summaryrefslogtreecommitdiff
path: root/common/cmd_jffs2.c
diff options
context:
space:
mode:
authorHaavard Skinnemoen <haavard.skinnemoen@atmel.com>2008-12-17 16:53:07 +0100
committerHaavard Skinnemoen <haavard.skinnemoen@atmel.com>2008-12-17 16:53:07 +0100
commitcb5473205206c7f14cbb1e747f28ec75b48826e2 (patch)
tree8f4808d60917100b18a10b05230f7638a0a9bbcc /common/cmd_jffs2.c
parentbaf449fc5ff96f071bb0e3789fd3265f6d4fd9a0 (diff)
parent92c78a3bbcb2ce508b4bf1c4a1e0940406a024bb (diff)
downloadu-boot-imx-cb5473205206c7f14cbb1e747f28ec75b48826e2.zip
u-boot-imx-cb5473205206c7f14cbb1e747f28ec75b48826e2.tar.gz
u-boot-imx-cb5473205206c7f14cbb1e747f28ec75b48826e2.tar.bz2
Merge branch 'fixes' into cleanups
Conflicts: board/atmel/atngw100/atngw100.c board/atmel/atstk1000/atstk1000.c cpu/at32ap/at32ap700x/gpio.c include/asm-avr32/arch-at32ap700x/clk.h include/configs/atngw100.h include/configs/atstk1002.h include/configs/atstk1003.h include/configs/atstk1004.h include/configs/atstk1006.h include/configs/favr-32-ezkit.h include/configs/hammerhead.h include/configs/mimc200.h
Diffstat (limited to 'common/cmd_jffs2.c')
-rw-r--r--common/cmd_jffs2.c113
1 files changed, 92 insertions, 21 deletions
diff --git a/common/cmd_jffs2.c b/common/cmd_jffs2.c
index c031d80..7866c80 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
@@ -332,11 +339,15 @@ static int part_validate_nor(struct mtdids *id, struct part_info *part)
extern flash_info_t flash_info[];
flash_info_t *flash;
int offset_aligned;
- u32 end_offset;
+ u32 end_offset, sector_size = 0;
int i;
flash = &flash_info[id->num];
+ /* size of last sector */
+ part->sector_size = flash->size -
+ (flash->start[flash->sector_count-1] - flash->start[0]);
+
offset_aligned = 0;
for (i = 0; i < flash->sector_count; i++) {
if ((flash->start[i] - flash->start[0]) == part->offset) {
@@ -351,12 +362,18 @@ static int part_validate_nor(struct mtdids *id, struct part_info *part)
}
end_offset = part->offset + part->size;
+ offset_aligned = 0;
for (i = 0; i < flash->sector_count; i++) {
+ if (i) {
+ sector_size = flash->start[i] - flash->start[i-1];
+ if (part->sector_size < sector_size)
+ part->sector_size = sector_size;
+ }
if ((flash->start[i] - flash->start[0]) == end_offset)
- return 0;
+ offset_aligned = 1;
}
- if (flash->size == end_offset)
+ if (offset_aligned || flash->size == end_offset)
return 0;
printf("%s%d: partition (%s) size alignment incorrect\n",
@@ -382,6 +399,8 @@ static int part_validate_nand(struct mtdids *id, struct part_info *part)
nand = &nand_info[id->num];
+ part->sector_size = nand->erasesize;
+
if ((unsigned long)(part->offset) % nand->erasesize) {
printf("%s%d: partition (%s) start offset alignment incorrect\n",
MTD_DEV_TYPE(id->type), id->num, part->name);
@@ -401,6 +420,45 @@ static int part_validate_nand(struct mtdids *id, struct part_info *part)
}
/**
+ * 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;
+
+ part->sector_size = mtd->erasesize;
+
+ 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 +494,8 @@ static int part_validate(struct mtdids *id, struct part_info *part)
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");
@@ -726,7 +786,7 @@ static int device_validate(u8 type, u8 num, u32 *size)
{
if (type == MTD_DEV_TYPE_NOR) {
#if defined(CONFIG_CMD_FLASH)
- if (num < CFG_MAX_FLASH_BANKS) {
+ if (num < CONFIG_SYS_MAX_FLASH_BANKS) {
extern flash_info_t flash_info[];
*size = flash_info[num].size;
@@ -734,28 +794,36 @@ static int device_validate(u8 type, u8 num, u32 *size)
}
printf("no such FLASH device: %s%d (valid range 0 ... %d\n",
- MTD_DEV_TYPE(type), num, CFG_MAX_FLASH_BANKS - 1);
+ MTD_DEV_TYPE(type), num, CONFIG_SYS_MAX_FLASH_BANKS - 1);
#else
printf("support for FLASH devices not present\n");
#endif
} else if (type == MTD_DEV_TYPE_NAND) {
#if defined(CONFIG_JFFS2_NAND) && defined(CONFIG_CMD_NAND)
- if (num < CFG_MAX_NAND_DEVICE) {
+ if (num < CONFIG_SYS_MAX_NAND_DEVICE) {
#ifndef CONFIG_NAND_LEGACY
*size = nand_info[num].size;
#else
- extern struct nand_chip nand_dev_desc[CFG_MAX_NAND_DEVICE];
+ extern struct nand_chip nand_dev_desc[CONFIG_SYS_MAX_NAND_DEVICE];
*size = nand_dev_desc[num].totlen;
#endif
return 0;
}
printf("no such NAND device: %s%d (valid range 0 ... %d)\n",
- MTD_DEV_TYPE(type), num, CFG_MAX_NAND_DEVICE - 1);
+ MTD_DEV_TYPE(type), num, CONFIG_SYS_MAX_NAND_DEVICE - 1);
#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;
}
@@ -1002,7 +1070,7 @@ static int device_parse(const char *const mtd_dev, const char **ret, struct mtd_
*
* @return 0 on success, 1 otherwise
*/
-static int devices_init(void)
+static int jffs2_devices_init(void)
{
last_parts[0] = '\0';
current_dev = NULL;
@@ -1065,8 +1133,8 @@ static struct mtdids* id_find_by_mtd_id(const char *mtd_id, unsigned int mtd_id_
#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 +1153,9 @@ int id_parse(const char *id, const char **ret_id, u8 *dev_type, u8 *dev_num)
} 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;
@@ -1414,12 +1485,12 @@ static int parse_mtdparts(const char *const mtdparts)
DEBUGF("\n---parse_mtdparts---\nmtdparts = %s\n\n", p);
/* delete all devices and partitions */
- if (devices_init() != 0) {
+ if (jffs2_devices_init() != 0) {
printf("could not initialise device list\n");
return err;
}
- /* re-read 'mtdparts' variable, devices_init may be updating env */
+ /* re-read 'mtdparts' variable, jffs2_devices_init may be updating env */
p = getenv("mtdparts");
if (strncmp(p, "mtdparts=", 9) != 0) {
@@ -1489,7 +1560,7 @@ static int parse_mtdids(const char *const ids)
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;
@@ -1641,7 +1712,7 @@ int mtdparts_init(void)
ids_changed = 1;
if (parse_mtdids(ids) != 0) {
- devices_init();
+ jffs2_devices_init();
return 1;
}
@@ -1674,7 +1745,7 @@ int mtdparts_init(void)
/* mtdparts variable was reset to NULL, delete all devices/partitions */
if (!parts && (last_parts[0] != '\0'))
- return devices_init();
+ return jffs2_devices_init();
/* do not process current partition if mtdparts variable is null */
if (!parts)
@@ -2048,8 +2119,8 @@ int do_jffs2_mtdparts(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
setenv("mtdparts", NULL);
- /* devices_init() calls current_save() */
- return devices_init();
+ /* jffs2_devices_init() calls current_save() */
+ return jffs2_devices_init();
}
}
@@ -2181,7 +2252,7 @@ U_BOOT_CMD(
"'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"