imls: Add support to list images in NAND device
This patch adds support to list images in NAND flash through imls
Signed-off-by: Vipin Kumar <vipin.kumar@st.com>
diff --git a/README b/README
index d8cb394..0070694 100644
--- a/README
+++ b/README
@@ -842,7 +842,8 @@
CONFIG_CMD_I2C * I2C serial bus support
CONFIG_CMD_IDE * IDE harddisk support
CONFIG_CMD_IMI iminfo
- CONFIG_CMD_IMLS List all found images
+ CONFIG_CMD_IMLS List all images found in NOR flash
+ CONFIG_CMD_IMLS_NAND List all images found in NAND flash
CONFIG_CMD_IMMAP * IMMR dump support
CONFIG_CMD_IMPORTENV * import an environment
CONFIG_CMD_INI * import data from an ini file into the env
diff --git a/common/cmd_bootm.c b/common/cmd_bootm.c
index f0338ba..1312a0d 100644
--- a/common/cmd_bootm.c
+++ b/common/cmd_bootm.c
@@ -79,9 +79,15 @@
#include <flash.h>
#include <mtd/cfi_flash.h>
extern flash_info_t flash_info[]; /* info for FLASH chips */
+#endif
+
+#if defined(CONFIG_CMD_IMLS) || defined(CONFIG_CMD_IMLS_NAND)
static int do_imls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
#endif
+#include <linux/err.h>
+#include <nand.h>
+
#ifdef CONFIG_SILENT_CONSOLE
static void fixup_silent_linux(void);
#endif
@@ -1192,7 +1198,7 @@
/* imls - list all images found in flash */
/*******************************************************************/
#if defined(CONFIG_CMD_IMLS)
-static int do_imls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+static int do_imls_nor(void)
{
flash_info_t *info;
int i, j;
@@ -1241,6 +1247,161 @@
}
next_bank: ;
}
+ return 0;
+}
+#endif
+
+#if defined(CONFIG_CMD_IMLS_NAND)
+static int nand_imls_legacyimage(nand_info_t *nand, int nand_dev, loff_t off,
+ size_t len)
+{
+ void *imgdata;
+ int ret;
+
+ imgdata = malloc(len);
+ if (!imgdata) {
+ printf("May be a Legacy Image at NAND device %d offset %08llX:\n",
+ nand_dev, off);
+ printf(" Low memory(cannot allocate memory for image)\n");
+ return -ENOMEM;
+ }
+
+ ret = nand_read_skip_bad(nand, off, &len,
+ imgdata);
+ if (ret < 0 && ret != -EUCLEAN) {
+ free(imgdata);
+ return ret;
+ }
+
+ if (!image_check_hcrc(imgdata)) {
+ free(imgdata);
+ return 0;
+ }
+
+ printf("Legacy Image at NAND device %d offset %08llX:\n",
+ nand_dev, off);
+ image_print_contents(imgdata);
+
+ puts(" Verifying Checksum ... ");
+ if (!image_check_dcrc(imgdata))
+ puts("Bad Data CRC\n");
+ else
+ puts("OK\n");
+
+ free(imgdata);
+
+ return 0;
+}
+
+static int nand_imls_fitimage(nand_info_t *nand, int nand_dev, loff_t off,
+ size_t len)
+{
+ void *imgdata;
+ int ret;
+
+ imgdata = malloc(len);
+ if (!imgdata) {
+ printf("May be a FIT Image at NAND device %d offset %08llX:\n",
+ nand_dev, off);
+ printf(" Low memory(cannot allocate memory for image)\n");
+ return -ENOMEM;
+ }
+
+ ret = nand_read_skip_bad(nand, off, &len,
+ imgdata);
+ if (ret < 0 && ret != -EUCLEAN) {
+ free(imgdata);
+ return ret;
+ }
+
+ if (!fit_check_format(imgdata)) {
+ free(imgdata);
+ return 0;
+ }
+
+ printf("FIT Image at NAND device %d offset %08llX:\n", nand_dev, off);
+
+ fit_print_contents(imgdata);
+ free(imgdata);
+
+ return 0;
+}
+
+static int do_imls_nand(void)
+{
+ nand_info_t *nand;
+ int nand_dev = nand_curr_device;
+ size_t len;
+ loff_t off;
+ u32 buffer[16];
+
+ if (nand_dev < 0 || nand_dev >= CONFIG_SYS_MAX_NAND_DEVICE) {
+ puts("\nNo NAND devices available\n");
+ return -ENODEV;
+ }
+
+ printf("\n");
+
+ for (nand_dev = 0; nand_dev < CONFIG_SYS_MAX_NAND_DEVICE; nand_dev++) {
+ nand = &nand_info[nand_dev];
+ if (!nand->name || !nand->size)
+ continue;
+
+ for (off = 0; off < nand->size; off += nand->erasesize) {
+ const image_header_t *header;
+ int ret;
+
+ if (nand_block_isbad(nand, off))
+ continue;
+
+ len = sizeof(buffer);
+
+ ret = nand_read(nand, off, &len, (u8 *)buffer);
+ if (ret < 0 && ret != -EUCLEAN) {
+ printf("NAND read error %d at offset %08llX\n",
+ ret, off);
+ continue;
+ }
+
+ switch (genimg_get_format(buffer)) {
+ case IMAGE_FORMAT_LEGACY:
+ header = (const image_header_t *)buffer;
+
+ len = image_get_image_size(header);
+ nand_imls_legacyimage(nand, nand_dev, off, len);
+ break;
+#if defined(CONFIG_FIT)
+ case IMAGE_FORMAT_FIT:
+ len = fit_get_size(buffer);
+ nand_imls_fitimage(nand, nand_dev, off, len);
+ break;
+#endif
+ }
+ }
+ }
+
+ return 0;
+}
+#endif
+
+#if defined(CONFIG_CMD_IMLS) || defined(CONFIG_CMD_IMLS_NAND)
+static int do_imls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ int ret_nor = 0, ret_nand = 0;
+
+#if defined(CONFIG_CMD_IMLS)
+ ret_nor = do_imls_nor();
+#endif
+
+#if defined(CONFIG_CMD_IMLS_NAND)
+ ret_nand = do_imls_nand();
+#endif
+
+ if (ret_nor)
+ return ret_nor;
+
+ if (ret_nand)
+ return ret_nand;
return (0);
}
@@ -1249,8 +1410,8 @@
imls, 1, 1, do_imls,
"list all images found in flash",
"\n"
- " - Prints information about all images found at sector\n"
- " boundaries in flash."
+ " - Prints information about all images found at sector/block\n"
+ " boundaries in nor/nand flash."
);
#endif