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authorH. Nikolaus Schaller <hns@goldelico.com>2012-03-26 20:55:28 +0200
committerH. Nikolaus Schaller <hns@goldelico.com>2012-03-26 20:55:28 +0200
commit92988a21ad4c4c9504295ccb580c9f806134471b (patch)
tree5effc9f14170112450de05c67dafbe8d5034d595 /common/cmd_ubi.c
parentca2b506783b676c95762c54ea24dcfdaae1947c9 (diff)
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added boot script files to repository
Diffstat (limited to 'common/cmd_ubi.c')
-rw-r--r--common/cmd_ubi.c636
1 files changed, 0 insertions, 636 deletions
diff --git a/common/cmd_ubi.c b/common/cmd_ubi.c
deleted file mode 100644
index b486ca8..0000000
--- a/common/cmd_ubi.c
+++ /dev/null
@@ -1,636 +0,0 @@
-/*
- * Unsorted Block Image commands
- *
- * Copyright (C) 2008 Samsung Electronics
- * Kyungmin Park <kyungmin.park@samsung.com>
- *
- * Copyright 2008-2009 Stefan Roese <sr@denx.de>, DENX Software Engineering
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include <common.h>
-#include <command.h>
-#include <exports.h>
-
-#include <nand.h>
-#include <onenand_uboot.h>
-#include <linux/mtd/mtd.h>
-#include <linux/mtd/partitions.h>
-#include <ubi_uboot.h>
-#include <asm/errno.h>
-#include <jffs2/load_kernel.h>
-
-#define DEV_TYPE_NONE 0
-#define DEV_TYPE_NAND 1
-#define DEV_TYPE_ONENAND 2
-#define DEV_TYPE_NOR 3
-
-/* Private own data */
-static struct ubi_device *ubi;
-static char buffer[80];
-static int ubi_initialized;
-
-struct selected_dev {
- char part_name[80];
- int selected;
- int nr;
- struct mtd_info *mtd_info;
-};
-
-static struct selected_dev ubi_dev;
-
-#ifdef CONFIG_CMD_UBIFS
-int ubifs_is_mounted(void);
-void cmd_ubifs_umount(void);
-#endif
-
-static void ubi_dump_vol_info(const struct ubi_volume *vol)
-{
- ubi_msg("volume information dump:");
- ubi_msg("vol_id %d", vol->vol_id);
- ubi_msg("reserved_pebs %d", vol->reserved_pebs);
- ubi_msg("alignment %d", vol->alignment);
- ubi_msg("data_pad %d", vol->data_pad);
- ubi_msg("vol_type %d", vol->vol_type);
- ubi_msg("name_len %d", vol->name_len);
- ubi_msg("usable_leb_size %d", vol->usable_leb_size);
- ubi_msg("used_ebs %d", vol->used_ebs);
- ubi_msg("used_bytes %lld", vol->used_bytes);
- ubi_msg("last_eb_bytes %d", vol->last_eb_bytes);
- ubi_msg("corrupted %d", vol->corrupted);
- ubi_msg("upd_marker %d", vol->upd_marker);
-
- if (vol->name_len <= UBI_VOL_NAME_MAX &&
- strnlen(vol->name, vol->name_len + 1) == vol->name_len) {
- ubi_msg("name %s", vol->name);
- } else {
- ubi_msg("the 1st 5 characters of the name: %c%c%c%c%c",
- vol->name[0], vol->name[1], vol->name[2],
- vol->name[3], vol->name[4]);
- }
- printf("\n");
-}
-
-static void display_volume_info(struct ubi_device *ubi)
-{
- int i;
-
- for (i = 0; i < (ubi->vtbl_slots + 1); i++) {
- if (!ubi->volumes[i])
- continue; /* Empty record */
- ubi_dump_vol_info(ubi->volumes[i]);
- }
-}
-
-static void display_ubi_info(struct ubi_device *ubi)
-{
- ubi_msg("MTD device name: \"%s\"", ubi->mtd->name);
- ubi_msg("MTD device size: %llu MiB", ubi->flash_size >> 20);
- ubi_msg("physical eraseblock size: %d bytes (%d KiB)",
- ubi->peb_size, ubi->peb_size >> 10);
- ubi_msg("logical eraseblock size: %d bytes", ubi->leb_size);
- ubi_msg("number of good PEBs: %d", ubi->good_peb_count);
- ubi_msg("number of bad PEBs: %d", ubi->bad_peb_count);
- ubi_msg("smallest flash I/O unit: %d", ubi->min_io_size);
- ubi_msg("VID header offset: %d (aligned %d)",
- ubi->vid_hdr_offset, ubi->vid_hdr_aloffset);
- ubi_msg("data offset: %d", ubi->leb_start);
- ubi_msg("max. allowed volumes: %d", ubi->vtbl_slots);
- ubi_msg("wear-leveling threshold: %d", CONFIG_MTD_UBI_WL_THRESHOLD);
- ubi_msg("number of internal volumes: %d", UBI_INT_VOL_COUNT);
- ubi_msg("number of user volumes: %d",
- ubi->vol_count - UBI_INT_VOL_COUNT);
- ubi_msg("available PEBs: %d", ubi->avail_pebs);
- ubi_msg("total number of reserved PEBs: %d", ubi->rsvd_pebs);
- ubi_msg("number of PEBs reserved for bad PEB handling: %d",
- ubi->beb_rsvd_pebs);
- ubi_msg("max/mean erase counter: %d/%d", ubi->max_ec, ubi->mean_ec);
-}
-
-static int ubi_info(int layout)
-{
- if (layout)
- display_volume_info(ubi);
- else
- display_ubi_info(ubi);
-
- return 0;
-}
-
-static int verify_mkvol_req(const struct ubi_device *ubi,
- const struct ubi_mkvol_req *req)
-{
- int n, err = -EINVAL;
-
- if (req->bytes < 0 || req->alignment < 0 || req->vol_type < 0 ||
- req->name_len < 0)
- goto bad;
-
- if ((req->vol_id < 0 || req->vol_id >= ubi->vtbl_slots) &&
- req->vol_id != UBI_VOL_NUM_AUTO)
- goto bad;
-
- if (req->alignment == 0)
- goto bad;
-
- if (req->bytes == 0)
- goto bad;
-
- if (req->vol_type != UBI_DYNAMIC_VOLUME &&
- req->vol_type != UBI_STATIC_VOLUME)
- goto bad;
-
- if (req->alignment > ubi->leb_size)
- goto bad;
-
- n = req->alignment % ubi->min_io_size;
- if (req->alignment != 1 && n)
- goto bad;
-
- if (req->name_len > UBI_VOL_NAME_MAX) {
- err = -ENAMETOOLONG;
- goto bad;
- }
-
- return 0;
-bad:
- printf("bad volume creation request");
- return err;
-}
-
-static int ubi_create_vol(char *volume, int size, int dynamic)
-{
- struct ubi_mkvol_req req;
- int err;
-
- if (dynamic)
- req.vol_type = UBI_DYNAMIC_VOLUME;
- else
- req.vol_type = UBI_STATIC_VOLUME;
-
- req.vol_id = UBI_VOL_NUM_AUTO;
- req.alignment = 1;
- req.bytes = size;
-
- strcpy(req.name, volume);
- req.name_len = strlen(volume);
- req.name[req.name_len] = '\0';
- req.padding1 = 0;
- /* It's duplicated at drivers/mtd/ubi/cdev.c */
- err = verify_mkvol_req(ubi, &req);
- if (err) {
- printf("verify_mkvol_req failed %d\n", err);
- return err;
- }
- printf("Creating %s volume %s of size %d\n",
- dynamic ? "dynamic" : "static", volume, size);
- /* Call real ubi create volume */
- return ubi_create_volume(ubi, &req);
-}
-
-static int ubi_remove_vol(char *volume)
-{
- int i, err, reserved_pebs;
- int found = 0, vol_id = 0;
- struct ubi_volume *vol = NULL;
-
- for (i = 0; i < ubi->vtbl_slots; i++) {
- vol = ubi->volumes[i];
- if (vol && !strcmp(vol->name, volume)) {
- printf("Volume %s found at valid %d\n", volume, i);
- vol_id = i;
- found = 1;
- break;
- }
- }
- if (!found) {
- printf("%s volume not found\n", volume);
- return -ENODEV;
- }
- printf("remove UBI volume %s (id %d)\n", vol->name, vol->vol_id);
-
- if (ubi->ro_mode) {
- printf("It's read-only mode\n");
- err = -EROFS;
- goto out_err;
- }
-
- err = ubi_change_vtbl_record(ubi, vol_id, NULL);
- if (err) {
- printf("Error changing Vol tabel record err=%x\n", err);
- goto out_err;
- }
- reserved_pebs = vol->reserved_pebs;
- for (i = 0; i < vol->reserved_pebs; i++) {
- err = ubi_eba_unmap_leb(ubi, vol, i);
- if (err)
- goto out_err;
- }
-
- kfree(vol->eba_tbl);
- ubi->volumes[vol_id]->eba_tbl = NULL;
- ubi->volumes[vol_id] = NULL;
-
- ubi->rsvd_pebs -= reserved_pebs;
- ubi->avail_pebs += reserved_pebs;
- i = ubi->beb_rsvd_level - ubi->beb_rsvd_pebs;
- if (i > 0) {
- i = ubi->avail_pebs >= i ? i : ubi->avail_pebs;
- ubi->avail_pebs -= i;
- ubi->rsvd_pebs += i;
- ubi->beb_rsvd_pebs += i;
- if (i > 0)
- ubi_msg("reserve more %d PEBs", i);
- }
- ubi->vol_count -= 1;
-
- return 0;
-out_err:
- ubi_err("cannot remove volume %d, error %d", vol_id, err);
- return err;
-}
-
-static int ubi_volume_write(char *volume, void *buf, size_t size)
-{
- int i = 0, err = -1;
- int rsvd_bytes = 0;
- int found = 0;
- struct ubi_volume *vol;
-
- for (i = 0; i < ubi->vtbl_slots; i++) {
- vol = ubi->volumes[i];
- if (vol && !strcmp(vol->name, volume)) {
- printf("Volume \"%s\" found at volume id %d\n", volume, i);
- found = 1;
- break;
- }
- }
- if (!found) {
- printf("%s volume not found\n", volume);
- return 1;
- }
- rsvd_bytes = vol->reserved_pebs * (ubi->leb_size - vol->data_pad);
- if (size < 0 || size > rsvd_bytes) {
- printf("rsvd_bytes=%d vol->reserved_pebs=%d ubi->leb_size=%d\n",
- rsvd_bytes, vol->reserved_pebs, ubi->leb_size);
- printf("vol->data_pad=%d\n", vol->data_pad);
- printf("Size > volume size !!\n");
- return 1;
- }
-
- err = ubi_start_update(ubi, vol, size);
- if (err < 0) {
- printf("Cannot start volume update\n");
- return err;
- }
-
- err = ubi_more_update_data(ubi, vol, buf, size);
- if (err < 0) {
- printf("Couldnt or partially wrote data \n");
- return err;
- }
-
- if (err) {
- size = err;
-
- err = ubi_check_volume(ubi, vol->vol_id);
- if ( err < 0 )
- return err;
-
- if (err) {
- ubi_warn("volume %d on UBI device %d is corrupted",
- vol->vol_id, ubi->ubi_num);
- vol->corrupted = 1;
- }
-
- vol->checked = 1;
- ubi_gluebi_updated(vol);
- }
-
- return 0;
-}
-
-static int ubi_volume_read(char *volume, char *buf, size_t size)
-{
- int err, lnum, off, len, tbuf_size, i = 0;
- size_t count_save = size;
- void *tbuf;
- unsigned long long tmp;
- struct ubi_volume *vol = NULL;
- loff_t offp = 0;
-
- for (i = 0; i < ubi->vtbl_slots; i++) {
- vol = ubi->volumes[i];
- if (vol && !strcmp(vol->name, volume)) {
- printf("Volume %s found at volume id %d\n",
- volume, vol->vol_id);
- break;
- }
- }
- if (i == ubi->vtbl_slots) {
- printf("%s volume not found\n", volume);
- return -ENODEV;
- }
-
- printf("read %i bytes from volume %d to %x(buf address)\n",
- (int) size, vol->vol_id, (unsigned)buf);
-
- if (vol->updating) {
- printf("updating");
- return -EBUSY;
- }
- if (vol->upd_marker) {
- printf("damaged volume, update marker is set");
- return -EBADF;
- }
- if (offp == vol->used_bytes)
- return 0;
-
- if (size == 0) {
- printf("Read [%lu] bytes\n", (unsigned long) vol->used_bytes);
- size = vol->used_bytes;
- }
-
- if (vol->corrupted)
- printf("read from corrupted volume %d", vol->vol_id);
- if (offp + size > vol->used_bytes)
- count_save = size = vol->used_bytes - offp;
-
- tbuf_size = vol->usable_leb_size;
- if (size < tbuf_size)
- tbuf_size = ALIGN(size, ubi->min_io_size);
- tbuf = malloc(tbuf_size);
- if (!tbuf) {
- printf("NO MEM\n");
- return -ENOMEM;
- }
- len = size > tbuf_size ? tbuf_size : size;
-
- tmp = offp;
- off = do_div(tmp, vol->usable_leb_size);
- lnum = tmp;
- do {
- if (off + len >= vol->usable_leb_size)
- len = vol->usable_leb_size - off;
-
- err = ubi_eba_read_leb(ubi, vol, lnum, tbuf, off, len, 0);
- if (err) {
- printf("read err %x\n", err);
- break;
- }
- off += len;
- if (off == vol->usable_leb_size) {
- lnum += 1;
- off -= vol->usable_leb_size;
- }
-
- size -= len;
- offp += len;
-
- memcpy(buf, tbuf, len);
-
- buf += len;
- len = size > tbuf_size ? tbuf_size : size;
- } while (size);
-
- free(tbuf);
- return err ? err : count_save - size;
-}
-
-static int ubi_dev_scan(struct mtd_info *info, char *ubidev,
- const char *vid_header_offset)
-{
- struct mtd_device *dev;
- struct part_info *part;
- struct mtd_partition mtd_part;
- char ubi_mtd_param_buffer[80];
- u8 pnum;
- int err;
-
- if (find_dev_and_part(ubidev, &dev, &pnum, &part) != 0)
- return 1;
-
- sprintf(buffer, "mtd=%d", pnum);
- memset(&mtd_part, 0, sizeof(mtd_part));
- mtd_part.name = buffer;
- mtd_part.size = part->size;
- mtd_part.offset = part->offset;
- add_mtd_partitions(info, &mtd_part, 1);
-
- strcpy(ubi_mtd_param_buffer, buffer);
- if (vid_header_offset)
- sprintf(ubi_mtd_param_buffer, "mtd=%d,%s", pnum,
- vid_header_offset);
- err = ubi_mtd_param_parse(ubi_mtd_param_buffer, NULL);
- if (err) {
- del_mtd_partitions(info);
- return err;
- }
-
- err = ubi_init();
- if (err) {
- del_mtd_partitions(info);
- return err;
- }
-
- ubi_initialized = 1;
-
- return 0;
-}
-
-static int do_ubi(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
-{
- size_t size = 0;
- ulong addr = 0;
- int err = 0;
-
- if (argc < 2)
- return cmd_usage(cmdtp);
-
- if (mtdparts_init() != 0) {
- printf("Error initializing mtdparts!\n");
- return 1;
- }
-
- if (strcmp(argv[1], "part") == 0) {
- char mtd_dev[16];
- struct mtd_device *dev;
- struct part_info *part;
- const char *vid_header_offset = NULL;
- u8 pnum;
-
- /* Print current partition */
- if (argc == 2) {
- if (!ubi_dev.selected) {
- printf("Error, no UBI device/partition selected!\n");
- return 1;
- }
-
- printf("Device %d: %s, partition %s\n",
- ubi_dev.nr, ubi_dev.mtd_info->name, ubi_dev.part_name);
- return 0;
- }
-
- if (argc < 3)
- return cmd_usage(cmdtp);
-
-#ifdef CONFIG_CMD_UBIFS
- /*
- * Automatically unmount UBIFS partition when user
- * changes the UBI device. Otherwise the following
- * UBIFS commands will crash.
- */
- if (ubifs_is_mounted())
- cmd_ubifs_umount();
-#endif
-
- /* todo: get dev number for NAND... */
- ubi_dev.nr = 0;
-
- /*
- * Call ubi_exit() before re-initializing the UBI subsystem
- */
- if (ubi_initialized) {
- ubi_exit();
- del_mtd_partitions(ubi_dev.mtd_info);
- }
-
- /*
- * Search the mtd device number where this partition
- * is located
- */
- if (find_dev_and_part(argv[2], &dev, &pnum, &part)) {
- printf("Partition %s not found!\n", argv[2]);
- return 1;
- }
- sprintf(mtd_dev, "%s%d", MTD_DEV_TYPE(dev->id->type), dev->id->num);
- ubi_dev.mtd_info = get_mtd_device_nm(mtd_dev);
- if (IS_ERR(ubi_dev.mtd_info)) {
- printf("Partition %s not found on device %s!\n", argv[2], mtd_dev);
- return 1;
- }
-
- ubi_dev.selected = 1;
-
- if (argc > 3)
- vid_header_offset = argv[3];
- strcpy(ubi_dev.part_name, argv[2]);
- err = ubi_dev_scan(ubi_dev.mtd_info, ubi_dev.part_name,
- vid_header_offset);
- if (err) {
- printf("UBI init error %d\n", err);
- ubi_dev.selected = 0;
- return err;
- }
-
- ubi = ubi_devices[0];
-
- return 0;
- }
-
- if ((strcmp(argv[1], "part") != 0) && (!ubi_dev.selected)) {
- printf("Error, no UBI device/partition selected!\n");
- return 1;
- }
-
- if (strcmp(argv[1], "info") == 0) {
- int layout = 0;
- if (argc > 2 && !strncmp(argv[2], "l", 1))
- layout = 1;
- return ubi_info(layout);
- }
-
- if (strncmp(argv[1], "create", 6) == 0) {
- int dynamic = 1; /* default: dynamic volume */
-
- /* Use maximum available size */
- size = 0;
-
- /* E.g., create volume size type */
- if (argc == 5) {
- if (strncmp(argv[4], "s", 1) == 0)
- dynamic = 0;
- else if (strncmp(argv[4], "d", 1) != 0) {
- printf("Incorrect type\n");
- return 1;
- }
- argc--;
- }
- /* E.g., create volume size */
- if (argc == 4) {
- size = simple_strtoul(argv[3], NULL, 16);
- argc--;
- }
- /* Use maximum available size */
- if (!size)
- size = ubi->avail_pebs * ubi->leb_size;
- /* E.g., create volume */
- if (argc == 3)
- return ubi_create_vol(argv[2], size, dynamic);
- }
-
- if (strncmp(argv[1], "remove", 6) == 0) {
- /* E.g., remove volume */
- if (argc == 3)
- return ubi_remove_vol(argv[2]);
- }
-
- if (strncmp(argv[1], "write", 5) == 0) {
- if (argc < 5) {
- printf("Please see usage\n");
- return 1;
- }
-
- addr = simple_strtoul(argv[2], NULL, 16);
- size = simple_strtoul(argv[4], NULL, 16);
-
- return ubi_volume_write(argv[3], (void *)addr, size);
- }
-
- if (strncmp(argv[1], "read", 4) == 0) {
- size = 0;
-
- /* E.g., read volume size */
- if (argc == 5) {
- size = simple_strtoul(argv[4], NULL, 16);
- argc--;
- }
-
- /* E.g., read volume */
- if (argc == 4) {
- addr = simple_strtoul(argv[2], NULL, 16);
- argc--;
- }
-
- if (argc == 3)
- return ubi_volume_read(argv[3], (char *)addr, size);
- }
-
- printf("Please see usage\n");
- return -1;
-}
-
-U_BOOT_CMD(
- ubi, 6, 1, do_ubi,
- "ubi commands",
- "part [part] [offset]\n"
- " - Show or set current partition (with optional VID"
- " header offset)\n"
- "ubi info [l[ayout]]"
- " - Display volume and ubi layout information\n"
- "ubi create[vol] volume [size] [type]"
- " - create volume name with size\n"
- "ubi write[vol] address volume size"
- " - Write volume from address with size\n"
- "ubi read[vol] address volume [size]"
- " - Read volume to address with size\n"
- "ubi remove[vol] volume"
- " - Remove volume\n"
- "[Legends]\n"
- " volume: character name\n"
- " size: specified in bytes\n"
- " type: s[tatic] or d[ynamic] (default=dynamic)"
-);