diff options
author | Yoshinori Sato <ysato@users.sourceforge.jp> | 2008-08-06 19:49:00 -0400 |
---|---|---|
committer | Jeff Garzik <jgarzik@redhat.com> | 2008-08-07 02:20:57 -0400 |
commit | 71557a37adb5df17631c493b3b7d912938c720b2 (patch) | |
tree | 7fdb2548aa5053289f0198d057e3428d43367688 /drivers/net/sh_eth.c | |
parent | d91d4bb9db4a7b2a78accff3560bfd42988c56e4 (diff) |
[netdrvr] sh_eth: Add SH7619 support
Add support SH7619 Internal ethernet controler.
Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Diffstat (limited to 'drivers/net/sh_eth.c')
-rw-r--r-- | drivers/net/sh_eth.c | 69 |
1 files changed, 50 insertions, 19 deletions
diff --git a/drivers/net/sh_eth.c b/drivers/net/sh_eth.c index 6a06b9503e4f..25e62cf58d3a 100644 --- a/drivers/net/sh_eth.c +++ b/drivers/net/sh_eth.c | |||
@@ -34,6 +34,29 @@ | |||
34 | 34 | ||
35 | #include "sh_eth.h" | 35 | #include "sh_eth.h" |
36 | 36 | ||
37 | /* CPU <-> EDMAC endian convert */ | ||
38 | static inline __u32 cpu_to_edmac(struct sh_eth_private *mdp, u32 x) | ||
39 | { | ||
40 | switch (mdp->edmac_endian) { | ||
41 | case EDMAC_LITTLE_ENDIAN: | ||
42 | return cpu_to_le32(x); | ||
43 | case EDMAC_BIG_ENDIAN: | ||
44 | return cpu_to_be32(x); | ||
45 | } | ||
46 | return x; | ||
47 | } | ||
48 | |||
49 | static inline __u32 edmac_to_cpu(struct sh_eth_private *mdp, u32 x) | ||
50 | { | ||
51 | switch (mdp->edmac_endian) { | ||
52 | case EDMAC_LITTLE_ENDIAN: | ||
53 | return le32_to_cpu(x); | ||
54 | case EDMAC_BIG_ENDIAN: | ||
55 | return be32_to_cpu(x); | ||
56 | } | ||
57 | return x; | ||
58 | } | ||
59 | |||
37 | /* | 60 | /* |
38 | * Program the hardware MAC address from dev->dev_addr. | 61 | * Program the hardware MAC address from dev->dev_addr. |
39 | */ | 62 | */ |
@@ -240,7 +263,7 @@ static void sh_eth_ring_format(struct net_device *ndev) | |||
240 | /* RX descriptor */ | 263 | /* RX descriptor */ |
241 | rxdesc = &mdp->rx_ring[i]; | 264 | rxdesc = &mdp->rx_ring[i]; |
242 | rxdesc->addr = (u32)skb->data & ~0x3UL; | 265 | rxdesc->addr = (u32)skb->data & ~0x3UL; |
243 | rxdesc->status = cpu_to_le32(RD_RACT | RD_RFP); | 266 | rxdesc->status = cpu_to_edmac(mdp, RD_RACT | RD_RFP); |
244 | 267 | ||
245 | /* The size of the buffer is 16 byte boundary. */ | 268 | /* The size of the buffer is 16 byte boundary. */ |
246 | rxdesc->buffer_length = (mdp->rx_buf_sz + 16) & ~0x0F; | 269 | rxdesc->buffer_length = (mdp->rx_buf_sz + 16) & ~0x0F; |
@@ -262,7 +285,7 @@ static void sh_eth_ring_format(struct net_device *ndev) | |||
262 | mdp->dirty_rx = (u32) (i - RX_RING_SIZE); | 285 | mdp->dirty_rx = (u32) (i - RX_RING_SIZE); |
263 | 286 | ||
264 | /* Mark the last entry as wrapping the ring. */ | 287 | /* Mark the last entry as wrapping the ring. */ |
265 | rxdesc->status |= cpu_to_le32(RD_RDEL); | 288 | rxdesc->status |= cpu_to_edmac(mdp, RD_RDEL); |
266 | 289 | ||
267 | memset(mdp->tx_ring, 0, tx_ringsize); | 290 | memset(mdp->tx_ring, 0, tx_ringsize); |
268 | 291 | ||
@@ -270,10 +293,10 @@ static void sh_eth_ring_format(struct net_device *ndev) | |||
270 | for (i = 0; i < TX_RING_SIZE; i++) { | 293 | for (i = 0; i < TX_RING_SIZE; i++) { |
271 | mdp->tx_skbuff[i] = NULL; | 294 | mdp->tx_skbuff[i] = NULL; |
272 | txdesc = &mdp->tx_ring[i]; | 295 | txdesc = &mdp->tx_ring[i]; |
273 | txdesc->status = cpu_to_le32(TD_TFP); | 296 | txdesc->status = cpu_to_edmac(mdp, TD_TFP); |
274 | txdesc->buffer_length = 0; | 297 | txdesc->buffer_length = 0; |
275 | if (i == 0) { | 298 | if (i == 0) { |
276 | /* Rx descriptor address set */ | 299 | /* Tx descriptor address set */ |
277 | ctrl_outl((u32)txdesc, ioaddr + TDLAR); | 300 | ctrl_outl((u32)txdesc, ioaddr + TDLAR); |
278 | #if defined(CONFIG_CPU_SUBTYPE_SH7763) | 301 | #if defined(CONFIG_CPU_SUBTYPE_SH7763) |
279 | ctrl_outl((u32)txdesc, ioaddr + TDFAR); | 302 | ctrl_outl((u32)txdesc, ioaddr + TDFAR); |
@@ -281,13 +304,13 @@ static void sh_eth_ring_format(struct net_device *ndev) | |||
281 | } | 304 | } |
282 | } | 305 | } |
283 | 306 | ||
284 | /* Rx descriptor address set */ | 307 | /* Tx descriptor address set */ |
285 | #if defined(CONFIG_CPU_SUBTYPE_SH7763) | 308 | #if defined(CONFIG_CPU_SUBTYPE_SH7763) |
286 | ctrl_outl((u32)txdesc, ioaddr + TDFXR); | 309 | ctrl_outl((u32)txdesc, ioaddr + TDFXR); |
287 | ctrl_outl(0x1, ioaddr + TDFFR); | 310 | ctrl_outl(0x1, ioaddr + TDFFR); |
288 | #endif | 311 | #endif |
289 | 312 | ||
290 | txdesc->status |= cpu_to_le32(TD_TDLE); | 313 | txdesc->status |= cpu_to_edmac(mdp, TD_TDLE); |
291 | } | 314 | } |
292 | 315 | ||
293 | /* Get skb and descriptor buffer */ | 316 | /* Get skb and descriptor buffer */ |
@@ -455,7 +478,7 @@ static int sh_eth_txfree(struct net_device *ndev) | |||
455 | for (; mdp->cur_tx - mdp->dirty_tx > 0; mdp->dirty_tx++) { | 478 | for (; mdp->cur_tx - mdp->dirty_tx > 0; mdp->dirty_tx++) { |
456 | entry = mdp->dirty_tx % TX_RING_SIZE; | 479 | entry = mdp->dirty_tx % TX_RING_SIZE; |
457 | txdesc = &mdp->tx_ring[entry]; | 480 | txdesc = &mdp->tx_ring[entry]; |
458 | if (txdesc->status & cpu_to_le32(TD_TACT)) | 481 | if (txdesc->status & cpu_to_edmac(mdp, TD_TACT)) |
459 | break; | 482 | break; |
460 | /* Free the original skb. */ | 483 | /* Free the original skb. */ |
461 | if (mdp->tx_skbuff[entry]) { | 484 | if (mdp->tx_skbuff[entry]) { |
@@ -463,9 +486,9 @@ static int sh_eth_txfree(struct net_device *ndev) | |||
463 | mdp->tx_skbuff[entry] = NULL; | 486 | mdp->tx_skbuff[entry] = NULL; |
464 | freeNum++; | 487 | freeNum++; |
465 | } | 488 | } |
466 | txdesc->status = cpu_to_le32(TD_TFP); | 489 | txdesc->status = cpu_to_edmac(mdp, TD_TFP); |
467 | if (entry >= TX_RING_SIZE - 1) | 490 | if (entry >= TX_RING_SIZE - 1) |
468 | txdesc->status |= cpu_to_le32(TD_TDLE); | 491 | txdesc->status |= cpu_to_edmac(mdp, TD_TDLE); |
469 | 492 | ||
470 | mdp->stats.tx_packets++; | 493 | mdp->stats.tx_packets++; |
471 | mdp->stats.tx_bytes += txdesc->buffer_length; | 494 | mdp->stats.tx_bytes += txdesc->buffer_length; |
@@ -486,8 +509,8 @@ static int sh_eth_rx(struct net_device *ndev) | |||
486 | u32 desc_status, reserve = 0; | 509 | u32 desc_status, reserve = 0; |
487 | 510 | ||
488 | rxdesc = &mdp->rx_ring[entry]; | 511 | rxdesc = &mdp->rx_ring[entry]; |
489 | while (!(rxdesc->status & cpu_to_le32(RD_RACT))) { | 512 | while (!(rxdesc->status & cpu_to_edmac(mdp, RD_RACT))) { |
490 | desc_status = le32_to_cpu(rxdesc->status); | 513 | desc_status = edmac_to_cpu(mdp, rxdesc->status); |
491 | pkt_len = rxdesc->frame_length; | 514 | pkt_len = rxdesc->frame_length; |
492 | 515 | ||
493 | if (--boguscnt < 0) | 516 | if (--boguscnt < 0) |
@@ -522,7 +545,7 @@ static int sh_eth_rx(struct net_device *ndev) | |||
522 | mdp->stats.rx_packets++; | 545 | mdp->stats.rx_packets++; |
523 | mdp->stats.rx_bytes += pkt_len; | 546 | mdp->stats.rx_bytes += pkt_len; |
524 | } | 547 | } |
525 | rxdesc->status |= cpu_to_le32(RD_RACT); | 548 | rxdesc->status |= cpu_to_edmac(mdp, RD_RACT); |
526 | entry = (++mdp->cur_rx) % RX_RING_SIZE; | 549 | entry = (++mdp->cur_rx) % RX_RING_SIZE; |
527 | } | 550 | } |
528 | 551 | ||
@@ -552,10 +575,10 @@ static int sh_eth_rx(struct net_device *ndev) | |||
552 | } | 575 | } |
553 | if (entry >= RX_RING_SIZE - 1) | 576 | if (entry >= RX_RING_SIZE - 1) |
554 | rxdesc->status |= | 577 | rxdesc->status |= |
555 | cpu_to_le32(RD_RACT | RD_RFP | RD_RDEL); | 578 | cpu_to_edmac(mdp, RD_RACT | RD_RFP | RD_RDEL); |
556 | else | 579 | else |
557 | rxdesc->status |= | 580 | rxdesc->status |= |
558 | cpu_to_le32(RD_RACT | RD_RFP); | 581 | cpu_to_edmac(mdp, RD_RACT | RD_RFP); |
559 | } | 582 | } |
560 | 583 | ||
561 | /* Restart Rx engine if stopped. */ | 584 | /* Restart Rx engine if stopped. */ |
@@ -931,9 +954,9 @@ static int sh_eth_start_xmit(struct sk_buff *skb, struct net_device *ndev) | |||
931 | txdesc->buffer_length = skb->len; | 954 | txdesc->buffer_length = skb->len; |
932 | 955 | ||
933 | if (entry >= TX_RING_SIZE - 1) | 956 | if (entry >= TX_RING_SIZE - 1) |
934 | txdesc->status |= cpu_to_le32(TD_TACT | TD_TDLE); | 957 | txdesc->status |= cpu_to_edmac(mdp, TD_TACT | TD_TDLE); |
935 | else | 958 | else |
936 | txdesc->status |= cpu_to_le32(TD_TACT); | 959 | txdesc->status |= cpu_to_edmac(mdp, TD_TACT); |
937 | 960 | ||
938 | mdp->cur_tx++; | 961 | mdp->cur_tx++; |
939 | 962 | ||
@@ -1159,6 +1182,7 @@ static int sh_eth_drv_probe(struct platform_device *pdev) | |||
1159 | struct resource *res; | 1182 | struct resource *res; |
1160 | struct net_device *ndev = NULL; | 1183 | struct net_device *ndev = NULL; |
1161 | struct sh_eth_private *mdp; | 1184 | struct sh_eth_private *mdp; |
1185 | struct sh_eth_plat_data *pd; | ||
1162 | 1186 | ||
1163 | /* get base addr */ | 1187 | /* get base addr */ |
1164 | res = platform_get_resource(pdev, IORESOURCE_MEM, 0); | 1188 | res = platform_get_resource(pdev, IORESOURCE_MEM, 0); |
@@ -1196,8 +1220,11 @@ static int sh_eth_drv_probe(struct platform_device *pdev) | |||
1196 | mdp = netdev_priv(ndev); | 1220 | mdp = netdev_priv(ndev); |
1197 | spin_lock_init(&mdp->lock); | 1221 | spin_lock_init(&mdp->lock); |
1198 | 1222 | ||
1223 | pd = (struct sh_eth_plat_data *)(pdev->dev.platform_data); | ||
1199 | /* get PHY ID */ | 1224 | /* get PHY ID */ |
1200 | mdp->phy_id = (int)pdev->dev.platform_data; | 1225 | mdp->phy_id = pd->phy; |
1226 | /* EDMAC endian */ | ||
1227 | mdp->edmac_endian = pd->edmac_endian; | ||
1201 | 1228 | ||
1202 | /* set function */ | 1229 | /* set function */ |
1203 | ndev->open = sh_eth_open; | 1230 | ndev->open = sh_eth_open; |
@@ -1217,12 +1244,16 @@ static int sh_eth_drv_probe(struct platform_device *pdev) | |||
1217 | 1244 | ||
1218 | /* First device only init */ | 1245 | /* First device only init */ |
1219 | if (!devno) { | 1246 | if (!devno) { |
1247 | #if defined(ARSTR) | ||
1220 | /* reset device */ | 1248 | /* reset device */ |
1221 | ctrl_outl(ARSTR_ARSTR, ARSTR); | 1249 | ctrl_outl(ARSTR_ARSTR, ARSTR); |
1222 | mdelay(1); | 1250 | mdelay(1); |
1251 | #endif | ||
1223 | 1252 | ||
1253 | #if defined(SH_TSU_ADDR) | ||
1224 | /* TSU init (Init only)*/ | 1254 | /* TSU init (Init only)*/ |
1225 | sh_eth_tsu_init(SH_TSU_ADDR); | 1255 | sh_eth_tsu_init(SH_TSU_ADDR); |
1256 | #endif | ||
1226 | } | 1257 | } |
1227 | 1258 | ||
1228 | /* network device register */ | 1259 | /* network device register */ |
@@ -1240,8 +1271,8 @@ static int sh_eth_drv_probe(struct platform_device *pdev) | |||
1240 | ndev->name, CARDNAME, (u32) ndev->base_addr); | 1271 | ndev->name, CARDNAME, (u32) ndev->base_addr); |
1241 | 1272 | ||
1242 | for (i = 0; i < 5; i++) | 1273 | for (i = 0; i < 5; i++) |
1243 | printk(KERN_INFO "%02X:", ndev->dev_addr[i]); | 1274 | printk("%02X:", ndev->dev_addr[i]); |
1244 | printk(KERN_INFO "%02X, IRQ %d.\n", ndev->dev_addr[i], ndev->irq); | 1275 | printk("%02X, IRQ %d.\n", ndev->dev_addr[i], ndev->irq); |
1245 | 1276 | ||
1246 | platform_set_drvdata(pdev, ndev); | 1277 | platform_set_drvdata(pdev, ndev); |
1247 | 1278 | ||