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mb/intel/adlrvp: Add support for LPDDR5 

This patch adds LPDDR5 memory configuration parameters to FSP.

TEST=Able to pass FSP-M MRC training on LPDDR5 RVP.

Signed-off-by: Sridhar Siricilla <sridhar.siricilla@intel.com>
Change-Id: I787bf97dd6c244bd3b0662e5bd061a2da80baa90
Reviewed-on: https://review.coreboot.org/c/coreboot/+/46899
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: V Sowmya <v.sowmya@intel.com>
This commit is contained in:
Sridhar Siricilla 2020-10-28 22:28:07 +05:30 committed by Subrata Banik
parent 4cb8776c31
commit ae81d59eca
5 changed files with 71 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
src/mainboard/intel/adlrvp/include/baseboard/variants.h
View File

@ -14,6 +14,8 @@ enum adl_boardid {
ADL_P_LP4_2 = 0x11,
/* ADL-P DDR5 RVPs */
ADL_P_DDR5 = 0x12,
/* ADL-P LPDDR5 RVP */
ADL_P_LP5 = 0x13,
/* ADL-P DDR4 RVPs */
ADL_P_DDR4_1 = 0x14,
ADL_P_DDR4_2 = 0x3F,

30
src/mainboard/intel/adlrvp/memory.c
View File

@ -44,6 +44,34 @@ static const struct mb_cfg lpddr4_mem_config = {
.UserBd = BOARD_TYPE_MOBILE,
};
static const struct mb_cfg lp5_mem_config = {
/* DQ byte map */
.dq_map = {
{ 3, 2, 1, 0, 5, 4, 6, 7, 15, 14, 12, 13, 8, 9, 10, 11 },
{ 0, 2, 3, 1, 5, 7, 4, 6, 14, 13, 15, 12, 8, 9, 11, 10 },
{ 1, 2, 0, 3, 4, 6, 5, 7, 15, 13, 12, 14, 9, 10, 8, 11 },
{ 2, 1, 3, 0, 7, 4, 5, 6, 13, 12, 15, 14, 9, 11, 8, 10 },
{ 1, 2, 3, 0, 6, 4, 5, 7, 15, 13, 14, 12, 10, 9, 8, 11 },
{ 1, 0, 3, 2, 6, 7, 4, 5, 14, 12, 15, 13, 8, 9, 10, 11 },
{ 0, 2, 1, 3, 4, 7, 5, 6, 12, 13, 15, 14, 9, 11, 10, 8 },
{ 3, 2, 1, 0, 5, 4, 6, 7, 13, 15, 11, 12, 10, 9, 14, 8 },
},
/* DQS CPU<>DRAM map */
.dqs_map = {
{ 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }
},
.dq_pins_interleaved = false,
.ect = false, /* Early Command Training */
.lp5_ccc_config = 0xff,
.UserBd = BOARD_TYPE_MOBILE,
};
static const struct mb_cfg ddr5_mem_config = {
/* Baseboard uses only 100ohm Rcomp resistors */
.rcomp_resistor = {100, 100, 100},
@ -71,6 +99,8 @@ const struct mb_cfg *variant_memory_params(void)
return &ddr4_mem_config;
case ADL_P_DDR5:
return &ddr5_mem_config;
case ADL_P_LP5:
return &lp5_mem_config;
default:
die("unsupported board id : 0x%x\n", board_id);
}

5
src/mainboard/intel/adlrvp/romstage_fsp_params.c
View File

@ -31,7 +31,7 @@ void mainboard_memory_init_params(FSPM_UPD *mupd)
int board_id = get_board_id();
const bool half_populated = false;
const struct spd_info lpddr4_spd_info = {
const struct spd_info lp4_lp5_spd_info = {
.read_type = READ_SPD_CBFS,
.spd_spec.spd_index = get_spd_index(),
};
@ -56,7 +56,8 @@ void mainboard_memory_init_params(FSPM_UPD *mupd)
break;
case ADL_P_LP4_1:
case ADL_P_LP4_2:
memcfg_init(&mupd->FspmConfig, mem_config, &lpddr4_spd_info, half_populated);
case ADL_P_LP5:
memcfg_init(&mupd->FspmConfig, mem_config, &lp4_lp5_spd_info, half_populated);
break;
default:
die("Unknown board id = 0x%x\n", board_id);

4
src/mainboard/intel/adlrvp/spd/Makefile.inc
View File

@ -1,4 +1,6 @@
## SPDX-License-Identifier: GPL-2.0-only
SPD_SOURCES = adlrvp_lp4 #0b000
SPD_SOURCES = adlrvp_lp4 # 0b000
SPD_SOURCES += empty # 0b001
SPD_SOURCES += empty # 0b002
SPD_SOURCES += adlrvp_lp5 # 0b003

32
src/mainboard/intel/adlrvp/spd/adlrvp_lp5.spd.hex Normal file
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@ -0,0 +1,32 @@
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