Add implementation of sc_pm_reset_reason() call for obtaining reset reason.
Signed-off-by: Igor Opaniuk igor.opaniuk@foundries.io ---
drivers/misc/imx8/scu_api.c | 22 ++++++++++++++++++++++ include/firmware/imx/sci/sci.h | 6 ++++++ 2 files changed, 28 insertions(+)
diff --git a/drivers/misc/imx8/scu_api.c b/drivers/misc/imx8/scu_api.c index 3e3002ba6df..6e2c678e614 100644 --- a/drivers/misc/imx8/scu_api.c +++ b/drivers/misc/imx8/scu_api.c @@ -882,6 +882,28 @@ void sc_pm_reboot(sc_ipc_t ipc, sc_pm_reset_type_t type) 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 f832982b3de..7d8499f070a 100644 --- a/include/firmware/imx/sci/sci.h +++ b/include/firmware/imx/sci/sci.h @@ -75,6 +75,7 @@ int sc_pm_set_clock_parent(sc_ipc_t ipc, sc_rsrc_t resource, sc_pm_clk_t clk, 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 void sc_pm_reboot(sc_ipc_t ipc, sc_pm_reset_type_t type) { }
+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;