From f74b6e351c921f2505691f5ece834b280e500395 Mon Sep 17 00:00:00 2001 From: Eric Lai Date: Thu, 23 Jan 2020 14:43:08 +0800 Subject: ec/google/wilco: add ec command set cpu id Add new mailbox command support. Set CPU ID and cores to EC. EC will according to different CPU to set different power table. BUG=b:148126144 Signed-off-by: Eric Lai Change-Id: I135d2421d2106934be996a1780786f6bb0bf6b34 Reviewed-on: https://review.coreboot.org/c/coreboot/+/38526 Tested-by: build bot (Jenkins) Reviewed-by: Duncan Laurie Reviewed-by: Mathew King --- src/ec/google/wilco/commands.h | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) (limited to 'src/ec/google/wilco/commands.h') diff --git a/src/ec/google/wilco/commands.h b/src/ec/google/wilco/commands.h index 9a185805af..3d2ae46fae 100644 --- a/src/ec/google/wilco/commands.h +++ b/src/ec/google/wilco/commands.h @@ -52,6 +52,8 @@ enum { KB_BIOS_PROGRESS = 0xc2, /* Inform the EC that a fatal error occurred */ KB_ERR_CODE = 0x7b, + /* Set CPU ID */ + KB_CPU_ID = 0xbf, }; enum ec_ram_addr { @@ -337,4 +339,18 @@ int wilco_ec_signed_fw(void); */ void wilco_ec_save_post_code(uint8_t post_code); +/** + * wilco_ec_set_cpuid + * + * Set CPU ID to EC. + * + * @cpuid: read CPU ID from cpu_eax(1) + * @cpu_cores: cores of CPU + * @gpu_cores: cores of GPU + * + * Returns 0 if EC command was successful + * Returns -1 if EC command failed + */ +int wilco_ec_set_cpuid(uint32_t cpuid, uint8_t cpu_cores, uint8_t gpu_cores); + #endif /* EC_GOOGLE_WILCO_COMMANDS_H */ -- cgit v1.2.3