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Diffstat (limited to 'cmd/read.c')
-rw-r--r--cmd/read.c61
1 files changed, 30 insertions, 31 deletions
diff --git a/cmd/read.c b/cmd/read.c
index fecfadaa1fa..1218e7acfd0 100644
--- a/cmd/read.c
+++ b/cmd/read.c
@@ -13,70 +13,69 @@
#include <mapmem.h>
#include <part.h>
-int do_read(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
+static int
+do_rw(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
{
- char *ep;
struct blk_desc *dev_desc = NULL;
- int dev;
- int part = 0;
struct disk_partition part_info;
- ulong offset = 0u;
- ulong limit = 0u;
+ ulong offset, limit;
+ uint blk, cnt, res;
void *addr;
- uint blk;
- uint cnt;
+ int part;
if (argc != 6) {
cmd_usage(cmdtp);
return 1;
}
- dev = (int)hextoul(argv[2], &ep);
- if (*ep) {
- if (*ep != ':') {
- printf("Invalid block device %s\n", argv[2]);
- return 1;
- }
- part = (int)hextoul(++ep, NULL);
- }
-
- dev_desc = blk_get_dev(argv[1], dev);
- if (dev_desc == NULL) {
- printf("Block device %s %d not supported\n", argv[1], dev);
+ part = part_get_info_by_dev_and_name_or_num(argv[1], argv[2],
+ &dev_desc, &part_info, 1);
+ if (part < 0)
return 1;
- }
addr = map_sysmem(hextoul(argv[3], NULL), 0);
blk = hextoul(argv[4], NULL);
cnt = hextoul(argv[5], NULL);
- if (part != 0) {
- if (part_get_info(dev_desc, part, &part_info)) {
- printf("Cannot find partition %d\n", part);
- return 1;
- }
+ if (part > 0) {
offset = part_info.start;
limit = part_info.size;
} else {
/* Largest address not available in struct blk_desc. */
+ offset = 0;
limit = ~0;
}
if (cnt + blk > limit) {
- printf("Read out of range\n");
+ printf("%s out of range\n", cmdtp->name);
return 1;
}
- if (blk_dread(dev_desc, offset + blk, cnt, addr) != cnt) {
- printf("Error reading blocks\n");
+ if (IS_ENABLED(CONFIG_CMD_WRITE) && !strcmp(cmdtp->name, "write"))
+ res = blk_dwrite(dev_desc, offset + blk, cnt, addr);
+ else
+ res = blk_dread(dev_desc, offset + blk, cnt, addr);
+
+ if (res != cnt) {
+ printf("%s error\n", cmdtp->name);
return 1;
}
return 0;
}
+#ifdef CONFIG_CMD_READ
U_BOOT_CMD(
- read, 6, 0, do_read,
+ read, 6, 0, do_rw,
"Load binary data from a partition",
- "<interface> <dev[:part]> addr blk# cnt"
+ "<interface> <dev[:part|#partname]> addr blk# cnt"
+);
+#endif
+
+#ifdef CONFIG_CMD_WRITE
+U_BOOT_CMD(
+ write, 6, 0, do_rw,
+ "Store binary data to a partition",
+ "<interface> <dev[:part|#partname]> addr blk# cnt"
);
+#endif