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[ar71xx] WRT160NL: mtd parser cleanup

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@17177 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
juhosg 2009-08-08 13:06:28 +00:00
parent 481c294462
commit 2eab48f782
1 changed files with 16 additions and 17 deletions
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33
target/linux/ar71xx/files/drivers/mtd/wrt160nl_part.c
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@ -41,7 +41,7 @@ struct trx_header {
};
#define IH_MAGIC 0x27051956 /* Image Magic Number */
#define IH_NMLEN 32 /* Image Name Length */
#define IH_NMLEN 32 /* Image Name Length */
struct uimage_header {
uint32_t ih_magic; /* Image Header Magic Number */
@ -66,32 +66,31 @@ static int create_mtd_partitions(struct mtd_info *master,
{
uint8_t buf[512];
int len;
struct trx_header* header;
struct uimage_header* uheader;
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) {
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) {
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) {
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++;
if (uheader->ih_size % master->erasesize)
kernel_len++;
kernel_len++;
kernel_len *= master->erasesize;
trx_parts[0].name = "u-boot";
@ -112,9 +111,9 @@ static int create_mtd_partitions(struct mtd_info *master,
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[3].mask_flags = MTD_WRITEABLE;
trx_parts[4].name = "ART";
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;
@ -133,9 +132,9 @@ static int create_mtd_partitions(struct mtd_info *master,
}
static struct mtd_part_parser trx_parser = {
.owner = THIS_MODULE,
.parse_fn = create_mtd_partitions,
.name = "wrt160nl",
.owner = THIS_MODULE,
.parse_fn = create_mtd_partitions,
.name = "wrt160nl",
};
static int __init trx_parser_init(void)