brcm47xx: update flash drivers

SVN-Revision: 31126

19 files changed, 372 insertions, 692 deletions

diff --git a/target/linux/brcm47xx/patches-3.2/020-bcma-move-parallel-flash-into-a-union.patch b/target/linux/brcm47xx/patches-3.2/020-bcma-move-parallel-flash-into-a-union.patch
index 11855b4..f861834 100644
--- a/target/linux/brcm47xx/patches-3.2/020-bcma-move-parallel-flash-into-a-union.patch
+++ b/target/linux/brcm47xx/patches-3.2/020-bcma-move-parallel-flash-into-a-union.patch
@@ -1,16 +1,3 @@
-From b7d9f9cd6a8e463c1061ea29ed3e614403625024 Mon Sep 17 00:00:00 2001
-From: Hauke Mehrtens <hauke@hauke-m.de>
-Date: Sun, 17 Jul 2011 14:51:47 +0200
-Subject: [PATCH 12/26] bcma: move parallel flash into a union
-
-
-Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
----
- arch/mips/bcm47xx/nvram.c                   |    3 +
- drivers/bcma/driver_mips.c                  |    1 +
- include/linux/bcma/bcma_driver_chipcommon.h |   73 ++++++++++++++++++++++++++-
- 3 files changed, 76 insertions(+), 1 deletions(-)
-
 --- a/arch/mips/bcm47xx/nvram.c
 +++ b/arch/mips/bcm47xx/nvram.c
 @@ -50,6 +50,9 @@ static void early_nvram_init(void)
diff --git a/target/linux/brcm47xx/patches-3.2/021-bcma-add-serial-flash-support-to-bcma.patch b/target/linux/brcm47xx/patches-3.2/021-bcma-add-serial-flash-support-to-bcma.patch
index e78f3c4..a55d04b 100644
--- a/target/linux/brcm47xx/patches-3.2/021-bcma-add-serial-flash-support-to-bcma.patch
+++ b/target/linux/brcm47xx/patches-3.2/021-bcma-add-serial-flash-support-to-bcma.patch
@@ -1,20 +1,3 @@
-From a62940e988526c881966a8c72cc28c95fca89f3c Mon Sep 17 00:00:00 2001
-From: Hauke Mehrtens <hauke@hauke-m.de>
-Date: Sun, 17 Jul 2011 14:53:07 +0200
-Subject: [PATCH 13/26] bcma: add serial flash support to bcma
-
-
-Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
----
- drivers/bcma/Kconfig                        |    5 +
- drivers/bcma/Makefile                       |    1 +
- drivers/bcma/bcma_private.h                 |    5 +
- drivers/bcma/driver_chipcommon_sflash.c     |  555 +++++++++++++++++++++++++++
- drivers/bcma/driver_mips.c                  |    8 +-
- include/linux/bcma/bcma_driver_chipcommon.h |   24 ++
- 6 files changed, 597 insertions(+), 1 deletions(-)
- create mode 100644 drivers/bcma/driver_chipcommon_sflash.c
-
 --- a/drivers/bcma/Kconfig
 +++ b/drivers/bcma/Kconfig
 @@ -38,6 +38,11 @@ config BCMA_HOST_SOC
@@ -54,11 +37,12 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
  extern int __init bcma_host_pci_init(void);
 --- /dev/null
 +++ b/drivers/bcma/driver_chipcommon_sflash.c
-@@ -0,0 +1,555 @@
+@@ -0,0 +1,398 @@
 +/*
 + * Broadcom SiliconBackplane 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.
@@ -84,7 +68,7 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
 +
 +
 +static inline void bcma_sflash_write_u8(struct bcma_drv_cc *cc,
-+					      u32 offset, u8 byte)
++					u32 offset, u8 byte)
 +{
 +	bcma_cc_write32(cc, BCMA_CC_FLASHADDR, offset);
 +	bcma_cc_write32(cc, BCMA_CC_FLASHDATA, byte);
@@ -244,8 +228,7 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
 +}
 +
 +/* Read len bytes starting at offset into buf. Returns number of bytes read. */
-+int bcma_sflash_read(struct bcma_drv_cc *cc, u32 offset, u32 len,
-+			   u8 *buf)
++int bcma_sflash_read(struct bcma_drv_cc *cc, u32 offset, u32 len, u8 *buf)
 +{
 +	u8 *from, *to;
 +	u32 cnt, i;
@@ -263,11 +246,7 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
 +	else
 +		cnt = len;
 +
-+
-+	if (cc->core->id.rev == 12)
-+		from = (u8 *)KSEG1ADDR(BCMA_FLASH2 + offset);
-+	else
-+		from = (u8 *)KSEG0ADDR(BCMA_FLASH2 + offset);
++	from = (u8 *)KSEG0ADDR(BCMA_FLASH2 + offset);
 +
 +	to = (u8 *)buf;
 +
@@ -316,92 +295,43 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
 +static int sflash_st_write(struct bcma_drv_cc *cc, u32 offset, u32 len,
 +			   const u8 *buf)
 +{
-+	struct bcma_bus *bus = cc->core->bus;
-+	int ret = 0;
-+	bool is4712b0 = (bus->chipinfo.id == 0x4712) && (bus->chipinfo.rev == 3);
-+	u32 mask;
-+
++	int written = 1;
 +
 +	/* Enable writes */
 +	bcma_sflash_cmd(cc, BCMA_CC_FLASHCTL_ST_WREN);
-+	if (is4712b0) {
-+		mask = 1 << 14;
-+		bcma_sflash_write_u8(cc, offset, *buf++);
-+		/* Set chip select */
-+		bcma_cc_set32(cc, BCMA_CC_GPIOOUT, mask);
-+		/* Issue a page program with the first byte */
-+		bcma_sflash_cmd(cc, BCMA_CC_FLASHCTL_ST_PP);
-+		ret = 1;
-+		offset++;
-+		len--;
-+		while (len > 0) {
-+			if ((offset & 255) == 0) {
-+				/* Page boundary, drop cs and return */
-+				bcma_cc_mask32(cc, BCMA_CC_GPIOOUT, ~mask);
-+				udelay(1);
-+				if (!bcma_sflash_poll(cc, offset)) {
-+					/* Flash rejected command */
-+					return -EAGAIN;
-+				}
-+				return ret;
-+			} else {
-+				/* Write single byte */
-+				bcma_sflash_cmd(cc, *buf++);
++	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(cc, offset)) {
++				/* Flash rejected command */
++				return -EAGAIN;
 +			}
-+			ret++;
-+			offset++;
-+			len--;
-+		}
-+		/* All done, drop cs */
-+		bcma_cc_mask32(cc, BCMA_CC_GPIOOUT, ~mask);
-+		udelay(1);
-+		if (!bcma_sflash_poll(cc, offset)) {
-+			/* Flash rejected command */
-+			return -EAGAIN;
++			return written;
++		} else {
++			/* Write single byte */
++			bcma_sflash_cmd(cc,
++					BCMA_CC_FLASHCTL_ST_CSA |
++					*buf++);
 +		}
-+	} else if (cc->core->id.rev >= 20) {
-+		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);
-+		ret = 1;
++		written++;
 +		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(cc, offset)) {
-+					/* Flash rejected command */
-+					return -EAGAIN;
-+				}
-+				return ret;
-+			} else {
-+				/* Write single byte */
-+				bcma_sflash_cmd(cc,
-+						BCMA_CC_FLASHCTL_ST_CSA |
-+						*buf++);
-+			}
-+			ret++;
-+			offset++;
-+			len--;
-+		}
-+		/* All done, drop cs & poll */
-+		bcma_cc_write32(cc, BCMA_CC_FLASHCTL, 0);
-+		udelay(1);
-+		if (!bcma_sflash_poll(cc, offset)) {
-+			/* Flash rejected command */
-+			return -EAGAIN;
-+		}
-+	} else {
-+		ret = 1;
-+		bcma_sflash_write_u8(cc, offset, *buf);
-+		/* Page program */
-+		bcma_sflash_cmd(cc, BCMA_CC_FLASHCTL_ST_PP);
 +	}
-+	return ret;
++	/* All done, drop cs & poll */
++	bcma_cc_write32(cc, BCMA_CC_FLASHCTL, 0);
++	udelay(1);
++	if (!bcma_sflash_poll(cc, offset)) {
++		/* Flash rejected command */
++		return -EAGAIN;
++	}
++	return written;
 +}
 +
 +static int sflash_at_write(struct bcma_drv_cc *cc, u32 offset, u32 len,
@@ -410,6 +340,7 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
 +	struct bcma_sflash *sfl = &cc->sflash;
 +	u32 page, byte, mask;
 +	int ret = 0;
++
 +	mask = sfl->blocksize - 1;
 +	page = (offset & ~mask) << 1;
 +	byte = offset & mask;
@@ -428,8 +359,7 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
 +	/* Write into buffer 1 */
 +	for (ret = 0; (ret < (int)len) && (byte < sfl->blocksize); ret++) {
 +		bcma_sflash_write_u8(cc, byte++, *buf++);
-+		bcma_sflash_cmd(cc,
-+				BCMA_CC_FLASHCTL_AT_BUF1_WRITE);
++		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);
@@ -442,7 +372,7 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
 + * written. Caller should poll for completion.
 + */
 +int bcma_sflash_write(struct bcma_drv_cc *cc, u32 offset, u32 len,
-+			    const u8 *buf)
++		      const u8 *buf)
 +{
 +	struct bcma_sflash *sfl;
 +	int ret = 0, tries = NUM_RETRIES;
@@ -493,7 +423,10 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
 +		 * with a new command: ST_SSE. The ST_SE command erases 64KB just as
 +		 * before.
 +		 */
-+		bcma_sflash_cmd(cc, (sfl->blocksize < (64 * 1024)) ? BCMA_CC_FLASHCTL_ST_SSE : BCMA_CC_FLASHCTL_ST_SE);
++		if (sfl->blocksize < (64 * 1024))
++			bcma_sflash_cmd(cc, BCMA_CC_FLASHCTL_ST_SSE);
++		else
++			bcma_sflash_cmd(cc, BCMA_CC_FLASHCTL_ST_SE);
 +		return sfl->blocksize;
 +	case BCMA_CC_FLASHT_ATSER:
 +		bcma_cc_write32(cc, BCMA_CC_FLASHADDR, offset << 1);
@@ -503,113 +436,6 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
 +
 +	return 0;
 +}
-+
-+/*
-+ * writes the appropriate range of flash, a NULL buf simply erases
-+ * the region of flash
-+ */
-+int bcma_sflash_commit(struct bcma_drv_cc *cc, u32 offset, u32 len,
-+			     const u8 *buf)
-+{
-+	struct bcma_sflash *sfl;
-+	u8 *block = NULL, *cur_ptr, *blk_ptr;
-+	u32 blocksize = 0, mask, cur_offset, cur_length, cur_retlen, remainder;
-+	u32 blk_offset, blk_len, copied;
-+	int bytes, ret = 0;
-+
-+	/* Check address range */
-+	if (len <= 0)
-+		return 0;
-+
-+	sfl = &cc->sflash;
-+	if ((offset + len) > sfl->size)
-+		return -EINVAL;
-+
-+	blocksize = sfl->blocksize;
-+	mask = blocksize - 1;
-+
-+	/* Allocate a block of mem */
-+	block = kmalloc(blocksize, GFP_KERNEL);
-+	if (!block)
-+		return -ENOMEM;
-+
-+	while (len) {
-+		/* Align offset */
-+		cur_offset = offset & ~mask;
-+		cur_length = blocksize;
-+		cur_ptr = block;
-+
-+		remainder = blocksize - (offset & mask);
-+		if (len < remainder)
-+			cur_retlen = len;
-+		else
-+			cur_retlen = remainder;
-+
-+		/* buf == NULL means erase only */
-+		if (buf) {
-+			/* Copy existing data into holding block if necessary */
-+			if ((offset & mask) || (len < blocksize)) {
-+				blk_offset = cur_offset;
-+				blk_len = cur_length;
-+				blk_ptr = cur_ptr;
-+
-+				/* Copy entire block */
-+				while (blk_len) {
-+					copied = bcma_sflash_read(cc,
-+							blk_offset,
-+							blk_len, blk_ptr);
-+					blk_offset += copied;
-+					blk_len -= copied;
-+					blk_ptr += copied;
-+				}
-+			}
-+
-+			/* Copy input data into holding block */
-+			memcpy(cur_ptr + (offset & mask), buf, cur_retlen);
-+		}
-+
-+		/* Erase block */
-+		ret = bcma_sflash_erase(cc, cur_offset);
-+		if (ret < 0)
-+			goto done;
-+
-+		while (bcma_sflash_poll(cc, cur_offset));
-+
-+		/* buf == NULL means erase only */
-+		if (!buf) {
-+			offset += cur_retlen;
-+			len -= cur_retlen;
-+			continue;
-+		}
-+
-+		/* Write holding block */
-+		while (cur_length > 0) {
-+			bytes = bcma_sflash_write(cc, cur_offset,
-+					cur_length, cur_ptr);
-+
-+			if (bytes < 0) {
-+				ret = bytes;
-+				goto done;
-+			}
-+
-+			while (bcma_sflash_poll(cc, cur_offset))
-+				;
-+
-+			cur_offset += bytes;
-+			cur_length -= bytes;
-+			cur_ptr += bytes;
-+		}
-+
-+		offset += cur_retlen;
-+		len -= cur_retlen;
-+		buf += cur_retlen;
-+	}
-+
-+	ret = len;
-+done:
-+	kfree(block);
-+	return ret;
-+}
 --- a/drivers/bcma/driver_mips.c
 +++ b/drivers/bcma/driver_mips.c
 @@ -185,7 +185,13 @@ static void bcma_core_mips_flash_detect(
@@ -662,7 +488,7 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
  	};
  
  	int nr_serial_ports;
-@@ -459,4 +471,16 @@ extern void bcma_chipco_chipctl_maskset(
+@@ -459,4 +471,14 @@ extern void bcma_chipco_chipctl_maskset(
  extern void bcma_chipco_regctl_maskset(struct bcma_drv_cc *cc,
  				       u32 offset, u32 mask, u32 set);
  
@@ -674,8 +500,6 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
 +int bcma_sflash_write(struct bcma_drv_cc *cc, u32 offset, u32 len,
 +			    const u8 *buf);
 +int bcma_sflash_erase(struct bcma_drv_cc *cc, u32 offset);
-+int bcma_sflash_commit(struct bcma_drv_cc *cc, u32 offset, u32 len,
-+			     const u8 *buf);
 +#endif /* CONFIG_BCMA_SFLASH */
 +
  #endif /* LINUX_BCMA_DRIVER_CC_H_ */
diff --git a/target/linux/brcm47xx/patches-3.2/022-ssb-move-flash-to-chipcommon.patch b/target/linux/brcm47xx/patches-3.2/022-ssb-move-flash-to-chipcommon.patch
index 91d8acb..400de89 100644
--- a/target/linux/brcm47xx/patches-3.2/022-ssb-move-flash-to-chipcommon.patch
+++ b/target/linux/brcm47xx/patches-3.2/022-ssb-move-flash-to-chipcommon.patch
@@ -1,18 +1,3 @@
-From e8afde87ecf56beff67c7d5371cabaa4fc018541 Mon Sep 17 00:00:00 2001
-From: Hauke Mehrtens <hauke@hauke-m.de>
-Date: Sat, 23 Jul 2011 23:57:06 +0200
-Subject: [PATCH 14/26] ssb: move flash to chipcommon
-
-
-Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
----
- arch/mips/bcm47xx/nvram.c                 |    8 +++---
- arch/mips/bcm47xx/wgt634u.c               |    8 +++---
- drivers/ssb/driver_mipscore.c             |   36 +++++++++++++++++++++-------
- include/linux/ssb/ssb_driver_chipcommon.h |   18 ++++++++++++++
- include/linux/ssb/ssb_driver_mips.h       |    4 ---
- 5 files changed, 53 insertions(+), 21 deletions(-)
-
 --- a/arch/mips/bcm47xx/nvram.c
 +++ b/arch/mips/bcm47xx/nvram.c
 @@ -27,7 +27,7 @@ static char nvram_buf[NVRAM_SPACE];
diff --git a/target/linux/brcm47xx/patches-3.2/023-ssb-add-serial-flash-support.patch b/target/linux/brcm47xx/patches-3.2/023-ssb-add-serial-flash-support.patch
index e91c2a4..ba5a5c2 100644
--- a/target/linux/brcm47xx/patches-3.2/023-ssb-add-serial-flash-support.patch
+++ b/target/linux/brcm47xx/patches-3.2/023-ssb-add-serial-flash-support.patch
@@ -1,20 +1,3 @@
-From 980da78179592a3f5f99168bc5af415835aa8c13 Mon Sep 17 00:00:00 2001
-From: Hauke Mehrtens <hauke@hauke-m.de>
-Date: Sun, 24 Jul 2011 20:20:36 +0200
-Subject: [PATCH 15/26] ssb: add serial flash support
-
-
-Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
----
- drivers/ssb/Kconfig                       |    6 +
- drivers/ssb/Makefile                      |    1 +
- drivers/ssb/driver_chipcommon_sflash.c    |  556 +++++++++++++++++++++++++++++
- drivers/ssb/driver_mipscore.c             |    6 +
- drivers/ssb/ssb_private.h                 |    4 +
- include/linux/ssb/ssb_driver_chipcommon.h |   30 ++-
- 6 files changed, 601 insertions(+), 2 deletions(-)
- create mode 100644 drivers/ssb/driver_chipcommon_sflash.c
-
 --- a/drivers/ssb/Kconfig
 +++ b/drivers/ssb/Kconfig
 @@ -137,6 +137,12 @@ config SSB_DRIVER_MIPS
@@ -42,11 +25,12 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
  ssb-$(CONFIG_SSB_DRIVER_PCICORE)	+= driver_pcicore.o
 --- /dev/null
 +++ b/drivers/ssb/driver_chipcommon_sflash.c
-@@ -0,0 +1,556 @@
+@@ -0,0 +1,451 @@
 +/*
 + * Broadcom SiliconBackplane 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.
@@ -73,7 +57,7 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
 +
 +
 +static inline void ssb_sflash_write_u8(struct ssb_chipcommon *cc,
-+					      u32 offset, u8 byte)
++				       u32 offset, u8 byte)
 +{
 +	chipco_write32(cc, SSB_CHIPCO_FLASHADDR, offset);
 +	chipco_write32(cc, SSB_CHIPCO_FLASHDATA, byte);
@@ -233,8 +217,7 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
 +}
 +
 +/* Read len bytes starting at offset into buf. Returns number of bytes read. */
-+int ssb_sflash_read(struct ssb_chipcommon *cc, u32 offset, u32 len,
-+			   u8 *buf)
++int ssb_sflash_read(struct ssb_chipcommon *cc, u32 offset, u32 len, u8 *buf)
 +{
 +	u8 *from, *to;
 +	u32 cnt, i;
@@ -310,7 +293,6 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
 +	bool is4712b0 = (bus->chip_id == 0x4712) && (bus->chip_rev == 3);
 +	u32 mask;
 +
-+
 +	/* Enable writes */
 +	ssb_sflash_cmd(cc, SSB_CHIPCO_FLASHCTL_ST_WREN);
 +	if (is4712b0) {
@@ -478,11 +460,14 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
 +	case SSB_CHIPCO_FLASHT_STSER:
 +		ssb_sflash_cmd(cc, SSB_CHIPCO_FLASHCTL_ST_WREN);
 +		chipco_write32(cc, 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.
++		/* 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.
 +		 */
-+		ssb_sflash_cmd(cc, (sfl->blocksize < (64 * 1024)) ? SSB_CHIPCO_FLASHCTL_ST_SSE : SSB_CHIPCO_FLASHCTL_ST_SE);
++		if (sfl->blocksize < (64 * 1024))
++			ssb_sflash_cmd(cc, SSB_CHIPCO_FLASHCTL_ST_SSE);
++		else
++			ssb_sflash_cmd(cc, SSB_CHIPCO_FLASHCTL_ST_SE);
 +		return sfl->blocksize;
 +	case SSB_CHIPCO_FLASHT_ATSER:
 +		chipco_write32(cc, SSB_CHIPCO_FLASHADDR, offset << 1);
@@ -492,113 +477,6 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
 +
 +	return 0;
 +}
-+
-+/*
-+ * writes the appropriate range of flash, a NULL buf simply erases
-+ * the region of flash
-+ */
-+int ssb_sflash_commit(struct ssb_chipcommon *cc, u32 offset, u32 len,
-+			     const u8 *buf)
-+{
-+	struct ssb_sflash *sfl;
-+	u8 *block = NULL, *cur_ptr, *blk_ptr;
-+	u32 blocksize = 0, mask, cur_offset, cur_length, cur_retlen, remainder;
-+	u32 blk_offset, blk_len, copied;
-+	int bytes, ret = 0;
-+
-+	/* Check address range */
-+	if (len <= 0)
-+		return 0;
-+
-+	sfl = &cc->sflash;
-+	if ((offset + len) > sfl->size)
-+		return -EINVAL;
-+
-+	blocksize = sfl->blocksize;
-+	mask = blocksize - 1;
-+
-+	/* Allocate a block of mem */
-+	block = kmalloc(blocksize, GFP_KERNEL);
-+	if (!block)
-+		return -ENOMEM;
-+
-+	while (len) {
-+		/* Align offset */
-+		cur_offset = offset & ~mask;
-+		cur_length = blocksize;
-+		cur_ptr = block;
-+
-+		remainder = blocksize - (offset & mask);
-+		if (len < remainder)
-+			cur_retlen = len;
-+		else
-+			cur_retlen = remainder;
-+
-+		/* buf == NULL means erase only */
-+		if (buf) {
-+			/* Copy existing data into holding block if necessary */
-+			if ((offset & mask) || (len < blocksize)) {
-+				blk_offset = cur_offset;
-+				blk_len = cur_length;
-+				blk_ptr = cur_ptr;
-+
-+				/* Copy entire block */
-+				while (blk_len) {
-+					copied = ssb_sflash_read(cc,
-+							blk_offset,
-+							blk_len, blk_ptr);
-+					blk_offset += copied;
-+					blk_len -= copied;
-+					blk_ptr += copied;
-+				}
-+			}
-+
-+			/* Copy input data into holding block */
-+			memcpy(cur_ptr + (offset & mask), buf, cur_retlen);
-+		}
-+
-+		/* Erase block */
-+		ret = ssb_sflash_erase(cc, cur_offset);
-+		if (ret < 0)
-+			goto done;
-+
-+		while (ssb_sflash_poll(cc, cur_offset));
-+
-+		/* buf == NULL means erase only */
-+		if (!buf) {
-+			offset += cur_retlen;
-+			len -= cur_retlen;
-+			continue;
-+		}
-+
-+		/* Write holding block */
-+		while (cur_length > 0) {
-+			bytes = ssb_sflash_write(cc, cur_offset,
-+					cur_length, cur_ptr);
-+
-+			if (bytes < 0) {
-+				ret = bytes;
-+				goto done;
-+			}
-+
-+			while (ssb_sflash_poll(cc, cur_offset))
-+				;
-+
-+			cur_offset += bytes;
-+			cur_length -= bytes;
-+			cur_ptr += bytes;
-+		}
-+
-+		offset += cur_retlen;
-+		len -= cur_retlen;
-+		buf += cur_retlen;
-+	}
-+
-+	ret = len;
-+done:
-+	kfree(block);
-+	return ret;
-+}
 --- a/drivers/ssb/driver_mipscore.c
 +++ b/drivers/ssb/driver_mipscore.c
 @@ -203,7 +203,13 @@ static void ssb_mips_flash_detect(struct
@@ -676,7 +554,7 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
  	};
  #endif /* CONFIG_SSB_DRIVER_MIPS */
  };
-@@ -666,6 +680,18 @@ extern int ssb_chipco_serial_init(struct
+@@ -666,6 +680,16 @@ extern int ssb_chipco_serial_init(struct
  				  struct ssb_serial_port *ports);
  #endif /* CONFIG_SSB_SERIAL */
  
@@ -688,8 +566,6 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
 +int ssb_sflash_write(struct ssb_chipcommon *cc, u32 offset, u32 len,
 +			    const u8 *buf);
 +int ssb_sflash_erase(struct ssb_chipcommon *cc, u32 offset);
-+int ssb_sflash_commit(struct ssb_chipcommon *cc, u32 offset, u32 len,
-+			     const u8 *buf);
 +#endif /* CONFIG_SSB_SFLASH */
 +
  /* PMU support */
diff --git a/target/linux/brcm47xx/patches-3.2/024-brcm47xx-add-common-interface-for-sflash.patch b/target/linux/brcm47xx/patches-3.2/024-brcm47xx-add-common-interface-for-sflash.patch
index 6caa918..1cf4ee6 100644
--- a/target/linux/brcm47xx/patches-3.2/024-brcm47xx-add-common-interface-for-sflash.patch
+++ b/target/linux/brcm47xx/patches-3.2/024-brcm47xx-add-common-interface-for-sflash.patch
@@ -1,19 +1,3 @@
-From 4f314ac9edbc80897f158fdb4e1b1de8a2d0d432 Mon Sep 17 00:00:00 2001
-From: Hauke Mehrtens <hauke@hauke-m.de>
-Date: Sun, 24 Jul 2011 21:10:49 +0200
-Subject: [PATCH 16/26] brcm47xx: add common interface for sflash
-
-
-Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
----
- arch/mips/bcm47xx/Makefile               |    2 +-
- arch/mips/bcm47xx/bus.c                  |   94 ++++++++++++++++++++++++++++++
- arch/mips/bcm47xx/setup.c                |    8 +++
- arch/mips/include/asm/mach-bcm47xx/bus.h |   37 ++++++++++++
- 4 files changed, 140 insertions(+), 1 deletions(-)
- create mode 100644 arch/mips/bcm47xx/bus.c
- create mode 100644 arch/mips/include/asm/mach-bcm47xx/bus.h
-
 --- a/arch/mips/bcm47xx/Makefile
 +++ b/arch/mips/bcm47xx/Makefile
 @@ -3,5 +3,5 @@
@@ -25,7 +9,7 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
  obj-$(CONFIG_BCM47XX_SSB)	+= wgt634u.o
 --- /dev/null
 +++ b/arch/mips/bcm47xx/bus.c
-@@ -0,0 +1,94 @@
+@@ -0,0 +1,82 @@
 +/*
 + * BCM947xx nvram variable access
 + *
@@ -59,11 +43,6 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
 +	return bcma_sflash_erase(dev->bcc, offset);
 +}
 +
-+static int bcm47xx_sflash_bcma_commit(struct bcm47xx_sflash *dev, u32 offset, u32 len, const u8 *buf)
-+{
-+	return bcma_sflash_commit(dev->bcc, offset, len, buf);
-+}
-+
 +void bcm47xx_sflash_struct_bcma_init(struct bcm47xx_sflash *sflash, struct bcma_drv_cc *bcc)
 +{
 +	sflash->sflash_type = BCM47XX_BUS_TYPE_BCMA;
@@ -73,7 +52,6 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
 +	sflash->poll = bcm47xx_sflash_bcma_poll;
 +	sflash->write = bcm47xx_sflash_bcma_write;
 +	sflash->erase = bcm47xx_sflash_bcma_erase;
-+	sflash->commit = bcm47xx_sflash_bcma_commit;
 +
 +	sflash->blocksize = bcc->sflash.blocksize;
 +	sflash->numblocks = bcc->sflash.numblocks;
@@ -100,11 +78,6 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
 +	return ssb_sflash_erase(dev->scc, offset);
 +}
 +
-+static int bcm47xx_sflash_ssb_commit(struct bcm47xx_sflash *dev, u32 offset, u32 len, const u8 *buf)
-+{
-+	return ssb_sflash_commit(dev->scc, offset, len, buf);
-+}
-+
 +void bcm47xx_sflash_struct_ssb_init(struct bcm47xx_sflash *sflash, struct ssb_chipcommon *scc)
 +{
 +	sflash->sflash_type = BCM47XX_BUS_TYPE_SSB;
@@ -114,7 +87,6 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
 +	sflash->poll = bcm47xx_sflash_ssb_poll;
 +	sflash->write = bcm47xx_sflash_ssb_write;
 +	sflash->erase = bcm47xx_sflash_ssb_erase;
-+	sflash->commit = bcm47xx_sflash_ssb_commit;
 +
 +	sflash->blocksize = scc->sflash.blocksize;
 +	sflash->numblocks = scc->sflash.numblocks;
@@ -153,7 +125,7 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
  
 --- /dev/null
 +++ b/arch/mips/include/asm/mach-bcm47xx/bus.h
-@@ -0,0 +1,37 @@
+@@ -0,0 +1,36 @@
 +/*
 + * BCM947xx nvram variable access
 + *
@@ -180,7 +152,6 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
 +	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);
-+	int (*commit)(struct bcm47xx_sflash *dev, u32 offset, u32 len, const u8 *buf);
 +
 +	u32 blocksize;		/* Block size */
 +	u32 numblocks;		/* Number of blocks */
diff --git a/target/linux/brcm47xx/patches-3.2/025-mtd-bcm47xx-add-bcm47xx-part-parser.patch b/target/linux/brcm47xx/patches-3.2/025-mtd-bcm47xx-add-bcm47xx-part-parser.patch
index 1c41827..0904ec3 100644
--- a/target/linux/brcm47xx/patches-3.2/025-mtd-bcm47xx-add-bcm47xx-part-parser.patch
+++ b/target/linux/brcm47xx/patches-3.2/025-mtd-bcm47xx-add-bcm47xx-part-parser.patch
@@ -1,17 +1,3 @@
-From d50d2d8e3ab5446f791deff0cb78820989ed93e7 Mon Sep 17 00:00:00 2001
-From: Hauke Mehrtens <hauke@hauke-m.de>
-Date: Sun, 17 Jul 2011 14:54:11 +0200
-Subject: [PATCH 06/19] mtd: bcm47xx: add bcm47xx part parser
-
-
-Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
----
- drivers/mtd/Kconfig       |    7 +
- drivers/mtd/Makefile      |    1 +
- drivers/mtd/bcm47xxpart.c |  542 +++++++++++++++++++++++++++++++++++++++++++++
- 3 files changed, 550 insertions(+), 0 deletions(-)
- create mode 100644 drivers/mtd/bcm47xxpart.c
-
 --- a/drivers/mtd/Kconfig
 +++ b/drivers/mtd/Kconfig
 @@ -164,6 +164,13 @@ config MTD_MYLOADER_PARTS
@@ -500,7 +486,7 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
 +			/* 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;
++			bcm47xx_parts[4].size   = custom_data_size;
 +			break;
 +
 +		case ROUTER_SIMPLETECH_SIMPLESHARE:
diff --git a/target/linux/brcm47xx/patches-3.2/026-mtd-bcm47xx-add-parallel-flash-driver.patch b/target/linux/brcm47xx/patches-3.2/026-mtd-bcm47xx-add-parallel-flash-driver.patch
index 613dc89..3ae6c05 100644
--- a/target/linux/brcm47xx/patches-3.2/026-mtd-bcm47xx-add-parallel-flash-driver.patch
+++ b/target/linux/brcm47xx/patches-3.2/026-mtd-bcm47xx-add-parallel-flash-driver.patch
@@ -1,17 +1,3 @@
-From 36f8b899174a445a98fe02ed8d1db177525f0c52 Mon Sep 17 00:00:00 2001
-From: Hauke Mehrtens <hauke@hauke-m.de>
-Date: Sun, 17 Jul 2011 14:55:18 +0200
-Subject: [PATCH 07/15] mtd: bcm47xx: add parallel flash driver
-
-
-Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
----
- drivers/mtd/maps/Kconfig          |    9 ++
- drivers/mtd/maps/Makefile         |    1 +
- drivers/mtd/maps/bcm47xx-pflash.c |  188 +++++++++++++++++++++++++++++++++++++
- 3 files changed, 198 insertions(+), 0 deletions(-)
- create mode 100644 drivers/mtd/maps/bcm47xx-pflash.c
-
 --- a/drivers/mtd/maps/Kconfig
 +++ b/drivers/mtd/maps/Kconfig
 @@ -257,6 +257,15 @@ config MTD_LANTIQ
diff --git a/target/linux/brcm47xx/patches-3.2/027-mtd-bcm47xx-add-serial-flash-driver.patch b/target/linux/brcm47xx/patches-3.2/027-mtd-bcm47xx-add-serial-flash-driver.patch
index 1b5dafa..45e4a09 100644
--- a/target/linux/brcm47xx/patches-3.2/027-mtd-bcm47xx-add-serial-flash-driver.patch
+++ b/target/linux/brcm47xx/patches-3.2/027-mtd-bcm47xx-add-serial-flash-driver.patch
@@ -1,19 +1,3 @@
-From 2e2951220bf63e05449c03a95453680da1029e44 Mon Sep 17 00:00:00 2001
-From: Hauke Mehrtens <hauke@hauke-m.de>
-Date: Sun, 17 Jul 2011 14:55:45 +0200
-Subject: [PATCH 08/15] mtd: bcm47xx: add serial flash driver
-
-sflash get the sflash ops from platform device
-
-Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
----
- arch/mips/include/asm/mach-bcm47xx/bus.h |    3 +
- drivers/mtd/maps/Kconfig                 |    9 +
- drivers/mtd/maps/Makefile                |    1 +
- drivers/mtd/maps/bcm47xx-sflash.c        |  252 ++++++++++++++++++++++++++++++
- 4 files changed, 265 insertions(+), 0 deletions(-)
- create mode 100644 drivers/mtd/maps/bcm47xx-sflash.c
-
 --- a/arch/mips/include/asm/mach-bcm47xx/bus.h
 +++ b/arch/mips/include/asm/mach-bcm47xx/bus.h
 @@ -11,6 +11,7 @@
@@ -24,7 +8,7 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
  #include <bcm47xx.h>
  
  struct bcm47xx_sflash {
-@@ -29,6 +30,8 @@ struct bcm47xx_sflash {
+@@ -28,6 +29,8 @@ struct bcm47xx_sflash {
  	u32 blocksize;		/* Block size */
  	u32 numblocks;		/* Number of blocks */
  	u32 size;		/* Total size in bytes */
@@ -60,19 +44,15 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
 +obj-$(CONFIG_MTD_BCM47XX_SFLASH)+= bcm47xx-sflash.o
 --- /dev/null
 +++ b/drivers/mtd/maps/bcm47xx-sflash.c
-@@ -0,0 +1,252 @@
+@@ -0,0 +1,263 @@
 +/*
 + * Broadcom SiliconBackplane chipcommon serial flash interface
 + *
++ * Copyright 2011, 2012, Hauke Mehrtens <hauke@hauke-m.de>
 + * Copyright 2006, Broadcom Corporation
 + * All Rights Reserved.
 + *
-+ * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY
-+ * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM
-+ * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
-+ * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE.
-+ *
-+ * $Id$
++ * Licensed under the GNU/GPL. See COPYING for details.
 + */
 +
 +#define pr_fmt(fmt) "bcm47xx_sflash: " fmt
@@ -93,28 +73,27 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
 +sflash_mtd_poll(struct bcm47xx_sflash *sflash, unsigned int offset, int timeout)
 +{
 +	unsigned long now = jiffies;
-+	int ret = 0;
 +
 +	for (;;) {
 +		if (!sflash->poll(sflash, offset)) {
-+			ret = 0;
 +			break;
 +		}
 +		if (time_after(jiffies, now + timeout)) {
 +			pr_err("timeout while polling\n");
-+			ret = -ETIMEDOUT;
-+			break;
++			return -ETIMEDOUT;
++
 +		}
++		cpu_relax();
 +		udelay(1);
 +	}
 +
-+	return ret;
++	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;
++	struct bcm47xx_sflash *sflash = (struct bcm47xx_sflash *)mtd->priv;
 +
 +	/* Check address range */
 +	if (!len)
@@ -124,7 +103,6 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
 +		return -EINVAL;
 +
 +	*retlen = 0;
-+
 +	while (len) {
 +		int ret = sflash->read(sflash, from, len, buf);
 +		if (ret < 0)
@@ -142,7 +120,9 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
 +static int
 +sflash_mtd_write(struct mtd_info *mtd, loff_t to, size_t len, size_t *retlen, const u_char *buf)
 +{
-+	struct bcm47xx_sflash *sflash = (struct bcm47xx_sflash *) mtd->priv;
++	int bytes;
++	int ret;
++	struct bcm47xx_sflash *sflash = (struct bcm47xx_sflash *)mtd->priv;
 +
 +	/* Check address range */
 +	if (!len)
@@ -153,8 +133,7 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
 +
 +	*retlen = 0;
 +	while (len) {
-+		int bytes;
-+		int ret = sflash->write(sflash, to, len, buf);
++		ret = sflash->write(sflash, to, len, buf);
 +		if (ret < 0)
 +			return ret;
 +
@@ -228,26 +207,30 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
 +{
 +	struct bcm47xx_sflash *sflash = dev_get_platdata(&pdev->dev);
 +	struct mtd_info *mtd;
-+	struct mtd_erase_region_info *regions;
++	struct mtd_erase_region_info *eraseregions;
 +	int ret = 0;
 +
 +	mtd = kzalloc(sizeof(struct mtd_info), GFP_KERNEL);
-+	if (!mtd)
-+		return -ENOMEM;
++	if (!mtd){
++		ret =  -ENOMEM;
++		goto err_out;
++	}
 +
-+	regions = kzalloc(sizeof(struct mtd_erase_region_info), GFP_KERNEL);
-+	if (!mtd)
-+		return -ENOMEM;
++	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);
++		sflash->blocksize / 1024, sflash->numblocks, sflash->size / 1024);
 +
 +	/* Setup region info */
-+	regions->offset = 0;
-+	regions->erasesize = sflash->blocksize;
-+	regions->numblocks = sflash->numblocks;
-+	if (regions->erasesize > mtd->erasesize)
-+		mtd->erasesize = regions->erasesize;
++	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;
 +
@@ -255,33 +238,45 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
 +	mtd->name = "bcm47xx-sflash";
 +	mtd->type = MTD_NORFLASH;
 +	mtd->flags = MTD_CAP_NORFLASH;
-+	mtd->eraseregions = regions;
++	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");
-+		return ret;
++		goto err_free_eraseregions;
 +	}
-+	sflash->mtd = mtd;
 +	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 bcm47xx_sflash *sflash = dev_get_platdata(&pdev->dev);
-+
-+	if (sflash) {
-+		mtd_device_unregister(sflash->mtd);
-+		map_destroy(sflash->mtd);
-+		kfree(sflash->mtd->eraseregions);
-+		kfree(sflash->mtd);
++	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;
 +}
diff --git a/target/linux/brcm47xx/patches-3.2/028-bcm47xx-register-flash-drivers.patch b/target/linux/brcm47xx/patches-3.2/028-bcm47xx-register-flash-drivers.patch
index f8978b0..5fc568f 100644
--- a/target/linux/brcm47xx/patches-3.2/028-bcm47xx-register-flash-drivers.patch
+++ b/target/linux/brcm47xx/patches-3.2/028-bcm47xx-register-flash-drivers.patch
@@ -1,14 +1,21 @@
-From 64f3d068654589d6114048ac5933cd4498706cfc Mon Sep 17 00:00:00 2001
-From: Hauke Mehrtens <hauke@hauke-m.de>
-Date: Sun, 17 Jul 2011 15:02:10 +0200
-Subject: [PATCH 20/26] bcm47xx: register flash drivers
-
-
-Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
----
- arch/mips/bcm47xx/setup.c |   72 +++++++++++++++++++++++++++++++++++++++++++++
- 1 files changed, 72 insertions(+), 0 deletions(-)
-
+--- a/arch/mips/bcm47xx/Kconfig
++++ b/arch/mips/bcm47xx/Kconfig
+@@ -9,6 +9,7 @@ config BCM47XX_SSB
+ 	select SSB_EMBEDDED
+ 	select SSB_B43_PCI_BRIDGE if PCI
+ 	select SSB_PCICORE_HOSTMODE if PCI
++	select SSB_SFLASH
+ 	default y
+ 	help
+ 	 Add support for old Broadcom BCM47xx boards with Sonics Silicon Backplane support.
+@@ -22,6 +23,7 @@ config BCM47XX_BCMA
+ 	select BCMA_HOST_SOC
+ 	select BCMA_DRIVER_MIPS
+ 	select BCMA_DRIVER_PCI_HOSTMODE if PCI
++	select BCMA_SFLASH
+ 	default y
+ 	help
+ 	 Add support for new Broadcom BCM47xx boards with Broadcom specific Advanced Microcontroller Bus.
 --- a/arch/mips/bcm47xx/setup.c
 +++ b/arch/mips/bcm47xx/setup.c
 @@ -31,10 +31,12 @@
@@ -24,11 +31,10 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
  #include <asm/mach-bcm47xx/nvram.h>
  
  union bcm47xx_bus bcm47xx_bus;
-@@ -366,3 +368,73 @@ static int __init bcm47xx_register_bus_c
- 	return 0;
- }
- device_initcall(bcm47xx_register_bus_complete);
-+
+@@ -45,6 +47,32 @@ EXPORT_SYMBOL(bcm47xx_bus_type);
+ 
+ struct bcm47xx_sflash bcm47xx_sflash;
+ 
 +static struct resource bcm47xx_pflash_resource = {
 +	.name	= "bcm47xx_pflash",
 +	.start	= 0,
@@ -55,44 +61,74 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
 +	.num_resources	= 1,
 +};
 +
+ static void bcm47xx_machine_restart(char *command)
+ {
+ 	printk(KERN_ALERT "Please stand by while rebooting the system...\n");
+@@ -310,6 +338,24 @@ static void __init bcm47xx_register_ssb(
+ 		}
+ 	}
+ }
++
++static int __init bcm47xx_register_flash_ssb(void)
++{
++	struct ssb_chipcommon *chipco = &bcm47xx_bus.ssb.chipco;
++
++	switch (chipco->flash_type) {
++	case SSB_PFLASH:
++		bcm47xx_pflash_resource.start = chipco->pflash.window;
++		bcm47xx_pflash_resource.end = chipco->pflash.window + chipco->pflash.window_size;
++		return platform_device_register(&bcm47xx_pflash_dev);
++	case SSB_SFLASH:
++		bcm47xx_sflash_dev.dev.platform_data = &bcm47xx_sflash;
++		return platform_device_register(&bcm47xx_sflash_dev);
++	default:
++		printk(KERN_ERR "No flash device found\n");
++		return -1;
++	}
++}
+ #endif
+ 
+ #ifdef CONFIG_BCM47XX_BCMA
+@@ -324,6 +370,24 @@ static void __init bcm47xx_register_bcma
+ 	if (bcm47xx_bus.bcma.bus.drv_cc.flash_type == BCMA_SFLASH)
+ 		bcm47xx_sflash_struct_bcma_init(&bcm47xx_sflash, &bcm47xx_bus.bcma.bus.drv_cc);
+ }
++
++static int __init bcm47xx_register_flash_bcma(void)
++{
++	struct bcma_drv_cc *drv_cc = &bcm47xx_bus.bcma.bus.drv_cc;
++
++	switch (drv_cc->flash_type) {
++	case BCMA_PFLASH:
++		bcm47xx_pflash_resource.start = drv_cc->pflash.window;
++		bcm47xx_pflash_resource.end = drv_cc->pflash.window + drv_cc->pflash.window_size;
++		return platform_device_register(&bcm47xx_pflash_dev);
++	case BCMA_SFLASH:
++		bcm47xx_sflash_dev.dev.platform_data = &bcm47xx_sflash;
++		return platform_device_register(&bcm47xx_sflash_dev);
++	default:
++		printk(KERN_ERR "No flash device found\n");
++		return -1;
++	}
++}
+ #endif
+ 
+ void __init plat_mem_setup(void)
+@@ -366,3 +430,19 @@ static int __init bcm47xx_register_bus_c
+ 	return 0;
+ }
+ device_initcall(bcm47xx_register_bus_complete);
++
 +static int __init bcm47xx_register_flash(void)
 +{
-+#ifdef CONFIG_BCM47XX_SSB
-+	struct ssb_chipcommon *chipco;
-+#endif
-+#ifdef CONFIG_BCM47XX_BCMA
-+	struct bcma_drv_cc *drv_cc;
-+#endif
 +	switch (bcm47xx_bus_type) {
 +#ifdef CONFIG_BCM47XX_SSB
 +	case BCM47XX_BUS_TYPE_SSB:
-+		chipco = &bcm47xx_bus.ssb.chipco;
-+		if (chipco->flash_type == SSB_PFLASH) {
-+			bcm47xx_pflash_resource.start = chipco->pflash.window;
-+			bcm47xx_pflash_resource.end = chipco->pflash.window + chipco->pflash.window_size;
-+			return platform_device_register(&bcm47xx_pflash_dev);
-+		} else if (chipco->flash_type == SSB_SFLASH) {
-+			bcm47xx_sflash_dev.dev.platform_data = &bcm47xx_sflash;
-+			return platform_device_register(&bcm47xx_sflash_dev);
-+		} else {
-+			printk(KERN_ERR "No flash device found\n");
-+			return -1;
-+		}
++		return bcm47xx_register_flash_ssb();
 +#endif
 +#ifdef CONFIG_BCM47XX_BCMA
 +	case BCM47XX_BUS_TYPE_BCMA:
-+		drv_cc = &bcm47xx_bus.bcma.bus.drv_cc;
-+		if (drv_cc->flash_type == BCMA_PFLASH) {
-+			bcm47xx_pflash_resource.start = drv_cc->pflash.window;
-+			bcm47xx_pflash_resource.end = drv_cc->pflash.window + drv_cc->pflash.window_size;
-+			return platform_device_register(&bcm47xx_pflash_dev);
-+		} else if (drv_cc->flash_type == BCMA_SFLASH) {
-+			bcm47xx_sflash_dev.dev.platform_data = &bcm47xx_sflash;
-+			return platform_device_register(&bcm47xx_sflash_dev);
-+		} else {
-+			printk(KERN_ERR "No flash device found\n");
-+			return -1;
-+		}
++		return bcm47xx_register_flash_bcma();
 +#endif
 +	}
 +	return -1;
diff --git a/target/linux/brcm47xx/patches-3.2/029-bcm47xx-read-nvram-from-sflash.patch b/target/linux/brcm47xx/patches-3.2/029-bcm47xx-read-nvram-from-sflash.patch
index d3781b8..2fc43dc 100644
--- a/target/linux/brcm47xx/patches-3.2/029-bcm47xx-read-nvram-from-sflash.patch
+++ b/target/linux/brcm47xx/patches-3.2/029-bcm47xx-read-nvram-from-sflash.patch
@@ -1,15 +1,3 @@
-From 1d693b2c9d5943cbe938f879041b837cd004737f Mon Sep 17 00:00:00 2001
-From: Hauke Mehrtens <hauke@hauke-m.de>
-Date: Sat, 23 Jul 2011 18:29:38 +0200
-Subject: [PATCH 25/26] bcm47xx: read nvram from sflash
-
-bcm47xx: add sflash support to nvram
-
-Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
----
- arch/mips/bcm47xx/nvram.c |   86 +++++++++++++++++++++++++++++++++++++++++++-
- 1 files changed, 84 insertions(+), 2 deletions(-)
-
 --- a/arch/mips/bcm47xx/nvram.c
 +++ b/arch/mips/bcm47xx/nvram.c
 @@ -20,11 +20,12 @@
@@ -26,7 +14,17 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
  {
  #ifdef CONFIG_BCM47XX_SSB
  	struct ssb_chipcommon *ssb_cc;
-@@ -86,7 +87,88 @@ found:
+@@ -50,9 +51,6 @@ static void early_nvram_init(void)
+ #ifdef CONFIG_BCM47XX_BCMA
+ 	case BCM47XX_BUS_TYPE_BCMA:
+ 		bcma_cc = &bcm47xx_bus.bcma.bus.drv_cc;
+-		if (bcma_cc->flash_type != BCMA_PFLASH)
+-			return;
+-
+ 		base = bcma_cc->pflash.window;
+ 		lim = bcma_cc->pflash.window_size;
+ 		break;
+@@ -86,7 +84,106 @@ found:
  	for (i = 0; i < sizeof(struct nvram_header); i += 4)
  		*dst++ = *src++;
  	for (; i < header->len && i < NVRAM_SPACE; i += 4)
@@ -81,35 +79,53 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
 +	return 0;
 +}
 +
-+static void early_nvram_init(void)
++#ifdef CONFIG_BCM47XX_SSB
++static void early_nvram_init_ssb(void)
 +{
-+	int err = 0;
++	int err;
++
++	switch (bcm47xx_bus.ssb.chipco.flash_type) {
++	case SSB_PFLASH:
++		early_nvram_init_pflash();
++	case SSB_SFLASH:
++		err = early_nvram_init_sflash();
++		if (err < 0)
++			printk(KERN_WARNING "can not read from flash: %i\n", err);
++	default:
++		printk(KERN_WARNING "unknow flash type\n");
++	}
++}
++#endif
 +
++#ifdef CONFIG_BCM47XX_BCMA
++static void early_nvram_init_bcma(void)
++{
++	int err;
++
++	switch (bcm47xx_bus.bcma.bus.drv_cc.flash_type) {
++	case BCMA_PFLASH:
++		early_nvram_init_pflash();
++	case BCMA_SFLASH:
++		err = early_nvram_init_sflash();
++		if (err < 0)
++			printk(KERN_WARNING "can not read from flash: %i\n", err);
++	default:
++		printk(KERN_WARNING "unknow flash type\n");
++	}
++}
++#endif
++
++static void early_nvram_init(void)
++{
 +	switch (bcm47xx_bus_type) {
 +#ifdef CONFIG_BCM47XX_SSB
 +	case BCM47XX_BUS_TYPE_SSB:
-+		if (bcm47xx_bus.ssb.chipco.flash_type == SSB_PFLASH) {
-+			early_nvram_init_pflash();
-+		} else if (bcm47xx_bus.ssb.chipco.flash_type == SSB_SFLASH) {
-+			err = early_nvram_init_sflash();
-+			if (err < 0)
-+				printk(KERN_WARNING "can not read from flash: %i\n", err);
-+		} else {
-+			printk(KERN_WARNING "unknow flash type\n");
-+		}
++		early_nvram_init_ssb();
 +		break;
 +#endif
 +#ifdef CONFIG_BCM47XX_BCMA
 +	case BCM47XX_BUS_TYPE_BCMA:
-+		if (bcm47xx_bus.bcma.bus.drv_cc.flash_type == BCMA_PFLASH) {
-+			early_nvram_init_pflash();
-+		} else if (bcm47xx_bus.bcma.bus.drv_cc.flash_type == BCMA_SFLASH) {
-+			err = early_nvram_init_sflash();
-+			if (err < 0)
-+				printk(KERN_WARNING "can not read from flash: %i\n", err);
-+		} else {
-+			printk(KERN_WARNING "unknow flash type\n");
-+		}
++		early_nvram_init_bcma();
 +		break;
 +#endif
 +	}
diff --git a/target/linux/brcm47xx/patches-3.2/030-bcm47xx-bcma-nandflash.patch b/target/linux/brcm47xx/patches-3.2/030-bcm47xx-bcma-nandflash.patch
index 4f4386e..c9922a8 100644
--- a/target/linux/brcm47xx/patches-3.2/030-bcm47xx-bcma-nandflash.patch
+++ b/target/linux/brcm47xx/patches-3.2/030-bcm47xx-bcma-nandflash.patch
@@ -1,3 +1,13 @@
+--- a/arch/mips/bcm47xx/Kconfig
++++ b/arch/mips/bcm47xx/Kconfig
+@@ -24,6 +24,7 @@ config BCM47XX_BCMA
+ 	select BCMA_DRIVER_MIPS
+ 	select BCMA_DRIVER_PCI_HOSTMODE if PCI
+ 	select BCMA_SFLASH
++	select BCMA_NFLASH
+ 	default y
+ 	help
+ 	 Add support for new Broadcom BCM47xx boards with Broadcom specific Advanced Microcontroller Bus.
 --- a/arch/mips/bcm47xx/bus.c
 +++ b/arch/mips/bcm47xx/bus.c
 @@ -2,6 +2,7 @@
@@ -8,7 +18,7 @@
   *
   * 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
-@@ -92,3 +93,9 @@ void bcm47xx_sflash_struct_ssb_init(stru
+@@ -80,3 +81,9 @@ void bcm47xx_sflash_struct_ssb_init(stru
  	sflash->numblocks = scc->sflash.numblocks;
  	sflash->size = scc->sflash.size;
  }
@@ -36,7 +46,7 @@
  
  static char nvram_buf[NVRAM_SPACE];
  
-@@ -137,6 +139,51 @@ found:
+@@ -134,6 +136,51 @@ found:
  	return 0;
  }
  
@@ -85,20 +95,20 @@
 +	return ret;
 +}
 +
- static void early_nvram_init(void)
+ #ifdef CONFIG_BCM47XX_SSB
+ static void early_nvram_init_ssb(void)
  {
- 	int err = 0;
-@@ -163,6 +210,10 @@ static void early_nvram_init(void)
- 			err = early_nvram_init_sflash();
- 			if (err < 0)
- 				printk(KERN_WARNING "can not read from flash: %i\n", err);
-+		} else if (bcm47xx_bus.bcma.bus.drv_cc.flash_type == BCMA_NFLASH) {
-+			err = early_nvram_init_nflash();
-+			if (err < 0)
-+				printk(KERN_WARNING "can not read from nflash: %i\n", err);
- 		} else {
- 			printk(KERN_WARNING "unknow flash type\n");
- 		}
+@@ -164,6 +211,10 @@ static void early_nvram_init_bcma(void)
+ 		err = early_nvram_init_sflash();
+ 		if (err < 0)
+ 			printk(KERN_WARNING "can not read from flash: %i\n", err);
++	case BCMA_NFLASH:
++		err = early_nvram_init_nflash();
++		if (err < 0)
++			printk(KERN_WARNING "can not read from nflash: %i\n", err);
+ 	default:
+ 		printk(KERN_WARNING "unknow flash type\n");
+ 	}
 --- a/arch/mips/bcm47xx/setup.c
 +++ b/arch/mips/bcm47xx/setup.c
 @@ -4,6 +4,7 @@
@@ -115,19 +125,9 @@
  struct bcm47xx_sflash bcm47xx_sflash;
 +struct bcm47xx_nflash bcm47xx_nflash;
  
- static void bcm47xx_machine_restart(char *command)
- {
-@@ -325,6 +327,9 @@ static void __init bcm47xx_register_bcma
- 
- 	if (bcm47xx_bus.bcma.bus.drv_cc.flash_type == BCMA_SFLASH)
- 		bcm47xx_sflash_struct_bcma_init(&bcm47xx_sflash, &bcm47xx_bus.bcma.bus.drv_cc);
-+	
-+	if (bcm47xx_bus.bcma.bus.drv_cc.flash_type == BCMA_NFLASH)
-+		bcm47xx_nflash_struct_bcma_init(&bcm47xx_nflash, &bcm47xx_bus.bcma.bus.drv_cc);
- }
- #endif
- 
-@@ -395,6 +400,19 @@ static struct platform_device bcm47xx_sf
+ static struct resource bcm47xx_pflash_resource = {
+ 	.name	= "bcm47xx_pflash",
+@@ -73,6 +75,19 @@ static struct platform_device bcm47xx_sf
  	.num_resources	= 1,
  };
  
@@ -144,19 +144,29 @@
 +	.num_resources	= 1,
 +};
 +
- static int __init bcm47xx_register_flash(void)
+ static void bcm47xx_machine_restart(char *command)
  {
- #ifdef CONFIG_BCM47XX_SSB
-@@ -429,6 +447,9 @@ static int __init bcm47xx_register_flash
- 		} else if (drv_cc->flash_type == BCMA_SFLASH) {
- 			bcm47xx_sflash_dev.dev.platform_data = &bcm47xx_sflash;
- 			return platform_device_register(&bcm47xx_sflash_dev);
-+		} else if (drv_cc->flash_type == BCMA_NFLASH) {
-+			bcm47xx_nflash_dev.dev.platform_data = &bcm47xx_nflash;
-+			return platform_device_register(&bcm47xx_nflash_dev);
- 		} else {
- 			printk(KERN_ERR "No flash device found\n");
- 			return -1;
+ 	printk(KERN_ALERT "Please stand by while rebooting the system...\n");
+@@ -369,6 +384,9 @@ static void __init bcm47xx_register_bcma
+ 
+ 	if (bcm47xx_bus.bcma.bus.drv_cc.flash_type == BCMA_SFLASH)
+ 		bcm47xx_sflash_struct_bcma_init(&bcm47xx_sflash, &bcm47xx_bus.bcma.bus.drv_cc);
++	
++	if (bcm47xx_bus.bcma.bus.drv_cc.flash_type == BCMA_NFLASH)
++		bcm47xx_nflash_struct_bcma_init(&bcm47xx_nflash, &bcm47xx_bus.bcma.bus.drv_cc);
+ }
+ 
+ static int __init bcm47xx_register_flash_bcma(void)
+@@ -383,6 +401,9 @@ static int __init bcm47xx_register_flash
+ 	case BCMA_SFLASH:
+ 		bcm47xx_sflash_dev.dev.platform_data = &bcm47xx_sflash;
+ 		return platform_device_register(&bcm47xx_sflash_dev);
++	case BCMA_NFLASH:
++		bcm47xx_nflash_dev.dev.platform_data = &bcm47xx_nflash;
++		return platform_device_register(&bcm47xx_nflash_dev);
+ 	default:
+ 		printk(KERN_ERR "No flash device found\n");
+ 		return -1;
 --- a/arch/mips/include/asm/mach-bcm47xx/bus.h
 +++ b/arch/mips/include/asm/mach-bcm47xx/bus.h
 @@ -2,6 +2,7 @@
@@ -175,7 +185,15 @@
  
  struct bcm47xx_sflash {
  	enum bcm47xx_bus_type sflash_type;
-@@ -38,3 +40,18 @@ void bcm47xx_sflash_struct_bcma_init(str
+@@ -29,11 +31,24 @@ struct bcm47xx_sflash {
+ 	u32 blocksize;		/* Block size */
+ 	u32 numblocks;		/* Number of blocks */
+ 	u32 size;		/* Total size in bytes */
+-
+-	struct mtd_info *mtd;
+ };
+ 
+ void bcm47xx_sflash_struct_bcma_init(struct bcm47xx_sflash *sflash, struct bcma_drv_cc *bcc);
  void bcm47xx_sflash_struct_ssb_init(struct bcm47xx_sflash *sflash, struct ssb_chipcommon *scc);
  
  extern struct bcm47xx_sflash bcm47xx_sflash;
@@ -194,6 +212,30 @@
 +void bcm47xx_nflash_struct_bcma_init(struct bcm47xx_nflash *nflash, struct bcma_drv_cc *bcc);
 +
 +extern struct bcm47xx_nflash bcm47xx_nflash;
+--- a/drivers/bcma/Kconfig
++++ b/drivers/bcma/Kconfig
+@@ -43,6 +43,11 @@ config BCMA_SFLASH
+ 	depends on BCMA_DRIVER_MIPS
+ 	default y
+ 
++config BCMA_NFLASH
++	bool
++	depends on BCMA_DRIVER_MIPS
++	default y
++
+ config BCMA_DRIVER_MIPS
+ 	bool "BCMA Broadcom MIPS core driver"
+ 	depends on BCMA && MIPS
+--- a/drivers/bcma/Makefile
++++ b/drivers/bcma/Makefile
+@@ -1,6 +1,7 @@
+ bcma-y					+= main.o scan.o core.o sprom.o
+ bcma-y					+= driver_chipcommon.o driver_chipcommon_pmu.o
+ bcma-$(CONFIG_BCMA_SFLASH)		+= driver_chipcommon_sflash.o
++bcma-$(CONFIG_BCMA_NFLASH)		+= driver_chipcommon_nflash.o
+ bcma-y					+= driver_pci.o
+ bcma-$(CONFIG_BCMA_DRIVER_PCI_HOSTMODE)	+= driver_pci_host.o
+ bcma-$(CONFIG_BCMA_DRIVER_MIPS)		+= driver_mips.o
 --- a/drivers/bcma/bcma_private.h
 +++ b/drivers/bcma/bcma_private.h
 @@ -46,6 +46,11 @@ u32 bcma_pmu_get_clockcpu(struct bcma_dr
@@ -320,7 +362,7 @@
 +	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;
@@ -349,7 +391,7 @@
 +		return (len - res);
 +}
 +
-+/* Erase a region. Returns success (0) or failure (-1). 
++/* Erase a region. Returns success (0) or failure (-1).
 + * Poll for completion.
 + */
 +int bcma_nflash_erase(struct bcma_drv_cc *cc, u32 offset)
@@ -393,30 +435,30 @@
  	switch (bus->drv_cc.capabilities & BCMA_CC_CAP_FLASHT) {
  	case BCMA_CC_FLASHT_STSER:
  	case BCMA_CC_FLASHT_ATSER:
---- a/drivers/bcma/Kconfig
-+++ b/drivers/bcma/Kconfig
-@@ -43,6 +43,11 @@ config BCMA_SFLASH
- 	depends on BCMA_DRIVER_MIPS
- 	default y
+--- a/drivers/mtd/nand/Kconfig
++++ b/drivers/mtd/nand/Kconfig
+@@ -537,4 +537,12 @@ config MTD_NAND_FSMC
+ 	  Enables support for NAND Flash chips on the ST Microelectronics
+ 	  Flexible Static Memory Controller (FSMC)
  
-+config BCMA_NFLASH
-+	bool
-+	depends on BCMA_DRIVER_MIPS
++config MTD_NAND_BCM47XX
++	tristate "bcm47xx nand flash support"
 +	default y
++	depends on BCM47XX
++	select MTD_PARTITIONS
++	help
++	  Support for bcm47xx nand flash
 +
- config BCMA_DRIVER_MIPS
- 	bool "BCMA Broadcom MIPS core driver"
- 	depends on BCMA && MIPS
---- a/drivers/bcma/Makefile
-+++ b/drivers/bcma/Makefile
-@@ -1,6 +1,7 @@
- bcma-y					+= main.o scan.o core.o sprom.o
- bcma-y					+= driver_chipcommon.o driver_chipcommon_pmu.o
- bcma-$(CONFIG_BCMA_SFLASH)		+= driver_chipcommon_sflash.o
-+bcma-$(CONFIG_BCMA_NFLASH)		+= driver_chipcommon_nflash.o
- bcma-y					+= driver_pci.o
- bcma-$(CONFIG_BCMA_DRIVER_PCI_HOSTMODE)	+= driver_pci_host.o
- bcma-$(CONFIG_BCMA_DRIVER_MIPS)		+= driver_mips.o
+ endif # MTD_NAND
+--- a/drivers/mtd/nand/Makefile
++++ b/drivers/mtd/nand/Makefile
+@@ -49,5 +49,6 @@ 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-$(CONFIG_MTD_NAND_BCM47XX)		+= bcm47xx_nand.o
+ 
+ nand-objs := nand_base.o nand_bbt.o
 --- /dev/null
 +++ b/drivers/mtd/nand/bcm47xx_nand.c
 @@ -0,0 +1,506 @@
@@ -590,7 +632,7 @@
 +				goto done;
 +			}
 +		}
-+	
++
 +		/* Copy input data into holding block */
 +		copy_len = min(len, blocksize - (offset & mask));
 +		memcpy(block + (offset & mask), ptr, copy_len);
@@ -639,7 +681,7 @@
 +		pr_err("ERASE: nflash_mtd_poll error\n");
 +		return 1;
 +	}
-+	
++
 +	return 0;
 +}
 +
@@ -704,14 +746,14 @@
 +		nflash->next_opcode = 0;
 +		bcm47xx_erase(mtd, page_addr*pagesize, pagesize);
 +		break;
-+	
++
 +	case NAND_CMD_ERASE2:
 +		break;
 +
 +	case NAND_CMD_RNDOUT:
 +		if (column > mtd->writesize)
 +			read_offset += (column - mtd->writesize);
-+		else 
++		else
 +			read_offset += column;
 +		break;
 +
@@ -740,7 +782,7 @@
 +		return ret;
 +
 +	if (nflash->next_opcode == NAND_CMD_STATUS)
-+		return NAND_STATUS_WP; 
++		return NAND_STATUS_WP;
 +
 +	id = bcma_cc_read32(nflash->bcc, nflash->next_opcode);
 +
@@ -879,7 +921,7 @@
 +		pr_err("mtd_device_register failed\n");
 +		return ret;
 +	}
-+	
++
 +	return 0;
 +
 +done:
@@ -926,30 +968,6 @@
 +
 +MODULE_LICENSE("GPL");
 +MODULE_DESCRIPTION("BCM47XX NAND flash driver");
---- a/drivers/mtd/nand/Kconfig
-+++ b/drivers/mtd/nand/Kconfig
-@@ -537,4 +537,12 @@ config MTD_NAND_FSMC
- 	  Enables support for NAND Flash chips on the ST Microelectronics
- 	  Flexible Static Memory Controller (FSMC)
- 
-+config MTD_NAND_BCM47XX
-+	tristate "bcm47xx nand flash support"
-+	default y
-+	depends on BCM47XX
-+	select MTD_PARTITIONS
-+	help
-+	  Support for bcm47xx nand flash
-+
- endif # MTD_NAND
---- a/drivers/mtd/nand/Makefile
-+++ b/drivers/mtd/nand/Makefile
-@@ -49,5 +49,6 @@ obj-$(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
 --- a/include/linux/bcma/bcma_driver_chipcommon.h
 +++ b/include/linux/bcma/bcma_driver_chipcommon.h
 @@ -376,6 +376,7 @@ struct bcma_chipcommon_pmu {
@@ -985,8 +1003,8 @@
  	};
  
  	int nr_serial_ports;
-@@ -483,4 +495,13 @@ int bcma_sflash_commit(struct bcma_drv_c
- 			     const u8 *buf);
+@@ -481,4 +493,13 @@ int bcma_sflash_write(struct bcma_drv_cc
+ int bcma_sflash_erase(struct bcma_drv_cc *cc, u32 offset);
  #endif /* CONFIG_BCMA_SFLASH */
  
 +#ifdef CONFIG_BCMA_NFLASH
@@ -1008,7 +1026,7 @@
 + * 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
diff --git a/target/linux/brcm47xx/patches-3.2/114-MIPS-BCM47xx-Setup-and-register-serial-early.patch b/target/linux/brcm47xx/patches-3.2/114-MIPS-BCM47xx-Setup-and-register-serial-early.patch
index ddf257b..45d3686 100644
--- a/target/linux/brcm47xx/patches-3.2/114-MIPS-BCM47xx-Setup-and-register-serial-early.patch
+++ b/target/linux/brcm47xx/patches-3.2/114-MIPS-BCM47xx-Setup-and-register-serial-early.patch
@@ -24,7 +24,7 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
  #include <asm/bootinfo.h>
  #include <asm/reboot.h>
  #include <asm/time.h>
-@@ -281,6 +283,31 @@ static int bcm47xx_get_invariants(struct
+@@ -320,6 +322,31 @@ static int bcm47xx_get_invariants(struct
  	return 0;
  }
  
@@ -56,7 +56,7 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
  static void __init bcm47xx_register_ssb(void)
  {
  	int err;
-@@ -313,6 +340,10 @@ static void __init bcm47xx_register_ssb(
+@@ -352,6 +379,10 @@ static void __init bcm47xx_register_ssb(
  			memcpy(&mcore->serial_ports[1], &port, sizeof(port));
  		}
  	}
@@ -65,5 +65,5 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
 +	bcm47xx_early_serial_setup(mcore);
 +#endif
  }
- #endif
  
+ static int __init bcm47xx_register_flash_ssb(void)
diff --git a/target/linux/brcm47xx/patches-3.2/197-MIPS-BCM47XX-return-number-of-written-bytes-in-nvram.patch b/target/linux/brcm47xx/patches-3.2/197-MIPS-BCM47XX-return-number-of-written-bytes-in-nvram.patch
index 7d8180b..78ebea5 100644
--- a/target/linux/brcm47xx/patches-3.2/197-MIPS-BCM47XX-return-number-of-written-bytes-in-nvram.patch
+++ b/target/linux/brcm47xx/patches-3.2/197-MIPS-BCM47XX-return-number-of-written-bytes-in-nvram.patch
@@ -1,7 +1,7 @@
 
 --- a/arch/mips/bcm47xx/nvram.c
 +++ b/arch/mips/bcm47xx/nvram.c
-@@ -243,8 +243,7 @@ int nvram_getenv(char *name, char *val,
+@@ -258,8 +258,7 @@ int nvram_getenv(char *name, char *val,
  		value = eq + 1;
  		if ((eq - var) == strlen(name) &&
  			strncmp(var, name, (eq - var)) == 0) {
diff --git a/target/linux/brcm47xx/patches-3.2/199-MIPS-BCM47XX-move-and-extend-sprom-parsing.patch b/target/linux/brcm47xx/patches-3.2/199-MIPS-BCM47XX-move-and-extend-sprom-parsing.patch
index 9a62987..174f9a2 100644
--- a/target/linux/brcm47xx/patches-3.2/199-MIPS-BCM47XX-move-and-extend-sprom-parsing.patch
+++ b/target/linux/brcm47xx/patches-3.2/199-MIPS-BCM47XX-move-and-extend-sprom-parsing.patch
@@ -9,7 +9,7 @@
  obj-$(CONFIG_BCM47XX_SSB)	+= wgt634u.o
 --- a/arch/mips/bcm47xx/setup.c
 +++ b/arch/mips/bcm47xx/setup.c
-@@ -93,156 +93,7 @@ static void bcm47xx_machine_halt(void)
+@@ -132,156 +132,7 @@ static void bcm47xx_machine_halt(void)
  }
  
  #ifdef CONFIG_BCM47XX_SSB
diff --git a/target/linux/brcm47xx/patches-3.2/200-MIPS-BCM47XX-provide-sprom-to-bcma-bus.patch b/target/linux/brcm47xx/patches-3.2/200-MIPS-BCM47XX-provide-sprom-to-bcma-bus.patch
index b0cf17d..5200502 100644
--- a/target/linux/brcm47xx/patches-3.2/200-MIPS-BCM47XX-provide-sprom-to-bcma-bus.patch
+++ b/target/linux/brcm47xx/patches-3.2/200-MIPS-BCM47XX-provide-sprom-to-bcma-bus.patch
@@ -9,7 +9,7 @@
   *  Copyright (C) 2011-2012 Tathagata Das <tathagata@alumnux.com>
   *
   *  This program is free software; you can redistribute  it and/or modify it
-@@ -93,7 +93,7 @@ static void bcm47xx_machine_halt(void)
+@@ -132,7 +132,7 @@ static void bcm47xx_machine_halt(void)
  }
  
  #ifdef CONFIG_BCM47XX_SSB
@@ -18,7 +18,7 @@
  {
  	char prefix[10];
  
-@@ -110,7 +110,7 @@ static int bcm47xx_get_sprom(struct ssb_
+@@ -149,7 +149,7 @@ static int bcm47xx_get_sprom(struct ssb_
  }
  
  static int bcm47xx_get_invariants(struct ssb_bus *bus,
@@ -27,7 +27,7 @@
  {
  	char buf[20];
  
-@@ -165,7 +165,7 @@ static void __init bcm47xx_register_ssb(
+@@ -204,7 +204,7 @@ static void __init bcm47xx_register_ssb(
  	char buf[100];
  	struct ssb_mipscore *mcore;
  
@@ -36,7 +36,7 @@
  	if (err)
  		printk(KERN_WARNING "bcm47xx: someone else already registered"
  			" a ssb SPROM callback handler (err %d)\n", err);
-@@ -199,10 +199,41 @@ static void __init bcm47xx_register_ssb(
+@@ -256,10 +256,41 @@ static int __init bcm47xx_register_flash
  #endif
  
  #ifdef CONFIG_BCM47XX_BCMA
diff --git a/target/linux/brcm47xx/patches-3.2/231-bcma_reorder_sprom_fill.patch b/target/linux/brcm47xx/patches-3.2/231-bcma_reorder_sprom_fill.patch
index 075f7be..f4c2e26 100644
--- a/target/linux/brcm47xx/patches-3.2/231-bcma_reorder_sprom_fill.patch
+++ b/target/linux/brcm47xx/patches-3.2/231-bcma_reorder_sprom_fill.patch
@@ -1,6 +1,6 @@
 --- a/arch/mips/bcm47xx/setup.c
 +++ b/arch/mips/bcm47xx/setup.c
-@@ -98,6 +98,7 @@ static int bcm47xx_get_sprom_ssb(struct
+@@ -137,6 +137,7 @@ static int bcm47xx_get_sprom_ssb(struct
  	char prefix[10];
  
  	if (bus->bustype == SSB_BUSTYPE_PCI) {
@@ -8,7 +8,7 @@
  		snprintf(prefix, sizeof(prefix), "pci/%u/%u/",
  			 bus->host_pci->bus->number + 1,
  			 PCI_SLOT(bus->host_pci->devfn));
-@@ -126,6 +127,7 @@ static int bcm47xx_get_invariants(struct
+@@ -165,6 +166,7 @@ static int bcm47xx_get_invariants(struct
  	if (nvram_getenv("boardrev", buf, sizeof(buf)) >= 0)
  		iv->boardinfo.rev = (u16)simple_strtoul(buf, NULL, 0);
  
@@ -16,7 +16,7 @@
  	bcm47xx_fill_sprom(&iv->sprom, NULL);
  
  	if (nvram_getenv("cardbus", buf, sizeof(buf)) >= 0)
-@@ -206,12 +208,14 @@ static int bcm47xx_get_sprom_bcma(struct
+@@ -263,12 +265,14 @@ static int bcm47xx_get_sprom_bcma(struct
  
  	switch (bus->hosttype) {
  	case BCMA_HOSTTYPE_PCI:
diff --git a/target/linux/brcm47xx/patches-3.2/400-arch-bcm47xx.patch b/target/linux/brcm47xx/patches-3.2/400-arch-bcm47xx.patch
index df98b12..a67d4b5 100644
--- a/target/linux/brcm47xx/patches-3.2/400-arch-bcm47xx.patch
+++ b/target/linux/brcm47xx/patches-3.2/400-arch-bcm47xx.patch
@@ -1,6 +1,6 @@
 --- a/arch/mips/bcm47xx/nvram.c
 +++ b/arch/mips/bcm47xx/nvram.c
-@@ -249,3 +249,30 @@ int nvram_getenv(char *name, char *val,
+@@ -264,3 +264,30 @@ int nvram_getenv(char *name, char *val,
  	return NVRAM_ERR_ENVNOTFOUND;
  }
  EXPORT_SYMBOL(nvram_getenv);
@@ -33,7 +33,7 @@
 +EXPORT_SYMBOL(nvram_get);
 --- a/arch/mips/bcm47xx/setup.c
 +++ b/arch/mips/bcm47xx/setup.c
-@@ -376,3 +376,20 @@ static int __init bcm47xx_register_flash
+@@ -384,3 +384,20 @@ static int __init bcm47xx_register_flash
  	return -1;
  }
  fs_initcall(bcm47xx_register_flash);
diff --git a/target/linux/brcm47xx/patches-3.2/820-wgt634u-nvram-fix.patch b/target/linux/brcm47xx/patches-3.2/820-wgt634u-nvram-fix.patch
index 3414ad7..dff1949 100644
--- a/target/linux/brcm47xx/patches-3.2/820-wgt634u-nvram-fix.patch
+++ b/target/linux/brcm47xx/patches-3.2/820-wgt634u-nvram-fix.patch
@@ -254,7 +254,7 @@ out the configuration than the in kernel cfe config reader.
  
  /* Probe for NVRAM header */
  static void early_nvram_init_pflash(void)
-@@ -61,6 +63,25 @@ static void early_nvram_init_pflash(void
+@@ -58,6 +60,25 @@ static void early_nvram_init_pflash(void
  		break;
  #endif
  	}
@@ -280,7 +280,7 @@ out the configuration than the in kernel cfe config reader.
  
  	off = FLASH_MIN;
  	while (off <= lim) {
-@@ -232,6 +253,12 @@ int nvram_getenv(char *name, char *val,
+@@ -247,6 +268,12 @@ int nvram_getenv(char *name, char *val,
  	if (!nvram_buf[0])
  		early_nvram_init();
  
@@ -293,7 +293,7 @@ out the configuration than the in kernel cfe config reader.
  	/* Look for name=value and return value */
  	var = &nvram_buf[sizeof(struct nvram_header)];
  	end = nvram_buf + sizeof(nvram_buf) - 2;
-@@ -260,6 +287,9 @@ char *nvram_get(const char *name)
+@@ -275,6 +302,9 @@ char *nvram_get(const char *name)
  	if (!nvram_buf[0])
  		early_nvram_init();
  
diff --git a/target/linux/brcm47xx/patches-3.2/980-wnr834b_no_cardbus_invariant.patch b/target/linux/brcm47xx/patches-3.2/980-wnr834b_no_cardbus_invariant.patch
index 58dfd8a..42f00dd 100644
--- a/target/linux/brcm47xx/patches-3.2/980-wnr834b_no_cardbus_invariant.patch
+++ b/target/linux/brcm47xx/patches-3.2/980-wnr834b_no_cardbus_invariant.patch
@@ -1,6 +1,6 @@
 --- a/arch/mips/bcm47xx/setup.c
 +++ b/arch/mips/bcm47xx/setup.c
-@@ -133,6 +133,10 @@ static int bcm47xx_get_invariants(struct
+@@ -172,6 +172,10 @@ static int bcm47xx_get_invariants(struct
  	if (nvram_getenv("cardbus", buf, sizeof(buf)) >= 0)
  		iv->has_cardbus_slot = !!simple_strtoul(buf, NULL, 10);