sh_eth.c revision 80d5c3689b886308247da295a228a54df49a44f6
186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* 286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * SuperH Ethernet device driver 386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * 4f0e81fecd4f83de7854262c8a6b3af19dfa99bf9Nobuhiro Iwamatsu * Copyright (C) 2006-2012 Nobuhiro Iwamatsu 5a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov * Copyright (C) 2008-2013 Renesas Solutions Corp. 6a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov * Copyright (C) 2013 Cogent Embedded, Inc. 786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * 886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * This program is free software; you can redistribute it and/or modify it 986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * under the terms and conditions of the GNU General Public License, 1086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * version 2, as published by the Free Software Foundation. 1186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * 1286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * This program is distributed in the hope it will be useful, but WITHOUT 1386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 1486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 1586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * more details. 1686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * You should have received a copy of the GNU General Public License along with 1786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * this program; if not, write to the Free Software Foundation, Inc., 1886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. 1986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * 2086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * The full GNU General Public License is included in this distribution in 2186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * the file called "COPYING". 2286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu */ 2386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 2486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu#include <linux/init.h> 250654011d900670884197d9a06ad17b378dfde831Yoshihiro Shimoda#include <linux/module.h> 260654011d900670884197d9a06ad17b378dfde831Yoshihiro Shimoda#include <linux/kernel.h> 270654011d900670884197d9a06ad17b378dfde831Yoshihiro Shimoda#include <linux/spinlock.h> 286a27cdeddf48858089e3672f844615cbf0877ebfNobuhiro Iwamatsu#include <linux/interrupt.h> 2986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu#include <linux/dma-mapping.h> 3086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu#include <linux/etherdevice.h> 3186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu#include <linux/delay.h> 3286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu#include <linux/platform_device.h> 3386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu#include <linux/mdio-bitbang.h> 3486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu#include <linux/netdevice.h> 3586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu#include <linux/phy.h> 3686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu#include <linux/cache.h> 3786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu#include <linux/io.h> 38bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm#include <linux/pm_runtime.h> 395a0e3ad6af8660be21ca98a971cd00f331318c05Tejun Heo#include <linux/slab.h> 40dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu#include <linux/ethtool.h> 41fdb37a7f84a58ccad24abffd54ad46d23b763e13Yoshihiro Shimoda#include <linux/if_vlan.h> 42f0e81fecd4f83de7854262c8a6b3af19dfa99bf9Nobuhiro Iwamatsu#include <linux/clk.h> 43d4fa0e35fdbd54acf791fa3793d6d17f7795f7aeYoshihiro Shimoda#include <linux/sh_eth.h> 4486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 4586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu#include "sh_eth.h" 4686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 47dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu#define SH_ETH_DEF_MSG_ENABLE \ 48dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu (NETIF_MSG_LINK | \ 49dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu NETIF_MSG_TIMER | \ 50dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu NETIF_MSG_RX_ERR| \ 51dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu NETIF_MSG_TX_ERR) 52dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 53c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyovstatic const u16 sh_eth_offset_gigabit[SH_ETH_MAX_REGISTER_OFFSET] = { 54c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [EDSR] = 0x0000, 55c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [EDMR] = 0x0400, 56c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [EDTRR] = 0x0408, 57c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [EDRRR] = 0x0410, 58c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [EESR] = 0x0428, 59c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [EESIPR] = 0x0430, 60c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TDLAR] = 0x0010, 61c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TDFAR] = 0x0014, 62c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TDFXR] = 0x0018, 63c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TDFFR] = 0x001c, 64c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [RDLAR] = 0x0030, 65c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [RDFAR] = 0x0034, 66c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [RDFXR] = 0x0038, 67c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [RDFFR] = 0x003c, 68c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TRSCER] = 0x0438, 69c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [RMFCR] = 0x0440, 70c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TFTR] = 0x0448, 71c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [FDR] = 0x0450, 72c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [RMCR] = 0x0458, 73c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [RPADIR] = 0x0460, 74c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [FCFTR] = 0x0468, 75c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [CSMR] = 0x04E4, 76c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov 77c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [ECMR] = 0x0500, 78c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [ECSR] = 0x0510, 79c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [ECSIPR] = 0x0518, 80c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [PIR] = 0x0520, 81c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [PSR] = 0x0528, 82c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [PIPR] = 0x052c, 83c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [RFLR] = 0x0508, 84c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [APR] = 0x0554, 85c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [MPR] = 0x0558, 86c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [PFTCR] = 0x055c, 87c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [PFRCR] = 0x0560, 88c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TPAUSER] = 0x0564, 89c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [GECMR] = 0x05b0, 90c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [BCULR] = 0x05b4, 91c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [MAHR] = 0x05c0, 92c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [MALR] = 0x05c8, 93c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TROCR] = 0x0700, 94c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [CDCR] = 0x0708, 95c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [LCCR] = 0x0710, 96c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [CEFCR] = 0x0740, 97c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [FRECR] = 0x0748, 98c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TSFRCR] = 0x0750, 99c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TLFRCR] = 0x0758, 100c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [RFCR] = 0x0760, 101c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [CERCR] = 0x0768, 102c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [CEECR] = 0x0770, 103c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [MAFCR] = 0x0778, 104c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [RMII_MII] = 0x0790, 105c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov 106c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [ARSTR] = 0x0000, 107c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TSU_CTRST] = 0x0004, 108c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TSU_FWEN0] = 0x0010, 109c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TSU_FWEN1] = 0x0014, 110c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TSU_FCM] = 0x0018, 111c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TSU_BSYSL0] = 0x0020, 112c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TSU_BSYSL1] = 0x0024, 113c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TSU_PRISL0] = 0x0028, 114c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TSU_PRISL1] = 0x002c, 115c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TSU_FWSL0] = 0x0030, 116c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TSU_FWSL1] = 0x0034, 117c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TSU_FWSLC] = 0x0038, 118c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TSU_QTAG0] = 0x0040, 119c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TSU_QTAG1] = 0x0044, 120c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TSU_FWSR] = 0x0050, 121c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TSU_FWINMK] = 0x0054, 122c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TSU_ADQT0] = 0x0048, 123c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TSU_ADQT1] = 0x004c, 124c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TSU_VTAG0] = 0x0058, 125c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TSU_VTAG1] = 0x005c, 126c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TSU_ADSBSY] = 0x0060, 127c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TSU_TEN] = 0x0064, 128c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TSU_POST1] = 0x0070, 129c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TSU_POST2] = 0x0074, 130c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TSU_POST3] = 0x0078, 131c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TSU_POST4] = 0x007c, 132c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TSU_ADRH0] = 0x0100, 133c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TSU_ADRL0] = 0x0104, 134c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TSU_ADRH31] = 0x01f8, 135c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TSU_ADRL31] = 0x01fc, 136c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov 137c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TXNLCR0] = 0x0080, 138c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TXALCR0] = 0x0084, 139c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [RXNLCR0] = 0x0088, 140c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [RXALCR0] = 0x008c, 141c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [FWNLCR0] = 0x0090, 142c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [FWALCR0] = 0x0094, 143c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TXNLCR1] = 0x00a0, 144c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TXALCR1] = 0x00a0, 145c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [RXNLCR1] = 0x00a8, 146c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [RXALCR1] = 0x00ac, 147c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [FWNLCR1] = 0x00b0, 148c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [FWALCR1] = 0x00b4, 149c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov}; 150c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov 151a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyovstatic const u16 sh_eth_offset_fast_rcar[SH_ETH_MAX_REGISTER_OFFSET] = { 152a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov [ECMR] = 0x0300, 153a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov [RFLR] = 0x0308, 154a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov [ECSR] = 0x0310, 155a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov [ECSIPR] = 0x0318, 156a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov [PIR] = 0x0320, 157a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov [PSR] = 0x0328, 158a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov [RDMLR] = 0x0340, 159a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov [IPGR] = 0x0350, 160a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov [APR] = 0x0354, 161a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov [MPR] = 0x0358, 162a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov [RFCF] = 0x0360, 163a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov [TPAUSER] = 0x0364, 164a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov [TPAUSECR] = 0x0368, 165a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov [MAHR] = 0x03c0, 166a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov [MALR] = 0x03c8, 167a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov [TROCR] = 0x03d0, 168a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov [CDCR] = 0x03d4, 169a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov [LCCR] = 0x03d8, 170a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov [CNDCR] = 0x03dc, 171a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov [CEFCR] = 0x03e4, 172a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov [FRECR] = 0x03e8, 173a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov [TSFRCR] = 0x03ec, 174a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov [TLFRCR] = 0x03f0, 175a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov [RFCR] = 0x03f4, 176a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov [MAFCR] = 0x03f8, 177a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov 178a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov [EDMR] = 0x0200, 179a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov [EDTRR] = 0x0208, 180a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov [EDRRR] = 0x0210, 181a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov [TDLAR] = 0x0218, 182a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov [RDLAR] = 0x0220, 183a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov [EESR] = 0x0228, 184a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov [EESIPR] = 0x0230, 185a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov [TRSCER] = 0x0238, 186a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov [RMFCR] = 0x0240, 187a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov [TFTR] = 0x0248, 188a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov [FDR] = 0x0250, 189a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov [RMCR] = 0x0258, 190a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov [TFUCR] = 0x0264, 191a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov [RFOCR] = 0x0268, 192a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov [FCFTR] = 0x0270, 193a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov [TRIMD] = 0x027c, 194a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov}; 195a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov 196c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyovstatic const u16 sh_eth_offset_fast_sh4[SH_ETH_MAX_REGISTER_OFFSET] = { 197c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [ECMR] = 0x0100, 198c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [RFLR] = 0x0108, 199c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [ECSR] = 0x0110, 200c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [ECSIPR] = 0x0118, 201c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [PIR] = 0x0120, 202c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [PSR] = 0x0128, 203c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [RDMLR] = 0x0140, 204c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [IPGR] = 0x0150, 205c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [APR] = 0x0154, 206c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [MPR] = 0x0158, 207c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TPAUSER] = 0x0164, 208c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [RFCF] = 0x0160, 209c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TPAUSECR] = 0x0168, 210c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [BCFRR] = 0x016c, 211c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [MAHR] = 0x01c0, 212c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [MALR] = 0x01c8, 213c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TROCR] = 0x01d0, 214c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [CDCR] = 0x01d4, 215c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [LCCR] = 0x01d8, 216c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [CNDCR] = 0x01dc, 217c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [CEFCR] = 0x01e4, 218c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [FRECR] = 0x01e8, 219c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TSFRCR] = 0x01ec, 220c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TLFRCR] = 0x01f0, 221c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [RFCR] = 0x01f4, 222c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [MAFCR] = 0x01f8, 223c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [RTRATE] = 0x01fc, 224c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov 225c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [EDMR] = 0x0000, 226c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [EDTRR] = 0x0008, 227c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [EDRRR] = 0x0010, 228c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TDLAR] = 0x0018, 229c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [RDLAR] = 0x0020, 230c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [EESR] = 0x0028, 231c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [EESIPR] = 0x0030, 232c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TRSCER] = 0x0038, 233c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [RMFCR] = 0x0040, 234c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TFTR] = 0x0048, 235c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [FDR] = 0x0050, 236c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [RMCR] = 0x0058, 237c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TFUCR] = 0x0064, 238c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [RFOCR] = 0x0068, 239c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [FCFTR] = 0x0070, 240c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [RPADIR] = 0x0078, 241c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TRIMD] = 0x007c, 242c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [RBWAR] = 0x00c8, 243c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [RDFAR] = 0x00cc, 244c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TBRAR] = 0x00d4, 245c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TDFAR] = 0x00d8, 246c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov}; 247c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov 248c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyovstatic const u16 sh_eth_offset_fast_sh3_sh2[SH_ETH_MAX_REGISTER_OFFSET] = { 249c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [ECMR] = 0x0160, 250c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [ECSR] = 0x0164, 251c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [ECSIPR] = 0x0168, 252c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [PIR] = 0x016c, 253c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [MAHR] = 0x0170, 254c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [MALR] = 0x0174, 255c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [RFLR] = 0x0178, 256c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [PSR] = 0x017c, 257c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TROCR] = 0x0180, 258c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [CDCR] = 0x0184, 259c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [LCCR] = 0x0188, 260c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [CNDCR] = 0x018c, 261c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [CEFCR] = 0x0194, 262c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [FRECR] = 0x0198, 263c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TSFRCR] = 0x019c, 264c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TLFRCR] = 0x01a0, 265c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [RFCR] = 0x01a4, 266c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [MAFCR] = 0x01a8, 267c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [IPGR] = 0x01b4, 268c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [APR] = 0x01b8, 269c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [MPR] = 0x01bc, 270c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TPAUSER] = 0x01c4, 271c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [BCFR] = 0x01cc, 272c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov 273c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [ARSTR] = 0x0000, 274c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TSU_CTRST] = 0x0004, 275c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TSU_FWEN0] = 0x0010, 276c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TSU_FWEN1] = 0x0014, 277c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TSU_FCM] = 0x0018, 278c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TSU_BSYSL0] = 0x0020, 279c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TSU_BSYSL1] = 0x0024, 280c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TSU_PRISL0] = 0x0028, 281c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TSU_PRISL1] = 0x002c, 282c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TSU_FWSL0] = 0x0030, 283c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TSU_FWSL1] = 0x0034, 284c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TSU_FWSLC] = 0x0038, 285c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TSU_QTAGM0] = 0x0040, 286c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TSU_QTAGM1] = 0x0044, 287c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TSU_ADQT0] = 0x0048, 288c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TSU_ADQT1] = 0x004c, 289c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TSU_FWSR] = 0x0050, 290c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TSU_FWINMK] = 0x0054, 291c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TSU_ADSBSY] = 0x0060, 292c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TSU_TEN] = 0x0064, 293c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TSU_POST1] = 0x0070, 294c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TSU_POST2] = 0x0074, 295c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TSU_POST3] = 0x0078, 296c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TSU_POST4] = 0x007c, 297c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov 298c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TXNLCR0] = 0x0080, 299c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TXALCR0] = 0x0084, 300c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [RXNLCR0] = 0x0088, 301c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [RXALCR0] = 0x008c, 302c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [FWNLCR0] = 0x0090, 303c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [FWALCR0] = 0x0094, 304c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TXNLCR1] = 0x00a0, 305c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TXALCR1] = 0x00a0, 306c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [RXNLCR1] = 0x00a8, 307c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [RXALCR1] = 0x00ac, 308c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [FWNLCR1] = 0x00b0, 309c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [FWALCR1] = 0x00b4, 310c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov 311c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TSU_ADRH0] = 0x0100, 312c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TSU_ADRL0] = 0x0104, 313c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov [TSU_ADRL31] = 0x01fc, 314c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov}; 315c0013f6f8bbcb7605d591431444780d636dbe223Sergei Shtylyov 3165e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu#if defined(CONFIG_CPU_SUBTYPE_SH7734) || \ 3175e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu defined(CONFIG_CPU_SUBTYPE_SH7763) || \ 3185e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu defined(CONFIG_ARCH_R8A7740) 3195e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsustatic void sh_eth_select_mii(struct net_device *ndev) 3205e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu{ 3215e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu u32 value = 0x0; 3225e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 3235e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu 3245e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu switch (mdp->phy_interface) { 3255e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu case PHY_INTERFACE_MODE_GMII: 3265e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu value = 0x2; 3275e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu break; 3285e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu case PHY_INTERFACE_MODE_MII: 3295e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu value = 0x1; 3305e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu break; 3315e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu case PHY_INTERFACE_MODE_RMII: 3325e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu value = 0x0; 3335e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu break; 3345e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu default: 3355e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu pr_warn("PHY interface mode was not setup. Set to MII.\n"); 3365e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu value = 0x1; 3375e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu break; 3385e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu } 3395e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu 3405e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu sh_eth_write(ndev, value, RMII_MII); 3415e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu} 3425e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu#endif 3435e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu 344380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda/* There is CPU dependent code */ 345a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov#if defined(CONFIG_ARCH_R8A7779) 34665ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda#define SH_ETH_RESET_DEFAULT 1 34765ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimodastatic void sh_eth_set_duplex(struct net_device *ndev) 34865ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda{ 34965ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 35065ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda 35165ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda if (mdp->duplex) /* Full */ 3524a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, ECMR) | ECMR_DM, ECMR); 35365ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda else /* Half */ 3544a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, ECMR) & ~ECMR_DM, ECMR); 35565ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda} 35665ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda 35765ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimodastatic void sh_eth_set_rate(struct net_device *ndev) 35865ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda{ 35965ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 360d0418bb7123f44b23d69ac349eec7daf9103472fPhil Edworthy 361a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov switch (mdp->speed) { 362a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov case 10: /* 10BASE */ 363a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov sh_eth_write(ndev, sh_eth_read(ndev, ECMR) & ~ECMR_ELB, ECMR); 364a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov break; 365a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov case 100:/* 100BASE */ 366a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov sh_eth_write(ndev, sh_eth_read(ndev, ECMR) | ECMR_ELB, ECMR); 367a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov break; 368a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov default: 369a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov break; 370a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov } 371a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov} 372a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov 373a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov/* R8A7779 */ 374a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyovstatic struct sh_eth_cpu_data sh_eth_my_cpu_data = { 375a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov .set_duplex = sh_eth_set_duplex, 376a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov .set_rate = sh_eth_set_rate, 377a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov 378a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov .ecsr_value = ECSR_PSRTO | ECSR_LCHNG | ECSR_ICD, 379a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov .ecsipr_value = ECSIPR_PSRTOIP | ECSIPR_LCHNGIP | ECSIPR_ICDIP, 380a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov .eesipr_value = 0x01ff009f, 381a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov 382a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov .tx_check = EESR_FTC | EESR_CND | EESR_DLC | EESR_CD | EESR_RTO, 383a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov .eesr_err_check = EESR_TWB | EESR_TABT | EESR_RABT | EESR_RDE | 384a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov EESR_RFRMER | EESR_TFE | EESR_TDE | EESR_ECI, 385a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov .tx_error_check = EESR_TWB | EESR_TABT | EESR_TDE | EESR_TFE, 386a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov 387a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov .apr = 1, 388a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov .mpr = 1, 389a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov .tpauser = 1, 390a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov .hw_swap = 1, 391a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov}; 392a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov#elif defined(CONFIG_CPU_SUBTYPE_SH7724) 393a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov#define SH_ETH_RESET_DEFAULT 1 394a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyovstatic void sh_eth_set_duplex(struct net_device *ndev) 395a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov{ 396a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov struct sh_eth_private *mdp = netdev_priv(ndev); 397a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov 398a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov if (mdp->duplex) /* Full */ 399a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov sh_eth_write(ndev, sh_eth_read(ndev, ECMR) | ECMR_DM, ECMR); 400a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov else /* Half */ 401a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov sh_eth_write(ndev, sh_eth_read(ndev, ECMR) & ~ECMR_DM, ECMR); 402a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov} 403a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov 404a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyovstatic void sh_eth_set_rate(struct net_device *ndev) 405a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov{ 406a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov struct sh_eth_private *mdp = netdev_priv(ndev); 40765ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda 40865ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda switch (mdp->speed) { 40965ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda case 10: /* 10BASE */ 410a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov sh_eth_write(ndev, sh_eth_read(ndev, ECMR) & ~ECMR_RTM, ECMR); 41165ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda break; 41265ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda case 100:/* 100BASE */ 413a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov sh_eth_write(ndev, sh_eth_read(ndev, ECMR) | ECMR_RTM, ECMR); 41465ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda break; 41565ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda default: 41665ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda break; 41765ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda } 41865ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda} 41965ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda 42065ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda/* SH7724 */ 42165ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimodastatic struct sh_eth_cpu_data sh_eth_my_cpu_data = { 42265ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda .set_duplex = sh_eth_set_duplex, 42365ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda .set_rate = sh_eth_set_rate, 42465ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda 42565ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda .ecsr_value = ECSR_PSRTO | ECSR_LCHNG | ECSR_ICD, 42665ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda .ecsipr_value = ECSIPR_PSRTOIP | ECSIPR_LCHNGIP | ECSIPR_ICDIP, 42765ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda .eesipr_value = DMAC_M_RFRMER | DMAC_M_ECI | 0x01ff009f, 42865ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda 42965ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda .tx_check = EESR_FTC | EESR_CND | EESR_DLC | EESR_CD | EESR_RTO, 43065ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda .eesr_err_check = EESR_TWB | EESR_TABT | EESR_RABT | EESR_RDE | 43165ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda EESR_RFRMER | EESR_TFE | EESR_TDE | EESR_ECI, 43265ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda .tx_error_check = EESR_TWB | EESR_TABT | EESR_TDE | EESR_TFE, 43365ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda 43465ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda .apr = 1, 43565ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda .mpr = 1, 43665ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda .tpauser = 1, 43765ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda .hw_swap = 1, 438503914cf4a4b5dbe3f844e0a92f412ae99fde70eMagnus Damm .rpadir = 1, 439503914cf4a4b5dbe3f844e0a92f412ae99fde70eMagnus Damm .rpadir_value = 0x00020000, /* NET_IP_ALIGN assumed to be 2 */ 44065ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda}; 441f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda#elif defined(CONFIG_CPU_SUBTYPE_SH7757) 4428fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda#define SH_ETH_HAS_BOTH_MODULES 1 4438fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda#define SH_ETH_HAS_TSU 1 4445cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsustatic int sh_eth_check_reset(struct net_device *ndev); 4455cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu 446f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimodastatic void sh_eth_set_duplex(struct net_device *ndev) 447f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda{ 448f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 449f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda 450f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda if (mdp->duplex) /* Full */ 4514a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, ECMR) | ECMR_DM, ECMR); 452f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda else /* Half */ 4534a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, ECMR) & ~ECMR_DM, ECMR); 454f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda} 455f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda 456f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimodastatic void sh_eth_set_rate(struct net_device *ndev) 457f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda{ 458f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 459f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda 460f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda switch (mdp->speed) { 461f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda case 10: /* 10BASE */ 4624a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 0, RTRATE); 463f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda break; 464f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda case 100:/* 100BASE */ 4654a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 1, RTRATE); 466f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda break; 467f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda default: 468f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda break; 469f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda } 470f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda} 471f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda 472f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda/* SH7757 */ 473f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimodastatic struct sh_eth_cpu_data sh_eth_my_cpu_data = { 474f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda .set_duplex = sh_eth_set_duplex, 475f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda .set_rate = sh_eth_set_rate, 476f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda 477f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda .eesipr_value = DMAC_M_RFRMER | DMAC_M_ECI | 0x003fffff, 478f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda .rmcr_value = 0x00000001, 479f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda 480f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda .tx_check = EESR_FTC | EESR_CND | EESR_DLC | EESR_CD | EESR_RTO, 481f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda .eesr_err_check = EESR_TWB | EESR_TABT | EESR_RABT | EESR_RDE | 482f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda EESR_RFRMER | EESR_TFE | EESR_TDE | EESR_ECI, 483f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda .tx_error_check = EESR_TWB | EESR_TABT | EESR_TDE | EESR_TFE, 484f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda 485f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda .apr = 1, 486f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda .mpr = 1, 487f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda .tpauser = 1, 488f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda .hw_swap = 1, 489f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda .no_ade = 1, 4902e98e7974de208de0dab9e9969bd47576d07ff10Yoshihiro Shimoda .rpadir = 1, 4912e98e7974de208de0dab9e9969bd47576d07ff10Yoshihiro Shimoda .rpadir_value = 2 << 16, 492f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda}; 49365ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda 4948fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda#define SH_GIGA_ETH_BASE 0xfee00000 4958fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda#define GIGA_MALR(port) (SH_GIGA_ETH_BASE + 0x800 * (port) + 0x05c8) 4968fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda#define GIGA_MAHR(port) (SH_GIGA_ETH_BASE + 0x800 * (port) + 0x05c0) 4978fcd496151b4354569283056076339239b86fabeYoshihiro Shimodastatic void sh_eth_chip_reset_giga(struct net_device *ndev) 4988fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda{ 4998fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda int i; 5008fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda unsigned long mahr[2], malr[2]; 5018fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda 5028fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda /* save MAHR and MALR */ 5038fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda for (i = 0; i < 2; i++) { 504ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda malr[i] = ioread32((void *)GIGA_MALR(i)); 505ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda mahr[i] = ioread32((void *)GIGA_MAHR(i)); 5068fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda } 5078fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda 5088fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda /* reset device */ 509ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda iowrite32(ARSTR_ARSTR, (void *)(SH_GIGA_ETH_BASE + 0x1800)); 5108fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda mdelay(1); 5118fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda 5128fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda /* restore MAHR and MALR */ 5138fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda for (i = 0; i < 2; i++) { 514ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda iowrite32(malr[i], (void *)GIGA_MALR(i)); 515ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda iowrite32(mahr[i], (void *)GIGA_MAHR(i)); 5168fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda } 5178fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda} 5188fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda 5198fcd496151b4354569283056076339239b86fabeYoshihiro Shimodastatic int sh_eth_is_gether(struct sh_eth_private *mdp); 5205cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsustatic int sh_eth_reset(struct net_device *ndev) 5218fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda{ 5228fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 5235cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu int ret = 0; 5248fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda 5258fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda if (sh_eth_is_gether(mdp)) { 5268fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda sh_eth_write(ndev, 0x03, EDSR); 5278fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, EDMR) | EDMR_SRST_GETHER, 5288fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda EDMR); 5295cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu 5305cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu ret = sh_eth_check_reset(ndev); 5315cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu if (ret) 5325cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu goto out; 5338fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda 5348fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda /* Table Init */ 5358fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda sh_eth_write(ndev, 0x0, TDLAR); 5368fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda sh_eth_write(ndev, 0x0, TDFAR); 5378fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda sh_eth_write(ndev, 0x0, TDFXR); 5388fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda sh_eth_write(ndev, 0x0, TDFFR); 5398fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda sh_eth_write(ndev, 0x0, RDLAR); 5408fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda sh_eth_write(ndev, 0x0, RDFAR); 5418fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda sh_eth_write(ndev, 0x0, RDFXR); 5428fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda sh_eth_write(ndev, 0x0, RDFFR); 5438fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda } else { 5448fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, EDMR) | EDMR_SRST_ETHER, 5458fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda EDMR); 5468fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda mdelay(3); 5478fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, EDMR) & ~EDMR_SRST_ETHER, 5488fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda EDMR); 5498fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda } 5505cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu 5515cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsuout: 5525cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu return ret; 5538fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda} 5548fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda 5558fcd496151b4354569283056076339239b86fabeYoshihiro Shimodastatic void sh_eth_set_duplex_giga(struct net_device *ndev) 5568fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda{ 5578fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 5588fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda 5598fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda if (mdp->duplex) /* Full */ 5608fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, ECMR) | ECMR_DM, ECMR); 5618fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda else /* Half */ 5628fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, ECMR) & ~ECMR_DM, ECMR); 5638fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda} 5648fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda 5658fcd496151b4354569283056076339239b86fabeYoshihiro Shimodastatic void sh_eth_set_rate_giga(struct net_device *ndev) 5668fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda{ 5678fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 5688fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda 5698fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda switch (mdp->speed) { 5708fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda case 10: /* 10BASE */ 5718fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda sh_eth_write(ndev, 0x00000000, GECMR); 5728fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda break; 5738fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda case 100:/* 100BASE */ 5748fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda sh_eth_write(ndev, 0x00000010, GECMR); 5758fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda break; 5768fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda case 1000: /* 1000BASE */ 5778fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda sh_eth_write(ndev, 0x00000020, GECMR); 5788fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda break; 5798fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda default: 5808fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda break; 5818fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda } 5828fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda} 5838fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda 5848fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda/* SH7757(GETHERC) */ 5858fcd496151b4354569283056076339239b86fabeYoshihiro Shimodastatic struct sh_eth_cpu_data sh_eth_my_cpu_data_giga = { 5868fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda .chip_reset = sh_eth_chip_reset_giga, 5878fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda .set_duplex = sh_eth_set_duplex_giga, 5888fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda .set_rate = sh_eth_set_rate_giga, 5898fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda 5908fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda .ecsr_value = ECSR_ICD | ECSR_MPD, 5918fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda .ecsipr_value = ECSIPR_LCHNGIP | ECSIPR_ICDIP | ECSIPR_MPDIP, 5928fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda .eesipr_value = DMAC_M_RFRMER | DMAC_M_ECI | 0x003fffff, 5938fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda 5948fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda .tx_check = EESR_TC1 | EESR_FTC, 5958fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda .eesr_err_check = EESR_TWB1 | EESR_TWB | EESR_TABT | EESR_RABT | \ 5968fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda EESR_RDE | EESR_RFRMER | EESR_TFE | EESR_TDE | \ 5978fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda EESR_ECI, 5988fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda .tx_error_check = EESR_TWB1 | EESR_TWB | EESR_TABT | EESR_TDE | \ 5998fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda EESR_TFE, 6008fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda .fdr_value = 0x0000072f, 6018fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda .rmcr_value = 0x00000001, 6028fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda 6038fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda .apr = 1, 6048fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda .mpr = 1, 6058fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda .tpauser = 1, 6068fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda .bculr = 1, 6078fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda .hw_swap = 1, 6088fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda .rpadir = 1, 6098fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda .rpadir_value = 2 << 16, 6108fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda .no_trimd = 1, 6118fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda .no_ade = 1, 6123acbc9715a5ac8a2534a69eb3488b63b7c9fb1e2Yoshihiro Shimoda .tsu = 1, 6138fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda}; 6148fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda 6158fcd496151b4354569283056076339239b86fabeYoshihiro Shimodastatic struct sh_eth_cpu_data *sh_eth_get_cpu_data(struct sh_eth_private *mdp) 6168fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda{ 6178fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda if (sh_eth_is_gether(mdp)) 6188fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda return &sh_eth_my_cpu_data_giga; 6198fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda else 6208fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda return &sh_eth_my_cpu_data; 6218fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda} 6228fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda 623f0e81fecd4f83de7854262c8a6b3af19dfa99bf9Nobuhiro Iwamatsu#elif defined(CONFIG_CPU_SUBTYPE_SH7734) || defined(CONFIG_CPU_SUBTYPE_SH7763) 624380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda#define SH_ETH_HAS_TSU 1 6255cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsustatic int sh_eth_check_reset(struct net_device *ndev); 626f0e81fecd4f83de7854262c8a6b3af19dfa99bf9Nobuhiro Iwamatsustatic void sh_eth_reset_hw_crc(struct net_device *ndev); 6275e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu 628380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimodastatic void sh_eth_chip_reset(struct net_device *ndev) 629380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda{ 6304986b996882d82c68ab54b822d7cfdd7dd35f19aYoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 6314986b996882d82c68ab54b822d7cfdd7dd35f19aYoshihiro Shimoda 632380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda /* reset device */ 6334986b996882d82c68ab54b822d7cfdd7dd35f19aYoshihiro Shimoda sh_eth_tsu_write(mdp, ARSTR_ARSTR, ARSTR); 634380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda mdelay(1); 635380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda} 636380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 637380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimodastatic void sh_eth_set_duplex(struct net_device *ndev) 638380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda{ 639380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 640380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 641380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (mdp->duplex) /* Full */ 6424a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, ECMR) | ECMR_DM, ECMR); 643380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda else /* Half */ 6444a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, ECMR) & ~ECMR_DM, ECMR); 645380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda} 646380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 647380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimodastatic void sh_eth_set_rate(struct net_device *ndev) 648380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda{ 649380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 650380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 651380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda switch (mdp->speed) { 652380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda case 10: /* 10BASE */ 6534a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, GECMR_10, GECMR); 654380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda break; 655380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda case 100:/* 100BASE */ 6564a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, GECMR_100, GECMR); 657380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda break; 658380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda case 1000: /* 1000BASE */ 6594a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, GECMR_1000, GECMR); 660380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda break; 661380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda default: 662380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda break; 663380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda } 664380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda} 665380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 666380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda/* sh7763 */ 667380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimodastatic struct sh_eth_cpu_data sh_eth_my_cpu_data = { 668380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .chip_reset = sh_eth_chip_reset, 669380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .set_duplex = sh_eth_set_duplex, 670380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .set_rate = sh_eth_set_rate, 671380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 672380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .ecsr_value = ECSR_ICD | ECSR_MPD, 673380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .ecsipr_value = ECSIPR_LCHNGIP | ECSIPR_ICDIP | ECSIPR_MPDIP, 674380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .eesipr_value = DMAC_M_RFRMER | DMAC_M_ECI | 0x003fffff, 675380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 676380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .tx_check = EESR_TC1 | EESR_FTC, 677380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .eesr_err_check = EESR_TWB1 | EESR_TWB | EESR_TABT | EESR_RABT | \ 678380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda EESR_RDE | EESR_RFRMER | EESR_TFE | EESR_TDE | \ 679380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda EESR_ECI, 680380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .tx_error_check = EESR_TWB1 | EESR_TWB | EESR_TABT | EESR_TDE | \ 681380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda EESR_TFE, 682380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 683380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .apr = 1, 684380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .mpr = 1, 685380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .tpauser = 1, 686380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .bculr = 1, 687380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .hw_swap = 1, 688380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .no_trimd = 1, 689380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .no_ade = 1, 6904986b996882d82c68ab54b822d7cfdd7dd35f19aYoshihiro Shimoda .tsu = 1, 691f0e81fecd4f83de7854262c8a6b3af19dfa99bf9Nobuhiro Iwamatsu#if defined(CONFIG_CPU_SUBTYPE_SH7734) 692f0e81fecd4f83de7854262c8a6b3af19dfa99bf9Nobuhiro Iwamatsu .hw_crc = 1, 6935e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu .select_mii = 1, 694f0e81fecd4f83de7854262c8a6b3af19dfa99bf9Nobuhiro Iwamatsu#endif 695380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda}; 696380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 6975cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsustatic int sh_eth_reset(struct net_device *ndev) 6985e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu{ 6995cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu int ret = 0; 7005e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu 7015e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu sh_eth_write(ndev, EDSR_ENALL, EDSR); 7025e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu sh_eth_write(ndev, sh_eth_read(ndev, EDMR) | EDMR_SRST_GETHER, EDMR); 7035cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu 7045cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu ret = sh_eth_check_reset(ndev); 7055cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu if (ret) 7065cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu goto out; 7075e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu 7085e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu /* Table Init */ 7095e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu sh_eth_write(ndev, 0x0, TDLAR); 7105e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu sh_eth_write(ndev, 0x0, TDFAR); 7115e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu sh_eth_write(ndev, 0x0, TDFXR); 7125e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu sh_eth_write(ndev, 0x0, TDFFR); 7135e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu sh_eth_write(ndev, 0x0, RDLAR); 7145e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu sh_eth_write(ndev, 0x0, RDFAR); 7155e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu sh_eth_write(ndev, 0x0, RDFXR); 7165e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu sh_eth_write(ndev, 0x0, RDFFR); 7175e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu 7185e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu /* Reset HW CRC register */ 7195e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu sh_eth_reset_hw_crc(ndev); 7205e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu 7215e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu /* Select MII mode */ 7225e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu if (sh_eth_my_cpu_data.select_mii) 7235e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu sh_eth_select_mii(ndev); 7245cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsuout: 7255cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu return ret; 7265e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu} 7275e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu 728f0e81fecd4f83de7854262c8a6b3af19dfa99bf9Nobuhiro Iwamatsustatic void sh_eth_reset_hw_crc(struct net_device *ndev) 729f0e81fecd4f83de7854262c8a6b3af19dfa99bf9Nobuhiro Iwamatsu{ 730f0e81fecd4f83de7854262c8a6b3af19dfa99bf9Nobuhiro Iwamatsu if (sh_eth_my_cpu_data.hw_crc) 731f0e81fecd4f83de7854262c8a6b3af19dfa99bf9Nobuhiro Iwamatsu sh_eth_write(ndev, 0x0, CSMR); 732f0e81fecd4f83de7854262c8a6b3af19dfa99bf9Nobuhiro Iwamatsu} 733f0e81fecd4f83de7854262c8a6b3af19dfa99bf9Nobuhiro Iwamatsu 73473a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda#elif defined(CONFIG_ARCH_R8A7740) 73573a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda#define SH_ETH_HAS_TSU 1 7365cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsustatic int sh_eth_check_reset(struct net_device *ndev); 7375cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu 73873a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimodastatic void sh_eth_chip_reset(struct net_device *ndev) 73973a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda{ 74073a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 74173a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda 74273a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda /* reset device */ 74373a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda sh_eth_tsu_write(mdp, ARSTR_ARSTR, ARSTR); 74473a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda mdelay(1); 74573a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda 7465e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu sh_eth_select_mii(ndev); 74773a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda} 74873a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda 7495cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsustatic int sh_eth_reset(struct net_device *ndev) 75073a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda{ 7515cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu int ret = 0; 75273a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda 75373a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda sh_eth_write(ndev, EDSR_ENALL, EDSR); 75473a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, EDMR) | EDMR_SRST_GETHER, EDMR); 7555cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu 7565cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu ret = sh_eth_check_reset(ndev); 7575cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu if (ret) 7585cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu goto out; 75973a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda 76073a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda /* Table Init */ 76173a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda sh_eth_write(ndev, 0x0, TDLAR); 76273a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda sh_eth_write(ndev, 0x0, TDFAR); 76373a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda sh_eth_write(ndev, 0x0, TDFXR); 76473a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda sh_eth_write(ndev, 0x0, TDFFR); 76573a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda sh_eth_write(ndev, 0x0, RDLAR); 76673a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda sh_eth_write(ndev, 0x0, RDFAR); 76773a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda sh_eth_write(ndev, 0x0, RDFXR); 76873a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda sh_eth_write(ndev, 0x0, RDFFR); 7695cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu 7705cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsuout: 7715cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu return ret; 77273a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda} 77373a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda 77473a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimodastatic void sh_eth_set_duplex(struct net_device *ndev) 77573a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda{ 77673a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 77773a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda 77873a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda if (mdp->duplex) /* Full */ 77973a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, ECMR) | ECMR_DM, ECMR); 78073a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda else /* Half */ 78173a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, ECMR) & ~ECMR_DM, ECMR); 78273a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda} 78373a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda 78473a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimodastatic void sh_eth_set_rate(struct net_device *ndev) 78573a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda{ 78673a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 78773a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda 78873a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda switch (mdp->speed) { 78973a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda case 10: /* 10BASE */ 79073a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda sh_eth_write(ndev, GECMR_10, GECMR); 79173a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda break; 79273a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda case 100:/* 100BASE */ 79373a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda sh_eth_write(ndev, GECMR_100, GECMR); 79473a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda break; 79573a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda case 1000: /* 1000BASE */ 79673a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda sh_eth_write(ndev, GECMR_1000, GECMR); 79773a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda break; 79873a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda default: 79973a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda break; 80073a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda } 80173a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda} 80273a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda 80373a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda/* R8A7740 */ 80473a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimodastatic struct sh_eth_cpu_data sh_eth_my_cpu_data = { 80573a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda .chip_reset = sh_eth_chip_reset, 80673a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda .set_duplex = sh_eth_set_duplex, 80773a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda .set_rate = sh_eth_set_rate, 80873a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda 80973a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda .ecsr_value = ECSR_ICD | ECSR_MPD, 81073a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda .ecsipr_value = ECSIPR_LCHNGIP | ECSIPR_ICDIP | ECSIPR_MPDIP, 81173a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda .eesipr_value = DMAC_M_RFRMER | DMAC_M_ECI | 0x003fffff, 81273a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda 81373a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda .tx_check = EESR_TC1 | EESR_FTC, 81473a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda .eesr_err_check = EESR_TWB1 | EESR_TWB | EESR_TABT | EESR_RABT | \ 81573a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda EESR_RDE | EESR_RFRMER | EESR_TFE | EESR_TDE | \ 81673a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda EESR_ECI, 81773a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda .tx_error_check = EESR_TWB1 | EESR_TWB | EESR_TABT | EESR_TDE | \ 81873a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda EESR_TFE, 81973a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda 82073a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda .apr = 1, 82173a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda .mpr = 1, 82273a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda .tpauser = 1, 82373a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda .bculr = 1, 82473a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda .hw_swap = 1, 82573a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda .no_trimd = 1, 82673a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda .no_ade = 1, 82773a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda .tsu = 1, 8285e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu .select_mii = 1, 82973a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda}; 83073a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda 831380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda#elif defined(CONFIG_CPU_SUBTYPE_SH7619) 832380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda#define SH_ETH_RESET_DEFAULT 1 833380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimodastatic struct sh_eth_cpu_data sh_eth_my_cpu_data = { 834380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .eesipr_value = DMAC_M_RFRMER | DMAC_M_ECI | 0x003fffff, 835380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 836380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .apr = 1, 837380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .mpr = 1, 838380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .tpauser = 1, 839380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .hw_swap = 1, 840380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda}; 841380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda#elif defined(CONFIG_CPU_SUBTYPE_SH7710) || defined(CONFIG_CPU_SUBTYPE_SH7712) 842380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda#define SH_ETH_RESET_DEFAULT 1 843380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda#define SH_ETH_HAS_TSU 1 844380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimodastatic struct sh_eth_cpu_data sh_eth_my_cpu_data = { 845380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .eesipr_value = DMAC_M_RFRMER | DMAC_M_ECI | 0x003fffff, 8464986b996882d82c68ab54b822d7cfdd7dd35f19aYoshihiro Shimoda .tsu = 1, 847380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda}; 848380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda#endif 849380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 850380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimodastatic void sh_eth_set_default_cpu_data(struct sh_eth_cpu_data *cd) 851380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda{ 852380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (!cd->ecsr_value) 853380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda cd->ecsr_value = DEFAULT_ECSR_INIT; 854380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 855380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (!cd->ecsipr_value) 856380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda cd->ecsipr_value = DEFAULT_ECSIPR_INIT; 857380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 858380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (!cd->fcftr_value) 859380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda cd->fcftr_value = DEFAULT_FIFO_F_D_RFF | \ 860380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda DEFAULT_FIFO_F_D_RFD; 861380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 862380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (!cd->fdr_value) 863380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda cd->fdr_value = DEFAULT_FDR_INIT; 864380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 865380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (!cd->rmcr_value) 866380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda cd->rmcr_value = DEFAULT_RMCR_VALUE; 867380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 868380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (!cd->tx_check) 869380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda cd->tx_check = DEFAULT_TX_CHECK; 870380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 871380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (!cd->eesr_err_check) 872380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda cd->eesr_err_check = DEFAULT_EESR_ERR_CHECK; 873380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 874380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (!cd->tx_error_check) 875380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda cd->tx_error_check = DEFAULT_TX_ERROR_CHECK; 876380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda} 877380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 878380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda#if defined(SH_ETH_RESET_DEFAULT) 879380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda/* Chip Reset */ 8805cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsustatic int sh_eth_reset(struct net_device *ndev) 881380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda{ 882c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, EDMR) | EDMR_SRST_ETHER, EDMR); 883380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda mdelay(3); 884c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, EDMR) & ~EDMR_SRST_ETHER, EDMR); 8855cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu 8865cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu return 0; 8875cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu} 8885cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu#else 8895cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsustatic int sh_eth_check_reset(struct net_device *ndev) 8905cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu{ 8915cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu int ret = 0; 8925cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu int cnt = 100; 8935cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu 8945cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu while (cnt > 0) { 8955cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu if (!(sh_eth_read(ndev, EDMR) & 0x3)) 8965cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu break; 8975cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu mdelay(1); 8985cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu cnt--; 8995cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu } 9005cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu if (cnt < 0) { 90114c3326a111b948cabc35d523a43a1e6663f6091Nobuhiro Iwamatsu pr_err("Device reset fail\n"); 9025cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu ret = -ETIMEDOUT; 9035cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu } 9045cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu return ret; 905380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda} 906380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda#endif 907380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 90873a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda#if defined(CONFIG_CPU_SH4) || defined(CONFIG_ARCH_SHMOBILE) 909380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimodastatic void sh_eth_set_receive_align(struct sk_buff *skb) 910380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda{ 911380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda int reserve; 912380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 913380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda reserve = SH4_SKB_RX_ALIGN - ((u32)skb->data & (SH4_SKB_RX_ALIGN - 1)); 914380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (reserve) 915380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda skb_reserve(skb, reserve); 916380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda} 917380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda#else 918380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimodastatic void sh_eth_set_receive_align(struct sk_buff *skb) 919380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda{ 920380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda skb_reserve(skb, SH2_SH3_SKB_RX_ALIGN); 921380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda} 922380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda#endif 923380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 924380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 92571557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato/* CPU <-> EDMAC endian convert */ 92671557a37adb5df17631c493b3b7d912938c720b2Yoshinori Satostatic inline __u32 cpu_to_edmac(struct sh_eth_private *mdp, u32 x) 92771557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato{ 92871557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato switch (mdp->edmac_endian) { 92971557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato case EDMAC_LITTLE_ENDIAN: 93071557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato return cpu_to_le32(x); 93171557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato case EDMAC_BIG_ENDIAN: 93271557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato return cpu_to_be32(x); 93371557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato } 93471557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato return x; 93571557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato} 93671557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato 93771557a37adb5df17631c493b3b7d912938c720b2Yoshinori Satostatic inline __u32 edmac_to_cpu(struct sh_eth_private *mdp, u32 x) 93871557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato{ 93971557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato switch (mdp->edmac_endian) { 94071557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato case EDMAC_LITTLE_ENDIAN: 94171557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato return le32_to_cpu(x); 94271557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato case EDMAC_BIG_ENDIAN: 94371557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato return be32_to_cpu(x); 94471557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato } 94571557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato return x; 94671557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato} 94771557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato 94886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* 94986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * Program the hardware MAC address from dev->dev_addr. 95086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu */ 95186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic void update_mac_address(struct net_device *ndev) 95286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 9534a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 9544a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda (ndev->dev_addr[0] << 24) | (ndev->dev_addr[1] << 16) | 9554a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda (ndev->dev_addr[2] << 8) | (ndev->dev_addr[3]), MAHR); 9564a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 9574a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda (ndev->dev_addr[4] << 8) | (ndev->dev_addr[5]), MALR); 95886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 95986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 96086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* 96186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * Get MAC address from SuperH MAC address register 96286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * 96386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * SuperH's Ethernet device doesn't have 'ROM' to MAC address. 96486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * This driver get MAC address that use by bootloader(U-boot or sh-ipl+g). 96586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * When you want use this device, you must set MAC address in bootloader. 96686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * 96786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu */ 968748031f9fd2c06b28817d80761a5de97190cfd03Magnus Dammstatic void read_mac_address(struct net_device *ndev, unsigned char *mac) 96986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 970748031f9fd2c06b28817d80761a5de97190cfd03Magnus Damm if (mac[0] || mac[1] || mac[2] || mac[3] || mac[4] || mac[5]) { 971748031f9fd2c06b28817d80761a5de97190cfd03Magnus Damm memcpy(ndev->dev_addr, mac, 6); 972748031f9fd2c06b28817d80761a5de97190cfd03Magnus Damm } else { 9734a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda ndev->dev_addr[0] = (sh_eth_read(ndev, MAHR) >> 24); 9744a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda ndev->dev_addr[1] = (sh_eth_read(ndev, MAHR) >> 16) & 0xFF; 9754a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda ndev->dev_addr[2] = (sh_eth_read(ndev, MAHR) >> 8) & 0xFF; 9764a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda ndev->dev_addr[3] = (sh_eth_read(ndev, MAHR) & 0xFF); 9774a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda ndev->dev_addr[4] = (sh_eth_read(ndev, MALR) >> 8) & 0xFF; 9784a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda ndev->dev_addr[5] = (sh_eth_read(ndev, MALR) & 0xFF); 979748031f9fd2c06b28817d80761a5de97190cfd03Magnus Damm } 98086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 98186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 982c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimodastatic int sh_eth_is_gether(struct sh_eth_private *mdp) 983c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda{ 984c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda if (mdp->reg_offset == sh_eth_offset_gigabit) 985c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda return 1; 986c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda else 987c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda return 0; 988c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda} 989c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda 990c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimodastatic unsigned long sh_eth_get_edtrr_trns(struct sh_eth_private *mdp) 991c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda{ 992c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda if (sh_eth_is_gether(mdp)) 993c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda return EDTRR_TRNS_GETHER; 994c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda else 995c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda return EDTRR_TRNS_ETHER; 996c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda} 997c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda 99886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustruct bb_info { 999ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda void (*set_gate)(void *addr); 100086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct mdiobb_ctrl ctrl; 1001ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda void *addr; 100286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu u32 mmd_msk;/* MMD */ 100386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu u32 mdo_msk; 100486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu u32 mdi_msk; 100586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu u32 mdc_msk; 100686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu}; 100786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 100886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* PHY bit set */ 1009ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimodastatic void bb_set(void *addr, u32 msk) 101086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 1011ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda iowrite32(ioread32(addr) | msk, addr); 101286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 101386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 101486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* PHY bit clear */ 1015ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimodastatic void bb_clr(void *addr, u32 msk) 101686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 1017ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda iowrite32((ioread32(addr) & ~msk), addr); 101886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 101986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 102086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* PHY bit read */ 1021ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimodastatic int bb_read(void *addr, u32 msk) 102286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 1023ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda return (ioread32(addr) & msk) != 0; 102486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 102586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 102686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* Data I/O pin control */ 102786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic void sh_mmd_ctrl(struct mdiobb_ctrl *ctrl, int bit) 102886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 102986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct bb_info *bitbang = container_of(ctrl, struct bb_info, ctrl); 1030b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda 1031b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda if (bitbang->set_gate) 1032b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda bitbang->set_gate(bitbang->addr); 1033b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda 103486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (bit) 103586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu bb_set(bitbang->addr, bitbang->mmd_msk); 103686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu else 103786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu bb_clr(bitbang->addr, bitbang->mmd_msk); 103886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 103986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 104086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* Set bit data*/ 104186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic void sh_set_mdio(struct mdiobb_ctrl *ctrl, int bit) 104286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 104386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct bb_info *bitbang = container_of(ctrl, struct bb_info, ctrl); 104486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1045b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda if (bitbang->set_gate) 1046b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda bitbang->set_gate(bitbang->addr); 1047b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda 104886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (bit) 104986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu bb_set(bitbang->addr, bitbang->mdo_msk); 105086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu else 105186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu bb_clr(bitbang->addr, bitbang->mdo_msk); 105286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 105386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 105486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* Get bit data*/ 105586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic int sh_get_mdio(struct mdiobb_ctrl *ctrl) 105686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 105786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct bb_info *bitbang = container_of(ctrl, struct bb_info, ctrl); 1058b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda 1059b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda if (bitbang->set_gate) 1060b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda bitbang->set_gate(bitbang->addr); 1061b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda 106286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return bb_read(bitbang->addr, bitbang->mdi_msk); 106386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 106486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 106586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* MDC pin control */ 106686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic void sh_mdc_ctrl(struct mdiobb_ctrl *ctrl, int bit) 106786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 106886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct bb_info *bitbang = container_of(ctrl, struct bb_info, ctrl); 106986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1070b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda if (bitbang->set_gate) 1071b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda bitbang->set_gate(bitbang->addr); 1072b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda 107386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (bit) 107486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu bb_set(bitbang->addr, bitbang->mdc_msk); 107586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu else 107686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu bb_clr(bitbang->addr, bitbang->mdc_msk); 107786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 107886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 107986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* mdio bus control struct */ 108086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic struct mdiobb_ops bb_ops = { 108186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu .owner = THIS_MODULE, 108286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu .set_mdc = sh_mdc_ctrl, 108386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu .set_mdio_dir = sh_mmd_ctrl, 108486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu .set_mdio_data = sh_set_mdio, 108586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu .get_mdio_data = sh_get_mdio, 108686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu}; 108786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 108886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* free skb and descriptor buffer */ 108986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic void sh_eth_ring_free(struct net_device *ndev) 109086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 109186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 109286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu int i; 109386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 109486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Free Rx skb ringbuffer */ 109586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (mdp->rx_skbuff) { 1096525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda for (i = 0; i < mdp->num_rx_ring; i++) { 109786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (mdp->rx_skbuff[i]) 109886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu dev_kfree_skb(mdp->rx_skbuff[i]); 109986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 110086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 110186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu kfree(mdp->rx_skbuff); 110291c77550000a7d888aaf9f9ac13e3e3485d18560Yoshihiro Shimoda mdp->rx_skbuff = NULL; 110386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 110486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Free Tx skb ringbuffer */ 110586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (mdp->tx_skbuff) { 1106525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda for (i = 0; i < mdp->num_tx_ring; i++) { 110786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (mdp->tx_skbuff[i]) 110886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu dev_kfree_skb(mdp->tx_skbuff[i]); 110986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 111086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 111186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu kfree(mdp->tx_skbuff); 111291c77550000a7d888aaf9f9ac13e3e3485d18560Yoshihiro Shimoda mdp->tx_skbuff = NULL; 111386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 111486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 111586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* format skb and descriptor buffer */ 111686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic void sh_eth_ring_format(struct net_device *ndev) 111786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 111886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 111986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu int i; 112086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sk_buff *skb; 112186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_rxdesc *rxdesc = NULL; 112286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_txdesc *txdesc = NULL; 1123525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda int rx_ringsize = sizeof(*rxdesc) * mdp->num_rx_ring; 1124525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda int tx_ringsize = sizeof(*txdesc) * mdp->num_tx_ring; 112586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 112686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->cur_rx = mdp->cur_tx = 0; 112786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->dirty_rx = mdp->dirty_tx = 0; 112886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 112986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu memset(mdp->rx_ring, 0, rx_ringsize); 113086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 113186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* build Rx ring buffer */ 1132525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda for (i = 0; i < mdp->num_rx_ring; i++) { 113386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* skb */ 113486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->rx_skbuff[i] = NULL; 1135dae2e9f430c46c29e3f771110094bd3da3625aa4Pradeep A. Dalvi skb = netdev_alloc_skb(ndev, mdp->rx_buf_sz); 113686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->rx_skbuff[i] = skb; 113786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (skb == NULL) 113886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu break; 1139bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet dma_map_single(&ndev->dev, skb->data, mdp->rx_buf_sz, 1140e88aae7bb1dc50457489d1d7c81dcf4db23ccf94Yoshihiro Shimoda DMA_FROM_DEVICE); 1141380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda sh_eth_set_receive_align(skb); 1142380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 114386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* RX descriptor */ 114486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu rxdesc = &mdp->rx_ring[i]; 11450029d64af5d72049e2170e4609fa83bd1f3f07cdYoshihiro Shimoda rxdesc->addr = virt_to_phys(PTR_ALIGN(skb->data, 4)); 114671557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato rxdesc->status = cpu_to_edmac(mdp, RD_RACT | RD_RFP); 114786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 114886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* The size of the buffer is 16 byte boundary. */ 11490029d64af5d72049e2170e4609fa83bd1f3f07cdYoshihiro Shimoda rxdesc->buffer_length = ALIGN(mdp->rx_buf_sz, 16); 1150b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu /* Rx descriptor address set */ 1151b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu if (i == 0) { 11524a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, mdp->rx_desc_dma, RDLAR); 1153c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda if (sh_eth_is_gether(mdp)) 1154c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda sh_eth_write(ndev, mdp->rx_desc_dma, RDFAR); 1155b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu } 115686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 115786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1158525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda mdp->dirty_rx = (u32) (i - mdp->num_rx_ring); 115986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 116086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Mark the last entry as wrapping the ring. */ 116171557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato rxdesc->status |= cpu_to_edmac(mdp, RD_RDEL); 116286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 116386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu memset(mdp->tx_ring, 0, tx_ringsize); 116486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 116586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* build Tx ring buffer */ 1166525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda for (i = 0; i < mdp->num_tx_ring; i++) { 116786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->tx_skbuff[i] = NULL; 116886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu txdesc = &mdp->tx_ring[i]; 116971557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato txdesc->status = cpu_to_edmac(mdp, TD_TFP); 117086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu txdesc->buffer_length = 0; 1171b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu if (i == 0) { 117271557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato /* Tx descriptor address set */ 11734a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, mdp->tx_desc_dma, TDLAR); 1174c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda if (sh_eth_is_gether(mdp)) 1175c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda sh_eth_write(ndev, mdp->tx_desc_dma, TDFAR); 1176b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu } 117786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 117886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 117971557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato txdesc->status |= cpu_to_edmac(mdp, TD_TDLE); 118086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 118186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 118286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* Get skb and descriptor buffer */ 118386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic int sh_eth_ring_init(struct net_device *ndev) 118486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 118586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 118686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu int rx_ringsize, tx_ringsize, ret = 0; 118786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 118886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* 118986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * +26 gets the maximum ethernet encapsulation, +7 & ~7 because the 119086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * card needs room to do 8 byte alignment, +2 so we can reserve 119186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * the first 2 bytes, and +16 gets room for the status word from the 119286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * card. 119386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu */ 119486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->rx_buf_sz = (ndev->mtu <= 1492 ? PKT_BUF_SZ : 119586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu (((ndev->mtu + 26 + 7) & ~7) + 2 + 16)); 1196503914cf4a4b5dbe3f844e0a92f412ae99fde70eMagnus Damm if (mdp->cd->rpadir) 1197503914cf4a4b5dbe3f844e0a92f412ae99fde70eMagnus Damm mdp->rx_buf_sz += NET_IP_ALIGN; 119886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 119986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Allocate RX and TX skb rings */ 1200b2adaca92c63b9bb8beb021d554f656e387a7648Joe Perches mdp->rx_skbuff = kmalloc_array(mdp->num_rx_ring, 1201b2adaca92c63b9bb8beb021d554f656e387a7648Joe Perches sizeof(*mdp->rx_skbuff), GFP_KERNEL); 120286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (!mdp->rx_skbuff) { 120386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ret = -ENOMEM; 120486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return ret; 120586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 120686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1207b2adaca92c63b9bb8beb021d554f656e387a7648Joe Perches mdp->tx_skbuff = kmalloc_array(mdp->num_tx_ring, 1208b2adaca92c63b9bb8beb021d554f656e387a7648Joe Perches sizeof(*mdp->tx_skbuff), GFP_KERNEL); 120986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (!mdp->tx_skbuff) { 121086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ret = -ENOMEM; 121186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu goto skb_ring_free; 121286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 121386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 121486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Allocate all Rx descriptors. */ 1215525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda rx_ringsize = sizeof(struct sh_eth_rxdesc) * mdp->num_rx_ring; 121686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->rx_ring = dma_alloc_coherent(NULL, rx_ringsize, &mdp->rx_desc_dma, 1217d0320f750093d012d3ed69fc1e8b385f654523d5Joe Perches GFP_KERNEL); 121886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (!mdp->rx_ring) { 121986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ret = -ENOMEM; 122086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu goto desc_ring_free; 122186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 122286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 122386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->dirty_rx = 0; 122486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 122586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Allocate all Tx descriptors. */ 1226525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda tx_ringsize = sizeof(struct sh_eth_txdesc) * mdp->num_tx_ring; 122786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->tx_ring = dma_alloc_coherent(NULL, tx_ringsize, &mdp->tx_desc_dma, 1228d0320f750093d012d3ed69fc1e8b385f654523d5Joe Perches GFP_KERNEL); 122986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (!mdp->tx_ring) { 123086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ret = -ENOMEM; 123186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu goto desc_ring_free; 123286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 123386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return ret; 123486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 123586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsudesc_ring_free: 123686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* free DMA buffer */ 123786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu dma_free_coherent(NULL, rx_ringsize, mdp->rx_ring, mdp->rx_desc_dma); 123886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 123986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsuskb_ring_free: 124086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Free Rx and Tx skb ring buffer */ 124186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu sh_eth_ring_free(ndev); 124291c77550000a7d888aaf9f9ac13e3e3485d18560Yoshihiro Shimoda mdp->tx_ring = NULL; 124391c77550000a7d888aaf9f9ac13e3e3485d18560Yoshihiro Shimoda mdp->rx_ring = NULL; 124486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 124586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return ret; 124686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 124786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 124891c77550000a7d888aaf9f9ac13e3e3485d18560Yoshihiro Shimodastatic void sh_eth_free_dma_buffer(struct sh_eth_private *mdp) 124991c77550000a7d888aaf9f9ac13e3e3485d18560Yoshihiro Shimoda{ 125091c77550000a7d888aaf9f9ac13e3e3485d18560Yoshihiro Shimoda int ringsize; 125191c77550000a7d888aaf9f9ac13e3e3485d18560Yoshihiro Shimoda 125291c77550000a7d888aaf9f9ac13e3e3485d18560Yoshihiro Shimoda if (mdp->rx_ring) { 1253525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda ringsize = sizeof(struct sh_eth_rxdesc) * mdp->num_rx_ring; 125491c77550000a7d888aaf9f9ac13e3e3485d18560Yoshihiro Shimoda dma_free_coherent(NULL, ringsize, mdp->rx_ring, 125591c77550000a7d888aaf9f9ac13e3e3485d18560Yoshihiro Shimoda mdp->rx_desc_dma); 125691c77550000a7d888aaf9f9ac13e3e3485d18560Yoshihiro Shimoda mdp->rx_ring = NULL; 125791c77550000a7d888aaf9f9ac13e3e3485d18560Yoshihiro Shimoda } 125891c77550000a7d888aaf9f9ac13e3e3485d18560Yoshihiro Shimoda 125991c77550000a7d888aaf9f9ac13e3e3485d18560Yoshihiro Shimoda if (mdp->tx_ring) { 1260525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda ringsize = sizeof(struct sh_eth_txdesc) * mdp->num_tx_ring; 126191c77550000a7d888aaf9f9ac13e3e3485d18560Yoshihiro Shimoda dma_free_coherent(NULL, ringsize, mdp->tx_ring, 126291c77550000a7d888aaf9f9ac13e3e3485d18560Yoshihiro Shimoda mdp->tx_desc_dma); 126391c77550000a7d888aaf9f9ac13e3e3485d18560Yoshihiro Shimoda mdp->tx_ring = NULL; 126491c77550000a7d888aaf9f9ac13e3e3485d18560Yoshihiro Shimoda } 126591c77550000a7d888aaf9f9ac13e3e3485d18560Yoshihiro Shimoda} 126691c77550000a7d888aaf9f9ac13e3e3485d18560Yoshihiro Shimoda 1267525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimodastatic int sh_eth_dev_init(struct net_device *ndev, bool start) 126886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 126986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu int ret = 0; 127086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 127186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu u32 val; 127286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 127386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Soft Reset */ 12745cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu ret = sh_eth_reset(ndev); 12755cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu if (ret) 12765cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu goto out; 127786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1278b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu /* Descriptor format */ 1279b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu sh_eth_ring_format(ndev); 1280380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (mdp->cd->rpadir) 12814a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, mdp->cd->rpadir_value, RPADIR); 128286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 128386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* all sh_eth int mask */ 12844a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 0, EESIPR); 128586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 128610b9194f959608368ed89df1937f17cfe6bd6d84Yoshihiro Shimoda#if defined(__LITTLE_ENDIAN) 1287380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (mdp->cd->hw_swap) 12884a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, EDMR_EL, EDMR); 1289380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda else 1290b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu#endif 12914a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 0, EDMR); 129286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1293b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu /* FIFO size set */ 12944a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, mdp->cd->fdr_value, FDR); 12954a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 0, TFTR); 129686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1297b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu /* Frame recv control */ 12984a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, mdp->cd->rmcr_value, RMCR); 129986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 13002ecbb783c3bf5a63f555c39deef308dcc1902b7fYoshihiro Shimoda sh_eth_write(ndev, DESC_I_RINT8 | DESC_I_RINT5 | DESC_I_TINT2, TRSCER); 130186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1302380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (mdp->cd->bculr) 13034a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 0x800, BCULR); /* Burst sycle set */ 1304b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu 13054a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, mdp->cd->fcftr_value, FCFTR); 130686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1307380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (!mdp->cd->no_trimd) 13084a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 0, TRIMD); 130986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1310b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu /* Recv frame limit set register */ 1311fdb37a7f84a58ccad24abffd54ad46d23b763e13Yoshihiro Shimoda sh_eth_write(ndev, ndev->mtu + ETH_HLEN + VLAN_HLEN + ETH_FCS_LEN, 1312fdb37a7f84a58ccad24abffd54ad46d23b763e13Yoshihiro Shimoda RFLR); 131386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 13144a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, EESR), EESR); 1315525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda if (start) 1316525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda sh_eth_write(ndev, mdp->cd->eesipr_value, EESIPR); 131786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 131886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* PAUSE Prohibition */ 13194a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda val = (sh_eth_read(ndev, ECMR) & ECMR_DM) | 132086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ECMR_ZPF | (mdp->duplex ? ECMR_DM : 0) | ECMR_TE | ECMR_RE; 132186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 13224a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, val, ECMR); 1323b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu 1324380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (mdp->cd->set_rate) 1325380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda mdp->cd->set_rate(ndev); 1326380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 1327b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu /* E-MAC Status Register clear */ 13284a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, mdp->cd->ecsr_value, ECSR); 1329b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu 1330b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu /* E-MAC Interrupt Enable register */ 1331525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda if (start) 1332525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda sh_eth_write(ndev, mdp->cd->ecsipr_value, ECSIPR); 133386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 133486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Set MAC address */ 133586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu update_mac_address(ndev); 133686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 133786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* mask reset */ 1338380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (mdp->cd->apr) 13394a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, APR_AP, APR); 1340380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (mdp->cd->mpr) 13414a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, MPR_MP, MPR); 1342380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (mdp->cd->tpauser) 13434a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, TPAUSER_UNLIMITED, TPAUSER); 1344b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu 1345525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda if (start) { 1346525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda /* Setting the Rx mode will start the Rx process. */ 1347525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda sh_eth_write(ndev, EDRRR_R, EDRRR); 134886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1349525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda netif_start_queue(ndev); 1350525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda } 135186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 13525cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsuout: 135386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return ret; 135486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 135586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 135686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* free Tx skb function */ 135786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic int sh_eth_txfree(struct net_device *ndev) 135886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 135986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 136086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_txdesc *txdesc; 136186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu int freeNum = 0; 136286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu int entry = 0; 136386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 136486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu for (; mdp->cur_tx - mdp->dirty_tx > 0; mdp->dirty_tx++) { 1365525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda entry = mdp->dirty_tx % mdp->num_tx_ring; 136686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu txdesc = &mdp->tx_ring[entry]; 136771557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato if (txdesc->status & cpu_to_edmac(mdp, TD_TACT)) 136886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu break; 136986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Free the original skb. */ 137086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (mdp->tx_skbuff[entry]) { 137131fcb99d9958bdf04e84224e202f69e6cdac893bYoshihiro Shimoda dma_unmap_single(&ndev->dev, txdesc->addr, 137231fcb99d9958bdf04e84224e202f69e6cdac893bYoshihiro Shimoda txdesc->buffer_length, DMA_TO_DEVICE); 137386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu dev_kfree_skb_irq(mdp->tx_skbuff[entry]); 137486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->tx_skbuff[entry] = NULL; 137586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu freeNum++; 137686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 137771557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato txdesc->status = cpu_to_edmac(mdp, TD_TFP); 1378525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda if (entry >= mdp->num_tx_ring - 1) 137971557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato txdesc->status |= cpu_to_edmac(mdp, TD_TDLE); 138086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1381bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.tx_packets++; 1382bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.tx_bytes += txdesc->buffer_length; 138386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 138486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return freeNum; 138586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 138686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 138786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* Packet receive function */ 1388a18e08bdcf845efb7344cea146e683df746bbfb4Yoshihiro Shimodastatic int sh_eth_rx(struct net_device *ndev, u32 intr_status) 138986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 139086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 139186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_rxdesc *rxdesc; 139286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1393525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda int entry = mdp->cur_rx % mdp->num_rx_ring; 1394525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda int boguscnt = (mdp->dirty_rx + mdp->num_rx_ring) - mdp->cur_rx; 139586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sk_buff *skb; 139686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu u16 pkt_len = 0; 1397380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda u32 desc_status; 139886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 139986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu rxdesc = &mdp->rx_ring[entry]; 140071557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato while (!(rxdesc->status & cpu_to_edmac(mdp, RD_RACT))) { 140171557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato desc_status = edmac_to_cpu(mdp, rxdesc->status); 140286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu pkt_len = rxdesc->frame_length; 140386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 140473a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda#if defined(CONFIG_ARCH_R8A7740) 140573a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda desc_status >>= 16; 140673a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda#endif 140773a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda 140886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (--boguscnt < 0) 140986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu break; 141086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 141186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (!(desc_status & RDFEND)) 1412bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.rx_length_errors++; 141386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 141486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (desc_status & (RD_RFS1 | RD_RFS2 | RD_RFS3 | RD_RFS4 | 141586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu RD_RFS5 | RD_RFS6 | RD_RFS10)) { 1416bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.rx_errors++; 141786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (desc_status & RD_RFS1) 1418bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.rx_crc_errors++; 141986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (desc_status & RD_RFS2) 1420bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.rx_frame_errors++; 142186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (desc_status & RD_RFS3) 1422bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.rx_length_errors++; 142386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (desc_status & RD_RFS4) 1424bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.rx_length_errors++; 142586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (desc_status & RD_RFS6) 1426bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.rx_missed_errors++; 142786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (desc_status & RD_RFS10) 1428bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.rx_over_errors++; 142986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } else { 1430380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (!mdp->cd->hw_swap) 1431380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda sh_eth_soft_swap( 1432380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda phys_to_virt(ALIGN(rxdesc->addr, 4)), 1433380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda pkt_len + 2); 143486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu skb = mdp->rx_skbuff[entry]; 143586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->rx_skbuff[entry] = NULL; 1436503914cf4a4b5dbe3f844e0a92f412ae99fde70eMagnus Damm if (mdp->cd->rpadir) 1437503914cf4a4b5dbe3f844e0a92f412ae99fde70eMagnus Damm skb_reserve(skb, NET_IP_ALIGN); 143886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu skb_put(skb, pkt_len); 143986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu skb->protocol = eth_type_trans(skb, ndev); 144086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu netif_rx(skb); 1441bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.rx_packets++; 1442bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.rx_bytes += pkt_len; 144386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 144471557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato rxdesc->status |= cpu_to_edmac(mdp, RD_RACT); 1445525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda entry = (++mdp->cur_rx) % mdp->num_rx_ring; 1446862df49750e7ca9369c04d8d8105b3cc5d976e0dYoshihiro Shimoda rxdesc = &mdp->rx_ring[entry]; 144786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 144886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 144986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Refill the Rx ring buffers. */ 145086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu for (; mdp->cur_rx - mdp->dirty_rx > 0; mdp->dirty_rx++) { 1451525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda entry = mdp->dirty_rx % mdp->num_rx_ring; 145286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu rxdesc = &mdp->rx_ring[entry]; 1453b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu /* The size of the buffer is 16 byte boundary. */ 14540029d64af5d72049e2170e4609fa83bd1f3f07cdYoshihiro Shimoda rxdesc->buffer_length = ALIGN(mdp->rx_buf_sz, 16); 1455b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu 145686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (mdp->rx_skbuff[entry] == NULL) { 1457dae2e9f430c46c29e3f771110094bd3da3625aa4Pradeep A. Dalvi skb = netdev_alloc_skb(ndev, mdp->rx_buf_sz); 145886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->rx_skbuff[entry] = skb; 145986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (skb == NULL) 146086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu break; /* Better luck next round. */ 1461bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet dma_map_single(&ndev->dev, skb->data, mdp->rx_buf_sz, 1462e88aae7bb1dc50457489d1d7c81dcf4db23ccf94Yoshihiro Shimoda DMA_FROM_DEVICE); 1463380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda sh_eth_set_receive_align(skb); 1464380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 1465bc8acf2c8c3e43fcc192762a9f964b3e9a17748bEric Dumazet skb_checksum_none_assert(skb); 14660029d64af5d72049e2170e4609fa83bd1f3f07cdYoshihiro Shimoda rxdesc->addr = virt_to_phys(PTR_ALIGN(skb->data, 4)); 146786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 1468525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda if (entry >= mdp->num_rx_ring - 1) 146986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu rxdesc->status |= 147071557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato cpu_to_edmac(mdp, RD_RACT | RD_RFP | RD_RDEL); 147186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu else 147286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu rxdesc->status |= 147371557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato cpu_to_edmac(mdp, RD_RACT | RD_RFP); 147486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 147586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 147686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Restart Rx engine if stopped. */ 147786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* If we don't need to check status, don't. -KDU */ 147879fba9f51755c704c0a7d7b7f0df10874dc0a744Yoshihiro Shimoda if (!(sh_eth_read(ndev, EDRRR) & EDRRR_R)) { 1479a18e08bdcf845efb7344cea146e683df746bbfb4Yoshihiro Shimoda /* fix the values for the next receiving if RDE is set */ 1480a18e08bdcf845efb7344cea146e683df746bbfb4Yoshihiro Shimoda if (intr_status & EESR_RDE) 1481a18e08bdcf845efb7344cea146e683df746bbfb4Yoshihiro Shimoda mdp->cur_rx = mdp->dirty_rx = 1482a18e08bdcf845efb7344cea146e683df746bbfb4Yoshihiro Shimoda (sh_eth_read(ndev, RDFAR) - 1483a18e08bdcf845efb7344cea146e683df746bbfb4Yoshihiro Shimoda sh_eth_read(ndev, RDLAR)) >> 4; 14844a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, EDRRR_R, EDRRR); 148579fba9f51755c704c0a7d7b7f0df10874dc0a744Yoshihiro Shimoda } 148686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 148786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return 0; 148886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 148986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 14904a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimodastatic void sh_eth_rcv_snd_disable(struct net_device *ndev) 1491dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu{ 1492dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu /* disable tx and rx */ 14934a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, ECMR) & 14944a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda ~(ECMR_RE | ECMR_TE), ECMR); 1495dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu} 1496dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 14974a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimodastatic void sh_eth_rcv_snd_enable(struct net_device *ndev) 1498dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu{ 1499dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu /* enable tx and rx */ 15004a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, ECMR) | 15014a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda (ECMR_RE | ECMR_TE), ECMR); 1502dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu} 1503dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 150486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* error control function */ 150586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic void sh_eth_error(struct net_device *ndev, int intr_status) 150686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 150786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 150886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu u32 felic_stat; 1509380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda u32 link_stat; 1510380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda u32 mask; 151186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 151286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (intr_status & EESR_ECI) { 15134a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda felic_stat = sh_eth_read(ndev, ECSR); 15144a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, felic_stat, ECSR); /* clear int */ 151586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (felic_stat & ECSR_ICD) 1516bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.tx_carrier_errors++; 151786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (felic_stat & ECSR_LCHNG) { 151886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Link Changed */ 15194923576b8ac5bfd36ab2beb176aeb747aaab7e41Yoshihiro Shimoda if (mdp->cd->no_psr || mdp->no_ether_link) { 15201e1b812bbe1069fc8e2e372dca7d5f541c7a8cebSergei Shtylyov goto ignore_link; 1521380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda } else { 15224a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda link_stat = (sh_eth_read(ndev, PSR)); 15234923576b8ac5bfd36ab2beb176aeb747aaab7e41Yoshihiro Shimoda if (mdp->ether_link_active_low) 15244923576b8ac5bfd36ab2beb176aeb747aaab7e41Yoshihiro Shimoda link_stat = ~link_stat; 1525380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda } 1526dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (!(link_stat & PHY_ST_LINK)) 15274a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_rcv_snd_disable(ndev); 1528dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu else { 152986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Link Up */ 15304a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, EESIPR) & 15314a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda ~DMAC_M_ECI, EESIPR); 153286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /*clear int */ 15334a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, ECSR), 15344a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda ECSR); 15354a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, EESIPR) | 15364a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda DMAC_M_ECI, EESIPR); 153786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* enable tx and rx */ 15384a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_rcv_snd_enable(ndev); 153986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 154086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 154186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 154286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 15431e1b812bbe1069fc8e2e372dca7d5f541c7a8cebSergei Shtylyovignore_link: 154486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (intr_status & EESR_TWB) { 154586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Write buck end. unused write back interrupt */ 154686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (intr_status & EESR_TABT) /* Transmit Abort int */ 1547bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.tx_aborted_errors++; 1548dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (netif_msg_tx_err(mdp)) 1549dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu dev_err(&ndev->dev, "Transmit Abort\n"); 155086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 155186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 155286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (intr_status & EESR_RABT) { 155386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Receive Abort int */ 155486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (intr_status & EESR_RFRMER) { 155586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Receive Frame Overflow int */ 1556bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.rx_frame_errors++; 1557dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (netif_msg_rx_err(mdp)) 1558dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu dev_err(&ndev->dev, "Receive Abort\n"); 155986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 156086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 1561380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 1562dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (intr_status & EESR_TDE) { 1563dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu /* Transmit Descriptor Empty int */ 1564bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.tx_fifo_errors++; 1565dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (netif_msg_tx_err(mdp)) 1566dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu dev_err(&ndev->dev, "Transmit Descriptor Empty\n"); 1567dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu } 1568dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1569dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (intr_status & EESR_TFE) { 1570dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu /* FIFO under flow */ 1571bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.tx_fifo_errors++; 1572dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (netif_msg_tx_err(mdp)) 1573dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu dev_err(&ndev->dev, "Transmit FIFO Under flow\n"); 157486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 157586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 157686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (intr_status & EESR_RDE) { 157786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Receive Descriptor Empty int */ 1578bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.rx_over_errors++; 157986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1580dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (netif_msg_rx_err(mdp)) 1581dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu dev_err(&ndev->dev, "Receive Descriptor Empty\n"); 158286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 1583dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 158486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (intr_status & EESR_RFE) { 158586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Receive FIFO Overflow int */ 1586bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.rx_fifo_errors++; 1587dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (netif_msg_rx_err(mdp)) 1588dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu dev_err(&ndev->dev, "Receive FIFO Overflow\n"); 1589dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu } 1590dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1591dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (!mdp->cd->no_ade && (intr_status & EESR_ADE)) { 1592dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu /* Address Error */ 1593bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.tx_fifo_errors++; 1594dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (netif_msg_tx_err(mdp)) 1595dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu dev_err(&ndev->dev, "Address Error\n"); 159686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 1597380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 1598380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda mask = EESR_TWB | EESR_TABT | EESR_ADE | EESR_TDE | EESR_TFE; 1599380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (mdp->cd->no_ade) 1600380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda mask &= ~EESR_ADE; 1601380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (intr_status & mask) { 160286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Tx error */ 16034a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda u32 edtrr = sh_eth_read(ndev, EDTRR); 160486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* dmesg */ 1605380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda dev_err(&ndev->dev, "TX error. status=%8.8x cur_tx=%8.8x ", 1606380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda intr_status, mdp->cur_tx); 1607380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda dev_err(&ndev->dev, "dirty_tx=%8.8x state=%8.8x EDTRR=%8.8x.\n", 160886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->dirty_tx, (u32) ndev->state, edtrr); 160986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* dirty buffer free */ 161086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu sh_eth_txfree(ndev); 161186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 161286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* SH7712 BUG */ 1613c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda if (edtrr ^ sh_eth_get_edtrr_trns(mdp)) { 161486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* tx dma start */ 1615c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda sh_eth_write(ndev, sh_eth_get_edtrr_trns(mdp), EDTRR); 161686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 161786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* wakeup */ 161886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu netif_wake_queue(ndev); 161986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 162086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 162186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 162286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic irqreturn_t sh_eth_interrupt(int irq, void *netdev) 162386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 162486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct net_device *ndev = netdev; 162586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 1626380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda struct sh_eth_cpu_data *cd = mdp->cd; 16270e0fde3c8d65524b8dfd834332d6e4a92711a66aNobuhiro Iwamatsu irqreturn_t ret = IRQ_NONE; 16283893b27345ac0ff13c1b9ec20ad50966b810997eSergei Shtylyov unsigned long intr_status; 162986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 163086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu spin_lock(&mdp->lock); 163186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 16323893b27345ac0ff13c1b9ec20ad50966b810997eSergei Shtylyov /* Get interrupt status */ 16334a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda intr_status = sh_eth_read(ndev, EESR); 16343893b27345ac0ff13c1b9ec20ad50966b810997eSergei Shtylyov /* Mask it with the interrupt mask, forcing ECI interrupt to be always 16353893b27345ac0ff13c1b9ec20ad50966b810997eSergei Shtylyov * enabled since it's the one that comes thru regardless of the mask, 16363893b27345ac0ff13c1b9ec20ad50966b810997eSergei Shtylyov * and we need to fully handle it in sh_eth_error() in order to quench 16373893b27345ac0ff13c1b9ec20ad50966b810997eSergei Shtylyov * it as it doesn't get cleared by just writing 1 to the ECI bit... 16383893b27345ac0ff13c1b9ec20ad50966b810997eSergei Shtylyov */ 16393893b27345ac0ff13c1b9ec20ad50966b810997eSergei Shtylyov intr_status &= sh_eth_read(ndev, EESIPR) | DMAC_M_ECI; 164086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Clear interrupt */ 16410e0fde3c8d65524b8dfd834332d6e4a92711a66aNobuhiro Iwamatsu if (intr_status & (EESR_FRC | EESR_RMAF | EESR_RRF | 16420e0fde3c8d65524b8dfd834332d6e4a92711a66aNobuhiro Iwamatsu EESR_RTLF | EESR_RTSF | EESR_PRE | EESR_CERF | 1643380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda cd->tx_check | cd->eesr_err_check)) { 16444a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, intr_status, EESR); 16450e0fde3c8d65524b8dfd834332d6e4a92711a66aNobuhiro Iwamatsu ret = IRQ_HANDLED; 16460e0fde3c8d65524b8dfd834332d6e4a92711a66aNobuhiro Iwamatsu } else 16470e0fde3c8d65524b8dfd834332d6e4a92711a66aNobuhiro Iwamatsu goto other_irq; 164886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1649b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu if (intr_status & (EESR_FRC | /* Frame recv*/ 1650b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu EESR_RMAF | /* Multi cast address recv*/ 1651b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu EESR_RRF | /* Bit frame recv */ 1652b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu EESR_RTLF | /* Long frame recv*/ 1653b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu EESR_RTSF | /* short frame recv */ 1654b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu EESR_PRE | /* PHY-LSI recv error */ 1655b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu EESR_CERF)){ /* recv frame CRC error */ 1656a18e08bdcf845efb7344cea146e683df746bbfb4Yoshihiro Shimoda sh_eth_rx(ndev, intr_status); 1657b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu } 165886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1659b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu /* Tx Check */ 1660380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (intr_status & cd->tx_check) { 166186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu sh_eth_txfree(ndev); 166286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu netif_wake_queue(ndev); 166386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 166486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1665380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (intr_status & cd->eesr_err_check) 166686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu sh_eth_error(ndev, intr_status); 166786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 16680e0fde3c8d65524b8dfd834332d6e4a92711a66aNobuhiro Iwamatsuother_irq: 166986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu spin_unlock(&mdp->lock); 167086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 16710e0fde3c8d65524b8dfd834332d6e4a92711a66aNobuhiro Iwamatsu return ret; 167286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 167386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 167486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* PHY state control function */ 167586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic void sh_eth_adjust_link(struct net_device *ndev) 167686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 167786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 167886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct phy_device *phydev = mdp->phydev; 167986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu int new_state = 0; 168086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 16813340d2aae3433ad9147f6bf0adc452b324e31591Sergei Shtylyov if (phydev->link) { 168286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (phydev->duplex != mdp->duplex) { 168386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu new_state = 1; 168486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->duplex = phydev->duplex; 1685380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (mdp->cd->set_duplex) 1686380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda mdp->cd->set_duplex(ndev); 168786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 168886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 168986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (phydev->speed != mdp->speed) { 169086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu new_state = 1; 169186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->speed = phydev->speed; 1692380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (mdp->cd->set_rate) 1693380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda mdp->cd->set_rate(ndev); 169486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 16953340d2aae3433ad9147f6bf0adc452b324e31591Sergei Shtylyov if (!mdp->link) { 169691a5615203355bb34e0b9e68e94f27f24719a74cYoshihiro Shimoda sh_eth_write(ndev, 169791a5615203355bb34e0b9e68e94f27f24719a74cYoshihiro Shimoda (sh_eth_read(ndev, ECMR) & ~ECMR_TXF), ECMR); 169886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu new_state = 1; 169986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->link = phydev->link; 17001e1b812bbe1069fc8e2e372dca7d5f541c7a8cebSergei Shtylyov if (mdp->cd->no_psr || mdp->no_ether_link) 17011e1b812bbe1069fc8e2e372dca7d5f541c7a8cebSergei Shtylyov sh_eth_rcv_snd_enable(ndev); 170286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 170386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } else if (mdp->link) { 170486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu new_state = 1; 17053340d2aae3433ad9147f6bf0adc452b324e31591Sergei Shtylyov mdp->link = 0; 170686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->speed = 0; 170786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->duplex = -1; 17081e1b812bbe1069fc8e2e372dca7d5f541c7a8cebSergei Shtylyov if (mdp->cd->no_psr || mdp->no_ether_link) 17091e1b812bbe1069fc8e2e372dca7d5f541c7a8cebSergei Shtylyov sh_eth_rcv_snd_disable(ndev); 171086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 171186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1712dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (new_state && netif_msg_link(mdp)) 171386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu phy_print_status(phydev); 171486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 171586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 171686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* PHY init function */ 171786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic int sh_eth_phy_init(struct net_device *ndev) 171886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 171986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 17200a372eb91f9d507701a901c2f62ed31ca67fd66cDavid S. Miller char phy_id[MII_BUS_ID_SIZE + 3]; 172186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct phy_device *phydev = NULL; 172286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1723fb28ad35906af2f042c94e2f9c0f898ef9acfa37Kay Sievers snprintf(phy_id, sizeof(phy_id), PHY_ID_FMT, 172486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->mii_bus->id , mdp->phy_id); 172586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 17263340d2aae3433ad9147f6bf0adc452b324e31591Sergei Shtylyov mdp->link = 0; 172786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->speed = 0; 172886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->duplex = -1; 172986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 173086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Try connect to PHY */ 1731c061b18df0f1fe3f50fe451dbbdc9ede3c19701aJoe Perches phydev = phy_connect(ndev, phy_id, sh_eth_adjust_link, 1732f9a8f83b04e0c362a2fc660dbad980d24af209fcFlorian Fainelli mdp->phy_interface); 173386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (IS_ERR(phydev)) { 173486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu dev_err(&ndev->dev, "phy_connect failed\n"); 173586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return PTR_ERR(phydev); 173686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 1737380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 173886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu dev_info(&ndev->dev, "attached phy %i to driver %s\n", 1739380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda phydev->addr, phydev->drv->name); 174086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 174186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->phydev = phydev; 174286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 174386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return 0; 174486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 174586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 174686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* PHY control start function */ 174786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic int sh_eth_phy_start(struct net_device *ndev) 174886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 174986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 175086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu int ret; 175186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 175286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ret = sh_eth_phy_init(ndev); 175386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (ret) 175486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return ret; 175586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 175686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* reset phy - this also wakes it from PDOWN */ 175786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu phy_write(mdp->phydev, MII_BMCR, BMCR_RESET); 175886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu phy_start(mdp->phydev); 175986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 176086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return 0; 176186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 176286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1763dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsustatic int sh_eth_get_settings(struct net_device *ndev, 1764dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu struct ethtool_cmd *ecmd) 1765dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu{ 1766dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 1767dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu unsigned long flags; 1768dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu int ret; 1769dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1770dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu spin_lock_irqsave(&mdp->lock, flags); 1771dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu ret = phy_ethtool_gset(mdp->phydev, ecmd); 1772dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu spin_unlock_irqrestore(&mdp->lock, flags); 1773dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1774dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu return ret; 1775dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu} 1776dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1777dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsustatic int sh_eth_set_settings(struct net_device *ndev, 1778dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu struct ethtool_cmd *ecmd) 1779dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu{ 1780dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 1781dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu unsigned long flags; 1782dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu int ret; 1783dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1784dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu spin_lock_irqsave(&mdp->lock, flags); 1785dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1786dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu /* disable tx and rx */ 17874a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_rcv_snd_disable(ndev); 1788dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1789dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu ret = phy_ethtool_sset(mdp->phydev, ecmd); 1790dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (ret) 1791dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu goto error_exit; 1792dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1793dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (ecmd->duplex == DUPLEX_FULL) 1794dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu mdp->duplex = 1; 1795dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu else 1796dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu mdp->duplex = 0; 1797dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1798dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (mdp->cd->set_duplex) 1799dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu mdp->cd->set_duplex(ndev); 1800dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1801dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsuerror_exit: 1802dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu mdelay(1); 1803dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1804dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu /* enable tx and rx */ 18054a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_rcv_snd_enable(ndev); 1806dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1807dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu spin_unlock_irqrestore(&mdp->lock, flags); 1808dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1809dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu return ret; 1810dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu} 1811dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1812dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsustatic int sh_eth_nway_reset(struct net_device *ndev) 1813dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu{ 1814dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 1815dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu unsigned long flags; 1816dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu int ret; 1817dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1818dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu spin_lock_irqsave(&mdp->lock, flags); 1819dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu ret = phy_start_aneg(mdp->phydev); 1820dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu spin_unlock_irqrestore(&mdp->lock, flags); 1821dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1822dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu return ret; 1823dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu} 1824dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1825dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsustatic u32 sh_eth_get_msglevel(struct net_device *ndev) 1826dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu{ 1827dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 1828dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu return mdp->msg_enable; 1829dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu} 1830dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1831dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsustatic void sh_eth_set_msglevel(struct net_device *ndev, u32 value) 1832dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu{ 1833dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 1834dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu mdp->msg_enable = value; 1835dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu} 1836dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1837dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsustatic const char sh_eth_gstrings_stats[][ETH_GSTRING_LEN] = { 1838dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu "rx_current", "tx_current", 1839dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu "rx_dirty", "tx_dirty", 1840dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu}; 1841dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu#define SH_ETH_STATS_LEN ARRAY_SIZE(sh_eth_gstrings_stats) 1842dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1843dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsustatic int sh_eth_get_sset_count(struct net_device *netdev, int sset) 1844dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu{ 1845dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu switch (sset) { 1846dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu case ETH_SS_STATS: 1847dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu return SH_ETH_STATS_LEN; 1848dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu default: 1849dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu return -EOPNOTSUPP; 1850dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu } 1851dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu} 1852dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1853dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsustatic void sh_eth_get_ethtool_stats(struct net_device *ndev, 1854dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu struct ethtool_stats *stats, u64 *data) 1855dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu{ 1856dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 1857dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu int i = 0; 1858dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1859dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu /* device-specific stats */ 1860dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu data[i++] = mdp->cur_rx; 1861dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu data[i++] = mdp->cur_tx; 1862dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu data[i++] = mdp->dirty_rx; 1863dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu data[i++] = mdp->dirty_tx; 1864dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu} 1865dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1866dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsustatic void sh_eth_get_strings(struct net_device *ndev, u32 stringset, u8 *data) 1867dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu{ 1868dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu switch (stringset) { 1869dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu case ETH_SS_STATS: 1870dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu memcpy(data, *sh_eth_gstrings_stats, 1871dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu sizeof(sh_eth_gstrings_stats)); 1872dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu break; 1873dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu } 1874dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu} 1875dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1876525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimodastatic void sh_eth_get_ringparam(struct net_device *ndev, 1877525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda struct ethtool_ringparam *ring) 1878525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda{ 1879525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 1880525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda 1881525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda ring->rx_max_pending = RX_RING_MAX; 1882525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda ring->tx_max_pending = TX_RING_MAX; 1883525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda ring->rx_pending = mdp->num_rx_ring; 1884525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda ring->tx_pending = mdp->num_tx_ring; 1885525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda} 1886525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda 1887525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimodastatic int sh_eth_set_ringparam(struct net_device *ndev, 1888525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda struct ethtool_ringparam *ring) 1889525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda{ 1890525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 1891525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda int ret; 1892525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda 1893525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda if (ring->tx_pending > TX_RING_MAX || 1894525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda ring->rx_pending > RX_RING_MAX || 1895525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda ring->tx_pending < TX_RING_MIN || 1896525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda ring->rx_pending < RX_RING_MIN) 1897525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda return -EINVAL; 1898525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda if (ring->rx_mini_pending || ring->rx_jumbo_pending) 1899525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda return -EINVAL; 1900525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda 1901525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda if (netif_running(ndev)) { 1902525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda netif_tx_disable(ndev); 1903525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda /* Disable interrupts by clearing the interrupt mask. */ 1904525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda sh_eth_write(ndev, 0x0000, EESIPR); 1905525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda /* Stop the chip's Tx and Rx processes. */ 1906525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda sh_eth_write(ndev, 0, EDTRR); 1907525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda sh_eth_write(ndev, 0, EDRRR); 1908525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda synchronize_irq(ndev->irq); 1909525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda } 1910525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda 1911525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda /* Free all the skbuffs in the Rx queue. */ 1912525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda sh_eth_ring_free(ndev); 1913525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda /* Free DMA buffer */ 1914525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda sh_eth_free_dma_buffer(mdp); 1915525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda 1916525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda /* Set new parameters */ 1917525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda mdp->num_rx_ring = ring->rx_pending; 1918525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda mdp->num_tx_ring = ring->tx_pending; 1919525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda 1920525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda ret = sh_eth_ring_init(ndev); 1921525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda if (ret < 0) { 1922525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda dev_err(&ndev->dev, "%s: sh_eth_ring_init failed.\n", __func__); 1923525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda return ret; 1924525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda } 1925525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda ret = sh_eth_dev_init(ndev, false); 1926525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda if (ret < 0) { 1927525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda dev_err(&ndev->dev, "%s: sh_eth_dev_init failed.\n", __func__); 1928525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda return ret; 1929525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda } 1930525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda 1931525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda if (netif_running(ndev)) { 1932525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda sh_eth_write(ndev, mdp->cd->eesipr_value, EESIPR); 1933525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda /* Setting the Rx mode will start the Rx process. */ 1934525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda sh_eth_write(ndev, EDRRR_R, EDRRR); 1935525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda netif_wake_queue(ndev); 1936525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda } 1937525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda 1938525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda return 0; 1939525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda} 1940525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda 19419b07be4b2a78166bc54c8eedf18da8a8aafacfabstephen hemmingerstatic const struct ethtool_ops sh_eth_ethtool_ops = { 1942dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu .get_settings = sh_eth_get_settings, 1943dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu .set_settings = sh_eth_set_settings, 19449b07be4b2a78166bc54c8eedf18da8a8aafacfabstephen hemminger .nway_reset = sh_eth_nway_reset, 1945dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu .get_msglevel = sh_eth_get_msglevel, 1946dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu .set_msglevel = sh_eth_set_msglevel, 19479b07be4b2a78166bc54c8eedf18da8a8aafacfabstephen hemminger .get_link = ethtool_op_get_link, 1948dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu .get_strings = sh_eth_get_strings, 1949dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu .get_ethtool_stats = sh_eth_get_ethtool_stats, 1950dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu .get_sset_count = sh_eth_get_sset_count, 1951525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda .get_ringparam = sh_eth_get_ringparam, 1952525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda .set_ringparam = sh_eth_set_ringparam, 1953dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu}; 1954dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 195586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* network device open function */ 195686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic int sh_eth_open(struct net_device *ndev) 195786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 195886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu int ret = 0; 195986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 196086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1961bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm pm_runtime_get_sync(&mdp->pdev->dev); 1962bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm 1963a0607fd3a25ba1848a63a0d925e36d914735ab47Joe Perches ret = request_irq(ndev->irq, sh_eth_interrupt, 1964f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda#if defined(CONFIG_CPU_SUBTYPE_SH7763) || \ 1965dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu defined(CONFIG_CPU_SUBTYPE_SH7764) || \ 1966dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu defined(CONFIG_CPU_SUBTYPE_SH7757) 19670e0fde3c8d65524b8dfd834332d6e4a92711a66aNobuhiro Iwamatsu IRQF_SHARED, 19680e0fde3c8d65524b8dfd834332d6e4a92711a66aNobuhiro Iwamatsu#else 19690e0fde3c8d65524b8dfd834332d6e4a92711a66aNobuhiro Iwamatsu 0, 19700e0fde3c8d65524b8dfd834332d6e4a92711a66aNobuhiro Iwamatsu#endif 19710e0fde3c8d65524b8dfd834332d6e4a92711a66aNobuhiro Iwamatsu ndev->name, ndev); 197286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (ret) { 1973380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda dev_err(&ndev->dev, "Can not assign IRQ number\n"); 197486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return ret; 197586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 197686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 197786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Descriptor set */ 197886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ret = sh_eth_ring_init(ndev); 197986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (ret) 198086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu goto out_free_irq; 198186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 198286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* device init */ 1983525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda ret = sh_eth_dev_init(ndev, true); 198486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (ret) 198586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu goto out_free_irq; 198686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 198786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* PHY control start*/ 198886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ret = sh_eth_phy_start(ndev); 198986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (ret) 199086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu goto out_free_irq; 199186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 199286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return ret; 199386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 199486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsuout_free_irq: 199586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu free_irq(ndev->irq, ndev); 1996bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm pm_runtime_put_sync(&mdp->pdev->dev); 199786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return ret; 199886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 199986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 200086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* Timeout function */ 200186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic void sh_eth_tx_timeout(struct net_device *ndev) 200286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 200386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 200486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_rxdesc *rxdesc; 200586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu int i; 200686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 200786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu netif_stop_queue(ndev); 200886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 2009dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (netif_msg_timer(mdp)) 2010dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu dev_err(&ndev->dev, "%s: transmit timed out, status %8.8x," 20114a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda " resetting...\n", ndev->name, (int)sh_eth_read(ndev, EESR)); 201286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 201386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* tx_errors count up */ 2014bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.tx_errors++; 201586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 201686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Free all the skbuffs in the Rx queue. */ 2017525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda for (i = 0; i < mdp->num_rx_ring; i++) { 201886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu rxdesc = &mdp->rx_ring[i]; 201986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu rxdesc->status = 0; 202086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu rxdesc->addr = 0xBADF00D0; 202186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (mdp->rx_skbuff[i]) 202286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu dev_kfree_skb(mdp->rx_skbuff[i]); 202386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->rx_skbuff[i] = NULL; 202486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 2025525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda for (i = 0; i < mdp->num_tx_ring; i++) { 202686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (mdp->tx_skbuff[i]) 202786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu dev_kfree_skb(mdp->tx_skbuff[i]); 202886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->tx_skbuff[i] = NULL; 202986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 203086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 203186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* device init */ 2032525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda sh_eth_dev_init(ndev, true); 203386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 203486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 203586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* Packet transmit function */ 203686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic int sh_eth_start_xmit(struct sk_buff *skb, struct net_device *ndev) 203786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 203886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 203986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_txdesc *txdesc; 204086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu u32 entry; 2041fb5e2f9b9410a4362897d12dc1ed4f7cec1b0d45Nobuhiro Iwamatsu unsigned long flags; 204286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 204386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu spin_lock_irqsave(&mdp->lock, flags); 2044525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda if ((mdp->cur_tx - mdp->dirty_tx) >= (mdp->num_tx_ring - 4)) { 204586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (!sh_eth_txfree(ndev)) { 2046dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (netif_msg_tx_queued(mdp)) 2047dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu dev_warn(&ndev->dev, "TxFD exhausted.\n"); 204886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu netif_stop_queue(ndev); 204986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu spin_unlock_irqrestore(&mdp->lock, flags); 20505b548140225c6bbbbd560551dd1048b2c0ce58bePatrick McHardy return NETDEV_TX_BUSY; 205186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 205286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 205386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu spin_unlock_irqrestore(&mdp->lock, flags); 205486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 2055525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda entry = mdp->cur_tx % mdp->num_tx_ring; 205686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->tx_skbuff[entry] = skb; 205786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu txdesc = &mdp->tx_ring[entry]; 205886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* soft swap. */ 2059380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (!mdp->cd->hw_swap) 2060380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda sh_eth_soft_swap(phys_to_virt(ALIGN(txdesc->addr, 4)), 2061380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda skb->len + 2); 206231fcb99d9958bdf04e84224e202f69e6cdac893bYoshihiro Shimoda txdesc->addr = dma_map_single(&ndev->dev, skb->data, skb->len, 206331fcb99d9958bdf04e84224e202f69e6cdac893bYoshihiro Shimoda DMA_TO_DEVICE); 206486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (skb->len < ETHERSMALL) 206586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu txdesc->buffer_length = ETHERSMALL; 206686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu else 206786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu txdesc->buffer_length = skb->len; 206886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 2069525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda if (entry >= mdp->num_tx_ring - 1) 207071557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato txdesc->status |= cpu_to_edmac(mdp, TD_TACT | TD_TDLE); 207186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu else 207271557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato txdesc->status |= cpu_to_edmac(mdp, TD_TACT); 207386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 207486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->cur_tx++; 207586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 2076c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda if (!(sh_eth_read(ndev, EDTRR) & sh_eth_get_edtrr_trns(mdp))) 2077c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda sh_eth_write(ndev, sh_eth_get_edtrr_trns(mdp), EDTRR); 2078b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu 20796ed106549d17474ca17a16057f4c0ed4eba5a7caPatrick McHardy return NETDEV_TX_OK; 208086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 208186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 208286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* device close function */ 208386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic int sh_eth_close(struct net_device *ndev) 208486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 208586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 208686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 208786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu netif_stop_queue(ndev); 208886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 208986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Disable interrupts by clearing the interrupt mask. */ 20904a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 0x0000, EESIPR); 209186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 209286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Stop the chip's Tx and Rx processes. */ 20934a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 0, EDTRR); 20944a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 0, EDRRR); 209586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 209686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* PHY Disconnect */ 209786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (mdp->phydev) { 209886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu phy_stop(mdp->phydev); 209986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu phy_disconnect(mdp->phydev); 210086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 210186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 210286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu free_irq(ndev->irq, ndev); 210386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 210486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Free all the skbuffs in the Rx queue. */ 210586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu sh_eth_ring_free(ndev); 210686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 210786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* free DMA buffer */ 210891c77550000a7d888aaf9f9ac13e3e3485d18560Yoshihiro Shimoda sh_eth_free_dma_buffer(mdp); 210986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 2110bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm pm_runtime_put_sync(&mdp->pdev->dev); 2111bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm 211286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return 0; 211386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 211486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 211586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic struct net_device_stats *sh_eth_get_stats(struct net_device *ndev) 211686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 211786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 211886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 2119bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm pm_runtime_get_sync(&mdp->pdev->dev); 2120bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm 2121bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.tx_dropped += sh_eth_read(ndev, TROCR); 21224a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 0, TROCR); /* (write clear) */ 2123bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.collisions += sh_eth_read(ndev, CDCR); 21244a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 0, CDCR); /* (write clear) */ 2125bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.tx_carrier_errors += sh_eth_read(ndev, LCCR); 21264a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 0, LCCR); /* (write clear) */ 2127c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda if (sh_eth_is_gether(mdp)) { 2128bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.tx_carrier_errors += sh_eth_read(ndev, CERCR); 2129c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda sh_eth_write(ndev, 0, CERCR); /* (write clear) */ 2130bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.tx_carrier_errors += sh_eth_read(ndev, CEECR); 2131c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda sh_eth_write(ndev, 0, CEECR); /* (write clear) */ 2132c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda } else { 2133bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.tx_carrier_errors += sh_eth_read(ndev, CNDCR); 2134c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda sh_eth_write(ndev, 0, CNDCR); /* (write clear) */ 2135c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda } 2136bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm pm_runtime_put_sync(&mdp->pdev->dev); 2137bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm 2138bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet return &ndev->stats; 213986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 214086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 2141bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet/* ioctl to device function */ 214286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic int sh_eth_do_ioctl(struct net_device *ndev, struct ifreq *rq, 214386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu int cmd) 214486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 214586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 214686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct phy_device *phydev = mdp->phydev; 214786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 214886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (!netif_running(ndev)) 214986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return -EINVAL; 215086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 215186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (!phydev) 215286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return -ENODEV; 215386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 215428b041139e344ecd0f144d6205b004ae354cfa1eRichard Cochran return phy_mii_ioctl(phydev, rq, cmd); 215586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 215686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 2157380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda#if defined(SH_ETH_HAS_TSU) 21586743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda/* For TSU_POSTn. Please refer to the manual about this (strange) bitfields */ 21596743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimodastatic void *sh_eth_tsu_get_post_reg_offset(struct sh_eth_private *mdp, 21606743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda int entry) 21616743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda{ 21626743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return sh_eth_tsu_get_offset(mdp, TSU_POST1) + (entry / 8 * 4); 21636743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda} 21646743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 21656743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimodastatic u32 sh_eth_tsu_get_post_mask(int entry) 21666743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda{ 21676743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return 0x0f << (28 - ((entry % 8) * 4)); 21686743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda} 21696743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 21706743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimodastatic u32 sh_eth_tsu_get_post_bit(struct sh_eth_private *mdp, int entry) 21716743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda{ 21726743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return (0x08 >> (mdp->port << 1)) << (28 - ((entry % 8) * 4)); 21736743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda} 21746743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 21756743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimodastatic void sh_eth_tsu_enable_cam_entry_post(struct net_device *ndev, 21766743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda int entry) 21776743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda{ 21786743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 21796743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda u32 tmp; 21806743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda void *reg_offset; 21816743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 21826743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda reg_offset = sh_eth_tsu_get_post_reg_offset(mdp, entry); 21836743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda tmp = ioread32(reg_offset); 21846743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda iowrite32(tmp | sh_eth_tsu_get_post_bit(mdp, entry), reg_offset); 21856743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda} 21866743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 21876743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimodastatic bool sh_eth_tsu_disable_cam_entry_post(struct net_device *ndev, 21886743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda int entry) 21896743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda{ 21906743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 21916743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda u32 post_mask, ref_mask, tmp; 21926743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda void *reg_offset; 21936743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 21946743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda reg_offset = sh_eth_tsu_get_post_reg_offset(mdp, entry); 21956743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda post_mask = sh_eth_tsu_get_post_mask(entry); 21966743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda ref_mask = sh_eth_tsu_get_post_bit(mdp, entry) & ~post_mask; 21976743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 21986743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda tmp = ioread32(reg_offset); 21996743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda iowrite32(tmp & ~post_mask, reg_offset); 22006743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 22016743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda /* If other port enables, the function returns "true" */ 22026743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return tmp & ref_mask; 22036743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda} 22046743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 22056743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimodastatic int sh_eth_tsu_busy(struct net_device *ndev) 22066743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda{ 22076743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda int timeout = SH_ETH_TSU_TIMEOUT_MS * 100; 22086743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 22096743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 22106743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda while ((sh_eth_tsu_read(mdp, TSU_ADSBSY) & TSU_ADSBSY_0)) { 22116743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda udelay(10); 22126743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda timeout--; 22136743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (timeout <= 0) { 22146743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda dev_err(&ndev->dev, "%s: timeout\n", __func__); 22156743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return -ETIMEDOUT; 22166743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda } 22176743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda } 22186743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 22196743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return 0; 22206743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda} 22216743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 22226743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimodastatic int sh_eth_tsu_write_entry(struct net_device *ndev, void *reg, 22236743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda const u8 *addr) 22246743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda{ 22256743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda u32 val; 22266743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 22276743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda val = addr[0] << 24 | addr[1] << 16 | addr[2] << 8 | addr[3]; 22286743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda iowrite32(val, reg); 22296743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (sh_eth_tsu_busy(ndev) < 0) 22306743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return -EBUSY; 22316743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 22326743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda val = addr[4] << 8 | addr[5]; 22336743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda iowrite32(val, reg + 4); 22346743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (sh_eth_tsu_busy(ndev) < 0) 22356743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return -EBUSY; 22366743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 22376743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return 0; 22386743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda} 22396743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 22406743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimodastatic void sh_eth_tsu_read_entry(void *reg, u8 *addr) 22416743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda{ 22426743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda u32 val; 22436743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 22446743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda val = ioread32(reg); 22456743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda addr[0] = (val >> 24) & 0xff; 22466743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda addr[1] = (val >> 16) & 0xff; 22476743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda addr[2] = (val >> 8) & 0xff; 22486743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda addr[3] = val & 0xff; 22496743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda val = ioread32(reg + 4); 22506743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda addr[4] = (val >> 8) & 0xff; 22516743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda addr[5] = val & 0xff; 22526743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda} 22536743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 22546743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 22556743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimodastatic int sh_eth_tsu_find_entry(struct net_device *ndev, const u8 *addr) 22566743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda{ 22576743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 22586743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda void *reg_offset = sh_eth_tsu_get_offset(mdp, TSU_ADRH0); 22596743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda int i; 22606743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda u8 c_addr[ETH_ALEN]; 22616743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 22626743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda for (i = 0; i < SH_ETH_TSU_CAM_ENTRIES; i++, reg_offset += 8) { 22636743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda sh_eth_tsu_read_entry(reg_offset, c_addr); 22646743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (memcmp(addr, c_addr, ETH_ALEN) == 0) 22656743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return i; 22666743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda } 22676743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 22686743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return -ENOENT; 22696743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda} 22706743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 22716743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimodastatic int sh_eth_tsu_find_empty(struct net_device *ndev) 22726743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda{ 22736743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda u8 blank[ETH_ALEN]; 22746743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda int entry; 22756743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 22766743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda memset(blank, 0, sizeof(blank)); 22776743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda entry = sh_eth_tsu_find_entry(ndev, blank); 22786743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return (entry < 0) ? -ENOMEM : entry; 22796743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda} 22806743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 22816743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimodastatic int sh_eth_tsu_disable_cam_entry_table(struct net_device *ndev, 22826743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda int entry) 22836743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda{ 22846743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 22856743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda void *reg_offset = sh_eth_tsu_get_offset(mdp, TSU_ADRH0); 22866743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda int ret; 22876743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda u8 blank[ETH_ALEN]; 22886743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 22896743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda sh_eth_tsu_write(mdp, sh_eth_tsu_read(mdp, TSU_TEN) & 22906743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda ~(1 << (31 - entry)), TSU_TEN); 22916743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 22926743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda memset(blank, 0, sizeof(blank)); 22936743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda ret = sh_eth_tsu_write_entry(ndev, reg_offset + entry * 8, blank); 22946743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (ret < 0) 22956743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return ret; 22966743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return 0; 22976743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda} 22986743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 22996743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimodastatic int sh_eth_tsu_add_entry(struct net_device *ndev, const u8 *addr) 23006743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda{ 23016743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 23026743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda void *reg_offset = sh_eth_tsu_get_offset(mdp, TSU_ADRH0); 23036743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda int i, ret; 23046743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 23056743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (!mdp->cd->tsu) 23066743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return 0; 23076743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 23086743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda i = sh_eth_tsu_find_entry(ndev, addr); 23096743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (i < 0) { 23106743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda /* No entry found, create one */ 23116743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda i = sh_eth_tsu_find_empty(ndev); 23126743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (i < 0) 23136743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return -ENOMEM; 23146743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda ret = sh_eth_tsu_write_entry(ndev, reg_offset + i * 8, addr); 23156743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (ret < 0) 23166743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return ret; 23176743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 23186743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda /* Enable the entry */ 23196743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda sh_eth_tsu_write(mdp, sh_eth_tsu_read(mdp, TSU_TEN) | 23206743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda (1 << (31 - i)), TSU_TEN); 23216743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda } 23226743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 23236743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda /* Entry found or created, enable POST */ 23246743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda sh_eth_tsu_enable_cam_entry_post(ndev, i); 23256743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 23266743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return 0; 23276743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda} 23286743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 23296743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimodastatic int sh_eth_tsu_del_entry(struct net_device *ndev, const u8 *addr) 23306743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda{ 23316743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 23326743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda int i, ret; 23336743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 23346743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (!mdp->cd->tsu) 23356743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return 0; 23366743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 23376743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda i = sh_eth_tsu_find_entry(ndev, addr); 23386743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (i) { 23396743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda /* Entry found */ 23406743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (sh_eth_tsu_disable_cam_entry_post(ndev, i)) 23416743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda goto done; 23426743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 23436743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda /* Disable the entry if both ports was disabled */ 23446743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda ret = sh_eth_tsu_disable_cam_entry_table(ndev, i); 23456743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (ret < 0) 23466743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return ret; 23476743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda } 23486743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimodadone: 23496743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return 0; 23506743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda} 23516743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 23526743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimodastatic int sh_eth_tsu_purge_all(struct net_device *ndev) 23536743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda{ 23546743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 23556743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda int i, ret; 23566743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 23576743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (unlikely(!mdp->cd->tsu)) 23586743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return 0; 23596743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 23606743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda for (i = 0; i < SH_ETH_TSU_CAM_ENTRIES; i++) { 23616743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (sh_eth_tsu_disable_cam_entry_post(ndev, i)) 23626743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda continue; 23636743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 23646743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda /* Disable the entry if both ports was disabled */ 23656743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda ret = sh_eth_tsu_disable_cam_entry_table(ndev, i); 23666743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (ret < 0) 23676743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return ret; 23686743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda } 23696743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 23706743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return 0; 23716743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda} 23726743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 23736743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimodastatic void sh_eth_tsu_purge_mcast(struct net_device *ndev) 23746743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda{ 23756743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 23766743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda u8 addr[ETH_ALEN]; 23776743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda void *reg_offset = sh_eth_tsu_get_offset(mdp, TSU_ADRH0); 23786743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda int i; 23796743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 23806743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (unlikely(!mdp->cd->tsu)) 23816743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return; 23826743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 23836743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda for (i = 0; i < SH_ETH_TSU_CAM_ENTRIES; i++, reg_offset += 8) { 23846743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda sh_eth_tsu_read_entry(reg_offset, addr); 23856743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (is_multicast_ether_addr(addr)) 23866743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda sh_eth_tsu_del_entry(ndev, addr); 23876743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda } 23886743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda} 23896743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 239086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* Multicast reception directions set */ 239186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic void sh_eth_set_multicast_list(struct net_device *ndev) 239286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 23936743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 23946743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda u32 ecmr_bits; 23956743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda int mcast_all = 0; 23966743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda unsigned long flags; 23976743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 23986743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda spin_lock_irqsave(&mdp->lock, flags); 23996743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda /* 24006743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda * Initial condition is MCT = 1, PRM = 0. 24016743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda * Depending on ndev->flags, set PRM or clear MCT 24026743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda */ 24036743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda ecmr_bits = (sh_eth_read(ndev, ECMR) & ~ECMR_PRM) | ECMR_MCT; 24046743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 24056743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (!(ndev->flags & IFF_MULTICAST)) { 24066743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda sh_eth_tsu_purge_mcast(ndev); 24076743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda mcast_all = 1; 24086743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda } 24096743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (ndev->flags & IFF_ALLMULTI) { 24106743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda sh_eth_tsu_purge_mcast(ndev); 24116743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda ecmr_bits &= ~ECMR_MCT; 24126743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda mcast_all = 1; 24136743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda } 24146743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 241586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (ndev->flags & IFF_PROMISC) { 24166743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda sh_eth_tsu_purge_all(ndev); 24176743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda ecmr_bits = (ecmr_bits & ~ECMR_MCT) | ECMR_PRM; 24186743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda } else if (mdp->cd->tsu) { 24196743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda struct netdev_hw_addr *ha; 24206743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda netdev_for_each_mc_addr(ha, ndev) { 24216743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (mcast_all && is_multicast_ether_addr(ha->addr)) 24226743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda continue; 24236743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 24246743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (sh_eth_tsu_add_entry(ndev, ha->addr) < 0) { 24256743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (!mcast_all) { 24266743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda sh_eth_tsu_purge_mcast(ndev); 24276743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda ecmr_bits &= ~ECMR_MCT; 24286743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda mcast_all = 1; 24296743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda } 24306743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda } 24316743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda } 243286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } else { 243386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Normal, unicast/broadcast-only mode. */ 24346743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda ecmr_bits = (ecmr_bits & ~ECMR_PRM) | ECMR_MCT; 243586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 24366743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 24376743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda /* update the ethernet mode */ 24386743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda sh_eth_write(ndev, ecmr_bits, ECMR); 24396743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 24406743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda spin_unlock_irqrestore(&mdp->lock, flags); 244186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 244271cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda 244371cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimodastatic int sh_eth_get_vtag_index(struct sh_eth_private *mdp) 244471cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda{ 244571cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda if (!mdp->port) 244671cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda return TSU_VTAG0; 244771cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda else 244871cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda return TSU_VTAG1; 244971cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda} 245071cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda 245180d5c3689b886308247da295a228a54df49a44f6Patrick McHardystatic int sh_eth_vlan_rx_add_vid(struct net_device *ndev, 245280d5c3689b886308247da295a228a54df49a44f6Patrick McHardy __be16 proto, u16 vid) 245371cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda{ 245471cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 245571cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda int vtag_reg_index = sh_eth_get_vtag_index(mdp); 245671cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda 245771cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda if (unlikely(!mdp->cd->tsu)) 245871cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda return -EPERM; 245971cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda 246071cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda /* No filtering if vid = 0 */ 246171cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda if (!vid) 246271cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda return 0; 246371cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda 246471cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda mdp->vlan_num_ids++; 246571cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda 246671cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda /* 246771cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda * The controller has one VLAN tag HW filter. So, if the filter is 246871cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda * already enabled, the driver disables it and the filte 246971cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda */ 247071cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda if (mdp->vlan_num_ids > 1) { 247171cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda /* disable VLAN filter */ 247271cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda sh_eth_tsu_write(mdp, 0, vtag_reg_index); 247371cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda return 0; 247471cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda } 247571cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda 247671cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda sh_eth_tsu_write(mdp, TSU_VTAG_ENABLE | (vid & TSU_VTAG_VID_MASK), 247771cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda vtag_reg_index); 247871cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda 247971cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda return 0; 248071cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda} 248171cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda 248280d5c3689b886308247da295a228a54df49a44f6Patrick McHardystatic int sh_eth_vlan_rx_kill_vid(struct net_device *ndev, 248380d5c3689b886308247da295a228a54df49a44f6Patrick McHardy __be16 proto, u16 vid) 248471cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda{ 248571cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 248671cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda int vtag_reg_index = sh_eth_get_vtag_index(mdp); 248771cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda 248871cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda if (unlikely(!mdp->cd->tsu)) 248971cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda return -EPERM; 249071cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda 249171cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda /* No filtering if vid = 0 */ 249271cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda if (!vid) 249371cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda return 0; 249471cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda 249571cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda mdp->vlan_num_ids--; 249671cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda sh_eth_tsu_write(mdp, 0, vtag_reg_index); 249771cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda 249871cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda return 0; 249971cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda} 25004986b996882d82c68ab54b822d7cfdd7dd35f19aYoshihiro Shimoda#endif /* SH_ETH_HAS_TSU */ 250186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 250286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* SuperH's TSU register init function */ 25034a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimodastatic void sh_eth_tsu_init(struct sh_eth_private *mdp) 250486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 25054a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_FWEN0); /* Disable forward(0->1) */ 25064a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_FWEN1); /* Disable forward(1->0) */ 25074a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_FCM); /* forward fifo 3k-3k */ 25084a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0xc, TSU_BSYSL0); 25094a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0xc, TSU_BSYSL1); 25104a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_PRISL0); 25114a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_PRISL1); 25124a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_FWSL0); 25134a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_FWSL1); 25144a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, TSU_FWSLC_POSTENU | TSU_FWSLC_POSTENL, TSU_FWSLC); 2515c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda if (sh_eth_is_gether(mdp)) { 2516c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_QTAG0); /* Disable QTAG(0->1) */ 2517c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_QTAG1); /* Disable QTAG(1->0) */ 2518c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda } else { 2519c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_QTAGM0); /* Disable QTAG(0->1) */ 2520c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_QTAGM1); /* Disable QTAG(1->0) */ 2521c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda } 25224a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_FWSR); /* all interrupt status clear */ 25234a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_FWINMK); /* Disable all interrupt */ 25244a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_TEN); /* Disable all CAM entry */ 25254a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_POST1); /* Disable CAM entry [ 0- 7] */ 25264a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_POST2); /* Disable CAM entry [ 8-15] */ 25274a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_POST3); /* Disable CAM entry [16-23] */ 25284a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_POST4); /* Disable CAM entry [24-31] */ 252986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 253086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 253186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* MDIO bus release function */ 253286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic int sh_mdio_release(struct net_device *ndev) 253386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 253486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct mii_bus *bus = dev_get_drvdata(&ndev->dev); 253586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 253686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* unregister mdio bus */ 253786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdiobus_unregister(bus); 253886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 253986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* remove mdio bus info from net_device */ 254086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu dev_set_drvdata(&ndev->dev, NULL); 254186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 254286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* free bitbang info */ 254386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu free_mdio_bitbang(bus); 254486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 254586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return 0; 254686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 254786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 254886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* MDIO bus init function */ 2549b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimodastatic int sh_mdio_init(struct net_device *ndev, int id, 2550b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda struct sh_eth_plat_data *pd) 255186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 255286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu int ret, i; 255386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct bb_info *bitbang; 255486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 255586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 255686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* create bit control struct for PHY */ 2557d5e07e69218fd9aa21d6c8c5ccc629d92bdb9b0fSergei Shtylyov bitbang = devm_kzalloc(&ndev->dev, sizeof(struct bb_info), 2558d5e07e69218fd9aa21d6c8c5ccc629d92bdb9b0fSergei Shtylyov GFP_KERNEL); 255986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (!bitbang) { 256086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ret = -ENOMEM; 256186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu goto out; 256286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 256386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 256486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* bitbang init */ 2565ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda bitbang->addr = mdp->addr + mdp->reg_offset[PIR]; 2566b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda bitbang->set_gate = pd->set_mdio_gate; 2567dfed5e7fb4ec946694cad7400d75c44f3bb7f645Sergei Shtylyov bitbang->mdi_msk = PIR_MDI; 2568dfed5e7fb4ec946694cad7400d75c44f3bb7f645Sergei Shtylyov bitbang->mdo_msk = PIR_MDO; 2569dfed5e7fb4ec946694cad7400d75c44f3bb7f645Sergei Shtylyov bitbang->mmd_msk = PIR_MMD; 2570dfed5e7fb4ec946694cad7400d75c44f3bb7f645Sergei Shtylyov bitbang->mdc_msk = PIR_MDC; 257186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu bitbang->ctrl.ops = &bb_ops; 257286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 2573c2e07b3a9ced33dd92597201be3931be8ea57ed6Stefan Weil /* MII controller setting */ 257486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->mii_bus = alloc_mdio_bitbang(&bitbang->ctrl); 257586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (!mdp->mii_bus) { 257686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ret = -ENOMEM; 2577d5e07e69218fd9aa21d6c8c5ccc629d92bdb9b0fSergei Shtylyov goto out; 257886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 257986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 258086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Hook up MII support for ethtool */ 258186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->mii_bus->name = "sh_mii"; 258218ee49ddb0d242ed1d0e273038d5e4f6de7379d3Lennert Buytenhek mdp->mii_bus->parent = &ndev->dev; 25835278fb547076ad6768d16c8b4df45c086470c163Florian Fainelli snprintf(mdp->mii_bus->id, MII_BUS_ID_SIZE, "%s-%x", 258434aa6f1400810890636ba0b170effbfa71eacec7Nobuhiro Iwamatsu mdp->pdev->name, id); 258586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 258686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* PHY IRQ */ 2587d5e07e69218fd9aa21d6c8c5ccc629d92bdb9b0fSergei Shtylyov mdp->mii_bus->irq = devm_kzalloc(&ndev->dev, 2588d5e07e69218fd9aa21d6c8c5ccc629d92bdb9b0fSergei Shtylyov sizeof(int) * PHY_MAX_ADDR, 2589d5e07e69218fd9aa21d6c8c5ccc629d92bdb9b0fSergei Shtylyov GFP_KERNEL); 259086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (!mdp->mii_bus->irq) { 259186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ret = -ENOMEM; 259286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu goto out_free_bus; 259386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 259486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 259586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu for (i = 0; i < PHY_MAX_ADDR; i++) 259686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->mii_bus->irq[i] = PHY_POLL; 259786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 25988f6352f2b5aecd4b0af5ef31361af1146f9528d6YOSHIFUJI Hideaki / 吉藤英明 /* register mdio bus */ 259986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ret = mdiobus_register(mdp->mii_bus); 260086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (ret) 2601d5e07e69218fd9aa21d6c8c5ccc629d92bdb9b0fSergei Shtylyov goto out_free_bus; 260286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 260386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu dev_set_drvdata(&ndev->dev, mdp->mii_bus); 260486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 260586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return 0; 260686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 260786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsuout_free_bus: 2608298cf9beb9679522de995e249eccbd82f7c51999Lennert Buytenhek free_mdio_bitbang(mdp->mii_bus); 260986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 261086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsuout: 261186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return ret; 261286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 261386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 26144a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimodastatic const u16 *sh_eth_get_register_offset(int register_type) 26154a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda{ 26164a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda const u16 *reg_offset = NULL; 26174a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda 26184a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda switch (register_type) { 26194a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda case SH_ETH_REG_GIGABIT: 26204a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda reg_offset = sh_eth_offset_gigabit; 26214a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda break; 2622a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov case SH_ETH_REG_FAST_RCAR: 2623a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov reg_offset = sh_eth_offset_fast_rcar; 2624a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov break; 26254a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda case SH_ETH_REG_FAST_SH4: 26264a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda reg_offset = sh_eth_offset_fast_sh4; 26274a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda break; 26284a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda case SH_ETH_REG_FAST_SH3_SH2: 26294a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda reg_offset = sh_eth_offset_fast_sh3_sh2; 26304a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda break; 26314a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda default: 263214c3326a111b948cabc35d523a43a1e6663f6091Nobuhiro Iwamatsu pr_err("Unknown register type (%d)\n", register_type); 26334a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda break; 26344a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda } 26354a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda 26364a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda return reg_offset; 26374a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda} 26384a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda 2639ebf84eaa927be41a440fd4c8f81e1844922bc0b2Alexander Beregalovstatic const struct net_device_ops sh_eth_netdev_ops = { 2640ebf84eaa927be41a440fd4c8f81e1844922bc0b2Alexander Beregalov .ndo_open = sh_eth_open, 2641ebf84eaa927be41a440fd4c8f81e1844922bc0b2Alexander Beregalov .ndo_stop = sh_eth_close, 2642ebf84eaa927be41a440fd4c8f81e1844922bc0b2Alexander Beregalov .ndo_start_xmit = sh_eth_start_xmit, 2643ebf84eaa927be41a440fd4c8f81e1844922bc0b2Alexander Beregalov .ndo_get_stats = sh_eth_get_stats, 2644380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda#if defined(SH_ETH_HAS_TSU) 2645afc4b13df143122f99a0eb10bfefb216c2806de0Jiri Pirko .ndo_set_rx_mode = sh_eth_set_multicast_list, 264671cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda .ndo_vlan_rx_add_vid = sh_eth_vlan_rx_add_vid, 264771cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda .ndo_vlan_rx_kill_vid = sh_eth_vlan_rx_kill_vid, 2648380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda#endif 2649ebf84eaa927be41a440fd4c8f81e1844922bc0b2Alexander Beregalov .ndo_tx_timeout = sh_eth_tx_timeout, 2650ebf84eaa927be41a440fd4c8f81e1844922bc0b2Alexander Beregalov .ndo_do_ioctl = sh_eth_do_ioctl, 2651ebf84eaa927be41a440fd4c8f81e1844922bc0b2Alexander Beregalov .ndo_validate_addr = eth_validate_addr, 2652ebf84eaa927be41a440fd4c8f81e1844922bc0b2Alexander Beregalov .ndo_set_mac_address = eth_mac_addr, 2653ebf84eaa927be41a440fd4c8f81e1844922bc0b2Alexander Beregalov .ndo_change_mtu = eth_change_mtu, 2654ebf84eaa927be41a440fd4c8f81e1844922bc0b2Alexander Beregalov}; 2655ebf84eaa927be41a440fd4c8f81e1844922bc0b2Alexander Beregalov 265686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic int sh_eth_drv_probe(struct platform_device *pdev) 265786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 26589c38657cfcb739b7dc4ce9065a85b4f0c195bef8Kuninori Morimoto int ret, devno = 0; 265986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct resource *res; 266086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct net_device *ndev = NULL; 2661ec0d75518cb06261f1823fa2713fe52b9b26455eKuninori Morimoto struct sh_eth_private *mdp = NULL; 2662564044b0928d46a87774c246ae80cb3cead9264dSergei Shtylyov struct sh_eth_plat_data *pd = pdev->dev.platform_data; 266386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 266486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* get base addr */ 266586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu res = platform_get_resource(pdev, IORESOURCE_MEM, 0); 266686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (unlikely(res == NULL)) { 266786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu dev_err(&pdev->dev, "invalid resource\n"); 266886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ret = -EINVAL; 266986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu goto out; 267086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 267186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 267286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ndev = alloc_etherdev(sizeof(struct sh_eth_private)); 267386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (!ndev) { 267486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ret = -ENOMEM; 267586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu goto out; 267686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 267786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 267886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* The sh Ether-specific entries in the device structure. */ 267986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ndev->base_addr = res->start; 268086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu devno = pdev->id; 268186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (devno < 0) 268286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu devno = 0; 268386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 268486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ndev->dma = -1; 2685cc3c080d9f4484021e7b14f99de94a8c85a668d5roel kluin ret = platform_get_irq(pdev, 0); 2686cc3c080d9f4484021e7b14f99de94a8c85a668d5roel kluin if (ret < 0) { 268786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ret = -ENODEV; 268886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu goto out_release; 268986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 2690cc3c080d9f4484021e7b14f99de94a8c85a668d5roel kluin ndev->irq = ret; 269186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 269286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu SET_NETDEV_DEV(ndev, &pdev->dev); 269386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 269486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Fill in the fields of the device structure with ethernet values. */ 269586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ether_setup(ndev); 269686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 269786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp = netdev_priv(ndev); 2698525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda mdp->num_tx_ring = TX_RING_SIZE; 2699525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda mdp->num_rx_ring = RX_RING_SIZE; 2700d5e07e69218fd9aa21d6c8c5ccc629d92bdb9b0fSergei Shtylyov mdp->addr = devm_ioremap_resource(&pdev->dev, res); 2701d5e07e69218fd9aa21d6c8c5ccc629d92bdb9b0fSergei Shtylyov if (IS_ERR(mdp->addr)) { 2702d5e07e69218fd9aa21d6c8c5ccc629d92bdb9b0fSergei Shtylyov ret = PTR_ERR(mdp->addr); 2703ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda goto out_release; 2704ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda } 2705ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda 270686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu spin_lock_init(&mdp->lock); 2707bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm mdp->pdev = pdev; 2708bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm pm_runtime_enable(&pdev->dev); 2709bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm pm_runtime_resume(&pdev->dev); 271086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 271186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* get PHY ID */ 271271557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato mdp->phy_id = pd->phy; 2713e47c90523484518aac30498150e427d824ace705Yoshihiro Shimoda mdp->phy_interface = pd->phy_interface; 271471557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato /* EDMAC endian */ 271571557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato mdp->edmac_endian = pd->edmac_endian; 27164923576b8ac5bfd36ab2beb176aeb747aaab7e41Yoshihiro Shimoda mdp->no_ether_link = pd->no_ether_link; 27174923576b8ac5bfd36ab2beb176aeb747aaab7e41Yoshihiro Shimoda mdp->ether_link_active_low = pd->ether_link_active_low; 27184a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda mdp->reg_offset = sh_eth_get_register_offset(pd->register_type); 271986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 2720380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda /* set cpu data */ 27218fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda#if defined(SH_ETH_HAS_BOTH_MODULES) 27228fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda mdp->cd = sh_eth_get_cpu_data(mdp); 27238fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda#else 2724380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda mdp->cd = &sh_eth_my_cpu_data; 27258fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda#endif 2726380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda sh_eth_set_default_cpu_data(mdp->cd); 2727380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 272886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* set function */ 2729ebf84eaa927be41a440fd4c8f81e1844922bc0b2Alexander Beregalov ndev->netdev_ops = &sh_eth_netdev_ops; 2730dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu SET_ETHTOOL_OPS(ndev, &sh_eth_ethtool_ops); 273186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ndev->watchdog_timeo = TX_TIMEOUT; 273286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 2733dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu /* debug message level */ 2734dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu mdp->msg_enable = SH_ETH_DEF_MSG_ENABLE; 273586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 273686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* read and set MAC address */ 2737748031f9fd2c06b28817d80761a5de97190cfd03Magnus Damm read_mac_address(ndev, pd->mac_addr); 273886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 27396ba88021c36516c26c11eff8c6d7d9a045faecd3Yoshihiro Shimoda /* ioremap the TSU registers */ 27406ba88021c36516c26c11eff8c6d7d9a045faecd3Yoshihiro Shimoda if (mdp->cd->tsu) { 27416ba88021c36516c26c11eff8c6d7d9a045faecd3Yoshihiro Shimoda struct resource *rtsu; 27426ba88021c36516c26c11eff8c6d7d9a045faecd3Yoshihiro Shimoda rtsu = platform_get_resource(pdev, IORESOURCE_MEM, 1); 27436ba88021c36516c26c11eff8c6d7d9a045faecd3Yoshihiro Shimoda if (!rtsu) { 27446ba88021c36516c26c11eff8c6d7d9a045faecd3Yoshihiro Shimoda dev_err(&pdev->dev, "Not found TSU resource\n"); 2745043c4789726e6abb5be6115cb054af4926481952Peter Senna Tschudin ret = -ENODEV; 27466ba88021c36516c26c11eff8c6d7d9a045faecd3Yoshihiro Shimoda goto out_release; 27476ba88021c36516c26c11eff8c6d7d9a045faecd3Yoshihiro Shimoda } 2748d5e07e69218fd9aa21d6c8c5ccc629d92bdb9b0fSergei Shtylyov mdp->tsu_addr = devm_ioremap_resource(&pdev->dev, rtsu); 2749d5e07e69218fd9aa21d6c8c5ccc629d92bdb9b0fSergei Shtylyov if (IS_ERR(mdp->tsu_addr)) { 2750d5e07e69218fd9aa21d6c8c5ccc629d92bdb9b0fSergei Shtylyov ret = PTR_ERR(mdp->tsu_addr); 2751fc0c0900408e05758a0df17c1924ca837fafca5eSergei Shtylyov goto out_release; 2752fc0c0900408e05758a0df17c1924ca837fafca5eSergei Shtylyov } 27536743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda mdp->port = devno % 2; 2754f646968f8f7c624587de729115d802372b9063ddPatrick McHardy ndev->features = NETIF_F_HW_VLAN_CTAG_FILTER; 27556ba88021c36516c26c11eff8c6d7d9a045faecd3Yoshihiro Shimoda } 27566ba88021c36516c26c11eff8c6d7d9a045faecd3Yoshihiro Shimoda 2757150647fb2c313d7c5184fca3fa0829a4a7d6f7bcYoshihiro Shimoda /* initialize first or needed device */ 2758150647fb2c313d7c5184fca3fa0829a4a7d6f7bcYoshihiro Shimoda if (!devno || pd->needs_init) { 2759380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (mdp->cd->chip_reset) 2760380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda mdp->cd->chip_reset(ndev); 276186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 27624986b996882d82c68ab54b822d7cfdd7dd35f19aYoshihiro Shimoda if (mdp->cd->tsu) { 27634986b996882d82c68ab54b822d7cfdd7dd35f19aYoshihiro Shimoda /* TSU init (Init only)*/ 27644986b996882d82c68ab54b822d7cfdd7dd35f19aYoshihiro Shimoda sh_eth_tsu_init(mdp); 27654986b996882d82c68ab54b822d7cfdd7dd35f19aYoshihiro Shimoda } 276686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 276786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 276886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* network device register */ 276986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ret = register_netdev(ndev); 277086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (ret) 277186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu goto out_release; 277286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 277386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* mdio bus init */ 2774b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda ret = sh_mdio_init(ndev, pdev->id, pd); 277586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (ret) 277686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu goto out_unregister; 277786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 277825985edcedea6396277003854657b5f3cb31a628Lucas De Marchi /* print device information */ 27796cd9b49d7328c4656bfc17fcb47fb814955d40d2H Hartley Sweeten pr_info("Base address at 0x%x, %pM, IRQ %d.\n", 27806cd9b49d7328c4656bfc17fcb47fb814955d40d2H Hartley Sweeten (u32)ndev->base_addr, ndev->dev_addr, ndev->irq); 278186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 278286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu platform_set_drvdata(pdev, ndev); 278386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 278486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return ret; 278586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 278686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsuout_unregister: 278786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu unregister_netdev(ndev); 278886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 278986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsuout_release: 279086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* net_dev free */ 279186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (ndev) 279286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu free_netdev(ndev); 279386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 279486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsuout: 279586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return ret; 279686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 279786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 279886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic int sh_eth_drv_remove(struct platform_device *pdev) 279986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 280086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct net_device *ndev = platform_get_drvdata(pdev); 280186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 280286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu sh_mdio_release(ndev); 280386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu unregister_netdev(ndev); 2804bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm pm_runtime_disable(&pdev->dev); 280586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu free_netdev(ndev); 280686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu platform_set_drvdata(pdev, NULL); 280786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 280886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return 0; 280986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 281086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 2811bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Dammstatic int sh_eth_runtime_nop(struct device *dev) 2812bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm{ 2813bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm /* 2814bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm * Runtime PM callback shared between ->runtime_suspend() 2815bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm * and ->runtime_resume(). Simply returns success. 2816bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm * 2817bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm * This driver re-initializes all registers after 2818bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm * pm_runtime_get_sync() anyway so there is no need 2819bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm * to save and restore registers here. 2820bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm */ 2821bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm return 0; 2822bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm} 2823bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm 2824bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Dammstatic struct dev_pm_ops sh_eth_dev_pm_ops = { 2825bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm .runtime_suspend = sh_eth_runtime_nop, 2826bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm .runtime_resume = sh_eth_runtime_nop, 2827bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm}; 2828bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm 282986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic struct platform_driver sh_eth_driver = { 283086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu .probe = sh_eth_drv_probe, 283186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu .remove = sh_eth_drv_remove, 283286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu .driver = { 283386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu .name = CARDNAME, 2834bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm .pm = &sh_eth_dev_pm_ops, 283586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu }, 283686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu}; 283786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 2838db62f684deeb291ab2533b99843d5df9a36b1f19Axel Linmodule_platform_driver(sh_eth_driver); 283986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 284086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro IwamatsuMODULE_AUTHOR("Nobuhiro Iwamatsu, Yoshihiro Shimoda"); 284186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro IwamatsuMODULE_DESCRIPTION("Renesas SuperH Ethernet driver"); 284286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro IwamatsuMODULE_LICENSE("GPL v2"); 2843