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Revert "ar71xx: Add support for Teltonika RUT900"

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This reverts commit 224e5f5efa.

pepe2k pointed out that this was not ready to merge

Signed-off-by: John Crispin <john@phrozen.org>
This commit is contained in:
John Crispin
2017-05-18 15:31:26 +02:00
parent eee09bfe01
commit bad2f9c4dc
11 changed files with 1 additions and 525 deletions
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206
target/linux/ar71xx/files/drivers/mtd/tltpart.c
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@@ -1,206 +0,0 @@
/*
* Copyright (C) 2011 Gabor Juhos <juhosg@openwrt.org>
*
* 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/module.h>
#include <linux/slab.h>
#include <linux/vmalloc.h>
#include <linux/magic.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#define TLT_NUM_PARTS 7
#define TLT_HEADER_V1 0x01000000
#define MD5SUM_LEN 16
#define TLT_UBOOT_LEN 0x20000
#define TLT_CONFIG_LEN 0x10000
#define TLT_ART_LEN 0x10000
#define EVENTLOG_LEN 0x90000
struct tlt_fw_header {
uint32_t version; /* header version */
char vendor_name[24];
char fw_version[36];
uint32_t hw_id; /* hardware id */
uint32_t hw_rev; /* hardware revision */
uint32_t unk1;
uint8_t md5sum1[MD5SUM_LEN];
uint32_t unk2;
uint8_t md5sum2[MD5SUM_LEN];
uint32_t unk3;
uint32_t kernel_la; /* kernel load address */
uint32_t kernel_ep; /* kernel entry point */
uint32_t fw_length; /* total length of the firmware */
uint32_t kernel_ofs; /* kernel data offset */
uint32_t kernel_len; /* kernel data length */
uint32_t rootfs_ofs; /* rootfs data offset */
uint32_t rootfs_len; /* rootfs data length */
uint32_t boot_ofs; /* bootloader data offset */
uint32_t boot_len; /* bootloader data length */
uint8_t pad[360];
} __attribute__ ((packed));
static struct tlt_fw_header *
tlt_read_header(struct mtd_info *mtd, size_t offset)
{
struct tlt_fw_header *header;
size_t header_len;
size_t retlen;
int ret;
u32 t;
header = vmalloc(sizeof(*header));
if (!header)
goto err;
header_len = sizeof(struct tlt_fw_header);
ret = mtd_read(mtd, offset, header_len, &retlen,
(unsigned char *) header);
if (ret)
goto err_free_header;
if (retlen != header_len)
goto err_free_header;
/* sanity checks */
t = be32_to_cpu(header->version);
if (t != TLT_HEADER_V1)
goto err_free_header;
t = be32_to_cpu(header->kernel_ofs);
if (t != header_len)
goto err_free_header;
return header;
err_free_header:
vfree(header);
err:
return NULL;
}
static int tlt_check_rootfs_magic(struct mtd_info *mtd, size_t offset)
{
u32 magic;
size_t retlen;
int ret;
ret = mtd_read(mtd, offset, sizeof(magic), &retlen,
(unsigned char *) &magic);
if (ret)
return ret;
if (retlen != sizeof(magic))
return -EIO;
if (le32_to_cpu(magic) != SQUASHFS_MAGIC &&
magic != 0x19852003)
return -EINVAL;
return 0;
}
static int tlt_parse_partitions(struct mtd_info *master,
struct mtd_partition **pparts,
struct mtd_part_parser_data *data)
{
struct mtd_partition *parts;
struct tlt_fw_header *header;
int nr_parts;
size_t kernel_offset;
size_t rootfs_offset;
size_t squashfs_offset;
int ret;
nr_parts = TLT_NUM_PARTS;
parts = kzalloc(nr_parts * sizeof(struct mtd_partition), GFP_KERNEL);
if (!parts) {
ret = -ENOMEM;
goto err;
}
kernel_offset = TLT_UBOOT_LEN + TLT_CONFIG_LEN + TLT_ART_LEN;
header = tlt_read_header(master, kernel_offset);
if (!header) {
pr_notice("%s: no TP-Link header found\n", master->name);
ret = -ENODEV;
goto err_free_parts;
}
squashfs_offset = kernel_offset + sizeof(struct tlt_fw_header) +
be32_to_cpu(header->kernel_len);
ret = tlt_check_rootfs_magic(master, squashfs_offset);
if (ret == 0)
rootfs_offset = squashfs_offset;
else
rootfs_offset = kernel_offset + be32_to_cpu(header->rootfs_ofs);
vfree(header);
parts[0].name = "u-boot";
parts[0].offset = 0;
parts[0].size = TLT_UBOOT_LEN;
parts[0].mask_flags = MTD_WRITEABLE;
parts[1].name = "config";
parts[1].offset = TLT_UBOOT_LEN;
parts[1].size = TLT_CONFIG_LEN;
parts[2].name = "art";
parts[2].offset = TLT_UBOOT_LEN + TLT_CONFIG_LEN;
parts[2].size = TLT_ART_LEN;
parts[2].mask_flags = MTD_WRITEABLE;
parts[3].name = "kernel";
parts[3].offset = kernel_offset;
parts[3].size = rootfs_offset - kernel_offset;
parts[4].name = "rootfs";
parts[4].offset = rootfs_offset;
parts[4].size = master->size - rootfs_offset - EVENTLOG_LEN;
parts[5].name = "firmware";
parts[5].offset = kernel_offset;
parts[5].size = master->size - kernel_offset - EVENTLOG_LEN;
parts[6].name = "event-log";
parts[6].offset = master->size - EVENTLOG_LEN;
parts[6].size = EVENTLOG_LEN;
*pparts = parts;
return nr_parts;
err_free_parts:
kfree(parts);
err:
*pparts = NULL;
return ret;
}
static struct mtd_part_parser tlt_parser = {
.owner = THIS_MODULE,
.parse_fn = tlt_parse_partitions,
.name = "tlt",
};
static int __init tlt_parser_init(void)
{
register_mtd_parser(&tlt_parser);
return 0;
}
module_init(tlt_parser_init);
MODULE_LICENSE("GPL v2");
MODULE_AUTHOR("Gabor Juhos <juhosg@openwrt.org>");