openwrtv4/target/linux/ixp4xx/patches-4.9/116-sidewinder_fis_location.patch

--- a/drivers/mtd/redboot.c
+++ b/drivers/mtd/redboot.c
@@ -31,6 +31,8 @@
 #include <linux/module.h>
 #include <linux/mod_devicetable.h>
 
+#include <asm/mach-types.h>
+
 struct fis_image_desc {
     unsigned char name[16];      // Null terminated name
     uint32_t	  flash_base;    // Address within FLASH of image
@@ -48,7 +50,8 @@ struct fis_list {
 	struct fis_list *next;
 };
 
-static int directory = CONFIG_MTD_REDBOOT_DIRECTORY_BLOCK;
+int directory = CONFIG_MTD_REDBOOT_DIRECTORY_BLOCK;
+
 module_param(directory, int, 0);
 
 static inline int redboot_checksum(struct fis_image_desc *img)
@@ -76,6 +79,8 @@ static int parse_redboot_partitions(stru
 #ifdef CONFIG_MTD_REDBOOT_PARTS_UNALLOCATED
 	static char nullstring[] = "unallocated";
 #endif
+	if (machine_is_sidewinder())
+		directory = -5;
 
 	if ( directory < 0 ) {
 		offset = master->size + directory * master->erasesize;