Merge branch 'master' of git://git.denx.de/u-boot

1 files changed, 27 insertions, 6 deletions

diff --git a/common/cmd_armflash.c b/common/cmd_armflash.c
index 1db92b0599..af453f7b3b 100644
--- a/common/cmd_armflash.c
+++ b/common/cmd_armflash.c
@@ -175,7 +175,7 @@ static void parse_flash(void)
 		parse_bank(bank);
 }
 
-static void load_image(const char * const name, const ulong address)
+static int load_image(const char * const name, const ulong address)
 {
 	struct afs_image *afi = NULL;
 	int i;
@@ -191,7 +191,7 @@ static void load_image(const char * const name, const ulong address)
 	}
 	if (!afi) {
 		printf("image \"%s\" not found in flash\n", name);
-		return;
+		return CMD_RET_FAILURE;
 	}
 
 	for (i = 0; i < afi->region_count; i++) {
@@ -204,7 +204,7 @@ static void load_image(const char * const name, const ulong address)
 			to = afi->regions[i].load_address;
 		} else {
 			printf("no valid load address\n");
-			return;
+			return CMD_RET_FAILURE;
 		}
 
 		memcpy((void *)to, (void *)from, afi->regions[i].size);
@@ -215,6 +215,7 @@ static void load_image(const char * const name, const ulong address)
 		       to,
 		       afi->regions[i].size);
 	}
+	return CMD_RET_SUCCESS;
 }
 
 static void print_images(void)
@@ -251,27 +252,47 @@ static void print_images(void)
 	}
 }
 
+static int exists(const char * const name)
+{
+	int i;
+
+	parse_flash();
+	for (i = 0; i < num_afs_images; i++) {
+		struct afs_image *afi = &afs_images[i];
+
+		if (strcmp(afi->name, name) == 0)
+			return CMD_RET_SUCCESS;
+	}
+	return CMD_RET_FAILURE;
+}
+
 static int do_afs(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 {
+	int ret = CMD_RET_SUCCESS;
+
 	if (argc == 1) {
 		print_images();
+	} else if (argc == 3 && !strcmp(argv[1], "exists")) {
+		ret = exists(argv[2]);
 	} else if (argc == 3 && !strcmp(argv[1], "load")) {
-		load_image(argv[2], 0x0);
+		ret = load_image(argv[2], 0x0);
 	} else if (argc == 4 && !strcmp(argv[1], "load")) {
 		ulong load_addr;
 
 		load_addr = simple_strtoul(argv[3], NULL, 16);
-		load_image(argv[2], load_addr);
+		ret = load_image(argv[2], load_addr);
 	} else {
 		return CMD_RET_USAGE;
 	}
 
-	return 0;
+	return ret;
 }
 
 U_BOOT_CMD(afs, 4, 0, do_afs, "show AFS partitions",
 	   "no arguments\n"
 	   "    - list images in flash\n"
+	   "exists <image>\n"
+	   "    - returns 1 if an image exists, else 0\n"
 	   "load <image>\n"
 	   "    - load an image to the location indicated in the header\n"
 	   "load <image> 0x<address>\n"