Re: Board hangs after soft_reset() in auto.c

[Liu Tao]

I was using the old .upos version ht_c[] and misconfigured the upos value,
after fixed the value soft resets OK with ht_optimize_link(). Another
needs_reset request comes from apply_cpu_errata_fixes().

Regards,
Liu Tao

YhLu wrote:
> It seems that you only have one CPU. Then without ht_optimize_link in
> in_conherent.c  you even don't need to do soft_reset.
>
> What's the value in you resource_map.c?
>
> You need update that to
>
> PCI_ADDR(0, 0x18, 1, 0xE0), 0x0000FC88, 0x06000203, // AMD

8131/8111 on
> link0 of CPU 0
>    PCI_ADDR(0, 0x18, 1, 0xE4), 0x0000FC88, 0x09070003, // AMD 8131 on

link1
> of CPU 0
>    PCI_ADDR(0, 0x18, 1, 0xE8), 0x0000FC88, 0x0c0a0003, // AMD 8131 on

link2
> of CPU 0
>    PCI_ADDR(0, 0x18, 1, 0xEC), 0x0000FC88, 0x00000000,
>
> In the auto.c
>    static const struct ht_chain ht_c[] = {
>            { /* Link 0 of CPU0 */
>                    .devreg = 0xe0,  /* Preset bus num in resource map
>
> */
>                },   
>                { /* Link 1 of CPU0 */
>                        .devreg = 0xe4,  /* Preset bus num in resource map
> */
>                },   
>                { /* Link 2 of CPU0 */
>                        .devreg = 0xe8,  /* Preset bus num in resource map
> */
>                },   
>        };