diff options
| author | Peng Fan <[email protected]> | 2025-10-17 17:32:34 +0800 |
|---|---|---|
| committer | Tom Rini <[email protected]> | 2025-10-24 13:47:50 -0600 |
| commit | ac9b02dd1028d14b6326970c93dfc3c50daa16f1 (patch) | |
| tree | 1bffd9388bcc9856cb9451c2034ef18158f356b3 /include/scmi_nxp_protocols.h | |
| parent | 3f20ea3675c466ab16761c9b280e6c382bae02c3 (diff) | |
firmware: scmi: Add i.MX95 SCMI CPU Protocol
This protocol allows an agent to start, stop a CPU or set reset vector.
It is used to manage auxiliary CPUs in an LM (e.g. additional cores in an
AP cluster).
Signed-off-by: Peng Fan <[email protected]>
Reviewed-by: Alice Guo <[email protected]>
Diffstat (limited to 'include/scmi_nxp_protocols.h')
| -rw-r--r-- | include/scmi_nxp_protocols.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/include/scmi_nxp_protocols.h b/include/scmi_nxp_protocols.h index 1c79bc2282b..c17f3663eba 100644 --- a/include/scmi_nxp_protocols.h +++ b/include/scmi_nxp_protocols.h @@ -10,6 +10,7 @@ #include <linux/bitops.h> #define SCMI_PROTOCOL_ID_IMX_LMM 0x80 +#define SCMI_PROTOCOL_ID_IMX_CPU 0x82 #define SCMI_PROTOCOL_ID_IMX_MISC 0x84 #define SCMI_PAYLOAD_LEN 100 @@ -95,4 +96,27 @@ static inline int scmi_imx_lmm_shutdown(struct udevice *dev, u32 lmid, bool flag return -EOPNOTSUPP; } #endif + +#if IS_ENABLED(CONFIG_IMX_SM_CPU) +int scmi_imx_cpu_started(struct udevice *dev, u32 cpuid, bool *started); +int scmi_imx_cpu_reset_vector_set(struct udevice *dev, u32 cpuid, u32 flags, u64 vector, + bool start, bool boot, bool resume); +int scmi_imx_cpu_start(struct udevice *dev, u32 cpuid, bool start); +#else +static inline int scmi_imx_cpu_started(struct udevice *dev, u32 cpuid, bool *started) +{ + return -EOPNOTSUPP; +} + +static inline int scmi_imx_cpu_reset_vector_set(struct udevice *dev, u32 cpuid, u32 flags, + u64 vector, bool start, bool boot, bool resume) +{ + return -EOPNOTSUPP; +} + +static inline int scmi_imx_cpu_start(struct udevice *dev, u32 cpuid, bool start) +{ + return -EOPNOTSUPP; +} +#endif #endif |