diff options
| author | Sheng-Liang Pan <sheng-liang.pan@quanta.corp-partner.google.com> | 2020-07-24 14:23:10 +0800 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2020-07-28 19:19:16 +0000 |
| commit | 91f841778675c84a63923ae64b88dae7028f8479 (patch) | |
| tree | 7ab9c95a7ce02a38d242583d6576d664aa99d74e /src/mainboard | |
| parent | 9399de9bb7ed59e36704e024199c229a595b9a37 (diff) | |
mb/google/volteer/var/voxel: Add memory configuration
Update dq/dqs mappings based on voxel schematics.
BUG=b:155062561
BRANCH=none
TEST=FW_NAME=voxel emerge-volteer coreboot chromeos-bootimage
Signed-off-by: Pan Sheng-Liang <sheng-liang.pan@quanta.corp-partner.google.com>
Change-Id: Ida248094a1477fe457026e18f313385082ee71f0
Reviewed-on: https://review.coreboot.org/c/coreboot/+/43794
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/mainboard')
| -rw-r--r-- | src/mainboard/google/volteer/variants/voxel/Makefile.inc | 2 | ||||
| -rw-r--r-- | src/mainboard/google/volteer/variants/voxel/memory.c | 60 |
2 files changed, 62 insertions, 0 deletions
diff --git a/src/mainboard/google/volteer/variants/voxel/Makefile.inc b/src/mainboard/google/volteer/variants/voxel/Makefile.inc index 13269db5ec..b0bfc567ff 100644 --- a/src/mainboard/google/volteer/variants/voxel/Makefile.inc +++ b/src/mainboard/google/volteer/variants/voxel/Makefile.inc @@ -2,4 +2,6 @@ bootblock-y += gpio.c +romstage-y += memory.c + ramstage-y += gpio.c diff --git a/src/mainboard/google/volteer/variants/voxel/memory.c b/src/mainboard/google/volteer/variants/voxel/memory.c new file mode 100644 index 0000000000..455b18045d --- /dev/null +++ b/src/mainboard/google/volteer/variants/voxel/memory.c @@ -0,0 +1,60 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include <baseboard/variants.h> + +static const struct lpddr4x_cfg voxel_memcfg = { + /* DQ byte map */ + .dq_map = { + [0] = { + { 3, 0, 1, 2, 6, 7, 5, 4, }, /* DDR0_DQ0[7:0] */ + { 12, 15, 14, 13, 8, 9, 10, 11 }, /* DDR0_DQ1[7:0] */ + }, + [1] = { + { 12, 15, 13, 14, 10, 8, 11, 9, }, /* DDR1_DQ0[7:0] */ + { 5, 6, 7, 4, 0, 3, 1, 2 }, /* DDR1_DQ1[7:0] */ + }, + [2] = { + { 2, 3, 0, 1, 7, 6, 5, 4, }, /* DDR2_DQ0[7:0] */ + { 12, 14, 15, 13, 10, 9, 8, 11 }, /* DDR2_DQ1[7:0] */ + }, + [3] = { + { 15, 12, 13, 14, 8, 9, 10, 11, }, /* DDR3_DQ0[7:0] */ + { 7, 6, 4, 5, 2, 0, 3, 1 }, /* DDR3_DQ1[7:0] */ + }, + [4] = { + { 6, 5, 4, 7, 0, 3, 2, 1, }, /* DDR4_DQ0[7:0] */ + { 15, 14, 13, 12, 11, 8, 9, 10 }, /* DDR4_DQ1[7:0] */ + }, + [5] = { + { 11, 9, 10, 8, 12, 14, 13, 15, }, /* DDR5_DQ0[7:0] */ + { 1, 0, 2, 3, 6, 7, 5, 4 }, /* DDR5_DQ1[7:0] */ + }, + [6] = { + { 2, 3, 0, 1, 5, 4, 6, 7, }, /* DDR6_DQ0[7:0] */ + { 13, 14, 15, 12, 11, 10, 8, 9 }, /* DDR6_DQ1[7:0] */ + }, + [7] = { + { 14, 13, 15, 12, 9, 8, 10, 11, }, /* DDR7_DQ0[7:0] */ + { 4, 5, 1, 2, 6, 0, 3, 7 }, /* DDR7_DQ1[7:0] */ + }, + }, + + /* DQS CPU<>DRAM map */ + .dqs_map = { + [0] = { 0, 1 }, /* DDR0_DQS[1:0] */ + [1] = { 1, 0 }, /* DDR1_DQS[1:0] */ + [2] = { 0, 1 }, /* DDR2_DQS[1:0] */ + [3] = { 1, 0 }, /* DDR3_DQS[1:0] */ + [4] = { 0, 1 }, /* DDR4_DQS[1:0] */ + [5] = { 1, 0 }, /* DDR5_DQS[1:0] */ + [6] = { 0, 1 }, /* DDR6_DQS[1:0] */ + [7] = { 1, 0 }, /* DDR7_DQS[1:0] */ + }, + + .ect = 1, /* Enable Early Command Training */ +}; + +const struct lpddr4x_cfg *variant_memory_params(void) +{ + return &voxel_memcfg; +} |