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northbridge/gm45: document that raminit doesn't support mirrored ranks 

Change-Id: I8a66a1355974f6771c5e4bae0dc60da2447122d1
Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/33294
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
This commit is contained in:
Felix Held 2019-06-07 14:47:28 +02:00 committed by Felix Held
parent a34b78c981
commit 7f9f3d0cf3
1 changed files with 2 additions and 1 deletions
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3
src/northbridge/intel/gm45/raminit.c
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@ -1593,7 +1593,8 @@ static void jedec_init(const timings_t *const timings,
int ch, r;
FOR_EACH_POPULATED_RANK(dimms, ch, r) {
/* We won't do this in dual-interleaved mode,
so don't care about the offset. */
so don't care about the offset.
Mirrored ranks aren't taken into account here. */
const u32 rankaddr = raminit_get_rank_addr(ch, r);
printk(BIOS_DEBUG, "JEDEC init @0x%08x\n", rankaddr);
MCHBAR32(DCC_MCHBAR) = (MCHBAR32(DCC_MCHBAR) & ~DCC_SET_EREG_MASK) | DCC_SET_EREGx(2);