diff options
Diffstat (limited to 'src/soc/amd/picasso/include')
| -rw-r--r-- | src/soc/amd/picasso/include/soc/msr.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/src/soc/amd/picasso/include/soc/msr.h b/src/soc/amd/picasso/include/soc/msr.h new file mode 100644 index 0000000000..0743ba0c9e --- /dev/null +++ b/src/soc/amd/picasso/include/soc/msr.h @@ -0,0 +1,28 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +/* This file applies to AMD64 products. + * The definitions come from the device's PPR. + */ + +#ifndef SOC_AMD_PICASSO_MSR_H +#define SOC_AMD_PICASSO_MSR_H + +/* MSRC001_00[6B:64] P-state [7:0] bit definitions */ +#define PSTATE_DEF_HI_ENABLE_SHIFT 31 +#define PSTATE_DEF_HI_ENABLE_MASK (0x1 << PSTATE_DEF_HI_ENABLE_SHIFT) +#define PSTATE_DEF_LO_CUR_DIV_SHIFT 30 +#define PSTATE_DEF_LO_CUR_DIV_MASK (0x3 << PSTATE_DEF_LO_CUR_DIV_SHIFT) +#define PSTATE_DEF_LO_CUR_VAL_SHIFT 22 +#define PSTATE_DEF_LO_CUR_VAL_MASK (0xFF << PSTATE_DEF_LO_CUR_VAL_SHIFT) +#define PSTATE_DEF_LO_CORE_VID_SHIFT 14 +#define PSTATE_DEF_LO_CORE_VID_MASK (0xFF << PSTATE_DEF_LO_CORE_VID_SHIFT) +#define PSTATE_DEF_LO_FREQ_DIV_SHIFT 8 +#define PSTATE_DEF_LO_FREQ_DIV_MASK (0x3F << PSTATE_DEF_LO_FREQ_DIV_SHIFT) +#define PSTATE_DEF_LO_FREQ_DIV_MIN 0x8 +#define PSTATE_DEF_LO_EIGHTH_STEP_MAX 0x1A +#define PSTATE_DEF_LO_FREQ_DIV_MAX 0x3E +#define PSTATE_DEF_LO_FREQ_MUL_SHIFT 0 +#define PSTATE_DEF_LO_FREQ_MUL_MASK (0xFF << PSTATE_DEF_LO_FREQ_MUL_SHIFT) +#define PSTATE_DEF_LO_CORE_FREQ_BASE 25 + +#endif /* SOC_AMD_PICASSO_MSR_H */ |