move MyLoader partition parser into generic files, will be used on ar71xx

SVN-Revision: 13256

1 files changed, 0 insertions, 178 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 60ebe22..0000000
--- a/target/linux/adm5120/files/drivers/mtd/myloader.c
+++ /dev/null
@@ -1,178 +0,0 @@
-/*
- *  Parse MyLoader-style flash partition tables and produce a Linux partition
- *  array to match.
- *
- *  Copyright (C) 2007-2008 Gabor Juhos <juhosg@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 <linux/myloader.h>
-
-#define BLOCK_LEN_MIN		0x10000
-#define PART_NAME_LEN		32
-
-struct part_data {
-	struct mylo_partition_table	tab;
-	char names[MYLO_MAX_PARTITIONS][PART_NAME_LEN];
-};
-
-int myloader_parse_partitions(struct mtd_info *master,
-			struct mtd_partition **pparts,
-			unsigned long origin)
-{
-	struct part_data *buf;
-	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;
-
-	buf = vmalloc(sizeof(*buf));
-	if (!buf) {
-		return -ENOMEM;
-		goto out;
-	}
-	tab = &buf->tab;
-
-	blocklen = master->erasesize;
-	if (blocklen < BLOCK_LEN_MIN)
-		blocklen = BLOCK_LEN_MIN;
-
-	offset = blocklen;
-
-	/* Find the partition table */
-	for (i = 0; i < 4; i++, offset += blocklen) {
-		printk(KERN_DEBUG "%s: searching for MyLoader partition table"
-				" at offset 0x%lx\n", master->name, offset);
-
-		ret = master->read(master, offset, sizeof(*buf), &retlen,
-					(void *)buf);
-		if (ret)
-			goto out_free_buf;
-
-		if (retlen != sizeof(*buf)) {
-			ret = -EIO;
-			goto out_free_buf;
-		}
-
-		/* Check for Partition Table magic number */
-		if (tab->magic == le32_to_cpu(MYLO_MAGIC_PARTITIONS))
-			break;
-
-	}
-
-	if (tab->magic != le32_to_cpu(MYLO_MAGIC_PARTITIONS)) {
-		printk(KERN_DEBUG "%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 * PART_NAME_LEN), GFP_KERNEL);
-
-	if (!mtd_parts) {
-		ret = -ENOMEM;
-		goto out_free_buf;
-	}
-
-	mtd_part = mtd_parts;
-	names = (char *)&mtd_parts[num_parts];
-
-	strncpy(names, "myloader", PART_NAME_LEN);
-	mtd_part->name = names;
-	mtd_part->offset = 0;
-	mtd_part->size = offset;
-	mtd_part->mask_flags = MTD_WRITEABLE;
-	mtd_part++;
-	names += PART_NAME_LEN;
-
-	strncpy(names, "partition_table", PART_NAME_LEN);
-	mtd_part->name = names;
-	mtd_part->offset = offset;
-	mtd_part->size = blocklen;
-	mtd_part->mask_flags = MTD_WRITEABLE;
-	mtd_part++;
-	names += PART_NAME_LEN;
-
-	for (i = 0; i < MYLO_MAX_PARTITIONS; i++) {
-		part = &tab->partitions[i];
-
-		if (le16_to_cpu(part->type) == PARTITION_TYPE_FREE)
-			continue;
-
-		if (buf->names[i][0])
-			strncpy(names, buf->names[i], PART_NAME_LEN);
-		else
-			snprintf(names, PART_NAME_LEN, "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 += PART_NAME_LEN;
-	}
-
-	*pparts = mtd_parts;
-	ret = num_parts;
-
- out_free_buf:
-	vfree(buf);
- out:
-	return ret;
-}
-
-static struct mtd_part_parser myloader_mtd_parser = {
-	.owner		= THIS_MODULE,
-	.parse_fn	= myloader_parse_partitions,
-	.name		= "MyLoader",
-};
-
-static int __init myloader_mtd_parser_init(void)
-{
-	return register_mtd_parser(&myloader_mtd_parser);
-}
-
-static void __exit myloader_mtd_parser_exit(void)
-{
-	deregister_mtd_parser(&myloader_mtd_parser);
-}
-
-module_init(myloader_mtd_parser_init);
-module_exit(myloader_mtd_parser_exit);
-
-MODULE_AUTHOR("Gabor Juhos <juhosg@openwrt.org>");
-MODULE_DESCRIPTION("Parsing code for MyLoader partition tables");
-MODULE_LICENSE("GPL v2");