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git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-08-20 01:49:00 +03:00
add new flash map driver, jffs2 is found, squashfs not.
git-svn-id: svn://svn.openwrt.org/openwrt/trunk/openwrt@1829 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
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4e23b813a0
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13ada0b245
@ -31,7 +31,7 @@ ifeq ($(KERNEL),2.6)
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FSNAME:=$(patsubst jffs2-%,jffs2,$(FS))
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$(BIN_DIR)/openwrt-wgt634u-2.6-$(FSNAME).bin: $(BIN_DIR)/openwrt-$(BOARD)-$(KERNEL)-$(FS).trx
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dd if=$(BUILD_DIR)/loader-0.04/loader.o of=$@ bs=65536 conv=sync
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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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install: $(BIN_DIR)/openwrt-wgt634u-2.6-$(FSNAME).bin
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@ -13123,14 +13123,45 @@ diff -Nur linux-2.6.12.5/drivers/mtd/maps/Makefile linux-2.6.12.5-brcm/drivers/m
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obj-$(CONFIG_MTD_SBC_GXX) += sbc_gxx.o
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diff -Nur linux-2.6.12.5/drivers/mtd/maps/bcm47xx-flash.c linux-2.6.12.5-brcm/drivers/mtd/maps/bcm47xx-flash.c
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--- linux-2.6.12.5/drivers/mtd/maps/bcm47xx-flash.c 1970-01-01 01:00:00.000000000 +0100
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+++ linux-2.6.12.5-brcm/drivers/mtd/maps/bcm47xx-flash.c 2005-08-28 17:01:50.948899632 +0200
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@@ -0,0 +1,131 @@
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+++ linux-2.6.12.5-brcm/drivers/mtd/maps/bcm47xx-flash.c 2005-09-03 18:50:05.090478752 +0200
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@@ -0,0 +1,247 @@
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+/*
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+ * Flash mapping for BCM947XX boards
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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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+ * Copyright (C) 2001 Broadcom Corporation
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+ * original functions for finding root filesystem from Mike Baker
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+ *
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+ * $Id: bcm47xx-flash.c,v 1.1 2004/10/21 07:18:31 jolt Exp $
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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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+ * Copyright 2001-2003, 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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+ * $Id: bcm47xx-flash.c,v 1.1 2004/10/21 07:18:31 jolt Exp $
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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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+#include <linux/init.h>
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@ -13142,6 +13173,14 @@ diff -Nur linux-2.6.12.5/drivers/mtd/maps/bcm47xx-flash.c linux-2.6.12.5-brcm/dr
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+#include <linux/mtd/map.h>
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+#include <linux/mtd/partitions.h>
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+#include <linux/config.h>
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+#include <typedefs.h>
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+#include <bcmutils.h>
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+#include <bcmnvram.h>
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+#include <trxhdr.h>
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+
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+#ifdef CONFIG_MTD_PARTITIONS
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+extern struct mtd_partition * init_mtd_partitions(struct mtd_info *mtd, size_t size);
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+#endif
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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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@ -13176,49 +13215,110 @@ diff -Nur linux-2.6.12.5/drivers/mtd/maps/bcm47xx-flash.c linux-2.6.12.5-brcm/dr
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+ phys: WINDOW_ADDR,
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+};
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+
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+#define SECTORS *64*1024
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+
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+#ifdef CONFIG_MTD_PARTITIONS
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+#if 0
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+
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+static struct mtd_partition bcm947xx_parts[] = {
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+// 64 - 4 - 14 - 1 = 45 = 8 + 37
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+ { name: "pmon", offset: 0, size: 4 SECTORS, mask_flags: MTD_WRITEABLE },
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+ { name: "linux", offset: MTDPART_OFS_APPEND, size: 14 SECTORS },
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+ { name: "rescue", offset: MTDPART_OFS_APPEND, size: 8 SECTORS },
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+ { name: "rootfs", offset: MTDPART_OFS_APPEND, size: 37 SECTORS },
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+ { name: "nvram", offset: MTDPART_OFS_APPEND, size: 1 SECTORS, mask_flags: MTD_WRITEABLE },
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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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+#else
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+static struct mtd_partition bcm947xx_parts[] = {
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+ { name: "cfe",
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+ offset: 0,
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+ size: 384*1024,
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+ mask_flags: MTD_WRITEABLE
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+ },
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+ { name: "config",
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+ offset: MTDPART_OFS_APPEND,
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+ size: 128*1024
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+ },
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+ { name: "linux",
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+ offset: MTDPART_OFS_APPEND,
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+ size: 10*128*1024
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+ },
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+ { name: "jffs",
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+ offset: MTDPART_OFS_APPEND,
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+ size: (8*1024*1024)-((384*1024)+(128*1024)+(10*128*1024)+(128*1024)),
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+ },
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+ { name: "nvram",
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+ offset: MTDPART_OFS_APPEND,
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+ size: 128*1024,
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+ mask_flags: MTD_WRITEABLE
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+ },
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+};
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+#endif
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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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+ printk(KERN_NOTICE
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+ "MTD erasesize: %d, Size: %d\n",
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+ mtd->erasesize, size);
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+
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+ for (off = (384*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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+ printk(KERN_NOTICE "Found TRX Header!\n");
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+
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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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+ /* boot loader */
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+ bcm947xx_parts[0].offset=0;
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+ bcm947xx_parts[0].size=384*1024;
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+
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+ /* nvram */
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+ bcm947xx_parts[3].offset = size - (128*1024);
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+ bcm947xx_parts[3].size = size - bcm947xx_parts[3].offset;
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+
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+ /* Size linux (kernel and rootfs) */
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+ bcm947xx_parts[1].offset = bcm947xx_parts[0].size;
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+ bcm947xx_parts[1].size = bcm947xx_parts[3].offset - bcm947xx_parts[1].offset;
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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[2].size = bcm947xx_parts[3].offset - bcm947xx_parts[2].offset;
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+ bcm947xx_parts[4].name = NULL;
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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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+ bcm947xx_parts[4].offset = bcm947xx_parts[2].offset + bcm947xx_parts[2].size;
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+ bcm947xx_parts[4].offset = ROUNDUP(bcm947xx_parts[4].offset, mtd->erasesize);
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+ bcm947xx_parts[4].size = bcm947xx_parts[3].offset - bcm947xx_parts[4].offset;
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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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+EXPORT_SYMBOL(init_mtd_partitions);
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+#endif
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+
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+int __init init_bcm947xx_map(void)
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+{
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+ bcm947xx_map.virt = (unsigned long)ioremap(WINDOW_ADDR, WINDOW_SIZE);
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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.virt = ioremap(WINDOW_ADDR, WINDOW_SIZE);
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+
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+ if (!bcm947xx_map.virt) {
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+ printk("Failed to ioremap\n");
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@ -13236,13 +13336,29 @@ diff -Nur linux-2.6.12.5/drivers/mtd/maps/bcm47xx-flash.c linux-2.6.12.5-brcm/dr
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+
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+ bcm947xx_mtd->owner = THIS_MODULE;
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+
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+ printk(KERN_NOTICE "flash device: %x at %x\n", bcm947xx_mtd->size, WINDOW_ADDR);
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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", bcm947xx_mtd->size, WINDOW_ADDR);
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+
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+#ifdef CONFIG_MTD_PARTITIONS
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+ return add_mtd_partitions(bcm947xx_mtd, bcm947xx_parts, sizeof(bcm947xx_parts)/sizeof(bcm947xx_parts[0]));
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+#else
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+ return 0;
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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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+ }
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+#endif
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+
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+ return 0;
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+
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+ fail:
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+ 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);
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+ bcm947xx_map.map_priv_1 = 0;
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+ return ret;
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+}
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+
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+void __exit cleanup_bcm947xx_map(void)
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@ -42,7 +42,7 @@ $(PKG_BUILD_DIR)/.built:
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$(IPKG_KMOD_SHFS):
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install -m0755 -d $(IDIR_KMOD_SHFS)/lib/modules/$(LINUX_VERSION)
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cp -fpR $(PKG_INSTALL_DIR)/lib/modules/$(LINUX_VERSION)/kernel/fs/shfs/shfs.o \
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cp -fpR $(PKG_INSTALL_DIR)/lib/modules/$(LINUX_VERSION)/kernel/fs/shfs/shfs.*o \
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$(IDIR_KMOD_SHFS)/lib/modules/$(LINUX_VERSION)/
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$(RSTRIP_KMOD) $(IDIR_KMOD_SHFS)
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$(IPKG_BUILD) $(IDIR_KMOD_SHFS) $(PACKAGE_DIR)
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