brcm47xx: remove support for kernel 3.0

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@31276 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 0 insertions, 681 deletions

diff --git a/target/linux/brcm47xx/patches-3.0/0013-bcma-add-serial-flash-support-to-bcma.patch b/target/linux/brcm47xx/patches-3.0/0013-bcma-add-serial-flash-support-to-bcma.patch
deleted file mode 100644
index e78f3c457..000000000
--- a/target/linux/brcm47xx/patches-3.0/0013-bcma-add-serial-flash-support-to-bcma.patch
+++ /dev/null
@@ -1,681 +0,0 @@
-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
- 	bool
- 	depends on BCMA_DRIVER_MIPS
- 
-+config BCMA_SFLASH
-+	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
-@@ -1,5 +1,6 @@
- bcma-y					+= main.o scan.o core.o sprom.o
- bcma-y					+= driver_chipcommon.o driver_chipcommon_pmu.o
-+bcma-$(CONFIG_BCMA_SFLASH)		+= driver_chipcommon_sflash.o
- bcma-y					+= driver_pci.o
- bcma-$(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
-@@ -41,6 +41,11 @@ void bcma_chipco_serial_init(struct bcma
- u32 bcma_pmu_alp_clock(struct bcma_drv_cc *cc);
- u32 bcma_pmu_get_clockcpu(struct bcma_drv_cc *cc);
- 
-+#ifdef CONFIG_BCMA_SFLASH
-+/* driver_chipcommon_sflash.c */
-+int bcma_sflash_init(struct bcma_drv_cc *cc);
-+#endif /* CONFIG_BCMA_SFLASH */
-+
- #ifdef CONFIG_BCMA_HOST_PCI
- /* host_pci.c */
- extern int __init bcma_host_pci_init(void);
---- /dev/null
-+++ b/drivers/bcma/driver_chipcommon_sflash.c
-@@ -0,0 +1,555 @@
-+/*
-+ * Broadcom SiliconBackplane chipcommon serial flash interface
-+ *
-+ * Copyright 2011, Jonas Gorski <jonas.gorski@gmail.com>
-+ * Copyright 2010, Broadcom Corporation
-+ *
-+ * Licensed under the GNU/GPL. See COPYING for details.
-+ */
-+
-+#include <linux/bcma/bcma.h>
-+#include <linux/bcma/bcma_driver_chipcommon.h>
-+#include <linux/delay.h>
-+
-+#include "bcma_private.h"
-+
-+#define NUM_RETRIES	3
-+
-+
-+/* Issue a serial flash command */
-+static inline void bcma_sflash_cmd(struct bcma_drv_cc *cc, u32 opcode)
-+{
-+	bcma_cc_write32(cc, BCMA_CC_FLASHCTL,
-+			BCMA_CC_FLASHCTL_START | opcode);
-+	while (bcma_cc_read32(cc, BCMA_CC_FLASHCTL) & BCMA_CC_FLASHCTL_BUSY)
-+		;
-+}
-+
-+
-+static inline 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);
-+}
-+
-+/* Initialize serial flash access */
-+int bcma_sflash_init(struct bcma_drv_cc *cc)
-+{
-+	u32 id, id2;
-+
-+	memset(&cc->sflash, 0, sizeof(struct bcma_sflash));
-+
-+	switch (cc->capabilities & BCMA_CC_CAP_FLASHT) {
-+	case BCMA_CC_FLASHT_STSER:
-+		/* Probe for ST chips */
-+		bcma_sflash_cmd(cc, BCMA_CC_FLASHCTL_ST_DP);
-+		bcma_cc_write32(cc, BCMA_CC_FLASHADDR, 0);
-+		bcma_sflash_cmd(cc, BCMA_CC_FLASHCTL_ST_RES);
-+		id = bcma_cc_read32(cc, BCMA_CC_FLASHDATA);
-+		cc->sflash.blocksize = 64 * 1024;
-+		switch (id) {
-+		case 0x11:
-+			/* ST M25P20 2 Mbit Serial Flash */
-+			cc->sflash.numblocks = 4;
-+			break;
-+		case 0x12:
-+			/* ST M25P40 4 Mbit Serial Flash */
-+			cc->sflash.numblocks = 8;
-+			break;
-+		case 0x13:
-+			/* ST M25P80 8 Mbit Serial Flash */
-+			cc->sflash.numblocks = 16;
-+			break;
-+		case 0x14:
-+			/* ST M25P16 16 Mbit Serial Flash */
-+			cc->sflash.numblocks = 32;
-+			break;
-+		case 0x15:
-+			/* ST M25P32 32 Mbit Serial Flash */
-+			cc->sflash.numblocks = 64;
-+			break;
-+		case 0x16:
-+			/* ST M25P64 64 Mbit Serial Flash */
-+			cc->sflash.numblocks = 128;
-+			break;
-+		case 0x17:
-+			/* ST M25FL128 128 Mbit Serial Flash */
-+			cc->sflash.numblocks = 256;
-+			break;
-+		case 0xbf:
-+			/* All of the following flashes are SST with
-+			 * 4KB subsectors. Others should be added but
-+			 * We'll have to revamp the way we identify them
-+			 * since RES is not eough to disambiguate them.
-+			 */
-+			cc->sflash.blocksize = 4 * 1024;
-+			bcma_cc_write32(cc, BCMA_CC_FLASHADDR, 1);
-+			bcma_sflash_cmd(cc, BCMA_CC_FLASHCTL_ST_RES);
-+			id2 = bcma_cc_read32(cc, BCMA_CC_FLASHDATA);
-+			switch (id2) {
-+			case 1:
-+				/* SST25WF512 512 Kbit Serial Flash */
-+			case 0x48:
-+				/* SST25VF512 512 Kbit Serial Flash */
-+				cc->sflash.numblocks = 16;
-+				break;
-+			case 2:
-+				/* SST25WF010 1 Mbit Serial Flash */
-+			case 0x49:
-+				/* SST25VF010 1 Mbit Serial Flash */
-+				cc->sflash.numblocks = 32;
-+				break;
-+			case 3:
-+				/* SST25WF020 2 Mbit Serial Flash */
-+			case 0x43:
-+				/* SST25VF020 2 Mbit Serial Flash */
-+				cc->sflash.numblocks = 64;
-+				break;
-+			case 4:
-+				/* SST25WF040 4 Mbit Serial Flash */
-+			case 0x44:
-+				/* SST25VF040 4 Mbit Serial Flash */
-+			case 0x8d:
-+				/* SST25VF040B 4 Mbit Serial Flash */
-+				cc->sflash.numblocks = 128;
-+				break;
-+			case 5:
-+				/* SST25WF080 8 Mbit Serial Flash */
-+			case 0x8e:
-+				/* SST25VF080B 8 Mbit Serial Flash */
-+				cc->sflash.numblocks = 256;
-+				break;
-+			case 0x41:
-+				/* SST25VF016 16 Mbit Serial Flash */
-+				cc->sflash.numblocks = 512;
-+				break;
-+			case 0x4a:
-+				/* SST25VF032 32 Mbit Serial Flash */
-+				cc->sflash.numblocks = 1024;
-+				break;
-+			case 0x4b:
-+				/* SST25VF064 64 Mbit Serial Flash */
-+				cc->sflash.numblocks = 2048;
-+				break;
-+			}
-+			break;
-+		}
-+		break;
-+
-+	case BCMA_CC_FLASHT_ATSER:
-+		/* Probe for Atmel chips */
-+		bcma_sflash_cmd(cc, BCMA_CC_FLASHCTL_AT_STATUS);
-+		id = bcma_cc_read32(cc, BCMA_CC_FLASHDATA) & 0x3c;
-+		switch (id) {
-+		case 0xc:
-+			/* Atmel AT45DB011 1Mbit Serial Flash */
-+			cc->sflash.blocksize = 256;
-+			cc->sflash.numblocks = 512;
-+			break;
-+		case 0x14:
-+			/* Atmel AT45DB021 2Mbit Serial Flash */
-+			cc->sflash.blocksize = 256;
-+			cc->sflash.numblocks = 1024;
-+			break;
-+		case 0x1c:
-+			/* Atmel AT45DB041 4Mbit Serial Flash */
-+			cc->sflash.blocksize = 256;
-+			cc->sflash.numblocks = 2048;
-+			break;
-+		case 0x24:
-+			/* Atmel AT45DB081 8Mbit Serial Flash */
-+			cc->sflash.blocksize = 256;
-+			cc->sflash.numblocks = 4096;
-+			break;
-+		case 0x2c:
-+			/* Atmel AT45DB161 16Mbit Serial Flash */
-+			cc->sflash.blocksize = 512;
-+			cc->sflash.numblocks = 4096;
-+			break;
-+		case 0x34:
-+			/* Atmel AT45DB321 32Mbit Serial Flash */
-+			cc->sflash.blocksize = 512;
-+			cc->sflash.numblocks = 8192;
-+			break;
-+		case 0x3c:
-+			/* Atmel AT45DB642 64Mbit Serial Flash */
-+			cc->sflash.blocksize = 1024;
-+			cc->sflash.numblocks = 8192;
-+			break;
-+		}
-+		break;
-+	}
-+
-+	cc->sflash.size = cc->sflash.blocksize * cc->sflash.numblocks;
-+
-+	return cc->sflash.size ? 0 : -ENODEV;
-+}
-+
-+/* 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)
-+{
-+	u8 *from, *to;
-+	u32 cnt, i;
-+
-+	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;
-+
-+
-+	if (cc->core->id.rev == 12)
-+		from = (u8 *)KSEG1ADDR(BCMA_FLASH2 + offset);
-+	else
-+		from = (u8 *)KSEG0ADDR(BCMA_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. */
-+int bcma_sflash_poll(struct bcma_drv_cc *cc, u32 offset)
-+{
-+	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 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;
-+
-+
-+	/* 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++);
-+			}
-+			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;
-+		}
-+	} 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;
-+		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;
-+}
-+
-+static int sflash_at_write(struct bcma_drv_cc *cc, u32 offset, u32 len,
-+			   const u8 *buf)
-+{
-+	struct bcma_sflash *sfl = &cc->sflash;
-+	u32 page, byte, mask;
-+	int ret = 0;
-+	mask = sfl->blocksize - 1;
-+	page = (offset & ~mask) << 1;
-+	byte = offset & mask;
-+	/* Read main memory page into buffer 1 */
-+	if (byte || (len < sfl->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(cc, offset)) {
-+			udelay(10);
-+			i--;
-+		}
-+		BUG_ON(!bcma_sflash_poll(cc, offset));
-+	}
-+	/* 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);
-+	}
-+	/* 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.
-+ */
-+int bcma_sflash_write(struct bcma_drv_cc *cc, u32 offset, u32 len,
-+			    const u8 *buf)
-+{
-+	struct bcma_sflash *sfl;
-+	int ret = 0, tries = NUM_RETRIES;
-+
-+	if (!len)
-+		return 0;
-+
-+	if ((offset + len) > cc->sflash.size)
-+		return -EINVAL;
-+
-+	sfl = &cc->sflash;
-+	switch (cc->capabilities & BCMA_CC_CAP_FLASHT) {
-+	case BCMA_CC_FLASHT_STSER:
-+		do {
-+			ret = sflash_st_write(cc, 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 BCMA_CC_FLASHT_ATSER:
-+		ret = sflash_at_write(cc, offset, len, buf);
-+		break;
-+	}
-+
-+	return ret;
-+}
-+
-+/* Erase a region. Returns number of bytes scheduled for erasure.
-+ * Caller should poll for completion.
-+ */
-+int bcma_sflash_erase(struct bcma_drv_cc *cc, u32 offset)
-+{
-+	struct bcma_sflash *sfl;
-+
-+	if (offset >= cc->sflash.size)
-+		return -EINVAL;
-+
-+	sfl = &cc->sflash;
-+	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.
-+		 */
-+		bcma_sflash_cmd(cc, (sfl->blocksize < (64 * 1024)) ? BCMA_CC_FLASHCTL_ST_SSE : BCMA_CC_FLASHCTL_ST_SE);
-+		return sfl->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 sfl->blocksize;
-+	}
-+
-+	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(
- 	switch (bus->drv_cc.capabilities & BCMA_CC_CAP_FLASHT) {
- 	case BCMA_CC_FLASHT_STSER:
- 	case BCMA_CC_FLASHT_ATSER:
--		pr_err("Serial flash not supported.\n");
-+#ifdef CONFIG_BCMA_SFLASH
-+		pr_info("found serial flash.\n");
-+		bus->drv_cc.flash_type = BCMA_SFLASH;
-+		bcma_sflash_init(&bus->drv_cc);
-+#else
-+		pr_info("serial flash not supported.\n");
-+#endif /* CONFIG_BCMA_SFLASH */
- 		break;
- 	case BCMA_CC_FLASHT_PARA:
- 		pr_info("found parallel flash.\n");
---- a/include/linux/bcma/bcma_driver_chipcommon.h
-+++ b/include/linux/bcma/bcma_driver_chipcommon.h
-@@ -375,6 +375,7 @@ struct bcma_chipcommon_pmu {
- #ifdef CONFIG_BCMA_DRIVER_MIPS
- enum bcma_flash_type {
- 	BCMA_PFLASH,
-+	BCMA_SFLASH,
- };
- 
- struct bcma_pflash {
-@@ -383,6 +384,14 @@ struct bcma_pflash {
- 	u32 window_size;
- };
- 
-+#ifdef CONFIG_BCMA_SFLASH
-+struct bcma_sflash {
-+	u32 blocksize;		/* Block size */
-+	u32 numblocks;		/* Number of blocks */
-+	u32 size;		/* Total size in bytes */
-+};
-+#endif /* CONFIG_BCMA_SFLASH */
-+
- struct bcma_serial_port {
- 	void *regs;
- 	unsigned long clockspeed;
-@@ -405,6 +414,9 @@ struct bcma_drv_cc {
- 	enum bcma_flash_type flash_type;
- 	union {
- 		struct bcma_pflash pflash;
-+#ifdef CONFIG_BCMA_SFLASH
-+		struct bcma_sflash sflash;
-+#endif /* CONFIG_BCMA_SFLASH */
- 	};
- 
- 	int nr_serial_ports;
-@@ -459,4 +471,16 @@ extern void bcma_chipco_chipctl_maskset(
- extern void bcma_chipco_regctl_maskset(struct bcma_drv_cc *cc,
- 				       u32 offset, u32 mask, u32 set);
- 
-+#ifdef CONFIG_BCMA_SFLASH
-+/* Chipcommon sflash support. */
-+int bcma_sflash_read(struct bcma_drv_cc *cc, u32 offset, u32 len,
-+			   u8 *buf);
-+int bcma_sflash_poll(struct bcma_drv_cc *cc, u32 offset);
-+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_ */