*
* 'mtdparts' - partition list
*
- * mtdparts=mtdparts=<mtd-def>[;<mtd-def>...]
+ * mtdparts=[mtdparts=]<mtd-def>[;<mtd-def>...]
*
* <mtd-def> := <mtd-id>:<part-def>[,<part-def>...]
* <mtd-id> := unique device tag used by linux kernel to find mtd device (mtd->name)
*
* 1 NOR Flash, with 1 single writable partition:
* mtdids=nor0=edb7312-nor
- * mtdparts=mtdparts=edb7312-nor:-
+ * mtdparts=[mtdparts=]edb7312-nor:-
*
* 1 NOR Flash with 2 partitions, 1 NAND with one
* mtdids=nor0=edb7312-nor,nand0=edb7312-nand
- * mtdparts=mtdparts=edb7312-nor:256k(ARMboot)ro,-(root);edb7312-nand:-(home)
+ * mtdparts=[mtdparts=]edb7312-nor:256k(ARMboot)ro,-(root);edb7312-nand:-(home)
*
*/
#include <common.h>
#include <command.h>
+#include <env.h>
+#include <log.h>
#include <malloc.h>
+#include <asm/global_data.h>
#include <jffs2/load_kernel.h>
#include <linux/list.h>
#include <linux/ctype.h>
#define MTD_WRITEABLE_CMD 1
/* default values for mtdids and mtdparts variables */
-#if !defined(MTDIDS_DEFAULT)
#ifdef CONFIG_MTDIDS_DEFAULT
#define MTDIDS_DEFAULT CONFIG_MTDIDS_DEFAULT
#else
#define MTDIDS_DEFAULT NULL
#endif
-#endif
-#if !defined(MTDPARTS_DEFAULT)
#ifdef CONFIG_MTDPARTS_DEFAULT
#define MTDPARTS_DEFAULT CONFIG_MTDPARTS_DEFAULT
#else
#define MTDPARTS_DEFAULT NULL
#endif
-#endif
+
#if defined(CONFIG_SYS_MTDPARTS_RUNTIME)
extern void board_mtdparts_default(const char **mtdids, const char **mtdparts);
#endif
*
* @param ptr where parse begins
* @param retptr output pointer to next char after parse completes (output)
- * @return resulting unsigned int
+ * Return: resulting unsigned int
*/
static u64 memsize_parse (const char *const ptr, const char **retptr)
{
* @param type mtd type
* @param num mtd number
* @param mtd a pointer to an mtd_info instance (output)
- * @return 0 if device is valid, 1 otherwise
+ * Return: 0 if device is valid, 1 otherwise
*/
static int get_mtd_info(u8 type, u8 num, struct mtd_info **mtd)
{
*
* @param id of the parent device
* @param part partition to validate
- * @return 0 if partition is valid, 1 otherwise
+ * Return: 0 if partition is valid, 1 otherwise
*/
static int part_validate_eraseblock(struct mtdids *id, struct part_info *part)
{
*
* @param id of the parent device
* @param part partition to validate
- * @return 0 if partition is valid, 1 otherwise
+ * Return: 0 if partition is valid, 1 otherwise
*/
static int part_validate(struct mtdids *id, struct part_info *part)
{
*
* @param dev device to delete partition from
* @param part partition to delete
- * @return 0 on success, 1 otherwise
+ * Return: 0 on success, 1 otherwise
*/
static int part_del(struct mtd_device *dev, struct part_info *part)
{
*
* @param dev device to which partition is added
* @param part partition to be added
- * @return 0 on success, 1 otherwise
+ * Return: 0 on success, 1 otherwise
*/
static int part_add(struct mtd_device *dev, struct part_info *part)
{
* @param partdef pointer to the partition definition string i.e. <part-def>
* @param ret output pointer to next char after parse completes (output)
* @param retpart pointer to the allocated partition (output)
- * @return 0 on success, 1 otherwise
+ * Return: 0 on success, 1 otherwise
*/
static int part_parse(const char *const partdef, const char **ret, struct part_info **retpart)
{
* @param type mtd type
* @param num mtd number
* @param size a pointer to the size of the mtd device (output)
- * @return 0 if device is valid, 1 otherwise
+ * Return: 0 if device is valid, 1 otherwise
*/
static int mtd_device_validate(u8 type, u8 num, u64 *size)
{
* Delete all mtd devices from a supplied devices list, free memory allocated for
* each device and delete all device partitions.
*
- * @return 0 on success, 1 otherwise
+ * Return: 0 on success, 1 otherwise
*/
static int device_delall(struct list_head *head)
{
* from device list and device memory is freed.
*
* @param dev device to be deleted
- * @return 0 on success, 1 otherwise
+ * Return: 0 on success, 1 otherwise
*/
static int device_del(struct mtd_device *dev)
{
*
* @param type device type
* @param num device number
- * @return NULL if requested device does not exist
+ * Return: NULL if requested device does not exist
*/
struct mtd_device *device_find(u8 type, u8 num)
{
* @param mtd_dev pointer to the device definition string i.e. <mtd-dev>
* @param ret output pointer to next char after parse completes (output)
* @param retdev pointer to the allocated device (output)
- * @return 0 on success, 1 otherwise
+ * Return: 0 on success, 1 otherwise
*/
static int device_parse(const char *const mtd_dev, const char **ret, struct mtd_device **retdev)
{
/**
* Initialize global device list.
*
- * @return 0 on success, 1 otherwise
+ * Return: 0 on success, 1 otherwise
*/
static int mtd_devices_init(void)
{
/*
* Search global mtdids list and find id of requested type and number.
*
- * @return pointer to the id if it exists, NULL otherwise
+ * Return: pointer to the id if it exists, NULL otherwise
*/
static struct mtdids* id_find(u8 type, u8 num)
{
*
* @param mtd_id string containing requested mtd_id
* @param mtd_id_len length of supplied mtd_id
- * @return pointer to the id if it exists, NULL otherwise
+ * Return: pointer to the id if it exists, NULL otherwise
*/
static struct mtdids* id_find_by_mtd_id(const char *mtd_id, unsigned int mtd_id_len)
{
* @param ret_id output pointer to next char after parse completes (output)
* @param dev_type parsed device type (output)
* @param dev_num parsed device number (output)
- * @return 0 on success, 1 otherwise
+ * Return: 0 on success, 1 otherwise
*/
int mtd_id_parse(const char *id, const char **ret_id, u8 *dev_type,
u8 *dev_num)
*
* @param buf output buffer holding generated mtdparts string (output)
* @param buflen buffer size
- * @return 0 on success, 1 otherwise
+ * Return: 0 on success, 1 otherwise
*/
static int generate_mtdparts(char *buf, u32 buflen)
{
return 0;
}
- strcpy(p, "mtdparts=");
- p += 9;
-
list_for_each(dentry, &devices) {
dev = list_entry(dentry, struct mtd_device, link);
*
* @param buf output buffer holding generated mtdparts string (output)
* @param buflen buffer size
- * @return 0 on success, 1 otherwise
+ * Return: 0 on success, 1 otherwise
*/
static int generate_mtdparts_save(char *buf, u32 buflen)
{
*
* @param mtd the mtd info
* @param part the partition
- * @return the calculated net size of this partition
+ * Return: the calculated net size of this partition
*/
static uint64_t net_part_size(struct mtd_info *mtd, struct part_info *part)
{
uint64_t i, net_size = 0;
- if (!mtd->block_isbad)
+ if (!mtd->_block_isbad)
return part->size;
for (i = 0; i < part->size; i += mtd->erasesize) {
- if (!mtd->block_isbad(mtd, part->offset + i))
+ if (!mtd->_block_isbad(mtd, part->offset + i))
net_size += mtd->erasesize;
}
part = list_entry(pentry, struct part_info, link);
net_size = net_part_size(mtd, part);
size_note = part->size == net_size ? " " : " (!)";
- printf("%2d: %-20s0x%08x\t0x%08x%s\t0x%08x\t%d\n",
+ printf("%2d: %-20s0x%08llx\t0x%08x%s\t0x%08llx\t%d\n",
part_num, part->name, part->size,
net_size, size_note, part->offset,
part->mask_flags);
* @param dev pointer to the requested device (output)
* @param part_num verified partition number (output)
* @param part pointer to requested partition (output)
- * @return 0 on success, 1 otherwise
+ * Return: 0 on success, 1 otherwise
*/
int find_dev_and_part(const char *id, struct mtd_device **dev,
u8 *part_num, struct part_info **part)
* Find and delete partition. For partition id format see find_dev_and_part().
*
* @param id string describing device and partition
- * @return 0 on success, 1 otherwise
+ * Return: 0 on success, 1 otherwise
*/
static int delete_partition(const char *id)
{
* as big as their mtdparts environment variable sizes and they each start
* on a good block.
*
- * @return 0 on success, 1 otherwise
+ * Return: 0 on success, 1 otherwise
*/
static int spread_partitions(void)
{
* buffer. gd->env_buf will be too small.
*
* @param buf temporary buffer pointer MTDPARTS_MAXLEN long
- * @return mtdparts variable string, NULL if not found
+ * Return: mtdparts variable string, NULL if not found
*/
static const char *env_get_mtdparts(char *buf)
{
* for each entry. Add created devices to the global devices list.
*
* @param mtdparts string specifing mtd partitions
- * @return 0 on success, 1 otherwise
+ * Return: 0 on success, 1 otherwise
*/
static int parse_mtdparts(const char *const mtdparts)
{
if (!p)
p = mtdparts;
- if (strncmp(p, "mtdparts=", 9) != 0) {
- printf("mtdparts variable doesn't start with 'mtdparts='\n");
- return err;
- }
- p += 9;
+ /* Skip the useless prefix, if any */
+ if (strncmp(p, "mtdparts=", 9) == 0)
+ p += 9;
while (*p != '\0') {
err = 1;
* to the global mtdids list.
*
* @param ids mapping string
- * @return 0 on success, 1 otherwise
+ * Return: 0 on success, 1 otherwise
*/
static int parse_mtdids(const char *const ids)
{
* Parse and initialize global mtdids mapping and create global
* device/partition list.
*
- * @return 0 on success, 1 otherwise
+ * Return: 0 on success, 1 otherwise
*/
int mtdparts_init(void)
{
*
* @param dev device that is to be searched for a partition
* @param part_num requested partition number
- * @return pointer to the part_info, NULL otherwise
+ * Return: pointer to the part_info, NULL otherwise
*/
static struct part_info* mtd_part_info(struct mtd_device *dev, unsigned int part_num)
{
* @param flag command flag
* @param argc number of arguments supplied to the command
* @param argv arguments list
- * @return 0 on success, 1 otherwise
+ * Return: 0 on success, 1 otherwise
*/
-static int do_chpart(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+static int do_chpart(struct cmd_tbl *cmdtp, int flag, int argc,
+ char *const argv[])
{
/* command line only */
struct mtd_device *dev;
* @param flag command flag
* @param argc number of arguments supplied to the command
* @param argv arguments list
- * @return 0 on success, 1 otherwise
+ * Return: 0 on success, 1 otherwise
*/
-static int do_mtdparts(cmd_tbl_t *cmdtp, int flag, int argc,
- char * const argv[])
+static int do_mtdparts(struct cmd_tbl *cmdtp, int flag, int argc,
+ char *const argv[])
{
if (argc == 2) {
if (strcmp(argv[1], "default") == 0) {
/***************************************************/
U_BOOT_CMD(
chpart, 2, 0, do_chpart,
- "change active partition",
+ "change active partition of a MTD device",
"part-id\n"
- " - change active partition (e.g. part-id = nand0,1)"
+ " - change active partition (e.g. part-id = nand0,1) of a MTD device"
);
-#ifdef CONFIG_SYS_LONGHELP
-static char mtdparts_help_text[] =
+U_BOOT_LONGHELP(mtdparts,
"\n"
" - list partition table\n"
"mtdparts delall\n"
"<size> := standard linux memsize OR '-' to denote all remaining space\n"
"<offset> := partition start offset within the device\n"
"<name> := '(' NAME ')'\n"
- "<ro-flag> := when set to 'ro' makes partition read-only (not used, passed to kernel)";
-#endif
+ "<ro-flag> := when set to 'ro' makes partition read-only (not used, passed to kernel)");
U_BOOT_CMD(
mtdparts, 6, 0, do_mtdparts,
projects / thirdparty / u-boot.git / blobdiff