sh_eth.c revision 91c77550000a7d888aaf9f9ac13e3e3485d18560
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 525e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu#if defined(CONFIG_CPU_SUBTYPE_SH7734) || \ 535e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu defined(CONFIG_CPU_SUBTYPE_SH7763) || \ 545e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu defined(CONFIG_ARCH_R8A7740) 555e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsustatic void sh_eth_select_mii(struct net_device *ndev) 565e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu{ 575e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu u32 value = 0x0; 585e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 595e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu 605e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu switch (mdp->phy_interface) { 615e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu case PHY_INTERFACE_MODE_GMII: 625e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu value = 0x2; 635e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu break; 645e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu case PHY_INTERFACE_MODE_MII: 655e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu value = 0x1; 665e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu break; 675e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu case PHY_INTERFACE_MODE_RMII: 685e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu value = 0x0; 695e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu break; 705e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu default: 715e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu pr_warn("PHY interface mode was not setup. Set to MII.\n"); 725e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu value = 0x1; 735e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu break; 745e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu } 755e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu 765e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu sh_eth_write(ndev, value, RMII_MII); 775e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu} 785e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu#endif 795e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu 80380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda/* There is CPU dependent code */ 8165ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda#if defined(CONFIG_CPU_SUBTYPE_SH7724) 8265ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda#define SH_ETH_RESET_DEFAULT 1 8365ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimodastatic void sh_eth_set_duplex(struct net_device *ndev) 8465ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda{ 8565ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 8665ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda 8765ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda if (mdp->duplex) /* Full */ 884a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, ECMR) | ECMR_DM, ECMR); 8965ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda else /* Half */ 904a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, ECMR) & ~ECMR_DM, ECMR); 9165ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda} 9265ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda 9365ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimodastatic void sh_eth_set_rate(struct net_device *ndev) 9465ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda{ 9565ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 9665ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda 9765ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda switch (mdp->speed) { 9865ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda case 10: /* 10BASE */ 994a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, ECMR) & ~ECMR_RTM, ECMR); 10065ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda break; 10165ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda case 100:/* 100BASE */ 1024a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, ECMR) | ECMR_RTM, ECMR); 10365ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda break; 10465ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda default: 10565ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda break; 10665ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda } 10765ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda} 10865ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda 10965ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda/* SH7724 */ 11065ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimodastatic struct sh_eth_cpu_data sh_eth_my_cpu_data = { 11165ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda .set_duplex = sh_eth_set_duplex, 11265ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda .set_rate = sh_eth_set_rate, 11365ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda 11465ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda .ecsr_value = ECSR_PSRTO | ECSR_LCHNG | ECSR_ICD, 11565ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda .ecsipr_value = ECSIPR_PSRTOIP | ECSIPR_LCHNGIP | ECSIPR_ICDIP, 11665ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda .eesipr_value = DMAC_M_RFRMER | DMAC_M_ECI | 0x01ff009f, 11765ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda 11865ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda .tx_check = EESR_FTC | EESR_CND | EESR_DLC | EESR_CD | EESR_RTO, 11965ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda .eesr_err_check = EESR_TWB | EESR_TABT | EESR_RABT | EESR_RDE | 12065ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda EESR_RFRMER | EESR_TFE | EESR_TDE | EESR_ECI, 12165ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda .tx_error_check = EESR_TWB | EESR_TABT | EESR_TDE | EESR_TFE, 12265ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda 12365ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda .apr = 1, 12465ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda .mpr = 1, 12565ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda .tpauser = 1, 12665ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda .hw_swap = 1, 127503914cf4a4b5dbe3f844e0a92f412ae99fde70eMagnus Damm .rpadir = 1, 128503914cf4a4b5dbe3f844e0a92f412ae99fde70eMagnus Damm .rpadir_value = 0x00020000, /* NET_IP_ALIGN assumed to be 2 */ 12965ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda}; 130f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda#elif defined(CONFIG_CPU_SUBTYPE_SH7757) 1318fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda#define SH_ETH_HAS_BOTH_MODULES 1 1328fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda#define SH_ETH_HAS_TSU 1 1335cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsustatic int sh_eth_check_reset(struct net_device *ndev); 1345cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu 135f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimodastatic void sh_eth_set_duplex(struct net_device *ndev) 136f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda{ 137f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 138f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda 139f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda if (mdp->duplex) /* Full */ 1404a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, ECMR) | ECMR_DM, ECMR); 141f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda else /* Half */ 1424a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, ECMR) & ~ECMR_DM, ECMR); 143f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda} 144f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda 145f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimodastatic void sh_eth_set_rate(struct net_device *ndev) 146f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda{ 147f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 148f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda 149f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda switch (mdp->speed) { 150f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda case 10: /* 10BASE */ 1514a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 0, RTRATE); 152f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda break; 153f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda case 100:/* 100BASE */ 1544a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 1, RTRATE); 155f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda break; 156f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda default: 157f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda break; 158f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda } 159f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda} 160f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda 161f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda/* SH7757 */ 162f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimodastatic struct sh_eth_cpu_data sh_eth_my_cpu_data = { 163f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda .set_duplex = sh_eth_set_duplex, 164f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda .set_rate = sh_eth_set_rate, 165f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda 166f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda .eesipr_value = DMAC_M_RFRMER | DMAC_M_ECI | 0x003fffff, 167f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda .rmcr_value = 0x00000001, 168f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda 169f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda .tx_check = EESR_FTC | EESR_CND | EESR_DLC | EESR_CD | EESR_RTO, 170f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda .eesr_err_check = EESR_TWB | EESR_TABT | EESR_RABT | EESR_RDE | 171f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda EESR_RFRMER | EESR_TFE | EESR_TDE | EESR_ECI, 172f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda .tx_error_check = EESR_TWB | EESR_TABT | EESR_TDE | EESR_TFE, 173f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda 174f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda .apr = 1, 175f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda .mpr = 1, 176f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda .tpauser = 1, 177f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda .hw_swap = 1, 178f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda .no_ade = 1, 1792e98e7974de208de0dab9e9969bd47576d07ff10Yoshihiro Shimoda .rpadir = 1, 1802e98e7974de208de0dab9e9969bd47576d07ff10Yoshihiro Shimoda .rpadir_value = 2 << 16, 181f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda}; 18265ac8851490ec97a96759af729132c96f925a795Yoshihiro Shimoda 1838fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda#define SH_GIGA_ETH_BASE 0xfee00000 1848fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda#define GIGA_MALR(port) (SH_GIGA_ETH_BASE + 0x800 * (port) + 0x05c8) 1858fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda#define GIGA_MAHR(port) (SH_GIGA_ETH_BASE + 0x800 * (port) + 0x05c0) 1868fcd496151b4354569283056076339239b86fabeYoshihiro Shimodastatic void sh_eth_chip_reset_giga(struct net_device *ndev) 1878fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda{ 1888fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda int i; 1898fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda unsigned long mahr[2], malr[2]; 1908fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda 1918fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda /* save MAHR and MALR */ 1928fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda for (i = 0; i < 2; i++) { 193ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda malr[i] = ioread32((void *)GIGA_MALR(i)); 194ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda mahr[i] = ioread32((void *)GIGA_MAHR(i)); 1958fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda } 1968fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda 1978fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda /* reset device */ 198ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda iowrite32(ARSTR_ARSTR, (void *)(SH_GIGA_ETH_BASE + 0x1800)); 1998fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda mdelay(1); 2008fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda 2018fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda /* restore MAHR and MALR */ 2028fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda for (i = 0; i < 2; i++) { 203ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda iowrite32(malr[i], (void *)GIGA_MALR(i)); 204ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda iowrite32(mahr[i], (void *)GIGA_MAHR(i)); 2058fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda } 2068fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda} 2078fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda 2088fcd496151b4354569283056076339239b86fabeYoshihiro Shimodastatic int sh_eth_is_gether(struct sh_eth_private *mdp); 2095cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsustatic int sh_eth_reset(struct net_device *ndev) 2108fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda{ 2118fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 2125cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu int ret = 0; 2138fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda 2148fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda if (sh_eth_is_gether(mdp)) { 2158fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda sh_eth_write(ndev, 0x03, EDSR); 2168fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, EDMR) | EDMR_SRST_GETHER, 2178fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda EDMR); 2185cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu 2195cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu ret = sh_eth_check_reset(ndev); 2205cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu if (ret) 2215cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu goto out; 2228fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda 2238fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda /* Table Init */ 2248fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda sh_eth_write(ndev, 0x0, TDLAR); 2258fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda sh_eth_write(ndev, 0x0, TDFAR); 2268fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda sh_eth_write(ndev, 0x0, TDFXR); 2278fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda sh_eth_write(ndev, 0x0, TDFFR); 2288fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda sh_eth_write(ndev, 0x0, RDLAR); 2298fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda sh_eth_write(ndev, 0x0, RDFAR); 2308fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda sh_eth_write(ndev, 0x0, RDFXR); 2318fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda sh_eth_write(ndev, 0x0, RDFFR); 2328fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda } else { 2338fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, EDMR) | EDMR_SRST_ETHER, 2348fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda EDMR); 2358fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda mdelay(3); 2368fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, EDMR) & ~EDMR_SRST_ETHER, 2378fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda EDMR); 2388fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda } 2395cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu 2405cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsuout: 2415cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu return ret; 2428fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda} 2438fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda 2448fcd496151b4354569283056076339239b86fabeYoshihiro Shimodastatic void sh_eth_set_duplex_giga(struct net_device *ndev) 2458fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda{ 2468fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 2478fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda 2488fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda if (mdp->duplex) /* Full */ 2498fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, ECMR) | ECMR_DM, ECMR); 2508fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda else /* Half */ 2518fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, ECMR) & ~ECMR_DM, ECMR); 2528fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda} 2538fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda 2548fcd496151b4354569283056076339239b86fabeYoshihiro Shimodastatic void sh_eth_set_rate_giga(struct net_device *ndev) 2558fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda{ 2568fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 2578fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda 2588fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda switch (mdp->speed) { 2598fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda case 10: /* 10BASE */ 2608fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda sh_eth_write(ndev, 0x00000000, GECMR); 2618fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda break; 2628fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda case 100:/* 100BASE */ 2638fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda sh_eth_write(ndev, 0x00000010, GECMR); 2648fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda break; 2658fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda case 1000: /* 1000BASE */ 2668fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda sh_eth_write(ndev, 0x00000020, GECMR); 2678fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda break; 2688fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda default: 2698fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda break; 2708fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda } 2718fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda} 2728fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda 2738fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda/* SH7757(GETHERC) */ 2748fcd496151b4354569283056076339239b86fabeYoshihiro Shimodastatic struct sh_eth_cpu_data sh_eth_my_cpu_data_giga = { 2758fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda .chip_reset = sh_eth_chip_reset_giga, 2768fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda .set_duplex = sh_eth_set_duplex_giga, 2778fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda .set_rate = sh_eth_set_rate_giga, 2788fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda 2798fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda .ecsr_value = ECSR_ICD | ECSR_MPD, 2808fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda .ecsipr_value = ECSIPR_LCHNGIP | ECSIPR_ICDIP | ECSIPR_MPDIP, 2818fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda .eesipr_value = DMAC_M_RFRMER | DMAC_M_ECI | 0x003fffff, 2828fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda 2838fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda .tx_check = EESR_TC1 | EESR_FTC, 2848fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda .eesr_err_check = EESR_TWB1 | EESR_TWB | EESR_TABT | EESR_RABT | \ 2858fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda EESR_RDE | EESR_RFRMER | EESR_TFE | EESR_TDE | \ 2868fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda EESR_ECI, 2878fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda .tx_error_check = EESR_TWB1 | EESR_TWB | EESR_TABT | EESR_TDE | \ 2888fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda EESR_TFE, 2898fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda .fdr_value = 0x0000072f, 2908fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda .rmcr_value = 0x00000001, 2918fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda 2928fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda .apr = 1, 2938fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda .mpr = 1, 2948fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda .tpauser = 1, 2958fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda .bculr = 1, 2968fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda .hw_swap = 1, 2978fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda .rpadir = 1, 2988fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda .rpadir_value = 2 << 16, 2998fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda .no_trimd = 1, 3008fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda .no_ade = 1, 3013acbc9715a5ac8a2534a69eb3488b63b7c9fb1e2Yoshihiro Shimoda .tsu = 1, 3028fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda}; 3038fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda 3048fcd496151b4354569283056076339239b86fabeYoshihiro Shimodastatic struct sh_eth_cpu_data *sh_eth_get_cpu_data(struct sh_eth_private *mdp) 3058fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda{ 3068fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda if (sh_eth_is_gether(mdp)) 3078fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda return &sh_eth_my_cpu_data_giga; 3088fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda else 3098fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda return &sh_eth_my_cpu_data; 3108fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda} 3118fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda 312f0e81fecd4f83de7854262c8a6b3af19dfa99bf9Nobuhiro Iwamatsu#elif defined(CONFIG_CPU_SUBTYPE_SH7734) || defined(CONFIG_CPU_SUBTYPE_SH7763) 313380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda#define SH_ETH_HAS_TSU 1 3145cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsustatic int sh_eth_check_reset(struct net_device *ndev); 315f0e81fecd4f83de7854262c8a6b3af19dfa99bf9Nobuhiro Iwamatsustatic void sh_eth_reset_hw_crc(struct net_device *ndev); 3165e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu 317380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimodastatic void sh_eth_chip_reset(struct net_device *ndev) 318380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda{ 3194986b996882d82c68ab54b822d7cfdd7dd35f19aYoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 3204986b996882d82c68ab54b822d7cfdd7dd35f19aYoshihiro Shimoda 321380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda /* reset device */ 3224986b996882d82c68ab54b822d7cfdd7dd35f19aYoshihiro Shimoda sh_eth_tsu_write(mdp, ARSTR_ARSTR, ARSTR); 323380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda mdelay(1); 324380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda} 325380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 326380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimodastatic void sh_eth_set_duplex(struct net_device *ndev) 327380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda{ 328380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 329380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 330380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (mdp->duplex) /* Full */ 3314a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, ECMR) | ECMR_DM, ECMR); 332380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda else /* Half */ 3334a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, ECMR) & ~ECMR_DM, ECMR); 334380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda} 335380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 336380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimodastatic void sh_eth_set_rate(struct net_device *ndev) 337380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda{ 338380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 339380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 340380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda switch (mdp->speed) { 341380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda case 10: /* 10BASE */ 3424a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, GECMR_10, GECMR); 343380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda break; 344380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda case 100:/* 100BASE */ 3454a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, GECMR_100, GECMR); 346380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda break; 347380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda case 1000: /* 1000BASE */ 3484a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, GECMR_1000, GECMR); 349380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda break; 350380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda default: 351380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda break; 352380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda } 353380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda} 354380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 355380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda/* sh7763 */ 356380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimodastatic struct sh_eth_cpu_data sh_eth_my_cpu_data = { 357380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .chip_reset = sh_eth_chip_reset, 358380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .set_duplex = sh_eth_set_duplex, 359380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .set_rate = sh_eth_set_rate, 360380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 361380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .ecsr_value = ECSR_ICD | ECSR_MPD, 362380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .ecsipr_value = ECSIPR_LCHNGIP | ECSIPR_ICDIP | ECSIPR_MPDIP, 363380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .eesipr_value = DMAC_M_RFRMER | DMAC_M_ECI | 0x003fffff, 364380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 365380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .tx_check = EESR_TC1 | EESR_FTC, 366380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .eesr_err_check = EESR_TWB1 | EESR_TWB | EESR_TABT | EESR_RABT | \ 367380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda EESR_RDE | EESR_RFRMER | EESR_TFE | EESR_TDE | \ 368380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda EESR_ECI, 369380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .tx_error_check = EESR_TWB1 | EESR_TWB | EESR_TABT | EESR_TDE | \ 370380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda EESR_TFE, 371380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 372380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .apr = 1, 373380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .mpr = 1, 374380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .tpauser = 1, 375380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .bculr = 1, 376380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .hw_swap = 1, 377380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .no_trimd = 1, 378380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .no_ade = 1, 3794986b996882d82c68ab54b822d7cfdd7dd35f19aYoshihiro Shimoda .tsu = 1, 380f0e81fecd4f83de7854262c8a6b3af19dfa99bf9Nobuhiro Iwamatsu#if defined(CONFIG_CPU_SUBTYPE_SH7734) 381f0e81fecd4f83de7854262c8a6b3af19dfa99bf9Nobuhiro Iwamatsu .hw_crc = 1, 3825e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu .select_mii = 1, 383f0e81fecd4f83de7854262c8a6b3af19dfa99bf9Nobuhiro Iwamatsu#endif 384380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda}; 385380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 3865cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsustatic int sh_eth_reset(struct net_device *ndev) 3875e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu{ 3885cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu int ret = 0; 3895e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu 3905e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu sh_eth_write(ndev, EDSR_ENALL, EDSR); 3915e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu sh_eth_write(ndev, sh_eth_read(ndev, EDMR) | EDMR_SRST_GETHER, EDMR); 3925cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu 3935cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu ret = sh_eth_check_reset(ndev); 3945cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu if (ret) 3955cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu goto out; 3965e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu 3975e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu /* Table Init */ 3985e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu sh_eth_write(ndev, 0x0, TDLAR); 3995e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu sh_eth_write(ndev, 0x0, TDFAR); 4005e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu sh_eth_write(ndev, 0x0, TDFXR); 4015e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu sh_eth_write(ndev, 0x0, TDFFR); 4025e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu sh_eth_write(ndev, 0x0, RDLAR); 4035e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu sh_eth_write(ndev, 0x0, RDFAR); 4045e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu sh_eth_write(ndev, 0x0, RDFXR); 4055e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu sh_eth_write(ndev, 0x0, RDFFR); 4065e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu 4075e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu /* Reset HW CRC register */ 4085e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu sh_eth_reset_hw_crc(ndev); 4095e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu 4105e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu /* Select MII mode */ 4115e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu if (sh_eth_my_cpu_data.select_mii) 4125e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu sh_eth_select_mii(ndev); 4135cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsuout: 4145cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu return ret; 4155e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu} 4165e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu 417f0e81fecd4f83de7854262c8a6b3af19dfa99bf9Nobuhiro Iwamatsustatic void sh_eth_reset_hw_crc(struct net_device *ndev) 418f0e81fecd4f83de7854262c8a6b3af19dfa99bf9Nobuhiro Iwamatsu{ 419f0e81fecd4f83de7854262c8a6b3af19dfa99bf9Nobuhiro Iwamatsu if (sh_eth_my_cpu_data.hw_crc) 420f0e81fecd4f83de7854262c8a6b3af19dfa99bf9Nobuhiro Iwamatsu sh_eth_write(ndev, 0x0, CSMR); 421f0e81fecd4f83de7854262c8a6b3af19dfa99bf9Nobuhiro Iwamatsu} 422f0e81fecd4f83de7854262c8a6b3af19dfa99bf9Nobuhiro Iwamatsu 42373a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda#elif defined(CONFIG_ARCH_R8A7740) 42473a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda#define SH_ETH_HAS_TSU 1 4255cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsustatic int sh_eth_check_reset(struct net_device *ndev); 4265cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu 42773a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimodastatic void sh_eth_chip_reset(struct net_device *ndev) 42873a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda{ 42973a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 43073a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda 43173a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda /* reset device */ 43273a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda sh_eth_tsu_write(mdp, ARSTR_ARSTR, ARSTR); 43373a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda mdelay(1); 43473a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda 4355e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu sh_eth_select_mii(ndev); 43673a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda} 43773a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda 4385cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsustatic int sh_eth_reset(struct net_device *ndev) 43973a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda{ 4405cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu int ret = 0; 44173a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda 44273a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda sh_eth_write(ndev, EDSR_ENALL, EDSR); 44373a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, EDMR) | EDMR_SRST_GETHER, EDMR); 4445cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu 4455cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu ret = sh_eth_check_reset(ndev); 4465cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu if (ret) 4475cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu goto out; 44873a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda 44973a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda /* Table Init */ 45073a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda sh_eth_write(ndev, 0x0, TDLAR); 45173a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda sh_eth_write(ndev, 0x0, TDFAR); 45273a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda sh_eth_write(ndev, 0x0, TDFXR); 45373a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda sh_eth_write(ndev, 0x0, TDFFR); 45473a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda sh_eth_write(ndev, 0x0, RDLAR); 45573a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda sh_eth_write(ndev, 0x0, RDFAR); 45673a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda sh_eth_write(ndev, 0x0, RDFXR); 45773a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda sh_eth_write(ndev, 0x0, RDFFR); 4585cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu 4595cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsuout: 4605cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu return ret; 46173a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda} 46273a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda 46373a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimodastatic void sh_eth_set_duplex(struct net_device *ndev) 46473a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda{ 46573a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 46673a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda 46773a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda if (mdp->duplex) /* Full */ 46873a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, ECMR) | ECMR_DM, ECMR); 46973a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda else /* Half */ 47073a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, ECMR) & ~ECMR_DM, ECMR); 47173a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda} 47273a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda 47373a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimodastatic void sh_eth_set_rate(struct net_device *ndev) 47473a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda{ 47573a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 47673a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda 47773a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda switch (mdp->speed) { 47873a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda case 10: /* 10BASE */ 47973a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda sh_eth_write(ndev, GECMR_10, GECMR); 48073a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda break; 48173a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda case 100:/* 100BASE */ 48273a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda sh_eth_write(ndev, GECMR_100, GECMR); 48373a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda break; 48473a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda case 1000: /* 1000BASE */ 48573a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda sh_eth_write(ndev, GECMR_1000, GECMR); 48673a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda break; 48773a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda default: 48873a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda break; 48973a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda } 49073a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda} 49173a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda 49273a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda/* R8A7740 */ 49373a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimodastatic struct sh_eth_cpu_data sh_eth_my_cpu_data = { 49473a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda .chip_reset = sh_eth_chip_reset, 49573a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda .set_duplex = sh_eth_set_duplex, 49673a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda .set_rate = sh_eth_set_rate, 49773a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda 49873a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda .ecsr_value = ECSR_ICD | ECSR_MPD, 49973a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda .ecsipr_value = ECSIPR_LCHNGIP | ECSIPR_ICDIP | ECSIPR_MPDIP, 50073a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda .eesipr_value = DMAC_M_RFRMER | DMAC_M_ECI | 0x003fffff, 50173a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda 50273a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda .tx_check = EESR_TC1 | EESR_FTC, 50373a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda .eesr_err_check = EESR_TWB1 | EESR_TWB | EESR_TABT | EESR_RABT | \ 50473a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda EESR_RDE | EESR_RFRMER | EESR_TFE | EESR_TDE | \ 50573a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda EESR_ECI, 50673a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda .tx_error_check = EESR_TWB1 | EESR_TWB | EESR_TABT | EESR_TDE | \ 50773a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda EESR_TFE, 50873a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda 50973a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda .apr = 1, 51073a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda .mpr = 1, 51173a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda .tpauser = 1, 51273a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda .bculr = 1, 51373a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda .hw_swap = 1, 51473a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda .no_trimd = 1, 51573a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda .no_ade = 1, 51673a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda .tsu = 1, 5175e7a76be0e48217aff6b6f34bdcce4725db999e2Nobuhiro Iwamatsu .select_mii = 1, 51873a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda}; 51973a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda 520380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda#elif defined(CONFIG_CPU_SUBTYPE_SH7619) 521380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda#define SH_ETH_RESET_DEFAULT 1 522380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimodastatic struct sh_eth_cpu_data sh_eth_my_cpu_data = { 523380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .eesipr_value = DMAC_M_RFRMER | DMAC_M_ECI | 0x003fffff, 524380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 525380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .apr = 1, 526380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .mpr = 1, 527380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .tpauser = 1, 528380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .hw_swap = 1, 529380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda}; 530380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda#elif defined(CONFIG_CPU_SUBTYPE_SH7710) || defined(CONFIG_CPU_SUBTYPE_SH7712) 531380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda#define SH_ETH_RESET_DEFAULT 1 532380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda#define SH_ETH_HAS_TSU 1 533380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimodastatic struct sh_eth_cpu_data sh_eth_my_cpu_data = { 534380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda .eesipr_value = DMAC_M_RFRMER | DMAC_M_ECI | 0x003fffff, 5354986b996882d82c68ab54b822d7cfdd7dd35f19aYoshihiro Shimoda .tsu = 1, 536380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda}; 537380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda#endif 538380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 539380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimodastatic void sh_eth_set_default_cpu_data(struct sh_eth_cpu_data *cd) 540380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda{ 541380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (!cd->ecsr_value) 542380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda cd->ecsr_value = DEFAULT_ECSR_INIT; 543380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 544380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (!cd->ecsipr_value) 545380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda cd->ecsipr_value = DEFAULT_ECSIPR_INIT; 546380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 547380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (!cd->fcftr_value) 548380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda cd->fcftr_value = DEFAULT_FIFO_F_D_RFF | \ 549380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda DEFAULT_FIFO_F_D_RFD; 550380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 551380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (!cd->fdr_value) 552380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda cd->fdr_value = DEFAULT_FDR_INIT; 553380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 554380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (!cd->rmcr_value) 555380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda cd->rmcr_value = DEFAULT_RMCR_VALUE; 556380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 557380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (!cd->tx_check) 558380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda cd->tx_check = DEFAULT_TX_CHECK; 559380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 560380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (!cd->eesr_err_check) 561380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda cd->eesr_err_check = DEFAULT_EESR_ERR_CHECK; 562380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 563380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (!cd->tx_error_check) 564380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda cd->tx_error_check = DEFAULT_TX_ERROR_CHECK; 565380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda} 566380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 567380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda#if defined(SH_ETH_RESET_DEFAULT) 568380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda/* Chip Reset */ 5695cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsustatic int sh_eth_reset(struct net_device *ndev) 570380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda{ 571c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, EDMR) | EDMR_SRST_ETHER, EDMR); 572380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda mdelay(3); 573c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, EDMR) & ~EDMR_SRST_ETHER, EDMR); 5745cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu 5755cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu return 0; 5765cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu} 5775cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu#else 5785cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsustatic int sh_eth_check_reset(struct net_device *ndev) 5795cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu{ 5805cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu int ret = 0; 5815cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu int cnt = 100; 5825cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu 5835cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu while (cnt > 0) { 5845cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu if (!(sh_eth_read(ndev, EDMR) & 0x3)) 5855cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu break; 5865cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu mdelay(1); 5875cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu cnt--; 5885cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu } 5895cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu if (cnt < 0) { 5905cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu printk(KERN_ERR "Device reset fail\n"); 5915cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu ret = -ETIMEDOUT; 5925cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu } 5935cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu return ret; 594380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda} 595380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda#endif 596380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 59773a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda#if defined(CONFIG_CPU_SH4) || defined(CONFIG_ARCH_SHMOBILE) 598380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimodastatic void sh_eth_set_receive_align(struct sk_buff *skb) 599380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda{ 600380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda int reserve; 601380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 602380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda reserve = SH4_SKB_RX_ALIGN - ((u32)skb->data & (SH4_SKB_RX_ALIGN - 1)); 603380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (reserve) 604380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda skb_reserve(skb, reserve); 605380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda} 606380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda#else 607380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimodastatic void sh_eth_set_receive_align(struct sk_buff *skb) 608380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda{ 609380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda skb_reserve(skb, SH2_SH3_SKB_RX_ALIGN); 610380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda} 611380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda#endif 612380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 613380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 61471557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato/* CPU <-> EDMAC endian convert */ 61571557a37adb5df17631c493b3b7d912938c720b2Yoshinori Satostatic inline __u32 cpu_to_edmac(struct sh_eth_private *mdp, u32 x) 61671557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato{ 61771557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato switch (mdp->edmac_endian) { 61871557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato case EDMAC_LITTLE_ENDIAN: 61971557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato return cpu_to_le32(x); 62071557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato case EDMAC_BIG_ENDIAN: 62171557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato return cpu_to_be32(x); 62271557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato } 62371557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato return x; 62471557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato} 62571557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato 62671557a37adb5df17631c493b3b7d912938c720b2Yoshinori Satostatic inline __u32 edmac_to_cpu(struct sh_eth_private *mdp, u32 x) 62771557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato{ 62871557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato switch (mdp->edmac_endian) { 62971557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato case EDMAC_LITTLE_ENDIAN: 63071557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato return le32_to_cpu(x); 63171557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato case EDMAC_BIG_ENDIAN: 63271557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato return be32_to_cpu(x); 63371557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato } 63471557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato return x; 63571557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato} 63671557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato 63786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* 63886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * Program the hardware MAC address from dev->dev_addr. 63986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu */ 64086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic void update_mac_address(struct net_device *ndev) 64186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 6424a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 6434a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda (ndev->dev_addr[0] << 24) | (ndev->dev_addr[1] << 16) | 6444a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda (ndev->dev_addr[2] << 8) | (ndev->dev_addr[3]), MAHR); 6454a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 6464a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda (ndev->dev_addr[4] << 8) | (ndev->dev_addr[5]), MALR); 64786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 64886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 64986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* 65086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * Get MAC address from SuperH MAC address register 65186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * 65286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * SuperH's Ethernet device doesn't have 'ROM' to MAC address. 65386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * This driver get MAC address that use by bootloader(U-boot or sh-ipl+g). 65486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * When you want use this device, you must set MAC address in bootloader. 65586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * 65686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu */ 657748031f9fd2c06b28817d80761a5de97190cfd03Magnus Dammstatic void read_mac_address(struct net_device *ndev, unsigned char *mac) 65886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 659748031f9fd2c06b28817d80761a5de97190cfd03Magnus Damm if (mac[0] || mac[1] || mac[2] || mac[3] || mac[4] || mac[5]) { 660748031f9fd2c06b28817d80761a5de97190cfd03Magnus Damm memcpy(ndev->dev_addr, mac, 6); 661748031f9fd2c06b28817d80761a5de97190cfd03Magnus Damm } else { 6624a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda ndev->dev_addr[0] = (sh_eth_read(ndev, MAHR) >> 24); 6634a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda ndev->dev_addr[1] = (sh_eth_read(ndev, MAHR) >> 16) & 0xFF; 6644a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda ndev->dev_addr[2] = (sh_eth_read(ndev, MAHR) >> 8) & 0xFF; 6654a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda ndev->dev_addr[3] = (sh_eth_read(ndev, MAHR) & 0xFF); 6664a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda ndev->dev_addr[4] = (sh_eth_read(ndev, MALR) >> 8) & 0xFF; 6674a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda ndev->dev_addr[5] = (sh_eth_read(ndev, MALR) & 0xFF); 668748031f9fd2c06b28817d80761a5de97190cfd03Magnus Damm } 66986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 67086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 671c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimodastatic int sh_eth_is_gether(struct sh_eth_private *mdp) 672c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda{ 673c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda if (mdp->reg_offset == sh_eth_offset_gigabit) 674c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda return 1; 675c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda else 676c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda return 0; 677c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda} 678c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda 679c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimodastatic unsigned long sh_eth_get_edtrr_trns(struct sh_eth_private *mdp) 680c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda{ 681c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda if (sh_eth_is_gether(mdp)) 682c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda return EDTRR_TRNS_GETHER; 683c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda else 684c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda return EDTRR_TRNS_ETHER; 685c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda} 686c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda 68786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustruct bb_info { 688ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda void (*set_gate)(void *addr); 68986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct mdiobb_ctrl ctrl; 690ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda void *addr; 69186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu u32 mmd_msk;/* MMD */ 69286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu u32 mdo_msk; 69386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu u32 mdi_msk; 69486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu u32 mdc_msk; 69586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu}; 69686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 69786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* PHY bit set */ 698ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimodastatic void bb_set(void *addr, u32 msk) 69986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 700ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda iowrite32(ioread32(addr) | msk, addr); 70186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 70286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 70386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* PHY bit clear */ 704ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimodastatic void bb_clr(void *addr, u32 msk) 70586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 706ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda iowrite32((ioread32(addr) & ~msk), addr); 70786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 70886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 70986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* PHY bit read */ 710ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimodastatic int bb_read(void *addr, u32 msk) 71186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 712ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda return (ioread32(addr) & msk) != 0; 71386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 71486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 71586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* Data I/O pin control */ 71686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic void sh_mmd_ctrl(struct mdiobb_ctrl *ctrl, int bit) 71786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 71886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct bb_info *bitbang = container_of(ctrl, struct bb_info, ctrl); 719b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda 720b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda if (bitbang->set_gate) 721b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda bitbang->set_gate(bitbang->addr); 722b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda 72386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (bit) 72486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu bb_set(bitbang->addr, bitbang->mmd_msk); 72586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu else 72686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu bb_clr(bitbang->addr, bitbang->mmd_msk); 72786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 72886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 72986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* Set bit data*/ 73086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic void sh_set_mdio(struct mdiobb_ctrl *ctrl, int bit) 73186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 73286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct bb_info *bitbang = container_of(ctrl, struct bb_info, ctrl); 73386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 734b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda if (bitbang->set_gate) 735b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda bitbang->set_gate(bitbang->addr); 736b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda 73786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (bit) 73886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu bb_set(bitbang->addr, bitbang->mdo_msk); 73986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu else 74086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu bb_clr(bitbang->addr, bitbang->mdo_msk); 74186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 74286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 74386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* Get bit data*/ 74486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic int sh_get_mdio(struct mdiobb_ctrl *ctrl) 74586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 74686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct bb_info *bitbang = container_of(ctrl, struct bb_info, ctrl); 747b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda 748b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda if (bitbang->set_gate) 749b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda bitbang->set_gate(bitbang->addr); 750b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda 75186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return bb_read(bitbang->addr, bitbang->mdi_msk); 75286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 75386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 75486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* MDC pin control */ 75586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic void sh_mdc_ctrl(struct mdiobb_ctrl *ctrl, int bit) 75686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 75786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct bb_info *bitbang = container_of(ctrl, struct bb_info, ctrl); 75886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 759b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda if (bitbang->set_gate) 760b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda bitbang->set_gate(bitbang->addr); 761b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda 76286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (bit) 76386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu bb_set(bitbang->addr, bitbang->mdc_msk); 76486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu else 76586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu bb_clr(bitbang->addr, bitbang->mdc_msk); 76686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 76786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 76886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* mdio bus control struct */ 76986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic struct mdiobb_ops bb_ops = { 77086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu .owner = THIS_MODULE, 77186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu .set_mdc = sh_mdc_ctrl, 77286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu .set_mdio_dir = sh_mmd_ctrl, 77386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu .set_mdio_data = sh_set_mdio, 77486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu .get_mdio_data = sh_get_mdio, 77586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu}; 77686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 77786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* free skb and descriptor buffer */ 77886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic void sh_eth_ring_free(struct net_device *ndev) 77986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 78086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 78186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu int i; 78286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 78386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Free Rx skb ringbuffer */ 78486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (mdp->rx_skbuff) { 78586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu for (i = 0; i < RX_RING_SIZE; i++) { 78686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (mdp->rx_skbuff[i]) 78786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu dev_kfree_skb(mdp->rx_skbuff[i]); 78886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 78986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 79086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu kfree(mdp->rx_skbuff); 79191c77550000a7d888aaf9f9ac13e3e3485d18560Yoshihiro Shimoda mdp->rx_skbuff = NULL; 79286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 79386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Free Tx skb ringbuffer */ 79486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (mdp->tx_skbuff) { 79586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu for (i = 0; i < TX_RING_SIZE; i++) { 79686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (mdp->tx_skbuff[i]) 79786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu dev_kfree_skb(mdp->tx_skbuff[i]); 79886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 79986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 80086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu kfree(mdp->tx_skbuff); 80191c77550000a7d888aaf9f9ac13e3e3485d18560Yoshihiro Shimoda mdp->tx_skbuff = NULL; 80286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 80386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 80486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* format skb and descriptor buffer */ 80586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic void sh_eth_ring_format(struct net_device *ndev) 80686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 80786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 80886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu int i; 80986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sk_buff *skb; 81086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_rxdesc *rxdesc = NULL; 81186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_txdesc *txdesc = NULL; 81286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu int rx_ringsize = sizeof(*rxdesc) * RX_RING_SIZE; 81386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu int tx_ringsize = sizeof(*txdesc) * TX_RING_SIZE; 81486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 81586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->cur_rx = mdp->cur_tx = 0; 81686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->dirty_rx = mdp->dirty_tx = 0; 81786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 81886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu memset(mdp->rx_ring, 0, rx_ringsize); 81986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 82086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* build Rx ring buffer */ 82186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu for (i = 0; i < RX_RING_SIZE; i++) { 82286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* skb */ 82386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->rx_skbuff[i] = NULL; 824dae2e9f430c46c29e3f771110094bd3da3625aa4Pradeep A. Dalvi skb = netdev_alloc_skb(ndev, mdp->rx_buf_sz); 82586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->rx_skbuff[i] = skb; 82686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (skb == NULL) 82786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu break; 828bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet dma_map_single(&ndev->dev, skb->data, mdp->rx_buf_sz, 829e88aae7bb1dc50457489d1d7c81dcf4db23ccf94Yoshihiro Shimoda DMA_FROM_DEVICE); 830380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda sh_eth_set_receive_align(skb); 831380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 83286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* RX descriptor */ 83386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu rxdesc = &mdp->rx_ring[i]; 8340029d64af5d72049e2170e4609fa83bd1f3f07cdYoshihiro Shimoda rxdesc->addr = virt_to_phys(PTR_ALIGN(skb->data, 4)); 83571557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato rxdesc->status = cpu_to_edmac(mdp, RD_RACT | RD_RFP); 83686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 83786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* The size of the buffer is 16 byte boundary. */ 8380029d64af5d72049e2170e4609fa83bd1f3f07cdYoshihiro Shimoda rxdesc->buffer_length = ALIGN(mdp->rx_buf_sz, 16); 839b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu /* Rx descriptor address set */ 840b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu if (i == 0) { 8414a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, mdp->rx_desc_dma, RDLAR); 842c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda if (sh_eth_is_gether(mdp)) 843c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda sh_eth_write(ndev, mdp->rx_desc_dma, RDFAR); 844b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu } 84586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 84686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 84786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->dirty_rx = (u32) (i - RX_RING_SIZE); 84886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 84986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Mark the last entry as wrapping the ring. */ 85071557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato rxdesc->status |= cpu_to_edmac(mdp, RD_RDEL); 85186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 85286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu memset(mdp->tx_ring, 0, tx_ringsize); 85386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 85486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* build Tx ring buffer */ 85586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu for (i = 0; i < TX_RING_SIZE; i++) { 85686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->tx_skbuff[i] = NULL; 85786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu txdesc = &mdp->tx_ring[i]; 85871557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato txdesc->status = cpu_to_edmac(mdp, TD_TFP); 85986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu txdesc->buffer_length = 0; 860b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu if (i == 0) { 86171557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato /* Tx descriptor address set */ 8624a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, mdp->tx_desc_dma, TDLAR); 863c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda if (sh_eth_is_gether(mdp)) 864c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda sh_eth_write(ndev, mdp->tx_desc_dma, TDFAR); 865b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu } 86686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 86786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 86871557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato txdesc->status |= cpu_to_edmac(mdp, TD_TDLE); 86986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 87086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 87186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* Get skb and descriptor buffer */ 87286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic int sh_eth_ring_init(struct net_device *ndev) 87386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 87486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 87586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu int rx_ringsize, tx_ringsize, ret = 0; 87686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 87786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* 87886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * +26 gets the maximum ethernet encapsulation, +7 & ~7 because the 87986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * card needs room to do 8 byte alignment, +2 so we can reserve 88086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * the first 2 bytes, and +16 gets room for the status word from the 88186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu * card. 88286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu */ 88386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->rx_buf_sz = (ndev->mtu <= 1492 ? PKT_BUF_SZ : 88486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu (((ndev->mtu + 26 + 7) & ~7) + 2 + 16)); 885503914cf4a4b5dbe3f844e0a92f412ae99fde70eMagnus Damm if (mdp->cd->rpadir) 886503914cf4a4b5dbe3f844e0a92f412ae99fde70eMagnus Damm mdp->rx_buf_sz += NET_IP_ALIGN; 88786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 88886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Allocate RX and TX skb rings */ 88986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->rx_skbuff = kmalloc(sizeof(*mdp->rx_skbuff) * RX_RING_SIZE, 89086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu GFP_KERNEL); 89186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (!mdp->rx_skbuff) { 892380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda dev_err(&ndev->dev, "Cannot allocate Rx skb\n"); 89386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ret = -ENOMEM; 89486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return ret; 89586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 89686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 89786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->tx_skbuff = kmalloc(sizeof(*mdp->tx_skbuff) * TX_RING_SIZE, 89886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu GFP_KERNEL); 89986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (!mdp->tx_skbuff) { 900380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda dev_err(&ndev->dev, "Cannot allocate Tx skb\n"); 90186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ret = -ENOMEM; 90286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu goto skb_ring_free; 90386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 90486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 90586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Allocate all Rx descriptors. */ 90686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu rx_ringsize = sizeof(struct sh_eth_rxdesc) * RX_RING_SIZE; 90786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->rx_ring = dma_alloc_coherent(NULL, rx_ringsize, &mdp->rx_desc_dma, 90886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu GFP_KERNEL); 90986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 91086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (!mdp->rx_ring) { 911380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda dev_err(&ndev->dev, "Cannot allocate Rx Ring (size %d bytes)\n", 912380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda rx_ringsize); 91386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ret = -ENOMEM; 91486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu goto desc_ring_free; 91586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 91686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 91786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->dirty_rx = 0; 91886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 91986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Allocate all Tx descriptors. */ 92086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu tx_ringsize = sizeof(struct sh_eth_txdesc) * TX_RING_SIZE; 92186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->tx_ring = dma_alloc_coherent(NULL, tx_ringsize, &mdp->tx_desc_dma, 92286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu GFP_KERNEL); 92386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (!mdp->tx_ring) { 924380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda dev_err(&ndev->dev, "Cannot allocate Tx Ring (size %d bytes)\n", 925380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda tx_ringsize); 92686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ret = -ENOMEM; 92786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu goto desc_ring_free; 92886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 92986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return ret; 93086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 93186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsudesc_ring_free: 93286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* free DMA buffer */ 93386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu dma_free_coherent(NULL, rx_ringsize, mdp->rx_ring, mdp->rx_desc_dma); 93486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 93586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsuskb_ring_free: 93686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Free Rx and Tx skb ring buffer */ 93786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu sh_eth_ring_free(ndev); 93891c77550000a7d888aaf9f9ac13e3e3485d18560Yoshihiro Shimoda mdp->tx_ring = NULL; 93991c77550000a7d888aaf9f9ac13e3e3485d18560Yoshihiro Shimoda mdp->rx_ring = NULL; 94086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 94186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return ret; 94286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 94386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 94491c77550000a7d888aaf9f9ac13e3e3485d18560Yoshihiro Shimodastatic void sh_eth_free_dma_buffer(struct sh_eth_private *mdp) 94591c77550000a7d888aaf9f9ac13e3e3485d18560Yoshihiro Shimoda{ 94691c77550000a7d888aaf9f9ac13e3e3485d18560Yoshihiro Shimoda int ringsize; 94791c77550000a7d888aaf9f9ac13e3e3485d18560Yoshihiro Shimoda 94891c77550000a7d888aaf9f9ac13e3e3485d18560Yoshihiro Shimoda if (mdp->rx_ring) { 94991c77550000a7d888aaf9f9ac13e3e3485d18560Yoshihiro Shimoda ringsize = sizeof(struct sh_eth_rxdesc) * RX_RING_SIZE; 95091c77550000a7d888aaf9f9ac13e3e3485d18560Yoshihiro Shimoda dma_free_coherent(NULL, ringsize, mdp->rx_ring, 95191c77550000a7d888aaf9f9ac13e3e3485d18560Yoshihiro Shimoda mdp->rx_desc_dma); 95291c77550000a7d888aaf9f9ac13e3e3485d18560Yoshihiro Shimoda mdp->rx_ring = NULL; 95391c77550000a7d888aaf9f9ac13e3e3485d18560Yoshihiro Shimoda } 95491c77550000a7d888aaf9f9ac13e3e3485d18560Yoshihiro Shimoda 95591c77550000a7d888aaf9f9ac13e3e3485d18560Yoshihiro Shimoda if (mdp->tx_ring) { 95691c77550000a7d888aaf9f9ac13e3e3485d18560Yoshihiro Shimoda ringsize = sizeof(struct sh_eth_txdesc) * TX_RING_SIZE; 95791c77550000a7d888aaf9f9ac13e3e3485d18560Yoshihiro Shimoda dma_free_coherent(NULL, ringsize, mdp->tx_ring, 95891c77550000a7d888aaf9f9ac13e3e3485d18560Yoshihiro Shimoda mdp->tx_desc_dma); 95991c77550000a7d888aaf9f9ac13e3e3485d18560Yoshihiro Shimoda mdp->tx_ring = NULL; 96091c77550000a7d888aaf9f9ac13e3e3485d18560Yoshihiro Shimoda } 96191c77550000a7d888aaf9f9ac13e3e3485d18560Yoshihiro Shimoda} 96291c77550000a7d888aaf9f9ac13e3e3485d18560Yoshihiro Shimoda 96386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic int sh_eth_dev_init(struct net_device *ndev) 96486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 96586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu int ret = 0; 96686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 96786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu u32 val; 96886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 96986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Soft Reset */ 9705cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu ret = sh_eth_reset(ndev); 9715cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu if (ret) 9725cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsu goto out; 97386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 974b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu /* Descriptor format */ 975b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu sh_eth_ring_format(ndev); 976380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (mdp->cd->rpadir) 9774a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, mdp->cd->rpadir_value, RPADIR); 97886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 97986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* all sh_eth int mask */ 9804a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 0, EESIPR); 98186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 98210b9194f959608368ed89df1937f17cfe6bd6d84Yoshihiro Shimoda#if defined(__LITTLE_ENDIAN) 983380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (mdp->cd->hw_swap) 9844a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, EDMR_EL, EDMR); 985380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda else 986b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu#endif 9874a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 0, EDMR); 98886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 989b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu /* FIFO size set */ 9904a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, mdp->cd->fdr_value, FDR); 9914a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 0, TFTR); 99286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 993b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu /* Frame recv control */ 9944a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, mdp->cd->rmcr_value, RMCR); 99586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 9962ecbb783c3bf5a63f555c39deef308dcc1902b7fYoshihiro Shimoda sh_eth_write(ndev, DESC_I_RINT8 | DESC_I_RINT5 | DESC_I_TINT2, TRSCER); 99786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 998380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (mdp->cd->bculr) 9994a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 0x800, BCULR); /* Burst sycle set */ 1000b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu 10014a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, mdp->cd->fcftr_value, FCFTR); 100286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1003380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (!mdp->cd->no_trimd) 10044a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 0, TRIMD); 100586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1006b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu /* Recv frame limit set register */ 1007fdb37a7f84a58ccad24abffd54ad46d23b763e13Yoshihiro Shimoda sh_eth_write(ndev, ndev->mtu + ETH_HLEN + VLAN_HLEN + ETH_FCS_LEN, 1008fdb37a7f84a58ccad24abffd54ad46d23b763e13Yoshihiro Shimoda RFLR); 100986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 10104a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, EESR), EESR); 10114a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, mdp->cd->eesipr_value, EESIPR); 101286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 101386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* PAUSE Prohibition */ 10144a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda val = (sh_eth_read(ndev, ECMR) & ECMR_DM) | 101586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ECMR_ZPF | (mdp->duplex ? ECMR_DM : 0) | ECMR_TE | ECMR_RE; 101686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 10174a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, val, ECMR); 1018b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu 1019380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (mdp->cd->set_rate) 1020380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda mdp->cd->set_rate(ndev); 1021380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 1022b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu /* E-MAC Status Register clear */ 10234a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, mdp->cd->ecsr_value, ECSR); 1024b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu 1025b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu /* E-MAC Interrupt Enable register */ 10264a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, mdp->cd->ecsipr_value, ECSIPR); 102786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 102886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Set MAC address */ 102986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu update_mac_address(ndev); 103086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 103186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* mask reset */ 1032380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (mdp->cd->apr) 10334a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, APR_AP, APR); 1034380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (mdp->cd->mpr) 10354a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, MPR_MP, MPR); 1036380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (mdp->cd->tpauser) 10374a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, TPAUSER_UNLIMITED, TPAUSER); 1038b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu 103986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Setting the Rx mode will start the Rx process. */ 10404a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, EDRRR_R, EDRRR); 104186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 104286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu netif_start_queue(ndev); 104386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 10445cee1d37c9f565f1aa515408863dbb13db67dab9Nobuhiro Iwamatsuout: 104586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return ret; 104686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 104786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 104886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* free Tx skb function */ 104986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic int sh_eth_txfree(struct net_device *ndev) 105086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 105186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 105286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_txdesc *txdesc; 105386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu int freeNum = 0; 105486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu int entry = 0; 105586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 105686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu for (; mdp->cur_tx - mdp->dirty_tx > 0; mdp->dirty_tx++) { 105786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu entry = mdp->dirty_tx % TX_RING_SIZE; 105886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu txdesc = &mdp->tx_ring[entry]; 105971557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato if (txdesc->status & cpu_to_edmac(mdp, TD_TACT)) 106086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu break; 106186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Free the original skb. */ 106286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (mdp->tx_skbuff[entry]) { 106331fcb99d9958bdf04e84224e202f69e6cdac893bYoshihiro Shimoda dma_unmap_single(&ndev->dev, txdesc->addr, 106431fcb99d9958bdf04e84224e202f69e6cdac893bYoshihiro Shimoda txdesc->buffer_length, DMA_TO_DEVICE); 106586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu dev_kfree_skb_irq(mdp->tx_skbuff[entry]); 106686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->tx_skbuff[entry] = NULL; 106786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu freeNum++; 106886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 106971557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato txdesc->status = cpu_to_edmac(mdp, TD_TFP); 107086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (entry >= TX_RING_SIZE - 1) 107171557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato txdesc->status |= cpu_to_edmac(mdp, TD_TDLE); 107286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1073bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.tx_packets++; 1074bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.tx_bytes += txdesc->buffer_length; 107586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 107686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return freeNum; 107786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 107886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 107986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* Packet receive function */ 1080a18e08bdcf845efb7344cea146e683df746bbfb4Yoshihiro Shimodastatic int sh_eth_rx(struct net_device *ndev, u32 intr_status) 108186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 108286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 108386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_rxdesc *rxdesc; 108486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 108586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu int entry = mdp->cur_rx % RX_RING_SIZE; 108686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu int boguscnt = (mdp->dirty_rx + RX_RING_SIZE) - mdp->cur_rx; 108786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sk_buff *skb; 108886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu u16 pkt_len = 0; 1089380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda u32 desc_status; 109086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 109186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu rxdesc = &mdp->rx_ring[entry]; 109271557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato while (!(rxdesc->status & cpu_to_edmac(mdp, RD_RACT))) { 109371557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato desc_status = edmac_to_cpu(mdp, rxdesc->status); 109486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu pkt_len = rxdesc->frame_length; 109586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 109673a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda#if defined(CONFIG_ARCH_R8A7740) 109773a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda desc_status >>= 16; 109873a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda#endif 109973a0d907301ece200d32b4e8ba2da2ca296b507fYoshihiro Shimoda 110086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (--boguscnt < 0) 110186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu break; 110286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 110386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (!(desc_status & RDFEND)) 1104bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.rx_length_errors++; 110586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 110686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (desc_status & (RD_RFS1 | RD_RFS2 | RD_RFS3 | RD_RFS4 | 110786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu RD_RFS5 | RD_RFS6 | RD_RFS10)) { 1108bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.rx_errors++; 110986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (desc_status & RD_RFS1) 1110bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.rx_crc_errors++; 111186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (desc_status & RD_RFS2) 1112bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.rx_frame_errors++; 111386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (desc_status & RD_RFS3) 1114bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.rx_length_errors++; 111586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (desc_status & RD_RFS4) 1116bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.rx_length_errors++; 111786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (desc_status & RD_RFS6) 1118bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.rx_missed_errors++; 111986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (desc_status & RD_RFS10) 1120bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.rx_over_errors++; 112186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } else { 1122380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (!mdp->cd->hw_swap) 1123380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda sh_eth_soft_swap( 1124380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda phys_to_virt(ALIGN(rxdesc->addr, 4)), 1125380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda pkt_len + 2); 112686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu skb = mdp->rx_skbuff[entry]; 112786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->rx_skbuff[entry] = NULL; 1128503914cf4a4b5dbe3f844e0a92f412ae99fde70eMagnus Damm if (mdp->cd->rpadir) 1129503914cf4a4b5dbe3f844e0a92f412ae99fde70eMagnus Damm skb_reserve(skb, NET_IP_ALIGN); 113086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu skb_put(skb, pkt_len); 113186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu skb->protocol = eth_type_trans(skb, ndev); 113286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu netif_rx(skb); 1133bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.rx_packets++; 1134bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.rx_bytes += pkt_len; 113586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 113671557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato rxdesc->status |= cpu_to_edmac(mdp, RD_RACT); 113786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu entry = (++mdp->cur_rx) % RX_RING_SIZE; 1138862df49750e7ca9369c04d8d8105b3cc5d976e0dYoshihiro Shimoda rxdesc = &mdp->rx_ring[entry]; 113986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 114086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 114186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Refill the Rx ring buffers. */ 114286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu for (; mdp->cur_rx - mdp->dirty_rx > 0; mdp->dirty_rx++) { 114386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu entry = mdp->dirty_rx % RX_RING_SIZE; 114486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu rxdesc = &mdp->rx_ring[entry]; 1145b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu /* The size of the buffer is 16 byte boundary. */ 11460029d64af5d72049e2170e4609fa83bd1f3f07cdYoshihiro Shimoda rxdesc->buffer_length = ALIGN(mdp->rx_buf_sz, 16); 1147b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu 114886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (mdp->rx_skbuff[entry] == NULL) { 1149dae2e9f430c46c29e3f771110094bd3da3625aa4Pradeep A. Dalvi skb = netdev_alloc_skb(ndev, mdp->rx_buf_sz); 115086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->rx_skbuff[entry] = skb; 115186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (skb == NULL) 115286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu break; /* Better luck next round. */ 1153bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet dma_map_single(&ndev->dev, skb->data, mdp->rx_buf_sz, 1154e88aae7bb1dc50457489d1d7c81dcf4db23ccf94Yoshihiro Shimoda DMA_FROM_DEVICE); 1155380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda sh_eth_set_receive_align(skb); 1156380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 1157bc8acf2c8c3e43fcc192762a9f964b3e9a17748bEric Dumazet skb_checksum_none_assert(skb); 11580029d64af5d72049e2170e4609fa83bd1f3f07cdYoshihiro Shimoda rxdesc->addr = virt_to_phys(PTR_ALIGN(skb->data, 4)); 115986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 116086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (entry >= RX_RING_SIZE - 1) 116186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu rxdesc->status |= 116271557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato cpu_to_edmac(mdp, RD_RACT | RD_RFP | RD_RDEL); 116386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu else 116486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu rxdesc->status |= 116571557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato cpu_to_edmac(mdp, RD_RACT | RD_RFP); 116686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 116786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 116886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Restart Rx engine if stopped. */ 116986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* If we don't need to check status, don't. -KDU */ 117079fba9f51755c704c0a7d7b7f0df10874dc0a744Yoshihiro Shimoda if (!(sh_eth_read(ndev, EDRRR) & EDRRR_R)) { 1171a18e08bdcf845efb7344cea146e683df746bbfb4Yoshihiro Shimoda /* fix the values for the next receiving if RDE is set */ 1172a18e08bdcf845efb7344cea146e683df746bbfb4Yoshihiro Shimoda if (intr_status & EESR_RDE) 1173a18e08bdcf845efb7344cea146e683df746bbfb4Yoshihiro Shimoda mdp->cur_rx = mdp->dirty_rx = 1174a18e08bdcf845efb7344cea146e683df746bbfb4Yoshihiro Shimoda (sh_eth_read(ndev, RDFAR) - 1175a18e08bdcf845efb7344cea146e683df746bbfb4Yoshihiro Shimoda sh_eth_read(ndev, RDLAR)) >> 4; 11764a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, EDRRR_R, EDRRR); 117779fba9f51755c704c0a7d7b7f0df10874dc0a744Yoshihiro Shimoda } 117886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 117986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return 0; 118086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 118186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 11824a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimodastatic void sh_eth_rcv_snd_disable(struct net_device *ndev) 1183dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu{ 1184dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu /* disable tx and rx */ 11854a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, ECMR) & 11864a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda ~(ECMR_RE | ECMR_TE), ECMR); 1187dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu} 1188dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 11894a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimodastatic void sh_eth_rcv_snd_enable(struct net_device *ndev) 1190dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu{ 1191dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu /* enable tx and rx */ 11924a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, ECMR) | 11934a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda (ECMR_RE | ECMR_TE), ECMR); 1194dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu} 1195dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 119686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* error control function */ 119786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic void sh_eth_error(struct net_device *ndev, int intr_status) 119886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 119986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 120086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu u32 felic_stat; 1201380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda u32 link_stat; 1202380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda u32 mask; 120386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 120486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (intr_status & EESR_ECI) { 12054a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda felic_stat = sh_eth_read(ndev, ECSR); 12064a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, felic_stat, ECSR); /* clear int */ 120786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (felic_stat & ECSR_ICD) 1208bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.tx_carrier_errors++; 120986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (felic_stat & ECSR_LCHNG) { 121086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Link Changed */ 12114923576b8ac5bfd36ab2beb176aeb747aaab7e41Yoshihiro Shimoda if (mdp->cd->no_psr || mdp->no_ether_link) { 1212380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (mdp->link == PHY_DOWN) 1213380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda link_stat = 0; 1214380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda else 1215380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda link_stat = PHY_ST_LINK; 1216380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda } else { 12174a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda link_stat = (sh_eth_read(ndev, PSR)); 12184923576b8ac5bfd36ab2beb176aeb747aaab7e41Yoshihiro Shimoda if (mdp->ether_link_active_low) 12194923576b8ac5bfd36ab2beb176aeb747aaab7e41Yoshihiro Shimoda link_stat = ~link_stat; 1220380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda } 1221dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (!(link_stat & PHY_ST_LINK)) 12224a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_rcv_snd_disable(ndev); 1223dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu else { 122486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Link Up */ 12254a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, EESIPR) & 12264a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda ~DMAC_M_ECI, EESIPR); 122786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /*clear int */ 12284a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, ECSR), 12294a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda ECSR); 12304a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, sh_eth_read(ndev, EESIPR) | 12314a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda DMAC_M_ECI, EESIPR); 123286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* enable tx and rx */ 12334a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_rcv_snd_enable(ndev); 123486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 123586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 123686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 123786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 123886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (intr_status & EESR_TWB) { 123986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Write buck end. unused write back interrupt */ 124086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (intr_status & EESR_TABT) /* Transmit Abort int */ 1241bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.tx_aborted_errors++; 1242dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (netif_msg_tx_err(mdp)) 1243dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu dev_err(&ndev->dev, "Transmit Abort\n"); 124486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 124586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 124686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (intr_status & EESR_RABT) { 124786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Receive Abort int */ 124886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (intr_status & EESR_RFRMER) { 124986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Receive Frame Overflow int */ 1250bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.rx_frame_errors++; 1251dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (netif_msg_rx_err(mdp)) 1252dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu dev_err(&ndev->dev, "Receive Abort\n"); 125386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 125486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 1255380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 1256dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (intr_status & EESR_TDE) { 1257dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu /* Transmit Descriptor Empty int */ 1258bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.tx_fifo_errors++; 1259dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (netif_msg_tx_err(mdp)) 1260dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu dev_err(&ndev->dev, "Transmit Descriptor Empty\n"); 1261dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu } 1262dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1263dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (intr_status & EESR_TFE) { 1264dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu /* FIFO under flow */ 1265bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.tx_fifo_errors++; 1266dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (netif_msg_tx_err(mdp)) 1267dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu dev_err(&ndev->dev, "Transmit FIFO Under flow\n"); 126886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 126986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 127086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (intr_status & EESR_RDE) { 127186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Receive Descriptor Empty int */ 1272bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.rx_over_errors++; 127386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1274dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (netif_msg_rx_err(mdp)) 1275dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu dev_err(&ndev->dev, "Receive Descriptor Empty\n"); 127686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 1277dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 127886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (intr_status & EESR_RFE) { 127986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Receive FIFO Overflow int */ 1280bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.rx_fifo_errors++; 1281dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (netif_msg_rx_err(mdp)) 1282dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu dev_err(&ndev->dev, "Receive FIFO Overflow\n"); 1283dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu } 1284dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1285dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (!mdp->cd->no_ade && (intr_status & EESR_ADE)) { 1286dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu /* Address Error */ 1287bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.tx_fifo_errors++; 1288dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (netif_msg_tx_err(mdp)) 1289dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu dev_err(&ndev->dev, "Address Error\n"); 129086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 1291380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 1292380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda mask = EESR_TWB | EESR_TABT | EESR_ADE | EESR_TDE | EESR_TFE; 1293380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (mdp->cd->no_ade) 1294380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda mask &= ~EESR_ADE; 1295380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (intr_status & mask) { 129686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Tx error */ 12974a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda u32 edtrr = sh_eth_read(ndev, EDTRR); 129886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* dmesg */ 1299380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda dev_err(&ndev->dev, "TX error. status=%8.8x cur_tx=%8.8x ", 1300380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda intr_status, mdp->cur_tx); 1301380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda dev_err(&ndev->dev, "dirty_tx=%8.8x state=%8.8x EDTRR=%8.8x.\n", 130286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->dirty_tx, (u32) ndev->state, edtrr); 130386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* dirty buffer free */ 130486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu sh_eth_txfree(ndev); 130586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 130686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* SH7712 BUG */ 1307c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda if (edtrr ^ sh_eth_get_edtrr_trns(mdp)) { 130886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* tx dma start */ 1309c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda sh_eth_write(ndev, sh_eth_get_edtrr_trns(mdp), EDTRR); 131086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 131186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* wakeup */ 131286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu netif_wake_queue(ndev); 131386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 131486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 131586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 131686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic irqreturn_t sh_eth_interrupt(int irq, void *netdev) 131786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 131886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct net_device *ndev = netdev; 131986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 1320380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda struct sh_eth_cpu_data *cd = mdp->cd; 13210e0fde3c8d65524b8dfd834332d6e4a92711a66aNobuhiro Iwamatsu irqreturn_t ret = IRQ_NONE; 13224a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda u32 intr_status = 0; 132386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 132486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu spin_lock(&mdp->lock); 132586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1326b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu /* Get interrpt stat */ 13274a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda intr_status = sh_eth_read(ndev, EESR); 132886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Clear interrupt */ 13290e0fde3c8d65524b8dfd834332d6e4a92711a66aNobuhiro Iwamatsu if (intr_status & (EESR_FRC | EESR_RMAF | EESR_RRF | 13300e0fde3c8d65524b8dfd834332d6e4a92711a66aNobuhiro Iwamatsu EESR_RTLF | EESR_RTSF | EESR_PRE | EESR_CERF | 1331380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda cd->tx_check | cd->eesr_err_check)) { 13324a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, intr_status, EESR); 13330e0fde3c8d65524b8dfd834332d6e4a92711a66aNobuhiro Iwamatsu ret = IRQ_HANDLED; 13340e0fde3c8d65524b8dfd834332d6e4a92711a66aNobuhiro Iwamatsu } else 13350e0fde3c8d65524b8dfd834332d6e4a92711a66aNobuhiro Iwamatsu goto other_irq; 133686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1337b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu if (intr_status & (EESR_FRC | /* Frame recv*/ 1338b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu EESR_RMAF | /* Multi cast address recv*/ 1339b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu EESR_RRF | /* Bit frame recv */ 1340b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu EESR_RTLF | /* Long frame recv*/ 1341b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu EESR_RTSF | /* short frame recv */ 1342b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu EESR_PRE | /* PHY-LSI recv error */ 1343b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu EESR_CERF)){ /* recv frame CRC error */ 1344a18e08bdcf845efb7344cea146e683df746bbfb4Yoshihiro Shimoda sh_eth_rx(ndev, intr_status); 1345b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu } 134686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1347b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu /* Tx Check */ 1348380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (intr_status & cd->tx_check) { 134986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu sh_eth_txfree(ndev); 135086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu netif_wake_queue(ndev); 135186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 135286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1353380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (intr_status & cd->eesr_err_check) 135486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu sh_eth_error(ndev, intr_status); 135586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 13560e0fde3c8d65524b8dfd834332d6e4a92711a66aNobuhiro Iwamatsuother_irq: 135786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu spin_unlock(&mdp->lock); 135886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 13590e0fde3c8d65524b8dfd834332d6e4a92711a66aNobuhiro Iwamatsu return ret; 136086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 136186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 136286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* PHY state control function */ 136386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic void sh_eth_adjust_link(struct net_device *ndev) 136486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 136586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 136686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct phy_device *phydev = mdp->phydev; 136786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu int new_state = 0; 136886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 136986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (phydev->link != PHY_DOWN) { 137086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (phydev->duplex != mdp->duplex) { 137186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu new_state = 1; 137286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->duplex = phydev->duplex; 1373380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (mdp->cd->set_duplex) 1374380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda mdp->cd->set_duplex(ndev); 137586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 137686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 137786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (phydev->speed != mdp->speed) { 137886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu new_state = 1; 137986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->speed = phydev->speed; 1380380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (mdp->cd->set_rate) 1381380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda mdp->cd->set_rate(ndev); 138286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 138386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (mdp->link == PHY_DOWN) { 138491a5615203355bb34e0b9e68e94f27f24719a74cYoshihiro Shimoda sh_eth_write(ndev, 138591a5615203355bb34e0b9e68e94f27f24719a74cYoshihiro Shimoda (sh_eth_read(ndev, ECMR) & ~ECMR_TXF), ECMR); 138686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu new_state = 1; 138786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->link = phydev->link; 138886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 138986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } else if (mdp->link) { 139086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu new_state = 1; 139186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->link = PHY_DOWN; 139286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->speed = 0; 139386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->duplex = -1; 139486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 139586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1396dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (new_state && netif_msg_link(mdp)) 139786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu phy_print_status(phydev); 139886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 139986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 140086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* PHY init function */ 140186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic int sh_eth_phy_init(struct net_device *ndev) 140286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 140386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 14040a372eb91f9d507701a901c2f62ed31ca67fd66cDavid S. Miller char phy_id[MII_BUS_ID_SIZE + 3]; 140586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct phy_device *phydev = NULL; 140686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1407fb28ad35906af2f042c94e2f9c0f898ef9acfa37Kay Sievers snprintf(phy_id, sizeof(phy_id), PHY_ID_FMT, 140886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->mii_bus->id , mdp->phy_id); 140986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 141086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->link = PHY_DOWN; 141186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->speed = 0; 141286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->duplex = -1; 141386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 141486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Try connect to PHY */ 1415c061b18df0f1fe3f50fe451dbbdc9ede3c19701aJoe Perches phydev = phy_connect(ndev, phy_id, sh_eth_adjust_link, 1416e47c90523484518aac30498150e427d824ace705Yoshihiro Shimoda 0, mdp->phy_interface); 141786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (IS_ERR(phydev)) { 141886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu dev_err(&ndev->dev, "phy_connect failed\n"); 141986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return PTR_ERR(phydev); 142086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 1421380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 142286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu dev_info(&ndev->dev, "attached phy %i to driver %s\n", 1423380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda phydev->addr, phydev->drv->name); 142486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 142586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->phydev = phydev; 142686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 142786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return 0; 142886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 142986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 143086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* PHY control start function */ 143186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic int sh_eth_phy_start(struct net_device *ndev) 143286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 143386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 143486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu int ret; 143586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 143686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ret = sh_eth_phy_init(ndev); 143786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (ret) 143886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return ret; 143986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 144086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* reset phy - this also wakes it from PDOWN */ 144186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu phy_write(mdp->phydev, MII_BMCR, BMCR_RESET); 144286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu phy_start(mdp->phydev); 144386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 144486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return 0; 144586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 144686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1447dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsustatic int sh_eth_get_settings(struct net_device *ndev, 1448dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu struct ethtool_cmd *ecmd) 1449dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu{ 1450dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 1451dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu unsigned long flags; 1452dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu int ret; 1453dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1454dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu spin_lock_irqsave(&mdp->lock, flags); 1455dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu ret = phy_ethtool_gset(mdp->phydev, ecmd); 1456dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu spin_unlock_irqrestore(&mdp->lock, flags); 1457dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1458dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu return ret; 1459dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu} 1460dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1461dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsustatic int sh_eth_set_settings(struct net_device *ndev, 1462dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu struct ethtool_cmd *ecmd) 1463dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu{ 1464dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 1465dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu unsigned long flags; 1466dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu int ret; 1467dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1468dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu spin_lock_irqsave(&mdp->lock, flags); 1469dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1470dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu /* disable tx and rx */ 14714a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_rcv_snd_disable(ndev); 1472dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1473dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu ret = phy_ethtool_sset(mdp->phydev, ecmd); 1474dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (ret) 1475dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu goto error_exit; 1476dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1477dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (ecmd->duplex == DUPLEX_FULL) 1478dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu mdp->duplex = 1; 1479dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu else 1480dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu mdp->duplex = 0; 1481dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1482dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (mdp->cd->set_duplex) 1483dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu mdp->cd->set_duplex(ndev); 1484dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1485dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsuerror_exit: 1486dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu mdelay(1); 1487dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1488dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu /* enable tx and rx */ 14894a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_rcv_snd_enable(ndev); 1490dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1491dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu spin_unlock_irqrestore(&mdp->lock, flags); 1492dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1493dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu return ret; 1494dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu} 1495dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1496dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsustatic int sh_eth_nway_reset(struct net_device *ndev) 1497dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu{ 1498dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 1499dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu unsigned long flags; 1500dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu int ret; 1501dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1502dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu spin_lock_irqsave(&mdp->lock, flags); 1503dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu ret = phy_start_aneg(mdp->phydev); 1504dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu spin_unlock_irqrestore(&mdp->lock, flags); 1505dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1506dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu return ret; 1507dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu} 1508dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1509dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsustatic u32 sh_eth_get_msglevel(struct net_device *ndev) 1510dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu{ 1511dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 1512dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu return mdp->msg_enable; 1513dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu} 1514dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1515dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsustatic void sh_eth_set_msglevel(struct net_device *ndev, u32 value) 1516dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu{ 1517dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 1518dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu mdp->msg_enable = value; 1519dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu} 1520dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1521dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsustatic const char sh_eth_gstrings_stats[][ETH_GSTRING_LEN] = { 1522dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu "rx_current", "tx_current", 1523dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu "rx_dirty", "tx_dirty", 1524dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu}; 1525dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu#define SH_ETH_STATS_LEN ARRAY_SIZE(sh_eth_gstrings_stats) 1526dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1527dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsustatic int sh_eth_get_sset_count(struct net_device *netdev, int sset) 1528dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu{ 1529dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu switch (sset) { 1530dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu case ETH_SS_STATS: 1531dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu return SH_ETH_STATS_LEN; 1532dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu default: 1533dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu return -EOPNOTSUPP; 1534dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu } 1535dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu} 1536dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1537dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsustatic void sh_eth_get_ethtool_stats(struct net_device *ndev, 1538dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu struct ethtool_stats *stats, u64 *data) 1539dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu{ 1540dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 1541dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu int i = 0; 1542dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1543dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu /* device-specific stats */ 1544dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu data[i++] = mdp->cur_rx; 1545dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu data[i++] = mdp->cur_tx; 1546dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu data[i++] = mdp->dirty_rx; 1547dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu data[i++] = mdp->dirty_tx; 1548dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu} 1549dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 1550dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsustatic void sh_eth_get_strings(struct net_device *ndev, u32 stringset, u8 *data) 1551dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu{ 1552dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu switch (stringset) { 1553dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu case ETH_SS_STATS: 1554dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu memcpy(data, *sh_eth_gstrings_stats, 1555dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu sizeof(sh_eth_gstrings_stats)); 1556dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu break; 1557dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu } 1558dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu} 1559dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 15609b07be4b2a78166bc54c8eedf18da8a8aafacfabstephen hemmingerstatic const struct ethtool_ops sh_eth_ethtool_ops = { 1561dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu .get_settings = sh_eth_get_settings, 1562dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu .set_settings = sh_eth_set_settings, 15639b07be4b2a78166bc54c8eedf18da8a8aafacfabstephen hemminger .nway_reset = sh_eth_nway_reset, 1564dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu .get_msglevel = sh_eth_get_msglevel, 1565dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu .set_msglevel = sh_eth_set_msglevel, 15669b07be4b2a78166bc54c8eedf18da8a8aafacfabstephen hemminger .get_link = ethtool_op_get_link, 1567dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu .get_strings = sh_eth_get_strings, 1568dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu .get_ethtool_stats = sh_eth_get_ethtool_stats, 1569dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu .get_sset_count = sh_eth_get_sset_count, 1570dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu}; 1571dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu 157286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* network device open function */ 157386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic int sh_eth_open(struct net_device *ndev) 157486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 157586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu int ret = 0; 157686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 157786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1578bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm pm_runtime_get_sync(&mdp->pdev->dev); 1579bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm 1580a0607fd3a25ba1848a63a0d925e36d914735ab47Joe Perches ret = request_irq(ndev->irq, sh_eth_interrupt, 1581f29a3d040727a80c3307a2bea057206be049c305Yoshihiro Shimoda#if defined(CONFIG_CPU_SUBTYPE_SH7763) || \ 1582dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu defined(CONFIG_CPU_SUBTYPE_SH7764) || \ 1583dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu defined(CONFIG_CPU_SUBTYPE_SH7757) 15840e0fde3c8d65524b8dfd834332d6e4a92711a66aNobuhiro Iwamatsu IRQF_SHARED, 15850e0fde3c8d65524b8dfd834332d6e4a92711a66aNobuhiro Iwamatsu#else 15860e0fde3c8d65524b8dfd834332d6e4a92711a66aNobuhiro Iwamatsu 0, 15870e0fde3c8d65524b8dfd834332d6e4a92711a66aNobuhiro Iwamatsu#endif 15880e0fde3c8d65524b8dfd834332d6e4a92711a66aNobuhiro Iwamatsu ndev->name, ndev); 158986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (ret) { 1590380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda dev_err(&ndev->dev, "Can not assign IRQ number\n"); 159186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return ret; 159286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 159386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 159486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Descriptor set */ 159586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ret = sh_eth_ring_init(ndev); 159686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (ret) 159786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu goto out_free_irq; 159886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 159986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* device init */ 160086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ret = sh_eth_dev_init(ndev); 160186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (ret) 160286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu goto out_free_irq; 160386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 160486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* PHY control start*/ 160586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ret = sh_eth_phy_start(ndev); 160686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (ret) 160786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu goto out_free_irq; 160886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 160986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return ret; 161086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 161186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsuout_free_irq: 161286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu free_irq(ndev->irq, ndev); 1613bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm pm_runtime_put_sync(&mdp->pdev->dev); 161486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return ret; 161586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 161686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 161786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* Timeout function */ 161886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic void sh_eth_tx_timeout(struct net_device *ndev) 161986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 162086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 162186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_rxdesc *rxdesc; 162286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu int i; 162386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 162486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu netif_stop_queue(ndev); 162586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1626dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (netif_msg_timer(mdp)) 1627dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu dev_err(&ndev->dev, "%s: transmit timed out, status %8.8x," 16284a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda " resetting...\n", ndev->name, (int)sh_eth_read(ndev, EESR)); 162986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 163086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* tx_errors count up */ 1631bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.tx_errors++; 163286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 163386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Free all the skbuffs in the Rx queue. */ 163486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu for (i = 0; i < RX_RING_SIZE; i++) { 163586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu rxdesc = &mdp->rx_ring[i]; 163686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu rxdesc->status = 0; 163786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu rxdesc->addr = 0xBADF00D0; 163886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (mdp->rx_skbuff[i]) 163986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu dev_kfree_skb(mdp->rx_skbuff[i]); 164086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->rx_skbuff[i] = NULL; 164186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 164286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu for (i = 0; i < TX_RING_SIZE; i++) { 164386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (mdp->tx_skbuff[i]) 164486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu dev_kfree_skb(mdp->tx_skbuff[i]); 164586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->tx_skbuff[i] = NULL; 164686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 164786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 164886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* device init */ 164986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu sh_eth_dev_init(ndev); 165086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 165186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 165286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* Packet transmit function */ 165386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic int sh_eth_start_xmit(struct sk_buff *skb, struct net_device *ndev) 165486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 165586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 165686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_txdesc *txdesc; 165786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu u32 entry; 1658fb5e2f9b9410a4362897d12dc1ed4f7cec1b0d45Nobuhiro Iwamatsu unsigned long flags; 165986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 166086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu spin_lock_irqsave(&mdp->lock, flags); 166186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if ((mdp->cur_tx - mdp->dirty_tx) >= (TX_RING_SIZE - 4)) { 166286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (!sh_eth_txfree(ndev)) { 1663dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu if (netif_msg_tx_queued(mdp)) 1664dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu dev_warn(&ndev->dev, "TxFD exhausted.\n"); 166586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu netif_stop_queue(ndev); 166686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu spin_unlock_irqrestore(&mdp->lock, flags); 16675b548140225c6bbbbd560551dd1048b2c0ce58bePatrick McHardy return NETDEV_TX_BUSY; 166886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 166986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 167086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu spin_unlock_irqrestore(&mdp->lock, flags); 167186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 167286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu entry = mdp->cur_tx % TX_RING_SIZE; 167386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->tx_skbuff[entry] = skb; 167486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu txdesc = &mdp->tx_ring[entry]; 167586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* soft swap. */ 1676380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (!mdp->cd->hw_swap) 1677380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda sh_eth_soft_swap(phys_to_virt(ALIGN(txdesc->addr, 4)), 1678380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda skb->len + 2); 167931fcb99d9958bdf04e84224e202f69e6cdac893bYoshihiro Shimoda txdesc->addr = dma_map_single(&ndev->dev, skb->data, skb->len, 168031fcb99d9958bdf04e84224e202f69e6cdac893bYoshihiro Shimoda DMA_TO_DEVICE); 168186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (skb->len < ETHERSMALL) 168286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu txdesc->buffer_length = ETHERSMALL; 168386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu else 168486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu txdesc->buffer_length = skb->len; 168586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 168686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (entry >= TX_RING_SIZE - 1) 168771557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato txdesc->status |= cpu_to_edmac(mdp, TD_TACT | TD_TDLE); 168886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu else 168971557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato txdesc->status |= cpu_to_edmac(mdp, TD_TACT); 169086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 169186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->cur_tx++; 169286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1693c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda if (!(sh_eth_read(ndev, EDTRR) & sh_eth_get_edtrr_trns(mdp))) 1694c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda sh_eth_write(ndev, sh_eth_get_edtrr_trns(mdp), EDTRR); 1695b0ca2a21f769ae255bd6821cbc5af8af797f1da7Nobuhiro Iwamatsu 16966ed106549d17474ca17a16057f4c0ed4eba5a7caPatrick McHardy return NETDEV_TX_OK; 169786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 169886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 169986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* device close function */ 170086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic int sh_eth_close(struct net_device *ndev) 170186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 170286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 170386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 170486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu netif_stop_queue(ndev); 170586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 170686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Disable interrupts by clearing the interrupt mask. */ 17074a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 0x0000, EESIPR); 170886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 170986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Stop the chip's Tx and Rx processes. */ 17104a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 0, EDTRR); 17114a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 0, EDRRR); 171286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 171386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* PHY Disconnect */ 171486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (mdp->phydev) { 171586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu phy_stop(mdp->phydev); 171686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu phy_disconnect(mdp->phydev); 171786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 171886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 171986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu free_irq(ndev->irq, ndev); 172086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 172186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Free all the skbuffs in the Rx queue. */ 172286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu sh_eth_ring_free(ndev); 172386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 172486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* free DMA buffer */ 172591c77550000a7d888aaf9f9ac13e3e3485d18560Yoshihiro Shimoda sh_eth_free_dma_buffer(mdp); 172686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1727bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm pm_runtime_put_sync(&mdp->pdev->dev); 1728bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm 172986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return 0; 173086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 173186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 173286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic struct net_device_stats *sh_eth_get_stats(struct net_device *ndev) 173386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 173486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 173586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1736bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm pm_runtime_get_sync(&mdp->pdev->dev); 1737bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm 1738bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.tx_dropped += sh_eth_read(ndev, TROCR); 17394a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 0, TROCR); /* (write clear) */ 1740bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.collisions += sh_eth_read(ndev, CDCR); 17414a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 0, CDCR); /* (write clear) */ 1742bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.tx_carrier_errors += sh_eth_read(ndev, LCCR); 17434a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_write(ndev, 0, LCCR); /* (write clear) */ 1744c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda if (sh_eth_is_gether(mdp)) { 1745bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.tx_carrier_errors += sh_eth_read(ndev, CERCR); 1746c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda sh_eth_write(ndev, 0, CERCR); /* (write clear) */ 1747bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.tx_carrier_errors += sh_eth_read(ndev, CEECR); 1748c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda sh_eth_write(ndev, 0, CEECR); /* (write clear) */ 1749c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda } else { 1750bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet ndev->stats.tx_carrier_errors += sh_eth_read(ndev, CNDCR); 1751c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda sh_eth_write(ndev, 0, CNDCR); /* (write clear) */ 1752c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda } 1753bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm pm_runtime_put_sync(&mdp->pdev->dev); 1754bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm 1755bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet return &ndev->stats; 175686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 175786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1758bb7d92e3e3049e22b5807ac559a72b38fad5f499Eric Dumazet/* ioctl to device function */ 175986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic int sh_eth_do_ioctl(struct net_device *ndev, struct ifreq *rq, 176086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu int cmd) 176186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 176286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 176386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct phy_device *phydev = mdp->phydev; 176486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 176586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (!netif_running(ndev)) 176686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return -EINVAL; 176786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 176886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (!phydev) 176986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return -ENODEV; 177086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 177128b041139e344ecd0f144d6205b004ae354cfa1eRichard Cochran return phy_mii_ioctl(phydev, rq, cmd); 177286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 177386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 1774380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda#if defined(SH_ETH_HAS_TSU) 17756743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda/* For TSU_POSTn. Please refer to the manual about this (strange) bitfields */ 17766743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimodastatic void *sh_eth_tsu_get_post_reg_offset(struct sh_eth_private *mdp, 17776743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda int entry) 17786743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda{ 17796743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return sh_eth_tsu_get_offset(mdp, TSU_POST1) + (entry / 8 * 4); 17806743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda} 17816743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 17826743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimodastatic u32 sh_eth_tsu_get_post_mask(int entry) 17836743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda{ 17846743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return 0x0f << (28 - ((entry % 8) * 4)); 17856743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda} 17866743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 17876743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimodastatic u32 sh_eth_tsu_get_post_bit(struct sh_eth_private *mdp, int entry) 17886743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda{ 17896743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return (0x08 >> (mdp->port << 1)) << (28 - ((entry % 8) * 4)); 17906743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda} 17916743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 17926743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimodastatic void sh_eth_tsu_enable_cam_entry_post(struct net_device *ndev, 17936743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda int entry) 17946743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda{ 17956743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 17966743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda u32 tmp; 17976743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda void *reg_offset; 17986743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 17996743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda reg_offset = sh_eth_tsu_get_post_reg_offset(mdp, entry); 18006743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda tmp = ioread32(reg_offset); 18016743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda iowrite32(tmp | sh_eth_tsu_get_post_bit(mdp, entry), reg_offset); 18026743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda} 18036743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 18046743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimodastatic bool sh_eth_tsu_disable_cam_entry_post(struct net_device *ndev, 18056743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda int entry) 18066743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda{ 18076743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 18086743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda u32 post_mask, ref_mask, tmp; 18096743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda void *reg_offset; 18106743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 18116743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda reg_offset = sh_eth_tsu_get_post_reg_offset(mdp, entry); 18126743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda post_mask = sh_eth_tsu_get_post_mask(entry); 18136743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda ref_mask = sh_eth_tsu_get_post_bit(mdp, entry) & ~post_mask; 18146743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 18156743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda tmp = ioread32(reg_offset); 18166743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda iowrite32(tmp & ~post_mask, reg_offset); 18176743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 18186743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda /* If other port enables, the function returns "true" */ 18196743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return tmp & ref_mask; 18206743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda} 18216743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 18226743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimodastatic int sh_eth_tsu_busy(struct net_device *ndev) 18236743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda{ 18246743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda int timeout = SH_ETH_TSU_TIMEOUT_MS * 100; 18256743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 18266743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 18276743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda while ((sh_eth_tsu_read(mdp, TSU_ADSBSY) & TSU_ADSBSY_0)) { 18286743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda udelay(10); 18296743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda timeout--; 18306743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (timeout <= 0) { 18316743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda dev_err(&ndev->dev, "%s: timeout\n", __func__); 18326743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return -ETIMEDOUT; 18336743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda } 18346743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda } 18356743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 18366743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return 0; 18376743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda} 18386743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 18396743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimodastatic int sh_eth_tsu_write_entry(struct net_device *ndev, void *reg, 18406743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda const u8 *addr) 18416743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda{ 18426743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda u32 val; 18436743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 18446743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda val = addr[0] << 24 | addr[1] << 16 | addr[2] << 8 | addr[3]; 18456743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda iowrite32(val, reg); 18466743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (sh_eth_tsu_busy(ndev) < 0) 18476743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return -EBUSY; 18486743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 18496743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda val = addr[4] << 8 | addr[5]; 18506743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda iowrite32(val, reg + 4); 18516743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (sh_eth_tsu_busy(ndev) < 0) 18526743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return -EBUSY; 18536743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 18546743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return 0; 18556743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda} 18566743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 18576743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimodastatic void sh_eth_tsu_read_entry(void *reg, u8 *addr) 18586743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda{ 18596743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda u32 val; 18606743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 18616743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda val = ioread32(reg); 18626743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda addr[0] = (val >> 24) & 0xff; 18636743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda addr[1] = (val >> 16) & 0xff; 18646743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda addr[2] = (val >> 8) & 0xff; 18656743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda addr[3] = val & 0xff; 18666743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda val = ioread32(reg + 4); 18676743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda addr[4] = (val >> 8) & 0xff; 18686743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda addr[5] = val & 0xff; 18696743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda} 18706743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 18716743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 18726743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimodastatic int sh_eth_tsu_find_entry(struct net_device *ndev, const u8 *addr) 18736743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda{ 18746743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 18756743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda void *reg_offset = sh_eth_tsu_get_offset(mdp, TSU_ADRH0); 18766743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda int i; 18776743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda u8 c_addr[ETH_ALEN]; 18786743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 18796743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda for (i = 0; i < SH_ETH_TSU_CAM_ENTRIES; i++, reg_offset += 8) { 18806743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda sh_eth_tsu_read_entry(reg_offset, c_addr); 18816743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (memcmp(addr, c_addr, ETH_ALEN) == 0) 18826743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return i; 18836743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda } 18846743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 18856743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return -ENOENT; 18866743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda} 18876743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 18886743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimodastatic int sh_eth_tsu_find_empty(struct net_device *ndev) 18896743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda{ 18906743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda u8 blank[ETH_ALEN]; 18916743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda int entry; 18926743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 18936743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda memset(blank, 0, sizeof(blank)); 18946743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda entry = sh_eth_tsu_find_entry(ndev, blank); 18956743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return (entry < 0) ? -ENOMEM : entry; 18966743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda} 18976743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 18986743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimodastatic int sh_eth_tsu_disable_cam_entry_table(struct net_device *ndev, 18996743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda int entry) 19006743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda{ 19016743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 19026743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda void *reg_offset = sh_eth_tsu_get_offset(mdp, TSU_ADRH0); 19036743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda int ret; 19046743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda u8 blank[ETH_ALEN]; 19056743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 19066743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda sh_eth_tsu_write(mdp, sh_eth_tsu_read(mdp, TSU_TEN) & 19076743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda ~(1 << (31 - entry)), TSU_TEN); 19086743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 19096743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda memset(blank, 0, sizeof(blank)); 19106743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda ret = sh_eth_tsu_write_entry(ndev, reg_offset + entry * 8, blank); 19116743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (ret < 0) 19126743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return ret; 19136743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return 0; 19146743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda} 19156743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 19166743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimodastatic int sh_eth_tsu_add_entry(struct net_device *ndev, const u8 *addr) 19176743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda{ 19186743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 19196743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda void *reg_offset = sh_eth_tsu_get_offset(mdp, TSU_ADRH0); 19206743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda int i, ret; 19216743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 19226743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (!mdp->cd->tsu) 19236743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return 0; 19246743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 19256743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda i = sh_eth_tsu_find_entry(ndev, addr); 19266743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (i < 0) { 19276743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda /* No entry found, create one */ 19286743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda i = sh_eth_tsu_find_empty(ndev); 19296743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (i < 0) 19306743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return -ENOMEM; 19316743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda ret = sh_eth_tsu_write_entry(ndev, reg_offset + i * 8, addr); 19326743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (ret < 0) 19336743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return ret; 19346743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 19356743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda /* Enable the entry */ 19366743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda sh_eth_tsu_write(mdp, sh_eth_tsu_read(mdp, TSU_TEN) | 19376743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda (1 << (31 - i)), TSU_TEN); 19386743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda } 19396743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 19406743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda /* Entry found or created, enable POST */ 19416743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda sh_eth_tsu_enable_cam_entry_post(ndev, i); 19426743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 19436743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return 0; 19446743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda} 19456743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 19466743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimodastatic int sh_eth_tsu_del_entry(struct net_device *ndev, const u8 *addr) 19476743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda{ 19486743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 19496743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda int i, ret; 19506743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 19516743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (!mdp->cd->tsu) 19526743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return 0; 19536743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 19546743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda i = sh_eth_tsu_find_entry(ndev, addr); 19556743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (i) { 19566743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda /* Entry found */ 19576743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (sh_eth_tsu_disable_cam_entry_post(ndev, i)) 19586743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda goto done; 19596743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 19606743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda /* Disable the entry if both ports was disabled */ 19616743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda ret = sh_eth_tsu_disable_cam_entry_table(ndev, i); 19626743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (ret < 0) 19636743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return ret; 19646743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda } 19656743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimodadone: 19666743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return 0; 19676743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda} 19686743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 19696743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimodastatic int sh_eth_tsu_purge_all(struct net_device *ndev) 19706743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda{ 19716743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 19726743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda int i, ret; 19736743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 19746743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (unlikely(!mdp->cd->tsu)) 19756743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return 0; 19766743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 19776743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda for (i = 0; i < SH_ETH_TSU_CAM_ENTRIES; i++) { 19786743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (sh_eth_tsu_disable_cam_entry_post(ndev, i)) 19796743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda continue; 19806743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 19816743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda /* Disable the entry if both ports was disabled */ 19826743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda ret = sh_eth_tsu_disable_cam_entry_table(ndev, i); 19836743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (ret < 0) 19846743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return ret; 19856743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda } 19866743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 19876743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return 0; 19886743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda} 19896743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 19906743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimodastatic void sh_eth_tsu_purge_mcast(struct net_device *ndev) 19916743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda{ 19926743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 19936743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda u8 addr[ETH_ALEN]; 19946743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda void *reg_offset = sh_eth_tsu_get_offset(mdp, TSU_ADRH0); 19956743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda int i; 19966743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 19976743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (unlikely(!mdp->cd->tsu)) 19986743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda return; 19996743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 20006743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda for (i = 0; i < SH_ETH_TSU_CAM_ENTRIES; i++, reg_offset += 8) { 20016743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda sh_eth_tsu_read_entry(reg_offset, addr); 20026743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (is_multicast_ether_addr(addr)) 20036743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda sh_eth_tsu_del_entry(ndev, addr); 20046743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda } 20056743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda} 20066743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 200786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* Multicast reception directions set */ 200886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic void sh_eth_set_multicast_list(struct net_device *ndev) 200986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 20106743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 20116743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda u32 ecmr_bits; 20126743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda int mcast_all = 0; 20136743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda unsigned long flags; 20146743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 20156743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda spin_lock_irqsave(&mdp->lock, flags); 20166743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda /* 20176743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda * Initial condition is MCT = 1, PRM = 0. 20186743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda * Depending on ndev->flags, set PRM or clear MCT 20196743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda */ 20206743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda ecmr_bits = (sh_eth_read(ndev, ECMR) & ~ECMR_PRM) | ECMR_MCT; 20216743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 20226743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (!(ndev->flags & IFF_MULTICAST)) { 20236743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda sh_eth_tsu_purge_mcast(ndev); 20246743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda mcast_all = 1; 20256743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda } 20266743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (ndev->flags & IFF_ALLMULTI) { 20276743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda sh_eth_tsu_purge_mcast(ndev); 20286743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda ecmr_bits &= ~ECMR_MCT; 20296743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda mcast_all = 1; 20306743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda } 20316743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 203286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (ndev->flags & IFF_PROMISC) { 20336743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda sh_eth_tsu_purge_all(ndev); 20346743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda ecmr_bits = (ecmr_bits & ~ECMR_MCT) | ECMR_PRM; 20356743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda } else if (mdp->cd->tsu) { 20366743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda struct netdev_hw_addr *ha; 20376743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda netdev_for_each_mc_addr(ha, ndev) { 20386743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (mcast_all && is_multicast_ether_addr(ha->addr)) 20396743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda continue; 20406743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 20416743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (sh_eth_tsu_add_entry(ndev, ha->addr) < 0) { 20426743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda if (!mcast_all) { 20436743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda sh_eth_tsu_purge_mcast(ndev); 20446743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda ecmr_bits &= ~ECMR_MCT; 20456743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda mcast_all = 1; 20466743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda } 20476743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda } 20486743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda } 204986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } else { 205086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Normal, unicast/broadcast-only mode. */ 20516743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda ecmr_bits = (ecmr_bits & ~ECMR_PRM) | ECMR_MCT; 205286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 20536743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 20546743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda /* update the ethernet mode */ 20556743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda sh_eth_write(ndev, ecmr_bits, ECMR); 20566743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda 20576743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda spin_unlock_irqrestore(&mdp->lock, flags); 205886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 205971cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda 206071cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimodastatic int sh_eth_get_vtag_index(struct sh_eth_private *mdp) 206171cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda{ 206271cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda if (!mdp->port) 206371cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda return TSU_VTAG0; 206471cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda else 206571cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda return TSU_VTAG1; 206671cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda} 206771cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda 206871cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimodastatic int sh_eth_vlan_rx_add_vid(struct net_device *ndev, u16 vid) 206971cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda{ 207071cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 207171cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda int vtag_reg_index = sh_eth_get_vtag_index(mdp); 207271cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda 207371cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda if (unlikely(!mdp->cd->tsu)) 207471cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda return -EPERM; 207571cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda 207671cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda /* No filtering if vid = 0 */ 207771cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda if (!vid) 207871cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda return 0; 207971cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda 208071cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda mdp->vlan_num_ids++; 208171cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda 208271cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda /* 208371cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda * The controller has one VLAN tag HW filter. So, if the filter is 208471cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda * already enabled, the driver disables it and the filte 208571cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda */ 208671cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda if (mdp->vlan_num_ids > 1) { 208771cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda /* disable VLAN filter */ 208871cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda sh_eth_tsu_write(mdp, 0, vtag_reg_index); 208971cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda return 0; 209071cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda } 209171cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda 209271cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda sh_eth_tsu_write(mdp, TSU_VTAG_ENABLE | (vid & TSU_VTAG_VID_MASK), 209371cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda vtag_reg_index); 209471cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda 209571cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda return 0; 209671cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda} 209771cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda 209871cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimodastatic int sh_eth_vlan_rx_kill_vid(struct net_device *ndev, u16 vid) 209971cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda{ 210071cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 210171cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda int vtag_reg_index = sh_eth_get_vtag_index(mdp); 210271cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda 210371cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda if (unlikely(!mdp->cd->tsu)) 210471cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda return -EPERM; 210571cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda 210671cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda /* No filtering if vid = 0 */ 210771cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda if (!vid) 210871cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda return 0; 210971cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda 211071cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda mdp->vlan_num_ids--; 211171cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda sh_eth_tsu_write(mdp, 0, vtag_reg_index); 211271cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda 211371cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda return 0; 211471cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda} 21154986b996882d82c68ab54b822d7cfdd7dd35f19aYoshihiro Shimoda#endif /* SH_ETH_HAS_TSU */ 211686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 211786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* SuperH's TSU register init function */ 21184a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimodastatic void sh_eth_tsu_init(struct sh_eth_private *mdp) 211986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 21204a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_FWEN0); /* Disable forward(0->1) */ 21214a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_FWEN1); /* Disable forward(1->0) */ 21224a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_FCM); /* forward fifo 3k-3k */ 21234a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0xc, TSU_BSYSL0); 21244a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0xc, TSU_BSYSL1); 21254a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_PRISL0); 21264a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_PRISL1); 21274a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_FWSL0); 21284a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_FWSL1); 21294a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, TSU_FWSLC_POSTENU | TSU_FWSLC_POSTENL, TSU_FWSLC); 2130c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda if (sh_eth_is_gether(mdp)) { 2131c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_QTAG0); /* Disable QTAG(0->1) */ 2132c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_QTAG1); /* Disable QTAG(1->0) */ 2133c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda } else { 2134c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_QTAGM0); /* Disable QTAG(0->1) */ 2135c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_QTAGM1); /* Disable QTAG(1->0) */ 2136c5ed53687b39c195b4730de8c0355c1b78054ba6Yoshihiro Shimoda } 21374a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_FWSR); /* all interrupt status clear */ 21384a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_FWINMK); /* Disable all interrupt */ 21394a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_TEN); /* Disable all CAM entry */ 21404a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_POST1); /* Disable CAM entry [ 0- 7] */ 21414a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_POST2); /* Disable CAM entry [ 8-15] */ 21424a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_POST3); /* Disable CAM entry [16-23] */ 21434a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda sh_eth_tsu_write(mdp, 0, TSU_POST4); /* Disable CAM entry [24-31] */ 214486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 214586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 214686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* MDIO bus release function */ 214786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic int sh_mdio_release(struct net_device *ndev) 214886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 214986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct mii_bus *bus = dev_get_drvdata(&ndev->dev); 215086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 215186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* unregister mdio bus */ 215286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdiobus_unregister(bus); 215386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 215486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* remove mdio bus info from net_device */ 215586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu dev_set_drvdata(&ndev->dev, NULL); 215686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 21570f0b405cd16f7aaff84a935984cae421897d725dDenis Kirjanov /* free interrupts memory */ 21580f0b405cd16f7aaff84a935984cae421897d725dDenis Kirjanov kfree(bus->irq); 21590f0b405cd16f7aaff84a935984cae421897d725dDenis Kirjanov 216086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* free bitbang info */ 216186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu free_mdio_bitbang(bus); 216286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 216386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return 0; 216486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 216586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 216686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu/* MDIO bus init function */ 2167b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimodastatic int sh_mdio_init(struct net_device *ndev, int id, 2168b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda struct sh_eth_plat_data *pd) 216986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 217086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu int ret, i; 217186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct bb_info *bitbang; 217286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct sh_eth_private *mdp = netdev_priv(ndev); 217386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 217486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* create bit control struct for PHY */ 217586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu bitbang = kzalloc(sizeof(struct bb_info), GFP_KERNEL); 217686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (!bitbang) { 217786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ret = -ENOMEM; 217886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu goto out; 217986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 218086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 218186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* bitbang init */ 2182ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda bitbang->addr = mdp->addr + mdp->reg_offset[PIR]; 2183b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda bitbang->set_gate = pd->set_mdio_gate; 218486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu bitbang->mdi_msk = 0x08; 218586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu bitbang->mdo_msk = 0x04; 218686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu bitbang->mmd_msk = 0x02;/* MMD */ 218786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu bitbang->mdc_msk = 0x01; 218886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu bitbang->ctrl.ops = &bb_ops; 218986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 2190c2e07b3a9ced33dd92597201be3931be8ea57ed6Stefan Weil /* MII controller setting */ 219186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->mii_bus = alloc_mdio_bitbang(&bitbang->ctrl); 219286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (!mdp->mii_bus) { 219386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ret = -ENOMEM; 219486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu goto out_free_bitbang; 219586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 219686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 219786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Hook up MII support for ethtool */ 219886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->mii_bus->name = "sh_mii"; 219918ee49ddb0d242ed1d0e273038d5e4f6de7379d3Lennert Buytenhek mdp->mii_bus->parent = &ndev->dev; 22005278fb547076ad6768d16c8b4df45c086470c163Florian Fainelli snprintf(mdp->mii_bus->id, MII_BUS_ID_SIZE, "%s-%x", 220134aa6f1400810890636ba0b170effbfa71eacec7Nobuhiro Iwamatsu mdp->pdev->name, id); 220286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 220386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* PHY IRQ */ 220486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->mii_bus->irq = kmalloc(sizeof(int)*PHY_MAX_ADDR, GFP_KERNEL); 220586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (!mdp->mii_bus->irq) { 220686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ret = -ENOMEM; 220786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu goto out_free_bus; 220886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 220986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 221086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu for (i = 0; i < PHY_MAX_ADDR; i++) 221186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp->mii_bus->irq[i] = PHY_POLL; 221286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 221386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* regist mdio bus */ 221486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ret = mdiobus_register(mdp->mii_bus); 221586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (ret) 221686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu goto out_free_irq; 221786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 221886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu dev_set_drvdata(&ndev->dev, mdp->mii_bus); 221986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 222086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return 0; 222186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 222286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsuout_free_irq: 222386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu kfree(mdp->mii_bus->irq); 222486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 222586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsuout_free_bus: 2226298cf9beb9679522de995e249eccbd82f7c51999Lennert Buytenhek free_mdio_bitbang(mdp->mii_bus); 222786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 222886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsuout_free_bitbang: 222986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu kfree(bitbang); 223086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 223186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsuout: 223286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return ret; 223386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 223486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 22354a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimodastatic const u16 *sh_eth_get_register_offset(int register_type) 22364a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda{ 22374a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda const u16 *reg_offset = NULL; 22384a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda 22394a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda switch (register_type) { 22404a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda case SH_ETH_REG_GIGABIT: 22414a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda reg_offset = sh_eth_offset_gigabit; 22424a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda break; 22434a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda case SH_ETH_REG_FAST_SH4: 22444a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda reg_offset = sh_eth_offset_fast_sh4; 22454a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda break; 22464a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda case SH_ETH_REG_FAST_SH3_SH2: 22474a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda reg_offset = sh_eth_offset_fast_sh3_sh2; 22484a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda break; 22494a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda default: 22504a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda printk(KERN_ERR "Unknown register type (%d)\n", register_type); 22514a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda break; 22524a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda } 22534a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda 22544a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda return reg_offset; 22554a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda} 22564a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda 2257ebf84eaa927be41a440fd4c8f81e1844922bc0b2Alexander Beregalovstatic const struct net_device_ops sh_eth_netdev_ops = { 2258ebf84eaa927be41a440fd4c8f81e1844922bc0b2Alexander Beregalov .ndo_open = sh_eth_open, 2259ebf84eaa927be41a440fd4c8f81e1844922bc0b2Alexander Beregalov .ndo_stop = sh_eth_close, 2260ebf84eaa927be41a440fd4c8f81e1844922bc0b2Alexander Beregalov .ndo_start_xmit = sh_eth_start_xmit, 2261ebf84eaa927be41a440fd4c8f81e1844922bc0b2Alexander Beregalov .ndo_get_stats = sh_eth_get_stats, 2262380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda#if defined(SH_ETH_HAS_TSU) 2263afc4b13df143122f99a0eb10bfefb216c2806de0Jiri Pirko .ndo_set_rx_mode = sh_eth_set_multicast_list, 226471cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda .ndo_vlan_rx_add_vid = sh_eth_vlan_rx_add_vid, 226571cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda .ndo_vlan_rx_kill_vid = sh_eth_vlan_rx_kill_vid, 2266380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda#endif 2267ebf84eaa927be41a440fd4c8f81e1844922bc0b2Alexander Beregalov .ndo_tx_timeout = sh_eth_tx_timeout, 2268ebf84eaa927be41a440fd4c8f81e1844922bc0b2Alexander Beregalov .ndo_do_ioctl = sh_eth_do_ioctl, 2269ebf84eaa927be41a440fd4c8f81e1844922bc0b2Alexander Beregalov .ndo_validate_addr = eth_validate_addr, 2270ebf84eaa927be41a440fd4c8f81e1844922bc0b2Alexander Beregalov .ndo_set_mac_address = eth_mac_addr, 2271ebf84eaa927be41a440fd4c8f81e1844922bc0b2Alexander Beregalov .ndo_change_mtu = eth_change_mtu, 2272ebf84eaa927be41a440fd4c8f81e1844922bc0b2Alexander Beregalov}; 2273ebf84eaa927be41a440fd4c8f81e1844922bc0b2Alexander Beregalov 227486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic int sh_eth_drv_probe(struct platform_device *pdev) 227586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 22769c38657cfcb739b7dc4ce9065a85b4f0c195bef8Kuninori Morimoto int ret, devno = 0; 227786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct resource *res; 227886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct net_device *ndev = NULL; 2279ec0d75518cb06261f1823fa2713fe52b9b26455eKuninori Morimoto struct sh_eth_private *mdp = NULL; 228071557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato struct sh_eth_plat_data *pd; 228186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 228286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* get base addr */ 228386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu res = platform_get_resource(pdev, IORESOURCE_MEM, 0); 228486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (unlikely(res == NULL)) { 228586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu dev_err(&pdev->dev, "invalid resource\n"); 228686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ret = -EINVAL; 228786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu goto out; 228886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 228986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 229086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ndev = alloc_etherdev(sizeof(struct sh_eth_private)); 229186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (!ndev) { 229286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ret = -ENOMEM; 229386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu goto out; 229486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 229586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 229686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* The sh Ether-specific entries in the device structure. */ 229786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ndev->base_addr = res->start; 229886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu devno = pdev->id; 229986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (devno < 0) 230086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu devno = 0; 230186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 230286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ndev->dma = -1; 2303cc3c080d9f4484021e7b14f99de94a8c85a668d5roel kluin ret = platform_get_irq(pdev, 0); 2304cc3c080d9f4484021e7b14f99de94a8c85a668d5roel kluin if (ret < 0) { 230586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ret = -ENODEV; 230686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu goto out_release; 230786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 2308cc3c080d9f4484021e7b14f99de94a8c85a668d5roel kluin ndev->irq = ret; 230986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 231086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu SET_NETDEV_DEV(ndev, &pdev->dev); 231186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 231286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* Fill in the fields of the device structure with ethernet values. */ 231386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ether_setup(ndev); 231486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 231586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu mdp = netdev_priv(ndev); 2316ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda mdp->addr = ioremap(res->start, resource_size(res)); 2317ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda if (mdp->addr == NULL) { 2318ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda ret = -ENOMEM; 2319ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda dev_err(&pdev->dev, "ioremap failed.\n"); 2320ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda goto out_release; 2321ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda } 2322ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda 232386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu spin_lock_init(&mdp->lock); 2324bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm mdp->pdev = pdev; 2325bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm pm_runtime_enable(&pdev->dev); 2326bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm pm_runtime_resume(&pdev->dev); 232786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 232871557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato pd = (struct sh_eth_plat_data *)(pdev->dev.platform_data); 232986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* get PHY ID */ 233071557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato mdp->phy_id = pd->phy; 2331e47c90523484518aac30498150e427d824ace705Yoshihiro Shimoda mdp->phy_interface = pd->phy_interface; 233271557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato /* EDMAC endian */ 233371557a37adb5df17631c493b3b7d912938c720b2Yoshinori Sato mdp->edmac_endian = pd->edmac_endian; 23344923576b8ac5bfd36ab2beb176aeb747aaab7e41Yoshihiro Shimoda mdp->no_ether_link = pd->no_ether_link; 23354923576b8ac5bfd36ab2beb176aeb747aaab7e41Yoshihiro Shimoda mdp->ether_link_active_low = pd->ether_link_active_low; 23364a55530f38e4eeee3afb06093e81309138fe8360Yoshihiro Shimoda mdp->reg_offset = sh_eth_get_register_offset(pd->register_type); 233786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 2338380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda /* set cpu data */ 23398fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda#if defined(SH_ETH_HAS_BOTH_MODULES) 23408fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda mdp->cd = sh_eth_get_cpu_data(mdp); 23418fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda#else 2342380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda mdp->cd = &sh_eth_my_cpu_data; 23438fcd496151b4354569283056076339239b86fabeYoshihiro Shimoda#endif 2344380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda sh_eth_set_default_cpu_data(mdp->cd); 2345380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda 234686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* set function */ 2347ebf84eaa927be41a440fd4c8f81e1844922bc0b2Alexander Beregalov ndev->netdev_ops = &sh_eth_netdev_ops; 2348dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu SET_ETHTOOL_OPS(ndev, &sh_eth_ethtool_ops); 234986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ndev->watchdog_timeo = TX_TIMEOUT; 235086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 2351dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu /* debug message level */ 2352dc19e4e5e02fb6b46cccb08b2735e38b997a6ddfNobuhiro Iwamatsu mdp->msg_enable = SH_ETH_DEF_MSG_ENABLE; 235386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 235486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* read and set MAC address */ 2355748031f9fd2c06b28817d80761a5de97190cfd03Magnus Damm read_mac_address(ndev, pd->mac_addr); 235686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 23576ba88021c36516c26c11eff8c6d7d9a045faecd3Yoshihiro Shimoda /* ioremap the TSU registers */ 23586ba88021c36516c26c11eff8c6d7d9a045faecd3Yoshihiro Shimoda if (mdp->cd->tsu) { 23596ba88021c36516c26c11eff8c6d7d9a045faecd3Yoshihiro Shimoda struct resource *rtsu; 23606ba88021c36516c26c11eff8c6d7d9a045faecd3Yoshihiro Shimoda rtsu = platform_get_resource(pdev, IORESOURCE_MEM, 1); 23616ba88021c36516c26c11eff8c6d7d9a045faecd3Yoshihiro Shimoda if (!rtsu) { 23626ba88021c36516c26c11eff8c6d7d9a045faecd3Yoshihiro Shimoda dev_err(&pdev->dev, "Not found TSU resource\n"); 23636ba88021c36516c26c11eff8c6d7d9a045faecd3Yoshihiro Shimoda goto out_release; 23646ba88021c36516c26c11eff8c6d7d9a045faecd3Yoshihiro Shimoda } 23656ba88021c36516c26c11eff8c6d7d9a045faecd3Yoshihiro Shimoda mdp->tsu_addr = ioremap(rtsu->start, 23666ba88021c36516c26c11eff8c6d7d9a045faecd3Yoshihiro Shimoda resource_size(rtsu)); 23676743fe6df43b4dc5950f605edfeee086d0a80f06Yoshihiro Shimoda mdp->port = devno % 2; 236871cc7c37af71b497698f7f8a68e46a458071fcefYoshihiro Shimoda ndev->features = NETIF_F_HW_VLAN_FILTER; 23696ba88021c36516c26c11eff8c6d7d9a045faecd3Yoshihiro Shimoda } 23706ba88021c36516c26c11eff8c6d7d9a045faecd3Yoshihiro Shimoda 2371150647fb2c313d7c5184fca3fa0829a4a7d6f7bcYoshihiro Shimoda /* initialize first or needed device */ 2372150647fb2c313d7c5184fca3fa0829a4a7d6f7bcYoshihiro Shimoda if (!devno || pd->needs_init) { 2373380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda if (mdp->cd->chip_reset) 2374380af9e390ec81e74a2fd7fad948a8b12eeec7daYoshihiro Shimoda mdp->cd->chip_reset(ndev); 237586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 23764986b996882d82c68ab54b822d7cfdd7dd35f19aYoshihiro Shimoda if (mdp->cd->tsu) { 23774986b996882d82c68ab54b822d7cfdd7dd35f19aYoshihiro Shimoda /* TSU init (Init only)*/ 23784986b996882d82c68ab54b822d7cfdd7dd35f19aYoshihiro Shimoda sh_eth_tsu_init(mdp); 23794986b996882d82c68ab54b822d7cfdd7dd35f19aYoshihiro Shimoda } 238086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu } 238186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 238286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* network device register */ 238386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu ret = register_netdev(ndev); 238486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (ret) 238586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu goto out_release; 238686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 238786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* mdio bus init */ 2388b3017e6a03d261778ad9450b5510460c4d462203Yoshihiro Shimoda ret = sh_mdio_init(ndev, pdev->id, pd); 238986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (ret) 239086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu goto out_unregister; 239186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 239225985edcedea6396277003854657b5f3cb31a628Lucas De Marchi /* print device information */ 23936cd9b49d7328c4656bfc17fcb47fb814955d40d2H Hartley Sweeten pr_info("Base address at 0x%x, %pM, IRQ %d.\n", 23946cd9b49d7328c4656bfc17fcb47fb814955d40d2H Hartley Sweeten (u32)ndev->base_addr, ndev->dev_addr, ndev->irq); 239586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 239686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu platform_set_drvdata(pdev, ndev); 239786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 239886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return ret; 239986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 240086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsuout_unregister: 240186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu unregister_netdev(ndev); 240286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 240386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsuout_release: 240486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu /* net_dev free */ 2405ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda if (mdp && mdp->addr) 2406ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda iounmap(mdp->addr); 2407ec0d75518cb06261f1823fa2713fe52b9b26455eKuninori Morimoto if (mdp && mdp->tsu_addr) 24084986b996882d82c68ab54b822d7cfdd7dd35f19aYoshihiro Shimoda iounmap(mdp->tsu_addr); 240986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu if (ndev) 241086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu free_netdev(ndev); 241186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 241286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsuout: 241386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return ret; 241486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 241586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 241686a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic int sh_eth_drv_remove(struct platform_device *pdev) 241786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu{ 241886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu struct net_device *ndev = platform_get_drvdata(pdev); 24194986b996882d82c68ab54b822d7cfdd7dd35f19aYoshihiro Shimoda struct sh_eth_private *mdp = netdev_priv(ndev); 242086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 24216ba88021c36516c26c11eff8c6d7d9a045faecd3Yoshihiro Shimoda if (mdp->cd->tsu) 24226ba88021c36516c26c11eff8c6d7d9a045faecd3Yoshihiro Shimoda iounmap(mdp->tsu_addr); 242386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu sh_mdio_release(ndev); 242486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu unregister_netdev(ndev); 2425bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm pm_runtime_disable(&pdev->dev); 2426ae70644df780c0e87f1705fda932e7cb1bdb2074Yoshihiro Shimoda iounmap(mdp->addr); 242786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu free_netdev(ndev); 242886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu platform_set_drvdata(pdev, NULL); 242986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 243086a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu return 0; 243186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu} 243286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 2433bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Dammstatic int sh_eth_runtime_nop(struct device *dev) 2434bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm{ 2435bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm /* 2436bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm * Runtime PM callback shared between ->runtime_suspend() 2437bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm * and ->runtime_resume(). Simply returns success. 2438bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm * 2439bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm * This driver re-initializes all registers after 2440bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm * pm_runtime_get_sync() anyway so there is no need 2441bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm * to save and restore registers here. 2442bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm */ 2443bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm return 0; 2444bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm} 2445bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm 2446bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Dammstatic struct dev_pm_ops sh_eth_dev_pm_ops = { 2447bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm .runtime_suspend = sh_eth_runtime_nop, 2448bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm .runtime_resume = sh_eth_runtime_nop, 2449bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm}; 2450bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm 245186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsustatic struct platform_driver sh_eth_driver = { 245286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu .probe = sh_eth_drv_probe, 245386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu .remove = sh_eth_drv_remove, 245486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu .driver = { 245586a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu .name = CARDNAME, 2456bcd5149ded6b2edbf3732fa1483600a716b1cba6Magnus Damm .pm = &sh_eth_dev_pm_ops, 245786a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu }, 245886a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu}; 245986a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 2460db62f684deeb291ab2533b99843d5df9a36b1f19Axel Linmodule_platform_driver(sh_eth_driver); 246186a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro Iwamatsu 246286a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro IwamatsuMODULE_AUTHOR("Nobuhiro Iwamatsu, Yoshihiro Shimoda"); 246386a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro IwamatsuMODULE_DESCRIPTION("Renesas SuperH Ethernet driver"); 246486a74ff21a7ac4bc06b18076ddb0347712b46cfdNobuhiro IwamatsuMODULE_LICENSE("GPL v2"); 2465