[U-Boot-Users] [PATCH] Implement general ULi 526x Ethernet driver support in U-boot
Zang Roy-r61911
tie-fei.zang at freescale.com
Thu Nov 15 13:03:53 CET 2007
On Thu, 2007-11-15 at 00:47, Tabi Timur wrote:
> Timur Tabi wrote:
>
> > BTW, where is the code that programs the MAC address *into* the
> IDT/SROM? All
> > we have is code that reads *from* the IDT/SROM. On the 8610, the
> MAC address is
> > stored in I2C EEPROM (address 0x57), and so U-Boot will need to copy
> that into
> > the IDT/SROM *before* this driver runs.
>
> I think I see the problem. The comment in set_mac_addr() is wrong and
> confused me:
>
> +static void set_mac_addr(struct eth_device *dev)
> +{
> + int i;
> + u16 addr;
> + struct uli526x_board_info *db = dev->priv;
> + outl(0x10000, db->ioaddr + DCR0); /* Diagnosis mode */
> + /* Reset dianostic pointer port */
> + outl(0x1c0, db->ioaddr + DCR13);
> + outl(0, db->ioaddr + DCR14); /* Clear reset port */
> + outl(0x10, db->ioaddr + DCR14); /* Reset ID Table pointer */
> + outl(0, db->ioaddr + DCR14); /* Clear reset port */
> + outl(0, db->ioaddr + DCR13); /* Clear CR13 */
> + /* Select ID Table access port */
> + outl(0x1b0, db->ioaddr + DCR13);
> + /* Read MAC address from CR14 */
>
> This should say "Write MAC address to CR14"
You are correct!
Roy
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