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path: root/drivers/net/at91_emac.c
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Diffstat (limited to 'drivers/net/at91_emac.c')
-rw-r--r--drivers/net/at91_emac.c60
1 files changed, 42 insertions, 18 deletions
diff --git a/drivers/net/at91_emac.c b/drivers/net/at91_emac.c
index 2399569..245da12 100644
--- a/drivers/net/at91_emac.c
+++ b/drivers/net/at91_emac.c
@@ -53,6 +53,10 @@
Please decrease the CONFIG_SYS_RX_ETH_BUFFER value
#endif
+#ifndef CONFIG_DRIVER_AT91EMAC_PHYADDR
+#define CONFIG_DRIVER_AT91EMAC_PHYADDR 0
+#endif
+
/* MDIO clock must not exceed 2.5 MHz, so enable MCK divider */
#if (AT91C_MASTER_CLOCK > 80000000)
#define HCLK_DIV AT91_EMAC_CFG_MCLK_64
@@ -198,12 +202,15 @@ static int at91emac_phy_reset(struct eth_device *netdev)
emac = (at91_emac_t *) netdev->iobase;
adv = ADVERTISE_CSMA | ADVERTISE_ALL;
- at91emac_write(emac, 0, MII_ADVERTISE, adv);
+ at91emac_write(emac, CONFIG_DRIVER_AT91EMAC_PHYADDR,
+ MII_ADVERTISE, adv);
VERBOSEP("%s: Starting autonegotiation...\n", netdev->name);
- at91emac_write(emac, 0, MII_BMCR, (BMCR_ANENABLE | BMCR_ANRESTART));
+ at91emac_write(emac, CONFIG_DRIVER_AT91EMAC_PHYADDR, MII_BMCR,
+ (BMCR_ANENABLE | BMCR_ANRESTART));
for (i = 0; i < 100000 / 100; i++) {
- at91emac_read(emac, 0, MII_BMSR, &status);
+ at91emac_read(emac, CONFIG_DRIVER_AT91EMAC_PHYADDR,
+ MII_BMSR, &status);
if (status & BMSR_ANEGCOMPLETE)
break;
udelay(100);
@@ -229,13 +236,15 @@ static int at91emac_phy_init(struct eth_device *netdev)
emac = (at91_emac_t *) netdev->iobase;
/* Check if the PHY is up to snuff... */
- at91emac_read(emac, 0, MII_PHYSID1, &phy_id);
+ at91emac_read(emac, CONFIG_DRIVER_AT91EMAC_PHYADDR,
+ MII_PHYSID1, &phy_id);
if (phy_id == 0xffff) {
printf("%s: No PHY present\n", netdev->name);
return 1;
}
- at91emac_read(emac, 0, MII_BMSR, &status);
+ at91emac_read(emac, CONFIG_DRIVER_AT91EMAC_PHYADDR,
+ MII_BMSR, &status);
if (!(status & BMSR_LSTATUS)) {
/* Try to re-negotiate if we don't have link already. */
@@ -243,7 +252,8 @@ static int at91emac_phy_init(struct eth_device *netdev)
return 2;
for (i = 0; i < 100000 / 100; i++) {
- at91emac_read(emac, 0, MII_BMSR, &status);
+ at91emac_read(emac, CONFIG_DRIVER_AT91EMAC_PHYADDR,
+ MII_BMSR, &status);
if (status & BMSR_LSTATUS)
break;
udelay(100);
@@ -253,8 +263,10 @@ static int at91emac_phy_init(struct eth_device *netdev)
VERBOSEP("%s: link down\n", netdev->name);
return 3;
} else {
- at91emac_read(emac, 0, MII_ADVERTISE, &adv);
- at91emac_read(emac, 0, MII_LPA, &lpa);
+ at91emac_read(emac, CONFIG_DRIVER_AT91EMAC_PHYADDR,
+ MII_ADVERTISE, &adv);
+ at91emac_read(emac, CONFIG_DRIVER_AT91EMAC_PHYADDR,
+ MII_LPA, &lpa);
media = mii_nway_result(lpa & adv);
speed = (media & (ADVERTISE_100FULL | ADVERTISE_100HALF)
? 1 : 0);
@@ -271,7 +283,7 @@ int at91emac_UpdateLinkSpeed(at91_emac_t *emac)
{
unsigned short stat1;
- at91emac_read(emac, 0, MII_BMSR, &stat1);
+ at91emac_read(emac, CONFIG_DRIVER_AT91EMAC_PHYADDR, MII_BMSR, &stat1);
if (!(stat1 & BMSR_LSTATUS)) /* link status up? */
return 1;
@@ -348,14 +360,6 @@ static int at91emac_init(struct eth_device *netdev, bd_t *bd)
writel(1 << AT91_ID_EMAC, &pmc->pcer);
writel(readl(&emac->ctl) | AT91_EMAC_CTL_CSR, &emac->ctl);
- DEBUG_AT91EMAC("init MAC-ADDR %x%x \n",
- cpu_to_le16(*((u16 *)(netdev->enetaddr + 4))),
- cpu_to_le32(*((u32 *)netdev->enetaddr)));
- writel(cpu_to_le32(*((u32 *)netdev->enetaddr)), &emac->sa2l);
- writel(cpu_to_le16(*((u16 *)(netdev->enetaddr + 4))), &emac->sa2h);
- DEBUG_AT91EMAC("init MAC-ADDR %x%x \n",
- readl(&emac->sa2h), readl(&emac->sa2l));
-
/* Init Ethernet buffers */
for (i = 0; i < RBF_FRAMEMAX; i++) {
dev->rbfdt[i].addr = (unsigned long) NetRxPackets[i];
@@ -372,7 +376,7 @@ static int at91emac_init(struct eth_device *netdev, bd_t *bd)
value = AT91_EMAC_CFG_CAF | AT91_EMAC_CFG_NBC |
HCLK_DIV;
#ifdef CONFIG_RMII
- value |= AT91C_EMAC_RMII;
+ value |= AT91_EMAC_CFG_RMII;
#endif
writel(value, &emac->cfg);
@@ -456,6 +460,25 @@ static int at91emac_recv(struct eth_device *netdev)
return 0;
}
+static int at91emac_write_hwaddr(struct eth_device *netdev)
+{
+ emac_device *dev;
+ at91_emac_t *emac;
+ at91_pmc_t *pmc = (at91_pmc_t *) AT91_PMC_BASE;
+ emac = (at91_emac_t *) netdev->iobase;
+ dev = (emac_device *) netdev->priv;
+
+ writel(1 << AT91_ID_EMAC, &pmc->pcer);
+ DEBUG_AT91EMAC("init MAC-ADDR %x%x \n",
+ cpu_to_le16(*((u16 *)(netdev->enetaddr + 4))),
+ cpu_to_le32(*((u32 *)netdev->enetaddr)));
+ writel(cpu_to_le32(*((u32 *)netdev->enetaddr)), &emac->sa2l);
+ writel(cpu_to_le16(*((u16 *)(netdev->enetaddr + 4))), &emac->sa2h);
+ DEBUG_AT91EMAC("init MAC-ADDR %x%x \n",
+ readl(&emac->sa2h), readl(&emac->sa2l));
+ return 0;
+}
+
int at91emac_register(bd_t *bis, unsigned long iobase)
{
emac_device *emac;
@@ -488,6 +511,7 @@ int at91emac_register(bd_t *bis, unsigned long iobase)
dev->halt = at91emac_halt;
dev->send = at91emac_send;
dev->recv = at91emac_recv;
+ dev->write_hwaddr = at91emac_write_hwaddr;
eth_register(dev);