[U-Boot-Users] [PATCH] Implement general ULi 526x Ethernet driver support in U-boot

[Zang Roy-r61911 <tie-fei.zang@freescale.com>]

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