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Add some comments to make it easier to enable onboard VGA for 

different ROM chip sizes (trivial, tested with 256 KB chip).

Signed-off-by: Uwe Hermann <uwe@hermann-uwe.de>
Acked-by: Uwe Hermann <uwe@hermann-uwe.de>



git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3825 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Uwe Hermann 2008-12-19 14:21:42 +00:00
parent 734acd5982
commit b1fc0ba3fc
2 changed files with 9 additions and 4 deletions
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4
src/mainboard/kontron/986lcd-m/Config.lb
View File

@ -180,7 +180,9 @@ chip northbridge/intel/i945
device pci 01.0 off end # i945 PCIe root port device pci 01.0 off end # i945 PCIe root port
chip drivers/pci/onboard chip drivers/pci/onboard
device pci 02.0 on end # vga controller device pci 02.0 on end # vga controller
register "rom_address" = "0xfff00000" # register "rom_address" = "0xfffc0000" # 256 KB image
# register "rom_address" = "0xfff80000" # 512 KB image
register "rom_address" = "0xfff00000" # 1 MB image
end end
device pci 02.1 on end # display controller device pci 02.1 on end # display controller

7
targets/kontron/986lcd-m/Config.lb
View File

@ -5,12 +5,15 @@ mainboard kontron/986lcd-m
## (normal AND fallback images and payloads). ## (normal AND fallback images and payloads).
option ROM_SIZE = 1024 * 1024 option ROM_SIZE = 1024 * 1024
# Use this line instead if you want to use onboard VGA:
# option ROM_SIZE = (1024 * 1024) - (64 * 1024)
## ROM_IMAGE_SIZE is the maximum number of bytes allowed for a coreboot image, ## ROM_IMAGE_SIZE is the maximum number of bytes allowed for a coreboot image,
## not including any payload. ## not including any payload.
option ROM_IMAGE_SIZE = 0x20000 option ROM_IMAGE_SIZE = 128 * 1024
## FALLBACK_SIZE is the amount of the ROM the complete fallback image ## FALLBACK_SIZE is the amount of the ROM the complete fallback image
## (including payload) will use ## (including payload) will use.
option FALLBACK_SIZE = ROM_SIZE option FALLBACK_SIZE = ROM_SIZE
romimage "fallback" romimage "fallback"