coreboot-mirror
/
coreboot
mirror of https://review.coreboot.org/coreboot.git
1
0
Fork 0
Code Issues Releases Wiki Activity

timestamp,amd/common/apob_cache: Add timestamps for APOB 

Updating the APOB takes a considerable amount of time. I decided to be
granular and split out the operations so we know when we read vs read +
erase + write.

BUG=b:179092979
TEST=Boot guybrush and dump timestamps
   3:after RAM initialization                          3,025,425 (44)
 920:starting APOB read                                3,025,430 (5)
 921:starting APOB erase                               3,025,478 (48)
 922:starting APOB write                               3,027,727 (2,249)
 923:finished APOB                                     3,210,965 (183,238)
   4:end of romstage                                   3,210,971 (6)

Signed-off-by: Raul E Rangel <rrangel@chromium.org>
Change-Id: I08e371873112e38f623f452af0eb946f5471c399
Reviewed-on: https://review.coreboot.org/c/coreboot/+/55401
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
This commit is contained in:
Raul E Rangel 2021-06-10 14:39:01 -06:00 committed by Raul Rangel
parent c545baaf47
commit d742b5e40c
2 changed files with 22 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
src/commonlib/include/commonlib/timestamp_serialized.h
View File

@ -78,7 +78,7 @@ enum timestamp_id {
TS_END_COPYVPD_RO = 551,
TS_END_COPYVPD_RW = 552,
/* 900-920 reserved for vendorcode extensions (900-940: AMD AGESA) */
/* 900-940 reserved for vendorcode extensions (900-940: AMD) */
TS_AGESA_INIT_RESET_START = 900,
TS_AGESA_INIT_RESET_DONE = 901,
TS_AGESA_INIT_EARLY_START = 902,
@ -99,6 +99,10 @@ enum timestamp_id {
TS_AGESA_S3_LATE_DONE = 917,
TS_AGESA_S3_FINAL_START = 918,
TS_AGESA_S3_FINAL_DONE = 919,
TS_AMD_APOB_READ_START = 920,
TS_AMD_APOB_ERASE_START = 921,
TS_AMD_APOB_WRITE_START = 922,
TS_AMD_APOB_DONE = 923,
/* 940-950 reserved for vendorcode extensions (940-950: Intel ME) */
TS_ME_INFORM_DRAM_WAIT = 940,
@ -222,7 +226,7 @@ static const struct timestamp_id_to_name {
{ TS_KERNEL_DECOMPRESSION, "starting kernel decompression/relocation" },
{ TS_START_KERNEL, "jumping to kernel" },
/* AMD AGESA related timestamps */
/* AMD related timestamps */
{ TS_AGESA_INIT_RESET_START, "calling AmdInitReset" },
{ TS_AGESA_INIT_RESET_DONE, "back from AmdInitReset" },
{ TS_AGESA_INIT_EARLY_START, "calling AmdInitEarly" },
@ -243,6 +247,10 @@ static const struct timestamp_id_to_name {
{ TS_AGESA_S3_LATE_DONE, "back from AmdS3LateRestore" },
{ TS_AGESA_S3_FINAL_START, "calling AmdS3FinalRestore" },
{ TS_AGESA_S3_FINAL_DONE, "back from AmdS3FinalRestore" },
{ TS_AMD_APOB_READ_START, "starting APOB read" },
{ TS_AMD_APOB_ERASE_START, "starting APOB erase" },
{ TS_AMD_APOB_WRITE_START, "starting APOB write" },
{ TS_AMD_APOB_DONE, "finished APOB" },
/* Intel ME related timestamps */
{ TS_ME_INFORM_DRAM_WAIT, "waiting for ME acknowledgement of raminit"},

13
src/soc/amd/common/block/apob/apob_cache.c
View File

@ -10,6 +10,7 @@
#include <spi_flash.h>
#include <stdint.h>
#include <string.h>
#include <timestamp.h>
#define DEFAULT_MRC_CACHE "RW_MRC_CACHE"
/* PSP requires this value to be 64KiB */
@ -114,6 +115,8 @@ void soc_update_apob_cache(void)
if (get_nv_region(&region) != 0)
return;
timestamp_add_now(TS_AMD_APOB_READ_START);
apob_rom = get_apob_from_nv_region(&region);
if (apob_rom == NULL) {
update_needed = true;
@ -123,8 +126,10 @@ void soc_update_apob_cache(void)
} else
printk(BIOS_DEBUG, "APOB valid copy is already in flash\n");
if (!update_needed)
if (!update_needed) {
timestamp_add_now(TS_AMD_APOB_DONE);
return;
}
printk(BIOS_SPEW, "Copy APOB from RAM 0x%p/0x%x to flash 0x%zx/0x%zx\n",
apob_src_ram, apob_src_ram->size,
@ -135,17 +140,23 @@ void soc_update_apob_cache(void)
return;
}
timestamp_add_now(TS_AMD_APOB_ERASE_START);
/* write data to flash region */
if (rdev_eraseat(&write_rdev, 0, DEFAULT_MRC_CACHE_SIZE) < 0) {
printk(BIOS_ERR, "Error: APOB flash region erase failed\n");
return;
}
timestamp_add_now(TS_AMD_APOB_WRITE_START);
if (rdev_writeat(&write_rdev, apob_src_ram, 0, apob_src_ram->size) < 0) {
printk(BIOS_ERR, "Error: APOB flash region update failed\n");
return;
}
timestamp_add_now(TS_AMD_APOB_DONE);
printk(BIOS_INFO, "Updated APOB in flash\n");
}