From 95ee5996f70c67c926e907d37f8f1f040fbcb3a6 Mon Sep 17 00:00:00 2001 From: Sridhar Siricilla Date: Mon, 9 Nov 2020 12:13:22 +0530 Subject: soc/intel/alderlake: Add lp5_ccc_config to the board memory configuration TEST=Able to pass LPDDR5 MRC training with Lp5CccConfig override. Signed-off-by: Sridhar Siricilla Change-Id: I24b1cf50c1b0b945fce75239bac38e40aeb8a83a Reviewed-on: https://review.coreboot.org/c/coreboot/+/47436 Reviewed-by: V Sowmya Reviewed-by: Angel Pons Tested-by: build bot (Jenkins) --- src/soc/intel/alderlake/include/soc/meminit.h | 8 ++++++++ src/soc/intel/alderlake/meminit.c | 1 + 2 files changed, 9 insertions(+) (limited to 'src/soc') diff --git a/src/soc/intel/alderlake/include/soc/meminit.h b/src/soc/intel/alderlake/include/soc/meminit.h index 5fed5680c6..36d0750d37 100644 --- a/src/soc/intel/alderlake/include/soc/meminit.h +++ b/src/soc/intel/alderlake/include/soc/meminit.h @@ -90,6 +90,14 @@ struct mb_cfg { /* Board type */ uint8_t UserBd; + + /* + * Command pins mapping for Controller Channel (ccc) + * lp5_ccc_config: Bitmask where bits [3:0] are Controller 0 Channel [3:0] and + * bits [7:4] are Controller 1 Channel [3:0] + * Bit value: 0 = ccc pin mapping is ascending, 1 = ccc pin mapping is descending. + */ + uint8_t lp5_ccc_config; }; /* diff --git a/src/soc/intel/alderlake/meminit.c b/src/soc/intel/alderlake/meminit.c index f5f747d79b..8473ad8a48 100644 --- a/src/soc/intel/alderlake/meminit.c +++ b/src/soc/intel/alderlake/meminit.c @@ -178,6 +178,7 @@ void memcfg_init(FSP_M_CONFIG *mem_cfg, meminit_channels(mem_cfg, board_cfg, spd_data_ptr, half_populated); } + mem_cfg->Lp5CccConfig = board_cfg->lp5_ccc_config; mem_cfg->ECT = board_cfg->ect; mem_cfg->UserBd = board_cfg->UserBd; mem_cfg->DqPinsInterleaved = board_cfg->dq_pins_interleaved; -- cgit v1.2.3