/*
* SuperH Ethernet device driver
*
- * Copyright (C) 2006,2007 Nobuhiro Iwamatsu
+ * Copyright (C) 2006-2008 Nobuhiro Iwamatsu
* Copyright (C) 2008 Renesas Solutions Corp.
*
* This program is free software; you can redistribute it and/or modify it
* the file called "COPYING".
*/
-#include <linux/version.h>
#include <linux/init.h>
#include <linux/dma-mapping.h>
#include <linux/etherdevice.h>
#include "sh_eth.h"
+/* CPU <-> EDMAC endian convert */
+static inline __u32 cpu_to_edmac(struct sh_eth_private *mdp, u32 x)
+{
+ switch (mdp->edmac_endian) {
+ case EDMAC_LITTLE_ENDIAN:
+ return cpu_to_le32(x);
+ case EDMAC_BIG_ENDIAN:
+ return cpu_to_be32(x);
+ }
+ return x;
+}
+
+static inline __u32 edmac_to_cpu(struct sh_eth_private *mdp, u32 x)
+{
+ switch (mdp->edmac_endian) {
+ case EDMAC_LITTLE_ENDIAN:
+ return le32_to_cpu(x);
+ case EDMAC_BIG_ENDIAN:
+ return be32_to_cpu(x);
+ }
+ return x;
+}
+
/*
* Program the hardware MAC address from dev->dev_addr.
*/
.get_mdio_data = sh_get_mdio,
};
+/* Chip Reset */
static void sh_eth_reset(struct net_device *ndev)
{
u32 ioaddr = ndev->base_addr;
+#if defined(CONFIG_CPU_SUBTYPE_SH7763)
+ int cnt = 100;
+
+ ctrl_outl(EDSR_ENALL, ioaddr + EDSR);
+ ctrl_outl(ctrl_inl(ioaddr + EDMR) | EDMR_SRST, ioaddr + EDMR);
+ while (cnt > 0) {
+ if (!(ctrl_inl(ioaddr + EDMR) & 0x3))
+ break;
+ mdelay(1);
+ cnt--;
+ }
+ if (cnt < 0)
+ printk(KERN_ERR "Device reset fail\n");
+
+ /* Table Init */
+ ctrl_outl(0x0, ioaddr + TDLAR);
+ ctrl_outl(0x0, ioaddr + TDFAR);
+ ctrl_outl(0x0, ioaddr + TDFXR);
+ ctrl_outl(0x0, ioaddr + TDFFR);
+ ctrl_outl(0x0, ioaddr + RDLAR);
+ ctrl_outl(0x0, ioaddr + RDFAR);
+ ctrl_outl(0x0, ioaddr + RDFXR);
+ ctrl_outl(0x0, ioaddr + RDFFR);
+#else
ctrl_outl(ctrl_inl(ioaddr + EDMR) | EDMR_SRST, ioaddr + EDMR);
mdelay(3);
ctrl_outl(ctrl_inl(ioaddr + EDMR) & ~EDMR_SRST, ioaddr + EDMR);
+#endif
}
/* free skb and descriptor buffer */
/* format skb and descriptor buffer */
static void sh_eth_ring_format(struct net_device *ndev)
{
+ u32 ioaddr = ndev->base_addr, reserve = 0;
struct sh_eth_private *mdp = netdev_priv(ndev);
int i;
struct sk_buff *skb;
mdp->rx_skbuff[i] = skb;
if (skb == NULL)
break;
- skb->dev = ndev; /* Mark as being used by this device. */
+ skb->dev = ndev; /* Mark as being used by this device. */
+#if defined(CONFIG_CPU_SUBTYPE_SH7763)
+ reserve = SH7763_SKB_ALIGN
+ - ((uint32_t)skb->data & (SH7763_SKB_ALIGN-1));
+ if (reserve)
+ skb_reserve(skb, reserve);
+#else
skb_reserve(skb, RX_OFFSET);
-
+#endif
/* RX descriptor */
rxdesc = &mdp->rx_ring[i];
rxdesc->addr = (u32)skb->data & ~0x3UL;
- rxdesc->status = cpu_to_le32(RD_RACT | RD_RFP);
+ rxdesc->status = cpu_to_edmac(mdp, RD_RACT | RD_RFP);
/* The size of the buffer is 16 byte boundary. */
rxdesc->buffer_length = (mdp->rx_buf_sz + 16) & ~0x0F;
+ /* Rx descriptor address set */
+ if (i == 0) {
+ ctrl_outl((u32)rxdesc, ioaddr + RDLAR);
+#if defined(CONFIG_CPU_SUBTYPE_SH7763)
+ ctrl_outl((u32)rxdesc, ioaddr + RDFAR);
+#endif
+ }
}
+ /* Rx descriptor address set */
+#if defined(CONFIG_CPU_SUBTYPE_SH7763)
+ ctrl_outl((u32)rxdesc, ioaddr + RDFXR);
+ ctrl_outl(0x1, ioaddr + RDFFR);
+#endif
+
mdp->dirty_rx = (u32) (i - RX_RING_SIZE);
/* Mark the last entry as wrapping the ring. */
- rxdesc->status |= cpu_to_le32(RC_RDEL);
+ rxdesc->status |= cpu_to_edmac(mdp, RD_RDEL);
memset(mdp->tx_ring, 0, tx_ringsize);
for (i = 0; i < TX_RING_SIZE; i++) {
mdp->tx_skbuff[i] = NULL;
txdesc = &mdp->tx_ring[i];
- txdesc->status = cpu_to_le32(TD_TFP);
+ txdesc->status = cpu_to_edmac(mdp, TD_TFP);
txdesc->buffer_length = 0;
+ if (i == 0) {
+ /* Tx descriptor address set */
+ ctrl_outl((u32)txdesc, ioaddr + TDLAR);
+#if defined(CONFIG_CPU_SUBTYPE_SH7763)
+ ctrl_outl((u32)txdesc, ioaddr + TDFAR);
+#endif
+ }
}
- txdesc->status |= cpu_to_le32(TD_TDLE);
+ /* Tx descriptor address set */
+#if defined(CONFIG_CPU_SUBTYPE_SH7763)
+ ctrl_outl((u32)txdesc, ioaddr + TDFXR);
+ ctrl_outl(0x1, ioaddr + TDFFR);
+#endif
+
+ txdesc->status |= cpu_to_edmac(mdp, TD_TDLE);
}
/* Get skb and descriptor buffer */
/* Soft Reset */
sh_eth_reset(ndev);
- ctrl_outl(RPADIR_PADS1, ioaddr + RPADIR); /* SH7712-DMA-RX-PAD2 */
+ /* Descriptor format */
+ sh_eth_ring_format(ndev);
+ ctrl_outl(RPADIR_INIT, ioaddr + RPADIR);
/* all sh_eth int mask */
ctrl_outl(0, ioaddr + EESIPR);
- /* FIFO size set */
+#if defined(CONFIG_CPU_SUBTYPE_SH7763)
+ ctrl_outl(EDMR_EL, ioaddr + EDMR);
+#else
ctrl_outl(0, ioaddr + EDMR); /* Endian change */
+#endif
+ /* FIFO size set */
ctrl_outl((FIFO_SIZE_T | FIFO_SIZE_R), ioaddr + FDR);
ctrl_outl(0, ioaddr + TFTR);
+ /* Frame recv control */
ctrl_outl(0, ioaddr + RMCR);
rx_int_var = mdp->rx_int_var = DESC_I_RINT8 | DESC_I_RINT5;
tx_int_var = mdp->tx_int_var = DESC_I_TINT2;
ctrl_outl(rx_int_var | tx_int_var, ioaddr + TRSCER);
+#if defined(CONFIG_CPU_SUBTYPE_SH7763)
+ /* Burst sycle set */
+ ctrl_outl(0x800, ioaddr + BCULR);
+#endif
+
ctrl_outl((FIFO_F_D_RFF | FIFO_F_D_RFD), ioaddr + FCFTR);
- ctrl_outl(0, ioaddr + TRIMD);
- /* Descriptor format */
- sh_eth_ring_format(ndev);
+#if !defined(CONFIG_CPU_SUBTYPE_SH7763)
+ ctrl_outl(0, ioaddr + TRIMD);
+#endif
- ctrl_outl((u32)mdp->rx_ring, ioaddr + RDLAR);
- ctrl_outl((u32)mdp->tx_ring, ioaddr + TDLAR);
+ /* Recv frame limit set register */
+ ctrl_outl(RFLR_VALUE, ioaddr + RFLR);
ctrl_outl(ctrl_inl(ioaddr + EESR), ioaddr + EESR);
ctrl_outl((DMAC_M_RFRMER | DMAC_M_ECI | 0x003fffff), ioaddr + EESIPR);
ECMR_ZPF | (mdp->duplex ? ECMR_DM : 0) | ECMR_TE | ECMR_RE;
ctrl_outl(val, ioaddr + ECMR);
- ctrl_outl(ECSR_BRCRX | ECSR_PSRTO | ECSR_LCHNG | ECSR_ICD |
- ECSIPR_MPDIP, ioaddr + ECSR);
- ctrl_outl(ECSIPR_BRCRXIP | ECSIPR_PSRTOIP | ECSIPR_LCHNGIP |
- ECSIPR_ICDIP | ECSIPR_MPDIP, ioaddr + ECSIPR);
+
+ /* E-MAC Status Register clear */
+ ctrl_outl(ECSR_INIT, ioaddr + ECSR);
+
+ /* E-MAC Interrupt Enable register */
+ ctrl_outl(ECSIPR_INIT, ioaddr + ECSIPR);
/* Set MAC address */
update_mac_address(ndev);
/* mask reset */
-#if defined(CONFIG_CPU_SUBTYPE_SH7710)
+#if defined(CONFIG_CPU_SUBTYPE_SH7710) || defined(CONFIG_CPU_SUBTYPE_SH7763)
ctrl_outl(APR_AP, ioaddr + APR);
ctrl_outl(MPR_MP, ioaddr + MPR);
ctrl_outl(TPAUSER_UNLIMITED, ioaddr + TPAUSER);
+#endif
+#if defined(CONFIG_CPU_SUBTYPE_SH7710)
ctrl_outl(BCFR_UNLIMITED, ioaddr + BCFR);
#endif
+
/* Setting the Rx mode will start the Rx process. */
ctrl_outl(EDRRR_R, ioaddr + EDRRR);
for (; mdp->cur_tx - mdp->dirty_tx > 0; mdp->dirty_tx++) {
entry = mdp->dirty_tx % TX_RING_SIZE;
txdesc = &mdp->tx_ring[entry];
- if (txdesc->status & cpu_to_le32(TD_TACT))
+ if (txdesc->status & cpu_to_edmac(mdp, TD_TACT))
break;
/* Free the original skb. */
if (mdp->tx_skbuff[entry]) {
mdp->tx_skbuff[entry] = NULL;
freeNum++;
}
- txdesc->status = cpu_to_le32(TD_TFP);
+ txdesc->status = cpu_to_edmac(mdp, TD_TFP);
if (entry >= TX_RING_SIZE - 1)
- txdesc->status |= cpu_to_le32(TD_TDLE);
+ txdesc->status |= cpu_to_edmac(mdp, TD_TDLE);
mdp->stats.tx_packets++;
mdp->stats.tx_bytes += txdesc->buffer_length;
int boguscnt = (mdp->dirty_rx + RX_RING_SIZE) - mdp->cur_rx;
struct sk_buff *skb;
u16 pkt_len = 0;
- u32 desc_status;
+ u32 desc_status, reserve = 0;
rxdesc = &mdp->rx_ring[entry];
- while (!(rxdesc->status & cpu_to_le32(RD_RACT))) {
- desc_status = le32_to_cpu(rxdesc->status);
+ while (!(rxdesc->status & cpu_to_edmac(mdp, RD_RACT))) {
+ desc_status = edmac_to_cpu(mdp, rxdesc->status);
pkt_len = rxdesc->frame_length;
if (--boguscnt < 0)
skb_put(skb, pkt_len);
skb->protocol = eth_type_trans(skb, ndev);
netif_rx(skb);
- ndev->last_rx = jiffies;
mdp->stats.rx_packets++;
mdp->stats.rx_bytes += pkt_len;
}
- rxdesc->status |= cpu_to_le32(RD_RACT);
+ rxdesc->status |= cpu_to_edmac(mdp, RD_RACT);
entry = (++mdp->cur_rx) % RX_RING_SIZE;
}
for (; mdp->cur_rx - mdp->dirty_rx > 0; mdp->dirty_rx++) {
entry = mdp->dirty_rx % RX_RING_SIZE;
rxdesc = &mdp->rx_ring[entry];
+ /* The size of the buffer is 16 byte boundary. */
+ rxdesc->buffer_length = (mdp->rx_buf_sz + 16) & ~0x0F;
+
if (mdp->rx_skbuff[entry] == NULL) {
skb = dev_alloc_skb(mdp->rx_buf_sz);
mdp->rx_skbuff[entry] = skb;
if (skb == NULL)
break; /* Better luck next round. */
skb->dev = ndev;
+#if defined(CONFIG_CPU_SUBTYPE_SH7763)
+ reserve = SH7763_SKB_ALIGN
+ - ((uint32_t)skb->data & (SH7763_SKB_ALIGN-1));
+ if (reserve)
+ skb_reserve(skb, reserve);
+#else
skb_reserve(skb, RX_OFFSET);
+#endif
+ skb->ip_summed = CHECKSUM_NONE;
rxdesc->addr = (u32)skb->data & ~0x3UL;
}
- /* The size of the buffer is 16 byte boundary. */
- rxdesc->buffer_length = (mdp->rx_buf_sz + 16) & ~0x0F;
if (entry >= RX_RING_SIZE - 1)
rxdesc->status |=
- cpu_to_le32(RD_RACT | RD_RFP | RC_RDEL);
+ cpu_to_edmac(mdp, RD_RACT | RD_RFP | RD_RDEL);
else
rxdesc->status |=
- cpu_to_le32(RD_RACT | RD_RFP);
+ cpu_to_edmac(mdp, RD_RACT | RD_RFP);
}
/* Restart Rx engine if stopped. */
/* If we don't need to check status, don't. -KDU */
- ctrl_outl(EDRRR_R, ndev->base_addr + EDRRR);
+ if (!(ctrl_inl(ndev->base_addr + EDRRR) & EDRRR_R))
+ ctrl_outl(EDRRR_R, ndev->base_addr + EDRRR);
return 0;
}
printk(KERN_ERR "Receive Frame Overflow\n");
}
}
-
+#if !defined(CONFIG_CPU_SUBTYPE_SH7763)
if (intr_status & EESR_ADE) {
if (intr_status & EESR_TDE) {
if (intr_status & EESR_TFE)
mdp->stats.tx_fifo_errors++;
}
}
+#endif
if (intr_status & EESR_RDE) {
/* Receive Descriptor Empty int */
mdp->stats.rx_fifo_errors++;
printk(KERN_ERR "Receive FIFO Overflow\n");
}
- if (intr_status &
- (EESR_TWB | EESR_TABT | EESR_ADE | EESR_TDE | EESR_TFE)) {
+ if (intr_status & (EESR_TWB | EESR_TABT |
+#if !defined(CONFIG_CPU_SUBTYPE_SH7763)
+ EESR_ADE |
+#endif
+ EESR_TDE | EESR_TFE)) {
/* Tx error */
u32 edtrr = ctrl_inl(ndev->base_addr + EDTRR);
/* dmesg */
ioaddr = ndev->base_addr;
spin_lock(&mdp->lock);
+ /* Get interrpt stat */
intr_status = ctrl_inl(ioaddr + EESR);
/* Clear interrupt */
ctrl_outl(intr_status, ioaddr + EESR);
- if (intr_status & (EESR_FRC | EESR_RINT8 |
- EESR_RINT5 | EESR_RINT4 | EESR_RINT3 | EESR_RINT2 |
- EESR_RINT1))
+ if (intr_status & (EESR_FRC | /* Frame recv*/
+ EESR_RMAF | /* Multi cast address recv*/
+ EESR_RRF | /* Bit frame recv */
+ EESR_RTLF | /* Long frame recv*/
+ EESR_RTSF | /* short frame recv */
+ EESR_PRE | /* PHY-LSI recv error */
+ EESR_CERF)){ /* recv frame CRC error */
sh_eth_rx(ndev);
- if (intr_status & (EESR_FTC |
- EESR_TINT4 | EESR_TINT3 | EESR_TINT2 | EESR_TINT1)) {
+ }
+ /* Tx Check */
+ if (intr_status & TX_CHECK) {
sh_eth_txfree(ndev);
netif_wake_queue(ndev);
}
if (phydev->duplex != mdp->duplex) {
new_state = 1;
mdp->duplex = phydev->duplex;
+#if defined(CONFIG_CPU_SUBTYPE_SH7763)
+ if (mdp->duplex) { /* FULL */
+ ctrl_outl(ctrl_inl(ioaddr + ECMR) | ECMR_DM,
+ ioaddr + ECMR);
+ } else { /* Half */
+ ctrl_outl(ctrl_inl(ioaddr + ECMR) & ~ECMR_DM,
+ ioaddr + ECMR);
+ }
+#endif
}
if (phydev->speed != mdp->speed) {
new_state = 1;
mdp->speed = phydev->speed;
+#if defined(CONFIG_CPU_SUBTYPE_SH7763)
+ switch (mdp->speed) {
+ case 10: /* 10BASE */
+ ctrl_outl(GECMR_10, ioaddr + GECMR); break;
+ case 100:/* 100BASE */
+ ctrl_outl(GECMR_100, ioaddr + GECMR); break;
+ case 1000: /* 1000BASE */
+ ctrl_outl(GECMR_1000, ioaddr + GECMR); break;
+ default:
+ break;
+ }
+#endif
}
if (mdp->link == PHY_DOWN) {
ctrl_outl((ctrl_inl(ioaddr + ECMR) & ~ECMR_TXF)
| ECMR_DM, ioaddr + ECMR);
new_state = 1;
mdp->link = phydev->link;
- netif_tx_schedule_all(ndev);
- netif_carrier_on(ndev);
- netif_start_queue(ndev);
}
} else if (mdp->link) {
new_state = 1;
mdp->link = PHY_DOWN;
mdp->speed = 0;
mdp->duplex = -1;
- netif_stop_queue(ndev);
- netif_carrier_off(ndev);
}
if (new_state)
char phy_id[BUS_ID_SIZE];
struct phy_device *phydev = NULL;
- snprintf(phy_id, BUS_ID_SIZE, PHY_ID_FMT,
+ snprintf(phy_id, sizeof(phy_id), PHY_ID_FMT,
mdp->mii_bus->id , mdp->phy_id);
mdp->link = PHY_DOWN;
/* Set the timer to check for link beat. */
init_timer(&mdp->timer);
mdp->timer.expires = (jiffies + (24 * HZ)) / 10;/* 2.4 sec. */
- setup_timer(&mdp->timer, sh_eth_timer, ndev);
+ setup_timer(&mdp->timer, sh_eth_timer, (unsigned long)ndev);
return ret;
struct sh_eth_private *mdp = netdev_priv(ndev);
struct sh_eth_txdesc *txdesc;
u32 entry;
- int flags;
+ unsigned long flags;
spin_lock_irqsave(&mdp->lock, flags);
if ((mdp->cur_tx - mdp->dirty_tx) >= (TX_RING_SIZE - 4)) {
txdesc->buffer_length = skb->len;
if (entry >= TX_RING_SIZE - 1)
- txdesc->status |= cpu_to_le32(TD_TACT | TD_TDLE);
+ txdesc->status |= cpu_to_edmac(mdp, TD_TACT | TD_TDLE);
else
- txdesc->status |= cpu_to_le32(TD_TACT);
+ txdesc->status |= cpu_to_edmac(mdp, TD_TACT);
mdp->cur_tx++;
- ctrl_outl(EDTRR_TRNS, ndev->base_addr + EDTRR);
+ if (!(ctrl_inl(ndev->base_addr + EDTRR) & EDTRR_TRNS))
+ ctrl_outl(EDTRR_TRNS, ndev->base_addr + EDTRR);
+
ndev->trans_start = jiffies;
return 0;
ctrl_outl(0, ioaddr + CDCR); /* (write clear) */
mdp->stats.tx_carrier_errors += ctrl_inl(ioaddr + LCCR);
ctrl_outl(0, ioaddr + LCCR); /* (write clear) */
+#if defined(CONFIG_CPU_SUBTYPE_SH7763)
+ mdp->stats.tx_carrier_errors += ctrl_inl(ioaddr + CERCR);/* CERCR */
+ ctrl_outl(0, ioaddr + CERCR); /* (write clear) */
+ mdp->stats.tx_carrier_errors += ctrl_inl(ioaddr + CEECR);/* CEECR */
+ ctrl_outl(0, ioaddr + CEECR); /* (write clear) */
+#else
mdp->stats.tx_carrier_errors += ctrl_inl(ioaddr + CNDCR);
ctrl_outl(0, ioaddr + CNDCR); /* (write clear) */
-
+#endif
return &mdp->stats;
}
ctrl_outl(0, ioaddr + TSU_FWSL0);
ctrl_outl(0, ioaddr + TSU_FWSL1);
ctrl_outl(TSU_FWSLC_POSTENU | TSU_FWSLC_POSTENL, ioaddr + TSU_FWSLC);
+#if defined(CONFIG_CPU_SUBTYPE_SH7763)
+ ctrl_outl(0, ioaddr + TSU_QTAG0); /* Disable QTAG(0->1) */
+ ctrl_outl(0, ioaddr + TSU_QTAG1); /* Disable QTAG(1->0) */
+#else
ctrl_outl(0, ioaddr + TSU_QTAGM0); /* Disable QTAG(0->1) */
ctrl_outl(0, ioaddr + TSU_QTAGM1); /* Disable QTAG(1->0) */
+#endif
ctrl_outl(0, ioaddr + TSU_FWSR); /* all interrupt status clear */
ctrl_outl(0, ioaddr + TSU_FWINMK); /* Disable all interrupt */
ctrl_outl(0, ioaddr + TSU_TEN); /* Disable all CAM entry */
/* Hook up MII support for ethtool */
mdp->mii_bus->name = "sh_mii";
- mdp->mii_bus->dev = &ndev->dev;
- mdp->mii_bus->id[0] = id;
+ mdp->mii_bus->parent = &ndev->dev;
+ snprintf(mdp->mii_bus->id, MII_BUS_ID_SIZE, "%x", id);
/* PHY IRQ */
mdp->mii_bus->irq = kmalloc(sizeof(int)*PHY_MAX_ADDR, GFP_KERNEL);
kfree(mdp->mii_bus->irq);
out_free_bus:
- kfree(mdp->mii_bus);
+ free_mdio_bitbang(mdp->mii_bus);
out_free_bitbang:
kfree(bitbang);
struct resource *res;
struct net_device *ndev = NULL;
struct sh_eth_private *mdp;
+ struct sh_eth_plat_data *pd;
/* get base addr */
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
devno = 0;
ndev->dma = -1;
- ndev->irq = platform_get_irq(pdev, 0);
- if (ndev->irq < 0) {
+ ret = platform_get_irq(pdev, 0);
+ if (ret < 0) {
ret = -ENODEV;
goto out_release;
}
+ ndev->irq = ret;
SET_NETDEV_DEV(ndev, &pdev->dev);
mdp = netdev_priv(ndev);
spin_lock_init(&mdp->lock);
+ pd = (struct sh_eth_plat_data *)(pdev->dev.platform_data);
/* get PHY ID */
- mdp->phy_id = (int)pdev->dev.platform_data;
+ mdp->phy_id = pd->phy;
+ /* EDMAC endian */
+ mdp->edmac_endian = pd->edmac_endian;
/* set function */
ndev->open = sh_eth_open;
/* First device only init */
if (!devno) {
+#if defined(ARSTR)
/* reset device */
- ctrl_outl(ARSTR_ARSTR, ndev->base_addr + ARSTR);
+ ctrl_outl(ARSTR_ARSTR, ARSTR);
mdelay(1);
+#endif
+#if defined(SH_TSU_ADDR)
/* TSU init (Init only)*/
sh_eth_tsu_init(SH_TSU_ADDR);
+#endif
}
/* network device register */
ndev->name, CARDNAME, (u32) ndev->base_addr);
for (i = 0; i < 5; i++)
- printk(KERN_INFO "%2.2x:", ndev->dev_addr[i]);
- printk(KERN_INFO "%2.2x, IRQ %d.\n", ndev->dev_addr[i], ndev->irq);
+ printk("%02X:", ndev->dev_addr[i]);
+ printk("%02X, IRQ %d.\n", ndev->dev_addr[i], ndev->irq);
platform_set_drvdata(pdev, ndev);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff