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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.c22
1 files changed, 15 insertions, 7 deletions
diff --git a/drivers/net/at91_emac.c b/drivers/net/at91_emac.c
index d82459b..ca2b16b 100644
--- a/drivers/net/at91_emac.c
+++ b/drivers/net/at91_emac.c
@@ -127,13 +127,19 @@ void at91emac_DisableMDIO(at91_emac_t *at91mac)
int at91emac_read(at91_emac_t *at91mac, unsigned char addr,
unsigned char reg, unsigned short *value)
{
+ unsigned long netstat;
at91emac_EnableMDIO(at91mac);
writel(AT91_EMAC_MAN_HIGH | AT91_EMAC_MAN_RW_R |
AT91_EMAC_MAN_REGA(reg) | AT91_EMAC_MAN_CODE_802_3 |
AT91_EMAC_MAN_PHYA(addr),
&at91mac->man);
- udelay(10000);
+
+ do {
+ netstat = readl(&at91mac->sr);
+ DEBUG_AT91PHY("poll SR %08lx\n", netstat);
+ } while (!(netstat & AT91_EMAC_SR_IDLE));
+
*value = readl(&at91mac->man) & AT91_EMAC_MAN_DATA_MASK;
at91emac_DisableMDIO(at91mac);
@@ -146,6 +152,7 @@ int at91emac_read(at91_emac_t *at91mac, unsigned char addr,
int at91emac_write(at91_emac_t *at91mac, unsigned char addr,
unsigned char reg, unsigned short value)
{
+ unsigned long netstat;
DEBUG_AT91PHY("AT91PHY write %x REG(%d)=%x\n", at91mac, reg, &value)
at91emac_EnableMDIO(at91mac);
@@ -154,9 +161,14 @@ int at91emac_write(at91_emac_t *at91mac, unsigned char addr,
AT91_EMAC_MAN_REGA(reg) | AT91_EMAC_MAN_CODE_802_3 |
AT91_EMAC_MAN_PHYA(addr) | (value & AT91_EMAC_MAN_DATA_MASK),
&at91mac->man);
- udelay(10000);
+
+ do {
+ netstat = readl(&at91mac->sr);
+ DEBUG_AT91PHY("poll SR %08lx\n", netstat);
+ } while (!(netstat & AT91_EMAC_SR_IDLE));
at91emac_DisableMDIO(at91mac);
+
return 0;
}
@@ -500,11 +512,7 @@ int at91emac_register(bd_t *bis, unsigned long iobase)
memset(emacfix, 0, sizeof(emac_device));
memset(dev, 0, sizeof(*dev));
-#ifndef CONFIG_RMII
- sprintf(dev->name, "AT91 EMAC");
-#else
- sprintf(dev->name, "AT91 EMAC RMII");
-#endif
+ sprintf(dev->name, "emac");
dev->iobase = iobase;
dev->priv = emacfix;
dev->init = at91emac_init;