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include: Add defines for SBI CPPC extension

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Add SBI CPPC extension related defines to the
SBI ecall interface header.

Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
This commit is contained in:
Sunil V L
2023-03-29 14:27:25 +05:30
committed by Anup Patel
parent 8e90259da8
commit 45ba2b203c
1 changed files with 34 additions and 0 deletions
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34
include/sbi/sbi_ecall_interface.h
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@@ -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