sh_eth.c revision 79fba9f51755c704c0a7d7b7f0df10874dc0a744
186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* 286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * SuperH Ethernet device driver 386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * 4f0e81fecd4f83de7854262c8a6b3af19dfa99bf9Nobuhiro Iwamatsu * Copyright (C) 2006-2012 Nobuhiro Iwamatsu 5f0e81fecd4f83de7854262c8a6b3af19dfa99bf9Nobuhiro Iwamatsu * Copyright (C) 2008-2012 Renesas Solutions Corp. 686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * 786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * This program is free software; you can redistribute it and/or modify it 886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * under the terms and conditions of the GNU General Public License, 986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * version 2, as published by the Free Software Foundation. 1086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * 1186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * This program is distributed in the hope it will be useful, but WITHOUT 1286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 1386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 1486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * more details. 1586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * You should have received a copy of the GNU General Public License along with 1686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * this program; if not, write to the Free Software Foundation, Inc., 1786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. 1886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * 1986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * The full GNU General Public License is included in this distribution in 2086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * the file called "COPYING". 2186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu */ 2286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 2386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu#include <linux/init.h> 240654011d900670884197d9a06ad17b378dfde831Yoshihiro Shimoda#include <linux/module.h> 250654011d900670884197d9a06ad17b378dfde831Yoshihiro Shimoda#include <linux/kernel.h> 260654011d900670884197d9a06ad17b378dfde831Yoshihiro Shimoda#include <linux/spinlock.h> 276a27cdeddf48858089e3672f844615cbf0877ebfNobuhiro Iwamatsu#include <linux/interrupt.h> 2886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu#include <linux/dma-mapping.h> 2986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu#include <linux/etherdevice.h> 3086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu#include <linux/delay.h> 3186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu#include <linux/platform_device.h> 3286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu#include <linux/mdio-bitbang.h> 3386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu#include <linux/netdevice.h> 3486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu#include <linux/phy.h> 3586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu#include <linux/cache.h> 3686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu#include <linux/io.h> 37bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm#include <linux/pm_runtime.h> 385a0e3ad6af8660be21ca98a971cd00f331318c05Tejun Heo#include <linux/slab.h> 39dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu#include <linux/ethtool.h> 40fdb37a7f84a58ccad24abffd54ad46d23b763e13Yoshihiro Shimoda#include <linux/if_vlan.h> 41f0e81fecd4f83de7854262c8a6b3af19dfa99bf9Nobuhiro Iwamatsu#include <linux/clk.h> 42d4fa0e35fdbd54acf791fa3793d6d17f7795f7aeYoshihiro Shimoda#include <linux/sh_eth.h> 4386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 4486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu#include "sh_eth.h" 4586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 46dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu#define SH_ETH_DEF_MSG_ENABLE \ 47dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu (NETIF_MSG_LINK | \ 48dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu NETIF_MSG_TIMER | \ 49dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu NETIF_MSG_RX_ERR| \ 50dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu NETIF_MSG_TX_ERR) 51dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 52380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda/* There is CPU dependent code */ 5365ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda#if defined(CONFIG_CPU_SUBTYPE_SH7724) 5465ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda#define SH_ETH_RESET_DEFAULT 1 5565ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimodastatic void sh_eth_set_duplex(struct net_device *ndev) 5665ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda{ 5765ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 5865ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda 5965ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda if (mdp->duplex) /* Full */ 604a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, ECMR) | ECMR_DM, ECMR); 6165ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda else /* Half */ 624a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, ECMR) & ~ECMR_DM, ECMR); 6365ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda} 6465ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda 6565ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimodastatic void sh_eth_set_rate(struct net_device *ndev) 6665ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda{ 6765ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 6865ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda 6965ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda switch (mdp->speed) { 7065ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda case 10: /* 10BASE */ 714a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, ECMR) & ~ECMR_RTM, ECMR); 7265ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda break; 7365ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda case 100:/* 100BASE */ 744a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, ECMR) | ECMR_RTM, ECMR); 7565ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda break; 7665ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda default: 7765ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda break; 7865ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda } 7965ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda} 8065ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda 8165ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda/* SH7724 */ 8265ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimodastatic struct sh_eth_cpu_data sh_eth_my_cpu_data = { 8365ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda .set_duplex = sh_eth_set_duplex, 8465ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda .set_rate = sh_eth_set_rate, 8565ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda 8665ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda .ecsr_value = ECSR_PSRTO | ECSR_LCHNG | ECSR_ICD, 8765ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda .ecsipr_value = ECSIPR_PSRTOIP | ECSIPR_LCHNGIP | ECSIPR_ICDIP, 8865ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda .eesipr_value = DMAC_M_RFRMER | DMAC_M_ECI | 0x01ff009f, 8965ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda 9065ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda .tx_check = EESR_FTC | EESR_CND | EESR_DLC | EESR_CD | EESR_RTO, 9165ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda .eesr_err_check = EESR_TWB | EESR_TABT | EESR_RABT | EESR_RDE | 9265ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda EESR_RFRMER | EESR_TFE | EESR_TDE | EESR_ECI, 9365ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda .tx_error_check = EESR_TWB | EESR_TABT | EESR_TDE | EESR_TFE, 9465ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda 9565ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda .apr = 1, 9665ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda .mpr = 1, 9765ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda .tpauser = 1, 9865ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda .hw_swap = 1, 99503914cf4a4b5dbe3f844e0a92f412ae99fde70eMagnus Damm .rpadir = 1, 100503914cf4a4b5dbe3f844e0a92f412ae99fde70eMagnus Damm .rpadir_value = 0x00020000, /* NET_IP_ALIGN assumed to be 2 */ 10165ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda}; 102f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda#elif defined(CONFIG_CPU_SUBTYPE_SH7757) 1038fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda#define SH_ETH_HAS_BOTH_MODULES 1 1048fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda#define SH_ETH_HAS_TSU 1 105f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimodastatic void sh_eth_set_duplex(struct net_device *ndev) 106f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda{ 107f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 108f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda 109f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda if (mdp->duplex) /* Full */ 1104a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, ECMR) | ECMR_DM, ECMR); 111f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda else /* Half */ 1124a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, ECMR) & ~ECMR_DM, ECMR); 113f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda} 114f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda 115f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimodastatic void sh_eth_set_rate(struct net_device *ndev) 116f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda{ 117f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 118f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda 119f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda switch (mdp->speed) { 120f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda case 10: /* 10BASE */ 1214a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 0, RTRATE); 122f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda break; 123f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda case 100:/* 100BASE */ 1244a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 1, RTRATE); 125f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda break; 126f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda default: 127f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda break; 128f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda } 129f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda} 130f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda 131f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda/* SH7757 */ 132f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimodastatic struct sh_eth_cpu_data sh_eth_my_cpu_data = { 133f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda .set_duplex = sh_eth_set_duplex, 134f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda .set_rate = sh_eth_set_rate, 135f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda 136f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda .eesipr_value = DMAC_M_RFRMER | DMAC_M_ECI | 0x003fffff, 137f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda .rmcr_value = 0x00000001, 138f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda 139f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda .tx_check = EESR_FTC | EESR_CND | EESR_DLC | EESR_CD | EESR_RTO, 140f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda .eesr_err_check = EESR_TWB | EESR_TABT | EESR_RABT | EESR_RDE | 141f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda EESR_RFRMER | EESR_TFE | EESR_TDE | EESR_ECI, 142f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda .tx_error_check = EESR_TWB | EESR_TABT | EESR_TDE | EESR_TFE, 143f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda 144f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda .apr = 1, 145f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda .mpr = 1, 146f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda .tpauser = 1, 147f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda .hw_swap = 1, 148f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda .no_ade = 1, 1492e98e7974de208de0dab9e9969bd47576d07ff10Yoshihiro Shimoda .rpadir = 1, 1502e98e7974de208de0dab9e9969bd47576d07ff10Yoshihiro Shimoda .rpadir_value = 2 << 16, 151f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda}; 15265ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda 1538fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda#define SH_GIGA_ETH_BASE 0xfee00000 1548fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda#define GIGA_MALR(port) (SH_GIGA_ETH_BASE + 0x800 * (port) + 0x05c8) 1558fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda#define GIGA_MAHR(port) (SH_GIGA_ETH_BASE + 0x800 * (port) + 0x05c0) 1568fcd496151b4354569283056076339239b86fabeYoshihiro Shimodastatic void sh_eth_chip_reset_giga(struct net_device *ndev) 1578fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda{ 1588fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda int i; 1598fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda unsigned long mahr[2], malr[2]; 1608fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda 1618fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda /* save MAHR and MALR */ 1628fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda for (i = 0; i < 2; i++) { 163ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda malr[i] = ioread32((void *)GIGA_MALR(i)); 164ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda mahr[i] = ioread32((void *)GIGA_MAHR(i)); 1658fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda } 1668fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda 1678fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda /* reset device */ 168ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda iowrite32(ARSTR_ARSTR, (void *)(SH_GIGA_ETH_BASE + 0x1800)); 1698fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda mdelay(1); 1708fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda 1718fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda /* restore MAHR and MALR */ 1728fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda for (i = 0; i < 2; i++) { 173ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda iowrite32(malr[i], (void *)GIGA_MALR(i)); 174ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda iowrite32(mahr[i], (void *)GIGA_MAHR(i)); 1758fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda } 1768fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda} 1778fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda 1788fcd496151b4354569283056076339239b86fabeYoshihiro Shimodastatic int sh_eth_is_gether(struct sh_eth_private *mdp); 1798fcd496151b4354569283056076339239b86fabeYoshihiro Shimodastatic void sh_eth_reset(struct net_device *ndev) 1808fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda{ 1818fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 1828fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda int cnt = 100; 1838fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda 1848fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda if (sh_eth_is_gether(mdp)) { 1858fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda sh_eth_write(ndev, 0x03, EDSR); 1868fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, EDMR) | EDMR_SRST_GETHER, 1878fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda EDMR); 1888fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda while (cnt > 0) { 1898fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda if (!(sh_eth_read(ndev, EDMR) & 0x3)) 1908fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda break; 1918fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda mdelay(1); 1928fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda cnt--; 1938fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda } 1948fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda if (cnt < 0) 1958fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda printk(KERN_ERR "Device reset fail\n"); 1968fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda 1978fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda /* Table Init */ 1988fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda sh_eth_write(ndev, 0x0, TDLAR); 1998fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda sh_eth_write(ndev, 0x0, TDFAR); 2008fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda sh_eth_write(ndev, 0x0, TDFXR); 2018fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda sh_eth_write(ndev, 0x0, TDFFR); 2028fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda sh_eth_write(ndev, 0x0, RDLAR); 2038fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda sh_eth_write(ndev, 0x0, RDFAR); 2048fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda sh_eth_write(ndev, 0x0, RDFXR); 2058fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda sh_eth_write(ndev, 0x0, RDFFR); 2068fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda } else { 2078fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, EDMR) | EDMR_SRST_ETHER, 2088fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda EDMR); 2098fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda mdelay(3); 2108fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, EDMR) & ~EDMR_SRST_ETHER, 2118fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda EDMR); 2128fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda } 2138fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda} 2148fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda 2158fcd496151b4354569283056076339239b86fabeYoshihiro Shimodastatic void sh_eth_set_duplex_giga(struct net_device *ndev) 2168fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda{ 2178fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 2188fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda 2198fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda if (mdp->duplex) /* Full */ 2208fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, ECMR) | ECMR_DM, ECMR); 2218fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda else /* Half */ 2228fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, ECMR) & ~ECMR_DM, ECMR); 2238fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda} 2248fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda 2258fcd496151b4354569283056076339239b86fabeYoshihiro Shimodastatic void sh_eth_set_rate_giga(struct net_device *ndev) 2268fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda{ 2278fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 2288fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda 2298fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda switch (mdp->speed) { 2308fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda case 10: /* 10BASE */ 2318fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda sh_eth_write(ndev, 0x00000000, GECMR); 2328fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda break; 2338fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda case 100:/* 100BASE */ 2348fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda sh_eth_write(ndev, 0x00000010, GECMR); 2358fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda break; 2368fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda case 1000: /* 1000BASE */ 2378fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda sh_eth_write(ndev, 0x00000020, GECMR); 2388fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda break; 2398fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda default: 2408fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda break; 2418fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda } 2428fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda} 2438fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda 2448fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda/* SH7757(GETHERC) */ 2458fcd496151b4354569283056076339239b86fabeYoshihiro Shimodastatic struct sh_eth_cpu_data sh_eth_my_cpu_data_giga = { 2468fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda .chip_reset = sh_eth_chip_reset_giga, 2478fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda .set_duplex = sh_eth_set_duplex_giga, 2488fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda .set_rate = sh_eth_set_rate_giga, 2498fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda 2508fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda .ecsr_value = ECSR_ICD | ECSR_MPD, 2518fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda .ecsipr_value = ECSIPR_LCHNGIP | ECSIPR_ICDIP | ECSIPR_MPDIP, 2528fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda .eesipr_value = DMAC_M_RFRMER | DMAC_M_ECI | 0x003fffff, 2538fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda 2548fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda .tx_check = EESR_TC1 | EESR_FTC, 2558fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda .eesr_err_check = EESR_TWB1 | EESR_TWB | EESR_TABT | EESR_RABT | \ 2568fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda EESR_RDE | EESR_RFRMER | EESR_TFE | EESR_TDE | \ 2578fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda EESR_ECI, 2588fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda .tx_error_check = EESR_TWB1 | EESR_TWB | EESR_TABT | EESR_TDE | \ 2598fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda EESR_TFE, 2608fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda .fdr_value = 0x0000072f, 2618fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda .rmcr_value = 0x00000001, 2628fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda 2638fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda .apr = 1, 2648fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda .mpr = 1, 2658fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda .tpauser = 1, 2668fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda .bculr = 1, 2678fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda .hw_swap = 1, 2688fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda .rpadir = 1, 2698fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda .rpadir_value = 2 << 16, 2708fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda .no_trimd = 1, 2718fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda .no_ade = 1, 2723acbc9715a5ac8a2534a69eb3488b63b7c9fb1e2Yoshihiro Shimoda .tsu = 1, 2738fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda}; 2748fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda 2758fcd496151b4354569283056076339239b86fabeYoshihiro Shimodastatic struct sh_eth_cpu_data *sh_eth_get_cpu_data(struct sh_eth_private *mdp) 2768fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda{ 2778fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda if (sh_eth_is_gether(mdp)) 2788fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda return &sh_eth_my_cpu_data_giga; 2798fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda else 2808fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda return &sh_eth_my_cpu_data; 2818fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda} 2828fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda 283f0e81fecd4f83de7854262c8a6b3af19dfa99bf9Nobuhiro Iwamatsu#elif defined(CONFIG_CPU_SUBTYPE_SH7734) || defined(CONFIG_CPU_SUBTYPE_SH7763) 284380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda#define SH_ETH_HAS_TSU 1 285f0e81fecd4f83de7854262c8a6b3af19dfa99bf9Nobuhiro Iwamatsustatic void sh_eth_reset_hw_crc(struct net_device *ndev); 286380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimodastatic void sh_eth_chip_reset(struct net_device *ndev) 287380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda{ 2884986b996882d82c68ab54b822d7cfdd7dd35f19aYoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 2894986b996882d82c68ab54b822d7cfdd7dd35f19aYoshihiro Shimoda 290380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda /* reset device */ 2914986b996882d82c68ab54b822d7cfdd7dd35f19aYoshihiro Shimoda sh_eth_tsu_write(mdp, ARSTR_ARSTR, ARSTR); 292380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda mdelay(1); 293380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda} 294380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 295380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimodastatic void sh_eth_reset(struct net_device *ndev) 296380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda{ 297380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda int cnt = 100; 298380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 2994a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, EDSR_ENALL, EDSR); 300c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, EDMR) | EDMR_SRST_GETHER, EDMR); 301380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda while (cnt > 0) { 3024a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda if (!(sh_eth_read(ndev, EDMR) & 0x3)) 303380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda break; 304380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda mdelay(1); 305380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda cnt--; 306380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda } 307890c8c18986eb975a76aa8359a712596bc70e61croel kluin if (cnt == 0) 308380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda printk(KERN_ERR "Device reset fail\n"); 309380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 310380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda /* Table Init */ 3114a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 0x0, TDLAR); 3124a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 0x0, TDFAR); 3134a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 0x0, TDFXR); 3144a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 0x0, TDFFR); 3154a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 0x0, RDLAR); 3164a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 0x0, RDFAR); 3174a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 0x0, RDFXR); 3184a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 0x0, RDFFR); 319f0e81fecd4f83de7854262c8a6b3af19dfa99bf9Nobuhiro Iwamatsu 320f0e81fecd4f83de7854262c8a6b3af19dfa99bf9Nobuhiro Iwamatsu /* Reset HW CRC register */ 321f0e81fecd4f83de7854262c8a6b3af19dfa99bf9Nobuhiro Iwamatsu sh_eth_reset_hw_crc(ndev); 322380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda} 323380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 324380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimodastatic void sh_eth_set_duplex(struct net_device *ndev) 325380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda{ 326380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 327380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 328380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (mdp->duplex) /* Full */ 3294a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, ECMR) | ECMR_DM, ECMR); 330380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda else /* Half */ 3314a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, ECMR) & ~ECMR_DM, ECMR); 332380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda} 333380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 334380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimodastatic void sh_eth_set_rate(struct net_device *ndev) 335380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda{ 336380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 337380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 338380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda switch (mdp->speed) { 339380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda case 10: /* 10BASE */ 3404a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, GECMR_10, GECMR); 341380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda break; 342380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda case 100:/* 100BASE */ 3434a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, GECMR_100, GECMR); 344380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda break; 345380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda case 1000: /* 1000BASE */ 3464a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, GECMR_1000, GECMR); 347380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda break; 348380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda default: 349380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda break; 350380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda } 351380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda} 352380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 353380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda/* sh7763 */ 354380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimodastatic struct sh_eth_cpu_data sh_eth_my_cpu_data = { 355380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .chip_reset = sh_eth_chip_reset, 356380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .set_duplex = sh_eth_set_duplex, 357380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .set_rate = sh_eth_set_rate, 358380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 359380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .ecsr_value = ECSR_ICD | ECSR_MPD, 360380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .ecsipr_value = ECSIPR_LCHNGIP | ECSIPR_ICDIP | ECSIPR_MPDIP, 361380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .eesipr_value = DMAC_M_RFRMER | DMAC_M_ECI | 0x003fffff, 362380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 363380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .tx_check = EESR_TC1 | EESR_FTC, 364380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .eesr_err_check = EESR_TWB1 | EESR_TWB | EESR_TABT | EESR_RABT | \ 365380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda EESR_RDE | EESR_RFRMER | EESR_TFE | EESR_TDE | \ 366380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda EESR_ECI, 367380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .tx_error_check = EESR_TWB1 | EESR_TWB | EESR_TABT | EESR_TDE | \ 368380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda EESR_TFE, 369380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 370380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .apr = 1, 371380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .mpr = 1, 372380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .tpauser = 1, 373380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .bculr = 1, 374380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .hw_swap = 1, 375380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .no_trimd = 1, 376380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .no_ade = 1, 3774986b996882d82c68ab54b822d7cfdd7dd35f19aYoshihiro Shimoda .tsu = 1, 378f0e81fecd4f83de7854262c8a6b3af19dfa99bf9Nobuhiro Iwamatsu#if defined(CONFIG_CPU_SUBTYPE_SH7734) 379f0e81fecd4f83de7854262c8a6b3af19dfa99bf9Nobuhiro Iwamatsu .hw_crc = 1, 380f0e81fecd4f83de7854262c8a6b3af19dfa99bf9Nobuhiro Iwamatsu#endif 381380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda}; 382380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 383f0e81fecd4f83de7854262c8a6b3af19dfa99bf9Nobuhiro Iwamatsustatic void sh_eth_reset_hw_crc(struct net_device *ndev) 384f0e81fecd4f83de7854262c8a6b3af19dfa99bf9Nobuhiro Iwamatsu{ 385f0e81fecd4f83de7854262c8a6b3af19dfa99bf9Nobuhiro Iwamatsu if (sh_eth_my_cpu_data.hw_crc) 386f0e81fecd4f83de7854262c8a6b3af19dfa99bf9Nobuhiro Iwamatsu sh_eth_write(ndev, 0x0, CSMR); 387f0e81fecd4f83de7854262c8a6b3af19dfa99bf9Nobuhiro Iwamatsu} 388f0e81fecd4f83de7854262c8a6b3af19dfa99bf9Nobuhiro Iwamatsu 38973a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda#elif defined(CONFIG_ARCH_R8A7740) 39073a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda#define SH_ETH_HAS_TSU 1 39173a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimodastatic void sh_eth_chip_reset(struct net_device *ndev) 39273a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda{ 39373a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 39473a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda unsigned long mii; 39573a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda 39673a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda /* reset device */ 39773a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda sh_eth_tsu_write(mdp, ARSTR_ARSTR, ARSTR); 39873a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda mdelay(1); 39973a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda 40073a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda switch (mdp->phy_interface) { 40173a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda case PHY_INTERFACE_MODE_GMII: 40273a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda mii = 2; 40373a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda break; 40473a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda case PHY_INTERFACE_MODE_MII: 40573a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda mii = 1; 40673a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda break; 40773a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda case PHY_INTERFACE_MODE_RMII: 40873a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda default: 40973a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda mii = 0; 41073a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda break; 41173a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda } 41273a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda sh_eth_write(ndev, mii, RMII_MII); 41373a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda} 41473a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda 41573a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimodastatic void sh_eth_reset(struct net_device *ndev) 41673a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda{ 41773a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda int cnt = 100; 41873a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda 41973a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda sh_eth_write(ndev, EDSR_ENALL, EDSR); 42073a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, EDMR) | EDMR_SRST_GETHER, EDMR); 42173a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda while (cnt > 0) { 42273a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda if (!(sh_eth_read(ndev, EDMR) & 0x3)) 42373a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda break; 42473a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda mdelay(1); 42573a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda cnt--; 42673a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda } 42773a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda if (cnt == 0) 42873a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda printk(KERN_ERR "Device reset fail\n"); 42973a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda 43073a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda /* Table Init */ 43173a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda sh_eth_write(ndev, 0x0, TDLAR); 43273a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda sh_eth_write(ndev, 0x0, TDFAR); 43373a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda sh_eth_write(ndev, 0x0, TDFXR); 43473a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda sh_eth_write(ndev, 0x0, TDFFR); 43573a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda sh_eth_write(ndev, 0x0, RDLAR); 43673a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda sh_eth_write(ndev, 0x0, RDFAR); 43773a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda sh_eth_write(ndev, 0x0, RDFXR); 43873a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda sh_eth_write(ndev, 0x0, RDFFR); 43973a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda} 44073a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda 44173a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimodastatic void sh_eth_set_duplex(struct net_device *ndev) 44273a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda{ 44373a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 44473a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda 44573a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda if (mdp->duplex) /* Full */ 44673a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, ECMR) | ECMR_DM, ECMR); 44773a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda else /* Half */ 44873a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, ECMR) & ~ECMR_DM, ECMR); 44973a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda} 45073a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda 45173a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimodastatic void sh_eth_set_rate(struct net_device *ndev) 45273a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda{ 45373a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 45473a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda 45573a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda switch (mdp->speed) { 45673a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda case 10: /* 10BASE */ 45773a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda sh_eth_write(ndev, GECMR_10, GECMR); 45873a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda break; 45973a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda case 100:/* 100BASE */ 46073a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda sh_eth_write(ndev, GECMR_100, GECMR); 46173a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda break; 46273a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda case 1000: /* 1000BASE */ 46373a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda sh_eth_write(ndev, GECMR_1000, GECMR); 46473a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda break; 46573a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda default: 46673a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda break; 46773a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda } 46873a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda} 46973a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda 47073a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda/* R8A7740 */ 47173a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimodastatic struct sh_eth_cpu_data sh_eth_my_cpu_data = { 47273a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda .chip_reset = sh_eth_chip_reset, 47373a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda .set_duplex = sh_eth_set_duplex, 47473a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda .set_rate = sh_eth_set_rate, 47573a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda 47673a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda .ecsr_value = ECSR_ICD | ECSR_MPD, 47773a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda .ecsipr_value = ECSIPR_LCHNGIP | ECSIPR_ICDIP | ECSIPR_MPDIP, 47873a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda .eesipr_value = DMAC_M_RFRMER | DMAC_M_ECI | 0x003fffff, 47973a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda 48073a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda .tx_check = EESR_TC1 | EESR_FTC, 48173a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda .eesr_err_check = EESR_TWB1 | EESR_TWB | EESR_TABT | EESR_RABT | \ 48273a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda EESR_RDE | EESR_RFRMER | EESR_TFE | EESR_TDE | \ 48373a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda EESR_ECI, 48473a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda .tx_error_check = EESR_TWB1 | EESR_TWB | EESR_TABT | EESR_TDE | \ 48573a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda EESR_TFE, 48673a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda 48773a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda .apr = 1, 48873a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda .mpr = 1, 48973a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda .tpauser = 1, 49073a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda .bculr = 1, 49173a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda .hw_swap = 1, 49273a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda .no_trimd = 1, 49373a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda .no_ade = 1, 49473a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda .tsu = 1, 49573a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda}; 49673a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda 497380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda#elif defined(CONFIG_CPU_SUBTYPE_SH7619) 498380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda#define SH_ETH_RESET_DEFAULT 1 499380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimodastatic struct sh_eth_cpu_data sh_eth_my_cpu_data = { 500380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .eesipr_value = DMAC_M_RFRMER | DMAC_M_ECI | 0x003fffff, 501380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 502380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .apr = 1, 503380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .mpr = 1, 504380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .tpauser = 1, 505380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .hw_swap = 1, 506380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda}; 507380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda#elif defined(CONFIG_CPU_SUBTYPE_SH7710) || defined(CONFIG_CPU_SUBTYPE_SH7712) 508380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda#define SH_ETH_RESET_DEFAULT 1 509380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda#define SH_ETH_HAS_TSU 1 510380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimodastatic struct sh_eth_cpu_data sh_eth_my_cpu_data = { 511380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .eesipr_value = DMAC_M_RFRMER | DMAC_M_ECI | 0x003fffff, 5124986b996882d82c68ab54b822d7cfdd7dd35f19aYoshihiro Shimoda .tsu = 1, 513380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda}; 514380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda#endif 515380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 516380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimodastatic void sh_eth_set_default_cpu_data(struct sh_eth_cpu_data *cd) 517380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda{ 518380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (!cd->ecsr_value) 519380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda cd->ecsr_value = DEFAULT_ECSR_INIT; 520380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 521380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (!cd->ecsipr_value) 522380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda cd->ecsipr_value = DEFAULT_ECSIPR_INIT; 523380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 524380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (!cd->fcftr_value) 525380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda cd->fcftr_value = DEFAULT_FIFO_F_D_RFF | \ 526380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda DEFAULT_FIFO_F_D_RFD; 527380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 528380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (!cd->fdr_value) 529380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda cd->fdr_value = DEFAULT_FDR_INIT; 530380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 531380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (!cd->rmcr_value) 532380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda cd->rmcr_value = DEFAULT_RMCR_VALUE; 533380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 534380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (!cd->tx_check) 535380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda cd->tx_check = DEFAULT_TX_CHECK; 536380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 537380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (!cd->eesr_err_check) 538380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda cd->eesr_err_check = DEFAULT_EESR_ERR_CHECK; 539380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 540380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (!cd->tx_error_check) 541380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda cd->tx_error_check = DEFAULT_TX_ERROR_CHECK; 542380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda} 543380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 544380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda#if defined(SH_ETH_RESET_DEFAULT) 545380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda/* Chip Reset */ 546380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimodastatic void sh_eth_reset(struct net_device *ndev) 547380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda{ 548c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, EDMR) | EDMR_SRST_ETHER, EDMR); 549380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda mdelay(3); 550c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, EDMR) & ~EDMR_SRST_ETHER, EDMR); 551380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda} 552380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda#endif 553380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 55473a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda#if defined(CONFIG_CPU_SH4) || defined(CONFIG_ARCH_SHMOBILE) 555380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimodastatic void sh_eth_set_receive_align(struct sk_buff *skb) 556380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda{ 557380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda int reserve; 558380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 559380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda reserve = SH4_SKB_RX_ALIGN - ((u32)skb->data & (SH4_SKB_RX_ALIGN - 1)); 560380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (reserve) 561380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda skb_reserve(skb, reserve); 562380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda} 563380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda#else 564380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimodastatic void sh_eth_set_receive_align(struct sk_buff *skb) 565380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda{ 566380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda skb_reserve(skb, SH2_SH3_SKB_RX_ALIGN); 567380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda} 568380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda#endif 569380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 570380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 57171557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato/* CPU <-> EDMAC endian convert */ 57271557a37adb5df17631c493b3b7d912938c720b2Yoshinori Satostatic inline __u32 cpu_to_edmac(struct sh_eth_private *mdp, u32 x) 57371557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato{ 57471557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato switch (mdp->edmac_endian) { 57571557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato case EDMAC_LITTLE_ENDIAN: 57671557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato return cpu_to_le32(x); 57771557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato case EDMAC_BIG_ENDIAN: 57871557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato return cpu_to_be32(x); 57971557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato } 58071557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato return x; 58171557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato} 58271557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato 58371557a37adb5df17631c493b3b7d912938c720b2Yoshinori Satostatic inline __u32 edmac_to_cpu(struct sh_eth_private *mdp, u32 x) 58471557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato{ 58571557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato switch (mdp->edmac_endian) { 58671557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato case EDMAC_LITTLE_ENDIAN: 58771557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato return le32_to_cpu(x); 58871557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato case EDMAC_BIG_ENDIAN: 58971557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato return be32_to_cpu(x); 59071557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato } 59171557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato return x; 59271557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato} 59371557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato 59486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* 59586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * Program the hardware MAC address from dev->dev_addr. 59686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu */ 59786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic void update_mac_address(struct net_device *ndev) 59886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 5994a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 6004a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda (ndev->dev_addr[0] << 24) | (ndev->dev_addr[1] << 16) | 6014a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda (ndev->dev_addr[2] << 8) | (ndev->dev_addr[3]), MAHR); 6024a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 6034a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda (ndev->dev_addr[4] << 8) | (ndev->dev_addr[5]), MALR); 60486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 60586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 60686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* 60786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * Get MAC address from SuperH MAC address register 60886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * 60986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * SuperH's Ethernet device doesn't have 'ROM' to MAC address. 61086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * This driver get MAC address that use by bootloader(U-boot or sh-ipl+g). 61186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * When you want use this device, you must set MAC address in bootloader. 61286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * 61386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu */ 614748031f9fd2c06b28817d80761a5de97190cfd03Magnus Dammstatic void read_mac_address(struct net_device *ndev, unsigned char *mac) 61586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 616748031f9fd2c06b28817d80761a5de97190cfd03Magnus Damm if (mac[0] || mac[1] || mac[2] || mac[3] || mac[4] || mac[5]) { 617748031f9fd2c06b28817d80761a5de97190cfd03Magnus Damm memcpy(ndev->dev_addr, mac, 6); 618748031f9fd2c06b28817d80761a5de97190cfd03Magnus Damm } else { 6194a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda ndev->dev_addr[0] = (sh_eth_read(ndev, MAHR) >> 24); 6204a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda ndev->dev_addr[1] = (sh_eth_read(ndev, MAHR) >> 16) & 0xFF; 6214a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda ndev->dev_addr[2] = (sh_eth_read(ndev, MAHR) >> 8) & 0xFF; 6224a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda ndev->dev_addr[3] = (sh_eth_read(ndev, MAHR) & 0xFF); 6234a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda ndev->dev_addr[4] = (sh_eth_read(ndev, MALR) >> 8) & 0xFF; 6244a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda ndev->dev_addr[5] = (sh_eth_read(ndev, MALR) & 0xFF); 625748031f9fd2c06b28817d80761a5de97190cfd03Magnus Damm } 62686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 62786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 628c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimodastatic int sh_eth_is_gether(struct sh_eth_private *mdp) 629c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda{ 630c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda if (mdp->reg_offset == sh_eth_offset_gigabit) 631c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda return 1; 632c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda else 633c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda return 0; 634c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda} 635c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda 636c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimodastatic unsigned long sh_eth_get_edtrr_trns(struct sh_eth_private *mdp) 637c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda{ 638c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda if (sh_eth_is_gether(mdp)) 639c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda return EDTRR_TRNS_GETHER; 640c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda else 641c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda return EDTRR_TRNS_ETHER; 642c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda} 643c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda 64486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustruct bb_info { 645ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda void (*set_gate)(void *addr); 64686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct mdiobb_ctrl ctrl; 647ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda void *addr; 64886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu u32 mmd_msk;/* MMD */ 64986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu u32 mdo_msk; 65086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu u32 mdi_msk; 65186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu u32 mdc_msk; 65286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu}; 65386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 65486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* PHY bit set */ 655ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimodastatic void bb_set(void *addr, u32 msk) 65686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 657ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda iowrite32(ioread32(addr) | msk, addr); 65886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 65986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 66086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* PHY bit clear */ 661ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimodastatic void bb_clr(void *addr, u32 msk) 66286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 663ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda iowrite32((ioread32(addr) & ~msk), addr); 66486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 66586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 66686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* PHY bit read */ 667ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimodastatic int bb_read(void *addr, u32 msk) 66886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 669ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda return (ioread32(addr) & msk) != 0; 67086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 67186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 67286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* Data I/O pin control */ 67386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic void sh_mmd_ctrl(struct mdiobb_ctrl *ctrl, int bit) 67486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 67586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct bb_info *bitbang = container_of(ctrl, struct bb_info, ctrl); 676b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda 677b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda if (bitbang->set_gate) 678b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda bitbang->set_gate(bitbang->addr); 679b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda 68086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (bit) 68186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu bb_set(bitbang->addr, bitbang->mmd_msk); 68286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu else 68386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu bb_clr(bitbang->addr, bitbang->mmd_msk); 68486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 68586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 68686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* Set bit data*/ 68786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic void sh_set_mdio(struct mdiobb_ctrl *ctrl, int bit) 68886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 68986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct bb_info *bitbang = container_of(ctrl, struct bb_info, ctrl); 69086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 691b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda if (bitbang->set_gate) 692b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda bitbang->set_gate(bitbang->addr); 693b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda 69486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (bit) 69586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu bb_set(bitbang->addr, bitbang->mdo_msk); 69686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu else 69786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu bb_clr(bitbang->addr, bitbang->mdo_msk); 69886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 69986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 70086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* Get bit data*/ 70186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic int sh_get_mdio(struct mdiobb_ctrl *ctrl) 70286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 70386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct bb_info *bitbang = container_of(ctrl, struct bb_info, ctrl); 704b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda 705b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda if (bitbang->set_gate) 706b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda bitbang->set_gate(bitbang->addr); 707b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda 70886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return bb_read(bitbang->addr, bitbang->mdi_msk); 70986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 71086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 71186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* MDC pin control */ 71286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic void sh_mdc_ctrl(struct mdiobb_ctrl *ctrl, int bit) 71386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 71486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct bb_info *bitbang = container_of(ctrl, struct bb_info, ctrl); 71586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 716b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda if (bitbang->set_gate) 717b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda bitbang->set_gate(bitbang->addr); 718b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda 71986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (bit) 72086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu bb_set(bitbang->addr, bitbang->mdc_msk); 72186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu else 72286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu bb_clr(bitbang->addr, bitbang->mdc_msk); 72386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 72486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 72586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* mdio bus control struct */ 72686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic struct mdiobb_ops bb_ops = { 72786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu .owner = THIS_MODULE, 72886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu .set_mdc = sh_mdc_ctrl, 72986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu .set_mdio_dir = sh_mmd_ctrl, 73086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu .set_mdio_data = sh_set_mdio, 73186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu .get_mdio_data = sh_get_mdio, 73286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu}; 73386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 73486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* free skb and descriptor buffer */ 73586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic void sh_eth_ring_free(struct net_device *ndev) 73686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 73786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 73886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu int i; 73986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 74086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Free Rx skb ringbuffer */ 74186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (mdp->rx_skbuff) { 74286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu for (i = 0; i < RX_RING_SIZE; i++) { 74386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (mdp->rx_skbuff[i]) 74486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu dev_kfree_skb(mdp->rx_skbuff[i]); 74586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 74686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 74786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu kfree(mdp->rx_skbuff); 74886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 74986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Free Tx skb ringbuffer */ 75086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (mdp->tx_skbuff) { 75186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu for (i = 0; i < TX_RING_SIZE; i++) { 75286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (mdp->tx_skbuff[i]) 75386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu dev_kfree_skb(mdp->tx_skbuff[i]); 75486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 75586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 75686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu kfree(mdp->tx_skbuff); 75786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 75886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 75986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* format skb and descriptor buffer */ 76086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic void sh_eth_ring_format(struct net_device *ndev) 76186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 76286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 76386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu int i; 76486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sk_buff *skb; 76586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_rxdesc *rxdesc = NULL; 76686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_txdesc *txdesc = NULL; 76786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu int rx_ringsize = sizeof(*rxdesc) * RX_RING_SIZE; 76886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu int tx_ringsize = sizeof(*txdesc) * TX_RING_SIZE; 76986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 77086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->cur_rx = mdp->cur_tx = 0; 77186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->dirty_rx = mdp->dirty_tx = 0; 77286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 77386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu memset(mdp->rx_ring, 0, rx_ringsize); 77486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 77586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* build Rx ring buffer */ 77686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu for (i = 0; i < RX_RING_SIZE; i++) { 77786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* skb */ 77886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->rx_skbuff[i] = NULL; 779dae2e9f430c46c29e3f771110094bd3da3625aa4Pradeep A. Dalvi skb = netdev_alloc_skb(ndev, mdp->rx_buf_sz); 78086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->rx_skbuff[i] = skb; 78186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (skb == NULL) 78286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu break; 783bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet dma_map_single(&ndev->dev, skb->data, mdp->rx_buf_sz, 784e88aae7bb1dc50457489d1d7c81dcf4db23ccf94Yoshihiro Shimoda DMA_FROM_DEVICE); 785380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda sh_eth_set_receive_align(skb); 786380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 78786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* RX descriptor */ 78886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu rxdesc = &mdp->rx_ring[i]; 7890029d64af5d72049e2170e4609fa83bd1f3f07cdYoshihiro Shimoda rxdesc->addr = virt_to_phys(PTR_ALIGN(skb->data, 4)); 79071557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato rxdesc->status = cpu_to_edmac(mdp, RD_RACT | RD_RFP); 79186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 79286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* The size of the buffer is 16 byte boundary. */ 7930029d64af5d72049e2170e4609fa83bd1f3f07cdYoshihiro Shimoda rxdesc->buffer_length = ALIGN(mdp->rx_buf_sz, 16); 794b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu /* Rx descriptor address set */ 795b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu if (i == 0) { 7964a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, mdp->rx_desc_dma, RDLAR); 797c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda if (sh_eth_is_gether(mdp)) 798c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda sh_eth_write(ndev, mdp->rx_desc_dma, RDFAR); 799b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu } 80086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 80186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 80286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->dirty_rx = (u32) (i - RX_RING_SIZE); 80386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 80486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Mark the last entry as wrapping the ring. */ 80571557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato rxdesc->status |= cpu_to_edmac(mdp, RD_RDEL); 80686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 80786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu memset(mdp->tx_ring, 0, tx_ringsize); 80886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 80986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* build Tx ring buffer */ 81086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu for (i = 0; i < TX_RING_SIZE; i++) { 81186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->tx_skbuff[i] = NULL; 81286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu txdesc = &mdp->tx_ring[i]; 81371557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato txdesc->status = cpu_to_edmac(mdp, TD_TFP); 81486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu txdesc->buffer_length = 0; 815b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu if (i == 0) { 81671557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato /* Tx descriptor address set */ 8174a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, mdp->tx_desc_dma, TDLAR); 818c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda if (sh_eth_is_gether(mdp)) 819c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda sh_eth_write(ndev, mdp->tx_desc_dma, TDFAR); 820b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu } 82186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 82286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 82371557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato txdesc->status |= cpu_to_edmac(mdp, TD_TDLE); 82486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 82586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 82686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* Get skb and descriptor buffer */ 82786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic int sh_eth_ring_init(struct net_device *ndev) 82886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 82986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 83086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu int rx_ringsize, tx_ringsize, ret = 0; 83186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 83286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* 83386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * +26 gets the maximum ethernet encapsulation, +7 & ~7 because the 83486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * card needs room to do 8 byte alignment, +2 so we can reserve 83586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * the first 2 bytes, and +16 gets room for the status word from the 83686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * card. 83786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu */ 83886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->rx_buf_sz = (ndev->mtu <= 1492 ? PKT_BUF_SZ : 83986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu (((ndev->mtu + 26 + 7) & ~7) + 2 + 16)); 840503914cf4a4b5dbe3f844e0a92f412ae99fde70eMagnus Damm if (mdp->cd->rpadir) 841503914cf4a4b5dbe3f844e0a92f412ae99fde70eMagnus Damm mdp->rx_buf_sz += NET_IP_ALIGN; 84286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 84386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Allocate RX and TX skb rings */ 84486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->rx_skbuff = kmalloc(sizeof(*mdp->rx_skbuff) * RX_RING_SIZE, 84586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu GFP_KERNEL); 84686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (!mdp->rx_skbuff) { 847380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda dev_err(&ndev->dev, "Cannot allocate Rx skb\n"); 84886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ret = -ENOMEM; 84986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return ret; 85086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 85186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 85286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->tx_skbuff = kmalloc(sizeof(*mdp->tx_skbuff) * TX_RING_SIZE, 85386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu GFP_KERNEL); 85486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (!mdp->tx_skbuff) { 855380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda dev_err(&ndev->dev, "Cannot allocate Tx skb\n"); 85686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ret = -ENOMEM; 85786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu goto skb_ring_free; 85886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 85986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 86086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Allocate all Rx descriptors. */ 86186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu rx_ringsize = sizeof(struct sh_eth_rxdesc) * RX_RING_SIZE; 86286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->rx_ring = dma_alloc_coherent(NULL, rx_ringsize, &mdp->rx_desc_dma, 86386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu GFP_KERNEL); 86486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 86586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (!mdp->rx_ring) { 866380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda dev_err(&ndev->dev, "Cannot allocate Rx Ring (size %d bytes)\n", 867380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda rx_ringsize); 86886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ret = -ENOMEM; 86986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu goto desc_ring_free; 87086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 87186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 87286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->dirty_rx = 0; 87386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 87486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Allocate all Tx descriptors. */ 87586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu tx_ringsize = sizeof(struct sh_eth_txdesc) * TX_RING_SIZE; 87686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->tx_ring = dma_alloc_coherent(NULL, tx_ringsize, &mdp->tx_desc_dma, 87786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu GFP_KERNEL); 87886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (!mdp->tx_ring) { 879380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda dev_err(&ndev->dev, "Cannot allocate Tx Ring (size %d bytes)\n", 880380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda tx_ringsize); 88186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ret = -ENOMEM; 88286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu goto desc_ring_free; 88386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 88486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return ret; 88586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 88686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsudesc_ring_free: 88786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* free DMA buffer */ 88886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu dma_free_coherent(NULL, rx_ringsize, mdp->rx_ring, mdp->rx_desc_dma); 88986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 89086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsuskb_ring_free: 89186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Free Rx and Tx skb ring buffer */ 89286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu sh_eth_ring_free(ndev); 89386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 89486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return ret; 89586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 89686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 89786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic int sh_eth_dev_init(struct net_device *ndev) 89886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 89986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu int ret = 0; 90086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 90186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu u_int32_t rx_int_var, tx_int_var; 90286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu u32 val; 90386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 90486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Soft Reset */ 90586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu sh_eth_reset(ndev); 90686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 907b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu /* Descriptor format */ 908b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu sh_eth_ring_format(ndev); 909380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (mdp->cd->rpadir) 9104a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, mdp->cd->rpadir_value, RPADIR); 91186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 91286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* all sh_eth int mask */ 9134a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 0, EESIPR); 91486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 91510b9194f959608368ed89df1937f17cfe6bd6d84Yoshihiro Shimoda#if defined(__LITTLE_ENDIAN) 916380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (mdp->cd->hw_swap) 9174a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, EDMR_EL, EDMR); 918380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda else 919b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu#endif 9204a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 0, EDMR); 92186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 922b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu /* FIFO size set */ 9234a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, mdp->cd->fdr_value, FDR); 9244a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 0, TFTR); 92586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 926b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu /* Frame recv control */ 9274a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, mdp->cd->rmcr_value, RMCR); 92886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 92986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu rx_int_var = mdp->rx_int_var = DESC_I_RINT8 | DESC_I_RINT5; 93086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu tx_int_var = mdp->tx_int_var = DESC_I_TINT2; 9314a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, rx_int_var | tx_int_var, TRSCER); 93286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 933380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (mdp->cd->bculr) 9344a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 0x800, BCULR); /* Burst sycle set */ 935b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu 9364a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, mdp->cd->fcftr_value, FCFTR); 93786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 938380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (!mdp->cd->no_trimd) 9394a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 0, TRIMD); 94086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 941b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu /* Recv frame limit set register */ 942fdb37a7f84a58ccad24abffd54ad46d23b763e13Yoshihiro Shimoda sh_eth_write(ndev, ndev->mtu + ETH_HLEN + VLAN_HLEN + ETH_FCS_LEN, 943fdb37a7f84a58ccad24abffd54ad46d23b763e13Yoshihiro Shimoda RFLR); 94486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 9454a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, EESR), EESR); 9464a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, mdp->cd->eesipr_value, EESIPR); 94786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 94886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* PAUSE Prohibition */ 9494a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda val = (sh_eth_read(ndev, ECMR) & ECMR_DM) | 95086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ECMR_ZPF | (mdp->duplex ? ECMR_DM : 0) | ECMR_TE | ECMR_RE; 95186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 9524a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, val, ECMR); 953b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu 954380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (mdp->cd->set_rate) 955380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda mdp->cd->set_rate(ndev); 956380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 957b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu /* E-MAC Status Register clear */ 9584a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, mdp->cd->ecsr_value, ECSR); 959b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu 960b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu /* E-MAC Interrupt Enable register */ 9614a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, mdp->cd->ecsipr_value, ECSIPR); 96286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 96386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Set MAC address */ 96486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu update_mac_address(ndev); 96586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 96686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* mask reset */ 967380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (mdp->cd->apr) 9684a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, APR_AP, APR); 969380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (mdp->cd->mpr) 9704a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, MPR_MP, MPR); 971380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (mdp->cd->tpauser) 9724a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, TPAUSER_UNLIMITED, TPAUSER); 973b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu 97486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Setting the Rx mode will start the Rx process. */ 9754a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, EDRRR_R, EDRRR); 97686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 97786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu netif_start_queue(ndev); 97886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 97986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return ret; 98086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 98186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 98286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* free Tx skb function */ 98386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic int sh_eth_txfree(struct net_device *ndev) 98486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 98586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 98686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_txdesc *txdesc; 98786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu int freeNum = 0; 98886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu int entry = 0; 98986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 99086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu for (; mdp->cur_tx - mdp->dirty_tx > 0; mdp->dirty_tx++) { 99186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu entry = mdp->dirty_tx % TX_RING_SIZE; 99286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu txdesc = &mdp->tx_ring[entry]; 99371557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato if (txdesc->status & cpu_to_edmac(mdp, TD_TACT)) 99486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu break; 99586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Free the original skb. */ 99686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (mdp->tx_skbuff[entry]) { 99731fcb99d9958bdf04e84224e202f69e6cdac893bYoshihiro Shimoda dma_unmap_single(&ndev->dev, txdesc->addr, 99831fcb99d9958bdf04e84224e202f69e6cdac893bYoshihiro Shimoda txdesc->buffer_length, DMA_TO_DEVICE); 99986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu dev_kfree_skb_irq(mdp->tx_skbuff[entry]); 100086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->tx_skbuff[entry] = NULL; 100186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu freeNum++; 100286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 100371557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato txdesc->status = cpu_to_edmac(mdp, TD_TFP); 100486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (entry >= TX_RING_SIZE - 1) 100571557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato txdesc->status |= cpu_to_edmac(mdp, TD_TDLE); 100686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1007bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.tx_packets++; 1008bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.tx_bytes += txdesc->buffer_length; 100986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 101086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return freeNum; 101186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 101286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 101386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* Packet receive function */ 101486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic int sh_eth_rx(struct net_device *ndev) 101586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 101686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 101786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_rxdesc *rxdesc; 101886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 101986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu int entry = mdp->cur_rx % RX_RING_SIZE; 102086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu int boguscnt = (mdp->dirty_rx + RX_RING_SIZE) - mdp->cur_rx; 102186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sk_buff *skb; 102286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu u16 pkt_len = 0; 1023380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda u32 desc_status; 102486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 102586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu rxdesc = &mdp->rx_ring[entry]; 102671557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato while (!(rxdesc->status & cpu_to_edmac(mdp, RD_RACT))) { 102771557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato desc_status = edmac_to_cpu(mdp, rxdesc->status); 102886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu pkt_len = rxdesc->frame_length; 102986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 103073a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda#if defined(CONFIG_ARCH_R8A7740) 103173a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda desc_status >>= 16; 103273a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda#endif 103373a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda 103486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (--boguscnt < 0) 103586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu break; 103686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 103786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (!(desc_status & RDFEND)) 1038bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.rx_length_errors++; 103986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 104086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (desc_status & (RD_RFS1 | RD_RFS2 | RD_RFS3 | RD_RFS4 | 104186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu RD_RFS5 | RD_RFS6 | RD_RFS10)) { 1042bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.rx_errors++; 104386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (desc_status & RD_RFS1) 1044bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.rx_crc_errors++; 104586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (desc_status & RD_RFS2) 1046bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.rx_frame_errors++; 104786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (desc_status & RD_RFS3) 1048bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.rx_length_errors++; 104986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (desc_status & RD_RFS4) 1050bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.rx_length_errors++; 105186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (desc_status & RD_RFS6) 1052bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.rx_missed_errors++; 105386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (desc_status & RD_RFS10) 1054bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.rx_over_errors++; 105586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } else { 1056380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (!mdp->cd->hw_swap) 1057380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda sh_eth_soft_swap( 1058380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda phys_to_virt(ALIGN(rxdesc->addr, 4)), 1059380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda pkt_len + 2); 106086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu skb = mdp->rx_skbuff[entry]; 106186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->rx_skbuff[entry] = NULL; 1062503914cf4a4b5dbe3f844e0a92f412ae99fde70eMagnus Damm if (mdp->cd->rpadir) 1063503914cf4a4b5dbe3f844e0a92f412ae99fde70eMagnus Damm skb_reserve(skb, NET_IP_ALIGN); 106486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu skb_put(skb, pkt_len); 106586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu skb->protocol = eth_type_trans(skb, ndev); 106686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu netif_rx(skb); 1067bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.rx_packets++; 1068bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.rx_bytes += pkt_len; 106986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 107071557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato rxdesc->status |= cpu_to_edmac(mdp, RD_RACT); 107186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu entry = (++mdp->cur_rx) % RX_RING_SIZE; 1072862df49750e7ca9369c04d8d8105b3cc5d976e0dYoshihiro Shimoda rxdesc = &mdp->rx_ring[entry]; 107386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 107486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 107586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Refill the Rx ring buffers. */ 107686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu for (; mdp->cur_rx - mdp->dirty_rx > 0; mdp->dirty_rx++) { 107786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu entry = mdp->dirty_rx % RX_RING_SIZE; 107886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu rxdesc = &mdp->rx_ring[entry]; 1079b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu /* The size of the buffer is 16 byte boundary. */ 10800029d64af5d72049e2170e4609fa83bd1f3f07cdYoshihiro Shimoda rxdesc->buffer_length = ALIGN(mdp->rx_buf_sz, 16); 1081b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu 108286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (mdp->rx_skbuff[entry] == NULL) { 1083dae2e9f430c46c29e3f771110094bd3da3625aa4Pradeep A. Dalvi skb = netdev_alloc_skb(ndev, mdp->rx_buf_sz); 108486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->rx_skbuff[entry] = skb; 108586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (skb == NULL) 108686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu break; /* Better luck next round. */ 1087bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet dma_map_single(&ndev->dev, skb->data, mdp->rx_buf_sz, 1088e88aae7bb1dc50457489d1d7c81dcf4db23ccf94Yoshihiro Shimoda DMA_FROM_DEVICE); 1089380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda sh_eth_set_receive_align(skb); 1090380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 1091bc8acf2c8c3e43fcc192762a9f964b3e9a17748bEric Dumazet skb_checksum_none_assert(skb); 10920029d64af5d72049e2170e4609fa83bd1f3f07cdYoshihiro Shimoda rxdesc->addr = virt_to_phys(PTR_ALIGN(skb->data, 4)); 109386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 109486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (entry >= RX_RING_SIZE - 1) 109586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu rxdesc->status |= 109671557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato cpu_to_edmac(mdp, RD_RACT | RD_RFP | RD_RDEL); 109786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu else 109886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu rxdesc->status |= 109971557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato cpu_to_edmac(mdp, RD_RACT | RD_RFP); 110086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 110186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 110286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Restart Rx engine if stopped. */ 110386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* If we don't need to check status, don't. -KDU */ 110479fba9f51755c704c0a7d7b7f0df10874dc0a744Yoshihiro Shimoda if (!(sh_eth_read(ndev, EDRRR) & EDRRR_R)) { 110579fba9f51755c704c0a7d7b7f0df10874dc0a744Yoshihiro Shimoda /* fix the values for the next receiving */ 110679fba9f51755c704c0a7d7b7f0df10874dc0a744Yoshihiro Shimoda mdp->cur_rx = mdp->dirty_rx = (sh_eth_read(ndev, RDFAR) - 110779fba9f51755c704c0a7d7b7f0df10874dc0a744Yoshihiro Shimoda sh_eth_read(ndev, RDLAR)) >> 4; 11084a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, EDRRR_R, EDRRR); 110979fba9f51755c704c0a7d7b7f0df10874dc0a744Yoshihiro Shimoda } 111086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 111186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return 0; 111286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 111386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 11144a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimodastatic void sh_eth_rcv_snd_disable(struct net_device *ndev) 1115dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu{ 1116dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu /* disable tx and rx */ 11174a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, ECMR) & 11184a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda ~(ECMR_RE | ECMR_TE), ECMR); 1119dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu} 1120dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 11214a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimodastatic void sh_eth_rcv_snd_enable(struct net_device *ndev) 1122dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu{ 1123dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu /* enable tx and rx */ 11244a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, ECMR) | 11254a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda (ECMR_RE | ECMR_TE), ECMR); 1126dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu} 1127dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 112886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* error control function */ 112986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic void sh_eth_error(struct net_device *ndev, int intr_status) 113086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 113186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 113286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu u32 felic_stat; 1133380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda u32 link_stat; 1134380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda u32 mask; 113586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 113686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (intr_status & EESR_ECI) { 11374a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda felic_stat = sh_eth_read(ndev, ECSR); 11384a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, felic_stat, ECSR); /* clear int */ 113986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (felic_stat & ECSR_ICD) 1140bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.tx_carrier_errors++; 114186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (felic_stat & ECSR_LCHNG) { 114286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Link Changed */ 11434923576b8ac5bfd36ab2beb176aeb747aaab7e41Yoshihiro Shimoda if (mdp->cd->no_psr || mdp->no_ether_link) { 1144380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (mdp->link == PHY_DOWN) 1145380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda link_stat = 0; 1146380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda else 1147380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda link_stat = PHY_ST_LINK; 1148380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda } else { 11494a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda link_stat = (sh_eth_read(ndev, PSR)); 11504923576b8ac5bfd36ab2beb176aeb747aaab7e41Yoshihiro Shimoda if (mdp->ether_link_active_low) 11514923576b8ac5bfd36ab2beb176aeb747aaab7e41Yoshihiro Shimoda link_stat = ~link_stat; 1152380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda } 1153dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (!(link_stat & PHY_ST_LINK)) 11544a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_rcv_snd_disable(ndev); 1155dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu else { 115686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Link Up */ 11574a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, EESIPR) & 11584a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda ~DMAC_M_ECI, EESIPR); 115986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /*clear int */ 11604a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, ECSR), 11614a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda ECSR); 11624a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, EESIPR) | 11634a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda DMAC_M_ECI, EESIPR); 116486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* enable tx and rx */ 11654a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_rcv_snd_enable(ndev); 116686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 116786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 116886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 116986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 117086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (intr_status & EESR_TWB) { 117186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Write buck end. unused write back interrupt */ 117286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (intr_status & EESR_TABT) /* Transmit Abort int */ 1173bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.tx_aborted_errors++; 1174dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (netif_msg_tx_err(mdp)) 1175dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu dev_err(&ndev->dev, "Transmit Abort\n"); 117686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 117786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 117886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (intr_status & EESR_RABT) { 117986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Receive Abort int */ 118086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (intr_status & EESR_RFRMER) { 118186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Receive Frame Overflow int */ 1182bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.rx_frame_errors++; 1183dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (netif_msg_rx_err(mdp)) 1184dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu dev_err(&ndev->dev, "Receive Abort\n"); 118586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 118686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 1187380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 1188dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (intr_status & EESR_TDE) { 1189dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu /* Transmit Descriptor Empty int */ 1190bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.tx_fifo_errors++; 1191dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (netif_msg_tx_err(mdp)) 1192dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu dev_err(&ndev->dev, "Transmit Descriptor Empty\n"); 1193dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu } 1194dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1195dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (intr_status & EESR_TFE) { 1196dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu /* FIFO under flow */ 1197bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.tx_fifo_errors++; 1198dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (netif_msg_tx_err(mdp)) 1199dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu dev_err(&ndev->dev, "Transmit FIFO Under flow\n"); 120086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 120186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 120286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (intr_status & EESR_RDE) { 120386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Receive Descriptor Empty int */ 1204bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.rx_over_errors++; 120586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1206dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (netif_msg_rx_err(mdp)) 1207dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu dev_err(&ndev->dev, "Receive Descriptor Empty\n"); 120886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 1209dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 121086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (intr_status & EESR_RFE) { 121186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Receive FIFO Overflow int */ 1212bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.rx_fifo_errors++; 1213dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (netif_msg_rx_err(mdp)) 1214dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu dev_err(&ndev->dev, "Receive FIFO Overflow\n"); 1215dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu } 1216dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1217dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (!mdp->cd->no_ade && (intr_status & EESR_ADE)) { 1218dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu /* Address Error */ 1219bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.tx_fifo_errors++; 1220dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (netif_msg_tx_err(mdp)) 1221dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu dev_err(&ndev->dev, "Address Error\n"); 122286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 1223380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 1224380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda mask = EESR_TWB | EESR_TABT | EESR_ADE | EESR_TDE | EESR_TFE; 1225380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (mdp->cd->no_ade) 1226380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda mask &= ~EESR_ADE; 1227380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (intr_status & mask) { 122886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Tx error */ 12294a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda u32 edtrr = sh_eth_read(ndev, EDTRR); 123086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* dmesg */ 1231380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda dev_err(&ndev->dev, "TX error. status=%8.8x cur_tx=%8.8x ", 1232380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda intr_status, mdp->cur_tx); 1233380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda dev_err(&ndev->dev, "dirty_tx=%8.8x state=%8.8x EDTRR=%8.8x.\n", 123486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->dirty_tx, (u32) ndev->state, edtrr); 123586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* dirty buffer free */ 123686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu sh_eth_txfree(ndev); 123786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 123886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* SH7712 BUG */ 1239c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda if (edtrr ^ sh_eth_get_edtrr_trns(mdp)) { 124086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* tx dma start */ 1241c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda sh_eth_write(ndev, sh_eth_get_edtrr_trns(mdp), EDTRR); 124286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 124386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* wakeup */ 124486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu netif_wake_queue(ndev); 124586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 124686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 124786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 124886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic irqreturn_t sh_eth_interrupt(int irq, void *netdev) 124986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 125086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct net_device *ndev = netdev; 125186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 1252380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda struct sh_eth_cpu_data *cd = mdp->cd; 12530e0fde3c8d65524b8dfd834332d6e4a92711a66aNobuhiro Iwamatsu irqreturn_t ret = IRQ_NONE; 12544a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda u32 intr_status = 0; 125586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 125686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu spin_lock(&mdp->lock); 125786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1258b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu /* Get interrpt stat */ 12594a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda intr_status = sh_eth_read(ndev, EESR); 126086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Clear interrupt */ 12610e0fde3c8d65524b8dfd834332d6e4a92711a66aNobuhiro Iwamatsu if (intr_status & (EESR_FRC | EESR_RMAF | EESR_RRF | 12620e0fde3c8d65524b8dfd834332d6e4a92711a66aNobuhiro Iwamatsu EESR_RTLF | EESR_RTSF | EESR_PRE | EESR_CERF | 1263380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda cd->tx_check | cd->eesr_err_check)) { 12644a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, intr_status, EESR); 12650e0fde3c8d65524b8dfd834332d6e4a92711a66aNobuhiro Iwamatsu ret = IRQ_HANDLED; 12660e0fde3c8d65524b8dfd834332d6e4a92711a66aNobuhiro Iwamatsu } else 12670e0fde3c8d65524b8dfd834332d6e4a92711a66aNobuhiro Iwamatsu goto other_irq; 126886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1269b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu if (intr_status & (EESR_FRC | /* Frame recv*/ 1270b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu EESR_RMAF | /* Multi cast address recv*/ 1271b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu EESR_RRF | /* Bit frame recv */ 1272b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu EESR_RTLF | /* Long frame recv*/ 1273b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu EESR_RTSF | /* short frame recv */ 1274b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu EESR_PRE | /* PHY-LSI recv error */ 1275b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu EESR_CERF)){ /* recv frame CRC error */ 127686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu sh_eth_rx(ndev); 1277b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu } 127886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1279b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu /* Tx Check */ 1280380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (intr_status & cd->tx_check) { 128186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu sh_eth_txfree(ndev); 128286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu netif_wake_queue(ndev); 128386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 128486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1285380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (intr_status & cd->eesr_err_check) 128686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu sh_eth_error(ndev, intr_status); 128786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 12880e0fde3c8d65524b8dfd834332d6e4a92711a66aNobuhiro Iwamatsuother_irq: 128986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu spin_unlock(&mdp->lock); 129086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 12910e0fde3c8d65524b8dfd834332d6e4a92711a66aNobuhiro Iwamatsu return ret; 129286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 129386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 129486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic void sh_eth_timer(unsigned long data) 129586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 129686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct net_device *ndev = (struct net_device *)data; 129786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 129886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 129986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mod_timer(&mdp->timer, jiffies + (10 * HZ)); 130086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 130186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 130286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* PHY state control function */ 130386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic void sh_eth_adjust_link(struct net_device *ndev) 130486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 130586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 130686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct phy_device *phydev = mdp->phydev; 130786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu int new_state = 0; 130886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 130986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (phydev->link != PHY_DOWN) { 131086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (phydev->duplex != mdp->duplex) { 131186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu new_state = 1; 131286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->duplex = phydev->duplex; 1313380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (mdp->cd->set_duplex) 1314380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda mdp->cd->set_duplex(ndev); 131586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 131686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 131786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (phydev->speed != mdp->speed) { 131886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu new_state = 1; 131986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->speed = phydev->speed; 1320380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (mdp->cd->set_rate) 1321380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda mdp->cd->set_rate(ndev); 132286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 132386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (mdp->link == PHY_DOWN) { 132491a5615203355bb34e0b9e68e94f27f24719a74cYoshihiro Shimoda sh_eth_write(ndev, 132591a5615203355bb34e0b9e68e94f27f24719a74cYoshihiro Shimoda (sh_eth_read(ndev, ECMR) & ~ECMR_TXF), ECMR); 132686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu new_state = 1; 132786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->link = phydev->link; 132886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 132986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } else if (mdp->link) { 133086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu new_state = 1; 133186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->link = PHY_DOWN; 133286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->speed = 0; 133386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->duplex = -1; 133486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 133586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1336dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (new_state && netif_msg_link(mdp)) 133786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu phy_print_status(phydev); 133886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 133986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 134086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* PHY init function */ 134186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic int sh_eth_phy_init(struct net_device *ndev) 134286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 134386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 13440a372eb91f9d507701a901c2f62ed31ca67fd66cDavid S. Miller char phy_id[MII_BUS_ID_SIZE + 3]; 134586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct phy_device *phydev = NULL; 134686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1347fb28ad35906af2f042c94e2f9c0f898ef9acfa37Kay Sievers snprintf(phy_id, sizeof(phy_id), PHY_ID_FMT, 134886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->mii_bus->id , mdp->phy_id); 134986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 135086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->link = PHY_DOWN; 135186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->speed = 0; 135286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->duplex = -1; 135386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 135486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Try connect to PHY */ 1355c061b18df0f1fe3f50fe451dbbdc9ede3c19701aJoe Perches phydev = phy_connect(ndev, phy_id, sh_eth_adjust_link, 1356e47c90523484518aac30498150e427d824ace705Yoshihiro Shimoda 0, mdp->phy_interface); 135786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (IS_ERR(phydev)) { 135886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu dev_err(&ndev->dev, "phy_connect failed\n"); 135986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return PTR_ERR(phydev); 136086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 1361380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 136286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu dev_info(&ndev->dev, "attached phy %i to driver %s\n", 1363380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda phydev->addr, phydev->drv->name); 136486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 136586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->phydev = phydev; 136686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 136786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return 0; 136886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 136986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 137086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* PHY control start function */ 137186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic int sh_eth_phy_start(struct net_device *ndev) 137286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 137386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 137486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu int ret; 137586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 137686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ret = sh_eth_phy_init(ndev); 137786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (ret) 137886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return ret; 137986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 138086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* reset phy - this also wakes it from PDOWN */ 138186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu phy_write(mdp->phydev, MII_BMCR, BMCR_RESET); 138286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu phy_start(mdp->phydev); 138386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 138486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return 0; 138586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 138686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1387dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsustatic int sh_eth_get_settings(struct net_device *ndev, 1388dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu struct ethtool_cmd *ecmd) 1389dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu{ 1390dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 1391dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu unsigned long flags; 1392dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu int ret; 1393dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1394dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu spin_lock_irqsave(&mdp->lock, flags); 1395dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu ret = phy_ethtool_gset(mdp->phydev, ecmd); 1396dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu spin_unlock_irqrestore(&mdp->lock, flags); 1397dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1398dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu return ret; 1399dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu} 1400dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1401dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsustatic int sh_eth_set_settings(struct net_device *ndev, 1402dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu struct ethtool_cmd *ecmd) 1403dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu{ 1404dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 1405dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu unsigned long flags; 1406dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu int ret; 1407dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1408dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu spin_lock_irqsave(&mdp->lock, flags); 1409dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1410dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu /* disable tx and rx */ 14114a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_rcv_snd_disable(ndev); 1412dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1413dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu ret = phy_ethtool_sset(mdp->phydev, ecmd); 1414dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (ret) 1415dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu goto error_exit; 1416dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1417dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (ecmd->duplex == DUPLEX_FULL) 1418dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu mdp->duplex = 1; 1419dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu else 1420dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu mdp->duplex = 0; 1421dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1422dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (mdp->cd->set_duplex) 1423dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu mdp->cd->set_duplex(ndev); 1424dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1425dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsuerror_exit: 1426dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu mdelay(1); 1427dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1428dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu /* enable tx and rx */ 14294a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_rcv_snd_enable(ndev); 1430dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1431dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu spin_unlock_irqrestore(&mdp->lock, flags); 1432dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1433dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu return ret; 1434dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu} 1435dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1436dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsustatic int sh_eth_nway_reset(struct net_device *ndev) 1437dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu{ 1438dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 1439dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu unsigned long flags; 1440dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu int ret; 1441dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1442dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu spin_lock_irqsave(&mdp->lock, flags); 1443dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu ret = phy_start_aneg(mdp->phydev); 1444dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu spin_unlock_irqrestore(&mdp->lock, flags); 1445dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1446dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu return ret; 1447dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu} 1448dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1449dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsustatic u32 sh_eth_get_msglevel(struct net_device *ndev) 1450dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu{ 1451dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 1452dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu return mdp->msg_enable; 1453dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu} 1454dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1455dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsustatic void sh_eth_set_msglevel(struct net_device *ndev, u32 value) 1456dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu{ 1457dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 1458dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu mdp->msg_enable = value; 1459dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu} 1460dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1461dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsustatic const char sh_eth_gstrings_stats[][ETH_GSTRING_LEN] = { 1462dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu "rx_current", "tx_current", 1463dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu "rx_dirty", "tx_dirty", 1464dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu}; 1465dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu#define SH_ETH_STATS_LEN ARRAY_SIZE(sh_eth_gstrings_stats) 1466dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1467dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsustatic int sh_eth_get_sset_count(struct net_device *netdev, int sset) 1468dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu{ 1469dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu switch (sset) { 1470dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu case ETH_SS_STATS: 1471dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu return SH_ETH_STATS_LEN; 1472dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu default: 1473dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu return -EOPNOTSUPP; 1474dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu } 1475dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu} 1476dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1477dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsustatic void sh_eth_get_ethtool_stats(struct net_device *ndev, 1478dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu struct ethtool_stats *stats, u64 *data) 1479dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu{ 1480dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 1481dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu int i = 0; 1482dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1483dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu /* device-specific stats */ 1484dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu data[i++] = mdp->cur_rx; 1485dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu data[i++] = mdp->cur_tx; 1486dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu data[i++] = mdp->dirty_rx; 1487dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu data[i++] = mdp->dirty_tx; 1488dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu} 1489dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1490dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsustatic void sh_eth_get_strings(struct net_device *ndev, u32 stringset, u8 *data) 1491dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu{ 1492dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu switch (stringset) { 1493dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu case ETH_SS_STATS: 1494dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu memcpy(data, *sh_eth_gstrings_stats, 1495dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu sizeof(sh_eth_gstrings_stats)); 1496dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu break; 1497dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu } 1498dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu} 1499dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 15009b07be4b2a78166bc54c8eedf18da8a8aafacfabstephen hemmingerstatic const struct ethtool_ops sh_eth_ethtool_ops = { 1501dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu .get_settings = sh_eth_get_settings, 1502dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu .set_settings = sh_eth_set_settings, 15039b07be4b2a78166bc54c8eedf18da8a8aafacfabstephen hemminger .nway_reset = sh_eth_nway_reset, 1504dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu .get_msglevel = sh_eth_get_msglevel, 1505dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu .set_msglevel = sh_eth_set_msglevel, 15069b07be4b2a78166bc54c8eedf18da8a8aafacfabstephen hemminger .get_link = ethtool_op_get_link, 1507dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu .get_strings = sh_eth_get_strings, 1508dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu .get_ethtool_stats = sh_eth_get_ethtool_stats, 1509dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu .get_sset_count = sh_eth_get_sset_count, 1510dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu}; 1511dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 151286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* network device open function */ 151386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic int sh_eth_open(struct net_device *ndev) 151486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 151586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu int ret = 0; 151686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 151786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1518bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm pm_runtime_get_sync(&mdp->pdev->dev); 1519bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm 1520a0607fd3a25ba1848a63a0d925e36d914735ab47Joe Perches ret = request_irq(ndev->irq, sh_eth_interrupt, 1521f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda#if defined(CONFIG_CPU_SUBTYPE_SH7763) || \ 1522dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu defined(CONFIG_CPU_SUBTYPE_SH7764) || \ 1523dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu defined(CONFIG_CPU_SUBTYPE_SH7757) 15240e0fde3c8d65524b8dfd834332d6e4a92711a66aNobuhiro Iwamatsu IRQF_SHARED, 15250e0fde3c8d65524b8dfd834332d6e4a92711a66aNobuhiro Iwamatsu#else 15260e0fde3c8d65524b8dfd834332d6e4a92711a66aNobuhiro Iwamatsu 0, 15270e0fde3c8d65524b8dfd834332d6e4a92711a66aNobuhiro Iwamatsu#endif 15280e0fde3c8d65524b8dfd834332d6e4a92711a66aNobuhiro Iwamatsu ndev->name, ndev); 152986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (ret) { 1530380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda dev_err(&ndev->dev, "Can not assign IRQ number\n"); 153186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return ret; 153286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 153386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 153486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Descriptor set */ 153586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ret = sh_eth_ring_init(ndev); 153686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (ret) 153786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu goto out_free_irq; 153886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 153986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* device init */ 154086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ret = sh_eth_dev_init(ndev); 154186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (ret) 154286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu goto out_free_irq; 154386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 154486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* PHY control start*/ 154586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ret = sh_eth_phy_start(ndev); 154686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (ret) 154786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu goto out_free_irq; 154886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 154986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Set the timer to check for link beat. */ 155086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu init_timer(&mdp->timer); 155186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->timer.expires = (jiffies + (24 * HZ)) / 10;/* 2.4 sec. */ 1552b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu setup_timer(&mdp->timer, sh_eth_timer, (unsigned long)ndev); 155386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 155486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return ret; 155586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 155686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsuout_free_irq: 155786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu free_irq(ndev->irq, ndev); 1558bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm pm_runtime_put_sync(&mdp->pdev->dev); 155986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return ret; 156086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 156186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 156286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* Timeout function */ 156386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic void sh_eth_tx_timeout(struct net_device *ndev) 156486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 156586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 156686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_rxdesc *rxdesc; 156786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu int i; 156886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 156986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu netif_stop_queue(ndev); 157086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1571dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (netif_msg_timer(mdp)) 1572dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu dev_err(&ndev->dev, "%s: transmit timed out, status %8.8x," 15734a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda " resetting...\n", ndev->name, (int)sh_eth_read(ndev, EESR)); 157486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 157586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* tx_errors count up */ 1576bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.tx_errors++; 157786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 157886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* timer off */ 157986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu del_timer_sync(&mdp->timer); 158086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 158186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Free all the skbuffs in the Rx queue. */ 158286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu for (i = 0; i < RX_RING_SIZE; i++) { 158386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu rxdesc = &mdp->rx_ring[i]; 158486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu rxdesc->status = 0; 158586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu rxdesc->addr = 0xBADF00D0; 158686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (mdp->rx_skbuff[i]) 158786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu dev_kfree_skb(mdp->rx_skbuff[i]); 158886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->rx_skbuff[i] = NULL; 158986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 159086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu for (i = 0; i < TX_RING_SIZE; i++) { 159186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (mdp->tx_skbuff[i]) 159286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu dev_kfree_skb(mdp->tx_skbuff[i]); 159386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->tx_skbuff[i] = NULL; 159486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 159586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 159686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* device init */ 159786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu sh_eth_dev_init(ndev); 159886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 159986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* timer on */ 160086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->timer.expires = (jiffies + (24 * HZ)) / 10;/* 2.4 sec. */ 160186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu add_timer(&mdp->timer); 160286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 160386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 160486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* Packet transmit function */ 160586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic int sh_eth_start_xmit(struct sk_buff *skb, struct net_device *ndev) 160686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 160786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 160886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_txdesc *txdesc; 160986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu u32 entry; 1610fb5e2f9b9410a4362897d12dc1ed4f7cec1b0d45Nobuhiro Iwamatsu unsigned long flags; 161186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 161286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu spin_lock_irqsave(&mdp->lock, flags); 161386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if ((mdp->cur_tx - mdp->dirty_tx) >= (TX_RING_SIZE - 4)) { 161486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (!sh_eth_txfree(ndev)) { 1615dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (netif_msg_tx_queued(mdp)) 1616dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu dev_warn(&ndev->dev, "TxFD exhausted.\n"); 161786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu netif_stop_queue(ndev); 161886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu spin_unlock_irqrestore(&mdp->lock, flags); 16195b548140225c6bbbbd560551dd1048b2c0ce58bePatrick McHardy return NETDEV_TX_BUSY; 162086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 162186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 162286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu spin_unlock_irqrestore(&mdp->lock, flags); 162386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 162486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu entry = mdp->cur_tx % TX_RING_SIZE; 162586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->tx_skbuff[entry] = skb; 162686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu txdesc = &mdp->tx_ring[entry]; 162786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* soft swap. */ 1628380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (!mdp->cd->hw_swap) 1629380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda sh_eth_soft_swap(phys_to_virt(ALIGN(txdesc->addr, 4)), 1630380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda skb->len + 2); 163131fcb99d9958bdf04e84224e202f69e6cdac893bYoshihiro Shimoda txdesc->addr = dma_map_single(&ndev->dev, skb->data, skb->len, 163231fcb99d9958bdf04e84224e202f69e6cdac893bYoshihiro Shimoda DMA_TO_DEVICE); 163386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (skb->len < ETHERSMALL) 163486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu txdesc->buffer_length = ETHERSMALL; 163586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu else 163686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu txdesc->buffer_length = skb->len; 163786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 163886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (entry >= TX_RING_SIZE - 1) 163971557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato txdesc->status |= cpu_to_edmac(mdp, TD_TACT | TD_TDLE); 164086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu else 164171557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato txdesc->status |= cpu_to_edmac(mdp, TD_TACT); 164286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 164386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->cur_tx++; 164486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1645c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda if (!(sh_eth_read(ndev, EDTRR) & sh_eth_get_edtrr_trns(mdp))) 1646c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda sh_eth_write(ndev, sh_eth_get_edtrr_trns(mdp), EDTRR); 1647b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu 16486ed106549d17474ca17a16057f4c0ed4eba5a7caPatrick McHardy return NETDEV_TX_OK; 164986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 165086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 165186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* device close function */ 165286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic int sh_eth_close(struct net_device *ndev) 165386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 165486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 165586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu int ringsize; 165686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 165786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu netif_stop_queue(ndev); 165886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 165986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Disable interrupts by clearing the interrupt mask. */ 16604a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 0x0000, EESIPR); 166186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 166286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Stop the chip's Tx and Rx processes. */ 16634a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 0, EDTRR); 16644a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 0, EDRRR); 166586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 166686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* PHY Disconnect */ 166786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (mdp->phydev) { 166886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu phy_stop(mdp->phydev); 166986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu phy_disconnect(mdp->phydev); 167086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 167186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 167286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu free_irq(ndev->irq, ndev); 167386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 167486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu del_timer_sync(&mdp->timer); 167586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 167686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Free all the skbuffs in the Rx queue. */ 167786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu sh_eth_ring_free(ndev); 167886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 167986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* free DMA buffer */ 168086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ringsize = sizeof(struct sh_eth_rxdesc) * RX_RING_SIZE; 168186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu dma_free_coherent(NULL, ringsize, mdp->rx_ring, mdp->rx_desc_dma); 168286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 168386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* free DMA buffer */ 168486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ringsize = sizeof(struct sh_eth_txdesc) * TX_RING_SIZE; 168586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu dma_free_coherent(NULL, ringsize, mdp->tx_ring, mdp->tx_desc_dma); 168686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1687bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm pm_runtime_put_sync(&mdp->pdev->dev); 1688bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm 168986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return 0; 169086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 169186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 169286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic struct net_device_stats *sh_eth_get_stats(struct net_device *ndev) 169386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 169486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 169586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1696bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm pm_runtime_get_sync(&mdp->pdev->dev); 1697bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm 1698bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.tx_dropped += sh_eth_read(ndev, TROCR); 16994a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 0, TROCR); /* (write clear) */ 1700bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.collisions += sh_eth_read(ndev, CDCR); 17014a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 0, CDCR); /* (write clear) */ 1702bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.tx_carrier_errors += sh_eth_read(ndev, LCCR); 17034a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 0, LCCR); /* (write clear) */ 1704c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda if (sh_eth_is_gether(mdp)) { 1705bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.tx_carrier_errors += sh_eth_read(ndev, CERCR); 1706c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda sh_eth_write(ndev, 0, CERCR); /* (write clear) */ 1707bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.tx_carrier_errors += sh_eth_read(ndev, CEECR); 1708c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda sh_eth_write(ndev, 0, CEECR); /* (write clear) */ 1709c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda } else { 1710bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.tx_carrier_errors += sh_eth_read(ndev, CNDCR); 1711c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda sh_eth_write(ndev, 0, CNDCR); /* (write clear) */ 1712c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda } 1713bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm pm_runtime_put_sync(&mdp->pdev->dev); 1714bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm 1715bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet return &ndev->stats; 171686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 171786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1718bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet/* ioctl to device function */ 171986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic int sh_eth_do_ioctl(struct net_device *ndev, struct ifreq *rq, 172086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu int cmd) 172186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 172286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 172386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct phy_device *phydev = mdp->phydev; 172486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 172586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (!netif_running(ndev)) 172686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return -EINVAL; 172786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 172886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (!phydev) 172986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return -ENODEV; 173086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 173128b041139e344ecd0f144d6205b004ae354cfa1eRichard Cochran return phy_mii_ioctl(phydev, rq, cmd); 173286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 173386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1734380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda#if defined(SH_ETH_HAS_TSU) 17356743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda/* For TSU_POSTn. Please refer to the manual about this (strange) bitfields */ 17366743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimodastatic void *sh_eth_tsu_get_post_reg_offset(struct sh_eth_private *mdp, 17376743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda int entry) 17386743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda{ 17396743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return sh_eth_tsu_get_offset(mdp, TSU_POST1) + (entry / 8 * 4); 17406743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda} 17416743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 17426743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimodastatic u32 sh_eth_tsu_get_post_mask(int entry) 17436743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda{ 17446743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return 0x0f << (28 - ((entry % 8) * 4)); 17456743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda} 17466743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 17476743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimodastatic u32 sh_eth_tsu_get_post_bit(struct sh_eth_private *mdp, int entry) 17486743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda{ 17496743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return (0x08 >> (mdp->port << 1)) << (28 - ((entry % 8) * 4)); 17506743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda} 17516743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 17526743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimodastatic void sh_eth_tsu_enable_cam_entry_post(struct net_device *ndev, 17536743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda int entry) 17546743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda{ 17556743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 17566743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda u32 tmp; 17576743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda void *reg_offset; 17586743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 17596743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda reg_offset = sh_eth_tsu_get_post_reg_offset(mdp, entry); 17606743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda tmp = ioread32(reg_offset); 17616743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda iowrite32(tmp | sh_eth_tsu_get_post_bit(mdp, entry), reg_offset); 17626743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda} 17636743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 17646743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimodastatic bool sh_eth_tsu_disable_cam_entry_post(struct net_device *ndev, 17656743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda int entry) 17666743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda{ 17676743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 17686743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda u32 post_mask, ref_mask, tmp; 17696743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda void *reg_offset; 17706743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 17716743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda reg_offset = sh_eth_tsu_get_post_reg_offset(mdp, entry); 17726743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda post_mask = sh_eth_tsu_get_post_mask(entry); 17736743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda ref_mask = sh_eth_tsu_get_post_bit(mdp, entry) & ~post_mask; 17746743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 17756743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda tmp = ioread32(reg_offset); 17766743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda iowrite32(tmp & ~post_mask, reg_offset); 17776743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 17786743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda /* If other port enables, the function returns "true" */ 17796743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return tmp & ref_mask; 17806743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda} 17816743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 17826743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimodastatic int sh_eth_tsu_busy(struct net_device *ndev) 17836743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda{ 17846743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda int timeout = SH_ETH_TSU_TIMEOUT_MS * 100; 17856743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 17866743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 17876743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda while ((sh_eth_tsu_read(mdp, TSU_ADSBSY) & TSU_ADSBSY_0)) { 17886743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda udelay(10); 17896743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda timeout--; 17906743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (timeout <= 0) { 17916743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda dev_err(&ndev->dev, "%s: timeout\n", __func__); 17926743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return -ETIMEDOUT; 17936743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda } 17946743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda } 17956743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 17966743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return 0; 17976743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda} 17986743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 17996743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimodastatic int sh_eth_tsu_write_entry(struct net_device *ndev, void *reg, 18006743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda const u8 *addr) 18016743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda{ 18026743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda u32 val; 18036743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 18046743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda val = addr[0] << 24 | addr[1] << 16 | addr[2] << 8 | addr[3]; 18056743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda iowrite32(val, reg); 18066743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (sh_eth_tsu_busy(ndev) < 0) 18076743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return -EBUSY; 18086743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 18096743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda val = addr[4] << 8 | addr[5]; 18106743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda iowrite32(val, reg + 4); 18116743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (sh_eth_tsu_busy(ndev) < 0) 18126743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return -EBUSY; 18136743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 18146743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return 0; 18156743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda} 18166743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 18176743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimodastatic void sh_eth_tsu_read_entry(void *reg, u8 *addr) 18186743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda{ 18196743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda u32 val; 18206743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 18216743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda val = ioread32(reg); 18226743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda addr[0] = (val >> 24) & 0xff; 18236743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda addr[1] = (val >> 16) & 0xff; 18246743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda addr[2] = (val >> 8) & 0xff; 18256743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda addr[3] = val & 0xff; 18266743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda val = ioread32(reg + 4); 18276743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda addr[4] = (val >> 8) & 0xff; 18286743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda addr[5] = val & 0xff; 18296743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda} 18306743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 18316743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 18326743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimodastatic int sh_eth_tsu_find_entry(struct net_device *ndev, const u8 *addr) 18336743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda{ 18346743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 18356743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda void *reg_offset = sh_eth_tsu_get_offset(mdp, TSU_ADRH0); 18366743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda int i; 18376743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda u8 c_addr[ETH_ALEN]; 18386743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 18396743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda for (i = 0; i < SH_ETH_TSU_CAM_ENTRIES; i++, reg_offset += 8) { 18406743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda sh_eth_tsu_read_entry(reg_offset, c_addr); 18416743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (memcmp(addr, c_addr, ETH_ALEN) == 0) 18426743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return i; 18436743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda } 18446743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 18456743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return -ENOENT; 18466743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda} 18476743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 18486743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimodastatic int sh_eth_tsu_find_empty(struct net_device *ndev) 18496743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda{ 18506743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda u8 blank[ETH_ALEN]; 18516743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda int entry; 18526743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 18536743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda memset(blank, 0, sizeof(blank)); 18546743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda entry = sh_eth_tsu_find_entry(ndev, blank); 18556743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return (entry < 0) ? -ENOMEM : entry; 18566743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda} 18576743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 18586743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimodastatic int sh_eth_tsu_disable_cam_entry_table(struct net_device *ndev, 18596743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda int entry) 18606743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda{ 18616743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 18626743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda void *reg_offset = sh_eth_tsu_get_offset(mdp, TSU_ADRH0); 18636743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda int ret; 18646743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda u8 blank[ETH_ALEN]; 18656743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 18666743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda sh_eth_tsu_write(mdp, sh_eth_tsu_read(mdp, TSU_TEN) & 18676743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda ~(1 << (31 - entry)), TSU_TEN); 18686743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 18696743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda memset(blank, 0, sizeof(blank)); 18706743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda ret = sh_eth_tsu_write_entry(ndev, reg_offset + entry * 8, blank); 18716743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (ret < 0) 18726743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return ret; 18736743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return 0; 18746743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda} 18756743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 18766743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimodastatic int sh_eth_tsu_add_entry(struct net_device *ndev, const u8 *addr) 18776743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda{ 18786743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 18796743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda void *reg_offset = sh_eth_tsu_get_offset(mdp, TSU_ADRH0); 18806743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda int i, ret; 18816743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 18826743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (!mdp->cd->tsu) 18836743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return 0; 18846743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 18856743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda i = sh_eth_tsu_find_entry(ndev, addr); 18866743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (i < 0) { 18876743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda /* No entry found, create one */ 18886743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda i = sh_eth_tsu_find_empty(ndev); 18896743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (i < 0) 18906743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return -ENOMEM; 18916743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda ret = sh_eth_tsu_write_entry(ndev, reg_offset + i * 8, addr); 18926743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (ret < 0) 18936743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return ret; 18946743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 18956743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda /* Enable the entry */ 18966743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda sh_eth_tsu_write(mdp, sh_eth_tsu_read(mdp, TSU_TEN) | 18976743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda (1 << (31 - i)), TSU_TEN); 18986743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda } 18996743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 19006743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda /* Entry found or created, enable POST */ 19016743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda sh_eth_tsu_enable_cam_entry_post(ndev, i); 19026743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 19036743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return 0; 19046743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda} 19056743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 19066743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimodastatic int sh_eth_tsu_del_entry(struct net_device *ndev, const u8 *addr) 19076743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda{ 19086743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 19096743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda int i, ret; 19106743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 19116743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (!mdp->cd->tsu) 19126743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return 0; 19136743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 19146743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda i = sh_eth_tsu_find_entry(ndev, addr); 19156743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (i) { 19166743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda /* Entry found */ 19176743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (sh_eth_tsu_disable_cam_entry_post(ndev, i)) 19186743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda goto done; 19196743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 19206743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda /* Disable the entry if both ports was disabled */ 19216743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda ret = sh_eth_tsu_disable_cam_entry_table(ndev, i); 19226743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (ret < 0) 19236743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return ret; 19246743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda } 19256743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimodadone: 19266743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return 0; 19276743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda} 19286743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 19296743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimodastatic int sh_eth_tsu_purge_all(struct net_device *ndev) 19306743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda{ 19316743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 19326743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda int i, ret; 19336743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 19346743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (unlikely(!mdp->cd->tsu)) 19356743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return 0; 19366743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 19376743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda for (i = 0; i < SH_ETH_TSU_CAM_ENTRIES; i++) { 19386743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (sh_eth_tsu_disable_cam_entry_post(ndev, i)) 19396743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda continue; 19406743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 19416743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda /* Disable the entry if both ports was disabled */ 19426743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda ret = sh_eth_tsu_disable_cam_entry_table(ndev, i); 19436743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (ret < 0) 19446743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return ret; 19456743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda } 19466743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 19476743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return 0; 19486743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda} 19496743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 19506743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimodastatic void sh_eth_tsu_purge_mcast(struct net_device *ndev) 19516743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda{ 19526743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 19536743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda u8 addr[ETH_ALEN]; 19546743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda void *reg_offset = sh_eth_tsu_get_offset(mdp, TSU_ADRH0); 19556743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda int i; 19566743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 19576743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (unlikely(!mdp->cd->tsu)) 19586743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return; 19596743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 19606743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda for (i = 0; i < SH_ETH_TSU_CAM_ENTRIES; i++, reg_offset += 8) { 19616743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda sh_eth_tsu_read_entry(reg_offset, addr); 19626743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (is_multicast_ether_addr(addr)) 19636743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda sh_eth_tsu_del_entry(ndev, addr); 19646743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda } 19656743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda} 19666743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 196786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* Multicast reception directions set */ 196886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic void sh_eth_set_multicast_list(struct net_device *ndev) 196986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 19706743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 19716743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda u32 ecmr_bits; 19726743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda int mcast_all = 0; 19736743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda unsigned long flags; 19746743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 19756743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda spin_lock_irqsave(&mdp->lock, flags); 19766743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda /* 19776743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda * Initial condition is MCT = 1, PRM = 0. 19786743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda * Depending on ndev->flags, set PRM or clear MCT 19796743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda */ 19806743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda ecmr_bits = (sh_eth_read(ndev, ECMR) & ~ECMR_PRM) | ECMR_MCT; 19816743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 19826743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (!(ndev->flags & IFF_MULTICAST)) { 19836743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda sh_eth_tsu_purge_mcast(ndev); 19846743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda mcast_all = 1; 19856743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda } 19866743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (ndev->flags & IFF_ALLMULTI) { 19876743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda sh_eth_tsu_purge_mcast(ndev); 19886743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda ecmr_bits &= ~ECMR_MCT; 19896743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda mcast_all = 1; 19906743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda } 19916743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 199286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (ndev->flags & IFF_PROMISC) { 19936743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda sh_eth_tsu_purge_all(ndev); 19946743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda ecmr_bits = (ecmr_bits & ~ECMR_MCT) | ECMR_PRM; 19956743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda } else if (mdp->cd->tsu) { 19966743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda struct netdev_hw_addr *ha; 19976743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda netdev_for_each_mc_addr(ha, ndev) { 19986743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (mcast_all && is_multicast_ether_addr(ha->addr)) 19996743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda continue; 20006743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 20016743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (sh_eth_tsu_add_entry(ndev, ha->addr) < 0) { 20026743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (!mcast_all) { 20036743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda sh_eth_tsu_purge_mcast(ndev); 20046743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda ecmr_bits &= ~ECMR_MCT; 20056743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda mcast_all = 1; 20066743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda } 20076743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda } 20086743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda } 200986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } else { 201086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Normal, unicast/broadcast-only mode. */ 20116743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda ecmr_bits = (ecmr_bits & ~ECMR_PRM) | ECMR_MCT; 201286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 20136743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 20146743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda /* update the ethernet mode */ 20156743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda sh_eth_write(ndev, ecmr_bits, ECMR); 20166743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 20176743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda spin_unlock_irqrestore(&mdp->lock, flags); 201886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 201971cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda 202071cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimodastatic int sh_eth_get_vtag_index(struct sh_eth_private *mdp) 202171cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda{ 202271cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda if (!mdp->port) 202371cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda return TSU_VTAG0; 202471cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda else 202571cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda return TSU_VTAG1; 202671cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda} 202771cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda 202871cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimodastatic int sh_eth_vlan_rx_add_vid(struct net_device *ndev, u16 vid) 202971cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda{ 203071cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 203171cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda int vtag_reg_index = sh_eth_get_vtag_index(mdp); 203271cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda 203371cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda if (unlikely(!mdp->cd->tsu)) 203471cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda return -EPERM; 203571cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda 203671cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda /* No filtering if vid = 0 */ 203771cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda if (!vid) 203871cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda return 0; 203971cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda 204071cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda mdp->vlan_num_ids++; 204171cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda 204271cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda /* 204371cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda * The controller has one VLAN tag HW filter. So, if the filter is 204471cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda * already enabled, the driver disables it and the filte 204571cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda */ 204671cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda if (mdp->vlan_num_ids > 1) { 204771cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda /* disable VLAN filter */ 204871cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda sh_eth_tsu_write(mdp, 0, vtag_reg_index); 204971cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda return 0; 205071cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda } 205171cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda 205271cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda sh_eth_tsu_write(mdp, TSU_VTAG_ENABLE | (vid & TSU_VTAG_VID_MASK), 205371cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda vtag_reg_index); 205471cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda 205571cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda return 0; 205671cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda} 205771cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda 205871cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimodastatic int sh_eth_vlan_rx_kill_vid(struct net_device *ndev, u16 vid) 205971cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda{ 206071cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 206171cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda int vtag_reg_index = sh_eth_get_vtag_index(mdp); 206271cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda 206371cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda if (unlikely(!mdp->cd->tsu)) 206471cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda return -EPERM; 206571cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda 206671cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda /* No filtering if vid = 0 */ 206771cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda if (!vid) 206871cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda return 0; 206971cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda 207071cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda mdp->vlan_num_ids--; 207171cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda sh_eth_tsu_write(mdp, 0, vtag_reg_index); 207271cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda 207371cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda return 0; 207471cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda} 20754986b996882d82c68ab54b822d7cfdd7dd35f19aYoshihiro Shimoda#endif /* SH_ETH_HAS_TSU */ 207686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 207786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* SuperH's TSU register init function */ 20784a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimodastatic void sh_eth_tsu_init(struct sh_eth_private *mdp) 207986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 20804a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_FWEN0); /* Disable forward(0->1) */ 20814a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_FWEN1); /* Disable forward(1->0) */ 20824a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_FCM); /* forward fifo 3k-3k */ 20834a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0xc, TSU_BSYSL0); 20844a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0xc, TSU_BSYSL1); 20854a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_PRISL0); 20864a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_PRISL1); 20874a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_FWSL0); 20884a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_FWSL1); 20894a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, TSU_FWSLC_POSTENU | TSU_FWSLC_POSTENL, TSU_FWSLC); 2090c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda if (sh_eth_is_gether(mdp)) { 2091c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_QTAG0); /* Disable QTAG(0->1) */ 2092c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_QTAG1); /* Disable QTAG(1->0) */ 2093c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda } else { 2094c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_QTAGM0); /* Disable QTAG(0->1) */ 2095c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_QTAGM1); /* Disable QTAG(1->0) */ 2096c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda } 20974a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_FWSR); /* all interrupt status clear */ 20984a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_FWINMK); /* Disable all interrupt */ 20994a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_TEN); /* Disable all CAM entry */ 21004a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_POST1); /* Disable CAM entry [ 0- 7] */ 21014a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_POST2); /* Disable CAM entry [ 8-15] */ 21024a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_POST3); /* Disable CAM entry [16-23] */ 21034a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_POST4); /* Disable CAM entry [24-31] */ 210486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 210586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 210686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* MDIO bus release function */ 210786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic int sh_mdio_release(struct net_device *ndev) 210886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 210986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct mii_bus *bus = dev_get_drvdata(&ndev->dev); 211086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 211186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* unregister mdio bus */ 211286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdiobus_unregister(bus); 211386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 211486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* remove mdio bus info from net_device */ 211586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu dev_set_drvdata(&ndev->dev, NULL); 211686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 21170f0b405cd16f7aaff84a935984cae421897d725dDenis Kirjanov /* free interrupts memory */ 21180f0b405cd16f7aaff84a935984cae421897d725dDenis Kirjanov kfree(bus->irq); 21190f0b405cd16f7aaff84a935984cae421897d725dDenis Kirjanov 212086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* free bitbang info */ 212186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu free_mdio_bitbang(bus); 212286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 212386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return 0; 212486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 212586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 212686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* MDIO bus init function */ 2127b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimodastatic int sh_mdio_init(struct net_device *ndev, int id, 2128b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda struct sh_eth_plat_data *pd) 212986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 213086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu int ret, i; 213186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct bb_info *bitbang; 213286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 213386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 213486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* create bit control struct for PHY */ 213586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu bitbang = kzalloc(sizeof(struct bb_info), GFP_KERNEL); 213686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (!bitbang) { 213786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ret = -ENOMEM; 213886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu goto out; 213986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 214086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 214186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* bitbang init */ 2142ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda bitbang->addr = mdp->addr + mdp->reg_offset[PIR]; 2143b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda bitbang->set_gate = pd->set_mdio_gate; 214486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu bitbang->mdi_msk = 0x08; 214586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu bitbang->mdo_msk = 0x04; 214686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu bitbang->mmd_msk = 0x02;/* MMD */ 214786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu bitbang->mdc_msk = 0x01; 214886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu bitbang->ctrl.ops = &bb_ops; 214986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 2150c2e07b3a9ced33dd92597201be3931be8ea57ed6Stefan Weil /* MII controller setting */ 215186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->mii_bus = alloc_mdio_bitbang(&bitbang->ctrl); 215286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (!mdp->mii_bus) { 215386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ret = -ENOMEM; 215486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu goto out_free_bitbang; 215586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 215686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 215786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Hook up MII support for ethtool */ 215886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->mii_bus->name = "sh_mii"; 215918ee49ddb0d242ed1d0e273038d5e4f6de7379d3Lennert Buytenhek mdp->mii_bus->parent = &ndev->dev; 21605278fb547076ad6768d16c8b4df45c086470c163Florian Fainelli snprintf(mdp->mii_bus->id, MII_BUS_ID_SIZE, "%s-%x", 216134aa6f1400810890636ba0b170effbfa71eacec7Nobuhiro Iwamatsu mdp->pdev->name, id); 216286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 216386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* PHY IRQ */ 216486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->mii_bus->irq = kmalloc(sizeof(int)*PHY_MAX_ADDR, GFP_KERNEL); 216586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (!mdp->mii_bus->irq) { 216686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ret = -ENOMEM; 216786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu goto out_free_bus; 216886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 216986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 217086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu for (i = 0; i < PHY_MAX_ADDR; i++) 217186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->mii_bus->irq[i] = PHY_POLL; 217286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 217386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* regist mdio bus */ 217486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ret = mdiobus_register(mdp->mii_bus); 217586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (ret) 217686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu goto out_free_irq; 217786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 217886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu dev_set_drvdata(&ndev->dev, mdp->mii_bus); 217986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 218086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return 0; 218186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 218286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsuout_free_irq: 218386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu kfree(mdp->mii_bus->irq); 218486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 218586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsuout_free_bus: 2186298cf9beb9679522de995e249eccbd82f7c51999Lennert Buytenhek free_mdio_bitbang(mdp->mii_bus); 218786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 218886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsuout_free_bitbang: 218986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu kfree(bitbang); 219086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 219186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsuout: 219286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return ret; 219386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 219486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 21954a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimodastatic const u16 *sh_eth_get_register_offset(int register_type) 21964a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda{ 21974a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda const u16 *reg_offset = NULL; 21984a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda 21994a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda switch (register_type) { 22004a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda case SH_ETH_REG_GIGABIT: 22014a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda reg_offset = sh_eth_offset_gigabit; 22024a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda break; 22034a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda case SH_ETH_REG_FAST_SH4: 22044a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda reg_offset = sh_eth_offset_fast_sh4; 22054a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda break; 22064a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda case SH_ETH_REG_FAST_SH3_SH2: 22074a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda reg_offset = sh_eth_offset_fast_sh3_sh2; 22084a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda break; 22094a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda default: 22104a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda printk(KERN_ERR "Unknown register type (%d)\n", register_type); 22114a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda break; 22124a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda } 22134a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda 22144a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda return reg_offset; 22154a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda} 22164a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda 2217ebf84eaa927be41a440fd4c8f81e1844922bc0b2Alexander Beregalovstatic const struct net_device_ops sh_eth_netdev_ops = { 2218ebf84eaa927be41a440fd4c8f81e1844922bc0b2Alexander Beregalov .ndo_open = sh_eth_open, 2219ebf84eaa927be41a440fd4c8f81e1844922bc0b2Alexander Beregalov .ndo_stop = sh_eth_close, 2220ebf84eaa927be41a440fd4c8f81e1844922bc0b2Alexander Beregalov .ndo_start_xmit = sh_eth_start_xmit, 2221ebf84eaa927be41a440fd4c8f81e1844922bc0b2Alexander Beregalov .ndo_get_stats = sh_eth_get_stats, 2222380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda#if defined(SH_ETH_HAS_TSU) 2223afc4b13df143122f99a0eb10bfefb216c2806de0Jiri Pirko .ndo_set_rx_mode = sh_eth_set_multicast_list, 222471cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda .ndo_vlan_rx_add_vid = sh_eth_vlan_rx_add_vid, 222571cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda .ndo_vlan_rx_kill_vid = sh_eth_vlan_rx_kill_vid, 2226380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda#endif 2227ebf84eaa927be41a440fd4c8f81e1844922bc0b2Alexander Beregalov .ndo_tx_timeout = sh_eth_tx_timeout, 2228ebf84eaa927be41a440fd4c8f81e1844922bc0b2Alexander Beregalov .ndo_do_ioctl = sh_eth_do_ioctl, 2229ebf84eaa927be41a440fd4c8f81e1844922bc0b2Alexander Beregalov .ndo_validate_addr = eth_validate_addr, 2230ebf84eaa927be41a440fd4c8f81e1844922bc0b2Alexander Beregalov .ndo_set_mac_address = eth_mac_addr, 2231ebf84eaa927be41a440fd4c8f81e1844922bc0b2Alexander Beregalov .ndo_change_mtu = eth_change_mtu, 2232ebf84eaa927be41a440fd4c8f81e1844922bc0b2Alexander Beregalov}; 2233ebf84eaa927be41a440fd4c8f81e1844922bc0b2Alexander Beregalov 223486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic int sh_eth_drv_probe(struct platform_device *pdev) 223586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 22369c38657cfcb739b7dc4ce9065a85b4f0c195bef8Kuninori Morimoto int ret, devno = 0; 223786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct resource *res; 223886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct net_device *ndev = NULL; 2239ec0d75518cb06261f1823fa2713fe52b9b26455eKuninori Morimoto struct sh_eth_private *mdp = NULL; 224071557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato struct sh_eth_plat_data *pd; 224186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 224286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* get base addr */ 224386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu res = platform_get_resource(pdev, IORESOURCE_MEM, 0); 224486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (unlikely(res == NULL)) { 224586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu dev_err(&pdev->dev, "invalid resource\n"); 224686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ret = -EINVAL; 224786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu goto out; 224886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 224986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 225086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ndev = alloc_etherdev(sizeof(struct sh_eth_private)); 225186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (!ndev) { 225286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ret = -ENOMEM; 225386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu goto out; 225486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 225586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 225686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* The sh Ether-specific entries in the device structure. */ 225786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ndev->base_addr = res->start; 225886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu devno = pdev->id; 225986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (devno < 0) 226086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu devno = 0; 226186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 226286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ndev->dma = -1; 2263cc3c080d9f4484021e7b14f99de94a8c85a668d5roel kluin ret = platform_get_irq(pdev, 0); 2264cc3c080d9f4484021e7b14f99de94a8c85a668d5roel kluin if (ret < 0) { 226586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ret = -ENODEV; 226686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu goto out_release; 226786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 2268cc3c080d9f4484021e7b14f99de94a8c85a668d5roel kluin ndev->irq = ret; 226986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 227086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu SET_NETDEV_DEV(ndev, &pdev->dev); 227186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 227286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Fill in the fields of the device structure with ethernet values. */ 227386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ether_setup(ndev); 227486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 227586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp = netdev_priv(ndev); 2276ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda mdp->addr = ioremap(res->start, resource_size(res)); 2277ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda if (mdp->addr == NULL) { 2278ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda ret = -ENOMEM; 2279ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda dev_err(&pdev->dev, "ioremap failed.\n"); 2280ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda goto out_release; 2281ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda } 2282ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda 228386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu spin_lock_init(&mdp->lock); 2284bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm mdp->pdev = pdev; 2285bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm pm_runtime_enable(&pdev->dev); 2286bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm pm_runtime_resume(&pdev->dev); 228786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 228871557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato pd = (struct sh_eth_plat_data *)(pdev->dev.platform_data); 228986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* get PHY ID */ 229071557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato mdp->phy_id = pd->phy; 2291e47c90523484518aac30498150e427d824ace705Yoshihiro Shimoda mdp->phy_interface = pd->phy_interface; 229271557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato /* EDMAC endian */ 229371557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato mdp->edmac_endian = pd->edmac_endian; 22944923576b8ac5bfd36ab2beb176aeb747aaab7e41Yoshihiro Shimoda mdp->no_ether_link = pd->no_ether_link; 22954923576b8ac5bfd36ab2beb176aeb747aaab7e41Yoshihiro Shimoda mdp->ether_link_active_low = pd->ether_link_active_low; 22964a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda mdp->reg_offset = sh_eth_get_register_offset(pd->register_type); 229786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 2298380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda /* set cpu data */ 22998fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda#if defined(SH_ETH_HAS_BOTH_MODULES) 23008fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda mdp->cd = sh_eth_get_cpu_data(mdp); 23018fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda#else 2302380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda mdp->cd = &sh_eth_my_cpu_data; 23038fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda#endif 2304380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda sh_eth_set_default_cpu_data(mdp->cd); 2305380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 230686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* set function */ 2307ebf84eaa927be41a440fd4c8f81e1844922bc0b2Alexander Beregalov ndev->netdev_ops = &sh_eth_netdev_ops; 2308dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu SET_ETHTOOL_OPS(ndev, &sh_eth_ethtool_ops); 230986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ndev->watchdog_timeo = TX_TIMEOUT; 231086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 2311dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu /* debug message level */ 2312dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu mdp->msg_enable = SH_ETH_DEF_MSG_ENABLE; 231386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->post_rx = POST_RX >> (devno << 1); 231486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->post_fw = POST_FW >> (devno << 1); 231586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 231686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* read and set MAC address */ 2317748031f9fd2c06b28817d80761a5de97190cfd03Magnus Damm read_mac_address(ndev, pd->mac_addr); 231886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 23196ba88021c36516c26c11eff8c6d7d9a045faecd3Yoshihiro Shimoda /* ioremap the TSU registers */ 23206ba88021c36516c26c11eff8c6d7d9a045faecd3Yoshihiro Shimoda if (mdp->cd->tsu) { 23216ba88021c36516c26c11eff8c6d7d9a045faecd3Yoshihiro Shimoda struct resource *rtsu; 23226ba88021c36516c26c11eff8c6d7d9a045faecd3Yoshihiro Shimoda rtsu = platform_get_resource(pdev, IORESOURCE_MEM, 1); 23236ba88021c36516c26c11eff8c6d7d9a045faecd3Yoshihiro Shimoda if (!rtsu) { 23246ba88021c36516c26c11eff8c6d7d9a045faecd3Yoshihiro Shimoda dev_err(&pdev->dev, "Not found TSU resource\n"); 23256ba88021c36516c26c11eff8c6d7d9a045faecd3Yoshihiro Shimoda goto out_release; 23266ba88021c36516c26c11eff8c6d7d9a045faecd3Yoshihiro Shimoda } 23276ba88021c36516c26c11eff8c6d7d9a045faecd3Yoshihiro Shimoda mdp->tsu_addr = ioremap(rtsu->start, 23286ba88021c36516c26c11eff8c6d7d9a045faecd3Yoshihiro Shimoda resource_size(rtsu)); 23296743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda mdp->port = devno % 2; 233071cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda ndev->features = NETIF_F_HW_VLAN_FILTER; 23316ba88021c36516c26c11eff8c6d7d9a045faecd3Yoshihiro Shimoda } 23326ba88021c36516c26c11eff8c6d7d9a045faecd3Yoshihiro Shimoda 2333150647fb2c313d7c5184fca3fa0829a4a7d6f7bcYoshihiro Shimoda /* initialize first or needed device */ 2334150647fb2c313d7c5184fca3fa0829a4a7d6f7bcYoshihiro Shimoda if (!devno || pd->needs_init) { 2335380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (mdp->cd->chip_reset) 2336380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda mdp->cd->chip_reset(ndev); 233786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 23384986b996882d82c68ab54b822d7cfdd7dd35f19aYoshihiro Shimoda if (mdp->cd->tsu) { 23394986b996882d82c68ab54b822d7cfdd7dd35f19aYoshihiro Shimoda /* TSU init (Init only)*/ 23404986b996882d82c68ab54b822d7cfdd7dd35f19aYoshihiro Shimoda sh_eth_tsu_init(mdp); 23414986b996882d82c68ab54b822d7cfdd7dd35f19aYoshihiro Shimoda } 234286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 234386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 234486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* network device register */ 234586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ret = register_netdev(ndev); 234686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (ret) 234786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu goto out_release; 234886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 234986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* mdio bus init */ 2350b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda ret = sh_mdio_init(ndev, pdev->id, pd); 235186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (ret) 235286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu goto out_unregister; 235386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 235425985edcedea6396277003854657b5f3cb31a628Lucas De Marchi /* print device information */ 23556cd9b49d7328c4656bfc17fcb47fb814955d40d2H Hartley Sweeten pr_info("Base address at 0x%x, %pM, IRQ %d.\n", 23566cd9b49d7328c4656bfc17fcb47fb814955d40d2H Hartley Sweeten (u32)ndev->base_addr, ndev->dev_addr, ndev->irq); 235786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 235886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu platform_set_drvdata(pdev, ndev); 235986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 236086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return ret; 236186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 236286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsuout_unregister: 236386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu unregister_netdev(ndev); 236486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 236586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsuout_release: 236686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* net_dev free */ 2367ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda if (mdp && mdp->addr) 2368ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda iounmap(mdp->addr); 2369ec0d75518cb06261f1823fa2713fe52b9b26455eKuninori Morimoto if (mdp && mdp->tsu_addr) 23704986b996882d82c68ab54b822d7cfdd7dd35f19aYoshihiro Shimoda iounmap(mdp->tsu_addr); 237186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (ndev) 237286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu free_netdev(ndev); 237386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 237486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsuout: 237586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return ret; 237686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 237786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 237886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic int sh_eth_drv_remove(struct platform_device *pdev) 237986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 238086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct net_device *ndev = platform_get_drvdata(pdev); 23814986b996882d82c68ab54b822d7cfdd7dd35f19aYoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 238286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 23836ba88021c36516c26c11eff8c6d7d9a045faecd3Yoshihiro Shimoda if (mdp->cd->tsu) 23846ba88021c36516c26c11eff8c6d7d9a045faecd3Yoshihiro Shimoda iounmap(mdp->tsu_addr); 238586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu sh_mdio_release(ndev); 238686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu unregister_netdev(ndev); 2387bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm pm_runtime_disable(&pdev->dev); 2388ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda iounmap(mdp->addr); 238986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu free_netdev(ndev); 239086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu platform_set_drvdata(pdev, NULL); 239186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 239286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return 0; 239386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 239486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 2395bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Dammstatic int sh_eth_runtime_nop(struct device *dev) 2396bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm{ 2397bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm /* 2398bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm * Runtime PM callback shared between ->runtime_suspend() 2399bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm * and ->runtime_resume(). Simply returns success. 2400bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm * 2401bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm * This driver re-initializes all registers after 2402bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm * pm_runtime_get_sync() anyway so there is no need 2403bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm * to save and restore registers here. 2404bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm */ 2405bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm return 0; 2406bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm} 2407bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm 2408bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Dammstatic struct dev_pm_ops sh_eth_dev_pm_ops = { 2409bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm .runtime_suspend = sh_eth_runtime_nop, 2410bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm .runtime_resume = sh_eth_runtime_nop, 2411bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm}; 2412bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm 241386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic struct platform_driver sh_eth_driver = { 241486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu .probe = sh_eth_drv_probe, 241586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu .remove = sh_eth_drv_remove, 241686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu .driver = { 241786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu .name = CARDNAME, 2418bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm .pm = &sh_eth_dev_pm_ops, 241986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu }, 242086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu}; 242186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 2422db62f684deeb291ab2533b99843d5df9a36b1f19Axel Linmodule_platform_driver(sh_eth_driver); 242386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 242486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro IwamatsuMODULE_AUTHOR("Nobuhiro Iwamatsu, Yoshihiro Shimoda"); 242586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro IwamatsuMODULE_DESCRIPTION("Renesas SuperH Ethernet driver"); 242686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro IwamatsuMODULE_LICENSE("GPL v2"); 2427