sh_eth.c revision e403d295817cf9f8be3110eb7ee1a03981287495
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 316dabdde9ea77d4a77094726c82468a3bd767fb29bNobuhiro Iwamatsustatic int sh_eth_is_gether(struct sh_eth_private *mdp) 317dabdde9ea77d4a77094726c82468a3bd767fb29bNobuhiro Iwamatsu{ 318dabdde9ea77d4a77094726c82468a3bd767fb29bNobuhiro Iwamatsu if (mdp->reg_offset == sh_eth_offset_gigabit) 319dabdde9ea77d4a77094726c82468a3bd767fb29bNobuhiro Iwamatsu return 1; 320dabdde9ea77d4a77094726c82468a3bd767fb29bNobuhiro Iwamatsu else 321dabdde9ea77d4a77094726c82468a3bd767fb29bNobuhiro Iwamatsu return 0; 322dabdde9ea77d4a77094726c82468a3bd767fb29bNobuhiro Iwamatsu} 323dabdde9ea77d4a77094726c82468a3bd767fb29bNobuhiro Iwamatsu 324b7feacf1ee6944fc571802d58dcffaf13b4fb4ccNobuhiro Iwamatsustatic void __maybe_unused sh_eth_select_mii(struct net_device *ndev) 3255e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu{ 3265e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu u32 value = 0x0; 3275e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 3285e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu 3295e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu switch (mdp->phy_interface) { 3305e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu case PHY_INTERFACE_MODE_GMII: 3315e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu value = 0x2; 3325e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu break; 3335e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu case PHY_INTERFACE_MODE_MII: 3345e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu value = 0x1; 3355e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu break; 3365e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu case PHY_INTERFACE_MODE_RMII: 3375e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu value = 0x0; 3385e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu break; 3395e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu default: 3405e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu pr_warn("PHY interface mode was not setup. Set to MII.\n"); 3415e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu value = 0x1; 3425e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu break; 3435e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu } 3445e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu 3455e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu sh_eth_write(ndev, value, RMII_MII); 3465e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu} 3475e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu 34804b0ed2ad49834fe47d3c4171ad189c688a222b9Nobuhiro Iwamatsustatic void __maybe_unused sh_eth_set_duplex(struct net_device *ndev) 34965ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda{ 35065ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 35165ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda 35265ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda if (mdp->duplex) /* Full */ 3534a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, ECMR) | ECMR_DM, ECMR); 35465ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda else /* Half */ 3554a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, ECMR) & ~ECMR_DM, ECMR); 35665ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda} 35765ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda 35804b0ed2ad49834fe47d3c4171ad189c688a222b9Nobuhiro Iwamatsu/* There is CPU dependent code */ 359589ebdef7e3107401bf96a9c660753d397329ee9Sergei Shtylyovstatic void sh_eth_set_rate_r8a777x(struct net_device *ndev) 36065ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda{ 36165ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 362d0418bb7123f44b23d69ac349eec7daf9103472fPhil Edworthy 363a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov switch (mdp->speed) { 364a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov case 10: /* 10BASE */ 365a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov sh_eth_write(ndev, sh_eth_read(ndev, ECMR) & ~ECMR_ELB, ECMR); 366a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov break; 367a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov case 100:/* 100BASE */ 368a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov sh_eth_write(ndev, sh_eth_read(ndev, ECMR) | ECMR_ELB, ECMR); 369a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov break; 370a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov default: 371a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov break; 372a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov } 373a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov} 374a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov 375674853b222168f2066db028cad89ab52cbcdeee5Sergei Shtylyov/* R8A7778/9 */ 376589ebdef7e3107401bf96a9c660753d397329ee9Sergei Shtylyovstatic struct sh_eth_cpu_data r8a777x_data = { 377a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov .set_duplex = sh_eth_set_duplex, 378589ebdef7e3107401bf96a9c660753d397329ee9Sergei Shtylyov .set_rate = sh_eth_set_rate_r8a777x, 379a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov 380a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov .ecsr_value = ECSR_PSRTO | ECSR_LCHNG | ECSR_ICD, 381a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov .ecsipr_value = ECSIPR_PSRTOIP | ECSIPR_LCHNGIP | ECSIPR_ICDIP, 382a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov .eesipr_value = 0x01ff009f, 383a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov 384a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov .tx_check = EESR_FTC | EESR_CND | EESR_DLC | EESR_CD | EESR_RTO, 385a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov .eesr_err_check = EESR_TWB | EESR_TABT | EESR_RABT | EESR_RDE | 386a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov EESR_RFRMER | EESR_TFE | EESR_TDE | EESR_ECI, 387a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov .tx_error_check = EESR_TWB | EESR_TABT | EESR_TDE | EESR_TFE, 388a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov 389a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov .apr = 1, 390a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov .mpr = 1, 391a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov .tpauser = 1, 392a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov .hw_swap = 1, 393a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov}; 394a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov 3959c3beaabb951d672b1534c7f56f84054b088f879Sergei Shtylyovstatic void sh_eth_set_rate_sh7724(struct net_device *ndev) 396a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov{ 397a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov struct sh_eth_private *mdp = netdev_priv(ndev); 39865ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda 39965ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda switch (mdp->speed) { 40065ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda case 10: /* 10BASE */ 401a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov sh_eth_write(ndev, sh_eth_read(ndev, ECMR) & ~ECMR_RTM, ECMR); 40265ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda break; 40365ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda case 100:/* 100BASE */ 404a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov sh_eth_write(ndev, sh_eth_read(ndev, ECMR) | ECMR_RTM, ECMR); 40565ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda break; 40665ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda default: 40765ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda break; 40865ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda } 40965ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda} 41065ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda 41165ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda/* SH7724 */ 4129c3beaabb951d672b1534c7f56f84054b088f879Sergei Shtylyovstatic struct sh_eth_cpu_data sh7724_data = { 41365ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda .set_duplex = sh_eth_set_duplex, 4149c3beaabb951d672b1534c7f56f84054b088f879Sergei Shtylyov .set_rate = sh_eth_set_rate_sh7724, 41565ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda 41665ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda .ecsr_value = ECSR_PSRTO | ECSR_LCHNG | ECSR_ICD, 41765ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda .ecsipr_value = ECSIPR_PSRTOIP | ECSIPR_LCHNGIP | ECSIPR_ICDIP, 41865ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda .eesipr_value = DMAC_M_RFRMER | DMAC_M_ECI | 0x01ff009f, 41965ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda 42065ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda .tx_check = EESR_FTC | EESR_CND | EESR_DLC | EESR_CD | EESR_RTO, 42165ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda .eesr_err_check = EESR_TWB | EESR_TABT | EESR_RABT | EESR_RDE | 42265ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda EESR_RFRMER | EESR_TFE | EESR_TDE | EESR_ECI, 42365ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda .tx_error_check = EESR_TWB | EESR_TABT | EESR_TDE | EESR_TFE, 42465ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda 42565ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda .apr = 1, 42665ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda .mpr = 1, 42765ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda .tpauser = 1, 42865ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda .hw_swap = 1, 429503914cf4a4b5dbe3f844e0a92f412ae99fde70eMagnus Damm .rpadir = 1, 430503914cf4a4b5dbe3f844e0a92f412ae99fde70eMagnus Damm .rpadir_value = 0x00020000, /* NET_IP_ALIGN assumed to be 2 */ 43165ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda}; 4325cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu 43324549e2a0f33628b5160eac16c6aebf1cfaf22f1Sergei Shtylyovstatic void sh_eth_set_rate_sh7757(struct net_device *ndev) 434f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda{ 435f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 436f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda 437f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda switch (mdp->speed) { 438f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda case 10: /* 10BASE */ 4394a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 0, RTRATE); 440f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda break; 441f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda case 100:/* 100BASE */ 4424a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 1, RTRATE); 443f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda break; 444f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda default: 445f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda break; 446f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda } 447f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda} 448f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda 449f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda/* SH7757 */ 45024549e2a0f33628b5160eac16c6aebf1cfaf22f1Sergei Shtylyovstatic struct sh_eth_cpu_data sh7757_data = { 45124549e2a0f33628b5160eac16c6aebf1cfaf22f1Sergei Shtylyov .set_duplex = sh_eth_set_duplex, 45224549e2a0f33628b5160eac16c6aebf1cfaf22f1Sergei Shtylyov .set_rate = sh_eth_set_rate_sh7757, 453f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda 454f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda .eesipr_value = DMAC_M_RFRMER | DMAC_M_ECI | 0x003fffff, 455f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda .rmcr_value = 0x00000001, 456f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda 457f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda .tx_check = EESR_FTC | EESR_CND | EESR_DLC | EESR_CD | EESR_RTO, 458f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda .eesr_err_check = EESR_TWB | EESR_TABT | EESR_RABT | EESR_RDE | 459f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda EESR_RFRMER | EESR_TFE | EESR_TDE | EESR_ECI, 460f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda .tx_error_check = EESR_TWB | EESR_TABT | EESR_TDE | EESR_TFE, 461f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda 4625b3dfd13ae8bdebea67c02612fe282baff850bb0Nobuhiro Iwamatsu .irq_flags = IRQF_SHARED, 463f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda .apr = 1, 464f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda .mpr = 1, 465f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda .tpauser = 1, 466f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda .hw_swap = 1, 467f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda .no_ade = 1, 4682e98e7974de208de0dab9e9969bd47576d07ff10Yoshihiro Shimoda .rpadir = 1, 4692e98e7974de208de0dab9e9969bd47576d07ff10Yoshihiro Shimoda .rpadir_value = 2 << 16, 470f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda}; 47165ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda 472e403d295817cf9f8be3110eb7ee1a03981287495David S. Miller#define SH_GIGA_ETH_BASE 0xfee00000UL 4738fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda#define GIGA_MALR(port) (SH_GIGA_ETH_BASE + 0x800 * (port) + 0x05c8) 4748fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda#define GIGA_MAHR(port) (SH_GIGA_ETH_BASE + 0x800 * (port) + 0x05c0) 4758fcd496151b4354569283056076339239b86fabeYoshihiro Shimodastatic void sh_eth_chip_reset_giga(struct net_device *ndev) 4768fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda{ 4778fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda int i; 4788fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda unsigned long mahr[2], malr[2]; 4798fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda 4808fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda /* save MAHR and MALR */ 4818fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda for (i = 0; i < 2; i++) { 482ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda malr[i] = ioread32((void *)GIGA_MALR(i)); 483ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda mahr[i] = ioread32((void *)GIGA_MAHR(i)); 4848fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda } 4858fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda 4868fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda /* reset device */ 487ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda iowrite32(ARSTR_ARSTR, (void *)(SH_GIGA_ETH_BASE + 0x1800)); 4888fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda mdelay(1); 4898fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda 4908fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda /* restore MAHR and MALR */ 4918fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda for (i = 0; i < 2; i++) { 492ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda iowrite32(malr[i], (void *)GIGA_MALR(i)); 493ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda iowrite32(mahr[i], (void *)GIGA_MAHR(i)); 4948fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda } 4958fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda} 4968fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda 4978fcd496151b4354569283056076339239b86fabeYoshihiro Shimodastatic void sh_eth_set_rate_giga(struct net_device *ndev) 4988fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda{ 4998fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 5008fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda 5018fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda switch (mdp->speed) { 5028fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda case 10: /* 10BASE */ 5038fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda sh_eth_write(ndev, 0x00000000, GECMR); 5048fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda break; 5058fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda case 100:/* 100BASE */ 5068fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda sh_eth_write(ndev, 0x00000010, GECMR); 5078fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda break; 5088fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda case 1000: /* 1000BASE */ 5098fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda sh_eth_write(ndev, 0x00000020, GECMR); 5108fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda break; 5118fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda default: 5128fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda break; 5138fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda } 5148fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda} 5158fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda 5168fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda/* SH7757(GETHERC) */ 51724549e2a0f33628b5160eac16c6aebf1cfaf22f1Sergei Shtylyovstatic struct sh_eth_cpu_data sh7757_data_giga = { 5188fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda .chip_reset = sh_eth_chip_reset_giga, 51904b0ed2ad49834fe47d3c4171ad189c688a222b9Nobuhiro Iwamatsu .set_duplex = sh_eth_set_duplex, 5208fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda .set_rate = sh_eth_set_rate_giga, 5218fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda 5228fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda .ecsr_value = ECSR_ICD | ECSR_MPD, 5238fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda .ecsipr_value = ECSIPR_LCHNGIP | ECSIPR_ICDIP | ECSIPR_MPDIP, 5248fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda .eesipr_value = DMAC_M_RFRMER | DMAC_M_ECI | 0x003fffff, 5258fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda 5268fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda .tx_check = EESR_TC1 | EESR_FTC, 5278fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda .eesr_err_check = EESR_TWB1 | EESR_TWB | EESR_TABT | EESR_RABT | \ 5288fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda EESR_RDE | EESR_RFRMER | EESR_TFE | EESR_TDE | \ 5298fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda EESR_ECI, 5308fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda .tx_error_check = EESR_TWB1 | EESR_TWB | EESR_TABT | EESR_TDE | \ 5318fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda EESR_TFE, 5328fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda .fdr_value = 0x0000072f, 5338fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda .rmcr_value = 0x00000001, 5348fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda 5355b3dfd13ae8bdebea67c02612fe282baff850bb0Nobuhiro Iwamatsu .irq_flags = IRQF_SHARED, 5368fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda .apr = 1, 5378fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda .mpr = 1, 5388fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda .tpauser = 1, 5398fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda .bculr = 1, 5408fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda .hw_swap = 1, 5418fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda .rpadir = 1, 5428fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda .rpadir_value = 2 << 16, 5438fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda .no_trimd = 1, 5448fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda .no_ade = 1, 5453acbc9715a5ac8a2534a69eb3488b63b7c9fb1e2Yoshihiro Shimoda .tsu = 1, 5468fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda}; 5478fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda 548380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimodastatic void sh_eth_chip_reset(struct net_device *ndev) 549380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda{ 5504986b996882d82c68ab54b822d7cfdd7dd35f19aYoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 5514986b996882d82c68ab54b822d7cfdd7dd35f19aYoshihiro Shimoda 552380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda /* reset device */ 5534986b996882d82c68ab54b822d7cfdd7dd35f19aYoshihiro Shimoda sh_eth_tsu_write(mdp, ARSTR_ARSTR, ARSTR); 554380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda mdelay(1); 555380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda} 556380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 557f5d12767c8fd77e29d3d6771de59fd9ac3e540bbSergei Shtylyovstatic void sh_eth_set_rate_gether(struct net_device *ndev) 558380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda{ 559380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 560380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 561380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda switch (mdp->speed) { 562380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda case 10: /* 10BASE */ 5634a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, GECMR_10, GECMR); 564380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda break; 565380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda case 100:/* 100BASE */ 5664a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, GECMR_100, GECMR); 567380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda break; 568380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda case 1000: /* 1000BASE */ 5694a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, GECMR_1000, GECMR); 570380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda break; 571380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda default: 572380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda break; 573380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda } 574380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda} 575380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 576f5d12767c8fd77e29d3d6771de59fd9ac3e540bbSergei Shtylyov/* SH7734 */ 577f5d12767c8fd77e29d3d6771de59fd9ac3e540bbSergei Shtylyovstatic struct sh_eth_cpu_data sh7734_data = { 578380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .chip_reset = sh_eth_chip_reset, 579380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .set_duplex = sh_eth_set_duplex, 580f5d12767c8fd77e29d3d6771de59fd9ac3e540bbSergei Shtylyov .set_rate = sh_eth_set_rate_gether, 581f5d12767c8fd77e29d3d6771de59fd9ac3e540bbSergei Shtylyov 582f5d12767c8fd77e29d3d6771de59fd9ac3e540bbSergei Shtylyov .ecsr_value = ECSR_ICD | ECSR_MPD, 583f5d12767c8fd77e29d3d6771de59fd9ac3e540bbSergei Shtylyov .ecsipr_value = ECSIPR_LCHNGIP | ECSIPR_ICDIP | ECSIPR_MPDIP, 584f5d12767c8fd77e29d3d6771de59fd9ac3e540bbSergei Shtylyov .eesipr_value = DMAC_M_RFRMER | DMAC_M_ECI | 0x003fffff, 585f5d12767c8fd77e29d3d6771de59fd9ac3e540bbSergei Shtylyov 586f5d12767c8fd77e29d3d6771de59fd9ac3e540bbSergei Shtylyov .tx_check = EESR_TC1 | EESR_FTC, 587f5d12767c8fd77e29d3d6771de59fd9ac3e540bbSergei Shtylyov .eesr_err_check = EESR_TWB1 | EESR_TWB | EESR_TABT | EESR_RABT | \ 588f5d12767c8fd77e29d3d6771de59fd9ac3e540bbSergei Shtylyov EESR_RDE | EESR_RFRMER | EESR_TFE | EESR_TDE | \ 589f5d12767c8fd77e29d3d6771de59fd9ac3e540bbSergei Shtylyov EESR_ECI, 590f5d12767c8fd77e29d3d6771de59fd9ac3e540bbSergei Shtylyov .tx_error_check = EESR_TWB1 | EESR_TWB | EESR_TABT | EESR_TDE | \ 591f5d12767c8fd77e29d3d6771de59fd9ac3e540bbSergei Shtylyov EESR_TFE, 592f5d12767c8fd77e29d3d6771de59fd9ac3e540bbSergei Shtylyov 593f5d12767c8fd77e29d3d6771de59fd9ac3e540bbSergei Shtylyov .apr = 1, 594f5d12767c8fd77e29d3d6771de59fd9ac3e540bbSergei Shtylyov .mpr = 1, 595f5d12767c8fd77e29d3d6771de59fd9ac3e540bbSergei Shtylyov .tpauser = 1, 596f5d12767c8fd77e29d3d6771de59fd9ac3e540bbSergei Shtylyov .bculr = 1, 597f5d12767c8fd77e29d3d6771de59fd9ac3e540bbSergei Shtylyov .hw_swap = 1, 598f5d12767c8fd77e29d3d6771de59fd9ac3e540bbSergei Shtylyov .no_trimd = 1, 599f5d12767c8fd77e29d3d6771de59fd9ac3e540bbSergei Shtylyov .no_ade = 1, 600f5d12767c8fd77e29d3d6771de59fd9ac3e540bbSergei Shtylyov .tsu = 1, 601f5d12767c8fd77e29d3d6771de59fd9ac3e540bbSergei Shtylyov .hw_crc = 1, 602f5d12767c8fd77e29d3d6771de59fd9ac3e540bbSergei Shtylyov .select_mii = 1, 603f5d12767c8fd77e29d3d6771de59fd9ac3e540bbSergei Shtylyov}; 604f5d12767c8fd77e29d3d6771de59fd9ac3e540bbSergei Shtylyov 605f5d12767c8fd77e29d3d6771de59fd9ac3e540bbSergei Shtylyov/* SH7763 */ 606f5d12767c8fd77e29d3d6771de59fd9ac3e540bbSergei Shtylyovstatic struct sh_eth_cpu_data sh7763_data = { 607f5d12767c8fd77e29d3d6771de59fd9ac3e540bbSergei Shtylyov .chip_reset = sh_eth_chip_reset, 608f5d12767c8fd77e29d3d6771de59fd9ac3e540bbSergei Shtylyov .set_duplex = sh_eth_set_duplex, 609f5d12767c8fd77e29d3d6771de59fd9ac3e540bbSergei Shtylyov .set_rate = sh_eth_set_rate_gether, 610380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 611380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .ecsr_value = ECSR_ICD | ECSR_MPD, 612380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .ecsipr_value = ECSIPR_LCHNGIP | ECSIPR_ICDIP | ECSIPR_MPDIP, 613380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .eesipr_value = DMAC_M_RFRMER | DMAC_M_ECI | 0x003fffff, 614380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 615380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .tx_check = EESR_TC1 | EESR_FTC, 616380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .eesr_err_check = EESR_TWB1 | EESR_TWB | EESR_TABT | EESR_RABT | \ 617380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda EESR_RDE | EESR_RFRMER | EESR_TFE | EESR_TDE | \ 618380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda EESR_ECI, 619380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .tx_error_check = EESR_TWB1 | EESR_TWB | EESR_TABT | EESR_TDE | \ 620380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda EESR_TFE, 621380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 622380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .apr = 1, 623380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .mpr = 1, 624380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .tpauser = 1, 625380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .bculr = 1, 626380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .hw_swap = 1, 627380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .no_trimd = 1, 628380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .no_ade = 1, 6294986b996882d82c68ab54b822d7cfdd7dd35f19aYoshihiro Shimoda .tsu = 1, 6305b3dfd13ae8bdebea67c02612fe282baff850bb0Nobuhiro Iwamatsu .irq_flags = IRQF_SHARED, 631380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda}; 632380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 633e5c9b4cd665106d9b5397114ea81a53059410b6aSergei Shtylyovstatic void sh_eth_chip_reset_r8a7740(struct net_device *ndev) 63473a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda{ 63573a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 63673a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda 63773a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda /* reset device */ 63873a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda sh_eth_tsu_write(mdp, ARSTR_ARSTR, ARSTR); 63973a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda mdelay(1); 64073a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda 6415e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu sh_eth_select_mii(ndev); 64273a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda} 64373a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda 64473a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda/* R8A7740 */ 645e5c9b4cd665106d9b5397114ea81a53059410b6aSergei Shtylyovstatic struct sh_eth_cpu_data r8a7740_data = { 646e5c9b4cd665106d9b5397114ea81a53059410b6aSergei Shtylyov .chip_reset = sh_eth_chip_reset_r8a7740, 64773a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda .set_duplex = sh_eth_set_duplex, 648e5c9b4cd665106d9b5397114ea81a53059410b6aSergei Shtylyov .set_rate = sh_eth_set_rate_gether, 64973a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda 65073a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda .ecsr_value = ECSR_ICD | ECSR_MPD, 65173a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda .ecsipr_value = ECSIPR_LCHNGIP | ECSIPR_ICDIP | ECSIPR_MPDIP, 65273a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda .eesipr_value = DMAC_M_RFRMER | DMAC_M_ECI | 0x003fffff, 65373a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda 65473a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda .tx_check = EESR_TC1 | EESR_FTC, 65573a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda .eesr_err_check = EESR_TWB1 | EESR_TWB | EESR_TABT | EESR_RABT | \ 65673a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda EESR_RDE | EESR_RFRMER | EESR_TFE | EESR_TDE | \ 65773a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda EESR_ECI, 65873a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda .tx_error_check = EESR_TWB1 | EESR_TWB | EESR_TABT | EESR_TDE | \ 65973a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda EESR_TFE, 66073a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda 66173a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda .apr = 1, 66273a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda .mpr = 1, 66373a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda .tpauser = 1, 66473a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda .bculr = 1, 66573a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda .hw_swap = 1, 66673a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda .no_trimd = 1, 66773a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda .no_ade = 1, 66873a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda .tsu = 1, 6695e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu .select_mii = 1, 67073a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda}; 67173a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda 672c18a79abe31f555ec3b363b5b8c1d003230053b6Sergei Shtylyovstatic struct sh_eth_cpu_data sh7619_data = { 673380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .eesipr_value = DMAC_M_RFRMER | DMAC_M_ECI | 0x003fffff, 674380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 675380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .apr = 1, 676380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .mpr = 1, 677380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .tpauser = 1, 678380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .hw_swap = 1, 679380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda}; 6807bbe150d8c57c59689c8c50fd7b9915f4a7e10daSergei Shtylyov 6817bbe150d8c57c59689c8c50fd7b9915f4a7e10daSergei Shtylyovstatic struct sh_eth_cpu_data sh771x_data = { 682380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .eesipr_value = DMAC_M_RFRMER | DMAC_M_ECI | 0x003fffff, 6834986b996882d82c68ab54b822d7cfdd7dd35f19aYoshihiro Shimoda .tsu = 1, 684380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda}; 685380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 686380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimodastatic void sh_eth_set_default_cpu_data(struct sh_eth_cpu_data *cd) 687380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda{ 688380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (!cd->ecsr_value) 689380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda cd->ecsr_value = DEFAULT_ECSR_INIT; 690380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 691380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (!cd->ecsipr_value) 692380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda cd->ecsipr_value = DEFAULT_ECSIPR_INIT; 693380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 694380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (!cd->fcftr_value) 695380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda cd->fcftr_value = DEFAULT_FIFO_F_D_RFF | \ 696380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda DEFAULT_FIFO_F_D_RFD; 697380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 698380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (!cd->fdr_value) 699380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda cd->fdr_value = DEFAULT_FDR_INIT; 700380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 701380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (!cd->rmcr_value) 702380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda cd->rmcr_value = DEFAULT_RMCR_VALUE; 703380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 704380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (!cd->tx_check) 705380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda cd->tx_check = DEFAULT_TX_CHECK; 706380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 707380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (!cd->eesr_err_check) 708380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda cd->eesr_err_check = DEFAULT_EESR_ERR_CHECK; 709380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 710380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (!cd->tx_error_check) 711380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda cd->tx_error_check = DEFAULT_TX_ERROR_CHECK; 712380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda} 713380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 7145cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsustatic int sh_eth_check_reset(struct net_device *ndev) 7155cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu{ 7165cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu int ret = 0; 7175cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu int cnt = 100; 7185cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu 7195cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu while (cnt > 0) { 7205cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu if (!(sh_eth_read(ndev, EDMR) & 0x3)) 7215cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu break; 7225cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu mdelay(1); 7235cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu cnt--; 7245cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu } 7255cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu if (cnt < 0) { 72614c3326a111b948cabc35d523a43a1e6663f6091Nobuhiro Iwamatsu pr_err("Device reset fail\n"); 7275cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu ret = -ETIMEDOUT; 7285cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu } 7295cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu return ret; 730380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda} 731dabdde9ea77d4a77094726c82468a3bd767fb29bNobuhiro Iwamatsu 732dabdde9ea77d4a77094726c82468a3bd767fb29bNobuhiro Iwamatsustatic int sh_eth_reset(struct net_device *ndev) 733dabdde9ea77d4a77094726c82468a3bd767fb29bNobuhiro Iwamatsu{ 734dabdde9ea77d4a77094726c82468a3bd767fb29bNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 735dabdde9ea77d4a77094726c82468a3bd767fb29bNobuhiro Iwamatsu int ret = 0; 736dabdde9ea77d4a77094726c82468a3bd767fb29bNobuhiro Iwamatsu 737dabdde9ea77d4a77094726c82468a3bd767fb29bNobuhiro Iwamatsu if (sh_eth_is_gether(mdp)) { 738dabdde9ea77d4a77094726c82468a3bd767fb29bNobuhiro Iwamatsu sh_eth_write(ndev, EDSR_ENALL, EDSR); 739dabdde9ea77d4a77094726c82468a3bd767fb29bNobuhiro Iwamatsu sh_eth_write(ndev, sh_eth_read(ndev, EDMR) | EDMR_SRST_GETHER, 740dabdde9ea77d4a77094726c82468a3bd767fb29bNobuhiro Iwamatsu EDMR); 741dabdde9ea77d4a77094726c82468a3bd767fb29bNobuhiro Iwamatsu 742dabdde9ea77d4a77094726c82468a3bd767fb29bNobuhiro Iwamatsu ret = sh_eth_check_reset(ndev); 743dabdde9ea77d4a77094726c82468a3bd767fb29bNobuhiro Iwamatsu if (ret) 744dabdde9ea77d4a77094726c82468a3bd767fb29bNobuhiro Iwamatsu goto out; 745dabdde9ea77d4a77094726c82468a3bd767fb29bNobuhiro Iwamatsu 746dabdde9ea77d4a77094726c82468a3bd767fb29bNobuhiro Iwamatsu /* Table Init */ 747dabdde9ea77d4a77094726c82468a3bd767fb29bNobuhiro Iwamatsu sh_eth_write(ndev, 0x0, TDLAR); 748dabdde9ea77d4a77094726c82468a3bd767fb29bNobuhiro Iwamatsu sh_eth_write(ndev, 0x0, TDFAR); 749dabdde9ea77d4a77094726c82468a3bd767fb29bNobuhiro Iwamatsu sh_eth_write(ndev, 0x0, TDFXR); 750dabdde9ea77d4a77094726c82468a3bd767fb29bNobuhiro Iwamatsu sh_eth_write(ndev, 0x0, TDFFR); 751dabdde9ea77d4a77094726c82468a3bd767fb29bNobuhiro Iwamatsu sh_eth_write(ndev, 0x0, RDLAR); 752dabdde9ea77d4a77094726c82468a3bd767fb29bNobuhiro Iwamatsu sh_eth_write(ndev, 0x0, RDFAR); 753dabdde9ea77d4a77094726c82468a3bd767fb29bNobuhiro Iwamatsu sh_eth_write(ndev, 0x0, RDFXR); 754dabdde9ea77d4a77094726c82468a3bd767fb29bNobuhiro Iwamatsu sh_eth_write(ndev, 0x0, RDFFR); 755dabdde9ea77d4a77094726c82468a3bd767fb29bNobuhiro Iwamatsu 756dabdde9ea77d4a77094726c82468a3bd767fb29bNobuhiro Iwamatsu /* Reset HW CRC register */ 757dabdde9ea77d4a77094726c82468a3bd767fb29bNobuhiro Iwamatsu if (mdp->cd->hw_crc) 758dabdde9ea77d4a77094726c82468a3bd767fb29bNobuhiro Iwamatsu sh_eth_write(ndev, 0x0, CSMR); 759dabdde9ea77d4a77094726c82468a3bd767fb29bNobuhiro Iwamatsu 760dabdde9ea77d4a77094726c82468a3bd767fb29bNobuhiro Iwamatsu /* Select MII mode */ 761dabdde9ea77d4a77094726c82468a3bd767fb29bNobuhiro Iwamatsu if (mdp->cd->select_mii) 762dabdde9ea77d4a77094726c82468a3bd767fb29bNobuhiro Iwamatsu sh_eth_select_mii(ndev); 763dabdde9ea77d4a77094726c82468a3bd767fb29bNobuhiro Iwamatsu } else { 764dabdde9ea77d4a77094726c82468a3bd767fb29bNobuhiro Iwamatsu sh_eth_write(ndev, sh_eth_read(ndev, EDMR) | EDMR_SRST_ETHER, 765dabdde9ea77d4a77094726c82468a3bd767fb29bNobuhiro Iwamatsu EDMR); 766dabdde9ea77d4a77094726c82468a3bd767fb29bNobuhiro Iwamatsu mdelay(3); 767dabdde9ea77d4a77094726c82468a3bd767fb29bNobuhiro Iwamatsu sh_eth_write(ndev, sh_eth_read(ndev, EDMR) & ~EDMR_SRST_ETHER, 768dabdde9ea77d4a77094726c82468a3bd767fb29bNobuhiro Iwamatsu EDMR); 769dabdde9ea77d4a77094726c82468a3bd767fb29bNobuhiro Iwamatsu } 770dabdde9ea77d4a77094726c82468a3bd767fb29bNobuhiro Iwamatsu 771dabdde9ea77d4a77094726c82468a3bd767fb29bNobuhiro Iwamatsuout: 772dabdde9ea77d4a77094726c82468a3bd767fb29bNobuhiro Iwamatsu return ret; 773dabdde9ea77d4a77094726c82468a3bd767fb29bNobuhiro Iwamatsu} 774380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 77573a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda#if defined(CONFIG_CPU_SH4) || defined(CONFIG_ARCH_SHMOBILE) 776380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimodastatic void sh_eth_set_receive_align(struct sk_buff *skb) 777380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda{ 778380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda int reserve; 779380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 780380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda reserve = SH4_SKB_RX_ALIGN - ((u32)skb->data & (SH4_SKB_RX_ALIGN - 1)); 781380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (reserve) 782380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda skb_reserve(skb, reserve); 783380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda} 784380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda#else 785380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimodastatic void sh_eth_set_receive_align(struct sk_buff *skb) 786380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda{ 787380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda skb_reserve(skb, SH2_SH3_SKB_RX_ALIGN); 788380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda} 789380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda#endif 790380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 791380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 79271557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato/* CPU <-> EDMAC endian convert */ 79371557a37adb5df17631c493b3b7d912938c720b2Yoshinori Satostatic inline __u32 cpu_to_edmac(struct sh_eth_private *mdp, u32 x) 79471557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato{ 79571557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato switch (mdp->edmac_endian) { 79671557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato case EDMAC_LITTLE_ENDIAN: 79771557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato return cpu_to_le32(x); 79871557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato case EDMAC_BIG_ENDIAN: 79971557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato return cpu_to_be32(x); 80071557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato } 80171557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato return x; 80271557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato} 80371557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato 80471557a37adb5df17631c493b3b7d912938c720b2Yoshinori Satostatic inline __u32 edmac_to_cpu(struct sh_eth_private *mdp, u32 x) 80571557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato{ 80671557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato switch (mdp->edmac_endian) { 80771557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato case EDMAC_LITTLE_ENDIAN: 80871557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato return le32_to_cpu(x); 80971557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato case EDMAC_BIG_ENDIAN: 81071557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato return be32_to_cpu(x); 81171557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato } 81271557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato return x; 81371557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato} 81471557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato 81586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* 81686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * Program the hardware MAC address from dev->dev_addr. 81786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu */ 81886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic void update_mac_address(struct net_device *ndev) 81986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 8204a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 8214a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda (ndev->dev_addr[0] << 24) | (ndev->dev_addr[1] << 16) | 8224a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda (ndev->dev_addr[2] << 8) | (ndev->dev_addr[3]), MAHR); 8234a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 8244a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda (ndev->dev_addr[4] << 8) | (ndev->dev_addr[5]), MALR); 82586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 82686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 82786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* 82886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * Get MAC address from SuperH MAC address register 82986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * 83086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * SuperH's Ethernet device doesn't have 'ROM' to MAC address. 83186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * This driver get MAC address that use by bootloader(U-boot or sh-ipl+g). 83286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * When you want use this device, you must set MAC address in bootloader. 83386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * 83486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu */ 835748031f9fd2c06b28817d80761a5de97190cfd03Magnus Dammstatic void read_mac_address(struct net_device *ndev, unsigned char *mac) 83686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 837748031f9fd2c06b28817d80761a5de97190cfd03Magnus Damm if (mac[0] || mac[1] || mac[2] || mac[3] || mac[4] || mac[5]) { 838748031f9fd2c06b28817d80761a5de97190cfd03Magnus Damm memcpy(ndev->dev_addr, mac, 6); 839748031f9fd2c06b28817d80761a5de97190cfd03Magnus Damm } else { 8404a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda ndev->dev_addr[0] = (sh_eth_read(ndev, MAHR) >> 24); 8414a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda ndev->dev_addr[1] = (sh_eth_read(ndev, MAHR) >> 16) & 0xFF; 8424a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda ndev->dev_addr[2] = (sh_eth_read(ndev, MAHR) >> 8) & 0xFF; 8434a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda ndev->dev_addr[3] = (sh_eth_read(ndev, MAHR) & 0xFF); 8444a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda ndev->dev_addr[4] = (sh_eth_read(ndev, MALR) >> 8) & 0xFF; 8454a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda ndev->dev_addr[5] = (sh_eth_read(ndev, MALR) & 0xFF); 846748031f9fd2c06b28817d80761a5de97190cfd03Magnus Damm } 84786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 84886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 849c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimodastatic unsigned long sh_eth_get_edtrr_trns(struct sh_eth_private *mdp) 850c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda{ 851c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda if (sh_eth_is_gether(mdp)) 852c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda return EDTRR_TRNS_GETHER; 853c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda else 854c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda return EDTRR_TRNS_ETHER; 855c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda} 856c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda 85786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustruct bb_info { 858ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda void (*set_gate)(void *addr); 85986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct mdiobb_ctrl ctrl; 860ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda void *addr; 86186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu u32 mmd_msk;/* MMD */ 86286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu u32 mdo_msk; 86386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu u32 mdi_msk; 86486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu u32 mdc_msk; 86586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu}; 86686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 86786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* PHY bit set */ 868ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimodastatic void bb_set(void *addr, u32 msk) 86986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 870ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda iowrite32(ioread32(addr) | msk, addr); 87186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 87286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 87386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* PHY bit clear */ 874ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimodastatic void bb_clr(void *addr, u32 msk) 87586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 876ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda iowrite32((ioread32(addr) & ~msk), addr); 87786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 87886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 87986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* PHY bit read */ 880ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimodastatic int bb_read(void *addr, u32 msk) 88186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 882ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda return (ioread32(addr) & msk) != 0; 88386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 88486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 88586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* Data I/O pin control */ 88686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic void sh_mmd_ctrl(struct mdiobb_ctrl *ctrl, int bit) 88786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 88886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct bb_info *bitbang = container_of(ctrl, struct bb_info, ctrl); 889b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda 890b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda if (bitbang->set_gate) 891b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda bitbang->set_gate(bitbang->addr); 892b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda 89386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (bit) 89486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu bb_set(bitbang->addr, bitbang->mmd_msk); 89586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu else 89686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu bb_clr(bitbang->addr, bitbang->mmd_msk); 89786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 89886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 89986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* Set bit data*/ 90086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic void sh_set_mdio(struct mdiobb_ctrl *ctrl, int bit) 90186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 90286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct bb_info *bitbang = container_of(ctrl, struct bb_info, ctrl); 90386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 904b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda if (bitbang->set_gate) 905b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda bitbang->set_gate(bitbang->addr); 906b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda 90786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (bit) 90886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu bb_set(bitbang->addr, bitbang->mdo_msk); 90986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu else 91086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu bb_clr(bitbang->addr, bitbang->mdo_msk); 91186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 91286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 91386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* Get bit data*/ 91486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic int sh_get_mdio(struct mdiobb_ctrl *ctrl) 91586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 91686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct bb_info *bitbang = container_of(ctrl, struct bb_info, ctrl); 917b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda 918b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda if (bitbang->set_gate) 919b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda bitbang->set_gate(bitbang->addr); 920b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda 92186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return bb_read(bitbang->addr, bitbang->mdi_msk); 92286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 92386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 92486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* MDC pin control */ 92586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic void sh_mdc_ctrl(struct mdiobb_ctrl *ctrl, int bit) 92686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 92786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct bb_info *bitbang = container_of(ctrl, struct bb_info, ctrl); 92886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 929b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda if (bitbang->set_gate) 930b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda bitbang->set_gate(bitbang->addr); 931b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda 93286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (bit) 93386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu bb_set(bitbang->addr, bitbang->mdc_msk); 93486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu else 93586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu bb_clr(bitbang->addr, bitbang->mdc_msk); 93686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 93786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 93886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* mdio bus control struct */ 93986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic struct mdiobb_ops bb_ops = { 94086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu .owner = THIS_MODULE, 94186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu .set_mdc = sh_mdc_ctrl, 94286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu .set_mdio_dir = sh_mmd_ctrl, 94386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu .set_mdio_data = sh_set_mdio, 94486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu .get_mdio_data = sh_get_mdio, 94586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu}; 94686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 94786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* free skb and descriptor buffer */ 94886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic void sh_eth_ring_free(struct net_device *ndev) 94986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 95086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 95186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu int i; 95286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 95386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Free Rx skb ringbuffer */ 95486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (mdp->rx_skbuff) { 955525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda for (i = 0; i < mdp->num_rx_ring; i++) { 95686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (mdp->rx_skbuff[i]) 95786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu dev_kfree_skb(mdp->rx_skbuff[i]); 95886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 95986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 96086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu kfree(mdp->rx_skbuff); 96191c77550000a7d888aaf9f9ac13e3e3485d18560Yoshihiro Shimoda mdp->rx_skbuff = NULL; 96286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 96386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Free Tx skb ringbuffer */ 96486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (mdp->tx_skbuff) { 965525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda for (i = 0; i < mdp->num_tx_ring; i++) { 96686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (mdp->tx_skbuff[i]) 96786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu dev_kfree_skb(mdp->tx_skbuff[i]); 96886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 96986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 97086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu kfree(mdp->tx_skbuff); 97191c77550000a7d888aaf9f9ac13e3e3485d18560Yoshihiro Shimoda mdp->tx_skbuff = NULL; 97286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 97386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 97486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* format skb and descriptor buffer */ 97586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic void sh_eth_ring_format(struct net_device *ndev) 97686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 97786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 97886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu int i; 97986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sk_buff *skb; 98086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_rxdesc *rxdesc = NULL; 98186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_txdesc *txdesc = NULL; 982525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda int rx_ringsize = sizeof(*rxdesc) * mdp->num_rx_ring; 983525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda int tx_ringsize = sizeof(*txdesc) * mdp->num_tx_ring; 98486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 98586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->cur_rx = mdp->cur_tx = 0; 98686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->dirty_rx = mdp->dirty_tx = 0; 98786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 98886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu memset(mdp->rx_ring, 0, rx_ringsize); 98986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 99086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* build Rx ring buffer */ 991525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda for (i = 0; i < mdp->num_rx_ring; i++) { 99286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* skb */ 99386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->rx_skbuff[i] = NULL; 994dae2e9f430c46c29e3f771110094bd3da3625aa4Pradeep A. Dalvi skb = netdev_alloc_skb(ndev, mdp->rx_buf_sz); 99586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->rx_skbuff[i] = skb; 99686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (skb == NULL) 99786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu break; 998bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet dma_map_single(&ndev->dev, skb->data, mdp->rx_buf_sz, 999e88aae7bb1dc50457489d1d7c81dcf4db23ccf94Yoshihiro Shimoda DMA_FROM_DEVICE); 1000380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda sh_eth_set_receive_align(skb); 1001380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 100286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* RX descriptor */ 100386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu rxdesc = &mdp->rx_ring[i]; 10040029d64af5d72049e2170e4609fa83bd1f3f07cdYoshihiro Shimoda rxdesc->addr = virt_to_phys(PTR_ALIGN(skb->data, 4)); 100571557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato rxdesc->status = cpu_to_edmac(mdp, RD_RACT | RD_RFP); 100686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 100786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* The size of the buffer is 16 byte boundary. */ 10080029d64af5d72049e2170e4609fa83bd1f3f07cdYoshihiro Shimoda rxdesc->buffer_length = ALIGN(mdp->rx_buf_sz, 16); 1009b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu /* Rx descriptor address set */ 1010b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu if (i == 0) { 10114a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, mdp->rx_desc_dma, RDLAR); 1012c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda if (sh_eth_is_gether(mdp)) 1013c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda sh_eth_write(ndev, mdp->rx_desc_dma, RDFAR); 1014b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu } 101586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 101686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1017525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda mdp->dirty_rx = (u32) (i - mdp->num_rx_ring); 101886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 101986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Mark the last entry as wrapping the ring. */ 102071557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato rxdesc->status |= cpu_to_edmac(mdp, RD_RDEL); 102186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 102286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu memset(mdp->tx_ring, 0, tx_ringsize); 102386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 102486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* build Tx ring buffer */ 1025525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda for (i = 0; i < mdp->num_tx_ring; i++) { 102686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->tx_skbuff[i] = NULL; 102786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu txdesc = &mdp->tx_ring[i]; 102871557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato txdesc->status = cpu_to_edmac(mdp, TD_TFP); 102986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu txdesc->buffer_length = 0; 1030b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu if (i == 0) { 103171557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato /* Tx descriptor address set */ 10324a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, mdp->tx_desc_dma, TDLAR); 1033c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda if (sh_eth_is_gether(mdp)) 1034c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda sh_eth_write(ndev, mdp->tx_desc_dma, TDFAR); 1035b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu } 103686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 103786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 103871557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato txdesc->status |= cpu_to_edmac(mdp, TD_TDLE); 103986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 104086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 104186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* Get skb and descriptor buffer */ 104286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic int sh_eth_ring_init(struct net_device *ndev) 104386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 104486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 104586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu int rx_ringsize, tx_ringsize, ret = 0; 104686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 104786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* 104886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * +26 gets the maximum ethernet encapsulation, +7 & ~7 because the 104986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * card needs room to do 8 byte alignment, +2 so we can reserve 105086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * the first 2 bytes, and +16 gets room for the status word from the 105186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * card. 105286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu */ 105386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->rx_buf_sz = (ndev->mtu <= 1492 ? PKT_BUF_SZ : 105486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu (((ndev->mtu + 26 + 7) & ~7) + 2 + 16)); 1055503914cf4a4b5dbe3f844e0a92f412ae99fde70eMagnus Damm if (mdp->cd->rpadir) 1056503914cf4a4b5dbe3f844e0a92f412ae99fde70eMagnus Damm mdp->rx_buf_sz += NET_IP_ALIGN; 105786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 105886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Allocate RX and TX skb rings */ 1059b2adaca92c63b9bb8beb021d554f656e387a7648Joe Perches mdp->rx_skbuff = kmalloc_array(mdp->num_rx_ring, 1060b2adaca92c63b9bb8beb021d554f656e387a7648Joe Perches sizeof(*mdp->rx_skbuff), GFP_KERNEL); 106186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (!mdp->rx_skbuff) { 106286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ret = -ENOMEM; 106386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return ret; 106486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 106586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1066b2adaca92c63b9bb8beb021d554f656e387a7648Joe Perches mdp->tx_skbuff = kmalloc_array(mdp->num_tx_ring, 1067b2adaca92c63b9bb8beb021d554f656e387a7648Joe Perches sizeof(*mdp->tx_skbuff), GFP_KERNEL); 106886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (!mdp->tx_skbuff) { 106986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ret = -ENOMEM; 107086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu goto skb_ring_free; 107186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 107286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 107386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Allocate all Rx descriptors. */ 1074525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda rx_ringsize = sizeof(struct sh_eth_rxdesc) * mdp->num_rx_ring; 107586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->rx_ring = dma_alloc_coherent(NULL, rx_ringsize, &mdp->rx_desc_dma, 1076d0320f750093d012d3ed69fc1e8b385f654523d5Joe Perches GFP_KERNEL); 107786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (!mdp->rx_ring) { 107886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ret = -ENOMEM; 107986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu goto desc_ring_free; 108086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 108186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 108286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->dirty_rx = 0; 108386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 108486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Allocate all Tx descriptors. */ 1085525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda tx_ringsize = sizeof(struct sh_eth_txdesc) * mdp->num_tx_ring; 108686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->tx_ring = dma_alloc_coherent(NULL, tx_ringsize, &mdp->tx_desc_dma, 1087d0320f750093d012d3ed69fc1e8b385f654523d5Joe Perches GFP_KERNEL); 108886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (!mdp->tx_ring) { 108986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ret = -ENOMEM; 109086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu goto desc_ring_free; 109186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 109286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return ret; 109386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 109486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsudesc_ring_free: 109586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* free DMA buffer */ 109686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu dma_free_coherent(NULL, rx_ringsize, mdp->rx_ring, mdp->rx_desc_dma); 109786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 109886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsuskb_ring_free: 109986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Free Rx and Tx skb ring buffer */ 110086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu sh_eth_ring_free(ndev); 110191c77550000a7d888aaf9f9ac13e3e3485d18560Yoshihiro Shimoda mdp->tx_ring = NULL; 110291c77550000a7d888aaf9f9ac13e3e3485d18560Yoshihiro Shimoda mdp->rx_ring = NULL; 110386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 110486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return ret; 110586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 110686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 110791c77550000a7d888aaf9f9ac13e3e3485d18560Yoshihiro Shimodastatic void sh_eth_free_dma_buffer(struct sh_eth_private *mdp) 110891c77550000a7d888aaf9f9ac13e3e3485d18560Yoshihiro Shimoda{ 110991c77550000a7d888aaf9f9ac13e3e3485d18560Yoshihiro Shimoda int ringsize; 111091c77550000a7d888aaf9f9ac13e3e3485d18560Yoshihiro Shimoda 111191c77550000a7d888aaf9f9ac13e3e3485d18560Yoshihiro Shimoda if (mdp->rx_ring) { 1112525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda ringsize = sizeof(struct sh_eth_rxdesc) * mdp->num_rx_ring; 111391c77550000a7d888aaf9f9ac13e3e3485d18560Yoshihiro Shimoda dma_free_coherent(NULL, ringsize, mdp->rx_ring, 111491c77550000a7d888aaf9f9ac13e3e3485d18560Yoshihiro Shimoda mdp->rx_desc_dma); 111591c77550000a7d888aaf9f9ac13e3e3485d18560Yoshihiro Shimoda mdp->rx_ring = NULL; 111691c77550000a7d888aaf9f9ac13e3e3485d18560Yoshihiro Shimoda } 111791c77550000a7d888aaf9f9ac13e3e3485d18560Yoshihiro Shimoda 111891c77550000a7d888aaf9f9ac13e3e3485d18560Yoshihiro Shimoda if (mdp->tx_ring) { 1119525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda ringsize = sizeof(struct sh_eth_txdesc) * mdp->num_tx_ring; 112091c77550000a7d888aaf9f9ac13e3e3485d18560Yoshihiro Shimoda dma_free_coherent(NULL, ringsize, mdp->tx_ring, 112191c77550000a7d888aaf9f9ac13e3e3485d18560Yoshihiro Shimoda mdp->tx_desc_dma); 112291c77550000a7d888aaf9f9ac13e3e3485d18560Yoshihiro Shimoda mdp->tx_ring = NULL; 112391c77550000a7d888aaf9f9ac13e3e3485d18560Yoshihiro Shimoda } 112491c77550000a7d888aaf9f9ac13e3e3485d18560Yoshihiro Shimoda} 112591c77550000a7d888aaf9f9ac13e3e3485d18560Yoshihiro Shimoda 1126525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimodastatic int sh_eth_dev_init(struct net_device *ndev, bool start) 112786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 112886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu int ret = 0; 112986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 113086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu u32 val; 113186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 113286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Soft Reset */ 11335cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu ret = sh_eth_reset(ndev); 11345cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu if (ret) 11355cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu goto out; 113686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1137b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu /* Descriptor format */ 1138b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu sh_eth_ring_format(ndev); 1139380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (mdp->cd->rpadir) 11404a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, mdp->cd->rpadir_value, RPADIR); 114186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 114286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* all sh_eth int mask */ 11434a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 0, EESIPR); 114486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 114510b9194f959608368ed89df1937f17cfe6bd6d84Yoshihiro Shimoda#if defined(__LITTLE_ENDIAN) 1146380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (mdp->cd->hw_swap) 11474a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, EDMR_EL, EDMR); 1148380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda else 1149b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu#endif 11504a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 0, EDMR); 115186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1152b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu /* FIFO size set */ 11534a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, mdp->cd->fdr_value, FDR); 11544a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 0, TFTR); 115586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1156b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu /* Frame recv control */ 11574a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, mdp->cd->rmcr_value, RMCR); 115886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 11592ecbb783c3bf5a63f555c39deef308dcc1902b7fYoshihiro Shimoda sh_eth_write(ndev, DESC_I_RINT8 | DESC_I_RINT5 | DESC_I_TINT2, TRSCER); 116086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1161380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (mdp->cd->bculr) 11624a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 0x800, BCULR); /* Burst sycle set */ 1163b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu 11644a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, mdp->cd->fcftr_value, FCFTR); 116586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1166380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (!mdp->cd->no_trimd) 11674a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 0, TRIMD); 116886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1169b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu /* Recv frame limit set register */ 1170fdb37a7f84a58ccad24abffd54ad46d23b763e13Yoshihiro Shimoda sh_eth_write(ndev, ndev->mtu + ETH_HLEN + VLAN_HLEN + ETH_FCS_LEN, 1171fdb37a7f84a58ccad24abffd54ad46d23b763e13Yoshihiro Shimoda RFLR); 117286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 11734a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, EESR), EESR); 1174525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda if (start) 1175525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda sh_eth_write(ndev, mdp->cd->eesipr_value, EESIPR); 117686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 117786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* PAUSE Prohibition */ 11784a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda val = (sh_eth_read(ndev, ECMR) & ECMR_DM) | 117986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ECMR_ZPF | (mdp->duplex ? ECMR_DM : 0) | ECMR_TE | ECMR_RE; 118086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 11814a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, val, ECMR); 1182b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu 1183380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (mdp->cd->set_rate) 1184380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda mdp->cd->set_rate(ndev); 1185380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 1186b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu /* E-MAC Status Register clear */ 11874a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, mdp->cd->ecsr_value, ECSR); 1188b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu 1189b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu /* E-MAC Interrupt Enable register */ 1190525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda if (start) 1191525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda sh_eth_write(ndev, mdp->cd->ecsipr_value, ECSIPR); 119286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 119386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Set MAC address */ 119486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu update_mac_address(ndev); 119586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 119686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* mask reset */ 1197380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (mdp->cd->apr) 11984a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, APR_AP, APR); 1199380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (mdp->cd->mpr) 12004a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, MPR_MP, MPR); 1201380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (mdp->cd->tpauser) 12024a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, TPAUSER_UNLIMITED, TPAUSER); 1203b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu 1204525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda if (start) { 1205525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda /* Setting the Rx mode will start the Rx process. */ 1206525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda sh_eth_write(ndev, EDRRR_R, EDRRR); 120786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1208525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda netif_start_queue(ndev); 1209525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda } 121086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 12115cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsuout: 121286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return ret; 121386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 121486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 121586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* free Tx skb function */ 121686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic int sh_eth_txfree(struct net_device *ndev) 121786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 121886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 121986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_txdesc *txdesc; 122086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu int freeNum = 0; 122186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu int entry = 0; 122286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 122386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu for (; mdp->cur_tx - mdp->dirty_tx > 0; mdp->dirty_tx++) { 1224525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda entry = mdp->dirty_tx % mdp->num_tx_ring; 122586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu txdesc = &mdp->tx_ring[entry]; 122671557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato if (txdesc->status & cpu_to_edmac(mdp, TD_TACT)) 122786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu break; 122886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Free the original skb. */ 122986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (mdp->tx_skbuff[entry]) { 123031fcb99d9958bdf04e84224e202f69e6cdac893bYoshihiro Shimoda dma_unmap_single(&ndev->dev, txdesc->addr, 123131fcb99d9958bdf04e84224e202f69e6cdac893bYoshihiro Shimoda txdesc->buffer_length, DMA_TO_DEVICE); 123286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu dev_kfree_skb_irq(mdp->tx_skbuff[entry]); 123386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->tx_skbuff[entry] = NULL; 123486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu freeNum++; 123586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 123671557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato txdesc->status = cpu_to_edmac(mdp, TD_TFP); 1237525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda if (entry >= mdp->num_tx_ring - 1) 123871557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato txdesc->status |= cpu_to_edmac(mdp, TD_TDLE); 123986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1240bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.tx_packets++; 1241bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.tx_bytes += txdesc->buffer_length; 124286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 124386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return freeNum; 124486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 124586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 124686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* Packet receive function */ 1247a18e08bdcf845efb7344cea146e683df746bbfb4Yoshihiro Shimodastatic int sh_eth_rx(struct net_device *ndev, u32 intr_status) 124886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 124986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 125086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_rxdesc *rxdesc; 125186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1252525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda int entry = mdp->cur_rx % mdp->num_rx_ring; 1253525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda int boguscnt = (mdp->dirty_rx + mdp->num_rx_ring) - mdp->cur_rx; 125486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sk_buff *skb; 125586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu u16 pkt_len = 0; 1256380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda u32 desc_status; 125786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 125886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu rxdesc = &mdp->rx_ring[entry]; 125971557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato while (!(rxdesc->status & cpu_to_edmac(mdp, RD_RACT))) { 126071557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato desc_status = edmac_to_cpu(mdp, rxdesc->status); 126186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu pkt_len = rxdesc->frame_length; 126286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 126373a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda#if defined(CONFIG_ARCH_R8A7740) 126473a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda desc_status >>= 16; 126573a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda#endif 126673a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda 126786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (--boguscnt < 0) 126886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu break; 126986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 127086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (!(desc_status & RDFEND)) 1271bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.rx_length_errors++; 127286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 127386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (desc_status & (RD_RFS1 | RD_RFS2 | RD_RFS3 | RD_RFS4 | 127486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu RD_RFS5 | RD_RFS6 | RD_RFS10)) { 1275bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.rx_errors++; 127686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (desc_status & RD_RFS1) 1277bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.rx_crc_errors++; 127886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (desc_status & RD_RFS2) 1279bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.rx_frame_errors++; 128086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (desc_status & RD_RFS3) 1281bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.rx_length_errors++; 128286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (desc_status & RD_RFS4) 1283bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.rx_length_errors++; 128486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (desc_status & RD_RFS6) 1285bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.rx_missed_errors++; 128686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (desc_status & RD_RFS10) 1287bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.rx_over_errors++; 128886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } else { 1289380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (!mdp->cd->hw_swap) 1290380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda sh_eth_soft_swap( 1291380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda phys_to_virt(ALIGN(rxdesc->addr, 4)), 1292380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda pkt_len + 2); 129386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu skb = mdp->rx_skbuff[entry]; 129486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->rx_skbuff[entry] = NULL; 1295503914cf4a4b5dbe3f844e0a92f412ae99fde70eMagnus Damm if (mdp->cd->rpadir) 1296503914cf4a4b5dbe3f844e0a92f412ae99fde70eMagnus Damm skb_reserve(skb, NET_IP_ALIGN); 129786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu skb_put(skb, pkt_len); 129886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu skb->protocol = eth_type_trans(skb, ndev); 129986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu netif_rx(skb); 1300bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.rx_packets++; 1301bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.rx_bytes += pkt_len; 130286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 130371557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato rxdesc->status |= cpu_to_edmac(mdp, RD_RACT); 1304525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda entry = (++mdp->cur_rx) % mdp->num_rx_ring; 1305862df49750e7ca9369c04d8d8105b3cc5d976e0dYoshihiro Shimoda rxdesc = &mdp->rx_ring[entry]; 130686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 130786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 130886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Refill the Rx ring buffers. */ 130986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu for (; mdp->cur_rx - mdp->dirty_rx > 0; mdp->dirty_rx++) { 1310525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda entry = mdp->dirty_rx % mdp->num_rx_ring; 131186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu rxdesc = &mdp->rx_ring[entry]; 1312b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu /* The size of the buffer is 16 byte boundary. */ 13130029d64af5d72049e2170e4609fa83bd1f3f07cdYoshihiro Shimoda rxdesc->buffer_length = ALIGN(mdp->rx_buf_sz, 16); 1314b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu 131586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (mdp->rx_skbuff[entry] == NULL) { 1316dae2e9f430c46c29e3f771110094bd3da3625aa4Pradeep A. Dalvi skb = netdev_alloc_skb(ndev, mdp->rx_buf_sz); 131786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->rx_skbuff[entry] = skb; 131886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (skb == NULL) 131986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu break; /* Better luck next round. */ 1320bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet dma_map_single(&ndev->dev, skb->data, mdp->rx_buf_sz, 1321e88aae7bb1dc50457489d1d7c81dcf4db23ccf94Yoshihiro Shimoda DMA_FROM_DEVICE); 1322380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda sh_eth_set_receive_align(skb); 1323380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 1324bc8acf2c8c3e43fcc192762a9f964b3e9a17748bEric Dumazet skb_checksum_none_assert(skb); 13250029d64af5d72049e2170e4609fa83bd1f3f07cdYoshihiro Shimoda rxdesc->addr = virt_to_phys(PTR_ALIGN(skb->data, 4)); 132686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 1327525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda if (entry >= mdp->num_rx_ring - 1) 132886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu rxdesc->status |= 132971557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato cpu_to_edmac(mdp, RD_RACT | RD_RFP | RD_RDEL); 133086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu else 133186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu rxdesc->status |= 133271557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato cpu_to_edmac(mdp, RD_RACT | RD_RFP); 133386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 133486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 133586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Restart Rx engine if stopped. */ 133686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* If we don't need to check status, don't. -KDU */ 133779fba9f51755c704c0a7d7b7f0df10874dc0a744Yoshihiro Shimoda if (!(sh_eth_read(ndev, EDRRR) & EDRRR_R)) { 1338a18e08bdcf845efb7344cea146e683df746bbfb4Yoshihiro Shimoda /* fix the values for the next receiving if RDE is set */ 1339a18e08bdcf845efb7344cea146e683df746bbfb4Yoshihiro Shimoda if (intr_status & EESR_RDE) 1340a18e08bdcf845efb7344cea146e683df746bbfb4Yoshihiro Shimoda mdp->cur_rx = mdp->dirty_rx = 1341a18e08bdcf845efb7344cea146e683df746bbfb4Yoshihiro Shimoda (sh_eth_read(ndev, RDFAR) - 1342a18e08bdcf845efb7344cea146e683df746bbfb4Yoshihiro Shimoda sh_eth_read(ndev, RDLAR)) >> 4; 13434a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, EDRRR_R, EDRRR); 134479fba9f51755c704c0a7d7b7f0df10874dc0a744Yoshihiro Shimoda } 134586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 134686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return 0; 134786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 134886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 13494a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimodastatic void sh_eth_rcv_snd_disable(struct net_device *ndev) 1350dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu{ 1351dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu /* disable tx and rx */ 13524a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, ECMR) & 13534a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda ~(ECMR_RE | ECMR_TE), ECMR); 1354dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu} 1355dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 13564a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimodastatic void sh_eth_rcv_snd_enable(struct net_device *ndev) 1357dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu{ 1358dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu /* enable tx and rx */ 13594a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, ECMR) | 13604a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda (ECMR_RE | ECMR_TE), ECMR); 1361dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu} 1362dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 136386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* error control function */ 136486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic void sh_eth_error(struct net_device *ndev, int intr_status) 136586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 136686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 136786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu u32 felic_stat; 1368380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda u32 link_stat; 1369380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda u32 mask; 137086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 137186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (intr_status & EESR_ECI) { 13724a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda felic_stat = sh_eth_read(ndev, ECSR); 13734a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, felic_stat, ECSR); /* clear int */ 137486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (felic_stat & ECSR_ICD) 1375bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.tx_carrier_errors++; 137686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (felic_stat & ECSR_LCHNG) { 137786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Link Changed */ 13784923576b8ac5bfd36ab2beb176aeb747aaab7e41Yoshihiro Shimoda if (mdp->cd->no_psr || mdp->no_ether_link) { 13791e1b812bbe1069fc8e2e372dca7d5f541c7a8cebSergei Shtylyov goto ignore_link; 1380380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda } else { 13814a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda link_stat = (sh_eth_read(ndev, PSR)); 13824923576b8ac5bfd36ab2beb176aeb747aaab7e41Yoshihiro Shimoda if (mdp->ether_link_active_low) 13834923576b8ac5bfd36ab2beb176aeb747aaab7e41Yoshihiro Shimoda link_stat = ~link_stat; 1384380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda } 1385dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (!(link_stat & PHY_ST_LINK)) 13864a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_rcv_snd_disable(ndev); 1387dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu else { 138886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Link Up */ 13894a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, EESIPR) & 13904a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda ~DMAC_M_ECI, EESIPR); 139186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /*clear int */ 13924a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, ECSR), 13934a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda ECSR); 13944a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, EESIPR) | 13954a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda DMAC_M_ECI, EESIPR); 139686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* enable tx and rx */ 13974a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_rcv_snd_enable(ndev); 139886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 139986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 140086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 140186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 14021e1b812bbe1069fc8e2e372dca7d5f541c7a8cebSergei Shtylyovignore_link: 140386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (intr_status & EESR_TWB) { 140486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Write buck end. unused write back interrupt */ 140586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (intr_status & EESR_TABT) /* Transmit Abort int */ 1406bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.tx_aborted_errors++; 1407dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (netif_msg_tx_err(mdp)) 1408dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu dev_err(&ndev->dev, "Transmit Abort\n"); 140986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 141086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 141186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (intr_status & EESR_RABT) { 141286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Receive Abort int */ 141386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (intr_status & EESR_RFRMER) { 141486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Receive Frame Overflow int */ 1415bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.rx_frame_errors++; 1416dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (netif_msg_rx_err(mdp)) 1417dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu dev_err(&ndev->dev, "Receive Abort\n"); 141886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 141986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 1420380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 1421dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (intr_status & EESR_TDE) { 1422dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu /* Transmit Descriptor Empty int */ 1423bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.tx_fifo_errors++; 1424dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (netif_msg_tx_err(mdp)) 1425dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu dev_err(&ndev->dev, "Transmit Descriptor Empty\n"); 1426dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu } 1427dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1428dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (intr_status & EESR_TFE) { 1429dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu /* FIFO under flow */ 1430bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.tx_fifo_errors++; 1431dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (netif_msg_tx_err(mdp)) 1432dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu dev_err(&ndev->dev, "Transmit FIFO Under flow\n"); 143386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 143486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 143586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (intr_status & EESR_RDE) { 143686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Receive Descriptor Empty int */ 1437bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.rx_over_errors++; 143886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1439dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (netif_msg_rx_err(mdp)) 1440dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu dev_err(&ndev->dev, "Receive Descriptor Empty\n"); 144186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 1442dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 144386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (intr_status & EESR_RFE) { 144486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Receive FIFO Overflow int */ 1445bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.rx_fifo_errors++; 1446dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (netif_msg_rx_err(mdp)) 1447dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu dev_err(&ndev->dev, "Receive FIFO Overflow\n"); 1448dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu } 1449dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1450dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (!mdp->cd->no_ade && (intr_status & EESR_ADE)) { 1451dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu /* Address Error */ 1452bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.tx_fifo_errors++; 1453dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (netif_msg_tx_err(mdp)) 1454dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu dev_err(&ndev->dev, "Address Error\n"); 145586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 1456380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 1457380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda mask = EESR_TWB | EESR_TABT | EESR_ADE | EESR_TDE | EESR_TFE; 1458380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (mdp->cd->no_ade) 1459380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda mask &= ~EESR_ADE; 1460380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (intr_status & mask) { 146186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Tx error */ 14624a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda u32 edtrr = sh_eth_read(ndev, EDTRR); 146386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* dmesg */ 1464380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda dev_err(&ndev->dev, "TX error. status=%8.8x cur_tx=%8.8x ", 1465380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda intr_status, mdp->cur_tx); 1466380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda dev_err(&ndev->dev, "dirty_tx=%8.8x state=%8.8x EDTRR=%8.8x.\n", 146786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->dirty_tx, (u32) ndev->state, edtrr); 146886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* dirty buffer free */ 146986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu sh_eth_txfree(ndev); 147086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 147186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* SH7712 BUG */ 1472c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda if (edtrr ^ sh_eth_get_edtrr_trns(mdp)) { 147386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* tx dma start */ 1474c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda sh_eth_write(ndev, sh_eth_get_edtrr_trns(mdp), EDTRR); 147586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 147686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* wakeup */ 147786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu netif_wake_queue(ndev); 147886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 147986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 148086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 148186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic irqreturn_t sh_eth_interrupt(int irq, void *netdev) 148286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 148386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct net_device *ndev = netdev; 148486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 1485380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda struct sh_eth_cpu_data *cd = mdp->cd; 14860e0fde3c8d65524b8dfd834332d6e4a92711a66aNobuhiro Iwamatsu irqreturn_t ret = IRQ_NONE; 14873893b27345ac0ff13c1b9ec20ad50966b810997eSergei Shtylyov unsigned long intr_status; 148886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 148986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu spin_lock(&mdp->lock); 149086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 14913893b27345ac0ff13c1b9ec20ad50966b810997eSergei Shtylyov /* Get interrupt status */ 14924a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda intr_status = sh_eth_read(ndev, EESR); 14933893b27345ac0ff13c1b9ec20ad50966b810997eSergei Shtylyov /* Mask it with the interrupt mask, forcing ECI interrupt to be always 14943893b27345ac0ff13c1b9ec20ad50966b810997eSergei Shtylyov * enabled since it's the one that comes thru regardless of the mask, 14953893b27345ac0ff13c1b9ec20ad50966b810997eSergei Shtylyov * and we need to fully handle it in sh_eth_error() in order to quench 14963893b27345ac0ff13c1b9ec20ad50966b810997eSergei Shtylyov * it as it doesn't get cleared by just writing 1 to the ECI bit... 14973893b27345ac0ff13c1b9ec20ad50966b810997eSergei Shtylyov */ 14983893b27345ac0ff13c1b9ec20ad50966b810997eSergei Shtylyov intr_status &= sh_eth_read(ndev, EESIPR) | DMAC_M_ECI; 149986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Clear interrupt */ 15000e0fde3c8d65524b8dfd834332d6e4a92711a66aNobuhiro Iwamatsu if (intr_status & (EESR_FRC | EESR_RMAF | EESR_RRF | 15010e0fde3c8d65524b8dfd834332d6e4a92711a66aNobuhiro Iwamatsu EESR_RTLF | EESR_RTSF | EESR_PRE | EESR_CERF | 1502380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda cd->tx_check | cd->eesr_err_check)) { 15034a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, intr_status, EESR); 15040e0fde3c8d65524b8dfd834332d6e4a92711a66aNobuhiro Iwamatsu ret = IRQ_HANDLED; 15050e0fde3c8d65524b8dfd834332d6e4a92711a66aNobuhiro Iwamatsu } else 15060e0fde3c8d65524b8dfd834332d6e4a92711a66aNobuhiro Iwamatsu goto other_irq; 150786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1508b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu if (intr_status & (EESR_FRC | /* Frame recv*/ 1509b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu EESR_RMAF | /* Multi cast address recv*/ 1510b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu EESR_RRF | /* Bit frame recv */ 1511b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu EESR_RTLF | /* Long frame recv*/ 1512b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu EESR_RTSF | /* short frame recv */ 1513b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu EESR_PRE | /* PHY-LSI recv error */ 1514b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu EESR_CERF)){ /* recv frame CRC error */ 1515a18e08bdcf845efb7344cea146e683df746bbfb4Yoshihiro Shimoda sh_eth_rx(ndev, intr_status); 1516b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu } 151786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1518b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu /* Tx Check */ 1519380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (intr_status & cd->tx_check) { 152086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu sh_eth_txfree(ndev); 152186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu netif_wake_queue(ndev); 152286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 152386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1524380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (intr_status & cd->eesr_err_check) 152586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu sh_eth_error(ndev, intr_status); 152686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 15270e0fde3c8d65524b8dfd834332d6e4a92711a66aNobuhiro Iwamatsuother_irq: 152886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu spin_unlock(&mdp->lock); 152986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 15300e0fde3c8d65524b8dfd834332d6e4a92711a66aNobuhiro Iwamatsu return ret; 153186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 153286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 153386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* PHY state control function */ 153486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic void sh_eth_adjust_link(struct net_device *ndev) 153586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 153686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 153786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct phy_device *phydev = mdp->phydev; 153886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu int new_state = 0; 153986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 15403340d2aae3433ad9147f6bf0adc452b324e31591Sergei Shtylyov if (phydev->link) { 154186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (phydev->duplex != mdp->duplex) { 154286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu new_state = 1; 154386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->duplex = phydev->duplex; 1544380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (mdp->cd->set_duplex) 1545380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda mdp->cd->set_duplex(ndev); 154686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 154786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 154886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (phydev->speed != mdp->speed) { 154986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu new_state = 1; 155086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->speed = phydev->speed; 1551380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (mdp->cd->set_rate) 1552380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda mdp->cd->set_rate(ndev); 155386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 15543340d2aae3433ad9147f6bf0adc452b324e31591Sergei Shtylyov if (!mdp->link) { 155591a5615203355bb34e0b9e68e94f27f24719a74cYoshihiro Shimoda sh_eth_write(ndev, 155691a5615203355bb34e0b9e68e94f27f24719a74cYoshihiro Shimoda (sh_eth_read(ndev, ECMR) & ~ECMR_TXF), ECMR); 155786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu new_state = 1; 155886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->link = phydev->link; 15591e1b812bbe1069fc8e2e372dca7d5f541c7a8cebSergei Shtylyov if (mdp->cd->no_psr || mdp->no_ether_link) 15601e1b812bbe1069fc8e2e372dca7d5f541c7a8cebSergei Shtylyov sh_eth_rcv_snd_enable(ndev); 156186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 156286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } else if (mdp->link) { 156386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu new_state = 1; 15643340d2aae3433ad9147f6bf0adc452b324e31591Sergei Shtylyov mdp->link = 0; 156586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->speed = 0; 156686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->duplex = -1; 15671e1b812bbe1069fc8e2e372dca7d5f541c7a8cebSergei Shtylyov if (mdp->cd->no_psr || mdp->no_ether_link) 15681e1b812bbe1069fc8e2e372dca7d5f541c7a8cebSergei Shtylyov sh_eth_rcv_snd_disable(ndev); 156986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 157086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1571dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (new_state && netif_msg_link(mdp)) 157286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu phy_print_status(phydev); 157386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 157486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 157586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* PHY init function */ 157686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic int sh_eth_phy_init(struct net_device *ndev) 157786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 157886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 15790a372eb91f9d507701a901c2f62ed31ca67fd66cDavid S. Miller char phy_id[MII_BUS_ID_SIZE + 3]; 158086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct phy_device *phydev = NULL; 158186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1582fb28ad35906af2f042c94e2f9c0f898ef9acfa37Kay Sievers snprintf(phy_id, sizeof(phy_id), PHY_ID_FMT, 158386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->mii_bus->id , mdp->phy_id); 158486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 15853340d2aae3433ad9147f6bf0adc452b324e31591Sergei Shtylyov mdp->link = 0; 158686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->speed = 0; 158786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->duplex = -1; 158886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 158986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Try connect to PHY */ 1590c061b18df0f1fe3f50fe451dbbdc9ede3c19701aJoe Perches phydev = phy_connect(ndev, phy_id, sh_eth_adjust_link, 1591f9a8f83b04e0c362a2fc660dbad980d24af209fcFlorian Fainelli mdp->phy_interface); 159286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (IS_ERR(phydev)) { 159386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu dev_err(&ndev->dev, "phy_connect failed\n"); 159486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return PTR_ERR(phydev); 159586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 1596380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 159786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu dev_info(&ndev->dev, "attached phy %i to driver %s\n", 1598380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda phydev->addr, phydev->drv->name); 159986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 160086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->phydev = phydev; 160186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 160286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return 0; 160386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 160486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 160586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* PHY control start function */ 160686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic int sh_eth_phy_start(struct net_device *ndev) 160786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 160886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 160986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu int ret; 161086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 161186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ret = sh_eth_phy_init(ndev); 161286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (ret) 161386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return ret; 161486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 161586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* reset phy - this also wakes it from PDOWN */ 161686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu phy_write(mdp->phydev, MII_BMCR, BMCR_RESET); 161786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu phy_start(mdp->phydev); 161886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 161986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return 0; 162086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 162186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1622dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsustatic int sh_eth_get_settings(struct net_device *ndev, 1623dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu struct ethtool_cmd *ecmd) 1624dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu{ 1625dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 1626dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu unsigned long flags; 1627dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu int ret; 1628dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1629dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu spin_lock_irqsave(&mdp->lock, flags); 1630dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu ret = phy_ethtool_gset(mdp->phydev, ecmd); 1631dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu spin_unlock_irqrestore(&mdp->lock, flags); 1632dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1633dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu return ret; 1634dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu} 1635dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1636dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsustatic int sh_eth_set_settings(struct net_device *ndev, 1637dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu struct ethtool_cmd *ecmd) 1638dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu{ 1639dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 1640dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu unsigned long flags; 1641dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu int ret; 1642dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1643dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu spin_lock_irqsave(&mdp->lock, flags); 1644dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1645dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu /* disable tx and rx */ 16464a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_rcv_snd_disable(ndev); 1647dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1648dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu ret = phy_ethtool_sset(mdp->phydev, ecmd); 1649dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (ret) 1650dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu goto error_exit; 1651dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1652dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (ecmd->duplex == DUPLEX_FULL) 1653dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu mdp->duplex = 1; 1654dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu else 1655dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu mdp->duplex = 0; 1656dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1657dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (mdp->cd->set_duplex) 1658dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu mdp->cd->set_duplex(ndev); 1659dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1660dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsuerror_exit: 1661dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu mdelay(1); 1662dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1663dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu /* enable tx and rx */ 16644a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_rcv_snd_enable(ndev); 1665dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1666dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu spin_unlock_irqrestore(&mdp->lock, flags); 1667dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1668dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu return ret; 1669dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu} 1670dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1671dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsustatic int sh_eth_nway_reset(struct net_device *ndev) 1672dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu{ 1673dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 1674dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu unsigned long flags; 1675dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu int ret; 1676dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1677dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu spin_lock_irqsave(&mdp->lock, flags); 1678dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu ret = phy_start_aneg(mdp->phydev); 1679dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu spin_unlock_irqrestore(&mdp->lock, flags); 1680dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1681dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu return ret; 1682dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu} 1683dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1684dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsustatic u32 sh_eth_get_msglevel(struct net_device *ndev) 1685dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu{ 1686dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 1687dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu return mdp->msg_enable; 1688dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu} 1689dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1690dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsustatic void sh_eth_set_msglevel(struct net_device *ndev, u32 value) 1691dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu{ 1692dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 1693dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu mdp->msg_enable = value; 1694dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu} 1695dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1696dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsustatic const char sh_eth_gstrings_stats[][ETH_GSTRING_LEN] = { 1697dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu "rx_current", "tx_current", 1698dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu "rx_dirty", "tx_dirty", 1699dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu}; 1700dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu#define SH_ETH_STATS_LEN ARRAY_SIZE(sh_eth_gstrings_stats) 1701dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1702dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsustatic int sh_eth_get_sset_count(struct net_device *netdev, int sset) 1703dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu{ 1704dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu switch (sset) { 1705dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu case ETH_SS_STATS: 1706dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu return SH_ETH_STATS_LEN; 1707dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu default: 1708dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu return -EOPNOTSUPP; 1709dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu } 1710dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu} 1711dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1712dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsustatic void sh_eth_get_ethtool_stats(struct net_device *ndev, 1713dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu struct ethtool_stats *stats, u64 *data) 1714dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu{ 1715dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 1716dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu int i = 0; 1717dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1718dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu /* device-specific stats */ 1719dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu data[i++] = mdp->cur_rx; 1720dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu data[i++] = mdp->cur_tx; 1721dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu data[i++] = mdp->dirty_rx; 1722dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu data[i++] = mdp->dirty_tx; 1723dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu} 1724dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1725dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsustatic void sh_eth_get_strings(struct net_device *ndev, u32 stringset, u8 *data) 1726dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu{ 1727dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu switch (stringset) { 1728dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu case ETH_SS_STATS: 1729dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu memcpy(data, *sh_eth_gstrings_stats, 1730dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu sizeof(sh_eth_gstrings_stats)); 1731dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu break; 1732dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu } 1733dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu} 1734dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1735525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimodastatic void sh_eth_get_ringparam(struct net_device *ndev, 1736525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda struct ethtool_ringparam *ring) 1737525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda{ 1738525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 1739525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda 1740525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda ring->rx_max_pending = RX_RING_MAX; 1741525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda ring->tx_max_pending = TX_RING_MAX; 1742525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda ring->rx_pending = mdp->num_rx_ring; 1743525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda ring->tx_pending = mdp->num_tx_ring; 1744525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda} 1745525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda 1746525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimodastatic int sh_eth_set_ringparam(struct net_device *ndev, 1747525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda struct ethtool_ringparam *ring) 1748525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda{ 1749525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 1750525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda int ret; 1751525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda 1752525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda if (ring->tx_pending > TX_RING_MAX || 1753525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda ring->rx_pending > RX_RING_MAX || 1754525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda ring->tx_pending < TX_RING_MIN || 1755525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda ring->rx_pending < RX_RING_MIN) 1756525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda return -EINVAL; 1757525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda if (ring->rx_mini_pending || ring->rx_jumbo_pending) 1758525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda return -EINVAL; 1759525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda 1760525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda if (netif_running(ndev)) { 1761525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda netif_tx_disable(ndev); 1762525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda /* Disable interrupts by clearing the interrupt mask. */ 1763525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda sh_eth_write(ndev, 0x0000, EESIPR); 1764525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda /* Stop the chip's Tx and Rx processes. */ 1765525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda sh_eth_write(ndev, 0, EDTRR); 1766525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda sh_eth_write(ndev, 0, EDRRR); 1767525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda synchronize_irq(ndev->irq); 1768525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda } 1769525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda 1770525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda /* Free all the skbuffs in the Rx queue. */ 1771525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda sh_eth_ring_free(ndev); 1772525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda /* Free DMA buffer */ 1773525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda sh_eth_free_dma_buffer(mdp); 1774525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda 1775525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda /* Set new parameters */ 1776525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda mdp->num_rx_ring = ring->rx_pending; 1777525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda mdp->num_tx_ring = ring->tx_pending; 1778525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda 1779525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda ret = sh_eth_ring_init(ndev); 1780525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda if (ret < 0) { 1781525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda dev_err(&ndev->dev, "%s: sh_eth_ring_init failed.\n", __func__); 1782525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda return ret; 1783525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda } 1784525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda ret = sh_eth_dev_init(ndev, false); 1785525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda if (ret < 0) { 1786525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda dev_err(&ndev->dev, "%s: sh_eth_dev_init failed.\n", __func__); 1787525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda return ret; 1788525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda } 1789525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda 1790525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda if (netif_running(ndev)) { 1791525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda sh_eth_write(ndev, mdp->cd->eesipr_value, EESIPR); 1792525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda /* Setting the Rx mode will start the Rx process. */ 1793525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda sh_eth_write(ndev, EDRRR_R, EDRRR); 1794525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda netif_wake_queue(ndev); 1795525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda } 1796525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda 1797525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda return 0; 1798525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda} 1799525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda 18009b07be4b2a78166bc54c8eedf18da8a8aafacfabstephen hemmingerstatic const struct ethtool_ops sh_eth_ethtool_ops = { 1801dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu .get_settings = sh_eth_get_settings, 1802dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu .set_settings = sh_eth_set_settings, 18039b07be4b2a78166bc54c8eedf18da8a8aafacfabstephen hemminger .nway_reset = sh_eth_nway_reset, 1804dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu .get_msglevel = sh_eth_get_msglevel, 1805dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu .set_msglevel = sh_eth_set_msglevel, 18069b07be4b2a78166bc54c8eedf18da8a8aafacfabstephen hemminger .get_link = ethtool_op_get_link, 1807dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu .get_strings = sh_eth_get_strings, 1808dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu .get_ethtool_stats = sh_eth_get_ethtool_stats, 1809dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu .get_sset_count = sh_eth_get_sset_count, 1810525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda .get_ringparam = sh_eth_get_ringparam, 1811525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda .set_ringparam = sh_eth_set_ringparam, 1812dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu}; 1813dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 181486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* network device open function */ 181586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic int sh_eth_open(struct net_device *ndev) 181686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 181786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu int ret = 0; 181886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 181986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1820bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm pm_runtime_get_sync(&mdp->pdev->dev); 1821bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm 1822a0607fd3a25ba1848a63a0d925e36d914735ab47Joe Perches ret = request_irq(ndev->irq, sh_eth_interrupt, 18235b3dfd13ae8bdebea67c02612fe282baff850bb0Nobuhiro Iwamatsu mdp->cd->irq_flags, ndev->name, ndev); 182486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (ret) { 1825380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda dev_err(&ndev->dev, "Can not assign IRQ number\n"); 182686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return ret; 182786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 182886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 182986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Descriptor set */ 183086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ret = sh_eth_ring_init(ndev); 183186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (ret) 183286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu goto out_free_irq; 183386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 183486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* device init */ 1835525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda ret = sh_eth_dev_init(ndev, true); 183686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (ret) 183786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu goto out_free_irq; 183886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 183986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* PHY control start*/ 184086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ret = sh_eth_phy_start(ndev); 184186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (ret) 184286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu goto out_free_irq; 184386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 184486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return ret; 184586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 184686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsuout_free_irq: 184786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu free_irq(ndev->irq, ndev); 1848bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm pm_runtime_put_sync(&mdp->pdev->dev); 184986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return ret; 185086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 185186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 185286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* Timeout function */ 185386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic void sh_eth_tx_timeout(struct net_device *ndev) 185486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 185586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 185686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_rxdesc *rxdesc; 185786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu int i; 185886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 185986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu netif_stop_queue(ndev); 186086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1861dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (netif_msg_timer(mdp)) 1862dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu dev_err(&ndev->dev, "%s: transmit timed out, status %8.8x," 18634a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda " resetting...\n", ndev->name, (int)sh_eth_read(ndev, EESR)); 186486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 186586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* tx_errors count up */ 1866bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.tx_errors++; 186786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 186886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Free all the skbuffs in the Rx queue. */ 1869525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda for (i = 0; i < mdp->num_rx_ring; i++) { 187086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu rxdesc = &mdp->rx_ring[i]; 187186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu rxdesc->status = 0; 187286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu rxdesc->addr = 0xBADF00D0; 187386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (mdp->rx_skbuff[i]) 187486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu dev_kfree_skb(mdp->rx_skbuff[i]); 187586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->rx_skbuff[i] = NULL; 187686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 1877525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda for (i = 0; i < mdp->num_tx_ring; i++) { 187886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (mdp->tx_skbuff[i]) 187986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu dev_kfree_skb(mdp->tx_skbuff[i]); 188086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->tx_skbuff[i] = NULL; 188186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 188286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 188386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* device init */ 1884525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda sh_eth_dev_init(ndev, true); 188586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 188686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 188786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* Packet transmit function */ 188886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic int sh_eth_start_xmit(struct sk_buff *skb, struct net_device *ndev) 188986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 189086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 189186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_txdesc *txdesc; 189286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu u32 entry; 1893fb5e2f9b9410a4362897d12dc1ed4f7cec1b0d45Nobuhiro Iwamatsu unsigned long flags; 189486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 189586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu spin_lock_irqsave(&mdp->lock, flags); 1896525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda if ((mdp->cur_tx - mdp->dirty_tx) >= (mdp->num_tx_ring - 4)) { 189786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (!sh_eth_txfree(ndev)) { 1898dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (netif_msg_tx_queued(mdp)) 1899dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu dev_warn(&ndev->dev, "TxFD exhausted.\n"); 190086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu netif_stop_queue(ndev); 190186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu spin_unlock_irqrestore(&mdp->lock, flags); 19025b548140225c6bbbbd560551dd1048b2c0ce58bePatrick McHardy return NETDEV_TX_BUSY; 190386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 190486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 190586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu spin_unlock_irqrestore(&mdp->lock, flags); 190686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1907525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda entry = mdp->cur_tx % mdp->num_tx_ring; 190886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->tx_skbuff[entry] = skb; 190986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu txdesc = &mdp->tx_ring[entry]; 191086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* soft swap. */ 1911380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (!mdp->cd->hw_swap) 1912380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda sh_eth_soft_swap(phys_to_virt(ALIGN(txdesc->addr, 4)), 1913380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda skb->len + 2); 191431fcb99d9958bdf04e84224e202f69e6cdac893bYoshihiro Shimoda txdesc->addr = dma_map_single(&ndev->dev, skb->data, skb->len, 191531fcb99d9958bdf04e84224e202f69e6cdac893bYoshihiro Shimoda DMA_TO_DEVICE); 191686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (skb->len < ETHERSMALL) 191786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu txdesc->buffer_length = ETHERSMALL; 191886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu else 191986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu txdesc->buffer_length = skb->len; 192086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1921525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda if (entry >= mdp->num_tx_ring - 1) 192271557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato txdesc->status |= cpu_to_edmac(mdp, TD_TACT | TD_TDLE); 192386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu else 192471557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato txdesc->status |= cpu_to_edmac(mdp, TD_TACT); 192586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 192686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->cur_tx++; 192786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1928c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda if (!(sh_eth_read(ndev, EDTRR) & sh_eth_get_edtrr_trns(mdp))) 1929c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda sh_eth_write(ndev, sh_eth_get_edtrr_trns(mdp), EDTRR); 1930b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu 19316ed106549d17474ca17a16057f4c0ed4eba5a7caPatrick McHardy return NETDEV_TX_OK; 193286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 193386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 193486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* device close function */ 193586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic int sh_eth_close(struct net_device *ndev) 193686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 193786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 193886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 193986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu netif_stop_queue(ndev); 194086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 194186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Disable interrupts by clearing the interrupt mask. */ 19424a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 0x0000, EESIPR); 194386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 194486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Stop the chip's Tx and Rx processes. */ 19454a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 0, EDTRR); 19464a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 0, EDRRR); 194786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 194886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* PHY Disconnect */ 194986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (mdp->phydev) { 195086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu phy_stop(mdp->phydev); 195186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu phy_disconnect(mdp->phydev); 195286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 195386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 195486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu free_irq(ndev->irq, ndev); 195586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 195686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Free all the skbuffs in the Rx queue. */ 195786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu sh_eth_ring_free(ndev); 195886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 195986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* free DMA buffer */ 196091c77550000a7d888aaf9f9ac13e3e3485d18560Yoshihiro Shimoda sh_eth_free_dma_buffer(mdp); 196186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1962bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm pm_runtime_put_sync(&mdp->pdev->dev); 1963bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm 196486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return 0; 196586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 196686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 196786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic struct net_device_stats *sh_eth_get_stats(struct net_device *ndev) 196886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 196986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 197086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1971bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm pm_runtime_get_sync(&mdp->pdev->dev); 1972bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm 1973bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.tx_dropped += sh_eth_read(ndev, TROCR); 19744a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 0, TROCR); /* (write clear) */ 1975bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.collisions += sh_eth_read(ndev, CDCR); 19764a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 0, CDCR); /* (write clear) */ 1977bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.tx_carrier_errors += sh_eth_read(ndev, LCCR); 19784a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 0, LCCR); /* (write clear) */ 1979c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda if (sh_eth_is_gether(mdp)) { 1980bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.tx_carrier_errors += sh_eth_read(ndev, CERCR); 1981c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda sh_eth_write(ndev, 0, CERCR); /* (write clear) */ 1982bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.tx_carrier_errors += sh_eth_read(ndev, CEECR); 1983c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda sh_eth_write(ndev, 0, CEECR); /* (write clear) */ 1984c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda } else { 1985bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.tx_carrier_errors += sh_eth_read(ndev, CNDCR); 1986c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda sh_eth_write(ndev, 0, CNDCR); /* (write clear) */ 1987c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda } 1988bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm pm_runtime_put_sync(&mdp->pdev->dev); 1989bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm 1990bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet return &ndev->stats; 199186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 199286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1993bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet/* ioctl to device function */ 199486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic int sh_eth_do_ioctl(struct net_device *ndev, struct ifreq *rq, 199586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu int cmd) 199686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 199786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 199886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct phy_device *phydev = mdp->phydev; 199986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 200086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (!netif_running(ndev)) 200186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return -EINVAL; 200286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 200386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (!phydev) 200486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return -ENODEV; 200586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 200628b041139e344ecd0f144d6205b004ae354cfa1eRichard Cochran return phy_mii_ioctl(phydev, rq, cmd); 200786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 200886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 20096743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda/* For TSU_POSTn. Please refer to the manual about this (strange) bitfields */ 20106743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimodastatic void *sh_eth_tsu_get_post_reg_offset(struct sh_eth_private *mdp, 20116743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda int entry) 20126743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda{ 20136743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return sh_eth_tsu_get_offset(mdp, TSU_POST1) + (entry / 8 * 4); 20146743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda} 20156743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 20166743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimodastatic u32 sh_eth_tsu_get_post_mask(int entry) 20176743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda{ 20186743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return 0x0f << (28 - ((entry % 8) * 4)); 20196743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda} 20206743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 20216743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimodastatic u32 sh_eth_tsu_get_post_bit(struct sh_eth_private *mdp, int entry) 20226743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda{ 20236743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return (0x08 >> (mdp->port << 1)) << (28 - ((entry % 8) * 4)); 20246743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda} 20256743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 20266743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimodastatic void sh_eth_tsu_enable_cam_entry_post(struct net_device *ndev, 20276743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda int entry) 20286743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda{ 20296743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 20306743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda u32 tmp; 20316743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda void *reg_offset; 20326743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 20336743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda reg_offset = sh_eth_tsu_get_post_reg_offset(mdp, entry); 20346743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda tmp = ioread32(reg_offset); 20356743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda iowrite32(tmp | sh_eth_tsu_get_post_bit(mdp, entry), reg_offset); 20366743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda} 20376743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 20386743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimodastatic bool sh_eth_tsu_disable_cam_entry_post(struct net_device *ndev, 20396743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda int entry) 20406743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda{ 20416743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 20426743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda u32 post_mask, ref_mask, tmp; 20436743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda void *reg_offset; 20446743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 20456743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda reg_offset = sh_eth_tsu_get_post_reg_offset(mdp, entry); 20466743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda post_mask = sh_eth_tsu_get_post_mask(entry); 20476743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda ref_mask = sh_eth_tsu_get_post_bit(mdp, entry) & ~post_mask; 20486743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 20496743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda tmp = ioread32(reg_offset); 20506743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda iowrite32(tmp & ~post_mask, reg_offset); 20516743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 20526743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda /* If other port enables, the function returns "true" */ 20536743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return tmp & ref_mask; 20546743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda} 20556743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 20566743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimodastatic int sh_eth_tsu_busy(struct net_device *ndev) 20576743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda{ 20586743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda int timeout = SH_ETH_TSU_TIMEOUT_MS * 100; 20596743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 20606743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 20616743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda while ((sh_eth_tsu_read(mdp, TSU_ADSBSY) & TSU_ADSBSY_0)) { 20626743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda udelay(10); 20636743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda timeout--; 20646743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (timeout <= 0) { 20656743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda dev_err(&ndev->dev, "%s: timeout\n", __func__); 20666743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return -ETIMEDOUT; 20676743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda } 20686743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda } 20696743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 20706743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return 0; 20716743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda} 20726743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 20736743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimodastatic int sh_eth_tsu_write_entry(struct net_device *ndev, void *reg, 20746743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda const u8 *addr) 20756743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda{ 20766743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda u32 val; 20776743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 20786743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda val = addr[0] << 24 | addr[1] << 16 | addr[2] << 8 | addr[3]; 20796743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda iowrite32(val, reg); 20806743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (sh_eth_tsu_busy(ndev) < 0) 20816743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return -EBUSY; 20826743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 20836743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda val = addr[4] << 8 | addr[5]; 20846743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda iowrite32(val, reg + 4); 20856743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (sh_eth_tsu_busy(ndev) < 0) 20866743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return -EBUSY; 20876743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 20886743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return 0; 20896743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda} 20906743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 20916743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimodastatic void sh_eth_tsu_read_entry(void *reg, u8 *addr) 20926743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda{ 20936743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda u32 val; 20946743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 20956743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda val = ioread32(reg); 20966743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda addr[0] = (val >> 24) & 0xff; 20976743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda addr[1] = (val >> 16) & 0xff; 20986743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda addr[2] = (val >> 8) & 0xff; 20996743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda addr[3] = val & 0xff; 21006743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda val = ioread32(reg + 4); 21016743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda addr[4] = (val >> 8) & 0xff; 21026743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda addr[5] = val & 0xff; 21036743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda} 21046743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 21056743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 21066743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimodastatic int sh_eth_tsu_find_entry(struct net_device *ndev, const u8 *addr) 21076743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda{ 21086743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 21096743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda void *reg_offset = sh_eth_tsu_get_offset(mdp, TSU_ADRH0); 21106743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda int i; 21116743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda u8 c_addr[ETH_ALEN]; 21126743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 21136743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda for (i = 0; i < SH_ETH_TSU_CAM_ENTRIES; i++, reg_offset += 8) { 21146743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda sh_eth_tsu_read_entry(reg_offset, c_addr); 21156743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (memcmp(addr, c_addr, ETH_ALEN) == 0) 21166743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return i; 21176743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda } 21186743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 21196743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return -ENOENT; 21206743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda} 21216743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 21226743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimodastatic int sh_eth_tsu_find_empty(struct net_device *ndev) 21236743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda{ 21246743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda u8 blank[ETH_ALEN]; 21256743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda int entry; 21266743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 21276743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda memset(blank, 0, sizeof(blank)); 21286743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda entry = sh_eth_tsu_find_entry(ndev, blank); 21296743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return (entry < 0) ? -ENOMEM : entry; 21306743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda} 21316743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 21326743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimodastatic int sh_eth_tsu_disable_cam_entry_table(struct net_device *ndev, 21336743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda int entry) 21346743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda{ 21356743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 21366743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda void *reg_offset = sh_eth_tsu_get_offset(mdp, TSU_ADRH0); 21376743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda int ret; 21386743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda u8 blank[ETH_ALEN]; 21396743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 21406743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda sh_eth_tsu_write(mdp, sh_eth_tsu_read(mdp, TSU_TEN) & 21416743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda ~(1 << (31 - entry)), TSU_TEN); 21426743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 21436743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda memset(blank, 0, sizeof(blank)); 21446743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda ret = sh_eth_tsu_write_entry(ndev, reg_offset + entry * 8, blank); 21456743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (ret < 0) 21466743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return ret; 21476743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return 0; 21486743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda} 21496743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 21506743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimodastatic int sh_eth_tsu_add_entry(struct net_device *ndev, const u8 *addr) 21516743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda{ 21526743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 21536743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda void *reg_offset = sh_eth_tsu_get_offset(mdp, TSU_ADRH0); 21546743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda int i, ret; 21556743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 21566743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (!mdp->cd->tsu) 21576743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return 0; 21586743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 21596743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda i = sh_eth_tsu_find_entry(ndev, addr); 21606743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (i < 0) { 21616743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda /* No entry found, create one */ 21626743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda i = sh_eth_tsu_find_empty(ndev); 21636743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (i < 0) 21646743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return -ENOMEM; 21656743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda ret = sh_eth_tsu_write_entry(ndev, reg_offset + i * 8, addr); 21666743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (ret < 0) 21676743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return ret; 21686743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 21696743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda /* Enable the entry */ 21706743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda sh_eth_tsu_write(mdp, sh_eth_tsu_read(mdp, TSU_TEN) | 21716743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda (1 << (31 - i)), TSU_TEN); 21726743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda } 21736743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 21746743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda /* Entry found or created, enable POST */ 21756743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda sh_eth_tsu_enable_cam_entry_post(ndev, i); 21766743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 21776743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return 0; 21786743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda} 21796743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 21806743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimodastatic int sh_eth_tsu_del_entry(struct net_device *ndev, const u8 *addr) 21816743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda{ 21826743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 21836743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda int i, ret; 21846743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 21856743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (!mdp->cd->tsu) 21866743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return 0; 21876743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 21886743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda i = sh_eth_tsu_find_entry(ndev, addr); 21896743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (i) { 21906743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda /* Entry found */ 21916743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (sh_eth_tsu_disable_cam_entry_post(ndev, i)) 21926743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda goto done; 21936743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 21946743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda /* Disable the entry if both ports was disabled */ 21956743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda ret = sh_eth_tsu_disable_cam_entry_table(ndev, i); 21966743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (ret < 0) 21976743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return ret; 21986743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda } 21996743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimodadone: 22006743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return 0; 22016743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda} 22026743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 22036743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimodastatic int sh_eth_tsu_purge_all(struct net_device *ndev) 22046743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda{ 22056743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 22066743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda int i, ret; 22076743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 22086743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (unlikely(!mdp->cd->tsu)) 22096743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return 0; 22106743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 22116743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda for (i = 0; i < SH_ETH_TSU_CAM_ENTRIES; i++) { 22126743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (sh_eth_tsu_disable_cam_entry_post(ndev, i)) 22136743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda continue; 22146743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 22156743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda /* Disable the entry if both ports was disabled */ 22166743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda ret = sh_eth_tsu_disable_cam_entry_table(ndev, i); 22176743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (ret < 0) 22186743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return ret; 22196743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda } 22206743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 22216743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return 0; 22226743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda} 22236743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 22246743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimodastatic void sh_eth_tsu_purge_mcast(struct net_device *ndev) 22256743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda{ 22266743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 22276743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda u8 addr[ETH_ALEN]; 22286743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda void *reg_offset = sh_eth_tsu_get_offset(mdp, TSU_ADRH0); 22296743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda int i; 22306743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 22316743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (unlikely(!mdp->cd->tsu)) 22326743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return; 22336743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 22346743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda for (i = 0; i < SH_ETH_TSU_CAM_ENTRIES; i++, reg_offset += 8) { 22356743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda sh_eth_tsu_read_entry(reg_offset, addr); 22366743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (is_multicast_ether_addr(addr)) 22376743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda sh_eth_tsu_del_entry(ndev, addr); 22386743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda } 22396743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda} 22406743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 224186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* Multicast reception directions set */ 224286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic void sh_eth_set_multicast_list(struct net_device *ndev) 224386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 22446743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 22456743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda u32 ecmr_bits; 22466743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda int mcast_all = 0; 22476743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda unsigned long flags; 22486743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 22496743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda spin_lock_irqsave(&mdp->lock, flags); 22506743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda /* 22516743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda * Initial condition is MCT = 1, PRM = 0. 22526743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda * Depending on ndev->flags, set PRM or clear MCT 22536743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda */ 22546743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda ecmr_bits = (sh_eth_read(ndev, ECMR) & ~ECMR_PRM) | ECMR_MCT; 22556743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 22566743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (!(ndev->flags & IFF_MULTICAST)) { 22576743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda sh_eth_tsu_purge_mcast(ndev); 22586743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda mcast_all = 1; 22596743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda } 22606743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (ndev->flags & IFF_ALLMULTI) { 22616743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda sh_eth_tsu_purge_mcast(ndev); 22626743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda ecmr_bits &= ~ECMR_MCT; 22636743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda mcast_all = 1; 22646743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda } 22656743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 226686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (ndev->flags & IFF_PROMISC) { 22676743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda sh_eth_tsu_purge_all(ndev); 22686743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda ecmr_bits = (ecmr_bits & ~ECMR_MCT) | ECMR_PRM; 22696743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda } else if (mdp->cd->tsu) { 22706743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda struct netdev_hw_addr *ha; 22716743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda netdev_for_each_mc_addr(ha, ndev) { 22726743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (mcast_all && is_multicast_ether_addr(ha->addr)) 22736743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda continue; 22746743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 22756743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (sh_eth_tsu_add_entry(ndev, ha->addr) < 0) { 22766743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (!mcast_all) { 22776743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda sh_eth_tsu_purge_mcast(ndev); 22786743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda ecmr_bits &= ~ECMR_MCT; 22796743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda mcast_all = 1; 22806743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda } 22816743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda } 22826743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda } 228386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } else { 228486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Normal, unicast/broadcast-only mode. */ 22856743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda ecmr_bits = (ecmr_bits & ~ECMR_PRM) | ECMR_MCT; 228686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 22876743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 22886743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda /* update the ethernet mode */ 22896743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda sh_eth_write(ndev, ecmr_bits, ECMR); 22906743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 22916743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda spin_unlock_irqrestore(&mdp->lock, flags); 229286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 229371cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda 229471cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimodastatic int sh_eth_get_vtag_index(struct sh_eth_private *mdp) 229571cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda{ 229671cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda if (!mdp->port) 229771cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda return TSU_VTAG0; 229871cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda else 229971cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda return TSU_VTAG1; 230071cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda} 230171cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda 230280d5c3689b886308247da295a228a54df49a44f6Patrick McHardystatic int sh_eth_vlan_rx_add_vid(struct net_device *ndev, 230380d5c3689b886308247da295a228a54df49a44f6Patrick McHardy __be16 proto, u16 vid) 230471cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda{ 230571cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 230671cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda int vtag_reg_index = sh_eth_get_vtag_index(mdp); 230771cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda 230871cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda if (unlikely(!mdp->cd->tsu)) 230971cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda return -EPERM; 231071cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda 231171cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda /* No filtering if vid = 0 */ 231271cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda if (!vid) 231371cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda return 0; 231471cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda 231571cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda mdp->vlan_num_ids++; 231671cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda 231771cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda /* 231871cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda * The controller has one VLAN tag HW filter. So, if the filter is 231971cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda * already enabled, the driver disables it and the filte 232071cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda */ 232171cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda if (mdp->vlan_num_ids > 1) { 232271cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda /* disable VLAN filter */ 232371cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda sh_eth_tsu_write(mdp, 0, vtag_reg_index); 232471cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda return 0; 232571cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda } 232671cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda 232771cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda sh_eth_tsu_write(mdp, TSU_VTAG_ENABLE | (vid & TSU_VTAG_VID_MASK), 232871cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda vtag_reg_index); 232971cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda 233071cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda return 0; 233171cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda} 233271cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda 233380d5c3689b886308247da295a228a54df49a44f6Patrick McHardystatic int sh_eth_vlan_rx_kill_vid(struct net_device *ndev, 233480d5c3689b886308247da295a228a54df49a44f6Patrick McHardy __be16 proto, u16 vid) 233571cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda{ 233671cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 233771cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda int vtag_reg_index = sh_eth_get_vtag_index(mdp); 233871cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda 233971cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda if (unlikely(!mdp->cd->tsu)) 234071cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda return -EPERM; 234171cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda 234271cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda /* No filtering if vid = 0 */ 234371cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda if (!vid) 234471cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda return 0; 234571cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda 234671cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda mdp->vlan_num_ids--; 234771cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda sh_eth_tsu_write(mdp, 0, vtag_reg_index); 234871cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda 234971cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda return 0; 235071cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda} 235186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 235286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* SuperH's TSU register init function */ 23534a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimodastatic void sh_eth_tsu_init(struct sh_eth_private *mdp) 235486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 23554a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_FWEN0); /* Disable forward(0->1) */ 23564a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_FWEN1); /* Disable forward(1->0) */ 23574a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_FCM); /* forward fifo 3k-3k */ 23584a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0xc, TSU_BSYSL0); 23594a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0xc, TSU_BSYSL1); 23604a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_PRISL0); 23614a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_PRISL1); 23624a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_FWSL0); 23634a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_FWSL1); 23644a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, TSU_FWSLC_POSTENU | TSU_FWSLC_POSTENL, TSU_FWSLC); 2365c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda if (sh_eth_is_gether(mdp)) { 2366c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_QTAG0); /* Disable QTAG(0->1) */ 2367c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_QTAG1); /* Disable QTAG(1->0) */ 2368c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda } else { 2369c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_QTAGM0); /* Disable QTAG(0->1) */ 2370c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_QTAGM1); /* Disable QTAG(1->0) */ 2371c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda } 23724a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_FWSR); /* all interrupt status clear */ 23734a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_FWINMK); /* Disable all interrupt */ 23744a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_TEN); /* Disable all CAM entry */ 23754a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_POST1); /* Disable CAM entry [ 0- 7] */ 23764a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_POST2); /* Disable CAM entry [ 8-15] */ 23774a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_POST3); /* Disable CAM entry [16-23] */ 23784a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_POST4); /* Disable CAM entry [24-31] */ 237986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 238086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 238186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* MDIO bus release function */ 238286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic int sh_mdio_release(struct net_device *ndev) 238386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 238486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct mii_bus *bus = dev_get_drvdata(&ndev->dev); 238586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 238686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* unregister mdio bus */ 238786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdiobus_unregister(bus); 238886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 238986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* remove mdio bus info from net_device */ 239086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu dev_set_drvdata(&ndev->dev, NULL); 239186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 239286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* free bitbang info */ 239386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu free_mdio_bitbang(bus); 239486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 239586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return 0; 239686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 239786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 239886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* MDIO bus init function */ 2399b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimodastatic int sh_mdio_init(struct net_device *ndev, int id, 2400b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda struct sh_eth_plat_data *pd) 240186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 240286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu int ret, i; 240386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct bb_info *bitbang; 240486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 240586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 240686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* create bit control struct for PHY */ 2407d5e07e69218fd9aa21d6c8c5ccc629d92bdb9b0fSergei Shtylyov bitbang = devm_kzalloc(&ndev->dev, sizeof(struct bb_info), 2408d5e07e69218fd9aa21d6c8c5ccc629d92bdb9b0fSergei Shtylyov GFP_KERNEL); 240986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (!bitbang) { 241086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ret = -ENOMEM; 241186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu goto out; 241286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 241386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 241486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* bitbang init */ 2415ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda bitbang->addr = mdp->addr + mdp->reg_offset[PIR]; 2416b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda bitbang->set_gate = pd->set_mdio_gate; 2417dfed5e7fb4ec946694cad7400d75c44f3bb7f645Sergei Shtylyov bitbang->mdi_msk = PIR_MDI; 2418dfed5e7fb4ec946694cad7400d75c44f3bb7f645Sergei Shtylyov bitbang->mdo_msk = PIR_MDO; 2419dfed5e7fb4ec946694cad7400d75c44f3bb7f645Sergei Shtylyov bitbang->mmd_msk = PIR_MMD; 2420dfed5e7fb4ec946694cad7400d75c44f3bb7f645Sergei Shtylyov bitbang->mdc_msk = PIR_MDC; 242186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu bitbang->ctrl.ops = &bb_ops; 242286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 2423c2e07b3a9ced33dd92597201be3931be8ea57ed6Stefan Weil /* MII controller setting */ 242486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->mii_bus = alloc_mdio_bitbang(&bitbang->ctrl); 242586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (!mdp->mii_bus) { 242686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ret = -ENOMEM; 2427d5e07e69218fd9aa21d6c8c5ccc629d92bdb9b0fSergei Shtylyov goto out; 242886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 242986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 243086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Hook up MII support for ethtool */ 243186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->mii_bus->name = "sh_mii"; 243218ee49ddb0d242ed1d0e273038d5e4f6de7379d3Lennert Buytenhek mdp->mii_bus->parent = &ndev->dev; 24335278fb547076ad6768d16c8b4df45c086470c163Florian Fainelli snprintf(mdp->mii_bus->id, MII_BUS_ID_SIZE, "%s-%x", 243434aa6f1400810890636ba0b170effbfa71eacec7Nobuhiro Iwamatsu mdp->pdev->name, id); 243586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 243686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* PHY IRQ */ 2437d5e07e69218fd9aa21d6c8c5ccc629d92bdb9b0fSergei Shtylyov mdp->mii_bus->irq = devm_kzalloc(&ndev->dev, 2438d5e07e69218fd9aa21d6c8c5ccc629d92bdb9b0fSergei Shtylyov sizeof(int) * PHY_MAX_ADDR, 2439d5e07e69218fd9aa21d6c8c5ccc629d92bdb9b0fSergei Shtylyov GFP_KERNEL); 244086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (!mdp->mii_bus->irq) { 244186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ret = -ENOMEM; 244286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu goto out_free_bus; 244386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 244486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 244586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu for (i = 0; i < PHY_MAX_ADDR; i++) 244686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->mii_bus->irq[i] = PHY_POLL; 244786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 24488f6352f2b5aecd4b0af5ef31361af1146f9528d6YOSHIFUJI Hideaki / 吉藤英明 /* register mdio bus */ 244986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ret = mdiobus_register(mdp->mii_bus); 245086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (ret) 2451d5e07e69218fd9aa21d6c8c5ccc629d92bdb9b0fSergei Shtylyov goto out_free_bus; 245286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 245386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu dev_set_drvdata(&ndev->dev, mdp->mii_bus); 245486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 245586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return 0; 245686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 245786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsuout_free_bus: 2458298cf9beb9679522de995e249eccbd82f7c51999Lennert Buytenhek free_mdio_bitbang(mdp->mii_bus); 245986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 246086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsuout: 246186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return ret; 246286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 246386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 24644a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimodastatic const u16 *sh_eth_get_register_offset(int register_type) 24654a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda{ 24664a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda const u16 *reg_offset = NULL; 24674a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda 24684a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda switch (register_type) { 24694a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda case SH_ETH_REG_GIGABIT: 24704a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda reg_offset = sh_eth_offset_gigabit; 24714a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda break; 2472a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov case SH_ETH_REG_FAST_RCAR: 2473a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov reg_offset = sh_eth_offset_fast_rcar; 2474a3f109bd793dfe5c611220ca5ab6c72f1aed479eSergei Shtylyov break; 24754a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda case SH_ETH_REG_FAST_SH4: 24764a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda reg_offset = sh_eth_offset_fast_sh4; 24774a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda break; 24784a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda case SH_ETH_REG_FAST_SH3_SH2: 24794a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda reg_offset = sh_eth_offset_fast_sh3_sh2; 24804a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda break; 24814a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda default: 248214c3326a111b948cabc35d523a43a1e6663f6091Nobuhiro Iwamatsu pr_err("Unknown register type (%d)\n", register_type); 24834a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda break; 24844a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda } 24854a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda 24864a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda return reg_offset; 24874a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda} 24884a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda 24899f86134155047720a3685cda21467f68695152d2Nobuhiro Iwamatsustatic struct net_device_ops sh_eth_netdev_ops = { 2490ebf84eaa927be41a440fd4c8f81e1844922bc0b2Alexander Beregalov .ndo_open = sh_eth_open, 2491ebf84eaa927be41a440fd4c8f81e1844922bc0b2Alexander Beregalov .ndo_stop = sh_eth_close, 2492ebf84eaa927be41a440fd4c8f81e1844922bc0b2Alexander Beregalov .ndo_start_xmit = sh_eth_start_xmit, 2493ebf84eaa927be41a440fd4c8f81e1844922bc0b2Alexander Beregalov .ndo_get_stats = sh_eth_get_stats, 2494ebf84eaa927be41a440fd4c8f81e1844922bc0b2Alexander Beregalov .ndo_tx_timeout = sh_eth_tx_timeout, 2495ebf84eaa927be41a440fd4c8f81e1844922bc0b2Alexander Beregalov .ndo_do_ioctl = sh_eth_do_ioctl, 2496ebf84eaa927be41a440fd4c8f81e1844922bc0b2Alexander Beregalov .ndo_validate_addr = eth_validate_addr, 2497ebf84eaa927be41a440fd4c8f81e1844922bc0b2Alexander Beregalov .ndo_set_mac_address = eth_mac_addr, 2498ebf84eaa927be41a440fd4c8f81e1844922bc0b2Alexander Beregalov .ndo_change_mtu = eth_change_mtu, 2499ebf84eaa927be41a440fd4c8f81e1844922bc0b2Alexander Beregalov}; 2500ebf84eaa927be41a440fd4c8f81e1844922bc0b2Alexander Beregalov 250186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic int sh_eth_drv_probe(struct platform_device *pdev) 250286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 25039c38657cfcb739b7dc4ce9065a85b4f0c195bef8Kuninori Morimoto int ret, devno = 0; 250486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct resource *res; 250586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct net_device *ndev = NULL; 2506ec0d75518cb06261f1823fa2713fe52b9b26455eKuninori Morimoto struct sh_eth_private *mdp = NULL; 2507564044b0928d46a87774c246ae80cb3cead9264dSergei Shtylyov struct sh_eth_plat_data *pd = pdev->dev.platform_data; 2508afe391ad4b05f8f00ca955e165f3b37b480506b7Sergei Shtylyov const struct platform_device_id *id = platform_get_device_id(pdev); 250986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 251086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* get base addr */ 251186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu res = platform_get_resource(pdev, IORESOURCE_MEM, 0); 251286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (unlikely(res == NULL)) { 251386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu dev_err(&pdev->dev, "invalid resource\n"); 251486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ret = -EINVAL; 251586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu goto out; 251686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 251786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 251886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ndev = alloc_etherdev(sizeof(struct sh_eth_private)); 251986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (!ndev) { 252086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ret = -ENOMEM; 252186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu goto out; 252286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 252386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 252486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* The sh Ether-specific entries in the device structure. */ 252586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ndev->base_addr = res->start; 252686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu devno = pdev->id; 252786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (devno < 0) 252886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu devno = 0; 252986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 253086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ndev->dma = -1; 2531cc3c080d9f4484021e7b14f99de94a8c85a668d5roel kluin ret = platform_get_irq(pdev, 0); 2532cc3c080d9f4484021e7b14f99de94a8c85a668d5roel kluin if (ret < 0) { 253386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ret = -ENODEV; 253486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu goto out_release; 253586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 2536cc3c080d9f4484021e7b14f99de94a8c85a668d5roel kluin ndev->irq = ret; 253786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 253886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu SET_NETDEV_DEV(ndev, &pdev->dev); 253986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 254086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Fill in the fields of the device structure with ethernet values. */ 254186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ether_setup(ndev); 254286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 254386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp = netdev_priv(ndev); 2544525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda mdp->num_tx_ring = TX_RING_SIZE; 2545525b8075edda9c2ab4b81e210505bd7487ea6e56Yoshihiro Shimoda mdp->num_rx_ring = RX_RING_SIZE; 2546d5e07e69218fd9aa21d6c8c5ccc629d92bdb9b0fSergei Shtylyov mdp->addr = devm_ioremap_resource(&pdev->dev, res); 2547d5e07e69218fd9aa21d6c8c5ccc629d92bdb9b0fSergei Shtylyov if (IS_ERR(mdp->addr)) { 2548d5e07e69218fd9aa21d6c8c5ccc629d92bdb9b0fSergei Shtylyov ret = PTR_ERR(mdp->addr); 2549ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda goto out_release; 2550ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda } 2551ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda 255286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu spin_lock_init(&mdp->lock); 2553bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm mdp->pdev = pdev; 2554bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm pm_runtime_enable(&pdev->dev); 2555bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm pm_runtime_resume(&pdev->dev); 255686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 255786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* get PHY ID */ 255871557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato mdp->phy_id = pd->phy; 2559e47c90523484518aac30498150e427d824ace705Yoshihiro Shimoda mdp->phy_interface = pd->phy_interface; 256071557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato /* EDMAC endian */ 256171557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato mdp->edmac_endian = pd->edmac_endian; 25624923576b8ac5bfd36ab2beb176aeb747aaab7e41Yoshihiro Shimoda mdp->no_ether_link = pd->no_ether_link; 25634923576b8ac5bfd36ab2beb176aeb747aaab7e41Yoshihiro Shimoda mdp->ether_link_active_low = pd->ether_link_active_low; 25644a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda mdp->reg_offset = sh_eth_get_register_offset(pd->register_type); 256586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 2566380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda /* set cpu data */ 2567589ebdef7e3107401bf96a9c660753d397329ee9Sergei Shtylyov mdp->cd = (struct sh_eth_cpu_data *)id->driver_data; 2568380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda sh_eth_set_default_cpu_data(mdp->cd); 2569380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 257086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* set function */ 25719f86134155047720a3685cda21467f68695152d2Nobuhiro Iwamatsu if (mdp->cd->tsu) { 25729f86134155047720a3685cda21467f68695152d2Nobuhiro Iwamatsu sh_eth_netdev_ops.ndo_set_rx_mode = sh_eth_set_multicast_list; 25739f86134155047720a3685cda21467f68695152d2Nobuhiro Iwamatsu sh_eth_netdev_ops.ndo_vlan_rx_add_vid = sh_eth_vlan_rx_add_vid; 25749f86134155047720a3685cda21467f68695152d2Nobuhiro Iwamatsu sh_eth_netdev_ops.ndo_vlan_rx_kill_vid = 25759f86134155047720a3685cda21467f68695152d2Nobuhiro Iwamatsu sh_eth_vlan_rx_kill_vid; 25769f86134155047720a3685cda21467f68695152d2Nobuhiro Iwamatsu } 25779f86134155047720a3685cda21467f68695152d2Nobuhiro Iwamatsu 2578ebf84eaa927be41a440fd4c8f81e1844922bc0b2Alexander Beregalov ndev->netdev_ops = &sh_eth_netdev_ops; 2579dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu SET_ETHTOOL_OPS(ndev, &sh_eth_ethtool_ops); 258086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ndev->watchdog_timeo = TX_TIMEOUT; 258186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 2582dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu /* debug message level */ 2583dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu mdp->msg_enable = SH_ETH_DEF_MSG_ENABLE; 258486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 258586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* read and set MAC address */ 2586748031f9fd2c06b28817d80761a5de97190cfd03Magnus Damm read_mac_address(ndev, pd->mac_addr); 2587ff6e722870ddca2808b5d46159e58904f8ededf1Sergei Shtylyov if (!is_valid_ether_addr(ndev->dev_addr)) { 2588ff6e722870ddca2808b5d46159e58904f8ededf1Sergei Shtylyov dev_warn(&pdev->dev, 2589ff6e722870ddca2808b5d46159e58904f8ededf1Sergei Shtylyov "no valid MAC address supplied, using a random one.\n"); 2590ff6e722870ddca2808b5d46159e58904f8ededf1Sergei Shtylyov eth_hw_addr_random(ndev); 2591ff6e722870ddca2808b5d46159e58904f8ededf1Sergei Shtylyov } 259286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 25936ba88021c36516c26c11eff8c6d7d9a045faecd3Yoshihiro Shimoda /* ioremap the TSU registers */ 25946ba88021c36516c26c11eff8c6d7d9a045faecd3Yoshihiro Shimoda if (mdp->cd->tsu) { 25956ba88021c36516c26c11eff8c6d7d9a045faecd3Yoshihiro Shimoda struct resource *rtsu; 25966ba88021c36516c26c11eff8c6d7d9a045faecd3Yoshihiro Shimoda rtsu = platform_get_resource(pdev, IORESOURCE_MEM, 1); 2597d5e07e69218fd9aa21d6c8c5ccc629d92bdb9b0fSergei Shtylyov mdp->tsu_addr = devm_ioremap_resource(&pdev->dev, rtsu); 2598d5e07e69218fd9aa21d6c8c5ccc629d92bdb9b0fSergei Shtylyov if (IS_ERR(mdp->tsu_addr)) { 2599d5e07e69218fd9aa21d6c8c5ccc629d92bdb9b0fSergei Shtylyov ret = PTR_ERR(mdp->tsu_addr); 2600fc0c0900408e05758a0df17c1924ca837fafca5eSergei Shtylyov goto out_release; 2601fc0c0900408e05758a0df17c1924ca837fafca5eSergei Shtylyov } 26026743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda mdp->port = devno % 2; 2603f646968f8f7c624587de729115d802372b9063ddPatrick McHardy ndev->features = NETIF_F_HW_VLAN_CTAG_FILTER; 26046ba88021c36516c26c11eff8c6d7d9a045faecd3Yoshihiro Shimoda } 26056ba88021c36516c26c11eff8c6d7d9a045faecd3Yoshihiro Shimoda 2606150647fb2c313d7c5184fca3fa0829a4a7d6f7bcYoshihiro Shimoda /* initialize first or needed device */ 2607150647fb2c313d7c5184fca3fa0829a4a7d6f7bcYoshihiro Shimoda if (!devno || pd->needs_init) { 2608380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (mdp->cd->chip_reset) 2609380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda mdp->cd->chip_reset(ndev); 261086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 26114986b996882d82c68ab54b822d7cfdd7dd35f19aYoshihiro Shimoda if (mdp->cd->tsu) { 26124986b996882d82c68ab54b822d7cfdd7dd35f19aYoshihiro Shimoda /* TSU init (Init only)*/ 26134986b996882d82c68ab54b822d7cfdd7dd35f19aYoshihiro Shimoda sh_eth_tsu_init(mdp); 26144986b996882d82c68ab54b822d7cfdd7dd35f19aYoshihiro Shimoda } 261586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 261686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 261786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* network device register */ 261886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ret = register_netdev(ndev); 261986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (ret) 262086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu goto out_release; 262186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 262286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* mdio bus init */ 2623b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda ret = sh_mdio_init(ndev, pdev->id, pd); 262486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (ret) 262586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu goto out_unregister; 262686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 262725985edcedea6396277003854657b5f3cb31a628Lucas De Marchi /* print device information */ 26286cd9b49d7328c4656bfc17fcb47fb814955d40d2H Hartley Sweeten pr_info("Base address at 0x%x, %pM, IRQ %d.\n", 26296cd9b49d7328c4656bfc17fcb47fb814955d40d2H Hartley Sweeten (u32)ndev->base_addr, ndev->dev_addr, ndev->irq); 263086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 263186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu platform_set_drvdata(pdev, ndev); 263286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 263386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return ret; 263486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 263586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsuout_unregister: 263686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu unregister_netdev(ndev); 263786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 263886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsuout_release: 263986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* net_dev free */ 264086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (ndev) 264186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu free_netdev(ndev); 264286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 264386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsuout: 264486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return ret; 264586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 264686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 264786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic int sh_eth_drv_remove(struct platform_device *pdev) 264886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 264986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct net_device *ndev = platform_get_drvdata(pdev); 265086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 265186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu sh_mdio_release(ndev); 265286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu unregister_netdev(ndev); 2653bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm pm_runtime_disable(&pdev->dev); 265486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu free_netdev(ndev); 265586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 265686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return 0; 265786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 265886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 2659540ad1b888ad9564520c1c8c48ad675f76ffce62Nobuhiro Iwamatsu#ifdef CONFIG_PM 2660bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Dammstatic int sh_eth_runtime_nop(struct device *dev) 2661bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm{ 2662bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm /* 2663bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm * Runtime PM callback shared between ->runtime_suspend() 2664bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm * and ->runtime_resume(). Simply returns success. 2665bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm * 2666bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm * This driver re-initializes all registers after 2667bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm * pm_runtime_get_sync() anyway so there is no need 2668bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm * to save and restore registers here. 2669bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm */ 2670bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm return 0; 2671bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm} 2672bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm 2673540ad1b888ad9564520c1c8c48ad675f76ffce62Nobuhiro Iwamatsustatic const struct dev_pm_ops sh_eth_dev_pm_ops = { 2674bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm .runtime_suspend = sh_eth_runtime_nop, 2675bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm .runtime_resume = sh_eth_runtime_nop, 2676bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm}; 2677540ad1b888ad9564520c1c8c48ad675f76ffce62Nobuhiro Iwamatsu#define SH_ETH_PM_OPS (&sh_eth_dev_pm_ops) 2678540ad1b888ad9564520c1c8c48ad675f76ffce62Nobuhiro Iwamatsu#else 2679540ad1b888ad9564520c1c8c48ad675f76ffce62Nobuhiro Iwamatsu#define SH_ETH_PM_OPS NULL 2680540ad1b888ad9564520c1c8c48ad675f76ffce62Nobuhiro Iwamatsu#endif 2681bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm 2682afe391ad4b05f8f00ca955e165f3b37b480506b7Sergei Shtylyovstatic struct platform_device_id sh_eth_id_table[] = { 2683c18a79abe31f555ec3b363b5b8c1d003230053b6Sergei Shtylyov { "sh7619-ether", (kernel_ulong_t)&sh7619_data }, 26847bbe150d8c57c59689c8c50fd7b9915f4a7e10daSergei Shtylyov { "sh771x-ether", (kernel_ulong_t)&sh771x_data }, 26859c3beaabb951d672b1534c7f56f84054b088f879Sergei Shtylyov { "sh7724-ether", (kernel_ulong_t)&sh7724_data }, 2686f5d12767c8fd77e29d3d6771de59fd9ac3e540bbSergei Shtylyov { "sh7734-gether", (kernel_ulong_t)&sh7734_data }, 268724549e2a0f33628b5160eac16c6aebf1cfaf22f1Sergei Shtylyov { "sh7757-ether", (kernel_ulong_t)&sh7757_data }, 268824549e2a0f33628b5160eac16c6aebf1cfaf22f1Sergei Shtylyov { "sh7757-gether", (kernel_ulong_t)&sh7757_data_giga }, 2689f5d12767c8fd77e29d3d6771de59fd9ac3e540bbSergei Shtylyov { "sh7763-gether", (kernel_ulong_t)&sh7763_data }, 2690e5c9b4cd665106d9b5397114ea81a53059410b6aSergei Shtylyov { "r8a7740-gether", (kernel_ulong_t)&r8a7740_data }, 2691589ebdef7e3107401bf96a9c660753d397329ee9Sergei Shtylyov { "r8a777x-ether", (kernel_ulong_t)&r8a777x_data }, 2692afe391ad4b05f8f00ca955e165f3b37b480506b7Sergei Shtylyov { } 2693afe391ad4b05f8f00ca955e165f3b37b480506b7Sergei Shtylyov}; 2694afe391ad4b05f8f00ca955e165f3b37b480506b7Sergei ShtylyovMODULE_DEVICE_TABLE(platform, sh_eth_id_table); 2695afe391ad4b05f8f00ca955e165f3b37b480506b7Sergei Shtylyov 269686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic struct platform_driver sh_eth_driver = { 269786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu .probe = sh_eth_drv_probe, 269886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu .remove = sh_eth_drv_remove, 2699afe391ad4b05f8f00ca955e165f3b37b480506b7Sergei Shtylyov .id_table = sh_eth_id_table, 270086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu .driver = { 270186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu .name = CARDNAME, 2702540ad1b888ad9564520c1c8c48ad675f76ffce62Nobuhiro Iwamatsu .pm = SH_ETH_PM_OPS, 270386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu }, 270486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu}; 270586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 2706db62f684deeb291ab2533b99843d5df9a36b1f19Axel Linmodule_platform_driver(sh_eth_driver); 270786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 270886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro IwamatsuMODULE_AUTHOR("Nobuhiro Iwamatsu, Yoshihiro Shimoda"); 270986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro IwamatsuMODULE_DESCRIPTION("Renesas SuperH Ethernet driver"); 271086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro IwamatsuMODULE_LICENSE("GPL v2"); 2711