diff options
Diffstat (limited to 'openwrt/target/linux/brcm-2.4/patches/004-flash-map.patch')
| -rw-r--r-- | openwrt/target/linux/brcm-2.4/patches/004-flash-map.patch | 401 |
1 files changed, 0 insertions, 401 deletions
diff --git a/openwrt/target/linux/brcm-2.4/patches/004-flash-map.patch b/openwrt/target/linux/brcm-2.4/patches/004-flash-map.patch deleted file mode 100644 index 06c106bdf..000000000 --- a/openwrt/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 |