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mainboard/up/squared: Add one more DRAM configuration 

Add a new configuration option with more density for
8GB variants of the up squared board.
Settings are taken from slimbootloader.

Signed-off-by: Florian Laufenböck <florian@laufenbock.de>
Change-Id: I217b04be94e913b75e2bac0a4ae1c43f2411a044
Reviewed-on: https://review.coreboot.org/c/coreboot/+/56509
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by:  Felix Singer <felixsinger@posteo.net>
This commit is contained in:
Florian Laufenböck 2021-07-22 09:47:03 +02:00 committed by Patrick Georgi
parent dee281d03f
commit e85b6de804
1 changed files with 13 additions and 1 deletions
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14
src/mainboard/up/squared/romstage.c
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@ -83,7 +83,7 @@ static const uint8_t ch3_bit_swizzling[] = {
* 0 0 2 GiB * 0 0 2 GiB
* 0 1 4 GiB * 0 1 4 GiB
* 1 0 8 GiB * 1 0 8 GiB
* 1 1 Reserved * 1 1 8 GiB
*/ */
static uint8_t get_memory_skuid(void) static uint8_t get_memory_skuid(void)
{ {
@ -142,6 +142,18 @@ void mainboard_memory_init_params(FSPM_UPD *memupd)
config->Ch3_DramDensity = 2; config->Ch3_DramDensity = 2;
printk(BIOS_INFO, "MAINBOARD: Found supported memory: 8GB\n"); printk(BIOS_INFO, "MAINBOARD: Found supported memory: 8GB\n");
break; break;
case 3: /* 8GB */
config->DualRankSupportEnable = 1;
config->Ch0_RankEnable = 1;
config->Ch0_DramDensity = 4;
config->Ch1_RankEnable = 1;
config->Ch1_DramDensity = 4;
config->Ch2_RankEnable = 1;
config->Ch2_DramDensity = 4;
config->Ch3_RankEnable = 1;
config->Ch3_DramDensity = 4;
printk(BIOS_INFO, "MAINBOARD: Found supported memory: 8GB\n");
break;
default: default:
printk(BIOS_INFO, "MAINBOARD: No supported memory found!\n"); printk(BIOS_INFO, "MAINBOARD: No supported memory found!\n");
break; break;