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Diffstat (limited to 'drivers/net/au1000_eth.c')
-rw-r--r--drivers/net/au1000_eth.c441
1 files changed, 223 insertions, 218 deletions
diff --git a/drivers/net/au1000_eth.c b/drivers/net/au1000_eth.c
index a66b06aa1f0b..4da191b87b0d 100644
--- a/drivers/net/au1000_eth.c
+++ b/drivers/net/au1000_eth.c
@@ -55,6 +55,7 @@
55#include <linux/delay.h> 55#include <linux/delay.h>
56#include <linux/crc32.h> 56#include <linux/crc32.h>
57#include <linux/phy.h> 57#include <linux/phy.h>
58#include <linux/platform_device.h>
58 59
59#include <asm/cpu.h> 60#include <asm/cpu.h>
60#include <asm/mipsregs.h> 61#include <asm/mipsregs.h>
@@ -63,6 +64,7 @@
63#include <asm/processor.h> 64#include <asm/processor.h>
64 65
65#include <au1000.h> 66#include <au1000.h>
67#include <au1xxx_eth.h>
66#include <prom.h> 68#include <prom.h>
67 69
68#include "au1000_eth.h" 70#include "au1000_eth.h"
@@ -112,15 +114,15 @@ struct au1000_private *au_macs[NUM_ETH_INTERFACES];
112 * 114 *
113 * PHY detection algorithm 115 * PHY detection algorithm
114 * 116 *
115 * If AU1XXX_PHY_STATIC_CONFIG is undefined, the PHY setup is 117 * If phy_static_config is undefined, the PHY setup is
116 * autodetected: 118 * autodetected:
117 * 119 *
118 * mii_probe() first searches the current MAC's MII bus for a PHY, 120 * mii_probe() first searches the current MAC's MII bus for a PHY,
119 * selecting the first (or last, if AU1XXX_PHY_SEARCH_HIGHEST_ADDR is 121 * selecting the first (or last, if phy_search_highest_addr is
120 * defined) PHY address not already claimed by another netdev. 122 * defined) PHY address not already claimed by another netdev.
121 * 123 *
122 * If nothing was found that way when searching for the 2nd ethernet 124 * If nothing was found that way when searching for the 2nd ethernet
123 * controller's PHY and AU1XXX_PHY1_SEARCH_ON_MAC0 is defined, then 125 * controller's PHY and phy1_search_mac0 is defined, then
124 * the first MII bus is searched as well for an unclaimed PHY; this is 126 * the first MII bus is searched as well for an unclaimed PHY; this is
125 * needed in case of a dual-PHY accessible only through the MAC0's MII 127 * needed in case of a dual-PHY accessible only through the MAC0's MII
126 * bus. 128 * bus.
@@ -129,9 +131,7 @@ struct au1000_private *au_macs[NUM_ETH_INTERFACES];
129 * controller is not registered to the network subsystem. 131 * controller is not registered to the network subsystem.
130 */ 132 */
131 133
132/* autodetection defaults */ 134/* autodetection defaults: phy1_search_mac0 */
133#undef AU1XXX_PHY_SEARCH_HIGHEST_ADDR
134#define AU1XXX_PHY1_SEARCH_ON_MAC0
135 135
136/* static PHY setup 136/* static PHY setup
137 * 137 *
@@ -148,29 +148,6 @@ struct au1000_private *au_macs[NUM_ETH_INTERFACES];
148 * specific irq-map 148 * specific irq-map
149 */ 149 */
150 150
151#if defined(CONFIG_MIPS_BOSPORUS)
152/*
153 * Micrel/Kendin 5 port switch attached to MAC0,
154 * MAC0 is associated with PHY address 5 (== WAN port)
155 * MAC1 is not associated with any PHY, since it's connected directly
156 * to the switch.
157 * no interrupts are used
158 */
159# define AU1XXX_PHY_STATIC_CONFIG
160
161# define AU1XXX_PHY0_ADDR 5
162# define AU1XXX_PHY0_BUSID 0
163# undef AU1XXX_PHY0_IRQ
164
165# undef AU1XXX_PHY1_ADDR
166# undef AU1XXX_PHY1_BUSID
167# undef AU1XXX_PHY1_IRQ
168#endif
169
170#if defined(AU1XXX_PHY0_BUSID) && (AU1XXX_PHY0_BUSID > 0)
171# error MAC0-associated PHY attached 2nd MACs MII bus not supported yet
172#endif
173
174static void enable_mac(struct net_device *dev, int force_reset) 151static void enable_mac(struct net_device *dev, int force_reset)
175{ 152{
176 unsigned long flags; 153 unsigned long flags;
@@ -390,67 +367,55 @@ static int mii_probe (struct net_device *dev)
390 struct au1000_private *const aup = netdev_priv(dev); 367 struct au1000_private *const aup = netdev_priv(dev);
391 struct phy_device *phydev = NULL; 368 struct phy_device *phydev = NULL;
392 369
393#if defined(AU1XXX_PHY_STATIC_CONFIG) 370 if (aup->phy_static_config) {
394 BUG_ON(aup->mac_id < 0 || aup->mac_id > 1); 371 BUG_ON(aup->mac_id < 0 || aup->mac_id > 1);
395 372
396 if(aup->mac_id == 0) { /* get PHY0 */ 373 if (aup->phy_addr)
397# if defined(AU1XXX_PHY0_ADDR) 374 phydev = aup->mii_bus->phy_map[aup->phy_addr];
398 phydev = au_macs[AU1XXX_PHY0_BUSID]->mii_bus->phy_map[AU1XXX_PHY0_ADDR]; 375 else
399# else 376 printk (KERN_INFO DRV_NAME ":%s: using PHY-less setup\n",
400 printk (KERN_INFO DRV_NAME ":%s: using PHY-less setup\n", 377 dev->name);
401 dev->name);
402 return 0;
403# endif /* defined(AU1XXX_PHY0_ADDR) */
404 } else if (aup->mac_id == 1) { /* get PHY1 */
405# if defined(AU1XXX_PHY1_ADDR)
406 phydev = au_macs[AU1XXX_PHY1_BUSID]->mii_bus->phy_map[AU1XXX_PHY1_ADDR];
407# else
408 printk (KERN_INFO DRV_NAME ":%s: using PHY-less setup\n",
409 dev->name);
410 return 0; 378 return 0;
411# endif /* defined(AU1XXX_PHY1_ADDR) */ 379 } else {
412 } 380 int phy_addr;
413 381
414#else /* defined(AU1XXX_PHY_STATIC_CONFIG) */ 382 /* find the first (lowest address) PHY on the current MAC's MII bus */
415 int phy_addr; 383 for (phy_addr = 0; phy_addr < PHY_MAX_ADDR; phy_addr++)
416 384 if (aup->mii_bus->phy_map[phy_addr]) {
417 /* find the first (lowest address) PHY on the current MAC's MII bus */ 385 phydev = aup->mii_bus->phy_map[phy_addr];
418 for (phy_addr = 0; phy_addr < PHY_MAX_ADDR; phy_addr++) 386 if (!aup->phy_search_highest_addr)
419 if (aup->mii_bus->phy_map[phy_addr]) { 387 break; /* break out with first one found */
420 phydev = aup->mii_bus->phy_map[phy_addr]; 388 }
421# if !defined(AU1XXX_PHY_SEARCH_HIGHEST_ADDR)
422 break; /* break out with first one found */
423# endif
424 }
425 389
426# if defined(AU1XXX_PHY1_SEARCH_ON_MAC0) 390 if (aup->phy1_search_mac0) {
427 /* try harder to find a PHY */ 391 /* try harder to find a PHY */
428 if (!phydev && (aup->mac_id == 1)) { 392 if (!phydev && (aup->mac_id == 1)) {
429 /* no PHY found, maybe we have a dual PHY? */ 393 /* no PHY found, maybe we have a dual PHY? */
430 printk (KERN_INFO DRV_NAME ": no PHY found on MAC1, " 394 printk (KERN_INFO DRV_NAME ": no PHY found on MAC1, "
431 "let's see if it's attached to MAC0...\n"); 395 "let's see if it's attached to MAC0...\n");
432 396
433 BUG_ON(!au_macs[0]); 397 /* find the first (lowest address) non-attached PHY on
398 * the MAC0 MII bus */
399 for (phy_addr = 0; phy_addr < PHY_MAX_ADDR; phy_addr++) {
400 struct phy_device *const tmp_phydev =
401 aup->mii_bus->phy_map[phy_addr];
434 402
435 /* find the first (lowest address) non-attached PHY on 403 if (aup->mac_id == 1)
436 * the MAC0 MII bus */ 404 break;
437 for (phy_addr = 0; phy_addr < PHY_MAX_ADDR; phy_addr++) {
438 struct phy_device *const tmp_phydev =
439 au_macs[0]->mii_bus->phy_map[phy_addr];
440 405
441 if (!tmp_phydev) 406 if (!tmp_phydev)
442 continue; /* no PHY here... */ 407 continue; /* no PHY here... */
443 408
444 if (tmp_phydev->attached_dev) 409 if (tmp_phydev->attached_dev)
445 continue; /* already claimed by MAC0 */ 410 continue; /* already claimed by MAC0 */
446 411
447 phydev = tmp_phydev; 412 phydev = tmp_phydev;
448 break; /* found it */ 413 break; /* found it */
414 }
415 }
449 } 416 }
450 } 417 }
451# endif /* defined(AU1XXX_PHY1_SEARCH_OTHER_BUS) */
452 418
453#endif /* defined(AU1XXX_PHY_STATIC_CONFIG) */
454 if (!phydev) { 419 if (!phydev) {
455 printk (KERN_ERR DRV_NAME ":%s: no PHY found\n", dev->name); 420 printk (KERN_ERR DRV_NAME ":%s: no PHY found\n", dev->name);
456 return -1; 421 return -1;
@@ -578,31 +543,6 @@ setup_hw_rings(struct au1000_private *aup, u32 rx_base, u32 tx_base)
578 } 543 }
579} 544}
580 545
581static struct {
582 u32 base_addr;
583 u32 macen_addr;
584 int irq;
585 struct net_device *dev;
586} iflist[2] = {
587#ifdef CONFIG_SOC_AU1000
588 {AU1000_ETH0_BASE, AU1000_MAC0_ENABLE, AU1000_MAC0_DMA_INT},
589 {AU1000_ETH1_BASE, AU1000_MAC1_ENABLE, AU1000_MAC1_DMA_INT}
590#endif
591#ifdef CONFIG_SOC_AU1100
592 {AU1100_ETH0_BASE, AU1100_MAC0_ENABLE, AU1100_MAC0_DMA_INT}
593#endif
594#ifdef CONFIG_SOC_AU1500
595 {AU1500_ETH0_BASE, AU1500_MAC0_ENABLE, AU1500_MAC0_DMA_INT},
596 {AU1500_ETH1_BASE, AU1500_MAC1_ENABLE, AU1500_MAC1_DMA_INT}
597#endif
598#ifdef CONFIG_SOC_AU1550
599 {AU1550_ETH0_BASE, AU1550_MAC0_ENABLE, AU1550_MAC0_DMA_INT},
600 {AU1550_ETH1_BASE, AU1550_MAC1_ENABLE, AU1550_MAC1_DMA_INT}
601#endif
602};
603
604static int num_ifs;
605
606/* 546/*
607 * ethtool operations 547 * ethtool operations
608 */ 548 */
@@ -711,7 +651,6 @@ static int au1000_init(struct net_device *dev)
711 651
712static inline void update_rx_stats(struct net_device *dev, u32 status) 652static inline void update_rx_stats(struct net_device *dev, u32 status)
713{ 653{
714 struct au1000_private *aup = netdev_priv(dev);
715 struct net_device_stats *ps = &dev->stats; 654 struct net_device_stats *ps = &dev->stats;
716 655
717 ps->rx_packets++; 656 ps->rx_packets++;
@@ -969,7 +908,7 @@ static netdev_tx_t au1000_tx(struct sk_buff *skb, struct net_device *dev)
969 } 908 }
970 909
971 pDB = aup->tx_db_inuse[aup->tx_head]; 910 pDB = aup->tx_db_inuse[aup->tx_head];
972 skb_copy_from_linear_data(skb, pDB->vaddr, skb->len); 911 skb_copy_from_linear_data(skb, (void *)pDB->vaddr, skb->len);
973 if (skb->len < ETH_ZLEN) { 912 if (skb->len < ETH_ZLEN) {
974 for (i=skb->len; i<ETH_ZLEN; i++) { 913 for (i=skb->len; i<ETH_ZLEN; i++) {
975 ((char *)pDB->vaddr)[i] = 0; 914 ((char *)pDB->vaddr)[i] = 0;
@@ -1055,53 +994,59 @@ static const struct net_device_ops au1000_netdev_ops = {
1055 .ndo_change_mtu = eth_change_mtu, 994 .ndo_change_mtu = eth_change_mtu,
1056}; 995};
1057 996
1058static struct net_device * au1000_probe(int port_num) 997static int __devinit au1000_probe(struct platform_device *pdev)
1059{ 998{
1060 static unsigned version_printed = 0; 999 static unsigned version_printed = 0;
1061 struct au1000_private *aup = NULL; 1000 struct au1000_private *aup = NULL;
1001 struct au1000_eth_platform_data *pd;
1062 struct net_device *dev = NULL; 1002 struct net_device *dev = NULL;
1063 db_dest_t *pDB, *pDBfree; 1003 db_dest_t *pDB, *pDBfree;
1004 int irq, i, err = 0;
1005 struct resource *base, *macen;
1064 char ethaddr[6]; 1006 char ethaddr[6];
1065 int irq, i, err;
1066 u32 base, macen;
1067 1007
1068 if (port_num >= NUM_ETH_INTERFACES) 1008 base = platform_get_resource(pdev, IORESOURCE_MEM, 0);
1069 return NULL; 1009 if (!base) {
1010 printk(KERN_ERR DRV_NAME ": failed to retrieve base register\n");
1011 err = -ENODEV;
1012 goto out;
1013 }
1070 1014
1071 base = CPHYSADDR(iflist[port_num].base_addr ); 1015 macen = platform_get_resource(pdev, IORESOURCE_MEM, 1);
1072 macen = CPHYSADDR(iflist[port_num].macen_addr); 1016 if (!macen) {
1073 irq = iflist[port_num].irq; 1017 printk(KERN_ERR DRV_NAME ": failed to retrieve MAC Enable register\n");
1018 err = -ENODEV;
1019 goto out;
1020 }
1074 1021
1075 if (!request_mem_region( base, MAC_IOSIZE, "Au1x00 ENET") || 1022 irq = platform_get_irq(pdev, 0);
1076 !request_mem_region(macen, 4, "Au1x00 ENET")) 1023 if (irq < 0) {
1077 return NULL; 1024 printk(KERN_ERR DRV_NAME ": failed to retrieve IRQ\n");
1025 err = -ENODEV;
1026 goto out;
1027 }
1078 1028
1079 if (version_printed++ == 0) 1029 if (!request_mem_region(base->start, resource_size(base), pdev->name)) {
1080 printk("%s version %s %s\n", DRV_NAME, DRV_VERSION, DRV_AUTHOR); 1030 printk(KERN_ERR DRV_NAME ": failed to request memory region for base registers\n");
1031 err = -ENXIO;
1032 goto out;
1033 }
1034
1035 if (!request_mem_region(macen->start, resource_size(macen), pdev->name)) {
1036 printk(KERN_ERR DRV_NAME ": failed to request memory region for MAC enable register\n");
1037 err = -ENXIO;
1038 goto err_request;
1039 }
1081 1040
1082 dev = alloc_etherdev(sizeof(struct au1000_private)); 1041 dev = alloc_etherdev(sizeof(struct au1000_private));
1083 if (!dev) { 1042 if (!dev) {
1084 printk(KERN_ERR "%s: alloc_etherdev failed\n", DRV_NAME); 1043 printk(KERN_ERR "%s: alloc_etherdev failed\n", DRV_NAME);
1085 return NULL; 1044 err = -ENOMEM;
1045 goto err_alloc;
1086 } 1046 }
1087 1047
1088 dev->base_addr = base; 1048 SET_NETDEV_DEV(dev, &pdev->dev);
1089 dev->irq = irq; 1049 platform_set_drvdata(pdev, dev);
1090 dev->netdev_ops = &au1000_netdev_ops;
1091 SET_ETHTOOL_OPS(dev, &au1000_ethtool_ops);
1092 dev->watchdog_timeo = ETH_TX_TIMEOUT;
1093
1094 err = register_netdev(dev);
1095 if (err != 0) {
1096 printk(KERN_ERR "%s: Cannot register net device, error %d\n",
1097 DRV_NAME, err);
1098 free_netdev(dev);
1099 return NULL;
1100 }
1101
1102 printk("%s: Au1xx0 Ethernet found at 0x%x, irq %d\n",
1103 dev->name, base, irq);
1104
1105 aup = netdev_priv(dev); 1050 aup = netdev_priv(dev);
1106 1051
1107 spin_lock_init(&aup->lock); 1052 spin_lock_init(&aup->lock);
@@ -1112,21 +1057,29 @@ static struct net_device * au1000_probe(int port_num)
1112 (NUM_TX_BUFFS + NUM_RX_BUFFS), 1057 (NUM_TX_BUFFS + NUM_RX_BUFFS),
1113 &aup->dma_addr, 0); 1058 &aup->dma_addr, 0);
1114 if (!aup->vaddr) { 1059 if (!aup->vaddr) {
1115 free_netdev(dev); 1060 printk(KERN_ERR DRV_NAME ": failed to allocate data buffers\n");
1116 release_mem_region( base, MAC_IOSIZE); 1061 err = -ENOMEM;
1117 release_mem_region(macen, 4); 1062 goto err_vaddr;
1118 return NULL;
1119 } 1063 }
1120 1064
1121 /* aup->mac is the base address of the MAC's registers */ 1065 /* aup->mac is the base address of the MAC's registers */
1122 aup->mac = (volatile mac_reg_t *)iflist[port_num].base_addr; 1066 aup->mac = (volatile mac_reg_t *)ioremap_nocache(base->start, resource_size(base));
1067 if (!aup->mac) {
1068 printk(KERN_ERR DRV_NAME ": failed to ioremap MAC registers\n");
1069 err = -ENXIO;
1070 goto err_remap1;
1071 }
1123 1072
1124 /* Setup some variables for quick register address access */ 1073 /* Setup some variables for quick register address access */
1125 aup->enable = (volatile u32 *)iflist[port_num].macen_addr; 1074 aup->enable = (volatile u32 *)ioremap_nocache(macen->start, resource_size(macen));
1126 aup->mac_id = port_num; 1075 if (!aup->enable) {
1127 au_macs[port_num] = aup; 1076 printk(KERN_ERR DRV_NAME ": failed to ioremap MAC enable register\n");
1077 err = -ENXIO;
1078 goto err_remap2;
1079 }
1080 aup->mac_id = pdev->id;
1128 1081
1129 if (port_num == 0) { 1082 if (pdev->id == 0) {
1130 if (prom_get_ethernet_addr(ethaddr) == 0) 1083 if (prom_get_ethernet_addr(ethaddr) == 0)
1131 memcpy(au1000_mac_addr, ethaddr, sizeof(au1000_mac_addr)); 1084 memcpy(au1000_mac_addr, ethaddr, sizeof(au1000_mac_addr));
1132 else { 1085 else {
@@ -1136,7 +1089,7 @@ static struct net_device * au1000_probe(int port_num)
1136 } 1089 }
1137 1090
1138 setup_hw_rings(aup, MAC0_RX_DMA_ADDR, MAC0_TX_DMA_ADDR); 1091 setup_hw_rings(aup, MAC0_RX_DMA_ADDR, MAC0_TX_DMA_ADDR);
1139 } else if (port_num == 1) 1092 } else if (pdev->id == 1)
1140 setup_hw_rings(aup, MAC1_RX_DMA_ADDR, MAC1_TX_DMA_ADDR); 1093 setup_hw_rings(aup, MAC1_RX_DMA_ADDR, MAC1_TX_DMA_ADDR);
1141 1094
1142 /* 1095 /*
@@ -1144,14 +1097,37 @@ static struct net_device * au1000_probe(int port_num)
1144 * to match those that are printed on their stickers 1097 * to match those that are printed on their stickers
1145 */ 1098 */
1146 memcpy(dev->dev_addr, au1000_mac_addr, sizeof(au1000_mac_addr)); 1099 memcpy(dev->dev_addr, au1000_mac_addr, sizeof(au1000_mac_addr));
1147 dev->dev_addr[5] += port_num; 1100 dev->dev_addr[5] += pdev->id;
1148 1101
1149 *aup->enable = 0; 1102 *aup->enable = 0;
1150 aup->mac_enabled = 0; 1103 aup->mac_enabled = 0;
1151 1104
1105 pd = pdev->dev.platform_data;
1106 if (!pd) {
1107 printk(KERN_INFO DRV_NAME ": no platform_data passed, PHY search on MAC0\n");
1108 aup->phy1_search_mac0 = 1;
1109 } else {
1110 aup->phy_static_config = pd->phy_static_config;
1111 aup->phy_search_highest_addr = pd->phy_search_highest_addr;
1112 aup->phy1_search_mac0 = pd->phy1_search_mac0;
1113 aup->phy_addr = pd->phy_addr;
1114 aup->phy_busid = pd->phy_busid;
1115 aup->phy_irq = pd->phy_irq;
1116 }
1117
1118 if (aup->phy_busid && aup->phy_busid > 0) {
1119 printk(KERN_ERR DRV_NAME ": MAC0-associated PHY attached 2nd MACs MII"
1120 "bus not supported yet\n");
1121 err = -ENODEV;
1122 goto err_mdiobus_alloc;
1123 }
1124
1152 aup->mii_bus = mdiobus_alloc(); 1125 aup->mii_bus = mdiobus_alloc();
1153 if (aup->mii_bus == NULL) 1126 if (aup->mii_bus == NULL) {
1154 goto err_out; 1127 printk(KERN_ERR DRV_NAME ": failed to allocate mdiobus structure\n");
1128 err = -ENOMEM;
1129 goto err_mdiobus_alloc;
1130 }
1155 1131
1156 aup->mii_bus->priv = dev; 1132 aup->mii_bus->priv = dev;
1157 aup->mii_bus->read = au1000_mdiobus_read; 1133 aup->mii_bus->read = au1000_mdiobus_read;
@@ -1165,23 +1141,19 @@ static struct net_device * au1000_probe(int port_num)
1165 1141
1166 for(i = 0; i < PHY_MAX_ADDR; ++i) 1142 for(i = 0; i < PHY_MAX_ADDR; ++i)
1167 aup->mii_bus->irq[i] = PHY_POLL; 1143 aup->mii_bus->irq[i] = PHY_POLL;
1168
1169 /* if known, set corresponding PHY IRQs */ 1144 /* if known, set corresponding PHY IRQs */
1170#if defined(AU1XXX_PHY_STATIC_CONFIG) 1145 if (aup->phy_static_config)
1171# if defined(AU1XXX_PHY0_IRQ) 1146 if (aup->phy_irq && aup->phy_busid == aup->mac_id)
1172 if (AU1XXX_PHY0_BUSID == aup->mac_id) 1147 aup->mii_bus->irq[aup->phy_addr] = aup->phy_irq;
1173 aup->mii_bus->irq[AU1XXX_PHY0_ADDR] = AU1XXX_PHY0_IRQ; 1148
1174# endif 1149 err = mdiobus_register(aup->mii_bus);
1175# if defined(AU1XXX_PHY1_IRQ) 1150 if (err) {
1176 if (AU1XXX_PHY1_BUSID == aup->mac_id) 1151 printk(KERN_ERR DRV_NAME " failed to register MDIO bus\n");
1177 aup->mii_bus->irq[AU1XXX_PHY1_ADDR] = AU1XXX_PHY1_IRQ; 1152 goto err_mdiobus_reg;
1178# endif 1153 }
1179#endif
1180 mdiobus_register(aup->mii_bus);
1181 1154
1182 if (mii_probe(dev) != 0) { 1155 if (mii_probe(dev) != 0)
1183 goto err_out; 1156 goto err_out;
1184 }
1185 1157
1186 pDBfree = NULL; 1158 pDBfree = NULL;
1187 /* setup the data buffer descriptors and attach a buffer to each one */ 1159 /* setup the data buffer descriptors and attach a buffer to each one */
@@ -1213,19 +1185,35 @@ static struct net_device * au1000_probe(int port_num)
1213 aup->tx_db_inuse[i] = pDB; 1185 aup->tx_db_inuse[i] = pDB;
1214 } 1186 }
1215 1187
1188 dev->base_addr = base->start;
1189 dev->irq = irq;
1190 dev->netdev_ops = &au1000_netdev_ops;
1191 SET_ETHTOOL_OPS(dev, &au1000_ethtool_ops);
1192 dev->watchdog_timeo = ETH_TX_TIMEOUT;
1193
1216 /* 1194 /*
1217 * The boot code uses the ethernet controller, so reset it to start 1195 * The boot code uses the ethernet controller, so reset it to start
1218 * fresh. au1000_init() expects that the device is in reset state. 1196 * fresh. au1000_init() expects that the device is in reset state.
1219 */ 1197 */
1220 reset_mac(dev); 1198 reset_mac(dev);
1221 1199
1222 return dev; 1200 err = register_netdev(dev);
1201 if (err) {
1202 printk(KERN_ERR DRV_NAME "%s: Cannot register net device, aborting.\n",
1203 dev->name);
1204 goto err_out;
1205 }
1206
1207 printk("%s: Au1xx0 Ethernet found at 0x%lx, irq %d\n",
1208 dev->name, (unsigned long)base->start, irq);
1209 if (version_printed++ == 0)
1210 printk("%s version %s %s\n", DRV_NAME, DRV_VERSION, DRV_AUTHOR);
1211
1212 return 0;
1223 1213
1224err_out: 1214err_out:
1225 if (aup->mii_bus != NULL) { 1215 if (aup->mii_bus != NULL)
1226 mdiobus_unregister(aup->mii_bus); 1216 mdiobus_unregister(aup->mii_bus);
1227 mdiobus_free(aup->mii_bus);
1228 }
1229 1217
1230 /* here we should have a valid dev plus aup-> register addresses 1218 /* here we should have a valid dev plus aup-> register addresses
1231 * so we can reset the mac properly.*/ 1219 * so we can reset the mac properly.*/
@@ -1239,67 +1227,84 @@ err_out:
1239 if (aup->tx_db_inuse[i]) 1227 if (aup->tx_db_inuse[i])
1240 ReleaseDB(aup, aup->tx_db_inuse[i]); 1228 ReleaseDB(aup, aup->tx_db_inuse[i]);
1241 } 1229 }
1230err_mdiobus_reg:
1231 mdiobus_free(aup->mii_bus);
1232err_mdiobus_alloc:
1233 iounmap(aup->enable);
1234err_remap2:
1235 iounmap(aup->mac);
1236err_remap1:
1242 dma_free_noncoherent(NULL, MAX_BUF_SIZE * (NUM_TX_BUFFS + NUM_RX_BUFFS), 1237 dma_free_noncoherent(NULL, MAX_BUF_SIZE * (NUM_TX_BUFFS + NUM_RX_BUFFS),
1243 (void *)aup->vaddr, aup->dma_addr); 1238 (void *)aup->vaddr, aup->dma_addr);
1244 unregister_netdev(dev); 1239err_vaddr:
1245 free_netdev(dev); 1240 free_netdev(dev);
1246 release_mem_region( base, MAC_IOSIZE); 1241err_alloc:
1247 release_mem_region(macen, 4); 1242 release_mem_region(macen->start, resource_size(macen));
1248 return NULL; 1243err_request:
1244 release_mem_region(base->start, resource_size(base));
1245out:
1246 return err;
1249} 1247}
1250 1248
1251/* 1249static int __devexit au1000_remove(struct platform_device *pdev)
1252 * Setup the base address and interrupt of the Au1xxx ethernet macs
1253 * based on cpu type and whether the interface is enabled in sys_pinfunc
1254 * register. The last interface is enabled if SYS_PF_NI2 (bit 4) is 0.
1255 */
1256static int __init au1000_init_module(void)
1257{ 1250{
1258 int ni = (int)((au_readl(SYS_PINFUNC) & (u32)(SYS_PF_NI2)) >> 4); 1251 struct net_device *dev = platform_get_drvdata(pdev);
1259 struct net_device *dev; 1252 struct au1000_private *aup = netdev_priv(dev);
1260 int i, found_one = 0; 1253 int i;
1254 struct resource *base, *macen;
1261 1255
1262 num_ifs = NUM_ETH_INTERFACES - ni; 1256 platform_set_drvdata(pdev, NULL);
1257
1258 unregister_netdev(dev);
1259 mdiobus_unregister(aup->mii_bus);
1260 mdiobus_free(aup->mii_bus);
1261
1262 for (i = 0; i < NUM_RX_DMA; i++)
1263 if (aup->rx_db_inuse[i])
1264 ReleaseDB(aup, aup->rx_db_inuse[i]);
1265
1266 for (i = 0; i < NUM_TX_DMA; i++)
1267 if (aup->tx_db_inuse[i])
1268 ReleaseDB(aup, aup->tx_db_inuse[i]);
1269
1270 dma_free_noncoherent(NULL, MAX_BUF_SIZE *
1271 (NUM_TX_BUFFS + NUM_RX_BUFFS),
1272 (void *)aup->vaddr, aup->dma_addr);
1273
1274 iounmap(aup->mac);
1275 iounmap(aup->enable);
1276
1277 base = platform_get_resource(pdev, IORESOURCE_MEM, 0);
1278 release_mem_region(base->start, resource_size(base));
1279
1280 macen = platform_get_resource(pdev, IORESOURCE_MEM, 1);
1281 release_mem_region(macen->start, resource_size(macen));
1282
1283 free_netdev(dev);
1263 1284
1264 for(i = 0; i < num_ifs; i++) {
1265 dev = au1000_probe(i);
1266 iflist[i].dev = dev;
1267 if (dev)
1268 found_one++;
1269 }
1270 if (!found_one)
1271 return -ENODEV;
1272 return 0; 1285 return 0;
1273} 1286}
1274 1287
1275static void __exit au1000_cleanup_module(void) 1288static struct platform_driver au1000_eth_driver = {
1289 .probe = au1000_probe,
1290 .remove = __devexit_p(au1000_remove),
1291 .driver = {
1292 .name = "au1000-eth",
1293 .owner = THIS_MODULE,
1294 },
1295};
1296MODULE_ALIAS("platform:au1000-eth");
1297
1298
1299static int __init au1000_init_module(void)
1300{
1301 return platform_driver_register(&au1000_eth_driver);
1302}
1303
1304static void __exit au1000_exit_module(void)
1276{ 1305{
1277 int i, j; 1306 platform_driver_unregister(&au1000_eth_driver);
1278 struct net_device *dev;
1279 struct au1000_private *aup;
1280
1281 for (i = 0; i < num_ifs; i++) {
1282 dev = iflist[i].dev;
1283 if (dev) {
1284 aup = netdev_priv(dev);
1285 unregister_netdev(dev);
1286 mdiobus_unregister(aup->mii_bus);
1287 mdiobus_free(aup->mii_bus);
1288 for (j = 0; j < NUM_RX_DMA; j++)
1289 if (aup->rx_db_inuse[j])
1290 ReleaseDB(aup, aup->rx_db_inuse[j]);
1291 for (j = 0; j < NUM_TX_DMA; j++)
1292 if (aup->tx_db_inuse[j])
1293 ReleaseDB(aup, aup->tx_db_inuse[j]);
1294 dma_free_noncoherent(NULL, MAX_BUF_SIZE *
1295 (NUM_TX_BUFFS + NUM_RX_BUFFS),
1296 (void *)aup->vaddr, aup->dma_addr);
1297 release_mem_region(dev->base_addr, MAC_IOSIZE);
1298 release_mem_region(CPHYSADDR(iflist[i].macen_addr), 4);
1299 free_netdev(dev);
1300 }
1301 }
1302} 1307}
1303 1308
1304module_init(au1000_init_module); 1309module_init(au1000_init_module);
1305module_exit(au1000_cleanup_module); 1310module_exit(au1000_exit_module);