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git://projects.qi-hardware.com/openwrt-xburst.git
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5f12aa1919
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@17081 3c298f89-4303-0410-b956-a3cf2f4a3e73
74 lines
2.4 KiB
Diff
74 lines
2.4 KiB
Diff
From e734ace5baa04e0e8af1d4483475fbd6bd2b32a1 Mon Sep 17 00:00:00 2001
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From: Axel Gembe <ago@bastart.eu.org>
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Date: Mon, 12 May 2008 18:54:09 +0200
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Subject: [PATCH] bcm963xx: flashmap support
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Signed-off-by: Axel Gembe <ago@bastart.eu.org>
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---
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drivers/mtd/maps/Kconfig | 7 +++++++
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drivers/mtd/maps/Makefile | 1 +
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drivers/mtd/redboot.c | 13 ++++++++++---
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3 files changed, 18 insertions(+), 3 deletions(-)
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--- a/drivers/mtd/maps/Kconfig
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+++ b/drivers/mtd/maps/Kconfig
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@@ -268,6 +268,13 @@ config MTD_ALCHEMY
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help
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Flash memory access on AMD Alchemy Pb/Db/RDK Reference Boards
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+config MTD_BCM963XX
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+ tristate "BCM963xx Flash device"
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+ depends on MIPS && BCM63XX
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+ help
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+ Flash memory access on BCM963xx boards. Currently only works with
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+ RedBoot and CFE.
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+
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config MTD_DILNETPC
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tristate "CFI Flash device mapped on DIL/Net PC"
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depends on X86 && MTD_CONCAT && MTD_PARTITIONS && MTD_CFI_INTELEXT
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--- a/drivers/mtd/redboot.c
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+++ b/drivers/mtd/redboot.c
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@@ -39,7 +39,7 @@ static inline int redboot_checksum(struc
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return 1;
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}
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-static int parse_redboot_partitions(struct mtd_info *master,
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+int parse_redboot_partitions(struct mtd_info *master,
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struct mtd_partition **pparts,
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unsigned long fis_origin)
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{
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@@ -162,6 +162,14 @@ static int parse_redboot_partitions(stru
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goto out;
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}
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+ if (!fis_origin) {
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+ for (i = 0; i < numslots; i++) {
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+ if (!strncmp(buf[i].name, "RedBoot", 8)) {
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+ fis_origin = (buf[i].flash_base & (master->size << 1) - 1);
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+ }
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+ }
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+ }
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+
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for (i = 0; i < numslots; i++) {
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struct fis_list *new_fl, **prev;
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@@ -184,9 +192,8 @@ static int parse_redboot_partitions(stru
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new_fl->img = &buf[i];
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if (fis_origin) {
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buf[i].flash_base -= fis_origin;
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- } else {
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- buf[i].flash_base &= master->size-1;
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}
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+ buf[i].flash_base &= (master->size << 1) - 1;
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/* I'm sure the JFFS2 code has done me permanent damage.
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* I now think the following is _normal_
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--- a/drivers/mtd/maps/Makefile
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+++ b/drivers/mtd/maps/Makefile
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@@ -62,3 +62,4 @@ obj-$(CONFIG_MTD_INTEL_VR_NOR) += intel_
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obj-$(CONFIG_MTD_BFIN_ASYNC) += bfin-async-flash.o
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obj-$(CONFIG_MTD_RBTX4939) += rbtx4939-flash.o
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obj-$(CONFIG_MTD_VMU) += vmu-flash.o
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+obj-$(CONFIG_MTD_BCM963XX) += bcm963xx-flash.o
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