diff options
Diffstat (limited to 'target/linux/ar71xx/files/drivers/mtd/cybertan_part.c')
| -rw-r--r-- | target/linux/ar71xx/files/drivers/mtd/cybertan_part.c | 206 |
1 files changed, 0 insertions, 206 deletions
diff --git a/target/linux/ar71xx/files/drivers/mtd/cybertan_part.c b/target/linux/ar71xx/files/drivers/mtd/cybertan_part.c deleted file mode 100644 index 4d33c19b7e..0000000000 --- a/target/linux/ar71xx/files/drivers/mtd/cybertan_part.c +++ /dev/null @@ -1,206 +0,0 @@ -/* - * Copyright (C) 2009 Christian Daniel <cd@maintech.de> - * Copyright (C) 2009 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 as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - * - * TRX flash partition table. - * Based on ar7 map by Felix Fietkau <nbd@nbd.name> - * - */ - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/slab.h> -#include <linux/vmalloc.h> - -#include <linux/mtd/mtd.h> -#include <linux/mtd/partitions.h> -#include <linux/version.h> - -struct cybertan_header { - char magic[4]; - u8 res1[4]; - char fw_date[3]; - char fw_ver[3]; - char id[4]; - char hw_ver; - char unused; - u8 flags[2]; - u8 res2[10]; -}; - -#define TRX_PARTS 6 -#define TRX_MAGIC 0x30524448 -#define TRX_MAX_OFFSET 3 - -struct trx_header { - uint32_t magic; /* "HDR0" */ - uint32_t len; /* Length of file including header */ - uint32_t crc32; /* 32-bit CRC from flag_version to end of file */ - uint32_t flag_version; /* 0:15 flags, 16:31 version */ - uint32_t offsets[TRX_MAX_OFFSET]; /* Offsets of partitions from start of header */ -}; - -#define IH_MAGIC 0x27051956 /* Image Magic Number */ -#define IH_NMLEN 32 /* Image Name Length */ - -struct uimage_header { - uint32_t ih_magic; /* Image Header Magic Number */ - uint32_t ih_hcrc; /* Image Header CRC Checksum */ - uint32_t ih_time; /* Image Creation Timestamp */ - uint32_t ih_size; /* Image Data Size */ - uint32_t ih_load; /* Data» Load Address */ - uint32_t ih_ep; /* Entry Point Address */ - uint32_t ih_dcrc; /* Image Data CRC Checksum */ - uint8_t ih_os; /* Operating System */ - uint8_t ih_arch; /* CPU architecture */ - uint8_t ih_type; /* Image Type */ - uint8_t ih_comp; /* Compression Type */ - uint8_t ih_name[IH_NMLEN]; /* Image Name */ -}; - -struct firmware_header { - struct cybertan_header cybertan; - struct trx_header trx; - struct uimage_header uimage; -} __packed; - -#define UBOOT_LEN 0x40000 -#define ART_LEN 0x10000 -#define NVRAM_LEN 0x10000 - -static int cybertan_parse_partitions(struct mtd_info *master, -#if LINUX_VERSION_CODE < KERNEL_VERSION(4,5,0) - struct mtd_partition **pparts, -#else - const struct mtd_partition **pparts, -#endif - struct mtd_part_parser_data *data) -{ - struct firmware_header *header; - struct trx_header *theader; - struct uimage_header *uheader; - struct mtd_partition *trx_parts; - size_t retlen; - unsigned int kernel_len; - unsigned int uboot_len; - unsigned int nvram_len; - unsigned int art_len; - int ret; - - uboot_len = max_t(unsigned int, master->erasesize, UBOOT_LEN); - nvram_len = max_t(unsigned int, master->erasesize, NVRAM_LEN); - art_len = max_t(unsigned int, master->erasesize, ART_LEN); - - trx_parts = kzalloc(TRX_PARTS * sizeof(struct mtd_partition), - GFP_KERNEL); - if (!trx_parts) { - ret = -ENOMEM; - goto out; - } - - header = vmalloc(sizeof(*header)); - if (!header) { - return -ENOMEM; - goto free_parts; - } - - ret = mtd_read(master, uboot_len, sizeof(*header), - &retlen, (void *) header); - if (ret) - goto free_hdr; - - if (retlen != sizeof(*header)) { - ret = -EIO; - goto free_hdr; - } - - theader = &header->trx; - if (le32_to_cpu(theader->magic) != TRX_MAGIC) { - printk(KERN_NOTICE "%s: no TRX header found\n", master->name); - goto free_hdr; - } - - uheader = &header->uimage; - if (uheader->ih_magic != IH_MAGIC) { - printk(KERN_NOTICE "%s: no uImage found\n", master->name); - goto free_hdr; - } - - kernel_len = le32_to_cpu(theader->offsets[1]) + - sizeof(struct cybertan_header); - - trx_parts[0].name = "u-boot"; - trx_parts[0].offset = 0; - trx_parts[0].size = uboot_len; - trx_parts[0].mask_flags = MTD_WRITEABLE; - - trx_parts[1].name = "kernel"; - trx_parts[1].offset = trx_parts[0].offset + trx_parts[0].size; - trx_parts[1].size = kernel_len; - trx_parts[1].mask_flags = 0; - - trx_parts[2].name = "rootfs"; - trx_parts[2].offset = trx_parts[1].offset + trx_parts[1].size; - trx_parts[2].size = master->size - uboot_len - nvram_len - art_len - - trx_parts[1].size; - trx_parts[2].mask_flags = 0; - - trx_parts[3].name = "nvram"; - trx_parts[3].offset = master->size - nvram_len - art_len; - trx_parts[3].size = nvram_len; - trx_parts[3].mask_flags = MTD_WRITEABLE; - - trx_parts[4].name = "art"; - trx_parts[4].offset = master->size - art_len; - trx_parts[4].size = art_len; - trx_parts[4].mask_flags = MTD_WRITEABLE; - - trx_parts[5].name = "firmware"; - trx_parts[5].offset = uboot_len; - trx_parts[5].size = master->size - uboot_len - nvram_len - art_len; - trx_parts[5].mask_flags = 0; - - vfree(header); - - *pparts = trx_parts; - return TRX_PARTS; - -free_hdr: - vfree(header); -free_parts: - kfree(trx_parts); -out: - return ret; -} - -static struct mtd_part_parser cybertan_parser = { - .owner = THIS_MODULE, - .parse_fn = cybertan_parse_partitions, - .name = "cybertan", -}; - -static int __init cybertan_parser_init(void) -{ - register_mtd_parser(&cybertan_parser); - - return 0; -} - -module_init(cybertan_parser_init); - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Christian Daniel <cd@maintech.de>"); |