From 5b1f335ef8aed95e01f040bc7074fb00acc8ab7e Mon Sep 17 00:00:00 2001 From: Furquan Shaikh Date: Thu, 26 Mar 2020 15:36:19 -0700 Subject: soc/intel/tigerlake: Reorganize memory initialization support This change reorganizes memory initialization code for LPDDR4x on TGL to allow sharing of code when adding support for other memory types. In follow-up changes, support for DDR4 will be added. 1. It adds configuration for memory topology which is currently only MEMORY_DOWN, however DDR4 requires more topologies to be supported. 2. spd_info structure is organized to allow mixed topologies as well. 3. DQ/DQS maps are organized to reflect hardware configuration. TEST=Verified that volteer still boots and memory initialization is successful. Signed-off-by: Furquan Shaikh Change-Id: Ib625f2ab30a6e1362a310d9abb3f2051f85c3013 Reviewed-on: https://review.coreboot.org/c/coreboot/+/39865 Tested-by: build bot (Jenkins) Reviewed-by: EricR Lai --- .../baseboard/include/baseboard/variants.h | 2 +- .../google/volteer/variants/baseboard/memory.c | 65 ++++++++++++++-------- 2 files changed, 44 insertions(+), 23 deletions(-) (limited to 'src/mainboard/google/volteer/variants/baseboard') diff --git a/src/mainboard/google/volteer/variants/baseboard/include/baseboard/variants.h b/src/mainboard/google/volteer/variants/baseboard/include/baseboard/variants.h index d5bc63a08c..a7169fe8c9 100644 --- a/src/mainboard/google/volteer/variants/baseboard/include/baseboard/variants.h +++ b/src/mainboard/google/volteer/variants/baseboard/include/baseboard/variants.h @@ -23,7 +23,7 @@ const struct pad_config *variant_override_gpio_table(size_t *num); const struct cros_gpio *variant_cros_gpios(size_t *num); -const struct mb_lpddr4x_cfg *variant_memory_params(void); +const struct lpddr4x_cfg *variant_memory_params(void); int variant_memory_sku(void); #endif /* __BASEBOARD_VARIANTS_H__ */ diff --git a/src/mainboard/google/volteer/variants/baseboard/memory.c b/src/mainboard/google/volteer/variants/baseboard/memory.c index db2946dd33..f2c5a5a146 100644 --- a/src/mainboard/google/volteer/variants/baseboard/memory.c +++ b/src/mainboard/google/volteer/variants/baseboard/memory.c @@ -9,38 +9,59 @@ #include #include -static const struct mb_lpddr4x_cfg baseboard_memcfg = { - /* DQ byte map */ +static const struct lpddr4x_cfg baseboard_memcfg = { + /* DQ CPU<>DRAM map */ .dq_map = { - { 0, 1, 2, 3, 4, 5, 6, 7, /* Byte 0 */ - 12, 13, 14, 15, 11, 10, 9, 8 }, /* Byte 1 */ - { 7, 2, 6, 3, 5, 1, 4, 0, /* Byte 2 */ - 10, 8, 9, 11, 15, 12, 14, 13 }, /* Byte 3 */ - { 3, 2, 1, 0, 4, 5, 6, 7, /* Byte 4 */ - 12, 13, 14, 15, 11, 10, 9, 8 }, /* Byte 5 */ - { 7, 0, 1, 6, 5, 4, 2, 3, /* Byte 6 */ - 15, 14, 8, 9, 10, 12, 11, 13 }, /* Byte 7 */ - { 3, 2, 1, 0, 4, 5, 6, 7, /* Byte 0 */ - 12, 13, 14, 15, 11, 10, 9, 8 }, /* Byte 1 */ - { 3, 4, 2, 5, 0, 6, 1, 7, /* Byte 2 */ - 13, 12, 11, 10, 14, 15, 9, 8 }, /* Byte 3 */ - { 3, 2, 1, 0, 7, 4, 5, 6, /* Byte 4 */ - 15, 14, 13, 12, 8, 9, 10, 11 }, /* Byte 5 */ - { 3, 4, 2, 5, 1, 0, 7, 6, /* Byte 6 */ - 15, 14, 9, 8, 12, 10, 11, 13 } /* Byte 7 */ + [0] = { + { 0, 1, 2, 3, 4, 5, 6, 7, }, /* DDR0_DQ0[7:0] */ + { 12, 13, 14, 15, 11, 10, 9, 8, }, /* DDR0_DQ1[7:0] */ + }, + [1] = { + { 7, 2, 6, 3, 5, 1, 4, 0, }, /* DDR1_DQ0[7:0] */ + { 10, 8, 9, 11, 15, 12, 14, 13, }, /* DDR1_DQ1[7:0] */ + }, + [2] = { + { 3, 2, 1, 0, 4, 5, 6, 7, }, /* DDR2_DQ0[7:0] */ + { 12, 13, 14, 15, 11, 10, 9, 8, }, /* DDR2_DQ1[7:0] */ + }, + [3] = { + { 7, 0, 1, 6, 5, 4, 2, 3, }, /* DDR3_DQ0[7:0] */ + { 15, 14, 8, 9, 10, 12, 11, 13, }, /* DDR3_DQ1[7:0] */ + }, + [4] = { + { 3, 2, 1, 0, 4, 5, 6, 7, }, /* DDR4_DQ0[7:0] */ + { 12, 13, 14, 15, 11, 10, 9, 8, }, /* DDR4_DQ1[7:0] */ + }, + [5] = { + { 3, 4, 2, 5, 0, 6, 1, 7, }, /* DDR5_DQ0[7:0] */ + { 13, 12, 11, 10, 14, 15, 9, 8, }, /* DDR5_DQ1[7:0] */ + }, + [6] = { + { 3, 2, 1, 0, 7, 4, 5, 6, }, /* DDR6_DQ0[7:0] */ + { 15, 14, 13, 12, 8, 9, 10, 11, }, /* DDR6_DQ1[7:0] */ + }, + [7] = { + { 3, 4, 2, 5, 1, 0, 7, 6, }, /* DDR7_DQ0[7:0] */ + { 15, 14, 9, 8, 12, 10, 11, 13, }, /* DDR7_DQ1[7:0] */ + }, }, /* DQS CPU<>DRAM map */ .dqs_map = { - /* Ch 0 1 2 3 */ - { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, - { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 } + [0] = { 0, 1 }, /* DDR0_DQS[1:0] */ + [1] = { 0, 1 }, /* DDR1_DQS[1:0] */ + [2] = { 0, 1 }, /* DDR2_DQS[1:0] */ + [3] = { 0, 1 }, /* DDR3_DQS[1:0] */ + [4] = { 0, 1 }, /* DDR4_DQS[1:0] */ + [5] = { 0, 1 }, /* DDR5_DQS[1:0] */ + [6] = { 0, 1 }, /* DDR6_DQS[1:0] */ + [7] = { 0, 1 }, /* DDR7_DQS[1:0] */ }, .ect = 0, /* Disable Early Command Training */ }; -const struct mb_lpddr4x_cfg *__weak variant_memory_params(void) +const struct lpddr4x_cfg *__weak variant_memory_params(void) { return &baseboard_memcfg; } -- cgit v1.2.3