lots of ifxmips fixes and features

[openwrt.git] / target / linux / ifxmips / files / drivers / mtd / maps / ifxmips.c

diff --git a/target/linux/ifxmips/files/drivers/mtd/maps/ifxmips.c b/target/linux/ifxmips/files/drivers/mtd/maps/ifxmips.c
index 98359eb..b3692e7 100644 (file)
--- a/target/linux/ifxmips/files/drivers/mtd/maps/ifxmips.c
+++ b/target/linux/ifxmips/files/drivers/mtd/maps/ifxmips.c
@@ -27,6 +27,7 @@
 #include <linux/mtd/partitions.h>
 #include <linux/mtd/cfi.h>
 #include <asm/ifxmips/ifxmips.h>
+#include <asm/ifxmips/ifxmips_prom.h>
 #include <asm/ifxmips/ifxmips_ebu.h>
 #include <linux/magic.h>
 #include <linux/platform_device.h>
@@ -90,14 +91,14 @@ ifxmips_copy_to(struct map_info *map, unsigned long to, const void *from, ssize_
 }
 
 static struct mtd_partition
-ifxmips_partitions[4] = {
+ifxmips_partitions[] = {
        {
-               name:"U-Boot",
+               name:"uboot",
                offset:0x00000000,
                size:0x00020000,
        },
        {
-               name:"U-Boot-Env",
+               name:"uboot_env",
                offset:0x00020000,
                size:0x00010000,
        },
@@ -111,6 +112,11 @@ ifxmips_partitions[4] = {
                offset:0x0,
                size:0x0,
        },
+       {
+               name:"board_config",
+               offset:0x0,
+               size:0x0,
+       },
 };
 
 int
@@ -121,6 +127,18 @@ find_uImage_size(unsigned long start_offset){
        return temp + 0x40;
 }
 
+int
+find_brn_block(unsigned long start_offset){
+       unsigned char temp[9];
+       ifxmips_copy_from(&ifxmips_map, &temp, start_offset, 8);
+       temp[8] = '\0';
+       printk(KERN_INFO "data in brn block %s\n", temp);
+       if(memcmp(temp, "BRN-BOOT", 8) == 0)
+               return 1;
+       else
+               return 0;
+}
+
 int
 detect_squashfs_partition(unsigned long start_offset){
        unsigned long temp;
@@ -170,12 +188,19 @@ ifxmips_mtd_probe(struct platform_device *dev)
                uimage_size += 0x10000;
        }
 
+       parts = &ifxmips_partitions[0];
        ifxmips_partitions[2].size = uimage_size;
        ifxmips_partitions[3].offset = ifxmips_partitions[2].offset + ifxmips_partitions[2].size;
        ifxmips_partitions[3].size = ((ifxmips_mtd->size >> 20) * 1024 * 1024) - ifxmips_partitions[3].offset;
-
-       parts = &ifxmips_partitions[0];
-       add_mtd_partitions(ifxmips_mtd, parts, 4);
+       if(ifxmips_has_brn_block())
+       {
+               ifxmips_partitions[3].size -= ifxmips_mtd->erasesize;
+               ifxmips_partitions[4].offset = ifxmips_mtd->size - ifxmips_mtd->erasesize;
+               ifxmips_partitions[4].size = ifxmips_mtd->erasesize;
+               add_mtd_partitions(ifxmips_mtd, parts, 5);
+       } else {
+               add_mtd_partitions(ifxmips_mtd, parts, 4);
+       }
 
        printk(KERN_INFO "ifxmips_mtd: added ifxmips flash with %dMB\n", ifxmips_mtd->size >> 20);
        return 0;