openwrt/target/linux/bcm63xx/patches-5.4/400-bcm963xx_flashmap.patch
Hauke Mehrtens bcaabe6d05 kernel: bump 5.4 to 5.4.211
Similar version was upstreamed:
 bcm27xx/patches-5.4/950-0392-tty-amba-pl011-Add-un-throttle-support.patch

Manually adapted:
 ipq806x/patches-5.4/0063-2-tsens-support-configurable-interrupts.patch
 layerscape/patches-5.4/301-arch-0008-arm-add-new-non-shareable-ioremap.patch

Compile-tested: x86/64
Run-tested: x86/64

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
2022-09-04 15:32:22 +02:00

66 lines
2.0 KiB
Diff

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
@@ -85,6 +85,7 @@ 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
@@ -191,6 +192,16 @@ 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;
@@ -211,10 +222,10 @@ 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_