[RFC PATCH v2 4/4] sysreset: provide type of reset in do_reset cmd

[Igor Opaniuk]

From: Igor Opaniuk <igor.opaniuk at foundries.io>

Add additional param for reset cmd, which provides type of reset.

Signed-off-by: Igor Opaniuk <igor.opaniuk at foundries.io>

---

 cmd/boot.c                         |  6 +++++-
 drivers/sysreset/sysreset-uclass.c | 23 ++++++++++++++++++++++-
 2 files changed, 27 insertions(+), 2 deletions(-)

diff --git a/cmd/boot.c b/cmd/boot.c
index 36aba22b30..f27277dacf 100644
--- a/cmd/boot.c
+++ b/cmd/boot.c
@@ -56,8 +56,12 @@ U_BOOT_CMD(
 #endif
 
 U_BOOT_CMD(
-	reset, 1, 0,	do_reset,
+	reset, 2, 0,	do_reset,
 	"Perform RESET of the CPU",
+	"[0|1]\n"
+	"   no param  - cold reset [default]\n"
+	"   0 - cold reset\n"
+	"   1 - warm reset\n"
 	""
 );
 
diff --git a/drivers/sysreset/sysreset-uclass.c b/drivers/sysreset/sysreset-uclass.c
index 6c9dc7a384..65342d8832 100644
--- a/drivers/sysreset/sysreset-uclass.c
+++ b/drivers/sysreset/sysreset-uclass.c
@@ -122,10 +122,31 @@ void reset_cpu(ulong addr)
 #if IS_ENABLED(CONFIG_SYSRESET_CMD_RESET)
 int do_reset(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
 {
+	u32 param;
+	enum sysreset_t reset_type = SYSRESET_COLD;
+
+	if (argc > 2)
+		return CMD_RET_USAGE;
+
+	if (argc == 2) {
+		param = simple_strtoul(argv[1], NULL, 16);
+
+		switch (param) {
+		case 0:
+			reset_type = SYSRESET_COLD;
+			break;
+		case 1:
+			reset_type = SYSRESET_WARM;
+			break;
+		default:
+			return CMD_RET_USAGE;
+		}
+	}
+
 	printf("resetting ...\n");
 	mdelay(100);
 
-	sysreset_walk_halt(SYSRESET_COLD);
+	sysreset_walk_halt(reset_type);
 
 	return 0;
 }
-- 
2.25.1