[PATCH v3 04/12] imx9: scmi: Add i.MX94 support to get_reset_reason()

[Alice Guo (OSS)]

From: Ye Li <ye.li at nxp.com>

Update get_reset_reason() to support i.MX94 to send message to the
System Manager to retrieve the LM/system last booted/shutdown reasons.

Signed-off-by: Ye Li <ye.li at nxp.com>
Signed-off-by: Alice Guo <alice.guo at nxp.com>
Reviewed-by: Peng Fan <peng.fan at nxp.com>
---
 arch/arm/mach-imx/imx9/scmi/soc.c | 39 +++++++++++++++++++++++++++++++++++----
 1 file changed, 35 insertions(+), 4 deletions(-)

diff --git a/arch/arm/mach-imx/imx9/scmi/soc.c b/arch/arm/mach-imx/imx9/scmi/soc.c
index f04b9255cdb..07022c65b88 100644
--- a/arch/arm/mach-imx/imx9/scmi/soc.c
+++ b/arch/arm/mach-imx/imx9/scmi/soc.c
@@ -494,6 +494,31 @@ static char *rst_string[32] = {
 	"por"
 };
 
+static char *rst_string_imx94[32] = {
+	"cm33_lockup",
+	"cm33_swreq",
+	"cm70_lockup",
+	"cm70_swreq",
+	"fccu",
+	"jtag_sw",
+	"ele",
+	"tempsense",
+	"wdog1",
+	"wdog2",
+	"wdog3",
+	"wdog4",
+	"wdog5",
+	"jtag",
+	"wdog6",
+	"wdog7",
+	"wdog8",
+	"wo_netc", "cm33s_lockup", "cm33s_swreq", "cm71_lockup", "cm71_swreq", "cm33_exc",
+	"bbm", "sw", "sm_err", "fusa_sreco", "pmic", "unused",
+	"unused", "unused",
+	"por"
+};
+
+
 int get_reset_reason(bool sys, bool lm)
 {
 	struct scmi_imx_misc_reset_reason_in in = {
@@ -512,6 +537,12 @@ int get_reset_reason(bool sys, bool lm)
 	int ret;
 
 	struct udevice *dev;
+	char **rst;
+
+	if (is_imx94())
+		rst = rst_string_imx94;
+	else
+		rst = rst_string;
 
 	ret = uclass_get_device_by_name(UCLASS_CLK, "protocol at 14", &dev);
 	if (ret)
@@ -526,7 +557,7 @@ int get_reset_reason(bool sys, bool lm)
 
 		if (out.bootflags & MISC_BOOT_FLAG_VLD) {
 			printf("SYS Boot reason: %s, origin: %ld, errid: %ld\n",
-			       rst_string[out.bootflags & MISC_BOOT_FLAG_REASON],
+			       rst[out.bootflags & MISC_BOOT_FLAG_REASON],
 			       out.bootflags & MISC_BOOT_FLAG_ORG_VLD ?
 			       FIELD_GET(MISC_BOOT_FLAG_ORIGIN, out.bootflags) : -1,
 			       out.bootflags & MISC_BOOT_FLAG_ERR_VLD ?
@@ -535,7 +566,7 @@ int get_reset_reason(bool sys, bool lm)
 		}
 		if (out.shutdownflags & MISC_SHUTDOWN_FLAG_VLD) {
 			printf("SYS shutdown reason: %s, origin: %ld, errid: %ld\n",
-			       rst_string[out.bootflags & MISC_SHUTDOWN_FLAG_REASON],
+			       rst[out.bootflags & MISC_SHUTDOWN_FLAG_REASON],
 			       out.bootflags & MISC_SHUTDOWN_FLAG_ORG_VLD ?
 			       FIELD_GET(MISC_SHUTDOWN_FLAG_ORIGIN, out.bootflags) : -1,
 			       out.bootflags & MISC_SHUTDOWN_FLAG_ERR_VLD ?
@@ -556,7 +587,7 @@ int get_reset_reason(bool sys, bool lm)
 
 		if (out.bootflags & MISC_BOOT_FLAG_VLD) {
 			printf("LM Boot reason: %s, origin: %ld, errid: %ld\n",
-			       rst_string[out.bootflags & MISC_BOOT_FLAG_REASON],
+			       rst[out.bootflags & MISC_BOOT_FLAG_REASON],
 			       out.bootflags & MISC_BOOT_FLAG_ORG_VLD ?
 			       FIELD_GET(MISC_BOOT_FLAG_ORIGIN, out.bootflags) : -1,
 			       out.bootflags & MISC_BOOT_FLAG_ERR_VLD ?
@@ -566,7 +597,7 @@ int get_reset_reason(bool sys, bool lm)
 
 		if (out.shutdownflags & MISC_SHUTDOWN_FLAG_VLD) {
 			printf("LM shutdown reason: %s, origin: %ld, errid: %ld\n",
-			       rst_string[out.bootflags & MISC_SHUTDOWN_FLAG_REASON],
+			       rst[out.bootflags & MISC_SHUTDOWN_FLAG_REASON],
 			       out.bootflags & MISC_SHUTDOWN_FLAG_ORG_VLD ?
 			       FIELD_GET(MISC_SHUTDOWN_FLAG_ORIGIN, out.bootflags) : -1,
 			       out.bootflags & MISC_SHUTDOWN_FLAG_ERR_VLD ?

-- 
2.43.0