diff options
| author | Sunil V L <[email protected]> | 2023-03-29 14:27:25 +0530 |
|---|---|---|
| committer | Anup Patel <[email protected]> | 2023-04-07 09:35:06 +0530 |
| commit | 45ba2b203cc38ebfd634dc42c1dd3a2d380a8899 (patch) | |
| tree | 6237fd54d8d3e6e41a538b6eb1be12dc6ddaf4b7 | |
| parent | 8e90259da8b4b5bc6c934506cc4302578d44dbc2 (diff) | |
include: Add defines for SBI CPPC extension
Add SBI CPPC extension related defines to the
SBI ecall interface header.
Signed-off-by: Sunil V L <[email protected]>
Reviewed-by: Andrew Jones <[email protected]>
Reviewed-by: Anup Patel <[email protected]>
| -rw-r--r-- | include/sbi/sbi_ecall_interface.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/include/sbi/sbi_ecall_interface.h b/include/sbi/sbi_ecall_interface.h index 45973580..dee2dd96 100644 --- a/include/sbi/sbi_ecall_interface.h +++ b/include/sbi/sbi_ecall_interface.h @@ -31,6 +31,7 @@ #define SBI_EXT_PMU 0x504D55 #define SBI_EXT_DBCN 0x4442434E #define SBI_EXT_SUSP 0x53555350 +#define SBI_EXT_CPPC 0x43505043 /* SBI function IDs for BASE extension*/ #define SBI_EXT_BASE_GET_SPEC_VERSION 0x0 @@ -256,6 +257,39 @@ enum sbi_pmu_ctr_type { #define SBI_SUSP_SLEEP_TYPE_LAST SBI_SUSP_SLEEP_TYPE_SUSPEND #define SBI_SUSP_PLATFORM_SLEEP_START 0x80000000 +/* SBI function IDs for CPPC extension */ +#define SBI_EXT_CPPC_PROBE 0x0 +#define SBI_EXT_CPPC_READ 0x1 +#define SBI_EXT_CPPC_READ_HI 0x2 +#define SBI_EXT_CPPC_WRITE 0x3 + +enum sbi_cppc_reg_id { + SBI_CPPC_HIGHEST_PERF = 0x00000000, + SBI_CPPC_NOMINAL_PERF = 0x00000001, + SBI_CPPC_LOW_NON_LINEAR_PERF = 0x00000002, + SBI_CPPC_LOWEST_PERF = 0x00000003, + SBI_CPPC_GUARANTEED_PERF = 0x00000004, + SBI_CPPC_DESIRED_PERF = 0x00000005, + SBI_CPPC_MIN_PERF = 0x00000006, + SBI_CPPC_MAX_PERF = 0x00000007, + SBI_CPPC_PERF_REDUC_TOLERANCE = 0x00000008, + SBI_CPPC_TIME_WINDOW = 0x00000009, + SBI_CPPC_CTR_WRAP_TIME = 0x0000000A, + SBI_CPPC_REFERENCE_CTR = 0x0000000B, + SBI_CPPC_DELIVERED_CTR = 0x0000000C, + SBI_CPPC_PERF_LIMITED = 0x0000000D, + SBI_CPPC_ENABLE = 0x0000000E, + SBI_CPPC_AUTO_SEL_ENABLE = 0x0000000F, + SBI_CPPC_AUTO_ACT_WINDOW = 0x00000010, + SBI_CPPC_ENERGY_PERF_PREFERENCE = 0x00000011, + SBI_CPPC_REFERENCE_PERF = 0x00000012, + SBI_CPPC_LOWEST_FREQ = 0x00000013, + SBI_CPPC_NOMINAL_FREQ = 0x00000014, + SBI_CPPC_ACPI_LAST = SBI_CPPC_NOMINAL_FREQ, + SBI_CPPC_TRANSITION_LATENCY = 0x80000000, + SBI_CPPC_NON_ACPI_LAST = SBI_CPPC_TRANSITION_LATENCY, +}; + /* SBI base specification related macros */ #define SBI_SPEC_VERSION_MAJOR_OFFSET 24 #define SBI_SPEC_VERSION_MAJOR_MASK 0x7f |