From 4b5a490b6f3faffe1880c731b50d1a4adabfb622 Mon Sep 17 00:00:00 2001 From: Raul E Rangel Date: Fri, 19 Nov 2021 11:38:35 -0700 Subject: src/cpu,soc/amd/common/block/cpu: Add preload_microcode MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 Change-Id: If0c634c692c97769e71acd1175fc464dc592c356 Reviewed-on: https://review.coreboot.org/c/coreboot/+/58963 Tested-by: build bot (Jenkins) Reviewed-by: Karthik Ramasubramanian --- src/include/cpu/amd/microcode.h | 1 + 1 file changed, 1 insertion(+) (limited to 'src/include/cpu') 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 */ -- cgit v1.2.3