diff options
author | Amanda Huang <amanda_hwang@compal.corp-partner.google.com> | 2024-05-27 16:38:09 +0800 |
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committer | Subrata Banik <subratabanik@google.com> | 2024-06-11 06:28:29 +0000 |
commit | 6a5c50b9957c1b07278b3bfa931993c54b1761d0 (patch) | |
tree | 28e7f0ab3edd49de61ea8aa8bfa70e3888a0789e /src | |
parent | e262230b78ce00ad98b97d987695098c937a770a (diff) |
mb/google/trulo/var/orisa: Add memory config
Fill in memory config based on the the schematic_20240607.
BUG=b:333486830
BRANCH=firmware-nissa-15217.B
TEST=emerge-nissa coreboot
Change-Id: I1456f7385e092b606fc0a35b25f3454600af8b23
Signed-off-by: Amanda Huang <amanda_hwang@compal.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/82662
Reviewed-by: Eric Lai <ericllai@google.com>
Reviewed-by: Subrata Banik <subratabanik@google.com>
Reviewed-by: Kapil Porwal <kapilporwal@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src')
-rw-r--r-- | src/mainboard/google/brya/variants/orisa/Makefile.mk | 1 | ||||
-rw-r--r-- | src/mainboard/google/brya/variants/orisa/memory.c | 111 |
2 files changed, 112 insertions, 0 deletions
diff --git a/src/mainboard/google/brya/variants/orisa/Makefile.mk b/src/mainboard/google/brya/variants/orisa/Makefile.mk index 91f031e7a4..4c33dad4db 100644 --- a/src/mainboard/google/brya/variants/orisa/Makefile.mk +++ b/src/mainboard/google/brya/variants/orisa/Makefile.mk @@ -2,4 +2,5 @@ bootblock-y += gpio.c romstage-y += gpio.c +romstage-y += memory.c ramstage-y += gpio.c diff --git a/src/mainboard/google/brya/variants/orisa/memory.c b/src/mainboard/google/brya/variants/orisa/memory.c new file mode 100644 index 0000000000..2d738554ec --- /dev/null +++ b/src/mainboard/google/brya/variants/orisa/memory.c @@ -0,0 +1,111 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ + +#include <baseboard/variants.h> +#include <gpio.h> +#include <soc/romstage.h> + +static const struct mb_cfg variant_memcfg = { + .type = MEM_TYPE_LP5X, + + .rcomp = { + /* Baseboard uses only 100ohm Rcomp resistors */ + .resistor = 100, + }, + + /* DQ byte map */ + .lpx_dq_map = { + .ddr0 = { + .dq0 = { 12, 9, 10, 11, 14, 13, 8, 15 }, + .dq1 = { 3, 1, 2, 0, 4, 7, 5, 6 }, + }, + .ddr1 = { + .dq0 = { 3, 1, 2, 0, 4, 7, 5, 6 }, + .dq1 = { 13, 9, 8, 11, 10, 14, 15, 12 }, + }, + .ddr2 = { + .dq0 = { 2, 1, 3, 0, 4, 6, 5, 7 }, + .dq1 = { 8, 9, 10, 11, 13, 14, 12, 15 }, + }, + .ddr3 = { + .dq0 = { 3, 0, 1, 2, 5, 6, 4, 7 }, + .dq1 = { 13, 9, 11, 8, 14, 15, 10, 12 }, + }, + .ddr4 = { + .dq0 = { 12, 9, 10, 11, 14, 13, 8, 15 }, + .dq1 = { 3, 1, 2, 0, 4, 7, 5, 6 }, + }, + .ddr5 = { + .dq0 = { 3, 1, 2, 0, 4, 7, 5, 6 }, + .dq1 = { 13, 9, 8, 11, 10, 14, 15, 12 }, + }, + .ddr6 = { + .dq0 = { 2, 1, 3, 0, 4, 6, 5, 7 }, + .dq1 = { 8, 9, 10, 11, 13, 14, 12, 15 }, + }, + .ddr7 = { + .dq0 = { 3, 0, 1, 2, 5, 6, 4, 7 }, + .dq1 = { 13, 9, 11, 8, 14, 15, 10, 12 }, + }, + }, + + /* DQS CPU<>DRAM map */ + .lpx_dqs_map = { + .ddr0 = { .dqs0 = 1, .dqs1 = 0 }, + .ddr1 = { .dqs0 = 0, .dqs1 = 1 }, + .ddr2 = { .dqs0 = 0, .dqs1 = 1 }, + .ddr3 = { .dqs0 = 0, .dqs1 = 1 }, + .ddr4 = { .dqs0 = 1, .dqs1 = 0 }, + .ddr5 = { .dqs0 = 0, .dqs1 = 1 }, + .ddr6 = { .dqs0 = 0, .dqs1 = 1 }, + .ddr7 = { .dqs0 = 0, .dqs1 = 1 }, + }, + + .lp5x_config = { + .ccc_config = 0xff, + }, + + .ect = 1, /* Early Command Training */ + + .UserBd = BOARD_TYPE_MOBILE, +}; + +const struct mb_cfg *variant_memory_params(void) +{ + return &variant_memcfg; +} + +int variant_memory_sku(void) +{ + /* + * Memory configuration board straps + * GPIO_MEM_CONFIG_0 GPP_E1 + * GPIO_MEM_CONFIG_1 GPP_E2 + * GPIO_MEM_CONFIG_2 GPP_E12 + */ + gpio_t spd_gpios[] = { + GPP_E1, + GPP_E2, + GPP_E12, + }; + + return gpio_base2_value(spd_gpios, ARRAY_SIZE(spd_gpios)); +} + +bool variant_is_half_populated(void) +{ + /* + * Ideally half_populated is used in platforms with multiple channels to + * enable only one half of the channel. Alder Lake N has single channel, + * and it would require for new structures to be defined in meminit block + * driver for LPx memory configurations. In order to avoid adding new + * structures, set half_populated to true. This has the same effect as + * having single channel with 64-bit width. + */ + return true; +} + +void variant_get_spd_info(struct mem_spd *spd_info) +{ + spd_info->topo = MEM_TOPO_MEMORY_DOWN; + spd_info->cbfs_index = variant_memory_sku(); +} |