From bf00401e8a4d58c2717ae0d9d45ea5a0114b0990 Mon Sep 17 00:00:00 2001 From: Shelley Chen Date: Mon, 22 Oct 2018 18:07:04 -0700 Subject: mb/google/poppy/variants/nami: Add field to identify single channel DDR Variants of Nami need to accommodate single channel DDR. Will use GPP_D10 on nami for identification. GPP_D10 will return 1 when device is using single channel DDR and 0 when using dual channel DDR. BUG=b:117194353 BRANCH=None TEST=dmidecode | grep Channel and make sure that the correct number of channels gets returned. Change-Id: If86ab2c5404c4e818ce496ea935227ab5e51730a Signed-off-by: Shelley Chen Reviewed-on: https://review.coreboot.org/29233 Tested-by: build bot (Jenkins) --- src/mainboard/google/poppy/romstage.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'src/mainboard/google/poppy/romstage.c') diff --git a/src/mainboard/google/poppy/romstage.c b/src/mainboard/google/poppy/romstage.c index bac1e17889..9de1602a1a 100644 --- a/src/mainboard/google/poppy/romstage.c +++ b/src/mainboard/google/poppy/romstage.c @@ -171,7 +171,10 @@ void mainboard_memory_init_params(FSPM_UPD *mupd) memcpy(&mem_cfg->RcompTarget, p.rcomp_target, p.rcomp_target_size); mem_cfg->MemorySpdPtr00 = mainboard_get_spd_data(p.type, p.use_sec_spd); - mem_cfg->MemorySpdPtr10 = mem_cfg->MemorySpdPtr00; + if (p.single_channel) + mem_cfg->MemorySpdPtr10 = 0; + else + mem_cfg->MemorySpdPtr10 = mem_cfg->MemorySpdPtr00; mem_cfg->MemorySpdDataLen = spd_info[p.type].len; mem_cfg->SaOcSupport = p.enable_sa_oc_support; -- cgit v1.2.3