X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/e37963667dfc52051e9e59896a45950f3cd22be4..5b386e7073cfd724214e3210e28d0c218ee1112d:/target/linux/adm5120-2.6/files/drivers/mtd/maps/adm5120_mtd.c

diff --git a/target/linux/adm5120-2.6/files/drivers/mtd/maps/adm5120_mtd.c b/target/linux/adm5120-2.6/files/drivers/mtd/maps/adm5120_mtd.c
index 0d95dc833..3abad32fa 100644
--- a/target/linux/adm5120-2.6/files/drivers/mtd/maps/adm5120_mtd.c
+++ b/target/linux/adm5120-2.6/files/drivers/mtd/maps/adm5120_mtd.c
@@ -43,6 +43,7 @@
 #include <linux/wait.h>
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/map.h>
+#include <linux/sched.h>
 #ifdef CONFIG_MTD_PARTITIONS
 #include <linux/mtd/partitions.h>
 #endif
@@ -103,7 +104,6 @@ static struct mtd_partition adm5120_cfe_parts[] = {
 	{ name: "linux", offset: 0, size: 0, },
 	{ name: "rootfs", offset: 0, size: 0, },
 	{ name: "nvram", offset: 0, size: 0, },
-	{ name: "OpenWrt", offset: 0, size: 0, },
 	{ name: NULL, },
 };
 
@@ -313,24 +313,8 @@ find_root(struct mtd_info *mtd, size_t size, struct mtd_partition *part)
 	if (mtd->read(mtd, part->offset, sizeof(buf), &len, buf) || len != sizeof(buf))
 		return 0;
 
-	if (*((__u32 *) buf) == SQUASHFS_MAGIC) {
-		printk(KERN_INFO "%s: Filesystem type: squashfs, size=0x%x\n", mtd->name, (u32) sb->bytes_used);
-
-		/* Update the squashfs partition size based on the superblock info */
-		part->size = sb->bytes_used;
-		len = part->offset + part->size;
-		len +=  (mtd->erasesize - 1);
-		len &= ~(mtd->erasesize - 1);
-		part->size = len - part->offset;
-	} else if (*((__u16 *) buf) == JFFS2_MAGIC_BITMASK) {
-		printk(KERN_INFO "%s: Filesystem type: jffs2\n", mtd->name);
-
-		/* Move the squashfs outside of the trx */
-		part->size = 0;
-	} else {
-		printk(KERN_INFO "%s: Filesystem type: unknown\n", mtd->name);
-		return 0;
-	}
+	/* Move the fs outside of the trx */
+	part->size = 0;
 
 	if (trx.len != part->offset + part->size - off) {
 		/* Update the trx offsets and length */
@@ -408,34 +392,8 @@ init_mtd_partitions(struct mtd_info *mtd, size_t size)
 	}
 
 	/* find and size rootfs */
-	if (find_root(mtd,size,&adm5120_cfe_parts[2])==0) {
-		/* entirely jffs2 */
-		adm5120_cfe_parts[4].name = NULL;
-		adm5120_cfe_parts[2].size = size - adm5120_cfe_parts[2].offset -
-				adm5120_cfe_parts[3].size;
-	} else {
-		/* legacy setup */
-		/* calculate leftover flash, and assign it to the jffs2 partition */
-		if (cfe_size != 384 * 1024) {
-			adm5120_cfe_parts[4].offset = adm5120_cfe_parts[2].offset +
-				adm5120_cfe_parts[2].size;
-			if ((adm5120_cfe_parts[4].offset % mtd->erasesize) > 0) {
-				adm5120_cfe_parts[4].offset += mtd->erasesize -
-					(adm5120_cfe_parts[4].offset % mtd->erasesize);
-			}
-			adm5120_cfe_parts[4].size = adm5120_cfe_parts[3].offset -
-				adm5120_cfe_parts[4].offset;
-		} else {
-			adm5120_cfe_parts[4].offset = adm5120_cfe_parts[2].offset +
-				adm5120_cfe_parts[2].size;
-			if ((adm5120_cfe_parts[4].offset % mtd->erasesize) > 0) {
-				adm5120_cfe_parts[4].offset += mtd->erasesize -
-					(adm5120_cfe_parts[4].offset % mtd->erasesize);
-			}
-			adm5120_cfe_parts[4].size = size - adm5120_cfe_parts[3].size -
-				adm5120_cfe_parts[4].offset;
-		}
-	}
+	find_root(mtd,size,&adm5120_cfe_parts[2]);
+	adm5120_cfe_parts[2].size = size - adm5120_cfe_parts[2].offset - adm5120_cfe_parts[3].size;
 
 	return adm5120_cfe_parts;
 }
@@ -449,8 +407,12 @@ int __init init_adm5120_map(void)
 	struct mtd_partition *parts;
 	int i, parsed_nr_parts = 0;
 #endif
-	printk("adm5120 : flash init : 0x%08x 0x%08x\n", WINDOW_ADDR, WINDOW_SIZE);
-	adm5120_map.virt = ioremap_nocache(WINDOW_ADDR, WINDOW_SIZE);
+
+	if (adm5120_nand_boot)
+		return -ENODEV;
+
+	printk("adm5120 : flash init : 0x%08x 0x%08x\n", WINDOW_ADDR, adm5120_board.flash0_size);
+	adm5120_map.virt = ioremap_nocache(WINDOW_ADDR, adm5120_board.flash0_size);
 
 	if (!adm5120_map.virt) {
 		printk("Failed to ioremap\n");
@@ -475,7 +437,7 @@ int __init init_adm5120_map(void)
 
 #ifdef CONFIG_MTD_PARTITIONS
 
-	if (adm5120_boot_loader == BOOT_LOADER_CFE)
+	if (adm5120_boot_loader == BOOT_LOADER_CFE || adm5120_boot_loader == BOOT_LOADER_UNKNOWN)
 	{
 		printk(KERN_NOTICE "adm5120 : using CFE flash mapping\n");
 		parts = init_mtd_partitions(adm5120_mtd, size);