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mb/google/volteer: implement mainboard_get_dram_part_num() 

Implements mainboard_get_dram_part_num() to override dram part number
with a part number read from CBI.

BUG=b:146464098
TEST="emerge-volteer coreboot chromeos-bootimage", flash volteer, boot
and log into kernel, execute "mosys memory spd print id" and verify that
the memory part number from the cbi gets displayed properly.

Change-Id: I3a20691f601cb513ee0936c8d141233c3d06db3d
Signed-off-by: Nick Vaccaro <nvaccaro@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/40472
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
This commit is contained in:
Nick Vaccaro 2020-04-16 22:38:07 -07:00
parent 029b5432a1
commit 1463c56139
1 changed files with 17 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
src/mainboard/google/volteer/romstage.c
View File

@ -6,13 +6,15 @@
*/
#include <baseboard/variants.h>
#include <ec/google/chromeec/ec.h>
#include <fsp/soc_binding.h>
#include <gpio.h>
#include <memory_info.h>
#include <soc/gpio.h>
#include <soc/meminit.h>
#include <soc/romstage.h>
#include <variant/gpio.h>
#include <fsp/soc_binding.h>
void mainboard_memory_init_params(FSPM_UPD *mupd)
{
@ -27,3 +29,17 @@ void mainboard_memory_init_params(FSPM_UPD *mupd)
meminit_lpddr4x(mem_cfg, board_cfg, &spd_info, half_populated);
}
bool mainboard_get_dram_part_num(const char **part_num, size_t *len)
{
static char part_num_store[DIMM_INFO_PART_NUMBER_SIZE];
if (google_chromeec_cbi_get_dram_part_num(part_num_store,
sizeof(part_num_store)) < 0) {
printk(BIOS_ERR, "ERROR: Couldn't obtain DRAM part number from CBI\n");
return false;
}
*part_num = part_num_store;
*len = strlen(part_num_store);
return true;
}