From c343cde4928d4ba1ee1de82196b12b0ef97faa49 Mon Sep 17 00:00:00 2001 From: hauke Date: Thu, 17 May 2012 13:20:10 +0000 Subject: brcm47xx: remove support for kernel 3.2 git-svn-id: svn://svn.openwrt.org/openwrt/trunk@31771 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- .../025-mtd-bcm47xx-add-bcm47xx-part-parser.patch | 571 --------------------- 1 file changed, 571 deletions(-) delete mode 100644 target/linux/brcm47xx/patches-3.2/025-mtd-bcm47xx-add-bcm47xx-part-parser.patch (limited to 'target/linux/brcm47xx/patches-3.2/025-mtd-bcm47xx-add-bcm47xx-part-parser.patch') diff --git a/target/linux/brcm47xx/patches-3.2/025-mtd-bcm47xx-add-bcm47xx-part-parser.patch b/target/linux/brcm47xx/patches-3.2/025-mtd-bcm47xx-add-bcm47xx-part-parser.patch deleted file mode 100644 index 0904ec3d4..000000000 --- a/target/linux/brcm47xx/patches-3.2/025-mtd-bcm47xx-add-bcm47xx-part-parser.patch +++ /dev/null @@ -1,571 +0,0 @@ ---- a/drivers/mtd/Kconfig -+++ b/drivers/mtd/Kconfig -@@ -164,6 +164,13 @@ config MTD_MYLOADER_PARTS - You will still need the parsing functions to be called by the driver - for your particular device. It won't happen automatically. - -+config MTD_BCM47XX_PARTS -+ tristate "BCM47XX partitioning support" -+ default y -+ depends on BCM47XX -+ ---help--- -+ bcm47XX partitioning support -+ - comment "User Modules And Translation Layers" - - config MTD_CHAR ---- a/drivers/mtd/Makefile -+++ b/drivers/mtd/Makefile -@@ -12,6 +12,7 @@ obj-$(CONFIG_MTD_CMDLINE_PARTS) += cmdli - obj-$(CONFIG_MTD_AFS_PARTS) += afs.o - obj-$(CONFIG_MTD_AR7_PARTS) += ar7part.o - obj-$(CONFIG_MTD_MYLOADER_PARTS) += myloader.o -+obj-$(CONFIG_MTD_BCM47XX_PARTS) += bcm47xxpart.o - - # 'Users' - code which presents functionality to userspace. - obj-$(CONFIG_MTD_CHAR) += mtdchar.o ---- /dev/null -+++ b/drivers/mtd/bcm47xxpart.c -@@ -0,0 +1,542 @@ -+/* -+ * Copyright (C) 2006 Felix Fietkau -+ * Copyright (C) 2005 Waldemar Brodkorb -+ * Copyright (C) 2004 Florian Schirmer (jolt@tuxbox.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 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. -+ * -+ * Flash mapping for BCM947XX boards -+ */ -+ -+#define pr_fmt(fmt) "bcm47xx_part: " fmt -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+ -+ -+#define TRX_MAGIC 0x30524448 /* "HDR0" */ -+#define TRX_VERSION 1 -+#define TRX_MAX_LEN 0x3A0000 -+#define TRX_NO_HEADER 1 /* Do not write TRX header */ -+#define TRX_GZ_FILES 0x2 /* Contains up to TRX_MAX_OFFSET individual gzip files */ -+#define TRX_MAX_OFFSET 3 -+ -+struct trx_header { -+ u32 magic; /* "HDR0" */ -+ u32 len; /* Length of file including header */ -+ u32 crc32; /* 32-bit CRC from flag_version to end of file */ -+ u32 flag_version; /* 0:15 flags, 16:31 version */ -+ u32 offsets[TRX_MAX_OFFSET]; /* Offsets of partitions from start of header */ -+}; -+ -+/* for Edimax Print servers which use an additional header -+ * then the firmware on flash looks like : -+ * EDIMAX HEADER | TRX HEADER -+ * As this header is 12 bytes long we have to handle it -+ * and skip it to find the TRX header -+ */ -+#define EDIMAX_PS_HEADER_MAGIC 0x36315350 /* "PS16" */ -+#define EDIMAX_PS_HEADER_LEN 0xc /* 12 bytes long for edimax header */ -+ -+#define NVRAM_SPACE 0x8000 -+ -+#define ROUTER_NETGEAR_WGR614L 1 -+#define ROUTER_NETGEAR_WNR834B 2 -+#define ROUTER_NETGEAR_WNDR3300 3 -+#define ROUTER_NETGEAR_WNR3500L 4 -+#define ROUTER_SIMPLETECH_SIMPLESHARE 5 -+#define ROUTER_NETGEAR_WNDR3400 6 -+ -+static int -+find_cfe_size(struct mtd_info *mtd) -+{ -+ struct trx_header *trx; -+ unsigned char buf[512]; -+ int off; -+ size_t len; -+ int blocksize; -+ -+ trx = (struct trx_header *) buf; -+ -+ blocksize = mtd->erasesize; -+ if (blocksize < 0x10000) -+ blocksize = 0x10000; -+ -+ for (off = (128*1024); off < mtd->size; off += blocksize) { -+ memset(buf, 0xe5, sizeof(buf)); -+ -+ /* -+ * Read into buffer -+ */ -+ if (mtd->read(mtd, off, sizeof(buf), &len, buf) || -+ len != sizeof(buf)) -+ continue; -+ -+ if (le32_to_cpu(trx->magic) == EDIMAX_PS_HEADER_MAGIC) { -+ if (mtd->read(mtd, off + EDIMAX_PS_HEADER_LEN, -+ sizeof(buf), &len, buf) || len != sizeof(buf)) { -+ continue; -+ } else { -+ pr_notice("Found edimax header\n"); -+ } -+ } -+ -+ /* found a TRX header */ -+ if (le32_to_cpu(trx->magic) == TRX_MAGIC) -+ goto found; -+ } -+ -+ pr_notice("%s: Couldn't find bootloader size\n", mtd->name); -+ return -1; -+ -+ found: -+ pr_notice("bootloader size: %d\n", off); -+ return off; -+ -+} -+ -+/* -+ * Copied from mtdblock.c -+ * -+ * Cache stuff... -+ * -+ * Since typical flash erasable sectors are much larger than what Linux's -+ * buffer cache can handle, we must implement read-modify-write on flash -+ * sectors for each block write requests. To avoid over-erasing flash sectors -+ * and to speed things up, we locally cache a whole flash sector while it is -+ * being written to until a different sector is required. -+ */ -+ -+static void erase_callback(struct erase_info *done) -+{ -+ wait_queue_head_t *wait_q = (wait_queue_head_t *)done->priv; -+ wake_up(wait_q); -+} -+ -+static int erase_write(struct mtd_info *mtd, unsigned long pos, -+ int len, const char *buf) -+{ -+ struct erase_info erase; -+ DECLARE_WAITQUEUE(wait, current); -+ wait_queue_head_t wait_q; -+ size_t retlen; -+ int ret; -+ -+ /* -+ * First, let's erase the flash block. -+ */ -+ -+ init_waitqueue_head(&wait_q); -+ erase.mtd = mtd; -+ erase.callback = erase_callback; -+ erase.addr = pos; -+ erase.len = len; -+ erase.priv = (u_long)&wait_q; -+ -+ set_current_state(TASK_INTERRUPTIBLE); -+ add_wait_queue(&wait_q, &wait); -+ -+ ret = mtd->erase(mtd, &erase); -+ if (ret) { -+ set_current_state(TASK_RUNNING); -+ remove_wait_queue(&wait_q, &wait); -+ pr_warn("erase of region [0x%lx, 0x%x] on \"%s\" failed\n", -+ pos, len, mtd->name); -+ return ret; -+ } -+ -+ schedule(); /* Wait for erase to finish. */ -+ remove_wait_queue(&wait_q, &wait); -+ -+ /* -+ * Next, write data to flash. -+ */ -+ -+ ret = mtd->write(mtd, pos, len, &retlen, buf); -+ if (ret) -+ return ret; -+ if (retlen != len) -+ return -EIO; -+ return 0; -+} -+ -+ -+static int -+find_dual_image_off(struct mtd_info *mtd) -+{ -+ struct trx_header trx; -+ int off, blocksize; -+ size_t len; -+ -+ blocksize = mtd->erasesize; -+ if (blocksize < 0x10000) -+ blocksize = 0x10000; -+ -+ for (off = (128*1024); off < mtd->size; off += blocksize) { -+ memset(&trx, 0xe5, sizeof(trx)); -+ /* -+ * Read into buffer -+ */ -+ if (mtd->read(mtd, off, sizeof(trx), &len, (char *) &trx) || -+ len != sizeof(trx)) -+ continue; -+ /* found last TRX header */ -+ if (le32_to_cpu(trx.magic) == TRX_MAGIC) { -+ if (le32_to_cpu(trx.flag_version >> 16) == 2) { -+ pr_notice("dual image TRX header found\n"); -+ return mtd->size / 2; -+ } else { -+ return 0; -+ } -+ } -+ } -+ return 0; -+} -+ -+ -+static int -+find_root(struct mtd_info *mtd, struct mtd_partition *part) -+{ -+ struct trx_header trx, *trx2; -+ unsigned char buf[512], *block; -+ int off, blocksize, trxoff = 0; -+ u32 i, crc = ~0; -+ size_t len; -+ bool edimax = false; -+ -+ blocksize = mtd->erasesize; -+ if (blocksize < 0x10000) -+ blocksize = 0x10000; -+ -+ for (off = (128*1024); off < mtd->size; off += blocksize) { -+ memset(&trx, 0xe5, sizeof(trx)); -+ -+ /* -+ * Read into buffer -+ */ -+ if (mtd->read(mtd, off, sizeof(trx), &len, (char *) &trx) || -+ len != sizeof(trx)) -+ continue; -+ -+ /* found an edimax header */ -+ if (le32_to_cpu(trx.magic) == EDIMAX_PS_HEADER_MAGIC) { -+ /* read the correct trx header */ -+ if (mtd->read(mtd, off + EDIMAX_PS_HEADER_LEN, -+ sizeof(trx), &len, (char *) &trx) || -+ len != sizeof(trx)) { -+ continue; -+ } else { -+ pr_notice("Found an edimax ps header\n"); -+ edimax = true; -+ } -+ } -+ -+ /* 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; -+ if (edimax) { -+ off += EDIMAX_PS_HEADER_LEN; -+ trxoff = EDIMAX_PS_HEADER_LEN; -+ } -+ -+ goto found; -+ } -+ } -+ -+ pr_warn("%s: Couldn't find root filesystem\n", -+ mtd->name); -+ return -1; -+ -+ found: -+ pr_notice("TRX offset : %x\n", trxoff); -+ if (part->size == 0) -+ return 0; -+ -+ if (mtd->read(mtd, part->offset, sizeof(buf), &len, buf) || len != sizeof(buf)) -+ return 0; -+ -+ /* Move the fs outside of the trx */ -+ part->size = 0; -+ -+ if (trx.len != part->offset + part->size - off) { -+ /* Update the trx offsets and length */ -+ trx.len = part->offset + part->size - off; -+ -+ /* Update the trx crc32 */ -+ for (i = (u32) &(((struct trx_header *)NULL)->flag_version); i <= trx.len; i += sizeof(buf)) { -+ if (mtd->read(mtd, off + i, sizeof(buf), &len, buf) || len != sizeof(buf)) -+ return 0; -+ crc = crc32_le(crc, buf, min(sizeof(buf), trx.len - i)); -+ } -+ trx.crc32 = crc; -+ -+ /* read first eraseblock from the trx */ -+ block = kmalloc(mtd->erasesize, GFP_KERNEL); -+ trx2 = (struct trx_header *) block; -+ if (mtd->read(mtd, off - trxoff, mtd->erasesize, &len, block) || len != mtd->erasesize) { -+ pr_err("Error accessing the first trx eraseblock\n"); -+ return 0; -+ } -+ -+ pr_notice("Updating TRX offsets and length:\n"); -+ pr_notice("old trx = [0x%08x, 0x%08x, 0x%08x], len=0x%08x crc32=0x%08x\n", trx2->offsets[0], trx2->offsets[1], trx2->offsets[2], trx2->len, trx2->crc32); -+ pr_notice("new trx = [0x%08x, 0x%08x, 0x%08x], len=0x%08x crc32=0x%08x\n", trx.offsets[0], trx.offsets[1], trx.offsets[2], trx.len, trx.crc32); -+ -+ /* Write updated trx header to the flash */ -+ memcpy(block + trxoff, &trx, sizeof(trx)); -+ if (mtd->unlock) -+ mtd->unlock(mtd, off - trxoff, mtd->erasesize); -+ erase_write(mtd, off - trxoff, mtd->erasesize, block); -+ if (mtd->sync) -+ mtd->sync(mtd); -+ kfree(block); -+ pr_notice("Done\n"); -+ } -+ -+ return part->size; -+} -+ -+static int get_router(void) -+{ -+ char buf[20]; -+ u32 boardnum = 0; -+ u16 boardtype = 0; -+ u16 boardrev = 0; -+ u32 boardflags = 0; -+ u16 sdram_init = 0; -+ u16 cardbus = 0; -+ u16 strev = 0; -+ -+ if (nvram_getenv("boardnum", buf, sizeof(buf)) >= 0) -+ boardnum = simple_strtoul(buf, NULL, 0); -+ if (nvram_getenv("boardtype", buf, sizeof(buf)) >= 0) -+ boardtype = simple_strtoul(buf, NULL, 0); -+ if (nvram_getenv("boardrev", buf, sizeof(buf)) >= 0) -+ boardrev = simple_strtoul(buf, NULL, 0); -+ if (nvram_getenv("boardflags", buf, sizeof(buf)) >= 0) -+ boardflags = simple_strtoul(buf, NULL, 0); -+ if (nvram_getenv("sdram_init", buf, sizeof(buf)) >= 0) -+ sdram_init = simple_strtoul(buf, NULL, 0); -+ if (nvram_getenv("cardbus", buf, sizeof(buf)) >= 0) -+ cardbus = simple_strtoul(buf, NULL, 0); -+ if (nvram_getenv("st_rev", buf, sizeof(buf)) >= 0) -+ strev = simple_strtoul(buf, NULL, 0); -+ -+ if ((boardnum == 8 || boardnum == 01) -+ && boardtype == 0x0472 && cardbus == 1) { -+ /* Netgear WNR834B, Netgear WNR834Bv2 */ -+ return ROUTER_NETGEAR_WNR834B; -+ } -+ -+ if (boardnum == 01 && boardtype == 0x0472 && boardrev == 0x23) { -+ /* Netgear WNDR-3300 */ -+ return ROUTER_NETGEAR_WNDR3300; -+ } -+ -+ if ((boardnum == 83258 || boardnum == 01) -+ && boardtype == 0x048e -+ && (boardrev == 0x11 || boardrev == 0x10) -+ && boardflags == 0x750 -+ && sdram_init == 0x000A) { -+ /* Netgear WGR614v8/L/WW 16MB ram, cfe v1.3 or v1.5 */ -+ return ROUTER_NETGEAR_WGR614L; -+ } -+ -+ if ((boardnum == 1 || boardnum == 3500) -+ && boardtype == 0x04CF -+ && (boardrev == 0x1213 || boardrev == 02)) { -+ /* Netgear WNR3500v2/U/L */ -+ return ROUTER_NETGEAR_WNR3500L; -+ } -+ -+ if (boardnum == 1 && boardtype == 0xb4cf && boardrev == 0x1100) { -+ /* Netgear WNDR3400 */ -+ return ROUTER_NETGEAR_WNDR3400; -+ } -+ -+ if (boardtype == 0x042f -+ && boardrev == 0x10 -+ && boardflags == 0 -+ && strev == 0x11) { -+ /* Simpletech Simpleshare */ -+ return ROUTER_SIMPLETECH_SIMPLESHARE; -+ } -+ -+ return 0; -+} -+ -+static int parse_bcm47xx_partitions(struct mtd_info *mtd, -+ struct mtd_partition **pparts, -+ struct mtd_part_parser_data *data) -+{ -+ int cfe_size; -+ int dual_image_offset = 0; -+ /* e.g Netgear 0x003e0000-0x003f0000 : "board_data", we exclude this -+ * part from our mapping to prevent overwriting len/checksum on e.g. -+ * Netgear WGR614v8/L/WW -+ */ -+ int custom_data_size = 0; -+ struct mtd_partition *bcm47xx_parts; -+ -+ cfe_size = find_cfe_size(mtd); -+ if (cfe_size < 0) -+ return 0; -+ -+ bcm47xx_parts = kzalloc(sizeof(struct mtd_partition) * 6, GFP_KERNEL); -+ -+ bcm47xx_parts[0].name = "cfe"; -+ bcm47xx_parts[1].name = "linux"; -+ bcm47xx_parts[2].name = "rootfs"; -+ bcm47xx_parts[3].name = "nvram"; -+ -+ /* boot loader */ -+ bcm47xx_parts[0].mask_flags = MTD_WRITEABLE; -+ bcm47xx_parts[0].offset = 0; -+ bcm47xx_parts[0].size = cfe_size; -+ -+ /* nvram */ -+ if (cfe_size != 384 * 1024) { -+ -+ switch (get_router()) { -+ case ROUTER_NETGEAR_WGR614L: -+ case ROUTER_NETGEAR_WNR834B: -+ case ROUTER_NETGEAR_WNDR3300: -+ case ROUTER_NETGEAR_WNR3500L: -+ case ROUTER_NETGEAR_WNDR3400: -+ /* Netgear: checksum is @ 0x003AFFF8 for 4M flash or checksum -+ * is @ 0x007AFFF8 for 8M flash -+ */ -+ custom_data_size = mtd->erasesize; -+ -+ bcm47xx_parts[3].offset = mtd->size - roundup(NVRAM_SPACE, mtd->erasesize); -+ bcm47xx_parts[3].size = roundup(NVRAM_SPACE, mtd->erasesize); -+ -+ /* Place CFE board_data into a partition */ -+ bcm47xx_parts[4].name = "board_data"; -+ bcm47xx_parts[4].offset = bcm47xx_parts[3].offset - custom_data_size; -+ bcm47xx_parts[4].size = custom_data_size; -+ break; -+ -+ case ROUTER_SIMPLETECH_SIMPLESHARE: -+ /* Fixup Simpletech Simple share nvram */ -+ -+ pr_notice("Setting up simpletech nvram\n"); -+ custom_data_size = mtd->erasesize; -+ -+ bcm47xx_parts[3].offset = mtd->size - roundup(NVRAM_SPACE, mtd->erasesize) * 2; -+ bcm47xx_parts[3].size = roundup(NVRAM_SPACE, mtd->erasesize); -+ -+ /* Place backup nvram into a partition */ -+ bcm47xx_parts[4].name = "nvram_copy"; -+ bcm47xx_parts[4].offset = mtd->size - roundup(NVRAM_SPACE, mtd->erasesize); -+ bcm47xx_parts[4].size = roundup(NVRAM_SPACE, mtd->erasesize); -+ break; -+ -+ default: -+ bcm47xx_parts[3].offset = mtd->size - roundup(NVRAM_SPACE, mtd->erasesize); -+ bcm47xx_parts[3].size = roundup(NVRAM_SPACE, mtd->erasesize); -+ } -+ -+ } else { -+ /* nvram (old 128kb config partition on netgear wgt634u) */ -+ bcm47xx_parts[3].offset = bcm47xx_parts[0].size; -+ bcm47xx_parts[3].size = roundup(NVRAM_SPACE, mtd->erasesize); -+ } -+ -+ /* dual image offset*/ -+ pr_notice("Looking for dual image\n"); -+ dual_image_offset = find_dual_image_off(mtd); -+ /* linux (kernel and rootfs) */ -+ if (cfe_size != 384 * 1024) { -+ if (get_router() == ROUTER_SIMPLETECH_SIMPLESHARE) { -+ bcm47xx_parts[1].offset = bcm47xx_parts[0].size; -+ bcm47xx_parts[1].size = bcm47xx_parts[4].offset - dual_image_offset - -+ bcm47xx_parts[1].offset - custom_data_size; -+ } else { -+ bcm47xx_parts[1].offset = bcm47xx_parts[0].size; -+ bcm47xx_parts[1].size = bcm47xx_parts[3].offset - dual_image_offset - -+ bcm47xx_parts[1].offset - custom_data_size; -+ } -+ } else { -+ /* do not count the elf loader, which is on one block */ -+ bcm47xx_parts[1].offset = bcm47xx_parts[0].size + -+ bcm47xx_parts[3].size + mtd->erasesize; -+ bcm47xx_parts[1].size = mtd->size - -+ bcm47xx_parts[0].size - -+ (2*bcm47xx_parts[3].size) - -+ mtd->erasesize - custom_data_size; -+ } -+ -+ /* find and size rootfs */ -+ find_root(mtd, &bcm47xx_parts[2]); -+ bcm47xx_parts[2].size = mtd->size - dual_image_offset - -+ bcm47xx_parts[2].offset - -+ bcm47xx_parts[3].size - custom_data_size; -+ *pparts = bcm47xx_parts; -+ return bcm47xx_parts[4].name == NULL ? 4 : 5; -+} -+ -+static struct mtd_part_parser bcm47xx_parser = { -+ .owner = THIS_MODULE, -+ .parse_fn = parse_bcm47xx_partitions, -+ .name = "bcm47xx", -+}; -+ -+static int __init bcm47xx_parser_init(void) -+{ -+ return register_mtd_parser(&bcm47xx_parser); -+} -+ -+static void __exit bcm47xx_parser_exit(void) -+{ -+ deregister_mtd_parser(&bcm47xx_parser); -+} -+ -+module_init(bcm47xx_parser_init); -+module_exit(bcm47xx_parser_exit); -+ -+MODULE_LICENSE("GPL"); -+MODULE_DESCRIPTION("Parsing code for flash partitions on bcm47xx SoCs"); -- cgit v1.2.3