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mb/google/octopus: add support for new shared memory config 

Allow for shared dram configuration by introducing a new table
that collapses the common settings after removing the part
numbers. When employing this scheme the part number comes
from CBI.

BUG=b:112203105
TEST=Placed part number in cbi. Faked out memory sku id. And enabled
     DRAM part num always in cbi. Everything checked out.

Change-Id: I5229695ce3eb686421b89ac55d8df4b9fcec705c
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/27991
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Justin TerAvest <teravest@chromium.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
This commit is contained in:
Aaron Durbin 2018-08-09 12:23:43 -06:00
parent 3d45000c9c
commit 6539edef41
1 changed files with 66 additions and 5 deletions
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71
src/mainboard/google/octopus/variants/baseboard/memory.c
View File

@ -14,6 +14,7 @@
*/
#include <baseboard/variants.h>
#include <boardid.h>
#include <compiler.h>
#include <gpio.h>
#include <soc/meminit.h>
@ -63,7 +64,7 @@ const struct lpddr4_swizzle_cfg baseboard_lpddr4_swizzle = {
},
};
static const struct lpddr4_sku skus[] = {
static const struct lpddr4_sku non_cbi_skus[] = {
/*
* K4F6E304HB-MGCJ - both logical channels While the parts
* are listed at 16Gb there are 2 ranks per channel so indicate
@ -140,15 +141,75 @@ static const struct lpddr4_sku skus[] = {
},
};
static const struct lpddr4_cfg lp4cfg = {
.skus = skus,
.num_skus = ARRAY_SIZE(skus),
static const struct lpddr4_cfg non_cbi_lp4cfg = {
.skus = non_cbi_skus,
.num_skus = ARRAY_SIZE(non_cbi_skus),
.swizzle_config = &baseboard_lpddr4_swizzle,
};
static const struct lpddr4_sku cbi_skus[] = {
/* Dual Channel Config 4GiB System Capacity */
[0] = {
.speed = LP4_SPEED_2400,
.ch0_rank_density = LP4_8Gb_DENSITY,
.ch1_rank_density = LP4_8Gb_DENSITY,
},
/* Dual Channel Config 8GiB System Capacity */
[1] = {
.speed = LP4_SPEED_2400,
.ch0_rank_density = LP4_16Gb_DENSITY,
.ch1_rank_density = LP4_16Gb_DENSITY,
},
/* Dual Channel Config 8GiB System Capacity */
[2] = {
.speed = LP4_SPEED_2400,
.ch0_rank_density = LP4_8Gb_DENSITY,
.ch1_rank_density = LP4_8Gb_DENSITY,
.ch0_dual_rank = 1,
.ch1_dual_rank = 1,
},
/* Single Channel Configs 4GiB System Capacity Ch0 populated. */
[3] = {
.speed = LP4_SPEED_2400,
.ch0_rank_density = LP4_16Gb_DENSITY,
},
/* Single Channel Configs 4GiB System Capacity Ch0 populated. */
[4] = {
.speed = LP4_SPEED_2400,
.ch0_rank_density = LP4_8Gb_DENSITY,
.ch0_dual_rank = 1,
},
/* Single Channel Configs 4GiB System Capacity Ch1 populated. */
[5] = {
.speed = LP4_SPEED_2400,
.ch1_rank_density = LP4_16Gb_DENSITY,
},
/* Single Channel Configs 4GiB System Capacity Ch1 populated. */
[6] = {
.speed = LP4_SPEED_2400,
.ch1_rank_density = LP4_8Gb_DENSITY,
.ch1_dual_rank = 1,
},
};
static const struct lpddr4_cfg cbi_lp4cfg = {
.skus = cbi_skus,
.num_skus = ARRAY_SIZE(cbi_skus),
.swizzle_config = &baseboard_lpddr4_swizzle,
};
const struct lpddr4_cfg *__weak variant_lpddr4_config(void)
{
return &lp4cfg;
if (!IS_ENABLED(CONFIG_DRAM_PART_NUM_IN_CBI))
return &non_cbi_lp4cfg;
if (!IS_ENABLED(CONFIG_DRAM_PART_NUM_ALWAYS_IN_CBI)) {
/* Fall back non cbi memory config. */
if (board_id() < CONFIG_DRAM_PART_IN_CBI_BOARD_ID_MIN)
return &non_cbi_lp4cfg;
}
return &cbi_lp4cfg;
}
size_t __weak variant_memory_sku(void)