-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 @@
+--- a/drivers/mtd/devices/m25p80.c
++++ b/drivers/mtd/devices/m25p80.c
+@@ -735,6 +735,9 @@ static int __devinit m25p_probe(struct s
#ifdef CONFIG_MTD_REDBOOT_PARTS
"RedBoot",
#endif
-+#ifdef CONFIG_MTD_TRX_PARTS
-+ "trxpart",
++#ifdef CONFIG_MTD_WRT160NL_PARTS
++ "wrt160nl",
+#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 @@
+--- a/drivers/mtd/Kconfig
++++ b/drivers/mtd/Kconfig
+@@ -172,6 +172,12 @@ config MTD_AR7_PARTS
---help---
TI AR7 partitioning support
-+config MTD_TRX_PARTS
-+ tristate "CyberTAN TRX partitioning support"
-+ depends on MTD_PARTITIONS
++config MTD_WRT160NL_PARTS
++ tristate "Linksys WRT160NL partitioning support"
++ depends on MTD_PARTITIONS && AR71XX_MACH_WRT160NL
+ ---help---
-+ CyberTAN TRX paritions support
++ Linksys WRT160NL partitioning 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 @@
+--- a/drivers/mtd/Makefile
++++ b/drivers/mtd/Makefile
+@@ -12,6 +12,7 @@ obj-$(CONFIG_MTD_REDBOOT_PARTS) += redbo
obj-$(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_WRT160NL_PARTS) += wrt160nl_part.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");
projects / openwrt.git / blobdiff