sravan/system76-coreboot
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

intel/i945: Fix booting on a dual channel configuration

Browse Source 
The register values in dram width programming changed in
commit a4fc7bef7f which broke booting on getac/p470.

TEST=getac/p470 with 2 X8DDS DRAM boots again

Change-Id: I8b3eedc8c5234e8a28948d4dc58bf565024f62ce
Signed-off-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-on: https://review.coreboot.org/29663
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-by: Elyes HAOUAS <ehaouas@noos.fr>
This commit is contained in:
Patrick Georgi
2018-11-16 18:00:12 +01:00
parent 8ad5a62de9
commit 68aed91eb9
1 changed files with 2 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
src/northbridge/intel/i945/raminit.c
View File

@@ -660,13 +660,13 @@ static void sdram_program_dram_width(struct sys_info *sysinfo)
c1dramw |= (0x0000) << 4*(i % 2);
break;
case SYSINFO_DIMM_X8DS:
c1dramw |= (0x0001) << 4*(i % 2);
c1dramw |= (0x0010) << 4*(i % 2);
break;
case SYSINFO_DIMM_X16SS:
c1dramw |= (0x0000) << 4*(i % 2);
break;
case SYSINFO_DIMM_X8DDS:
c1dramw |= (0x0005) << 4*(i % 2);
c1dramw |= (0x0050) << 4*(i % 2);
break;
case SYSINFO_DIMM_NOT_POPULATED:
c1dramw |= (0x0000) << 4*(i % 2);