diff options
Diffstat (limited to 'target/linux/ar71xx/files/drivers/mtd/.svn')
5 files changed, 511 insertions, 0 deletions
diff --git a/target/linux/ar71xx/files/drivers/mtd/.svn/entries b/target/linux/ar71xx/files/drivers/mtd/.svn/entries new file mode 100644 index 0000000..1967249 --- /dev/null +++ b/target/linux/ar71xx/files/drivers/mtd/.svn/entries @@ -0,0 +1,99 @@ +10 + +dir +36060 +svn://svn.openwrt.org/openwrt/trunk/target/linux/ar71xx/files/drivers/mtd +svn://svn.openwrt.org/openwrt + + + +2013-02-19T20:52:06.572781Z +35687 +juhosg + + + + + + + + + + + + + + +3c298f89-4303-0410-b956-a3cf2f4a3e73 + +nand +dir + +wrt160nl_part.c +file + + + + +2013-03-17T12:12:46.000000Z +c83875186f6a64e4128e0a43cc5c22f6 +2012-10-27T07:57:58.648888Z +33951 +juhosg +has-props + + + + + + + + + + + + + + + + + + + + +5639 + +tplinkpart.c +file + + + + +2013-03-17T12:12:46.000000Z +b89ed2cbaa61cc007341326ef1b84075 +2012-10-27T07:57:57.461313Z +33950 +juhosg +has-props + + + + + + + + + + + + + + + + + + + + +4481 + diff --git a/target/linux/ar71xx/files/drivers/mtd/.svn/prop-base/tplinkpart.c.svn-base b/target/linux/ar71xx/files/drivers/mtd/.svn/prop-base/tplinkpart.c.svn-base new file mode 100644 index 0000000..bdbd305 --- /dev/null +++ b/target/linux/ar71xx/files/drivers/mtd/.svn/prop-base/tplinkpart.c.svn-base @@ -0,0 +1,5 @@ +K 13 +svn:eol-style +V 6 +native +END diff --git a/target/linux/ar71xx/files/drivers/mtd/.svn/prop-base/wrt160nl_part.c.svn-base b/target/linux/ar71xx/files/drivers/mtd/.svn/prop-base/wrt160nl_part.c.svn-base new file mode 100644 index 0000000..bdbd305 --- /dev/null +++ b/target/linux/ar71xx/files/drivers/mtd/.svn/prop-base/wrt160nl_part.c.svn-base @@ -0,0 +1,5 @@ +K 13 +svn:eol-style +V 6 +native +END diff --git a/target/linux/ar71xx/files/drivers/mtd/.svn/text-base/tplinkpart.c.svn-base b/target/linux/ar71xx/files/drivers/mtd/.svn/text-base/tplinkpart.c.svn-base new file mode 100644 index 0000000..cabb960 --- /dev/null +++ b/target/linux/ar71xx/files/drivers/mtd/.svn/text-base/tplinkpart.c.svn-base @@ -0,0 +1,197 @@ +/* + * 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 TPLINK_NUM_PARTS 5 +#define TPLINK_HEADER_V1 0x01000000 +#define MD5SUM_LEN 16 + +#define TPLINK_ART_LEN 0x10000 +#define TPLINK_KERNEL_OFFS 0x20000 + +struct tplink_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 tplink_fw_header * +tplink_read_header(struct mtd_info *mtd, size_t offset) +{ + struct tplink_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 tplink_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 != TPLINK_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 tplink_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 tplink_parse_partitions(struct mtd_info *master, + struct mtd_partition **pparts, + struct mtd_part_parser_data *data) +{ + struct mtd_partition *parts; + struct tplink_fw_header *header; + int nr_parts; + size_t offset; + size_t art_offset; + size_t rootfs_offset; + size_t squashfs_offset; + int ret; + + nr_parts = TPLINK_NUM_PARTS; + parts = kzalloc(nr_parts * sizeof(struct mtd_partition), GFP_KERNEL); + if (!parts) { + ret = -ENOMEM; + goto err; + } + + offset = TPLINK_KERNEL_OFFS; + + header = tplink_read_header(master, offset); + if (!header) { + pr_notice("%s: no TP-Link header found\n", master->name); + ret = -ENODEV; + goto err_free_parts; + } + + squashfs_offset = offset + sizeof(struct tplink_fw_header) + + be32_to_cpu(header->kernel_len); + + ret = tplink_check_rootfs_magic(master, squashfs_offset); + if (ret == 0) + rootfs_offset = squashfs_offset; + else + rootfs_offset = offset + be32_to_cpu(header->rootfs_ofs); + + art_offset = master->size - TPLINK_ART_LEN; + + parts[0].name = "u-boot"; + parts[0].offset = 0; + parts[0].size = offset; + parts[0].mask_flags = MTD_WRITEABLE; + + parts[1].name = "kernel"; + parts[1].offset = offset; + parts[1].size = rootfs_offset - offset; + + parts[2].name = "rootfs"; + parts[2].offset = rootfs_offset; + parts[2].size = art_offset - rootfs_offset; + + parts[3].name = "art"; + parts[3].offset = art_offset; + parts[3].size = TPLINK_ART_LEN; + parts[3].mask_flags = MTD_WRITEABLE; + + parts[4].name = "firmware"; + parts[4].offset = offset; + parts[4].size = art_offset - offset; + + vfree(header); + + *pparts = parts; + return nr_parts; + +err_free_parts: + kfree(parts); +err: + *pparts = NULL; + return ret; +} + +static struct mtd_part_parser tplink_parser = { + .owner = THIS_MODULE, + .parse_fn = tplink_parse_partitions, + .name = "tp-link", +}; + +static int __init tplink_parser_init(void) +{ + return register_mtd_parser(&tplink_parser); +} + +module_init(tplink_parser_init); + +MODULE_LICENSE("GPL v2"); +MODULE_AUTHOR("Gabor Juhos <juhosg@openwrt.org>"); diff --git a/target/linux/ar71xx/files/drivers/mtd/.svn/text-base/wrt160nl_part.c.svn-base b/target/linux/ar71xx/files/drivers/mtd/.svn/text-base/wrt160nl_part.c.svn-base new file mode 100644 index 0000000..1ced8ac --- /dev/null +++ b/target/linux/ar71xx/files/drivers/mtd/.svn/text-base/wrt160nl_part.c.svn-base @@ -0,0 +1,205 @@ +/* + * 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@openwrt.org> + * + */ + +#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> + +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 wrt160nl_header { + struct cybertan_header cybertan; + struct trx_header trx; + struct uimage_header uimage; +} __attribute__ ((packed)); + +#define WRT160NL_UBOOT_LEN 0x40000 +#define WRT160NL_ART_LEN 0x10000 +#define WRT160NL_NVRAM_LEN 0x10000 + +static int wrt160nl_parse_partitions(struct mtd_info *master, + struct mtd_partition **pparts, + struct mtd_part_parser_data *data) +{ + struct wrt160nl_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, WRT160NL_UBOOT_LEN); + nvram_len = max_t(unsigned int, master->erasesize, WRT160NL_NVRAM_LEN); + art_len = max_t(unsigned int, master->erasesize, WRT160NL_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; + } + + if (strncmp(header->cybertan.magic, "NL16", 4) != 0) { + printk(KERN_NOTICE "%s: no WRT160NL signature found\n", + master->name); + 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 wrt160nl_parser = { + .owner = THIS_MODULE, + .parse_fn = wrt160nl_parse_partitions, + .name = "wrt160nl", +}; + +static int __init wrt160nl_parser_init(void) +{ + return register_mtd_parser(&wrt160nl_parser); +} + +module_init(wrt160nl_parser_init); + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Christian Daniel <cd@maintech.de>"); |