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nb/i945/raminit: sdram_set_channel_mode Test if DIMM slot 3 is populated 

Add a test in case we have a DIMM2 not populated but DIMM3 is.

Change-Id: I14f82afe03884740570838e7b2771233356c518d
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/18386
Tested-by: build bot (Jenkins)
Reviewed-by: Nico Huber <nico.h@gmx.de>
This commit is contained in:
Elyes HAOUAS 2017-02-16 18:59:13 +01:00 committed by Martin Roth
parent f797a1ac6a
commit 75da1fb2ba
1 changed files with 3 additions and 2 deletions
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5
src/northbridge/intel/i945/raminit.c
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@ -1943,8 +1943,9 @@ static void sdram_set_channel_mode(struct sys_info *sysinfo)
/* Channel 1 only */
printk(BIOS_DEBUG, "Single Channel 1 only.\n");
reg32 |= (1 << 2);
} else if (sdram_capabilities_dual_channel() && sysinfo->dimm[2] !=
SYSINFO_DIMM_NOT_POPULATED) {
} else if (sdram_capabilities_dual_channel() &&
(sysinfo->dimm[2] != SYSINFO_DIMM_NOT_POPULATED ||
sysinfo->dimm[3] != SYSINFO_DIMM_NOT_POPULATED)) {
/* Dual Channel Asymmetric */
printk(BIOS_DEBUG, "Dual Channel Asymmetric.\n");
reg32 |= (1 << 0);