--- /dev/null
+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_SUSPEND_POSSIBLE=y
+CONFIG_ARCH_WANT_IPC_PARSE_VERSION=y
+CONFIG_ARCH_WANT_OPTIONAL_GPIOLIB=y
+# CONFIG_ARPD is not set
+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_GPIO=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_SFLASH=y
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
+CONFIG_CEVT_R4K=y
+CONFIG_CMDLINE="noinitrd console=ttyS0,115200"
+CONFIG_CMDLINE_BOOL=y
+# CONFIG_CMDLINE_OVERRIDE is not set
+CONFIG_CPU_GENERIC_DUMP_TLB=y
+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_R4K_CACHE_TLB=y
+CONFIG_CPU_R4K_FPU=y
+CONFIG_CPU_SUPPORTS_32BIT_KERNEL=y
+CONFIG_CPU_SUPPORTS_HIGHMEM=y
+CONFIG_CSRC_R4K=y
+CONFIG_DECOMPRESS_LZMA=y
+CONFIG_DMA_NONCOHERENT=y
+CONFIG_FW_CFE=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_ARCH_TRANSPARENT_HUGEPAGE=y
+CONFIG_HAVE_C_RECORDMCOUNT=y
+CONFIG_HAVE_DEBUG_KMEMLEAK=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_MOD_ARCH_SPECIFIC=y
+CONFIG_HAVE_NET_DSA=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_HUGE_TLB_SUPPORT is not set
+CONFIG_MIPS_L1_CACHE_SHIFT=5
+# CONFIG_MIPS_MACHINE is not set
+CONFIG_MIPS_MT_DISABLED=y
+CONFIG_MODULES_USE_ELF_REL=y
+CONFIG_MTD_BCM47XXSFLASH=y
+CONFIG_MTD_BCM47XX_PARTS=y
+CONFIG_MTD_NAND=y
+CONFIG_MTD_NAND_BCM47XXNFLASH=y
+CONFIG_MTD_NAND_ECC=y
+CONFIG_MTD_PHYSMAP=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_PERCPU_RWSEM=y
+CONFIG_PERF_USE_VMALLOC=y
+CONFIG_PHYLIB=y
+# CONFIG_PREEMPT_RCU is not set
+# CONFIG_SCSI_DMA is not set
+CONFIG_SERIAL_8250_EXTENDED=y
+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_GPIO=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_TICK_CPU_ACCOUNTING=y
+CONFIG_UIDGID_CONVERTED=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_CORE=y
+CONFIG_ZONE_DMA_FLAG=0
--- /dev/null
+--- a/drivers/mtd/bcm47xxpart.c
++++ b/drivers/mtd/bcm47xxpart.c
+@@ -23,9 +23,10 @@
+ * Amount of bytes we read when analyzing each block of flash memory.
+ * Set it big enough to allow detecting partition and reading important data.
+ */
+-#define BCM47XXPART_BYTES_TO_READ 0x404
++#define BCM47XXPART_BYTES_TO_READ 0x4e8
+
+ /* Magics */
++#define CFE_MAGIC 0x43464531 /* 1EFC */
+ #define BOARD_DATA_MAGIC 0x5246504D /* MPFR */
+ #define POT_MAGIC1 0x54544f50 /* POTT */
+ #define POT_MAGIC2 0x504f /* OP */
+@@ -93,8 +94,9 @@ static int bcm47xxpart_parse(struct mtd_
+ continue;
+ }
+
+- /* CFE has small NVRAM at 0x400 */
+- if (buf[0x400 / 4] == NVRAM_HEADER) {
++ /* Magic or small NVRAM at 0x400 */
++ if (buf[0x4e0 / 4] == CFE_MAGIC ||
++ buf[0x400 / 4] == NVRAM_HEADER) {
+ bcm47xxpart_add_part(&parts[curr_part++], "boot",
+ offset, MTD_WRITEABLE);
+ continue;
--- /dev/null
+--- a/drivers/mtd/bcm47xxpart.c
++++ b/drivers/mtd/bcm47xxpart.c
+@@ -65,6 +65,7 @@ static int bcm47xxpart_parse(struct mtd_
+ int trx_part = -1;
+ int last_trx_part = -1;
+ int possible_nvram_sizes[] = { 0x8000, 0xF000, 0x10000, };
++ bool found_nvram = false;
+
+ if (blocksize <= 0x10000)
+ blocksize = 0x10000;
+@@ -190,12 +191,23 @@ static int bcm47xxpart_parse(struct mtd_
+ if (buf[0] == NVRAM_HEADER) {
+ bcm47xxpart_add_part(&parts[curr_part++], "nvram",
+ master->size - blocksize, 0);
++ found_nvram = true;
+ break;
+ }
+ }
+
+ kfree(buf);
+
++ if (!found_nvram) {
++ pr_err("can not find a nvram partition reserve last block\n");
++ bcm47xxpart_add_part(&parts[curr_part++], "nvram_guess",
++ master->size - blocksize * 2, MTD_WRITEABLE);
++ for (i = 0; i < curr_part; i++) {
++ if (parts[i].size + parts[i].offset == master->size)
++ parts[i].offset -= blocksize * 2;
++ }
++ }
++
+ /*
+ * Assume that partitions end at the beginning of the one they are
+ * followed by.
--- /dev/null
+--- a/drivers/mtd/bcm47xxpart.c
++++ b/drivers/mtd/bcm47xxpart.c
+@@ -134,7 +134,7 @@ static int bcm47xxpart_parse(struct mtd_
+ trx = (struct trx_header *)buf;
+
+ trx_part = curr_part;
+- bcm47xxpart_add_part(&parts[curr_part++], "firmware",
++ bcm47xxpart_add_part(&parts[curr_part++], "linux",
+ offset, 0);
+
+ i = 0;
+@@ -147,7 +147,7 @@ static int bcm47xxpart_parse(struct mtd_
+ i++;
+ }
+
+- bcm47xxpart_add_part(&parts[curr_part++], "linux",
++ bcm47xxpart_add_part(&parts[curr_part++], "kernel",
+ offset + trx->offset[i], 0);
+ i++;
+
--- /dev/null
+--- a/drivers/mtd/devices/bcm47xxsflash.c
++++ b/drivers/mtd/devices/bcm47xxsflash.c
+@@ -1,47 +1,153 @@
+-#include <linux/kernel.h>
++/*
++ * 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) "bcm47xxsflash: " 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/bcma/bcma.h>
+-
+-#include "bcm47xxsflash.h"
++#include <linux/mtd/bcm47xxsflash.h>
+
+ MODULE_LICENSE("GPL");
+-MODULE_DESCRIPTION("Serial flash driver for BCMA bus");
++MODULE_DESCRIPTION("BCM47XX serial flash driver");
+
+ static const char *probes[] = { "bcm47xxpart", NULL };
+
++static int
++sflash_mtd_poll(struct bcm47xxsflash *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 bcm47xxsflash_read(struct mtd_info *mtd, loff_t from, size_t len,
+ size_t *retlen, u_char *buf)
+ {
+- struct bcm47xxsflash *b47s = mtd->priv;
++ struct bcm47xxsflash *sflash = (struct bcm47xxsflash *)mtd->priv;
+
+ /* Check address range */
++ if (!len)
++ return 0;
++
+ if ((from + len) > mtd->size)
+ return -EINVAL;
+
+- memcpy_fromio(buf, (void __iomem *)KSEG0ADDR(b47s->window + from),
++ memcpy_fromio(buf, (void __iomem *)KSEG0ADDR(sflash->window + from),
+ len);
+ *retlen = len;
+
+ return len;
+ }
+
+-static void bcm47xxsflash_fill_mtd(struct bcm47xxsflash *b47s)
++static int
++sflash_mtd_write(struct mtd_info *mtd, loff_t to, size_t len, size_t *retlen, const u_char *buf)
+ {
+- struct mtd_info *mtd = &b47s->mtd;
++ int bytes;
++ int ret;
++ struct bcm47xxsflash *sflash = (struct bcm47xxsflash *)mtd->priv;
+
+- mtd->priv = b47s;
+- mtd->name = "bcm47xxsflash";
+- mtd->owner = THIS_MODULE;
+- mtd->type = MTD_ROM;
+- mtd->size = b47s->size;
+- mtd->_read = bcm47xxsflash_read;
++ /* 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;
++ }
+
+- /* TODO: implement writing support and verify/change following code */
+- mtd->flags = MTD_CAP_ROM;
+- mtd->writebufsize = mtd->writesize = 1;
++ return 0;
++}
++
++static int
++sflash_mtd_erase(struct mtd_info *mtd, struct erase_info *erase)
++{
++ struct bcm47xxsflash *sflash = (struct bcm47xxsflash *) 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;
+ }
+
+ /**************************************************
+@@ -50,53 +156,94 @@ static void bcm47xxsflash_fill_mtd(struc
+
+ static int bcm47xxsflash_bcma_probe(struct platform_device *pdev)
+ {
+- struct bcma_sflash *sflash = dev_get_platdata(&pdev->dev);
+- struct bcm47xxsflash *b47s;
+- int err;
++ struct bcm47xxsflash *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;
++ }
+
+- b47s = kzalloc(sizeof(*b47s), GFP_KERNEL);
+- if (!b47s) {
+- err = -ENOMEM;
+- goto out;
+- }
+- sflash->priv = b47s;
+-
+- b47s->window = sflash->window;
+- b47s->blocksize = sflash->blocksize;
+- b47s->numblocks = sflash->numblocks;
+- b47s->size = sflash->size;
+- bcm47xxsflash_fill_mtd(b47s);
+-
+- err = mtd_device_parse_register(&b47s->mtd, probes, NULL, NULL, 0);
+- if (err) {
+- pr_err("Failed to register MTD device: %d\n", err);
+- goto err_dev_reg;
++ 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 = bcm47xxsflash_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_dev_reg:
+- kfree(&b47s->mtd);
+-out:
+- return err;
++err_free_eraseregions:
++ kfree(eraseregions);
++err_free_mtd:
++ kfree(mtd);
++err_out:
++ return ret;
+ }
+
+ static int bcm47xxsflash_bcma_remove(struct platform_device *pdev)
+ {
+- struct bcma_sflash *sflash = dev_get_platdata(&pdev->dev);
+- struct bcm47xxsflash *b47s = sflash->priv;
+-
+- mtd_device_unregister(&b47s->mtd);
+- kfree(b47s);
++ 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 bcm47xxsflash_table[] = {
++ { "bcm47xx-sflash", 0 },
++ { }
++};
++MODULE_DEVICE_TABLE(platform, bcm47xxsflash_table);
++
+ static struct platform_driver bcma_sflash_driver = {
++ .id_table = bcm47xxsflash_table,
+ .probe = bcm47xxsflash_bcma_probe,
+ .remove = bcm47xxsflash_bcma_remove,
+ .driver = {
+- .name = "bcma_sflash",
++ .name = "bcm47xx-sflash",
+ .owner = THIS_MODULE,
+ },
+ };
+@@ -111,8 +258,7 @@ static int __init bcm47xxsflash_init(voi
+
+ err = platform_driver_register(&bcma_sflash_driver);
+ if (err)
+- pr_err("Failed to register BCMA serial flash driver: %d\n",
+- err);
++ pr_err("error registering platform driver: %i\n", err);
+
+ return err;
+ }
+--- /dev/null
++++ b/include/linux/mtd/bcm47xxsflash.h
+@@ -0,0 +1,33 @@
++#ifndef LINUX_MTD_BCM47XX_SFLASH_H_
++#define LINUX_MTD_BCM47XX_SFLASH_H_
++
++#include <linux/mtd/mtd.h>
++
++enum bcm47xxsflash_type {
++ BCM47XX_SFLASH_SSB,
++ BCM47XX_SFLASH_BCMA,
++};
++
++struct ssb_chipcommon;
++struct bcma_drv_cc;
++
++struct bcm47xxsflash {
++ enum bcm47xxsflash_type type;
++ union {
++ struct ssb_chipcommon *scc;
++ struct bcma_drv_cc *bcc;
++ };
++
++ bool present;
++ u16 numblocks;
++ u32 window;
++ u32 blocksize;
++ u32 size;
++
++ int (*poll)(struct bcm47xxsflash *dev, u32 offset);
++ int (*write)(struct bcm47xxsflash *dev, u32 offset, u32 len, const u8 *buf);
++ int (*erase)(struct bcm47xxsflash *dev, u32 offset);
++
++ struct mtd_info *mtd;
++};
++#endif /* LINUX_MTD_BCM47XX_SFLASH_H_ */
--- /dev/null
+--- a/drivers/ssb/Kconfig
++++ b/drivers/ssb/Kconfig
+@@ -139,7 +139,7 @@ config SSB_DRIVER_MIPS
+
+ config SSB_SFLASH
+ bool "SSB serial flash support"
+- depends on SSB_DRIVER_MIPS && BROKEN
++ depends on SSB_DRIVER_MIPS
+ default y
+
+ # Assumption: We are on embedded, if we compile the MIPS core.
+--- a/drivers/ssb/driver_chipcommon_sflash.c
++++ b/drivers/ssb/driver_chipcommon_sflash.c
+@@ -1,14 +1,35 @@
+ /*
+ * Sonics Silicon Backplane
+ * 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;
+@@ -16,7 +37,7 @@ struct ssb_sflash_tbl_e {
+ u16 numblocks;
+ };
+
+-static struct ssb_sflash_tbl_e ssb_sflash_st_tbl[] = {
++static const struct ssb_sflash_tbl_e ssb_sflash_st_tbl[] = {
+ { "M25P20", 0x11, 0x10000, 4, },
+ { "M25P40", 0x12, 0x10000, 8, },
+
+@@ -27,7 +48,7 @@ static struct ssb_sflash_tbl_e ssb_sflas
+ { 0 },
+ };
+
+-static struct ssb_sflash_tbl_e ssb_sflash_sst_tbl[] = {
++static const struct ssb_sflash_tbl_e ssb_sflash_sst_tbl[] = {
+ { "SST25WF512", 1, 0x1000, 16, },
+ { "SST25VF512", 0x48, 0x1000, 16, },
+ { "SST25WF010", 2, 0x1000, 32, },
+@@ -45,7 +66,7 @@ static struct ssb_sflash_tbl_e ssb_sflas
+ { 0 },
+ };
+
+-static struct ssb_sflash_tbl_e ssb_sflash_at_tbl[] = {
++static const struct ssb_sflash_tbl_e ssb_sflash_at_tbl[] = {
+ { "AT45DB011", 0xc, 256, 512, },
+ { "AT45DB021", 0x14, 256, 1024, },
+ { "AT45DB041", 0x1c, 256, 2048, },
+@@ -70,10 +91,186 @@ static void ssb_sflash_cmd(struct ssb_ch
+ 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);
++}
++
++/* Poll for command completion. Returns zero when complete. */
++static int ssb_sflash_poll(struct bcm47xxsflash *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 bcm47xxsflash *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 bcm47xxsflash *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 bcm47xxsflash *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 bcm47xxsflash *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 access */
+ int ssb_sflash_init(struct ssb_chipcommon *cc)
+ {
+- struct ssb_sflash_tbl_e *e;
++ struct bcm47xxsflash *sflash = &cc->sflash;
++ const struct ssb_sflash_tbl_e *e;
+ u32 id, id2;
+
+ switch (cc->capabilities & SSB_CHIPCO_CAP_FLASHT) {
+@@ -131,10 +328,26 @@ int ssb_sflash_init(struct ssb_chipcommo
+ return -ENOTSUPP;
+ }
+
+- pr_info("Found %s serial flash (blocksize: 0x%X, blocks: %d)\n",
+- e->name, e->blocksize, e->numblocks);
+-
+- pr_err("Serial flash support is not implemented yet!\n");
++ sflash->window = SSB_FLASH2;
++ sflash->blocksize = e->blocksize;
++ sflash->numblocks = e->numblocks;
++ sflash->size = sflash->blocksize * sflash->numblocks;
++ sflash->present = true;
++ sflash->poll = ssb_sflash_poll;
++ sflash->write = ssb_sflash_write;
++ sflash->erase = ssb_sflash_erase;
++ sflash->type = BCM47XX_SFLASH_SSB;
++ sflash->scc = cc;
++
++ 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 -ENOTSUPP;
++ return 0;
+ }
+--- a/drivers/ssb/main.c
++++ b/drivers/ssb/main.c
+@@ -545,6 +545,15 @@ 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
++
+ #ifdef CONFIG_SSB_DRIVER_MIPS
+ if (bus->mipscore.pflash.present) {
+ err = platform_device_register(&ssb_pflash_dev);
+--- a/drivers/ssb/ssb_private.h
++++ b/drivers/ssb/ssb_private.h
+@@ -231,6 +231,7 @@ extern u32 ssb_chipco_watchdog_timer_set
+ /* driver_chipcommon_sflash.c */
+ #ifdef CONFIG_SSB_SFLASH
+ int ssb_sflash_init(struct ssb_chipcommon *cc);
++extern struct platform_device ssb_sflash_dev;
+ #else
+ static inline int ssb_sflash_init(struct ssb_chipcommon *cc)
+ {
+--- 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/bcm47xxsflash.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 */
+@@ -504,7 +517,7 @@
+ #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 */
+@@ -595,6 +608,9 @@ struct ssb_chipcommon {
+ struct ssb_chipcommon_pmu pmu;
+ u32 ticks_per_ms;
+ u32 max_timer_ms;
++#ifdef CONFIG_SSB_SFLASH
++ struct bcm47xxsflash sflash;
++#endif
+ };
+
+ static inline bool ssb_chipco_available(struct ssb_chipcommon *cc)
--- /dev/null
+--- a/drivers/bcma/driver_chipcommon_sflash.c
++++ b/drivers/bcma/driver_chipcommon_sflash.c
+@@ -1,6 +1,9 @@
+ /*
+ * 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.
+ */
+@@ -8,7 +11,11 @@
+ #include "bcma_private.h"
+
+ #include <linux/platform_device.h>
++#include <linux/delay.h>
+ #include <linux/bcma/bcma.h>
++#include <linux/bcma/bcma_driver_chipcommon.h>
++
++#define NUM_RETRIES 3
+
+ static struct resource bcma_sflash_resource = {
+ .name = "bcma_sflash",
+@@ -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 +91,186 @@ 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);
++}
++
++/* Poll for command completion. Returns zero when complete. */
++static int bcma_sflash_poll(struct bcm47xxsflash *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 bcm47xxsflash *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 bcm47xxsflash *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 bcm47xxsflash *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 bcm47xxsflash *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 bcm47xxsflash *sflash = &cc->sflash;
++ const struct bcma_sflash_tbl_e *e;
+ u32 id, id2;
+
+ switch (cc->capabilities & BCMA_CC_CAP_FLASHT) {
+@@ -150,6 +331,11 @@ int bcma_sflash_init(struct bcma_drv_cc
+ sflash->numblocks = e->numblocks;
+ sflash->size = sflash->blocksize * sflash->numblocks;
+ sflash->present = true;
++ 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
+@@ -3,6 +3,7 @@
+
+ #include <linux/platform_device.h>
+ #include <linux/gpio.h>
++#include <linux/mtd/bcm47xxsflash.h>
+
+ /** ChipCommon core registers. **/
+ #define BCMA_CC_ID 0x0000
+@@ -523,19 +524,6 @@ 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;
+- void *priv;
+-};
+-#endif
+-
+ #ifdef CONFIG_BCMA_NFLASH
+ struct mtd_info;
+
+@@ -569,7 +557,7 @@ struct bcma_drv_cc {
+ #ifdef CONFIG_BCMA_DRIVER_MIPS
+ struct bcma_pflash pflash;
+ #ifdef CONFIG_BCMA_SFLASH
+- struct bcma_sflash sflash;
++ struct bcm47xxsflash sflash;
+ #endif
+ #ifdef CONFIG_BCMA_NFLASH
+ struct bcma_nflash nflash;
--- /dev/null
+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
+
--- /dev/null
+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
+@@ -118,7 +118,6 @@ config BCM47XX
+ select NO_EXCEPT_FILL
+ select SYS_SUPPORTS_32BIT_KERNEL
+ select SYS_SUPPORTS_LITTLE_ENDIAN
+- select SYS_HAS_EARLY_PRINTK
+ help
+ Support for BCM47XX based boards
+
+--- a/arch/mips/bcm47xx/prom.c
++++ b/arch/mips/bcm47xx/prom.c
+@@ -33,96 +33,28 @@
+ #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)
+@@ -173,8 +105,6 @@ static __init void prom_init_mem(void)
+ void __init prom_init(void)
+ {
+ prom_init_cfe();
+- prom_init_console();
+- prom_init_cmdline();
+ prom_init_mem();
+ }
+
--- /dev/null
+--- 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
+@@ -51,6 +51,10 @@ 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)
+@@ -671,6 +683,8 @@ 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)
+@@ -1354,6 +1368,17 @@ 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:
+@@ -1415,6 +1440,15 @@ void __cpuinit r4k_cache_init(void)
+ extern void build_copy_page(void);
+ struct cpuinfo_mips *c = ¤t_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();
+
+@@ -1475,6 +1509,14 @@ 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
+@@ -1315,6 +1315,9 @@ 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
+@@ -1846,6 +1849,9 @@ 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
--- /dev/null
+--- a/arch/mips/include/asm/cpu-features.h
++++ b/arch/mips/include/asm/cpu-features.h
+@@ -113,6 +113,9 @@
+ #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);
--- /dev/null
+--- a/arch/mips/kernel/cpu-probe.c
++++ b/arch/mips/kernel/cpu-probe.c
+@@ -211,9 +211,6 @@ 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:
--- /dev/null
+--- 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 (bcm47xx_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;
+@@ -2101,6 +2126,8 @@ static int b44_get_invariants(struct b44
+ * 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])){
--- /dev/null
+--- 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;
--- /dev/null
+--- a/drivers/bcma/core.c
++++ b/drivers/bcma/core.c
+@@ -43,6 +43,7 @@ int bcma_core_enable(struct bcma_device
+ bcma_aread32(core, BCMA_IOCTL);
+
+ bcma_awrite32(core, BCMA_RESET_CTL, 0);
++ bcma_aread32(core, BCMA_RESET_CTL);
+ udelay(1);
+
+ bcma_awrite32(core, BCMA_IOCTL, (BCMA_IOCTL_CLK | flags));
--- /dev/null
+--- a/arch/mips/bcm47xx/Makefile
++++ b/arch/mips/bcm47xx/Makefile
+@@ -4,4 +4,5 @@
+ #
+
+ obj-y += irq.o nvram.o prom.o serial.o setup.o time.o sprom.o
++obj-y += board.o
+ obj-$(CONFIG_BCM47XX_SSB) += wgt634u.o
+--- /dev/null
++++ b/arch/mips/bcm47xx/board.c
+@@ -0,0 +1,223 @@
++#include <linux/export.h>
++#include <linux/string.h>
++#include <bcm47xx_board.h>
++#include <bcm47xx_nvram.h>
++
++struct bcm47xx_board_type {
++ const enum bcm47xx_board board;
++ const char *name;
++};
++
++struct bcm47xx_board_type_list {
++ struct bcm47xx_board_type board;
++ const char *value1;
++ const char *value2;
++};
++
++static const struct bcm47xx_board_type *bcm47xx_board = NULL;
++
++static const struct bcm47xx_board_type_list bcm47xx_board_list_model_name[] = {
++ {{BCM47XX_BOARD_DLINK_DIR130, "D-Link DIR-130"}, "DIR-130",},
++ {{BCM47XX_BOARD_DLINK_DIR330, "D-Link DIR-330"}, "DIR-330",},
++ { {0}, 0},
++};
++
++static const struct bcm47xx_board_type_list bcm47xx_board_list_model_no[] = {
++ {{BCM47XX_BOARD_ASUS_WL700GE, "Asus WL700"}, "WL700",},
++ { {0}, 0},
++};
++
++static const struct bcm47xx_board_type_list bcm47xx_board_list_hardware_version[] = {
++ {{BCM47XX_BOARD_ASUS_RTN16, "Asus RT-N16"}, "RT-N16-",},
++ {{BCM47XX_BOARD_ASUS_WL330GE, "Asus WL330GE"}, "WL330GE-",},
++ {{BCM47XX_BOARD_ASUS_WL500GPV1, "Asus WL500GP V1"}, "WL500gp-",},
++ {{BCM47XX_BOARD_ASUS_WL500GPV2, "Asus WL500GP V2"}, "WL500GPV2-",},
++ {{BCM47XX_BOARD_ASUS_WL520GC, "Asus WL520GC"}, "WL520GC-",},
++ {{BCM47XX_BOARD_ASUS_WL520GU, "Asus WL520GU"}, "WL520GU-",},
++ {{BCM47XX_BOARD_BELKIN_F7D4301, "Belkin F7D4301"}, "F7D4301",},
++ { {0}, 0},
++};
++
++static const struct bcm47xx_board_type_list bcm47xx_board_list_productid[] = {
++ {{BCM47XX_BOARD_ASUS_RTAC66U, "Asus RT-AC66U"}, "RT-AC66U",},
++ {{BCM47XX_BOARD_ASUS_RTN10D, "Asus RT-N10D"}, "RT-N10D",},
++ {{BCM47XX_BOARD_ASUS_RTN10U, "Asus RT-N10U"}, "RT-N10U",},
++ {{BCM47XX_BOARD_ASUS_RTN12, "Asus RT-N12"}, "RT-N12",},
++ {{BCM47XX_BOARD_ASUS_RTN12B1, "Asus RT-N12B1"}, "RT-N12B1",},
++ {{BCM47XX_BOARD_ASUS_RTN12C1, "Asus RT-N12C1"}, "RT-N12C1",},
++ {{BCM47XX_BOARD_ASUS_RTN12D1, "Asus RT-N12D1"}, "RT-N12D1",},
++ {{BCM47XX_BOARD_ASUS_RTN12HP, "Asus RT-N12HP"}, "RT-N12HP",},
++ {{BCM47XX_BOARD_ASUS_RTN15U, "Asus RT-N15U"}, "RT-N15U",},
++ {{BCM47XX_BOARD_ASUS_RTN16, "Asus RT-N16"}, "RT-N16",},
++ {{BCM47XX_BOARD_ASUS_RTN53, "Asus RT-N53"}, "RT-N53",},
++ {{BCM47XX_BOARD_ASUS_RTN66U, "Asus RT-N66U"}, "RT-N66U",},
++ { {0}, 0},
++};
++
++static const struct bcm47xx_board_type_list bcm47xx_board_list_ModelId[] = {
++ {{BCM47XX_BOARD_DELL_TM2300, "Dell WX-5565"}, "WX-5565",},
++ {{BCM47XX_BOARD_MOTOROLA_WE800G, "Motorola WE800G"}, "WE800G",},
++ {{BCM47XX_BOARD_MOTOROLA_WR850GP, "Motorola WR850GP"}, "WR850GP",},
++ {{BCM47XX_BOARD_MOTOROLA_WR850GV2V3, "Motorola WR850G"}, "WR850G",},
++ { {0}, 0},
++};
++
++static const struct bcm47xx_board_type_list bcm47xx_board_list_melco_id[] = {
++ {{BCM47XX_BOARD_BUFFALO_WBR2_G54, "Buffalo WBR2-G54"}, "29bb0332",},
++ {{BCM47XX_BOARD_BUFFALO_WHR2_A54G54, "Buffalo WHR2-A54G54"}, "290441dd",},
++ {{BCM47XX_BOARD_BUFFALO_WHR_G125, "Buffalo WHR-G125"}, "32093",},
++ {{BCM47XX_BOARD_BUFFALO_WHR_G54S, "Buffalo WHR-G54S"}, "30182",},
++ {{BCM47XX_BOARD_BUFFALO_WHR_HP_G54, "Buffalo WHR-HP-G54"}, "30189",},
++ {{BCM47XX_BOARD_BUFFALO_WLA2_G54L, "Buffalo WLA2-G54L"}, "29129",},
++ {{BCM47XX_BOARD_BUFFALO_WZR_G300N, "Buffalo WZR-G300N"}, "31120",},
++ {{BCM47XX_BOARD_BUFFALO_WZR_RS_G54, "Buffalo WZR-RS-G54"}, "30083",},
++ {{BCM47XX_BOARD_BUFFALO_WZR_RS_G54HP, "Buffalo WZR-RS-G54HP"}, "30103",},
++ { {0}, 0},
++};
++
++static const struct bcm47xx_board_type_list bcm47xx_board_list_boot_hw[] = {
++ {{BCM47XX_BOARD_CISCO_M10V1, "Cisco M10"}, "M10", "1.0"}, /* like WRT160N v3.0 */
++ {{BCM47XX_BOARD_CISCO_M20V1, "Cisco M20"}, "M20", "1.0"}, /* like WRT310N v2.0 */
++ {{BCM47XX_BOARD_LINKSYS_E1000V1, "Linksys E1000 V1"}, "E100", "1.0"}, /* like WRT160N v3.0 */
++ {{BCM47XX_BOARD_LINKSYS_E1000V2, "Linksys E1000 V2"}, "E1000", "2.0"},
++ {{BCM47XX_BOARD_LINKSYS_E2000V1, "Linksys E2000 V1"}, "Linksys E2000", "1.0"},
++ {{BCM47XX_BOARD_LINKSYS_E3000V1, "Linksys E3000 V1"}, "E300", "1.0"}, /* like WRT610N v2.0 */
++ {{BCM47XX_BOARD_LINKSYS_E3200V1, "Linksys E3200 V1"}, "E3200", "1.0"},
++ {{BCM47XX_BOARD_LINKSYS_E4200V1, "Linksys E4200 V1"}, "E4200", "1.0"},
++ {{BCM47XX_BOARD_LINKSYS_WRT150NV11, "Linksys WRT150N V1.1"}, "WRT150N", "1.1"},
++ {{BCM47XX_BOARD_LINKSYS_WRT150NV1, "Linksys WRT150N V1"}, "WRT150N", "1"},
++ {{BCM47XX_BOARD_LINKSYS_WRT160NV1, "Linksys WRT160N V1"}, "WRT160N", "1.0"},
++ {{BCM47XX_BOARD_LINKSYS_WRT160NV3, "Linksys WRT160N V3"}, "WRT160N", "3.0"},
++ {{BCM47XX_BOARD_LINKSYS_WRT300NV11, "Linksys WRT300N V1.1"}, "WRT300N", "1.1"},
++ {{BCM47XX_BOARD_LINKSYS_WRT310NV2, "Linksys WRT310N V2"}, "WRT310N", "2.0"},
++ {{BCM47XX_BOARD_LINKSYS_WRT54G3GV2, "Linksys WRT54G3GV2-VF"}, "WRT54G3GV2-VF", "1.0"},
++ {{BCM47XX_BOARD_LINKSYS_WRT610NV1, "Linksys WRT610N V1"}, "WRT610N", "1.0"},
++ {{BCM47XX_BOARD_LINKSYS_WRT610NV2, "Linksys WRT610N V2"}, "WRT610N", "2.0"},
++ { {0}, 0},
++};
++
++static const struct bcm47xx_board_type_list bcm47xx_board_list_board_id[] = {
++ {{BCM47XX_BOARD_NETGEAR_WGR614V8, "Netgear WGR614 V8"}, "U12H072T00_NETGEAR",},
++ {{BCM47XX_BOARD_NETGEAR_WGR614V9, "Netgear WGR614 V9"}, "U12H094T00_NETGEAR",},
++ {{BCM47XX_BOARD_NETGEAR_WNDR3300, "Netgear WNDR3300"}, "U12H093T00_NETGEAR",},
++ {{BCM47XX_BOARD_NETGEAR_WNDR3400V1, "Netgear WNDR3400 V1"}, "U12H155T00_NETGEAR",},
++ {{BCM47XX_BOARD_NETGEAR_WNDR3400V2, "Netgear WNDR3400 V2"}, "U12H187T00_NETGEAR",},
++ {{BCM47XX_BOARD_NETGEAR_WNDR3400VCNA, "Netgear WNDR3400 Vcna"}, "U12H155T01_NETGEAR",},
++ {{BCM47XX_BOARD_NETGEAR_WNDR3700V3, "Netgear WNDR3700 V3"}, "U12H194T00_NETGEAR",},
++ {{BCM47XX_BOARD_NETGEAR_WNDR4000, "Netgear WNDR4000"}, "U12H181T00_NETGEAR",},
++ {{BCM47XX_BOARD_NETGEAR_WNDR4500V1, "Netgear WNDR4500 V1"}, "U12H189T00_NETGEAR",},
++ {{BCM47XX_BOARD_NETGEAR_WNDR4500V2, "Netgear WNDR4500 V2"}, "U12H224T00_NETGEAR",},
++ {{BCM47XX_BOARD_NETGEAR_WNR2000, "Netgear WNR2000"}, "U12H114T00_NETGEAR",},
++ {{BCM47XX_BOARD_NETGEAR_WNR3500L, "Netgear WNR3500L"}, "U12H136T99_NETGEAR",},
++ {{BCM47XX_BOARD_NETGEAR_WNR3500U, "Netgear WNR3500U"}, "U12H136T00_NETGEAR",},
++ {{BCM47XX_BOARD_NETGEAR_WNR3500V2, "Netgear WNR3500 V2"}, "U12H127T00_NETGEAR",},
++ {{BCM47XX_BOARD_NETGEAR_WNR3500V2VC, "Netgear WNR3500 V2vc"}, "U12H127T70_NETGEAR",},
++ {{BCM47XX_BOARD_NETGEAR_WNR834BV2, "Netgear WNR834B V2"}, "U12H081T00_NETGEAR",},
++ { {0}, 0},
++};
++
++static const struct bcm47xx_board_type bcm47xx_board_unknown[] = {
++ {BCM47XX_BOARD_UNKNOWN, "Unknown Board"},
++};
++
++static inline int startswith(char *source, char *cmp)
++{
++ return !strncmp(source, cmp, strlen(cmp));
++}
++
++static const struct bcm47xx_board_type *bcm47xx_board_get_nvram(void)
++{
++ char buf1[30];
++ char buf2[30];
++ const struct bcm47xx_board_type_list *e;
++
++ if (bcm47xx_nvram_getenv("model_name", buf1, sizeof(buf1)) >= 0) {
++ for (e = bcm47xx_board_list_model_name; e->value1; e++) {
++ if (!strcmp(buf1, e->value1))
++ return &e->board;
++ }
++ }
++
++ if (bcm47xx_nvram_getenv("model_no", buf1, sizeof(buf1)) >= 0) {
++ for (e = bcm47xx_board_list_model_no; e->value1; e++) {
++ if (strstarts(buf1, e->value1))
++ return &e->board;
++ }
++ }
++
++ if (bcm47xx_nvram_getenv("hardware_version", buf1, sizeof(buf1)) >= 0) {
++ for (e = bcm47xx_board_list_hardware_version; e->value1; e++) {
++ if (strstarts(buf1, e->value1))
++ return &e->board;
++ }
++ }
++
++ if (bcm47xx_nvram_getenv("productid", buf1, sizeof(buf1)) >= 0) {
++ for (e = bcm47xx_board_list_productid; e->value1; e++) {
++ if (!strcmp(buf1, e->value1))
++ return &e->board;
++ }
++ }
++
++ if (bcm47xx_nvram_getenv("ModelId", buf1, sizeof(buf1)) >= 0) {
++ for (e = bcm47xx_board_list_ModelId; e->value1; e++) {
++ if (!strcmp(buf1, e->value1))
++ return &e->board;
++ }
++ }
++
++ if (bcm47xx_nvram_getenv("melco_id", buf1, sizeof(buf1)) >= 0 ||
++ bcm47xx_nvram_getenv("buf1falo_id", buf1, sizeof(buf1)) >= 0) {
++ /* buffalo hardware, check id for specific hardware matches */
++ for (e = bcm47xx_board_list_melco_id; e->value1; e++) {
++ if (!strcmp(buf1, e->value1))
++ return &e->board;
++ }
++ }
++
++ if (bcm47xx_nvram_getenv("boot_hw_model", buf1, sizeof(buf1)) >= 0 &&
++ bcm47xx_nvram_getenv("boot_hw_ver", buf2, sizeof(buf2)) >= 0) {
++ for (e = bcm47xx_board_list_boot_hw; e->value1; e++) {
++ if (!strcmp(buf1, e->value1) && !strcmp(buf2, e->value2))
++ return &e->board;
++ }
++ }
++
++ if (bcm47xx_nvram_getenv("board_id", buf1, sizeof(buf1)) >= 0) {
++ for (e = bcm47xx_board_list_board_id; e->value1; e++) {
++ if (!strcmp(buf1, e->value1))
++ return &e->board;
++ }
++ }
++ return bcm47xx_board_unknown;
++}
++
++static void bcm47xx_board_detect(void)
++{
++ char buf[15];
++
++ if (bcm47xx_board != NULL)
++ return;
++ /* check if the nvram is available */
++ if (bcm47xx_nvram_getenv("boardtype", buf, sizeof(buf)) == -ENXIO) {
++ bcm47xx_board = bcm47xx_board_unknown;
++ return;
++ }
++
++ bcm47xx_board = bcm47xx_board_get_nvram();
++ pr_info("Found board: \"%s\"\n", bcm47xx_board->name);
++}
++
++enum bcm47xx_board bcm47xx_board_get(void)
++{
++ bcm47xx_board_detect();
++ return bcm47xx_board->board;
++}
++EXPORT_SYMBOL(bcm47xx_board_get);
++
++const char *bcm47xx_board_get_name(void)
++{
++ bcm47xx_board_detect();
++ return bcm47xx_board->name;
++}
++EXPORT_SYMBOL(bcm47xx_board_get_name);
+--- /dev/null
++++ b/arch/mips/include/asm/mach-bcm47xx/bcm47xx_board.h
+@@ -0,0 +1,91 @@
++#ifndef __BCM47XX_BOARD_H
++#define __BCM47XX_BOARD_H
++
++enum bcm47xx_board {
++ BCM47XX_BOARD_ASUS_RTAC66U,
++ BCM47XX_BOARD_ASUS_RTN10D,
++ BCM47XX_BOARD_ASUS_RTN10U,
++ BCM47XX_BOARD_ASUS_RTN12,
++ BCM47XX_BOARD_ASUS_RTN12B1,
++ BCM47XX_BOARD_ASUS_RTN12C1,
++ BCM47XX_BOARD_ASUS_RTN12D1,
++ BCM47XX_BOARD_ASUS_RTN12HP,
++ BCM47XX_BOARD_ASUS_RTN15U,
++ BCM47XX_BOARD_ASUS_RTN16,
++ BCM47XX_BOARD_ASUS_RTN53,
++ BCM47XX_BOARD_ASUS_RTN66U,
++ BCM47XX_BOARD_ASUS_WL330GE,
++ BCM47XX_BOARD_ASUS_WL500GPV1,
++ BCM47XX_BOARD_ASUS_WL500GPV2,
++ BCM47XX_BOARD_ASUS_WL520GC,
++ BCM47XX_BOARD_ASUS_WL520GU,
++ BCM47XX_BOARD_ASUS_WL700GE,
++
++ BCM47XX_BOARD_BELKIN_F7D4301,
++
++ BCM47XX_BOARD_BUFFALO_WBR2_G54,
++ BCM47XX_BOARD_BUFFALO_WHR2_A54G54,
++ BCM47XX_BOARD_BUFFALO_WHR_G125,
++ BCM47XX_BOARD_BUFFALO_WHR_G54S,
++ BCM47XX_BOARD_BUFFALO_WHR_HP_G54,
++ BCM47XX_BOARD_BUFFALO_WLA2_G54L,
++ BCM47XX_BOARD_BUFFALO_WZR_G300N,
++ BCM47XX_BOARD_BUFFALO_WZR_RS_G54,
++ BCM47XX_BOARD_BUFFALO_WZR_RS_G54HP,
++
++ BCM47XX_BOARD_CISCO_M10V1,
++ BCM47XX_BOARD_CISCO_M20V1,
++
++ BCM47XX_BOARD_DELL_TM2300,
++
++ BCM47XX_BOARD_DLINK_DIR130,
++ BCM47XX_BOARD_DLINK_DIR330,
++
++ BCM47XX_BOARD_LINKSYS_E1000V1,
++ BCM47XX_BOARD_LINKSYS_E1000V2,
++ BCM47XX_BOARD_LINKSYS_E2000V1,
++ BCM47XX_BOARD_LINKSYS_E3000V1,
++ BCM47XX_BOARD_LINKSYS_E3200V1,
++ BCM47XX_BOARD_LINKSYS_E4200V1,
++ BCM47XX_BOARD_LINKSYS_WRT150NV1,
++ BCM47XX_BOARD_LINKSYS_WRT150NV11,
++ BCM47XX_BOARD_LINKSYS_WRT160NV1,
++ BCM47XX_BOARD_LINKSYS_WRT160NV3,
++ BCM47XX_BOARD_LINKSYS_WRT300NV11,
++ BCM47XX_BOARD_LINKSYS_WRT310NV2,
++ BCM47XX_BOARD_LINKSYS_WRT54G3GV2,
++ BCM47XX_BOARD_LINKSYS_WRT610NV1,
++ BCM47XX_BOARD_LINKSYS_WRT610NV2,
++
++ BCM47XX_BOARD_MOTOROLA_WE800G,
++ BCM47XX_BOARD_MOTOROLA_WR850GP,
++ BCM47XX_BOARD_MOTOROLA_WR850GV2V3,
++
++ BCM47XX_BOARD_NETGEAR_WGR614V8,
++ BCM47XX_BOARD_NETGEAR_WGR614V9,
++ BCM47XX_BOARD_NETGEAR_WNDR3300,
++ BCM47XX_BOARD_NETGEAR_WNDR3400V1,
++ BCM47XX_BOARD_NETGEAR_WNDR3400V2,
++ BCM47XX_BOARD_NETGEAR_WNDR3400VCNA,
++ BCM47XX_BOARD_NETGEAR_WNDR3700V3,
++ BCM47XX_BOARD_NETGEAR_WNDR4000,
++ BCM47XX_BOARD_NETGEAR_WNDR4500V1,
++ BCM47XX_BOARD_NETGEAR_WNDR4500V2,
++ BCM47XX_BOARD_NETGEAR_WNR2000,
++ BCM47XX_BOARD_NETGEAR_WNR3500L,
++ BCM47XX_BOARD_NETGEAR_WNR3500U,
++ BCM47XX_BOARD_NETGEAR_WNR3500V2,
++ BCM47XX_BOARD_NETGEAR_WNR3500V2VC,
++ BCM47XX_BOARD_NETGEAR_WNR834BV2,
++
++ /* TODO */
++ BCM47XX_BOARD_SIMPLETECH_SIMPLESHARE,
++
++ BCM47XX_BOARD_UNKNOWN,
++ BCM47XX_BOARD_NON,
++};
++
++extern enum bcm47xx_board bcm47xx_board_get(void);
++extern const char *bcm47xx_board_get_name(void);
++
++#endif /* __BCM47XX_BOARD_H */
--- /dev/null
+--- a/arch/mips/bcm47xx/prom.c
++++ b/arch/mips/bcm47xx/prom.c
+@@ -32,10 +32,35 @@
+ #include <asm/bootinfo.h>
+ #include <asm/fw/cfe/cfe_api.h>
+ #include <asm/fw/cfe/cfe_error.h>
++#include <bcm47xx.h>
++#include <bcm47xx_board.h>
++
++static u16 get_chip_id(void)
++{
++ switch (bcm47xx_bus_type) {
++#ifdef CONFIG_BCM47XX_SSB
++ case BCM47XX_BUS_TYPE_SSB:
++ return bcm47xx_bus.ssb.chip_id;
++#endif
++#ifdef CONFIG_BCM47XX_BCMA
++ case BCM47XX_BUS_TYPE_BCMA:
++ return bcm47xx_bus.bcma.bus.chipinfo.id;
++#endif
++ }
++ return 0;
++}
+
+ const char *get_system_type(void)
+ {
+- return "Broadcom BCM47XX";
++ static char buf[128];
++ u16 chip_id = get_chip_id();
++
++ snprintf(buf, sizeof(buf),
++ (chip_id > 0x9999) ? "Broadcom BCM%d (%s)" :
++ "Broadcom BCM%04X (%s)",
++ chip_id, bcm47xx_board_get_name());
++
++ return buf;
+ }
+
+ static __init int prom_init_cfe(void)
--- /dev/null
+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_SFLASH
+ config SSB_EMBEDDED
+ bool
+ depends on SSB_DRIVER_MIPS
++ select USB_HCD_SSB if USB_EHCI_HCD || USB_OHCI_HCD
+ default y
+
+ config SSB_DRIVER_EXTIF
--- /dev/null
+--- 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);
--- /dev/null
+--- a/arch/mips/include/asm/page.h
++++ b/arch/mips/include/asm/page.h
+@@ -46,6 +46,7 @@
+ #endif /* CONFIG_MIPS_HUGE_TLB_SUPPORT */
+
+ #include <linux/pfn.h>
++#include <asm/cpu-features.h>
+ #include <asm/io.h>
+
+ extern void build_clear_page(void);
+@@ -81,13 +82,16 @@ 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)
--- /dev/null
+--- a/arch/mips/bcm47xx/nvram.c
++++ b/arch/mips/bcm47xx/nvram.c
+@@ -190,3 +190,30 @@ int bcm47xx_nvram_getenv(char *name, cha
+ return -ENOENT;
+ }
+ EXPORT_SYMBOL(bcm47xx_nvram_getenv);
++
++char *nvram_get(const char *name)
++{
++ char *var, *value, *end, *eq;
++
++ if (!name)
++ return NULL;
++
++ if (!nvram_buf[0])
++ 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);
+--- a/arch/mips/bcm47xx/Makefile
++++ b/arch/mips/bcm47xx/Makefile
+@@ -5,4 +5,5 @@
+
+ obj-y += irq.o nvram.o prom.o serial.o setup.o time.o sprom.o
+ obj-y += board.o
++obj-y += gpio.o
+ obj-$(CONFIG_BCM47XX_SSB) += wgt634u.o
+--- /dev/null
++++ b/arch/mips/bcm47xx/gpio.c
+@@ -0,0 +1,119 @@
++/*
++ * 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>
++ * 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_embedded.h>
++#include <linux/bcma/bcma.h>
++
++#include <bcm47xx.h>
++
++/* low level BCM47xx gpio api */
++u32 bcm47xx_gpio_in(u32 mask)
++{
++ switch (bcm47xx_bus_type) {
++#ifdef CONFIG_BCM47XX_SSB
++ case BCM47XX_BUS_TYPE_SSB:
++ return ssb_gpio_in(&bcm47xx_bus.ssb, mask);
++#endif
++#ifdef CONFIG_BCM47XX_BCMA
++ case BCM47XX_BUS_TYPE_BCMA:
++ return bcma_chipco_gpio_in(&bcm47xx_bus.bcma.bus.drv_cc, mask);
++#endif
++ }
++ return -EINVAL;
++}
++EXPORT_SYMBOL(bcm47xx_gpio_in);
++
++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(bcm47xx_gpio_out);
++
++u32 bcm47xx_gpio_outen(u32 mask, u32 value)
++{
++ switch (bcm47xx_bus_type) {
++#ifdef CONFIG_BCM47XX_SSB
++ case BCM47XX_BUS_TYPE_SSB:
++ 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);
++
++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);
++
++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:
++ return bcma_chipco_gpio_intmask(&bcm47xx_bus.bcma.bus.drv_cc,
++ mask, value);
++#endif
++ }
++ return -EINVAL;
++}
++EXPORT_SYMBOL(bcm47xx_gpio_intmask);
++
++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);
+--- a/arch/mips/include/asm/mach-bcm47xx/gpio.h
++++ b/arch/mips/include/asm/mach-bcm47xx/gpio.h
+@@ -14,4 +14,11 @@ static inline int irq_to_gpio(unsigned i
+ return -EINVAL;
+ }
+
++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);
++
+ #endif
--- /dev/null
+--- a/arch/mips/bcm47xx/time.c
++++ b/arch/mips/bcm47xx/time.c
+@@ -27,10 +27,14 @@
+ #include <linux/ssb/ssb.h>
+ #include <asm/time.h>
+ #include <bcm47xx.h>
++#include <bcm47xx_nvram.h>
+
+ void __init plat_time_init(void)
+ {
+ unsigned long hz = 0;
++ u16 chip_id = 0;
++ char buf[10];
++ int len;
+
+ /*
+ * Use deterministic values for initial counter interrupt
+@@ -43,15 +47,26 @@ void __init plat_time_init(void)
+ #ifdef CONFIG_BCM47XX_SSB
+ case BCM47XX_BUS_TYPE_SSB:
+ hz = ssb_cpu_clock(&bcm47xx_bus.ssb.mipscore) / 2;
++ chip_id = bcm47xx_bus.ssb.chip_id;
+ break;
+ #endif
+ #ifdef CONFIG_BCM47XX_BCMA
+ case BCM47XX_BUS_TYPE_BCMA:
+ hz = bcma_cpu_clock(&bcm47xx_bus.bcma.bus.drv_mips) / 2;
++ chip_id = bcm47xx_bus.bcma.bus.chipinfo.id;
+ break;
+ #endif
+ }
+
++ if (chip_id == 0x5354) {
++ len = bcm47xx_nvram_getenv("clkfreq", buf, sizeof(buf));
++ if (len >= 0 && !strncmp(buf, "200", 4))
++ hz = 100000000;
++ len = bcm47xx_nvram_getenv("hardware_version", buf, sizeof(buf));
++ if (len >= 0 && !strncmp(buf, "WL520G", 6))
++ hz = 100000000;
++
++ }
+ if (!hz)
+ hz = 100000000;
+
--- /dev/null
+--- 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
--- /dev/null
+--- a/arch/mips/bcm47xx/Makefile
++++ b/arch/mips/bcm47xx/Makefile
+@@ -6,4 +6,3 @@
+ obj-y += irq.o nvram.o prom.o serial.o setup.o time.o sprom.o
+ obj-y += board.o
+ obj-y += gpio.o
+-obj-$(CONFIG_BCM47XX_SSB) += wgt634u.o
+--- a/arch/mips/bcm47xx/wgt634u.c
++++ /dev/null
+@@ -1,174 +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/ssb/ssb_embedded.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. */
+- ssb_gpio_polarity(&bcm47xx_bus.ssb, 1 << WGT634U_GPIO_RESET,
+- state ? 1 << WGT634U_GPIO_RESET : 0);
+-
+- 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;
+-
+- 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");
+-
+- 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);
+- ssb_gpio_intmask(&bcm47xx_bus.ssb,
+- 1 << WGT634U_GPIO_RESET,
+- 1 << WGT634U_GPIO_RESET);
+- 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);
--- /dev/null
+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
+@@ -6,3 +6,4 @@
+ obj-y += irq.o nvram.o prom.o serial.o setup.o time.o sprom.o
+ obj-y += board.o
+ obj-y += gpio.o
++obj-y += 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 int nvram_find_and_copy(u32 base,
+ 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 0;
++ }
++ }
++
+ /* TODO: when nvram is on nand flash check for bad blocks first. */
+ off = FLASH_MIN;
+ while (off <= lim) {
+@@ -173,6 +195,13 @@ int bcm47xx_nvram_getenv(char *name, cha
+ return err;
+ }
+
++ if (cfe_env) {
++ value = cfe_env_get(nvram_buf, name);
++ if (!value)
++ return -ENOENT;
++ return snprintf(val, val_len, "%s", value);
++ }
++
+ /* Look for name=value and return value */
+ var = &nvram_buf[sizeof(struct nvram_header)];
+ end = nvram_buf + sizeof(nvram_buf) - 2;
+@@ -201,6 +230,9 @@ char *nvram_get(const char *name)
+ if (!nvram_buf[0])
+ 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;
--- /dev/null
+--- 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
+@@ -973,6 +973,9 @@ 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 */
+@@ -1315,12 +1318,12 @@ 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
+
+@@ -1332,6 +1335,9 @@ 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_MIPS_HUGE_TLB_SUPPORT
+@@ -1849,12 +1855,12 @@ 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
+
+@@ -1893,6 +1899,9 @@ 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
+@@ -21,6 +21,19 @@
+ #include <asm/war.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; \
+@@ -53,7 +66,6 @@ NESTED(except_vec3_generic, 0, sp)
+ .set noat
+ #ifdef CONFIG_BCM47XX
+ nop
+- nop
+ #endif
+ #if R5432_CP0_INTERRUPT_WAR
+ mfc0 k0, CP0_INDEX
+@@ -78,6 +90,9 @@ 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
--- /dev/null
+--- 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 yenta_probe(struct pci_dev *d
+ 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.. */
--- /dev/null
+--- a/drivers/ssb/driver_pcicore.c
++++ b/drivers/ssb/driver_pcicore.c
+@@ -375,7 +375,7 @@ static void ssb_pcicore_init_hostmode(st
+ 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);
+ }
+
--- /dev/null
+--- a/arch/mips/bcm47xx/setup.c
++++ b/arch/mips/bcm47xx/setup.c
+@@ -120,6 +120,10 @@ static int bcm47xx_get_invariants(struct
+ if (bcm47xx_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;
+ }
+
--- /dev/null
+--- a/arch/mips/bcm47xx/nvram.c
++++ b/arch/mips/bcm47xx/nvram.c
+@@ -21,7 +21,8 @@
+ #include <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 */
+
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