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add new flash map driver, jffs2 is found, squashfs not.

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk/openwrt@1829 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
wbx 2005-09-03 17:57:21 +00:00
parent 4e23b813a0
commit 13ada0b245
3 changed files with 163 additions and 47 deletions
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2
target/linux/image/brcm/Makefile
View File

@ -31,7 +31,7 @@ ifeq ($(KERNEL),2.6)
FSNAME:=$(patsubst jffs2-%,jffs2,$(FS))
$(BIN_DIR)/openwrt-wgt634u-2.6-$(FSNAME).bin: $(BIN_DIR)/openwrt-$(BOARD)-$(KERNEL)-$(FS).trx
dd if=$(BUILD_DIR)/loader-0.04/loader.o of=$@ bs=65536 conv=sync
dd if=$(BUILD_DIR)/loader.elf of=$@ bs=131072 conv=sync
cat $(BIN_DIR)/openwrt-$(BOARD)-$(KERNEL)-$(FS).trx >> $@
install: $(BIN_DIR)/openwrt-wgt634u-2.6-$(FSNAME).bin

206
target/linux/linux-2.6/patches/brcm/001-bcm947xx.patch
View File

@ -13123,14 +13123,45 @@ diff -Nur linux-2.6.12.5/drivers/mtd/maps/Makefile linux-2.6.12.5-brcm/drivers/m
obj-$(CONFIG_MTD_SBC_GXX) += sbc_gxx.o
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
--- linux-2.6.12.5/drivers/mtd/maps/bcm47xx-flash.c 1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.12.5-brcm/drivers/mtd/maps/bcm47xx-flash.c 2005-08-28 17:01:50.948899632 +0200
@@ -0,0 +1,131 @@
+++ linux-2.6.12.5-brcm/drivers/mtd/maps/bcm47xx-flash.c 2005-09-03 18:50:05.090478752 +0200
@@ -0,0 +1,247 @@
+/*
+ * Flash mapping for BCM947XX boards
+ * Copyright (C) 2004 Florian Schirmer (jolt@tuxbox.org)
+ * Copyright (C) 2005 Waldemar Brodkorb <wbx@openwrt.org>
+ *
+ * Copyright (C) 2001 Broadcom Corporation
+ * original functions for finding root filesystem from Mike Baker
+ *
+ * $Id: bcm47xx-flash.c,v 1.1 2004/10/21 07:18:31 jolt Exp $
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
+ * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ * Copyright 2001-2003, Broadcom Corporation
+ * All Rights Reserved.
+ *
+ * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY
+ * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM
+ * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE.
+ *
+ * $Id: bcm47xx-flash.c,v 1.1 2004/10/21 07:18:31 jolt Exp $
+ *
+ * Flash mapping for BCM947XX boards
+ */
+
+#include <linux/init.h>
@ -13142,6 +13173,14 @@ diff -Nur linux-2.6.12.5/drivers/mtd/maps/bcm47xx-flash.c linux-2.6.12.5-brcm/dr
+#include <linux/mtd/map.h>
+#include <linux/mtd/partitions.h>
+#include <linux/config.h>
+#include <typedefs.h>
+#include <bcmutils.h>
+#include <bcmnvram.h>
+#include <trxhdr.h>
+
+#ifdef CONFIG_MTD_PARTITIONS
+extern struct mtd_partition * init_mtd_partitions(struct mtd_info *mtd, size_t size);
+#endif
+
+#define WINDOW_ADDR 0x1c000000
+#define WINDOW_SIZE (0x400000*2)
@ -13176,49 +13215,110 @@ diff -Nur linux-2.6.12.5/drivers/mtd/maps/bcm47xx-flash.c linux-2.6.12.5-brcm/dr
+ phys: WINDOW_ADDR,
+};
+
+#define SECTORS *64*1024
+
+#ifdef CONFIG_MTD_PARTITIONS
+#if 0
+
+static struct mtd_partition bcm947xx_parts[] = {
+// 64 - 4 - 14 - 1 = 45 = 8 + 37
+ { name: "pmon", offset: 0, size: 4 SECTORS, mask_flags: MTD_WRITEABLE },
+ { name: "linux", offset: MTDPART_OFS_APPEND, size: 14 SECTORS },
+ { name: "rescue", offset: MTDPART_OFS_APPEND, size: 8 SECTORS },
+ { name: "rootfs", offset: MTDPART_OFS_APPEND, size: 37 SECTORS },
+ { name: "nvram", offset: MTDPART_OFS_APPEND, size: 1 SECTORS, mask_flags: MTD_WRITEABLE },
+ { name: "cfe", offset: 0, size: 0, mask_flags: MTD_WRITEABLE, },
+ { name: "linux", offset: 0, size: 0, },
+ { name: "rootfs", offset: 0, size: 0, },
+ { name: "nvram", offset: 0, size: 0, },
+ { name: "OpenWrt", offset: 0, size: 0, },
+ { name: NULL, },
+};
+#else
+static struct mtd_partition bcm947xx_parts[] = {
+ { name: "cfe",
+ offset: 0,
+ size: 384*1024,
+ mask_flags: MTD_WRITEABLE
+ },
+ { name: "config",
+ offset: MTDPART_OFS_APPEND,
+ size: 128*1024
+ },
+ { name: "linux",
+ offset: MTDPART_OFS_APPEND,
+ size: 10*128*1024
+ },
+ { name: "jffs",
+ offset: MTDPART_OFS_APPEND,
+ size: (8*1024*1024)-((384*1024)+(128*1024)+(10*128*1024)+(128*1024)),
+ },
+ { name: "nvram",
+ offset: MTDPART_OFS_APPEND,
+ size: 128*1024,
+ mask_flags: MTD_WRITEABLE
+ },
+};
+#endif
+
+static int __init
+find_root(struct mtd_info *mtd, size_t size, struct mtd_partition *part)
+{
+ struct trx_header *trx;
+ unsigned char buf[512];
+ int off;
+ size_t len;
+
+ trx = (struct trx_header *) buf;
+
+ printk(KERN_NOTICE
+ "MTD erasesize: %d, Size: %d\n",
+ mtd->erasesize, size);
+
+ for (off = (384*1024); off < size; off += mtd->erasesize) {
+ memset(buf, 0xe5, sizeof(buf));
+
+ /*
+ * Read into buffer
+ */
+ if (MTD_READ(mtd, off, sizeof(buf), &len, buf) ||
+ len != sizeof(buf))
+ continue;
+
+ /* found a TRX header */
+ if (le32_to_cpu(trx->magic) == TRX_MAGIC) {
+ printk(KERN_NOTICE "Found TRX Header!\n");
+
+ part->offset = le32_to_cpu(trx->offsets[2]) ? :
+ le32_to_cpu(trx->offsets[1]);
+ part->size = le32_to_cpu(trx->len);
+
+ part->size -= part->offset;
+ part->offset += off;
+
+ goto done;
+ }
+ }
+
+ printk(KERN_NOTICE
+ "%s: Couldn't find root filesystem\n",
+ mtd->name);
+ return -1;
+
+ done:
+ return part->size;
+}
+
+struct mtd_partition * __init
+init_mtd_partitions(struct mtd_info *mtd, size_t size)
+{
+
+ /* boot loader */
+ bcm947xx_parts[0].offset=0;
+ bcm947xx_parts[0].size=384*1024;
+
+ /* nvram */
+ bcm947xx_parts[3].offset = size - (128*1024);
+ bcm947xx_parts[3].size = size - bcm947xx_parts[3].offset;
+
+ /* Size linux (kernel and rootfs) */
+ bcm947xx_parts[1].offset = bcm947xx_parts[0].size;
+ bcm947xx_parts[1].size = bcm947xx_parts[3].offset - bcm947xx_parts[1].offset;
+
+ /* Find and size rootfs */
+ if (find_root(mtd,size,&bcm947xx_parts[2])==0) {
+ /* entirely jffs2 */
+ bcm947xx_parts[2].size = bcm947xx_parts[3].offset - bcm947xx_parts[2].offset;
+ bcm947xx_parts[4].name = NULL;
+ } else {
+ /* legacy setup */
+ /* calculate leftover flash, and assign it to the jffs2 partition */
+ bcm947xx_parts[4].offset = bcm947xx_parts[2].offset + bcm947xx_parts[2].size;
+ bcm947xx_parts[4].offset = ROUNDUP(bcm947xx_parts[4].offset, mtd->erasesize);
+ bcm947xx_parts[4].size = bcm947xx_parts[3].offset - bcm947xx_parts[4].offset;
+ }
+
+ return bcm947xx_parts;
+}
+
+EXPORT_SYMBOL(init_mtd_partitions);
+#endif
+
+int __init init_bcm947xx_map(void)
+{
+ bcm947xx_map.virt = (unsigned long)ioremap(WINDOW_ADDR, WINDOW_SIZE);
+ size_t size;
+ int ret = 0;
+#ifdef CONFIG_MTD_PARTITIONS
+ struct mtd_partition *parts;
+ int i;
+#endif
+
+ bcm947xx_map.virt = ioremap(WINDOW_ADDR, WINDOW_SIZE);
+
+ if (!bcm947xx_map.virt) {
+ printk("Failed to ioremap\n");
@ -13236,13 +13336,29 @@ diff -Nur linux-2.6.12.5/drivers/mtd/maps/bcm47xx-flash.c linux-2.6.12.5-brcm/dr
+
+ bcm947xx_mtd->owner = THIS_MODULE;
+
+ printk(KERN_NOTICE "flash device: %x at %x\n", bcm947xx_mtd->size, WINDOW_ADDR);
+ size = bcm947xx_mtd->size;
+
+ printk(KERN_NOTICE "Flash device: 0x%x at 0x%x\n", bcm947xx_mtd->size, WINDOW_ADDR);
+
+#ifdef CONFIG_MTD_PARTITIONS
+ return add_mtd_partitions(bcm947xx_mtd, bcm947xx_parts, sizeof(bcm947xx_parts)/sizeof(bcm947xx_parts[0]));
+#else
+ return 0;
+ parts = init_mtd_partitions(bcm947xx_mtd, size);
+ for (i = 0; parts[i].name; i++);
+ ret = add_mtd_partitions(bcm947xx_mtd, parts, i);
+ if (ret) {
+ printk(KERN_ERR "Flash: add_mtd_partitions failed\n");
+ goto fail;
+ }
+#endif
+
+ return 0;
+
+ fail:
+ if (bcm947xx_mtd)
+ map_destroy(bcm947xx_mtd);
+ if (bcm947xx_map.map_priv_1)
+ iounmap((void *) bcm947xx_map.map_priv_1);
+ bcm947xx_map.map_priv_1 = 0;
+ return ret;
+}
+
+void __exit cleanup_bcm947xx_map(void)

2
target/linux/package/shfs/Makefile
View File

@ -42,7 +42,7 @@ $(PKG_BUILD_DIR)/.built:
$(IPKG_KMOD_SHFS):
install -m0755 -d $(IDIR_KMOD_SHFS)/lib/modules/$(LINUX_VERSION)
cp -fpR $(PKG_INSTALL_DIR)/lib/modules/$(LINUX_VERSION)/kernel/fs/shfs/shfs.o \
cp -fpR $(PKG_INSTALL_DIR)/lib/modules/$(LINUX_VERSION)/kernel/fs/shfs/shfs.*o \
$(IDIR_KMOD_SHFS)/lib/modules/$(LINUX_VERSION)/
$(RSTRIP_KMOD) $(IDIR_KMOD_SHFS)
$(IPKG_BUILD) $(IDIR_KMOD_SHFS) $(PACKAGE_DIR)