Add JFFS2 command support on OneNAND
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
diff --git a/common/cmd_jffs2.c b/common/cmd_jffs2.c
index c031d80..c6920c9 100644
--- a/common/cmd_jffs2.c
+++ b/common/cmd_jffs2.c
@@ -51,7 +51,7 @@
* mtdids=<idmap>[,<idmap>,...]
*
* <idmap> := <dev-id>=<mtd-id>
- * <dev-id> := 'nand'|'nor'<dev-num>
+ * <dev-id> := 'nand'|'nor'|'onenand'<dev-num>
* <dev-num> := mtd device number, 0...
* <mtd-id> := unique device tag used by linux kernel to find mtd device (mtd->name)
*
@@ -103,6 +103,13 @@
#include <nand.h>
#endif /* !CONFIG_NAND_LEGACY */
#endif
+
+#if defined(CONFIG_CMD_ONENAND)
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/onenand.h>
+#include <onenand_uboot.h>
+#endif
+
/* enable/disable debugging messages */
#define DEBUG_JFFS
#undef DEBUG_JFFS
@@ -401,6 +408,43 @@
}
/**
+ * Performs sanity check for supplied OneNAND flash partition.
+ * Table of existing OneNAND flash devices is searched and partition device
+ * is located. Alignment with the granularity of nand erasesize is verified.
+ *
+ * @param id of the parent device
+ * @param part partition to validate
+ * @return 0 if partition is valid, 1 otherwise
+ */
+static int part_validate_onenand(struct mtdids *id, struct part_info *part)
+{
+#if defined(CONFIG_CMD_ONENAND)
+ /* info for OneNAND chips */
+ struct mtd_info *mtd;
+
+ mtd = &onenand_mtd;
+
+ if ((unsigned long)(part->offset) % mtd->erasesize) {
+ printf("%s%d: partition (%s) start offset"
+ "alignment incorrect\n",
+ MTD_DEV_TYPE(id->type), id->num, part->name);
+ return 1;
+ }
+
+ if (part->size % mtd->erasesize) {
+ printf("%s%d: partition (%s) size alignment incorrect\n",
+ MTD_DEV_TYPE(id->type), id->num, part->name);
+ return 1;
+ }
+
+ return 0;
+#else
+ return 1;
+#endif
+}
+
+
+/**
* Performs sanity check for supplied partition. Offset and size are verified
* to be within valid range. Partition type is checked and either
* parts_validate_nor() or parts_validate_nand() is called with the argument
@@ -436,6 +480,8 @@
return part_validate_nand(id, part);
else if (id->type == MTD_DEV_TYPE_NOR)
return part_validate_nor(id, part);
+ else if (id->type == MTD_DEV_TYPE_ONENAND)
+ return part_validate_onenand(id, part);
else
DEBUGF("part_validate: invalid dev type\n");
@@ -755,7 +801,15 @@
#else
printf("support for NAND devices not present\n");
#endif
- }
+ } else if (type == MTD_DEV_TYPE_ONENAND) {
+#if defined(CONFIG_CMD_ONENAND)
+ *size = onenand_mtd.size;
+ return 0;
+#else
+ printf("support for OneNAND devices not present\n");
+#endif
+ } else
+ printf("Unknown defice type %d\n", type);
return 1;
}
@@ -1065,8 +1119,8 @@
#endif /* #ifdef CONFIG_JFFS2_CMDLINE */
/**
- * Parse device id string <dev-id> := 'nand'|'nor'<dev-num>, return device
- * type and number.
+ * Parse device id string <dev-id> := 'nand'|'nor'|'onenand'<dev-num>,
+ * return device type and number.
*
* @param id string describing device id
* @param ret_id output pointer to next char after parse completes (output)
@@ -1085,6 +1139,9 @@
} else if (strncmp(p, "nor", 3) == 0) {
*dev_type = MTD_DEV_TYPE_NOR;
p += 3;
+ } else if (strncmp(p, "onenand", 7) == 0) {
+ *dev_type = MTD_DEV_TYPE_ONENAND;
+ p += 7;
} else {
printf("incorrect device type in %s\n", id);
return 1;
@@ -1489,7 +1546,7 @@
while(p && (*p != '\0')) {
ret = 1;
- /* parse 'nor'|'nand'<dev-num> */
+ /* parse 'nor'|'nand'|'onenand'<dev-num> */
if (id_parse(p, &p, &type, &num) != 0)
break;
@@ -2181,7 +2238,7 @@
"'mtdids' - linux kernel mtd device id <-> u-boot device id mapping\n\n"
"mtdids=<idmap>[,<idmap>,...]\n\n"
"<idmap> := <dev-id>=<mtd-id>\n"
- "<dev-id> := 'nand'|'nor'<dev-num>\n"
+ "<dev-id> := 'nand'|'nor'|'onenand'<dev-num>\n"
"<dev-num> := mtd device number, 0...\n"
"<mtd-id> := unique device tag used by linux kernel to find mtd device (mtd->name)\n\n"
"'mtdparts' - partition list\n\n"
