[coreboot-gerrit] Change in coreboot[master]: asus/am1i-a: fix the VGA-related PCI resource allocation problems

[Mike Banon (Code Review)]

Mike Banon has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/38214 )

Change subject: asus/am1i-a: fix the VGA-related PCI resource allocation problems
......................................................................

asus/am1i-a: fix the VGA-related PCI resource allocation problems

This workaround helps to avoid the PCI resource allocation problems which happen
if a discrete VGA adapter (i.e. AMD HD6670) has been plugged in to AM1I-A board.
It does not bring any downsides if there is no discrete VGA adapter.

Signed-off-by: Mike Banon 
Change-Id: I84f72459753ae6631ab4b318b71ce89968a336ad
---
M src/mainboard/asus/am1i-a/OemCustomize.c
1 file changed, 2 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/14/38214/1

diff --git a/src/mainboard/asus/am1i-a/OemCustomize.c b/src/mainboard/asus/am1i-a/OemCustomize.c
index e001d43..b6ce293 100644
--- a/src/mainboard/asus/am1i-a/OemCustomize.c
+++ b/src/mainboard/asus/am1i-a/OemCustomize.c
@@ -148,6 +148,8 @@

void board_BeforeInitPost(struct sysinfo *cb, AMD_POST_PARAMS *InitPost)
 {
+	/* Set to 0xD0 instead of 0xE0 to avoid the PCI resource allocation problems. */
+	InitPost->MemConfig.BottomIo = 0xD0;
    InitPost->MemConfig.PlatformMemoryConfiguration = (PSO_ENTRY *)PlatformMemoryTable;
 }