mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-08-19 23:10:14 +03:00
backport flash-map driver and serial setup from 2.6 for netgear wgt634, split flash map from brcm patch
git-svn-id: svn://svn.openwrt.org/openwrt/trunk/openwrt@2744 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
parent
ee2e72a86d
commit
4f9c0c283e
@ -88,10 +88,14 @@ install: $(BIN_DIR)/openwrt-wrt54g-$(KERNEL)-$(FSNAME).bin $(BIN_DIR)/openwrt-wr
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endif
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ifneq ($(FS),jffs2-4MB)
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$(BIN_DIR)/openwrt-wgt634u-$(KERNEL)-$(FSNAME).bin: $(BIN_DIR)/openwrt-$(BOARD)-$(KERNEL)-$(FS).trx
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dd if=$(BUILD_DIR)/loader.elf of=$@ bs=131072 conv=sync
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cat $(BIN_DIR)/openwrt-$(BOARD)-$(KERNEL)-$(FS).trx >> $@
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$(BIN_DIR)/openwrt-wrt54gs-$(KERNEL)-$(FSNAME).bin: $(BIN_DIR)/openwrt-$(BOARD)-$(KERNEL)-$(FS).trx
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$(STAGING_DIR)/bin/addpattern -4 -p W54S -v v4.70.6 -i $< -o $@ -g
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install: $(BIN_DIR)/openwrt-wrt54gs-$(KERNEL)-$(FSNAME).bin
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install: $(BIN_DIR)/openwrt-wrt54gs-$(KERNEL)-$(FSNAME).bin $(BIN_DIR)/openwrt-wgt634u-$(KERNEL)-$(FSNAME).bin
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endif
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$(BIN_DIR)/openwrt-motorola-$(KERNEL)-$(FS).bin: $(BIN_DIR)/openwrt-$(BOARD)-$(KERNEL)-$(FS).trx
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File diff suppressed because it is too large
Load Diff
401
target/linux/linux-2.4/patches/brcm/004-flash-map.patch
Normal file
401
target/linux/linux-2.4/patches/brcm/004-flash-map.patch
Normal file
@ -0,0 +1,401 @@
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diff -Nur linux-2.4.32/drivers/mtd/maps/bcm947xx-flash.c linux-2.4.32-flash/drivers/mtd/maps/bcm947xx-flash.c
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--- linux-2.4.32/drivers/mtd/maps/bcm947xx-flash.c 1970-01-01 01:00:00.000000000 +0100
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+++ linux-2.4.32-flash/drivers/mtd/maps/bcm947xx-flash.c 2005-12-19 01:29:52.464670750 +0100
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@@ -0,0 +1,366 @@
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+/*
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+ * Copyright (C) 2004 Florian Schirmer (jolt@tuxbox.org)
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+ * Copyright (C) 2005 Waldemar Brodkorb <wbx@openwrt.org>
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+ *
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+ * original functions for finding root filesystem from Mike Baker
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+ *
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+ * This program is free software; you can redistribute it and/or modify it
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+ * under the terms of the GNU General Public License as published by the
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+ * Free Software Foundation; either version 2 of the License, or (at your
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+ * option) any later version.
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+ *
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+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
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+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
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+ * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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+ *
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+ * You should have received a copy of the GNU General Public License along
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+ * with this program; if not, write to the Free Software Foundation, Inc.,
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+ * 675 Mass Ave, Cambridge, MA 02139, USA.
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+ *
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+ *
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+ * Copyright 2004, Broadcom Corporation
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+ * All Rights Reserved.
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+ *
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+ * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY
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+ * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM
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+ * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
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+ * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE.
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+ *
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+ * Flash mapping for BCM947XX boards
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+ *
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+ */
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+
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+#include <linux/module.h>
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+#include <linux/types.h>
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+#include <linux/kernel.h>
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+#include <asm/io.h>
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+#include <linux/mtd/mtd.h>
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+#include <linux/mtd/map.h>
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+#ifdef CONFIG_MTD_PARTITIONS
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+#include <linux/mtd/partitions.h>
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+#endif
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+#include <linux/config.h>
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+
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+#include <trxhdr.h>
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+
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+#define WINDOW_ADDR 0x1c000000
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+#define WINDOW_SIZE (0x400000*2)
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+#define BUSWIDTH 2
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+
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+static struct mtd_info *bcm947xx_mtd;
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+
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+__u8 bcm947xx_map_read8(struct map_info *map, unsigned long ofs)
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+{
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+ if (map->map_priv_2 == 1)
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+ return __raw_readb(map->map_priv_1 + ofs);
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+
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+ u16 val = __raw_readw(map->map_priv_1 + (ofs & ~1));
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+ if (ofs & 1)
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+ return ((val >> 8) & 0xff);
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+ else
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+ return (val & 0xff);
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+}
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+
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+__u16 bcm947xx_map_read16(struct map_info *map, unsigned long ofs)
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+{
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+ return __raw_readw(map->map_priv_1 + ofs);
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+}
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+
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+__u32 bcm947xx_map_read32(struct map_info *map, unsigned long ofs)
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+{
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+ return __raw_readl(map->map_priv_1 + ofs);
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+}
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+
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+void bcm947xx_map_copy_from(struct map_info *map, void *to, unsigned long from, ssize_t len)
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+{
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+ if (len==1) {
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+ memcpy_fromio(to, map->map_priv_1 + from, len);
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+ } else {
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+ int i;
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+ u16 *dest = (u16 *) to;
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+ u16 *src = (u16 *) (map->map_priv_1 + from);
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+ for (i = 0; i < (len / 2); i++) {
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+ dest[i] = src[i];
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+ }
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+ if (len & 1)
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+ *((u8 *)dest+len-1) = src[i] & 0xff;
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+ }
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+}
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+
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+void bcm947xx_map_write8(struct map_info *map, __u8 d, unsigned long adr)
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+{
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+ __raw_writeb(d, map->map_priv_1 + adr);
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+ mb();
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+}
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+
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+void bcm947xx_map_write16(struct map_info *map, __u16 d, unsigned long adr)
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+{
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+ __raw_writew(d, map->map_priv_1 + adr);
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+ mb();
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+}
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+
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+void bcm947xx_map_write32(struct map_info *map, __u32 d, unsigned long adr)
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+{
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+ __raw_writel(d, map->map_priv_1 + adr);
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+ mb();
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+}
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+
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+void bcm947xx_map_copy_to(struct map_info *map, unsigned long to, const void *from, ssize_t len)
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+{
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+ memcpy_toio(map->map_priv_1 + to, from, len);
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+}
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+
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+struct map_info bcm947xx_map = {
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+ name: "Physically mapped flash",
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+ size: WINDOW_SIZE,
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+ buswidth: BUSWIDTH,
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+ read8: bcm947xx_map_read8,
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+ read16: bcm947xx_map_read16,
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+ read32: bcm947xx_map_read32,
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+ copy_from: bcm947xx_map_copy_from,
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+ write8: bcm947xx_map_write8,
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+ write16: bcm947xx_map_write16,
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+ write32: bcm947xx_map_write32,
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+ copy_to: bcm947xx_map_copy_to
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+};
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+
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+#ifdef CONFIG_MTD_PARTITIONS
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+
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+static struct mtd_partition bcm947xx_parts[] = {
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+ { name: "cfe", offset: 0, size: 0, mask_flags: MTD_WRITEABLE, },
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+ { name: "linux", offset: 0, size: 0, },
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+ { name: "rootfs", offset: 0, size: 0, },
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+ { name: "nvram", offset: 0, size: 0, },
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+ { name: "OpenWrt", offset: 0, size: 0, },
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+ { name: NULL, },
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+};
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+
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+static int __init
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+find_cfe_size(struct mtd_info *mtd, size_t size)
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+{
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+ struct trx_header *trx;
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+ unsigned char buf[512];
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+ int off;
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+ size_t len;
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+ int cfe_size_flag;
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+
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+ trx = (struct trx_header *) buf;
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+
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+ cfe_size_flag=0;
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+
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+ for (off = (256*1024); off < size; off += mtd->erasesize) {
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+ memset(buf, 0xe5, sizeof(buf));
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+
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+ /*
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+ * Read into buffer
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+ */
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+ if (MTD_READ(mtd, off, sizeof(buf), &len, buf) ||
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+ len != sizeof(buf))
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+ continue;
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+
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+ /* found a TRX header */
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+ if (le32_to_cpu(trx->magic) == TRX_MAGIC) {
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+ goto done;
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+ }
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+ cfe_size_flag += 1;
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+ }
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+
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+ printk(KERN_NOTICE
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+ "%s: Couldn't find bootloader size\n",
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+ mtd->name);
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+ return -1;
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+
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+ done:
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+ printk(KERN_NOTICE "bootloader size flag: %d\n", cfe_size_flag);
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+ return cfe_size_flag;
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+
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+}
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+
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+static int __init
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+find_root(struct mtd_info *mtd, size_t size, struct mtd_partition *part)
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+{
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+ struct trx_header *trx;
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+ unsigned char buf[512];
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+ int off;
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+ size_t len;
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+
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+ trx = (struct trx_header *) buf;
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+
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+ for (off = (256*1024); off < size; off += mtd->erasesize) {
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+ memset(buf, 0xe5, sizeof(buf));
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+
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+ /*
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+ * Read into buffer
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+ */
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+ if (MTD_READ(mtd, off, sizeof(buf), &len, buf) ||
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+ len != sizeof(buf))
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+ continue;
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+
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+ /* found a TRX header */
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+ if (le32_to_cpu(trx->magic) == TRX_MAGIC) {
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+ part->offset = le32_to_cpu(trx->offsets[2]) ? :
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+ le32_to_cpu(trx->offsets[1]);
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+ part->size = le32_to_cpu(trx->len);
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+
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+ part->size -= part->offset;
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+ part->offset += off;
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+
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+ goto done;
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+ }
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+ }
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+
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+ printk(KERN_NOTICE
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+ "%s: Couldn't find root filesystem\n",
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+ mtd->name);
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+ return -1;
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+
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+ done:
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+ return part->size;
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+}
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+
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+struct mtd_partition * __init
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+init_mtd_partitions(struct mtd_info *mtd, size_t size)
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+{
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+
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+ int cfe_size_flag;
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+
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+ /* if cfe_size_flag=0, cfe size is 256 kb, else 384 kb */
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+ cfe_size_flag = find_cfe_size(mtd,size);
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+
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+ /* boot loader */
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+ bcm947xx_parts[0].offset = 0;
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+ if (cfe_size_flag == 0) {
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+ bcm947xx_parts[0].size = 1024*256;
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+ } else {
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+ /* netgear wgt634u has 384 kb bootloader */
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+ bcm947xx_parts[0].size = 1024*384;
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+ }
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+
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+ /* nvram */
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+ if (cfe_size_flag == 0) {
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+ bcm947xx_parts[3].offset = size - mtd->erasesize;
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+ } else {
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+ /* nvram (old 128kb config partition on netgear wgt634u) */
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+ bcm947xx_parts[3].offset = bcm947xx_parts[0].size;
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+ }
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+ bcm947xx_parts[3].size = mtd->erasesize;
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+
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+ /* linux (kernel and rootfs) */
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+ if (cfe_size_flag == 0) {
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+ bcm947xx_parts[1].offset = bcm947xx_parts[0].size;
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+ bcm947xx_parts[1].size = bcm947xx_parts[3].offset -
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+ bcm947xx_parts[1].offset;
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+ } else {
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+ /* do not count the elf loader, which is on one block */
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+ bcm947xx_parts[1].offset = bcm947xx_parts[0].size +
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+ bcm947xx_parts[3].size + mtd->erasesize;
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+ bcm947xx_parts[1].size = size -
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+ bcm947xx_parts[0].size -
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+ (2*bcm947xx_parts[3].size) -
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+ mtd->erasesize;
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+ }
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+
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+ /* find and size rootfs */
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+ if (find_root(mtd,size,&bcm947xx_parts[2])==0) {
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+ /* entirely jffs2 */
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+ bcm947xx_parts[4].name = NULL;
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+ bcm947xx_parts[2].size = size - bcm947xx_parts[2].offset -
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+ bcm947xx_parts[3].size;
|
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+ } else {
|
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+ /* legacy setup */
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+ /* calculate leftover flash, and assign it to the jffs2 partition */
|
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+ if (cfe_size_flag == 0) {
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+ bcm947xx_parts[4].offset = bcm947xx_parts[2].offset +
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+ bcm947xx_parts[2].size;
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+ if ((bcm947xx_parts[4].offset % mtd->erasesize) > 0) {
|
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+ bcm947xx_parts[4].offset += mtd->erasesize -
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+ (bcm947xx_parts[4].offset % mtd->erasesize);
|
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+ }
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+ bcm947xx_parts[4].size = bcm947xx_parts[3].offset -
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+ bcm947xx_parts[4].offset;
|
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+ } else {
|
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+ bcm947xx_parts[4].offset = bcm947xx_parts[2].offset +
|
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+ bcm947xx_parts[2].size;
|
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+ if ((bcm947xx_parts[4].offset % mtd->erasesize) > 0) {
|
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+ bcm947xx_parts[4].offset += mtd->erasesize -
|
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+ (bcm947xx_parts[4].offset % mtd->erasesize);
|
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+ }
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+ bcm947xx_parts[4].size = size - bcm947xx_parts[3].size -
|
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+ bcm947xx_parts[4].offset;
|
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+ }
|
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+ }
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+
|
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+ return bcm947xx_parts;
|
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+}
|
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+
|
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+#endif
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+
|
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+
|
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+mod_init_t init_bcm947xx_map(void)
|
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+{
|
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+ size_t size;
|
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+ int ret = 0;
|
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+#ifdef CONFIG_MTD_PARTITIONS
|
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+ struct mtd_partition *parts;
|
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+ int i;
|
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+#endif
|
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+
|
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+ bcm947xx_map.map_priv_1 = (unsigned long) ioremap(WINDOW_ADDR, WINDOW_SIZE);
|
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+
|
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+ if (!bcm947xx_map.map_priv_1) {
|
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+ printk(KERN_ERR "Failed to ioremap\n");
|
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+ return -EIO;
|
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+ }
|
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+
|
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+ if (!(bcm947xx_mtd = do_map_probe("cfi_probe", &bcm947xx_map))) {
|
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+ printk(KERN_ERR "pflash: cfi_probe failed\n");
|
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+ iounmap((void *)bcm947xx_map.map_priv_1);
|
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+ return -ENXIO;
|
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+ }
|
||||
+
|
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+ bcm947xx_mtd->module = THIS_MODULE;
|
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+
|
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+ size = bcm947xx_mtd->size;
|
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+
|
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+ printk(KERN_NOTICE "Flash device: 0x%x at 0x%x\n", size, WINDOW_ADDR);
|
||||
+
|
||||
+#ifdef CONFIG_MTD_PARTITIONS
|
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+ parts = init_mtd_partitions(bcm947xx_mtd, size);
|
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+ for (i = 0; parts[i].name; i++);
|
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+ ret = add_mtd_partitions(bcm947xx_mtd, parts, i);
|
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+ if (ret) {
|
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+ printk(KERN_ERR "Flash: add_mtd_partitions failed\n");
|
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+ goto fail;
|
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+ }
|
||||
+#endif
|
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+
|
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+ return 0;
|
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+
|
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+ fail:
|
||||
+ if (bcm947xx_mtd)
|
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+ map_destroy(bcm947xx_mtd);
|
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+ if (bcm947xx_map.map_priv_1)
|
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+ iounmap((void *) bcm947xx_map.map_priv_1);
|
||||
+ bcm947xx_map.map_priv_1 = 0;
|
||||
+ return ret;
|
||||
+}
|
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+
|
||||
+mod_exit_t cleanup_bcm947xx_map(void)
|
||||
+{
|
||||
+#ifdef CONFIG_MTD_PARTITIONS
|
||||
+ del_mtd_partitions(bcm947xx_mtd);
|
||||
+#endif
|
||||
+ map_destroy(bcm947xx_mtd);
|
||||
+ iounmap((void *) bcm947xx_map.map_priv_1);
|
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+ bcm947xx_map.map_priv_1 = 0;
|
||||
+}
|
||||
+
|
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+module_init(init_bcm947xx_map);
|
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+module_exit(cleanup_bcm947xx_map);
|
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diff -Nur linux-2.4.32/drivers/mtd/maps/Config.in linux-2.4.32-flash/drivers/mtd/maps/Config.in
|
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--- linux-2.4.32/drivers/mtd/maps/Config.in 2003-06-13 16:51:34.000000000 +0200
|
||||
+++ linux-2.4.32-flash/drivers/mtd/maps/Config.in 2005-12-18 15:53:52.003277250 +0100
|
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@@ -48,6 +48,7 @@
|
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fi
|
||||
|
||||
if [ "$CONFIG_MIPS" = "y" ]; then
|
||||
+ dep_tristate ' CFI Flash device mapped on Broadcom BCM947XX boards' CONFIG_MTD_BCM947XX $CONFIG_MTD_CFI
|
||||
dep_tristate ' Pb1000 MTD support' CONFIG_MTD_PB1000 $CONFIG_MIPS_PB1000
|
||||
dep_tristate ' Pb1500 MTD support' CONFIG_MTD_PB1500 $CONFIG_MIPS_PB1500
|
||||
dep_tristate ' Pb1100 MTD support' CONFIG_MTD_PB1100 $CONFIG_MIPS_PB1100
|
||||
diff -Nur linux-2.4.32/drivers/mtd/maps/Makefile linux-2.4.32-flash/drivers/mtd/maps/Makefile
|
||||
--- linux-2.4.32/drivers/mtd/maps/Makefile 2003-06-13 16:51:34.000000000 +0200
|
||||
+++ linux-2.4.32-flash/drivers/mtd/maps/Makefile 2005-12-18 15:54:39.022215750 +0100
|
||||
@@ -3,6 +3,8 @@
|
||||
#
|
||||
# $Id: Makefile,v 1.37 2003/01/24 14:26:38 dwmw2 Exp $
|
||||
|
||||
+EXTRA_CFLAGS := -I$(TOPDIR)/arch/mips/bcm947xx/include
|
||||
+
|
||||
BELOW25 := $(shell echo $(PATCHLEVEL) | sed s/[1234]/y/)
|
||||
|
||||
ifeq ($(BELOW25),y)
|
||||
@@ -10,6 +12,7 @@
|
||||
endif
|
||||
|
||||
# Chip mappings
|
||||
+obj-$(CONFIG_MTD_BCM947XX) += bcm947xx-flash.o
|
||||
obj-$(CONFIG_MTD_CDB89712) += cdb89712.o
|
||||
obj-$(CONFIG_MTD_ARM_INTEGRATOR)+= integrator-flash.o
|
||||
obj-$(CONFIG_MTD_CFI_FLAGADM) += cfi_flagadm.o
|
Loading…
Reference in New Issue
Block a user