summaryrefslogtreecommitdiffstats
path: root/plat/socionext/synquacer/drivers/scpi/sq_scpi.h
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-21 17:43:51 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-21 17:43:51 +0000
commitbe58c81aff4cd4c0ccf43dbd7998da4a6a08c03b (patch)
tree779c248fb61c83f65d1f0dc867f2053d76b4e03a /plat/socionext/synquacer/drivers/scpi/sq_scpi.h
parentInitial commit. (diff)
downloadarm-trusted-firmware-be58c81aff4cd4c0ccf43dbd7998da4a6a08c03b.tar.xz
arm-trusted-firmware-be58c81aff4cd4c0ccf43dbd7998da4a6a08c03b.zip
Adding upstream version 2.10.0+dfsg.upstream/2.10.0+dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'plat/socionext/synquacer/drivers/scpi/sq_scpi.h')
-rw-r--r--plat/socionext/synquacer/drivers/scpi/sq_scpi.h83
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 */