1 files changed, 83 insertions, 0 deletions
diff --git a/plat/socionext/synquacer/drivers/scpi/sq_scpi.h b/plat/socionext/synquacer/drivers/scpi/sq_scpi.h
new file mode 100644
index 0000000..eb6ce5c
--- /dev/null
+++ b/plat/socionext/synquacer/drivers/scpi/sq_scpi.h
@@ -0,0 +1,83 @@
+/*
+ * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef SQ_SCPI_H
+#define SQ_SCPI_H
+
+#include <stddef.h>
+#include <stdint.h>
+
+/*
+ * An SCPI command consists of a header and a payload.
+ * The following structure describes the header. It is 64-bit long.
+ */
+typedef struct {
+	/* Command ID */
+	uint32_t id		: 7;
+	/* Set ID. Identifies whether this is a standard or extended command. */
+	uint32_t set		: 1;
+	/* Sender ID to match a reply. The value is sender specific. */
+	uint32_t sender		: 8;
+	/* Size of the payload in bytes (0 - 511) */
+	uint32_t size		: 9;
+	uint32_t reserved	: 7;
+	/*
+	 * Status indicating the success of a command.
+	 * See the enum below.
+	 */
+	uint32_t status;
+} scpi_cmd_t;
+
+typedef enum {
+	SCPI_SET_NORMAL = 0,	/* Normal SCPI commands */
+	SCPI_SET_EXTENDED	/* Extended SCPI commands */
+} scpi_set_t;
+
+enum {
+	SCP_OK = 0,	/* Success */
+	SCP_E_PARAM,	/* Invalid parameter(s) */
+	SCP_E_ALIGN,	/* Invalid alignment */
+	SCP_E_SIZE,	/* Invalid size */
+	SCP_E_HANDLER,	/* Invalid handler or callback */
+	SCP_E_ACCESS,	/* Invalid access or permission denied */
+	SCP_E_RANGE,	/* Value out of range */
+	SCP_E_TIMEOUT,	/* Time out has ocurred */
+	SCP_E_NOMEM,	/* Invalid memory area or pointer */
+	SCP_E_PWRSTATE,	/* Invalid power state */
+	SCP_E_SUPPORT,	/* Feature not supported or disabled */
+	SCPI_E_DEVICE,	/* Device error */
+	SCPI_E_BUSY,	/* Device is busy */
+};
+
+typedef uint32_t scpi_status_t;
+
+typedef enum {
+	SCPI_CMD_SCP_READY = 0x01,
+	SCPI_CMD_SET_POWER_STATE = 0x03,
+	SCPI_CMD_SYS_POWER_STATE = 0x05
+} scpi_command_t;
+
+typedef enum {
+	scpi_power_on = 0,
+	scpi_power_retention = 1,
+	scpi_power_off = 3,
+} scpi_power_state_t;
+
+typedef enum {
+	scpi_system_shutdown = 0,
+	scpi_system_reboot = 1,
+	scpi_system_reset = 2
+} scpi_system_state_t;
+
+extern int scpi_wait_ready(void);
+extern void scpi_set_sq_power_state(unsigned int mpidr,
+					scpi_power_state_t cpu_state,
+					scpi_power_state_t cluster_state,
+					scpi_power_state_t css_state);
+uint32_t scpi_sys_power_state(scpi_system_state_t system_state);
+uint32_t scpi_get_draminfo(struct draminfo *info);
+
+#endif /* SQ_SCPI_H */