[coreboot-gerrit] New patch to review for coreboot: nb/intel/x4x: Increase MMIO PCI space to 2GiB
Damien Zammit (damien@zamaudio.com)
gerrit at coreboot.org
Sun Sep 4 18:46:12 CEST 2016
Damien Zammit (damien at zamaudio.com) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/16494
-gerrit
commit ef0a933b90bb1a0045a5d68d0c4cbd6a37dfa851
Author: Damien Zammit <damien at zamaudio.com>
Date: Mon Sep 5 02:32:40 2016 +1000
nb/intel/x4x: Increase MMIO PCI space to 2GiB
This is necessary for PCI express graphics card add-ons,
otherwise the pci allocator cannot fit the mmio for the
add on card into the space it has available and the OS
turns off the card. Old value was 1GiB.
Change-Id: I606994501b15e636fe209d1ed4b3d3f73b42bf5c
Signed-off-by: Damien Zammit <damien at zamaudio.com>
---
src/northbridge/intel/x4x/raminit_ddr2.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/northbridge/intel/x4x/raminit_ddr2.c b/src/northbridge/intel/x4x/raminit_ddr2.c
index ed6ab60..206ea0b 100644
--- a/src/northbridge/intel/x4x/raminit_ddr2.c
+++ b/src/northbridge/intel/x4x/raminit_ddr2.c
@@ -1633,7 +1633,7 @@ static void mmap_ddr2(struct sysinfo *s)
gfxsize = ggc2uma[(ggc & 0xf0) >> 4];
gttsize = ggc2gtt[(ggc & 0xf00) >> 8];
tsegsize = 1; // 1MB TSEG
- mmiosize = 0x400; // 1GB MMIO
+ mmiosize = 0x800; // 2GB MMIO
tom = s->channel_capacity[0] + s->channel_capacity[1] - ME_UMA_SIZEMB;
tolud = MIN(0x1000 - mmiosize, tom);
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