diff options
author | juhosg <juhosg@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2008-11-17 10:14:58 +0000 |
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committer | juhosg <juhosg@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2008-11-17 10:14:58 +0000 |
commit | 28e6c72f660259b28987dd2e1bebec90a4336acd (patch) | |
tree | 32a94e72d57ec5ab42f5c8b58b9e8cf3949f538b /target/linux/adm5120 | |
parent | d269f2c3e1cb73be3134feeeaa1595a4efd52053 (diff) |
[adm5120] move MyLoader partition parser into generic files, will be used on ar71xx
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@13256 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/adm5120')
3 files changed, 0 insertions, 248 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 60ebe2205..000000000 --- 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"); diff --git a/target/linux/adm5120/patches-2.6.26/100-mtd_myloder_partition_parser.patch b/target/linux/adm5120/patches-2.6.26/100-mtd_myloder_partition_parser.patch deleted file mode 100644 index 17cd986ae..000000000 --- a/target/linux/adm5120/patches-2.6.26/100-mtd_myloder_partition_parser.patch +++ /dev/null @@ -1,35 +0,0 @@ ---- a/drivers/mtd/Kconfig -+++ b/drivers/mtd/Kconfig -@@ -174,6 +174,22 @@ config MTD_AR7_PARTS - ---help--- - TI AR7 partitioning support - -+config MTD_MYLOADER_PARTS -+ tristate "MyLoader partition parsing" -+ depends on ADM5120 && MTD_PARTITIONS -+ ---help--- -+ MyLoader is a bootloader which allows the user to define partitions -+ in flash devices, by putting a table in the second erase block -+ on the device, similar to a partition table. This table gives the -+ offsets and lengths of the user defined partitions. -+ -+ If you need code which can detect and parse these tables, and -+ register MTD 'partitions' corresponding to each image detected, -+ enable this option. -+ -+ You will still need the parsing functions to be called by the driver -+ for your particular device. It won't happen automatically. -+ - comment "User Modules And Translation Layers" - - config MTD_CHAR ---- a/drivers/mtd/Makefile -+++ b/drivers/mtd/Makefile -@@ -13,6 +13,7 @@ obj-$(CONFIG_MTD_CMDLINE_PARTS) += cmdli - obj-$(CONFIG_MTD_AFS_PARTS) += afs.o - obj-$(CONFIG_MTD_AR7_PARTS) += ar7part.o - obj-$(CONFIG_MTD_OF_PARTS) += ofpart.o -+obj-$(CONFIG_MTD_MYLOADER_PARTS) += myloader.o - - # 'Users' - code which presents functionality to userspace. - obj-$(CONFIG_MTD_CHAR) += mtdchar.o diff --git a/target/linux/adm5120/patches-2.6.27/100-mtd_myloder_partition_parser.patch b/target/linux/adm5120/patches-2.6.27/100-mtd_myloder_partition_parser.patch deleted file mode 100644 index 90e221958..000000000 --- a/target/linux/adm5120/patches-2.6.27/100-mtd_myloder_partition_parser.patch +++ /dev/null @@ -1,35 +0,0 @@ ---- a/drivers/mtd/Kconfig -+++ b/drivers/mtd/Kconfig -@@ -172,6 +172,22 @@ config MTD_AR7_PARTS - ---help--- - TI AR7 partitioning support - -+config MTD_MYLOADER_PARTS -+ tristate "MyLoader partition parsing" -+ depends on ADM5120 && MTD_PARTITIONS -+ ---help--- -+ MyLoader is a bootloader which allows the user to define partitions -+ in flash devices, by putting a table in the second erase block -+ on the device, similar to a partition table. This table gives the -+ offsets and lengths of the user defined partitions. -+ -+ If you need code which can detect and parse these tables, and -+ register MTD 'partitions' corresponding to each image detected, -+ enable this option. -+ -+ You will still need the parsing functions to be called by the driver -+ for your particular device. It won't happen automatically. -+ - comment "User Modules And Translation Layers" - - config MTD_CHAR ---- a/drivers/mtd/Makefile -+++ b/drivers/mtd/Makefile -@@ -13,6 +13,7 @@ obj-$(CONFIG_MTD_CMDLINE_PARTS) += cmdli - obj-$(CONFIG_MTD_AFS_PARTS) += afs.o - obj-$(CONFIG_MTD_AR7_PARTS) += ar7part.o - obj-$(CONFIG_MTD_OF_PARTS) += ofpart.o -+obj-$(CONFIG_MTD_MYLOADER_PARTS) += myloader.o - - # 'Users' - code which presents functionality to userspace. - obj-$(CONFIG_MTD_CHAR) += mtdchar.o |