diff options
| author | Raul E Rangel <rrangel@chromium.org> | 2021-11-19 11:38:35 -0700 |
|---|---|---|
| committer | Raul Rangel <rrangel@chromium.org> | 2021-11-29 20:39:32 +0000 |
| commit | 4b5a490b6f3faffe1880c731b50d1a4adabfb622 (patch) | |
| tree | 09be3f175073c57db3fb02d174e6d20950979e21 /src/include/cpu | |
| parent | 6b446b991b00c44902b70d86c75b23a8f93d510b (diff) | |
src/cpu,soc/amd/common/block/cpu: Add preload_microcode
This will enable preloading the microcode. By preloading the
file, into cbfs_cache we reduce boot time.
BUG=b:179699789
TEST=Boot guybrush with CL chain and see microcode preloading and a
reduction of 1 ms.
| 112 - started reading uCode | 1.041 | 1.204 Δ( 0.16, 0.01%) |
| 113 - finished reading uCode | 1.365 | 0.011 Δ( -1.35, -0.10%) |
Signed-off-by: Raul E Rangel <rrangel@chromium.org>
Change-Id: If0c634c692c97769e71acd1175fc464dc592c356
Reviewed-on: https://review.coreboot.org/c/coreboot/+/58963
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
Diffstat (limited to 'src/include/cpu')
| -rw-r--r-- | src/include/cpu/amd/microcode.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/include/cpu/amd/microcode.h b/src/include/cpu/amd/microcode.h index 800661b797..74075944bb 100644 --- a/src/include/cpu/amd/microcode.h +++ b/src/include/cpu/amd/microcode.h @@ -2,5 +2,6 @@ #define CPU_AMD_MICROCODE_H void amd_update_microcode_from_cbfs(void); +void preload_microcode(void); #endif /* CPU_AMD_MICROCODE_H */ |