diff options
Diffstat (limited to 'target/linux/ar71xx/patches-2.6.28/109-mtd-wrt160nl-trx-parser.patch')
| -rw-r--r-- | target/linux/ar71xx/patches-2.6.28/109-mtd-wrt160nl-trx-parser.patch | 194 |
1 files changed, 194 insertions, 0 deletions
diff --git a/target/linux/ar71xx/patches-2.6.28/109-mtd-wrt160nl-trx-parser.patch b/target/linux/ar71xx/patches-2.6.28/109-mtd-wrt160nl-trx-parser.patch new file mode 100644 index 0000000..74aabc1 --- /dev/null +++ b/target/linux/ar71xx/patches-2.6.28/109-mtd-wrt160nl-trx-parser.patch @@ -0,0 +1,194 @@ +diff -ur linux-2.6.28.10-orig/drivers/mtd/devices/m25p80.c linux-2.6.28.10/drivers/mtd/devices/m25p80.c +--- linux-2.6.28.10-orig/drivers/mtd/devices/m25p80.c 2009-07-19 10:36:42.000000000 +0200 ++++ linux-2.6.28.10/drivers/mtd/devices/m25p80.c 2009-07-22 21:49:21.204685685 +0200 +@@ -735,6 +735,9 @@ + #ifdef CONFIG_MTD_REDBOOT_PARTS + "RedBoot", + #endif ++#ifdef CONFIG_MTD_TRX_PARTS ++ "trxpart", ++#endif + NULL, }; + + nr_parts = parse_mtd_partitions(&flash->mtd, +diff -ur linux-2.6.28.10-orig/drivers/mtd/Kconfig linux-2.6.28.10/drivers/mtd/Kconfig +--- linux-2.6.28.10-orig/drivers/mtd/Kconfig 2009-07-19 10:36:39.000000000 +0200 ++++ linux-2.6.28.10/drivers/mtd/Kconfig 2009-07-22 21:20:42.929604980 +0200 +@@ -172,6 +172,12 @@ + ---help--- + TI AR7 partitioning support + ++config MTD_TRX_PARTS ++ tristate "CyberTAN TRX partitioning support" ++ depends on MTD_PARTITIONS ++ ---help--- ++ CyberTAN TRX paritions support ++ + config MTD_MYLOADER_PARTS + tristate "MyLoader partition parsing" + depends on MTD_PARTITIONS && (ADM5120 || ATHEROS || ATHEROS_AR71XX) +diff -ur linux-2.6.28.10-orig/drivers/mtd/Makefile linux-2.6.28.10/drivers/mtd/Makefile +--- linux-2.6.28.10-orig/drivers/mtd/Makefile 2009-07-19 10:36:39.000000000 +0200 ++++ linux-2.6.28.10/drivers/mtd/Makefile 2009-07-22 21:21:30.582601042 +0200 +@@ -12,6 +12,7 @@ + obj-$(CONFIG_MTD_CMDLINE_PARTS) += cmdlinepart.o + obj-$(CONFIG_MTD_AFS_PARTS) += afs.o + obj-$(CONFIG_MTD_AR7_PARTS) += ar7part.o ++obj-$(CONFIG_MTD_TRX_PARTS) += trxpart.o + obj-$(CONFIG_MTD_OF_PARTS) += ofpart.o + obj-$(CONFIG_MTD_MYLOADER_PARTS) += myloader.o + +diff -urN linux-2.6.28.10-orig/drivers/mtd/trxpart.c linux-2.6.28.10/drivers/mtd/trxpart.c +--- linux-2.6.28.10-orig/drivers/mtd/trxpart.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.28.10/drivers/mtd/trxpart.c 2009-07-23 00:00:08.927254359 +0200 +@@ -0,0 +1,149 @@ ++/* ++ * Copyright © 2009 Christian Daniel <cd@maintech.de> ++ * ++ * 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/slab.h> ++ ++#include <linux/mtd/mtd.h> ++#include <linux/mtd/partitions.h> ++#include <linux/bootmem.h> ++#include <linux/magic.h> ++ ++#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 */ ++}; ++ ++static struct mtd_partition trx_parts[TRX_PARTS]; ++ ++static int create_mtd_partitions(struct mtd_info *master, ++ struct mtd_partition **pparts, ++ unsigned long origin) ++{ ++ uint8_t buf[512]; ++ int len; ++ struct trx_header* header; ++ struct uimage_header* uheader; ++ unsigned int kernel_len; ++ ++ master->read(master, 4 * master->erasesize, sizeof(buf), &len, buf); ++ if(strncmp(buf, "NL16", 4) == 0) { ++ printk(KERN_INFO "TRX on WRT160NL detected\n"); ++ ++ header = (struct trx_header*)(buf + 32); ++ ++ if(le32_to_cpu(header->magic) != TRX_MAGIC) { ++ printk(KERN_WARNING "TRX messed up\n"); ++ return 0; ++ } ++ ++ uheader = (struct uimage_header*)(buf + 60); ++ ++ if(uheader->ih_magic != IH_MAGIC) { ++ printk(KERN_WARNING "uImage messed up\n"); ++ return 0; ++ } ++ ++ kernel_len = uheader->ih_size / master->erasesize; ++ if(uheader->ih_size % master->erasesize) ++ kernel_len++; ++ kernel_len++; ++ kernel_len *= master->erasesize; ++ ++ trx_parts[0].name = "u-boot"; ++ trx_parts[0].offset = 0; ++ trx_parts[0].size = 4 * master->erasesize; ++ 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 - 6 * master->erasesize - trx_parts[1].size; ++ trx_parts[2].mask_flags = 0; ++ ++ trx_parts[3].name = "nvram"; ++ trx_parts[3].offset = master->size - 2 * master->erasesize; ++ trx_parts[3].size = master->erasesize; ++ trx_parts[3].mask_flags = 0; ++ ++ trx_parts[4].name = "ART"; ++ trx_parts[4].offset = master->size - master->erasesize; ++ trx_parts[4].size = master->erasesize; ++ trx_parts[4].mask_flags = MTD_WRITEABLE; ++ ++ trx_parts[5].name = "firmware"; ++ trx_parts[5].offset = 4 * master->erasesize; ++ trx_parts[5].size = master->size - 6 * master->erasesize; ++ trx_parts[5].mask_flags = 0; ++ ++ *pparts = trx_parts; ++ ++ return TRX_PARTS; ++ } else { ++ return 0; ++ } ++} ++ ++static struct mtd_part_parser trx_parser = { ++ .owner = THIS_MODULE, ++ .parse_fn = create_mtd_partitions, ++ .name = "trxpart", ++}; ++ ++static int __init trx_parser_init(void) ++{ ++ return register_mtd_parser(&trx_parser); ++} ++ ++module_init(trx_parser_init); ++ ++MODULE_LICENSE("GPL"); ++MODULE_AUTHOR("Christian Daniel <cd@maintech.de>"); ++MODULE_DESCRIPTION("MTD partitioning for CyberTAN TRX"); |