combine block device load commands into common function

All the raw block load commands duplicate the same code. Starting with
the ide version as it has progress updates convert ide, usb, and scsi boot
commands to all use a common version.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>

1 files changed, 1 insertions, 122 deletions

diff --git a/common/cmd_scsi.c b/common/cmd_scsi.c
index d15b567dbb..22d0119814 100644
--- a/common/cmd_scsi.c
+++ b/common/cmd_scsi.c
@@ -206,128 +206,7 @@ block_dev_desc_t * scsi_get_dev(int dev)
  */
 int do_scsiboot (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 {
-	char *boot_device = NULL;
-	char *ep;
-	int dev, part = 0;
-	ulong addr, cnt;
-	disk_partition_t info;
-	image_header_t *hdr;
-#if defined(CONFIG_FIT)
-	const void *fit_hdr = NULL;
-#endif
-
-	switch (argc) {
-	case 1:
-		addr = CONFIG_SYS_LOAD_ADDR;
-		boot_device = getenv ("bootdevice");
-		break;
-	case 2:
-		addr = simple_strtoul(argv[1], NULL, 16);
-		boot_device = getenv ("bootdevice");
-		break;
-	case 3:
-		addr = simple_strtoul(argv[1], NULL, 16);
-		boot_device = argv[2];
-		break;
-	default:
-		return CMD_RET_USAGE;
-	}
-
-	if (!boot_device) {
-		puts ("\n** No boot device **\n");
-		return 1;
-	}
-
-	dev = simple_strtoul(boot_device, &ep, 16);
-	printf("booting from dev %d\n",dev);
-	if (scsi_dev_desc[dev].type == DEV_TYPE_UNKNOWN) {
-		printf ("\n** Device %d not available\n", dev);
-		return 1;
-	}
-
-	if (*ep) {
-		if (*ep != ':') {
-			puts ("\n** Invalid boot device, use `dev[:part]' **\n");
-			return 1;
-		}
-		part = simple_strtoul(++ep, NULL, 16);
-	}
-	if (get_partition_info (&scsi_dev_desc[dev], part, &info)) {
-		printf("error reading partinfo\n");
-		return 1;
-	}
-	if ((strncmp((char *)(info.type), BOOT_PART_TYPE, sizeof(info.type)) != 0) &&
-	    (strncmp((char *)(info.type), BOOT_PART_COMP, sizeof(info.type)) != 0)) {
-		printf ("\n** Invalid partition type \"%.32s\""
-			" (expect \"" BOOT_PART_TYPE "\")\n",
-			info.type);
-		return 1;
-	}
-
-	printf ("\nLoading from SCSI device %d, partition %d: "
-		"Name: %.32s  Type: %.32s\n",
-		dev, part, info.name, info.type);
-
-	debug ("First Block: %ld,  # of blocks: %ld, Block Size: %ld\n",
-		info.start, info.size, info.blksz);
-
-	if (scsi_read (dev, info.start, 1, (ulong *)addr) != 1) {
-		printf ("** Read error on %d:%d\n", dev, part);
-		return 1;
-	}
-
-	switch (genimg_get_format ((void *)addr)) {
-	case IMAGE_FORMAT_LEGACY:
-		hdr = (image_header_t *)addr;
-
-		if (!image_check_hcrc (hdr)) {
-			puts ("\n** Bad Header Checksum **\n");
-			return 1;
-		}
-
-		image_print_contents (hdr);
-		cnt = image_get_image_size (hdr);
-		break;
-#if defined(CONFIG_FIT)
-	case IMAGE_FORMAT_FIT:
-		fit_hdr = (const void *)addr;
-		puts ("Fit image detected...\n");
-
-		cnt = fit_get_size (fit_hdr);
-		break;
-#endif
-	default:
-		puts ("** Unknown image type\n");
-		return 1;
-	}
-
-	cnt += info.blksz - 1;
-	cnt /= info.blksz;
-	cnt -= 1;
-
-	if (scsi_read (dev, info.start+1, cnt,
-		      (ulong *)(addr+info.blksz)) != cnt) {
-		printf ("** Read error on %d:%d\n", dev, part);
-		return 1;
-	}
-
-#if defined(CONFIG_FIT)
-	/* This cannot be done earlier, we need complete FIT image in RAM first */
-	if (genimg_get_format ((void *)addr) == IMAGE_FORMAT_FIT) {
-		if (!fit_check_format (fit_hdr)) {
-			puts ("** Bad FIT image format\n");
-			return 1;
-		}
-		fit_print_contents (fit_hdr);
-	}
-#endif
-
-	/* Loading ok, update default load address */
-	load_addr = addr;
-
-	flush_cache (addr, (cnt+1)*info.blksz);
-
-	return bootm_maybe_autostart(cmdtp, argv[0]);
+	return common_diskboot(cmdtp, "scsi", argc, argv);
 }
 
 /*********************************************************************************