[SeaBIOS] [PATCH v8 3/3] ich9: implement strap SPKR pin logic

Paolo Bonzini pbonzini at redhat.com
Thu Jul 2 08:55:35 CEST 2015

On 02/07/2015 03:30, Paulo Alcantara wrote:
> No, the iTCO_wdt driver won't fail to start. It actually depends on
> whether RCBA BAR is set. However, ICH9 will just ignore whether
> NO_REBOOT is set or unset when SPKR pin is high.

This is the code I was referring to, in iTCO_wdt_start:

        /* disable chipset's NO_REBOOT bit */
        if (iTCO_wdt_unset_NO_REBOOT_bit()) {
                pr_err("failed to reset NO_REBOOT flag, reboot disabled by hardware/BIOS\n");
                return -EIO;


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