diff options
| author | Zheng Bao <fishbaozi@gmail.com> | 2022-08-25 17:09:34 +0800 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2022-08-30 00:36:26 +0000 |
| commit | b72c1103aa72c6e0bbe76e67e64e2d8ed591906d (patch) | |
| tree | 1d5a302c37b08653b750a8887f293b0cc55e3dae /src/soc/amd | |
| parent | 360d31fc9a0b0e0cffb1737dc0e965df16333fbd (diff) | |
amd/soc/common: Update CPPC value
The CPPC table value for UEFI BIOS has been changed. The code has been
merged to AGESA. We can get the value by dumping ACPI table. Then we
align the coreboot code with the new value.
BUG=b:190420984
Change-Id: I091ab3bbc5f94961f8b366a3fa00f50f5c9fa182
Signed-off-by: Zheng Bao <fishbaozi@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/63632
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Diffstat (limited to 'src/soc/amd')
| -rw-r--r-- | src/soc/amd/common/block/acpi/cppc.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/soc/amd/common/block/acpi/cppc.c b/src/soc/amd/common/block/acpi/cppc.c index f1167e8d27..ce40057c5d 100644 --- a/src/soc/amd/common/block/acpi/cppc.c +++ b/src/soc/amd/common/block/acpi/cppc.c @@ -32,13 +32,13 @@ static void cpu_init_cppc_config(struct cppc_config *config, u32 version) config->entries[CPPC_COUNTER_WRAP] = CPPC_UNSUPPORTED; config->entries[CPPC_REF_PERF_COUNTER] = CPPC_REG_MSR(MSR_MAX_PERFORMANCE_FREQUENCY_CLOCK_COUNT, 0, 64); config->entries[CPPC_DELIVERED_PERF_COUNTER] = CPPC_REG_MSR(MSR_ACTUAL_PERFORMANCE_FREQUENCY_CLOCK_COUNT, 0, 64); - config->entries[CPPC_PERF_LIMITED] = CPPC_REG_MSR(MSR_CPPC_STATUS, 1, 1); + config->entries[CPPC_PERF_LIMITED] = CPPC_REG_MSR(MSR_CPPC_STATUS, 0, 2); config->entries[CPPC_ENABLE] = CPPC_REG_MSR(MSR_CPPC_ENABLE, 0, 1); if (version < 2) return; - config->entries[CPPC_AUTO_SELECT] = CPPC_UNSUPPORTED; + config->entries[CPPC_AUTO_SELECT] = CPPC_DWORD(1); config->entries[CPPC_AUTO_ACTIVITY_WINDOW] = CPPC_UNSUPPORTED; config->entries[CPPC_PERF_PREF] = CPPC_REG_MSR(MSR_CPPC_REQUEST, SHIFT_CPPC_REQUEST_ENERGY_PERF_PREF, 8); config->entries[CPPC_REF_PERF] = CPPC_UNSUPPORTED; |