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Diffstat (limited to 'target/linux/adm5120/files/drivers/mtd/myloader.c')
-rw-r--r--target/linux/adm5120/files/drivers/mtd/myloader.c167
1 files changed, 0 insertions, 167 deletions
diff --git a/target/linux/adm5120/files/drivers/mtd/myloader.c b/target/linux/adm5120/files/drivers/mtd/myloader.c
deleted file mode 100644
index 9dab9d1..0000000
--- a/target/linux/adm5120/files/drivers/mtd/myloader.c
+++ /dev/null
@@ -1,167 +0,0 @@
-/*
- * $Id$
- *
- * Parse MyLoader-style flash partition tables and produce a Linux partition
- * array to match.
- *
- * Copyright (C) 2007 OpenWrt.org
- * Copyright (C) 2007 Gabor Juhos <juhosg at openwrt.org>
- *
- * This file was based on drivers/mtd/redboot.c
- * Author: Red Hat, Inc. - David Woodhouse <dwmw2@cambridge.redhat.com>
- *
- * 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 <linux/kernel.h>
-#include <linux/slab.h>
-#include <linux/init.h>
-#include <linux/vmalloc.h>
-
-#include <linux/mtd/mtd.h>
-#include <linux/mtd/partitions.h>
-
-#include <linux/byteorder/generic.h>
-
-#include <prom/myloader.h>
-
-#define NAME_LEN_MAX 20
-#define NAME_MYLOADER "MyLoader"
-#define NAME_PARTITION_TABLE "Partition Table"
-#define BLOCK_LEN_MIN 0x10000
-
-int parse_myloader_partitions(struct mtd_info *master,
- struct mtd_partition **pparts,
- unsigned long origin)
-{
- struct mylo_partition_table *tab;
- struct mylo_partition *part;
- struct mtd_partition *mtd_parts;
- struct mtd_partition *mtd_part;
- int num_parts;
- int ret, i;
- size_t retlen;
- char *names;
- unsigned long offset;
- unsigned long blocklen;
-
- tab = vmalloc(sizeof(*tab));
- if (!tab) {
- return -ENOMEM;
- goto out;
- }
-
- blocklen = master->erasesize;
- if (blocklen < BLOCK_LEN_MIN)
- blocklen = BLOCK_LEN_MIN;
-
- /* Partition Table is always located on the second erase block */
- offset = blocklen;
- printk(KERN_NOTICE "%s: searching for MyLoader partition table at "
- "offset 0x%lx\n", master->name, offset);
-
- ret = master->read(master, offset, sizeof(*tab), &retlen, (void *)tab);
- if (ret)
- goto out;
-
- if (retlen != sizeof(*tab)) {
- ret = -EIO;
- goto out_free_buf;
- }
-
- /* Check for Partition Table magic number */
- if (tab->magic != le32_to_cpu(MYLO_MAGIC_PARTITIONS)) {
- printk(KERN_NOTICE "%s: no MyLoader partition table found\n",
- master->name);
- ret = 0;
- goto out_free_buf;
- }
-
- /* The MyLoader and the Partition Table is always present */
- num_parts = 2;
-
- /* Detect number of used partitions */
- for (i = 0; i < MYLO_MAX_PARTITIONS; i++) {
- part = &tab->partitions[i];
-
- if (le16_to_cpu(part->type) == PARTITION_TYPE_FREE)
- continue;
-
- num_parts++;
- }
-
- mtd_parts = kzalloc((num_parts * sizeof(*mtd_part) +
- num_parts * NAME_LEN_MAX), GFP_KERNEL);
-
- if (!mtd_parts) {
- ret = -ENOMEM;
- goto out_free_buf;
- }
-
- mtd_part = mtd_parts;
- names = (char *)&mtd_parts[num_parts];
-
- strncpy(names, NAME_MYLOADER, NAME_LEN_MAX-1);
- mtd_part->name = names;
- mtd_part->offset = 0;
- mtd_part->size = blocklen;
- mtd_part->mask_flags = MTD_WRITEABLE;
- mtd_part++;
- names += NAME_LEN_MAX;
-
- strncpy(names, NAME_PARTITION_TABLE, NAME_LEN_MAX-1);
- mtd_part->name = names;
- mtd_part->offset = blocklen;
- mtd_part->size = blocklen;
- mtd_part->mask_flags = MTD_WRITEABLE;
- mtd_part++;
- names += NAME_LEN_MAX;
-
- for (i = 0; i < MYLO_MAX_PARTITIONS; i++) {
- part = &tab->partitions[i];
-
- if (le16_to_cpu(part->type) == PARTITION_TYPE_FREE)
- continue;
-
- sprintf(names, "partition%d", i);
- mtd_part->offset = le32_to_cpu(part->addr);
- mtd_part->size = le32_to_cpu(part->size);
- mtd_part->name = names;
- mtd_part++;
- names += NAME_LEN_MAX;
- }
-
- *pparts = mtd_parts;
- ret = num_parts;
-
-out_free_buf:
- vfree(tab);
-out:
- return ret;
-}
-
-static struct mtd_part_parser mylo_mtd_parser = {
- .owner = THIS_MODULE,
- .parse_fn = parse_myloader_partitions,
- .name = NAME_MYLOADER,
-};
-
-static int __init mylo_mtd_parser_init(void)
-{
- return register_mtd_parser(&mylo_mtd_parser);
-}
-
-static void __exit mylo_mtd_parser_exit(void)
-{
- deregister_mtd_parser(&mylo_mtd_parser);
-}
-
-module_init(mylo_mtd_parser_init);
-module_exit(mylo_mtd_parser_exit);
-
-MODULE_AUTHOR("Gabor Juhos <juhosg at openwrt.org>");
-MODULE_DESCRIPTION("Parsing code for MyLoader partition tables");
-MODULE_LICENSE("GPL v2");