diff options
Diffstat (limited to 'target/linux/linux-2.4/patches')
| -rw-r--r-- | target/linux/linux-2.4/patches/ar7/001-flash_map.patch | 84 |
1 files changed, 72 insertions, 12 deletions
diff --git a/target/linux/linux-2.4/patches/ar7/001-flash_map.patch b/target/linux/linux-2.4/patches/ar7/001-flash_map.patch index e88e57afd..b45486157 100644 --- a/target/linux/linux-2.4/patches/ar7/001-flash_map.patch +++ b/target/linux/linux-2.4/patches/ar7/001-flash_map.patch @@ -36,8 +36,8 @@ diff -urN linux-2.4.30/drivers/mtd/maps/Makefile linux-2.4.30.dev/drivers/mtd/ma obj-$(CONFIG_MTD_CFI_FLAGADM) += cfi_flagadm.o diff -urN linux-2.4.30/drivers/mtd/maps/ar7-flash.c linux-2.4.30.dev/drivers/mtd/maps/ar7-flash.c --- linux-2.4.30/drivers/mtd/maps/ar7-flash.c 1970-01-01 01:00:00.000000000 +0100 -+++ linux-2.4.30.dev/drivers/mtd/maps/ar7-flash.c 2005-06-14 19:38:19.000000000 +0200 -@@ -0,0 +1,218 @@ ++++ linux-2.4.30.dev/drivers/mtd/maps/ar7-flash.c 2005-06-14 22:42:23.000000000 +0200 +@@ -0,0 +1,245 @@ +/* + * $Id$ + * @@ -52,6 +52,7 @@ diff -urN linux-2.4.30/drivers/mtd/maps/ar7-flash.c linux-2.4.30.dev/drivers/mtd +#include <linux/mtd/map.h> +#include <linux/config.h> +#include <linux/mtd/partitions.h> ++#include "trxhdr.h" + +#define WINDOW_ADDR CONFIG_MTD_AVALANCHE_START +#define WINDOW_SIZE CONFIG_MTD_AVALANCHE_LEN @@ -176,6 +177,7 @@ diff -urN linux-2.4.30/drivers/mtd/maps/ar7-flash.c linux-2.4.30.dev/drivers/mtd + unsigned int found; + unsigned char *flash_base; + unsigned char *flash_end; ++ struct trx_header hdr; + char *env_ptr; + char *base_ptr; + char *end_ptr; @@ -215,19 +217,44 @@ diff -urN linux-2.4.30/drivers/mtd/maps/ar7-flash.c linux-2.4.30.dev/drivers/mtd + printk("Found a %s image (0x%x), with size (0x%x).\n",env_name, offset, size); + + /* Setup the partition info. We duplicate the env_name for the partiton name */ -+ if (num_of_partitions == 0) -+ avalanche_partition_info[num_of_partitions].name = strdup("linux"); -+ else if (num_of_partitions == 1) -+ avalanche_partition_info[num_of_partitions].name = strdup("rootfs"); -+ else if (num_of_partitions == 2) -+ avalanche_partition_info[num_of_partitions].name = strdup("adam2"); -+ else if (num_of_partitions == 3) -+ avalanche_partition_info[num_of_partitions].name = strdup("config"); -+ else -+ avalanche_partition_info[num_of_partitions].name = strdup(env_name); + avalanche_partition_info[num_of_partitions].offset = offset; + avalanche_partition_info[num_of_partitions].size = size; + avalanche_partition_info[num_of_partitions].mask_flags = 0; ++ ++ switch (num_of_partitions ) { ++ case 0: ++ avalanche_partition_info[num_of_partitions].name = strdup("rootfs"); ++ avalanche_copy_from(&avalanche_map, &hdr, offset, sizeof(hdr)); ++ if (hdr.magic == TRX_MAGIC) { ++ printk("TRX partition detected. First offset: %08x\n", hdr.offsets[0]); ++ avalanche_partition_info[num_of_partitions].offset += hdr.offsets[0]; ++ avalanche_partition_info[num_of_partitions].size -= hdr.offsets[0]; ++ } else { ++ printk("No TRX partition detected\n"); ++ } ++ break; ++ ++ case 1: ++ avalanche_partition_info[num_of_partitions].name = strdup("linux"); ++ break; ++ ++ case 2: ++ avalanche_partition_info[num_of_partitions].name = strdup("adam2"); ++ break; ++ ++ case 3: ++ avalanche_partition_info[num_of_partitions].name = strdup("config"); ++ break; ++ ++ case 4: ++ avalanche_partition_info[num_of_partitions].name = strdup("firmware"); ++ break; ++ ++ default: ++ avalanche_partition_info[num_of_partitions].name = strdup(env_name); ++ break; ++ } ++ + num_of_partitions++; + } while (num_of_partitions < MAX_NUM_PARTITIONS); + @@ -256,3 +283,36 @@ diff -urN linux-2.4.30/drivers/mtd/maps/ar7-flash.c linux-2.4.30.dev/drivers/mtd +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Snehaprabha Narnakaje"); +MODULE_DESCRIPTION("Avalanche CFI map driver"); +diff -urN linux-2.4.30/drivers/mtd/maps/trxhdr.h linux-2.4.30.dev/drivers/mtd/maps/trxhdr.h +--- linux-2.4.30/drivers/mtd/maps/trxhdr.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.4.30.dev/drivers/mtd/maps/trxhdr.h 2005-06-14 21:57:04.000000000 +0200 +@@ -0,0 +1,29 @@ ++/* ++ * TRX image file header format. ++ * ++ * Copyright 2005, Broadcom Corporation ++ * All Rights Reserved. ++ * ++ * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY ++ * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM ++ * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS ++ * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE. ++ * ++ * $Id$ ++ */ ++ ++ ++#define TRX_MAGIC 0x30524448 /* "HDR0" */ ++#define TRX_VERSION 1 ++#define TRX_MAX_LEN 0x3A0000 ++#define TRX_NO_HEADER 1 /* Do not write TRX header */ ++#define TRX_GZ_FILES 0x2 /* Contains up to TRX_MAX_OFFSET individual gzip files */ ++#define TRX_MAX_OFFSET 3 ++ ++struct trx_header { ++ __u32 magic; /* "HDR0" */ ++ __u32 len; /* Length of file including header */ ++ __u32 crc32; /* 32-bit CRC from flag_version to end of file */ ++ __u32 flag_version; /* 0:15 flags, 16:31 version */ ++ __u32 offsets[TRX_MAX_OFFSET]; /* Offsets of partitions from start of header */ ++}; |