[coreboot] [PATCH] New config option for 440BX northbridge
Joseph Smith
joe at settoplinux.org
Sat Mar 13 01:08:51 CET 2010
On 03/12/2010 06:07 PM, ron minnich wrote:
> On Fri, Mar 12, 2010 at 2:55 PM, Keith Hui<buurin at gmail.com> wrote:
>
>> If we go through all the Kconfigs for all 440BX boards and identify all that
>> have 4 slots, and enter this setting for all of them, done before my 440BX
>> ram init code is ready. ;-) There is a reason for expert mode, no?
>
> I think this goes beyond expert mode. It seems to me it is a setting
> that can render the machine unbootable if configured incorrectly. Even
> for experts, I don't think it should be visible in Kconfig.
>
has anyone even tested this yet???
>> slot4_detect = (spd_read_byte((DIMM_SPD_BASE + 3), SPD_MEMORY_TYPE);
>>
>> if (slot4_detect != 0xff) {
>>
>> /* We have 4 slots */
>> ----Set bit 4 in SDRAMPWR----
>> #define DIMM_SOCKETS 4
>> } else {
>>
>> /* We have 3 slots */
>> ----Set bit 4 in SDRAMPWR----
>> #define DIMM_SOCKETS 3
>> }
>>
--
Thanks,
Joseph Smith
Set-Top-Linux
www.settoplinux.org
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