diff options
Diffstat (limited to 'src/soc/amd/common/block/acpi/cppc.c')
| -rw-r--r-- | src/soc/amd/common/block/acpi/cppc.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/src/soc/amd/common/block/acpi/cppc.c b/src/soc/amd/common/block/acpi/cppc.c index 224034d159..f1167e8d27 100644 --- a/src/soc/amd/common/block/acpi/cppc.c +++ b/src/soc/amd/common/block/acpi/cppc.c @@ -5,6 +5,7 @@ #include <amdblocks/cppc.h> #include <arch/cpu.h> #include <soc/msr.h> +#include <types.h> /* * version 2 is expected to be the typical use case. @@ -13,6 +14,9 @@ */ static void cpu_init_cppc_config(struct cppc_config *config, u32 version) { + uint32_t lowest_freq_mhz; + uint32_t nominal_freq_mhz; + config->version = version; config->entries[CPPC_HIGHEST_PERF] = CPPC_REG_MSR(MSR_CPPC_CAPABILITY_1, SHIFT_CPPC_CAPABILITY_1_HIGHEST_PERF, 8); @@ -42,8 +46,12 @@ static void cpu_init_cppc_config(struct cppc_config *config, u32 version) if (version < 3) return; - config->entries[CPPC_LOWEST_FREQ] = CPPC_UNSUPPORTED; - config->entries[CPPC_NOMINAL_FREQ] = CPPC_UNSUPPORTED; + config->entries[CPPC_LOWEST_FREQ] = + get_ccx_cppc_min_frequency(&lowest_freq_mhz) == CB_SUCCESS ? + CPPC_DWORD(lowest_freq_mhz) : CPPC_UNSUPPORTED; + config->entries[CPPC_NOMINAL_FREQ] = + get_ccx_cppc_nom_frequency(&nominal_freq_mhz) == CB_SUCCESS ? + CPPC_DWORD(nominal_freq_mhz) : CPPC_UNSUPPORTED; } void generate_cppc_entries(unsigned int core_id) |