fix flash map driver for WAP54G v1, add support for Belkin F5D7230-4 serial flash and smaller bootloader, checked on WRT54GSv1.0, WRT54Gv2.2 and Asus WL500g, so that everything still works on supported devices

git-svn-id: svn://svn.openwrt.org/openwrt/trunk/openwrt@3507 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 0 insertions, 401 deletions

diff --git a/target/linux/brcm-2.4/patches/004-flash-map.patch b/target/linux/brcm-2.4/patches/004-flash-map.patch
deleted file mode 100644
index 06c106bdf0..0000000000
--- a/target/linux/brcm-2.4/patches/004-flash-map.patch
+++ /dev/null
@@ -1,401 +0,0 @@
-diff -Nur linux-2.4.32/drivers/mtd/maps/bcm947xx-flash.c linux-2.4.32-flash/drivers/mtd/maps/bcm947xx-flash.c
---- linux-2.4.32/drivers/mtd/maps/bcm947xx-flash.c	1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.4.32-flash/drivers/mtd/maps/bcm947xx-flash.c	2005-12-19 01:29:52.464670750 +0100
-@@ -0,0 +1,366 @@
-+/*
-+ *  Copyright (C) 2004 Florian Schirmer (jolt@tuxbox.org)
-+ *  Copyright (C) 2005 Waldemar Brodkorb <wbx@openwrt.org>
-+ *
-+ *  original functions for finding root filesystem from Mike Baker 
-+ *
-+ *  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 2004, 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.
-+ *
-+ * Flash mapping for BCM947XX boards
-+ *
-+ */
-+
-+#include <linux/module.h>
-+#include <linux/types.h>
-+#include <linux/kernel.h>
-+#include <asm/io.h>
-+#include <linux/mtd/mtd.h>
-+#include <linux/mtd/map.h>
-+#ifdef CONFIG_MTD_PARTITIONS
-+#include <linux/mtd/partitions.h>
-+#endif
-+#include <linux/config.h>
-+
-+#include <trxhdr.h>
-+
-+#define WINDOW_ADDR 0x1c000000
-+#define WINDOW_SIZE (0x400000*2)
-+#define BUSWIDTH 2
-+
-+static struct mtd_info *bcm947xx_mtd;
-+
-+__u8 bcm947xx_map_read8(struct map_info *map, unsigned long ofs)
-+{
-+	if (map->map_priv_2 == 1)
-+		return __raw_readb(map->map_priv_1 + ofs);
-+
-+	u16 val = __raw_readw(map->map_priv_1 + (ofs & ~1));
-+	if (ofs & 1)
-+		return ((val >> 8) & 0xff);
-+	else
-+		return (val & 0xff);
-+}
-+
-+__u16 bcm947xx_map_read16(struct map_info *map, unsigned long ofs)
-+{
-+	return __raw_readw(map->map_priv_1 + ofs);
-+}
-+
-+__u32 bcm947xx_map_read32(struct map_info *map, unsigned long ofs)
-+{
-+	return __raw_readl(map->map_priv_1 + ofs);
-+}
-+
-+void bcm947xx_map_copy_from(struct map_info *map, void *to, unsigned long from, ssize_t len)
-+{
-+	if (len==1) {
-+		memcpy_fromio(to, map->map_priv_1 + from, len);
-+	} else {
-+		int i;
-+		u16 *dest = (u16 *) to;
-+		u16 *src  = (u16 *) (map->map_priv_1 + from);
-+		for (i = 0; i < (len / 2); i++) {
-+			dest[i] = src[i];
-+		}
-+		if (len & 1)
-+			*((u8 *)dest+len-1) = src[i] & 0xff;
-+	}
-+}
-+
-+void bcm947xx_map_write8(struct map_info *map, __u8 d, unsigned long adr)
-+{
-+	__raw_writeb(d, map->map_priv_1 + adr);
-+	mb();
-+}
-+
-+void bcm947xx_map_write16(struct map_info *map, __u16 d, unsigned long adr)
-+{
-+	__raw_writew(d, map->map_priv_1 + adr);
-+	mb();
-+}
-+
-+void bcm947xx_map_write32(struct map_info *map, __u32 d, unsigned long adr)
-+{
-+	__raw_writel(d, map->map_priv_1 + adr);
-+	mb();
-+}
-+
-+void bcm947xx_map_copy_to(struct map_info *map, unsigned long to, const void *from, ssize_t len)
-+{
-+	memcpy_toio(map->map_priv_1 + to, from, len);
-+}
-+
-+struct map_info bcm947xx_map = {
-+	name: "Physically mapped flash",
-+	size: WINDOW_SIZE,
-+	buswidth: BUSWIDTH,
-+	read8: bcm947xx_map_read8,
-+	read16: bcm947xx_map_read16,
-+	read32: bcm947xx_map_read32,
-+	copy_from: bcm947xx_map_copy_from,
-+	write8: bcm947xx_map_write8,
-+	write16: bcm947xx_map_write16,
-+	write32: bcm947xx_map_write32,
-+	copy_to: bcm947xx_map_copy_to
-+};
-+
-+#ifdef CONFIG_MTD_PARTITIONS
-+
-+static struct mtd_partition bcm947xx_parts[] = {
-+	{ 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, },
-+};
-+
-+static int __init
-+find_cfe_size(struct mtd_info *mtd, size_t size)
-+{
-+	struct trx_header *trx;
-+	unsigned char buf[512];
-+	int off;
-+	size_t len;
-+	int cfe_size_flag;
-+
-+	trx = (struct trx_header *) buf;
-+
-+	cfe_size_flag=0;
-+
-+	for (off = (256*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) {
-+			goto done;
-+		}
-+		cfe_size_flag += 1;
-+	}
-+
-+	printk(KERN_NOTICE
-+	       "%s: Couldn't find bootloader size\n",
-+	       mtd->name);
-+	return -1;
-+
-+ done:
-+	printk(KERN_NOTICE "bootloader size flag: %d\n", cfe_size_flag);
-+	return cfe_size_flag;
-+
-+}
-+
-+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;
-+
-+	for (off = (256*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) {
-+			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)
-+{
-+
-+	int cfe_size_flag;
-+
-+	/* if cfe_size_flag=0, cfe size is 256 kb, else 384 kb */
-+	cfe_size_flag = find_cfe_size(mtd,size); 
-+
-+	/* boot loader */
-+	bcm947xx_parts[0].offset = 0;
-+	if (cfe_size_flag == 0) {
-+		bcm947xx_parts[0].size	 = 1024*256;
-+	} else {
-+		/* netgear wgt634u has 384 kb bootloader */
-+		bcm947xx_parts[0].size   = 1024*384;
-+	}
-+
-+	/* nvram */
-+	if (cfe_size_flag == 0) {
-+		bcm947xx_parts[3].offset = size - mtd->erasesize;
-+	} else {
-+		/* nvram (old 128kb config partition on netgear wgt634u) */
-+		bcm947xx_parts[3].offset = bcm947xx_parts[0].size;
-+	}
-+	bcm947xx_parts[3].size = mtd->erasesize;
-+
-+	/* linux (kernel and rootfs) */
-+	if (cfe_size_flag == 0) {
-+		bcm947xx_parts[1].offset = bcm947xx_parts[0].size;
-+		bcm947xx_parts[1].size   = bcm947xx_parts[3].offset - 
-+			bcm947xx_parts[1].offset;
-+	} else {
-+		/* do not count the elf loader, which is on one block */
-+		bcm947xx_parts[1].offset = bcm947xx_parts[0].size + 
-+			bcm947xx_parts[3].size + mtd->erasesize;
-+		bcm947xx_parts[1].size   = size - 
-+			bcm947xx_parts[0].size - 
-+			(2*bcm947xx_parts[3].size) - 
-+			mtd->erasesize;
-+	}
-+
-+	/* find and size rootfs */
-+	if (find_root(mtd,size,&bcm947xx_parts[2])==0) {
-+		/* entirely jffs2 */
-+		bcm947xx_parts[4].name = NULL;
-+		bcm947xx_parts[2].size = size - bcm947xx_parts[2].offset - 
-+				bcm947xx_parts[3].size;
-+	} else {
-+		/* legacy setup */
-+		/* calculate leftover flash, and assign it to the jffs2 partition */
-+		if (cfe_size_flag == 0) {
-+			bcm947xx_parts[4].offset = bcm947xx_parts[2].offset + 
-+				bcm947xx_parts[2].size;
-+			if ((bcm947xx_parts[4].offset % mtd->erasesize) > 0) {
-+				bcm947xx_parts[4].offset += mtd->erasesize - 
-+					(bcm947xx_parts[4].offset % mtd->erasesize);
-+			}
-+			bcm947xx_parts[4].size = bcm947xx_parts[3].offset - 
-+				bcm947xx_parts[4].offset;
-+		} else {
-+			bcm947xx_parts[4].offset = bcm947xx_parts[2].offset + 
-+				bcm947xx_parts[2].size;
-+			if ((bcm947xx_parts[4].offset % mtd->erasesize) > 0) {
-+				bcm947xx_parts[4].offset += mtd->erasesize - 
-+					(bcm947xx_parts[4].offset % mtd->erasesize);
-+			}
-+			bcm947xx_parts[4].size = size - bcm947xx_parts[3].size - 
-+				bcm947xx_parts[4].offset;
-+		}
-+	}
-+
-+	return bcm947xx_parts;
-+}
-+
-+#endif
-+
-+
-+mod_init_t init_bcm947xx_map(void)
-+{
-+	size_t size;
-+	int ret = 0;
-+#ifdef CONFIG_MTD_PARTITIONS
-+	struct mtd_partition *parts;
-+	int i;
-+#endif
-+
-+	bcm947xx_map.map_priv_1 = (unsigned long) ioremap(WINDOW_ADDR, WINDOW_SIZE);
-+
-+	if (!bcm947xx_map.map_priv_1) {
-+		printk(KERN_ERR "Failed to ioremap\n");
-+		return -EIO;
-+	}
-+
-+	if (!(bcm947xx_mtd = do_map_probe("cfi_probe", &bcm947xx_map))) {
-+		printk(KERN_ERR "pflash: cfi_probe failed\n");
-+		iounmap((void *)bcm947xx_map.map_priv_1);
-+		return -ENXIO;
-+	}
-+
-+	bcm947xx_mtd->module = THIS_MODULE;
-+
-+	size = bcm947xx_mtd->size;
-+
-+	printk(KERN_NOTICE "Flash device: 0x%x at 0x%x\n", size, WINDOW_ADDR);
-+
-+#ifdef CONFIG_MTD_PARTITIONS
-+	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;
-+}
-+
-+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);
-+	bcm947xx_map.map_priv_1 = 0;
-+}
-+
-+module_init(init_bcm947xx_map);
-+module_exit(cleanup_bcm947xx_map);
-diff -Nur linux-2.4.32/drivers/mtd/maps/Config.in linux-2.4.32-flash/drivers/mtd/maps/Config.in
---- 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
-@@ -48,6 +48,7 @@
- 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