imx: scu_api: add implementation of sc_pm_reset_reason
Add implementation of sc_pm_reset_reason() call for obtaining
reset reason.
Signed-off-by: Igor Opaniuk <igor.opaniuk@foundries.io>
diff --git a/drivers/misc/imx8/scu_api.c b/drivers/misc/imx8/scu_api.c
index 3e3002b..6e2c678 100644
--- a/drivers/misc/imx8/scu_api.c
+++ b/drivers/misc/imx8/scu_api.c
@@ -882,6 +882,28 @@
misc_call(dev, SC_TRUE, &msg, size, &msg, size);
}
+int sc_pm_reset_reason(sc_ipc_t ipc, sc_pm_reset_reason_t *reason)
+{
+ struct udevice *dev = gd->arch.scu_dev;
+ struct sc_rpc_msg_s msg;
+ int size = sizeof(struct sc_rpc_msg_s);
+ int ret;
+
+ RPC_VER(&msg) = SC_RPC_VERSION;
+ RPC_SVC(&msg) = (u8)SC_RPC_SVC_PM;
+ RPC_FUNC(&msg) = (u8)PM_FUNC_RESET_REASON;
+ RPC_SIZE(&msg) = 1U;
+
+ ret = misc_call(dev, SC_FALSE, &msg, size, &msg, size);
+ if (ret)
+ printf("%s: res:%d\n", __func__, RPC_U8(&msg, 0U));
+
+ if (reason)
+ *reason = RPC_U8(&msg, 0U);
+
+ return ret;
+}
+
int sc_pm_get_resource_power_mode(sc_ipc_t ipc, sc_rsrc_t resource,
sc_pm_power_mode_t *mode)
{
diff --git a/include/firmware/imx/sci/sci.h b/include/firmware/imx/sci/sci.h
index f832982..7d8499f 100644
--- a/include/firmware/imx/sci/sci.h
+++ b/include/firmware/imx/sci/sci.h
@@ -75,6 +75,7 @@
int sc_pm_cpu_start(sc_ipc_t ipc, sc_rsrc_t resource, sc_bool_t enable,
sc_faddr_t address);
void sc_pm_reboot(sc_ipc_t ipc, sc_pm_reset_type_t type);
+int sc_pm_reset_reason(sc_ipc_t ipc, sc_pm_reset_reason_t *reason);
sc_bool_t sc_pm_is_partition_started(sc_ipc_t ipc, sc_rm_pt_t pt);
int sc_pm_resource_reset(sc_ipc_t ipc, sc_rsrc_t resource);
@@ -385,6 +386,11 @@
{
}
+static inline int sc_pm_reset_reason(sc_ipc_t ipc, sc_pm_reset_reason_t *reason)
+{
+ return -EOPNOTSUPP;
+}
+
static inline int sc_seco_v2x_build_info(sc_ipc_t ipc, u32 *version, u32 *commit)
{
return -EOPNOTSUPP;