Add support for SCMI AP core configuration protocol v1.0
Change-Id: If07000b6b19011e960336a305a784dd643301b97
Signed-off-by: Dimitris Papastamos <dimitris.papastamos@arm.com>
diff --git a/plat/arm/css/drivers/scmi/scmi.h b/plat/arm/css/drivers/scmi/scmi.h
index cf9ef5e..723fd06 100644
--- a/plat/arm/css/drivers/scmi/scmi.h
+++ b/plat/arm/css/drivers/scmi/scmi.h
@@ -12,6 +12,7 @@
#include <stdint.h>
/* Supported SCMI Protocol Versions */
+#define SCMI_AP_CORE_PROTO_VER MAKE_SCMI_VERSION(1, 0)
#define SCMI_PWR_DMN_PROTO_VER MAKE_SCMI_VERSION(1, 0)
#define SCMI_SYS_PWR_PROTO_VER MAKE_SCMI_VERSION(1, 0)
@@ -29,6 +30,8 @@
/* SCMI Protocol identifiers */
#define SCMI_PWR_DMN_PROTO_ID 0x11
#define SCMI_SYS_PWR_PROTO_ID 0x12
+/* The AP core protocol is a CSS platform-specific extension */
+#define SCMI_AP_CORE_PROTO_ID 0x90
/* Mandatory messages IDs for all SCMI protocols */
#define SCMI_PROTO_VERSION_MSG 0x0
@@ -43,6 +46,10 @@
#define SCMI_SYS_PWR_STATE_SET_MSG 0x3
#define SCMI_SYS_PWR_STATE_GET_MSG 0x4
+/* SCMI AP core protocol message IDs */
+#define SCMI_AP_CORE_RESET_ADDR_SET_MSG 0x3
+#define SCMI_AP_CORE_RESET_ADDR_GET_MSG 0x4
+
/* Helper macros for system power management protocol commands */
/*
@@ -73,6 +80,13 @@
#define SCMI_SYS_PWR_POWER_UP 0x3
#define SCMI_SYS_PWR_SUSPEND 0x4
+/*
+ * Macros to describe the bit-fields of the `attribute` of AP core protocol
+ * AP_CORE_RESET_ADDR set/get messages.
+ */
+#define SCMI_AP_CORE_LOCK_ATTR_SHIFT 0x0
+#define SCMI_AP_CORE_LOCK_ATTR (1U << SCMI_AP_CORE_LOCK_ATTR_SHIFT)
+
/* SCMI Error code definitions */
#define SCMI_E_QUEUED 1
#define SCMI_E_SUCCESS 0
@@ -133,4 +147,8 @@
int scmi_sys_pwr_state_set(void *p, uint32_t flags, uint32_t system_state);
int scmi_sys_pwr_state_get(void *p, uint32_t *system_state);
+/* SCMI AP core configuration protocol commands. */
+int scmi_ap_core_set_reset_addr(void *p, uint64_t reset_addr, uint32_t attr);
+int scmi_ap_core_get_reset_addr(void *p, uint64_t *reset_addr, uint32_t *attr);
+
#endif /* __CSS_SCMI_H__ */