brcm47xx: add support for kernel 3.6

This is based on the patch by Peter Wagner.


git-svn-id: svn://svn.openwrt.org/openwrt/trunk@34252 3c298f89-4303-0410-b956-a3cf2f4a3e73

44 files changed, 7700 insertions, 0 deletions

diff --git a/target/linux/brcm47xx/config-3.6 b/target/linux/brcm47xx/config-3.6
new file mode 100644
index 0000000000..278e58cf0f
--- /dev/null
+++ b/target/linux/brcm47xx/config-3.6
@@ -0,0 +1,148 @@
+CONFIG_ARCH_BINFMT_ELF_RANDOMIZE_PIE=y
+CONFIG_ARCH_DISCARD_MEMBLOCK=y
+CONFIG_ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE=y
+CONFIG_ARCH_HAVE_CUSTOM_GPIO_H=y
+CONFIG_ARCH_HIBERNATION_POSSIBLE=y
+CONFIG_ARCH_REQUIRE_GPIOLIB=y
+CONFIG_ARCH_SUSPEND_POSSIBLE=y
+CONFIG_ARCH_WANT_IPC_PARSE_VERSION=y
+# CONFIG_ARPD is not set
+CONFIG_B44=y
+CONFIG_B44_PCI=y
+CONFIG_B44_PCICORE_AUTOSELECT=y
+CONFIG_B44_PCI_AUTOSELECT=y
+CONFIG_BCM47XX=y
+CONFIG_BCM47XX_BCMA=y
+CONFIG_BCM47XX_SSB=y
+CONFIG_BCM47XX_WDT=y
+CONFIG_BCMA=y
+CONFIG_BCMA_BLOCKIO=y
+CONFIG_BCMA_DEBUG=y
+CONFIG_BCMA_DRIVER_GMAC_CMN=y
+CONFIG_BCMA_DRIVER_MIPS=y
+CONFIG_BCMA_DRIVER_PCI_HOSTMODE=y
+CONFIG_BCMA_HOST_PCI=y
+CONFIG_BCMA_HOST_PCI_POSSIBLE=y
+CONFIG_BCMA_HOST_SOC=y
+CONFIG_BCMA_NFLASH=y
+CONFIG_BCMA_POSSIBLE=y
+CONFIG_BCMA_SFLASH=y
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
+CONFIG_CEVT_R4K=y
+CONFIG_CEVT_R4K_LIB=y
+CONFIG_CFE=y
+CONFIG_CMDLINE="root=/dev/mtdblock2 rootfstype=squashfs,jffs2 noinitrd console=ttyS0,115200"
+CONFIG_CMDLINE_BOOL=y
+# CONFIG_CMDLINE_OVERRIDE is not set
+CONFIG_CPU_HAS_PREFETCH=y
+CONFIG_CPU_HAS_SYNC=y
+CONFIG_CPU_LITTLE_ENDIAN=y
+CONFIG_CPU_MIPS32=y
+CONFIG_CPU_MIPS32_R1=y
+# CONFIG_CPU_MIPS32_R2 is not set
+CONFIG_CPU_MIPSR1=y
+CONFIG_CPU_SUPPORTS_32BIT_KERNEL=y
+CONFIG_CPU_SUPPORTS_HIGHMEM=y
+CONFIG_CSRC_R4K=y
+CONFIG_CSRC_R4K_LIB=y
+CONFIG_DECOMPRESS_LZMA=y
+CONFIG_DMA_NONCOHERENT=y
+CONFIG_GENERIC_ATOMIC64=y
+CONFIG_GENERIC_CLOCKEVENTS=y
+CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
+CONFIG_GENERIC_CMOS_UPDATE=y
+CONFIG_GENERIC_GPIO=y
+CONFIG_GENERIC_IO=y
+CONFIG_GENERIC_IRQ_SHOW=y
+CONFIG_GENERIC_PCI_IOMAP=y
+CONFIG_GENERIC_SMP_IDLE_THREAD=y
+CONFIG_GPIOLIB=y
+CONFIG_GPIO_SYSFS=y
+CONFIG_HARDWARE_WATCHPOINTS=y
+CONFIG_HAS_DMA=y
+CONFIG_HAS_IOMEM=y
+CONFIG_HAS_IOPORT=y
+CONFIG_HAVE_ARCH_JUMP_LABEL=y
+CONFIG_HAVE_ARCH_KGDB=y
+CONFIG_HAVE_C_RECORDMCOUNT=y
+CONFIG_HAVE_DMA_API_DEBUG=y
+CONFIG_HAVE_DMA_ATTRS=y
+CONFIG_HAVE_DYNAMIC_FTRACE=y
+CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y
+CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y
+CONFIG_HAVE_FUNCTION_TRACER=y
+CONFIG_HAVE_FUNCTION_TRACE_MCOUNT_TEST=y
+CONFIG_HAVE_GENERIC_DMA_COHERENT=y
+CONFIG_HAVE_GENERIC_HARDIRQS=y
+CONFIG_HAVE_IDE=y
+CONFIG_HAVE_IRQ_WORK=y
+CONFIG_HAVE_MEMBLOCK=y
+CONFIG_HAVE_MEMBLOCK_NODE_MAP=y
+CONFIG_HAVE_OPROFILE=y
+CONFIG_HAVE_PERF_EVENTS=y
+CONFIG_HW_HAS_PCI=y
+CONFIG_HW_RANDOM=y
+CONFIG_HZ=250
+# CONFIG_HZ_100 is not set
+CONFIG_HZ_250=y
+CONFIG_IMAGE_CMDLINE_HACK=y
+CONFIG_INITRAMFS_SOURCE=""
+# CONFIG_IP_ROUTE_VERBOSE is not set
+CONFIG_IRQ_CPU=y
+CONFIG_IRQ_FORCED_THREADING=y
+CONFIG_MDIO_BOARDINFO=y
+CONFIG_MIPS=y
+CONFIG_MIPS_L1_CACHE_SHIFT=5
+# CONFIG_MIPS_MACHINE is not set
+CONFIG_MIPS_MT_DISABLED=y
+CONFIG_MTD_BCM47XX_PARTS=y
+CONFIG_MTD_BCM47XX_PFLASH=y
+CONFIG_MTD_BCM47XX_SFLASH=y
+CONFIG_MTD_NAND=y
+CONFIG_MTD_NAND_BCM47XX=y
+CONFIG_MTD_NAND_ECC=y
+# CONFIG_MTD_SM_COMMON is not set
+CONFIG_NEED_DMA_MAP_STATE=y
+CONFIG_NEED_PER_CPU_KM=y
+CONFIG_NO_EXCEPT_FILL=y
+CONFIG_NO_GENERIC_PCI_IOPORT_MAP=y
+CONFIG_PAGEFLAGS_EXTENDED=y
+CONFIG_PCI=y
+CONFIG_PCI_DISABLE_COMMON_QUIRKS=y
+CONFIG_PCI_DOMAINS=y
+CONFIG_PERF_USE_VMALLOC=y
+CONFIG_PHYLIB=y
+# CONFIG_PREEMPT_RCU is not set
+# CONFIG_SCSI_DMA is not set
+# CONFIG_SERIAL_8250_DETECT_IRQ is not set
+CONFIG_SERIAL_8250_EXTENDED=y
+# CONFIG_SERIAL_8250_MANY_PORTS is not set
+# CONFIG_SERIAL_8250_RSA is not set
+CONFIG_SERIAL_8250_SHARE_IRQ=y
+CONFIG_SSB=y
+CONFIG_SSB_B43_PCI_BRIDGE=y
+CONFIG_SSB_BLOCKIO=y
+CONFIG_SSB_DEBUG=y
+CONFIG_SSB_DRIVER_EXTIF=y
+CONFIG_SSB_DRIVER_GIGE=y
+CONFIG_SSB_DRIVER_MIPS=y
+CONFIG_SSB_DRIVER_PCICORE=y
+CONFIG_SSB_DRIVER_PCICORE_POSSIBLE=y
+CONFIG_SSB_EMBEDDED=y
+CONFIG_SSB_PCICORE_HOSTMODE=y
+CONFIG_SSB_PCIHOST=y
+CONFIG_SSB_PCIHOST_POSSIBLE=y
+CONFIG_SSB_SERIAL=y
+CONFIG_SSB_SFLASH=y
+CONFIG_SSB_SPROM=y
+CONFIG_SYS_HAS_CPU_MIPS32_R1=y
+CONFIG_SYS_HAS_CPU_MIPS32_R2=y
+CONFIG_SYS_SUPPORTS_32BIT_KERNEL=y
+CONFIG_SYS_SUPPORTS_ARBIT_HZ=y
+CONFIG_SYS_SUPPORTS_LITTLE_ENDIAN=y
+CONFIG_USB_ARCH_HAS_XHCI=y
+# CONFIG_USB_HCD_BCMA is not set
+# CONFIG_USB_HCD_SSB is not set
+CONFIG_USB_SUPPORT=y
+CONFIG_WATCHDOG_NOWAYOUT=y
+CONFIG_ZONE_DMA_FLAG=0
diff --git a/target/linux/brcm47xx/patches-3.6/050-mtd-add-bcm47xx-part-parser.patch b/target/linux/brcm47xx/patches-3.6/050-mtd-add-bcm47xx-part-parser.patch
new file mode 100644
index 0000000000..61e8838c0d
--- /dev/null
+++ b/target/linux/brcm47xx/patches-3.6/050-mtd-add-bcm47xx-part-parser.patch
@@ -0,0 +1,570 @@
+--- a/drivers/mtd/Kconfig
++++ b/drivers/mtd/Kconfig
+@@ -172,6 +172,13 @@ 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
+@@ -13,6 +13,7 @@ obj-$(CONFIG_MTD_AFS_PARTS)	+= afs.o
+ obj-$(CONFIG_MTD_AR7_PARTS)	+= ar7part.o
+ obj-$(CONFIG_MTD_BCM63XX_PARTS)	+= bcm63xxpart.o
+ obj-$(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 +1,541 @@
++/*
++ *  Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org>
++ *  Copyright (C) 2005 Waldemar Brodkorb <wbx@openwrt.org>
++ *  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 <linux/init.h>
++#include <linux/module.h>
++#include <linux/types.h>
++#include <linux/kernel.h>
++#include <linux/sched.h>
++#include <linux/wait.h>
++#include <linux/mtd/mtd.h>
++#include <linux/mtd/partitions.h>
++#include <linux/crc32.h>
++#include <linux/io.h>
++#include <asm/mach-bcm47xx/nvram.h>
++#include <asm/mach-bcm47xx/bcm47xx.h>
++#include <asm/fw/cfe/cfe_api.h>
++
++
++#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);
++		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");
diff --git a/target/linux/brcm47xx/patches-3.6/051-mtd-add-parallel-flash-driver.patch b/target/linux/brcm47xx/patches-3.6/051-mtd-add-parallel-flash-driver.patch
new file mode 100644
index 0000000000..f28b6969a6
--- /dev/null
+++ b/target/linux/brcm47xx/patches-3.6/051-mtd-add-parallel-flash-driver.patch
@@ -0,0 +1,224 @@
+--- a/drivers/mtd/maps/Kconfig
++++ b/drivers/mtd/maps/Kconfig
+@@ -249,6 +249,15 @@ config MTD_LANTIQ
+ 	help
+ 	  Support for NOR flash attached to the Lantiq SoC's External Bus Unit.
+ 
++config MTD_BCM47XX_PFLASH
++	tristate "bcm47xx parallel flash support"
++	default y
++	depends on BCM47XX
++	select MTD_PARTITIONS
++	select MTD_BCM47XX_PARTS
++	help
++	  Support for bcm47xx parallel flash
++
+ config MTD_DILNETPC
+ 	tristate "CFI Flash device mapped on DIL/Net PC"
+ 	depends on X86 && MTD_CFI_INTELEXT && BROKEN
+--- a/drivers/mtd/maps/Makefile
++++ b/drivers/mtd/maps/Makefile
+@@ -57,3 +57,4 @@ obj-$(CONFIG_MTD_VMU)		+= vmu-flash.o
+ obj-$(CONFIG_MTD_GPIO_ADDR)	+= gpio-addr-flash.o
+ obj-$(CONFIG_MTD_LATCH_ADDR)	+= latch-addr-flash.o
+ obj-$(CONFIG_MTD_LANTIQ)	+= lantiq-flash.o
++obj-$(CONFIG_MTD_BCM47XX_PFLASH)+= bcm47xx-pflash.o
+--- /dev/null
++++ b/drivers/mtd/maps/bcm47xx-pflash.c
+@@ -0,0 +1,196 @@
++/*
++ *  Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org>
++ *  Copyright (C) 2005 Waldemar Brodkorb <wbx@openwrt.org>
++ *  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_pflash: " fmt
++#include <linux/init.h>
++#include <linux/module.h>
++#include <linux/types.h>
++#include <linux/kernel.h>
++#include <linux/sched.h>
++#include <linux/mtd/mtd.h>
++#include <linux/mtd/map.h>
++#include <linux/mtd/partitions.h>
++#include <linux/io.h>
++#include <asm/mach-bcm47xx/bcm47xx.h>
++#include <linux/platform_device.h>
++
++#define WINDOW_ADDR 0x1fc00000
++#define WINDOW_SIZE 0x400000
++#define BUSWIDTH 2
++
++static struct mtd_info *bcm47xx_mtd;
++
++static void bcm47xx_map_copy_from(struct map_info *map, void *to, unsigned long from, ssize_t len)
++{
++	if (len == 1) {
++		memcpy_fromio(to, map->virt + from, len);
++	} else {
++		int i;
++		u16 *dest = (u16 *) to;
++		u16 *src  = (u16 *) (map->virt + from);
++		for (i = 0; i < (len / 2); i++)
++			dest[i] = src[i];
++		if (len & 1)
++			*((u8 *)dest+len-1) = src[i] & 0xff;
++	}
++}
++
++static struct map_info bcm47xx_map = {
++	name: "Physically mapped flash",
++	size : WINDOW_SIZE,
++	bankwidth : BUSWIDTH,
++	phys : WINDOW_ADDR,
++};
++
++static const char *probes[] = { "bcm47xx", NULL };
++
++static int bcm47xx_pflash_probe(struct platform_device *pdev)
++{
++#ifdef CONFIG_BCM47XX_SSB
++	struct ssb_mipscore *ssb_mcore;
++#endif
++#ifdef CONFIG_BCM47XX_BCMA
++	struct bcma_drv_cc *bcma_cc;
++#endif
++	int ret = 0;
++
++	switch (bcm47xx_bus_type) {
++#ifdef CONFIG_BCM47XX_SSB
++	case BCM47XX_BUS_TYPE_SSB:
++		ssb_mcore = &bcm47xx_bus.ssb.mipscore;
++		if (!ssb_mcore->pflash.present)
++			return -ENODEV;
++
++		bcm47xx_map.phys = ssb_mcore->pflash.window;
++		bcm47xx_map.size = ssb_mcore->pflash.window_size;
++		bcm47xx_map.bankwidth = ssb_mcore->pflash.buswidth;
++		break;
++#endif
++#ifdef CONFIG_BCM47XX_BCMA
++	case BCM47XX_BUS_TYPE_BCMA:
++		bcma_cc = &bcm47xx_bus.bcma.bus.drv_cc;
++		if (!bcma_cc->pflash.present)
++			return -ENODEV;
++
++		bcm47xx_map.phys = bcma_cc->pflash.window;
++		bcm47xx_map.size = bcma_cc->pflash.window_size;
++		bcm47xx_map.bankwidth = bcma_cc->pflash.buswidth;
++		break;
++#endif
++	}
++
++	pr_notice("flash init: 0x%08x 0x%08lx\n", bcm47xx_map.phys, bcm47xx_map.size);
++	bcm47xx_map.virt = ioremap_nocache(bcm47xx_map.phys, bcm47xx_map.size);
++
++	if (!bcm47xx_map.virt) {
++		pr_err("Failed to ioremap\n");
++		return -EIO;
++	}
++
++	simple_map_init(&bcm47xx_map);
++	/* override copy_from routine */
++	bcm47xx_map.copy_from = bcm47xx_map_copy_from;
++
++	bcm47xx_mtd = do_map_probe("cfi_probe", &bcm47xx_map);
++	if (!bcm47xx_mtd) {
++		pr_err("Failed to do_map_probe\n");
++		ret = -ENXIO;
++		goto err_unmap;
++	}
++	bcm47xx_mtd->owner = THIS_MODULE;
++
++	pr_notice("Flash device: 0x%lx at 0x%x\n", bcm47xx_map.size, WINDOW_ADDR);
++
++	ret = mtd_device_parse_register(bcm47xx_mtd, probes, NULL, NULL, 0);
++
++	if (ret) {
++		pr_err("Flash: mtd_device_register failed\n");
++		goto err_destroy;
++	}
++	return 0;
++
++err_destroy:
++	map_destroy(bcm47xx_mtd);
++err_unmap:
++	iounmap(bcm47xx_map.virt);
++	return ret;
++}
++
++static int __devexit bcm47xx_pflash_remove(struct platform_device *pdev)
++{
++	mtd_device_unregister(bcm47xx_mtd);
++	map_destroy(bcm47xx_mtd);
++	iounmap(bcm47xx_map.virt);
++	return 0;
++}
++
++static const struct platform_device_id bcm47xx_pflash_table[] = {
++	{ "bcm47xx-pflash", 0 },
++	{ }
++};
++MODULE_DEVICE_TABLE(platform, bcm47xx_pflash_table);
++
++static struct platform_driver bcm47xx_pflash_driver = {
++	.id_table	= bcm47xx_pflash_table,
++	.probe	= bcm47xx_pflash_probe,
++	.remove	= __devexit_p(bcm47xx_pflash_remove),
++	.driver	= {
++		.name = "bcm47xx-pflash",
++		.owner = THIS_MODULE,
++	},
++};
++
++static int __init init_bcm47xx_pflash(void)
++{
++	int ret = platform_driver_register(&bcm47xx_pflash_driver);
++
++	if (ret)
++		pr_err("error registering platform driver: %i\n", ret);
++	return ret;
++}
++
++static void __exit exit_bcm47xx_pflash(void)
++{
++	platform_driver_unregister(&bcm47xx_pflash_driver);
++}
++
++module_init(init_bcm47xx_pflash);
++module_exit(exit_bcm47xx_pflash);
++
++MODULE_LICENSE("GPL");
++MODULE_DESCRIPTION("BCM47XX parallel flash driver");
diff --git a/target/linux/brcm47xx/patches-3.6/052-mtd-add-serial-flash-driver.patch b/target/linux/brcm47xx/patches-3.6/052-mtd-add-serial-flash-driver.patch
new file mode 100644
index 0000000000..1d7b92739f
--- /dev/null
+++ b/target/linux/brcm47xx/patches-3.6/052-mtd-add-serial-flash-driver.patch
@@ -0,0 +1,335 @@
+--- a/drivers/mtd/maps/Kconfig
++++ b/drivers/mtd/maps/Kconfig
+@@ -258,6 +258,15 @@ config MTD_BCM47XX_PFLASH
+ 	help
+ 	  Support for bcm47xx parallel flash
+ 
++config MTD_BCM47XX_SFLASH
++	tristate "bcm47xx serial flash support"
++	default y
++	depends on BCM47XX
++	select MTD_PARTITIONS
++	select MTD_BCM47XX_PARTS
++	help
++	  Support for bcm47xx parallel flash
++
+ config MTD_DILNETPC
+ 	tristate "CFI Flash device mapped on DIL/Net PC"
+ 	depends on X86 && MTD_CFI_INTELEXT && BROKEN
+--- a/drivers/mtd/maps/Makefile
++++ b/drivers/mtd/maps/Makefile
+@@ -58,3 +58,4 @@ obj-$(CONFIG_MTD_GPIO_ADDR)	+= gpio-addr
+ obj-$(CONFIG_MTD_LATCH_ADDR)	+= latch-addr-flash.o
+ obj-$(CONFIG_MTD_LANTIQ)	+= lantiq-flash.o
+ obj-$(CONFIG_MTD_BCM47XX_PFLASH)+= bcm47xx-pflash.o
++obj-$(CONFIG_MTD_BCM47XX_SFLASH)+= bcm47xx-sflash.o
+--- /dev/null
++++ b/drivers/mtd/maps/bcm47xx-sflash.c
+@@ -0,0 +1,270 @@
++/*
++ * Broadcom SiliconBackplane chipcommon serial flash interface
++ *
++ * Copyright 2011, 2012, Hauke Mehrtens <hauke@hauke-m.de>
++ * Copyright 2006, Broadcom Corporation
++ * All Rights Reserved.
++ *
++ * Licensed under the GNU/GPL. See COPYING for details.
++ */
++
++#define pr_fmt(fmt) "bcm47xx_sflash: " fmt
++#include <linux/module.h>
++#include <linux/slab.h>
++#include <linux/ioport.h>
++#include <linux/sched.h>
++#include <linux/mtd/mtd.h>
++#include <linux/mtd/map.h>
++#include <linux/mtd/partitions.h>
++#include <linux/errno.h>
++#include <linux/delay.h>
++#include <linux/platform_device.h>
++#include <linux/mtd/bcm47xx_sflash.h>
++
++static int
++sflash_mtd_poll(struct bcm47xx_sflash *sflash, unsigned int offset, int timeout)
++{
++	unsigned long now = jiffies;
++
++	for (;;) {
++		if (!sflash->poll(sflash, offset)) {
++			break;
++		}
++		if (time_after(jiffies, now + timeout)) {
++			pr_err("timeout while polling\n");
++			return -ETIMEDOUT;
++
++		}
++		cpu_relax();
++		udelay(1);
++	}
++
++	return 0;
++}
++
++static int
++sflash_mtd_read(struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf)
++{
++	struct bcm47xx_sflash *sflash = (struct bcm47xx_sflash *)mtd->priv;
++
++	/* Check address range */
++	if (!len)
++		return 0;
++
++	if ((from + len) > mtd->size)
++		return -EINVAL;
++
++	*retlen = 0;
++	while (len) {
++		int ret = sflash->read(sflash, from, len, buf);
++		if (ret < 0)
++			return ret;
++
++		from += (loff_t) ret;
++		len -= ret;
++		buf += ret;
++		*retlen += ret;
++	}
++
++	return 0;
++}
++
++static int
++sflash_mtd_write(struct mtd_info *mtd, loff_t to, size_t len, size_t *retlen, const u_char *buf)
++{
++	int bytes;
++	int ret;
++	struct bcm47xx_sflash *sflash = (struct bcm47xx_sflash *)mtd->priv;
++
++	/* Check address range */
++	if (!len)
++		return 0;
++
++	if ((to + len) > mtd->size)
++		return -EINVAL;
++
++	*retlen = 0;
++	while (len) {
++		ret = sflash->write(sflash, to, len, buf);
++		if (ret < 0)
++			return ret;
++
++		bytes = ret;
++
++		ret = sflash_mtd_poll(sflash, (unsigned int) to, HZ / 10);
++		if (ret)
++			return ret;
++
++		to += (loff_t) bytes;
++		len -= bytes;
++		buf += bytes;
++		*retlen += bytes;
++	}
++
++	return 0;
++}
++
++static int
++sflash_mtd_erase(struct mtd_info *mtd, struct erase_info *erase)
++{
++	struct bcm47xx_sflash *sflash = (struct bcm47xx_sflash *) mtd->priv;
++	int i, j, ret = 0;
++	unsigned int addr, len;
++
++	/* Check address range */
++	if (!erase->len)
++		return 0;
++	if ((erase->addr + erase->len) > mtd->size)
++		return -EINVAL;
++
++	addr = erase->addr;
++	len = erase->len;
++
++	/* Ensure that requested regions are aligned */
++	for (i = 0; i < mtd->numeraseregions; i++) {
++		for (j = 0; j < mtd->eraseregions[i].numblocks; j++) {
++			if (addr == mtd->eraseregions[i].offset +
++					mtd->eraseregions[i].erasesize * j &&
++			    len >= mtd->eraseregions[i].erasesize) {
++				ret = sflash->erase(sflash, addr);
++				if (ret < 0)
++					break;
++				ret = sflash_mtd_poll(sflash, addr, 10 * HZ);
++				if (ret)
++					break;
++				addr += mtd->eraseregions[i].erasesize;
++				len -= mtd->eraseregions[i].erasesize;
++			}
++		}
++		if (ret)
++			break;
++	}
++
++	/* Set erase status */
++	if (ret)
++		erase->state = MTD_ERASE_FAILED;
++	else
++		erase->state = MTD_ERASE_DONE;
++
++	/* Call erase callback */
++	if (erase->callback)
++		erase->callback(erase);
++
++	return ret;
++}
++
++static const char *probes[] = { "bcm47xx", NULL };
++
++static int bcm47xx_sflash_probe(struct platform_device *pdev)
++{
++	struct bcm47xx_sflash *sflash = dev_get_platdata(&pdev->dev);
++	struct mtd_info *mtd;
++	struct mtd_erase_region_info *eraseregions;
++	int ret = 0;
++
++	mtd = kzalloc(sizeof(struct mtd_info), GFP_KERNEL);
++	if (!mtd){
++		ret =  -ENOMEM;
++		goto err_out;
++	}
++
++	eraseregions = kzalloc(sizeof(struct mtd_erase_region_info), GFP_KERNEL);
++	if (!eraseregions) {
++		ret =  -ENOMEM;
++		goto err_free_mtd;
++	}
++
++	pr_info("found serial flash: blocksize=%dKB, numblocks=%d, size=%dKB\n",
++		sflash->blocksize / 1024, sflash->numblocks, sflash->size / 1024);
++
++	/* Setup region info */
++	eraseregions->offset = 0;
++	eraseregions->erasesize = sflash->blocksize;
++	eraseregions->numblocks = sflash->numblocks;
++	if (eraseregions->erasesize > mtd->erasesize)
++		mtd->erasesize = eraseregions->erasesize;
++	mtd->size = sflash->size;
++	mtd->numeraseregions = 1;
++
++	/* Register with MTD */
++	mtd->name = "bcm47xx-sflash";
++	mtd->type = MTD_NORFLASH;
++	mtd->flags = MTD_CAP_NORFLASH;
++	mtd->eraseregions = eraseregions;
++	mtd->_erase = sflash_mtd_erase;
++	mtd->_read = sflash_mtd_read;
++	mtd->_write = sflash_mtd_write;
++	mtd->writesize = 1;
++	mtd->priv = sflash;
++	ret = dev_set_drvdata(&pdev->dev, mtd);
++	mtd->owner = THIS_MODULE;
++	if (ret) {
++		pr_err("adding private data failed\n");
++		goto err_free_eraseregions;
++	}
++
++	ret = mtd_device_parse_register(mtd, probes, NULL, NULL, 0);
++
++	if (ret) {
++		pr_err("mtd_device_register failed\n");
++		goto err_free_eraseregions;
++	}
++	return 0;
++
++err_free_eraseregions:
++	kfree(eraseregions);
++err_free_mtd:
++	kfree(mtd);
++err_out:
++	return ret;
++}
++
++static int __devexit bcm47xx_sflash_remove(struct platform_device *pdev)
++{
++	struct mtd_info *mtd = dev_get_drvdata(&pdev->dev);
++
++	if (mtd) {
++		mtd_device_unregister(mtd);
++		map_destroy(mtd);
++		kfree(mtd->eraseregions);
++		kfree(mtd);
++		dev_set_drvdata(&pdev->dev, NULL);
++	}
++	return 0;
++}
++
++static const struct platform_device_id bcm47xx_sflash_table[] = {
++	{ "bcm47xx-sflash", 0 },
++	{ }
++};
++MODULE_DEVICE_TABLE(platform, bcm47xx_sflash_table);
++
++static struct platform_driver bcm47xx_sflash_driver = {
++	.id_table	= bcm47xx_sflash_table,
++	.probe	= bcm47xx_sflash_probe,
++	.remove	= __devexit_p(bcm47xx_sflash_remove),
++	.driver	= {
++		.name = "bcm47xx-sflash",
++		.owner = THIS_MODULE,
++	},
++};
++
++static int __init init_bcm47xx_sflash(void)
++{
++	int ret = platform_driver_register(&bcm47xx_sflash_driver);
++
++	if (ret)
++		pr_err("error registering platform driver: %i\n", ret);
++	return ret;
++}
++
++static void __exit exit_bcm47xx_sflash(void)
++{
++	platform_driver_unregister(&bcm47xx_sflash_driver);
++}
++
++module_init(init_bcm47xx_sflash);
++module_exit(exit_bcm47xx_sflash);
++
++MODULE_LICENSE("GPL");
++MODULE_DESCRIPTION("BCM47XX serial flash driver");
+--- /dev/null
++++ b/include/linux/mtd/bcm47xx_sflash.h
+@@ -0,0 +1,34 @@
++#ifndef LINUX_MTD_BCM47XX_SFLASH_H_
++#define LINUX_MTD_BCM47XX_SFLASH_H_
++
++#include <linux/mtd/mtd.h>
++
++enum bcm47xx_sflash_type {
++	BCM47XX_SFLASH_SSB,
++	BCM47XX_SFLASH_BCMA,
++};
++
++struct ssb_chipcommon;
++struct bcma_drv_cc;
++
++struct bcm47xx_sflash {
++	enum bcm47xx_sflash_type type;
++	union {
++		struct ssb_chipcommon *scc;
++		struct bcma_drv_cc *bcc;
++	};
++
++	bool present;
++	u16 numblocks;
++	u32 window;
++	u32 blocksize;
++	u32 size;
++
++	int (*read)(struct bcm47xx_sflash *dev, u32 offset, u32 len, u8 *buf);
++	int (*poll)(struct bcm47xx_sflash *dev, u32 offset);
++	int (*write)(struct bcm47xx_sflash *dev, u32 offset, u32 len, const u8 *buf);
++	int (*erase)(struct bcm47xx_sflash *dev, u32 offset);
++
++	struct mtd_info *mtd;
++};
++#endif /* LINUX_MTD_BCM47XX_SFLASH_H_ */
diff --git a/target/linux/brcm47xx/patches-3.6/053-mtd-add-nand-flash-driver.patch b/target/linux/brcm47xx/patches-3.6/053-mtd-add-nand-flash-driver.patch
new file mode 100644
index 0000000000..d37edfdffb
--- /dev/null
+++ b/target/linux/brcm47xx/patches-3.6/053-mtd-add-nand-flash-driver.patch
@@ -0,0 +1,710 @@
+--- a/drivers/mtd/nand/Kconfig
++++ b/drivers/mtd/nand/Kconfig
+@@ -607,4 +607,12 @@ config MTD_NAND_FSMC
+ 	  Enables support for NAND Flash chips on the ST Microelectronics
+ 	  Flexible Static Memory Controller (FSMC)
+ 
++config MTD_NAND_BCM47XX
++	tristate "bcm47xx nand flash support"
++	default y
++	depends on BCM47XX && BCMA_NFLASH
++	select MTD_PARTITIONS
++	help
++	  Support for bcm47xx nand flash
++
+ endif # MTD_NAND
+--- a/drivers/mtd/nand/Makefile
++++ b/drivers/mtd/nand/Makefile
+@@ -51,5 +51,6 @@ obj-$(CONFIG_MTD_NAND_MPC5121_NFC)	+= mp
+ obj-$(CONFIG_MTD_NAND_RICOH)		+= r852.o
+ obj-$(CONFIG_MTD_NAND_JZ4740)		+= jz4740_nand.o
+ obj-$(CONFIG_MTD_NAND_GPMI_NAND)	+= gpmi-nand/
++obj-$(CONFIG_MTD_NAND_BCM47XX)		+= bcm47xx_nand.o
+ 
+ nand-objs := nand_base.o nand_bbt.o
+--- /dev/null
++++ b/drivers/mtd/nand/bcm47xx_nand.c
+@@ -0,0 +1,528 @@
++/*
++ * BCMA nand flash interface
++ *
++ * Copyright (C) 2011-2012 Tathagata Das <tathagata@alumnux.com>
++ * Copyright 2010, Broadcom Corporation
++ *
++ * 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.
++ *
++ */
++
++#define pr_fmt(fmt) "bcm47xx_nflash: " fmt
++#include <linux/module.h>
++#include <linux/slab.h>
++#include <linux/ioport.h>
++#include <linux/sched.h>
++#include <linux/mtd/mtd.h>
++#include <linux/mtd/map.h>
++#include <linux/mtd/partitions.h>
++#include <linux/errno.h>
++#include <linux/delay.h>
++#include <linux/platform_device.h>
++#include <bcm47xx.h>
++#include <linux/cramfs_fs.h>
++#include <linux/romfs_fs.h>
++#include <linux/magic.h>
++#include <linux/byteorder/generic.h>
++#include <linux/mtd/bcm47xx_nand.h>
++#include <linux/mtd/nand.h>
++
++static int bcm47xx_nflash_block_bad(struct mtd_info *mtd, loff_t ofs, int getchip);
++static int bcm47xx_nflash_erase(struct mtd_info *mtd, unsigned int addr, unsigned int len);
++
++/* Private Global variable */
++static u32 read_offset = 0;
++static u32 write_offset;
++
++static int
++nflash_mtd_poll(struct bcm47xx_nflash *nflash, unsigned int offset, int timeout)
++{
++	unsigned long now = jiffies;
++	int ret = 0;
++
++	for (;;) {
++		if (!bcma_nflash_poll(nflash->bcc)) {
++			ret = 0;
++			break;
++		}
++		if (time_after(jiffies, now + timeout)) {
++			pr_err("timeout while polling\n");
++			ret = -ETIMEDOUT;
++			break;
++		}
++		udelay(1);
++	}
++
++	return ret;
++}
++
++static int
++bcm47xx_nflash_read(struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf)
++{
++	struct nand_chip *nchip = (struct nand_chip *)mtd->priv;
++	struct bcm47xx_nflash *nflash = (struct bcm47xx_nflash *)nchip->priv;
++	int bytes, ret = 0;
++	u32 extra = 0;
++	u8 *tmpbuf = NULL;
++	int size;
++	u32 offset, blocksize, mask, off;
++	u32 skip_bytes = 0;
++	int need_copy = 0;
++	u8 *ptr = NULL;
++
++	/* Check address range */
++	if (!len)
++		return 0;
++	if ((from + len) > mtd->size)
++		return -EINVAL;
++	offset = from;
++	if ((offset & (NFL_SECTOR_SIZE - 1)) != 0) {
++		extra = offset & (NFL_SECTOR_SIZE - 1);
++		offset -= extra;
++		len += extra;
++		need_copy = 1;
++	}
++	size = (len + (NFL_SECTOR_SIZE - 1)) & ~(NFL_SECTOR_SIZE - 1);
++	if (size != len) {
++		need_copy = 1;
++	}
++	if (!need_copy) {
++		ptr = buf;
++	} else {
++		tmpbuf = (u8 *)kmalloc(size, GFP_KERNEL);
++		ptr = tmpbuf;
++	}
++
++	blocksize = mtd->erasesize;
++	mask = blocksize - 1;
++	*retlen = 0;
++	while (len > 0) {
++		off = offset + skip_bytes;
++		if ((bytes = bcma_nflash_read(nflash->bcc, off, NFL_SECTOR_SIZE, ptr)) < 0) {
++			ret = bytes;
++			goto done;
++		}
++		if (bytes > len)
++			bytes = len;
++		offset += bytes;
++		len -= bytes;
++		ptr += bytes;
++		*retlen += bytes;
++	}
++
++done:
++	if (tmpbuf) {
++		*retlen -= extra;
++		memcpy(buf, tmpbuf+extra, *retlen);
++		kfree(tmpbuf);
++	}
++
++	return ret;
++}
++
++static void bcm47xx_nflash_write(struct mtd_info *mtd, u32 to, const u_char *buf, u32 len)
++{
++	struct nand_chip *nchip = (struct nand_chip *)mtd->priv;
++	struct bcm47xx_nflash *nflash = (struct bcm47xx_nflash *)nchip->priv;
++	u32 offset, blocksize, mask, off;
++	int read_len;
++	u32 copy_len, write_len, from;
++	u_char *write_ptr, *block;
++	const u_char *ptr;
++	int ret, bytes;
++
++	/* Check address range */
++	if (!len) {
++		pr_err("Error: Attempted to write too small data\n");
++		return;
++	}
++
++	if (!to)
++		return;
++
++	if ((to + len) > mtd->size) {
++		pr_err("Error: Attempted to write too large data\n");
++		return;
++	}
++
++	ptr = buf;
++	block = NULL;
++	offset = to;
++	blocksize = mtd->erasesize;
++	if (!(block = kmalloc(blocksize, GFP_KERNEL)))
++		return;
++	mask = blocksize - 1;
++	while (len) {
++		/* Align offset */
++		from = offset & ~mask;
++		/* Copy existing data into holding block if necessary */
++		if (((offset & (blocksize-1)) != 0) || (len < blocksize)) {
++			if ((ret = bcm47xx_nflash_read(mtd, from, blocksize, &read_len, block)))
++				goto done;
++			if (read_len != blocksize) {
++				ret = -EINVAL;
++				goto done;
++			}
++		}
++
++		/* Copy input data into holding block */
++		copy_len = min(len, blocksize - (offset & mask));
++		memcpy(block + (offset & mask), ptr, copy_len);
++		off = (uint) from;
++		/* Erase block */
++		if ((ret = bcm47xx_nflash_erase(mtd, off, blocksize)) < 0)
++			goto done;
++		/* Write holding block */
++		write_ptr = block;
++		write_len = blocksize;
++		if ((bytes = bcma_nflash_write(nflash->bcc, (uint)from, (uint)write_len, (u8 *) write_ptr)) != 0) {
++			ret = bytes;
++			goto done;
++		}
++		offset += copy_len;
++		if (len < copy_len)
++			len = 0;
++		else
++			len -= copy_len;
++		ptr += copy_len;
++	}
++
++done:
++	if (block)
++		kfree(block);
++	return;
++}
++
++static int bcm47xx_nflash_erase(struct mtd_info *mtd, unsigned int addr, unsigned int len)
++{
++	struct nand_chip *nchip = (struct nand_chip *)mtd->priv;
++	struct bcm47xx_nflash *nflash = (struct bcm47xx_nflash *)nchip->priv;
++
++	/* Check address range */
++	if (!len)
++		return 1;
++	if ((addr + len) > mtd->size)
++		return 1;
++
++	if (bcma_nflash_erase(nflash->bcc, addr)) {
++		pr_err("ERASE: nflash erase error\n");
++		return 1;
++	}
++
++	if (nflash_mtd_poll(nflash, addr, 10 * HZ)) {
++		pr_err("ERASE: nflash_mtd_poll error\n");
++		return 1;
++	}
++
++	return 0;
++}
++
++/* This functions is used by upper layer to checks if device is ready */
++static int bcm47xx_nflash_dev_ready(struct mtd_info *mtd)
++{
++	return 1;
++}
++
++/* Issue a nand flash command */
++static inline void bcm47xx_nflash_cmd(struct bcma_drv_cc *cc, u32 opcode)
++{
++	bcma_cc_write32(cc, NAND_CMD_START, opcode);
++	bcma_cc_read32(cc,  NAND_CMD_START);
++}
++
++static void bcm47xx_nflash_command(struct mtd_info *mtd, unsigned command,
++				int column, int page_addr)
++{
++	struct nand_chip *nchip = (struct nand_chip *)mtd->priv;
++	struct bcm47xx_nflash *nflash = (struct bcm47xx_nflash *)nchip->priv;
++	u32 pagesize = 1 << nchip->page_shift;
++
++	/* Command pre-processing step */
++	switch (command) {
++	case NAND_CMD_RESET:
++		bcm47xx_nflash_cmd(nflash->bcc, NCMD_FLASH_RESET);
++		break;
++
++	case NAND_CMD_STATUS:
++		nflash->next_opcode = NAND_CMD_STATUS;
++		read_offset = 0;
++		write_offset = 0;
++		break;
++
++	case NAND_CMD_READ0:
++		read_offset = page_addr * pagesize;
++		nflash->next_opcode = 0;
++		break;
++
++	case NAND_CMD_READOOB:
++		read_offset = page_addr * pagesize;
++		nflash->next_opcode = 0;
++		break;
++
++	case NAND_CMD_SEQIN:
++		write_offset = page_addr * pagesize;
++		nflash->next_opcode = 0;
++		break;
++
++	case NAND_CMD_PAGEPROG:
++		nflash->next_opcode = 0;
++		break;
++
++	case NAND_CMD_READID:
++		read_offset = column;
++		bcm47xx_nflash_cmd(nflash->bcc, NCMD_ID_RD);
++		nflash->next_opcode = NAND_DEVID;
++		break;
++
++	case NAND_CMD_ERASE1:
++		nflash->next_opcode = 0;
++		bcm47xx_nflash_erase(mtd, page_addr*pagesize, pagesize);
++		break;
++
++	case NAND_CMD_ERASE2:
++		break;
++
++	case NAND_CMD_RNDOUT:
++		if (column > mtd->writesize)
++			read_offset += (column - mtd->writesize);
++		else
++			read_offset += column;
++		break;
++
++	default:
++		pr_err("COMMAND not supported %x\n", command);
++		nflash->next_opcode = 0;
++		break;
++	}
++}
++
++/* This function is used by upper layer for select and
++ * deselect of the NAND chip.
++ * It is dummy function. */
++static void bcm47xx_nflash_select_chip(struct mtd_info *mtd, int chip)
++{
++}
++
++static u_char bcm47xx_nflash_read_byte(struct mtd_info *mtd)
++{
++	struct nand_chip *nchip = mtd->priv;
++	struct bcm47xx_nflash *nflash = (struct bcm47xx_nflash *)nchip->priv;
++	uint8_t ret = 0;
++	static u32 id;
++
++	if (nflash->next_opcode == 0)
++		return ret;
++
++	if (nflash->next_opcode == NAND_CMD_STATUS)
++		return NAND_STATUS_WP;
++
++	id = bcma_cc_read32(nflash->bcc, nflash->next_opcode);
++
++	if (nflash->next_opcode == NAND_DEVID) {
++		ret = (id >> (8*read_offset)) & 0xff;
++		read_offset++;
++	}
++
++	return ret;
++}
++
++static uint16_t bcm47xx_nflash_read_word(struct mtd_info *mtd)
++{
++	loff_t from = read_offset;
++	uint16_t buf = 0;
++	int bytes;
++
++	bcm47xx_nflash_read(mtd, from, sizeof(buf), &bytes, (u_char *)&buf);
++	return buf;
++}
++
++/* Write data of length len to buffer buf. The data to be
++ * written on NAND Flash is first copied to RAMbuffer. After the Data Input
++ * Operation by the NFC, the data is written to NAND Flash */
++static void bcm47xx_nflash_write_buf(struct mtd_info *mtd,
++				const u_char *buf, int len)
++{
++	bcm47xx_nflash_write(mtd, write_offset, buf, len);
++}
++
++/* Read the data buffer from the NAND Flash. To read the data from NAND
++ * Flash first the data output cycle is initiated by the NFC, which copies
++ * the data to RAMbuffer. This data of length len is then copied to buffer buf.
++ */
++static void bcm47xx_nflash_read_buf(struct mtd_info *mtd, u_char *buf, int len)
++{
++	loff_t from = read_offset;
++	int bytes;
++
++	bcm47xx_nflash_read(mtd, from, len, &bytes, buf);
++}
++
++/* Used by the upper layer to verify the data in NAND Flash
++ * with the data in the buf. */
++static int bcm47xx_nflash_verify_buf(struct mtd_info *mtd,
++				const u_char *buf, int len)
++{
++	return -EFAULT;
++}
++
++static int bcm47xx_nflash_block_bad(struct mtd_info *mtd, loff_t ofs, int getchip)
++{
++	struct nand_chip *nchip = mtd->priv;
++	struct bcm47xx_nflash *nflash = (struct bcm47xx_nflash *)nchip->priv;
++	int i;
++	uint off;
++	u32 pagesize = 1 << nchip->page_shift;
++	u32 blocksize = mtd->erasesize;
++
++	if ((ofs >> 20) >= nflash->size)
++		return 1;
++	if ((ofs & (blocksize - 1)) != 0)
++		return 1;
++
++	for (i = 0; i < 2; i++) {
++		off = ofs + pagesize;
++		bcma_cc_write32(nflash->bcc, NAND_CMD_ADDR, off);
++		bcm47xx_nflash_cmd(nflash->bcc, NCMD_SPARE_RD);
++		if (bcma_nflash_poll(nflash->bcc) < 0)
++			break;
++		if ((bcma_cc_read32(nflash->bcc, NAND_INTFC_STATUS) & NIST_SPARE_VALID) != NIST_SPARE_VALID)
++			return 1;
++		if ((bcma_cc_read32(nflash->bcc, NAND_SPARE_RD0) & 0xff) != 0xff)
++			return 1;
++	}
++	return 0;
++}
++
++const char *part_probes[] = { "cmdlinepart", NULL };
++static int bcm47xx_nflash_probe(struct platform_device *pdev)
++{
++	struct nand_chip *nchip;
++	struct mtd_info *mtd;
++	struct bcm47xx_nflash *nflash = dev_get_platdata(&pdev->dev);
++	int ret = 0;
++
++	mtd = kzalloc(sizeof(struct mtd_info), GFP_KERNEL);
++	if (!mtd){
++		ret = -ENOMEM;
++		goto err_out;
++	}
++
++	nchip = kzalloc(sizeof(struct nand_chip), GFP_KERNEL);
++	if (!nchip) {
++		ret = -ENOMEM;
++		goto err_free_mtd;
++	}
++
++	/* Register with MTD */
++	mtd->priv = nchip;
++	mtd->owner = THIS_MODULE;
++	mtd->dev.parent = &pdev->dev;
++
++	/* 50 us command delay time */
++	nchip->chip_delay = 50;
++
++	nchip->priv = nflash;
++	nchip->dev_ready = bcm47xx_nflash_dev_ready;
++	nchip->cmdfunc = bcm47xx_nflash_command;
++	nchip->select_chip = bcm47xx_nflash_select_chip;
++	nchip->read_byte = bcm47xx_nflash_read_byte;
++	nchip->read_word = bcm47xx_nflash_read_word;
++	nchip->write_buf = bcm47xx_nflash_write_buf;
++	nchip->read_buf = bcm47xx_nflash_read_buf;
++	nchip->verify_buf = bcm47xx_nflash_verify_buf;
++	nchip->block_bad = bcm47xx_nflash_block_bad;
++	nchip->options = NAND_SKIP_BBTSCAN;
++
++	/* Not known */
++	nchip->ecc.mode = NAND_ECC_NONE;
++
++	/* first scan to find the device and get the page size */
++	if (nand_scan_ident(mtd, 1, NULL)) {
++		pr_err("nand_scan_ident failed\n");
++		ret = -ENXIO;
++		goto err_free_nchip;
++	}
++	nflash->size = mtd->size;
++	nflash->pagesize = 1 << nchip->page_shift;
++	nflash->blocksize = mtd->erasesize;
++	nflash->mtd = mtd;
++
++	/* second phase scan */
++	if (nand_scan_tail(mtd)) {
++		pr_err("nand_scan_tail failed\n");
++		ret = -ENXIO;
++		goto err_free_nchip;
++	}
++
++	mtd->name = "bcm47xx-nflash";
++	mtd->flags |= MTD_WRITEABLE;
++	ret = mtd_device_parse_register(mtd, part_probes, NULL, NULL, 0);
++
++	if (ret) {
++		pr_err("mtd_device_register failed\n");
++		goto err_free_nchip;
++	}
++
++	return 0;
++
++err_free_nchip:
++	kfree(nchip);
++err_free_mtd:
++	kfree(mtd);
++err_out:
++	return ret;
++}
++
++static int __devexit bcm47xx_nflash_remove(struct platform_device *pdev)
++{
++	struct bcm47xx_nflash *nflash = dev_get_platdata(&pdev->dev);
++	struct mtd_info *mtd = nflash->mtd;
++
++	if (nflash) {
++		/* Release resources, unregister device */
++		nand_release(mtd);
++		kfree(mtd->priv);
++		kfree(mtd);
++	}
++
++	return 0;
++}
++
++static const struct platform_device_id bcm47xx_nflash_table[] = {
++	{ "bcm47xx-nflash", 0 },
++	{ }
++};
++MODULE_DEVICE_TABLE(platform, bcm47xx_nflash_table);
++
++static struct platform_driver bcm47xx_nflash_driver = {
++	.id_table	= bcm47xx_nflash_table,
++	.probe	= bcm47xx_nflash_probe,
++	.remove	= __devexit_p(bcm47xx_nflash_remove),
++	.driver	= {
++		.name = "bcm47xx-nflash",
++		.owner = THIS_MODULE,
++	},
++};
++
++static int __init init_bcm47xx_nflash(void)
++{
++	int ret = platform_driver_register(&bcm47xx_nflash_driver);
++
++	if (ret)
++		pr_err("error registering platform driver: %i\n", ret);
++	return ret;
++}
++
++static void __exit exit_bcm47xx_nflash(void)
++{
++	platform_driver_unregister(&bcm47xx_nflash_driver);
++}
++
++module_init(init_bcm47xx_nflash);
++module_exit(exit_bcm47xx_nflash);
++
++MODULE_LICENSE("GPL");
++MODULE_DESCRIPTION("BCM47XX NAND flash driver");
+--- /dev/null
++++ b/include/linux/mtd/bcm47xx_nand.h
+@@ -0,0 +1,152 @@
++/*
++ * Broadcom chipcommon NAND flash interface
++ *
++ * Copyright (C) 2011-2012 Tathagata Das <tathagata@alumnux.com>
++ * Copyright (C) 2009, 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.
++ *
++ */
++
++#ifndef LINUX_MTD_BCM47XX_NAND_H_
++#define LINUX_MTD_BCM47XX_NAND_H_
++
++#include <linux/mtd/mtd.h>
++
++#define  NAND_FLASH1						0x1fc00000  /* MIPS Flash Region 1 */
++
++/* nand_cmd_start commands */
++#define	NCMD_NULL						0
++#define	NCMD_PAGE_RD					1
++#define	NCMD_SPARE_RD					2
++#define	NCMD_STATUS_RD					3
++#define	NCMD_PAGE_PROG					4
++#define	NCMD_SPARE_PROG				5
++#define	NCMD_COPY_BACK					6
++#define	NCMD_ID_RD						7
++#define	NCMD_BLOCK_ERASE				8
++#define	NCMD_FLASH_RESET				9
++#define	NCMD_LOCK						0xa
++#define	NCMD_LOCK_DOWN					0xb
++#define	NCMD_UNLOCK						0xc
++#define	NCMD_LOCK_STATUS				0xd
++
++/* nand_acc_control */
++#define	NAC_RD_ECC_EN					0x80000000
++#define	NAC_WR_ECC_EN					0x40000000
++#define	NAC_RD_ECC_BLK0_EN			0x20000000
++#define	NAC_FAST_PGM_RDIN				0x10000000
++#define	NAC_RD_ERASED_ECC_EN			0x08000000
++#define	NAC_PARTIAL_PAGE_EN			0x04000000
++#define	NAC_PAGE_HIT_EN				0x01000000
++#define	NAC_ECC_LEVEL0					0x00f00000
++#define	NAC_ECC_LEVEL					0x000f0000
++#define	NAC_SPARE_SIZE0				0x00003f00
++#define	NAC_SPARE_SIZE					0x0000003f
++
++/* nand_config */
++#define	NCF_CONFIG_LOCK				0x80000000
++#define	NCF_BLOCK_SIZE_MASK			0x70000000
++#define	NCF_BLOCK_SIZE_SHIFT			28
++#define	NCF_DEVICE_SIZE_MASK			0x0f000000
++#define	NCF_DEVICE_SIZE_SHIFT		24
++#define	NCF_DEVICE_WIDTH				0x00800000
++#define	NCF_PAGE_SIZE_MASK			0x00300000
++#define	NCF_PAGE_SIZE_SHIFT			20
++#define	NCF_FULL_ADDR_BYTES_MASK	0x00070000
++#define	NCF_FULL_ADDR_BYTES_SHIFT	16
++#define	NCF_COL_ADDR_BYTES_MASK		0x00007000
++#define	NCF_COL_ADDR_BYTES_SHIFT	12
++#define	NCF_BLK_ADDR_BYTES_MASK		0x00000700
++#define	NCF_BLK_ADDR_BYTES_SHIFT	8
++
++/* nand_intfc_status */
++#define	NIST_CTRL_READY				0x80000000
++#define	NIST_FLASH_READY				0x40000000
++#define	NIST_CACHE_VALID				0x20000000
++#define	NIST_SPARE_VALID				0x10000000
++#define	NIST_ERASED						0x08000000
++#define	NIST_STATUS						0x000000ff
++
++#define	NFL_SECTOR_SIZE				512
++
++#define	NFL_TABLE_END					0xffffffff
++#define	NFL_BOOT_SIZE					0x200000
++#define	NFL_BOOT_OS_SIZE				0x2000000
++
++/* Nand flash MLC controller registers (corerev >= 38) */
++#define	NAND_REVISION					0xC00
++#define	NAND_CMD_START					0xC04
++#define	NAND_CMD_ADDR_X				0xC08
++#define	NAND_CMD_ADDR					0xC0C
++#define	NAND_CMD_END_ADDR				0xC10
++#define	NAND_CS_NAND_SELECT			0xC14
++#define	NAND_CS_NAND_XOR				0xC18
++#define	NAND_SPARE_RD0					0xC20
++#define	NAND_SPARE_RD4					0xC24
++#define	NAND_SPARE_RD8					0xC28
++#define	NAND_SPARE_RD12				0xC2C
++#define	NAND_SPARE_WR0					0xC30
++#define	NAND_SPARE_WR4					0xC34
++#define	NAND_SPARE_WR8					0xC38
++#define	NAND_SPARE_WR12				0xC3C
++#define	NAND_ACC_CONTROL				0xC40
++#define	NAND_CONFIG						0xC48
++#define	NAND_TIMING_1					0xC50
++#define	NAND_TIMING_2					0xC54
++#define	NAND_SEMAPHORE					0xC58
++#define	NAND_DEVID						0xC60
++#define	NAND_DEVID_X					0xC64
++#define	NAND_BLOCK_LOCK_STATUS		0xC68
++#define	NAND_INTFC_STATUS				0xC6C
++#define	NAND_ECC_CORR_ADDR_X			0xC70
++#define	NAND_ECC_CORR_ADDR			0xC74
++#define	NAND_ECC_UNC_ADDR_X			0xC78
++#define	NAND_ECC_UNC_ADDR				0xC7C
++#define	NAND_READ_ERROR_COUNT		0xC80
++#define	NAND_CORR_STAT_THRESHOLD	0xC84
++#define	NAND_READ_ADDR_X				0xC90
++#define	NAND_READ_ADDR					0xC94
++#define	NAND_PAGE_PROGRAM_ADDR_X	0xC98
++#define	NAND_PAGE_PROGRAM_ADDR		0xC9C
++#define	NAND_COPY_BACK_ADDR_X		0xCA0
++#define	NAND_COPY_BACK_ADDR			0xCA4
++#define	NAND_BLOCK_ERASE_ADDR_X		0xCA8
++#define	NAND_BLOCK_ERASE_ADDR		0xCAC
++#define	NAND_INV_READ_ADDR_X			0xCB0
++#define	NAND_INV_READ_ADDR			0xCB4
++#define	NAND_BLK_WR_PROTECT			0xCC0
++#define	NAND_ACC_CONTROL_CS1			0xCD0
++#define	NAND_CONFIG_CS1				0xCD4
++#define	NAND_TIMING_1_CS1				0xCD8
++#define	NAND_TIMING_2_CS1				0xCDC
++#define	NAND_SPARE_RD16				0xD30
++#define	NAND_SPARE_RD20				0xD34
++#define	NAND_SPARE_RD24				0xD38
++#define	NAND_SPARE_RD28				0xD3C
++#define	NAND_CACHE_ADDR				0xD40
++#define	NAND_CACHE_DATA				0xD44
++#define	NAND_CTRL_CONFIG				0xD48
++#define	NAND_CTRL_STATUS				0xD4C
++
++struct bcma_drv_cc;
++
++struct bcm47xx_nflash {
++	struct bcma_drv_cc *bcc;
++
++	bool present;
++	bool boot;		/* This is the flash the SoC boots from */
++	u32 blocksize;		/* Block size */
++	u32 pagesize;		/* Page size */
++
++	u32 size;		/* Total size in bytes */
++	u32 next_opcode; /* Next expected command from upper NAND layer */
++
++	struct mtd_info *mtd;
++};
++
++#endif /* LINUX_MTD_BCM47XX_NAND_H_ */
diff --git a/target/linux/brcm47xx/patches-3.6/060-ssb-add-serial-flash-driver.patch b/target/linux/brcm47xx/patches-3.6/060-ssb-add-serial-flash-driver.patch
new file mode 100644
index 0000000000..d65fc0a5b4
--- /dev/null
+++ b/target/linux/brcm47xx/patches-3.6/060-ssb-add-serial-flash-driver.patch
@@ -0,0 +1,527 @@
+--- a/drivers/ssb/Kconfig
++++ b/drivers/ssb/Kconfig
+@@ -143,6 +143,11 @@ config SSB_EMBEDDED
+ 	depends on SSB_DRIVER_MIPS
+ 	default y
+ 
++config SSB_SFLASH
++	bool
++	depends on SSB_DRIVER_MIPS
++	default y
++
+ config SSB_DRIVER_EXTIF
+ 	bool "SSB Broadcom EXTIF core driver"
+ 	depends on SSB_DRIVER_MIPS
+--- a/drivers/ssb/Makefile
++++ b/drivers/ssb/Makefile
+@@ -11,6 +11,7 @@ ssb-$(CONFIG_SSB_SDIOHOST)		+= sdio.o
+ # built-in drivers
+ ssb-y					+= driver_chipcommon.o
+ ssb-y					+= driver_chipcommon_pmu.o
++ssb-$(CONFIG_SSB_SFLASH)		+= driver_chipcommon_sflash.o
+ ssb-$(CONFIG_SSB_DRIVER_MIPS)		+= driver_mipscore.o
+ ssb-$(CONFIG_SSB_DRIVER_EXTIF)		+= driver_extif.o
+ ssb-$(CONFIG_SSB_DRIVER_PCICORE)	+= driver_pcicore.o
+--- /dev/null
++++ b/drivers/ssb/driver_chipcommon_sflash.c
+@@ -0,0 +1,395 @@
++/*
++ * Broadcom specific AMBA
++ * ChipCommon serial flash interface
++ * Copyright 2011, Jonas Gorski <jonas.gorski@gmail.com>
++ * Copyright 2011, 2012, Hauke Mehrtens <hauke@hauke-m.de>
++ * Copyright 2010, Broadcom Corporation
++ *
++ * Licensed under the GNU/GPL. See COPYING for details.
++ */
++
++#include <linux/platform_device.h>
++#include <linux/delay.h>
++#include <linux/ssb/ssb.h>
++#include <linux/ssb/ssb_driver_chipcommon.h>
++
++#include "ssb_private.h"
++
++#define NUM_RETRIES	3
++
++static struct resource ssb_sflash_resource = {
++	.name	= "ssb_sflash",
++	.start	= SSB_FLASH2,
++	.end	= 0,
++	.flags  = IORESOURCE_MEM | IORESOURCE_READONLY,
++};
++
++struct platform_device ssb_sflash_dev = {
++	.name		= "bcm47xx-sflash",
++	.resource	= &ssb_sflash_resource,
++	.num_resources	= 1,
++};
++
++struct ssb_sflash_tbl_e {
++	char *name;
++	u32 id;
++	u32 blocksize;
++	u16 numblocks;
++};
++
++static const struct ssb_sflash_tbl_e ssb_sflash_st_tbl[] = {
++	{ "M25P20", 0x11, 0x10000, 4, },
++	{ "M25P40", 0x12, 0x10000, 8, },
++
++	{ "M25P16", 0x14, 0x10000, 32, },
++	{ "M25P32", 0x14, 0x10000, 64, },
++	{ "M25P64", 0x16, 0x10000, 128, },
++	{ "M25FL128", 0x17, 0x10000, 256, },
++	{ 0 },
++};
++
++static const struct ssb_sflash_tbl_e ssb_sflash_sst_tbl[] = {
++	{ "SST25WF512", 1, 0x1000, 16, },
++	{ "SST25VF512", 0x48, 0x1000, 16, },
++	{ "SST25WF010", 2, 0x1000, 32, },
++	{ "SST25VF010", 0x49, 0x1000, 32, },
++	{ "SST25WF020", 3, 0x1000, 64, },
++	{ "SST25VF020", 0x43, 0x1000, 64, },
++	{ "SST25WF040", 4, 0x1000, 128, },
++	{ "SST25VF040", 0x44, 0x1000, 128, },
++	{ "SST25VF040B", 0x8d, 0x1000, 128, },
++	{ "SST25WF080", 5, 0x1000, 256, },
++	{ "SST25VF080B", 0x8e, 0x1000, 256, },
++	{ "SST25VF016", 0x41, 0x1000, 512, },
++	{ "SST25VF032", 0x4a, 0x1000, 1024, },
++	{ "SST25VF064", 0x4b, 0x1000, 2048, },
++	{ 0 },
++};
++
++static const struct ssb_sflash_tbl_e ssb_sflash_at_tbl[] = {
++	{ "AT45DB011", 0xc, 256, 512, },
++	{ "AT45DB021", 0x14, 256, 1024, },
++	{ "AT45DB041", 0x1c, 256, 2048, },
++	{ "AT45DB081", 0x24, 256, 4096, },
++	{ "AT45DB161", 0x2c, 512, 4096, },
++	{ "AT45DB321", 0x34, 512, 8192, },
++	{ "AT45DB642", 0x3c, 1024, 8192, },
++	{ 0 },
++};
++
++static void ssb_sflash_cmd(struct ssb_chipcommon *chipco, u32 opcode)
++{
++	int i;
++	chipco_write32(chipco, SSB_CHIPCO_FLASHCTL,
++			SSB_CHIPCO_FLASHCTL_START | opcode);
++	for (i = 0; i < 1000; i++) {
++		if (!(chipco_read32(chipco, SSB_CHIPCO_FLASHCTL) &
++		      SSB_CHIPCO_FLASHCTL_BUSY))
++			return;
++		cpu_relax();
++	}
++	pr_err("SFLASH control command failed (timeout)!\n");
++}
++
++static void ssb_sflash_write_u8(struct ssb_chipcommon *chipco, u32 offset, u8 byte)
++{
++	chipco_write32(chipco, SSB_CHIPCO_FLASHADDR, offset);
++	chipco_write32(chipco, SSB_CHIPCO_FLASHDATA, byte);
++}
++
++/* Read len bytes starting at offset into buf. Returns number of bytes read. */
++static int ssb_sflash_read(struct bcm47xx_sflash *dev, u32 offset, u32 len, u8 *buf)
++{
++	u8 *from, *to;
++	u32 cnt, i;
++	struct ssb_chipcommon *chipco = dev->scc;
++
++	if (!len)
++		return 0;
++
++	if ((offset + len) > chipco->sflash.size)
++		return -EINVAL;
++
++	if ((len >= 4) && (offset & 3))
++		cnt = 4 - (offset & 3);
++	else if ((len >= 4) && ((u32)buf & 3))
++		cnt = 4 - ((u32)buf & 3);
++	else
++		cnt = len;
++
++	from = (u8 *)KSEG0ADDR(SSB_FLASH2 + offset);
++
++	to = (u8 *)buf;
++
++	if (cnt < 4) {
++		for (i = 0; i < cnt; i++) {
++			*to = readb(from);
++			from++;
++			to++;
++		}
++		return cnt;
++	}
++
++	while (cnt >= 4) {
++		*(u32 *)to = readl(from);
++		from += 4;
++		to += 4;
++		cnt -= 4;
++	}
++
++	return len - cnt;
++}
++
++/* Poll for command completion. Returns zero when complete. */
++static int ssb_sflash_poll(struct bcm47xx_sflash *dev, u32 offset)
++{
++	struct ssb_chipcommon *chipco = dev->scc;
++
++	if (offset >= chipco->sflash.size)
++		return -22;
++
++	switch (chipco->capabilities & SSB_CHIPCO_CAP_FLASHT) {
++	case SSB_CHIPCO_FLASHT_STSER:
++		/* Check for ST Write In Progress bit */
++		ssb_sflash_cmd(chipco, SSB_CHIPCO_FLASHCTL_ST_RDSR);
++		return chipco_read32(chipco, SSB_CHIPCO_FLASHDATA)
++				& SSB_CHIPCO_FLASHDATA_ST_WIP;
++	case SSB_CHIPCO_FLASHT_ATSER:
++		/* Check for Atmel Ready bit */
++		ssb_sflash_cmd(chipco, SSB_CHIPCO_FLASHCTL_AT_STATUS);
++		return !(chipco_read32(chipco, SSB_CHIPCO_FLASHDATA)
++				& SSB_CHIPCO_FLASHDATA_AT_READY);
++	}
++
++	return 0;
++}
++
++
++static int sflash_st_write(struct bcm47xx_sflash *dev, u32 offset, u32 len,
++			   const u8 *buf)
++{
++	int written = 1;
++	struct ssb_chipcommon *chipco = dev->scc;
++
++	/* Enable writes */
++	ssb_sflash_cmd(chipco, SSB_CHIPCO_FLASHCTL_ST_WREN);
++	ssb_sflash_write_u8(chipco, offset, *buf++);
++	/* Issue a page program with CSA bit set */
++	ssb_sflash_cmd(chipco, SSB_CHIPCO_FLASHCTL_ST_CSA | SSB_CHIPCO_FLASHCTL_ST_PP);
++	offset++;
++	len--;
++	while (len > 0) {
++		if ((offset & 255) == 0) {
++			/* Page boundary, poll droping cs and return */
++			chipco_write32(chipco, SSB_CHIPCO_FLASHCTL, 0);
++			udelay(1);
++			if (!ssb_sflash_poll(dev, offset)) {
++				/* Flash rejected command */
++				return -EAGAIN;
++			}
++			return written;
++		} else {
++			/* Write single byte */
++			ssb_sflash_cmd(chipco,
++					SSB_CHIPCO_FLASHCTL_ST_CSA |
++					*buf++);
++		}
++		written++;
++		offset++;
++		len--;
++	}
++	/* All done, drop cs & poll */
++	chipco_write32(chipco, SSB_CHIPCO_FLASHCTL, 0);
++	udelay(1);
++	if (!ssb_sflash_poll(dev, offset)) {
++		/* Flash rejected command */
++		return -EAGAIN;
++	}
++	return written;
++}
++
++static int sflash_at_write(struct bcm47xx_sflash *dev, u32 offset, u32 len,
++			   const u8 *buf)
++{
++	struct ssb_chipcommon *chipco = dev->scc;
++	u32 page, byte, mask;
++	int ret = 0;
++
++	mask = dev->blocksize - 1;
++	page = (offset & ~mask) << 1;
++	byte = offset & mask;
++	/* Read main memory page into buffer 1 */
++	if (byte || (len < dev->blocksize)) {
++		int i = 100;
++		chipco_write32(chipco, SSB_CHIPCO_FLASHADDR, page);
++		ssb_sflash_cmd(chipco, SSB_CHIPCO_FLASHCTL_AT_BUF1_LOAD);
++		/* 250 us for AT45DB321B */
++		while (i > 0 && ssb_sflash_poll(dev, offset)) {
++			udelay(10);
++			i--;
++		}
++		BUG_ON(!ssb_sflash_poll(dev, offset));
++	}
++	/* Write into buffer 1 */
++	for (ret = 0; (ret < (int)len) && (byte < dev->blocksize); ret++) {
++		ssb_sflash_write_u8(chipco, byte++, *buf++);
++		ssb_sflash_cmd(chipco, SSB_CHIPCO_FLASHCTL_AT_BUF1_WRITE);
++	}
++	/* Write buffer 1 into main memory page */
++	chipco_write32(chipco, SSB_CHIPCO_FLASHADDR, page);
++	ssb_sflash_cmd(chipco, SSB_CHIPCO_FLASHCTL_AT_BUF1_PROGRAM);
++
++	return ret;
++}
++
++/* Write len bytes starting at offset into buf. Returns number of bytes
++ * written. Caller should poll for completion.
++ */
++static int ssb_sflash_write(struct bcm47xx_sflash *dev, u32 offset, u32 len,
++		      const u8 *buf)
++{
++	int ret = 0, tries = NUM_RETRIES;
++	struct ssb_chipcommon *chipco = dev->scc;
++
++	if (!len)
++		return 0;
++
++	if ((offset + len) > chipco->sflash.size)
++		return -EINVAL;
++
++	switch (chipco->capabilities & SSB_CHIPCO_CAP_FLASHT) {
++	case SSB_CHIPCO_FLASHT_STSER:
++		do {
++			ret = sflash_st_write(dev, offset, len, buf);
++			tries--;
++		} while (ret == -EAGAIN && tries > 0);
++
++		if (ret == -EAGAIN && tries == 0) {
++			pr_info("ST Flash rejected write\n");
++			ret = -EIO;
++		}
++		break;
++	case SSB_CHIPCO_FLASHT_ATSER:
++		ret = sflash_at_write(dev, offset, len, buf);
++		break;
++	}
++
++	return ret;
++}
++
++/* Erase a region. Returns number of bytes scheduled for erasure.
++ * Caller should poll for completion.
++ */
++static int ssb_sflash_erase(struct bcm47xx_sflash *dev, u32 offset)
++{
++	struct ssb_chipcommon *chipco = dev->scc;
++
++	if (offset >= chipco->sflash.size)
++		return -EINVAL;
++
++	switch (chipco->capabilities & SSB_CHIPCO_CAP_FLASHT) {
++	case SSB_CHIPCO_FLASHT_STSER:
++		ssb_sflash_cmd(chipco, SSB_CHIPCO_FLASHCTL_ST_WREN);
++		chipco_write32(chipco, SSB_CHIPCO_FLASHADDR, offset);
++		/* Newer flashes have "sub-sectors" which can be erased independently
++		 * with a new command: ST_SSE. The ST_SE command erases 64KB just as
++		 * before.
++		 */
++		if (dev->blocksize < (64 * 1024))
++			ssb_sflash_cmd(chipco, SSB_CHIPCO_FLASHCTL_ST_SSE);
++		else
++			ssb_sflash_cmd(chipco, SSB_CHIPCO_FLASHCTL_ST_SE);
++		return dev->blocksize;
++	case SSB_CHIPCO_FLASHT_ATSER:
++		chipco_write32(chipco, SSB_CHIPCO_FLASHADDR, offset << 1);
++		ssb_sflash_cmd(chipco, SSB_CHIPCO_FLASHCTL_AT_PAGE_ERASE);
++		return dev->blocksize;
++	}
++
++	return 0;
++}
++
++/* Initialize serial flash achipcoess */
++int ssb_sflash_init(struct ssb_chipcommon *chipco)
++{
++	struct bcm47xx_sflash *sflash = &chipco->sflash;
++	const struct ssb_sflash_tbl_e *e;
++	u32 id, id2;
++
++	switch (chipco->capabilities & SSB_CHIPCO_CAP_FLASHT) {
++	case SSB_CHIPCO_FLASHT_STSER:
++		ssb_sflash_cmd(chipco, SSB_CHIPCO_FLASHCTL_ST_DP);
++
++		chipco_write32(chipco, SSB_CHIPCO_FLASHADDR, 0);
++		ssb_sflash_cmd(chipco, SSB_CHIPCO_FLASHCTL_ST_RES);
++		id = chipco_read32(chipco, SSB_CHIPCO_FLASHDATA);
++
++		chipco_write32(chipco, SSB_CHIPCO_FLASHADDR, 1);
++		ssb_sflash_cmd(chipco, SSB_CHIPCO_FLASHCTL_ST_RES);
++		id2 = chipco_read32(chipco, SSB_CHIPCO_FLASHDATA);
++
++		switch (id) {
++		case 0xbf:
++			for (e = ssb_sflash_sst_tbl; e->name; e++) {
++				if (e->id == id2)
++					break;
++			}
++			break;
++		case 0x13:
++			return -ENOTSUPP;
++		default:
++			for (e = ssb_sflash_st_tbl; e->name; e++) {
++				if (e->id == id)
++					break;
++			}
++			break;
++		}
++		if (!e->name) {
++			pr_err("Unsupported ST serial flash (id: 0x%X, id2: 0x%X)\n", id, id2);
++			return -ENOTSUPP;
++		}
++
++		break;
++	case SSB_CHIPCO_FLASHT_ATSER:
++		ssb_sflash_cmd(chipco, SSB_CHIPCO_FLASHCTL_AT_STATUS);
++		id = chipco_read32(chipco, SSB_CHIPCO_FLASHDATA) & 0x3c;
++
++		for (e = ssb_sflash_at_tbl; e->name; e++) {
++			if (e->id == id)
++				break;
++		}
++		if (!e->name) {
++			pr_err("Unsupported Atmel serial flash (id: 0x%X)\n", id);
++			return -ENOTSUPP;
++		}
++
++		break;
++	default:
++		pr_err("Unsupported flash type\n");
++		return -ENOTSUPP;
++	}
++
++	sflash->window = SSB_FLASH2;
++	sflash->blocksize = e->blocksize;
++	sflash->numblocks = e->numblocks;
++	sflash->size = sflash->blocksize * sflash->numblocks;
++	sflash->present = true;
++	sflash->read = ssb_sflash_read;
++	sflash->poll = ssb_sflash_poll;
++	sflash->write = ssb_sflash_write;
++	sflash->erase = ssb_sflash_erase;
++	sflash->type = BCM47XX_SFLASH_SSB;
++	sflash->scc = chipco;
++
++	pr_info("Found %s serial flash (size: %dKiB, blocksize: 0x%X, blocks: %d)\n",
++		  e->name, sflash->size / 1024, sflash->blocksize,
++		  sflash->numblocks);
++
++	/* Prepare platform device, but don't register it yet. It's too early,
++	 * malloc (required by device_private_init) is not available yet. */
++	ssb_sflash_dev.resource[0].end = ssb_sflash_dev.resource[0].start +
++					  sflash->size;
++	ssb_sflash_dev.dev.platform_data = sflash;
++
++	return 0;
++}
+--- a/drivers/ssb/driver_mipscore.c
++++ b/drivers/ssb/driver_mipscore.c
+@@ -203,7 +203,8 @@ static void ssb_mips_flash_detect(struct
+ 	switch (bus->chipco.capabilities & SSB_CHIPCO_CAP_FLASHT) {
+ 	case SSB_CHIPCO_FLASHT_STSER:
+ 	case SSB_CHIPCO_FLASHT_ATSER:
+-		pr_err("Serial flash not supported\n");
++		pr_debug("Found serial flash\n");
++		ssb_sflash_init(&bus->chipco);
+ 		break;
+ 	case SSB_CHIPCO_FLASHT_PARA:
+ 		pr_debug("Found parallel flash\n");
+--- a/drivers/ssb/main.c
++++ b/drivers/ssb/main.c
+@@ -18,6 +18,7 @@
+ #include <linux/ssb/ssb_driver_gige.h>
+ #include <linux/dma-mapping.h>
+ #include <linux/pci.h>
++#include <linux/platform_device.h>
+ #include <linux/mmc/sdio_func.h>
+ #include <linux/slab.h>
+ 
+@@ -534,6 +535,15 @@ static int ssb_devices_register(struct s
+ 		dev_idx++;
+ 	}
+ 
++#ifdef CONFIG_SSB_SFLASH
++	if (bus->chipco.sflash.present) {
++		err = platform_device_register(&ssb_sflash_dev);
++		if (err)
++			ssb_printk(KERN_ERR PFX
++				   "Error registering serial flash\n");
++	}
++#endif
++
+ 	return 0;
+ error:
+ 	/* Unwind the already registered devices. */
+--- a/drivers/ssb/ssb_private.h
++++ b/drivers/ssb/ssb_private.h
+@@ -211,4 +211,16 @@ static inline void b43_pci_ssb_bridge_ex
+ extern u32 ssb_pmu_get_cpu_clock(struct ssb_chipcommon *cc);
+ extern u32 ssb_pmu_get_controlclock(struct ssb_chipcommon *cc);
+ 
++#ifdef CONFIG_SSB_SFLASH
++/* driver_chipcommon_sflash.c */
++int ssb_sflash_init(struct ssb_chipcommon *chipco);
++extern struct platform_device ssb_sflash_dev;
++#else
++static inline int ssb_sflash_init(struct ssb_chipcommon *chipco)
++{
++	pr_err("Serial flash not supported\n");
++	return 0;
++}
++#endif /* CONFIG_SSB_SFLASH */
++
+ #endif /* LINUX_SSB_PRIVATE_H_ */
+--- a/include/linux/ssb/ssb_driver_chipcommon.h
++++ b/include/linux/ssb/ssb_driver_chipcommon.h
+@@ -13,6 +13,8 @@
+  * Licensed under the GPL version 2. See COPYING for details.
+  */
+ 
++#include <linux/mtd/bcm47xx_sflash.h>
++
+ /** ChipCommon core registers. **/
+ 
+ #define SSB_CHIPCO_CHIPID		0x0000
+@@ -121,6 +123,17 @@
+ #define  SSB_CHIPCO_FLASHCTL_BUSY	SSB_CHIPCO_FLASHCTL_START
+ #define SSB_CHIPCO_FLASHADDR		0x0044
+ #define SSB_CHIPCO_FLASHDATA		0x0048
++/* Status register bits for ST flashes */
++#define  SSB_CHIPCO_FLASHDATA_ST_WIP	0x01		/* Write In Progress */
++#define  SSB_CHIPCO_FLASHDATA_ST_WEL	0x02		/* Write Enable Latch */
++#define  SSB_CHIPCO_FLASHDATA_ST_BP_MASK	0x1c		/* Block Protect */
++#define  SSB_CHIPCO_FLASHDATA_ST_BP_SHIFT	2
++#define  SSB_CHIPCO_FLASHDATA_ST_SRWD	0x80		/* Status Register Write Disable */
++/* Status register bits for Atmel flashes */
++#define  SSB_CHIPCO_FLASHDATA_AT_READY	0x80
++#define  SSB_CHIPCO_FLASHDATA_AT_MISMATCH	0x40
++#define  SSB_CHIPCO_FLASHDATA_AT_ID_MASK	0x38
++#define  SSB_CHIPCO_FLASHDATA_AT_ID_SHIFT	3
+ #define SSB_CHIPCO_BCAST_ADDR		0x0050
+ #define SSB_CHIPCO_BCAST_DATA		0x0054
+ #define SSB_CHIPCO_GPIOPULLUP		0x0058		/* Rev >= 20 only */
+@@ -503,7 +516,7 @@
+ #define SSB_CHIPCO_FLASHCTL_ST_PP	0x0302		/* Page Program */
+ #define SSB_CHIPCO_FLASHCTL_ST_SE	0x02D8		/* Sector Erase */
+ #define SSB_CHIPCO_FLASHCTL_ST_BE	0x00C7		/* Bulk Erase */
+-#define SSB_CHIPCO_FLASHCTL_ST_DP	0x00B9		/* Deep Power-down */
++#define SSB_CHIPCO_FLASHCTL_ST_DP	0x00D9		/* Deep Power-down */
+ #define SSB_CHIPCO_FLASHCTL_ST_RES	0x03AB		/* Read Electronic Signature */
+ #define SSB_CHIPCO_FLASHCTL_ST_CSA	0x1000		/* Keep chip select asserted */
+ #define SSB_CHIPCO_FLASHCTL_ST_SSE	0x0220		/* Sub-sector Erase */
+@@ -591,6 +604,9 @@ struct ssb_chipcommon {
+ 	/* Fast Powerup Delay constant */
+ 	u16 fast_pwrup_delay;
+ 	struct ssb_chipcommon_pmu pmu;
++#ifdef CONFIG_SSB_SFLASH
++	struct bcm47xx_sflash sflash;
++#endif
+ };
+ 
+ static inline bool ssb_chipco_available(struct ssb_chipcommon *cc)
diff --git a/target/linux/brcm47xx/patches-3.6/061-ssb-register-parallel-flash-device.patch b/target/linux/brcm47xx/patches-3.6/061-ssb-register-parallel-flash-device.patch
new file mode 100644
index 0000000000..6e0d491842
--- /dev/null
+++ b/target/linux/brcm47xx/patches-3.6/061-ssb-register-parallel-flash-device.patch
@@ -0,0 +1,76 @@
+--- a/drivers/ssb/driver_mipscore.c
++++ b/drivers/ssb/driver_mipscore.c
+@@ -14,6 +14,7 @@
+ #include <linux/serial_core.h>
+ #include <linux/serial_reg.h>
+ #include <linux/time.h>
++#include <linux/platform_device.h>
+ 
+ #include "ssb_private.h"
+ 
+@@ -186,6 +187,19 @@ static void ssb_mips_serial_init(struct
+ 		mcore->nr_serial_ports = 0;
+ }
+ 
++static struct resource ssb_pflash_resource = {
++	.name	= "ssb_pflash",
++	.start	= 0,
++	.end	= 0,
++	.flags  = 0,
++};
++
++struct platform_device ssb_pflash_dev = {
++	.name		= "bcm47xx-pflash",
++	.resource	= &ssb_pflash_resource,
++	.num_resources	= 1,
++};
++
+ static void ssb_mips_flash_detect(struct ssb_mipscore *mcore)
+ {
+ 	struct ssb_bus *bus = mcore->dev->bus;
+@@ -196,6 +210,9 @@ static void ssb_mips_flash_detect(struct
+ 		mcore->pflash.buswidth = 2;
+ 		mcore->pflash.window = SSB_FLASH1;
+ 		mcore->pflash.window_size = SSB_FLASH1_SZ;
++		ssb_pflash_resource.start = mcore->pflash.window;
++		ssb_pflash_resource.end = mcore->pflash.window + 
++					  mcore->pflash.window_size;
+ 		return;
+ 	}
+ 
+@@ -216,6 +233,9 @@ static void ssb_mips_flash_detect(struct
+ 			mcore->pflash.buswidth = 1;
+ 		else
+ 			mcore->pflash.buswidth = 2;
++		ssb_pflash_resource.start = mcore->pflash.window;
++		ssb_pflash_resource.end = mcore->pflash.window + 
++					  mcore->pflash.window_size;
+ 		break;
+ 	}
+ }
+--- a/drivers/ssb/main.c
++++ b/drivers/ssb/main.c
+@@ -543,6 +543,14 @@ static int ssb_devices_register(struct s
+ 				   "Error registering serial flash\n");
+ 	}
+ #endif
++#ifdef CONFIG_SSB_DRIVER_MIPS
++	if (bus->mipscore.pflash.present) {
++		err = platform_device_register(&ssb_pflash_dev);
++		if (err)
++			ssb_printk(KERN_ERR PFX
++				   "Error registering parallel flash\n");
++	}
++#endif
+ 
+ 	return 0;
+ error:
+--- a/drivers/ssb/ssb_private.h
++++ b/drivers/ssb/ssb_private.h
+@@ -223,4 +223,6 @@ static inline int ssb_sflash_init(struct
+ }
+ #endif /* CONFIG_SSB_SFLASH */
+ 
++extern struct platform_device ssb_pflash_dev;
++
+ #endif /* LINUX_SSB_PRIVATE_H_ */
diff --git a/target/linux/brcm47xx/patches-3.6/070-bcma-add-functions-to-write-to-serial-flash.patch b/target/linux/brcm47xx/patches-3.6/070-bcma-add-functions-to-write-to-serial-flash.patch
new file mode 100644
index 0000000000..8fb70d68f4
--- /dev/null
+++ b/target/linux/brcm47xx/patches-3.6/070-bcma-add-functions-to-write-to-serial-flash.patch
@@ -0,0 +1,345 @@
+--- a/drivers/bcma/driver_chipcommon_sflash.c
++++ b/drivers/bcma/driver_chipcommon_sflash.c
+@@ -1,15 +1,22 @@
+ /*
+  * Broadcom specific AMBA
+  * ChipCommon serial flash interface
++ * Copyright 2011, Jonas Gorski <jonas.gorski@gmail.com>
++ * Copyright 2011, 2012, Hauke Mehrtens <hauke@hauke-m.de>
++ * Copyright 2010, Broadcom Corporation
+  *
+  * Licensed under the GNU/GPL. See COPYING for details.
+  */
+ 
+ #include <linux/platform_device.h>
++#include <linux/delay.h>
+ #include <linux/bcma/bcma.h>
++#include <linux/bcma/bcma_driver_chipcommon.h>
+ 
+ #include "bcma_private.h"
+ 
++#define NUM_RETRIES	3
++
+ static struct resource bcma_sflash_resource = {
+ 	.name	= "bcma_sflash",
+ 	.start	= BCMA_SOC_FLASH2,
+@@ -18,7 +25,7 @@ static struct resource bcma_sflash_resou
+ };
+ 
+ struct platform_device bcma_sflash_dev = {
+-	.name		= "bcma_sflash",
++	.name		= "bcm47xx-sflash",
+ 	.resource	= &bcma_sflash_resource,
+ 	.num_resources	= 1,
+ };
+@@ -30,7 +37,7 @@ struct bcma_sflash_tbl_e {
+ 	u16 numblocks;
+ };
+ 
+-static struct bcma_sflash_tbl_e bcma_sflash_st_tbl[] = {
++static const struct bcma_sflash_tbl_e bcma_sflash_st_tbl[] = {
+ 	{ "M25P20", 0x11, 0x10000, 4, },
+ 	{ "M25P40", 0x12, 0x10000, 8, },
+ 
+@@ -41,7 +48,7 @@ static struct bcma_sflash_tbl_e bcma_sfl
+ 	{ 0 },
+ };
+ 
+-static struct bcma_sflash_tbl_e bcma_sflash_sst_tbl[] = {
++static const struct bcma_sflash_tbl_e bcma_sflash_sst_tbl[] = {
+ 	{ "SST25WF512", 1, 0x1000, 16, },
+ 	{ "SST25VF512", 0x48, 0x1000, 16, },
+ 	{ "SST25WF010", 2, 0x1000, 32, },
+@@ -59,7 +66,7 @@ static struct bcma_sflash_tbl_e bcma_sfl
+ 	{ 0 },
+ };
+ 
+-static struct bcma_sflash_tbl_e bcma_sflash_at_tbl[] = {
++static const struct bcma_sflash_tbl_e bcma_sflash_at_tbl[] = {
+ 	{ "AT45DB011", 0xc, 256, 512, },
+ 	{ "AT45DB021", 0x14, 256, 1024, },
+ 	{ "AT45DB041", 0x1c, 256, 2048, },
+@@ -84,12 +91,230 @@ static void bcma_sflash_cmd(struct bcma_
+ 	bcma_err(cc->core->bus, "SFLASH control command failed (timeout)!\n");
+ }
+ 
++static void bcma_sflash_write_u8(struct bcma_drv_cc *cc, u32 offset, u8 byte)
++{
++	bcma_cc_write32(cc, BCMA_CC_FLASHADDR, offset);
++	bcma_cc_write32(cc, BCMA_CC_FLASHDATA, byte);
++}
++
++/* Read len bytes starting at offset into buf. Returns number of bytes read. */
++static int bcma_sflash_read(struct bcm47xx_sflash *dev, u32 offset, u32 len, u8 *buf)
++{
++	u8 *from, *to;
++	u32 cnt, i;
++	struct bcma_drv_cc *cc = dev->bcc;
++
++	if (!len)
++		return 0;
++
++	if ((offset + len) > cc->sflash.size)
++		return -EINVAL;
++
++	if ((len >= 4) && (offset & 3))
++		cnt = 4 - (offset & 3);
++	else if ((len >= 4) && ((u32)buf & 3))
++		cnt = 4 - ((u32)buf & 3);
++	else
++		cnt = len;
++
++	from = (u8 *)KSEG0ADDR(BCMA_SOC_FLASH2 + offset);
++
++	to = (u8 *)buf;
++
++	if (cnt < 4) {
++		for (i = 0; i < cnt; i++) {
++			*to = readb(from);
++			from++;
++			to++;
++		}
++		return cnt;
++	}
++
++	while (cnt >= 4) {
++		*(u32 *)to = readl(from);
++		from += 4;
++		to += 4;
++		cnt -= 4;
++	}
++
++	return len - cnt;
++}
++
++/* Poll for command completion. Returns zero when complete. */
++static int bcma_sflash_poll(struct bcm47xx_sflash *dev, u32 offset)
++{
++	struct bcma_drv_cc *cc = dev->bcc;
++
++	if (offset >= cc->sflash.size)
++		return -22;
++
++	switch (cc->capabilities & BCMA_CC_CAP_FLASHT) {
++	case BCMA_CC_FLASHT_STSER:
++		/* Check for ST Write In Progress bit */
++		bcma_sflash_cmd(cc, BCMA_CC_FLASHCTL_ST_RDSR);
++		return bcma_cc_read32(cc, BCMA_CC_FLASHDATA)
++				& BCMA_CC_FLASHDATA_ST_WIP;
++	case BCMA_CC_FLASHT_ATSER:
++		/* Check for Atmel Ready bit */
++		bcma_sflash_cmd(cc, BCMA_CC_FLASHCTL_AT_STATUS);
++		return !(bcma_cc_read32(cc, BCMA_CC_FLASHDATA)
++				& BCMA_CC_FLASHDATA_AT_READY);
++	}
++
++	return 0;
++}
++
++
++static int sflash_st_write(struct bcm47xx_sflash *dev, u32 offset, u32 len,
++			   const u8 *buf)
++{
++	int written = 1;
++	struct bcma_drv_cc *cc = dev->bcc;
++
++	/* Enable writes */
++	bcma_sflash_cmd(cc, BCMA_CC_FLASHCTL_ST_WREN);
++	bcma_sflash_write_u8(cc, offset, *buf++);
++	/* Issue a page program with CSA bit set */
++	bcma_sflash_cmd(cc, BCMA_CC_FLASHCTL_ST_CSA | BCMA_CC_FLASHCTL_ST_PP);
++	offset++;
++	len--;
++	while (len > 0) {
++		if ((offset & 255) == 0) {
++			/* Page boundary, poll droping cs and return */
++			bcma_cc_write32(cc, BCMA_CC_FLASHCTL, 0);
++			udelay(1);
++			if (!bcma_sflash_poll(dev, offset)) {
++				/* Flash rejected command */
++				return -EAGAIN;
++			}
++			return written;
++		} else {
++			/* Write single byte */
++			bcma_sflash_cmd(cc,
++					BCMA_CC_FLASHCTL_ST_CSA |
++					*buf++);
++		}
++		written++;
++		offset++;
++		len--;
++	}
++	/* All done, drop cs & poll */
++	bcma_cc_write32(cc, BCMA_CC_FLASHCTL, 0);
++	udelay(1);
++	if (!bcma_sflash_poll(dev, offset)) {
++		/* Flash rejected command */
++		return -EAGAIN;
++	}
++	return written;
++}
++
++static int sflash_at_write(struct bcm47xx_sflash *dev, u32 offset, u32 len,
++			   const u8 *buf)
++{
++	struct bcma_drv_cc *cc = dev->bcc;
++	u32 page, byte, mask;
++	int ret = 0;
++
++	mask = dev->blocksize - 1;
++	page = (offset & ~mask) << 1;
++	byte = offset & mask;
++	/* Read main memory page into buffer 1 */
++	if (byte || (len < dev->blocksize)) {
++		int i = 100;
++		bcma_cc_write32(cc, BCMA_CC_FLASHADDR, page);
++		bcma_sflash_cmd(cc, BCMA_CC_FLASHCTL_AT_BUF1_LOAD);
++		/* 250 us for AT45DB321B */
++		while (i > 0 && bcma_sflash_poll(dev, offset)) {
++			udelay(10);
++			i--;
++		}
++		BUG_ON(!bcma_sflash_poll(dev, offset));
++	}
++	/* Write into buffer 1 */
++	for (ret = 0; (ret < (int)len) && (byte < dev->blocksize); ret++) {
++		bcma_sflash_write_u8(cc, byte++, *buf++);
++		bcma_sflash_cmd(cc, BCMA_CC_FLASHCTL_AT_BUF1_WRITE);
++	}
++	/* Write buffer 1 into main memory page */
++	bcma_cc_write32(cc, BCMA_CC_FLASHADDR, page);
++	bcma_sflash_cmd(cc, BCMA_CC_FLASHCTL_AT_BUF1_PROGRAM);
++
++	return ret;
++}
++
++/* Write len bytes starting at offset into buf. Returns number of bytes
++ * written. Caller should poll for completion.
++ */
++static int bcma_sflash_write(struct bcm47xx_sflash *dev, u32 offset, u32 len,
++		      const u8 *buf)
++{
++	int ret = 0, tries = NUM_RETRIES;
++	struct bcma_drv_cc *cc = dev->bcc;
++
++	if (!len)
++		return 0;
++
++	if ((offset + len) > cc->sflash.size)
++		return -EINVAL;
++
++	switch (cc->capabilities & BCMA_CC_CAP_FLASHT) {
++	case BCMA_CC_FLASHT_STSER:
++		do {
++			ret = sflash_st_write(dev, offset, len, buf);
++			tries--;
++		} while (ret == -EAGAIN && tries > 0);
++
++		if (ret == -EAGAIN && tries == 0) {
++			bcma_info(cc->core->bus, "ST Flash rejected write\n");
++			ret = -EIO;
++		}
++		break;
++	case BCMA_CC_FLASHT_ATSER:
++		ret = sflash_at_write(dev, offset, len, buf);
++		break;
++	}
++
++	return ret;
++}
++
++/* Erase a region. Returns number of bytes scheduled for erasure.
++ * Caller should poll for completion.
++ */
++static int bcma_sflash_erase(struct bcm47xx_sflash *dev, u32 offset)
++{
++	struct bcma_drv_cc *cc = dev->bcc;
++
++	if (offset >= cc->sflash.size)
++		return -EINVAL;
++
++	switch (cc->capabilities & BCMA_CC_CAP_FLASHT) {
++	case BCMA_CC_FLASHT_STSER:
++		bcma_sflash_cmd(cc, BCMA_CC_FLASHCTL_ST_WREN);
++		bcma_cc_write32(cc, BCMA_CC_FLASHADDR, offset);
++		/* Newer flashes have "sub-sectors" which can be erased independently
++		 * with a new command: ST_SSE. The ST_SE command erases 64KB just as
++		 * before.
++		 */
++		if (dev->blocksize < (64 * 1024))
++			bcma_sflash_cmd(cc, BCMA_CC_FLASHCTL_ST_SSE);
++		else
++			bcma_sflash_cmd(cc, BCMA_CC_FLASHCTL_ST_SE);
++		return dev->blocksize;
++	case BCMA_CC_FLASHT_ATSER:
++		bcma_cc_write32(cc, BCMA_CC_FLASHADDR, offset << 1);
++		bcma_sflash_cmd(cc, BCMA_CC_FLASHCTL_AT_PAGE_ERASE);
++		return dev->blocksize;
++	}
++
++	return 0;
++}
++
+ /* Initialize serial flash access */
+ int bcma_sflash_init(struct bcma_drv_cc *cc)
+ {
+ 	struct bcma_bus *bus = cc->core->bus;
+-	struct bcma_sflash *sflash = &cc->sflash;
+-	struct bcma_sflash_tbl_e *e;
++	struct bcm47xx_sflash *sflash = &cc->sflash;
++	const struct bcma_sflash_tbl_e *e;
+ 	u32 id, id2;
+ 
+ 	switch (cc->capabilities & BCMA_CC_CAP_FLASHT) {
+@@ -150,6 +375,12 @@ int bcma_sflash_init(struct bcma_drv_cc
+ 	sflash->numblocks = e->numblocks;
+ 	sflash->size = sflash->blocksize * sflash->numblocks;
+ 	sflash->present = true;
++	sflash->read = bcma_sflash_read;
++	sflash->poll = bcma_sflash_poll;
++	sflash->write = bcma_sflash_write;
++	sflash->erase = bcma_sflash_erase;
++	sflash->type = BCM47XX_SFLASH_BCMA;
++	sflash->bcc = cc;
+ 
+ 	bcma_info(bus, "Found %s serial flash (size: %dKiB, blocksize: 0x%X, blocks: %d)\n",
+ 		  e->name, sflash->size / 1024, sflash->blocksize,
+--- a/include/linux/bcma/bcma_driver_chipcommon.h
++++ b/include/linux/bcma/bcma_driver_chipcommon.h
+@@ -1,6 +1,8 @@
+ #ifndef LINUX_BCMA_DRIVER_CC_H_
+ #define LINUX_BCMA_DRIVER_CC_H_
+ 
++#include <linux/mtd/bcm47xx_sflash.h>
++
+ /** ChipCommon core registers. **/
+ #define BCMA_CC_ID			0x0000
+ #define  BCMA_CC_ID_ID			0x0000FFFF
+@@ -516,17 +518,6 @@ struct bcma_pflash {
+ 	u32 window_size;
+ };
+ 
+-#ifdef CONFIG_BCMA_SFLASH
+-struct bcma_sflash {
+-	bool present;
+-	u32 window;
+-	u32 blocksize;
+-	u16 numblocks;
+-	u32 size;
+-
+-	struct mtd_info *mtd;
+-};
+-#endif
+ 
+ #ifdef CONFIG_BCMA_NFLASH
+ struct mtd_info;
+@@ -561,7 +552,7 @@ struct bcma_drv_cc {
+ #ifdef CONFIG_BCMA_DRIVER_MIPS
+ 	struct bcma_pflash pflash;
+ #ifdef CONFIG_BCMA_SFLASH
+-	struct bcma_sflash sflash;
++	struct bcm47xx_sflash sflash;
+ #endif
+ #ifdef CONFIG_BCMA_NFLASH
+ 	struct bcma_nflash nflash;
diff --git a/target/linux/brcm47xx/patches-3.6/071-bcma-add-functions-to-write-to-nand-flash.patch b/target/linux/brcm47xx/patches-3.6/071-bcma-add-functions-to-write-to-nand-flash.patch
new file mode 100644
index 0000000000..27c6677209
--- /dev/null
+++ b/target/linux/brcm47xx/patches-3.6/071-bcma-add-functions-to-write-to-nand-flash.patch
@@ -0,0 +1,232 @@
+--- a/drivers/bcma/driver_chipcommon_nflash.c
++++ b/drivers/bcma/driver_chipcommon_nflash.c
+@@ -2,16 +2,23 @@
+  * Broadcom specific AMBA
+  * ChipCommon NAND flash interface
+  *
++ * Copyright 2011, Tathagata Das <tathagata@alumnux.com>
++ * Copyright 2010, Broadcom Corporation
++ *
+  * Licensed under the GNU/GPL. See COPYING for details.
+  */
+ 
++#include <linux/delay.h>
++#include <linux/mtd/bcm47xx_nand.h>
++#include <linux/mtd/nand.h>
+ #include <linux/platform_device.h>
+ #include <linux/bcma/bcma.h>
++#include <linux/bcma/bcma_driver_chipcommon.h>
+ 
+ #include "bcma_private.h"
+ 
+ struct platform_device bcma_nflash_dev = {
+-	.name		= "bcma_nflash",
++	.name		= "bcm47xx-nflash",
+ 	.num_resources	= 0,
+ };
+ 
+@@ -31,6 +38,11 @@ int bcma_nflash_init(struct bcma_drv_cc
+ 		return -ENODEV;
+ 	}
+ 
++	if (bus->chipinfo.id == BCMA_CHIP_ID_BCM4706) {
++		bcma_err(bus, "NAND flash support for BCM4706 not implemented\n");
++		return -ENOTSUPP;
++	}
++
+ 	cc->nflash.present = true;
+ 	if (cc->core->id.rev == 38 &&
+ 	    (cc->status & BCMA_CC_CHIPST_5357_NAND_BOOT))
+@@ -42,3 +54,141 @@ int bcma_nflash_init(struct bcma_drv_cc
+ 
+ 	return 0;
+ }
++
++/* Issue a nand flash command */
++static inline void bcma_nflash_cmd(struct bcma_drv_cc *cc, u32 opcode)
++{
++	bcma_cc_write32(cc, NAND_CMD_START, opcode);
++	bcma_cc_read32(cc,  NAND_CMD_START);
++}
++
++/* Check offset and length */
++static int bcma_nflash_offset_is_valid(struct bcma_drv_cc *cc, u32 offset, u32 len, u32 mask)
++{
++	if ((offset & mask) != 0 || (len & mask) != 0) {
++		pr_err("%s(): Address is not aligned. offset: %x, len: %x, mask: %x\n", __func__, offset, len, mask);
++		return 1;
++	}
++
++	if ((((offset + len) >> 20) >= cc->nflash.size) &&
++		(((offset + len) & ((1 << 20) - 1)) != 0)) {
++		pr_err("%s(): Address is outside Flash memory region. offset: %x, len: %x, mask: %x\n", __func__, offset, len, mask);
++		return 1;
++	}
++
++	return 0;
++}
++
++#define NF_RETRIES   1000000
++
++/* Poll for command completion. Returns zero when complete. */
++int bcma_nflash_poll(struct bcma_drv_cc *cc)
++{
++	u32 retries = NF_RETRIES;
++	u32 pollmask = NIST_CTRL_READY|NIST_FLASH_READY;
++	u32 mask;
++
++	while (retries--) {
++		mask = bcma_cc_read32(cc, NAND_INTFC_STATUS) & pollmask;
++		if (mask == pollmask)
++			return 0;
++		cpu_relax();
++	}
++
++	if (!retries) {
++		pr_err("bcma_nflash_poll: not ready\n");
++		return -1;
++	}
++
++	return 0;
++}
++
++/* Read len bytes starting at offset into buf. Returns number of bytes read. */
++int bcma_nflash_read(struct bcma_drv_cc *cc, u32 offset, u32 len, u8 *buf)
++{
++	u32 mask;
++	int i;
++	u32 *to, val, res;
++
++	mask = NFL_SECTOR_SIZE - 1;
++	if (bcma_nflash_offset_is_valid(cc, offset, len, mask))
++		return 0;
++
++	to = (u32 *)buf;
++	res = len;
++	while (res > 0) {
++		bcma_cc_write32(cc, NAND_CMD_ADDR, offset);
++		bcma_nflash_cmd(cc, NCMD_PAGE_RD);
++		if (bcma_nflash_poll(cc) < 0)
++			break;
++		val = bcma_cc_read32(cc, NAND_INTFC_STATUS);
++		if ((val & NIST_CACHE_VALID) == 0)
++			break;
++		bcma_cc_write32(cc, NAND_CACHE_ADDR, 0);
++		for (i = 0; i < NFL_SECTOR_SIZE; i += 4, to++) {
++			*to = bcma_cc_read32(cc, NAND_CACHE_DATA);
++		}
++		res -= NFL_SECTOR_SIZE;
++		offset += NFL_SECTOR_SIZE;
++	}
++	return (len - res);
++}
++
++/* Write len bytes starting at offset into buf. Returns success (0) or failure (!0).
++ * Should poll for completion.
++ */
++int bcma_nflash_write(struct bcma_drv_cc *cc, u32 offset, u32 len,
++			    const u8 *buf)
++{
++	u32 mask;
++	int i;
++	u32 *from, res, reg;
++
++	mask = cc->nflash.pagesize - 1;
++	if (bcma_nflash_offset_is_valid(cc, offset, len, mask))
++		return 1;
++
++	/* disable partial page enable */
++	reg = bcma_cc_read32(cc, NAND_ACC_CONTROL);
++	reg &= ~NAC_PARTIAL_PAGE_EN;
++	bcma_cc_write32(cc, NAND_ACC_CONTROL, reg);
++
++	from = (u32 *)buf;
++	res = len;
++	while (res > 0) {
++		bcma_cc_write32(cc, NAND_CACHE_ADDR, 0);
++		for (i = 0; i < cc->nflash.pagesize; i += 4, from++) {
++			if (i % 512 == 0)
++				bcma_cc_write32(cc, NAND_CMD_ADDR, i);
++			bcma_cc_write32(cc, NAND_CACHE_DATA, *from);
++		}
++		bcma_cc_write32(cc, NAND_CMD_ADDR, offset + cc->nflash.pagesize - 512);
++		bcma_nflash_cmd(cc, NCMD_PAGE_PROG);
++		if (bcma_nflash_poll(cc) < 0)
++			break;
++		res -= cc->nflash.pagesize;
++		offset += cc->nflash.pagesize;
++	}
++
++	if (res <= 0)
++		return 0;
++	else
++		return (len - res);
++}
++
++/* Erase a region. Returns success (0) or failure (-1).
++ * Poll for completion.
++ */
++int bcma_nflash_erase(struct bcma_drv_cc *cc, u32 offset)
++{
++	if ((offset >> 20) >= cc->nflash.size)
++		return -1;
++	if ((offset & (cc->nflash.blocksize - 1)) != 0)
++		return -1;
++
++	bcma_cc_write32(cc, NAND_CMD_ADDR, offset);
++	bcma_nflash_cmd(cc, NCMD_BLOCK_ERASE);
++	if (bcma_nflash_poll(cc) < 0)
++		return -1;
++	return 0;
++}
+--- a/include/linux/bcma/bcma_driver_chipcommon.h
++++ b/include/linux/bcma/bcma_driver_chipcommon.h
+@@ -2,6 +2,7 @@
+ #define LINUX_BCMA_DRIVER_CC_H_
+ 
+ #include <linux/mtd/bcm47xx_sflash.h>
++#include <linux/mtd/bcm47xx_nand.h>
+ 
+ /** ChipCommon core registers. **/
+ #define BCMA_CC_ID			0x0000
+@@ -519,17 +520,6 @@ struct bcma_pflash {
+ };
+ 
+ 
+-#ifdef CONFIG_BCMA_NFLASH
+-struct mtd_info;
+-
+-struct bcma_nflash {
+-	bool present;
+-	bool boot;		/* This is the flash the SoC boots from */
+-
+-	struct mtd_info *mtd;
+-};
+-#endif
+-
+ struct bcma_serial_port {
+ 	void *regs;
+ 	unsigned long clockspeed;
+@@ -555,7 +545,7 @@ struct bcma_drv_cc {
+ 	struct bcm47xx_sflash sflash;
+ #endif
+ #ifdef CONFIG_BCMA_NFLASH
+-	struct bcma_nflash nflash;
++	struct bcm47xx_nflash nflash;
+ #endif
+ 
+ 	int nr_serial_ports;
+@@ -613,4 +603,13 @@ extern void bcma_chipco_regctl_maskset(s
+ 				       u32 offset, u32 mask, u32 set);
+ extern void bcma_pmu_spuravoid_pllupdate(struct bcma_drv_cc *cc, int spuravoid);
+ 
++#ifdef CONFIG_BCMA_NFLASH
++/* Chipcommon nflash support. */
++int bcma_nflash_read(struct bcma_drv_cc *cc, u32 offset, u32 len, u8 *buf);
++int bcma_nflash_poll(struct bcma_drv_cc *cc);
++int bcma_nflash_write(struct bcma_drv_cc *cc, u32 offset, u32 len, const u8 *buf);
++int bcma_nflash_erase(struct bcma_drv_cc *cc, u32 offset);
++int bcma_nflash_commit(struct bcma_drv_cc *cc, u32 offset, u32 len, const u8 *buf);
++#endif
++
+ #endif /* LINUX_BCMA_DRIVER_CC_H_ */
diff --git a/target/linux/brcm47xx/patches-3.6/072-bcma-register-parallel-flash-device.patch b/target/linux/brcm47xx/patches-3.6/072-bcma-register-parallel-flash-device.patch
new file mode 100644
index 0000000000..cacb903430
--- /dev/null
+++ b/target/linux/brcm47xx/patches-3.6/072-bcma-register-parallel-flash-device.patch
@@ -0,0 +1,67 @@
+--- a/drivers/bcma/bcma_private.h
++++ b/drivers/bcma/bcma_private.h
+@@ -45,6 +45,7 @@ int bcma_sprom_get(struct bcma_bus *bus)
+ /* driver_chipcommon.c */
+ #ifdef CONFIG_BCMA_DRIVER_MIPS
+ void bcma_chipco_serial_init(struct bcma_drv_cc *cc);
++extern struct platform_device bcma_pflash_dev;
+ #endif /* CONFIG_BCMA_DRIVER_MIPS */
+ 
+ /* driver_chipcommon_pmu.c */
+--- a/drivers/bcma/driver_mips.c
++++ b/drivers/bcma/driver_mips.c
+@@ -18,6 +18,7 @@
+ #include <linux/serial_core.h>
+ #include <linux/serial_reg.h>
+ #include <linux/time.h>
++#include <linux/platform_device.h>
+ 
+ /* The 47162a0 hangs when reading MIPS DMP registers registers */
+ static inline bool bcma_core_mips_bcm47162a0_quirk(struct bcma_device *dev)
+@@ -178,6 +179,19 @@ u32 bcma_cpu_clock(struct bcma_drv_mips
+ }
+ EXPORT_SYMBOL(bcma_cpu_clock);
+ 
++static struct resource bcma_pflash_resource = {
++	.name	= "bcma_pflash",
++	.start	= 0,
++	.end	= 0,
++	.flags  = 0,
++};
++
++struct platform_device bcma_pflash_dev = {
++	.name		= "bcm47xx-pflash",
++	.resource	= &bcma_pflash_resource,
++	.num_resources	= 1,
++};
++
+ static void bcma_core_mips_flash_detect(struct bcma_drv_mips *mcore)
+ {
+ 	struct bcma_bus *bus = mcore->core->bus;
+@@ -200,6 +214,9 @@ static void bcma_core_mips_flash_detect(
+ 			cc->pflash.buswidth = 1;
+ 		else
+ 			cc->pflash.buswidth = 2;
++
++		bcma_pflash_resource.start = cc->pflash.window;
++		bcma_pflash_resource.end = cc->pflash.window + cc->pflash.window_size;
+ 		break;
+ 	default:
+ 		bcma_err(bus, "Flash type not supported\n");
+--- a/drivers/bcma/main.c
++++ b/drivers/bcma/main.c
+@@ -149,6 +149,14 @@ static int bcma_register_cores(struct bc
+ 		dev_id++;
+ 	}
+ 
++#ifdef CONFIG_BCMA_DRIVER_MIPS
++	if (bus->drv_cc.pflash.present) {
++		err = platform_device_register(&bcma_pflash_dev);
++		if (err)
++			bcma_err(bus, "Error registering parallel flash\n");
++	}
++#endif
++
+ #ifdef CONFIG_BCMA_SFLASH
+ 	if (bus->drv_cc.sflash.present) {
+ 		err = platform_device_register(&bcma_sflash_dev);
diff --git a/target/linux/brcm47xx/patches-3.6/080-MIPS-BCM47XX-rewrite-nvram-probing.patch b/target/linux/brcm47xx/patches-3.6/080-MIPS-BCM47XX-rewrite-nvram-probing.patch
new file mode 100644
index 0000000000..a271876fa9
--- /dev/null
+++ b/target/linux/brcm47xx/patches-3.6/080-MIPS-BCM47XX-rewrite-nvram-probing.patch
@@ -0,0 +1,183 @@
+--- a/arch/mips/bcm47xx/nvram.c
++++ b/arch/mips/bcm47xx/nvram.c
+@@ -3,7 +3,7 @@
+  *
+  * Copyright (C) 2005 Broadcom Corporation
+  * Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org>
+- * Copyright (C) 2010-2011 Hauke Mehrtens <hauke@hauke-m.de>
++ * Copyright (C) 2010-2012 Hauke Mehrtens <hauke@hauke-m.de>
+  *
+  * 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
+@@ -23,69 +23,139 @@
+ 
+ static char nvram_buf[NVRAM_SPACE];
+ 
++static u32 find_nvram_size(u32 end)
++{
++	struct nvram_header *header;
++	u32 nvram_sizes[] = {0x8000, 0xF000, 0x10000};
++	int i;
++
++	for (i = 0; i < ARRAY_SIZE(nvram_sizes); i++) {
++		header = (struct nvram_header *)KSEG1ADDR(end - nvram_sizes[i]);
++		if (header->magic == NVRAM_HEADER)
++			return nvram_sizes[i];
++	}
++
++	return 0;
++}
++
+ /* Probe for NVRAM header */
+-static void early_nvram_init(void)
++static void early_nvram_init_fill(u32 base, u32 lim)
+ {
+-#ifdef CONFIG_BCM47XX_SSB
+-	struct ssb_mipscore *mcore_ssb;
+-#endif
+-#ifdef CONFIG_BCM47XX_BCMA
+-	struct bcma_drv_cc *bcma_cc;
+-#endif
+ 	struct nvram_header *header;
+ 	int i;
+-	u32 base = 0;
+-	u32 lim = 0;
+ 	u32 off;
+ 	u32 *src, *dst;
++	u32 size;
+ 
+-	switch (bcm47xx_bus_type) {
+-#ifdef CONFIG_BCM47XX_SSB
+-	case BCM47XX_BUS_TYPE_SSB:
+-		mcore_ssb = &bcm47xx_bus.ssb.mipscore;
+-		base = mcore_ssb->pflash.window;
+-		lim = mcore_ssb->pflash.window_size;
+-		break;
+-#endif
+-#ifdef CONFIG_BCM47XX_BCMA
+-	case BCM47XX_BUS_TYPE_BCMA:
+-		bcma_cc = &bcm47xx_bus.bcma.bus.drv_cc;
+-		base = bcma_cc->pflash.window;
+-		lim = bcma_cc->pflash.window_size;
+-		break;
+-#endif
+-	}
+-
++	/* TODO: when nvram is on nand flash check for bad blocks first. */
+ 	off = FLASH_MIN;
+ 	while (off <= lim) {
+ 		/* Windowed flash access */
+-		header = (struct nvram_header *)
+-			KSEG1ADDR(base + off - NVRAM_SPACE);
+-		if (header->magic == NVRAM_HEADER)
++		size = find_nvram_size(base + off);
++		if (size) {
++			header = (struct nvram_header *)KSEG1ADDR(base + off -
++								  size);
+ 			goto found;
++		}
+ 		off <<= 1;
+ 	}
+ 
+ 	/* Try embedded NVRAM at 4 KB and 1 KB as last resorts */
+ 	header = (struct nvram_header *) KSEG1ADDR(base + 4096);
+-	if (header->magic == NVRAM_HEADER)
++	if (header->magic == NVRAM_HEADER) {
++		size = NVRAM_SPACE;
+ 		goto found;
++	}
+ 
+ 	header = (struct nvram_header *) KSEG1ADDR(base + 1024);
+-	if (header->magic == NVRAM_HEADER)
++	if (header->magic == NVRAM_HEADER) {
++		size = NVRAM_SPACE;
+ 		goto found;
++	}
+ 
++	pr_err("no nvram found\n");
+ 	return;
+ 
+ found:
++
++	if (header->len > size)
++		pr_err("The nvram size accoridng to the header seems to be bigger than the partition on flash\n");
++	if (header->len > NVRAM_SPACE)
++		pr_err("nvram on flash (%i bytes) is bigger than the reserved space in memory, will just copy the first %i bytes\n",
++		       header->len, NVRAM_SPACE);
++
+ 	src = (u32 *) header;
+ 	dst = (u32 *) nvram_buf;
+ 	for (i = 0; i < sizeof(struct nvram_header); i += 4)
+ 		*dst++ = *src++;
+-	for (; i < header->len && i < NVRAM_SPACE; i += 4)
++	for (; i < header->len && i < NVRAM_SPACE && i < size; i += 4)
+ 		*dst++ = le32_to_cpu(*src++);
+ }
+ 
++#ifdef CONFIG_BCM47XX_BCMA
++static void early_nvram_init_bcma(void)
++{
++	struct bcma_drv_cc *cc = &bcm47xx_bus.bcma.bus.drv_cc;
++	u32 base = 0;
++	u32 lim = 0;
++
++	if (cc->nflash.boot) {
++		base = BCMA_SOC_FLASH1;
++		lim = BCMA_SOC_FLASH1_SZ;
++	} else if (cc->pflash.present) {
++		base = cc->pflash.window;
++		lim = cc->pflash.window_size;
++	} else if (cc->sflash.present) {
++		base = cc->sflash.window;
++		lim = cc->sflash.size;
++	} else {
++		pr_err("No supported flash found\n");
++		return;
++	}
++
++	early_nvram_init_fill(base, lim);
++}
++#endif
++
++#ifdef CONFIG_BCM47XX_SSB
++static void early_nvram_init_ssb(void)
++{
++	struct ssb_mipscore *mcore = &bcm47xx_bus.ssb.mipscore;
++	struct ssb_chipcommon *chipco = &bcm47xx_bus.ssb.chipco;
++	u32 base = 0;
++	u32 lim = 0;
++
++	if (mcore->pflash.present) {
++		base = mcore->pflash.window;
++		lim = mcore->pflash.window_size;
++	} else if (chipco->sflash.present) {
++		base = chipco->sflash.window;
++		lim = chipco->sflash.size;
++	} else {
++		pr_err("No supported flash found\n");
++		return;
++	}
++
++	early_nvram_init_fill(base, lim);
++}
++#endif
++
++static void early_nvram_init(void)
++{
++	switch (bcm47xx_bus_type) {
++#ifdef CONFIG_BCM47XX_SSB
++	case BCM47XX_BUS_TYPE_SSB:
++		early_nvram_init_ssb();
++		break;
++#endif
++#ifdef CONFIG_BCM47XX_BCMA
++	case BCM47XX_BUS_TYPE_BCMA:
++		early_nvram_init_bcma();
++		break;
++#endif
++	}
++}
++
+ int nvram_getenv(char *name, char *val, size_t val_len)
+ {
+ 	char *var, *value, *end, *eq;
diff --git a/target/linux/brcm47xx/patches-3.6/114-MIPS-BCM47xx-Setup-and-register-serial-early.patch b/target/linux/brcm47xx/patches-3.6/114-MIPS-BCM47xx-Setup-and-register-serial-early.patch
new file mode 100644
index 0000000000..5e324e473b
--- /dev/null
+++ b/target/linux/brcm47xx/patches-3.6/114-MIPS-BCM47xx-Setup-and-register-serial-early.patch
@@ -0,0 +1,69 @@
+From 9be402f069cc259ad5795b77567d66c4e7f6bef6 Mon Sep 17 00:00:00 2001
+From: Hauke Mehrtens <hauke@hauke-m.de>
+Date: Sun, 18 Jul 2010 14:59:24 +0200
+Subject: [PATCH 4/6] MIPS: BCM47xx: Setup and register serial early
+
+Swap the first and second serial if console=ttyS1 was set.
+Set it up and register it for early serial support.
+
+This patch has been in OpenWRT for a long time.
+
+Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
+---
+ arch/mips/bcm47xx/setup.c |   39 ++++++++++++++++++++++++++++++++++++++-
+ 1 files changed, 38 insertions(+), 1 deletions(-)
+
+--- a/arch/mips/bcm47xx/setup.c
++++ b/arch/mips/bcm47xx/setup.c
+@@ -31,6 +31,8 @@
+ #include <linux/ssb/ssb.h>
+ #include <linux/ssb/ssb_embedded.h>
+ #include <linux/bcma/bcma_soc.h>
++#include <linux/serial.h>
++#include <linux/serial_8250.h>
+ #include <asm/bootinfo.h>
+ #include <asm/reboot.h>
+ #include <asm/time.h>
+@@ -121,6 +123,31 @@ static int bcm47xx_get_invariants(struct
+ 	return 0;
+ }
+ 
++#ifdef CONFIG_SERIAL_8250
++static void __init bcm47xx_early_serial_setup(struct ssb_mipscore *mcore)
++{
++	int i;
++
++	for (i = 0; i < mcore->nr_serial_ports; i++) {
++		struct ssb_serial_port *port = &(mcore->serial_ports[i]);
++		struct uart_port s;
++
++		memset(&s, 0, sizeof(s));
++		s.line = i;
++		s.mapbase = (unsigned int) port->regs;
++		s.membase = port->regs;
++		s.irq = port->irq + 2;
++		s.uartclk = port->baud_base;
++		s.flags = UPF_BOOT_AUTOCONF | UPF_SHARE_IRQ;
++		s.iotype = SERIAL_IO_MEM;
++		s.regshift = port->reg_shift;
++
++		early_serial_setup(&s);
++	}
++	printk(KERN_DEBUG "Serial init done.\n");
++}
++#endif
++
+ static void __init bcm47xx_register_ssb(void)
+ {
+ 	int err;
+@@ -150,6 +177,10 @@ static void __init bcm47xx_register_ssb(
+ 			memcpy(&mcore->serial_ports[1], &port, sizeof(port));
+ 		}
+ 	}
++
++#ifdef CONFIG_SERIAL_8250
++	bcm47xx_early_serial_setup(mcore);
++#endif
+ }
+ #endif
+ 
diff --git a/target/linux/brcm47xx/patches-3.6/116-MIPS-BCM47xx-Remove-CFE-console.patch b/target/linux/brcm47xx/patches-3.6/116-MIPS-BCM47xx-Remove-CFE-console.patch
new file mode 100644
index 0000000000..8d2f7ca4e1
--- /dev/null
+++ b/target/linux/brcm47xx/patches-3.6/116-MIPS-BCM47xx-Remove-CFE-console.patch
@@ -0,0 +1,141 @@
+From 5219981646071abb6731634bf47781a53e248764 Mon Sep 17 00:00:00 2001
+From: Hauke Mehrtens <hauke@hauke-m.de>
+Date: Sun, 18 Jul 2010 15:11:26 +0200
+Subject: [PATCH 6/6] MIPS: BCM47xx: Remove CFE console
+
+Do not use the CFE console. It causes hangs on some devices like the
+Buffalo WHR-HP-G54.
+This was reported in https://dev.openwrt.org/ticket/4061 and
+https://forum.openwrt.org/viewtopic.php?id=17063
+
+Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
+---
+ arch/mips/Kconfig        |    1 -
+ arch/mips/bcm47xx/prom.c |   82 +++------------------------------------------
+ 2 files changed, 6 insertions(+), 77 deletions(-)
+
+--- a/arch/mips/Kconfig
++++ b/arch/mips/Kconfig
+@@ -109,7 +109,6 @@ config BCM47XX
+ 	select SYS_SUPPORTS_32BIT_KERNEL
+ 	select SYS_SUPPORTS_LITTLE_ENDIAN
+ 	select GENERIC_GPIO
+-	select SYS_HAS_EARLY_PRINTK
+ 	select CFE
+ 	help
+ 	 Support for BCM47XX based boards
+--- a/arch/mips/bcm47xx/prom.c
++++ b/arch/mips/bcm47xx/prom.c
+@@ -31,96 +31,28 @@
+ #include <asm/fw/cfe/cfe_api.h>
+ #include <asm/fw/cfe/cfe_error.h>
+ 
+-static int cfe_cons_handle;
+-
+ const char *get_system_type(void)
+ {
+ 	return "Broadcom BCM47XX";
+ }
+ 
+-void prom_putchar(char c)
+-{
+-	while (cfe_write(cfe_cons_handle, &c, 1) == 0)
+-		;
+-}
+-
+-static __init void prom_init_cfe(void)
++static __init int prom_init_cfe(void)
+ {
+ 	uint32_t cfe_ept;
+ 	uint32_t cfe_handle;
+ 	uint32_t cfe_eptseal;
+-	int argc = fw_arg0;
+-	char **envp = (char **) fw_arg2;
+-	int *prom_vec = (int *) fw_arg3;
+-
+-	/*
+-	 * Check if a loader was used; if NOT, the 4 arguments are
+-	 * what CFE gives us (handle, 0, EPT and EPTSEAL)
+-	 */
+-	if (argc < 0) {
+-		cfe_handle = (uint32_t)argc;
+-		cfe_ept = (uint32_t)envp;
+-		cfe_eptseal = (uint32_t)prom_vec;
+-	} else {
+-		if ((int)prom_vec < 0) {
+-			/*
+-			 * Old loader; all it gives us is the handle,
+-			 * so use the "known" entrypoint and assume
+-			 * the seal.
+-			 */
+-			cfe_handle = (uint32_t)prom_vec;
+-			cfe_ept = 0xBFC00500;
+-			cfe_eptseal = CFE_EPTSEAL;
+-		} else {
+-			/*
+-			 * Newer loaders bundle the handle/ept/eptseal
+-			 * Note: prom_vec is in the loader's useg
+-			 * which is still alive in the TLB.
+-			 */
+-			cfe_handle = prom_vec[0];
+-			cfe_ept = prom_vec[2];
+-			cfe_eptseal = prom_vec[3];
+-		}
+-	}
++
++	cfe_eptseal = (uint32_t) fw_arg3;
++	cfe_handle = (uint32_t) fw_arg0;
++	cfe_ept = (uint32_t) fw_arg2;
+ 
+ 	if (cfe_eptseal != CFE_EPTSEAL) {
+-		/* too early for panic to do any good */
+ 		printk(KERN_ERR "CFE's entrypoint seal doesn't match.");
+-		while (1) ;
++		return -1;
+ 	}
+ 
+ 	cfe_init(cfe_handle, cfe_ept);
+-}
+-
+-static __init void prom_init_console(void)
+-{
+-	/* Initialize CFE console */
+-	cfe_cons_handle = cfe_getstdhandle(CFE_STDHANDLE_CONSOLE);
+-}
+-
+-static __init void prom_init_cmdline(void)
+-{
+-	static char buf[COMMAND_LINE_SIZE] __initdata;
+-
+-	/* Get the kernel command line from CFE */
+-	if (cfe_getenv("LINUX_CMDLINE", buf, COMMAND_LINE_SIZE) >= 0) {
+-		buf[COMMAND_LINE_SIZE - 1] = 0;
+-		strcpy(arcs_cmdline, buf);
+-	}
+-
+-	/* Force a console handover by adding a console= argument if needed,
+-	 * as CFE is not available anymore later in the boot process. */
+-	if ((strstr(arcs_cmdline, "console=")) == NULL) {
+-		/* Try to read the default serial port used by CFE */
+-		if ((cfe_getenv("BOOT_CONSOLE", buf, COMMAND_LINE_SIZE) < 0)
+-		    || (strncmp("uart", buf, 4)))
+-			/* Default to uart0 */
+-			strcpy(buf, "uart0");
+-
+-		/* Compute the new command line */
+-		snprintf(arcs_cmdline, COMMAND_LINE_SIZE, "%s console=ttyS%c,115200",
+-			 arcs_cmdline, buf[4]);
+-	}
++	return 0;
+ }
+ 
+ static __init void prom_init_mem(void)
+@@ -161,8 +93,6 @@ static __init void prom_init_mem(void)
+ void __init prom_init(void)
+ {
+ 	prom_init_cfe();
+-	prom_init_console();
+-	prom_init_cmdline();
+ 	prom_init_mem();
+ }
+ 
diff --git a/target/linux/brcm47xx/patches-3.6/119-fix-boot.patch b/target/linux/brcm47xx/patches-3.6/119-fix-boot.patch
new file mode 100644
index 0000000000..6abfd8d27f
--- /dev/null
+++ b/target/linux/brcm47xx/patches-3.6/119-fix-boot.patch
@@ -0,0 +1,16 @@
+--- a/arch/mips/Kconfig
++++ b/arch/mips/Kconfig
+@@ -101,11 +101,13 @@ config ATH79
+ 
+ config BCM47XX
+ 	bool "Broadcom BCM47XX based boards"
++	select BOOT_RAW
+ 	select CEVT_R4K
+ 	select CSRC_R4K
+ 	select DMA_NONCOHERENT
+ 	select HW_HAS_PCI
+ 	select IRQ_CPU
++	select NO_EXCEPT_FILL
+ 	select SYS_SUPPORTS_32BIT_KERNEL
+ 	select SYS_SUPPORTS_LITTLE_ENDIAN
+ 	select GENERIC_GPIO
diff --git a/target/linux/brcm47xx/patches-3.6/150-cpu_fixes.patch b/target/linux/brcm47xx/patches-3.6/150-cpu_fixes.patch
new file mode 100644
index 0000000000..cbaef88ea3
--- /dev/null
+++ b/target/linux/brcm47xx/patches-3.6/150-cpu_fixes.patch
@@ -0,0 +1,368 @@
+--- a/arch/mips/include/asm/r4kcache.h
++++ b/arch/mips/include/asm/r4kcache.h
+@@ -17,6 +17,20 @@
+ #include <asm/cpu-features.h>
+ #include <asm/mipsmtregs.h>
+ 
++#ifdef CONFIG_BCM47XX
++#include <asm/paccess.h>
++#include <linux/ssb/ssb.h>
++#define BCM4710_DUMMY_RREG() ((void) *((u8 *) KSEG1ADDR(SSB_ENUM_BASE)))
++
++#define BCM4710_FILL_TLB(addr) (*(volatile unsigned long *)(addr))
++#define BCM4710_PROTECTED_FILL_TLB(addr) ({ unsigned long x; get_dbe(x, (volatile unsigned long *)(addr)); })
++#else
++#define BCM4710_DUMMY_RREG()
++
++#define BCM4710_FILL_TLB(addr)
++#define BCM4710_PROTECTED_FILL_TLB(addr)
++#endif
++
+ /*
+  * This macro return a properly sign-extended address suitable as base address
+  * for indexed cache operations.  Two issues here:
+@@ -150,6 +164,7 @@ static inline void flush_icache_line_ind
+ static inline void flush_dcache_line_indexed(unsigned long addr)
+ {
+ 	__dflush_prologue
++	BCM4710_DUMMY_RREG();
+ 	cache_op(Index_Writeback_Inv_D, addr);
+ 	__dflush_epilogue
+ }
+@@ -169,6 +184,7 @@ static inline void flush_icache_line(uns
+ static inline void flush_dcache_line(unsigned long addr)
+ {
+ 	__dflush_prologue
++	BCM4710_DUMMY_RREG();
+ 	cache_op(Hit_Writeback_Inv_D, addr);
+ 	__dflush_epilogue
+ }
+@@ -176,6 +192,7 @@ static inline void flush_dcache_line(uns
+ static inline void invalidate_dcache_line(unsigned long addr)
+ {
+ 	__dflush_prologue
++	BCM4710_DUMMY_RREG();
+ 	cache_op(Hit_Invalidate_D, addr);
+ 	__dflush_epilogue
+ }
+@@ -208,6 +225,7 @@ static inline void flush_scache_line(uns
+  */
+ static inline void protected_flush_icache_line(unsigned long addr)
+ {
++	BCM4710_DUMMY_RREG();
+ 	protected_cache_op(Hit_Invalidate_I, addr);
+ }
+ 
+@@ -219,6 +237,7 @@ static inline void protected_flush_icach
+  */
+ static inline void protected_writeback_dcache_line(unsigned long addr)
+ {
++	BCM4710_DUMMY_RREG();
+ 	protected_cache_op(Hit_Writeback_Inv_D, addr);
+ }
+ 
+@@ -339,8 +358,52 @@ static inline void invalidate_tcache_pag
+ 		: "r" (base),						\
+ 		  "i" (op));
+ 
++static inline void blast_dcache(void)
++{
++	unsigned long start = KSEG0;
++	unsigned long dcache_size = current_cpu_data.dcache.waysize * current_cpu_data.dcache.ways;
++	unsigned long end = (start + dcache_size);
++
++	do {
++		BCM4710_DUMMY_RREG();
++		cache_op(Index_Writeback_Inv_D, start);
++		start += current_cpu_data.dcache.linesz;
++	} while(start < end);
++}
++
++static inline void blast_dcache_page(unsigned long page)
++{
++	unsigned long start = page;
++	unsigned long end = start + PAGE_SIZE;
++
++	BCM4710_FILL_TLB(start);
++	do {
++		BCM4710_DUMMY_RREG();
++		cache_op(Hit_Writeback_Inv_D, start);
++		start += current_cpu_data.dcache.linesz;
++	} while(start < end);
++}
++
++static inline void blast_dcache_page_indexed(unsigned long page)
++{
++	unsigned long start = page;
++	unsigned long end = start + PAGE_SIZE;
++	unsigned long ws_inc = 1UL << current_cpu_data.dcache.waybit;
++	unsigned long ws_end = current_cpu_data.dcache.ways <<
++	                       current_cpu_data.dcache.waybit;
++	unsigned long ws, addr;
++	for (ws = 0; ws < ws_end; ws += ws_inc) {
++		start = page + ws;
++		for (addr = start; addr < end; addr += current_cpu_data.dcache.linesz) {
++			BCM4710_DUMMY_RREG();
++			cache_op(Index_Writeback_Inv_D, addr);
++		}
++	}
++}
++
++
+ /* build blast_xxx, blast_xxx_page, blast_xxx_page_indexed */
+-#define __BUILD_BLAST_CACHE(pfx, desc, indexop, hitop, lsize) \
++#define __BUILD_BLAST_CACHE(pfx, desc, indexop, hitop, lsize, war) \
+ static inline void blast_##pfx##cache##lsize(void)			\
+ {									\
+ 	unsigned long start = INDEX_BASE;				\
+@@ -352,6 +415,7 @@ static inline void blast_##pfx##cache##l
+ 									\
+ 	__##pfx##flush_prologue						\
+ 									\
++	war								\
+ 	for (ws = 0; ws < ws_end; ws += ws_inc)				\
+ 		for (addr = start; addr < end; addr += lsize * 32)	\
+ 			cache##lsize##_unroll32(addr|ws, indexop);	\
+@@ -366,6 +430,7 @@ static inline void blast_##pfx##cache##l
+ 									\
+ 	__##pfx##flush_prologue						\
+ 									\
++	war								\
+ 	do {								\
+ 		cache##lsize##_unroll32(start, hitop);			\
+ 		start += lsize * 32;					\
+@@ -384,6 +449,8 @@ static inline void blast_##pfx##cache##l
+ 	                       current_cpu_data.desc.waybit;		\
+ 	unsigned long ws, addr;						\
+ 									\
++	war								\
++									\
+ 	__##pfx##flush_prologue						\
+ 									\
+ 	for (ws = 0; ws < ws_end; ws += ws_inc)				\
+@@ -393,36 +460,38 @@ static inline void blast_##pfx##cache##l
+ 	__##pfx##flush_epilogue						\
+ }
+ 
+-__BUILD_BLAST_CACHE(d, dcache, Index_Writeback_Inv_D, Hit_Writeback_Inv_D, 16)
+-__BUILD_BLAST_CACHE(i, icache, Index_Invalidate_I, Hit_Invalidate_I, 16)
+-__BUILD_BLAST_CACHE(s, scache, Index_Writeback_Inv_SD, Hit_Writeback_Inv_SD, 16)
+-__BUILD_BLAST_CACHE(d, dcache, Index_Writeback_Inv_D, Hit_Writeback_Inv_D, 32)
+-__BUILD_BLAST_CACHE(i, icache, Index_Invalidate_I, Hit_Invalidate_I, 32)
+-__BUILD_BLAST_CACHE(s, scache, Index_Writeback_Inv_SD, Hit_Writeback_Inv_SD, 32)
+-__BUILD_BLAST_CACHE(d, dcache, Index_Writeback_Inv_D, Hit_Writeback_Inv_D, 64)
+-__BUILD_BLAST_CACHE(i, icache, Index_Invalidate_I, Hit_Invalidate_I, 64)
+-__BUILD_BLAST_CACHE(s, scache, Index_Writeback_Inv_SD, Hit_Writeback_Inv_SD, 64)
+-__BUILD_BLAST_CACHE(s, scache, Index_Writeback_Inv_SD, Hit_Writeback_Inv_SD, 128)
+-
+-__BUILD_BLAST_CACHE(inv_d, dcache, Index_Writeback_Inv_D, Hit_Invalidate_D, 16)
+-__BUILD_BLAST_CACHE(inv_d, dcache, Index_Writeback_Inv_D, Hit_Invalidate_D, 32)
+-__BUILD_BLAST_CACHE(inv_s, scache, Index_Writeback_Inv_SD, Hit_Invalidate_SD, 16)
+-__BUILD_BLAST_CACHE(inv_s, scache, Index_Writeback_Inv_SD, Hit_Invalidate_SD, 32)
+-__BUILD_BLAST_CACHE(inv_s, scache, Index_Writeback_Inv_SD, Hit_Invalidate_SD, 64)
+-__BUILD_BLAST_CACHE(inv_s, scache, Index_Writeback_Inv_SD, Hit_Invalidate_SD, 128)
++__BUILD_BLAST_CACHE(d, dcache, Index_Writeback_Inv_D, Hit_Writeback_Inv_D, 16, )
++__BUILD_BLAST_CACHE(i, icache, Index_Invalidate_I, Hit_Invalidate_I, 16, BCM4710_FILL_TLB(start);)
++__BUILD_BLAST_CACHE(s, scache, Index_Writeback_Inv_SD, Hit_Writeback_Inv_SD, 16, )
++__BUILD_BLAST_CACHE(d, dcache, Index_Writeback_Inv_D, Hit_Writeback_Inv_D, 32, )
++__BUILD_BLAST_CACHE(i, icache, Index_Invalidate_I, Hit_Invalidate_I, 32, BCM4710_FILL_TLB(start);)
++__BUILD_BLAST_CACHE(s, scache, Index_Writeback_Inv_SD, Hit_Writeback_Inv_SD, 32, )
++__BUILD_BLAST_CACHE(d, dcache, Index_Writeback_Inv_D, Hit_Writeback_Inv_D, 64, )
++__BUILD_BLAST_CACHE(i, icache, Index_Invalidate_I, Hit_Invalidate_I, 64, BCM4710_FILL_TLB(start);)
++__BUILD_BLAST_CACHE(s, scache, Index_Writeback_Inv_SD, Hit_Writeback_Inv_SD, 64, )
++__BUILD_BLAST_CACHE(s, scache, Index_Writeback_Inv_SD, Hit_Writeback_Inv_SD, 128, )
++
++__BUILD_BLAST_CACHE(inv_d, dcache, Index_Writeback_Inv_D, Hit_Invalidate_D, 16, )
++__BUILD_BLAST_CACHE(inv_d, dcache, Index_Writeback_Inv_D, Hit_Invalidate_D, 32, )
++__BUILD_BLAST_CACHE(inv_s, scache, Index_Writeback_Inv_SD, Hit_Invalidate_SD, 16, )
++__BUILD_BLAST_CACHE(inv_s, scache, Index_Writeback_Inv_SD, Hit_Invalidate_SD, 32, )
++__BUILD_BLAST_CACHE(inv_s, scache, Index_Writeback_Inv_SD, Hit_Invalidate_SD, 64, )
++__BUILD_BLAST_CACHE(inv_s, scache, Index_Writeback_Inv_SD, Hit_Invalidate_SD, 128, )
+ 
+ /* build blast_xxx_range, protected_blast_xxx_range */
+-#define __BUILD_BLAST_CACHE_RANGE(pfx, desc, hitop, prot) \
++#define __BUILD_BLAST_CACHE_RANGE(pfx, desc, hitop, prot, war, war2) \
+ static inline void prot##blast_##pfx##cache##_range(unsigned long start, \
+ 						    unsigned long end)	\
+ {									\
+ 	unsigned long lsize = cpu_##desc##_line_size();			\
+ 	unsigned long addr = start & ~(lsize - 1);			\
+ 	unsigned long aend = (end - 1) & ~(lsize - 1);			\
++	war								\
+ 									\
+ 	__##pfx##flush_prologue						\
+ 									\
+ 	while (1) {							\
++		war2						\
+ 		prot##cache_op(hitop, addr);				\
+ 		if (addr == aend)					\
+ 			break;						\
+@@ -432,13 +501,13 @@ static inline void prot##blast_##pfx##ca
+ 	__##pfx##flush_epilogue						\
+ }
+ 
+-__BUILD_BLAST_CACHE_RANGE(d, dcache, Hit_Writeback_Inv_D, protected_)
+-__BUILD_BLAST_CACHE_RANGE(s, scache, Hit_Writeback_Inv_SD, protected_)
+-__BUILD_BLAST_CACHE_RANGE(i, icache, Hit_Invalidate_I, protected_)
+-__BUILD_BLAST_CACHE_RANGE(d, dcache, Hit_Writeback_Inv_D, )
+-__BUILD_BLAST_CACHE_RANGE(s, scache, Hit_Writeback_Inv_SD, )
++__BUILD_BLAST_CACHE_RANGE(d, dcache, Hit_Writeback_Inv_D, protected_, BCM4710_PROTECTED_FILL_TLB(addr); BCM4710_PROTECTED_FILL_TLB(aend);, BCM4710_DUMMY_RREG();)
++__BUILD_BLAST_CACHE_RANGE(s, scache, Hit_Writeback_Inv_SD, protected_,, )
++__BUILD_BLAST_CACHE_RANGE(i, icache, Hit_Invalidate_I, protected_,, )
++__BUILD_BLAST_CACHE_RANGE(d, dcache, Hit_Writeback_Inv_D,, BCM4710_FILL_TLB(addr); BCM4710_FILL_TLB(aend);, BCM4710_DUMMY_RREG();)
++__BUILD_BLAST_CACHE_RANGE(s, scache, Hit_Writeback_Inv_SD,,, )
+ /* blast_inv_dcache_range */
+-__BUILD_BLAST_CACHE_RANGE(inv_d, dcache, Hit_Invalidate_D, )
+-__BUILD_BLAST_CACHE_RANGE(inv_s, scache, Hit_Invalidate_SD, )
++__BUILD_BLAST_CACHE_RANGE(inv_d, dcache, Hit_Invalidate_D,,,BCM4710_DUMMY_RREG();)
++__BUILD_BLAST_CACHE_RANGE(inv_s, scache, Hit_Invalidate_SD,,, )
+ 
+ #endif /* _ASM_R4KCACHE_H */
+--- a/arch/mips/include/asm/stackframe.h
++++ b/arch/mips/include/asm/stackframe.h
+@@ -449,6 +449,10 @@
+ 		.macro	RESTORE_SP_AND_RET
+ 		LONG_L	sp, PT_R29(sp)
+ 		.set	mips3
++#ifdef CONFIG_BCM47XX
++		nop
++		nop
++#endif
+ 		eret
+ 		.set	mips0
+ 		.endm
+--- a/arch/mips/kernel/genex.S
++++ b/arch/mips/kernel/genex.S
+@@ -52,6 +52,10 @@ NESTED(except_vec1_generic, 0, sp)
+ NESTED(except_vec3_generic, 0, sp)
+ 	.set	push
+ 	.set	noat
++#ifdef CONFIG_BCM47XX
++	nop
++	nop
++#endif
+ #if R5432_CP0_INTERRUPT_WAR
+ 	mfc0	k0, CP0_INDEX
+ #endif
+--- a/arch/mips/mm/c-r4k.c
++++ b/arch/mips/mm/c-r4k.c
+@@ -34,6 +34,9 @@
+ #include <asm/cacheflush.h> /* for run_uncached() */
+ #include <asm/traps.h>
+ 
++/* For enabling BCM4710 cache workarounds */
++int bcm4710 = 0;
++
+ /*
+  * Special Variant of smp_call_function for use by cache functions:
+  *
+@@ -110,6 +113,9 @@ static void __cpuinit r4k_blast_dcache_p
+ {
+ 	unsigned long  dc_lsize = cpu_dcache_line_size();
+ 
++	if (bcm4710)
++		r4k_blast_dcache_page = blast_dcache_page;
++	else
+ 	if (dc_lsize == 0)
+ 		r4k_blast_dcache_page = (void *)cache_noop;
+ 	else if (dc_lsize == 16)
+@@ -126,6 +132,9 @@ static void __cpuinit r4k_blast_dcache_p
+ {
+ 	unsigned long dc_lsize = cpu_dcache_line_size();
+ 
++	if (bcm4710)
++		r4k_blast_dcache_page_indexed = blast_dcache_page_indexed;
++	else
+ 	if (dc_lsize == 0)
+ 		r4k_blast_dcache_page_indexed = (void *)cache_noop;
+ 	else if (dc_lsize == 16)
+@@ -142,6 +151,9 @@ static void __cpuinit r4k_blast_dcache_s
+ {
+ 	unsigned long dc_lsize = cpu_dcache_line_size();
+ 
++	if (bcm4710)
++		r4k_blast_dcache = blast_dcache;
++	else
+ 	if (dc_lsize == 0)
+ 		r4k_blast_dcache = (void *)cache_noop;
+ 	else if (dc_lsize == 16)
+@@ -682,6 +694,8 @@ static void local_r4k_flush_cache_sigtra
+ 	unsigned long addr = (unsigned long) arg;
+ 
+ 	R4600_HIT_CACHEOP_WAR_IMPL;
++	BCM4710_PROTECTED_FILL_TLB(addr);
++	BCM4710_PROTECTED_FILL_TLB(addr + 4);
+ 	if (dc_lsize)
+ 		protected_writeback_dcache_line(addr & ~(dc_lsize - 1));
+ 	if (!cpu_icache_snoops_remote_store && scache_size)
+@@ -1349,6 +1363,17 @@ static void __cpuinit coherency_setup(vo
+ 	 * silly idea of putting something else there ...
+ 	 */
+ 	switch (current_cpu_type()) {
++	case CPU_BMIPS3300:
++		{
++			u32 cm;
++			cm = read_c0_diag();
++			/* Enable icache */
++			cm |= (1 << 31);
++			/* Enable dcache */
++			cm |= (1 << 30);
++			write_c0_diag(cm);
++		}
++		break;
+ 	case CPU_R4000PC:
+ 	case CPU_R4000SC:
+ 	case CPU_R4000MC:
+@@ -1410,6 +1435,15 @@ void __cpuinit r4k_cache_init(void)
+ 	extern void build_copy_page(void);
+ 	struct cpuinfo_mips *c = &current_cpu_data;
+ 
++	/* Check if special workarounds are required */
++#ifdef CONFIG_BCM47XX
++	if (current_cpu_data.cputype == CPU_BMIPS32 && (current_cpu_data.processor_id & 0xff) == 0) {
++		printk("Enabling BCM4710A0 cache workarounds.\n");
++		bcm4710 = 1;
++	} else
++#endif
++		bcm4710 = 0;
++
+ 	probe_pcache();
+ 	setup_scache();
+ 
+@@ -1470,6 +1504,14 @@ void __cpuinit r4k_cache_init(void)
+ #if !defined(CONFIG_MIPS_CMP)
+ 	local_r4k___flush_cache_all(NULL);
+ #endif
++#ifdef CONFIG_BCM47XX
++	{
++		static void (*_coherency_setup)(void);
++		_coherency_setup = (void (*)(void)) KSEG1ADDR(coherency_setup);
++		_coherency_setup();
++	}
++#else
+ 	coherency_setup();
++#endif
+ 	board_cache_error_setup = r4k_cache_error_setup;
+ }
+--- a/arch/mips/mm/tlbex.c
++++ b/arch/mips/mm/tlbex.c
+@@ -1267,6 +1267,9 @@ static void __cpuinit build_r4000_tlb_re
+ 			/* No need for uasm_i_nop */
+ 		}
+ 
++#ifdef CONFIG_BCM47XX
++		uasm_i_nop(&p);
++#endif
+ #ifdef CONFIG_64BIT
+ 		build_get_pmde64(&p, &l, &r, K0, K1); /* get pmd in K1 */
+ #else
+@@ -1797,6 +1800,9 @@ build_r4000_tlbchange_handler_head(u32 *
+ {
+ 	struct work_registers wr = build_get_work_registers(p);
+ 
++#ifdef CONFIG_BCM47XX
++	uasm_i_nop(p);
++#endif
+ #ifdef CONFIG_64BIT
+ 	build_get_pmde64(p, l, r, wr.r1, wr.r2); /* get pmd in ptr */
+ #else
diff --git a/target/linux/brcm47xx/patches-3.6/160-kmap_coherent.patch b/target/linux/brcm47xx/patches-3.6/160-kmap_coherent.patch
new file mode 100644
index 0000000000..4469714a47
--- /dev/null
+++ b/target/linux/brcm47xx/patches-3.6/160-kmap_coherent.patch
@@ -0,0 +1,77 @@
+--- a/arch/mips/include/asm/cpu-features.h
++++ b/arch/mips/include/asm/cpu-features.h
+@@ -110,6 +110,9 @@
+ #ifndef cpu_has_pindexed_dcache
+ #define cpu_has_pindexed_dcache	(cpu_data[0].dcache.flags & MIPS_CACHE_PINDEX)
+ #endif
++#ifndef cpu_use_kmap_coherent
++#define cpu_use_kmap_coherent 1
++#endif
+ 
+ /*
+  * I-Cache snoops remote store.  This only matters on SMP.  Some multiprocessors
+--- /dev/null
++++ b/arch/mips/include/asm/mach-bcm47xx/cpu-feature-overrides.h
+@@ -0,0 +1,13 @@
++/*
++ * This file is subject to the terms and conditions of the GNU General Public
++ * License.  See the file "COPYING" in the main directory of this archive
++ * for more details.
++ *
++ * Copyright (C) 2005 Ralf Baechle (ralf@linux-mips.org)
++ */
++#ifndef __ASM_MACH_BCM47XX_CPU_FEATURE_OVERRIDES_H
++#define __ASM_MACH_BCM47XX_CPU_FEATURE_OVERRIDES_H
++
++#define cpu_use_kmap_coherent	0
++
++#endif /* __ASM_MACH_BCM47XX_CPU_FEATURE_OVERRIDES_H */
+--- a/arch/mips/mm/c-r4k.c
++++ b/arch/mips/mm/c-r4k.c
+@@ -506,7 +506,7 @@ static inline void local_r4k_flush_cache
+ 		 */
+ 		map_coherent = (cpu_has_dc_aliases &&
+ 				page_mapped(page) && !Page_dcache_dirty(page));
+-		if (map_coherent)
++		if (map_coherent && cpu_use_kmap_coherent)
+ 			vaddr = kmap_coherent(page, addr);
+ 		else
+ 			vaddr = kmap_atomic(page);
+@@ -529,7 +529,7 @@ static inline void local_r4k_flush_cache
+ 	}
+ 
+ 	if (vaddr) {
+-		if (map_coherent)
++		if (map_coherent && cpu_use_kmap_coherent)
+ 			kunmap_coherent();
+ 		else
+ 			kunmap_atomic(vaddr);
+--- a/arch/mips/mm/init.c
++++ b/arch/mips/mm/init.c
+@@ -208,7 +208,7 @@ void copy_user_highpage(struct page *to,
+ 	void *vfrom, *vto;
+ 
+ 	vto = kmap_atomic(to);
+-	if (cpu_has_dc_aliases &&
++	if (cpu_has_dc_aliases && cpu_use_kmap_coherent &&
+ 	    page_mapped(from) && !Page_dcache_dirty(from)) {
+ 		vfrom = kmap_coherent(from, vaddr);
+ 		copy_page(vto, vfrom);
+@@ -230,7 +230,7 @@ void copy_to_user_page(struct vm_area_st
+ 	struct page *page, unsigned long vaddr, void *dst, const void *src,
+ 	unsigned long len)
+ {
+-	if (cpu_has_dc_aliases &&
++	if (cpu_has_dc_aliases && cpu_use_kmap_coherent &&
+ 	    page_mapped(page) && !Page_dcache_dirty(page)) {
+ 		void *vto = kmap_coherent(page, vaddr) + (vaddr & ~PAGE_MASK);
+ 		memcpy(vto, src, len);
+@@ -248,7 +248,7 @@ void copy_from_user_page(struct vm_area_
+ 	struct page *page, unsigned long vaddr, void *dst, const void *src,
+ 	unsigned long len)
+ {
+-	if (cpu_has_dc_aliases &&
++	if (cpu_has_dc_aliases && cpu_use_kmap_coherent &&
+ 	    page_mapped(page) && !Page_dcache_dirty(page)) {
+ 		void *vfrom = kmap_coherent(page, vaddr) + (vaddr & ~PAGE_MASK);
+ 		memcpy(dst, vfrom, len);
diff --git a/target/linux/brcm47xx/patches-3.6/170-fix-74k-cpu.patch b/target/linux/brcm47xx/patches-3.6/170-fix-74k-cpu.patch
new file mode 100644
index 0000000000..a757ec7441
--- /dev/null
+++ b/target/linux/brcm47xx/patches-3.6/170-fix-74k-cpu.patch
@@ -0,0 +1,12 @@
+--- a/arch/mips/kernel/cpu-probe.c
++++ b/arch/mips/kernel/cpu-probe.c
+@@ -210,9 +210,6 @@ void __init check_wait(void)
+ 		break;
+ 
+ 	case CPU_74K:
+-		cpu_wait = r4k_wait;
+-		if ((c->processor_id & 0xff) >= PRID_REV_ENCODE_332(2, 1, 0))
+-			cpu_wait = r4k_wait_irqoff;
+ 		break;
+ 
+ 	case CPU_TX49XX:
diff --git a/target/linux/brcm47xx/patches-3.6/186-USB-EHCI-bcma-fix-driver.patch b/target/linux/brcm47xx/patches-3.6/186-USB-EHCI-bcma-fix-driver.patch
new file mode 100644
index 0000000000..b3800340c8
--- /dev/null
+++ b/target/linux/brcm47xx/patches-3.6/186-USB-EHCI-bcma-fix-driver.patch
@@ -0,0 +1,11 @@
+--- a/drivers/usb/host/bcma-hcd.c
++++ b/drivers/usb/host/bcma-hcd.c
+@@ -45,7 +45,7 @@ static int bcma_wait_bits(struct bcma_de
+ 
+ 	for (i = 0; i < timeout; i++) {
+ 		val = bcma_read32(dev, reg);
+-		if ((val & bitmask) == bitmask)
++		if ((val & bitmask) == 0)
+ 			return 0;
+ 		udelay(10);
+ 	}
diff --git a/target/linux/brcm47xx/patches-3.6/191-MIPS-BCM47XX-ignore-last-memory-page.patch b/target/linux/brcm47xx/patches-3.6/191-MIPS-BCM47XX-ignore-last-memory-page.patch
new file mode 100644
index 0000000000..9f7d5dcdb4
--- /dev/null
+++ b/target/linux/brcm47xx/patches-3.6/191-MIPS-BCM47XX-ignore-last-memory-page.patch
@@ -0,0 +1,33 @@
+--- a/arch/mips/bcm47xx/prom.c
++++ b/arch/mips/bcm47xx/prom.c
+@@ -27,6 +27,7 @@
+ #include <linux/types.h>
+ #include <linux/kernel.h>
+ #include <linux/spinlock.h>
++#include <linux/smp.h>
+ #include <asm/bootinfo.h>
+ #include <asm/fw/cfe/cfe_api.h>
+ #include <asm/fw/cfe/cfe_error.h>
+@@ -59,6 +60,7 @@ static __init void prom_init_mem(void)
+ {
+ 	unsigned long mem;
+ 	unsigned long max;
++	struct cpuinfo_mips *c = &current_cpu_data;
+ 
+ 	/* Figure out memory size by finding aliases.
+ 	 *
+@@ -87,6 +89,14 @@ static __init void prom_init_mem(void)
+ 			break;
+ 	}
+ 
++	/* Ignoring the last page when ddr size is 128M. Cached
++	 * accesses to last page is causing the processor to prefetch
++	 * using address above 128M stepping out of the ddr address
++	 * space.
++	 */
++	if (c->cputype == CPU_74K && (mem == (128  << 20)))
++		mem -= 0x1000;
++
+ 	add_memory_region(0, mem, BOOT_MEM_RAM);
+ }
+ 
diff --git a/target/linux/brcm47xx/patches-3.6/192-MIPS-BCM47XX-improve-memory-size-detection.patch b/target/linux/brcm47xx/patches-3.6/192-MIPS-BCM47XX-improve-memory-size-detection.patch
new file mode 100644
index 0000000000..285c60c713
--- /dev/null
+++ b/target/linux/brcm47xx/patches-3.6/192-MIPS-BCM47XX-improve-memory-size-detection.patch
@@ -0,0 +1,38 @@
+--- a/arch/mips/bcm47xx/prom.c
++++ b/arch/mips/bcm47xx/prom.c
+@@ -1,6 +1,7 @@
+ /*
+  *  Copyright (C) 2004 Florian Schirmer <jolt@tuxbox.org>
+  *  Copyright (C) 2007 Aurelien Jarno <aurelien@aurel32.net>
++ *  Copyright (C) 2010-2012 Hauke Mehrtens <hauke@hauke-m.de>
+  *
+  *  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
+@@ -60,6 +61,7 @@ static __init void prom_init_mem(void)
+ {
+ 	unsigned long mem;
+ 	unsigned long max;
++	unsigned long off;
+ 	struct cpuinfo_mips *c = &current_cpu_data;
+ 
+ 	/* Figure out memory size by finding aliases.
+@@ -77,15 +79,15 @@ static __init void prom_init_mem(void)
+ 	 * max contains the biggest possible address supported by the platform.
+ 	 * If the method wants to try something above we assume 128MB ram.
+ 	 */
+-	max = ((unsigned long)(prom_init) | ((128 << 20) - 1));
++	off = (unsigned long)prom_init;
++	max = off | ((128 << 20) - 1);
+ 	for (mem = (1 << 20); mem < (128 << 20); mem += (1 << 20)) {
+-		if (((unsigned long)(prom_init) + mem) > max) {
++		if ((off + mem) > max) {
+ 			mem = (128 << 20);
+ 			printk(KERN_DEBUG "assume 128MB RAM\n");
+ 			break;
+ 		}
+-		if (*(unsigned long *)((unsigned long)(prom_init) + mem) ==
+-		    *(unsigned long *)(prom_init))
++		if (!memcmp(prom_init, prom_init + mem, 32))
+ 			break;
+ 	}
+ 
diff --git a/target/linux/brcm47xx/patches-3.6/193-MIPS-BCM47xx-read-out-full-board-data.patch b/target/linux/brcm47xx/patches-3.6/193-MIPS-BCM47xx-read-out-full-board-data.patch
new file mode 100644
index 0000000000..bdfc348cc7
--- /dev/null
+++ b/target/linux/brcm47xx/patches-3.6/193-MIPS-BCM47xx-read-out-full-board-data.patch
@@ -0,0 +1,81 @@
+--- a/arch/mips/bcm47xx/sprom.c
++++ b/arch/mips/bcm47xx/sprom.c
+@@ -164,10 +164,6 @@ static void nvram_read_alpha2(const char
+ static void bcm47xx_fill_sprom_r1234589(struct ssb_sprom *sprom,
+ 					const char *prefix)
+ {
+-	nvram_read_u16(prefix, NULL, "boardrev", &sprom->board_rev, 0);
+-	if (!sprom->board_rev)
+-		nvram_read_u16(NULL, NULL, "boardrev", &sprom->board_rev, 0);
+-	nvram_read_u16(prefix, NULL, "boardnum", &sprom->board_num, 0);
+ 	nvram_read_u8(prefix, NULL, "ledbh0", &sprom->gpio0, 0xff);
+ 	nvram_read_u8(prefix, NULL, "ledbh1", &sprom->gpio1, 0xff);
+ 	nvram_read_u8(prefix, NULL, "ledbh2", &sprom->gpio2, 0xff);
+@@ -214,13 +210,6 @@ static void bcm47xx_fill_sprom_r2389(str
+ 	nvram_read_u8(prefix, NULL, "pa1himaxpwr", &sprom->maxpwr_ah, 0);
+ }
+ 
+-static void bcm47xx_fill_sprom_r2(struct ssb_sprom *sprom, const char *prefix)
+-{
+-	nvram_read_u32_2(prefix, "boardflags", &sprom->boardflags_lo,
+-			 &sprom->boardflags_hi);
+-	nvram_read_u16(prefix, NULL, "boardtype", &sprom->board_type, 0);
+-}
+-
+ static void bcm47xx_fill_sprom_r389(struct ssb_sprom *sprom, const char *prefix)
+ {
+ 	nvram_read_u8(prefix, NULL, "bxa2g", &sprom->bxa2g, 0);
+@@ -241,9 +230,6 @@ static void bcm47xx_fill_sprom_r389(stru
+ 
+ static void bcm47xx_fill_sprom_r3(struct ssb_sprom *sprom, const char *prefix)
+ {
+-	nvram_read_u32_2(prefix, "boardflags", &sprom->boardflags_lo,
+-			 &sprom->boardflags_hi);
+-	nvram_read_u16(prefix, NULL, "boardtype", &sprom->board_type, 0);
+ 	nvram_read_u8(prefix, NULL, "regrev", &sprom->regrev, 0);
+ 	nvram_read_leddc(prefix, "leddc", &sprom->leddc_on_time,
+ 			 &sprom->leddc_off_time);
+@@ -252,11 +238,6 @@ static void bcm47xx_fill_sprom_r3(struct
+ static void bcm47xx_fill_sprom_r4589(struct ssb_sprom *sprom,
+ 				     const char *prefix)
+ {
+-	nvram_read_u32_2(prefix, "boardflags", &sprom->boardflags_lo,
+-			 &sprom->boardflags_hi);
+-	nvram_read_u32_2(prefix, "boardflags2", &sprom->boardflags2_lo,
+-			 &sprom->boardflags2_hi);
+-	nvram_read_u16(prefix, NULL, "boardtype", &sprom->board_type, 0);
+ 	nvram_read_u8(prefix, NULL, "regrev", &sprom->regrev, 0);
+ 	nvram_read_s8(prefix, NULL, "ag2", &sprom->antenna_gain.a2, 0);
+ 	nvram_read_s8(prefix, NULL, "ag3", &sprom->antenna_gain.a3, 0);
+@@ -555,9 +536,23 @@ void bcm47xx_fill_sprom_ethernet(struct
+ 	nvram_read_macaddr(prefix, "il0macaddr", &sprom->il0mac);
+ }
+ 
++static void bcm47xx_fill_board_data(struct ssb_sprom *sprom, const char *prefix)
++{
++	nvram_read_u16(prefix, NULL, "boardrev", &sprom->board_rev, 0);
++	if (!sprom->board_rev)
++		nvram_read_u16(NULL, NULL, "boardrev", &sprom->board_rev, 0);
++	nvram_read_u16(prefix, NULL, "boardnum", &sprom->board_num, 0);
++	nvram_read_u16(prefix, NULL, "boardtype", &sprom->board_type, 0);
++	nvram_read_u32_2(prefix, "boardflags", &sprom->boardflags_lo,
++			 &sprom->boardflags_hi);
++	nvram_read_u32_2(prefix, "boardflags2", &sprom->boardflags2_lo,
++			 &sprom->boardflags2_hi);
++}
++
+ void bcm47xx_fill_sprom(struct ssb_sprom *sprom, const char *prefix)
+ {
+ 	bcm47xx_fill_sprom_ethernet(sprom, prefix);
++	bcm47xx_fill_board_data(sprom, prefix);
+ 
+ 	nvram_read_u8(prefix, NULL, "sromrev", &sprom->revision, 0);
+ 
+@@ -571,7 +566,6 @@ void bcm47xx_fill_sprom(struct ssb_sprom
+ 		bcm47xx_fill_sprom_r1234589(sprom, prefix);
+ 		bcm47xx_fill_sprom_r12389(sprom, prefix);
+ 		bcm47xx_fill_sprom_r2389(sprom, prefix);
+-		bcm47xx_fill_sprom_r2(sprom, prefix);
+ 		break;
+ 	case 3:
+ 		bcm47xx_fill_sprom_r1234589(sprom, prefix);
diff --git a/target/linux/brcm47xx/patches-3.6/194-MIPS-BCM47XX-read-sprom-without-prefix-if-no-ieee802.patch b/target/linux/brcm47xx/patches-3.6/194-MIPS-BCM47XX-read-sprom-without-prefix-if-no-ieee802.patch
new file mode 100644
index 0000000000..9487d301f2
--- /dev/null
+++ b/target/linux/brcm47xx/patches-3.6/194-MIPS-BCM47XX-read-sprom-without-prefix-if-no-ieee802.patch
@@ -0,0 +1,11 @@
+--- a/arch/mips/bcm47xx/setup.c
++++ b/arch/mips/bcm47xx/setup.c
+@@ -206,6 +206,8 @@ static int bcm47xx_get_sprom_bcma(struct
+ 			snprintf(prefix, sizeof(prefix), "sb/%u/",
+ 				 core->core_index);
+ 			bcm47xx_fill_sprom(out, prefix);
++		} else {
++			bcm47xx_fill_sprom(out, NULL);
+ 		}
+ 		return 0;
+ 	default:
diff --git a/target/linux/brcm47xx/patches-3.6/195-MIPS-BCM47xx-sprom-read-values-without-prefix-as-fal.patch b/target/linux/brcm47xx/patches-3.6/195-MIPS-BCM47xx-sprom-read-values-without-prefix-as-fal.patch
new file mode 100644
index 0000000000..6b1db25805
--- /dev/null
+++ b/target/linux/brcm47xx/patches-3.6/195-MIPS-BCM47xx-sprom-read-values-without-prefix-as-fal.patch
@@ -0,0 +1,1095 @@
+--- a/arch/mips/bcm47xx/setup.c
++++ b/arch/mips/bcm47xx/setup.c
+@@ -96,7 +96,7 @@ static int bcm47xx_get_sprom_ssb(struct
+ 		snprintf(prefix, sizeof(prefix), "pci/%u/%u/",
+ 			 bus->host_pci->bus->number + 1,
+ 			 PCI_SLOT(bus->host_pci->devfn));
+-		bcm47xx_fill_sprom(out, prefix);
++		bcm47xx_fill_sprom(out, prefix, false);
+ 		return 0;
+ 	} else {
+ 		printk(KERN_WARNING "bcm47xx: unable to fill SPROM for given bustype.\n");
+@@ -115,7 +115,7 @@ static int bcm47xx_get_invariants(struct
+ 	bcm47xx_fill_ssb_boardinfo(&iv->boardinfo, NULL);
+ 
+ 	memset(&iv->sprom, 0, sizeof(struct ssb_sprom));
+-	bcm47xx_fill_sprom(&iv->sprom, NULL);
++	bcm47xx_fill_sprom(&iv->sprom, NULL, false);
+ 
+ 	if (nvram_getenv("cardbus", buf, sizeof(buf)) >= 0)
+ 		iv->has_cardbus_slot = !!simple_strtoul(buf, NULL, 10);
+@@ -196,18 +196,17 @@ static int bcm47xx_get_sprom_bcma(struct
+ 		snprintf(prefix, sizeof(prefix), "pci/%u/%u/",
+ 			 bus->host_pci->bus->number + 1,
+ 			 PCI_SLOT(bus->host_pci->devfn));
+-		bcm47xx_fill_sprom(out, prefix);
++		bcm47xx_fill_sprom(out, prefix, false);
+ 		return 0;
+ 	case BCMA_HOSTTYPE_SOC:
+ 		memset(out, 0, sizeof(struct ssb_sprom));
+-		bcm47xx_fill_sprom_ethernet(out, NULL);
+ 		core = bcma_find_core(bus, BCMA_CORE_80211);
+ 		if (core) {
+ 			snprintf(prefix, sizeof(prefix), "sb/%u/",
+ 				 core->core_index);
+-			bcm47xx_fill_sprom(out, prefix);
++			bcm47xx_fill_sprom(out, prefix, true);
+ 		} else {
+-			bcm47xx_fill_sprom(out, NULL);
++			bcm47xx_fill_sprom(out, NULL, false);
+ 		}
+ 		return 0;
+ 	default:
+--- a/arch/mips/bcm47xx/sprom.c
++++ b/arch/mips/bcm47xx/sprom.c
+@@ -42,25 +42,39 @@ static void create_key(const char *prefi
+ 		snprintf(buf, len, "%s", name);
+ }
+ 
++static int get_nvram_var(const char *prefix, const char *postfix,
++			 const char *name, char *buf, int len, bool fallback)
++{
++	char key[40];
++	int err;
++
++	create_key(prefix, postfix, name, key, sizeof(key));
++
++	err = nvram_getenv(key, buf, len);
++	if (fallback && err == NVRAM_ERR_ENVNOTFOUND && prefix) {
++		create_key(NULL, postfix, name, key, sizeof(key));
++		err = nvram_getenv(key, buf, len);
++	}
++	return err;
++}
++
+ #define NVRAM_READ_VAL(type)						\
+ static void nvram_read_ ## type (const char *prefix,			\
+ 				 const char *postfix, const char *name,	\
+-				 type *val, type allset)		\
++				 type *val, type allset, bool fallback)	\
+ {									\
+ 	char buf[100];							\
+-	char key[40];							\
+ 	int err;							\
+ 	type var;							\
+ 									\
+-	create_key(prefix, postfix, name, key, sizeof(key));		\
+-									\
+-	err = nvram_getenv(key, buf, sizeof(buf));			\
++	err = get_nvram_var(prefix, postfix, name, buf, sizeof(buf),	\
++			    fallback);					\
+ 	if (err < 0)							\
+ 		return;							\
+ 	err = kstrto ## type (buf, 0, &var);				\
+ 	if (err) {							\
+-		pr_warn("can not parse nvram name %s with value %s"	\
+-			" got %i", key, buf, err);			\
++		pr_warn("can not parse nvram name %s%s%s with value %s got %i\n",	\
++			prefix, name, postfix, buf, err);		\
+ 		return;							\
+ 	}								\
+ 	if (allset && var == allset)					\
+@@ -76,22 +90,19 @@ NVRAM_READ_VAL(u32)
+ #undef NVRAM_READ_VAL
+ 
+ static void nvram_read_u32_2(const char *prefix, const char *name,
+-			     u16 *val_lo, u16 *val_hi)
++			     u16 *val_lo, u16 *val_hi, bool fallback)
+ {
+ 	char buf[100];
+-	char key[40];
+ 	int err;
+ 	u32 val;
+ 
+-	create_key(prefix, NULL, name, key, sizeof(key));
+-
+-	err = nvram_getenv(key, buf, sizeof(buf));
++	err = get_nvram_var(prefix, NULL, name, buf, sizeof(buf), fallback);
+ 	if (err < 0)
+ 		return;
+ 	err = kstrtou32(buf, 0, &val);
+ 	if (err) {
+-		pr_warn("can not parse nvram name %s with value %s got %i",
+-			key, buf, err);
++		pr_warn("can not parse nvram name %s%s with value %s got %i\n",
++			prefix, name, buf, err);
+ 		return;
+ 	}
+ 	*val_lo = (val & 0x0000FFFFU);
+@@ -99,22 +110,20 @@ static void nvram_read_u32_2(const char
+ }
+ 
+ static void nvram_read_leddc(const char *prefix, const char *name,
+-			     u8 *leddc_on_time, u8 *leddc_off_time)
++			     u8 *leddc_on_time, u8 *leddc_off_time,
++			     bool fallback)
+ {
+ 	char buf[100];
+-	char key[40];
+ 	int err;
+ 	u32 val;
+ 
+-	create_key(prefix, NULL, name, key, sizeof(key));
+-
+-	err = nvram_getenv(key, buf, sizeof(buf));
++	err = get_nvram_var(prefix, NULL, name, buf, sizeof(buf), fallback);
+ 	if (err < 0)
+ 		return;
+ 	err = kstrtou32(buf, 0, &val);
+ 	if (err) {
+-		pr_warn("can not parse nvram name %s with value %s got %i",
+-			key, buf, err);
++		pr_warn("can not parse nvram name %s%s with value %s got %i\n",
++			prefix, name, buf, err);
+ 		return;
+ 	}
+ 
+@@ -126,336 +135,435 @@ static void nvram_read_leddc(const char
+ }
+ 
+ static void nvram_read_macaddr(const char *prefix, const char *name,
+-			       u8 (*val)[6])
++			       u8 (*val)[6], bool fallback)
+ {
+ 	char buf[100];
+-	char key[40];
+ 	int err;
+ 
+-	create_key(prefix, NULL, name, key, sizeof(key));
+-
+-	err = nvram_getenv(key, buf, sizeof(buf));
++	err = get_nvram_var(prefix, NULL, name, buf, sizeof(buf), fallback);
+ 	if (err < 0)
+ 		return;
++
+ 	nvram_parse_macaddr(buf, *val);
+ }
+ 
+ static void nvram_read_alpha2(const char *prefix, const char *name,
+-			     char (*val)[2])
++			     char (*val)[2], bool fallback)
+ {
+ 	char buf[10];
+-	char key[40];
+ 	int err;
+ 
+-	create_key(prefix, NULL, name, key, sizeof(key));
+-
+-	err = nvram_getenv(key, buf, sizeof(buf));
++	err = get_nvram_var(prefix, NULL, name, buf, sizeof(buf), fallback);
+ 	if (err < 0)
+ 		return;
+ 	if (buf[0] == '0')
+ 		return;
+ 	if (strlen(buf) > 2) {
+-		pr_warn("alpha2 is too long %s", buf);
++		pr_warn("alpha2 is too long %s\n", buf);
+ 		return;
+ 	}
+ 	memcpy(val, buf, sizeof(val));
+ }
+ 
+ static void bcm47xx_fill_sprom_r1234589(struct ssb_sprom *sprom,
+-					const char *prefix)
++					const char *prefix, bool fallback)
+ {
+-	nvram_read_u8(prefix, NULL, "ledbh0", &sprom->gpio0, 0xff);
+-	nvram_read_u8(prefix, NULL, "ledbh1", &sprom->gpio1, 0xff);
+-	nvram_read_u8(prefix, NULL, "ledbh2", &sprom->gpio2, 0xff);
+-	nvram_read_u8(prefix, NULL, "ledbh3", &sprom->gpio3, 0xff);
+-	nvram_read_u8(prefix, NULL, "aa2g", &sprom->ant_available_bg, 0);
+-	nvram_read_u8(prefix, NULL, "aa5g", &sprom->ant_available_a, 0);
+-	nvram_read_s8(prefix, NULL, "ag0", &sprom->antenna_gain.a0, 0);
+-	nvram_read_s8(prefix, NULL, "ag1", &sprom->antenna_gain.a1, 0);
+-	nvram_read_alpha2(prefix, "ccode", &sprom->alpha2);
++	nvram_read_u8(prefix, NULL, "ledbh0", &sprom->gpio0, 0xff, fallback);
++	nvram_read_u8(prefix, NULL, "ledbh1", &sprom->gpio1, 0xff, fallback);
++	nvram_read_u8(prefix, NULL, "ledbh2", &sprom->gpio2, 0xff, fallback);
++	nvram_read_u8(prefix, NULL, "ledbh3", &sprom->gpio3, 0xff, fallback);
++	nvram_read_u8(prefix, NULL, "aa2g", &sprom->ant_available_bg, 0,
++		      fallback);
++	nvram_read_u8(prefix, NULL, "aa5g", &sprom->ant_available_a, 0,
++		      fallback);
++	nvram_read_s8(prefix, NULL, "ag0", &sprom->antenna_gain.a0, 0,
++		      fallback);
++	nvram_read_s8(prefix, NULL, "ag1", &sprom->antenna_gain.a1, 0,
++		      fallback);
++	nvram_read_alpha2(prefix, "ccode", &sprom->alpha2, fallback);
+ }
+ 
+ static void bcm47xx_fill_sprom_r12389(struct ssb_sprom *sprom,
+-				      const char *prefix)
++				      const char *prefix, bool fallback)
+ {
+-	nvram_read_u16(prefix, NULL, "pa0b0", &sprom->pa0b0, 0);
+-	nvram_read_u16(prefix, NULL, "pa0b1", &sprom->pa0b1, 0);
+-	nvram_read_u16(prefix, NULL, "pa0b2", &sprom->pa0b2, 0);
+-	nvram_read_u8(prefix, NULL, "pa0itssit", &sprom->itssi_bg, 0);
+-	nvram_read_u8(prefix, NULL, "pa0maxpwr", &sprom->maxpwr_bg, 0);
+-	nvram_read_u16(prefix, NULL, "pa1b0", &sprom->pa1b0, 0);
+-	nvram_read_u16(prefix, NULL, "pa1b1", &sprom->pa1b1, 0);
+-	nvram_read_u16(prefix, NULL, "pa1b2", &sprom->pa1b2, 0);
+-	nvram_read_u8(prefix, NULL, "pa1itssit", &sprom->itssi_a, 0);
+-	nvram_read_u8(prefix, NULL, "pa1maxpwr", &sprom->maxpwr_a, 0);
+-}
+-
+-static void bcm47xx_fill_sprom_r1(struct ssb_sprom *sprom, const char *prefix)
+-{
+-	nvram_read_u16(prefix, NULL, "boardflags", &sprom->boardflags_lo, 0);
+-	nvram_read_u8(prefix, NULL, "cc", &sprom->country_code, 0);
++	nvram_read_u16(prefix, NULL, "pa0b0", &sprom->pa0b0, 0, fallback);
++	nvram_read_u16(prefix, NULL, "pa0b1", &sprom->pa0b1, 0, fallback);
++	nvram_read_u16(prefix, NULL, "pa0b2", &sprom->pa0b2, 0, fallback);
++	nvram_read_u8(prefix, NULL, "pa0itssit", &sprom->itssi_bg, 0, fallback);
++	nvram_read_u8(prefix, NULL, "pa0maxpwr", &sprom->maxpwr_bg, 0,
++		      fallback);
++	nvram_read_u16(prefix, NULL, "pa1b0", &sprom->pa1b0, 0, fallback);
++	nvram_read_u16(prefix, NULL, "pa1b1", &sprom->pa1b1, 0, fallback);
++	nvram_read_u16(prefix, NULL, "pa1b2", &sprom->pa1b2, 0, fallback);
++	nvram_read_u8(prefix, NULL, "pa1itssit", &sprom->itssi_a, 0, fallback);
++	nvram_read_u8(prefix, NULL, "pa1maxpwr", &sprom->maxpwr_a, 0, fallback);
++}
++
++static void bcm47xx_fill_sprom_r1(struct ssb_sprom *sprom, const char *prefix,
++				  bool fallback)
++{
++	nvram_read_u16(prefix, NULL, "boardflags", &sprom->boardflags_lo, 0,
++		       fallback);
++	nvram_read_u8(prefix, NULL, "cc", &sprom->country_code, 0, fallback);
+ }
+ 
+ static void bcm47xx_fill_sprom_r2389(struct ssb_sprom *sprom,
+-				     const char *prefix)
++				     const char *prefix, bool fallback)
+ {
+-	nvram_read_u8(prefix, NULL, "opo", &sprom->opo, 0);
+-	nvram_read_u16(prefix, NULL, "pa1lob0", &sprom->pa1lob0, 0);
+-	nvram_read_u16(prefix, NULL, "pa1lob1", &sprom->pa1lob1, 0);
+-	nvram_read_u16(prefix, NULL, "pa1lob2", &sprom->pa1lob2, 0);
+-	nvram_read_u16(prefix, NULL, "pa1hib0", &sprom->pa1hib0, 0);
+-	nvram_read_u16(prefix, NULL, "pa1hib1", &sprom->pa1hib1, 0);
+-	nvram_read_u16(prefix, NULL, "pa1hib2", &sprom->pa1hib2, 0);
+-	nvram_read_u8(prefix, NULL, "pa1lomaxpwr", &sprom->maxpwr_al, 0);
+-	nvram_read_u8(prefix, NULL, "pa1himaxpwr", &sprom->maxpwr_ah, 0);
+-}
+-
+-static void bcm47xx_fill_sprom_r389(struct ssb_sprom *sprom, const char *prefix)
+-{
+-	nvram_read_u8(prefix, NULL, "bxa2g", &sprom->bxa2g, 0);
+-	nvram_read_u8(prefix, NULL, "rssisav2g", &sprom->rssisav2g, 0);
+-	nvram_read_u8(prefix, NULL, "rssismc2g", &sprom->rssismc2g, 0);
+-	nvram_read_u8(prefix, NULL, "rssismf2g", &sprom->rssismf2g, 0);
+-	nvram_read_u8(prefix, NULL, "bxa5g", &sprom->bxa5g, 0);
+-	nvram_read_u8(prefix, NULL, "rssisav5g", &sprom->rssisav5g, 0);
+-	nvram_read_u8(prefix, NULL, "rssismc5g", &sprom->rssismc5g, 0);
+-	nvram_read_u8(prefix, NULL, "rssismf5g", &sprom->rssismf5g, 0);
+-	nvram_read_u8(prefix, NULL, "tri2g", &sprom->tri2g, 0);
+-	nvram_read_u8(prefix, NULL, "tri5g", &sprom->tri5g, 0);
+-	nvram_read_u8(prefix, NULL, "tri5gl", &sprom->tri5gl, 0);
+-	nvram_read_u8(prefix, NULL, "tri5gh", &sprom->tri5gh, 0);
+-	nvram_read_s8(prefix, NULL, "rxpo2g", &sprom->rxpo2g, 0);
+-	nvram_read_s8(prefix, NULL, "rxpo5g", &sprom->rxpo5g, 0);
++	nvram_read_u8(prefix, NULL, "opo", &sprom->opo, 0, fallback);
++	nvram_read_u16(prefix, NULL, "pa1lob0", &sprom->pa1lob0, 0, fallback);
++	nvram_read_u16(prefix, NULL, "pa1lob1", &sprom->pa1lob1, 0, fallback);
++	nvram_read_u16(prefix, NULL, "pa1lob2", &sprom->pa1lob2, 0, fallback);
++	nvram_read_u16(prefix, NULL, "pa1hib0", &sprom->pa1hib0, 0, fallback);
++	nvram_read_u16(prefix, NULL, "pa1hib1", &sprom->pa1hib1, 0, fallback);
++	nvram_read_u16(prefix, NULL, "pa1hib2", &sprom->pa1hib2, 0, fallback);
++	nvram_read_u8(prefix, NULL, "pa1lomaxpwr", &sprom->maxpwr_al, 0,
++		      fallback);
++	nvram_read_u8(prefix, NULL, "pa1himaxpwr", &sprom->maxpwr_ah, 0,
++		      fallback);
++}
++
++static void bcm47xx_fill_sprom_r389(struct ssb_sprom *sprom, const char *prefix,
++				    bool fallback)
++{
++	nvram_read_u8(prefix, NULL, "bxa2g", &sprom->bxa2g, 0, fallback);
++	nvram_read_u8(prefix, NULL, "rssisav2g", &sprom->rssisav2g, 0,
++		      fallback);
++	nvram_read_u8(prefix, NULL, "rssismc2g", &sprom->rssismc2g, 0,
++		      fallback);
++	nvram_read_u8(prefix, NULL, "rssismf2g", &sprom->rssismf2g, 0,
++		      fallback);
++	nvram_read_u8(prefix, NULL, "bxa5g", &sprom->bxa5g, 0, fallback);
++	nvram_read_u8(prefix, NULL, "rssisav5g", &sprom->rssisav5g, 0,
++		      fallback);
++	nvram_read_u8(prefix, NULL, "rssismc5g", &sprom->rssismc5g, 0,
++		      fallback);
++	nvram_read_u8(prefix, NULL, "rssismf5g", &sprom->rssismf5g, 0,
++		      fallback);
++	nvram_read_u8(prefix, NULL, "tri2g", &sprom->tri2g, 0, fallback);
++	nvram_read_u8(prefix, NULL, "tri5g", &sprom->tri5g, 0, fallback);
++	nvram_read_u8(prefix, NULL, "tri5gl", &sprom->tri5gl, 0, fallback);
++	nvram_read_u8(prefix, NULL, "tri5gh", &sprom->tri5gh, 0, fallback);
++	nvram_read_s8(prefix, NULL, "rxpo2g", &sprom->rxpo2g, 0, fallback);
++	nvram_read_s8(prefix, NULL, "rxpo5g", &sprom->rxpo5g, 0, fallback);
+ }
+ 
+-static void bcm47xx_fill_sprom_r3(struct ssb_sprom *sprom, const char *prefix)
++static void bcm47xx_fill_sprom_r3(struct ssb_sprom *sprom, const char *prefix,
++				  bool fallback)
+ {
+-	nvram_read_u8(prefix, NULL, "regrev", &sprom->regrev, 0);
++	nvram_read_u8(prefix, NULL, "regrev", &sprom->regrev, 0, fallback);
+ 	nvram_read_leddc(prefix, "leddc", &sprom->leddc_on_time,
+-			 &sprom->leddc_off_time);
++			 &sprom->leddc_off_time, fallback);
+ }
+ 
+ static void bcm47xx_fill_sprom_r4589(struct ssb_sprom *sprom,
+-				     const char *prefix)
++				     const char *prefix, bool fallback)
+ {
+-	nvram_read_u8(prefix, NULL, "regrev", &sprom->regrev, 0);
+-	nvram_read_s8(prefix, NULL, "ag2", &sprom->antenna_gain.a2, 0);
+-	nvram_read_s8(prefix, NULL, "ag3", &sprom->antenna_gain.a3, 0);
+-	nvram_read_u8(prefix, NULL, "txchain", &sprom->txchain, 0xf);
+-	nvram_read_u8(prefix, NULL, "rxchain", &sprom->rxchain, 0xf);
+-	nvram_read_u8(prefix, NULL, "antswitch", &sprom->antswitch, 0xff);
++	nvram_read_u8(prefix, NULL, "regrev", &sprom->regrev, 0, fallback);
++	nvram_read_s8(prefix, NULL, "ag2", &sprom->antenna_gain.a2, 0,
++		      fallback);
++	nvram_read_s8(prefix, NULL, "ag3", &sprom->antenna_gain.a3, 0,
++		      fallback);
++	nvram_read_u8(prefix, NULL, "txchain", &sprom->txchain, 0xf, fallback);
++	nvram_read_u8(prefix, NULL, "rxchain", &sprom->rxchain, 0xf, fallback);
++	nvram_read_u8(prefix, NULL, "antswitch", &sprom->antswitch, 0xff,
++		      fallback);
+ 	nvram_read_leddc(prefix, "leddc", &sprom->leddc_on_time,
+-			 &sprom->leddc_off_time);
++			 &sprom->leddc_off_time, fallback);
+ }
+ 
+-static void bcm47xx_fill_sprom_r458(struct ssb_sprom *sprom, const char *prefix)
++static void bcm47xx_fill_sprom_r458(struct ssb_sprom *sprom, const char *prefix,
++				    bool fallback)
+ {
+-	nvram_read_u16(prefix, NULL, "cck2gpo", &sprom->cck2gpo, 0);
+-	nvram_read_u32(prefix, NULL, "ofdm2gpo", &sprom->ofdm2gpo, 0);
+-	nvram_read_u32(prefix, NULL, "ofdm5gpo", &sprom->ofdm5gpo, 0);
+-	nvram_read_u32(prefix, NULL, "ofdm5glpo", &sprom->ofdm5glpo, 0);
+-	nvram_read_u32(prefix, NULL, "ofdm5ghpo", &sprom->ofdm5ghpo, 0);
+-	nvram_read_u16(prefix, NULL, "cddpo", &sprom->cddpo, 0);
+-	nvram_read_u16(prefix, NULL, "stbcpo", &sprom->stbcpo, 0);
+-	nvram_read_u16(prefix, NULL, "bw40po", &sprom->bw40po, 0);
+-	nvram_read_u16(prefix, NULL, "bwduppo", &sprom->bwduppo, 0);
+-	nvram_read_u16(prefix, NULL, "mcs2gpo0", &sprom->mcs2gpo[0], 0);
+-	nvram_read_u16(prefix, NULL, "mcs2gpo1", &sprom->mcs2gpo[1], 0);
+-	nvram_read_u16(prefix, NULL, "mcs2gpo2", &sprom->mcs2gpo[2], 0);
+-	nvram_read_u16(prefix, NULL, "mcs2gpo3", &sprom->mcs2gpo[3], 0);
+-	nvram_read_u16(prefix, NULL, "mcs2gpo4", &sprom->mcs2gpo[4], 0);
+-	nvram_read_u16(prefix, NULL, "mcs2gpo5", &sprom->mcs2gpo[5], 0);
+-	nvram_read_u16(prefix, NULL, "mcs2gpo6", &sprom->mcs2gpo[6], 0);
+-	nvram_read_u16(prefix, NULL, "mcs2gpo7", &sprom->mcs2gpo[7], 0);
+-	nvram_read_u16(prefix, NULL, "mcs5gpo0", &sprom->mcs5gpo[0], 0);
+-	nvram_read_u16(prefix, NULL, "mcs5gpo1", &sprom->mcs5gpo[1], 0);
+-	nvram_read_u16(prefix, NULL, "mcs5gpo2", &sprom->mcs5gpo[2], 0);
+-	nvram_read_u16(prefix, NULL, "mcs5gpo3", &sprom->mcs5gpo[3], 0);
+-	nvram_read_u16(prefix, NULL, "mcs5gpo4", &sprom->mcs5gpo[4], 0);
+-	nvram_read_u16(prefix, NULL, "mcs5gpo5", &sprom->mcs5gpo[5], 0);
+-	nvram_read_u16(prefix, NULL, "mcs5gpo6", &sprom->mcs5gpo[6], 0);
+-	nvram_read_u16(prefix, NULL, "mcs5gpo7", &sprom->mcs5gpo[7], 0);
+-	nvram_read_u16(prefix, NULL, "mcs5glpo0", &sprom->mcs5glpo[0], 0);
+-	nvram_read_u16(prefix, NULL, "mcs5glpo1", &sprom->mcs5glpo[1], 0);
+-	nvram_read_u16(prefix, NULL, "mcs5glpo2", &sprom->mcs5glpo[2], 0);
+-	nvram_read_u16(prefix, NULL, "mcs5glpo3", &sprom->mcs5glpo[3], 0);
+-	nvram_read_u16(prefix, NULL, "mcs5glpo4", &sprom->mcs5glpo[4], 0);
+-	nvram_read_u16(prefix, NULL, "mcs5glpo5", &sprom->mcs5glpo[5], 0);
+-	nvram_read_u16(prefix, NULL, "mcs5glpo6", &sprom->mcs5glpo[6], 0);
+-	nvram_read_u16(prefix, NULL, "mcs5glpo7", &sprom->mcs5glpo[7], 0);
+-	nvram_read_u16(prefix, NULL, "mcs5ghpo0", &sprom->mcs5ghpo[0], 0);
+-	nvram_read_u16(prefix, NULL, "mcs5ghpo1", &sprom->mcs5ghpo[1], 0);
+-	nvram_read_u16(prefix, NULL, "mcs5ghpo2", &sprom->mcs5ghpo[2], 0);
+-	nvram_read_u16(prefix, NULL, "mcs5ghpo3", &sprom->mcs5ghpo[3], 0);
+-	nvram_read_u16(prefix, NULL, "mcs5ghpo4", &sprom->mcs5ghpo[4], 0);
+-	nvram_read_u16(prefix, NULL, "mcs5ghpo5", &sprom->mcs5ghpo[5], 0);
+-	nvram_read_u16(prefix, NULL, "mcs5ghpo6", &sprom->mcs5ghpo[6], 0);
+-	nvram_read_u16(prefix, NULL, "mcs5ghpo7", &sprom->mcs5ghpo[7], 0);
+-}
+-
+-static void bcm47xx_fill_sprom_r45(struct ssb_sprom *sprom, const char *prefix)
+-{
+-	nvram_read_u8(prefix, NULL, "txpid2ga0", &sprom->txpid2g[0], 0);
+-	nvram_read_u8(prefix, NULL, "txpid2ga1", &sprom->txpid2g[1], 0);
+-	nvram_read_u8(prefix, NULL, "txpid2ga2", &sprom->txpid2g[2], 0);
+-	nvram_read_u8(prefix, NULL, "txpid2ga3", &sprom->txpid2g[3], 0);
+-	nvram_read_u8(prefix, NULL, "txpid5ga0", &sprom->txpid5g[0], 0);
+-	nvram_read_u8(prefix, NULL, "txpid5ga1", &sprom->txpid5g[1], 0);
+-	nvram_read_u8(prefix, NULL, "txpid5ga2", &sprom->txpid5g[2], 0);
+-	nvram_read_u8(prefix, NULL, "txpid5ga3", &sprom->txpid5g[3], 0);
+-	nvram_read_u8(prefix, NULL, "txpid5gla0", &sprom->txpid5gl[0], 0);
+-	nvram_read_u8(prefix, NULL, "txpid5gla1", &sprom->txpid5gl[1], 0);
+-	nvram_read_u8(prefix, NULL, "txpid5gla2", &sprom->txpid5gl[2], 0);
+-	nvram_read_u8(prefix, NULL, "txpid5gla3", &sprom->txpid5gl[3], 0);
+-	nvram_read_u8(prefix, NULL, "txpid5gha0", &sprom->txpid5gh[0], 0);
+-	nvram_read_u8(prefix, NULL, "txpid5gha1", &sprom->txpid5gh[1], 0);
+-	nvram_read_u8(prefix, NULL, "txpid5gha2", &sprom->txpid5gh[2], 0);
+-	nvram_read_u8(prefix, NULL, "txpid5gha3", &sprom->txpid5gh[3], 0);
++	nvram_read_u16(prefix, NULL, "cck2gpo", &sprom->cck2gpo, 0, fallback);
++	nvram_read_u32(prefix, NULL, "ofdm2gpo", &sprom->ofdm2gpo, 0, fallback);
++	nvram_read_u32(prefix, NULL, "ofdm5gpo", &sprom->ofdm5gpo, 0, fallback);
++	nvram_read_u32(prefix, NULL, "ofdm5glpo", &sprom->ofdm5glpo, 0,
++		       fallback);
++	nvram_read_u32(prefix, NULL, "ofdm5ghpo", &sprom->ofdm5ghpo, 0,
++		       fallback);
++	nvram_read_u16(prefix, NULL, "cddpo", &sprom->cddpo, 0, fallback);
++	nvram_read_u16(prefix, NULL, "stbcpo", &sprom->stbcpo, 0, fallback);
++	nvram_read_u16(prefix, NULL, "bw40po", &sprom->bw40po, 0, fallback);
++	nvram_read_u16(prefix, NULL, "bwduppo", &sprom->bwduppo, 0, fallback);
++	nvram_read_u16(prefix, NULL, "mcs2gpo0", &sprom->mcs2gpo[0], 0,
++		       fallback);
++	nvram_read_u16(prefix, NULL, "mcs2gpo1", &sprom->mcs2gpo[1], 0,
++		       fallback);
++	nvram_read_u16(prefix, NULL, "mcs2gpo2", &sprom->mcs2gpo[2], 0,
++		       fallback);
++	nvram_read_u16(prefix, NULL, "mcs2gpo3", &sprom->mcs2gpo[3], 0,
++		       fallback);
++	nvram_read_u16(prefix, NULL, "mcs2gpo4", &sprom->mcs2gpo[4], 0,
++		       fallback);
++	nvram_read_u16(prefix, NULL, "mcs2gpo5", &sprom->mcs2gpo[5], 0,
++		       fallback);
++	nvram_read_u16(prefix, NULL, "mcs2gpo6", &sprom->mcs2gpo[6], 0,
++		       fallback);
++	nvram_read_u16(prefix, NULL, "mcs2gpo7", &sprom->mcs2gpo[7], 0,
++		       fallback);
++	nvram_read_u16(prefix, NULL, "mcs5gpo0", &sprom->mcs5gpo[0], 0,
++		       fallback);
++	nvram_read_u16(prefix, NULL, "mcs5gpo1", &sprom->mcs5gpo[1], 0,
++		       fallback);
++	nvram_read_u16(prefix, NULL, "mcs5gpo2", &sprom->mcs5gpo[2], 0,
++		       fallback);
++	nvram_read_u16(prefix, NULL, "mcs5gpo3", &sprom->mcs5gpo[3], 0,
++		       fallback);
++	nvram_read_u16(prefix, NULL, "mcs5gpo4", &sprom->mcs5gpo[4], 0,
++		       fallback);
++	nvram_read_u16(prefix, NULL, "mcs5gpo5", &sprom->mcs5gpo[5], 0,
++		       fallback);
++	nvram_read_u16(prefix, NULL, "mcs5gpo6", &sprom->mcs5gpo[6], 0,
++		       fallback);
++	nvram_read_u16(prefix, NULL, "mcs5gpo7", &sprom->mcs5gpo[7], 0,
++		       fallback);
++	nvram_read_u16(prefix, NULL, "mcs5glpo0", &sprom->mcs5glpo[0], 0,
++		       fallback);
++	nvram_read_u16(prefix, NULL, "mcs5glpo1", &sprom->mcs5glpo[1], 0,
++		       fallback);
++	nvram_read_u16(prefix, NULL, "mcs5glpo2", &sprom->mcs5glpo[2], 0,
++		       fallback);
++	nvram_read_u16(prefix, NULL, "mcs5glpo3", &sprom->mcs5glpo[3], 0,
++		       fallback);
++	nvram_read_u16(prefix, NULL, "mcs5glpo4", &sprom->mcs5glpo[4], 0,
++		       fallback);
++	nvram_read_u16(prefix, NULL, "mcs5glpo5", &sprom->mcs5glpo[5], 0,
++		       fallback);
++	nvram_read_u16(prefix, NULL, "mcs5glpo6", &sprom->mcs5glpo[6], 0,
++		       fallback);
++	nvram_read_u16(prefix, NULL, "mcs5glpo7", &sprom->mcs5glpo[7], 0,
++		       fallback);
++	nvram_read_u16(prefix, NULL, "mcs5ghpo0", &sprom->mcs5ghpo[0], 0,
++		       fallback);
++	nvram_read_u16(prefix, NULL, "mcs5ghpo1", &sprom->mcs5ghpo[1], 0,
++		       fallback);
++	nvram_read_u16(prefix, NULL, "mcs5ghpo2", &sprom->mcs5ghpo[2], 0,
++		       fallback);
++	nvram_read_u16(prefix, NULL, "mcs5ghpo3", &sprom->mcs5ghpo[3], 0,
++		       fallback);
++	nvram_read_u16(prefix, NULL, "mcs5ghpo4", &sprom->mcs5ghpo[4], 0,
++		       fallback);
++	nvram_read_u16(prefix, NULL, "mcs5ghpo5", &sprom->mcs5ghpo[5], 0,
++		       fallback);
++	nvram_read_u16(prefix, NULL, "mcs5ghpo6", &sprom->mcs5ghpo[6], 0,
++		       fallback);
++	nvram_read_u16(prefix, NULL, "mcs5ghpo7", &sprom->mcs5ghpo[7], 0,
++		       fallback);
++}
++
++static void bcm47xx_fill_sprom_r45(struct ssb_sprom *sprom, const char *prefix,
++				   bool fallback)
++{
++	nvram_read_u8(prefix, NULL, "txpid2ga0", &sprom->txpid2g[0], 0,
++		      fallback);
++	nvram_read_u8(prefix, NULL, "txpid2ga1", &sprom->txpid2g[1], 0,
++		      fallback);
++	nvram_read_u8(prefix, NULL, "txpid2ga2", &sprom->txpid2g[2], 0,
++		      fallback);
++	nvram_read_u8(prefix, NULL, "txpid2ga3", &sprom->txpid2g[3], 0,
++		      fallback);
++	nvram_read_u8(prefix, NULL, "txpid5ga0", &sprom->txpid5g[0], 0,
++		      fallback);
++	nvram_read_u8(prefix, NULL, "txpid5ga1", &sprom->txpid5g[1], 0,
++		      fallback);
++	nvram_read_u8(prefix, NULL, "txpid5ga2", &sprom->txpid5g[2], 0,
++		      fallback);
++	nvram_read_u8(prefix, NULL, "txpid5ga3", &sprom->txpid5g[3], 0,
++		      fallback);
++	nvram_read_u8(prefix, NULL, "txpid5gla0", &sprom->txpid5gl[0], 0,
++		      fallback);
++	nvram_read_u8(prefix, NULL, "txpid5gla1", &sprom->txpid5gl[1], 0,
++		      fallback);
++	nvram_read_u8(prefix, NULL, "txpid5gla2", &sprom->txpid5gl[2], 0,
++		      fallback);
++	nvram_read_u8(prefix, NULL, "txpid5gla3", &sprom->txpid5gl[3], 0,
++		      fallback);
++	nvram_read_u8(prefix, NULL, "txpid5gha0", &sprom->txpid5gh[0], 0,
++		      fallback);
++	nvram_read_u8(prefix, NULL, "txpid5gha1", &sprom->txpid5gh[1], 0,
++		      fallback);
++	nvram_read_u8(prefix, NULL, "txpid5gha2", &sprom->txpid5gh[2], 0,
++		      fallback);
++	nvram_read_u8(prefix, NULL, "txpid5gha3", &sprom->txpid5gh[3], 0,
++		      fallback);
+ }
+ 
+-static void bcm47xx_fill_sprom_r89(struct ssb_sprom *sprom, const char *prefix)
++static void bcm47xx_fill_sprom_r89(struct ssb_sprom *sprom, const char *prefix,
++				   bool fallback)
+ {
+-	nvram_read_u8(prefix, NULL, "tssipos2g", &sprom->fem.ghz2.tssipos, 0);
++	nvram_read_u8(prefix, NULL, "tssipos2g", &sprom->fem.ghz2.tssipos, 0,
++		      fallback);
+ 	nvram_read_u8(prefix, NULL, "extpagain2g",
+-		      &sprom->fem.ghz2.extpa_gain, 0);
++		      &sprom->fem.ghz2.extpa_gain, 0, fallback);
+ 	nvram_read_u8(prefix, NULL, "pdetrange2g",
+-		      &sprom->fem.ghz2.pdet_range, 0);
+-	nvram_read_u8(prefix, NULL, "triso2g", &sprom->fem.ghz2.tr_iso, 0);
+-	nvram_read_u8(prefix, NULL, "antswctl2g", &sprom->fem.ghz2.antswlut, 0);
+-	nvram_read_u8(prefix, NULL, "tssipos5g", &sprom->fem.ghz5.tssipos, 0);
++		      &sprom->fem.ghz2.pdet_range, 0, fallback);
++	nvram_read_u8(prefix, NULL, "triso2g", &sprom->fem.ghz2.tr_iso, 0,
++		      fallback);
++	nvram_read_u8(prefix, NULL, "antswctl2g", &sprom->fem.ghz2.antswlut, 0,
++		      fallback);
++	nvram_read_u8(prefix, NULL, "tssipos5g", &sprom->fem.ghz5.tssipos, 0,
++		      fallback);
+ 	nvram_read_u8(prefix, NULL, "extpagain5g",
+-		      &sprom->fem.ghz5.extpa_gain, 0);
++		      &sprom->fem.ghz5.extpa_gain, 0, fallback);
+ 	nvram_read_u8(prefix, NULL, "pdetrange5g",
+-		      &sprom->fem.ghz5.pdet_range, 0);
+-	nvram_read_u8(prefix, NULL, "triso5g", &sprom->fem.ghz5.tr_iso, 0);
+-	nvram_read_u8(prefix, NULL, "antswctl5g", &sprom->fem.ghz5.antswlut, 0);
+-	nvram_read_u8(prefix, NULL, "tempthresh", &sprom->tempthresh, 0);
+-	nvram_read_u8(prefix, NULL, "tempoffset", &sprom->tempoffset, 0);
+-	nvram_read_u16(prefix, NULL, "rawtempsense", &sprom->rawtempsense, 0);
+-	nvram_read_u8(prefix, NULL, "measpower", &sprom->measpower, 0);
++		      &sprom->fem.ghz5.pdet_range, 0, fallback);
++	nvram_read_u8(prefix, NULL, "triso5g", &sprom->fem.ghz5.tr_iso, 0,
++		      fallback);
++	nvram_read_u8(prefix, NULL, "antswctl5g", &sprom->fem.ghz5.antswlut, 0,
++		      fallback);
++	nvram_read_u8(prefix, NULL, "tempthresh", &sprom->tempthresh, 0,
++		      fallback);
++	nvram_read_u8(prefix, NULL, "tempoffset", &sprom->tempoffset, 0,
++		      fallback);
++	nvram_read_u16(prefix, NULL, "rawtempsense", &sprom->rawtempsense, 0,
++		       fallback);
++	nvram_read_u8(prefix, NULL, "measpower", &sprom->measpower, 0,
++		      fallback);
+ 	nvram_read_u8(prefix, NULL, "tempsense_slope",
+-		      &sprom->tempsense_slope, 0);
+-	nvram_read_u8(prefix, NULL, "tempcorrx", &sprom->tempcorrx, 0);
++		      &sprom->tempsense_slope, 0, fallback);
++	nvram_read_u8(prefix, NULL, "tempcorrx", &sprom->tempcorrx, 0,
++		       fallback);
+ 	nvram_read_u8(prefix, NULL, "tempsense_option",
+-		      &sprom->tempsense_option, 0);
++		      &sprom->tempsense_option, 0, fallback);
+ 	nvram_read_u8(prefix, NULL, "freqoffset_corr",
+-		      &sprom->freqoffset_corr, 0);
+-	nvram_read_u8(prefix, NULL, "iqcal_swp_dis", &sprom->iqcal_swp_dis, 0);
+-	nvram_read_u8(prefix, NULL, "hw_iqcal_en", &sprom->hw_iqcal_en, 0);
+-	nvram_read_u8(prefix, NULL, "elna2g", &sprom->elna2g, 0);
+-	nvram_read_u8(prefix, NULL, "elna5g", &sprom->elna5g, 0);
++		      &sprom->freqoffset_corr, 0, fallback);
++	nvram_read_u8(prefix, NULL, "iqcal_swp_dis", &sprom->iqcal_swp_dis, 0,
++		      fallback);
++	nvram_read_u8(prefix, NULL, "hw_iqcal_en", &sprom->hw_iqcal_en, 0,
++		      fallback);
++	nvram_read_u8(prefix, NULL, "elna2g", &sprom->elna2g, 0, fallback);
++	nvram_read_u8(prefix, NULL, "elna5g", &sprom->elna5g, 0, fallback);
+ 	nvram_read_u8(prefix, NULL, "phycal_tempdelta",
+-		      &sprom->phycal_tempdelta, 0);
+-	nvram_read_u8(prefix, NULL, "temps_period", &sprom->temps_period, 0);
++		      &sprom->phycal_tempdelta, 0, fallback);
++	nvram_read_u8(prefix, NULL, "temps_period", &sprom->temps_period, 0,
++		      fallback);
+ 	nvram_read_u8(prefix, NULL, "temps_hysteresis",
+-		      &sprom->temps_hysteresis, 0);
+-	nvram_read_u8(prefix, NULL, "measpower1", &sprom->measpower1, 0);
+-	nvram_read_u8(prefix, NULL, "measpower2", &sprom->measpower2, 0);
++		      &sprom->temps_hysteresis, 0, fallback);
++	nvram_read_u8(prefix, NULL, "measpower1", &sprom->measpower1, 0,
++		      fallback);
++	nvram_read_u8(prefix, NULL, "measpower2", &sprom->measpower2, 0,
++		      fallback);
+ 	nvram_read_u8(prefix, NULL, "rxgainerr2ga0",
+-		      &sprom->rxgainerr2ga[0], 0);
++		      &sprom->rxgainerr2ga[0], 0, fallback);
+ 	nvram_read_u8(prefix, NULL, "rxgainerr2ga1",
+-		      &sprom->rxgainerr2ga[1], 0);
++		      &sprom->rxgainerr2ga[1], 0, fallback);
+ 	nvram_read_u8(prefix, NULL, "rxgainerr2ga2",
+-		      &sprom->rxgainerr2ga[2], 0);
++		      &sprom->rxgainerr2ga[2], 0, fallback);
+ 	nvram_read_u8(prefix, NULL, "rxgainerr5gla0",
+-		      &sprom->rxgainerr5gla[0], 0);
++		      &sprom->rxgainerr5gla[0], 0, fallback);
+ 	nvram_read_u8(prefix, NULL, "rxgainerr5gla1",
+-		      &sprom->rxgainerr5gla[1], 0);
++		      &sprom->rxgainerr5gla[1], 0, fallback);
+ 	nvram_read_u8(prefix, NULL, "rxgainerr5gla2",
+-		      &sprom->rxgainerr5gla[2], 0);
++		      &sprom->rxgainerr5gla[2], 0, fallback);
+ 	nvram_read_u8(prefix, NULL, "rxgainerr5gma0",
+-		      &sprom->rxgainerr5gma[0], 0);
++		      &sprom->rxgainerr5gma[0], 0, fallback);
+ 	nvram_read_u8(prefix, NULL, "rxgainerr5gma1",
+-		      &sprom->rxgainerr5gma[1], 0);
++		      &sprom->rxgainerr5gma[1], 0, fallback);
+ 	nvram_read_u8(prefix, NULL, "rxgainerr5gma2",
+-		      &sprom->rxgainerr5gma[2], 0);
++		      &sprom->rxgainerr5gma[2], 0, fallback);
+ 	nvram_read_u8(prefix, NULL, "rxgainerr5gha0",
+-		      &sprom->rxgainerr5gha[0], 0);
++		      &sprom->rxgainerr5gha[0], 0, fallback);
+ 	nvram_read_u8(prefix, NULL, "rxgainerr5gha1",
+-		      &sprom->rxgainerr5gha[1], 0);
++		      &sprom->rxgainerr5gha[1], 0, fallback);
+ 	nvram_read_u8(prefix, NULL, "rxgainerr5gha2",
+-		      &sprom->rxgainerr5gha[2], 0);
++		      &sprom->rxgainerr5gha[2], 0, fallback);
+ 	nvram_read_u8(prefix, NULL, "rxgainerr5gua0",
+-		      &sprom->rxgainerr5gua[0], 0);
++		      &sprom->rxgainerr5gua[0], 0, fallback);
+ 	nvram_read_u8(prefix, NULL, "rxgainerr5gua1",
+-		      &sprom->rxgainerr5gua[1], 0);
++		      &sprom->rxgainerr5gua[1], 0, fallback);
+ 	nvram_read_u8(prefix, NULL, "rxgainerr5gua2",
+-		      &sprom->rxgainerr5gua[2], 0);
+-	nvram_read_u8(prefix, NULL, "noiselvl2ga0", &sprom->noiselvl2ga[0], 0);
+-	nvram_read_u8(prefix, NULL, "noiselvl2ga1", &sprom->noiselvl2ga[1], 0);
+-	nvram_read_u8(prefix, NULL, "noiselvl2ga2", &sprom->noiselvl2ga[2], 0);
++		      &sprom->rxgainerr5gua[2], 0, fallback);
++	nvram_read_u8(prefix, NULL, "noiselvl2ga0", &sprom->noiselvl2ga[0], 0,
++		      fallback);
++	nvram_read_u8(prefix, NULL, "noiselvl2ga1", &sprom->noiselvl2ga[1], 0,
++		      fallback);
++	nvram_read_u8(prefix, NULL, "noiselvl2ga2", &sprom->noiselvl2ga[2], 0,
++		      fallback);
+ 	nvram_read_u8(prefix, NULL, "noiselvl5gla0",
+-		      &sprom->noiselvl5gla[0], 0);
++		      &sprom->noiselvl5gla[0], 0, fallback);
+ 	nvram_read_u8(prefix, NULL, "noiselvl5gla1",
+-		      &sprom->noiselvl5gla[1], 0);
++		      &sprom->noiselvl5gla[1], 0, fallback);
+ 	nvram_read_u8(prefix, NULL, "noiselvl5gla2",
+-		      &sprom->noiselvl5gla[2], 0);
++		      &sprom->noiselvl5gla[2], 0, fallback);
+ 	nvram_read_u8(prefix, NULL, "noiselvl5gma0",
+-		      &sprom->noiselvl5gma[0], 0);
++		      &sprom->noiselvl5gma[0], 0, fallback);
+ 	nvram_read_u8(prefix, NULL, "noiselvl5gma1",
+-		      &sprom->noiselvl5gma[1], 0);
++		      &sprom->noiselvl5gma[1], 0, fallback);
+ 	nvram_read_u8(prefix, NULL, "noiselvl5gma2",
+-		      &sprom->noiselvl5gma[2], 0);
++		      &sprom->noiselvl5gma[2], 0, fallback);
+ 	nvram_read_u8(prefix, NULL, "noiselvl5gha0",
+-		      &sprom->noiselvl5gha[0], 0);
++		      &sprom->noiselvl5gha[0], 0, fallback);
+ 	nvram_read_u8(prefix, NULL, "noiselvl5gha1",
+-		      &sprom->noiselvl5gha[1], 0);
++		      &sprom->noiselvl5gha[1], 0, fallback);
+ 	nvram_read_u8(prefix, NULL, "noiselvl5gha2",
+-		      &sprom->noiselvl5gha[2], 0);
++		      &sprom->noiselvl5gha[2], 0, fallback);
+ 	nvram_read_u8(prefix, NULL, "noiselvl5gua0",
+-		      &sprom->noiselvl5gua[0], 0);
++		      &sprom->noiselvl5gua[0], 0, fallback);
+ 	nvram_read_u8(prefix, NULL, "noiselvl5gua1",
+-		      &sprom->noiselvl5gua[1], 0);
++		      &sprom->noiselvl5gua[1], 0, fallback);
+ 	nvram_read_u8(prefix, NULL, "noiselvl5gua2",
+-		      &sprom->noiselvl5gua[2], 0);
++		      &sprom->noiselvl5gua[2], 0, fallback);
+ 	nvram_read_u8(prefix, NULL, "pcieingress_war",
+-		      &sprom->pcieingress_war, 0);
++		      &sprom->pcieingress_war, 0, fallback);
+ }
+ 
+-static void bcm47xx_fill_sprom_r9(struct ssb_sprom *sprom, const char *prefix)
++static void bcm47xx_fill_sprom_r9(struct ssb_sprom *sprom, const char *prefix,
++				  bool fallback)
+ {
+-	nvram_read_u16(prefix, NULL, "cckbw202gpo", &sprom->cckbw202gpo, 0);
+-	nvram_read_u16(prefix, NULL, "cckbw20ul2gpo", &sprom->cckbw20ul2gpo, 0);
++	nvram_read_u16(prefix, NULL, "cckbw202gpo", &sprom->cckbw202gpo, 0,
++		       fallback);
++	nvram_read_u16(prefix, NULL, "cckbw20ul2gpo", &sprom->cckbw20ul2gpo, 0,
++		       fallback);
+ 	nvram_read_u32(prefix, NULL, "legofdmbw202gpo",
+-		       &sprom->legofdmbw202gpo, 0);
++		       &sprom->legofdmbw202gpo, 0, fallback);
+ 	nvram_read_u32(prefix, NULL, "legofdmbw20ul2gpo",
+-		       &sprom->legofdmbw20ul2gpo, 0);
++		       &sprom->legofdmbw20ul2gpo, 0, fallback);
+ 	nvram_read_u32(prefix, NULL, "legofdmbw205glpo",
+-		       &sprom->legofdmbw205glpo, 0);
++		       &sprom->legofdmbw205glpo, 0, fallback);
+ 	nvram_read_u32(prefix, NULL, "legofdmbw20ul5glpo",
+-		       &sprom->legofdmbw20ul5glpo, 0);
++		       &sprom->legofdmbw20ul5glpo, 0, fallback);
+ 	nvram_read_u32(prefix, NULL, "legofdmbw205gmpo",
+-		       &sprom->legofdmbw205gmpo, 0);
++		       &sprom->legofdmbw205gmpo, 0, fallback);
+ 	nvram_read_u32(prefix, NULL, "legofdmbw20ul5gmpo",
+-		       &sprom->legofdmbw20ul5gmpo, 0);
++		       &sprom->legofdmbw20ul5gmpo, 0, fallback);
+ 	nvram_read_u32(prefix, NULL, "legofdmbw205ghpo",
+-		       &sprom->legofdmbw205ghpo, 0);
++		       &sprom->legofdmbw205ghpo, 0, fallback);
+ 	nvram_read_u32(prefix, NULL, "legofdmbw20ul5ghpo",
+-		       &sprom->legofdmbw20ul5ghpo, 0);
+-	nvram_read_u32(prefix, NULL, "mcsbw202gpo", &sprom->mcsbw202gpo, 0);
+-	nvram_read_u32(prefix, NULL, "mcsbw20ul2gpo", &sprom->mcsbw20ul2gpo, 0);
+-	nvram_read_u32(prefix, NULL, "mcsbw402gpo", &sprom->mcsbw402gpo, 0);
+-	nvram_read_u32(prefix, NULL, "mcsbw205glpo", &sprom->mcsbw205glpo, 0);
++		       &sprom->legofdmbw20ul5ghpo, 0, fallback);
++	nvram_read_u32(prefix, NULL, "mcsbw202gpo", &sprom->mcsbw202gpo, 0,
++		       fallback);
++	nvram_read_u32(prefix, NULL, "mcsbw20ul2gpo", &sprom->mcsbw20ul2gpo, 0,
++		       fallback);
++	nvram_read_u32(prefix, NULL, "mcsbw402gpo", &sprom->mcsbw402gpo, 0,
++		       fallback);
++	nvram_read_u32(prefix, NULL, "mcsbw205glpo", &sprom->mcsbw205glpo, 0,
++		       fallback);
+ 	nvram_read_u32(prefix, NULL, "mcsbw20ul5glpo",
+-		       &sprom->mcsbw20ul5glpo, 0);
+-	nvram_read_u32(prefix, NULL, "mcsbw405glpo", &sprom->mcsbw405glpo, 0);
+-	nvram_read_u32(prefix, NULL, "mcsbw205gmpo", &sprom->mcsbw205gmpo, 0);
++		       &sprom->mcsbw20ul5glpo, 0, fallback);
++	nvram_read_u32(prefix, NULL, "mcsbw405glpo", &sprom->mcsbw405glpo, 0,
++		       fallback);
++	nvram_read_u32(prefix, NULL, "mcsbw205gmpo", &sprom->mcsbw205gmpo, 0,
++		       fallback);
+ 	nvram_read_u32(prefix, NULL, "mcsbw20ul5gmpo",
+-		       &sprom->mcsbw20ul5gmpo, 0);
+-	nvram_read_u32(prefix, NULL, "mcsbw405gmpo", &sprom->mcsbw405gmpo, 0);
+-	nvram_read_u32(prefix, NULL, "mcsbw205ghpo", &sprom->mcsbw205ghpo, 0);
++		       &sprom->mcsbw20ul5gmpo, 0, fallback);
++	nvram_read_u32(prefix, NULL, "mcsbw405gmpo", &sprom->mcsbw405gmpo, 0,
++		       fallback);
++	nvram_read_u32(prefix, NULL, "mcsbw205ghpo", &sprom->mcsbw205ghpo, 0,
++		       fallback);
+ 	nvram_read_u32(prefix, NULL, "mcsbw20ul5ghpo",
+-		       &sprom->mcsbw20ul5ghpo, 0);
+-	nvram_read_u32(prefix, NULL, "mcsbw405ghpo", &sprom->mcsbw405ghpo, 0);
+-	nvram_read_u16(prefix, NULL, "mcs32po", &sprom->mcs32po, 0);
++		       &sprom->mcsbw20ul5ghpo, 0, fallback);
++	nvram_read_u32(prefix, NULL, "mcsbw405ghpo", &sprom->mcsbw405ghpo, 0,
++		       fallback);
++	nvram_read_u16(prefix, NULL, "mcs32po", &sprom->mcs32po, 0, fallback);
+ 	nvram_read_u16(prefix, NULL, "legofdm40duppo",
+-		       &sprom->legofdm40duppo, 0);
+-	nvram_read_u8(prefix, NULL, "sar2g", &sprom->sar2g, 0);
+-	nvram_read_u8(prefix, NULL, "sar5g", &sprom->sar5g, 0);
++		       &sprom->legofdm40duppo, 0, fallback);
++	nvram_read_u8(prefix, NULL, "sar2g", &sprom->sar2g, 0, fallback);
++	nvram_read_u8(prefix, NULL, "sar5g", &sprom->sar5g, 0, fallback);
+ }
+ 
+ static void bcm47xx_fill_sprom_path_r4589(struct ssb_sprom *sprom,
+-					  const char *prefix)
++					  const char *prefix, bool fallback)
+ {
+ 	char postfix[2];
+ 	int i;
+@@ -464,46 +572,46 @@ static void bcm47xx_fill_sprom_path_r458
+ 		struct ssb_sprom_core_pwr_info *pwr_info = &sprom->core_pwr_info[i];
+ 		snprintf(postfix, sizeof(postfix), "%i", i);
+ 		nvram_read_u8(prefix, postfix, "maxp2ga",
+-			      &pwr_info->maxpwr_2g, 0);
++			      &pwr_info->maxpwr_2g, 0, fallback);
+ 		nvram_read_u8(prefix, postfix, "itt2ga",
+-			      &pwr_info->itssi_2g, 0);
++			      &pwr_info->itssi_2g, 0, fallback);
+ 		nvram_read_u8(prefix, postfix, "itt5ga",
+-			      &pwr_info->itssi_5g, 0);
++			      &pwr_info->itssi_5g, 0, fallback);
+ 		nvram_read_u16(prefix, postfix, "pa2gw0a",
+-			       &pwr_info->pa_2g[0], 0);
++			       &pwr_info->pa_2g[0], 0, fallback);
+ 		nvram_read_u16(prefix, postfix, "pa2gw1a",
+-			       &pwr_info->pa_2g[1], 0);
++			       &pwr_info->pa_2g[1], 0, fallback);
+ 		nvram_read_u16(prefix, postfix, "pa2gw2a",
+-			       &pwr_info->pa_2g[2], 0);
++			       &pwr_info->pa_2g[2], 0, fallback);
+ 		nvram_read_u8(prefix, postfix, "maxp5ga",
+-			      &pwr_info->maxpwr_5g, 0);
++			      &pwr_info->maxpwr_5g, 0, fallback);
+ 		nvram_read_u8(prefix, postfix, "maxp5gha",
+-			      &pwr_info->maxpwr_5gh, 0);
++			      &pwr_info->maxpwr_5gh, 0, fallback);
+ 		nvram_read_u8(prefix, postfix, "maxp5gla",
+-			      &pwr_info->maxpwr_5gl, 0);
++			      &pwr_info->maxpwr_5gl, 0, fallback);
+ 		nvram_read_u16(prefix, postfix, "pa5gw0a",
+-			       &pwr_info->pa_5g[0], 0);
++			       &pwr_info->pa_5g[0], 0, fallback);
+ 		nvram_read_u16(prefix, postfix, "pa5gw1a",
+-			       &pwr_info->pa_5g[1], 0);
++			       &pwr_info->pa_5g[1], 0, fallback);
+ 		nvram_read_u16(prefix, postfix, "pa5gw2a",
+-			       &pwr_info->pa_5g[2], 0);
++			       &pwr_info->pa_5g[2], 0, fallback);
+ 		nvram_read_u16(prefix, postfix, "pa5glw0a",
+-			       &pwr_info->pa_5gl[0], 0);
++			       &pwr_info->pa_5gl[0], 0, fallback);
+ 		nvram_read_u16(prefix, postfix, "pa5glw1a",
+-			       &pwr_info->pa_5gl[1], 0);
++			       &pwr_info->pa_5gl[1], 0, fallback);
+ 		nvram_read_u16(prefix, postfix, "pa5glw2a",
+-			       &pwr_info->pa_5gl[2], 0);
++			       &pwr_info->pa_5gl[2], 0, fallback);
+ 		nvram_read_u16(prefix, postfix, "pa5ghw0a",
+-			       &pwr_info->pa_5gh[0], 0);
++			       &pwr_info->pa_5gh[0], 0, fallback);
+ 		nvram_read_u16(prefix, postfix, "pa5ghw1a",
+-			       &pwr_info->pa_5gh[1], 0);
++			       &pwr_info->pa_5gh[1], 0, fallback);
+ 		nvram_read_u16(prefix, postfix, "pa5ghw2a",
+-			       &pwr_info->pa_5gh[2], 0);
++			       &pwr_info->pa_5gh[2], 0, fallback);
+ 	}
+ }
+ 
+ static void bcm47xx_fill_sprom_path_r45(struct ssb_sprom *sprom,
+-					const char *prefix)
++					const char *prefix, bool fallback)
+ {
+ 	char postfix[2];
+ 	int i;
+@@ -512,104 +620,112 @@ static void bcm47xx_fill_sprom_path_r45(
+ 		struct ssb_sprom_core_pwr_info *pwr_info = &sprom->core_pwr_info[i];
+ 		snprintf(postfix, sizeof(postfix), "%i", i);
+ 		nvram_read_u16(prefix, postfix, "pa2gw3a",
+-			       &pwr_info->pa_2g[3], 0);
++			       &pwr_info->pa_2g[3], 0, fallback);
+ 		nvram_read_u16(prefix, postfix, "pa5gw3a",
+-			       &pwr_info->pa_5g[3], 0);
++			       &pwr_info->pa_5g[3], 0, fallback);
+ 		nvram_read_u16(prefix, postfix, "pa5glw3a",
+-			       &pwr_info->pa_5gl[3], 0);
++			       &pwr_info->pa_5gl[3], 0, fallback);
+ 		nvram_read_u16(prefix, postfix, "pa5ghw3a",
+-			       &pwr_info->pa_5gh[3], 0);
++			       &pwr_info->pa_5gh[3], 0, fallback);
+ 	}
+ }
+ 
+-void bcm47xx_fill_sprom_ethernet(struct ssb_sprom *sprom, const char *prefix)
+-{
+-	nvram_read_macaddr(prefix, "et0macaddr", &sprom->et0mac);
+-	nvram_read_u8(prefix, NULL, "et0mdcport", &sprom->et0mdcport, 0);
+-	nvram_read_u8(prefix, NULL, "et0phyaddr", &sprom->et0phyaddr, 0);
+-
+-	nvram_read_macaddr(prefix, "et1macaddr", &sprom->et1mac);
+-	nvram_read_u8(prefix, NULL, "et1mdcport", &sprom->et1mdcport, 0);
+-	nvram_read_u8(prefix, NULL, "et1phyaddr", &sprom->et1phyaddr, 0);
+-
+-	nvram_read_macaddr(prefix, "macaddr", &sprom->il0mac);
+-	nvram_read_macaddr(prefix, "il0macaddr", &sprom->il0mac);
+-}
+-
+-static void bcm47xx_fill_board_data(struct ssb_sprom *sprom, const char *prefix)
++static void bcm47xx_fill_sprom_ethernet(struct ssb_sprom *sprom,
++					const char *prefix, bool fallback)
+ {
+-	nvram_read_u16(prefix, NULL, "boardrev", &sprom->board_rev, 0);
+-	if (!sprom->board_rev)
+-		nvram_read_u16(NULL, NULL, "boardrev", &sprom->board_rev, 0);
+-	nvram_read_u16(prefix, NULL, "boardnum", &sprom->board_num, 0);
+-	nvram_read_u16(prefix, NULL, "boardtype", &sprom->board_type, 0);
++	nvram_read_macaddr(prefix, "et0macaddr", &sprom->et0mac, fallback);
++	nvram_read_u8(prefix, NULL, "et0mdcport", &sprom->et0mdcport, 0,
++		      fallback);
++	nvram_read_u8(prefix, NULL, "et0phyaddr", &sprom->et0phyaddr, 0,
++		      fallback);
++
++	nvram_read_macaddr(prefix, "et1macaddr", &sprom->et1mac, fallback);
++	nvram_read_u8(prefix, NULL, "et1mdcport", &sprom->et1mdcport, 0,
++		      fallback);
++	nvram_read_u8(prefix, NULL, "et1phyaddr", &sprom->et1phyaddr, 0,
++		      fallback);
++
++	nvram_read_macaddr(prefix, "macaddr", &sprom->il0mac, fallback);
++	nvram_read_macaddr(prefix, "il0macaddr", &sprom->il0mac, fallback);
++}
++
++static void bcm47xx_fill_board_data(struct ssb_sprom *sprom, const char *prefix,
++				    bool fallback)
++{
++	nvram_read_u16(prefix, NULL, "boardrev", &sprom->board_rev, 0,
++		       fallback);
++	nvram_read_u16(prefix, NULL, "boardnum", &sprom->board_num, 0,
++		       fallback);
++	nvram_read_u16(prefix, NULL, "boardtype", &sprom->board_type, 0,
++		       fallback);
+ 	nvram_read_u32_2(prefix, "boardflags", &sprom->boardflags_lo,
+-			 &sprom->boardflags_hi);
++			 &sprom->boardflags_hi, fallback);
+ 	nvram_read_u32_2(prefix, "boardflags2", &sprom->boardflags2_lo,
+-			 &sprom->boardflags2_hi);
++			 &sprom->boardflags2_hi, fallback);
+ }
+ 
+-void bcm47xx_fill_sprom(struct ssb_sprom *sprom, const char *prefix)
++void bcm47xx_fill_sprom(struct ssb_sprom *sprom, const char *prefix,
++			bool fallback)
+ {
+-	bcm47xx_fill_sprom_ethernet(sprom, prefix);
+-	bcm47xx_fill_board_data(sprom, prefix);
++	bcm47xx_fill_sprom_ethernet(sprom, prefix, fallback);
++	bcm47xx_fill_board_data(sprom, prefix, fallback);
+ 
+-	nvram_read_u8(prefix, NULL, "sromrev", &sprom->revision, 0);
++	nvram_read_u8(prefix, NULL, "sromrev", &sprom->revision, 0, fallback);
+ 
+ 	switch (sprom->revision) {
+ 	case 1:
+-		bcm47xx_fill_sprom_r1234589(sprom, prefix);
+-		bcm47xx_fill_sprom_r12389(sprom, prefix);
+-		bcm47xx_fill_sprom_r1(sprom, prefix);
++		bcm47xx_fill_sprom_r1234589(sprom, prefix, fallback);
++		bcm47xx_fill_sprom_r12389(sprom, prefix, fallback);
++		bcm47xx_fill_sprom_r1(sprom, prefix, fallback);
+ 		break;
+ 	case 2:
+-		bcm47xx_fill_sprom_r1234589(sprom, prefix);
+-		bcm47xx_fill_sprom_r12389(sprom, prefix);
+-		bcm47xx_fill_sprom_r2389(sprom, prefix);
++		bcm47xx_fill_sprom_r1234589(sprom, prefix, fallback);
++		bcm47xx_fill_sprom_r12389(sprom, prefix, fallback);
++		bcm47xx_fill_sprom_r2389(sprom, prefix, fallback);
+ 		break;
+ 	case 3:
+-		bcm47xx_fill_sprom_r1234589(sprom, prefix);
+-		bcm47xx_fill_sprom_r12389(sprom, prefix);
+-		bcm47xx_fill_sprom_r2389(sprom, prefix);
+-		bcm47xx_fill_sprom_r389(sprom, prefix);
+-		bcm47xx_fill_sprom_r3(sprom, prefix);
++		bcm47xx_fill_sprom_r1234589(sprom, prefix, fallback);
++		bcm47xx_fill_sprom_r12389(sprom, prefix, fallback);
++		bcm47xx_fill_sprom_r2389(sprom, prefix, fallback);
++		bcm47xx_fill_sprom_r389(sprom, prefix, fallback);
++		bcm47xx_fill_sprom_r3(sprom, prefix, fallback);
+ 		break;
+ 	case 4:
+ 	case 5:
+-		bcm47xx_fill_sprom_r1234589(sprom, prefix);
+-		bcm47xx_fill_sprom_r4589(sprom, prefix);
+-		bcm47xx_fill_sprom_r458(sprom, prefix);
+-		bcm47xx_fill_sprom_r45(sprom, prefix);
+-		bcm47xx_fill_sprom_path_r4589(sprom, prefix);
+-		bcm47xx_fill_sprom_path_r45(sprom, prefix);
++		bcm47xx_fill_sprom_r1234589(sprom, prefix, fallback);
++		bcm47xx_fill_sprom_r4589(sprom, prefix, fallback);
++		bcm47xx_fill_sprom_r458(sprom, prefix, fallback);
++		bcm47xx_fill_sprom_r45(sprom, prefix, fallback);
++		bcm47xx_fill_sprom_path_r4589(sprom, prefix, fallback);
++		bcm47xx_fill_sprom_path_r45(sprom, prefix, fallback);
+ 		break;
+ 	case 8:
+-		bcm47xx_fill_sprom_r1234589(sprom, prefix);
+-		bcm47xx_fill_sprom_r12389(sprom, prefix);
+-		bcm47xx_fill_sprom_r2389(sprom, prefix);
+-		bcm47xx_fill_sprom_r389(sprom, prefix);
+-		bcm47xx_fill_sprom_r4589(sprom, prefix);
+-		bcm47xx_fill_sprom_r458(sprom, prefix);
+-		bcm47xx_fill_sprom_r89(sprom, prefix);
+-		bcm47xx_fill_sprom_path_r4589(sprom, prefix);
++		bcm47xx_fill_sprom_r1234589(sprom, prefix, fallback);
++		bcm47xx_fill_sprom_r12389(sprom, prefix, fallback);
++		bcm47xx_fill_sprom_r2389(sprom, prefix, fallback);
++		bcm47xx_fill_sprom_r389(sprom, prefix, fallback);
++		bcm47xx_fill_sprom_r4589(sprom, prefix, fallback);
++		bcm47xx_fill_sprom_r458(sprom, prefix, fallback);
++		bcm47xx_fill_sprom_r89(sprom, prefix, fallback);
++		bcm47xx_fill_sprom_path_r4589(sprom, prefix, fallback);
+ 		break;
+ 	case 9:
+-		bcm47xx_fill_sprom_r1234589(sprom, prefix);
+-		bcm47xx_fill_sprom_r12389(sprom, prefix);
+-		bcm47xx_fill_sprom_r2389(sprom, prefix);
+-		bcm47xx_fill_sprom_r389(sprom, prefix);
+-		bcm47xx_fill_sprom_r4589(sprom, prefix);
+-		bcm47xx_fill_sprom_r89(sprom, prefix);
+-		bcm47xx_fill_sprom_r9(sprom, prefix);
+-		bcm47xx_fill_sprom_path_r4589(sprom, prefix);
++		bcm47xx_fill_sprom_r1234589(sprom, prefix, fallback);
++		bcm47xx_fill_sprom_r12389(sprom, prefix, fallback);
++		bcm47xx_fill_sprom_r2389(sprom, prefix, fallback);
++		bcm47xx_fill_sprom_r389(sprom, prefix, fallback);
++		bcm47xx_fill_sprom_r4589(sprom, prefix, fallback);
++		bcm47xx_fill_sprom_r89(sprom, prefix, fallback);
++		bcm47xx_fill_sprom_r9(sprom, prefix, fallback);
++		bcm47xx_fill_sprom_path_r4589(sprom, prefix, fallback);
+ 		break;
+ 	default:
+ 		pr_warn("Unsupported SPROM revision %d detected. Will extract"
+ 			" v1\n", sprom->revision);
+ 		sprom->revision = 1;
+-		bcm47xx_fill_sprom_r1234589(sprom, prefix);
+-		bcm47xx_fill_sprom_r12389(sprom, prefix);
+-		bcm47xx_fill_sprom_r1(sprom, prefix);
++		bcm47xx_fill_sprom_r1234589(sprom, prefix, fallback);
++		bcm47xx_fill_sprom_r12389(sprom, prefix, fallback);
++		bcm47xx_fill_sprom_r1(sprom, prefix, fallback);
+ 	}
+ }
+ 
+@@ -617,11 +733,12 @@ void bcm47xx_fill_sprom(struct ssb_sprom
+ void bcm47xx_fill_ssb_boardinfo(struct ssb_boardinfo *boardinfo,
+ 				const char *prefix)
+ {
+-	nvram_read_u16(prefix, NULL, "boardvendor", &boardinfo->vendor, 0);
++	nvram_read_u16(prefix, NULL, "boardvendor", &boardinfo->vendor, 0,
++		       true);
+ 	if (!boardinfo->vendor)
+ 		boardinfo->vendor = SSB_BOARDVENDOR_BCM;
+ 
+-	nvram_read_u16(prefix, NULL, "boardtype", &boardinfo->type, 0);
++	nvram_read_u16(prefix, NULL, "boardtype", &boardinfo->type, 0, true);
+ }
+ #endif
+ 
+@@ -629,10 +746,11 @@ void bcm47xx_fill_ssb_boardinfo(struct s
+ void bcm47xx_fill_bcma_boardinfo(struct bcma_boardinfo *boardinfo,
+ 				 const char *prefix)
+ {
+-	nvram_read_u16(prefix, NULL, "boardvendor", &boardinfo->vendor, 0);
++	nvram_read_u16(prefix, NULL, "boardvendor", &boardinfo->vendor, 0,
++		       true);
+ 	if (!boardinfo->vendor)
+ 		boardinfo->vendor = SSB_BOARDVENDOR_BCM;
+ 
+-	nvram_read_u16(prefix, NULL, "boardtype", &boardinfo->type, 0);
++	nvram_read_u16(prefix, NULL, "boardtype", &boardinfo->type, 0, true);
+ }
+ #endif
+--- a/arch/mips/include/asm/mach-bcm47xx/bcm47xx.h
++++ b/arch/mips/include/asm/mach-bcm47xx/bcm47xx.h
+@@ -44,8 +44,8 @@ union bcm47xx_bus {
+ extern union bcm47xx_bus bcm47xx_bus;
+ extern enum bcm47xx_bus_type bcm47xx_bus_type;
+ 
+-void bcm47xx_fill_sprom(struct ssb_sprom *sprom, const char *prefix);
+-void bcm47xx_fill_sprom_ethernet(struct ssb_sprom *sprom, const char *prefix);
++void bcm47xx_fill_sprom(struct ssb_sprom *sprom, const char *prefix,
++			bool fallback);
+ 
+ #ifdef CONFIG_BCM47XX_SSB
+ void bcm47xx_fill_ssb_boardinfo(struct ssb_boardinfo *boardinfo,
diff --git a/target/linux/brcm47xx/patches-3.6/210-b44_phy_fix.patch b/target/linux/brcm47xx/patches-3.6/210-b44_phy_fix.patch
new file mode 100644
index 0000000000..a7929bb420
--- /dev/null
+++ b/target/linux/brcm47xx/patches-3.6/210-b44_phy_fix.patch
@@ -0,0 +1,54 @@
+--- a/drivers/net/ethernet/broadcom/b44.c
++++ b/drivers/net/ethernet/broadcom/b44.c
+@@ -410,10 +410,34 @@ static void b44_wap54g10_workaround(stru
+ error:
+ 	pr_warning("PHY: cannot reset MII transceiver isolate bit\n");
+ }
++
++static void b44_bcm47xx_workarounds(struct b44 *bp)
++{
++	char buf[20];
++	struct ssb_device *sdev = bp->sdev;
++
++	/* Toshiba WRC-1000, Siemens SE505 v1, Askey RT-210W, RT-220W */
++	if (sdev->bus->sprom.board_num == 100) {
++		bp->phy_addr = B44_PHY_ADDR_NO_PHY;
++	} else {
++		/* WL-HDD */
++		if (nvram_getenv("hardware_version", buf, sizeof(buf)) >= 0 &&
++		    !strncmp(buf, "WL300-", strlen("WL300-"))) {
++			if (sdev->bus->sprom.et0phyaddr == 0 &&
++			    sdev->bus->sprom.et1phyaddr == 1)
++				bp->phy_addr = B44_PHY_ADDR_NO_PHY;
++		}
++	}
++	return;
++}
+ #else
+ static inline void b44_wap54g10_workaround(struct b44 *bp)
+ {
+ }
++
++static inline void b44_bcm47xx_workarounds(struct b44 *bp)
++{
++}
+ #endif
+ 
+ static int b44_setup_phy(struct b44 *bp)
+@@ -422,6 +446,7 @@ static int b44_setup_phy(struct b44 *bp)
+ 	int err;
+ 
+ 	b44_wap54g10_workaround(bp);
++	b44_bcm47xx_workarounds(bp);
+ 
+ 	if (bp->phy_addr == B44_PHY_ADDR_NO_PHY)
+ 		return 0;
+@@ -2104,6 +2129,8 @@ static int __devinit b44_get_invariants(
+ 	 * valid PHY address. */
+ 	bp->phy_addr &= 0x1F;
+ 
++	b44_bcm47xx_workarounds(bp);
++
+ 	memcpy(bp->dev->dev_addr, addr, 6);
+ 
+ 	if (!is_valid_ether_addr(&bp->dev->dev_addr[0])){
diff --git a/target/linux/brcm47xx/patches-3.6/211-b44_timeout_spam.patch b/target/linux/brcm47xx/patches-3.6/211-b44_timeout_spam.patch
new file mode 100644
index 0000000000..c2eb3ad90b
--- /dev/null
+++ b/target/linux/brcm47xx/patches-3.6/211-b44_timeout_spam.patch
@@ -0,0 +1,15 @@
+--- a/drivers/net/ethernet/broadcom/b44.c
++++ b/drivers/net/ethernet/broadcom/b44.c
+@@ -187,10 +187,11 @@ static int b44_wait_bit(struct b44 *bp,
+ 		udelay(10);
+ 	}
+ 	if (i == timeout) {
++#if 0
+ 		if (net_ratelimit())
+ 			netdev_err(bp->dev, "BUG!  Timeout waiting for bit %08x of register %lx to %s\n",
+ 				   bit, reg, clear ? "clear" : "set");
+-
++#endif
+ 		return -ENODEV;
+ 	}
+ 	return 0;
diff --git a/target/linux/brcm47xx/patches-3.6/240-bcma-pcie-config-access.patch b/target/linux/brcm47xx/patches-3.6/240-bcma-pcie-config-access.patch
new file mode 100644
index 0000000000..91b8a4191c
--- /dev/null
+++ b/target/linux/brcm47xx/patches-3.6/240-bcma-pcie-config-access.patch
@@ -0,0 +1,104 @@
+--- a/drivers/bcma/driver_pci_host.c
++++ b/drivers/bcma/driver_pci_host.c
+@@ -94,19 +94,19 @@ static int bcma_extpci_read_config(struc
+ 	if (dev == 0) {
+ 		/* we support only two functions on device 0 */
+ 		if (func > 1)
+-			return -EINVAL;
++			goto out;
+ 
+ 		/* accesses to config registers with offsets >= 256
+ 		 * requires indirect access.
+ 		 */
+ 		if (off >= PCI_CONFIG_SPACE_SIZE) {
+ 			addr = (func << 12);
+-			addr |= (off & 0x0FFF);
++			addr |= (off & 0x0FFC);
+ 			val = bcma_pcie_read_config(pc, addr);
+ 		} else {
+ 			addr = BCMA_CORE_PCI_PCICFG0;
+ 			addr |= (func << 8);
+-			addr |= (off & 0xfc);
++			addr |= (off & 0xFC);
+ 			val = pcicore_read32(pc, addr);
+ 		}
+ 	} else {
+@@ -122,8 +122,6 @@ static int bcma_extpci_read_config(struc
+ 			val = 0xffffffff;
+ 			goto unmap;
+ 		}
+-
+-		val = readl(mmio);
+ 	}
+ 	val >>= (8 * (off & 3));
+ 
+@@ -151,7 +149,7 @@ static int bcma_extpci_write_config(stru
+ 				   const void *buf, int len)
+ {
+ 	int err = -EINVAL;
+-	u32 addr = 0, val = 0;
++	u32 addr, val;
+ 	void __iomem *mmio = 0;
+ 	u16 chipid = pc->core->bus->chipinfo.id;
+ 
+@@ -159,16 +157,22 @@ static int bcma_extpci_write_config(stru
+ 	if (unlikely(len != 1 && len != 2 && len != 4))
+ 		goto out;
+ 	if (dev == 0) {
++		/* we support only two functions on device 0 */
++		if (func > 1)
++			goto out;
++
+ 		/* accesses to config registers with offsets >= 256
+ 		 * requires indirect access.
+ 		 */
+-		if (off < PCI_CONFIG_SPACE_SIZE) {
+-			addr = pc->core->addr + BCMA_CORE_PCI_PCICFG0;
++		if (off >= PCI_CONFIG_SPACE_SIZE) {
++			addr = (func << 12);
++			addr |= (off & 0x0FFC);
++			val = bcma_pcie_read_config(pc, addr);
++		} else {
++			addr = BCMA_CORE_PCI_PCICFG0;
+ 			addr |= (func << 8);
+-			addr |= (off & 0xfc);
+-			mmio = ioremap_nocache(addr, sizeof(val));
+-			if (!mmio)
+-				goto out;
++			addr |= (off & 0xFC);
++			val = pcicore_read32(pc, addr);
+ 		}
+ 	} else {
+ 		addr = bcma_get_cfgspace_addr(pc, dev, func, off);
+@@ -187,12 +191,10 @@ static int bcma_extpci_write_config(stru
+ 
+ 	switch (len) {
+ 	case 1:
+-		val = readl(mmio);
+ 		val &= ~(0xFF << (8 * (off & 3)));
+ 		val |= *((const u8 *)buf) << (8 * (off & 3));
+ 		break;
+ 	case 2:
+-		val = readl(mmio);
+ 		val &= ~(0xFFFF << (8 * (off & 3)));
+ 		val |= *((const u16 *)buf) << (8 * (off & 3));
+ 		break;
+@@ -200,13 +202,14 @@ static int bcma_extpci_write_config(stru
+ 		val = *((const u32 *)buf);
+ 		break;
+ 	}
+-	if (dev == 0 && !addr) {
++	if (dev == 0) {
+ 		/* accesses to config registers with offsets >= 256
+ 		 * requires indirect access.
+ 		 */
+-		addr = (func << 12);
+-		addr |= (off & 0x0FFF);
+-		bcma_pcie_write_config(pc, addr, val);
++		if (off >= PCI_CONFIG_SPACE_SIZE)
++			bcma_pcie_write_config(pc, addr, val);
++		else
++			pcicore_write32(pc, addr, val);
+ 	} else {
+ 		writel(val, mmio);
+ 
diff --git a/target/linux/brcm47xx/patches-3.6/280-activate_ssb_support_in_usb.patch b/target/linux/brcm47xx/patches-3.6/280-activate_ssb_support_in_usb.patch
new file mode 100644
index 0000000000..8b858e11ba
--- /dev/null
+++ b/target/linux/brcm47xx/patches-3.6/280-activate_ssb_support_in_usb.patch
@@ -0,0 +1,25 @@
+This prevents the options from being delete with make kernel_oldconfig.
+---
+ drivers/ssb/Kconfig |    2 ++
+ 1 file changed, 2 insertions(+)
+
+--- a/drivers/bcma/Kconfig
++++ b/drivers/bcma/Kconfig
+@@ -37,6 +37,7 @@ config BCMA_DRIVER_PCI_HOSTMODE
+ config BCMA_HOST_SOC
+ 	bool
+ 	depends on BCMA_DRIVER_MIPS
++	select USB_HCD_BCMA if USB_EHCI_HCD || USB_OHCI_HCD
+ 
+ config BCMA_DRIVER_MIPS
+ 	bool "BCMA Broadcom MIPS core driver"
+--- a/drivers/ssb/Kconfig
++++ b/drivers/ssb/Kconfig
+@@ -146,6 +146,7 @@ config SSB_EMBEDDED
+ config SSB_SFLASH
+ 	bool
+ 	depends on SSB_DRIVER_MIPS
++	select USB_HCD_SSB if USB_EHCI_HCD || USB_OHCI_HCD
+ 	default y
+ 
+ config SSB_DRIVER_EXTIF
diff --git a/target/linux/brcm47xx/patches-3.6/300-fork_cacheflush.patch b/target/linux/brcm47xx/patches-3.6/300-fork_cacheflush.patch
new file mode 100644
index 0000000000..686fb1b945
--- /dev/null
+++ b/target/linux/brcm47xx/patches-3.6/300-fork_cacheflush.patch
@@ -0,0 +1,11 @@
+--- a/arch/mips/include/asm/cacheflush.h
++++ b/arch/mips/include/asm/cacheflush.h
+@@ -32,7 +32,7 @@
+ extern void (*flush_cache_all)(void);
+ extern void (*__flush_cache_all)(void);
+ extern void (*flush_cache_mm)(struct mm_struct *mm);
+-#define flush_cache_dup_mm(mm)	do { (void) (mm); } while (0)
++#define flush_cache_dup_mm(mm) flush_cache_mm(mm)
+ extern void (*flush_cache_range)(struct vm_area_struct *vma,
+ 	unsigned long start, unsigned long end);
+ extern void (*flush_cache_page)(struct vm_area_struct *vma, unsigned long page, unsigned long pfn);
diff --git a/target/linux/brcm47xx/patches-3.6/310-no_highpage.patch b/target/linux/brcm47xx/patches-3.6/310-no_highpage.patch
new file mode 100644
index 0000000000..d88437ff76
--- /dev/null
+++ b/target/linux/brcm47xx/patches-3.6/310-no_highpage.patch
@@ -0,0 +1,66 @@
+--- a/arch/mips/include/asm/page.h
++++ b/arch/mips/include/asm/page.h
+@@ -48,6 +48,7 @@
+ #ifndef __ASSEMBLY__
+ 
+ #include <linux/pfn.h>
++#include <asm/cpu-features.h>
+ #include <asm/io.h>
+ 
+ extern void build_clear_page(void);
+@@ -83,13 +84,16 @@ static inline void clear_user_page(void
+ 		flush_data_cache_page((unsigned long)addr);
+ }
+ 
+-extern void copy_user_page(void *vto, void *vfrom, unsigned long vaddr,
+-	struct page *to);
+-struct vm_area_struct;
+-extern void copy_user_highpage(struct page *to, struct page *from,
+-	unsigned long vaddr, struct vm_area_struct *vma);
++static inline void copy_user_page(void *vto, void *vfrom, unsigned long vaddr,
++	struct page *to)
++{
++	extern void (*flush_data_cache_page)(unsigned long addr);
+ 
+-#define __HAVE_ARCH_COPY_USER_HIGHPAGE
++	copy_page(vto, vfrom);
++	if (!cpu_has_ic_fills_f_dc ||
++	    pages_do_alias((unsigned long)vto, vaddr & PAGE_MASK))
++		flush_data_cache_page((unsigned long)vto);
++}
+ 
+ /*
+  * These are used to make use of C type-checking..
+--- a/arch/mips/mm/init.c
++++ b/arch/mips/mm/init.c
+@@ -202,30 +202,6 @@ void kunmap_coherent(void)
+ 	preempt_check_resched();
+ }
+ 
+-void copy_user_highpage(struct page *to, struct page *from,
+-	unsigned long vaddr, struct vm_area_struct *vma)
+-{
+-	void *vfrom, *vto;
+-
+-	vto = kmap_atomic(to);
+-	if (cpu_has_dc_aliases && cpu_use_kmap_coherent &&
+-	    page_mapped(from) && !Page_dcache_dirty(from)) {
+-		vfrom = kmap_coherent(from, vaddr);
+-		copy_page(vto, vfrom);
+-		kunmap_coherent();
+-	} else {
+-		vfrom = kmap_atomic(from);
+-		copy_page(vto, vfrom);
+-		kunmap_atomic(vfrom);
+-	}
+-	if ((!cpu_has_ic_fills_f_dc) ||
+-	    pages_do_alias((unsigned long)vto, vaddr & PAGE_MASK))
+-		flush_data_cache_page((unsigned long)vto);
+-	kunmap_atomic(vto);
+-	/* Make sure this page is cleared on other CPU's too before using it */
+-	smp_wmb();
+-}
+-
+ void copy_to_user_page(struct vm_area_struct *vma,
+ 	struct page *page, unsigned long vaddr, void *dst, const void *src,
+ 	unsigned long len)
diff --git a/target/linux/brcm47xx/patches-3.6/400-arch-bcm47xx.patch b/target/linux/brcm47xx/patches-3.6/400-arch-bcm47xx.patch
new file mode 100644
index 0000000000..bdd2c040dc
--- /dev/null
+++ b/target/linux/brcm47xx/patches-3.6/400-arch-bcm47xx.patch
@@ -0,0 +1,33 @@
+--- a/arch/mips/bcm47xx/nvram.c
++++ b/arch/mips/bcm47xx/nvram.c
+@@ -183,3 +183,30 @@ int nvram_getenv(char *name, char *val,
+ 	return NVRAM_ERR_ENVNOTFOUND;
+ }
+ EXPORT_SYMBOL(nvram_getenv);
++
++char *nvram_get(const char *name)
++{
++	char *var, *value, *end, *eq;
++
++	if (!name)
++		return NULL;
++
++	if (!nvram_buf[0])
++		early_nvram_init();
++
++	/* Look for name=value and return value */
++	var = &nvram_buf[sizeof(struct nvram_header)];
++	end = nvram_buf + sizeof(nvram_buf) - 2;
++	end[0] = end[1] = '\0';
++	for (; *var; var = value + strlen(value) + 1) {
++		eq = strchr(var, '=');
++		if (!eq)
++			break;
++		value = eq + 1;
++		if ((eq - var) == strlen(name) && strncmp(var, name, (eq - var)) == 0)
++			return value;
++	}
++
++	return NULL;
++}
++EXPORT_SYMBOL(nvram_get);
diff --git a/target/linux/brcm47xx/patches-3.6/500-ssb-add-function-to-return-number-of-gpio-lines.patch b/target/linux/brcm47xx/patches-3.6/500-ssb-add-function-to-return-number-of-gpio-lines.patch
new file mode 100644
index 0000000000..f1b483e4a4
--- /dev/null
+++ b/target/linux/brcm47xx/patches-3.6/500-ssb-add-function-to-return-number-of-gpio-lines.patch
@@ -0,0 +1,40 @@
+--- a/drivers/ssb/embedded.c
++++ b/drivers/ssb/embedded.c
+@@ -136,6 +136,18 @@ u32 ssb_gpio_polarity(struct ssb_bus *bu
+ }
+ EXPORT_SYMBOL(ssb_gpio_polarity);
+ 
++int ssb_gpio_count(struct ssb_bus *bus)
++{
++	if (ssb_chipco_available(&bus->chipco))
++		return SSB_GPIO_CHIPCO_LINES;
++	else if (ssb_extif_available(&bus->extif))
++		return SSB_GPIO_EXTIF_LINES;
++	else
++		SSB_WARN_ON(1);
++	return 0;
++}
++EXPORT_SYMBOL(ssb_gpio_count);
++
+ #ifdef CONFIG_SSB_DRIVER_GIGE
+ static int gige_pci_init_callback(struct ssb_bus *bus, unsigned long data)
+ {
+--- a/include/linux/ssb/ssb_embedded.h
++++ b/include/linux/ssb/ssb_embedded.h
+@@ -7,6 +7,9 @@
+ 
+ extern int ssb_watchdog_timer_set(struct ssb_bus *bus, u32 ticks);
+ 
++#define SSB_GPIO_EXTIF_LINES	5
++#define SSB_GPIO_CHIPCO_LINES	16
++
+ /* Generic GPIO API */
+ u32 ssb_gpio_in(struct ssb_bus *bus, u32 mask);
+ u32 ssb_gpio_out(struct ssb_bus *bus, u32 mask, u32 value);
+@@ -14,5 +17,6 @@ u32 ssb_gpio_outen(struct ssb_bus *bus,
+ u32 ssb_gpio_control(struct ssb_bus *bus, u32 mask, u32 value);
+ u32 ssb_gpio_intmask(struct ssb_bus *bus, u32 mask, u32 value);
+ u32 ssb_gpio_polarity(struct ssb_bus *bus, u32 mask, u32 value);
++int ssb_gpio_count(struct ssb_bus *bus);
+ 
+ #endif /* LINUX_SSB_EMBEDDED_H_ */
diff --git a/target/linux/brcm47xx/patches-3.6/501-bcma-add-gpio-driver.patch b/target/linux/brcm47xx/patches-3.6/501-bcma-add-gpio-driver.patch
new file mode 100644
index 0000000000..b8f72a12c6
--- /dev/null
+++ b/target/linux/brcm47xx/patches-3.6/501-bcma-add-gpio-driver.patch
@@ -0,0 +1,140 @@
+--- a/drivers/bcma/driver_chipcommon.c
++++ b/drivers/bcma/driver_chipcommon.c
+@@ -70,6 +70,8 @@ void bcma_core_chipcommon_init(struct bc
+ 			 (leddc_off << BCMA_CC_GPIOTIMER_OFFTIME_SHIFT)));
+ 	}
+ 
++	spin_lock_init(&cc->gpio_lock);
++
+ 	cc->setup_done = true;
+ }
+ 
+@@ -92,34 +94,81 @@ u32 bcma_chipco_irq_status(struct bcma_d
+ 
+ u32 bcma_chipco_gpio_in(struct bcma_drv_cc *cc, u32 mask)
+ {
+-	return bcma_cc_read32(cc, BCMA_CC_GPIOIN) & mask;
++	unsigned long flags;
++	u32 res;
++
++	spin_lock_irqsave(&cc->gpio_lock, flags);
++	res = bcma_cc_read32(cc, BCMA_CC_GPIOIN) & mask;
++	spin_unlock_irqrestore(&cc->gpio_lock, flags);
++
++	return res;
+ }
++EXPORT_SYMBOL_GPL(bcma_chipco_gpio_in);
+ 
+ u32 bcma_chipco_gpio_out(struct bcma_drv_cc *cc, u32 mask, u32 value)
+ {
+-	return bcma_cc_write32_masked(cc, BCMA_CC_GPIOOUT, mask, value);
++	unsigned long flags;
++	u32 res;
++
++	spin_lock_irqsave(&cc->gpio_lock, flags);
++	res = bcma_cc_write32_masked(cc, BCMA_CC_GPIOOUT, mask, value);
++	spin_unlock_irqrestore(&cc->gpio_lock, flags);
++
++	return res;
+ }
++EXPORT_SYMBOL_GPL(bcma_chipco_gpio_out);
+ 
+ u32 bcma_chipco_gpio_outen(struct bcma_drv_cc *cc, u32 mask, u32 value)
+ {
+-	return bcma_cc_write32_masked(cc, BCMA_CC_GPIOOUTEN, mask, value);
++	unsigned long flags;
++	u32 res;
++
++	spin_lock_irqsave(&cc->gpio_lock, flags);
++	res = bcma_cc_write32_masked(cc, BCMA_CC_GPIOOUTEN, mask, value);
++	spin_unlock_irqrestore(&cc->gpio_lock, flags);
++
++	return res;
+ }
++EXPORT_SYMBOL_GPL(bcma_chipco_gpio_outen);
+ 
+ u32 bcma_chipco_gpio_control(struct bcma_drv_cc *cc, u32 mask, u32 value)
+ {
+-	return bcma_cc_write32_masked(cc, BCMA_CC_GPIOCTL, mask, value);
++	unsigned long flags;
++	u32 res;
++
++	spin_lock_irqsave(&cc->gpio_lock, flags);
++	res = bcma_cc_write32_masked(cc, BCMA_CC_GPIOCTL, mask, value);
++	spin_unlock_irqrestore(&cc->gpio_lock, flags);
++
++	return res;
+ }
+ EXPORT_SYMBOL_GPL(bcma_chipco_gpio_control);
+ 
+ u32 bcma_chipco_gpio_intmask(struct bcma_drv_cc *cc, u32 mask, u32 value)
+ {
+-	return bcma_cc_write32_masked(cc, BCMA_CC_GPIOIRQ, mask, value);
++	unsigned long flags;
++	u32 res;
++
++	spin_lock_irqsave(&cc->gpio_lock, flags);
++	res = bcma_cc_write32_masked(cc, BCMA_CC_GPIOIRQ, mask, value);
++	spin_unlock_irqrestore(&cc->gpio_lock, flags);
++
++	return res;
+ }
++EXPORT_SYMBOL_GPL(bcma_chipco_gpio_intmask);
+ 
+ u32 bcma_chipco_gpio_polarity(struct bcma_drv_cc *cc, u32 mask, u32 value)
+ {
+-	return bcma_cc_write32_masked(cc, BCMA_CC_GPIOPOL, mask, value);
++	unsigned long flags;
++	u32 res;
++
++	spin_lock_irqsave(&cc->gpio_lock, flags);
++	res = bcma_cc_write32_masked(cc, BCMA_CC_GPIOPOL, mask, value);
++	spin_unlock_irqrestore(&cc->gpio_lock, flags);
++
++	return res;
+ }
++EXPORT_SYMBOL_GPL(bcma_chipco_gpio_polarity);
+ 
+ #ifdef CONFIG_BCMA_DRIVER_MIPS
+ void bcma_chipco_serial_init(struct bcma_drv_cc *cc)
+--- a/include/linux/bcma/bcma_driver_chipcommon.h
++++ b/include/linux/bcma/bcma_driver_chipcommon.h
+@@ -551,6 +551,9 @@ struct bcma_drv_cc {
+ 	int nr_serial_ports;
+ 	struct bcma_serial_port serial_ports[4];
+ #endif /* CONFIG_BCMA_DRIVER_MIPS */
++
++	/* Lock for GPIO register access. */
++	spinlock_t gpio_lock;
+ };
+ 
+ /* Register access */
+@@ -581,13 +584,22 @@ void bcma_chipco_irq_mask(struct bcma_dr
+ 
+ u32 bcma_chipco_irq_status(struct bcma_drv_cc *cc, u32 mask);
+ 
++#define BCMA_CC_GPIO_LINES	16
++
+ /* Chipcommon GPIO pin access. */
+-u32 bcma_chipco_gpio_in(struct bcma_drv_cc *cc, u32 mask);
+-u32 bcma_chipco_gpio_out(struct bcma_drv_cc *cc, u32 mask, u32 value);
+-u32 bcma_chipco_gpio_outen(struct bcma_drv_cc *cc, u32 mask, u32 value);
+-u32 bcma_chipco_gpio_control(struct bcma_drv_cc *cc, u32 mask, u32 value);
+-u32 bcma_chipco_gpio_intmask(struct bcma_drv_cc *cc, u32 mask, u32 value);
+-u32 bcma_chipco_gpio_polarity(struct bcma_drv_cc *cc, u32 mask, u32 value);
++extern u32 bcma_chipco_gpio_in(struct bcma_drv_cc *cc, u32 mask);
++extern u32 bcma_chipco_gpio_out(struct bcma_drv_cc *cc, u32 mask, u32 value);
++extern u32 bcma_chipco_gpio_outen(struct bcma_drv_cc *cc, u32 mask, u32 value);
++extern u32 bcma_chipco_gpio_control(struct bcma_drv_cc *cc, u32 mask,
++				    u32 value);
++extern u32 bcma_chipco_gpio_intmask(struct bcma_drv_cc *cc, u32 mask,
++				    u32 value);
++extern u32 bcma_chipco_gpio_polarity(struct bcma_drv_cc *cc, u32 mask,
++				     u32 value);
++static inline int bcma_chipco_gpio_count(void)
++{
++	return BCMA_CC_GPIO_LINES;
++}
+ 
+ /* PMU support */
+ extern void bcma_pmu_init(struct bcma_drv_cc *cc);
diff --git a/target/linux/brcm47xx/patches-3.6/502-bcm47xx-rewrite-gpio-handling.patch b/target/linux/brcm47xx/patches-3.6/502-bcm47xx-rewrite-gpio-handling.patch
new file mode 100644
index 0000000000..cff3184d88
--- /dev/null
+++ b/target/linux/brcm47xx/patches-3.6/502-bcm47xx-rewrite-gpio-handling.patch
@@ -0,0 +1,493 @@
+--- a/arch/mips/Kconfig
++++ b/arch/mips/Kconfig
+@@ -101,6 +101,7 @@ config ATH79
+ 
+ config BCM47XX
+ 	bool "Broadcom BCM47XX based boards"
++	select ARCH_REQUIRE_GPIOLIB
+ 	select BOOT_RAW
+ 	select CEVT_R4K
+ 	select CSRC_R4K
+@@ -110,7 +111,6 @@ config BCM47XX
+ 	select NO_EXCEPT_FILL
+ 	select SYS_SUPPORTS_32BIT_KERNEL
+ 	select SYS_SUPPORTS_LITTLE_ENDIAN
+-	select GENERIC_GPIO
+ 	select CFE
+ 	help
+ 	 Support for BCM47XX based boards
+--- a/arch/mips/bcm47xx/gpio.c
++++ b/arch/mips/bcm47xx/gpio.c
+@@ -4,83 +4,154 @@
+  * for more details.
+  *
+  * Copyright (C) 2007 Aurelien Jarno <aurelien@aurel32.net>
++ * Copyright (C) 2012 Hauke Mehrtens <hauke@hauke-m.de>
++ *
++ * Parts of this file are based on Atheros AR71XX/AR724X/AR913X GPIO
+  */
+ 
+ #include <linux/export.h>
++#include <linux/gpio.h>
+ #include <linux/ssb/ssb.h>
+-#include <linux/ssb/ssb_driver_chipcommon.h>
+-#include <linux/ssb/ssb_driver_extif.h>
+-#include <asm/mach-bcm47xx/bcm47xx.h>
+-#include <asm/mach-bcm47xx/gpio.h>
++#include <linux/ssb/ssb_embedded.h>
++#include <linux/bcma/bcma.h>
++
++#include <bcm47xx.h>
+ 
+-#if (BCM47XX_CHIPCO_GPIO_LINES > BCM47XX_EXTIF_GPIO_LINES)
+-static DECLARE_BITMAP(gpio_in_use, BCM47XX_CHIPCO_GPIO_LINES);
+-#else
+-static DECLARE_BITMAP(gpio_in_use, BCM47XX_EXTIF_GPIO_LINES);
+-#endif
+ 
+-int gpio_request(unsigned gpio, const char *tag)
++static unsigned long bcm47xx_gpio_count;
++
++/* low level BCM47xx gpio api */
++u32 bcm47xx_gpio_in(u32 mask)
+ {
+ 	switch (bcm47xx_bus_type) {
+ #ifdef CONFIG_BCM47XX_SSB
+ 	case BCM47XX_BUS_TYPE_SSB:
+-		if (ssb_chipco_available(&bcm47xx_bus.ssb.chipco) &&
+-		    ((unsigned)gpio >= BCM47XX_CHIPCO_GPIO_LINES))
+-			return -EINVAL;
+-
+-		if (ssb_extif_available(&bcm47xx_bus.ssb.extif) &&
+-		    ((unsigned)gpio >= BCM47XX_EXTIF_GPIO_LINES))
+-			return -EINVAL;
+-
+-		if (test_and_set_bit(gpio, gpio_in_use))
+-			return -EBUSY;
+-
+-		return 0;
++		return ssb_gpio_in(&bcm47xx_bus.ssb, mask);
+ #endif
+ #ifdef CONFIG_BCM47XX_BCMA
+ 	case BCM47XX_BUS_TYPE_BCMA:
+-		if (gpio >= BCM47XX_CHIPCO_GPIO_LINES)
+-			return -EINVAL;
+-
+-		if (test_and_set_bit(gpio, gpio_in_use))
+-			return -EBUSY;
++		return bcma_chipco_gpio_in(&bcm47xx_bus.bcma.bus.drv_cc, mask);
++#endif
++	}
++	return -EINVAL;
++}
++EXPORT_SYMBOL(bcm47xx_gpio_in);
+ 
+-		return 0;
++u32 bcm47xx_gpio_out(u32 mask, u32 value)
++{
++	switch (bcm47xx_bus_type) {
++#ifdef CONFIG_BCM47XX_SSB
++	case BCM47XX_BUS_TYPE_SSB:
++		return ssb_gpio_out(&bcm47xx_bus.ssb, mask, value);
++#endif
++#ifdef CONFIG_BCM47XX_BCMA
++	case BCM47XX_BUS_TYPE_BCMA:
++		return bcma_chipco_gpio_out(&bcm47xx_bus.bcma.bus.drv_cc, mask,
++					    value);
+ #endif
+ 	}
+ 	return -EINVAL;
+ }
+-EXPORT_SYMBOL(gpio_request);
++EXPORT_SYMBOL(bcm47xx_gpio_out);
+ 
+-void gpio_free(unsigned gpio)
++u32 bcm47xx_gpio_outen(u32 mask, u32 value)
+ {
+ 	switch (bcm47xx_bus_type) {
+ #ifdef CONFIG_BCM47XX_SSB
+ 	case BCM47XX_BUS_TYPE_SSB:
+-		if (ssb_chipco_available(&bcm47xx_bus.ssb.chipco) &&
+-		    ((unsigned)gpio >= BCM47XX_CHIPCO_GPIO_LINES))
+-			return;
++		return ssb_gpio_outen(&bcm47xx_bus.ssb, mask, value);
++#endif
++#ifdef CONFIG_BCM47XX_BCMA
++	case BCM47XX_BUS_TYPE_BCMA:
++		return bcma_chipco_gpio_outen(&bcm47xx_bus.bcma.bus.drv_cc,
++					      mask, value);
++#endif
++	}
++	return -EINVAL;
++}
++EXPORT_SYMBOL(bcm47xx_gpio_outen);
+ 
+-		if (ssb_extif_available(&bcm47xx_bus.ssb.extif) &&
+-		    ((unsigned)gpio >= BCM47XX_EXTIF_GPIO_LINES))
+-			return;
++u32 bcm47xx_gpio_control(u32 mask, u32 value)
++{
++	switch (bcm47xx_bus_type) {
++#ifdef CONFIG_BCM47XX_SSB
++	case BCM47XX_BUS_TYPE_SSB:
++		return ssb_gpio_control(&bcm47xx_bus.ssb, mask, value);
++#endif
++#ifdef CONFIG_BCM47XX_BCMA
++	case BCM47XX_BUS_TYPE_BCMA:
++		return bcma_chipco_gpio_control(&bcm47xx_bus.bcma.bus.drv_cc,
++						mask, value);
++#endif
++	}
++	return -EINVAL;
++}
++EXPORT_SYMBOL(bcm47xx_gpio_control);
+ 
+-		clear_bit(gpio, gpio_in_use);
+-		return;
++u32 bcm47xx_gpio_intmask(u32 mask, u32 value)
++{
++	switch (bcm47xx_bus_type) {
++#ifdef CONFIG_BCM47XX_SSB
++	case BCM47XX_BUS_TYPE_SSB:
++		return ssb_gpio_intmask(&bcm47xx_bus.ssb, mask, value);
+ #endif
+ #ifdef CONFIG_BCM47XX_BCMA
+ 	case BCM47XX_BUS_TYPE_BCMA:
+-		if (gpio >= BCM47XX_CHIPCO_GPIO_LINES)
+-			return;
++		return bcma_chipco_gpio_intmask(&bcm47xx_bus.bcma.bus.drv_cc,
++						mask, value);
++#endif
++	}
++	return -EINVAL;
++}
++EXPORT_SYMBOL(bcm47xx_gpio_intmask);
+ 
+-		clear_bit(gpio, gpio_in_use);
+-		return;
++u32 bcm47xx_gpio_polarity(u32 mask, u32 value)
++{
++	switch (bcm47xx_bus_type) {
++#ifdef CONFIG_BCM47XX_SSB
++	case BCM47XX_BUS_TYPE_SSB:
++		return ssb_gpio_polarity(&bcm47xx_bus.ssb, mask, value);
++#endif
++#ifdef CONFIG_BCM47XX_BCMA
++	case BCM47XX_BUS_TYPE_BCMA:
++		return bcma_chipco_gpio_polarity(&bcm47xx_bus.bcma.bus.drv_cc,
++						 mask, value);
+ #endif
+ 	}
++	return -EINVAL;
++}
++EXPORT_SYMBOL(bcm47xx_gpio_polarity);
++
++
++static int bcm47xx_gpio_get_value(struct gpio_chip *chip, unsigned gpio)
++{
++	return bcm47xx_gpio_in(1 << gpio);
++}
++
++static void bcm47xx_gpio_set_value(struct gpio_chip *chip,
++				   unsigned gpio, int value)
++{
++	bcm47xx_gpio_out(1 << gpio, value ? 1 << gpio : 0);
++}
++
++static int bcm47xx_gpio_direction_input(struct gpio_chip *chip,
++					unsigned gpio)
++{
++	bcm47xx_gpio_outen(1 << gpio, 0);
++	return 0;
++}
++
++static int bcm47xx_gpio_direction_output(struct gpio_chip *chip,
++					 unsigned gpio, int value)
++{
++	/* first set the gpio out value */
++	bcm47xx_gpio_out(1 << gpio, value ? 1 << gpio : 0);
++	/* then set the gpio mode */
++	bcm47xx_gpio_outen(1 << gpio, 1 << gpio);
++	return 0;
+ }
+-EXPORT_SYMBOL(gpio_free);
+ 
+-int gpio_to_irq(unsigned gpio)
++static int bcm47xx_gpio_to_irq(struct gpio_chip *chip, unsigned gpio)
+ {
+ 	switch (bcm47xx_bus_type) {
+ #ifdef CONFIG_BCM47XX_SSB
+@@ -99,4 +170,55 @@ int gpio_to_irq(unsigned gpio)
+ 	}
+ 	return -EINVAL;
+ }
+-EXPORT_SYMBOL_GPL(gpio_to_irq);
++
++static struct gpio_chip bcm47xx_gpio_chip = {
++	.label			= "bcm47xx",
++	.get			= bcm47xx_gpio_get_value,
++	.set			= bcm47xx_gpio_set_value,
++	.direction_input	= bcm47xx_gpio_direction_input,
++	.direction_output	= bcm47xx_gpio_direction_output,
++	.to_irq			= bcm47xx_gpio_to_irq,
++	.base			= 0,
++};
++
++void __init bcm47xx_gpio_init(void)
++{
++	int err;
++
++	switch (bcm47xx_bus_type) {
++#ifdef CONFIG_BCM47XX_SSB
++	case BCM47XX_BUS_TYPE_SSB:
++		bcm47xx_gpio_count = ssb_gpio_count(&bcm47xx_bus.ssb);
++		break;
++#endif
++#ifdef CONFIG_BCM47XX_BCMA
++	case BCM47XX_BUS_TYPE_BCMA:
++		bcm47xx_gpio_count = bcma_chipco_gpio_count();
++		break;
++#endif
++	}
++
++	bcm47xx_gpio_chip.ngpio = bcm47xx_gpio_count;
++
++	err = gpiochip_add(&bcm47xx_gpio_chip);
++	if (err)
++		panic("cannot add BCM47xx GPIO chip, error=%d", err);
++}
++
++int gpio_get_value(unsigned gpio)
++{
++	if (gpio < bcm47xx_gpio_count)
++		return bcm47xx_gpio_in(1 << gpio);
++
++	return __gpio_get_value(gpio);
++}
++EXPORT_SYMBOL(gpio_get_value);
++
++void gpio_set_value(unsigned gpio, int value)
++{
++	if (gpio < bcm47xx_gpio_count)
++		bcm47xx_gpio_out(1 << gpio, value ? 1 << gpio : 0);
++	else
++		__gpio_set_value(gpio, value);
++}
++EXPORT_SYMBOL(gpio_set_value);
+--- a/arch/mips/bcm47xx/setup.c
++++ b/arch/mips/bcm47xx/setup.c
+@@ -252,6 +252,8 @@ void __init plat_mem_setup(void)
+ 	_machine_restart = bcm47xx_machine_restart;
+ 	_machine_halt = bcm47xx_machine_halt;
+ 	pm_power_off = bcm47xx_machine_halt;
++
++	bcm47xx_gpio_init();
+ }
+ 
+ static int __init bcm47xx_register_bus_complete(void)
+--- a/arch/mips/bcm47xx/wgt634u.c
++++ b/arch/mips/bcm47xx/wgt634u.c
+@@ -133,6 +133,7 @@ static int __init wgt634u_init(void)
+ 	 * been allocated ranges 00:09:5b:xx:xx:xx and 00:0f:b5:xx:xx:xx.
+ 	 */
+ 	u8 *et0mac;
++	int err;
+ 
+ 	if (bcm47xx_bus_type != BCM47XX_BUS_TYPE_SSB)
+ 		return -ENODEV;
+@@ -146,6 +147,12 @@ static int __init wgt634u_init(void)
+ 
+ 		printk(KERN_INFO "WGT634U machine detected.\n");
+ 
++		err = gpio_request(WGT634U_GPIO_RESET, "reset-buton");
++		if (err) {
++			printk(KERN_INFO "Can not register gpio for reset button\n");
++			return 0;
++		}
++
+ 		if (!request_irq(gpio_to_irq(WGT634U_GPIO_RESET),
+ 				 gpio_interrupt, IRQF_SHARED,
+ 				 "WGT634U GPIO", &bcm47xx_bus.ssb.chipco)) {
+--- a/arch/mips/include/asm/mach-bcm47xx/bcm47xx.h
++++ b/arch/mips/include/asm/mach-bcm47xx/bcm47xx.h
+@@ -56,4 +56,6 @@ void bcm47xx_fill_bcma_boardinfo(struct
+ 				 const char *prefix);
+ #endif
+ 
++void bcm47xx_gpio_init(void);
++
+ #endif /* __ASM_BCM47XX_H */
+--- a/arch/mips/include/asm/mach-bcm47xx/gpio.h
++++ b/arch/mips/include/asm/mach-bcm47xx/gpio.h
+@@ -4,152 +4,42 @@
+  * for more details.
+  *
+  * Copyright (C) 2007 Aurelien Jarno <aurelien@aurel32.net>
++ * Copyright (C) 2012 Hauke Mehrtens <hauke@hauke-m.de>
+  */
+ 
+ #ifndef __BCM47XX_GPIO_H
+ #define __BCM47XX_GPIO_H
+ 
+-#include <linux/ssb/ssb_embedded.h>
+-#include <linux/bcma/bcma.h>
+-#include <asm/mach-bcm47xx/bcm47xx.h>
+-
+-#define BCM47XX_EXTIF_GPIO_LINES	5
+-#define BCM47XX_CHIPCO_GPIO_LINES	16
+-
+-extern int gpio_request(unsigned gpio, const char *label);
+-extern void gpio_free(unsigned gpio);
+-extern int gpio_to_irq(unsigned gpio);
+-
+-static inline int gpio_get_value(unsigned gpio)
+-{
+-	switch (bcm47xx_bus_type) {
+-#ifdef CONFIG_BCM47XX_SSB
+-	case BCM47XX_BUS_TYPE_SSB:
+-		return ssb_gpio_in(&bcm47xx_bus.ssb, 1 << gpio);
+-#endif
+-#ifdef CONFIG_BCM47XX_BCMA
+-	case BCM47XX_BUS_TYPE_BCMA:
+-		return bcma_chipco_gpio_in(&bcm47xx_bus.bcma.bus.drv_cc,
+-					   1 << gpio);
+-#endif
+-	}
+-	return -EINVAL;
+-}
+-
+-#define gpio_get_value_cansleep	gpio_get_value
+-
+-static inline void gpio_set_value(unsigned gpio, int value)
+-{
+-	switch (bcm47xx_bus_type) {
+-#ifdef CONFIG_BCM47XX_SSB
+-	case BCM47XX_BUS_TYPE_SSB:
+-		ssb_gpio_out(&bcm47xx_bus.ssb, 1 << gpio,
+-			     value ? 1 << gpio : 0);
+-		return;
+-#endif
+-#ifdef CONFIG_BCM47XX_BCMA
+-	case BCM47XX_BUS_TYPE_BCMA:
+-		bcma_chipco_gpio_out(&bcm47xx_bus.bcma.bus.drv_cc, 1 << gpio,
+-				     value ? 1 << gpio : 0);
+-		return;
+-#endif
+-	}
+-}
+-
+-#define gpio_set_value_cansleep gpio_set_value
+-
+-static inline int gpio_cansleep(unsigned gpio)
+-{
+-	return 0;
+-}
+-
+-static inline int gpio_is_valid(unsigned gpio)
+-{
+-	return gpio < (BCM47XX_EXTIF_GPIO_LINES + BCM47XX_CHIPCO_GPIO_LINES);
+-}
++#define ARCH_NR_GPIOS	64
++#include <asm-generic/gpio.h>
+ 
++/* low level BCM47xx gpio api */
++u32 bcm47xx_gpio_in(u32 mask);
++u32 bcm47xx_gpio_out(u32 mask, u32 value);
++u32 bcm47xx_gpio_outen(u32 mask, u32 value);
++u32 bcm47xx_gpio_control(u32 mask, u32 value);
++u32 bcm47xx_gpio_intmask(u32 mask, u32 value);
++u32 bcm47xx_gpio_polarity(u32 mask, u32 value);
+ 
+-static inline int gpio_direction_input(unsigned gpio)
+-{
+-	switch (bcm47xx_bus_type) {
+-#ifdef CONFIG_BCM47XX_SSB
+-	case BCM47XX_BUS_TYPE_SSB:
+-		ssb_gpio_outen(&bcm47xx_bus.ssb, 1 << gpio, 0);
+-		return 0;
+-#endif
+-#ifdef CONFIG_BCM47XX_BCMA
+-	case BCM47XX_BUS_TYPE_BCMA:
+-		bcma_chipco_gpio_outen(&bcm47xx_bus.bcma.bus.drv_cc, 1 << gpio,
+-				       0);
+-		return 0;
+-#endif
+-	}
+-	return -EINVAL;
+-}
++int gpio_get_value(unsigned gpio);
++void gpio_set_value(unsigned gpio, int value);
+ 
+-static inline int gpio_direction_output(unsigned gpio, int value)
++static inline void gpio_intmask(unsigned gpio, int value)
+ {
+-	switch (bcm47xx_bus_type) {
+-#ifdef CONFIG_BCM47XX_SSB
+-	case BCM47XX_BUS_TYPE_SSB:
+-		/* first set the gpio out value */
+-		ssb_gpio_out(&bcm47xx_bus.ssb, 1 << gpio,
+-			     value ? 1 << gpio : 0);
+-		/* then set the gpio mode */
+-		ssb_gpio_outen(&bcm47xx_bus.ssb, 1 << gpio, 1 << gpio);
+-		return 0;
+-#endif
+-#ifdef CONFIG_BCM47XX_BCMA
+-	case BCM47XX_BUS_TYPE_BCMA:
+-		/* first set the gpio out value */
+-		bcma_chipco_gpio_out(&bcm47xx_bus.bcma.bus.drv_cc, 1 << gpio,
+-				     value ? 1 << gpio : 0);
+-		/* then set the gpio mode */
+-		bcma_chipco_gpio_outen(&bcm47xx_bus.bcma.bus.drv_cc, 1 << gpio,
+-				       1 << gpio);
+-		return 0;
+-#endif
+-	}
+-	return -EINVAL;
++	bcm47xx_gpio_intmask(1 << gpio, value ? 1 << gpio : 0);
+ }
+ 
+-static inline int gpio_intmask(unsigned gpio, int value)
++static inline void gpio_polarity(unsigned gpio, int value)
+ {
+-	switch (bcm47xx_bus_type) {
+-#ifdef CONFIG_BCM47XX_SSB
+-	case BCM47XX_BUS_TYPE_SSB:
+-		ssb_gpio_intmask(&bcm47xx_bus.ssb, 1 << gpio,
+-				 value ? 1 << gpio : 0);
+-		return 0;
+-#endif
+-#ifdef CONFIG_BCM47XX_BCMA
+-	case BCM47XX_BUS_TYPE_BCMA:
+-		bcma_chipco_gpio_intmask(&bcm47xx_bus.bcma.bus.drv_cc,
+-					 1 << gpio, value ? 1 << gpio : 0);
+-		return 0;
+-#endif
+-	}
+-	return -EINVAL;
++	bcm47xx_gpio_polarity(1 << gpio, value ? 1 << gpio : 0);
+ }
+ 
+-static inline int gpio_polarity(unsigned gpio, int value)
++static inline int irq_to_gpio(int gpio)
+ {
+-	switch (bcm47xx_bus_type) {
+-#ifdef CONFIG_BCM47XX_SSB
+-	case BCM47XX_BUS_TYPE_SSB:
+-		ssb_gpio_polarity(&bcm47xx_bus.ssb, 1 << gpio,
+-				  value ? 1 << gpio : 0);
+-		return 0;
+-#endif
+-#ifdef CONFIG_BCM47XX_BCMA
+-	case BCM47XX_BUS_TYPE_BCMA:
+-		bcma_chipco_gpio_polarity(&bcm47xx_bus.bcma.bus.drv_cc,
+-					  1 << gpio, value ? 1 << gpio : 0);
+-		return 0;
+-#endif
+-	}
+ 	return -EINVAL;
+ }
+ 
++#define gpio_cansleep	__gpio_cansleep
++#define gpio_to_irq __gpio_to_irq
+ 
+ #endif /* __BCM47XX_GPIO_H */
diff --git a/target/linux/brcm47xx/patches-3.6/610-pci_ide_fix.patch b/target/linux/brcm47xx/patches-3.6/610-pci_ide_fix.patch
new file mode 100644
index 0000000000..f254b203bd
--- /dev/null
+++ b/target/linux/brcm47xx/patches-3.6/610-pci_ide_fix.patch
@@ -0,0 +1,14 @@
+--- a/include/linux/ide.h
++++ b/include/linux/ide.h
+@@ -195,7 +195,11 @@ static inline void ide_std_init_ports(st
+ 	hw->io_ports.ctl_addr = ctl_addr;
+ }
+ 
++#if defined CONFIG_BCM47XX
++# define MAX_HWIFS	2
++#else
+ #define MAX_HWIFS	10
++#endif
+ 
+ /*
+  * Now for the data we need to maintain per-drive:  ide_drive_t
diff --git a/target/linux/brcm47xx/patches-3.6/700-ssb-gigabit-ethernet-driver.patch b/target/linux/brcm47xx/patches-3.6/700-ssb-gigabit-ethernet-driver.patch
new file mode 100644
index 0000000000..211fc28e15
--- /dev/null
+++ b/target/linux/brcm47xx/patches-3.6/700-ssb-gigabit-ethernet-driver.patch
@@ -0,0 +1,438 @@
+--- a/drivers/net/ethernet/broadcom/tg3.c
++++ b/drivers/net/ethernet/broadcom/tg3.c
+@@ -44,6 +44,7 @@
+ #include <linux/prefetch.h>
+ #include <linux/dma-mapping.h>
+ #include <linux/firmware.h>
++#include <linux/ssb/ssb_driver_gige.h>
+ #if IS_ENABLED(CONFIG_HWMON)
+ #include <linux/hwmon.h>
+ #include <linux/hwmon-sysfs.h>
+@@ -253,6 +254,7 @@ static DEFINE_PCI_DEVICE_TABLE(tg3_pci_t
+ 	{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705F)},
+ 	{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5721)},
+ 	{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5722)},
++	{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5750)},
+ 	{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751)},
+ 	{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751M)},
+ 	{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751F)},
+@@ -535,7 +537,9 @@ static void _tw32_flush(struct tg3 *tp,
+ static inline void tw32_mailbox_flush(struct tg3 *tp, u32 off, u32 val)
+ {
+ 	tp->write32_mbox(tp, off, val);
+-	if (!tg3_flag(tp, MBOX_WRITE_REORDER) && !tg3_flag(tp, ICH_WORKAROUND))
++	if (tg3_flag(tp, FLUSH_POSTED_WRITES) ||
++	    (!tg3_flag(tp, MBOX_WRITE_REORDER) &&
++	     !tg3_flag(tp, ICH_WORKAROUND)))
+ 		tp->read32_mbox(tp, off);
+ }
+ 
+@@ -545,7 +549,8 @@ static void tg3_write32_tx_mbox(struct t
+ 	writel(val, mbox);
+ 	if (tg3_flag(tp, TXD_MBOX_HWBUG))
+ 		writel(val, mbox);
+-	if (tg3_flag(tp, MBOX_WRITE_REORDER))
++	if (tg3_flag(tp, MBOX_WRITE_REORDER) ||
++	    tg3_flag(tp, FLUSH_POSTED_WRITES))
+ 		readl(mbox);
+ }
+ 
+@@ -1052,7 +1057,8 @@ static void tg3_switch_clocks(struct tg3
+ 
+ #define PHY_BUSY_LOOPS	5000
+ 
+-static int tg3_readphy(struct tg3 *tp, int reg, u32 *val)
++static int __tg3_readphy(struct tg3 *tp, unsigned int phy_addr, int reg,
++			 u32 *val)
+ {
+ 	u32 frame_val;
+ 	unsigned int loops;
+@@ -1068,7 +1074,7 @@ static int tg3_readphy(struct tg3 *tp, i
+ 
+ 	*val = 0x0;
+ 
+-	frame_val  = ((tp->phy_addr << MI_COM_PHY_ADDR_SHIFT) &
++	frame_val  = ((phy_addr << MI_COM_PHY_ADDR_SHIFT) &
+ 		      MI_COM_PHY_ADDR_MASK);
+ 	frame_val |= ((reg << MI_COM_REG_ADDR_SHIFT) &
+ 		      MI_COM_REG_ADDR_MASK);
+@@ -1105,7 +1111,13 @@ static int tg3_readphy(struct tg3 *tp, i
+ 	return ret;
+ }
+ 
+-static int tg3_writephy(struct tg3 *tp, int reg, u32 val)
++static int tg3_readphy(struct tg3 *tp, int reg, u32 *val)
++{
++	return __tg3_readphy(tp, tp->phy_addr, reg, val);
++}
++
++static int __tg3_writephy(struct tg3 *tp, unsigned int phy_addr, int reg,
++			  u32 val)
+ {
+ 	u32 frame_val;
+ 	unsigned int loops;
+@@ -1123,7 +1135,7 @@ static int tg3_writephy(struct tg3 *tp,
+ 
+ 	tg3_ape_lock(tp, tp->phy_ape_lock);
+ 
+-	frame_val  = ((tp->phy_addr << MI_COM_PHY_ADDR_SHIFT) &
++	frame_val  = ((phy_addr << MI_COM_PHY_ADDR_SHIFT) &
+ 		      MI_COM_PHY_ADDR_MASK);
+ 	frame_val |= ((reg << MI_COM_REG_ADDR_SHIFT) &
+ 		      MI_COM_REG_ADDR_MASK);
+@@ -1158,6 +1170,11 @@ static int tg3_writephy(struct tg3 *tp,
+ 	return ret;
+ }
+ 
++static int tg3_writephy(struct tg3 *tp, int reg, u32 val)
++{
++	return __tg3_writephy(tp, tp->phy_addr, reg, val);
++}
++
+ static int tg3_phy_cl45_write(struct tg3 *tp, u32 devad, u32 addr, u32 val)
+ {
+ 	int err;
+@@ -1730,6 +1747,11 @@ static int tg3_poll_fw(struct tg3 *tp)
+ 	int i;
+ 	u32 val;
+ 
++	if (tg3_flag(tp, IS_SSB_CORE)) {
++		/* We don't use firmware. */
++		return 0;
++	}
++
+ 	if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
+ 		/* Wait up to 20ms for init done. */
+ 		for (i = 0; i < 200; i++) {
+@@ -3312,6 +3334,8 @@ static int tg3_nvram_write_block(struct
+ {
+ 	int ret;
+ 
++	if (tg3_flag(tp, IS_SSB_CORE))
++		return -ENODEV;
+ 	if (tg3_flag(tp, EEPROM_WRITE_PROT)) {
+ 		tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl &
+ 		       ~GRC_LCLCTRL_GPIO_OUTPUT1);
+@@ -3387,6 +3411,11 @@ static int tg3_halt_cpu(struct tg3 *tp,
+ 		tw32_f(offset + CPU_MODE,  CPU_MODE_HALT);
+ 		udelay(10);
+ 	} else {
++		/* There is only an Rx CPU for the 5750 derivative in the
++		 * BCM4785. */
++		if (tg3_flag(tp, IS_SSB_CORE))
++			return 0;
++
+ 		for (i = 0; i < 10000; i++) {
+ 			tw32(offset + CPU_STATE, 0xffffffff);
+ 			tw32(offset + CPU_MODE,  CPU_MODE_HALT);
+@@ -3401,9 +3430,12 @@ static int tg3_halt_cpu(struct tg3 *tp,
+ 		return -ENODEV;
+ 	}
+ 
+-	/* Clear firmware's nvram arbitration. */
+-	if (tg3_flag(tp, NVRAM))
+-		tw32(NVRAM_SWARB, SWARB_REQ_CLR0);
++	if (!tg3_flag(tp, IS_SSB_CORE)) {
++		/* Clear firmware's nvram arbitration. */
++		if (tg3_flag(tp, NVRAM))
++			tw32(NVRAM_SWARB, SWARB_REQ_CLR0);
++	}
++
+ 	return 0;
+ }
+ 
+@@ -3466,6 +3498,11 @@ static int tg3_load_5701_a0_firmware_fix
+ 	const __be32 *fw_data;
+ 	int err, i;
+ 
++	if (tg3_flag(tp, IS_SSB_CORE)) {
++		/* We don't use firmware. */
++		return 0;
++	}
++
+ 	fw_data = (void *)tp->fw->data;
+ 
+ 	/* Firmware blob starts with version numbers, followed by
+@@ -3522,6 +3559,11 @@ static int tg3_load_tso_firmware(struct
+ 	unsigned long cpu_base, cpu_scratch_base, cpu_scratch_size;
+ 	int err, i;
+ 
++	if (tg3_flag(tp, IS_SSB_CORE)) {
++		/* We don't use firmware. */
++		return 0;
++	}
++
+ 	if (tg3_flag(tp, HW_TSO_1) ||
+ 	    tg3_flag(tp, HW_TSO_2) ||
+ 	    tg3_flag(tp, HW_TSO_3))
+@@ -3862,8 +3904,9 @@ static int tg3_power_down_prepare(struct
+ 	tg3_frob_aux_power(tp, true);
+ 
+ 	/* Workaround for unstable PLL clock */
+-	if ((GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_AX) ||
+-	    (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_BX)) {
++	if ((!tg3_flag(tp, IS_SSB_CORE)) &&
++	    ((GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_AX) ||
++	     (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_BX))) {
+ 		u32 val = tr32(0x7d00);
+ 
+ 		val &= ~((1 << 16) | (1 << 4) | (1 << 2) | (1 << 1) | 1);
+@@ -4365,6 +4408,14 @@ relink:
+ 	if (current_link_up == 0 || (tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER)) {
+ 		tg3_phy_copper_begin(tp);
+ 
++		if (tg3_flag(tp, ROBOSWITCH)) {
++			current_link_up = 1;
++			current_speed = SPEED_1000; /* FIXME */
++			current_duplex = DUPLEX_FULL;
++			tp->link_config.active_speed = current_speed;
++			tp->link_config.active_duplex = current_duplex;
++		}
++
+ 		tg3_readphy(tp, MII_BMSR, &bmsr);
+ 		if ((!tg3_readphy(tp, MII_BMSR, &bmsr) && (bmsr & BMSR_LSTATUS)) ||
+ 		    (tp->mac_mode & MAC_MODE_PORT_INT_LPBACK))
+@@ -4383,6 +4434,26 @@ relink:
+ 	else
+ 		tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
+ 
++	/* In order for the 5750 core in BCM4785 chip to work properly
++	 * in RGMII mode, the Led Control Register must be set up.
++	 */
++	if (tg3_flag(tp, RGMII_MODE)) {
++		u32 led_ctrl = tr32(MAC_LED_CTRL);
++		led_ctrl &= ~(LED_CTRL_1000MBPS_ON | LED_CTRL_100MBPS_ON);
++
++		if (tp->link_config.active_speed == SPEED_10)
++			led_ctrl |= LED_CTRL_LNKLED_OVERRIDE;
++		else if (tp->link_config.active_speed == SPEED_100)
++			led_ctrl |= (LED_CTRL_LNKLED_OVERRIDE |
++				     LED_CTRL_100MBPS_ON);
++		else if (tp->link_config.active_speed == SPEED_1000)
++			led_ctrl |= (LED_CTRL_LNKLED_OVERRIDE |
++				     LED_CTRL_1000MBPS_ON);
++
++		tw32(MAC_LED_CTRL, led_ctrl);
++		udelay(40);
++	}
++
+ 	tp->mac_mode &= ~MAC_MODE_HALF_DUPLEX;
+ 	if (tp->link_config.active_duplex == DUPLEX_HALF)
+ 		tp->mac_mode |= MAC_MODE_HALF_DUPLEX;
+@@ -8110,6 +8181,14 @@ static int tg3_chip_reset(struct tg3 *tp
+ 		tw32(0x5000, 0x400);
+ 	}
+ 
++	if (tg3_flag(tp, IS_SSB_CORE)) {
++		/* BCM4785: In order to avoid repercussions from using
++		 * potentially defective internal ROM, stop the Rx RISC CPU,
++		 * which is not required. */
++		tg3_stop_fw(tp);
++		tg3_halt_cpu(tp, RX_CPU_BASE);
++	}
++
+ 	tw32(GRC_MODE, tp->grc_mode);
+ 
+ 	if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A0) {
+@@ -9729,6 +9808,11 @@ static void tg3_timer(unsigned long __op
+ 	    tg3_flag(tp, 57765_CLASS))
+ 		tg3_chk_missed_msi(tp);
+ 
++	if (tg3_flag(tp, FLUSH_POSTED_WRITES)) {
++		/* BCM4785: Flush posted writes from GbE to host memory. */
++		tr32(HOSTCC_MODE);
++	}
++
+ 	if (!tg3_flag(tp, TAGGED_STATUS)) {
+ 		/* All of this garbage is because when using non-tagged
+ 		 * IRQ status the mailbox/status_block protocol the chip
+@@ -11424,6 +11508,11 @@ static int tg3_test_nvram(struct tg3 *tp
+ 	if (tg3_flag(tp, NO_NVRAM))
+ 		return 0;
+ 
++	if (tg3_flag(tp, IS_SSB_CORE)) {
++		/* We don't have NVRAM. */
++		return 0;
++	}
++
+ 	if (tg3_nvram_read(tp, 0, &magic) != 0)
+ 		return -EIO;
+ 
+@@ -12392,11 +12481,12 @@ static int tg3_ioctl(struct net_device *
+ 		if (tp->phy_flags & TG3_PHYFLG_PHY_SERDES)
+ 			break;			/* We have no PHY */
+ 
+-		if (!netif_running(dev))
++		if (tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER)
+ 			return -EAGAIN;
+ 
+ 		spin_lock_bh(&tp->lock);
+-		err = tg3_readphy(tp, data->reg_num & 0x1f, &mii_regval);
++		err = __tg3_readphy(tp, data->phy_id & 0x1f,
++				    data->reg_num & 0x1f, &mii_regval);
+ 		spin_unlock_bh(&tp->lock);
+ 
+ 		data->val_out = mii_regval;
+@@ -12408,11 +12498,12 @@ static int tg3_ioctl(struct net_device *
+ 		if (tp->phy_flags & TG3_PHYFLG_PHY_SERDES)
+ 			break;			/* We have no PHY */
+ 
+-		if (!netif_running(dev))
++		if (tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER)
+ 			return -EAGAIN;
+ 
+ 		spin_lock_bh(&tp->lock);
+-		err = tg3_writephy(tp, data->reg_num & 0x1f, data->val_in);
++		err = __tg3_writephy(tp, data->phy_id & 0x1f,
++				     data->reg_num & 0x1f, data->val_in);
+ 		spin_unlock_bh(&tp->lock);
+ 
+ 		return err;
+@@ -13260,6 +13351,13 @@ static void __devinit tg3_get_5720_nvram
+ /* Chips other than 5700/5701 use the NVRAM for fetching info. */
+ static void __devinit tg3_nvram_init(struct tg3 *tp)
+ {
++	if (tg3_flag(tp, IS_SSB_CORE)) {
++		/* No NVRAM and EEPROM on the SSB Broadcom GigE core. */
++		tg3_flag_clear(tp, NVRAM);
++		tg3_flag_clear(tp, NVRAM_BUFFERED);
++		return;
++	}
++
+ 	tw32_f(GRC_EEPROM_ADDR,
+ 	     (EEPROM_ADDR_FSM_RESET |
+ 	      (EEPROM_DEFAULT_CLOCK_PERIOD <<
+@@ -13752,10 +13850,19 @@ static int __devinit tg3_phy_probe(struc
+ 			 * subsys device table.
+ 			 */
+ 			p = tg3_lookup_by_subsys(tp);
+-			if (!p)
++			if (p) {
++				tp->phy_id = p->phy_id;
++			} else if (!tg3_flag(tp, IS_SSB_CORE)) {
++				/* For now we saw the IDs 0xbc050cd0,
++				 * 0xbc050f80 and 0xbc050c30 on devices
++				 * connected to an BCM4785 and there are
++				 * probably more. Just assume that the phy is
++				 * supported when it is connected to a SSB core
++				 * for now.
++				 */
+ 				return -ENODEV;
++			}
+ 
+-			tp->phy_id = p->phy_id;
+ 			if (!tp->phy_id ||
+ 			    tp->phy_id == TG3_PHY_ID_BCM8002)
+ 				tp->phy_flags |= TG3_PHYFLG_PHY_SERDES;
+@@ -14765,6 +14872,11 @@ static int __devinit tg3_get_invariants(
+ 		}
+ 	}
+ 
++	if (tg3_flag(tp, FLUSH_POSTED_WRITES)) {
++		tp->write32_tx_mbox = tg3_write_flush_reg32;
++		tp->write32_rx_mbox = tg3_write_flush_reg32;
++	}
++
+ 	/* Get eeprom hw config before calling tg3_set_power_state().
+ 	 * In particular, the TG3_FLAG_IS_NIC flag must be
+ 	 * determined before calling tg3_set_power_state() so that
+@@ -15174,6 +15286,10 @@ static int __devinit tg3_get_device_addr
+ 	}
+ 
+ 	if (!is_valid_ether_addr(&dev->dev_addr[0])) {
++		if (tg3_flag(tp, IS_SSB_CORE))
++			ssb_gige_get_macaddr(tp->pdev, &dev->dev_addr[0]);
++	}
++	if (!is_valid_ether_addr(&dev->dev_addr[0])) {
+ #ifdef CONFIG_SPARC
+ 		if (!tg3_get_default_macaddr_sparc(tp))
+ 			return 0;
+@@ -15458,7 +15574,8 @@ static int __devinit tg3_test_dma(struct
+ 			if (tg3_flag(tp, 40BIT_DMA_BUG) &&
+ 			    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
+ 				tp->dma_rwctrl |= 0x8000;
+-			else if (ccval == 0x6 || ccval == 0x7)
++			else if ((ccval == 0x6 || ccval == 0x7) ||
++				 tg3_flag(tp, ONE_DMA_AT_ONCE))
+ 				tp->dma_rwctrl |= DMA_RWCTRL_ONE_DMA;
+ 
+ 			if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703)
+@@ -15820,6 +15937,17 @@ static int __devinit tg3_init_one(struct
+ 		tp->msg_enable = tg3_debug;
+ 	else
+ 		tp->msg_enable = TG3_DEF_MSG_ENABLE;
++	if (pdev_is_ssb_gige_core(pdev)) {
++		tg3_flag_set(tp, IS_SSB_CORE);
++		if (ssb_gige_must_flush_posted_writes(pdev))
++			tg3_flag_set(tp, FLUSH_POSTED_WRITES);
++		if (ssb_gige_one_dma_at_once(pdev))
++			tg3_flag_set(tp, ONE_DMA_AT_ONCE);
++		if (ssb_gige_have_roboswitch(pdev))
++			tg3_flag_set(tp, ROBOSWITCH);
++		if (ssb_gige_is_rgmii(pdev))
++			tg3_flag_set(tp, RGMII_MODE);
++	}
+ 
+ 	/* The word/byte swap controls here control register access byte
+ 	 * swapping.  DMA data byte swapping is controlled in the GRC_MODE
+--- a/drivers/net/ethernet/broadcom/tg3.h
++++ b/drivers/net/ethernet/broadcom/tg3.h
+@@ -2973,6 +2973,11 @@ enum TG3_FLAGS {
+ 	TG3_FLAG_57765_PLUS,
+ 	TG3_FLAG_57765_CLASS,
+ 	TG3_FLAG_5717_PLUS,
++	TG3_FLAG_IS_SSB_CORE,
++	TG3_FLAG_FLUSH_POSTED_WRITES,
++	TG3_FLAG_ROBOSWITCH,
++	TG3_FLAG_ONE_DMA_AT_ONCE,
++	TG3_FLAG_RGMII_MODE,
+ 
+ 	/* Add new flags before this comment and TG3_FLAG_NUMBER_OF_FLAGS */
+ 	TG3_FLAG_NUMBER_OF_FLAGS,	/* Last entry in enum TG3_FLAGS */
+--- a/include/linux/pci_ids.h
++++ b/include/linux/pci_ids.h
+@@ -2121,6 +2121,7 @@
+ #define PCI_DEVICE_ID_TIGON3_5754M	0x1672
+ #define PCI_DEVICE_ID_TIGON3_5755M	0x1673
+ #define PCI_DEVICE_ID_TIGON3_5756	0x1674
++#define PCI_DEVICE_ID_TIGON3_5750	0x1676
+ #define PCI_DEVICE_ID_TIGON3_5751	0x1677
+ #define PCI_DEVICE_ID_TIGON3_5715	0x1678
+ #define PCI_DEVICE_ID_TIGON3_5715S	0x1679
+--- a/include/linux/ssb/ssb_driver_gige.h
++++ b/include/linux/ssb/ssb_driver_gige.h
+@@ -97,21 +97,12 @@ static inline bool ssb_gige_must_flush_p
+ 	return 0;
+ }
+ 
+-#ifdef CONFIG_BCM47XX
+-#include <asm/mach-bcm47xx/nvram.h>
+-/* Get the device MAC address */
+-static inline void ssb_gige_get_macaddr(struct pci_dev *pdev, u8 *macaddr)
+-{
+-	char buf[20];
+-	if (nvram_getenv("et0macaddr", buf, sizeof(buf)) < 0)
+-		return;
+-	nvram_parse_macaddr(buf, macaddr);
+-}
+-#else
+ static inline void ssb_gige_get_macaddr(struct pci_dev *pdev, u8 *macaddr)
+ {
++	struct ssb_gige *dev = pdev_to_ssb_gige(pdev);
++
++	memcpy(macaddr, dev->dev->bus->sprom.et0mac, 6);
+ }
+-#endif
+ 
+ extern int ssb_gige_pcibios_plat_dev_init(struct ssb_device *sdev,
+ 					  struct pci_dev *pdev);
+@@ -175,6 +166,9 @@ static inline bool ssb_gige_must_flush_p
+ {
+ 	return 0;
+ }
++static inline void ssb_gige_get_macaddr(struct pci_dev *pdev, u8 *macaddr)
++{
++}
+ 
+ #endif /* CONFIG_SSB_DRIVER_GIGE */
+ #endif /* LINUX_SSB_DRIVER_GIGE_H_ */
diff --git a/target/linux/brcm47xx/patches-3.6/812-disable_wgt634u_crap.patch b/target/linux/brcm47xx/patches-3.6/812-disable_wgt634u_crap.patch
new file mode 100644
index 0000000000..2819ca1739
--- /dev/null
+++ b/target/linux/brcm47xx/patches-3.6/812-disable_wgt634u_crap.patch
@@ -0,0 +1,187 @@
+--- a/arch/mips/bcm47xx/Makefile
++++ b/arch/mips/bcm47xx/Makefile
+@@ -4,4 +4,3 @@
+ #
+ 
+ obj-y 				+= gpio.o irq.o nvram.o prom.o serial.o setup.o time.o sprom.o
+-obj-$(CONFIG_BCM47XX_SSB)	+= wgt634u.o
+--- a/arch/mips/bcm47xx/wgt634u.c
++++ /dev/null
+@@ -1,177 +0,0 @@
+-/*
+- * This file is subject to the terms and conditions of the GNU General Public
+- * License.  See the file "COPYING" in the main directory of this archive
+- * for more details.
+- *
+- * Copyright (C) 2007 Aurelien Jarno <aurelien@aurel32.net>
+- */
+-
+-#include <linux/platform_device.h>
+-#include <linux/module.h>
+-#include <linux/leds.h>
+-#include <linux/mtd/physmap.h>
+-#include <linux/ssb/ssb.h>
+-#include <linux/interrupt.h>
+-#include <linux/reboot.h>
+-#include <linux/gpio.h>
+-#include <asm/mach-bcm47xx/bcm47xx.h>
+-
+-/* GPIO definitions for the WGT634U */
+-#define WGT634U_GPIO_LED	3
+-#define WGT634U_GPIO_RESET	2
+-#define WGT634U_GPIO_TP1	7
+-#define WGT634U_GPIO_TP2	6
+-#define WGT634U_GPIO_TP3	5
+-#define WGT634U_GPIO_TP4	4
+-#define WGT634U_GPIO_TP5	1
+-
+-static struct gpio_led wgt634u_leds[] = {
+-	{
+-		.name = "power",
+-		.gpio = WGT634U_GPIO_LED,
+-		.active_low = 1,
+-		.default_trigger = "heartbeat",
+-	},
+-};
+-
+-static struct gpio_led_platform_data wgt634u_led_data = {
+-	.num_leds =     ARRAY_SIZE(wgt634u_leds),
+-	.leds =         wgt634u_leds,
+-};
+-
+-static struct platform_device wgt634u_gpio_leds = {
+-	.name =         "leds-gpio",
+-	.id =           -1,
+-	.dev = {
+-		.platform_data = &wgt634u_led_data,
+-	}
+-};
+-
+-
+-/* 8MiB flash. The struct mtd_partition matches original Netgear WGT634U
+-   firmware. */
+-static struct mtd_partition wgt634u_partitions[] = {
+-	{
+-		.name       = "cfe",
+-		.offset     = 0,
+-		.size       = 0x60000,		/* 384k */
+-		.mask_flags = MTD_WRITEABLE 	/* force read-only */
+-	},
+-	{
+-		.name   = "config",
+-		.offset = 0x60000,
+-		.size   = 0x20000		/* 128k */
+-	},
+-	{
+-		.name   = "linux",
+-		.offset = 0x80000,
+-		.size   = 0x140000 		/* 1280k */
+-	},
+-	{
+-		.name   = "jffs",
+-		.offset = 0x1c0000,
+-		.size   = 0x620000 		/* 6272k */
+-	},
+-	{
+-		.name   = "nvram",
+-		.offset = 0x7e0000,
+-		.size   = 0x20000		/* 128k */
+-	},
+-};
+-
+-static struct physmap_flash_data wgt634u_flash_data = {
+-	.parts    = wgt634u_partitions,
+-	.nr_parts = ARRAY_SIZE(wgt634u_partitions)
+-};
+-
+-static struct resource wgt634u_flash_resource = {
+-	.flags = IORESOURCE_MEM,
+-};
+-
+-static struct platform_device wgt634u_flash = {
+-	.name          = "physmap-flash",
+-	.id            = 0,
+-	.dev           = { .platform_data = &wgt634u_flash_data, },
+-	.resource      = &wgt634u_flash_resource,
+-	.num_resources = 1,
+-};
+-
+-/* Platform devices */
+-static struct platform_device *wgt634u_devices[] __initdata = {
+-	&wgt634u_flash,
+-	&wgt634u_gpio_leds,
+-};
+-
+-static irqreturn_t gpio_interrupt(int irq, void *ignored)
+-{
+-	int state;
+-
+-	/* Interrupts are shared, check if the current one is
+-	   a GPIO interrupt. */
+-	if (!ssb_chipco_irq_status(&bcm47xx_bus.ssb.chipco,
+-				   SSB_CHIPCO_IRQ_GPIO))
+-		return IRQ_NONE;
+-
+-	state = gpio_get_value(WGT634U_GPIO_RESET);
+-
+-	/* Interrupt are level triggered, revert the interrupt polarity
+-	   to clear the interrupt. */
+-	gpio_polarity(WGT634U_GPIO_RESET, state);
+-
+-	if (!state) {
+-		printk(KERN_INFO "Reset button pressed");
+-		ctrl_alt_del();
+-	}
+-
+-	return IRQ_HANDLED;
+-}
+-
+-static int __init wgt634u_init(void)
+-{
+-	/* There is no easy way to detect that we are running on a WGT634U
+-	 * machine. Use the MAC address as an heuristic. Netgear Inc. has
+-	 * been allocated ranges 00:09:5b:xx:xx:xx and 00:0f:b5:xx:xx:xx.
+-	 */
+-	u8 *et0mac;
+-	int err;
+-
+-	if (bcm47xx_bus_type != BCM47XX_BUS_TYPE_SSB)
+-		return -ENODEV;
+-
+-	et0mac = bcm47xx_bus.ssb.sprom.et0mac;
+-
+-	if (et0mac[0] == 0x00 &&
+-	    ((et0mac[1] == 0x09 && et0mac[2] == 0x5b) ||
+-	     (et0mac[1] == 0x0f && et0mac[2] == 0xb5))) {
+-		struct ssb_mipscore *mcore = &bcm47xx_bus.ssb.mipscore;
+-
+-		printk(KERN_INFO "WGT634U machine detected.\n");
+-
+-		err = gpio_request(WGT634U_GPIO_RESET, "reset-buton");
+-		if (err) {
+-			printk(KERN_INFO "Can not register gpio for reset button\n");
+-			return 0;
+-		}
+-
+-		if (!request_irq(gpio_to_irq(WGT634U_GPIO_RESET),
+-				 gpio_interrupt, IRQF_SHARED,
+-				 "WGT634U GPIO", &bcm47xx_bus.ssb.chipco)) {
+-			gpio_direction_input(WGT634U_GPIO_RESET);
+-			gpio_intmask(WGT634U_GPIO_RESET, 1);
+-			ssb_chipco_irq_mask(&bcm47xx_bus.ssb.chipco,
+-					    SSB_CHIPCO_IRQ_GPIO,
+-					    SSB_CHIPCO_IRQ_GPIO);
+-		}
+-
+-		wgt634u_flash_data.width = mcore->pflash.buswidth;
+-		wgt634u_flash_resource.start = mcore->pflash.window;
+-		wgt634u_flash_resource.end = mcore->pflash.window
+-					   + mcore->pflash.window_size
+-					   - 1;
+-		return platform_add_devices(wgt634u_devices,
+-					    ARRAY_SIZE(wgt634u_devices));
+-	} else
+-		return -ENODEV;
+-}
+-
+-module_init(wgt634u_init);
diff --git a/target/linux/brcm47xx/patches-3.6/820-wgt634u-nvram-fix.patch b/target/linux/brcm47xx/patches-3.6/820-wgt634u-nvram-fix.patch
new file mode 100644
index 0000000000..c2da5e0770
--- /dev/null
+++ b/target/linux/brcm47xx/patches-3.6/820-wgt634u-nvram-fix.patch
@@ -0,0 +1,306 @@
+The Netgear wgt634u uses a different format for storing the 
+configuration. This patch is needed to read out the correct 
+configuration. The cfe_env.c file uses a different method way to read 
+out the configuration than the in kernel cfe config reader.
+
+--- a/arch/mips/bcm47xx/Makefile
++++ b/arch/mips/bcm47xx/Makefile
+@@ -3,4 +3,4 @@
+ # under Linux.
+ #
+ 
+-obj-y 				+= gpio.o irq.o nvram.o prom.o serial.o setup.o time.o sprom.o
++obj-y 				+= gpio.o irq.o nvram.o prom.o serial.o setup.o time.o sprom.o cfe_env.o
+--- /dev/null
++++ b/arch/mips/bcm47xx/cfe_env.c
+@@ -0,0 +1,229 @@
++/*
++ * CFE environment variable access
++ *
++ * Copyright 2001-2003, Broadcom Corporation
++ * Copyright 2006, Felix Fietkau <nbd@openwrt.org>
++ * 
++ * 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.
++ */
++
++#include <linux/init.h>
++#include <linux/module.h>
++#include <linux/kernel.h>
++#include <linux/string.h>
++#include <asm/io.h>
++#include <asm/uaccess.h>
++
++#define NVRAM_SIZE       (0x1ff0)
++static char _nvdata[NVRAM_SIZE];
++static char _valuestr[256];
++
++/*
++ * TLV types.  These codes are used in the "type-length-value"
++ * encoding of the items stored in the NVRAM device (flash or EEPROM)
++ *
++ * The layout of the flash/nvram is as follows:
++ *
++ * <type> <length> <data ...> <type> <length> <data ...> <type_end>
++ *
++ * The type code of "ENV_TLV_TYPE_END" marks the end of the list.
++ * The "length" field marks the length of the data section, not
++ * including the type and length fields.
++ *
++ * Environment variables are stored as follows:
++ *
++ * <type_env> <length> <flags> <name> = <value>
++ *
++ * If bit 0 (low bit) is set, the length is an 8-bit value.
++ * If bit 0 (low bit) is clear, the length is a 16-bit value
++ * 
++ * Bit 7 set indicates "user" TLVs.  In this case, bit 0 still
++ * indicates the size of the length field.  
++ *
++ * Flags are from the constants below:
++ *
++ */
++#define ENV_LENGTH_16BITS	0x00	/* for low bit */
++#define ENV_LENGTH_8BITS	0x01
++
++#define ENV_TYPE_USER		0x80
++
++#define ENV_CODE_SYS(n,l) (((n)<<1)|(l))
++#define ENV_CODE_USER(n,l) ((((n)<<1)|(l)) | ENV_TYPE_USER)
++
++/*
++ * The actual TLV types we support
++ */
++
++#define ENV_TLV_TYPE_END	0x00	
++#define ENV_TLV_TYPE_ENV	ENV_CODE_SYS(0,ENV_LENGTH_8BITS)
++
++/*
++ * Environment variable flags 
++ */
++
++#define ENV_FLG_NORMAL		0x00	/* normal read/write */
++#define ENV_FLG_BUILTIN		0x01	/* builtin - not stored in flash */
++#define ENV_FLG_READONLY	0x02	/* read-only - cannot be changed */
++
++#define ENV_FLG_MASK		0xFF	/* mask of attributes we keep */
++#define ENV_FLG_ADMIN		0x100	/* lets us internally override permissions */
++
++
++/*  *********************************************************************
++    *  _nvram_read(buffer,offset,length)
++    *  
++    *  Read data from the NVRAM device
++    *  
++    *  Input parameters: 
++    *  	   buffer - destination buffer
++    *  	   offset - offset of data to read
++    *  	   length - number of bytes to read
++    *  	   
++    *  Return value:
++    *  	   number of bytes read, or <0 if error occured
++    ********************************************************************* */
++static int
++_nvram_read(unsigned char *nv_buf, unsigned char *buffer, int offset, int length)
++{
++    int i;
++    if (offset > NVRAM_SIZE)
++	return -1; 
++
++    for ( i = 0; i < length; i++) {
++	buffer[i] = ((volatile unsigned char*)nv_buf)[offset + i];
++    }
++    return length;
++}
++
++
++static char*
++_strnchr(const char *dest,int c,size_t cnt)
++{
++	while (*dest && (cnt > 0)) {
++	if (*dest == c) return (char *) dest;
++	dest++;
++	cnt--;
++	}
++	return NULL;
++}
++
++
++
++/*
++ * Core support API: Externally visible.
++ */
++
++/*
++ * Get the value of an NVRAM variable
++ * @param	name	name of variable to get
++ * @return	value of variable or NULL if undefined
++ */
++
++char* 
++cfe_env_get(unsigned char *nv_buf, char* name)
++{
++    int size;
++    unsigned char *buffer;
++    unsigned char *ptr;
++    unsigned char *envval;
++    unsigned int reclen;
++    unsigned int rectype;
++    int offset;
++    int flg;
++    
++	if (!strcmp(name, "nvram_type"))
++		return "cfe";
++	
++    size = NVRAM_SIZE;
++    buffer = &_nvdata[0];
++
++    ptr = buffer;
++    offset = 0;
++
++    /* Read the record type and length */
++    if (_nvram_read(nv_buf, ptr,offset,1) != 1) {
++	goto error;
++    }
++    
++    while ((*ptr != ENV_TLV_TYPE_END)  && (size > 1)) {
++
++	/* Adjust pointer for TLV type */
++	rectype = *(ptr);
++	offset++;
++	size--;
++
++	/* 
++	 * Read the length.  It can be either 1 or 2 bytes
++	 * depending on the code 
++	 */
++	if (rectype & ENV_LENGTH_8BITS) {
++	    /* Read the record type and length - 8 bits */
++	    if (_nvram_read(nv_buf, ptr,offset,1) != 1) {
++		goto error;
++	    }
++	    reclen = *(ptr);
++	    size--;
++	    offset++;
++	}
++	else {
++	    /* Read the record type and length - 16 bits, MSB first */
++	    if (_nvram_read(nv_buf, ptr,offset,2) != 2) {
++		goto error;
++	    }
++	    reclen = (((unsigned int) *(ptr)) << 8) + (unsigned int) *(ptr+1);
++	    size -= 2;
++	    offset += 2;
++	}
++
++	if (reclen > size)
++	    break;	/* should not happen, bad NVRAM */
++
++	switch (rectype) {
++	    case ENV_TLV_TYPE_ENV:
++		/* Read the TLV data */
++		if (_nvram_read(nv_buf, ptr,offset,reclen) != reclen)
++		    goto error;
++		flg = *ptr++;
++		envval = (unsigned char *) _strnchr(ptr,'=',(reclen-1));
++		if (envval) {
++		    *envval++ = '\0';
++		    memcpy(_valuestr,envval,(reclen-1)-(envval-ptr));
++		    _valuestr[(reclen-1)-(envval-ptr)] = '\0';
++#if 0			
++		    printk(KERN_INFO "NVRAM:%s=%s\n", ptr, _valuestr);
++#endif
++		    if(!strcmp(ptr, name)){
++			return _valuestr;
++		    }
++		    if((strlen(ptr) > 1) && !strcmp(&ptr[1], name))
++			return _valuestr;
++		}
++		break;
++		
++	    default: 
++		/* Unknown TLV type, skip it. */
++		break;
++	    }
++
++	/*
++	 * Advance to next TLV 
++	 */
++		
++	size -= (int)reclen;
++	offset += reclen;
++
++	/* Read the next record type */
++	ptr = buffer;
++	if (_nvram_read(nv_buf, ptr,offset,1) != 1)
++	    goto error;
++	}
++
++error:
++    return NULL;
++
++}
++
+--- a/arch/mips/bcm47xx/nvram.c
++++ b/arch/mips/bcm47xx/nvram.c
+@@ -22,6 +22,8 @@
+ #include <asm/mach-bcm47xx/bcm47xx.h>
+ 
+ static char nvram_buf[NVRAM_SPACE];
++static int cfe_env;
++extern char *cfe_env_get(char *nv_buf, const char *name);
+ 
+ static u32 find_nvram_size(u32 end)
+ {
+@@ -47,6 +49,26 @@ static void early_nvram_init_fill(u32 ba
+ 	u32 *src, *dst;
+ 	u32 size;
+ 
++	cfe_env = 0;
++
++	/* XXX: hack for supporting the CFE environment stuff on WGT634U */
++	if (lim >= 8 * 1024 * 1024) {
++		src = (u32 *) KSEG1ADDR(base + 8 * 1024 * 1024 - 0x2000);
++		dst = (u32 *) nvram_buf;
++
++		if ((*src & 0xff00ff) == 0x000001) {
++			printk("early_nvram_init: WGT634U NVRAM found.\n");
++
++			for (i = 0; i < 0x1ff0; i++) {
++				if (*src == 0xFFFFFFFF)
++					break;
++				*dst++ = *src++;
++			}
++			cfe_env = 1;
++			return;
++		}
++	}
++
+ 	/* TODO: when nvram is on nand flash check for bad blocks first. */
+ 	off = FLASH_MIN;
+ 	while (off <= lim) {
+@@ -166,6 +188,12 @@ int nvram_getenv(char *name, char *val,
+ 	if (!nvram_buf[0])
+ 		early_nvram_init();
+ 
++	if (cfe_env) {
++		value = cfe_env_get(nvram_buf, name);
++		snprintf(val, val_len, "%s", value);
++		return 0;
++	}
++
+ 	/* Look for name=value and return value */
+ 	var = &nvram_buf[sizeof(struct nvram_header)];
+ 	end = nvram_buf + sizeof(nvram_buf) - 2;
+@@ -194,6 +222,9 @@ char *nvram_get(const char *name)
+ 	if (!nvram_buf[0])
+ 		early_nvram_init();
+ 
++	if (cfe_env)
++		return cfe_env_get(nvram_buf, name);
++
+ 	/* Look for name=value and return value */
+ 	var = &nvram_buf[sizeof(struct nvram_header)];
+ 	end = nvram_buf + sizeof(nvram_buf) - 2;
diff --git a/target/linux/brcm47xx/patches-3.6/900-bcm47xx_wdt-noprescale.patch b/target/linux/brcm47xx/patches-3.6/900-bcm47xx_wdt-noprescale.patch
new file mode 100644
index 0000000000..bf0a192684
--- /dev/null
+++ b/target/linux/brcm47xx/patches-3.6/900-bcm47xx_wdt-noprescale.patch
@@ -0,0 +1,103 @@
+--- a/drivers/watchdog/bcm47xx_wdt.c
++++ b/drivers/watchdog/bcm47xx_wdt.c
+@@ -33,6 +33,7 @@
+ 
+ #define WDT_DEFAULT_TIME	30	/* seconds */
+ #define WDT_MAX_TIME		255	/* seconds */
++#define WDT_SHIFT		15	/* 32.768 KHz on cores with slow WDT clock */
+ 
+ static int wdt_time = WDT_DEFAULT_TIME;
+ static bool nowayout = WATCHDOG_NOWAYOUT;
+@@ -52,20 +53,20 @@ static unsigned long bcm47xx_wdt_busy;
+ static char expect_release;
+ static struct timer_list wdt_timer;
+ static atomic_t ticks;
++static int needs_sw_scale;
+ 
+-static inline void bcm47xx_wdt_hw_start(void)
++static inline void bcm47xx_wdt_hw_start(u32 ticks)
+ {
+-	/* this is 2,5s on 100Mhz clock  and 2s on 133 Mhz */
+ 	switch (bcm47xx_bus_type) {
+ #ifdef CONFIG_BCM47XX_SSB
+ 	case BCM47XX_BUS_TYPE_SSB:
+-		ssb_watchdog_timer_set(&bcm47xx_bus.ssb, 0xfffffff);
++		ssb_watchdog_timer_set(&bcm47xx_bus.ssb, ticks);
+ 		break;
+ #endif
+ #ifdef CONFIG_BCM47XX_BCMA
+ 	case BCM47XX_BUS_TYPE_BCMA:
+ 		bcma_chipco_watchdog_timer_set(&bcm47xx_bus.bcma.bus.drv_cc,
+-					       0xfffffff);
++					       ticks);
+ 		break;
+ #endif
+ 	}
+@@ -90,33 +91,34 @@ static inline int bcm47xx_wdt_hw_stop(vo
+ static void bcm47xx_timer_tick(unsigned long unused)
+ {
+ 	if (!atomic_dec_and_test(&ticks)) {
+-		bcm47xx_wdt_hw_start();
++		/* This is 2,5s on 100Mhz clock and 2s on 133 Mhz */
++		bcm47xx_wdt_hw_start(0xfffffff);
+ 		mod_timer(&wdt_timer, jiffies + HZ);
+ 	} else {
+ 		pr_crit("Watchdog will fire soon!!!\n");
+ 	}
+ }
+ 
+-static inline void bcm47xx_wdt_pet(void)
++static void bcm47xx_wdt_pet(void)
+ {
+-	atomic_set(&ticks, wdt_time);
++	if(needs_sw_scale)
++		atomic_set(&ticks, wdt_time);
++	else
++		bcm47xx_wdt_hw_start(wdt_time << WDT_SHIFT);
+ }
+ 
+ static void bcm47xx_wdt_start(void)
+ {
+ 	bcm47xx_wdt_pet();
+-	bcm47xx_timer_tick(0);
+-}
+-
+-static void bcm47xx_wdt_pause(void)
+-{
+-	del_timer_sync(&wdt_timer);
+-	bcm47xx_wdt_hw_stop();
++	if(needs_sw_scale)
++		bcm47xx_timer_tick(0);
+ }
+ 
+ static void bcm47xx_wdt_stop(void)
+ {
+-	bcm47xx_wdt_pause();
++	if(needs_sw_scale)
++		del_timer_sync(&wdt_timer);
++	bcm47xx_wdt_hw_stop();
+ }
+ 
+ static int bcm47xx_wdt_settimeout(int new_time)
+@@ -267,7 +269,20 @@ static int __init bcm47xx_wdt_init(void)
+ 	if (bcm47xx_wdt_hw_stop() < 0)
+ 		return -ENODEV;
+ 
+-	setup_timer(&wdt_timer, bcm47xx_timer_tick, 0L);
++	/* FIXME Other cores */
++#ifdef BCM47XX_BUS_TYPE_BCMA
++	if(bcm47xx_bus_type == BCM47XX_BUS_TYPE_BCMA &&
++	   bcm47xx_bus.ssb.chip_id == 0x5354) {
++		/* Slow WDT clock, no pre-scaling */
++		needs_sw_scale = 0;
++	} else {
++#endif
++		/* Fast WDT clock, needs software pre-scaling */
++		needs_sw_scale = 1;
++		setup_timer(&wdt_timer, bcm47xx_timer_tick, 0L);
++#ifdef BCM47XX_BUS_TYPE_BCMA
++	}
++#endif
+ 
+ 	if (bcm47xx_wdt_settimeout(wdt_time)) {
+ 		bcm47xx_wdt_settimeout(WDT_DEFAULT_TIME);
diff --git a/target/linux/brcm47xx/patches-3.6/920-cache-wround.patch b/target/linux/brcm47xx/patches-3.6/920-cache-wround.patch
new file mode 100644
index 0000000000..7cdcab048b
--- /dev/null
+++ b/target/linux/brcm47xx/patches-3.6/920-cache-wround.patch
@@ -0,0 +1,138 @@
+--- a/arch/mips/include/asm/r4kcache.h
++++ b/arch/mips/include/asm/r4kcache.h
+@@ -20,10 +20,28 @@
+ #ifdef CONFIG_BCM47XX
+ #include <asm/paccess.h>
+ #include <linux/ssb/ssb.h>
+-#define BCM4710_DUMMY_RREG() ((void) *((u8 *) KSEG1ADDR(SSB_ENUM_BASE)))
++#define BCM4710_DUMMY_RREG() bcm4710_dummy_rreg()
++
++static inline unsigned long bcm4710_dummy_rreg(void)
++{
++      return *(volatile unsigned long *)(KSEG1ADDR(SSB_ENUM_BASE));
++}
++
++#define BCM4710_FILL_TLB(addr) bcm4710_fill_tlb((void *)(addr))
++
++static inline unsigned long bcm4710_fill_tlb(void *addr)
++{
++      return *(unsigned long *)addr;
++}
++
++#define BCM4710_PROTECTED_FILL_TLB(addr) bcm4710_protected_fill_tlb((void *)(addr))
++
++static inline void bcm4710_protected_fill_tlb(void *addr)
++{
++      unsigned long x;
++      get_dbe(x, (unsigned long *)addr);;
++}
+ 
+-#define BCM4710_FILL_TLB(addr) (*(volatile unsigned long *)(addr))
+-#define BCM4710_PROTECTED_FILL_TLB(addr) ({ unsigned long x; get_dbe(x, (volatile unsigned long *)(addr)); })
+ #else
+ #define BCM4710_DUMMY_RREG()
+ 
+--- a/arch/mips/mm/tlbex.c
++++ b/arch/mips/mm/tlbex.c
+@@ -917,6 +917,9 @@ build_get_pgde32(u32 **p, unsigned int t
+ #endif
+ 	uasm_i_addu(p, ptr, tmp, ptr);
+ #else
++#ifdef CONFIG_BCM47XX
++	uasm_i_nop(p);
++#endif
+ 	UASM_i_LA_mostly(p, ptr, pgdc);
+ #endif
+ 	uasm_i_mfc0(p, tmp, C0_BADVADDR); /* get faulting address */
+@@ -1267,12 +1270,12 @@ static void __cpuinit build_r4000_tlb_re
+ 			/* No need for uasm_i_nop */
+ 		}
+ 
+-#ifdef CONFIG_BCM47XX
+-		uasm_i_nop(&p);
+-#endif
+ #ifdef CONFIG_64BIT
+ 		build_get_pmde64(&p, &l, &r, K0, K1); /* get pmd in K1 */
+ #else
++# ifdef CONFIG_BCM47XX
++		uasm_i_nop(&p);
++# endif
+ 		build_get_pgde32(&p, K0, K1); /* get pgd in K1 */
+ #endif
+ 
+@@ -1284,6 +1287,9 @@ static void __cpuinit build_r4000_tlb_re
+ 		build_update_entries(&p, K0, K1);
+ 		build_tlb_write_entry(&p, &l, &r, tlb_random);
+ 		uasm_l_leave(&l, p);
++#ifdef CONFIG_BCM47XX
++		uasm_i_nop(&p);
++#endif
+ 		uasm_i_eret(&p); /* return from trap */
+ 	}
+ #ifdef CONFIG_HUGETLB_PAGE
+@@ -1800,12 +1806,12 @@ build_r4000_tlbchange_handler_head(u32 *
+ {
+ 	struct work_registers wr = build_get_work_registers(p);
+ 
+-#ifdef CONFIG_BCM47XX
+-	uasm_i_nop(p);
+-#endif
+ #ifdef CONFIG_64BIT
+ 	build_get_pmde64(p, l, r, wr.r1, wr.r2); /* get pmd in ptr */
+ #else
++# ifdef CONFIG_BCM47XX
++	uasm_i_nop(p);
++# endif
+ 	build_get_pgde32(p, wr.r1, wr.r2); /* get pgd in ptr */
+ #endif
+ 
+@@ -1844,6 +1850,9 @@ build_r4000_tlbchange_handler_tail(u32 *
+ 	build_tlb_write_entry(p, l, r, tlb_indexed);
+ 	uasm_l_leave(l, *p);
+ 	build_restore_work_registers(p);
++#ifdef CONFIG_BCM47XX
++	uasm_i_nop(p);
++#endif
+ 	uasm_i_eret(p); /* return from trap */
+ 
+ #ifdef CONFIG_64BIT
+--- a/arch/mips/kernel/genex.S
++++ b/arch/mips/kernel/genex.S
+@@ -22,6 +22,19 @@
+ #include <asm/page.h>
+ #include <asm/thread_info.h>
+ 
++#ifdef CONFIG_BCM47XX
++# ifdef eret
++#  undef eret
++# endif
++# define eret 					\
++	.set push;				\
++	.set noreorder;				\
++	 nop; 					\
++	 nop;					\
++	 eret;					\
++	.set pop;
++#endif
++
+ #define PANIC_PIC(msg)					\
+ 		.set push;				\
+ 		.set	reorder;			\
+@@ -54,7 +67,6 @@ NESTED(except_vec3_generic, 0, sp)
+ 	.set	noat
+ #ifdef CONFIG_BCM47XX
+ 	nop
+-	nop
+ #endif
+ #if R5432_CP0_INTERRUPT_WAR
+ 	mfc0	k0, CP0_INDEX
+@@ -79,6 +91,9 @@ NESTED(except_vec3_r4000, 0, sp)
+ 	.set	push
+ 	.set	mips3
+ 	.set	noat
++#ifdef CONFIG_BCM47XX
++	nop
++#endif
+ 	mfc0	k1, CP0_CAUSE
+ 	li	k0, 31<<2
+ 	andi	k1, k1, 0x7c
diff --git a/target/linux/brcm47xx/patches-3.6/940-bcm47xx-yenta.patch b/target/linux/brcm47xx/patches-3.6/940-bcm47xx-yenta.patch
new file mode 100644
index 0000000000..c65958eda8
--- /dev/null
+++ b/target/linux/brcm47xx/patches-3.6/940-bcm47xx-yenta.patch
@@ -0,0 +1,46 @@
+--- a/drivers/pcmcia/yenta_socket.c
++++ b/drivers/pcmcia/yenta_socket.c
+@@ -920,6 +920,8 @@ static unsigned int yenta_probe_irq(stru
+ 	 * Probe for usable interrupts using the force
+ 	 * register to generate bogus card status events.
+ 	 */
++#ifndef CONFIG_BCM47XX
++	/* WRT54G3G does not like this */
+ 	cb_writel(socket, CB_SOCKET_EVENT, -1);
+ 	cb_writel(socket, CB_SOCKET_MASK, CB_CSTSMASK);
+ 	reg = exca_readb(socket, I365_CSCINT);
+@@ -935,6 +937,7 @@ static unsigned int yenta_probe_irq(stru
+ 	}
+ 	cb_writel(socket, CB_SOCKET_MASK, 0);
+ 	exca_writeb(socket, I365_CSCINT, reg);
++#endif
+ 
+ 	mask = probe_irq_mask(val) & 0xffff;
+ 
+@@ -1019,6 +1022,10 @@ static void yenta_get_socket_capabilitie
+ 	else
+ 		socket->socket.irq_mask = 0;
+ 
++	/* irq mask probing is broken for the WRT54G3G */
++	if (socket->socket.irq_mask == 0)
++		socket->socket.irq_mask = 0x6f8;
++
+ 	dev_printk(KERN_INFO, &socket->dev->dev,
+ 		   "ISA IRQ mask 0x%04x, PCI irq %d\n",
+ 		   socket->socket.irq_mask, socket->cb_irq);
+@@ -1257,6 +1264,15 @@ static int __devinit yenta_probe(struct
+ 	dev_printk(KERN_INFO, &dev->dev,
+ 		   "Socket status: %08x\n", cb_readl(socket, CB_SOCKET_STATE));
+ 
++	/* Generate an interrupt on card insert/remove */
++	config_writew(socket, CB_SOCKET_MASK, CB_CSTSMASK | CB_CDMASK);
++
++	/* Set up Multifunction Routing Status Register */
++	config_writew(socket, 0x8C, 0x1000 /* MFUNC3 to GPIO3 */ | 0x2 /* MFUNC0 to INTA */);
++
++	/* Switch interrupts to parallelized */
++	config_writeb(socket, 0x92, 0x64);
++
+ 	yenta_fixup_parent_bridge(dev->subordinate);
+ 
+ 	/* Register it with the pcmcia layer.. */
diff --git a/target/linux/brcm47xx/patches-3.6/976-ssb_increase_pci_delay.patch b/target/linux/brcm47xx/patches-3.6/976-ssb_increase_pci_delay.patch
new file mode 100644
index 0000000000..eb70c81e65
--- /dev/null
+++ b/target/linux/brcm47xx/patches-3.6/976-ssb_increase_pci_delay.patch
@@ -0,0 +1,11 @@
+--- a/drivers/ssb/driver_pcicore.c
++++ b/drivers/ssb/driver_pcicore.c
+@@ -376,7 +376,7 @@ static void __devinit ssb_pcicore_init_h
+ 	set_io_port_base(ssb_pcicore_controller.io_map_base);
+ 	/* Give some time to the PCI controller to configure itself with the new
+ 	 * values. Not waiting at this point causes crashes of the machine. */
+-	mdelay(10);
++	mdelay(300);
+ 	register_pci_controller(&ssb_pcicore_controller);
+ }
+ 
diff --git a/target/linux/brcm47xx/patches-3.6/980-wnr834b_no_cardbus_invariant.patch b/target/linux/brcm47xx/patches-3.6/980-wnr834b_no_cardbus_invariant.patch
new file mode 100644
index 0000000000..1c0c6195e8
--- /dev/null
+++ b/target/linux/brcm47xx/patches-3.6/980-wnr834b_no_cardbus_invariant.patch
@@ -0,0 +1,13 @@
+--- a/arch/mips/bcm47xx/setup.c
++++ b/arch/mips/bcm47xx/setup.c
+@@ -120,6 +120,10 @@ static int bcm47xx_get_invariants(struct
+ 	if (nvram_getenv("cardbus", buf, sizeof(buf)) >= 0)
+ 		iv->has_cardbus_slot = !!simple_strtoul(buf, NULL, 10);
+ 
++	/* Do not indicate cardbus for Netgear WNR834B V1 and V2 */
++	if (iv->boardinfo.type == 0x0472 && iv->has_cardbus_slot)
++		iv->has_cardbus_slot = 0;
++
+ 	return 0;
+ }
+ 
diff --git a/target/linux/brcm47xx/patches-3.6/999-wl_exports.patch b/target/linux/brcm47xx/patches-3.6/999-wl_exports.patch
new file mode 100644
index 0000000000..1bf09f36b0
--- /dev/null
+++ b/target/linux/brcm47xx/patches-3.6/999-wl_exports.patch
@@ -0,0 +1,22 @@
+--- a/arch/mips/bcm47xx/nvram.c
++++ b/arch/mips/bcm47xx/nvram.c
+@@ -21,7 +21,8 @@
+ #include <asm/mach-bcm47xx/nvram.h>
+ #include <asm/mach-bcm47xx/bcm47xx.h>
+ 
+-static char nvram_buf[NVRAM_SPACE];
++char nvram_buf[NVRAM_SPACE];
++EXPORT_SYMBOL(nvram_buf);
+ static int cfe_env;
+ extern char *cfe_env_get(char *nv_buf, const char *name);
+ 
+--- a/arch/mips/mm/cache.c
++++ b/arch/mips/mm/cache.c
+@@ -58,6 +58,7 @@ void (*_dma_cache_wback)(unsigned long s
+ void (*_dma_cache_inv)(unsigned long start, unsigned long size);
+ 
+ EXPORT_SYMBOL(_dma_cache_wback_inv);
++EXPORT_SYMBOL(_dma_cache_inv);
+ 
+ #endif /* CONFIG_DMA_NONCOHERENT */
+ 
diff --git a/target/linux/generic/patches-3.6/025-bcma_backport.patch b/target/linux/generic/patches-3.6/025-bcma_backport.patch
index 15f54a3ba7..d549bb42cb 100644
--- a/target/linux/generic/patches-3.6/025-bcma_backport.patch
+++ b/target/linux/generic/patches-3.6/025-bcma_backport.patch
@@ -1,3 +1,33 @@
+--- a/arch/mips/bcm47xx/nvram.c
++++ b/arch/mips/bcm47xx/nvram.c
+@@ -43,8 +43,8 @@ static void early_nvram_init(void)
+ #ifdef CONFIG_BCM47XX_SSB
+ 	case BCM47XX_BUS_TYPE_SSB:
+ 		mcore_ssb = &bcm47xx_bus.ssb.mipscore;
+-		base = mcore_ssb->flash_window;
+-		lim = mcore_ssb->flash_window_size;
++		base = mcore_ssb->pflash.window;
++		lim = mcore_ssb->pflash.window_size;
+ 		break;
+ #endif
+ #ifdef CONFIG_BCM47XX_BCMA
+--- a/arch/mips/bcm47xx/wgt634u.c
++++ b/arch/mips/bcm47xx/wgt634u.c
+@@ -156,10 +156,10 @@ static int __init wgt634u_init(void)
+ 					    SSB_CHIPCO_IRQ_GPIO);
+ 		}
+ 
+-		wgt634u_flash_data.width = mcore->flash_buswidth;
+-		wgt634u_flash_resource.start = mcore->flash_window;
+-		wgt634u_flash_resource.end = mcore->flash_window
+-					   + mcore->flash_window_size
++		wgt634u_flash_data.width = mcore->pflash.buswidth;
++		wgt634u_flash_resource.start = mcore->pflash.window;
++		wgt634u_flash_resource.end = mcore->pflash.window
++					   + mcore->pflash.window_size
+ 					   - 1;
+ 		return platform_add_devices(wgt634u_devices,
+ 					    ARRAY_SIZE(wgt634u_devices));
 --- a/drivers/bcma/Kconfig
 +++ b/drivers/bcma/Kconfig
 @@ -48,12 +48,12 @@ config BCMA_DRIVER_MIPS
@@ -1022,3 +1052,45 @@
 +#define BCMA_SOC_FLASH2_SZ		0x02000000	/* Size of Flash Region 2 */
 +
  #endif /* LINUX_BCMA_REGS_H_ */
+--- a/drivers/net/wireless/b43/main.c
++++ b/drivers/net/wireless/b43/main.c
+@@ -4622,7 +4622,7 @@ static int b43_wireless_core_init(struct
+ 	switch (dev->dev->bus_type) {
+ #ifdef CONFIG_B43_BCMA
+ 	case B43_BUS_BCMA:
+-		bcma_core_pci_irq_ctl(&dev->dev->bdev->bus->drv_pci,
++		bcma_core_pci_irq_ctl(&dev->dev->bdev->bus->drv_pci[0],
+ 				      dev->dev->bdev, true);
+ 		break;
+ #endif
+--- a/drivers/net/wireless/brcm80211/brcmsmac/aiutils.c
++++ b/drivers/net/wireless/brcm80211/brcmsmac/aiutils.c
+@@ -695,7 +695,7 @@ void ai_pci_up(struct si_pub *sih)
+ 	sii = container_of(sih, struct si_info, pub);
+ 
+ 	if (sii->icbus->hosttype == BCMA_HOSTTYPE_PCI)
+-		bcma_core_pci_extend_L1timer(&sii->icbus->drv_pci, true);
++		bcma_core_pci_extend_L1timer(&sii->icbus->drv_pci[0], true);
+ }
+ 
+ /* Unconfigure and/or apply various WARs when going down */
+@@ -706,7 +706,7 @@ void ai_pci_down(struct si_pub *sih)
+ 	sii = container_of(sih, struct si_info, pub);
+ 
+ 	if (sii->icbus->hosttype == BCMA_HOSTTYPE_PCI)
+-		bcma_core_pci_extend_L1timer(&sii->icbus->drv_pci, false);
++		bcma_core_pci_extend_L1timer(&sii->icbus->drv_pci[0], false);
+ }
+ 
+ /* Enable BT-COEX & Ex-PA for 4313 */
+--- a/drivers/net/wireless/brcm80211/brcmsmac/main.c
++++ b/drivers/net/wireless/brcm80211/brcmsmac/main.c
+@@ -5077,7 +5077,7 @@ static int brcms_b_up_prep(struct brcms_
+ 	 * Configure pci/pcmcia here instead of in brcms_c_attach()
+ 	 * to allow mfg hotswap:  down, hotswap (chip power cycle), up.
+ 	 */
+-	bcma_core_pci_irq_ctl(&wlc_hw->d11core->bus->drv_pci, wlc_hw->d11core,
++	bcma_core_pci_irq_ctl(&wlc_hw->d11core->bus->drv_pci[0], wlc_hw->d11core,
+ 			      true);
+ 
+ 	/*