X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=common%2Fcmd_sata.c;h=51f67033ae32026d973e8944685839587c855e5e;hb=822d43a6d90223db043d1610895c8e8b82e5ba5b;hp=fc921319667fcef566a84da876586811f79a39d3;hpb=8b485ba12b0defa0c4ed3559789250238f8331a8;p=oweals%2Fu-boot.git

diff --git a/common/cmd_sata.c b/common/cmd_sata.c
index fc92131966..51f67033ae 100644
--- a/common/cmd_sata.c
+++ b/common/cmd_sata.c
@@ -48,6 +48,20 @@ int __sata_initialize(void)
 }
 int sata_initialize(void) __attribute__((weak,alias("__sata_initialize")));
 
+__weak int __sata_stop(void)
+{
+	int i, err = 0;
+
+	for (i = 0; i < CONFIG_SYS_SATA_MAX_DEVICE; i++)
+		err |= reset_sata(i);
+
+	if (err)
+		printf("Could not reset some SATA devices\n");
+
+	return err;
+}
+int sata_stop(void) __attribute__((weak, alias("__sata_stop")));
+
 #ifdef CONFIG_PARTITIONS
 block_dev_desc_t *sata_get_dev(int dev)
 {
@@ -59,8 +73,15 @@ static int do_sata(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 {
 	int rc = 0;
 
-	if (argc == 2 && strcmp(argv[1], "init") == 0)
+	if (argc == 2 && strcmp(argv[1], "stop") == 0)
+		return sata_stop();
+
+	if (argc == 2 && strcmp(argv[1], "init") == 0) {
+		if (sata_curr_device != -1)
+			sata_stop();
+
 		return sata_initialize();
+	}
 
 	/* If the user has not yet run `sata init`, do it now */
 	if (sata_curr_device == -1)
@@ -185,6 +206,7 @@ U_BOOT_CMD(
 	sata, 5, 1, do_sata,
 	"SATA sub system",
 	"init - init SATA sub system\n"
+	"sata stop - disable SATA sub system\n"
 	"sata info - show available SATA devices\n"
 	"sata device [dev] - show or set current device\n"
 	"sata part [dev] - print partition table\n"