Initial commit

target/linux/bcm63xx/patches-5.4/400-bcm963xx_flashmap.patch

@@ -0,0 +1,65 @@
+From a4d005c91d403d9f3d0272db6cc46202c06ec774 Mon Sep 17 00:00:00 2001
+From: Axel Gembe <ago@bastart.eu.org>
+Date: Mon, 12 May 2008 18:54:09 +0200
+Subject: [PATCH] bcm963xx: flashmap support
+
+Signed-off-by: Axel Gembe <ago@bastart.eu.org>
+---
+ arch/mips/bcm63xx/boards/board_bcm963xx.c |   19 +----------------
+ drivers/mtd/maps/bcm963xx-flash.c         |   32 ++++++++++++++++++++++++----
+ drivers/mtd/redboot.c                     |   13 +++++++++--
+ 3 files changed, 38 insertions(+), 26 deletions(-)
+
+--- a/arch/mips/bcm63xx/dev-flash.c
++++ b/arch/mips/bcm63xx/dev-flash.c
+@@ -35,7 +35,7 @@ static struct mtd_partition mtd_partitio
+ 	}
+ };
+ 
+-static const char *bcm63xx_part_types[] = { "bcm63xxpart", NULL };
++static const char *bcm63xx_part_types[] = { "bcm63xxpart", "RedBoot", NULL };
+ 
+ static struct physmap_flash_data flash_data = {
+ 	.width			= 2,
+--- a/drivers/mtd/parsers/redboot.c
++++ b/drivers/mtd/parsers/redboot.c
+@@ -84,6 +84,7 @@ static int parse_redboot_partitions(stru
+ 	int nulllen = 0;
+ 	int numslots;
+ 	unsigned long offset;
++	unsigned long fis_origin = 0;
+ #ifdef CONFIG_MTD_REDBOOT_PARTS_UNALLOCATED
+ 	static char nullstring[] = "unallocated";
+ #endif
+@@ -190,6 +191,16 @@ static int parse_redboot_partitions(stru
+ 		goto out;
+ 	}
+ 
++	if (data && data->origin) {
++		fis_origin = data->origin;
++	} else {
++		for (i = 0; i < numslots; i++) {
++			if (!strncmp(buf[i].name, "RedBoot", 8)) {
++				fis_origin = (buf[i].flash_base & ((master->size << 1) - 1));
++			}
++		}
++	}
++
+ 	for (i = 0; i < numslots; i++) {
+ 		struct fis_list *new_fl, **prev;
+ 
+@@ -210,10 +221,10 @@ static int parse_redboot_partitions(stru
+ 			goto out;
+ 		}
+ 		new_fl->img = &buf[i];
+-		if (data && data->origin)
+-			buf[i].flash_base -= data->origin;
+-		else
+-			buf[i].flash_base &= master->size-1;
++		if (fis_origin)
++			buf[i].flash_base -= fis_origin;
++
++		buf[i].flash_base &= (master->size << 1) - 1;
+ 
+ 		/* I'm sure the JFFS2 code has done me permanent damage.
+ 		 * I now think the following is _normal_