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imx: scu_api: add implementation of sc_pm_reset_reason

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Add implementation of sc_pm_reset_reason() call for obtaining
reset reason.

Signed-off-by: Igor Opaniuk <igor.opaniuk@foundries.io>
This commit is contained in:
Igor Opaniuk 2024-01-31 13:49:25 +01:00 • committed by Fabio Estevam
parent 7c1f8ce395
commit 0bc69a1d38
2 changed files with 28 additions and 0 deletions
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22
drivers/misc/imx8/scu_api.c
View file

@ -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)
{

6
include/firmware/imx/sci/sci.h
View file

@ -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;