sh_eth.c revision f0e81fecd4f83de7854262c8a6b3af19dfa99bf9
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 389380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda#elif defined(CONFIG_CPU_SUBTYPE_SH7619) 390380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda#define SH_ETH_RESET_DEFAULT 1 391380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimodastatic struct sh_eth_cpu_data sh_eth_my_cpu_data = { 392380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .eesipr_value = DMAC_M_RFRMER | DMAC_M_ECI | 0x003fffff, 393380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 394380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .apr = 1, 395380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .mpr = 1, 396380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .tpauser = 1, 397380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .hw_swap = 1, 398380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda}; 399380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda#elif defined(CONFIG_CPU_SUBTYPE_SH7710) || defined(CONFIG_CPU_SUBTYPE_SH7712) 400380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda#define SH_ETH_RESET_DEFAULT 1 401380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda#define SH_ETH_HAS_TSU 1 402380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimodastatic struct sh_eth_cpu_data sh_eth_my_cpu_data = { 403380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .eesipr_value = DMAC_M_RFRMER | DMAC_M_ECI | 0x003fffff, 4044986b996882d82c68ab54b822d7cfdd7dd35f19aYoshihiro Shimoda .tsu = 1, 405380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda}; 406380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda#endif 407380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 408380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimodastatic void sh_eth_set_default_cpu_data(struct sh_eth_cpu_data *cd) 409380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda{ 410380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (!cd->ecsr_value) 411380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda cd->ecsr_value = DEFAULT_ECSR_INIT; 412380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 413380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (!cd->ecsipr_value) 414380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda cd->ecsipr_value = DEFAULT_ECSIPR_INIT; 415380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 416380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (!cd->fcftr_value) 417380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda cd->fcftr_value = DEFAULT_FIFO_F_D_RFF | \ 418380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda DEFAULT_FIFO_F_D_RFD; 419380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 420380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (!cd->fdr_value) 421380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda cd->fdr_value = DEFAULT_FDR_INIT; 422380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 423380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (!cd->rmcr_value) 424380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda cd->rmcr_value = DEFAULT_RMCR_VALUE; 425380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 426380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (!cd->tx_check) 427380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda cd->tx_check = DEFAULT_TX_CHECK; 428380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 429380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (!cd->eesr_err_check) 430380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda cd->eesr_err_check = DEFAULT_EESR_ERR_CHECK; 431380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 432380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (!cd->tx_error_check) 433380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda cd->tx_error_check = DEFAULT_TX_ERROR_CHECK; 434380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda} 435380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 436380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda#if defined(SH_ETH_RESET_DEFAULT) 437380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda/* Chip Reset */ 438380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimodastatic void sh_eth_reset(struct net_device *ndev) 439380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda{ 440c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, EDMR) | EDMR_SRST_ETHER, EDMR); 441380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda mdelay(3); 442c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, EDMR) & ~EDMR_SRST_ETHER, EDMR); 443380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda} 444380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda#endif 445380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 446380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda#if defined(CONFIG_CPU_SH4) 447380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimodastatic void sh_eth_set_receive_align(struct sk_buff *skb) 448380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda{ 449380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda int reserve; 450380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 451380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda reserve = SH4_SKB_RX_ALIGN - ((u32)skb->data & (SH4_SKB_RX_ALIGN - 1)); 452380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (reserve) 453380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda skb_reserve(skb, reserve); 454380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda} 455380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda#else 456380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimodastatic void sh_eth_set_receive_align(struct sk_buff *skb) 457380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda{ 458380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda skb_reserve(skb, SH2_SH3_SKB_RX_ALIGN); 459380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda} 460380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda#endif 461380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 462380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 46371557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato/* CPU <-> EDMAC endian convert */ 46471557a37adb5df17631c493b3b7d912938c720b2Yoshinori Satostatic inline __u32 cpu_to_edmac(struct sh_eth_private *mdp, u32 x) 46571557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato{ 46671557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato switch (mdp->edmac_endian) { 46771557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato case EDMAC_LITTLE_ENDIAN: 46871557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato return cpu_to_le32(x); 46971557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato case EDMAC_BIG_ENDIAN: 47071557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato return cpu_to_be32(x); 47171557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato } 47271557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato return x; 47371557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato} 47471557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato 47571557a37adb5df17631c493b3b7d912938c720b2Yoshinori Satostatic inline __u32 edmac_to_cpu(struct sh_eth_private *mdp, u32 x) 47671557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato{ 47771557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato switch (mdp->edmac_endian) { 47871557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato case EDMAC_LITTLE_ENDIAN: 47971557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato return le32_to_cpu(x); 48071557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato case EDMAC_BIG_ENDIAN: 48171557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato return be32_to_cpu(x); 48271557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato } 48371557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato return x; 48471557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato} 48571557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato 48686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* 48786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * Program the hardware MAC address from dev->dev_addr. 48886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu */ 48986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic void update_mac_address(struct net_device *ndev) 49086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 4914a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 4924a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda (ndev->dev_addr[0] << 24) | (ndev->dev_addr[1] << 16) | 4934a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda (ndev->dev_addr[2] << 8) | (ndev->dev_addr[3]), MAHR); 4944a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 4954a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda (ndev->dev_addr[4] << 8) | (ndev->dev_addr[5]), MALR); 49686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 49786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 49886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* 49986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * Get MAC address from SuperH MAC address register 50086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * 50186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * SuperH's Ethernet device doesn't have 'ROM' to MAC address. 50286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * This driver get MAC address that use by bootloader(U-boot or sh-ipl+g). 50386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * When you want use this device, you must set MAC address in bootloader. 50486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * 50586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu */ 506748031f9fd2c06b28817d80761a5de97190cfd03Magnus Dammstatic void read_mac_address(struct net_device *ndev, unsigned char *mac) 50786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 508748031f9fd2c06b28817d80761a5de97190cfd03Magnus Damm if (mac[0] || mac[1] || mac[2] || mac[3] || mac[4] || mac[5]) { 509748031f9fd2c06b28817d80761a5de97190cfd03Magnus Damm memcpy(ndev->dev_addr, mac, 6); 510748031f9fd2c06b28817d80761a5de97190cfd03Magnus Damm } else { 5114a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda ndev->dev_addr[0] = (sh_eth_read(ndev, MAHR) >> 24); 5124a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda ndev->dev_addr[1] = (sh_eth_read(ndev, MAHR) >> 16) & 0xFF; 5134a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda ndev->dev_addr[2] = (sh_eth_read(ndev, MAHR) >> 8) & 0xFF; 5144a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda ndev->dev_addr[3] = (sh_eth_read(ndev, MAHR) & 0xFF); 5154a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda ndev->dev_addr[4] = (sh_eth_read(ndev, MALR) >> 8) & 0xFF; 5164a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda ndev->dev_addr[5] = (sh_eth_read(ndev, MALR) & 0xFF); 517748031f9fd2c06b28817d80761a5de97190cfd03Magnus Damm } 51886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 51986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 520c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimodastatic int sh_eth_is_gether(struct sh_eth_private *mdp) 521c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda{ 522c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda if (mdp->reg_offset == sh_eth_offset_gigabit) 523c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda return 1; 524c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda else 525c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda return 0; 526c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda} 527c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda 528c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimodastatic unsigned long sh_eth_get_edtrr_trns(struct sh_eth_private *mdp) 529c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda{ 530c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda if (sh_eth_is_gether(mdp)) 531c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda return EDTRR_TRNS_GETHER; 532c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda else 533c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda return EDTRR_TRNS_ETHER; 534c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda} 535c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda 53686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustruct bb_info { 537ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda void (*set_gate)(void *addr); 53886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct mdiobb_ctrl ctrl; 539ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda void *addr; 54086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu u32 mmd_msk;/* MMD */ 54186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu u32 mdo_msk; 54286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu u32 mdi_msk; 54386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu u32 mdc_msk; 54486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu}; 54586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 54686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* PHY bit set */ 547ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimodastatic void bb_set(void *addr, u32 msk) 54886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 549ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda iowrite32(ioread32(addr) | msk, addr); 55086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 55186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 55286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* PHY bit clear */ 553ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimodastatic void bb_clr(void *addr, u32 msk) 55486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 555ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda iowrite32((ioread32(addr) & ~msk), addr); 55686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 55786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 55886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* PHY bit read */ 559ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimodastatic int bb_read(void *addr, u32 msk) 56086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 561ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda return (ioread32(addr) & msk) != 0; 56286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 56386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 56486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* Data I/O pin control */ 56586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic void sh_mmd_ctrl(struct mdiobb_ctrl *ctrl, int bit) 56686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 56786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct bb_info *bitbang = container_of(ctrl, struct bb_info, ctrl); 568b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda 569b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda if (bitbang->set_gate) 570b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda bitbang->set_gate(bitbang->addr); 571b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda 57286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (bit) 57386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu bb_set(bitbang->addr, bitbang->mmd_msk); 57486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu else 57586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu bb_clr(bitbang->addr, bitbang->mmd_msk); 57686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 57786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 57886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* Set bit data*/ 57986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic void sh_set_mdio(struct mdiobb_ctrl *ctrl, int bit) 58086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 58186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct bb_info *bitbang = container_of(ctrl, struct bb_info, ctrl); 58286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 583b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda if (bitbang->set_gate) 584b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda bitbang->set_gate(bitbang->addr); 585b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda 58686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (bit) 58786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu bb_set(bitbang->addr, bitbang->mdo_msk); 58886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu else 58986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu bb_clr(bitbang->addr, bitbang->mdo_msk); 59086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 59186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 59286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* Get bit data*/ 59386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic int sh_get_mdio(struct mdiobb_ctrl *ctrl) 59486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 59586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct bb_info *bitbang = container_of(ctrl, struct bb_info, ctrl); 596b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda 597b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda if (bitbang->set_gate) 598b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda bitbang->set_gate(bitbang->addr); 599b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda 60086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return bb_read(bitbang->addr, bitbang->mdi_msk); 60186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 60286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 60386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* MDC pin control */ 60486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic void sh_mdc_ctrl(struct mdiobb_ctrl *ctrl, int bit) 60586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 60686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct bb_info *bitbang = container_of(ctrl, struct bb_info, ctrl); 60786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 608b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda if (bitbang->set_gate) 609b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda bitbang->set_gate(bitbang->addr); 610b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda 61186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (bit) 61286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu bb_set(bitbang->addr, bitbang->mdc_msk); 61386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu else 61486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu bb_clr(bitbang->addr, bitbang->mdc_msk); 61586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 61686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 61786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* mdio bus control struct */ 61886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic struct mdiobb_ops bb_ops = { 61986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu .owner = THIS_MODULE, 62086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu .set_mdc = sh_mdc_ctrl, 62186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu .set_mdio_dir = sh_mmd_ctrl, 62286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu .set_mdio_data = sh_set_mdio, 62386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu .get_mdio_data = sh_get_mdio, 62486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu}; 62586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 62686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* free skb and descriptor buffer */ 62786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic void sh_eth_ring_free(struct net_device *ndev) 62886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 62986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 63086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu int i; 63186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 63286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Free Rx skb ringbuffer */ 63386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (mdp->rx_skbuff) { 63486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu for (i = 0; i < RX_RING_SIZE; i++) { 63586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (mdp->rx_skbuff[i]) 63686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu dev_kfree_skb(mdp->rx_skbuff[i]); 63786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 63886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 63986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu kfree(mdp->rx_skbuff); 64086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 64186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Free Tx skb ringbuffer */ 64286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (mdp->tx_skbuff) { 64386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu for (i = 0; i < TX_RING_SIZE; i++) { 64486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (mdp->tx_skbuff[i]) 64586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu dev_kfree_skb(mdp->tx_skbuff[i]); 64686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 64786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 64886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu kfree(mdp->tx_skbuff); 64986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 65086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 65186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* format skb and descriptor buffer */ 65286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic void sh_eth_ring_format(struct net_device *ndev) 65386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 65486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 65586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu int i; 65686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sk_buff *skb; 65786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_rxdesc *rxdesc = NULL; 65886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_txdesc *txdesc = NULL; 65986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu int rx_ringsize = sizeof(*rxdesc) * RX_RING_SIZE; 66086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu int tx_ringsize = sizeof(*txdesc) * TX_RING_SIZE; 66186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 66286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->cur_rx = mdp->cur_tx = 0; 66386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->dirty_rx = mdp->dirty_tx = 0; 66486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 66586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu memset(mdp->rx_ring, 0, rx_ringsize); 66686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 66786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* build Rx ring buffer */ 66886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu for (i = 0; i < RX_RING_SIZE; i++) { 66986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* skb */ 67086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->rx_skbuff[i] = NULL; 671dae2e9f430c46c29e3f771110094bd3da3625aa4Pradeep A. Dalvi skb = netdev_alloc_skb(ndev, mdp->rx_buf_sz); 67286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->rx_skbuff[i] = skb; 67386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (skb == NULL) 67486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu break; 675bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet dma_map_single(&ndev->dev, skb->data, mdp->rx_buf_sz, 676e88aae7bb1dc50457489d1d7c81dcf4db23ccf94Yoshihiro Shimoda DMA_FROM_DEVICE); 677380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda sh_eth_set_receive_align(skb); 678380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 67986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* RX descriptor */ 68086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu rxdesc = &mdp->rx_ring[i]; 6810029d64af5d72049e2170e4609fa83bd1f3f07cdYoshihiro Shimoda rxdesc->addr = virt_to_phys(PTR_ALIGN(skb->data, 4)); 68271557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato rxdesc->status = cpu_to_edmac(mdp, RD_RACT | RD_RFP); 68386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 68486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* The size of the buffer is 16 byte boundary. */ 6850029d64af5d72049e2170e4609fa83bd1f3f07cdYoshihiro Shimoda rxdesc->buffer_length = ALIGN(mdp->rx_buf_sz, 16); 686b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu /* Rx descriptor address set */ 687b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu if (i == 0) { 6884a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, mdp->rx_desc_dma, RDLAR); 689c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda if (sh_eth_is_gether(mdp)) 690c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda sh_eth_write(ndev, mdp->rx_desc_dma, RDFAR); 691b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu } 69286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 69386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 69486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->dirty_rx = (u32) (i - RX_RING_SIZE); 69586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 69686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Mark the last entry as wrapping the ring. */ 69771557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato rxdesc->status |= cpu_to_edmac(mdp, RD_RDEL); 69886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 69986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu memset(mdp->tx_ring, 0, tx_ringsize); 70086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 70186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* build Tx ring buffer */ 70286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu for (i = 0; i < TX_RING_SIZE; i++) { 70386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->tx_skbuff[i] = NULL; 70486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu txdesc = &mdp->tx_ring[i]; 70571557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato txdesc->status = cpu_to_edmac(mdp, TD_TFP); 70686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu txdesc->buffer_length = 0; 707b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu if (i == 0) { 70871557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato /* Tx descriptor address set */ 7094a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, mdp->tx_desc_dma, TDLAR); 710c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda if (sh_eth_is_gether(mdp)) 711c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda sh_eth_write(ndev, mdp->tx_desc_dma, TDFAR); 712b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu } 71386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 71486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 71571557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato txdesc->status |= cpu_to_edmac(mdp, TD_TDLE); 71686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 71786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 71886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* Get skb and descriptor buffer */ 71986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic int sh_eth_ring_init(struct net_device *ndev) 72086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 72186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 72286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu int rx_ringsize, tx_ringsize, ret = 0; 72386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 72486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* 72586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * +26 gets the maximum ethernet encapsulation, +7 & ~7 because the 72686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * card needs room to do 8 byte alignment, +2 so we can reserve 72786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * the first 2 bytes, and +16 gets room for the status word from the 72886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * card. 72986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu */ 73086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->rx_buf_sz = (ndev->mtu <= 1492 ? PKT_BUF_SZ : 73186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu (((ndev->mtu + 26 + 7) & ~7) + 2 + 16)); 732503914cf4a4b5dbe3f844e0a92f412ae99fde70eMagnus Damm if (mdp->cd->rpadir) 733503914cf4a4b5dbe3f844e0a92f412ae99fde70eMagnus Damm mdp->rx_buf_sz += NET_IP_ALIGN; 73486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 73586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Allocate RX and TX skb rings */ 73686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->rx_skbuff = kmalloc(sizeof(*mdp->rx_skbuff) * RX_RING_SIZE, 73786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu GFP_KERNEL); 73886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (!mdp->rx_skbuff) { 739380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda dev_err(&ndev->dev, "Cannot allocate Rx skb\n"); 74086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ret = -ENOMEM; 74186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return ret; 74286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 74386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 74486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->tx_skbuff = kmalloc(sizeof(*mdp->tx_skbuff) * TX_RING_SIZE, 74586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu GFP_KERNEL); 74686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (!mdp->tx_skbuff) { 747380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda dev_err(&ndev->dev, "Cannot allocate Tx skb\n"); 74886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ret = -ENOMEM; 74986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu goto skb_ring_free; 75086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 75186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 75286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Allocate all Rx descriptors. */ 75386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu rx_ringsize = sizeof(struct sh_eth_rxdesc) * RX_RING_SIZE; 75486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->rx_ring = dma_alloc_coherent(NULL, rx_ringsize, &mdp->rx_desc_dma, 75586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu GFP_KERNEL); 75686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 75786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (!mdp->rx_ring) { 758380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda dev_err(&ndev->dev, "Cannot allocate Rx Ring (size %d bytes)\n", 759380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda rx_ringsize); 76086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ret = -ENOMEM; 76186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu goto desc_ring_free; 76286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 76386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 76486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->dirty_rx = 0; 76586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 76686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Allocate all Tx descriptors. */ 76786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu tx_ringsize = sizeof(struct sh_eth_txdesc) * TX_RING_SIZE; 76886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->tx_ring = dma_alloc_coherent(NULL, tx_ringsize, &mdp->tx_desc_dma, 76986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu GFP_KERNEL); 77086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (!mdp->tx_ring) { 771380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda dev_err(&ndev->dev, "Cannot allocate Tx Ring (size %d bytes)\n", 772380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda tx_ringsize); 77386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ret = -ENOMEM; 77486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu goto desc_ring_free; 77586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 77686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return ret; 77786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 77886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsudesc_ring_free: 77986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* free DMA buffer */ 78086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu dma_free_coherent(NULL, rx_ringsize, mdp->rx_ring, mdp->rx_desc_dma); 78186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 78286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsuskb_ring_free: 78386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Free Rx and Tx skb ring buffer */ 78486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu sh_eth_ring_free(ndev); 78586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 78686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return ret; 78786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 78886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 78986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic int sh_eth_dev_init(struct net_device *ndev) 79086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 79186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu int ret = 0; 79286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 79386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu u_int32_t rx_int_var, tx_int_var; 79486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu u32 val; 79586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 79686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Soft Reset */ 79786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu sh_eth_reset(ndev); 79886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 799b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu /* Descriptor format */ 800b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu sh_eth_ring_format(ndev); 801380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (mdp->cd->rpadir) 8024a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, mdp->cd->rpadir_value, RPADIR); 80386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 80486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* all sh_eth int mask */ 8054a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 0, EESIPR); 80686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 807380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda#if defined(__LITTLE_ENDIAN__) 808380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (mdp->cd->hw_swap) 8094a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, EDMR_EL, EDMR); 810380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda else 811b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu#endif 8124a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 0, EDMR); 81386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 814b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu /* FIFO size set */ 8154a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, mdp->cd->fdr_value, FDR); 8164a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 0, TFTR); 81786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 818b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu /* Frame recv control */ 8194a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, mdp->cd->rmcr_value, RMCR); 82086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 82186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu rx_int_var = mdp->rx_int_var = DESC_I_RINT8 | DESC_I_RINT5; 82286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu tx_int_var = mdp->tx_int_var = DESC_I_TINT2; 8234a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, rx_int_var | tx_int_var, TRSCER); 82486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 825380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (mdp->cd->bculr) 8264a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 0x800, BCULR); /* Burst sycle set */ 827b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu 8284a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, mdp->cd->fcftr_value, FCFTR); 82986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 830380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (!mdp->cd->no_trimd) 8314a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 0, TRIMD); 83286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 833b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu /* Recv frame limit set register */ 834fdb37a7f84a58ccad24abffd54ad46d23b763e13Yoshihiro Shimoda sh_eth_write(ndev, ndev->mtu + ETH_HLEN + VLAN_HLEN + ETH_FCS_LEN, 835fdb37a7f84a58ccad24abffd54ad46d23b763e13Yoshihiro Shimoda RFLR); 83686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 8374a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, EESR), EESR); 8384a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, mdp->cd->eesipr_value, EESIPR); 83986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 84086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* PAUSE Prohibition */ 8414a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda val = (sh_eth_read(ndev, ECMR) & ECMR_DM) | 84286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ECMR_ZPF | (mdp->duplex ? ECMR_DM : 0) | ECMR_TE | ECMR_RE; 84386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 8444a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, val, ECMR); 845b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu 846380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (mdp->cd->set_rate) 847380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda mdp->cd->set_rate(ndev); 848380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 849b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu /* E-MAC Status Register clear */ 8504a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, mdp->cd->ecsr_value, ECSR); 851b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu 852b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu /* E-MAC Interrupt Enable register */ 8534a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, mdp->cd->ecsipr_value, ECSIPR); 85486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 85586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Set MAC address */ 85686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu update_mac_address(ndev); 85786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 85886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* mask reset */ 859380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (mdp->cd->apr) 8604a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, APR_AP, APR); 861380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (mdp->cd->mpr) 8624a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, MPR_MP, MPR); 863380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (mdp->cd->tpauser) 8644a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, TPAUSER_UNLIMITED, TPAUSER); 865b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu 86686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Setting the Rx mode will start the Rx process. */ 8674a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, EDRRR_R, EDRRR); 86886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 86986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu netif_start_queue(ndev); 87086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 87186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return ret; 87286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 87386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 87486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* free Tx skb function */ 87586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic int sh_eth_txfree(struct net_device *ndev) 87686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 87786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 87886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_txdesc *txdesc; 87986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu int freeNum = 0; 88086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu int entry = 0; 88186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 88286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu for (; mdp->cur_tx - mdp->dirty_tx > 0; mdp->dirty_tx++) { 88386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu entry = mdp->dirty_tx % TX_RING_SIZE; 88486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu txdesc = &mdp->tx_ring[entry]; 88571557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato if (txdesc->status & cpu_to_edmac(mdp, TD_TACT)) 88686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu break; 88786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Free the original skb. */ 88886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (mdp->tx_skbuff[entry]) { 88931fcb99d9958bdf04e84224e202f69e6cdac893bYoshihiro Shimoda dma_unmap_single(&ndev->dev, txdesc->addr, 89031fcb99d9958bdf04e84224e202f69e6cdac893bYoshihiro Shimoda txdesc->buffer_length, DMA_TO_DEVICE); 89186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu dev_kfree_skb_irq(mdp->tx_skbuff[entry]); 89286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->tx_skbuff[entry] = NULL; 89386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu freeNum++; 89486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 89571557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato txdesc->status = cpu_to_edmac(mdp, TD_TFP); 89686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (entry >= TX_RING_SIZE - 1) 89771557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato txdesc->status |= cpu_to_edmac(mdp, TD_TDLE); 89886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 899bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.tx_packets++; 900bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.tx_bytes += txdesc->buffer_length; 90186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 90286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return freeNum; 90386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 90486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 90586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* Packet receive function */ 90686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic int sh_eth_rx(struct net_device *ndev) 90786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 90886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 90986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_rxdesc *rxdesc; 91086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 91186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu int entry = mdp->cur_rx % RX_RING_SIZE; 91286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu int boguscnt = (mdp->dirty_rx + RX_RING_SIZE) - mdp->cur_rx; 91386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sk_buff *skb; 91486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu u16 pkt_len = 0; 915380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda u32 desc_status; 91686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 91786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu rxdesc = &mdp->rx_ring[entry]; 91871557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato while (!(rxdesc->status & cpu_to_edmac(mdp, RD_RACT))) { 91971557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato desc_status = edmac_to_cpu(mdp, rxdesc->status); 92086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu pkt_len = rxdesc->frame_length; 92186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 92286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (--boguscnt < 0) 92386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu break; 92486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 92586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (!(desc_status & RDFEND)) 926bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.rx_length_errors++; 92786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 92886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (desc_status & (RD_RFS1 | RD_RFS2 | RD_RFS3 | RD_RFS4 | 92986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu RD_RFS5 | RD_RFS6 | RD_RFS10)) { 930bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.rx_errors++; 93186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (desc_status & RD_RFS1) 932bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.rx_crc_errors++; 93386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (desc_status & RD_RFS2) 934bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.rx_frame_errors++; 93586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (desc_status & RD_RFS3) 936bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.rx_length_errors++; 93786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (desc_status & RD_RFS4) 938bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.rx_length_errors++; 93986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (desc_status & RD_RFS6) 940bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.rx_missed_errors++; 94186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (desc_status & RD_RFS10) 942bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.rx_over_errors++; 94386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } else { 944380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (!mdp->cd->hw_swap) 945380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda sh_eth_soft_swap( 946380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda phys_to_virt(ALIGN(rxdesc->addr, 4)), 947380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda pkt_len + 2); 94886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu skb = mdp->rx_skbuff[entry]; 94986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->rx_skbuff[entry] = NULL; 950503914cf4a4b5dbe3f844e0a92f412ae99fde70eMagnus Damm if (mdp->cd->rpadir) 951503914cf4a4b5dbe3f844e0a92f412ae99fde70eMagnus Damm skb_reserve(skb, NET_IP_ALIGN); 95286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu skb_put(skb, pkt_len); 95386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu skb->protocol = eth_type_trans(skb, ndev); 95486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu netif_rx(skb); 955bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.rx_packets++; 956bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.rx_bytes += pkt_len; 95786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 95871557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato rxdesc->status |= cpu_to_edmac(mdp, RD_RACT); 95986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu entry = (++mdp->cur_rx) % RX_RING_SIZE; 960862df49750e7ca9369c04d8d8105b3cc5d976e0dYoshihiro Shimoda rxdesc = &mdp->rx_ring[entry]; 96186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 96286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 96386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Refill the Rx ring buffers. */ 96486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu for (; mdp->cur_rx - mdp->dirty_rx > 0; mdp->dirty_rx++) { 96586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu entry = mdp->dirty_rx % RX_RING_SIZE; 96686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu rxdesc = &mdp->rx_ring[entry]; 967b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu /* The size of the buffer is 16 byte boundary. */ 9680029d64af5d72049e2170e4609fa83bd1f3f07cdYoshihiro Shimoda rxdesc->buffer_length = ALIGN(mdp->rx_buf_sz, 16); 969b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu 97086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (mdp->rx_skbuff[entry] == NULL) { 971dae2e9f430c46c29e3f771110094bd3da3625aa4Pradeep A. Dalvi skb = netdev_alloc_skb(ndev, mdp->rx_buf_sz); 97286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->rx_skbuff[entry] = skb; 97386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (skb == NULL) 97486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu break; /* Better luck next round. */ 975bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet dma_map_single(&ndev->dev, skb->data, mdp->rx_buf_sz, 976e88aae7bb1dc50457489d1d7c81dcf4db23ccf94Yoshihiro Shimoda DMA_FROM_DEVICE); 977380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda sh_eth_set_receive_align(skb); 978380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 979bc8acf2c8c3e43fcc192762a9f964b3e9a17748bEric Dumazet skb_checksum_none_assert(skb); 9800029d64af5d72049e2170e4609fa83bd1f3f07cdYoshihiro Shimoda rxdesc->addr = virt_to_phys(PTR_ALIGN(skb->data, 4)); 98186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 98286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (entry >= RX_RING_SIZE - 1) 98386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu rxdesc->status |= 98471557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato cpu_to_edmac(mdp, RD_RACT | RD_RFP | RD_RDEL); 98586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu else 98686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu rxdesc->status |= 98771557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato cpu_to_edmac(mdp, RD_RACT | RD_RFP); 98886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 98986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 99086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Restart Rx engine if stopped. */ 99186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* If we don't need to check status, don't. -KDU */ 9924a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda if (!(sh_eth_read(ndev, EDRRR) & EDRRR_R)) 9934a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, EDRRR_R, EDRRR); 99486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 99586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return 0; 99686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 99786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 9984a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimodastatic void sh_eth_rcv_snd_disable(struct net_device *ndev) 999dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu{ 1000dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu /* disable tx and rx */ 10014a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, ECMR) & 10024a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda ~(ECMR_RE | ECMR_TE), ECMR); 1003dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu} 1004dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 10054a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimodastatic void sh_eth_rcv_snd_enable(struct net_device *ndev) 1006dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu{ 1007dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu /* enable tx and rx */ 10084a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, ECMR) | 10094a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda (ECMR_RE | ECMR_TE), ECMR); 1010dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu} 1011dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 101286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* error control function */ 101386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic void sh_eth_error(struct net_device *ndev, int intr_status) 101486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 101586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 101686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu u32 felic_stat; 1017380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda u32 link_stat; 1018380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda u32 mask; 101986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 102086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (intr_status & EESR_ECI) { 10214a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda felic_stat = sh_eth_read(ndev, ECSR); 10224a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, felic_stat, ECSR); /* clear int */ 102386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (felic_stat & ECSR_ICD) 1024bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.tx_carrier_errors++; 102586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (felic_stat & ECSR_LCHNG) { 102686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Link Changed */ 10274923576b8ac5bfd36ab2beb176aeb747aaab7e41Yoshihiro Shimoda if (mdp->cd->no_psr || mdp->no_ether_link) { 1028380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (mdp->link == PHY_DOWN) 1029380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda link_stat = 0; 1030380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda else 1031380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda link_stat = PHY_ST_LINK; 1032380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda } else { 10334a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda link_stat = (sh_eth_read(ndev, PSR)); 10344923576b8ac5bfd36ab2beb176aeb747aaab7e41Yoshihiro Shimoda if (mdp->ether_link_active_low) 10354923576b8ac5bfd36ab2beb176aeb747aaab7e41Yoshihiro Shimoda link_stat = ~link_stat; 1036380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda } 1037dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (!(link_stat & PHY_ST_LINK)) 10384a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_rcv_snd_disable(ndev); 1039dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu else { 104086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Link Up */ 10414a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, EESIPR) & 10424a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda ~DMAC_M_ECI, EESIPR); 104386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /*clear int */ 10444a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, ECSR), 10454a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda ECSR); 10464a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, EESIPR) | 10474a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda DMAC_M_ECI, EESIPR); 104886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* enable tx and rx */ 10494a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_rcv_snd_enable(ndev); 105086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 105186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 105286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 105386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 105486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (intr_status & EESR_TWB) { 105586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Write buck end. unused write back interrupt */ 105686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (intr_status & EESR_TABT) /* Transmit Abort int */ 1057bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.tx_aborted_errors++; 1058dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (netif_msg_tx_err(mdp)) 1059dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu dev_err(&ndev->dev, "Transmit Abort\n"); 106086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 106186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 106286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (intr_status & EESR_RABT) { 106386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Receive Abort int */ 106486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (intr_status & EESR_RFRMER) { 106586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Receive Frame Overflow int */ 1066bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.rx_frame_errors++; 1067dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (netif_msg_rx_err(mdp)) 1068dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu dev_err(&ndev->dev, "Receive Abort\n"); 106986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 107086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 1071380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 1072dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (intr_status & EESR_TDE) { 1073dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu /* Transmit Descriptor Empty int */ 1074bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.tx_fifo_errors++; 1075dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (netif_msg_tx_err(mdp)) 1076dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu dev_err(&ndev->dev, "Transmit Descriptor Empty\n"); 1077dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu } 1078dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1079dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (intr_status & EESR_TFE) { 1080dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu /* FIFO under flow */ 1081bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.tx_fifo_errors++; 1082dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (netif_msg_tx_err(mdp)) 1083dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu dev_err(&ndev->dev, "Transmit FIFO Under flow\n"); 108486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 108586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 108686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (intr_status & EESR_RDE) { 108786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Receive Descriptor Empty int */ 1088bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.rx_over_errors++; 108986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 10904a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda if (sh_eth_read(ndev, EDRRR) ^ EDRRR_R) 10914a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, EDRRR_R, EDRRR); 1092dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (netif_msg_rx_err(mdp)) 1093dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu dev_err(&ndev->dev, "Receive Descriptor Empty\n"); 109486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 1095dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 109686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (intr_status & EESR_RFE) { 109786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Receive FIFO Overflow int */ 1098bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.rx_fifo_errors++; 1099dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (netif_msg_rx_err(mdp)) 1100dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu dev_err(&ndev->dev, "Receive FIFO Overflow\n"); 1101dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu } 1102dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1103dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (!mdp->cd->no_ade && (intr_status & EESR_ADE)) { 1104dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu /* Address Error */ 1105bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.tx_fifo_errors++; 1106dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (netif_msg_tx_err(mdp)) 1107dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu dev_err(&ndev->dev, "Address Error\n"); 110886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 1109380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 1110380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda mask = EESR_TWB | EESR_TABT | EESR_ADE | EESR_TDE | EESR_TFE; 1111380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (mdp->cd->no_ade) 1112380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda mask &= ~EESR_ADE; 1113380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (intr_status & mask) { 111486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Tx error */ 11154a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda u32 edtrr = sh_eth_read(ndev, EDTRR); 111686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* dmesg */ 1117380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda dev_err(&ndev->dev, "TX error. status=%8.8x cur_tx=%8.8x ", 1118380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda intr_status, mdp->cur_tx); 1119380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda dev_err(&ndev->dev, "dirty_tx=%8.8x state=%8.8x EDTRR=%8.8x.\n", 112086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->dirty_tx, (u32) ndev->state, edtrr); 112186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* dirty buffer free */ 112286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu sh_eth_txfree(ndev); 112386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 112486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* SH7712 BUG */ 1125c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda if (edtrr ^ sh_eth_get_edtrr_trns(mdp)) { 112686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* tx dma start */ 1127c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda sh_eth_write(ndev, sh_eth_get_edtrr_trns(mdp), EDTRR); 112886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 112986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* wakeup */ 113086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu netif_wake_queue(ndev); 113186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 113286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 113386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 113486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic irqreturn_t sh_eth_interrupt(int irq, void *netdev) 113586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 113686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct net_device *ndev = netdev; 113786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 1138380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda struct sh_eth_cpu_data *cd = mdp->cd; 11390e0fde3c8d65524b8dfd834332d6e4a92711a66aNobuhiro Iwamatsu irqreturn_t ret = IRQ_NONE; 11404a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda u32 intr_status = 0; 114186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 114286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu spin_lock(&mdp->lock); 114386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1144b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu /* Get interrpt stat */ 11454a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda intr_status = sh_eth_read(ndev, EESR); 114686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Clear interrupt */ 11470e0fde3c8d65524b8dfd834332d6e4a92711a66aNobuhiro Iwamatsu if (intr_status & (EESR_FRC | EESR_RMAF | EESR_RRF | 11480e0fde3c8d65524b8dfd834332d6e4a92711a66aNobuhiro Iwamatsu EESR_RTLF | EESR_RTSF | EESR_PRE | EESR_CERF | 1149380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda cd->tx_check | cd->eesr_err_check)) { 11504a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, intr_status, EESR); 11510e0fde3c8d65524b8dfd834332d6e4a92711a66aNobuhiro Iwamatsu ret = IRQ_HANDLED; 11520e0fde3c8d65524b8dfd834332d6e4a92711a66aNobuhiro Iwamatsu } else 11530e0fde3c8d65524b8dfd834332d6e4a92711a66aNobuhiro Iwamatsu goto other_irq; 115486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1155b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu if (intr_status & (EESR_FRC | /* Frame recv*/ 1156b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu EESR_RMAF | /* Multi cast address recv*/ 1157b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu EESR_RRF | /* Bit frame recv */ 1158b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu EESR_RTLF | /* Long frame recv*/ 1159b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu EESR_RTSF | /* short frame recv */ 1160b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu EESR_PRE | /* PHY-LSI recv error */ 1161b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu EESR_CERF)){ /* recv frame CRC error */ 116286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu sh_eth_rx(ndev); 1163b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu } 116486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1165b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu /* Tx Check */ 1166380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (intr_status & cd->tx_check) { 116786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu sh_eth_txfree(ndev); 116886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu netif_wake_queue(ndev); 116986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 117086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1171380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (intr_status & cd->eesr_err_check) 117286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu sh_eth_error(ndev, intr_status); 117386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 11740e0fde3c8d65524b8dfd834332d6e4a92711a66aNobuhiro Iwamatsuother_irq: 117586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu spin_unlock(&mdp->lock); 117686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 11770e0fde3c8d65524b8dfd834332d6e4a92711a66aNobuhiro Iwamatsu return ret; 117886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 117986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 118086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic void sh_eth_timer(unsigned long data) 118186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 118286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct net_device *ndev = (struct net_device *)data; 118386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 118486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 118586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mod_timer(&mdp->timer, jiffies + (10 * HZ)); 118686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 118786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 118886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* PHY state control function */ 118986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic void sh_eth_adjust_link(struct net_device *ndev) 119086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 119186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 119286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct phy_device *phydev = mdp->phydev; 119386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu int new_state = 0; 119486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 119586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (phydev->link != PHY_DOWN) { 119686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (phydev->duplex != mdp->duplex) { 119786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu new_state = 1; 119886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->duplex = phydev->duplex; 1199380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (mdp->cd->set_duplex) 1200380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda mdp->cd->set_duplex(ndev); 120186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 120286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 120386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (phydev->speed != mdp->speed) { 120486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu new_state = 1; 120586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->speed = phydev->speed; 1206380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (mdp->cd->set_rate) 1207380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda mdp->cd->set_rate(ndev); 120886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 120986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (mdp->link == PHY_DOWN) { 121091a5615203355bb34e0b9e68e94f27f24719a74cYoshihiro Shimoda sh_eth_write(ndev, 121191a5615203355bb34e0b9e68e94f27f24719a74cYoshihiro Shimoda (sh_eth_read(ndev, ECMR) & ~ECMR_TXF), ECMR); 121286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu new_state = 1; 121386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->link = phydev->link; 121486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 121586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } else if (mdp->link) { 121686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu new_state = 1; 121786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->link = PHY_DOWN; 121886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->speed = 0; 121986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->duplex = -1; 122086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 122186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1222dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (new_state && netif_msg_link(mdp)) 122386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu phy_print_status(phydev); 122486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 122586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 122686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* PHY init function */ 122786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic int sh_eth_phy_init(struct net_device *ndev) 122886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 122986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 12300a372eb91f9d507701a901c2f62ed31ca67fd66cDavid S. Miller char phy_id[MII_BUS_ID_SIZE + 3]; 123186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct phy_device *phydev = NULL; 123286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1233fb28ad35906af2f042c94e2f9c0f898ef9acfa37Kay Sievers snprintf(phy_id, sizeof(phy_id), PHY_ID_FMT, 123486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->mii_bus->id , mdp->phy_id); 123586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 123686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->link = PHY_DOWN; 123786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->speed = 0; 123886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->duplex = -1; 123986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 124086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Try connect to PHY */ 1241c061b18df0f1fe3f50fe451dbbdc9ede3c19701aJoe Perches phydev = phy_connect(ndev, phy_id, sh_eth_adjust_link, 1242e47c90523484518aac30498150e427d824ace705Yoshihiro Shimoda 0, mdp->phy_interface); 124386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (IS_ERR(phydev)) { 124486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu dev_err(&ndev->dev, "phy_connect failed\n"); 124586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return PTR_ERR(phydev); 124686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 1247380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 124886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu dev_info(&ndev->dev, "attached phy %i to driver %s\n", 1249380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda phydev->addr, phydev->drv->name); 125086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 125186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->phydev = phydev; 125286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 125386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return 0; 125486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 125586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 125686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* PHY control start function */ 125786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic int sh_eth_phy_start(struct net_device *ndev) 125886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 125986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 126086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu int ret; 126186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 126286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ret = sh_eth_phy_init(ndev); 126386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (ret) 126486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return ret; 126586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 126686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* reset phy - this also wakes it from PDOWN */ 126786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu phy_write(mdp->phydev, MII_BMCR, BMCR_RESET); 126886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu phy_start(mdp->phydev); 126986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 127086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return 0; 127186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 127286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1273dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsustatic int sh_eth_get_settings(struct net_device *ndev, 1274dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu struct ethtool_cmd *ecmd) 1275dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu{ 1276dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 1277dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu unsigned long flags; 1278dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu int ret; 1279dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1280dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu spin_lock_irqsave(&mdp->lock, flags); 1281dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu ret = phy_ethtool_gset(mdp->phydev, ecmd); 1282dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu spin_unlock_irqrestore(&mdp->lock, flags); 1283dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1284dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu return ret; 1285dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu} 1286dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1287dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsustatic int sh_eth_set_settings(struct net_device *ndev, 1288dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu struct ethtool_cmd *ecmd) 1289dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu{ 1290dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 1291dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu unsigned long flags; 1292dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu int ret; 1293dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1294dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu spin_lock_irqsave(&mdp->lock, flags); 1295dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1296dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu /* disable tx and rx */ 12974a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_rcv_snd_disable(ndev); 1298dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1299dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu ret = phy_ethtool_sset(mdp->phydev, ecmd); 1300dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (ret) 1301dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu goto error_exit; 1302dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1303dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (ecmd->duplex == DUPLEX_FULL) 1304dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu mdp->duplex = 1; 1305dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu else 1306dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu mdp->duplex = 0; 1307dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1308dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (mdp->cd->set_duplex) 1309dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu mdp->cd->set_duplex(ndev); 1310dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1311dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsuerror_exit: 1312dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu mdelay(1); 1313dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1314dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu /* enable tx and rx */ 13154a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_rcv_snd_enable(ndev); 1316dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1317dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu spin_unlock_irqrestore(&mdp->lock, flags); 1318dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1319dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu return ret; 1320dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu} 1321dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1322dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsustatic int sh_eth_nway_reset(struct net_device *ndev) 1323dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu{ 1324dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 1325dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu unsigned long flags; 1326dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu int ret; 1327dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1328dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu spin_lock_irqsave(&mdp->lock, flags); 1329dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu ret = phy_start_aneg(mdp->phydev); 1330dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu spin_unlock_irqrestore(&mdp->lock, flags); 1331dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1332dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu return ret; 1333dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu} 1334dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1335dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsustatic u32 sh_eth_get_msglevel(struct net_device *ndev) 1336dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu{ 1337dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 1338dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu return mdp->msg_enable; 1339dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu} 1340dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1341dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsustatic void sh_eth_set_msglevel(struct net_device *ndev, u32 value) 1342dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu{ 1343dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 1344dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu mdp->msg_enable = value; 1345dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu} 1346dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1347dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsustatic const char sh_eth_gstrings_stats[][ETH_GSTRING_LEN] = { 1348dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu "rx_current", "tx_current", 1349dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu "rx_dirty", "tx_dirty", 1350dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu}; 1351dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu#define SH_ETH_STATS_LEN ARRAY_SIZE(sh_eth_gstrings_stats) 1352dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1353dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsustatic int sh_eth_get_sset_count(struct net_device *netdev, int sset) 1354dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu{ 1355dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu switch (sset) { 1356dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu case ETH_SS_STATS: 1357dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu return SH_ETH_STATS_LEN; 1358dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu default: 1359dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu return -EOPNOTSUPP; 1360dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu } 1361dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu} 1362dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1363dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsustatic void sh_eth_get_ethtool_stats(struct net_device *ndev, 1364dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu struct ethtool_stats *stats, u64 *data) 1365dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu{ 1366dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 1367dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu int i = 0; 1368dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1369dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu /* device-specific stats */ 1370dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu data[i++] = mdp->cur_rx; 1371dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu data[i++] = mdp->cur_tx; 1372dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu data[i++] = mdp->dirty_rx; 1373dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu data[i++] = mdp->dirty_tx; 1374dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu} 1375dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1376dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsustatic void sh_eth_get_strings(struct net_device *ndev, u32 stringset, u8 *data) 1377dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu{ 1378dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu switch (stringset) { 1379dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu case ETH_SS_STATS: 1380dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu memcpy(data, *sh_eth_gstrings_stats, 1381dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu sizeof(sh_eth_gstrings_stats)); 1382dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu break; 1383dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu } 1384dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu} 1385dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 13869b07be4b2a78166bc54c8eedf18da8a8aafacfabstephen hemmingerstatic const struct ethtool_ops sh_eth_ethtool_ops = { 1387dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu .get_settings = sh_eth_get_settings, 1388dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu .set_settings = sh_eth_set_settings, 13899b07be4b2a78166bc54c8eedf18da8a8aafacfabstephen hemminger .nway_reset = sh_eth_nway_reset, 1390dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu .get_msglevel = sh_eth_get_msglevel, 1391dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu .set_msglevel = sh_eth_set_msglevel, 13929b07be4b2a78166bc54c8eedf18da8a8aafacfabstephen hemminger .get_link = ethtool_op_get_link, 1393dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu .get_strings = sh_eth_get_strings, 1394dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu .get_ethtool_stats = sh_eth_get_ethtool_stats, 1395dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu .get_sset_count = sh_eth_get_sset_count, 1396dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu}; 1397dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 139886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* network device open function */ 139986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic int sh_eth_open(struct net_device *ndev) 140086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 140186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu int ret = 0; 140286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 140386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1404bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm pm_runtime_get_sync(&mdp->pdev->dev); 1405bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm 1406a0607fd3a25ba1848a63a0d925e36d914735ab47Joe Perches ret = request_irq(ndev->irq, sh_eth_interrupt, 1407f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda#if defined(CONFIG_CPU_SUBTYPE_SH7763) || \ 1408dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu defined(CONFIG_CPU_SUBTYPE_SH7764) || \ 1409dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu defined(CONFIG_CPU_SUBTYPE_SH7757) 14100e0fde3c8d65524b8dfd834332d6e4a92711a66aNobuhiro Iwamatsu IRQF_SHARED, 14110e0fde3c8d65524b8dfd834332d6e4a92711a66aNobuhiro Iwamatsu#else 14120e0fde3c8d65524b8dfd834332d6e4a92711a66aNobuhiro Iwamatsu 0, 14130e0fde3c8d65524b8dfd834332d6e4a92711a66aNobuhiro Iwamatsu#endif 14140e0fde3c8d65524b8dfd834332d6e4a92711a66aNobuhiro Iwamatsu ndev->name, ndev); 141586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (ret) { 1416380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda dev_err(&ndev->dev, "Can not assign IRQ number\n"); 141786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return ret; 141886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 141986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 142086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Descriptor set */ 142186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ret = sh_eth_ring_init(ndev); 142286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (ret) 142386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu goto out_free_irq; 142486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 142586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* device init */ 142686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ret = sh_eth_dev_init(ndev); 142786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (ret) 142886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu goto out_free_irq; 142986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 143086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* PHY control start*/ 143186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ret = sh_eth_phy_start(ndev); 143286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (ret) 143386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu goto out_free_irq; 143486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 143586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Set the timer to check for link beat. */ 143686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu init_timer(&mdp->timer); 143786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->timer.expires = (jiffies + (24 * HZ)) / 10;/* 2.4 sec. */ 1438b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu setup_timer(&mdp->timer, sh_eth_timer, (unsigned long)ndev); 143986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 144086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return ret; 144186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 144286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsuout_free_irq: 144386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu free_irq(ndev->irq, ndev); 1444bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm pm_runtime_put_sync(&mdp->pdev->dev); 144586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return ret; 144686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 144786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 144886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* Timeout function */ 144986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic void sh_eth_tx_timeout(struct net_device *ndev) 145086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 145186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 145286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_rxdesc *rxdesc; 145386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu int i; 145486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 145586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu netif_stop_queue(ndev); 145686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1457dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (netif_msg_timer(mdp)) 1458dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu dev_err(&ndev->dev, "%s: transmit timed out, status %8.8x," 14594a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda " resetting...\n", ndev->name, (int)sh_eth_read(ndev, EESR)); 146086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 146186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* tx_errors count up */ 1462bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.tx_errors++; 146386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 146486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* timer off */ 146586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu del_timer_sync(&mdp->timer); 146686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 146786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Free all the skbuffs in the Rx queue. */ 146886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu for (i = 0; i < RX_RING_SIZE; i++) { 146986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu rxdesc = &mdp->rx_ring[i]; 147086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu rxdesc->status = 0; 147186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu rxdesc->addr = 0xBADF00D0; 147286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (mdp->rx_skbuff[i]) 147386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu dev_kfree_skb(mdp->rx_skbuff[i]); 147486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->rx_skbuff[i] = NULL; 147586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 147686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu for (i = 0; i < TX_RING_SIZE; i++) { 147786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (mdp->tx_skbuff[i]) 147886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu dev_kfree_skb(mdp->tx_skbuff[i]); 147986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->tx_skbuff[i] = NULL; 148086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 148186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 148286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* device init */ 148386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu sh_eth_dev_init(ndev); 148486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 148586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* timer on */ 148686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->timer.expires = (jiffies + (24 * HZ)) / 10;/* 2.4 sec. */ 148786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu add_timer(&mdp->timer); 148886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 148986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 149086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* Packet transmit function */ 149186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic int sh_eth_start_xmit(struct sk_buff *skb, struct net_device *ndev) 149286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 149386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 149486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_txdesc *txdesc; 149586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu u32 entry; 1496fb5e2f9b9410a4362897d12dc1ed4f7cec1b0d45Nobuhiro Iwamatsu unsigned long flags; 149786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 149886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu spin_lock_irqsave(&mdp->lock, flags); 149986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if ((mdp->cur_tx - mdp->dirty_tx) >= (TX_RING_SIZE - 4)) { 150086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (!sh_eth_txfree(ndev)) { 1501dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (netif_msg_tx_queued(mdp)) 1502dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu dev_warn(&ndev->dev, "TxFD exhausted.\n"); 150386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu netif_stop_queue(ndev); 150486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu spin_unlock_irqrestore(&mdp->lock, flags); 15055b548140225c6bbbbd560551dd1048b2c0ce58bePatrick McHardy return NETDEV_TX_BUSY; 150686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 150786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 150886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu spin_unlock_irqrestore(&mdp->lock, flags); 150986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 151086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu entry = mdp->cur_tx % TX_RING_SIZE; 151186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->tx_skbuff[entry] = skb; 151286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu txdesc = &mdp->tx_ring[entry]; 151386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* soft swap. */ 1514380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (!mdp->cd->hw_swap) 1515380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda sh_eth_soft_swap(phys_to_virt(ALIGN(txdesc->addr, 4)), 1516380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda skb->len + 2); 151731fcb99d9958bdf04e84224e202f69e6cdac893bYoshihiro Shimoda txdesc->addr = dma_map_single(&ndev->dev, skb->data, skb->len, 151831fcb99d9958bdf04e84224e202f69e6cdac893bYoshihiro Shimoda DMA_TO_DEVICE); 151986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (skb->len < ETHERSMALL) 152086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu txdesc->buffer_length = ETHERSMALL; 152186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu else 152286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu txdesc->buffer_length = skb->len; 152386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 152486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (entry >= TX_RING_SIZE - 1) 152571557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato txdesc->status |= cpu_to_edmac(mdp, TD_TACT | TD_TDLE); 152686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu else 152771557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato txdesc->status |= cpu_to_edmac(mdp, TD_TACT); 152886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 152986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->cur_tx++; 153086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1531c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda if (!(sh_eth_read(ndev, EDTRR) & sh_eth_get_edtrr_trns(mdp))) 1532c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda sh_eth_write(ndev, sh_eth_get_edtrr_trns(mdp), EDTRR); 1533b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu 15346ed106549d17474ca17a16057f4c0ed4eba5a7caPatrick McHardy return NETDEV_TX_OK; 153586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 153686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 153786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* device close function */ 153886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic int sh_eth_close(struct net_device *ndev) 153986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 154086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 154186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu int ringsize; 154286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 154386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu netif_stop_queue(ndev); 154486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 154586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Disable interrupts by clearing the interrupt mask. */ 15464a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 0x0000, EESIPR); 154786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 154886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Stop the chip's Tx and Rx processes. */ 15494a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 0, EDTRR); 15504a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 0, EDRRR); 155186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 155286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* PHY Disconnect */ 155386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (mdp->phydev) { 155486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu phy_stop(mdp->phydev); 155586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu phy_disconnect(mdp->phydev); 155686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 155786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 155886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu free_irq(ndev->irq, ndev); 155986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 156086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu del_timer_sync(&mdp->timer); 156186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 156286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Free all the skbuffs in the Rx queue. */ 156386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu sh_eth_ring_free(ndev); 156486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 156586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* free DMA buffer */ 156686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ringsize = sizeof(struct sh_eth_rxdesc) * RX_RING_SIZE; 156786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu dma_free_coherent(NULL, ringsize, mdp->rx_ring, mdp->rx_desc_dma); 156886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 156986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* free DMA buffer */ 157086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ringsize = sizeof(struct sh_eth_txdesc) * TX_RING_SIZE; 157186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu dma_free_coherent(NULL, ringsize, mdp->tx_ring, mdp->tx_desc_dma); 157286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1573bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm pm_runtime_put_sync(&mdp->pdev->dev); 1574bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm 157586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return 0; 157686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 157786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 157886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic struct net_device_stats *sh_eth_get_stats(struct net_device *ndev) 157986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 158086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 158186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1582bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm pm_runtime_get_sync(&mdp->pdev->dev); 1583bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm 1584bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.tx_dropped += sh_eth_read(ndev, TROCR); 15854a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 0, TROCR); /* (write clear) */ 1586bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.collisions += sh_eth_read(ndev, CDCR); 15874a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 0, CDCR); /* (write clear) */ 1588bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.tx_carrier_errors += sh_eth_read(ndev, LCCR); 15894a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 0, LCCR); /* (write clear) */ 1590c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda if (sh_eth_is_gether(mdp)) { 1591bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.tx_carrier_errors += sh_eth_read(ndev, CERCR); 1592c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda sh_eth_write(ndev, 0, CERCR); /* (write clear) */ 1593bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.tx_carrier_errors += sh_eth_read(ndev, CEECR); 1594c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda sh_eth_write(ndev, 0, CEECR); /* (write clear) */ 1595c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda } else { 1596bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.tx_carrier_errors += sh_eth_read(ndev, CNDCR); 1597c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda sh_eth_write(ndev, 0, CNDCR); /* (write clear) */ 1598c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda } 1599bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm pm_runtime_put_sync(&mdp->pdev->dev); 1600bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm 1601bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet return &ndev->stats; 160286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 160386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1604bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet/* ioctl to device function */ 160586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic int sh_eth_do_ioctl(struct net_device *ndev, struct ifreq *rq, 160686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu int cmd) 160786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 160886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 160986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct phy_device *phydev = mdp->phydev; 161086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 161186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (!netif_running(ndev)) 161286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return -EINVAL; 161386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 161486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (!phydev) 161586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return -ENODEV; 161686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 161728b041139e344ecd0f144d6205b004ae354cfa1eRichard Cochran return phy_mii_ioctl(phydev, rq, cmd); 161886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 161986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1620380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda#if defined(SH_ETH_HAS_TSU) 16216743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda/* For TSU_POSTn. Please refer to the manual about this (strange) bitfields */ 16226743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimodastatic void *sh_eth_tsu_get_post_reg_offset(struct sh_eth_private *mdp, 16236743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda int entry) 16246743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda{ 16256743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return sh_eth_tsu_get_offset(mdp, TSU_POST1) + (entry / 8 * 4); 16266743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda} 16276743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 16286743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimodastatic u32 sh_eth_tsu_get_post_mask(int entry) 16296743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda{ 16306743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return 0x0f << (28 - ((entry % 8) * 4)); 16316743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda} 16326743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 16336743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimodastatic u32 sh_eth_tsu_get_post_bit(struct sh_eth_private *mdp, int entry) 16346743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda{ 16356743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return (0x08 >> (mdp->port << 1)) << (28 - ((entry % 8) * 4)); 16366743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda} 16376743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 16386743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimodastatic void sh_eth_tsu_enable_cam_entry_post(struct net_device *ndev, 16396743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda int entry) 16406743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda{ 16416743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 16426743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda u32 tmp; 16436743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda void *reg_offset; 16446743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 16456743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda reg_offset = sh_eth_tsu_get_post_reg_offset(mdp, entry); 16466743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda tmp = ioread32(reg_offset); 16476743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda iowrite32(tmp | sh_eth_tsu_get_post_bit(mdp, entry), reg_offset); 16486743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda} 16496743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 16506743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimodastatic bool sh_eth_tsu_disable_cam_entry_post(struct net_device *ndev, 16516743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda int entry) 16526743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda{ 16536743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 16546743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda u32 post_mask, ref_mask, tmp; 16556743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda void *reg_offset; 16566743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 16576743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda reg_offset = sh_eth_tsu_get_post_reg_offset(mdp, entry); 16586743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda post_mask = sh_eth_tsu_get_post_mask(entry); 16596743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda ref_mask = sh_eth_tsu_get_post_bit(mdp, entry) & ~post_mask; 16606743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 16616743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda tmp = ioread32(reg_offset); 16626743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda iowrite32(tmp & ~post_mask, reg_offset); 16636743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 16646743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda /* If other port enables, the function returns "true" */ 16656743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return tmp & ref_mask; 16666743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda} 16676743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 16686743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimodastatic int sh_eth_tsu_busy(struct net_device *ndev) 16696743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda{ 16706743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda int timeout = SH_ETH_TSU_TIMEOUT_MS * 100; 16716743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 16726743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 16736743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda while ((sh_eth_tsu_read(mdp, TSU_ADSBSY) & TSU_ADSBSY_0)) { 16746743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda udelay(10); 16756743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda timeout--; 16766743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (timeout <= 0) { 16776743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda dev_err(&ndev->dev, "%s: timeout\n", __func__); 16786743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return -ETIMEDOUT; 16796743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda } 16806743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda } 16816743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 16826743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return 0; 16836743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda} 16846743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 16856743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimodastatic int sh_eth_tsu_write_entry(struct net_device *ndev, void *reg, 16866743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda const u8 *addr) 16876743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda{ 16886743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda u32 val; 16896743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 16906743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda val = addr[0] << 24 | addr[1] << 16 | addr[2] << 8 | addr[3]; 16916743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda iowrite32(val, reg); 16926743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (sh_eth_tsu_busy(ndev) < 0) 16936743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return -EBUSY; 16946743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 16956743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda val = addr[4] << 8 | addr[5]; 16966743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda iowrite32(val, reg + 4); 16976743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (sh_eth_tsu_busy(ndev) < 0) 16986743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return -EBUSY; 16996743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 17006743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return 0; 17016743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda} 17026743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 17036743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimodastatic void sh_eth_tsu_read_entry(void *reg, u8 *addr) 17046743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda{ 17056743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda u32 val; 17066743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 17076743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda val = ioread32(reg); 17086743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda addr[0] = (val >> 24) & 0xff; 17096743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda addr[1] = (val >> 16) & 0xff; 17106743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda addr[2] = (val >> 8) & 0xff; 17116743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda addr[3] = val & 0xff; 17126743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda val = ioread32(reg + 4); 17136743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda addr[4] = (val >> 8) & 0xff; 17146743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda addr[5] = val & 0xff; 17156743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda} 17166743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 17176743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 17186743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimodastatic int sh_eth_tsu_find_entry(struct net_device *ndev, const u8 *addr) 17196743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda{ 17206743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 17216743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda void *reg_offset = sh_eth_tsu_get_offset(mdp, TSU_ADRH0); 17226743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda int i; 17236743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda u8 c_addr[ETH_ALEN]; 17246743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 17256743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda for (i = 0; i < SH_ETH_TSU_CAM_ENTRIES; i++, reg_offset += 8) { 17266743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda sh_eth_tsu_read_entry(reg_offset, c_addr); 17276743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (memcmp(addr, c_addr, ETH_ALEN) == 0) 17286743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return i; 17296743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda } 17306743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 17316743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return -ENOENT; 17326743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda} 17336743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 17346743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimodastatic int sh_eth_tsu_find_empty(struct net_device *ndev) 17356743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda{ 17366743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda u8 blank[ETH_ALEN]; 17376743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda int entry; 17386743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 17396743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda memset(blank, 0, sizeof(blank)); 17406743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda entry = sh_eth_tsu_find_entry(ndev, blank); 17416743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return (entry < 0) ? -ENOMEM : entry; 17426743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda} 17436743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 17446743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimodastatic int sh_eth_tsu_disable_cam_entry_table(struct net_device *ndev, 17456743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda int entry) 17466743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda{ 17476743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 17486743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda void *reg_offset = sh_eth_tsu_get_offset(mdp, TSU_ADRH0); 17496743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda int ret; 17506743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda u8 blank[ETH_ALEN]; 17516743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 17526743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda sh_eth_tsu_write(mdp, sh_eth_tsu_read(mdp, TSU_TEN) & 17536743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda ~(1 << (31 - entry)), TSU_TEN); 17546743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 17556743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda memset(blank, 0, sizeof(blank)); 17566743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda ret = sh_eth_tsu_write_entry(ndev, reg_offset + entry * 8, blank); 17576743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (ret < 0) 17586743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return ret; 17596743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return 0; 17606743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda} 17616743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 17626743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimodastatic int sh_eth_tsu_add_entry(struct net_device *ndev, const u8 *addr) 17636743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda{ 17646743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 17656743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda void *reg_offset = sh_eth_tsu_get_offset(mdp, TSU_ADRH0); 17666743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda int i, ret; 17676743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 17686743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (!mdp->cd->tsu) 17696743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return 0; 17706743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 17716743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda i = sh_eth_tsu_find_entry(ndev, addr); 17726743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (i < 0) { 17736743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda /* No entry found, create one */ 17746743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda i = sh_eth_tsu_find_empty(ndev); 17756743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (i < 0) 17766743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return -ENOMEM; 17776743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda ret = sh_eth_tsu_write_entry(ndev, reg_offset + i * 8, addr); 17786743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (ret < 0) 17796743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return ret; 17806743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 17816743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda /* Enable the entry */ 17826743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda sh_eth_tsu_write(mdp, sh_eth_tsu_read(mdp, TSU_TEN) | 17836743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda (1 << (31 - i)), TSU_TEN); 17846743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda } 17856743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 17866743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda /* Entry found or created, enable POST */ 17876743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda sh_eth_tsu_enable_cam_entry_post(ndev, i); 17886743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 17896743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return 0; 17906743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda} 17916743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 17926743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimodastatic int sh_eth_tsu_del_entry(struct net_device *ndev, const u8 *addr) 17936743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda{ 17946743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 17956743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda int i, ret; 17966743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 17976743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (!mdp->cd->tsu) 17986743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return 0; 17996743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 18006743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda i = sh_eth_tsu_find_entry(ndev, addr); 18016743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (i) { 18026743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda /* Entry found */ 18036743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (sh_eth_tsu_disable_cam_entry_post(ndev, i)) 18046743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda goto done; 18056743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 18066743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda /* Disable the entry if both ports was disabled */ 18076743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda ret = sh_eth_tsu_disable_cam_entry_table(ndev, i); 18086743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (ret < 0) 18096743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return ret; 18106743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda } 18116743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimodadone: 18126743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return 0; 18136743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda} 18146743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 18156743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimodastatic int sh_eth_tsu_purge_all(struct net_device *ndev) 18166743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda{ 18176743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 18186743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda int i, ret; 18196743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 18206743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (unlikely(!mdp->cd->tsu)) 18216743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return 0; 18226743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 18236743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda for (i = 0; i < SH_ETH_TSU_CAM_ENTRIES; i++) { 18246743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (sh_eth_tsu_disable_cam_entry_post(ndev, i)) 18256743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda continue; 18266743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 18276743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda /* Disable the entry if both ports was disabled */ 18286743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda ret = sh_eth_tsu_disable_cam_entry_table(ndev, i); 18296743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (ret < 0) 18306743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return ret; 18316743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda } 18326743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 18336743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return 0; 18346743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda} 18356743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 18366743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimodastatic void sh_eth_tsu_purge_mcast(struct net_device *ndev) 18376743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda{ 18386743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 18396743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda u8 addr[ETH_ALEN]; 18406743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda void *reg_offset = sh_eth_tsu_get_offset(mdp, TSU_ADRH0); 18416743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda int i; 18426743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 18436743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (unlikely(!mdp->cd->tsu)) 18446743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return; 18456743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 18466743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda for (i = 0; i < SH_ETH_TSU_CAM_ENTRIES; i++, reg_offset += 8) { 18476743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda sh_eth_tsu_read_entry(reg_offset, addr); 18486743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (is_multicast_ether_addr(addr)) 18496743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda sh_eth_tsu_del_entry(ndev, addr); 18506743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda } 18516743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda} 18526743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 185386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* Multicast reception directions set */ 185486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic void sh_eth_set_multicast_list(struct net_device *ndev) 185586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 18566743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 18576743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda u32 ecmr_bits; 18586743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda int mcast_all = 0; 18596743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda unsigned long flags; 18606743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 18616743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda spin_lock_irqsave(&mdp->lock, flags); 18626743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda /* 18636743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda * Initial condition is MCT = 1, PRM = 0. 18646743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda * Depending on ndev->flags, set PRM or clear MCT 18656743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda */ 18666743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda ecmr_bits = (sh_eth_read(ndev, ECMR) & ~ECMR_PRM) | ECMR_MCT; 18676743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 18686743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (!(ndev->flags & IFF_MULTICAST)) { 18696743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda sh_eth_tsu_purge_mcast(ndev); 18706743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda mcast_all = 1; 18716743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda } 18726743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (ndev->flags & IFF_ALLMULTI) { 18736743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda sh_eth_tsu_purge_mcast(ndev); 18746743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda ecmr_bits &= ~ECMR_MCT; 18756743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda mcast_all = 1; 18766743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda } 18776743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 187886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (ndev->flags & IFF_PROMISC) { 18796743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda sh_eth_tsu_purge_all(ndev); 18806743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda ecmr_bits = (ecmr_bits & ~ECMR_MCT) | ECMR_PRM; 18816743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda } else if (mdp->cd->tsu) { 18826743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda struct netdev_hw_addr *ha; 18836743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda netdev_for_each_mc_addr(ha, ndev) { 18846743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (mcast_all && is_multicast_ether_addr(ha->addr)) 18856743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda continue; 18866743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 18876743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (sh_eth_tsu_add_entry(ndev, ha->addr) < 0) { 18886743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (!mcast_all) { 18896743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda sh_eth_tsu_purge_mcast(ndev); 18906743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda ecmr_bits &= ~ECMR_MCT; 18916743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda mcast_all = 1; 18926743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda } 18936743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda } 18946743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda } 189586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } else { 189686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Normal, unicast/broadcast-only mode. */ 18976743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda ecmr_bits = (ecmr_bits & ~ECMR_PRM) | ECMR_MCT; 189886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 18996743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 19006743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda /* update the ethernet mode */ 19016743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda sh_eth_write(ndev, ecmr_bits, ECMR); 19026743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 19036743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda spin_unlock_irqrestore(&mdp->lock, flags); 190486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 190571cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda 190671cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimodastatic int sh_eth_get_vtag_index(struct sh_eth_private *mdp) 190771cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda{ 190871cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda if (!mdp->port) 190971cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda return TSU_VTAG0; 191071cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda else 191171cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda return TSU_VTAG1; 191271cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda} 191371cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda 191471cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimodastatic int sh_eth_vlan_rx_add_vid(struct net_device *ndev, u16 vid) 191571cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda{ 191671cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 191771cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda int vtag_reg_index = sh_eth_get_vtag_index(mdp); 191871cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda 191971cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda if (unlikely(!mdp->cd->tsu)) 192071cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda return -EPERM; 192171cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda 192271cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda /* No filtering if vid = 0 */ 192371cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda if (!vid) 192471cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda return 0; 192571cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda 192671cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda mdp->vlan_num_ids++; 192771cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda 192871cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda /* 192971cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda * The controller has one VLAN tag HW filter. So, if the filter is 193071cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda * already enabled, the driver disables it and the filte 193171cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda */ 193271cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda if (mdp->vlan_num_ids > 1) { 193371cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda /* disable VLAN filter */ 193471cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda sh_eth_tsu_write(mdp, 0, vtag_reg_index); 193571cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda return 0; 193671cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda } 193771cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda 193871cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda sh_eth_tsu_write(mdp, TSU_VTAG_ENABLE | (vid & TSU_VTAG_VID_MASK), 193971cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda vtag_reg_index); 194071cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda 194171cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda return 0; 194271cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda} 194371cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda 194471cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimodastatic int sh_eth_vlan_rx_kill_vid(struct net_device *ndev, u16 vid) 194571cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda{ 194671cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 194771cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda int vtag_reg_index = sh_eth_get_vtag_index(mdp); 194871cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda 194971cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda if (unlikely(!mdp->cd->tsu)) 195071cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda return -EPERM; 195171cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda 195271cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda /* No filtering if vid = 0 */ 195371cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda if (!vid) 195471cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda return 0; 195571cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda 195671cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda mdp->vlan_num_ids--; 195771cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda sh_eth_tsu_write(mdp, 0, vtag_reg_index); 195871cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda 195971cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda return 0; 196071cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda} 19614986b996882d82c68ab54b822d7cfdd7dd35f19aYoshihiro Shimoda#endif /* SH_ETH_HAS_TSU */ 196286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 196386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* SuperH's TSU register init function */ 19644a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimodastatic void sh_eth_tsu_init(struct sh_eth_private *mdp) 196586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 19664a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_FWEN0); /* Disable forward(0->1) */ 19674a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_FWEN1); /* Disable forward(1->0) */ 19684a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_FCM); /* forward fifo 3k-3k */ 19694a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0xc, TSU_BSYSL0); 19704a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0xc, TSU_BSYSL1); 19714a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_PRISL0); 19724a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_PRISL1); 19734a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_FWSL0); 19744a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_FWSL1); 19754a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, TSU_FWSLC_POSTENU | TSU_FWSLC_POSTENL, TSU_FWSLC); 1976c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda if (sh_eth_is_gether(mdp)) { 1977c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_QTAG0); /* Disable QTAG(0->1) */ 1978c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_QTAG1); /* Disable QTAG(1->0) */ 1979c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda } else { 1980c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_QTAGM0); /* Disable QTAG(0->1) */ 1981c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_QTAGM1); /* Disable QTAG(1->0) */ 1982c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda } 19834a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_FWSR); /* all interrupt status clear */ 19844a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_FWINMK); /* Disable all interrupt */ 19854a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_TEN); /* Disable all CAM entry */ 19864a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_POST1); /* Disable CAM entry [ 0- 7] */ 19874a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_POST2); /* Disable CAM entry [ 8-15] */ 19884a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_POST3); /* Disable CAM entry [16-23] */ 19894a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_POST4); /* Disable CAM entry [24-31] */ 199086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 199186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 199286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* MDIO bus release function */ 199386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic int sh_mdio_release(struct net_device *ndev) 199486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 199586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct mii_bus *bus = dev_get_drvdata(&ndev->dev); 199686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 199786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* unregister mdio bus */ 199886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdiobus_unregister(bus); 199986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 200086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* remove mdio bus info from net_device */ 200186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu dev_set_drvdata(&ndev->dev, NULL); 200286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 20030f0b405cd16f7aaff84a935984cae421897d725dDenis Kirjanov /* free interrupts memory */ 20040f0b405cd16f7aaff84a935984cae421897d725dDenis Kirjanov kfree(bus->irq); 20050f0b405cd16f7aaff84a935984cae421897d725dDenis Kirjanov 200686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* free bitbang info */ 200786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu free_mdio_bitbang(bus); 200886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 200986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return 0; 201086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 201186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 201286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* MDIO bus init function */ 2013b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimodastatic int sh_mdio_init(struct net_device *ndev, int id, 2014b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda struct sh_eth_plat_data *pd) 201586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 201686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu int ret, i; 201786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct bb_info *bitbang; 201886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 201986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 202086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* create bit control struct for PHY */ 202186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu bitbang = kzalloc(sizeof(struct bb_info), GFP_KERNEL); 202286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (!bitbang) { 202386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ret = -ENOMEM; 202486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu goto out; 202586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 202686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 202786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* bitbang init */ 2028ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda bitbang->addr = mdp->addr + mdp->reg_offset[PIR]; 2029b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda bitbang->set_gate = pd->set_mdio_gate; 203086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu bitbang->mdi_msk = 0x08; 203186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu bitbang->mdo_msk = 0x04; 203286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu bitbang->mmd_msk = 0x02;/* MMD */ 203386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu bitbang->mdc_msk = 0x01; 203486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu bitbang->ctrl.ops = &bb_ops; 203586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 2036c2e07b3a9ced33dd92597201be3931be8ea57ed6Stefan Weil /* MII controller setting */ 203786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->mii_bus = alloc_mdio_bitbang(&bitbang->ctrl); 203886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (!mdp->mii_bus) { 203986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ret = -ENOMEM; 204086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu goto out_free_bitbang; 204186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 204286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 204386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Hook up MII support for ethtool */ 204486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->mii_bus->name = "sh_mii"; 204518ee49ddb0d242ed1d0e273038d5e4f6de7379d3Lennert Buytenhek mdp->mii_bus->parent = &ndev->dev; 20465278fb547076ad6768d16c8b4df45c086470c163Florian Fainelli snprintf(mdp->mii_bus->id, MII_BUS_ID_SIZE, "%s-%x", 204734aa6f1400810890636ba0b170effbfa71eacec7Nobuhiro Iwamatsu mdp->pdev->name, id); 204886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 204986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* PHY IRQ */ 205086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->mii_bus->irq = kmalloc(sizeof(int)*PHY_MAX_ADDR, GFP_KERNEL); 205186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (!mdp->mii_bus->irq) { 205286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ret = -ENOMEM; 205386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu goto out_free_bus; 205486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 205586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 205686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu for (i = 0; i < PHY_MAX_ADDR; i++) 205786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->mii_bus->irq[i] = PHY_POLL; 205886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 205986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* regist mdio bus */ 206086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ret = mdiobus_register(mdp->mii_bus); 206186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (ret) 206286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu goto out_free_irq; 206386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 206486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu dev_set_drvdata(&ndev->dev, mdp->mii_bus); 206586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 206686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return 0; 206786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 206886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsuout_free_irq: 206986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu kfree(mdp->mii_bus->irq); 207086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 207186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsuout_free_bus: 2072298cf9beb9679522de995e249eccbd82f7c51999Lennert Buytenhek free_mdio_bitbang(mdp->mii_bus); 207386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 207486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsuout_free_bitbang: 207586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu kfree(bitbang); 207686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 207786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsuout: 207886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return ret; 207986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 208086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 20814a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimodastatic const u16 *sh_eth_get_register_offset(int register_type) 20824a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda{ 20834a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda const u16 *reg_offset = NULL; 20844a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda 20854a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda switch (register_type) { 20864a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda case SH_ETH_REG_GIGABIT: 20874a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda reg_offset = sh_eth_offset_gigabit; 20884a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda break; 20894a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda case SH_ETH_REG_FAST_SH4: 20904a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda reg_offset = sh_eth_offset_fast_sh4; 20914a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda break; 20924a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda case SH_ETH_REG_FAST_SH3_SH2: 20934a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda reg_offset = sh_eth_offset_fast_sh3_sh2; 20944a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda break; 20954a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda default: 20964a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda printk(KERN_ERR "Unknown register type (%d)\n", register_type); 20974a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda break; 20984a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda } 20994a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda 21004a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda return reg_offset; 21014a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda} 21024a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda 2103ebf84eaa927be41a440fd4c8f81e1844922bc0b2Alexander Beregalovstatic const struct net_device_ops sh_eth_netdev_ops = { 2104ebf84eaa927be41a440fd4c8f81e1844922bc0b2Alexander Beregalov .ndo_open = sh_eth_open, 2105ebf84eaa927be41a440fd4c8f81e1844922bc0b2Alexander Beregalov .ndo_stop = sh_eth_close, 2106ebf84eaa927be41a440fd4c8f81e1844922bc0b2Alexander Beregalov .ndo_start_xmit = sh_eth_start_xmit, 2107ebf84eaa927be41a440fd4c8f81e1844922bc0b2Alexander Beregalov .ndo_get_stats = sh_eth_get_stats, 2108380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda#if defined(SH_ETH_HAS_TSU) 2109afc4b13df143122f99a0eb10bfefb216c2806de0Jiri Pirko .ndo_set_rx_mode = sh_eth_set_multicast_list, 211071cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda .ndo_vlan_rx_add_vid = sh_eth_vlan_rx_add_vid, 211171cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda .ndo_vlan_rx_kill_vid = sh_eth_vlan_rx_kill_vid, 2112380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda#endif 2113ebf84eaa927be41a440fd4c8f81e1844922bc0b2Alexander Beregalov .ndo_tx_timeout = sh_eth_tx_timeout, 2114ebf84eaa927be41a440fd4c8f81e1844922bc0b2Alexander Beregalov .ndo_do_ioctl = sh_eth_do_ioctl, 2115ebf84eaa927be41a440fd4c8f81e1844922bc0b2Alexander Beregalov .ndo_validate_addr = eth_validate_addr, 2116ebf84eaa927be41a440fd4c8f81e1844922bc0b2Alexander Beregalov .ndo_set_mac_address = eth_mac_addr, 2117ebf84eaa927be41a440fd4c8f81e1844922bc0b2Alexander Beregalov .ndo_change_mtu = eth_change_mtu, 2118ebf84eaa927be41a440fd4c8f81e1844922bc0b2Alexander Beregalov}; 2119ebf84eaa927be41a440fd4c8f81e1844922bc0b2Alexander Beregalov 212086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic int sh_eth_drv_probe(struct platform_device *pdev) 212186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 21229c38657cfcb739b7dc4ce9065a85b4f0c195bef8Kuninori Morimoto int ret, devno = 0; 212386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct resource *res; 212486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct net_device *ndev = NULL; 2125ec0d75518cb06261f1823fa2713fe52b9b26455eKuninori Morimoto struct sh_eth_private *mdp = NULL; 212671557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato struct sh_eth_plat_data *pd; 212786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 212886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* get base addr */ 212986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu res = platform_get_resource(pdev, IORESOURCE_MEM, 0); 213086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (unlikely(res == NULL)) { 213186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu dev_err(&pdev->dev, "invalid resource\n"); 213286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ret = -EINVAL; 213386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu goto out; 213486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 213586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 213686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ndev = alloc_etherdev(sizeof(struct sh_eth_private)); 213786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (!ndev) { 213886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ret = -ENOMEM; 213986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu goto out; 214086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 214186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 214286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* The sh Ether-specific entries in the device structure. */ 214386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ndev->base_addr = res->start; 214486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu devno = pdev->id; 214586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (devno < 0) 214686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu devno = 0; 214786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 214886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ndev->dma = -1; 2149cc3c080d9f4484021e7b14f99de94a8c85a668d5roel kluin ret = platform_get_irq(pdev, 0); 2150cc3c080d9f4484021e7b14f99de94a8c85a668d5roel kluin if (ret < 0) { 215186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ret = -ENODEV; 215286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu goto out_release; 215386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 2154cc3c080d9f4484021e7b14f99de94a8c85a668d5roel kluin ndev->irq = ret; 215586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 215686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu SET_NETDEV_DEV(ndev, &pdev->dev); 215786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 215886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Fill in the fields of the device structure with ethernet values. */ 215986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ether_setup(ndev); 216086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 216186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp = netdev_priv(ndev); 2162ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda mdp->addr = ioremap(res->start, resource_size(res)); 2163ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda if (mdp->addr == NULL) { 2164ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda ret = -ENOMEM; 2165ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda dev_err(&pdev->dev, "ioremap failed.\n"); 2166ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda goto out_release; 2167ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda } 2168ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda 216986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu spin_lock_init(&mdp->lock); 2170bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm mdp->pdev = pdev; 2171bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm pm_runtime_enable(&pdev->dev); 2172bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm pm_runtime_resume(&pdev->dev); 217386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 217471557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato pd = (struct sh_eth_plat_data *)(pdev->dev.platform_data); 217586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* get PHY ID */ 217671557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato mdp->phy_id = pd->phy; 2177e47c90523484518aac30498150e427d824ace705Yoshihiro Shimoda mdp->phy_interface = pd->phy_interface; 217871557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato /* EDMAC endian */ 217971557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato mdp->edmac_endian = pd->edmac_endian; 21804923576b8ac5bfd36ab2beb176aeb747aaab7e41Yoshihiro Shimoda mdp->no_ether_link = pd->no_ether_link; 21814923576b8ac5bfd36ab2beb176aeb747aaab7e41Yoshihiro Shimoda mdp->ether_link_active_low = pd->ether_link_active_low; 21824a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda mdp->reg_offset = sh_eth_get_register_offset(pd->register_type); 218386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 2184380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda /* set cpu data */ 21858fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda#if defined(SH_ETH_HAS_BOTH_MODULES) 21868fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda mdp->cd = sh_eth_get_cpu_data(mdp); 21878fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda#else 2188380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda mdp->cd = &sh_eth_my_cpu_data; 21898fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda#endif 2190380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda sh_eth_set_default_cpu_data(mdp->cd); 2191380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 219286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* set function */ 2193ebf84eaa927be41a440fd4c8f81e1844922bc0b2Alexander Beregalov ndev->netdev_ops = &sh_eth_netdev_ops; 2194dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu SET_ETHTOOL_OPS(ndev, &sh_eth_ethtool_ops); 219586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ndev->watchdog_timeo = TX_TIMEOUT; 219686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 2197dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu /* debug message level */ 2198dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu mdp->msg_enable = SH_ETH_DEF_MSG_ENABLE; 219986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->post_rx = POST_RX >> (devno << 1); 220086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->post_fw = POST_FW >> (devno << 1); 220186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 220286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* read and set MAC address */ 2203748031f9fd2c06b28817d80761a5de97190cfd03Magnus Damm read_mac_address(ndev, pd->mac_addr); 220486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 22056ba88021c36516c26c11eff8c6d7d9a045faecd3Yoshihiro Shimoda /* ioremap the TSU registers */ 22066ba88021c36516c26c11eff8c6d7d9a045faecd3Yoshihiro Shimoda if (mdp->cd->tsu) { 22076ba88021c36516c26c11eff8c6d7d9a045faecd3Yoshihiro Shimoda struct resource *rtsu; 22086ba88021c36516c26c11eff8c6d7d9a045faecd3Yoshihiro Shimoda rtsu = platform_get_resource(pdev, IORESOURCE_MEM, 1); 22096ba88021c36516c26c11eff8c6d7d9a045faecd3Yoshihiro Shimoda if (!rtsu) { 22106ba88021c36516c26c11eff8c6d7d9a045faecd3Yoshihiro Shimoda dev_err(&pdev->dev, "Not found TSU resource\n"); 22116ba88021c36516c26c11eff8c6d7d9a045faecd3Yoshihiro Shimoda goto out_release; 22126ba88021c36516c26c11eff8c6d7d9a045faecd3Yoshihiro Shimoda } 22136ba88021c36516c26c11eff8c6d7d9a045faecd3Yoshihiro Shimoda mdp->tsu_addr = ioremap(rtsu->start, 22146ba88021c36516c26c11eff8c6d7d9a045faecd3Yoshihiro Shimoda resource_size(rtsu)); 22156743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda mdp->port = devno % 2; 221671cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda ndev->features = NETIF_F_HW_VLAN_FILTER; 22176ba88021c36516c26c11eff8c6d7d9a045faecd3Yoshihiro Shimoda } 22186ba88021c36516c26c11eff8c6d7d9a045faecd3Yoshihiro Shimoda 2219150647fb2c313d7c5184fca3fa0829a4a7d6f7bcYoshihiro Shimoda /* initialize first or needed device */ 2220150647fb2c313d7c5184fca3fa0829a4a7d6f7bcYoshihiro Shimoda if (!devno || pd->needs_init) { 2221380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (mdp->cd->chip_reset) 2222380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda mdp->cd->chip_reset(ndev); 222386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 22244986b996882d82c68ab54b822d7cfdd7dd35f19aYoshihiro Shimoda if (mdp->cd->tsu) { 22254986b996882d82c68ab54b822d7cfdd7dd35f19aYoshihiro Shimoda /* TSU init (Init only)*/ 22264986b996882d82c68ab54b822d7cfdd7dd35f19aYoshihiro Shimoda sh_eth_tsu_init(mdp); 22274986b996882d82c68ab54b822d7cfdd7dd35f19aYoshihiro Shimoda } 222886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 222986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 223086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* network device register */ 223186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ret = register_netdev(ndev); 223286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (ret) 223386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu goto out_release; 223486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 223586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* mdio bus init */ 2236b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda ret = sh_mdio_init(ndev, pdev->id, pd); 223786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (ret) 223886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu goto out_unregister; 223986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 224025985edcedea6396277003854657b5f3cb31a628Lucas De Marchi /* print device information */ 22416cd9b49d7328c4656bfc17fcb47fb814955d40d2H Hartley Sweeten pr_info("Base address at 0x%x, %pM, IRQ %d.\n", 22426cd9b49d7328c4656bfc17fcb47fb814955d40d2H Hartley Sweeten (u32)ndev->base_addr, ndev->dev_addr, ndev->irq); 224386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 224486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu platform_set_drvdata(pdev, ndev); 224586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 224686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return ret; 224786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 224886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsuout_unregister: 224986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu unregister_netdev(ndev); 225086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 225186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsuout_release: 225286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* net_dev free */ 2253ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda if (mdp && mdp->addr) 2254ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda iounmap(mdp->addr); 2255ec0d75518cb06261f1823fa2713fe52b9b26455eKuninori Morimoto if (mdp && mdp->tsu_addr) 22564986b996882d82c68ab54b822d7cfdd7dd35f19aYoshihiro Shimoda iounmap(mdp->tsu_addr); 225786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (ndev) 225886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu free_netdev(ndev); 225986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 226086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsuout: 226186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return ret; 226286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 226386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 226486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic int sh_eth_drv_remove(struct platform_device *pdev) 226586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 226686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct net_device *ndev = platform_get_drvdata(pdev); 22674986b996882d82c68ab54b822d7cfdd7dd35f19aYoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 226886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 22696ba88021c36516c26c11eff8c6d7d9a045faecd3Yoshihiro Shimoda if (mdp->cd->tsu) 22706ba88021c36516c26c11eff8c6d7d9a045faecd3Yoshihiro Shimoda iounmap(mdp->tsu_addr); 227186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu sh_mdio_release(ndev); 227286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu unregister_netdev(ndev); 2273bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm pm_runtime_disable(&pdev->dev); 2274ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda iounmap(mdp->addr); 227586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu free_netdev(ndev); 227686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu platform_set_drvdata(pdev, NULL); 227786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 227886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return 0; 227986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 228086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 2281bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Dammstatic int sh_eth_runtime_nop(struct device *dev) 2282bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm{ 2283bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm /* 2284bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm * Runtime PM callback shared between ->runtime_suspend() 2285bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm * and ->runtime_resume(). Simply returns success. 2286bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm * 2287bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm * This driver re-initializes all registers after 2288bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm * pm_runtime_get_sync() anyway so there is no need 2289bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm * to save and restore registers here. 2290bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm */ 2291bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm return 0; 2292bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm} 2293bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm 2294bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Dammstatic struct dev_pm_ops sh_eth_dev_pm_ops = { 2295bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm .runtime_suspend = sh_eth_runtime_nop, 2296bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm .runtime_resume = sh_eth_runtime_nop, 2297bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm}; 2298bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm 229986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic struct platform_driver sh_eth_driver = { 230086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu .probe = sh_eth_drv_probe, 230186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu .remove = sh_eth_drv_remove, 230286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu .driver = { 230386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu .name = CARDNAME, 2304bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm .pm = &sh_eth_dev_pm_ops, 230586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu }, 230686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu}; 230786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 2308db62f684deeb291ab2533b99843d5df9a36b1f19Axel Linmodule_platform_driver(sh_eth_driver); 230986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 231086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro IwamatsuMODULE_AUTHOR("Nobuhiro Iwamatsu, Yoshihiro Shimoda"); 231186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro IwamatsuMODULE_DESCRIPTION("Renesas SuperH Ethernet driver"); 231286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro IwamatsuMODULE_LICENSE("GPL v2"); 2313