[coreboot] [PATCH]v2 gfxuma memory support for I82830

[Joseph Smith]

On 03/13/2010 04:25 PM, ron minnich wrote:
> Maybe I'm missing something. You select GFXUMA but nothing seems to
> depend on it?
>
> is there something else out there that uses this variable?
>
This is kind of a pre CAR patch to properly allocate "shared" graphics 
memory area.

CONFIG_GFXUMA is used in src/cpu/x86/mtrr/mtrr.c which is called by the cpu.

Attached is a revised patch which works well.

Signed-off-by: Joseph Smith <joe at settoplinux.org>

See boot snips below:

Root Device assign_resources, bus 0 link: 0
8MB IGD UMA
Available memory: 581632KB
PCI_DOMAIN: 0000 assign_resources, bus 0 link: 0
----------------------------
Adding high table area
Adding UMA memory area
coreboot memory table:
  0. 0000000000000000-0000000000000fff: CONFIGURATION TABLES
  1. 0000000000001000-000000000009ffff: RAM
  2. 0000000000100000-00000000237effff: RAM
  3. 00000000237f0000-00000000237fffff: CONFIGURATION TABLES
  4. 0000000023800000-0000000023ffffff: RESERVED

-- 
Thanks,
Joseph Smith
Set-Top-Linux
www.settoplinux.org
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