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fixed PHY link status error for AT91SAM9260

This commit is contained in:
weety 2013-03-16 21:55:34 +08:00
parent e4e938dc8e
commit 3de4b92a68
1 changed files with 12 additions and 3 deletions
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15
bsp/at91sam9260/macb.c
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@ -150,7 +150,7 @@ static void rt_macb_isr(int irq)
}
static void macb_mdio_write(struct rt_macb_eth *macb, rt_uint8_t reg, rt_uint16_t value)
static int macb_mdio_write(struct rt_macb_eth *macb, rt_uint8_t reg, rt_uint16_t value)
{
unsigned long netctl;
unsigned long netstat;
@ -179,7 +179,7 @@ static void macb_mdio_write(struct rt_macb_eth *macb, rt_uint8_t reg, rt_uint16_
rt_sem_release(&macb->mdio_bus_lock);
}
static rt_uint16_t macb_mdio_read(struct rt_macb_eth *macb, rt_uint8_t reg)
static int macb_mdio_read(struct rt_macb_eth *macb, rt_uint8_t reg)
{
unsigned long netctl;
unsigned long netstat;
@ -298,12 +298,21 @@ void macb_update_link(void *param)
{
struct rt_macb_eth *macb = (struct rt_macb_eth *)param;
rt_device_t dev = &macb->parent.parent;
rt_uint32_t status, status_change = 0;
int status, status_change = 0;
rt_uint32_t link;
rt_uint32_t media;
rt_uint16_t adv, lpa;
/* Do a fake read */
status = macb_mdio_read(macb, MII_BMSR);
if (status < 0)
return;
/* Read link and autonegotiation status */
status = macb_mdio_read(macb, MII_BMSR);
if (status < 0)
return;
if ((status & BMSR_LSTATUS) == 0)
link = 0;
else