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authorHauke Mehrtens <hauke@openwrt.org>2012-10-25 14:33:47 +0000
committerHauke Mehrtens <hauke@openwrt.org>2012-10-25 14:33:47 +0000
commit183c8129ef4ca3a21994a111118fa12fd9e782d2 (patch)
treebbbcac3fb6d358126698f3764c562345b210dc9c /target/linux/brcm47xx
parent1e4b9a79ca1101e33c630e1d0b53611e01baba38 (diff)
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kernel: update bcma and ssb to master-2012-10-18 from wireless-testing
* update the flash driver for bcm47xx to use the stubs already in bcma * do some misc enhancements to the flash drivers for bcm47xx git-svn-id: svn://svn.openwrt.org/openwrt/trunk@33920 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/brcm47xx')
-rw-r--r--target/linux/brcm47xx/patches-3.3/020-bcma-move-parallel-flash-into-a-union.patch129
-rw-r--r--target/linux/brcm47xx/patches-3.3/021-bcma-add-serial-flash-support-to-bcma.patch505
-rw-r--r--target/linux/brcm47xx/patches-3.3/022-ssb-move-flash-to-chipcommon.patch151
-rw-r--r--target/linux/brcm47xx/patches-3.3/023-ssb-add-serial-flash-support.patch573
-rw-r--r--target/linux/brcm47xx/patches-3.3/024-brcm47xx-add-common-interface-for-sflash.patch168
-rw-r--r--target/linux/brcm47xx/patches-3.3/028-bcm47xx-register-flash-drivers.patch136
-rw-r--r--target/linux/brcm47xx/patches-3.3/029-bcm47xx-read-nvram-from-sflash.patch143
-rw-r--r--target/linux/brcm47xx/patches-3.3/030-bcm47xx-bcma-nandflash.patch1146
-rw-r--r--target/linux/brcm47xx/patches-3.3/050-mtd-add-bcm47xx-part-parser.patch (renamed from target/linux/brcm47xx/patches-3.3/025-mtd-bcm47xx-add-bcm47xx-part-parser.patch)0
-rw-r--r--target/linux/brcm47xx/patches-3.3/051-mtd-add-parallel-flash-driver.patch (renamed from target/linux/brcm47xx/patches-3.3/026-mtd-bcm47xx-add-parallel-flash-driver.patch)48
-rw-r--r--target/linux/brcm47xx/patches-3.3/052-mtd-add-serial-flash-driver.patch (renamed from target/linux/brcm47xx/patches-3.3/027-mtd-bcm47xx-add-serial-flash-driver.patch)60
-rw-r--r--target/linux/brcm47xx/patches-3.3/053-mtd-add-nand-flash-driver.patch710
-rw-r--r--target/linux/brcm47xx/patches-3.3/060-ssb-add-serial-flash-driver.patch527
-rw-r--r--target/linux/brcm47xx/patches-3.3/061-ssb-register-parallel-flash-device.patch76
-rw-r--r--target/linux/brcm47xx/patches-3.3/070-bcma-add-functions-to-write-to-serial-flash.patch345
-rw-r--r--target/linux/brcm47xx/patches-3.3/071-bcma-add-functions-to-write-to-nand-flash.patch232
-rw-r--r--target/linux/brcm47xx/patches-3.3/072-bcma-register-parallel-flash-device.patch67
-rw-r--r--target/linux/brcm47xx/patches-3.3/080-MIPS-BCM47XX-rewrite-nvram-probing.patch183
-rw-r--r--target/linux/brcm47xx/patches-3.3/114-MIPS-BCM47xx-Setup-and-register-serial-early.patch10
-rw-r--r--target/linux/brcm47xx/patches-3.3/194-MIPS-BCM47XX-read-sprom-without-prefix-if-no-ieee802.patch2
-rw-r--r--target/linux/brcm47xx/patches-3.3/195-MIPS-BCM47xx-sprom-read-values-without-prefix-as-fal.patch6
-rw-r--r--target/linux/brcm47xx/patches-3.3/201-bcma-just-do-the-necessary-things-in-early-register.patch181
-rw-r--r--target/linux/brcm47xx/patches-3.3/202-bcma-init-sprom-struct-earlier.patch37
-rw-r--r--target/linux/brcm47xx/patches-3.3/204-bcma-do-not-initialize-deactivated-PCIe-cores.patch26
-rw-r--r--target/linux/brcm47xx/patches-3.3/280-activate_ssb_support_in_usb.patch8
-rw-r--r--target/linux/brcm47xx/patches-3.3/400-arch-bcm47xx.patch2
-rw-r--r--target/linux/brcm47xx/patches-3.3/501-bcma-add-gpio-driver.patch4
-rw-r--r--target/linux/brcm47xx/patches-3.3/502-bcm47xx-rewrite-gpio-handling.patch4
-rw-r--r--target/linux/brcm47xx/patches-3.3/812-disable_wgt634u_crap.patch16
-rw-r--r--target/linux/brcm47xx/patches-3.3/820-wgt634u-nvram-fix.patch26
-rw-r--r--target/linux/brcm47xx/patches-3.3/980-wnr834b_no_cardbus_invariant.patch2
-rw-r--r--target/linux/brcm47xx/patches-3.3/999-wl_exports.patch6
32 files changed, 2263 insertions, 3266 deletions
diff --git a/target/linux/brcm47xx/patches-3.3/020-bcma-move-parallel-flash-into-a-union.patch b/target/linux/brcm47xx/patches-3.3/020-bcma-move-parallel-flash-into-a-union.patch
deleted file mode 100644
index 98c855fbd8..0000000000
--- a/target/linux/brcm47xx/patches-3.3/020-bcma-move-parallel-flash-into-a-union.patch
+++ /dev/null
@@ -1,129 +0,0 @@
---- a/arch/mips/bcm47xx/nvram.c
-+++ b/arch/mips/bcm47xx/nvram.c
-@@ -50,6 +50,9 @@ static void early_nvram_init(void)
- #ifdef CONFIG_BCM47XX_BCMA
- case BCM47XX_BUS_TYPE_BCMA:
- bcma_cc = &bcm47xx_bus.bcma.bus.drv_cc;
-+ if (bcma_cc->flash_type != BCMA_PFLASH)
-+ return;
-+
- base = bcma_cc->pflash.window;
- lim = bcma_cc->pflash.window_size;
- break;
---- a/drivers/bcma/driver_mips.c
-+++ b/drivers/bcma/driver_mips.c
-@@ -189,6 +189,7 @@ static void bcma_core_mips_flash_detect(
- break;
- case BCMA_CC_FLASHT_PARA:
- bcma_info(bus, "found parallel flash.\n");
-+ bus->drv_cc.flash_type = BCMA_PFLASH;
- bus->drv_cc.pflash.window = 0x1c000000;
- bus->drv_cc.pflash.window_size = 0x02000000;
-
---- a/include/linux/bcma/bcma_driver_chipcommon.h
-+++ b/include/linux/bcma/bcma_driver_chipcommon.h
-@@ -122,10 +122,68 @@
- #define BCMA_CC_JCTL_EXT_EN 2 /* Enable external targets */
- #define BCMA_CC_JCTL_EN 1 /* Enable Jtag master */
- #define BCMA_CC_FLASHCTL 0x0040
-+
-+/* Start/busy bit in flashcontrol */
-+#define BCMA_CC_FLASHCTL_OPCODE 0x000000ff
-+#define BCMA_CC_FLASHCTL_ACTION 0x00000700
-+#define BCMA_CC_FLASHCTL_CS_ACTIVE 0x00001000 /* Chip Select Active, rev >= 20 */
- #define BCMA_CC_FLASHCTL_START 0x80000000
- #define BCMA_CC_FLASHCTL_BUSY BCMA_CC_FLASHCTL_START
-+
-+/* flashcontrol action+opcodes for ST flashes */
-+#define BCMA_CC_FLASHCTL_ST_WREN 0x0006 /* Write Enable */
-+#define BCMA_CC_FLASHCTL_ST_WRDIS 0x0004 /* Write Disable */
-+#define BCMA_CC_FLASHCTL_ST_RDSR 0x0105 /* Read Status Register */
-+#define BCMA_CC_FLASHCTL_ST_WRSR 0x0101 /* Write Status Register */
-+#define BCMA_CC_FLASHCTL_ST_READ 0x0303 /* Read Data Bytes */
-+#define BCMA_CC_FLASHCTL_ST_PP 0x0302 /* Page Program */
-+#define BCMA_CC_FLASHCTL_ST_SE 0x02d8 /* Sector Erase */
-+#define BCMA_CC_FLASHCTL_ST_BE 0x00c7 /* Bulk Erase */
-+#define BCMA_CC_FLASHCTL_ST_DP 0x00b9 /* Deep Power-down */
-+#define BCMA_CC_FLASHCTL_ST_RES 0x03ab /* Read Electronic Signature */
-+#define BCMA_CC_FLASHCTL_ST_CSA 0x1000 /* Keep chip select asserted */
-+#define BCMA_CC_FLASHCTL_ST_SSE 0x0220 /* Sub-sector Erase */
-+
-+
-+/* flashcontrol action+opcodes for Atmel flashes */
-+#define BCMA_CC_FLASHCTL_AT_READ 0x07e8
-+#define BCMA_CC_FLASHCTL_AT_PAGE_READ 0x07d2
-+#define BCMA_CC_FLASHCTL_AT_BUF1_READ
-+#define BCMA_CC_FLASHCTL_AT_BUF2_READ
-+#define BCMA_CC_FLASHCTL_AT_STATUS 0x01d7
-+#define BCMA_CC_FLASHCTL_AT_BUF1_WRITE 0x0384
-+#define BCMA_CC_FLASHCTL_AT_BUF2_WRITE 0x0387
-+#define BCMA_CC_FLASHCTL_AT_BUF1_ERASE_PROGRAM 0x0283
-+#define BCMA_CC_FLASHCTL_AT_BUF2_ERASE_PROGRAM 0x0286
-+#define BCMA_CC_FLASHCTL_AT_BUF1_PROGRAM 0x0288
-+#define BCMA_CC_FLASHCTL_AT_BUF2_PROGRAM 0x0289
-+#define BCMA_CC_FLASHCTL_AT_PAGE_ERASE 0x0281
-+#define BCMA_CC_FLASHCTL_AT_BLOCK_ERASE 0x0250
-+#define BCMA_CC_FLASHCTL_AT_BUF1_WRITE_ERASE_PROGRAM 0x0382
-+#define BCMA_CC_FLASHCTL_AT_BUF2_WRITE_ERASE_PROGRAM 0x0385
-+#define BCMA_CC_FLASHCTL_AT_BUF1_LOAD 0x0253
-+#define BCMA_CC_FLASHCTL_AT_BUF2_LOAD 0x0255
-+#define BCMA_CC_FLASHCTL_AT_BUF1_COMPARE 0x0260
-+#define BCMA_CC_FLASHCTL_AT_BUF2_COMPARE 0x0261
-+#define BCMA_CC_FLASHCTL_AT_BUF1_REPROGRAM 0x0258
-+#define BCMA_CC_FLASHCTL_AT_BUF2_REPROGRAM 0x0259
-+
- #define BCMA_CC_FLASHADDR 0x0044
- #define BCMA_CC_FLASHDATA 0x0048
-+
-+/* Status register bits for ST flashes */
-+#define BCMA_CC_FLASHDATA_ST_WIP 0x01 /* Write In Progress */
-+#define BCMA_CC_FLASHDATA_ST_WEL 0x02 /* Write Enable Latch */
-+#define BCMA_CC_FLASHDATA_ST_BP_MASK 0x1c /* Block Protect */
-+#define BCMA_CC_FLASHDATA_ST_BP_SHIFT 2
-+#define BCMA_CC_FLASHDATA_ST_SRWD 0x80 /* Status Register Write Disable */
-+
-+/* Status register bits for Atmel flashes */
-+#define BCMA_CC_FLASHDATA_AT_READY 0x80
-+#define BCMA_CC_FLASHDATA_AT_MISMATCH 0x40
-+#define BCMA_CC_FLASHDATA_AT_ID_MASK 0x38
-+#define BCMA_CC_FLASHDATA_AT_ID_SHIFT 3
-+
- #define BCMA_CC_BCAST_ADDR 0x0050
- #define BCMA_CC_BCAST_DATA 0x0054
- #define BCMA_CC_GPIOPULLUP 0x0058 /* Rev >= 20 only */
-@@ -360,6 +418,12 @@
- /* 4313 Chip specific ChipControl register bits */
- #define BCMA_CCTRL_4313_12MA_LED_DRIVE 0x00000007 /* 12 mA drive strengh for later 4313 */
-
-+#define BCMA_FLASH2 0x1c000000 /* Flash Region 2 (region 1 shadowed here) */
-+#define BCMA_FLASH2_SZ 0x02000000 /* Size of Flash Region 2 */
-+#define BCMA_FLASH1 0x1fc00000 /* MIPS Flash Region 1 */
-+#define BCMA_FLASH1_SZ 0x00400000 /* MIPS Size of Flash Region 1 */
-+
-+
- /* Data for the PMU, if available.
- * Check availability with ((struct bcma_chipcommon)->capabilities & BCMA_CC_CAP_PMU)
- */
-@@ -369,6 +433,10 @@ struct bcma_chipcommon_pmu {
- };
-
- #ifdef CONFIG_BCMA_DRIVER_MIPS
-+enum bcma_flash_type {
-+ BCMA_PFLASH,
-+};
-+
- struct bcma_pflash {
- u8 buswidth;
- u32 window;
-@@ -394,7 +462,10 @@ struct bcma_drv_cc {
- u16 fast_pwrup_delay;
- struct bcma_chipcommon_pmu pmu;
- #ifdef CONFIG_BCMA_DRIVER_MIPS
-- struct bcma_pflash pflash;
-+ enum bcma_flash_type flash_type;
-+ union {
-+ struct bcma_pflash pflash;
-+ };
-
- int nr_serial_ports;
- struct bcma_serial_port serial_ports[4];
diff --git a/target/linux/brcm47xx/patches-3.3/021-bcma-add-serial-flash-support-to-bcma.patch b/target/linux/brcm47xx/patches-3.3/021-bcma-add-serial-flash-support-to-bcma.patch
deleted file mode 100644
index 7382636b3d..0000000000
--- a/target/linux/brcm47xx/patches-3.3/021-bcma-add-serial-flash-support-to-bcma.patch
+++ /dev/null
@@ -1,505 +0,0 @@
---- a/drivers/bcma/Kconfig
-+++ b/drivers/bcma/Kconfig
-@@ -38,6 +38,11 @@ config BCMA_HOST_SOC
- bool
- depends on BCMA_DRIVER_MIPS
-
-+config BCMA_SFLASH
-+ bool
-+ depends on BCMA_DRIVER_MIPS
-+ default y
-+
- config BCMA_DRIVER_MIPS
- bool "BCMA Broadcom MIPS core driver"
- depends on BCMA && MIPS
---- a/drivers/bcma/Makefile
-+++ b/drivers/bcma/Makefile
-@@ -1,5 +1,6 @@
- bcma-y += main.o scan.o core.o sprom.o
- bcma-y += driver_chipcommon.o driver_chipcommon_pmu.o
-+bcma-$(CONFIG_BCMA_SFLASH) += driver_chipcommon_sflash.o
- bcma-y += driver_pci.o
- bcma-$(CONFIG_BCMA_DRIVER_PCI_HOSTMODE) += driver_pci_host.o
- bcma-$(CONFIG_BCMA_DRIVER_MIPS) += driver_mips.o
---- a/drivers/bcma/bcma_private.h
-+++ b/drivers/bcma/bcma_private.h
-@@ -51,6 +51,11 @@ void bcma_chipco_serial_init(struct bcma
- u32 bcma_pmu_alp_clock(struct bcma_drv_cc *cc);
- u32 bcma_pmu_get_clockcpu(struct bcma_drv_cc *cc);
-
-+#ifdef CONFIG_BCMA_SFLASH
-+/* driver_chipcommon_sflash.c */
-+int bcma_sflash_init(struct bcma_drv_cc *cc);
-+#endif /* CONFIG_BCMA_SFLASH */
-+
- #ifdef CONFIG_BCMA_HOST_PCI
- /* host_pci.c */
- extern int __init bcma_host_pci_init(void);
---- /dev/null
-+++ b/drivers/bcma/driver_chipcommon_sflash.c
-@@ -0,0 +1,398 @@
-+/*
-+ * Broadcom SiliconBackplane chipcommon serial flash interface
-+ *
-+ * Copyright 2011, Jonas Gorski <jonas.gorski@gmail.com>
-+ * Copyright 2011, 2012, Hauke Mehrtens <hauke@hauke-m.de>
-+ * Copyright 2010, Broadcom Corporation
-+ *
-+ * Licensed under the GNU/GPL. See COPYING for details.
-+ */
-+
-+#include <linux/bcma/bcma.h>
-+#include <linux/bcma/bcma_driver_chipcommon.h>
-+#include <linux/delay.h>
-+
-+#include "bcma_private.h"
-+
-+#define NUM_RETRIES 3
-+
-+
-+/* Issue a serial flash command */
-+static inline void bcma_sflash_cmd(struct bcma_drv_cc *cc, u32 opcode)
-+{
-+ bcma_cc_write32(cc, BCMA_CC_FLASHCTL,
-+ BCMA_CC_FLASHCTL_START | opcode);
-+ while (bcma_cc_read32(cc, BCMA_CC_FLASHCTL) & BCMA_CC_FLASHCTL_BUSY)
-+ ;
-+}
-+
-+
-+static inline void bcma_sflash_write_u8(struct bcma_drv_cc *cc,
-+ u32 offset, u8 byte)
-+{
-+ bcma_cc_write32(cc, BCMA_CC_FLASHADDR, offset);
-+ bcma_cc_write32(cc, BCMA_CC_FLASHDATA, byte);
-+}
-+
-+/* Initialize serial flash access */
-+int bcma_sflash_init(struct bcma_drv_cc *cc)
-+{
-+ u32 id, id2;
-+
-+ memset(&cc->sflash, 0, sizeof(struct bcma_sflash));
-+
-+ switch (cc->capabilities & BCMA_CC_CAP_FLASHT) {
-+ case BCMA_CC_FLASHT_STSER:
-+ /* Probe for ST chips */
-+ bcma_sflash_cmd(cc, BCMA_CC_FLASHCTL_ST_DP);
-+ bcma_cc_write32(cc, BCMA_CC_FLASHADDR, 0);
-+ bcma_sflash_cmd(cc, BCMA_CC_FLASHCTL_ST_RES);
-+ id = bcma_cc_read32(cc, BCMA_CC_FLASHDATA);
-+ cc->sflash.blocksize = 64 * 1024;
-+ switch (id) {
-+ case 0x11:
-+ /* ST M25P20 2 Mbit Serial Flash */
-+ cc->sflash.numblocks = 4;
-+ break;
-+ case 0x12:
-+ /* ST M25P40 4 Mbit Serial Flash */
-+ cc->sflash.numblocks = 8;
-+ break;
-+ case 0x13:
-+ /* ST M25P80 8 Mbit Serial Flash */
-+ cc->sflash.numblocks = 16;
-+ break;
-+ case 0x14:
-+ /* ST M25P16 16 Mbit Serial Flash */
-+ cc->sflash.numblocks = 32;
-+ break;
-+ case 0x15:
-+ /* ST M25P32 32 Mbit Serial Flash */
-+ cc->sflash.numblocks = 64;
-+ break;
-+ case 0x16:
-+ /* ST M25P64 64 Mbit Serial Flash */
-+ cc->sflash.numblocks = 128;
-+ break;
-+ case 0x17:
-+ /* ST M25FL128 128 Mbit Serial Flash */
-+ cc->sflash.numblocks = 256;
-+ break;
-+ case 0xbf:
-+ /* All of the following flashes are SST with
-+ * 4KB subsectors. Others should be added but
-+ * We'll have to revamp the way we identify them
-+ * since RES is not eough to disambiguate them.
-+ */
-+ cc->sflash.blocksize = 4 * 1024;
-+ bcma_cc_write32(cc, BCMA_CC_FLASHADDR, 1);
-+ bcma_sflash_cmd(cc, BCMA_CC_FLASHCTL_ST_RES);
-+ id2 = bcma_cc_read32(cc, BCMA_CC_FLASHDATA);
-+ switch (id2) {
-+ case 1:
-+ /* SST25WF512 512 Kbit Serial Flash */
-+ case 0x48:
-+ /* SST25VF512 512 Kbit Serial Flash */
-+ cc->sflash.numblocks = 16;
-+ break;
-+ case 2:
-+ /* SST25WF010 1 Mbit Serial Flash */
-+ case 0x49:
-+ /* SST25VF010 1 Mbit Serial Flash */
-+ cc->sflash.numblocks = 32;
-+ break;
-+ case 3:
-+ /* SST25WF020 2 Mbit Serial Flash */
-+ case 0x43:
-+ /* SST25VF020 2 Mbit Serial Flash */
-+ cc->sflash.numblocks = 64;
-+ break;
-+ case 4:
-+ /* SST25WF040 4 Mbit Serial Flash */
-+ case 0x44:
-+ /* SST25VF040 4 Mbit Serial Flash */
-+ case 0x8d:
-+ /* SST25VF040B 4 Mbit Serial Flash */
-+ cc->sflash.numblocks = 128;
-+ break;
-+ case 5:
-+ /* SST25WF080 8 Mbit Serial Flash */
-+ case 0x8e:
-+ /* SST25VF080B 8 Mbit Serial Flash */
-+ cc->sflash.numblocks = 256;
-+ break;
-+ case 0x41:
-+ /* SST25VF016 16 Mbit Serial Flash */
-+ cc->sflash.numblocks = 512;
-+ break;
-+ case 0x4a:
-+ /* SST25VF032 32 Mbit Serial Flash */
-+ cc->sflash.numblocks = 1024;
-+ break;
-+ case 0x4b:
-+ /* SST25VF064 64 Mbit Serial Flash */
-+ cc->sflash.numblocks = 2048;
-+ break;
-+ }
-+ break;
-+ }
-+ break;
-+
-+ case BCMA_CC_FLASHT_ATSER:
-+ /* Probe for Atmel chips */
-+ bcma_sflash_cmd(cc, BCMA_CC_FLASHCTL_AT_STATUS);
-+ id = bcma_cc_read32(cc, BCMA_CC_FLASHDATA) & 0x3c;
-+ switch (id) {
-+ case 0xc:
-+ /* Atmel AT45DB011 1Mbit Serial Flash */
-+ cc->sflash.blocksize = 256;
-+ cc->sflash.numblocks = 512;
-+ break;
-+ case 0x14:
-+ /* Atmel AT45DB021 2Mbit Serial Flash */
-+ cc->sflash.blocksize = 256;
-+ cc->sflash.numblocks = 1024;
-+ break;
-+ case 0x1c:
-+ /* Atmel AT45DB041 4Mbit Serial Flash */
-+ cc->sflash.blocksize = 256;
-+ cc->sflash.numblocks = 2048;
-+ break;
-+ case 0x24:
-+ /* Atmel AT45DB081 8Mbit Serial Flash */
-+ cc->sflash.blocksize = 256;
-+ cc->sflash.numblocks = 4096;
-+ break;
-+ case 0x2c:
-+ /* Atmel AT45DB161 16Mbit Serial Flash */
-+ cc->sflash.blocksize = 512;
-+ cc->sflash.numblocks = 4096;
-+ break;
-+ case 0x34:
-+ /* Atmel AT45DB321 32Mbit Serial Flash */
-+ cc->sflash.blocksize = 512;
-+ cc->sflash.numblocks = 8192;
-+ break;
-+ case 0x3c:
-+ /* Atmel AT45DB642 64Mbit Serial Flash */
-+ cc->sflash.blocksize = 1024;
-+ cc->sflash.numblocks = 8192;
-+ break;
-+ }
-+ break;
-+ }
-+
-+ cc->sflash.size = cc->sflash.blocksize * cc->sflash.numblocks;
-+
-+ return cc->sflash.size ? 0 : -ENODEV;
-+}
-+
-+/* Read len bytes starting at offset into buf. Returns number of bytes read. */
-+int bcma_sflash_read(struct bcma_drv_cc *cc, u32 offset, u32 len, u8 *buf)
-+{
-+ u8 *from, *to;
-+ u32 cnt, i;
-+
-+ if (!len)
-+ return 0;
-+
-+ if ((offset + len) > cc->sflash.size)
-+ return -EINVAL;
-+
-+ if ((len >= 4) && (offset & 3))
-+ cnt = 4 - (offset & 3);
-+ else if ((len >= 4) && ((u32)buf & 3))
-+ cnt = 4 - ((u32)buf & 3);
-+ else
-+ cnt = len;
-+
-+ from = (u8 *)KSEG0ADDR(BCMA_FLASH2 + offset);
-+
-+ to = (u8 *)buf;
-+
-+ if (cnt < 4) {
-+ for (i = 0; i < cnt; i++) {
-+ *to = readb(from);
-+ from++;
-+ to++;
-+ }
-+ return cnt;
-+ }
-+
-+ while (cnt >= 4) {
-+ *(u32 *)to = readl(from);
-+ from += 4;
-+ to += 4;
-+ cnt -= 4;
-+ }
-+
-+ return len - cnt;
-+}
-+
-+/* Poll for command completion. Returns zero when complete. */
-+int bcma_sflash_poll(struct bcma_drv_cc *cc, u32 offset)
-+{
-+ if (offset >= cc->sflash.size)
-+ return -22;
-+
-+ switch (cc->capabilities & BCMA_CC_CAP_FLASHT) {
-+ case BCMA_CC_FLASHT_STSER:
-+ /* Check for ST Write In Progress bit */
-+ bcma_sflash_cmd(cc, BCMA_CC_FLASHCTL_ST_RDSR);
-+ return bcma_cc_read32(cc, BCMA_CC_FLASHDATA)
-+ & BCMA_CC_FLASHDATA_ST_WIP;
-+ case BCMA_CC_FLASHT_ATSER:
-+ /* Check for Atmel Ready bit */
-+ bcma_sflash_cmd(cc, BCMA_CC_FLASHCTL_AT_STATUS);
-+ return !(bcma_cc_read32(cc, BCMA_CC_FLASHDATA)
-+ & BCMA_CC_FLASHDATA_AT_READY);
-+ }
-+
-+ return 0;
-+}
-+
-+
-+static int sflash_st_write(struct bcma_drv_cc *cc, u32 offset, u32 len,
-+ const u8 *buf)
-+{
-+ int written = 1;
-+
-+ /* 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(cc, 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(cc, offset)) {
-+ /* Flash rejected command */
-+ return -EAGAIN;
-+ }
-+ return written;
-+}
-+
-+static int sflash_at_write(struct bcma_drv_cc *cc, u32 offset, u32 len,
-+ const u8 *buf)
-+{
-+ struct bcma_sflash *sfl = &cc->sflash;
-+ u32 page, byte, mask;
-+ int ret = 0;
-+
-+ mask = sfl->blocksize - 1;
-+ page = (offset & ~mask) << 1;
-+ byte = offset & mask;
-+ /* Read main memory page into buffer 1 */
-+ if (byte || (len < sfl->blocksize)) {
-+ int i = 100;
-+ bcma_cc_write32(cc, BCMA_CC_FLASHADDR, page);
-+ bcma_sflash_cmd(cc, BCMA_CC_FLASHCTL_AT_BUF1_LOAD);
-+ /* 250 us for AT45DB321B */
-+ while (i > 0 && bcma_sflash_poll(cc, offset)) {
-+ udelay(10);
-+ i--;
-+ }
-+ BUG_ON(!bcma_sflash_poll(cc, offset));
-+ }
-+ /* Write into buffer 1 */
-+ for (ret = 0; (ret < (int)len) && (byte < sfl->blocksize); ret++) {
-+ bcma_sflash_write_u8(cc, byte++, *buf++);
-+ bcma_sflash_cmd(cc, BCMA_CC_FLASHCTL_AT_BUF1_WRITE);
-+ }
-+ /* Write buffer 1 into main memory page */
-+ bcma_cc_write32(cc, BCMA_CC_FLASHADDR, page);
-+ bcma_sflash_cmd(cc, BCMA_CC_FLASHCTL_AT_BUF1_PROGRAM);
-+
-+ return ret;
-+}
-+
-+/* Write len bytes starting at offset into buf. Returns number of bytes
-+ * written. Caller should poll for completion.
-+ */
-+int bcma_sflash_write(struct bcma_drv_cc *cc, u32 offset, u32 len,
-+ const u8 *buf)
-+{
-+ struct bcma_sflash *sfl;
-+ int ret = 0, tries = NUM_RETRIES;
-+
-+ if (!len)
-+ return 0;
-+
-+ if ((offset + len) > cc->sflash.size)
-+ return -EINVAL;
-+
-+ sfl = &cc->sflash;
-+ switch (cc->capabilities & BCMA_CC_CAP_FLASHT) {
-+ case BCMA_CC_FLASHT_STSER:
-+ do {
-+ ret = sflash_st_write(cc, offset, len, buf);
-+ tries--;
-+ } while (ret == -EAGAIN && tries > 0);
-+
-+ if (ret == -EAGAIN && tries == 0) {
-+ bcma_info(cc->core->bus, "ST Flash rejected write\n");
-+ ret = -EIO;
-+ }
-+ break;
-+ case BCMA_CC_FLASHT_ATSER:
-+ ret = sflash_at_write(cc, offset, len, buf);
-+ break;
-+ }
-+
-+ return ret;
-+}
-+
-+/* Erase a region. Returns number of bytes scheduled for erasure.
-+ * Caller should poll for completion.
-+ */
-+int bcma_sflash_erase(struct bcma_drv_cc *cc, u32 offset)
-+{
-+ struct bcma_sflash *sfl;
-+
-+ if (offset >= cc->sflash.size)
-+ return -EINVAL;
-+
-+ sfl = &cc->sflash;
-+ switch (cc->capabilities & BCMA_CC_CAP_FLASHT) {
-+ case BCMA_CC_FLASHT_STSER:
-+ bcma_sflash_cmd(cc, BCMA_CC_FLASHCTL_ST_WREN);
-+ bcma_cc_write32(cc, BCMA_CC_FLASHADDR, offset);
-+ /* Newer flashes have "sub-sectors" which can be erased independently
-+ * with a new command: ST_SSE. The ST_SE command erases 64KB just as
-+ * before.
-+ */
-+ if (sfl->blocksize < (64 * 1024))
-+ bcma_sflash_cmd(cc, BCMA_CC_FLASHCTL_ST_SSE);
-+ else
-+ bcma_sflash_cmd(cc, BCMA_CC_FLASHCTL_ST_SE);
-+ return sfl->blocksize;
-+ case BCMA_CC_FLASHT_ATSER:
-+ bcma_cc_write32(cc, BCMA_CC_FLASHADDR, offset << 1);
-+ bcma_sflash_cmd(cc, BCMA_CC_FLASHCTL_AT_PAGE_ERASE);
-+ return sfl->blocksize;
-+ }
-+
-+ return 0;
-+}
---- a/drivers/bcma/driver_mips.c
-+++ b/drivers/bcma/driver_mips.c
-@@ -185,7 +185,13 @@ static void bcma_core_mips_flash_detect(
- switch (bus->drv_cc.capabilities & BCMA_CC_CAP_FLASHT) {
- case BCMA_CC_FLASHT_STSER:
- case BCMA_CC_FLASHT_ATSER:
-- bcma_err(bus, "Serial flash not supported.\n");
-+#ifdef CONFIG_BCMA_SFLASH
-+ bcma_info(bus, "found serial flash.\n");
-+ bus->drv_cc.flash_type = BCMA_SFLASH;
-+ bcma_sflash_init(&bus->drv_cc);
-+#else
-+ bcma_info(bus, "serial flash not supported.\n");
-+#endif /* CONFIG_BCMA_SFLASH */
- break;
- case BCMA_CC_FLASHT_PARA:
- bcma_info(bus, "found parallel flash.\n");
---- a/include/linux/bcma/bcma_driver_chipcommon.h
-+++ b/include/linux/bcma/bcma_driver_chipcommon.h
-@@ -435,6 +435,7 @@ struct bcma_chipcommon_pmu {
- #ifdef CONFIG_BCMA_DRIVER_MIPS
- enum bcma_flash_type {
- BCMA_PFLASH,
-+ BCMA_SFLASH,
- };
-
- struct bcma_pflash {
-@@ -443,6 +444,14 @@ struct bcma_pflash {
- u32 window_size;
- };
-
-+#ifdef CONFIG_BCMA_SFLASH
-+struct bcma_sflash {
-+ u32 blocksize; /* Block size */
-+ u32 numblocks; /* Number of blocks */
-+ u32 size; /* Total size in bytes */
-+};
-+#endif /* CONFIG_BCMA_SFLASH */
-+
- struct bcma_serial_port {
- void *regs;
- unsigned long clockspeed;
-@@ -465,6 +474,9 @@ struct bcma_drv_cc {
- enum bcma_flash_type flash_type;
- union {
- struct bcma_pflash pflash;
-+#ifdef CONFIG_BCMA_SFLASH
-+ struct bcma_sflash sflash;
-+#endif /* CONFIG_BCMA_SFLASH */
- };
-
- int nr_serial_ports;
-@@ -520,4 +532,14 @@ extern void bcma_chipco_regctl_maskset(s
- u32 offset, u32 mask, u32 set);
- extern void bcma_pmu_spuravoid_pllupdate(struct bcma_drv_cc *cc, int spuravoid);
-
-+#ifdef CONFIG_BCMA_SFLASH
-+/* Chipcommon sflash support. */
-+int bcma_sflash_read(struct bcma_drv_cc *cc, u32 offset, u32 len,
-+ u8 *buf);
-+int bcma_sflash_poll(struct bcma_drv_cc *cc, u32 offset);
-+int bcma_sflash_write(struct bcma_drv_cc *cc, u32 offset, u32 len,
-+ const u8 *buf);
-+int bcma_sflash_erase(struct bcma_drv_cc *cc, u32 offset);
-+#endif /* CONFIG_BCMA_SFLASH */
-+
- #endif /* LINUX_BCMA_DRIVER_CC_H_ */
diff --git a/target/linux/brcm47xx/patches-3.3/022-ssb-move-flash-to-chipcommon.patch b/target/linux/brcm47xx/patches-3.3/022-ssb-move-flash-to-chipcommon.patch
deleted file mode 100644
index 12055bff03..0000000000
--- a/target/linux/brcm47xx/patches-3.3/022-ssb-move-flash-to-chipcommon.patch
+++ /dev/null
@@ -1,151 +0,0 @@
---- a/arch/mips/bcm47xx/nvram.c
-+++ b/arch/mips/bcm47xx/nvram.c
-@@ -27,7 +27,7 @@ static char nvram_buf[NVRAM_SPACE];
- static void early_nvram_init(void)
- {
- #ifdef CONFIG_BCM47XX_SSB
-- struct ssb_mipscore *mcore_ssb;
-+ struct ssb_chipcommon *ssb_cc;
- #endif
- #ifdef CONFIG_BCM47XX_BCMA
- struct bcma_drv_cc *bcma_cc;
-@@ -42,9 +42,9 @@ static void early_nvram_init(void)
- switch (bcm47xx_bus_type) {
- #ifdef CONFIG_BCM47XX_SSB
- case BCM47XX_BUS_TYPE_SSB:
-- mcore_ssb = &bcm47xx_bus.ssb.mipscore;
-- base = mcore_ssb->flash_window;
-- lim = mcore_ssb->flash_window_size;
-+ ssb_cc = &bcm47xx_bus.ssb.chipco;
-+ base = ssb_cc->pflash.window;
-+ lim = ssb_cc->pflash.window_size;
- break;
- #endif
- #ifdef CONFIG_BCM47XX_BCMA
---- a/arch/mips/bcm47xx/wgt634u.c
-+++ b/arch/mips/bcm47xx/wgt634u.c
-@@ -142,24 +142,24 @@ static int __init wgt634u_init(void)
- if (et0mac[0] == 0x00 &&
- ((et0mac[1] == 0x09 && et0mac[2] == 0x5b) ||
- (et0mac[1] == 0x0f && et0mac[2] == 0xb5))) {
-- struct ssb_mipscore *mcore = &bcm47xx_bus.ssb.mipscore;
-+ struct ssb_chipcommon *ccore = &bcm47xx_bus.ssb.chipco;
-
- 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)) {
-+ "WGT634U GPIO", ccore)) {
- gpio_direction_input(WGT634U_GPIO_RESET);
- gpio_intmask(WGT634U_GPIO_RESET, 1);
-- ssb_chipco_irq_mask(&bcm47xx_bus.ssb.chipco,
-+ ssb_chipco_irq_mask(ccore,
- SSB_CHIPCO_IRQ_GPIO,
- SSB_CHIPCO_IRQ_GPIO);
- }
-
-- wgt634u_flash_data.width = mcore->flash_buswidth;
-- wgt634u_flash_resource.start = mcore->flash_window;
-- wgt634u_flash_resource.end = mcore->flash_window
-- + mcore->flash_window_size
-+ wgt634u_flash_data.width = ccore->pflash.buswidth;
-+ wgt634u_flash_resource.start = ccore->pflash.window;
-+ wgt634u_flash_resource.end = ccore->pflash.window
-+ + ccore->pflash.window_size
- - 1;
- return platform_add_devices(wgt634u_devices,
- ARRAY_SIZE(wgt634u_devices));
---- a/drivers/ssb/driver_mipscore.c
-+++ b/drivers/ssb/driver_mipscore.c
-@@ -190,16 +190,34 @@ static void ssb_mips_flash_detect(struct
- {
- struct ssb_bus *bus = mcore->dev->bus;
-
-- mcore->flash_buswidth = 2;
-- if (bus->chipco.dev) {
-- mcore->flash_window = 0x1c000000;
-- mcore->flash_window_size = 0x02000000;
-+ /* When there is no chipcommon on the bus there is 4MB flash */
-+ if (!bus->chipco.dev) {
-+ pr_info("found parallel flash.\n");
-+ bus->chipco.flash_type = SSB_PFLASH;
-+ bus->chipco.pflash.window = SSB_FLASH1;
-+ bus->chipco.pflash.window_size = SSB_FLASH1_SZ;
-+ bus->chipco.pflash.buswidth = 2;
-+ return;
-+ }
-+
-+ switch (bus->chipco.capabilities & SSB_CHIPCO_CAP_FLASHT) {
-+ case SSB_CHIPCO_FLASHT_STSER:
-+ case SSB_CHIPCO_FLASHT_ATSER:
-+ pr_info("serial flash not supported.\n");
-+ break;
-+ case SSB_CHIPCO_FLASHT_PARA:
-+ pr_info("found parallel flash.\n");
-+ bus->chipco.flash_type = SSB_PFLASH;
-+ bus->chipco.pflash.window = SSB_FLASH2;
-+ bus->chipco.pflash.window_size = SSB_FLASH2_SZ;
- if ((ssb_read32(bus->chipco.dev, SSB_CHIPCO_FLASH_CFG)
-- & SSB_CHIPCO_CFG_DS16) == 0)
-- mcore->flash_buswidth = 1;
-- } else {
-- mcore->flash_window = 0x1fc00000;
-- mcore->flash_window_size = 0x00400000;
-+ & SSB_CHIPCO_CFG_DS16) == 0)
-+ bus->chipco.pflash.buswidth = 1;
-+ else
-+ bus->chipco.pflash.buswidth = 2;
-+ break;
-+ default:
-+ pr_err("flash not supported.\n");
- }
- }
-
---- a/include/linux/ssb/ssb_driver_chipcommon.h
-+++ b/include/linux/ssb/ssb_driver_chipcommon.h
-@@ -582,6 +582,18 @@ struct ssb_chipcommon_pmu {
- u32 crystalfreq; /* The active crystal frequency (in kHz) */
- };
-
-+#ifdef CONFIG_SSB_DRIVER_MIPS
-+enum ssb_flash_type {
-+ SSB_PFLASH,
-+};
-+
-+struct ssb_pflash {
-+ u8 buswidth;
-+ u32 window;
-+ u32 window_size;
-+};
-+#endif /* CONFIG_SSB_DRIVER_MIPS */
-+
- struct ssb_chipcommon {
- struct ssb_device *dev;
- u32 capabilities;
-@@ -589,6 +601,12 @@ struct ssb_chipcommon {
- /* Fast Powerup Delay constant */
- u16 fast_pwrup_delay;
- struct ssb_chipcommon_pmu pmu;
-+#ifdef CONFIG_SSB_DRIVER_MIPS
-+ enum ssb_flash_type flash_type;
-+ union {
-+ struct ssb_pflash pflash;
-+ };
-+#endif /* CONFIG_SSB_DRIVER_MIPS */
- };
-
- static inline bool ssb_chipco_available(struct ssb_chipcommon *cc)
---- a/include/linux/ssb/ssb_driver_mips.h
-+++ b/include/linux/ssb/ssb_driver_mips.h
-@@ -19,10 +19,6 @@ struct ssb_mipscore {
-
- int nr_serial_ports;
- struct ssb_serial_port serial_ports[4];
--
-- u8 flash_buswidth;
-- u32 flash_window;
-- u32 flash_window_size;
- };
-
- extern void ssb_mipscore_init(struct ssb_mipscore *mcore);
diff --git a/target/linux/brcm47xx/patches-3.3/023-ssb-add-serial-flash-support.patch b/target/linux/brcm47xx/patches-3.3/023-ssb-add-serial-flash-support.patch
deleted file mode 100644
index ba5a5c2d1b..0000000000
--- a/target/linux/brcm47xx/patches-3.3/023-ssb-add-serial-flash-support.patch
+++ /dev/null
@@ -1,573 +0,0 @@
---- a/drivers/ssb/Kconfig
-+++ b/drivers/ssb/Kconfig
-@@ -137,6 +137,12 @@ config SSB_DRIVER_MIPS
-
- If unsure, say N
-
-+config SSB_SFLASH
-+ bool
-+ depends on SSB_DRIVER_MIPS
-+ default y
-+
-+
- # Assumption: We are on embedded, if we compile the MIPS core.
- config SSB_EMBEDDED
- bool
---- a/drivers/ssb/Makefile
-+++ b/drivers/ssb/Makefile
-@@ -11,6 +11,7 @@ ssb-$(CONFIG_SSB_SDIOHOST) += sdio.o
- # built-in drivers
- ssb-y += driver_chipcommon.o
- ssb-y += driver_chipcommon_pmu.o
-+ssb-$(CONFIG_SSB_SFLASH) += driver_chipcommon_sflash.o
- ssb-$(CONFIG_SSB_DRIVER_MIPS) += driver_mipscore.o
- ssb-$(CONFIG_SSB_DRIVER_EXTIF) += driver_extif.o
- ssb-$(CONFIG_SSB_DRIVER_PCICORE) += driver_pcicore.o
---- /dev/null
-+++ b/drivers/ssb/driver_chipcommon_sflash.c
-@@ -0,0 +1,451 @@
-+/*
-+ * Broadcom SiliconBackplane chipcommon serial flash interface
-+ *
-+ * Copyright 2011, Jonas Gorski <jonas.gorski@gmail.com>
-+ * Copyright 2011, 2012, Hauke Mehrtens <hauke@hauke-m.de>
-+ * Copyright 2010, Broadcom Corporation
-+ *
-+ * Licensed under the GNU/GPL. See COPYING for details.
-+ */
-+
-+#include <linux/ssb/ssb.h>
-+#include <linux/ssb/ssb_driver_chipcommon.h>
-+#include <linux/delay.h>
-+
-+#include "ssb_private.h"
-+
-+#define NUM_RETRIES 3
-+
-+
-+/* Issue a serial flash command */
-+static inline void ssb_sflash_cmd(struct ssb_chipcommon *cc, u32 opcode)
-+{
-+ chipco_write32(cc, SSB_CHIPCO_FLASHCTL,
-+ SSB_CHIPCO_FLASHCTL_START | opcode);
-+ while (chipco_read32(cc, SSB_CHIPCO_FLASHCTL)
-+ & SSB_CHIPCO_FLASHCTL_BUSY)
-+ ;
-+}
-+
-+
-+static inline void ssb_sflash_write_u8(struct ssb_chipcommon *cc,
-+ u32 offset, u8 byte)
-+{
-+ chipco_write32(cc, SSB_CHIPCO_FLASHADDR, offset);
-+ chipco_write32(cc, SSB_CHIPCO_FLASHDATA, byte);
-+}
-+
-+/* Initialize serial flash access */
-+int ssb_sflash_init(struct ssb_chipcommon *cc)
-+{
-+ u32 id, id2;
-+
-+ memset(&cc->sflash, 0, sizeof(struct ssb_sflash));
-+
-+ switch (cc->capabilities & SSB_CHIPCO_CAP_FLASHT) {
-+ case SSB_CHIPCO_FLASHT_STSER:
-+ /* Probe for ST chips */
-+ ssb_sflash_cmd(cc, SSB_CHIPCO_FLASHCTL_ST_DP);
-+ chipco_write32(cc, SSB_CHIPCO_FLASHADDR, 0);
-+ ssb_sflash_cmd(cc, SSB_CHIPCO_FLASHCTL_ST_RES);
-+ id = chipco_read32(cc, SSB_CHIPCO_FLASHDATA);
-+ cc->sflash.blocksize = 64 * 1024;
-+ switch (id) {
-+ case 0x11:
-+ /* ST M25P20 2 Mbit Serial Flash */
-+ cc->sflash.numblocks = 4;
-+ break;
-+ case 0x12:
-+ /* ST M25P40 4 Mbit Serial Flash */
-+ cc->sflash.numblocks = 8;
-+ break;
-+ case 0x13:
-+ /* ST M25P80 8 Mbit Serial Flash */
-+ cc->sflash.numblocks = 16;
-+ break;
-+ case 0x14:
-+ /* ST M25P16 16 Mbit Serial Flash */
-+ cc->sflash.numblocks = 32;
-+ break;
-+ case 0x15:
-+ /* ST M25P32 32 Mbit Serial Flash */
-+ cc->sflash.numblocks = 64;
-+ break;
-+ case 0x16:
-+ /* ST M25P64 64 Mbit Serial Flash */
-+ cc->sflash.numblocks = 128;
-+ break;
-+ case 0x17:
-+ /* ST M25FL128 128 Mbit Serial Flash */
-+ cc->sflash.numblocks = 256;
-+ break;
-+ case 0xbf:
-+ /* All of the following flashes are SST with
-+ * 4KB subsectors. Others should be added but
-+ * We'll have to revamp the way we identify them
-+ * since RES is not eough to disambiguate them.
-+ */
-+ cc->sflash.blocksize = 4 * 1024;
-+ chipco_write32(cc, SSB_CHIPCO_FLASHADDR, 1);
-+ ssb_sflash_cmd(cc, SSB_CHIPCO_FLASHCTL_ST_RES);
-+ id2 = chipco_read32(cc, SSB_CHIPCO_FLASHDATA);
-+ switch (id2) {
-+ case 1:
-+ /* SST25WF512 512 Kbit Serial Flash */
-+ case 0x48:
-+ /* SST25VF512 512 Kbit Serial Flash */
-+ cc->sflash.numblocks = 16;
-+ break;
-+ case 2:
-+ /* SST25WF010 1 Mbit Serial Flash */
-+ case 0x49:
-+ /* SST25VF010 1 Mbit Serial Flash */
-+ cc->sflash.numblocks = 32;
-+ break;
-+ case 3:
-+ /* SST25WF020 2 Mbit Serial Flash */
-+ case 0x43:
-+ /* SST25VF020 2 Mbit Serial Flash */
-+ cc->sflash.numblocks = 64;
-+ break;
-+ case 4:
-+ /* SST25WF040 4 Mbit Serial Flash */
-+ case 0x44:
-+ /* SST25VF040 4 Mbit Serial Flash */
-+ case 0x8d:
-+ /* SST25VF040B 4 Mbit Serial Flash */
-+ cc->sflash.numblocks = 128;
-+ break;
-+ case 5:
-+ /* SST25WF080 8 Mbit Serial Flash */
-+ case 0x8e:
-+ /* SST25VF080B 8 Mbit Serial Flash */
-+ cc->sflash.numblocks = 256;
-+ break;
-+ case 0x41:
-+ /* SST25VF016 16 Mbit Serial Flash */
-+ cc->sflash.numblocks = 512;
-+ break;
-+ case 0x4a:
-+ /* SST25VF032 32 Mbit Serial Flash */
-+ cc->sflash.numblocks = 1024;
-+ break;
-+ case 0x4b:
-+ /* SST25VF064 64 Mbit Serial Flash */
-+ cc->sflash.numblocks = 2048;
-+ break;
-+ }
-+ break;
-+ }
-+ break;
-+
-+ case SSB_CHIPCO_FLASHT_ATSER:
-+ /* Probe for Atmel chips */
-+ ssb_sflash_cmd(cc, SSB_CHIPCO_FLASHCTL_AT_STATUS);
-+ id = chipco_read32(cc, SSB_CHIPCO_FLASHDATA) & 0x3c;
-+ switch (id) {
-+ case 0xc:
-+ /* Atmel AT45DB011 1Mbit Serial Flash */
-+ cc->sflash.blocksize = 256;
-+ cc->sflash.numblocks = 512;
-+ break;
-+ case 0x14:
-+ /* Atmel AT45DB021 2Mbit Serial Flash */
-+ cc->sflash.blocksize = 256;
-+ cc->sflash.numblocks = 1024;
-+ break;
-+ case 0x1c:
-+ /* Atmel AT45DB041 4Mbit Serial Flash */
-+ cc->sflash.blocksize = 256;
-+ cc->sflash.numblocks = 2048;
-+ break;
-+ case 0x24:
-+ /* Atmel AT45DB081 8Mbit Serial Flash */
-+ cc->sflash.blocksize = 256;
-+ cc->sflash.numblocks = 4096;
-+ break;
-+ case 0x2c:
-+ /* Atmel AT45DB161 16Mbit Serial Flash */
-+ cc->sflash.blocksize = 512;
-+ cc->sflash.numblocks = 4096;
-+ break;
-+ case 0x34:
-+ /* Atmel AT45DB321 32Mbit Serial Flash */
-+ cc->sflash.blocksize = 512;
-+ cc->sflash.numblocks = 8192;
-+ break;
-+ case 0x3c:
-+ /* Atmel AT45DB642 64Mbit Serial Flash */
-+ cc->sflash.blocksize = 1024;
-+ cc->sflash.numblocks = 8192;
-+ break;
-+ }
-+ break;
-+ }
-+
-+ cc->sflash.size = cc->sflash.blocksize * cc->sflash.numblocks;
-+
-+ return cc->sflash.size ? 0 : -ENODEV;
-+}
-+
-+/* Read len bytes starting at offset into buf. Returns number of bytes read. */
-+int ssb_sflash_read(struct ssb_chipcommon *cc, u32 offset, u32 len, u8 *buf)
-+{
-+ u8 *from, *to;
-+ u32 cnt, i;
-+
-+ if (!len)
-+ return 0;
-+
-+ if ((offset + len) > cc->sflash.size)
-+ return -EINVAL;
-+
-+ if ((len >= 4) && (offset & 3))
-+ cnt = 4 - (offset & 3);
-+ else if ((len >= 4) && ((u32)buf & 3))
-+ cnt = 4 - ((u32)buf & 3);
-+ else
-+ cnt = len;
-+
-+
-+ if (cc->dev->id.revision == 12)
-+ from = (u8 *)KSEG1ADDR(SSB_FLASH2 + offset);
-+ else
-+ from = (u8 *)KSEG0ADDR(SSB_FLASH2 + offset);
-+
-+ to = (u8 *)buf;
-+
-+ if (cnt < 4) {
-+ for (i = 0; i < cnt; i++) {
-+ *to = readb(from);
-+ from++;
-+ to++;
-+ }
-+ return cnt;
-+ }
-+
-+ while (cnt >= 4) {
-+ *(u32 *)to = readl(from);
-+ from += 4;
-+ to += 4;
-+ cnt -= 4;
-+ }
-+
-+ return len - cnt;
-+}
-+
-+/* Poll for command completion. Returns zero when complete. */
-+int ssb_sflash_poll(struct ssb_chipcommon *cc, u32 offset)
-+{
-+ if (offset >= cc->sflash.size)
-+ return -22;
-+
-+ switch (cc->capabilities & SSB_CHIPCO_CAP_FLASHT) {
-+ case SSB_CHIPCO_FLASHT_STSER:
-+ /* Check for ST Write In Progress bit */
-+ ssb_sflash_cmd(cc, SSB_CHIPCO_FLASHCTL_ST_RDSR);
-+ return chipco_read32(cc, SSB_CHIPCO_FLASHDATA)
-+ & SSB_CHIPCO_FLASHSTA_ST_WIP;
-+ case SSB_CHIPCO_FLASHT_ATSER:
-+ /* Check for Atmel Ready bit */
-+ ssb_sflash_cmd(cc, SSB_CHIPCO_FLASHCTL_AT_STATUS);
-+ return !(chipco_read32(cc, SSB_CHIPCO_FLASHDATA)
-+ & SSB_CHIPCO_FLASHSTA_AT_READY);
-+ }
-+
-+ return 0;
-+}
-+
-+
-+static int sflash_st_write(struct ssb_chipcommon *cc, u32 offset, u32 len,
-+ const u8 *buf)
-+{
-+ struct ssb_bus *bus = cc->dev->bus;
-+ int ret = 0;
-+ bool is4712b0 = (bus->chip_id == 0x4712) && (bus->chip_rev == 3);
-+ u32 mask;
-+
-+ /* Enable writes */
-+ ssb_sflash_cmd(cc, SSB_CHIPCO_FLASHCTL_ST_WREN);
-+ if (is4712b0) {
-+ mask = 1 << 14;
-+ ssb_sflash_write_u8(cc, offset, *buf++);
-+ /* Set chip select */
-+ chipco_set32(cc, SSB_CHIPCO_GPIOOUT, mask);
-+ /* Issue a page program with the first byte */
-+ ssb_sflash_cmd(cc, SSB_CHIPCO_FLASHCTL_ST_PP);
-+ ret = 1;
-+ offset++;
-+ len--;
-+ while (len > 0) {
-+ if ((offset & 255) == 0) {
-+ /* Page boundary, drop cs and return */
-+ chipco_mask32(cc, SSB_CHIPCO_GPIOOUT, ~mask);
-+ udelay(1);
-+ if (!ssb_sflash_poll(cc, offset)) {
-+ /* Flash rejected command */
-+ return -EAGAIN;
-+ }
-+ return ret;
-+ } else {
-+ /* Write single byte */
-+ ssb_sflash_cmd(cc, *buf++);
-+ }
-+ ret++;
-+ offset++;
-+ len--;
-+ }
-+ /* All done, drop cs */
-+ chipco_mask32(cc, SSB_CHIPCO_GPIOOUT, ~mask);
-+ udelay(1);
-+ if (!ssb_sflash_poll(cc, offset)) {
-+ /* Flash rejected command */
-+ return -EAGAIN;
-+ }
-+ } else if (cc->dev->id.revision >= 20) {
-+ ssb_sflash_write_u8(cc, offset, *buf++);
-+ /* Issue a page program with CSA bit set */
-+ ssb_sflash_cmd(cc,
-+ SSB_CHIPCO_FLASHCTL_ST_CSA |
-+ SSB_CHIPCO_FLASHCTL_ST_PP);
-+ ret = 1;
-+ offset++;
-+ len--;
-+ while (len > 0) {
-+ if ((offset & 255) == 0) {
-+ /* Page boundary, poll droping cs and return */
-+ chipco_write32(cc, SSB_CHIPCO_FLASHCTL, 0);
-+ udelay(1);
-+ if (!ssb_sflash_poll(cc, offset)) {
-+ /* Flash rejected command */
-+ return -EAGAIN;
-+ }
-+ return ret;
-+ } else {
-+ /* Write single byte */
-+ ssb_sflash_cmd(cc,
-+ SSB_CHIPCO_FLASHCTL_ST_CSA |
-+ *buf++);
-+ }
-+ ret++;
-+ offset++;
-+ len--;
-+ }
-+ /* All done, drop cs & poll */
-+ chipco_write32(cc, SSB_CHIPCO_FLASHCTL, 0);
-+ udelay(1);
-+ if (!ssb_sflash_poll(cc, offset)) {
-+ /* Flash rejected command */
-+ return -EAGAIN;
-+ }
-+ } else {
-+ ret = 1;
-+ ssb_sflash_write_u8(cc, offset, *buf);
-+ /* Page program */
-+ ssb_sflash_cmd(cc, SSB_CHIPCO_FLASHCTL_ST_PP);
-+ }
-+ return ret;
-+}
-+
-+static int sflash_at_write(struct ssb_chipcommon *cc, u32 offset, u32 len,
-+ const u8 *buf)
-+{
-+ struct ssb_sflash *sfl = &cc->sflash;
-+ u32 page, byte, mask;
-+ int ret = 0;
-+ mask = sfl->blocksize - 1;
-+ page = (offset & ~mask) << 1;
-+ byte = offset & mask;
-+ /* Read main memory page into buffer 1 */
-+ if (byte || (len < sfl->blocksize)) {
-+ int i = 100;
-+ chipco_write32(cc, SSB_CHIPCO_FLASHADDR, page);
-+ ssb_sflash_cmd(cc, SSB_CHIPCO_FLASHCTL_AT_BUF1_LOAD);
-+ /* 250 us for AT45DB321B */
-+ while (i > 0 && ssb_sflash_poll(cc, offset)) {
-+ udelay(10);
-+ i--;
-+ }
-+ BUG_ON(!ssb_sflash_poll(cc, offset));
-+ }
-+ /* Write into buffer 1 */
-+ for (ret = 0; (ret < (int)len) && (byte < sfl->blocksize); ret++) {
-+ ssb_sflash_write_u8(cc, byte++, *buf++);
-+ ssb_sflash_cmd(cc,
-+ SSB_CHIPCO_FLASHCTL_AT_BUF1_WRITE);
-+ }
-+ /* Write buffer 1 into main memory page */
-+ chipco_write32(cc, SSB_CHIPCO_FLASHADDR, page);
-+ ssb_sflash_cmd(cc, 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.
-+ */
-+int ssb_sflash_write(struct ssb_chipcommon *cc, u32 offset, u32 len,
-+ const u8 *buf)
-+{
-+ struct ssb_sflash *sfl;
-+ int ret = 0, tries = NUM_RETRIES;
-+
-+ if (!len)
-+ return 0;
-+
-+ if ((offset + len) > cc->sflash.size)
-+ return -EINVAL;
-+
-+ sfl = &cc->sflash;
-+ switch (cc->capabilities & SSB_CHIPCO_CAP_FLASHT) {
-+ case SSB_CHIPCO_FLASHT_STSER:
-+ do {
-+ ret = sflash_st_write(cc, offset, len, buf);
-+ tries--;
-+ } while (ret == -EAGAIN && tries > 0);
-+
-+ if (ret == -EAGAIN && tries == 0) {
-+ pr_info("ST Flash rejected write\n");
-+ ret = -EIO;
-+ }
-+ break;
-+ case SSB_CHIPCO_FLASHT_ATSER:
-+ ret = sflash_at_write(cc, offset, len, buf);
-+ break;
-+ }
-+
-+ return ret;
-+}
-+
-+/* Erase a region. Returns number of bytes scheduled for erasure.
-+ * Caller should poll for completion.
-+ */
-+int ssb_sflash_erase(struct ssb_chipcommon *cc, u32 offset)
-+{
-+ struct ssb_sflash *sfl;
-+
-+ if (offset >= cc->sflash.size)
-+ return -EINVAL;
-+
-+ sfl = &cc->sflash;
-+ switch (cc->capabilities & SSB_CHIPCO_CAP_FLASHT) {
-+ case SSB_CHIPCO_FLASHT_STSER:
-+ ssb_sflash_cmd(cc, SSB_CHIPCO_FLASHCTL_ST_WREN);
-+ chipco_write32(cc, SSB_CHIPCO_FLASHADDR, offset);
-+ /* Newer flashes have "sub-sectors" which can be erased
-+ * independently with a new command: ST_SSE. The ST_SE command
-+ * erases 64KB just as before.
-+ */
-+ if (sfl->blocksize < (64 * 1024))
-+ ssb_sflash_cmd(cc, SSB_CHIPCO_FLASHCTL_ST_SSE);
-+ else
-+ ssb_sflash_cmd(cc, SSB_CHIPCO_FLASHCTL_ST_SE);
-+ return sfl->blocksize;
-+ case SSB_CHIPCO_FLASHT_ATSER:
-+ chipco_write32(cc, SSB_CHIPCO_FLASHADDR, offset << 1);
-+ ssb_sflash_cmd(cc, SSB_CHIPCO_FLASHCTL_AT_PAGE_ERASE);
-+ return sfl->blocksize;
-+ }
-+
-+ return 0;
-+}
---- a/drivers/ssb/driver_mipscore.c
-+++ b/drivers/ssb/driver_mipscore.c
-@@ -203,7 +203,13 @@ static void ssb_mips_flash_detect(struct
- switch (bus->chipco.capabilities & SSB_CHIPCO_CAP_FLASHT) {
- case SSB_CHIPCO_FLASHT_STSER:
- case SSB_CHIPCO_FLASHT_ATSER:
-+#ifdef CONFIG_SSB_SFLASH
-+ pr_info("found serial flash.\n");
-+ bus->chipco.flash_type = SSB_SFLASH;
-+ ssb_sflash_init(&bus->chipco);
-+#else
- pr_info("serial flash not supported.\n");
-+#endif /* CONFIG_SSB_SFLASH */
- break;
- case SSB_CHIPCO_FLASHT_PARA:
- pr_info("found parallel flash.\n");
---- a/drivers/ssb/ssb_private.h
-+++ b/drivers/ssb/ssb_private.h
-@@ -192,6 +192,10 @@ extern int ssb_devices_freeze(struct ssb
- extern int ssb_devices_thaw(struct ssb_freeze_context *ctx);
-
-
-+#ifdef CONFIG_SSB_SFLASH
-+/* driver_chipcommon_sflash.c */
-+int ssb_sflash_init(struct ssb_chipcommon *cc);
-+#endif /* CONFIG_SSB_SFLASH */
-
- /* b43_pci_bridge.c */
- #ifdef CONFIG_SSB_B43_PCI_BRIDGE
---- a/include/linux/ssb/ssb_driver_chipcommon.h
-+++ b/include/linux/ssb/ssb_driver_chipcommon.h
-@@ -503,8 +503,10 @@
- #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_RSIG 0x03AB /* Read Electronic Signature */
-+#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 */
-
- /* Status register bits for ST flashes */
- #define SSB_CHIPCO_FLASHSTA_ST_WIP 0x01 /* Write In Progress */
-@@ -585,6 +587,7 @@ struct ssb_chipcommon_pmu {
- #ifdef CONFIG_SSB_DRIVER_MIPS
- enum ssb_flash_type {
- SSB_PFLASH,
-+ SSB_SFLASH,
- };
-
- struct ssb_pflash {
-@@ -592,6 +595,14 @@ struct ssb_pflash {
- u32 window;
- u32 window_size;
- };
-+
-+#ifdef CONFIG_SSB_SFLASH
-+struct ssb_sflash {
-+ u32 blocksize; /* Block size */
-+ u32 numblocks; /* Number of blocks */
-+ u32 size; /* Total size in bytes */
-+};
-+#endif /* CONFIG_SSB_SFLASH */
- #endif /* CONFIG_SSB_DRIVER_MIPS */
-
- struct ssb_chipcommon {
-@@ -605,6 +616,9 @@ struct ssb_chipcommon {
- enum ssb_flash_type flash_type;
- union {
- struct ssb_pflash pflash;
-+#ifdef CONFIG_SSB_SFLASH
-+ struct ssb_sflash sflash;
-+#endif /* CONFIG_SSB_SFLASH */
- };
- #endif /* CONFIG_SSB_DRIVER_MIPS */
- };
-@@ -666,6 +680,16 @@ extern int ssb_chipco_serial_init(struct
- struct ssb_serial_port *ports);
- #endif /* CONFIG_SSB_SERIAL */
-
-+#ifdef CONFIG_SSB_SFLASH
-+/* Chipcommon sflash support. */
-+int ssb_sflash_read(struct ssb_chipcommon *cc, u32 offset, u32 len,
-+ u8 *buf);
-+int ssb_sflash_poll(struct ssb_chipcommon *cc, u32 offset);
-+int ssb_sflash_write(struct ssb_chipcommon *cc, u32 offset, u32 len,
-+ const u8 *buf);
-+int ssb_sflash_erase(struct ssb_chipcommon *cc, u32 offset);
-+#endif /* CONFIG_SSB_SFLASH */
-+
- /* PMU support */
- extern void ssb_pmu_init(struct ssb_chipcommon *cc);
-
diff --git a/target/linux/brcm47xx/patches-3.3/024-brcm47xx-add-common-interface-for-sflash.patch b/target/linux/brcm47xx/patches-3.3/024-brcm47xx-add-common-interface-for-sflash.patch
deleted file mode 100644
index fd4befcfae..0000000000
--- a/target/linux/brcm47xx/patches-3.3/024-brcm47xx-add-common-interface-for-sflash.patch
+++ /dev/null
@@ -1,168 +0,0 @@
---- a/arch/mips/bcm47xx/Makefile
-+++ b/arch/mips/bcm47xx/Makefile
-@@ -3,5 +3,5 @@
- # under Linux.
- #
-
--obj-y += gpio.o irq.o nvram.o prom.o serial.o setup.o time.o sprom.o
-+obj-y += gpio.o irq.o nvram.o prom.o serial.o setup.o time.o sprom.o bus.o
- obj-$(CONFIG_BCM47XX_SSB) += wgt634u.o
---- /dev/null
-+++ b/arch/mips/bcm47xx/bus.c
-@@ -0,0 +1,86 @@
-+/*
-+ * BCM947xx nvram variable access
-+ *
-+ * Copyright (C) 2011 Hauke Mehrtens <hauke@hauke-m.de>
-+ *
-+ * This program is free software; you can redistribute it and/or modify it
-+ * under the terms of the GNU General Public License as published by the
-+ * Free Software Foundation; either version 2 of the License, or (at your
-+ * option) any later version.
-+ */
-+
-+#include <bus.h>
-+
-+#ifdef CONFIG_BCM47XX_BCMA
-+static int bcm47xx_sflash_bcma_read(struct bcm47xx_sflash *dev, u32 offset, u32 len, u8 *buf)
-+{
-+ return bcma_sflash_read(dev->bcc, offset, len, buf);
-+}
-+
-+static int bcm47xx_sflash_bcma_poll(struct bcm47xx_sflash *dev, u32 offset)
-+{
-+ return bcma_sflash_poll(dev->bcc, offset);
-+}
-+
-+static int bcm47xx_sflash_bcma_write(struct bcm47xx_sflash *dev, u32 offset, u32 len, const u8 *buf)
-+{
-+ return bcma_sflash_write(dev->bcc, offset, len, buf);
-+}
-+
-+static int bcm47xx_sflash_bcma_erase(struct bcm47xx_sflash *dev, u32 offset)
-+{
-+ return bcma_sflash_erase(dev->bcc, offset);
-+}
-+
-+void bcm47xx_sflash_struct_bcma_init(struct bcm47xx_sflash *sflash, struct bcma_drv_cc *bcc)
-+{
-+ sflash->sflash_type = BCM47XX_BUS_TYPE_BCMA;
-+ sflash->bcc = bcc;
-+
-+ sflash->read = bcm47xx_sflash_bcma_read;
-+ sflash->poll = bcm47xx_sflash_bcma_poll;
-+ sflash->write = bcm47xx_sflash_bcma_write;
-+ sflash->erase = bcm47xx_sflash_bcma_erase;
-+
-+ sflash->blocksize = bcc->sflash.blocksize;
-+ sflash->numblocks = bcc->sflash.numblocks;
-+ sflash->size = bcc->sflash.size;
-+}
-+#endif
-+
-+#ifdef CONFIG_BCM47XX_SSB
-+static int bcm47xx_sflash_ssb_read(struct bcm47xx_sflash *dev, u32 offset, u32 len, u8 *buf)
-+{
-+ return ssb_sflash_read(dev->scc, offset, len, buf);
-+}
-+
-+static int bcm47xx_sflash_ssb_poll(struct bcm47xx_sflash *dev, u32 offset)
-+{
-+ return ssb_sflash_poll(dev->scc, offset);
-+}
-+
-+static int bcm47xx_sflash_ssb_write(struct bcm47xx_sflash *dev, u32 offset, u32 len, const u8 *buf)
-+{
-+ return ssb_sflash_write(dev->scc, offset, len, buf);
-+}
-+
-+static int bcm47xx_sflash_ssb_erase(struct bcm47xx_sflash *dev, u32 offset)
-+{
-+ return ssb_sflash_erase(dev->scc, offset);
-+}
-+
-+void bcm47xx_sflash_struct_ssb_init(struct bcm47xx_sflash *sflash, struct ssb_chipcommon *scc)
-+{
-+ sflash->sflash_type = BCM47XX_BUS_TYPE_SSB;
-+ sflash->scc = scc;
-+
-+ sflash->read = bcm47xx_sflash_ssb_read;
-+ sflash->poll = bcm47xx_sflash_ssb_poll;
-+ sflash->write = bcm47xx_sflash_ssb_write;
-+ sflash->erase = bcm47xx_sflash_ssb_erase;
-+
-+ sflash->blocksize = scc->sflash.blocksize;
-+ sflash->numblocks = scc->sflash.numblocks;
-+ sflash->size = scc->sflash.size;
-+}
-+#endif
---- a/arch/mips/bcm47xx/setup.c
-+++ b/arch/mips/bcm47xx/setup.c
-@@ -43,6 +43,8 @@ EXPORT_SYMBOL(bcm47xx_bus);
- enum bcm47xx_bus_type bcm47xx_bus_type;
- EXPORT_SYMBOL(bcm47xx_bus_type);
-
-+struct bcm47xx_sflash bcm47xx_sflash;
-+
- static void bcm47xx_machine_restart(char *command)
- {
- printk(KERN_ALERT "Please stand by while rebooting the system...\n");
-@@ -137,6 +139,9 @@ static void __init bcm47xx_register_ssb(
- if (err)
- panic("Failed to initialize SSB bus (err %d)", err);
-
-+ if (bcm47xx_bus.ssb.chipco.flash_type == SSB_SFLASH)
-+ bcm47xx_sflash_struct_ssb_init(&bcm47xx_sflash, &bcm47xx_bus.ssb.chipco);
-+
- mcore = &bcm47xx_bus.ssb.mipscore;
- if (nvram_getenv("kernel_args", buf, sizeof(buf)) >= 0) {
- if (strstr(buf, "console=ttyS1")) {
-@@ -195,6 +200,9 @@ static void __init bcm47xx_register_bcma
- if (err)
- panic("Failed to initialize BCMA bus (err %d)", err);
-
-+ if (bcm47xx_bus.bcma.bus.drv_cc.flash_type == BCMA_SFLASH)
-+ bcm47xx_sflash_struct_bcma_init(&bcm47xx_sflash, &bcm47xx_bus.bcma.bus.drv_cc);
-+
- bcm47xx_fill_bcma_boardinfo(&bcm47xx_bus.bcma.bus.boardinfo, NULL);
- }
- #endif
---- /dev/null
-+++ b/arch/mips/include/asm/mach-bcm47xx/bus.h
-@@ -0,0 +1,36 @@
-+/*
-+ * BCM947xx nvram variable access
-+ *
-+ * Copyright (C) 2011 Hauke Mehrtens <hauke@hauke-m.de>
-+ *
-+ * This program is free software; you can redistribute it and/or modify it
-+ * under the terms of the GNU General Public License as published by the
-+ * Free Software Foundation; either version 2 of the License, or (at your
-+ * option) any later version.
-+ */
-+
-+#include <linux/ssb/ssb.h>
-+#include <linux/bcma/bcma.h>
-+#include <bcm47xx.h>
-+
-+struct bcm47xx_sflash {
-+ enum bcm47xx_bus_type sflash_type;
-+ union {
-+ struct ssb_chipcommon *scc;
-+ struct bcma_drv_cc *bcc;
-+ };
-+
-+ int (*read)(struct bcm47xx_sflash *dev, u32 offset, u32 len, u8 *buf);
-+ int (*poll)(struct bcm47xx_sflash *dev, u32 offset);
-+ int (*write)(struct bcm47xx_sflash *dev, u32 offset, u32 len, const u8 *buf);
-+ int (*erase)(struct bcm47xx_sflash *dev, u32 offset);
-+
-+ u32 blocksize; /* Block size */
-+ u32 numblocks; /* Number of blocks */
-+ u32 size; /* Total size in bytes */
-+};
-+
-+void bcm47xx_sflash_struct_bcma_init(struct bcm47xx_sflash *sflash, struct bcma_drv_cc *bcc);
-+void bcm47xx_sflash_struct_ssb_init(struct bcm47xx_sflash *sflash, struct ssb_chipcommon *scc);
-+
-+extern struct bcm47xx_sflash bcm47xx_sflash;
diff --git a/target/linux/brcm47xx/patches-3.3/028-bcm47xx-register-flash-drivers.patch b/target/linux/brcm47xx/patches-3.3/028-bcm47xx-register-flash-drivers.patch
deleted file mode 100644
index 7de051dad9..0000000000
--- a/target/linux/brcm47xx/patches-3.3/028-bcm47xx-register-flash-drivers.patch
+++ /dev/null
@@ -1,136 +0,0 @@
---- a/arch/mips/bcm47xx/Kconfig
-+++ b/arch/mips/bcm47xx/Kconfig
-@@ -9,6 +9,7 @@ config BCM47XX_SSB
- select SSB_EMBEDDED
- select SSB_B43_PCI_BRIDGE if PCI
- select SSB_PCICORE_HOSTMODE if PCI
-+ select SSB_SFLASH
- default y
- help
- Add support for old Broadcom BCM47xx boards with Sonics Silicon Backplane support.
-@@ -23,6 +24,7 @@ config BCM47XX_BCMA
- select BCMA_DRIVER_MIPS
- select BCMA_HOST_PCI if PCI
- select BCMA_DRIVER_PCI_HOSTMODE if PCI
-+ select BCMA_SFLASH
- default y
- help
- Add support for new Broadcom BCM47xx boards with Broadcom specific Advanced Microcontroller Bus.
---- a/arch/mips/bcm47xx/setup.c
-+++ b/arch/mips/bcm47xx/setup.c
-@@ -31,10 +31,12 @@
- #include <linux/ssb/ssb.h>
- #include <linux/ssb/ssb_embedded.h>
- #include <linux/bcma/bcma_soc.h>
-+#include <linux/platform_device.h>
- #include <asm/bootinfo.h>
- #include <asm/reboot.h>
- #include <asm/time.h>
- #include <bcm47xx.h>
-+#include <bus.h>
- #include <asm/mach-bcm47xx/nvram.h>
-
- union bcm47xx_bus bcm47xx_bus;
-@@ -45,6 +47,32 @@ EXPORT_SYMBOL(bcm47xx_bus_type);
-
- struct bcm47xx_sflash bcm47xx_sflash;
-
-+static struct resource bcm47xx_pflash_resource = {
-+ .name = "bcm47xx_pflash",
-+ .start = 0,
-+ .end = 0,
-+ .flags = 0,
-+};
-+
-+static struct platform_device bcm47xx_pflash_dev = {
-+ .name = "bcm47xx_pflash",
-+ .resource = &bcm47xx_pflash_resource,
-+ .num_resources = 1,
-+};
-+
-+static struct resource bcm47xx_sflash_resource = {
-+ .name = "bcm47xx_sflash",
-+ .start = 0,
-+ .end = 0,
-+ .flags = 0,
-+};
-+
-+static struct platform_device bcm47xx_sflash_dev = {
-+ .name = "bcm47xx_sflash",
-+ .resource = &bcm47xx_sflash_resource,
-+ .num_resources = 1,
-+};
-+
- static void bcm47xx_machine_restart(char *command)
- {
- printk(KERN_ALERT "Please stand by while rebooting the system...\n");
-@@ -156,6 +184,24 @@ static void __init bcm47xx_register_ssb(
- }
- }
- }
-+
-+static int __init bcm47xx_register_flash_ssb(void)
-+{
-+ struct ssb_chipcommon *chipco = &bcm47xx_bus.ssb.chipco;
-+
-+ switch (chipco->flash_type) {
-+ case SSB_PFLASH:
-+ bcm47xx_pflash_resource.start = chipco->pflash.window;
-+ bcm47xx_pflash_resource.end = chipco->pflash.window + chipco->pflash.window_size;
-+ return platform_device_register(&bcm47xx_pflash_dev);
-+ case SSB_SFLASH:
-+ bcm47xx_sflash_dev.dev.platform_data = &bcm47xx_sflash;
-+ return platform_device_register(&bcm47xx_sflash_dev);
-+ default:
-+ printk(KERN_ERR "No flash device found\n");
-+ return -1;
-+ }
-+}
- #endif
-
- #ifdef CONFIG_BCM47XX_BCMA
-@@ -205,6 +251,24 @@ static void __init bcm47xx_register_bcma
-
- bcm47xx_fill_bcma_boardinfo(&bcm47xx_bus.bcma.bus.boardinfo, NULL);
- }
-+
-+static int __init bcm47xx_register_flash_bcma(void)
-+{
-+ struct bcma_drv_cc *drv_cc = &bcm47xx_bus.bcma.bus.drv_cc;
-+
-+ switch (drv_cc->flash_type) {
-+ case BCMA_PFLASH:
-+ bcm47xx_pflash_resource.start = drv_cc->pflash.window;
-+ bcm47xx_pflash_resource.end = drv_cc->pflash.window + drv_cc->pflash.window_size;
-+ return platform_device_register(&bcm47xx_pflash_dev);
-+ case BCMA_SFLASH:
-+ bcm47xx_sflash_dev.dev.platform_data = &bcm47xx_sflash;
-+ return platform_device_register(&bcm47xx_sflash_dev);
-+ default:
-+ printk(KERN_ERR "No flash device found\n");
-+ return -1;
-+ }
-+}
- #endif
-
- void __init plat_mem_setup(void)
-@@ -247,3 +311,19 @@ static int __init bcm47xx_register_bus_c
- return 0;
- }
- device_initcall(bcm47xx_register_bus_complete);
-+
-+static int __init bcm47xx_register_flash(void)
-+{
-+ switch (bcm47xx_bus_type) {
-+#ifdef CONFIG_BCM47XX_SSB
-+ case BCM47XX_BUS_TYPE_SSB:
-+ return bcm47xx_register_flash_ssb();
-+#endif
-+#ifdef CONFIG_BCM47XX_BCMA
-+ case BCM47XX_BUS_TYPE_BCMA:
-+ return bcm47xx_register_flash_bcma();
-+#endif
-+ }
-+ return -1;
-+}
-+fs_initcall(bcm47xx_register_flash);
diff --git a/target/linux/brcm47xx/patches-3.3/029-bcm47xx-read-nvram-from-sflash.patch b/target/linux/brcm47xx/patches-3.3/029-bcm47xx-read-nvram-from-sflash.patch
deleted file mode 100644
index 1a994d9037..0000000000
--- a/target/linux/brcm47xx/patches-3.3/029-bcm47xx-read-nvram-from-sflash.patch
+++ /dev/null
@@ -1,143 +0,0 @@
---- a/arch/mips/bcm47xx/nvram.c
-+++ b/arch/mips/bcm47xx/nvram.c
-@@ -20,11 +20,12 @@
- #include <asm/addrspace.h>
- #include <asm/mach-bcm47xx/nvram.h>
- #include <asm/mach-bcm47xx/bcm47xx.h>
-+#include <asm/mach-bcm47xx/bus.h>
-
- static char nvram_buf[NVRAM_SPACE];
-
- /* Probe for NVRAM header */
--static void early_nvram_init(void)
-+static void early_nvram_init_pflash(void)
- {
- #ifdef CONFIG_BCM47XX_SSB
- struct ssb_chipcommon *ssb_cc;
-@@ -50,9 +51,6 @@ static void early_nvram_init(void)
- #ifdef CONFIG_BCM47XX_BCMA
- case BCM47XX_BUS_TYPE_BCMA:
- bcma_cc = &bcm47xx_bus.bcma.bus.drv_cc;
-- if (bcma_cc->flash_type != BCMA_PFLASH)
-- return;
--
- base = bcma_cc->pflash.window;
- lim = bcma_cc->pflash.window_size;
- break;
-@@ -86,7 +84,115 @@ found:
- for (i = 0; i < sizeof(struct nvram_header); i += 4)
- *dst++ = *src++;
- for (; i < header->len && i < NVRAM_SPACE; i += 4)
-- *dst++ = le32_to_cpu(*src++);
-+ *dst++ = *src++;
-+}
-+
-+static int find_nvram_size(void)
-+{
-+ struct nvram_header header;
-+ int nvram_sizes[] = {NVRAM_SPACE, 0xF000, 2 * NVRAM_SPACE};
-+ int i;
-+ int ret;
-+
-+ for (i = 0; i < sizeof(nvram_sizes); i++) {
-+ ret = bcm47xx_sflash.read(&bcm47xx_sflash, bcm47xx_sflash.size - nvram_sizes[i], sizeof(header), (u8 *)&header);
-+ if (ret != sizeof(header))
-+ return ret;
-+ if (header.magic == NVRAM_HEADER)
-+ return nvram_sizes[i];
-+ }
-+ return -1;
-+}
-+
-+static int early_nvram_init_sflash(void)
-+{
-+ u32 off;
-+ int ret;
-+ char *dst;
-+ int len;
-+ int size;
-+
-+ /* check if the struct is already initilized */
-+ if (!bcm47xx_sflash.size)
-+ return -1;
-+
-+ size = find_nvram_size();
-+ if (size <= 0)
-+ return size;
-+
-+ len = NVRAM_SPACE;
-+ dst = nvram_buf;
-+ off = bcm47xx_sflash.size;
-+ if (size > len) {
-+ printk(KERN_WARNING "nvram on flash is bigger than the reserved"
-+ " space in memory, will just copy the first %i bytes\n",
-+ len);
-+ }
-+ while (len) {
-+ ret = bcm47xx_sflash.read(&bcm47xx_sflash, off - size, len, dst);
-+ if (ret < 0)
-+ return ret;
-+ off += ret;
-+ len -= ret;
-+ dst += ret;
-+ }
-+ return 0;
-+}
-+
-+#ifdef CONFIG_BCM47XX_SSB
-+static void early_nvram_init_ssb(void)
-+{
-+ int err;
-+
-+ switch (bcm47xx_bus.ssb.chipco.flash_type) {
-+ case SSB_PFLASH:
-+ early_nvram_init_pflash();
-+ break;
-+ case SSB_SFLASH:
-+ err = early_nvram_init_sflash();
-+ if (err < 0)
-+ printk(KERN_WARNING "can not read from flash: %i\n", err);
-+ break;
-+ default:
-+ printk(KERN_WARNING "unknow flash type\n");
-+ }
-+}
-+#endif
-+
-+#ifdef CONFIG_BCM47XX_BCMA
-+static void early_nvram_init_bcma(void)
-+{
-+ int err;
-+
-+ switch (bcm47xx_bus.bcma.bus.drv_cc.flash_type) {
-+ case BCMA_PFLASH:
-+ early_nvram_init_pflash();
-+ break;
-+ case BCMA_SFLASH:
-+ err = early_nvram_init_sflash();
-+ if (err < 0)
-+ printk(KERN_WARNING "can not read from flash: %i\n", err);
-+ break;
-+ default:
-+ printk(KERN_WARNING "unknow flash type\n");
-+ }
-+}
-+#endif
-+
-+static void early_nvram_init(void)
-+{
-+ switch (bcm47xx_bus_type) {
-+#ifdef CONFIG_BCM47XX_SSB
-+ case BCM47XX_BUS_TYPE_SSB:
-+ early_nvram_init_ssb();
-+ break;
-+#endif
-+#ifdef CONFIG_BCM47XX_BCMA
-+ case BCM47XX_BUS_TYPE_BCMA:
-+ early_nvram_init_bcma();
-+ break;
-+#endif
-+ }
- }
-
- int nvram_getenv(char *name, char *val, size_t val_len)
diff --git a/target/linux/brcm47xx/patches-3.3/030-bcm47xx-bcma-nandflash.patch b/target/linux/brcm47xx/patches-3.3/030-bcm47xx-bcma-nandflash.patch
deleted file mode 100644
index 53f6e98d15..0000000000
--- a/target/linux/brcm47xx/patches-3.3/030-bcm47xx-bcma-nandflash.patch
+++ /dev/null
@@ -1,1146 +0,0 @@
---- a/arch/mips/bcm47xx/Kconfig
-+++ b/arch/mips/bcm47xx/Kconfig
-@@ -25,6 +25,7 @@ config BCM47XX_BCMA
- select BCMA_HOST_PCI if PCI
- select BCMA_DRIVER_PCI_HOSTMODE if PCI
- select BCMA_SFLASH
-+ select BCMA_NFLASH
- default y
- help
- Add support for new Broadcom BCM47xx boards with Broadcom specific Advanced Microcontroller Bus.
---- a/arch/mips/bcm47xx/bus.c
-+++ b/arch/mips/bcm47xx/bus.c
-@@ -2,6 +2,7 @@
- * BCM947xx nvram variable access
- *
- * Copyright (C) 2011 Hauke Mehrtens <hauke@hauke-m.de>
-+ * Copyright (C) 2011-2012 Tathagata Das <tathagata@alumnux.com>
- *
- * 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
-@@ -46,6 +47,12 @@ void bcm47xx_sflash_struct_bcma_init(str
- sflash->numblocks = bcc->sflash.numblocks;
- sflash->size = bcc->sflash.size;
- }
-+
-+void bcm47xx_nflash_struct_bcma_init(struct bcm47xx_nflash *nflash, struct bcma_drv_cc *bcc)
-+{
-+ nflash->nflash_type = BCM47XX_BUS_TYPE_BCMA;
-+ nflash->bcc = bcc;
-+}
- #endif
-
- #ifdef CONFIG_BCM47XX_SSB
---- a/arch/mips/bcm47xx/nvram.c
-+++ b/arch/mips/bcm47xx/nvram.c
-@@ -4,6 +4,7 @@
- * Copyright (C) 2005 Broadcom Corporation
- * Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org>
- * Copyright (C) 2010-2011 Hauke Mehrtens <hauke@hauke-m.de>
-+ * Copyright (C) 2011-2012 Tathagata Das <tathagata@alumnux.com>
- *
- * 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
-@@ -21,6 +22,7 @@
- #include <asm/mach-bcm47xx/nvram.h>
- #include <asm/mach-bcm47xx/bcm47xx.h>
- #include <asm/mach-bcm47xx/bus.h>
-+#include <linux/mtd/bcm47xx_nand.h>
-
- static char nvram_buf[NVRAM_SPACE];
-
-@@ -160,6 +162,51 @@ static void early_nvram_init_ssb(void)
- #endif
-
- #ifdef CONFIG_BCM47XX_BCMA
-+static int early_nvram_init_nflash(void)
-+{
-+ struct nvram_header *header;
-+ u32 off;
-+ int ret;
-+ int len;
-+ u32 flash_size = bcm47xx_nflash.size;
-+ u8 tmpbuf[NFL_SECTOR_SIZE];
-+ int i;
-+ u32 *src, *dst;
-+
-+ /* check if the struct is already initilized */
-+ if (!flash_size)
-+ return -1;
-+
-+ cfe_env = 0;
-+
-+ off = FLASH_MIN;
-+ while (off <= flash_size) {
-+ ret = bcma_nflash_read(bcm47xx_nflash.bcc, off, NFL_SECTOR_SIZE, tmpbuf);
-+ if (ret != NFL_SECTOR_SIZE)
-+ goto done;
-+ header = (struct nvram_header *)tmpbuf;
-+ if (header->magic == NVRAM_HEADER)
-+ goto found;
-+ off <<= 1;
-+ }
-+
-+ ret = -1;
-+ goto done;
-+
-+found:
-+ len = header->len;
-+ header = (struct nvram_header *) KSEG1ADDR(NAND_FLASH1 + off);
-+ src = (u32 *) header;
-+ dst = (u32 *) nvram_buf;
-+ for (i = 0; i < sizeof(struct nvram_header); i += 4)
-+ *dst++ = *src++;
-+ for (; i < len && i < NVRAM_SPACE; i += 4)
-+ *dst++ = *src++;
-+ ret = 0;
-+done:
-+ return ret;
-+}
-+
- static void early_nvram_init_bcma(void)
- {
- int err;
-@@ -173,6 +220,11 @@ static void early_nvram_init_bcma(void)
- if (err < 0)
- printk(KERN_WARNING "can not read from flash: %i\n", err);
- break;
-+ case BCMA_NFLASH:
-+ err = early_nvram_init_nflash();
-+ if (err < 0)
-+ printk(KERN_WARNING "can not read from nflash: %i\n", err);
-+ break;
- default:
- printk(KERN_WARNING "unknow flash type\n");
- }
---- a/arch/mips/bcm47xx/setup.c
-+++ b/arch/mips/bcm47xx/setup.c
-@@ -4,6 +4,7 @@
- * Copyright (C) 2006 Michael Buesch <m@bues.ch>
- * Copyright (C) 2010 Waldemar Brodkorb <wbx@openadk.org>
- * Copyright (C) 2010-2012 Hauke Mehrtens <hauke@hauke-m.de>
-+ * Copyright (C) 2011-2012 Tathagata Das <tathagata@alumnux.com>
- *
- * 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
-@@ -234,6 +235,21 @@ static int bcm47xx_get_sprom_bcma(struct
- }
- }
-
-+struct bcm47xx_nflash bcm47xx_nflash;
-+
-+static struct resource bcm47xx_nflash_resource = {
-+ .name = "bcm47xx_nflash",
-+ .start = 0,
-+ .end = 0,
-+ .flags = 0,
-+};
-+
-+static struct platform_device bcm47xx_nflash_dev = {
-+ .name = "bcm47xx_nflash",
-+ .resource = &bcm47xx_nflash_resource,
-+ .num_resources = 1,
-+};
-+
- static void __init bcm47xx_register_bcma(void)
- {
- int err;
-@@ -248,6 +264,9 @@ static void __init bcm47xx_register_bcma
-
- if (bcm47xx_bus.bcma.bus.drv_cc.flash_type == BCMA_SFLASH)
- bcm47xx_sflash_struct_bcma_init(&bcm47xx_sflash, &bcm47xx_bus.bcma.bus.drv_cc);
-+
-+ if (bcm47xx_bus.bcma.bus.drv_cc.flash_type == BCMA_NFLASH)
-+ bcm47xx_nflash_struct_bcma_init(&bcm47xx_nflash, &bcm47xx_bus.bcma.bus.drv_cc);
-
- bcm47xx_fill_bcma_boardinfo(&bcm47xx_bus.bcma.bus.boardinfo, NULL);
- }
-@@ -264,6 +283,9 @@ static int __init bcm47xx_register_flash
- case BCMA_SFLASH:
- bcm47xx_sflash_dev.dev.platform_data = &bcm47xx_sflash;
- return platform_device_register(&bcm47xx_sflash_dev);
-+ case BCMA_NFLASH:
-+ bcm47xx_nflash_dev.dev.platform_data = &bcm47xx_nflash;
-+ return platform_device_register(&bcm47xx_nflash_dev);
- default:
- printk(KERN_ERR "No flash device found\n");
- return -1;
---- a/arch/mips/include/asm/mach-bcm47xx/bus.h
-+++ b/arch/mips/include/asm/mach-bcm47xx/bus.h
-@@ -2,6 +2,7 @@
- * BCM947xx nvram variable access
- *
- * Copyright (C) 2011 Hauke Mehrtens <hauke@hauke-m.de>
-+ * Copyright (C) 2011-2012 Tathagata Das <tathagata@alumnux.com>
- *
- * 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
-@@ -12,6 +13,7 @@
- #include <linux/ssb/ssb.h>
- #include <linux/bcma/bcma.h>
- #include <bcm47xx.h>
-+#include <linux/mtd/nand.h>
-
- struct bcm47xx_sflash {
- enum bcm47xx_bus_type sflash_type;
-@@ -34,3 +36,18 @@ void bcm47xx_sflash_struct_bcma_init(str
- void bcm47xx_sflash_struct_ssb_init(struct bcm47xx_sflash *sflash, struct ssb_chipcommon *scc);
-
- extern struct bcm47xx_sflash bcm47xx_sflash;
-+
-+struct bcm47xx_nflash {
-+ enum bcm47xx_bus_type nflash_type;
-+ struct bcma_drv_cc *bcc;
-+
-+ u32 size; /* Total size in bytes */
-+ u32 next_opcode; /* Next expected command from upper NAND layer */
-+
-+ struct mtd_info mtd;
-+ struct nand_chip nand;
-+};
-+
-+void bcm47xx_nflash_struct_bcma_init(struct bcm47xx_nflash *nflash, struct bcma_drv_cc *bcc);
-+
-+extern struct bcm47xx_nflash bcm47xx_nflash;
---- a/drivers/bcma/Kconfig
-+++ b/drivers/bcma/Kconfig
-@@ -43,6 +43,11 @@ config BCMA_SFLASH
- depends on BCMA_DRIVER_MIPS
- default y
-
-+config BCMA_NFLASH
-+ bool
-+ depends on BCMA_DRIVER_MIPS
-+ default y
-+
- config BCMA_DRIVER_MIPS
- bool "BCMA Broadcom MIPS core driver"
- depends on BCMA && MIPS
---- a/drivers/bcma/Makefile
-+++ b/drivers/bcma/Makefile
-@@ -1,6 +1,7 @@
- bcma-y += main.o scan.o core.o sprom.o
- bcma-y += driver_chipcommon.o driver_chipcommon_pmu.o
- bcma-$(CONFIG_BCMA_SFLASH) += driver_chipcommon_sflash.o
-+bcma-$(CONFIG_BCMA_NFLASH) += driver_chipcommon_nflash.o
- bcma-y += driver_pci.o
- bcma-$(CONFIG_BCMA_DRIVER_PCI_HOSTMODE) += driver_pci_host.o
- bcma-$(CONFIG_BCMA_DRIVER_MIPS) += driver_mips.o
---- a/drivers/bcma/bcma_private.h
-+++ b/drivers/bcma/bcma_private.h
-@@ -56,6 +56,11 @@ u32 bcma_pmu_get_clockcpu(struct bcma_dr
- int bcma_sflash_init(struct bcma_drv_cc *cc);
- #endif /* CONFIG_BCMA_SFLASH */
-
-+#ifdef CONFIG_BCMA_NFLASH
-+/* driver_chipcommon_nflash.c */
-+int bcma_nflash_init(struct bcma_drv_cc *cc);
-+#endif /* CONFIG_BCMA_NFLASH */
-+
- #ifdef CONFIG_BCMA_HOST_PCI
- /* host_pci.c */
- extern int __init bcma_host_pci_init(void);
---- /dev/null
-+++ b/drivers/bcma/driver_chipcommon_nflash.c
-@@ -0,0 +1,154 @@
-+/*
-+ * BCMA nand flash interface
-+ *
-+ * Copyright 2011, Tathagata Das <tathagata@alumnux.com>
-+ * Copyright 2010, Broadcom Corporation
-+ *
-+ * Licensed under the GNU/GPL. See COPYING for details.
-+ */
-+
-+#include <linux/bcma/bcma.h>
-+#include <linux/bcma/bcma_driver_chipcommon.h>
-+#include <linux/delay.h>
-+#include <linux/mtd/bcm47xx_nand.h>
-+#include <linux/mtd/nand.h>
-+
-+#include "bcma_private.h"
-+
-+/* Issue a nand flash command */
-+static inline void bcma_nflash_cmd(struct bcma_drv_cc *cc, u32 opcode)
-+{
-+ bcma_cc_write32(cc, NAND_CMD_START, opcode);
-+ bcma_cc_read32(cc, NAND_CMD_START);
-+}
-+
-+/* Check offset and length */
-+static int bcma_nflash_offset_is_valid(struct bcma_drv_cc *cc, u32 offset, u32 len, u32 mask)
-+{
-+ if ((offset & mask) != 0 || (len & mask) != 0) {
-+ pr_err("%s(): Address is not aligned. offset: %x, len: %x, mask: %x\n", __func__, offset, len, mask);
-+ return 1;
-+ }
-+
-+ if ((((offset + len) >> 20) >= cc->nflash.size) &&
-+ (((offset + len) & ((1 << 20) - 1)) != 0)) {
-+ pr_err("%s(): Address is outside Flash memory region. offset: %x, len: %x, mask: %x\n", __func__, offset, len, mask);
-+ return 1;
-+ }
-+
-+ return 0;
-+}
-+
-+/* Read len bytes starting at offset into buf. Returns number of bytes read. */
-+int bcma_nflash_read(struct bcma_drv_cc *cc, u32 offset, u32 len, u8 *buf)
-+{
-+ u32 mask;
-+ int i;
-+ u32 *to, val, res;
-+
-+ mask = NFL_SECTOR_SIZE - 1;
-+ if (bcma_nflash_offset_is_valid(cc, offset, len, mask))
-+ return 0;
-+
-+ to = (u32 *)buf;
-+ res = len;
-+ while (res > 0) {
-+ bcma_cc_write32(cc, NAND_CMD_ADDR, offset);
-+ bcma_nflash_cmd(cc, NCMD_PAGE_RD);
-+ if (bcma_nflash_poll(cc) < 0)
-+ break;
-+ val = bcma_cc_read32(cc, NAND_INTFC_STATUS);
-+ if ((val & NIST_CACHE_VALID) == 0)
-+ break;
-+ bcma_cc_write32(cc, NAND_CACHE_ADDR, 0);
-+ for (i = 0; i < NFL_SECTOR_SIZE; i += 4, to++) {
-+ *to = bcma_cc_read32(cc, NAND_CACHE_DATA);
-+ }
-+ res -= NFL_SECTOR_SIZE;
-+ offset += NFL_SECTOR_SIZE;
-+ }
-+ return (len - res);
-+}
-+
-+#define NF_RETRIES 1000000
-+
-+/* Poll for command completion. Returns zero when complete. */
-+int bcma_nflash_poll(struct bcma_drv_cc *cc)
-+{
-+ u32 retries = NF_RETRIES;
-+ u32 pollmask = NIST_CTRL_READY|NIST_FLASH_READY;
-+ u32 mask;
-+
-+ while (retries--) {
-+ mask = bcma_cc_read32(cc, NAND_INTFC_STATUS) & pollmask;
-+ if (mask == pollmask)
-+ return 0;
-+ cpu_relax();
-+ }
-+
-+ if (!retries) {
-+ pr_err("bcma_nflash_poll: not ready\n");
-+ return -1;
-+ }
-+
-+ return 0;
-+}
-+
-+/* Write len bytes starting at offset into buf. Returns success (0) or failure (!0).
-+ * Should poll for completion.
-+ */
-+int bcma_nflash_write(struct bcma_drv_cc *cc, u32 offset, u32 len,
-+ const u8 *buf)
-+{
-+ u32 mask;
-+ int i;
-+ u32 *from, res, reg;
-+
-+ mask = cc->nflash.pagesize - 1;
-+ if (bcma_nflash_offset_is_valid(cc, offset, len, mask))
-+ return 1;
-+
-+ /* disable partial page enable */
-+ reg = bcma_cc_read32(cc, NAND_ACC_CONTROL);
-+ reg &= ~NAC_PARTIAL_PAGE_EN;
-+ bcma_cc_write32(cc, NAND_ACC_CONTROL, reg);
-+
-+ from = (u32 *)buf;
-+ res = len;
-+ while (res > 0) {
-+ bcma_cc_write32(cc, NAND_CACHE_ADDR, 0);
-+ for (i = 0; i < cc->nflash.pagesize; i += 4, from++) {
-+ if (i % 512 == 0)
-+ bcma_cc_write32(cc, NAND_CMD_ADDR, i);
-+ bcma_cc_write32(cc, NAND_CACHE_DATA, *from);
-+ }
-+ bcma_cc_write32(cc, NAND_CMD_ADDR, offset + cc->nflash.pagesize - 512);
-+ bcma_nflash_cmd(cc, NCMD_PAGE_PROG);
-+ if (bcma_nflash_poll(cc) < 0)
-+ break;
-+ res -= cc->nflash.pagesize;
-+ offset += cc->nflash.pagesize;
-+ }
-+
-+ if (res <= 0)
-+ return 0;
-+ else
-+ return (len - res);
-+}
-+
-+/* Erase a region. Returns success (0) or failure (-1).
-+ * Poll for completion.
-+ */
-+int bcma_nflash_erase(struct bcma_drv_cc *cc, u32 offset)
-+{
-+ if ((offset >> 20) >= cc->nflash.size)
-+ return -1;
-+ if ((offset & (cc->nflash.blocksize - 1)) != 0)
-+ return -1;
-+
-+ bcma_cc_write32(cc, NAND_CMD_ADDR, offset);
-+ bcma_nflash_cmd(cc, NCMD_BLOCK_ERASE);
-+ if (bcma_nflash_poll(cc) < 0)
-+ return -1;
-+ return 0;
-+}
---- a/drivers/bcma/driver_mips.c
-+++ b/drivers/bcma/driver_mips.c
-@@ -6,6 +6,7 @@
- * Copyright 2006, 2007, Michael Buesch <mb@bu3sch.de>
- * Copyright 2010, Bernhard Loos <bernhardloos@googlemail.com>
- * Copyright 2011, Hauke Mehrtens <hauke@hauke-m.de>
-+ * Copyright (C) 2011-2012 Tathagata Das <tathagata@alumnux.com>
- *
- * Licensed under the GNU/GPL. See COPYING for details.
- */
-@@ -182,6 +183,17 @@ static void bcma_core_mips_flash_detect(
- {
- struct bcma_bus *bus = mcore->core->bus;
-
-+ if (bus->drv_cc.core->id.rev == 38
-+ && (bus->drv_cc.status & (1 << 4)) != 0) {
-+#ifdef CONFIG_BCMA_NFLASH
-+ pr_info("found nand flash.\n");
-+ bus->drv_cc.flash_type = BCMA_NFLASH;
-+#else
-+ pr_info("NAND flash not supported.\n");
-+#endif
-+ return;
-+ }
-+
- switch (bus->drv_cc.capabilities & BCMA_CC_CAP_FLASHT) {
- case BCMA_CC_FLASHT_STSER:
- case BCMA_CC_FLASHT_ATSER:
---- a/drivers/mtd/nand/Kconfig
-+++ b/drivers/mtd/nand/Kconfig
-@@ -536,4 +536,12 @@ config MTD_NAND_FSMC
- Enables support for NAND Flash chips on the ST Microelectronics
- Flexible Static Memory Controller (FSMC)
-
-+config MTD_NAND_BCM47XX
-+ tristate "bcm47xx nand flash support"
-+ default y
-+ depends on BCM47XX && BCMA_NFLASH
-+ select MTD_PARTITIONS
-+ help
-+ Support for bcm47xx nand flash
-+
- endif # MTD_NAND
---- a/drivers/mtd/nand/Makefile
-+++ b/drivers/mtd/nand/Makefile
-@@ -49,5 +49,6 @@ obj-$(CONFIG_MTD_NAND_MPC5121_NFC) += mp
- obj-$(CONFIG_MTD_NAND_RICOH) += r852.o
- obj-$(CONFIG_MTD_NAND_JZ4740) += jz4740_nand.o
- obj-$(CONFIG_MTD_NAND_GPMI_NAND) += gpmi-nand/
-+obj-$(CONFIG_MTD_NAND_BCM47XX) += bcm47xx_nand.o
-
- nand-objs := nand_base.o nand_bbt.o
---- /dev/null
-+++ b/drivers/mtd/nand/bcm47xx_nand.c
-@@ -0,0 +1,506 @@
-+/*
-+ * BCMA nand flash interface
-+ *
-+ * Copyright (C) 2011-2012 Tathagata Das <tathagata@alumnux.com>
-+ * Copyright 2010, Broadcom Corporation
-+ *
-+ * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY
-+ * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM
-+ * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
-+ * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE.
-+ *
-+ */
-+
-+#define pr_fmt(fmt) "bcm47xx_nflash: " fmt
-+#include <linux/module.h>
-+#include <linux/slab.h>
-+#include <linux/ioport.h>
-+#include <linux/sched.h>
-+#include <linux/mtd/mtd.h>
-+#include <linux/mtd/map.h>
-+#include <linux/mtd/partitions.h>
-+#include <linux/errno.h>
-+#include <linux/delay.h>
-+#include <linux/platform_device.h>
-+#include <bcm47xx.h>
-+#include <bus.h>
-+#include <linux/cramfs_fs.h>
-+#include <linux/romfs_fs.h>
-+#include <linux/magic.h>
-+#include <linux/byteorder/generic.h>
-+#include <linux/mtd/bcm47xx_nand.h>
-+#include <linux/mtd/nand.h>
-+
-+static int bcm47xx_block_bad(struct mtd_info *mtd, loff_t ofs, int getchip);
-+static int bcm47xx_erase(struct mtd_info *mtd, unsigned int addr, unsigned int len);
-+
-+/* Private Global variable */
-+static u32 read_offset = 0;
-+static u32 write_offset;
-+
-+static int
-+nflash_mtd_poll(struct bcm47xx_nflash *nflash, unsigned int offset, int timeout)
-+{
-+ unsigned long now = jiffies;
-+ int ret = 0;
-+
-+ for (;;) {
-+ if (!bcma_nflash_poll(nflash->bcc)) {
-+ ret = 0;
-+ break;
-+ }
-+ if (time_after(jiffies, now + timeout)) {
-+ pr_err("timeout while polling\n");
-+ ret = -ETIMEDOUT;
-+ break;
-+ }
-+ udelay(1);
-+ }
-+
-+ return ret;
-+}
-+
-+static int
-+bcm47xx_read(struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf)
-+{
-+ struct nand_chip *nchip = (struct nand_chip *)mtd->priv;
-+ struct bcm47xx_nflash *nflash = (struct bcm47xx_nflash *)nchip->priv;
-+ int bytes, ret = 0;
-+ u32 extra = 0;
-+ u8 *tmpbuf = NULL;
-+ int size;
-+ u32 offset, blocksize, mask, off;
-+ u32 skip_bytes = 0;
-+ int need_copy = 0;
-+ u8 *ptr = NULL;
-+
-+ /* Check address range */
-+ if (!len)
-+ return 0;
-+ if ((from + len) > mtd->size)
-+ return -EINVAL;
-+ offset = from;
-+ if ((offset & (NFL_SECTOR_SIZE - 1)) != 0) {
-+ extra = offset & (NFL_SECTOR_SIZE - 1);
-+ offset -= extra;
-+ len += extra;
-+ need_copy = 1;
-+ }
-+ size = (len + (NFL_SECTOR_SIZE - 1)) & ~(NFL_SECTOR_SIZE - 1);
-+ if (size != len) {
-+ need_copy = 1;
-+ }
-+ if (!need_copy) {
-+ ptr = buf;
-+ } else {
-+ tmpbuf = (u8 *)kmalloc(size, GFP_KERNEL);
-+ ptr = tmpbuf;
-+ }
-+
-+ blocksize = mtd->erasesize;
-+ mask = blocksize - 1;
-+ *retlen = 0;
-+ while (len > 0) {
-+ off = offset + skip_bytes;
-+ if ((bytes = bcma_nflash_read(nflash->bcc, off, NFL_SECTOR_SIZE, ptr)) < 0) {
-+ ret = bytes;
-+ goto done;
-+ }
-+ if (bytes > len)
-+ bytes = len;
-+ offset += bytes;
-+ len -= bytes;
-+ ptr += bytes;
-+ *retlen += bytes;
-+ }
-+
-+done:
-+ if (tmpbuf) {
-+ *retlen -= extra;
-+ memcpy(buf, tmpbuf+extra, *retlen);
-+ kfree(tmpbuf);
-+ }
-+
-+ return ret;
-+}
-+
-+static void bcm47xx_write(struct mtd_info *mtd, u32 to, const u_char *buf, u32 len)
-+{
-+ struct nand_chip *nchip = (struct nand_chip *)mtd->priv;
-+ struct bcm47xx_nflash *nflash = (struct bcm47xx_nflash *)nchip->priv;
-+ u32 offset, blocksize, mask, off;
-+ int read_len;
-+ u32 copy_len, write_len, from;
-+ u_char *write_ptr, *block;
-+ const u_char *ptr;
-+ int ret, bytes;
-+
-+ /* Check address range */
-+ if (!len) {
-+ pr_err("Error: Attempted to write too small data\n");
-+ return;
-+ }
-+
-+ if (!to)
-+ return;
-+
-+ if ((to + len) > mtd->size) {
-+ pr_err("Error: Attempted to write too large data\n");
-+ return;
-+ }
-+
-+ ptr = buf;
-+ block = NULL;
-+ offset = to;
-+ blocksize = mtd->erasesize;
-+ if (!(block = kmalloc(blocksize, GFP_KERNEL)))
-+ return;
-+ mask = blocksize - 1;
-+ while (len) {
-+ /* Align offset */
-+ from = offset & ~mask;
-+ /* Copy existing data into holding block if necessary */
-+ if (((offset & (blocksize-1)) != 0) || (len < blocksize)) {
-+ if ((ret = bcm47xx_read(mtd, from, blocksize, &read_len, block)))
-+ goto done;
-+ if (read_len != blocksize) {
-+ ret = -EINVAL;
-+ goto done;
-+ }
-+ }
-+
-+ /* Copy input data into holding block */
-+ copy_len = min(len, blocksize - (offset & mask));
-+ memcpy(block + (offset & mask), ptr, copy_len);
-+ off = (uint) from;
-+ /* Erase block */
-+ if ((ret = bcm47xx_erase(mtd, off, blocksize)) < 0)
-+ goto done;
-+ /* Write holding block */
-+ write_ptr = block;
-+ write_len = blocksize;
-+ if ((bytes = bcma_nflash_write(nflash->bcc, (uint)from, (uint)write_len, (u8 *) write_ptr)) != 0) {
-+ ret = bytes;
-+ goto done;
-+ }
-+ offset += copy_len;
-+ if (len < copy_len)
-+ len = 0;
-+ else
-+ len -= copy_len;
-+ ptr += copy_len;
-+ }
-+
-+done:
-+ if (block)
-+ kfree(block);
-+ return;
-+}
-+
-+static int bcm47xx_erase(struct mtd_info *mtd, unsigned int addr, unsigned int len)
-+{
-+ struct nand_chip *nchip = (struct nand_chip *)mtd->priv;
-+ struct bcm47xx_nflash *nflash = (struct bcm47xx_nflash *)nchip->priv;
-+
-+ /* Check address range */
-+ if (!len)
-+ return 1;
-+ if ((addr + len) > mtd->size)
-+ return 1;
-+
-+ if (bcma_nflash_erase(nflash->bcc, addr)) {
-+ pr_err("ERASE: nflash erase error\n");
-+ return 1;
-+ }
-+
-+ if (nflash_mtd_poll(nflash, addr, 10 * HZ)) {
-+ pr_err("ERASE: nflash_mtd_poll error\n");
-+ return 1;
-+ }
-+
-+ return 0;
-+}
-+
-+/* This functions is used by upper layer to checks if device is ready */
-+static int bcm47xx_dev_ready(struct mtd_info *mtd)
-+{
-+ return 1;
-+}
-+
-+/* Issue a nand flash command */
-+static inline void bcm47xx_nflash_cmd(struct bcma_drv_cc *cc, u32 opcode)
-+{
-+ bcma_cc_write32(cc, NAND_CMD_START, opcode);
-+ bcma_cc_read32(cc, NAND_CMD_START);
-+}
-+
-+static void bcm47xx_command(struct mtd_info *mtd, unsigned command,
-+ int column, int page_addr)
-+{
-+ struct nand_chip *nchip = (struct nand_chip *)mtd->priv;
-+ struct bcm47xx_nflash *nflash = (struct bcm47xx_nflash *)nchip->priv;
-+ u32 pagesize = 1 << nchip->page_shift;
-+
-+ /* Command pre-processing step */
-+ switch (command) {
-+ case NAND_CMD_RESET:
-+ bcm47xx_nflash_cmd(nflash->bcc, NCMD_FLASH_RESET);
-+ break;
-+
-+ case NAND_CMD_STATUS:
-+ nflash->next_opcode = NAND_CMD_STATUS;
-+ read_offset = 0;
-+ write_offset = 0;
-+ break;
-+
-+ case NAND_CMD_READ0:
-+ read_offset = page_addr * pagesize;
-+ nflash->next_opcode = 0;
-+ break;
-+
-+ case NAND_CMD_READOOB:
-+ read_offset = page_addr * pagesize;
-+ nflash->next_opcode = 0;
-+ break;
-+
-+ case NAND_CMD_SEQIN:
-+ write_offset = page_addr * pagesize;
-+ nflash->next_opcode = 0;
-+ break;
-+
-+ case NAND_CMD_PAGEPROG:
-+ nflash->next_opcode = 0;
-+ break;
-+
-+ case NAND_CMD_READID:
-+ read_offset = column;
-+ bcm47xx_nflash_cmd(nflash->bcc, NCMD_ID_RD);
-+ nflash->next_opcode = NAND_DEVID;
-+ break;
-+
-+ case NAND_CMD_ERASE1:
-+ nflash->next_opcode = 0;
-+ bcm47xx_erase(mtd, page_addr*pagesize, pagesize);
-+ break;
-+
-+ case NAND_CMD_ERASE2:
-+ break;
-+
-+ case NAND_CMD_RNDOUT:
-+ if (column > mtd->writesize)
-+ read_offset += (column - mtd->writesize);
-+ else
-+ read_offset += column;
-+ break;
-+
-+ default:
-+ pr_err("COMMAND not supported %x\n", command);
-+ nflash->next_opcode = 0;
-+ break;
-+ }
-+}
-+
-+/* This function is used by upper layer for select and
-+ * deselect of the NAND chip.
-+ * It is dummy function. */
-+static void bcm47xx_select_chip(struct mtd_info *mtd, int chip)
-+{
-+}
-+
-+static u_char bcm47xx_read_byte(struct mtd_info *mtd)
-+{
-+ struct nand_chip *nchip = mtd->priv;
-+ struct bcm47xx_nflash *nflash = (struct bcm47xx_nflash *)nchip->priv;
-+ uint8_t ret = 0;
-+ static u32 id;
-+
-+ if (nflash->next_opcode == 0)
-+ return ret;
-+
-+ if (nflash->next_opcode == NAND_CMD_STATUS)
-+ return NAND_STATUS_WP;
-+
-+ id = bcma_cc_read32(nflash->bcc, nflash->next_opcode);
-+
-+ if (nflash->next_opcode == NAND_DEVID) {
-+ ret = (id >> (8*read_offset)) & 0xff;
-+ read_offset++;
-+ }
-+
-+ return ret;
-+}
-+
-+static uint16_t bcm47xx_read_word(struct mtd_info *mtd)
-+{
-+ loff_t from = read_offset;
-+ uint16_t buf = 0;
-+ int bytes;
-+
-+ bcm47xx_read(mtd, from, sizeof(buf), &bytes, (u_char *)&buf);
-+ return buf;
-+}
-+
-+/* Write data of length len to buffer buf. The data to be
-+ * written on NAND Flash is first copied to RAMbuffer. After the Data Input
-+ * Operation by the NFC, the data is written to NAND Flash */
-+static void bcm47xx_write_buf(struct mtd_info *mtd,
-+ const u_char *buf, int len)
-+{
-+ bcm47xx_write(mtd, write_offset, buf, len);
-+}
-+
-+/* Read the data buffer from the NAND Flash. To read the data from NAND
-+ * Flash first the data output cycle is initiated by the NFC, which copies
-+ * the data to RAMbuffer. This data of length len is then copied to buffer buf.
-+ */
-+static void bcm47xx_read_buf(struct mtd_info *mtd, u_char *buf, int len)
-+{
-+ loff_t from = read_offset;
-+ int bytes;
-+
-+ bcm47xx_read(mtd, from, len, &bytes, buf);
-+}
-+
-+/* Used by the upper layer to verify the data in NAND Flash
-+ * with the data in the buf. */
-+static int bcm47xx_verify_buf(struct mtd_info *mtd,
-+ const u_char *buf, int len)
-+{
-+ return -EFAULT;
-+}
-+
-+static int bcm47xx_block_bad(struct mtd_info *mtd, loff_t ofs, int getchip)
-+{
-+ struct nand_chip *nchip = mtd->priv;
-+ struct bcm47xx_nflash *nflash = (struct bcm47xx_nflash *)nchip->priv;
-+ int i;
-+ uint off;
-+ u32 pagesize = 1 << nchip->page_shift;
-+ u32 blocksize = mtd->erasesize;
-+
-+ if ((ofs >> 20) >= nflash->size)
-+ return 1;
-+ if ((ofs & (blocksize - 1)) != 0)
-+ return 1;
-+
-+ for (i = 0; i < 2; i++) {
-+ off = ofs + pagesize;
-+ bcma_cc_write32(nflash->bcc, NAND_CMD_ADDR, off);
-+ bcm47xx_nflash_cmd(nflash->bcc, NCMD_SPARE_RD);
-+ if (bcma_nflash_poll(nflash->bcc) < 0)
-+ break;
-+ if ((bcma_cc_read32(nflash->bcc, NAND_INTFC_STATUS) & NIST_SPARE_VALID) != NIST_SPARE_VALID)
-+ return 1;
-+ if ((bcma_cc_read32(nflash->bcc, NAND_SPARE_RD0) & 0xff) != 0xff)
-+ return 1;
-+ }
-+ return 0;
-+}
-+
-+const char *part_probes[] = { "cmdlinepart", NULL };
-+static int bcm47xx_probe(struct platform_device *pdev)
-+{
-+ struct nand_chip *nchip;
-+ struct mtd_info *mtd;
-+ struct bcm47xx_nflash *nflash = dev_get_platdata(&pdev->dev);
-+ int ret = 0;
-+
-+ mtd = &nflash->mtd;
-+ nchip = &nflash->nand;
-+
-+ /* Register with MTD */
-+ mtd->priv = nchip;
-+ mtd->owner = THIS_MODULE;
-+ mtd->dev.parent = &pdev->dev;
-+
-+ /* 50 us command delay time */
-+ nchip->chip_delay = 50;
-+
-+ nchip->priv = nflash;
-+ nchip->dev_ready = bcm47xx_dev_ready;
-+ nchip->cmdfunc = bcm47xx_command;
-+ nchip->select_chip = bcm47xx_select_chip;
-+ nchip->read_byte = bcm47xx_read_byte;
-+ nchip->read_word = bcm47xx_read_word;
-+ nchip->write_buf = bcm47xx_write_buf;
-+ nchip->read_buf = bcm47xx_read_buf;
-+ nchip->verify_buf = bcm47xx_verify_buf;
-+ nchip->block_bad = bcm47xx_block_bad;
-+ nchip->options = NAND_SKIP_BBTSCAN;
-+
-+ /* Not known */
-+ nchip->ecc.mode = NAND_ECC_NONE;
-+
-+ /* first scan to find the device and get the page size */
-+ if (nand_scan_ident(mtd, 1, NULL)) {
-+ pr_err("nand_scan_ident failed\n");
-+ ret = -ENXIO;
-+ goto done;
-+ }
-+ nflash->bcc->nflash.size = mtd->size;
-+ nflash->bcc->nflash.pagesize = 1 << nchip->page_shift;
-+ nflash->bcc->nflash.blocksize = mtd->erasesize;
-+ bcm47xx_nflash.size = mtd->size;
-+
-+ /* second phase scan */
-+ if (nand_scan_tail(mtd)) {
-+ pr_err("nand_scan_tail failed\n");
-+ ret = -ENXIO;
-+ goto done;
-+ }
-+
-+ mtd->name = "bcm47xx-nflash";
-+ mtd->flags |= MTD_WRITEABLE;
-+ ret = mtd_device_parse_register(mtd, part_probes, NULL, NULL, 0);
-+
-+ if (ret) {
-+ pr_err("mtd_device_register failed\n");
-+ return ret;
-+ }
-+
-+ return 0;
-+
-+done:
-+ return ret;
-+}
-+
-+static int __devexit bcm47xx_remove(struct platform_device *pdev)
-+{
-+ struct bcm47xx_nflash *nflash = dev_get_platdata(&pdev->dev);
-+ struct mtd_info *mtd = &nflash->mtd;
-+
-+ if (nflash) {
-+ /* Release resources, unregister device */
-+ nand_release(mtd);
-+ }
-+
-+ return 0;
-+}
-+
-+static struct platform_driver bcm47xx_driver = {
-+ .remove = __devexit_p(bcm47xx_remove),
-+ .driver = {
-+ .name = "bcm47xx_nflash",
-+ .owner = THIS_MODULE,
-+ },
-+};
-+
-+static int __init init_bcm47xx_nflash(void)
-+{
-+ int ret = platform_driver_probe(&bcm47xx_driver, bcm47xx_probe);
-+
-+ if (ret)
-+ pr_err("error registering platform driver: %i\n", ret);
-+ return ret;
-+}
-+
-+static void __exit exit_bcm47xx_nflash(void)
-+{
-+ platform_driver_unregister(&bcm47xx_driver);
-+}
-+
-+module_init(init_bcm47xx_nflash);
-+module_exit(exit_bcm47xx_nflash);
-+
-+MODULE_LICENSE("GPL");
-+MODULE_DESCRIPTION("BCM47XX NAND flash driver");
---- a/include/linux/bcma/bcma_driver_chipcommon.h
-+++ b/include/linux/bcma/bcma_driver_chipcommon.h
-@@ -436,6 +436,7 @@ struct bcma_chipcommon_pmu {
- enum bcma_flash_type {
- BCMA_PFLASH,
- BCMA_SFLASH,
-+ BCMA_NFLASH,
- };
-
- struct bcma_pflash {
-@@ -452,6 +453,14 @@ struct bcma_sflash {
- };
- #endif /* CONFIG_BCMA_SFLASH */
-
-+#ifdef CONFIG_BCMA_NFLASH
-+struct bcma_nflash {
-+ u32 blocksize; /* Block size */
-+ u32 pagesize; /* Page size */
-+ u32 size; /* Total size in bytes */
-+};
-+#endif
-+
- struct bcma_serial_port {
- void *regs;
- unsigned long clockspeed;
-@@ -477,6 +486,9 @@ struct bcma_drv_cc {
- #ifdef CONFIG_BCMA_SFLASH
- struct bcma_sflash sflash;
- #endif /* CONFIG_BCMA_SFLASH */
-+#ifdef CONFIG_BCMA_NFLASH
-+ struct bcma_nflash nflash;
-+#endif
- };
-
- int nr_serial_ports;
-@@ -542,4 +554,13 @@ int bcma_sflash_write(struct bcma_drv_cc
- int bcma_sflash_erase(struct bcma_drv_cc *cc, u32 offset);
- #endif /* CONFIG_BCMA_SFLASH */
-
-+#ifdef CONFIG_BCMA_NFLASH
-+/* Chipcommon nflash support. */
-+int bcma_nflash_read(struct bcma_drv_cc *cc, u32 offset, u32 len, u8 *buf);
-+int bcma_nflash_poll(struct bcma_drv_cc *cc);
-+int bcma_nflash_write(struct bcma_drv_cc *cc, u32 offset, u32 len, const u8 *buf);
-+int bcma_nflash_erase(struct bcma_drv_cc *cc, u32 offset);
-+int bcma_nflash_commit(struct bcma_drv_cc *cc, u32 offset, u32 len, const u8 *buf);
-+#endif
-+
- #endif /* LINUX_BCMA_DRIVER_CC_H_ */
---- /dev/null
-+++ b/include/linux/mtd/bcm47xx_nand.h
-@@ -0,0 +1,134 @@
-+/*
-+ * Broadcom chipcommon NAND flash interface
-+ *
-+ * Copyright (C) 2011-2012 Tathagata Das <tathagata@alumnux.com>
-+ * Copyright (C) 2009, Broadcom Corporation
-+ * All Rights Reserved.
-+ *
-+ * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY
-+ * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM
-+ * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
-+ * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE.
-+ *
-+ */
-+
-+#ifndef _nflash_h_
-+#define _nflash_h_
-+
-+#define NAND_FLASH1 0x1fc00000 /* MIPS Flash Region 1 */
-+
-+/* nand_cmd_start commands */
-+#define NCMD_NULL 0
-+#define NCMD_PAGE_RD 1
-+#define NCMD_SPARE_RD 2
-+#define NCMD_STATUS_RD 3
-+#define NCMD_PAGE_PROG 4
-+#define NCMD_SPARE_PROG 5
-+#define NCMD_COPY_BACK 6
-+#define NCMD_ID_RD 7
-+#define NCMD_BLOCK_ERASE 8
-+#define NCMD_FLASH_RESET 9
-+#define NCMD_LOCK 0xa
-+#define NCMD_LOCK_DOWN 0xb
-+#define NCMD_UNLOCK 0xc
-+#define NCMD_LOCK_STATUS 0xd
-+
-+/* nand_acc_control */
-+#define NAC_RD_ECC_EN 0x80000000
-+#define NAC_WR_ECC_EN 0x40000000
-+#define NAC_RD_ECC_BLK0_EN 0x20000000
-+#define NAC_FAST_PGM_RDIN 0x10000000
-+#define NAC_RD_ERASED_ECC_EN 0x08000000
-+#define NAC_PARTIAL_PAGE_EN 0x04000000
-+#define NAC_PAGE_HIT_EN 0x01000000
-+#define NAC_ECC_LEVEL0 0x00f00000
-+#define NAC_ECC_LEVEL 0x000f0000
-+#define NAC_SPARE_SIZE0 0x00003f00
-+#define NAC_SPARE_SIZE 0x0000003f
-+
-+/* nand_config */
-+#define NCF_CONFIG_LOCK 0x80000000
-+#define NCF_BLOCK_SIZE_MASK 0x70000000
-+#define NCF_BLOCK_SIZE_SHIFT 28
-+#define NCF_DEVICE_SIZE_MASK 0x0f000000
-+#define NCF_DEVICE_SIZE_SHIFT 24
-+#define NCF_DEVICE_WIDTH 0x00800000
-+#define NCF_PAGE_SIZE_MASK 0x00300000
-+#define NCF_PAGE_SIZE_SHIFT 20
-+#define NCF_FULL_ADDR_BYTES_MASK 0x00070000
-+#define NCF_FULL_ADDR_BYTES_SHIFT 16
-+#define NCF_COL_ADDR_BYTES_MASK 0x00007000
-+#define NCF_COL_ADDR_BYTES_SHIFT 12
-+#define NCF_BLK_ADDR_BYTES_MASK 0x00000700
-+#define NCF_BLK_ADDR_BYTES_SHIFT 8
-+
-+/* nand_intfc_status */
-+#define NIST_CTRL_READY 0x80000000
-+#define NIST_FLASH_READY 0x40000000
-+#define NIST_CACHE_VALID 0x20000000
-+#define NIST_SPARE_VALID 0x10000000
-+#define NIST_ERASED 0x08000000
-+#define NIST_STATUS 0x000000ff
-+
-+#define NFL_SECTOR_SIZE 512
-+
-+#define NFL_TABLE_END 0xffffffff
-+#define NFL_BOOT_SIZE 0x200000
-+#define NFL_BOOT_OS_SIZE 0x2000000
-+
-+/* Nand flash MLC controller registers (corerev >= 38) */
-+#define NAND_REVISION 0xC00
-+#define NAND_CMD_START 0xC04
-+#define NAND_CMD_ADDR_X 0xC08
-+#define NAND_CMD_ADDR 0xC0C
-+#define NAND_CMD_END_ADDR 0xC10
-+#define NAND_CS_NAND_SELECT 0xC14
-+#define NAND_CS_NAND_XOR 0xC18
-+#define NAND_SPARE_RD0 0xC20
-+#define NAND_SPARE_RD4 0xC24
-+#define NAND_SPARE_RD8 0xC28
-+#define NAND_SPARE_RD12 0xC2C
-+#define NAND_SPARE_WR0 0xC30
-+#define NAND_SPARE_WR4 0xC34
-+#define NAND_SPARE_WR8 0xC38
-+#define NAND_SPARE_WR12 0xC3C
-+#define NAND_ACC_CONTROL 0xC40
-+#define NAND_CONFIG 0xC48
-+#define NAND_TIMING_1 0xC50
-+#define NAND_TIMING_2 0xC54
-+#define NAND_SEMAPHORE 0xC58
-+#define NAND_DEVID 0xC60
-+#define NAND_DEVID_X 0xC64
-+#define NAND_BLOCK_LOCK_STATUS 0xC68
-+#define NAND_INTFC_STATUS 0xC6C
-+#define NAND_ECC_CORR_ADDR_X 0xC70
-+#define NAND_ECC_CORR_ADDR 0xC74
-+#define NAND_ECC_UNC_ADDR_X 0xC78
-+#define NAND_ECC_UNC_ADDR 0xC7C
-+#define NAND_READ_ERROR_COUNT 0xC80
-+#define NAND_CORR_STAT_THRESHOLD 0xC84
-+#define NAND_READ_ADDR_X 0xC90
-+#define NAND_READ_ADDR 0xC94
-+#define NAND_PAGE_PROGRAM_ADDR_X 0xC98
-+#define NAND_PAGE_PROGRAM_ADDR 0xC9C
-+#define NAND_COPY_BACK_ADDR_X 0xCA0
-+#define NAND_COPY_BACK_ADDR 0xCA4
-+#define NAND_BLOCK_ERASE_ADDR_X 0xCA8
-+#define NAND_BLOCK_ERASE_ADDR 0xCAC
-+#define NAND_INV_READ_ADDR_X 0xCB0
-+#define NAND_INV_READ_ADDR 0xCB4
-+#define NAND_BLK_WR_PROTECT 0xCC0
-+#define NAND_ACC_CONTROL_CS1 0xCD0
-+#define NAND_CONFIG_CS1 0xCD4
-+#define NAND_TIMING_1_CS1 0xCD8
-+#define NAND_TIMING_2_CS1 0xCDC
-+#define NAND_SPARE_RD16 0xD30
-+#define NAND_SPARE_RD20 0xD34
-+#define NAND_SPARE_RD24 0xD38
-+#define NAND_SPARE_RD28 0xD3C
-+#define NAND_CACHE_ADDR 0xD40
-+#define NAND_CACHE_DATA 0xD44
-+#define NAND_CTRL_CONFIG 0xD48
-+#define NAND_CTRL_STATUS 0xD4C
-+
-+#endif /* _nflash_h_ */
diff --git a/target/linux/brcm47xx/patches-3.3/025-mtd-bcm47xx-add-bcm47xx-part-parser.patch b/target/linux/brcm47xx/patches-3.3/050-mtd-add-bcm47xx-part-parser.patch
index 5381e2f6cc..5381e2f6cc 100644
--- a/target/linux/brcm47xx/patches-3.3/025-mtd-bcm47xx-add-bcm47xx-part-parser.patch
+++ b/target/linux/brcm47xx/patches-3.3/050-mtd-add-bcm47xx-part-parser.patch
diff --git a/target/linux/brcm47xx/patches-3.3/026-mtd-bcm47xx-add-parallel-flash-driver.patch b/target/linux/brcm47xx/patches-3.3/051-mtd-add-parallel-flash-driver.patch
index 7f8f64f28c..86336ed571 100644
--- a/target/linux/brcm47xx/patches-3.3/026-mtd-bcm47xx-add-parallel-flash-driver.patch
+++ b/target/linux/brcm47xx/patches-3.3/051-mtd-add-parallel-flash-driver.patch
@@ -25,7 +25,7 @@
+obj-$(CONFIG_MTD_BCM47XX_PFLASH)+= bcm47xx-pflash.o
--- /dev/null
+++ b/drivers/mtd/maps/bcm47xx-pflash.c
-@@ -0,0 +1,188 @@
+@@ -0,0 +1,196 @@
+/*
+ * Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org>
+ * Copyright (C) 2005 Waldemar Brodkorb <wbx@openwrt.org>
@@ -107,10 +107,10 @@
+
+static const char *probes[] = { "bcm47xx", NULL };
+
-+static int bcm47xx_mtd_probe(struct platform_device *pdev)
++static int bcm47xx_pflash_probe(struct platform_device *pdev)
+{
+#ifdef CONFIG_BCM47XX_SSB
-+ struct ssb_chipcommon *ssb_cc;
++ struct ssb_mipscore *ssb_mcore;
+#endif
+#ifdef CONFIG_BCM47XX_BCMA
+ struct bcma_drv_cc *bcma_cc;
@@ -120,19 +120,19 @@
+ switch (bcm47xx_bus_type) {
+#ifdef CONFIG_BCM47XX_SSB
+ case BCM47XX_BUS_TYPE_SSB:
-+ ssb_cc = &bcm47xx_bus.ssb.chipco;
-+ if (ssb_cc->flash_type != SSB_PFLASH)
++ ssb_mcore = &bcm47xx_bus.ssb.mipscore;
++ if (!ssb_mcore->pflash.present)
+ return -ENODEV;
+
-+ bcm47xx_map.phys = ssb_cc->pflash.window;
-+ bcm47xx_map.size = ssb_cc->pflash.window_size;
-+ bcm47xx_map.bankwidth = ssb_cc->pflash.buswidth;
++ bcm47xx_map.phys = ssb_mcore->pflash.window;
++ bcm47xx_map.size = ssb_mcore->pflash.window_size;
++ bcm47xx_map.bankwidth = ssb_mcore->pflash.buswidth;
+ break;
+#endif
+#ifdef CONFIG_BCM47XX_BCMA
+ case BCM47XX_BUS_TYPE_BCMA:
+ bcma_cc = &bcm47xx_bus.bcma.bus.drv_cc;
-+ if (bcma_cc->flash_type != BCMA_PFLASH)
++ if (!bcma_cc->pflash.present)
+ return -ENODEV;
+
+ bcm47xx_map.phys = bcma_cc->pflash.window;
@@ -179,7 +179,7 @@
+ return ret;
+}
+
-+static int __devexit bcm47xx_mtd_remove(struct platform_device *pdev)
++static int __devexit bcm47xx_pflash_remove(struct platform_device *pdev)
+{
+ mtd_device_unregister(bcm47xx_mtd);
+ map_destroy(bcm47xx_mtd);
@@ -187,30 +187,38 @@
+ return 0;
+}
+
-+static struct platform_driver bcm47xx_mtd_driver = {
-+ .remove = __devexit_p(bcm47xx_mtd_remove),
-+ .driver = {
-+ .name = "bcm47xx_pflash",
++static const struct platform_device_id bcm47xx_pflash_table[] = {
++ { "bcm47xx-pflash", 0 },
++ { }
++};
++MODULE_DEVICE_TABLE(platform, bcm47xx_pflash_table);
++
++static struct platform_driver bcm47xx_pflash_driver = {
++ .id_table = bcm47xx_pflash_table,
++ .probe = bcm47xx_pflash_probe,
++ .remove = __devexit_p(bcm47xx_pflash_remove),
++ .driver = {
++ .name = "bcm47xx-pflash",
+ .owner = THIS_MODULE,
+ },
+};
+
-+static int __init init_bcm47xx_mtd(void)
++static int __init init_bcm47xx_pflash(void)
+{
-+ int ret = platform_driver_probe(&bcm47xx_mtd_driver, bcm47xx_mtd_probe);
++ int ret = platform_driver_register(&bcm47xx_pflash_driver);
+
+ if (ret)
+ pr_err("error registering platform driver: %i\n", ret);
+ return ret;
+}
+
-+static void __exit exit_bcm47xx_mtd(void)
++static void __exit exit_bcm47xx_pflash(void)
+{
-+ platform_driver_unregister(&bcm47xx_mtd_driver);
++ platform_driver_unregister(&bcm47xx_pflash_driver);
+}
+
-+module_init(init_bcm47xx_mtd);
-+module_exit(exit_bcm47xx_mtd);
++module_init(init_bcm47xx_pflash);
++module_exit(exit_bcm47xx_pflash);
+
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("BCM47XX parallel flash driver");
diff --git a/target/linux/brcm47xx/patches-3.3/027-mtd-bcm47xx-add-serial-flash-driver.patch b/target/linux/brcm47xx/patches-3.3/052-mtd-add-serial-flash-driver.patch
index 3aec60c11e..1e408fa707 100644
--- a/target/linux/brcm47xx/patches-3.3/027-mtd-bcm47xx-add-serial-flash-driver.patch
+++ b/target/linux/brcm47xx/patches-3.3/052-mtd-add-serial-flash-driver.patch
@@ -25,7 +25,7 @@
+obj-$(CONFIG_MTD_BCM47XX_SFLASH)+= bcm47xx-sflash.o
--- /dev/null
+++ b/drivers/mtd/maps/bcm47xx-sflash.c
-@@ -0,0 +1,263 @@
+@@ -0,0 +1,270 @@
+/*
+ * Broadcom SiliconBackplane chipcommon serial flash interface
+ *
@@ -47,8 +47,7 @@
+#include <linux/errno.h>
+#include <linux/delay.h>
+#include <linux/platform_device.h>
-+#include <bcm47xx.h>
-+#include <bus.h>
++#include <linux/mtd/bcm47xx_sflash.h>
+
+static int
+sflash_mtd_poll(struct bcm47xx_sflash *sflash, unsigned int offset, int timeout)
@@ -262,17 +261,25 @@
+ return 0;
+}
+
++static const struct platform_device_id bcm47xx_sflash_table[] = {
++ { "bcm47xx-sflash", 0 },
++ { }
++};
++MODULE_DEVICE_TABLE(platform, bcm47xx_sflash_table);
++
+static struct platform_driver bcm47xx_sflash_driver = {
-+ .remove = __devexit_p(bcm47xx_sflash_remove),
-+ .driver = {
-+ .name = "bcm47xx_sflash",
++ .id_table = bcm47xx_sflash_table,
++ .probe = bcm47xx_sflash_probe,
++ .remove = __devexit_p(bcm47xx_sflash_remove),
++ .driver = {
++ .name = "bcm47xx-sflash",
+ .owner = THIS_MODULE,
+ },
+};
+
+static int __init init_bcm47xx_sflash(void)
+{
-+ int ret = platform_driver_probe(&bcm47xx_sflash_driver, bcm47xx_sflash_probe);
++ int ret = platform_driver_register(&bcm47xx_sflash_driver);
+
+ if (ret)
+ pr_err("error registering platform driver: %i\n", ret);
@@ -288,4 +295,41 @@
+module_exit(exit_bcm47xx_sflash);
+
+MODULE_LICENSE("GPL");
-+MODULE_DESCRIPTION("BCM47XX parallel flash driver");
++MODULE_DESCRIPTION("BCM47XX serial flash driver");
+--- /dev/null
++++ b/include/linux/mtd/bcm47xx_sflash.h
+@@ -0,0 +1,34 @@
++#ifndef LINUX_MTD_BCM47XX_SFLASH_H_
++#define LINUX_MTD_BCM47XX_SFLASH_H_
++
++#include <linux/mtd/mtd.h>
++
++enum bcm47xx_sflash_type {
++ BCM47XX_SFLASH_SSB,
++ BCM47XX_SFLASH_BCMA,
++};
++
++struct ssb_chipcommon;
++struct bcma_drv_cc;
++
++struct bcm47xx_sflash {
++ enum bcm47xx_sflash_type type;
++ union {
++ struct ssb_chipcommon *scc;
++ struct bcma_drv_cc *bcc;
++ };
++
++ bool present;
++ u16 numblocks;
++ u32 window;
++ u32 blocksize;
++ u32 size;
++
++ int (*read)(struct bcm47xx_sflash *dev, u32 offset, u32 len, u8 *buf);
++ int (*poll)(struct bcm47xx_sflash *dev, u32 offset);
++ int (*write)(struct bcm47xx_sflash *dev, u32 offset, u32 len, const u8 *buf);
++ int (*erase)(struct bcm47xx_sflash *dev, u32 offset);
++
++ struct mtd_info *mtd;
++};
++#endif /* LINUX_MTD_BCM47XX_SFLASH_H_ */
diff --git a/target/linux/brcm47xx/patches-3.3/053-mtd-add-nand-flash-driver.patch b/target/linux/brcm47xx/patches-3.3/053-mtd-add-nand-flash-driver.patch
new file mode 100644
index 0000000000..7635d424de
--- /dev/null
+++ b/target/linux/brcm47xx/patches-3.3/053-mtd-add-nand-flash-driver.patch
@@ -0,0 +1,710 @@
+--- a/drivers/mtd/nand/Kconfig
++++ b/drivers/mtd/nand/Kconfig
+@@ -536,4 +536,12 @@ config MTD_NAND_FSMC
+ Enables support for NAND Flash chips on the ST Microelectronics
+ Flexible Static Memory Controller (FSMC)
+
++config MTD_NAND_BCM47XX
++ tristate "bcm47xx nand flash support"
++ default y
++ depends on BCM47XX && BCMA_NFLASH
++ select MTD_PARTITIONS
++ help
++ Support for bcm47xx nand flash
++
+ endif # MTD_NAND
+--- a/drivers/mtd/nand/Makefile
++++ b/drivers/mtd/nand/Makefile
+@@ -49,5 +49,6 @@ obj-$(CONFIG_MTD_NAND_MPC5121_NFC) += mp
+ obj-$(CONFIG_MTD_NAND_RICOH) += r852.o
+ obj-$(CONFIG_MTD_NAND_JZ4740) += jz4740_nand.o
+ obj-$(CONFIG_MTD_NAND_GPMI_NAND) += gpmi-nand/
++obj-$(CONFIG_MTD_NAND_BCM47XX) += bcm47xx_nand.o
+
+ nand-objs := nand_base.o nand_bbt.o
+--- /dev/null
++++ b/drivers/mtd/nand/bcm47xx_nand.c
+@@ -0,0 +1,528 @@
++/*
++ * BCMA nand flash interface
++ *
++ * Copyright (C) 2011-2012 Tathagata Das <tathagata@alumnux.com>
++ * Copyright 2010, Broadcom Corporation
++ *
++ * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY
++ * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM
++ * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
++ * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE.
++ *
++ */
++
++#define pr_fmt(fmt) "bcm47xx_nflash: " fmt
++#include <linux/module.h>
++#include <linux/slab.h>
++#include <linux/ioport.h>
++#include <linux/sched.h>
++#include <linux/mtd/mtd.h>
++#include <linux/mtd/map.h>
++#include <linux/mtd/partitions.h>
++#include <linux/errno.h>
++#include <linux/delay.h>
++#include <linux/platform_device.h>
++#include <bcm47xx.h>
++#include <linux/cramfs_fs.h>
++#include <linux/romfs_fs.h>
++#include <linux/magic.h>
++#include <linux/byteorder/generic.h>
++#include <linux/mtd/bcm47xx_nand.h>
++#include <linux/mtd/nand.h>
++
++static int bcm47xx_nflash_block_bad(struct mtd_info *mtd, loff_t ofs, int getchip);
++static int bcm47xx_nflash_erase(struct mtd_info *mtd, unsigned int addr, unsigned int len);
++
++/* Private Global variable */
++static u32 read_offset = 0;
++static u32 write_offset;
++
++static int
++nflash_mtd_poll(struct bcm47xx_nflash *nflash, unsigned int offset, int timeout)
++{
++ unsigned long now = jiffies;
++ int ret = 0;
++
++ for (;;) {
++ if (!bcma_nflash_poll(nflash->bcc)) {
++ ret = 0;
++ break;
++ }
++ if (time_after(jiffies, now + timeout)) {
++ pr_err("timeout while polling\n");
++ ret = -ETIMEDOUT;
++ break;
++ }
++ udelay(1);
++ }
++
++ return ret;
++}
++
++static int
++bcm47xx_nflash_read(struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf)
++{
++ struct nand_chip *nchip = (struct nand_chip *)mtd->priv;
++ struct bcm47xx_nflash *nflash = (struct bcm47xx_nflash *)nchip->priv;
++ int bytes, ret = 0;
++ u32 extra = 0;
++ u8 *tmpbuf = NULL;
++ int size;
++ u32 offset, blocksize, mask, off;
++ u32 skip_bytes = 0;
++ int need_copy = 0;
++ u8 *ptr = NULL;
++
++ /* Check address range */
++ if (!len)
++ return 0;
++ if ((from + len) > mtd->size)
++ return -EINVAL;
++ offset = from;
++ if ((offset & (NFL_SECTOR_SIZE - 1)) != 0) {
++ extra = offset & (NFL_SECTOR_SIZE - 1);
++ offset -= extra;
++ len += extra;
++ need_copy = 1;
++ }
++ size = (len + (NFL_SECTOR_SIZE - 1)) & ~(NFL_SECTOR_SIZE - 1);
++ if (size != len) {
++ need_copy = 1;
++ }
++ if (!need_copy) {
++ ptr = buf;
++ } else {
++ tmpbuf = (u8 *)kmalloc(size, GFP_KERNEL);
++ ptr = tmpbuf;
++ }
++
++ blocksize = mtd->erasesize;
++ mask = blocksize - 1;
++ *retlen = 0;
++ while (len > 0) {
++ off = offset + skip_bytes;
++ if ((bytes = bcma_nflash_read(nflash->bcc, off, NFL_SECTOR_SIZE, ptr)) < 0) {
++ ret = bytes;
++ goto done;
++ }
++ if (bytes > len)
++ bytes = len;
++ offset += bytes;
++ len -= bytes;
++ ptr += bytes;
++ *retlen += bytes;
++ }
++
++done:
++ if (tmpbuf) {
++ *retlen -= extra;
++ memcpy(buf, tmpbuf+extra, *retlen);
++ kfree(tmpbuf);
++ }
++
++ return ret;
++}
++
++static void bcm47xx_nflash_write(struct mtd_info *mtd, u32 to, const u_char *buf, u32 len)
++{
++ struct nand_chip *nchip = (struct nand_chip *)mtd->priv;
++ struct bcm47xx_nflash *nflash = (struct bcm47xx_nflash *)nchip->priv;
++ u32 offset, blocksize, mask, off;
++ int read_len;
++ u32 copy_len, write_len, from;
++ u_char *write_ptr, *block;
++ const u_char *ptr;
++ int ret, bytes;
++
++ /* Check address range */
++ if (!len) {
++ pr_err("Error: Attempted to write too small data\n");
++ return;
++ }
++
++ if (!to)
++ return;
++
++ if ((to + len) > mtd->size) {
++ pr_err("Error: Attempted to write too large data\n");
++ return;
++ }
++
++ ptr = buf;
++ block = NULL;
++ offset = to;
++ blocksize = mtd->erasesize;
++ if (!(block = kmalloc(blocksize, GFP_KERNEL)))
++ return;
++ mask = blocksize - 1;
++ while (len) {
++ /* Align offset */
++ from = offset & ~mask;
++ /* Copy existing data into holding block if necessary */
++ if (((offset & (blocksize-1)) != 0) || (len < blocksize)) {
++ if ((ret = bcm47xx_nflash_read(mtd, from, blocksize, &read_len, block)))
++ goto done;
++ if (read_len != blocksize) {
++ ret = -EINVAL;
++ goto done;
++ }
++ }
++
++ /* Copy input data into holding block */
++ copy_len = min(len, blocksize - (offset & mask));
++ memcpy(block + (offset & mask), ptr, copy_len);
++ off = (uint) from;
++ /* Erase block */
++ if ((ret = bcm47xx_nflash_erase(mtd, off, blocksize)) < 0)
++ goto done;
++ /* Write holding block */
++ write_ptr = block;
++ write_len = blocksize;
++ if ((bytes = bcma_nflash_write(nflash->bcc, (uint)from, (uint)write_len, (u8 *) write_ptr)) != 0) {
++ ret = bytes;
++ goto done;
++ }
++ offset += copy_len;
++ if (len < copy_len)
++ len = 0;
++ else
++ len -= copy_len;
++ ptr += copy_len;
++ }
++
++done:
++ if (block)
++ kfree(block);
++ return;
++}
++
++static int bcm47xx_nflash_erase(struct mtd_info *mtd, unsigned int addr, unsigned int len)
++{
++ struct nand_chip *nchip = (struct nand_chip *)mtd->priv;
++ struct bcm47xx_nflash *nflash = (struct bcm47xx_nflash *)nchip->priv;
++
++ /* Check address range */
++ if (!len)
++ return 1;
++ if ((addr + len) > mtd->size)
++ return 1;
++
++ if (bcma_nflash_erase(nflash->bcc, addr)) {
++ pr_err("ERASE: nflash erase error\n");
++ return 1;
++ }
++
++ if (nflash_mtd_poll(nflash, addr, 10 * HZ)) {
++ pr_err("ERASE: nflash_mtd_poll error\n");
++ return 1;
++ }
++
++ return 0;
++}
++
++/* This functions is used by upper layer to checks if device is ready */
++static int bcm47xx_nflash_dev_ready(struct mtd_info *mtd)
++{
++ return 1;
++}
++
++/* Issue a nand flash command */
++static inline void bcm47xx_nflash_cmd(struct bcma_drv_cc *cc, u32 opcode)
++{
++ bcma_cc_write32(cc, NAND_CMD_START, opcode);
++ bcma_cc_read32(cc, NAND_CMD_START);
++}
++
++static void bcm47xx_nflash_command(struct mtd_info *mtd, unsigned command,
++ int column, int page_addr)
++{
++ struct nand_chip *nchip = (struct nand_chip *)mtd->priv;
++ struct bcm47xx_nflash *nflash = (struct bcm47xx_nflash *)nchip->priv;
++ u32 pagesize = 1 << nchip->page_shift;
++
++ /* Command pre-processing step */
++ switch (command) {
++ case NAND_CMD_RESET:
++ bcm47xx_nflash_cmd(nflash->bcc, NCMD_FLASH_RESET);
++ break;
++
++ case NAND_CMD_STATUS:
++ nflash->next_opcode = NAND_CMD_STATUS;
++ read_offset = 0;
++ write_offset = 0;
++ break;
++
++ case NAND_CMD_READ0:
++ read_offset = page_addr * pagesize;
++ nflash->next_opcode = 0;
++ break;
++
++ case NAND_CMD_READOOB:
++ read_offset = page_addr * pagesize;
++ nflash->next_opcode = 0;
++ break;
++
++ case NAND_CMD_SEQIN:
++ write_offset = page_addr * pagesize;
++ nflash->next_opcode = 0;
++ break;
++
++ case NAND_CMD_PAGEPROG:
++ nflash->next_opcode = 0;
++ break;
++
++ case NAND_CMD_READID:
++ read_offset = column;
++ bcm47xx_nflash_cmd(nflash->bcc, NCMD_ID_RD);
++ nflash->next_opcode = NAND_DEVID;
++ break;
++
++ case NAND_CMD_ERASE1:
++ nflash->next_opcode = 0;
++ bcm47xx_nflash_erase(mtd, page_addr*pagesize, pagesize);
++ break;
++
++ case NAND_CMD_ERASE2:
++ break;
++
++ case NAND_CMD_RNDOUT:
++ if (column > mtd->writesize)
++ read_offset += (column - mtd->writesize);
++ else
++ read_offset += column;
++ break;
++
++ default:
++ pr_err("COMMAND not supported %x\n", command);
++ nflash->next_opcode = 0;
++ break;
++ }
++}
++
++/* This function is used by upper layer for select and
++ * deselect of the NAND chip.
++ * It is dummy function. */
++static void bcm47xx_nflash_select_chip(struct mtd_info *mtd, int chip)
++{
++}
++
++static u_char bcm47xx_nflash_read_byte(struct mtd_info *mtd)
++{
++ struct nand_chip *nchip = mtd->priv;
++ struct bcm47xx_nflash *nflash = (struct bcm47xx_nflash *)nchip->priv;
++ uint8_t ret = 0;
++ static u32 id;
++
++ if (nflash->next_opcode == 0)
++ return ret;
++
++ if (nflash->next_opcode == NAND_CMD_STATUS)
++ return NAND_STATUS_WP;
++
++ id = bcma_cc_read32(nflash->bcc, nflash->next_opcode);
++
++ if (nflash->next_opcode == NAND_DEVID) {
++ ret = (id >> (8*read_offset)) & 0xff;
++ read_offset++;
++ }
++
++ return ret;
++}
++
++static uint16_t bcm47xx_nflash_read_word(struct mtd_info *mtd)
++{
++ loff_t from = read_offset;
++ uint16_t buf = 0;
++ int bytes;
++
++ bcm47xx_nflash_read(mtd, from, sizeof(buf), &bytes, (u_char *)&buf);
++ return buf;
++}
++
++/* Write data of length len to buffer buf. The data to be
++ * written on NAND Flash is first copied to RAMbuffer. After the Data Input
++ * Operation by the NFC, the data is written to NAND Flash */
++static void bcm47xx_nflash_write_buf(struct mtd_info *mtd,
++ const u_char *buf, int len)
++{
++ bcm47xx_nflash_write(mtd, write_offset, buf, len);
++}
++
++/* Read the data buffer from the NAND Flash. To read the data from NAND
++ * Flash first the data output cycle is initiated by the NFC, which copies
++ * the data to RAMbuffer. This data of length len is then copied to buffer buf.
++ */
++static void bcm47xx_nflash_read_buf(struct mtd_info *mtd, u_char *buf, int len)
++{
++ loff_t from = read_offset;
++ int bytes;
++
++ bcm47xx_nflash_read(mtd, from, len, &bytes, buf);
++}
++
++/* Used by the upper layer to verify the data in NAND Flash
++ * with the data in the buf. */
++static int bcm47xx_nflash_verify_buf(struct mtd_info *mtd,
++ const u_char *buf, int len)
++{
++ return -EFAULT;
++}
++
++static int bcm47xx_nflash_block_bad(struct mtd_info *mtd, loff_t ofs, int getchip)
++{
++ struct nand_chip *nchip = mtd->priv;
++ struct bcm47xx_nflash *nflash = (struct bcm47xx_nflash *)nchip->priv;
++ int i;
++ uint off;
++ u32 pagesize = 1 << nchip->page_shift;
++ u32 blocksize = mtd->erasesize;
++
++ if ((ofs >> 20) >= nflash->size)
++ return 1;
++ if ((ofs & (blocksize - 1)) != 0)
++ return 1;
++
++ for (i = 0; i < 2; i++) {
++ off = ofs + pagesize;
++ bcma_cc_write32(nflash->bcc, NAND_CMD_ADDR, off);
++ bcm47xx_nflash_cmd(nflash->bcc, NCMD_SPARE_RD);
++ if (bcma_nflash_poll(nflash->bcc) < 0)
++ break;
++ if ((bcma_cc_read32(nflash->bcc, NAND_INTFC_STATUS) & NIST_SPARE_VALID) != NIST_SPARE_VALID)
++ return 1;
++ if ((bcma_cc_read32(nflash->bcc, NAND_SPARE_RD0) & 0xff) != 0xff)
++ return 1;
++ }
++ return 0;
++}
++
++const char *part_probes[] = { "cmdlinepart", NULL };
++static int bcm47xx_nflash_probe(struct platform_device *pdev)
++{
++ struct nand_chip *nchip;
++ struct mtd_info *mtd;
++ struct bcm47xx_nflash *nflash = dev_get_platdata(&pdev->dev);
++ int ret = 0;
++
++ mtd = kzalloc(sizeof(struct mtd_info), GFP_KERNEL);
++ if (!mtd){
++ ret = -ENOMEM;
++ goto err_out;
++ }
++
++ nchip = kzalloc(sizeof(struct nand_chip), GFP_KERNEL);
++ if (!nchip) {
++ ret = -ENOMEM;
++ goto err_free_mtd;
++ }
++
++ /* Register with MTD */
++ mtd->priv = nchip;
++ mtd->owner = THIS_MODULE;
++ mtd->dev.parent = &pdev->dev;
++
++ /* 50 us command delay time */
++ nchip->chip_delay = 50;
++
++ nchip->priv = nflash;
++ nchip->dev_ready = bcm47xx_nflash_dev_ready;
++ nchip->cmdfunc = bcm47xx_nflash_command;
++ nchip->select_chip = bcm47xx_nflash_select_chip;
++ nchip->read_byte = bcm47xx_nflash_read_byte;
++ nchip->read_word = bcm47xx_nflash_read_word;
++ nchip->write_buf = bcm47xx_nflash_write_buf;
++ nchip->read_buf = bcm47xx_nflash_read_buf;
++ nchip->verify_buf = bcm47xx_nflash_verify_buf;
++ nchip->block_bad = bcm47xx_nflash_block_bad;
++ nchip->options = NAND_SKIP_BBTSCAN;
++
++ /* Not known */
++ nchip->ecc.mode = NAND_ECC_NONE;
++
++ /* first scan to find the device and get the page size */
++ if (nand_scan_ident(mtd, 1, NULL)) {
++ pr_err("nand_scan_ident failed\n");
++ ret = -ENXIO;
++ goto err_free_nchip;
++ }
++ nflash->size = mtd->size;
++ nflash->pagesize = 1 << nchip->page_shift;
++ nflash->blocksize = mtd->erasesize;
++ nflash->mtd = mtd;
++
++ /* second phase scan */
++ if (nand_scan_tail(mtd)) {
++ pr_err("nand_scan_tail failed\n");
++ ret = -ENXIO;
++ goto err_free_nchip;
++ }
++
++ mtd->name = "bcm47xx-nflash";
++ mtd->flags |= MTD_WRITEABLE;
++ ret = mtd_device_parse_register(mtd, part_probes, NULL, NULL, 0);
++
++ if (ret) {
++ pr_err("mtd_device_register failed\n");
++ goto err_free_nchip;
++ }
++
++ return 0;
++
++err_free_nchip:
++ kfree(nchip);
++err_free_mtd:
++ kfree(mtd);
++err_out:
++ return ret;
++}
++
++static int __devexit bcm47xx_nflash_remove(struct platform_device *pdev)
++{
++ struct bcm47xx_nflash *nflash = dev_get_platdata(&pdev->dev);
++ struct mtd_info *mtd = nflash->mtd;
++
++ if (nflash) {
++ /* Release resources, unregister device */
++ nand_release(mtd);
++ kfree(mtd->priv);
++ kfree(mtd);
++ }
++
++ return 0;
++}
++
++static const struct platform_device_id bcm47xx_nflash_table[] = {
++ { "bcm47xx-nflash", 0 },
++ { }
++};
++MODULE_DEVICE_TABLE(platform, bcm47xx_nflash_table);
++
++static struct platform_driver bcm47xx_nflash_driver = {
++ .id_table = bcm47xx_nflash_table,
++ .probe = bcm47xx_nflash_probe,
++ .remove = __devexit_p(bcm47xx_nflash_remove),
++ .driver = {
++ .name = "bcm47xx-nflash",
++ .owner = THIS_MODULE,
++ },
++};
++
++static int __init init_bcm47xx_nflash(void)
++{
++ int ret = platform_driver_register(&bcm47xx_nflash_driver);
++
++ if (ret)
++ pr_err("error registering platform driver: %i\n", ret);
++ return ret;
++}
++
++static void __exit exit_bcm47xx_nflash(void)
++{
++ platform_driver_unregister(&bcm47xx_nflash_driver);
++}
++
++module_init(init_bcm47xx_nflash);
++module_exit(exit_bcm47xx_nflash);
++
++MODULE_LICENSE("GPL");
++MODULE_DESCRIPTION("BCM47XX NAND flash driver");
+--- /dev/null
++++ b/include/linux/mtd/bcm47xx_nand.h
+@@ -0,0 +1,152 @@
++/*
++ * Broadcom chipcommon NAND flash interface
++ *
++ * Copyright (C) 2011-2012 Tathagata Das <tathagata@alumnux.com>
++ * Copyright (C) 2009, Broadcom Corporation
++ * All Rights Reserved.
++ *
++ * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY
++ * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM
++ * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
++ * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE.
++ *
++ */
++
++#ifndef LINUX_MTD_BCM47XX_NAND_H_
++#define LINUX_MTD_BCM47XX_NAND_H_
++
++#include <linux/mtd/mtd.h>
++
++#define NAND_FLASH1 0x1fc00000 /* MIPS Flash Region 1 */
++
++/* nand_cmd_start commands */
++#define NCMD_NULL 0
++#define NCMD_PAGE_RD 1
++#define NCMD_SPARE_RD 2
++#define NCMD_STATUS_RD 3
++#define NCMD_PAGE_PROG 4
++#define NCMD_SPARE_PROG 5
++#define NCMD_COPY_BACK 6
++#define NCMD_ID_RD 7
++#define NCMD_BLOCK_ERASE 8
++#define NCMD_FLASH_RESET 9
++#define NCMD_LOCK 0xa
++#define NCMD_LOCK_DOWN 0xb
++#define NCMD_UNLOCK 0xc
++#define NCMD_LOCK_STATUS 0xd
++
++/* nand_acc_control */
++#define NAC_RD_ECC_EN 0x80000000
++#define NAC_WR_ECC_EN 0x40000000
++#define NAC_RD_ECC_BLK0_EN 0x20000000
++#define NAC_FAST_PGM_RDIN 0x10000000
++#define NAC_RD_ERASED_ECC_EN 0x08000000
++#define NAC_PARTIAL_PAGE_EN 0x04000000
++#define NAC_PAGE_HIT_EN 0x01000000
++#define NAC_ECC_LEVEL0 0x00f00000
++#define NAC_ECC_LEVEL 0x000f0000
++#define NAC_SPARE_SIZE0 0x00003f00
++#define NAC_SPARE_SIZE 0x0000003f
++
++/* nand_config */
++#define NCF_CONFIG_LOCK 0x80000000
++#define NCF_BLOCK_SIZE_MASK 0x70000000
++#define NCF_BLOCK_SIZE_SHIFT 28
++#define NCF_DEVICE_SIZE_MASK 0x0f000000
++#define NCF_DEVICE_SIZE_SHIFT 24
++#define NCF_DEVICE_WIDTH 0x00800000
++#define NCF_PAGE_SIZE_MASK 0x00300000
++#define NCF_PAGE_SIZE_SHIFT 20
++#define NCF_FULL_ADDR_BYTES_MASK 0x00070000
++#define NCF_FULL_ADDR_BYTES_SHIFT 16
++#define NCF_COL_ADDR_BYTES_MASK 0x00007000
++#define NCF_COL_ADDR_BYTES_SHIFT 12
++#define NCF_BLK_ADDR_BYTES_MASK 0x00000700
++#define NCF_BLK_ADDR_BYTES_SHIFT 8
++
++/* nand_intfc_status */
++#define NIST_CTRL_READY 0x80000000
++#define NIST_FLASH_READY 0x40000000
++#define NIST_CACHE_VALID 0x20000000
++#define NIST_SPARE_VALID 0x10000000
++#define NIST_ERASED 0x08000000
++#define NIST_STATUS 0x000000ff
++
++#define NFL_SECTOR_SIZE 512
++
++#define NFL_TABLE_END 0xffffffff
++#define NFL_BOOT_SIZE 0x200000
++#define NFL_BOOT_OS_SIZE 0x2000000
++
++/* Nand flash MLC controller registers (corerev >= 38) */
++#define NAND_REVISION 0xC00
++#define NAND_CMD_START 0xC04
++#define NAND_CMD_ADDR_X 0xC08
++#define NAND_CMD_ADDR 0xC0C
++#define NAND_CMD_END_ADDR 0xC10
++#define NAND_CS_NAND_SELECT 0xC14
++#define NAND_CS_NAND_XOR 0xC18
++#define NAND_SPARE_RD0 0xC20
++#define NAND_SPARE_RD4 0xC24
++#define NAND_SPARE_RD8 0xC28
++#define NAND_SPARE_RD12 0xC2C
++#define NAND_SPARE_WR0 0xC30
++#define NAND_SPARE_WR4 0xC34
++#define NAND_SPARE_WR8 0xC38
++#define NAND_SPARE_WR12 0xC3C
++#define NAND_ACC_CONTROL 0xC40
++#define NAND_CONFIG 0xC48
++#define NAND_TIMING_1 0xC50
++#define NAND_TIMING_2 0xC54
++#define NAND_SEMAPHORE 0xC58
++#define NAND_DEVID 0xC60
++#define NAND_DEVID_X 0xC64
++#define NAND_BLOCK_LOCK_STATUS 0xC68
++#define NAND_INTFC_STATUS 0xC6C
++#define NAND_ECC_CORR_ADDR_X 0xC70
++#define NAND_ECC_CORR_ADDR 0xC74
++#define NAND_ECC_UNC_ADDR_X 0xC78
++#define NAND_ECC_UNC_ADDR 0xC7C
++#define NAND_READ_ERROR_COUNT 0xC80
++#define NAND_CORR_STAT_THRESHOLD 0xC84
++#define NAND_READ_ADDR_X 0xC90
++#define NAND_READ_ADDR 0xC94
++#define NAND_PAGE_PROGRAM_ADDR_X 0xC98
++#define NAND_PAGE_PROGRAM_ADDR 0xC9C
++#define NAND_COPY_BACK_ADDR_X 0xCA0
++#define NAND_COPY_BACK_ADDR 0xCA4
++#define NAND_BLOCK_ERASE_ADDR_X 0xCA8
++#define NAND_BLOCK_ERASE_ADDR 0xCAC
++#define NAND_INV_READ_ADDR_X 0xCB0
++#define NAND_INV_READ_ADDR 0xCB4
++#define NAND_BLK_WR_PROTECT 0xCC0
++#define NAND_ACC_CONTROL_CS1 0xCD0
++#define NAND_CONFIG_CS1 0xCD4
++#define NAND_TIMING_1_CS1 0xCD8
++#define NAND_TIMING_2_CS1 0xCDC
++#define NAND_SPARE_RD16 0xD30
++#define NAND_SPARE_RD20 0xD34
++#define NAND_SPARE_RD24 0xD38
++#define NAND_SPARE_RD28 0xD3C
++#define NAND_CACHE_ADDR 0xD40
++#define NAND_CACHE_DATA 0xD44
++#define NAND_CTRL_CONFIG 0xD48
++#define NAND_CTRL_STATUS 0xD4C
++
++struct bcma_drv_cc;
++
++struct bcm47xx_nflash {
++ struct bcma_drv_cc *bcc;
++
++ bool present;
++ bool boot; /* This is the flash the SoC boots from */
++ u32 blocksize; /* Block size */
++ u32 pagesize; /* Page size */
++
++ u32 size; /* Total size in bytes */
++ u32 next_opcode; /* Next expected command from upper NAND layer */
++
++ struct mtd_info *mtd;
++};
++
++#endif /* LINUX_MTD_BCM47XX_NAND_H_ */
diff --git a/target/linux/brcm47xx/patches-3.3/060-ssb-add-serial-flash-driver.patch b/target/linux/brcm47xx/patches-3.3/060-ssb-add-serial-flash-driver.patch
new file mode 100644
index 0000000000..d65fc0a5b4
--- /dev/null
+++ b/target/linux/brcm47xx/patches-3.3/060-ssb-add-serial-flash-driver.patch
@@ -0,0 +1,527 @@
+--- a/drivers/ssb/Kconfig
++++ b/drivers/ssb/Kconfig
+@@ -143,6 +143,11 @@ config SSB_EMBEDDED
+ depends on SSB_DRIVER_MIPS
+ default y
+
++config SSB_SFLASH
++ bool
++ depends on SSB_DRIVER_MIPS
++ default y
++
+ config SSB_DRIVER_EXTIF
+ bool "SSB Broadcom EXTIF core driver"
+ depends on SSB_DRIVER_MIPS
+--- a/drivers/ssb/Makefile
++++ b/drivers/ssb/Makefile
+@@ -11,6 +11,7 @@ ssb-$(CONFIG_SSB_SDIOHOST) += sdio.o
+ # built-in drivers
+ ssb-y += driver_chipcommon.o
+ ssb-y += driver_chipcommon_pmu.o
++ssb-$(CONFIG_SSB_SFLASH) += driver_chipcommon_sflash.o
+ ssb-$(CONFIG_SSB_DRIVER_MIPS) += driver_mipscore.o
+ ssb-$(CONFIG_SSB_DRIVER_EXTIF) += driver_extif.o
+ ssb-$(CONFIG_SSB_DRIVER_PCICORE) += driver_pcicore.o
+--- /dev/null
++++ b/drivers/ssb/driver_chipcommon_sflash.c
+@@ -0,0 +1,395 @@
++/*
++ * Broadcom specific AMBA
++ * ChipCommon serial flash interface
++ * Copyright 2011, Jonas Gorski <jonas.gorski@gmail.com>
++ * Copyright 2011, 2012, Hauke Mehrtens <hauke@hauke-m.de>
++ * Copyright 2010, Broadcom Corporation
++ *
++ * Licensed under the GNU/GPL. See COPYING for details.
++ */
++
++#include <linux/platform_device.h>
++#include <linux/delay.h>
++#include <linux/ssb/ssb.h>
++#include <linux/ssb/ssb_driver_chipcommon.h>
++
++#include "ssb_private.h"
++
++#define NUM_RETRIES 3
++
++static struct resource ssb_sflash_resource = {
++ .name = "ssb_sflash",
++ .start = SSB_FLASH2,
++ .end = 0,
++ .flags = IORESOURCE_MEM | IORESOURCE_READONLY,
++};
++
++struct platform_device ssb_sflash_dev = {
++ .name = "bcm47xx-sflash",
++ .resource = &ssb_sflash_resource,
++ .num_resources = 1,
++};
++
++struct ssb_sflash_tbl_e {
++ char *name;
++ u32 id;
++ u32 blocksize;
++ u16 numblocks;
++};
++
++static const struct ssb_sflash_tbl_e ssb_sflash_st_tbl[] = {
++ { "M25P20", 0x11, 0x10000, 4, },
++ { "M25P40", 0x12, 0x10000, 8, },
++
++ { "M25P16", 0x14, 0x10000, 32, },
++ { "M25P32", 0x14, 0x10000, 64, },
++ { "M25P64", 0x16, 0x10000, 128, },
++ { "M25FL128", 0x17, 0x10000, 256, },
++ { 0 },
++};
++
++static const struct ssb_sflash_tbl_e ssb_sflash_sst_tbl[] = {
++ { "SST25WF512", 1, 0x1000, 16, },
++ { "SST25VF512", 0x48, 0x1000, 16, },
++ { "SST25WF010", 2, 0x1000, 32, },
++ { "SST25VF010", 0x49, 0x1000, 32, },
++ { "SST25WF020", 3, 0x1000, 64, },
++ { "SST25VF020", 0x43, 0x1000, 64, },
++ { "SST25WF040", 4, 0x1000, 128, },
++ { "SST25VF040", 0x44, 0x1000, 128, },
++ { "SST25VF040B", 0x8d, 0x1000, 128, },
++ { "SST25WF080", 5, 0x1000, 256, },
++ { "SST25VF080B", 0x8e, 0x1000, 256, },
++ { "SST25VF016", 0x41, 0x1000, 512, },
++ { "SST25VF032", 0x4a, 0x1000, 1024, },
++ { "SST25VF064", 0x4b, 0x1000, 2048, },
++ { 0 },
++};
++
++static const struct ssb_sflash_tbl_e ssb_sflash_at_tbl[] = {
++ { "AT45DB011", 0xc, 256, 512, },
++ { "AT45DB021", 0x14, 256, 1024, },
++ { "AT45DB041", 0x1c, 256, 2048, },
++ { "AT45DB081", 0x24, 256, 4096, },
++ { "AT45DB161", 0x2c, 512, 4096, },
++ { "AT45DB321", 0x34, 512, 8192, },
++ { "AT45DB642", 0x3c, 1024, 8192, },
++ { 0 },
++};
++
++static void ssb_sflash_cmd(struct ssb_chipcommon *chipco, u32 opcode)
++{
++ int i;
++ chipco_write32(chipco, SSB_CHIPCO_FLASHCTL,
++ SSB_CHIPCO_FLASHCTL_START | opcode);
++ for (i = 0; i < 1000; i++) {
++ if (!(chipco_read32(chipco, SSB_CHIPCO_FLASHCTL) &
++ SSB_CHIPCO_FLASHCTL_BUSY))
++ return;
++ cpu_relax();
++ }
++ pr_err("SFLASH control command failed (timeout)!\n");
++}
++
++static void ssb_sflash_write_u8(struct ssb_chipcommon *chipco, u32 offset, u8 byte)
++{
++ chipco_write32(chipco, SSB_CHIPCO_FLASHADDR, offset);
++ chipco_write32(chipco, SSB_CHIPCO_FLASHDATA, byte);
++}
++
++/* Read len bytes starting at offset into buf. Returns number of bytes read. */
++static int ssb_sflash_read(struct bcm47xx_sflash *dev, u32 offset, u32 len, u8 *buf)
++{
++ u8 *from, *to;
++ u32 cnt, i;
++ struct ssb_chipcommon *chipco = dev->scc;
++
++ if (!len)
++ return 0;
++
++ if ((offset + len) > chipco->sflash.size)
++ return -EINVAL;
++
++ if ((len >= 4) && (offset & 3))
++ cnt = 4 - (offset & 3);
++ else if ((len >= 4) && ((u32)buf & 3))
++ cnt = 4 - ((u32)buf & 3);
++ else
++ cnt = len;
++
++ from = (u8 *)KSEG0ADDR(SSB_FLASH2 + offset);
++
++ to = (u8 *)buf;
++
++ if (cnt < 4) {
++ for (i = 0; i < cnt; i++) {
++ *to = readb(from);
++ from++;
++ to++;
++ }
++ return cnt;
++ }
++
++ while (cnt >= 4) {
++ *(u32 *)to = readl(from);
++ from += 4;
++ to += 4;
++ cnt -= 4;
++ }
++
++ return len - cnt;
++}
++
++/* Poll for command completion. Returns zero when complete. */
++static int ssb_sflash_poll(struct bcm47xx_sflash *dev, u32 offset)
++{
++ struct ssb_chipcommon *chipco = dev->scc;
++
++ if (offset >= chipco->sflash.size)
++ return -22;
++
++ switch (chipco->capabilities & SSB_CHIPCO_CAP_FLASHT) {
++ case SSB_CHIPCO_FLASHT_STSER:
++ /* Check for ST Write In Progress bit */
++ ssb_sflash_cmd(chipco, SSB_CHIPCO_FLASHCTL_ST_RDSR);
++ return chipco_read32(chipco, SSB_CHIPCO_FLASHDATA)
++ & SSB_CHIPCO_FLASHDATA_ST_WIP;
++ case SSB_CHIPCO_FLASHT_ATSER:
++ /* Check for Atmel Ready bit */
++ ssb_sflash_cmd(chipco, SSB_CHIPCO_FLASHCTL_AT_STATUS);
++ return !(chipco_read32(chipco, SSB_CHIPCO_FLASHDATA)
++ & SSB_CHIPCO_FLASHDATA_AT_READY);
++ }
++
++ return 0;
++}
++
++
++static int sflash_st_write(struct bcm47xx_sflash *dev, u32 offset, u32 len,
++ const u8 *buf)
++{
++ int written = 1;
++ struct ssb_chipcommon *chipco = dev->scc;
++
++ /* Enable writes */
++ ssb_sflash_cmd(chipco, SSB_CHIPCO_FLASHCTL_ST_WREN);
++ ssb_sflash_write_u8(chipco, offset, *buf++);
++ /* Issue a page program with CSA bit set */
++ ssb_sflash_cmd(chipco, SSB_CHIPCO_FLASHCTL_ST_CSA | SSB_CHIPCO_FLASHCTL_ST_PP);
++ offset++;
++ len--;
++ while (len > 0) {
++ if ((offset & 255) == 0) {
++ /* Page boundary, poll droping cs and return */
++ chipco_write32(chipco, SSB_CHIPCO_FLASHCTL, 0);
++ udelay(1);
++ if (!ssb_sflash_poll(dev, offset)) {
++ /* Flash rejected command */
++ return -EAGAIN;
++ }
++ return written;
++ } else {
++ /* Write single byte */
++ ssb_sflash_cmd(chipco,
++ SSB_CHIPCO_FLASHCTL_ST_CSA |
++ *buf++);
++ }
++ written++;
++ offset++;
++ len--;
++ }
++ /* All done, drop cs & poll */
++ chipco_write32(chipco, SSB_CHIPCO_FLASHCTL, 0);
++ udelay(1);
++ if (!ssb_sflash_poll(dev, offset)) {
++ /* Flash rejected command */
++ return -EAGAIN;
++ }
++ return written;
++}
++
++static int sflash_at_write(struct bcm47xx_sflash *dev, u32 offset, u32 len,
++ const u8 *buf)
++{
++ struct ssb_chipcommon *chipco = dev->scc;
++ u32 page, byte, mask;
++ int ret = 0;
++
++ mask = dev->blocksize - 1;
++ page = (offset & ~mask) << 1;
++ byte = offset & mask;
++ /* Read main memory page into buffer 1 */
++ if (byte || (len < dev->blocksize)) {
++ int i = 100;
++ chipco_write32(chipco, SSB_CHIPCO_FLASHADDR, page);
++ ssb_sflash_cmd(chipco, SSB_CHIPCO_FLASHCTL_AT_BUF1_LOAD);
++ /* 250 us for AT45DB321B */
++ while (i > 0 && ssb_sflash_poll(dev, offset)) {
++ udelay(10);
++ i--;
++ }
++ BUG_ON(!ssb_sflash_poll(dev, offset));
++ }
++ /* Write into buffer 1 */
++ for (ret = 0; (ret < (int)len) && (byte < dev->blocksize); ret++) {
++ ssb_sflash_write_u8(chipco, byte++, *buf++);
++ ssb_sflash_cmd(chipco, SSB_CHIPCO_FLASHCTL_AT_BUF1_WRITE);
++ }
++ /* Write buffer 1 into main memory page */
++ chipco_write32(chipco, SSB_CHIPCO_FLASHADDR, page);
++ ssb_sflash_cmd(chipco, SSB_CHIPCO_FLASHCTL_AT_BUF1_PROGRAM);
++
++ return ret;
++}
++
++/* Write len bytes starting at offset into buf. Returns number of bytes
++ * written. Caller should poll for completion.
++ */
++static int ssb_sflash_write(struct bcm47xx_sflash *dev, u32 offset, u32 len,
++ const u8 *buf)
++{
++ int ret = 0, tries = NUM_RETRIES;
++ struct ssb_chipcommon *chipco = dev->scc;
++
++ if (!len)
++ return 0;
++
++ if ((offset + len) > chipco->sflash.size)
++ return -EINVAL;
++
++ switch (chipco->capabilities & SSB_CHIPCO_CAP_FLASHT) {
++ case SSB_CHIPCO_FLASHT_STSER:
++ do {
++ ret = sflash_st_write(dev, offset, len, buf);
++ tries--;
++ } while (ret == -EAGAIN && tries > 0);
++
++ if (ret == -EAGAIN && tries == 0) {
++ pr_info("ST Flash rejected write\n");
++ ret = -EIO;
++ }
++ break;
++ case SSB_CHIPCO_FLASHT_ATSER:
++ ret = sflash_at_write(dev, offset, len, buf);
++ break;
++ }
++
++ return ret;
++}
++
++/* Erase a region. Returns number of bytes scheduled for erasure.
++ * Caller should poll for completion.
++ */
++static int ssb_sflash_erase(struct bcm47xx_sflash *dev, u32 offset)
++{
++ struct ssb_chipcommon *chipco = dev->scc;
++
++ if (offset >= chipco->sflash.size)
++ return -EINVAL;
++
++ switch (chipco->capabilities & SSB_CHIPCO_CAP_FLASHT) {
++ case SSB_CHIPCO_FLASHT_STSER:
++ ssb_sflash_cmd(chipco, SSB_CHIPCO_FLASHCTL_ST_WREN);
++ chipco_write32(chipco, SSB_CHIPCO_FLASHADDR, offset);
++ /* Newer flashes have "sub-sectors" which can be erased independently
++ * with a new command: ST_SSE. The ST_SE command erases 64KB just as
++ * before.
++ */
++ if (dev->blocksize < (64 * 1024))
++ ssb_sflash_cmd(chipco, SSB_CHIPCO_FLASHCTL_ST_SSE);
++ else
++ ssb_sflash_cmd(chipco, SSB_CHIPCO_FLASHCTL_ST_SE);
++ return dev->blocksize;
++ case SSB_CHIPCO_FLASHT_ATSER:
++ chipco_write32(chipco, SSB_CHIPCO_FLASHADDR, offset << 1);
++ ssb_sflash_cmd(chipco, SSB_CHIPCO_FLASHCTL_AT_PAGE_ERASE);
++ return dev->blocksize;
++ }
++
++ return 0;
++}
++
++/* Initialize serial flash achipcoess */
++int ssb_sflash_init(struct ssb_chipcommon *chipco)
++{
++ struct bcm47xx_sflash *sflash = &chipco->sflash;
++ const struct ssb_sflash_tbl_e *e;
++ u32 id, id2;
++
++ switch (chipco->capabilities & SSB_CHIPCO_CAP_FLASHT) {
++ case SSB_CHIPCO_FLASHT_STSER:
++ ssb_sflash_cmd(chipco, SSB_CHIPCO_FLASHCTL_ST_DP);
++
++ chipco_write32(chipco, SSB_CHIPCO_FLASHADDR, 0);
++ ssb_sflash_cmd(chipco, SSB_CHIPCO_FLASHCTL_ST_RES);
++ id = chipco_read32(chipco, SSB_CHIPCO_FLASHDATA);
++
++ chipco_write32(chipco, SSB_CHIPCO_FLASHADDR, 1);
++ ssb_sflash_cmd(chipco, SSB_CHIPCO_FLASHCTL_ST_RES);
++ id2 = chipco_read32(chipco, SSB_CHIPCO_FLASHDATA);
++
++ switch (id) {
++ case 0xbf:
++ for (e = ssb_sflash_sst_tbl; e->name; e++) {
++ if (e->id == id2)
++ break;
++ }
++ break;
++ case 0x13:
++ return -ENOTSUPP;
++ default:
++ for (e = ssb_sflash_st_tbl; e->name; e++) {
++ if (e->id == id)
++ break;
++ }
++ break;
++ }
++ if (!e->name) {
++ pr_err("Unsupported ST serial flash (id: 0x%X, id2: 0x%X)\n", id, id2);
++ return -ENOTSUPP;
++ }
++
++ break;
++ case SSB_CHIPCO_FLASHT_ATSER:
++ ssb_sflash_cmd(chipco, SSB_CHIPCO_FLASHCTL_AT_STATUS);
++ id = chipco_read32(chipco, SSB_CHIPCO_FLASHDATA) & 0x3c;
++
++ for (e = ssb_sflash_at_tbl; e->name; e++) {
++ if (e->id == id)
++ break;
++ }
++ if (!e->name) {
++ pr_err("Unsupported Atmel serial flash (id: 0x%X)\n", id);
++ return -ENOTSUPP;
++ }
++
++ break;
++ default:
++ pr_err("Unsupported flash type\n");
++ return -ENOTSUPP;
++ }
++
++ sflash->window = SSB_FLASH2;
++ sflash->blocksize = e->blocksize;
++ sflash->numblocks = e->numblocks;
++ sflash->size = sflash->blocksize * sflash->numblocks;
++ sflash->present = true;
++ sflash->read = ssb_sflash_read;
++ sflash->poll = ssb_sflash_poll;
++ sflash->write = ssb_sflash_write;
++ sflash->erase = ssb_sflash_erase;
++ sflash->type = BCM47XX_SFLASH_SSB;
++ sflash->scc = chipco;
++
++ pr_info("Found %s serial flash (size: %dKiB, blocksize: 0x%X, blocks: %d)\n",
++ e->name, sflash->size / 1024, sflash->blocksize,
++ sflash->numblocks);
++
++ /* Prepare platform device, but don't register it yet. It's too early,
++ * malloc (required by device_private_init) is not available yet. */
++ ssb_sflash_dev.resource[0].end = ssb_sflash_dev.resource[0].start +
++ sflash->size;
++ ssb_sflash_dev.dev.platform_data = sflash;
++
++ return 0;
++}
+--- a/drivers/ssb/driver_mipscore.c
++++ b/drivers/ssb/driver_mipscore.c
+@@ -203,7 +203,8 @@ static void ssb_mips_flash_detect(struct
+ switch (bus->chipco.capabilities & SSB_CHIPCO_CAP_FLASHT) {
+ case SSB_CHIPCO_FLASHT_STSER:
+ case SSB_CHIPCO_FLASHT_ATSER:
+- pr_err("Serial flash not supported\n");
++ pr_debug("Found serial flash\n");
++ ssb_sflash_init(&bus->chipco);
+ break;
+ case SSB_CHIPCO_FLASHT_PARA:
+ pr_debug("Found parallel flash\n");
+--- a/drivers/ssb/main.c
++++ b/drivers/ssb/main.c
+@@ -18,6 +18,7 @@
+ #include <linux/ssb/ssb_driver_gige.h>
+ #include <linux/dma-mapping.h>
+ #include <linux/pci.h>
++#include <linux/platform_device.h>
+ #include <linux/mmc/sdio_func.h>
+ #include <linux/slab.h>
+
+@@ -534,6 +535,15 @@ static int ssb_devices_register(struct s
+ dev_idx++;
+ }
+
++#ifdef CONFIG_SSB_SFLASH
++ if (bus->chipco.sflash.present) {
++ err = platform_device_register(&ssb_sflash_dev);
++ if (err)
++ ssb_printk(KERN_ERR PFX
++ "Error registering serial flash\n");
++ }
++#endif
++
+ return 0;
+ error:
+ /* Unwind the already registered devices. */
+--- a/drivers/ssb/ssb_private.h
++++ b/drivers/ssb/ssb_private.h
+@@ -211,4 +211,16 @@ static inline void b43_pci_ssb_bridge_ex
+ extern u32 ssb_pmu_get_cpu_clock(struct ssb_chipcommon *cc);
+ extern u32 ssb_pmu_get_controlclock(struct ssb_chipcommon *cc);
+
++#ifdef CONFIG_SSB_SFLASH
++/* driver_chipcommon_sflash.c */
++int ssb_sflash_init(struct ssb_chipcommon *chipco);
++extern struct platform_device ssb_sflash_dev;
++#else
++static inline int ssb_sflash_init(struct ssb_chipcommon *chipco)
++{
++ pr_err("Serial flash not supported\n");
++ return 0;
++}
++#endif /* CONFIG_SSB_SFLASH */
++
+ #endif /* LINUX_SSB_PRIVATE_H_ */
+--- a/include/linux/ssb/ssb_driver_chipcommon.h
++++ b/include/linux/ssb/ssb_driver_chipcommon.h
+@@ -13,6 +13,8 @@
+ * Licensed under the GPL version 2. See COPYING for details.
+ */
+
++#include <linux/mtd/bcm47xx_sflash.h>
++
+ /** ChipCommon core registers. **/
+
+ #define SSB_CHIPCO_CHIPID 0x0000
+@@ -121,6 +123,17 @@
+ #define SSB_CHIPCO_FLASHCTL_BUSY SSB_CHIPCO_FLASHCTL_START
+ #define SSB_CHIPCO_FLASHADDR 0x0044
+ #define SSB_CHIPCO_FLASHDATA 0x0048
++/* Status register bits for ST flashes */
++#define SSB_CHIPCO_FLASHDATA_ST_WIP 0x01 /* Write In Progress */
++#define SSB_CHIPCO_FLASHDATA_ST_WEL 0x02 /* Write Enable Latch */
++#define SSB_CHIPCO_FLASHDATA_ST_BP_MASK 0x1c /* Block Protect */
++#define SSB_CHIPCO_FLASHDATA_ST_BP_SHIFT 2
++#define SSB_CHIPCO_FLASHDATA_ST_SRWD 0x80 /* Status Register Write Disable */
++/* Status register bits for Atmel flashes */
++#define SSB_CHIPCO_FLASHDATA_AT_READY 0x80
++#define SSB_CHIPCO_FLASHDATA_AT_MISMATCH 0x40
++#define SSB_CHIPCO_FLASHDATA_AT_ID_MASK 0x38
++#define SSB_CHIPCO_FLASHDATA_AT_ID_SHIFT 3
+ #define SSB_CHIPCO_BCAST_ADDR 0x0050
+ #define SSB_CHIPCO_BCAST_DATA 0x0054
+ #define SSB_CHIPCO_GPIOPULLUP 0x0058 /* Rev >= 20 only */
+@@ -503,7 +516,7 @@
+ #define SSB_CHIPCO_FLASHCTL_ST_PP 0x0302 /* Page Program */
+ #define SSB_CHIPCO_FLASHCTL_ST_SE 0x02D8 /* Sector Erase */
+ #define SSB_CHIPCO_FLASHCTL_ST_BE 0x00C7 /* Bulk Erase */
+-#define SSB_CHIPCO_FLASHCTL_ST_DP 0x00B9 /* Deep Power-down */
++#define SSB_CHIPCO_FLASHCTL_ST_DP 0x00D9 /* Deep Power-down */
+ #define SSB_CHIPCO_FLASHCTL_ST_RES 0x03AB /* Read Electronic Signature */
+ #define SSB_CHIPCO_FLASHCTL_ST_CSA 0x1000 /* Keep chip select asserted */
+ #define SSB_CHIPCO_FLASHCTL_ST_SSE 0x0220 /* Sub-sector Erase */
+@@ -591,6 +604,9 @@ struct ssb_chipcommon {
+ /* Fast Powerup Delay constant */
+ u16 fast_pwrup_delay;
+ struct ssb_chipcommon_pmu pmu;
++#ifdef CONFIG_SSB_SFLASH
++ struct bcm47xx_sflash sflash;
++#endif
+ };
+
+ static inline bool ssb_chipco_available(struct ssb_chipcommon *cc)
diff --git a/target/linux/brcm47xx/patches-3.3/061-ssb-register-parallel-flash-device.patch b/target/linux/brcm47xx/patches-3.3/061-ssb-register-parallel-flash-device.patch
new file mode 100644
index 0000000000..6e0d491842
--- /dev/null
+++ b/target/linux/brcm47xx/patches-3.3/061-ssb-register-parallel-flash-device.patch
@@ -0,0 +1,76 @@
+--- a/drivers/ssb/driver_mipscore.c
++++ b/drivers/ssb/driver_mipscore.c
+@@ -14,6 +14,7 @@
+ #include <linux/serial_core.h>
+ #include <linux/serial_reg.h>
+ #include <linux/time.h>
++#include <linux/platform_device.h>
+
+ #include "ssb_private.h"
+
+@@ -186,6 +187,19 @@ static void ssb_mips_serial_init(struct
+ mcore->nr_serial_ports = 0;
+ }
+
++static struct resource ssb_pflash_resource = {
++ .name = "ssb_pflash",
++ .start = 0,
++ .end = 0,
++ .flags = 0,
++};
++
++struct platform_device ssb_pflash_dev = {
++ .name = "bcm47xx-pflash",
++ .resource = &ssb_pflash_resource,
++ .num_resources = 1,
++};
++
+ static void ssb_mips_flash_detect(struct ssb_mipscore *mcore)
+ {
+ struct ssb_bus *bus = mcore->dev->bus;
+@@ -196,6 +210,9 @@ static void ssb_mips_flash_detect(struct
+ mcore->pflash.buswidth = 2;
+ mcore->pflash.window = SSB_FLASH1;
+ mcore->pflash.window_size = SSB_FLASH1_SZ;
++ ssb_pflash_resource.start = mcore->pflash.window;
++ ssb_pflash_resource.end = mcore->pflash.window +
++ mcore->pflash.window_size;
+ return;
+ }
+
+@@ -216,6 +233,9 @@ static void ssb_mips_flash_detect(struct
+ mcore->pflash.buswidth = 1;
+ else
+ mcore->pflash.buswidth = 2;
++ ssb_pflash_resource.start = mcore->pflash.window;
++ ssb_pflash_resource.end = mcore->pflash.window +
++ mcore->pflash.window_size;
+ break;
+ }
+ }
+--- a/drivers/ssb/main.c
++++ b/drivers/ssb/main.c
+@@ -543,6 +543,14 @@ static int ssb_devices_register(struct s
+ "Error registering serial flash\n");
+ }
+ #endif
++#ifdef CONFIG_SSB_DRIVER_MIPS
++ if (bus->mipscore.pflash.present) {
++ err = platform_device_register(&ssb_pflash_dev);
++ if (err)
++ ssb_printk(KERN_ERR PFX
++ "Error registering parallel flash\n");
++ }
++#endif
+
+ return 0;
+ error:
+--- a/drivers/ssb/ssb_private.h
++++ b/drivers/ssb/ssb_private.h
+@@ -223,4 +223,6 @@ static inline int ssb_sflash_init(struct
+ }
+ #endif /* CONFIG_SSB_SFLASH */
+
++extern struct platform_device ssb_pflash_dev;
++
+ #endif /* LINUX_SSB_PRIVATE_H_ */
diff --git a/target/linux/brcm47xx/patches-3.3/070-bcma-add-functions-to-write-to-serial-flash.patch b/target/linux/brcm47xx/patches-3.3/070-bcma-add-functions-to-write-to-serial-flash.patch
new file mode 100644
index 0000000000..8fb70d68f4
--- /dev/null
+++ b/target/linux/brcm47xx/patches-3.3/070-bcma-add-functions-to-write-to-serial-flash.patch
@@ -0,0 +1,345 @@
+--- a/drivers/bcma/driver_chipcommon_sflash.c
++++ b/drivers/bcma/driver_chipcommon_sflash.c
+@@ -1,15 +1,22 @@
+ /*
+ * Broadcom specific AMBA
+ * ChipCommon serial flash interface
++ * Copyright 2011, Jonas Gorski <jonas.gorski@gmail.com>
++ * Copyright 2011, 2012, Hauke Mehrtens <hauke@hauke-m.de>
++ * Copyright 2010, Broadcom Corporation
+ *
+ * Licensed under the GNU/GPL. See COPYING for details.
+ */
+
+ #include <linux/platform_device.h>
++#include <linux/delay.h>
+ #include <linux/bcma/bcma.h>
++#include <linux/bcma/bcma_driver_chipcommon.h>
+
+ #include "bcma_private.h"
+
++#define NUM_RETRIES 3
++
+ static struct resource bcma_sflash_resource = {
+ .name = "bcma_sflash",
+ .start = BCMA_SOC_FLASH2,
+@@ -18,7 +25,7 @@ static struct resource bcma_sflash_resou
+ };
+
+ struct platform_device bcma_sflash_dev = {
+- .name = "bcma_sflash",
++ .name = "bcm47xx-sflash",
+ .resource = &bcma_sflash_resource,
+ .num_resources = 1,
+ };
+@@ -30,7 +37,7 @@ struct bcma_sflash_tbl_e {
+ u16 numblocks;
+ };
+
+-static struct bcma_sflash_tbl_e bcma_sflash_st_tbl[] = {
++static const struct bcma_sflash_tbl_e bcma_sflash_st_tbl[] = {
+ { "M25P20", 0x11, 0x10000, 4, },
+ { "M25P40", 0x12, 0x10000, 8, },
+
+@@ -41,7 +48,7 @@ static struct bcma_sflash_tbl_e bcma_sfl
+ { 0 },
+ };
+
+-static struct bcma_sflash_tbl_e bcma_sflash_sst_tbl[] = {
++static const struct bcma_sflash_tbl_e bcma_sflash_sst_tbl[] = {
+ { "SST25WF512", 1, 0x1000, 16, },
+ { "SST25VF512", 0x48, 0x1000, 16, },
+ { "SST25WF010", 2, 0x1000, 32, },
+@@ -59,7 +66,7 @@ static struct bcma_sflash_tbl_e bcma_sfl
+ { 0 },
+ };
+
+-static struct bcma_sflash_tbl_e bcma_sflash_at_tbl[] = {
++static const struct bcma_sflash_tbl_e bcma_sflash_at_tbl[] = {
+ { "AT45DB011", 0xc, 256, 512, },
+ { "AT45DB021", 0x14, 256, 1024, },
+ { "AT45DB041", 0x1c, 256, 2048, },
+@@ -84,12 +91,230 @@ static void bcma_sflash_cmd(struct bcma_
+ bcma_err(cc->core->bus, "SFLASH control command failed (timeout)!\n");
+ }
+
++static void bcma_sflash_write_u8(struct bcma_drv_cc *cc, u32 offset, u8 byte)
++{
++ bcma_cc_write32(cc, BCMA_CC_FLASHADDR, offset);
++ bcma_cc_write32(cc, BCMA_CC_FLASHDATA, byte);
++}
++
++/* Read len bytes starting at offset into buf. Returns number of bytes read. */
++static int bcma_sflash_read(struct bcm47xx_sflash *dev, u32 offset, u32 len, u8 *buf)
++{
++ u8 *from, *to;
++ u32 cnt, i;
++ struct bcma_drv_cc *cc = dev->bcc;
++
++ if (!len)
++ return 0;
++
++ if ((offset + len) > cc->sflash.size)
++ return -EINVAL;
++
++ if ((len >= 4) && (offset & 3))
++ cnt = 4 - (offset & 3);
++ else if ((len >= 4) && ((u32)buf & 3))
++ cnt = 4 - ((u32)buf & 3);
++ else
++ cnt = len;
++
++ from = (u8 *)KSEG0ADDR(BCMA_SOC_FLASH2 + offset);
++
++ to = (u8 *)buf;
++
++ if (cnt < 4) {
++ for (i = 0; i < cnt; i++) {
++ *to = readb(from);
++ from++;
++ to++;
++ }
++ return cnt;
++ }
++
++ while (cnt >= 4) {
++ *(u32 *)to = readl(from);
++ from += 4;
++ to += 4;
++ cnt -= 4;
++ }
++
++ return len - cnt;
++}
++
++/* Poll for command completion. Returns zero when complete. */
++static int bcma_sflash_poll(struct bcm47xx_sflash *dev, u32 offset)
++{
++ struct bcma_drv_cc *cc = dev->bcc;
++
++ if (offset >= cc->sflash.size)
++ return -22;
++
++ switch (cc->capabilities & BCMA_CC_CAP_FLASHT) {
++ case BCMA_CC_FLASHT_STSER:
++ /* Check for ST Write In Progress bit */
++ bcma_sflash_cmd(cc, BCMA_CC_FLASHCTL_ST_RDSR);
++ return bcma_cc_read32(cc, BCMA_CC_FLASHDATA)
++ & BCMA_CC_FLASHDATA_ST_WIP;
++ case BCMA_CC_FLASHT_ATSER:
++ /* Check for Atmel Ready bit */
++ bcma_sflash_cmd(cc, BCMA_CC_FLASHCTL_AT_STATUS);
++ return !(bcma_cc_read32(cc, BCMA_CC_FLASHDATA)
++ & BCMA_CC_FLASHDATA_AT_READY);
++ }
++
++ return 0;
++}
++
++
++static int sflash_st_write(struct bcm47xx_sflash *dev, u32 offset, u32 len,
++ const u8 *buf)
++{
++ int written = 1;
++ struct bcma_drv_cc *cc = dev->bcc;
++
++ /* Enable writes */
++ bcma_sflash_cmd(cc, BCMA_CC_FLASHCTL_ST_WREN);
++ bcma_sflash_write_u8(cc, offset, *buf++);
++ /* Issue a page program with CSA bit set */
++ bcma_sflash_cmd(cc, BCMA_CC_FLASHCTL_ST_CSA | BCMA_CC_FLASHCTL_ST_PP);
++ offset++;
++ len--;
++ while (len > 0) {
++ if ((offset & 255) == 0) {
++ /* Page boundary, poll droping cs and return */
++ bcma_cc_write32(cc, BCMA_CC_FLASHCTL, 0);
++ udelay(1);
++ if (!bcma_sflash_poll(dev, offset)) {
++ /* Flash rejected command */
++ return -EAGAIN;
++ }
++ return written;
++ } else {
++ /* Write single byte */
++ bcma_sflash_cmd(cc,
++ BCMA_CC_FLASHCTL_ST_CSA |
++ *buf++);
++ }
++ written++;
++ offset++;
++ len--;
++ }
++ /* All done, drop cs & poll */
++ bcma_cc_write32(cc, BCMA_CC_FLASHCTL, 0);
++ udelay(1);
++ if (!bcma_sflash_poll(dev, offset)) {
++ /* Flash rejected command */
++ return -EAGAIN;
++ }
++ return written;
++}
++
++static int sflash_at_write(struct bcm47xx_sflash *dev, u32 offset, u32 len,
++ const u8 *buf)
++{
++ struct bcma_drv_cc *cc = dev->bcc;
++ u32 page, byte, mask;
++ int ret = 0;
++
++ mask = dev->blocksize - 1;
++ page = (offset & ~mask) << 1;
++ byte = offset & mask;
++ /* Read main memory page into buffer 1 */
++ if (byte || (len < dev->blocksize)) {
++ int i = 100;
++ bcma_cc_write32(cc, BCMA_CC_FLASHADDR, page);
++ bcma_sflash_cmd(cc, BCMA_CC_FLASHCTL_AT_BUF1_LOAD);
++ /* 250 us for AT45DB321B */
++ while (i > 0 && bcma_sflash_poll(dev, offset)) {
++ udelay(10);
++ i--;
++ }
++ BUG_ON(!bcma_sflash_poll(dev, offset));
++ }
++ /* Write into buffer 1 */
++ for (ret = 0; (ret < (int)len) && (byte < dev->blocksize); ret++) {
++ bcma_sflash_write_u8(cc, byte++, *buf++);
++ bcma_sflash_cmd(cc, BCMA_CC_FLASHCTL_AT_BUF1_WRITE);
++ }
++ /* Write buffer 1 into main memory page */
++ bcma_cc_write32(cc, BCMA_CC_FLASHADDR, page);
++ bcma_sflash_cmd(cc, BCMA_CC_FLASHCTL_AT_BUF1_PROGRAM);
++
++ return ret;
++}
++
++/* Write len bytes starting at offset into buf. Returns number of bytes
++ * written. Caller should poll for completion.
++ */
++static int bcma_sflash_write(struct bcm47xx_sflash *dev, u32 offset, u32 len,
++ const u8 *buf)
++{
++ int ret = 0, tries = NUM_RETRIES;
++ struct bcma_drv_cc *cc = dev->bcc;
++
++ if (!len)
++ return 0;
++
++ if ((offset + len) > cc->sflash.size)
++ return -EINVAL;
++
++ switch (cc->capabilities & BCMA_CC_CAP_FLASHT) {
++ case BCMA_CC_FLASHT_STSER:
++ do {
++ ret = sflash_st_write(dev, offset, len, buf);
++ tries--;
++ } while (ret == -EAGAIN && tries > 0);
++
++ if (ret == -EAGAIN && tries == 0) {
++ bcma_info(cc->core->bus, "ST Flash rejected write\n");
++ ret = -EIO;
++ }
++ break;
++ case BCMA_CC_FLASHT_ATSER:
++ ret = sflash_at_write(dev, offset, len, buf);
++ break;
++ }
++
++ return ret;
++}
++
++/* Erase a region. Returns number of bytes scheduled for erasure.
++ * Caller should poll for completion.
++ */
++static int bcma_sflash_erase(struct bcm47xx_sflash *dev, u32 offset)
++{
++ struct bcma_drv_cc *cc = dev->bcc;
++
++ if (offset >= cc->sflash.size)
++ return -EINVAL;
++
++ switch (cc->capabilities & BCMA_CC_CAP_FLASHT) {
++ case BCMA_CC_FLASHT_STSER:
++ bcma_sflash_cmd(cc, BCMA_CC_FLASHCTL_ST_WREN);
++ bcma_cc_write32(cc, BCMA_CC_FLASHADDR, offset);
++ /* Newer flashes have "sub-sectors" which can be erased independently
++ * with a new command: ST_SSE. The ST_SE command erases 64KB just as
++ * before.
++ */
++ if (dev->blocksize < (64 * 1024))
++ bcma_sflash_cmd(cc, BCMA_CC_FLASHCTL_ST_SSE);
++ else
++ bcma_sflash_cmd(cc, BCMA_CC_FLASHCTL_ST_SE);
++ return dev->blocksize;
++ case BCMA_CC_FLASHT_ATSER:
++ bcma_cc_write32(cc, BCMA_CC_FLASHADDR, offset << 1);
++ bcma_sflash_cmd(cc, BCMA_CC_FLASHCTL_AT_PAGE_ERASE);
++ return dev->blocksize;
++ }
++
++ return 0;
++}
++
+ /* Initialize serial flash access */
+ int bcma_sflash_init(struct bcma_drv_cc *cc)
+ {
+ struct bcma_bus *bus = cc->core->bus;
+- struct bcma_sflash *sflash = &cc->sflash;
+- struct bcma_sflash_tbl_e *e;
++ struct bcm47xx_sflash *sflash = &cc->sflash;
++ const struct bcma_sflash_tbl_e *e;
+ u32 id, id2;
+
+ switch (cc->capabilities & BCMA_CC_CAP_FLASHT) {
+@@ -150,6 +375,12 @@ int bcma_sflash_init(struct bcma_drv_cc
+ sflash->numblocks = e->numblocks;
+ sflash->size = sflash->blocksize * sflash->numblocks;
+ sflash->present = true;
++ sflash->read = bcma_sflash_read;
++ sflash->poll = bcma_sflash_poll;
++ sflash->write = bcma_sflash_write;
++ sflash->erase = bcma_sflash_erase;
++ sflash->type = BCM47XX_SFLASH_BCMA;
++ sflash->bcc = cc;
+
+ bcma_info(bus, "Found %s serial flash (size: %dKiB, blocksize: 0x%X, blocks: %d)\n",
+ e->name, sflash->size / 1024, sflash->blocksize,
+--- a/include/linux/bcma/bcma_driver_chipcommon.h
++++ b/include/linux/bcma/bcma_driver_chipcommon.h
+@@ -1,6 +1,8 @@
+ #ifndef LINUX_BCMA_DRIVER_CC_H_
+ #define LINUX_BCMA_DRIVER_CC_H_
+
++#include <linux/mtd/bcm47xx_sflash.h>
++
+ /** ChipCommon core registers. **/
+ #define BCMA_CC_ID 0x0000
+ #define BCMA_CC_ID_ID 0x0000FFFF
+@@ -516,17 +518,6 @@ struct bcma_pflash {
+ u32 window_size;
+ };
+
+-#ifdef CONFIG_BCMA_SFLASH
+-struct bcma_sflash {
+- bool present;
+- u32 window;
+- u32 blocksize;
+- u16 numblocks;
+- u32 size;
+-
+- struct mtd_info *mtd;
+-};
+-#endif
+
+ #ifdef CONFIG_BCMA_NFLASH
+ struct mtd_info;
+@@ -561,7 +552,7 @@ struct bcma_drv_cc {
+ #ifdef CONFIG_BCMA_DRIVER_MIPS
+ struct bcma_pflash pflash;
+ #ifdef CONFIG_BCMA_SFLASH
+- struct bcma_sflash sflash;
++ struct bcm47xx_sflash sflash;
+ #endif
+ #ifdef CONFIG_BCMA_NFLASH
+ struct bcma_nflash nflash;
diff --git a/target/linux/brcm47xx/patches-3.3/071-bcma-add-functions-to-write-to-nand-flash.patch b/target/linux/brcm47xx/patches-3.3/071-bcma-add-functions-to-write-to-nand-flash.patch
new file mode 100644
index 0000000000..27c6677209
--- /dev/null
+++ b/target/linux/brcm47xx/patches-3.3/071-bcma-add-functions-to-write-to-nand-flash.patch
@@ -0,0 +1,232 @@
+--- a/drivers/bcma/driver_chipcommon_nflash.c
++++ b/drivers/bcma/driver_chipcommon_nflash.c
+@@ -2,16 +2,23 @@
+ * Broadcom specific AMBA
+ * ChipCommon NAND flash interface
+ *
++ * Copyright 2011, Tathagata Das <tathagata@alumnux.com>
++ * Copyright 2010, Broadcom Corporation
++ *
+ * Licensed under the GNU/GPL. See COPYING for details.
+ */
+
++#include <linux/delay.h>
++#include <linux/mtd/bcm47xx_nand.h>
++#include <linux/mtd/nand.h>
+ #include <linux/platform_device.h>
+ #include <linux/bcma/bcma.h>
++#include <linux/bcma/bcma_driver_chipcommon.h>
+
+ #include "bcma_private.h"
+
+ struct platform_device bcma_nflash_dev = {
+- .name = "bcma_nflash",
++ .name = "bcm47xx-nflash",
+ .num_resources = 0,
+ };
+
+@@ -31,6 +38,11 @@ int bcma_nflash_init(struct bcma_drv_cc
+ return -ENODEV;
+ }
+
++ if (bus->chipinfo.id == BCMA_CHIP_ID_BCM4706) {
++ bcma_err(bus, "NAND flash support for BCM4706 not implemented\n");
++ return -ENOTSUPP;
++ }
++
+ cc->nflash.present = true;
+ if (cc->core->id.rev == 38 &&
+ (cc->status & BCMA_CC_CHIPST_5357_NAND_BOOT))
+@@ -42,3 +54,141 @@ int bcma_nflash_init(struct bcma_drv_cc
+
+ return 0;
+ }
++
++/* Issue a nand flash command */
++static inline void bcma_nflash_cmd(struct bcma_drv_cc *cc, u32 opcode)
++{
++ bcma_cc_write32(cc, NAND_CMD_START, opcode);
++ bcma_cc_read32(cc, NAND_CMD_START);
++}
++
++/* Check offset and length */
++static int bcma_nflash_offset_is_valid(struct bcma_drv_cc *cc, u32 offset, u32 len, u32 mask)
++{
++ if ((offset & mask) != 0 || (len & mask) != 0) {
++ pr_err("%s(): Address is not aligned. offset: %x, len: %x, mask: %x\n", __func__, offset, len, mask);
++ return 1;
++ }
++
++ if ((((offset + len) >> 20) >= cc->nflash.size) &&
++ (((offset + len) & ((1 << 20) - 1)) != 0)) {
++ pr_err("%s(): Address is outside Flash memory region. offset: %x, len: %x, mask: %x\n", __func__, offset, len, mask);
++ return 1;
++ }
++
++ return 0;
++}
++
++#define NF_RETRIES 1000000
++
++/* Poll for command completion. Returns zero when complete. */
++int bcma_nflash_poll(struct bcma_drv_cc *cc)
++{
++ u32 retries = NF_RETRIES;
++ u32 pollmask = NIST_CTRL_READY|NIST_FLASH_READY;
++ u32 mask;
++
++ while (retries--) {
++ mask = bcma_cc_read32(cc, NAND_INTFC_STATUS) & pollmask;
++ if (mask == pollmask)
++ return 0;
++ cpu_relax();
++ }
++
++ if (!retries) {
++ pr_err("bcma_nflash_poll: not ready\n");
++ return -1;
++ }
++
++ return 0;
++}
++
++/* Read len bytes starting at offset into buf. Returns number of bytes read. */
++int bcma_nflash_read(struct bcma_drv_cc *cc, u32 offset, u32 len, u8 *buf)
++{
++ u32 mask;
++ int i;
++ u32 *to, val, res;
++
++ mask = NFL_SECTOR_SIZE - 1;
++ if (bcma_nflash_offset_is_valid(cc, offset, len, mask))
++ return 0;
++
++ to = (u32 *)buf;
++ res = len;
++ while (res > 0) {
++ bcma_cc_write32(cc, NAND_CMD_ADDR, offset);
++ bcma_nflash_cmd(cc, NCMD_PAGE_RD);
++ if (bcma_nflash_poll(cc) < 0)
++ break;
++ val = bcma_cc_read32(cc, NAND_INTFC_STATUS);
++ if ((val & NIST_CACHE_VALID) == 0)
++ break;
++ bcma_cc_write32(cc, NAND_CACHE_ADDR, 0);
++ for (i = 0; i < NFL_SECTOR_SIZE; i += 4, to++) {
++ *to = bcma_cc_read32(cc, NAND_CACHE_DATA);
++ }
++ res -= NFL_SECTOR_SIZE;
++ offset += NFL_SECTOR_SIZE;
++ }
++ return (len - res);
++}
++
++/* Write len bytes starting at offset into buf. Returns success (0) or failure (!0).
++ * Should poll for completion.
++ */
++int bcma_nflash_write(struct bcma_drv_cc *cc, u32 offset, u32 len,
++ const u8 *buf)
++{
++ u32 mask;
++ int i;
++ u32 *from, res, reg;
++
++ mask = cc->nflash.pagesize - 1;
++ if (bcma_nflash_offset_is_valid(cc, offset, len, mask))
++ return 1;
++
++ /* disable partial page enable */
++ reg = bcma_cc_read32(cc, NAND_ACC_CONTROL);
++ reg &= ~NAC_PARTIAL_PAGE_EN;
++ bcma_cc_write32(cc, NAND_ACC_CONTROL, reg);
++
++ from = (u32 *)buf;
++ res = len;
++ while (res > 0) {
++ bcma_cc_write32(cc, NAND_CACHE_ADDR, 0);
++ for (i = 0; i < cc->nflash.pagesize; i += 4, from++) {
++ if (i % 512 == 0)
++ bcma_cc_write32(cc, NAND_CMD_ADDR, i);
++ bcma_cc_write32(cc, NAND_CACHE_DATA, *from);
++ }
++ bcma_cc_write32(cc, NAND_CMD_ADDR, offset + cc->nflash.pagesize - 512);
++ bcma_nflash_cmd(cc, NCMD_PAGE_PROG);
++ if (bcma_nflash_poll(cc) < 0)
++ break;
++ res -= cc->nflash.pagesize;
++ offset += cc->nflash.pagesize;
++ }
++
++ if (res <= 0)
++ return 0;
++ else
++ return (len - res);
++}
++
++/* Erase a region. Returns success (0) or failure (-1).
++ * Poll for completion.
++ */
++int bcma_nflash_erase(struct bcma_drv_cc *cc, u32 offset)
++{
++ if ((offset >> 20) >= cc->nflash.size)
++ return -1;
++ if ((offset & (cc->nflash.blocksize - 1)) != 0)
++ return -1;
++
++ bcma_cc_write32(cc, NAND_CMD_ADDR, offset);
++ bcma_nflash_cmd(cc, NCMD_BLOCK_ERASE);
++ if (bcma_nflash_poll(cc) < 0)
++ return -1;
++ return 0;
++}
+--- a/include/linux/bcma/bcma_driver_chipcommon.h
++++ b/include/linux/bcma/bcma_driver_chipcommon.h
+@@ -2,6 +2,7 @@
+ #define LINUX_BCMA_DRIVER_CC_H_
+
+ #include <linux/mtd/bcm47xx_sflash.h>
++#include <linux/mtd/bcm47xx_nand.h>
+
+ /** ChipCommon core registers. **/
+ #define BCMA_CC_ID 0x0000
+@@ -519,17 +520,6 @@ struct bcma_pflash {
+ };
+
+
+-#ifdef CONFIG_BCMA_NFLASH
+-struct mtd_info;
+-
+-struct bcma_nflash {
+- bool present;
+- bool boot; /* This is the flash the SoC boots from */
+-
+- struct mtd_info *mtd;
+-};
+-#endif
+-
+ struct bcma_serial_port {
+ void *regs;
+ unsigned long clockspeed;
+@@ -555,7 +545,7 @@ struct bcma_drv_cc {
+ struct bcm47xx_sflash sflash;
+ #endif
+ #ifdef CONFIG_BCMA_NFLASH
+- struct bcma_nflash nflash;
++ struct bcm47xx_nflash nflash;
+ #endif
+
+ int nr_serial_ports;
+@@ -613,4 +603,13 @@ extern void bcma_chipco_regctl_maskset(s
+ u32 offset, u32 mask, u32 set);
+ extern void bcma_pmu_spuravoid_pllupdate(struct bcma_drv_cc *cc, int spuravoid);
+
++#ifdef CONFIG_BCMA_NFLASH
++/* Chipcommon nflash support. */
++int bcma_nflash_read(struct bcma_drv_cc *cc, u32 offset, u32 len, u8 *buf);
++int bcma_nflash_poll(struct bcma_drv_cc *cc);
++int bcma_nflash_write(struct bcma_drv_cc *cc, u32 offset, u32 len, const u8 *buf);
++int bcma_nflash_erase(struct bcma_drv_cc *cc, u32 offset);
++int bcma_nflash_commit(struct bcma_drv_cc *cc, u32 offset, u32 len, const u8 *buf);
++#endif
++
+ #endif /* LINUX_BCMA_DRIVER_CC_H_ */
diff --git a/target/linux/brcm47xx/patches-3.3/072-bcma-register-parallel-flash-device.patch b/target/linux/brcm47xx/patches-3.3/072-bcma-register-parallel-flash-device.patch
new file mode 100644
index 0000000000..cacb903430
--- /dev/null
+++ b/target/linux/brcm47xx/patches-3.3/072-bcma-register-parallel-flash-device.patch
@@ -0,0 +1,67 @@
+--- a/drivers/bcma/bcma_private.h
++++ b/drivers/bcma/bcma_private.h
+@@ -45,6 +45,7 @@ int bcma_sprom_get(struct bcma_bus *bus)
+ /* driver_chipcommon.c */
+ #ifdef CONFIG_BCMA_DRIVER_MIPS
+ void bcma_chipco_serial_init(struct bcma_drv_cc *cc);
++extern struct platform_device bcma_pflash_dev;
+ #endif /* CONFIG_BCMA_DRIVER_MIPS */
+
+ /* driver_chipcommon_pmu.c */
+--- a/drivers/bcma/driver_mips.c
++++ b/drivers/bcma/driver_mips.c
+@@ -18,6 +18,7 @@
+ #include <linux/serial_core.h>
+ #include <linux/serial_reg.h>
+ #include <linux/time.h>
++#include <linux/platform_device.h>
+
+ /* The 47162a0 hangs when reading MIPS DMP registers registers */
+ static inline bool bcma_core_mips_bcm47162a0_quirk(struct bcma_device *dev)
+@@ -178,6 +179,19 @@ u32 bcma_cpu_clock(struct bcma_drv_mips
+ }
+ EXPORT_SYMBOL(bcma_cpu_clock);
+
++static struct resource bcma_pflash_resource = {
++ .name = "bcma_pflash",
++ .start = 0,
++ .end = 0,
++ .flags = 0,
++};
++
++struct platform_device bcma_pflash_dev = {
++ .name = "bcm47xx-pflash",
++ .resource = &bcma_pflash_resource,
++ .num_resources = 1,
++};
++
+ static void bcma_core_mips_flash_detect(struct bcma_drv_mips *mcore)
+ {
+ struct bcma_bus *bus = mcore->core->bus;
+@@ -200,6 +214,9 @@ static void bcma_core_mips_flash_detect(
+ cc->pflash.buswidth = 1;
+ else
+ cc->pflash.buswidth = 2;
++
++ bcma_pflash_resource.start = cc->pflash.window;
++ bcma_pflash_resource.end = cc->pflash.window + cc->pflash.window_size;
+ break;
+ default:
+ bcma_err(bus, "Flash type not supported\n");
+--- a/drivers/bcma/main.c
++++ b/drivers/bcma/main.c
+@@ -149,6 +149,14 @@ static int bcma_register_cores(struct bc
+ dev_id++;
+ }
+
++#ifdef CONFIG_BCMA_DRIVER_MIPS
++ if (bus->drv_cc.pflash.present) {
++ err = platform_device_register(&bcma_pflash_dev);
++ if (err)
++ bcma_err(bus, "Error registering parallel flash\n");
++ }
++#endif
++
+ #ifdef CONFIG_BCMA_SFLASH
+ if (bus->drv_cc.sflash.present) {
+ err = platform_device_register(&bcma_sflash_dev);
diff --git a/target/linux/brcm47xx/patches-3.3/080-MIPS-BCM47XX-rewrite-nvram-probing.patch b/target/linux/brcm47xx/patches-3.3/080-MIPS-BCM47XX-rewrite-nvram-probing.patch
new file mode 100644
index 0000000000..a271876fa9
--- /dev/null
+++ b/target/linux/brcm47xx/patches-3.3/080-MIPS-BCM47XX-rewrite-nvram-probing.patch
@@ -0,0 +1,183 @@
+--- a/arch/mips/bcm47xx/nvram.c
++++ b/arch/mips/bcm47xx/nvram.c
+@@ -3,7 +3,7 @@
+ *
+ * Copyright (C) 2005 Broadcom Corporation
+ * Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org>
+- * Copyright (C) 2010-2011 Hauke Mehrtens <hauke@hauke-m.de>
++ * Copyright (C) 2010-2012 Hauke Mehrtens <hauke@hauke-m.de>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+@@ -23,69 +23,139 @@
+
+ static char nvram_buf[NVRAM_SPACE];
+
++static u32 find_nvram_size(u32 end)
++{
++ struct nvram_header *header;
++ u32 nvram_sizes[] = {0x8000, 0xF000, 0x10000};
++ int i;
++
++ for (i = 0; i < ARRAY_SIZE(nvram_sizes); i++) {
++ header = (struct nvram_header *)KSEG1ADDR(end - nvram_sizes[i]);
++ if (header->magic == NVRAM_HEADER)
++ return nvram_sizes[i];
++ }
++
++ return 0;
++}
++
+ /* Probe for NVRAM header */
+-static void early_nvram_init(void)
++static void early_nvram_init_fill(u32 base, u32 lim)
+ {
+-#ifdef CONFIG_BCM47XX_SSB
+- struct ssb_mipscore *mcore_ssb;
+-#endif
+-#ifdef CONFIG_BCM47XX_BCMA
+- struct bcma_drv_cc *bcma_cc;
+-#endif
+ struct nvram_header *header;
+ int i;
+- u32 base = 0;
+- u32 lim = 0;
+ u32 off;
+ u32 *src, *dst;
++ u32 size;
+
+- switch (bcm47xx_bus_type) {
+-#ifdef CONFIG_BCM47XX_SSB
+- case BCM47XX_BUS_TYPE_SSB:
+- mcore_ssb = &bcm47xx_bus.ssb.mipscore;
+- base = mcore_ssb->pflash.window;
+- lim = mcore_ssb->pflash.window_size;
+- break;
+-#endif
+-#ifdef CONFIG_BCM47XX_BCMA
+- case BCM47XX_BUS_TYPE_BCMA:
+- bcma_cc = &bcm47xx_bus.bcma.bus.drv_cc;
+- base = bcma_cc->pflash.window;
+- lim = bcma_cc->pflash.window_size;
+- break;
+-#endif
+- }
+-
++ /* TODO: when nvram is on nand flash check for bad blocks first. */
+ off = FLASH_MIN;
+ while (off <= lim) {
+ /* Windowed flash access */
+- header = (struct nvram_header *)
+- KSEG1ADDR(base + off - NVRAM_SPACE);
+- if (header->magic == NVRAM_HEADER)
++ size = find_nvram_size(base + off);
++ if (size) {
++ header = (struct nvram_header *)KSEG1ADDR(base + off -
++ size);
+ goto found;
++ }
+ off <<= 1;
+ }
+
+ /* Try embedded NVRAM at 4 KB and 1 KB as last resorts */
+ header = (struct nvram_header *) KSEG1ADDR(base + 4096);
+- if (header->magic == NVRAM_HEADER)
++ if (header->magic == NVRAM_HEADER) {
++ size = NVRAM_SPACE;
+ goto found;
++ }
+
+ header = (struct nvram_header *) KSEG1ADDR(base + 1024);
+- if (header->magic == NVRAM_HEADER)
++ if (header->magic == NVRAM_HEADER) {
++ size = NVRAM_SPACE;
+ goto found;
++ }
+
++ pr_err("no nvram found\n");
+ return;
+
+ found:
++
++ if (header->len > size)
++ pr_err("The nvram size accoridng to the header seems to be bigger than the partition on flash\n");
++ if (header->len > NVRAM_SPACE)
++ pr_err("nvram on flash (%i bytes) is bigger than the reserved space in memory, will just copy the first %i bytes\n",
++ header->len, NVRAM_SPACE);
++
+ src = (u32 *) header;
+ dst = (u32 *) nvram_buf;
+ for (i = 0; i < sizeof(struct nvram_header); i += 4)
+ *dst++ = *src++;
+- for (; i < header->len && i < NVRAM_SPACE; i += 4)
++ for (; i < header->len && i < NVRAM_SPACE && i < size; i += 4)
+ *dst++ = le32_to_cpu(*src++);
+ }
+
++#ifdef CONFIG_BCM47XX_BCMA
++static void early_nvram_init_bcma(void)
++{
++ struct bcma_drv_cc *cc = &bcm47xx_bus.bcma.bus.drv_cc;
++ u32 base = 0;
++ u32 lim = 0;
++
++ if (cc->nflash.boot) {
++ base = BCMA_SOC_FLASH1;
++ lim = BCMA_SOC_FLASH1_SZ;
++ } else if (cc->pflash.present) {
++ base = cc->pflash.window;
++ lim = cc->pflash.window_size;
++ } else if (cc->sflash.present) {
++ base = cc->sflash.window;
++ lim = cc->sflash.size;
++ } else {
++ pr_err("No supported flash found\n");
++ return;
++ }
++
++ early_nvram_init_fill(base, lim);
++}
++#endif
++
++#ifdef CONFIG_BCM47XX_SSB
++static void early_nvram_init_ssb(void)
++{
++ struct ssb_mipscore *mcore = &bcm47xx_bus.ssb.mipscore;
++ struct ssb_chipcommon *chipco = &bcm47xx_bus.ssb.chipco;
++ u32 base = 0;
++ u32 lim = 0;
++
++ if (mcore->pflash.present) {
++ base = mcore->pflash.window;
++ lim = mcore->pflash.window_size;
++ } else if (chipco->sflash.present) {
++ base = chipco->sflash.window;
++ lim = chipco->sflash.size;
++ } else {
++ pr_err("No supported flash found\n");
++ return;
++ }
++
++ early_nvram_init_fill(base, lim);
++}
++#endif
++
++static void early_nvram_init(void)
++{
++ switch (bcm47xx_bus_type) {
++#ifdef CONFIG_BCM47XX_SSB
++ case BCM47XX_BUS_TYPE_SSB:
++ early_nvram_init_ssb();
++ break;
++#endif
++#ifdef CONFIG_BCM47XX_BCMA
++ case BCM47XX_BUS_TYPE_BCMA:
++ early_nvram_init_bcma();
++ break;
++#endif
++ }
++}
++
+ int nvram_getenv(char *name, char *val, size_t val_len)
+ {
+ char *var, *value, *end, *eq;
diff --git a/target/linux/brcm47xx/patches-3.3/114-MIPS-BCM47xx-Setup-and-register-serial-early.patch b/target/linux/brcm47xx/patches-3.3/114-MIPS-BCM47xx-Setup-and-register-serial-early.patch
index 9013972375..5e324e473b 100644
--- a/target/linux/brcm47xx/patches-3.3/114-MIPS-BCM47xx-Setup-and-register-serial-early.patch
+++ b/target/linux/brcm47xx/patches-3.3/114-MIPS-BCM47xx-Setup-and-register-serial-early.patch
@@ -15,16 +15,16 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
--- a/arch/mips/bcm47xx/setup.c
+++ b/arch/mips/bcm47xx/setup.c
-@@ -33,6 +33,8 @@
+@@ -31,6 +31,8 @@
+ #include <linux/ssb/ssb.h>
#include <linux/ssb/ssb_embedded.h>
#include <linux/bcma/bcma_soc.h>
- #include <linux/platform_device.h>
+#include <linux/serial.h>
+#include <linux/serial_8250.h>
#include <asm/bootinfo.h>
#include <asm/reboot.h>
#include <asm/time.h>
-@@ -152,6 +154,31 @@ static int bcm47xx_get_invariants(struct
+@@ -121,6 +123,31 @@ static int bcm47xx_get_invariants(struct
return 0;
}
@@ -56,7 +56,7 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
static void __init bcm47xx_register_ssb(void)
{
int err;
-@@ -184,6 +211,10 @@ static void __init bcm47xx_register_ssb(
+@@ -150,6 +177,10 @@ static void __init bcm47xx_register_ssb(
memcpy(&mcore->serial_ports[1], &port, sizeof(port));
}
}
@@ -65,5 +65,5 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
+ bcm47xx_early_serial_setup(mcore);
+#endif
}
+ #endif
- static int __init bcm47xx_register_flash_ssb(void)
diff --git a/target/linux/brcm47xx/patches-3.3/194-MIPS-BCM47XX-read-sprom-without-prefix-if-no-ieee802.patch b/target/linux/brcm47xx/patches-3.3/194-MIPS-BCM47XX-read-sprom-without-prefix-if-no-ieee802.patch
index 69d034ccaf..9487d301f2 100644
--- a/target/linux/brcm47xx/patches-3.3/194-MIPS-BCM47XX-read-sprom-without-prefix-if-no-ieee802.patch
+++ b/target/linux/brcm47xx/patches-3.3/194-MIPS-BCM47XX-read-sprom-without-prefix-if-no-ieee802.patch
@@ -1,6 +1,6 @@
--- a/arch/mips/bcm47xx/setup.c
+++ b/arch/mips/bcm47xx/setup.c
-@@ -258,6 +258,8 @@ static int bcm47xx_get_sprom_bcma(struct
+@@ -206,6 +206,8 @@ static int bcm47xx_get_sprom_bcma(struct
snprintf(prefix, sizeof(prefix), "sb/%u/",
core->core_index);
bcm47xx_fill_sprom(out, prefix);
diff --git a/target/linux/brcm47xx/patches-3.3/195-MIPS-BCM47xx-sprom-read-values-without-prefix-as-fal.patch b/target/linux/brcm47xx/patches-3.3/195-MIPS-BCM47xx-sprom-read-values-without-prefix-as-fal.patch
index c486e68c00..6b1db25805 100644
--- a/target/linux/brcm47xx/patches-3.3/195-MIPS-BCM47xx-sprom-read-values-without-prefix-as-fal.patch
+++ b/target/linux/brcm47xx/patches-3.3/195-MIPS-BCM47xx-sprom-read-values-without-prefix-as-fal.patch
@@ -1,6 +1,6 @@
--- a/arch/mips/bcm47xx/setup.c
+++ b/arch/mips/bcm47xx/setup.c
-@@ -127,7 +127,7 @@ static int bcm47xx_get_sprom_ssb(struct
+@@ -96,7 +96,7 @@ static int bcm47xx_get_sprom_ssb(struct
snprintf(prefix, sizeof(prefix), "pci/%u/%u/",
bus->host_pci->bus->number + 1,
PCI_SLOT(bus->host_pci->devfn));
@@ -9,7 +9,7 @@
return 0;
} else {
printk(KERN_WARNING "bcm47xx: unable to fill SPROM for given bustype.\n");
-@@ -146,7 +146,7 @@ static int bcm47xx_get_invariants(struct
+@@ -115,7 +115,7 @@ static int bcm47xx_get_invariants(struct
bcm47xx_fill_ssb_boardinfo(&iv->boardinfo, NULL);
memset(&iv->sprom, 0, sizeof(struct ssb_sprom));
@@ -18,7 +18,7 @@
if (nvram_getenv("cardbus", buf, sizeof(buf)) >= 0)
iv->has_cardbus_slot = !!simple_strtoul(buf, NULL, 10);
-@@ -248,18 +248,17 @@ static int bcm47xx_get_sprom_bcma(struct
+@@ -196,18 +196,17 @@ static int bcm47xx_get_sprom_bcma(struct
snprintf(prefix, sizeof(prefix), "pci/%u/%u/",
bus->host_pci->bus->number + 1,
PCI_SLOT(bus->host_pci->devfn));
diff --git a/target/linux/brcm47xx/patches-3.3/201-bcma-just-do-the-necessary-things-in-early-register.patch b/target/linux/brcm47xx/patches-3.3/201-bcma-just-do-the-necessary-things-in-early-register.patch
deleted file mode 100644
index 6ef5ecd51d..0000000000
--- a/target/linux/brcm47xx/patches-3.3/201-bcma-just-do-the-necessary-things-in-early-register.patch
+++ /dev/null
@@ -1,181 +0,0 @@
---- a/drivers/bcma/driver_chipcommon.c
-+++ b/drivers/bcma/driver_chipcommon.c
-@@ -22,12 +22,9 @@ static inline u32 bcma_cc_write32_masked
- return value;
- }
-
--void bcma_core_chipcommon_init(struct bcma_drv_cc *cc)
-+void bcma_core_chipcommon_early_init(struct bcma_drv_cc *cc)
- {
-- u32 leddc_on = 10;
-- u32 leddc_off = 90;
--
-- if (cc->setup_done)
-+ if (cc->early_setup_done)
- return;
-
- if (cc->core->id.rev >= 11)
-@@ -36,6 +33,22 @@ void bcma_core_chipcommon_init(struct bc
- if (cc->core->id.rev >= 35)
- cc->capabilities_ext = bcma_cc_read32(cc, BCMA_CC_CAP_EXT);
-
-+ if (cc->capabilities & BCMA_CC_CAP_PMU)
-+ bcma_pmu_early_init(cc);
-+
-+ cc->early_setup_done = true;
-+}
-+
-+void bcma_core_chipcommon_init(struct bcma_drv_cc *cc)
-+{
-+ u32 leddc_on = 10;
-+ u32 leddc_off = 90;
-+
-+ if (cc->setup_done)
-+ return;
-+
-+ bcma_core_chipcommon_early_init(cc);
-+
- if (cc->core->id.rev >= 20) {
- bcma_cc_write32(cc, BCMA_CC_GPIOPULLUP, 0);
- bcma_cc_write32(cc, BCMA_CC_GPIOPULLDOWN, 0);
---- a/drivers/bcma/driver_chipcommon_pmu.c
-+++ b/drivers/bcma/driver_chipcommon_pmu.c
-@@ -141,7 +141,7 @@ void bcma_pmu_workarounds(struct bcma_dr
- }
- }
-
--void bcma_pmu_init(struct bcma_drv_cc *cc)
-+void bcma_pmu_early_init(struct bcma_drv_cc *cc)
- {
- u32 pmucap;
-
-@@ -150,7 +150,10 @@ void bcma_pmu_init(struct bcma_drv_cc *c
-
- bcma_debug(cc->core->bus, "Found rev %u PMU (capabilities 0x%08X)\n",
- cc->pmu.rev, pmucap);
-+}
-
-+void bcma_pmu_init(struct bcma_drv_cc *cc)
-+{
- if (cc->pmu.rev == 1)
- bcma_cc_mask32(cc, BCMA_CC_PMU_CTL,
- ~BCMA_CC_PMU_CTL_NOILPONW);
---- a/drivers/bcma/driver_mips.c
-+++ b/drivers/bcma/driver_mips.c
-@@ -222,16 +222,33 @@ static void bcma_core_mips_flash_detect(
- }
- }
-
-+void bcma_core_mips_early_init(struct bcma_drv_mips *mcore)
-+{
-+ struct bcma_bus *bus = mcore->core->bus;
-+
-+ if (mcore->early_setup_done)
-+ return;
-+
-+ bcma_chipco_serial_init(&bus->drv_cc);
-+ bcma_core_mips_flash_detect(mcore);
-+
-+ mcore->early_setup_done = true;
-+}
-+
- void bcma_core_mips_init(struct bcma_drv_mips *mcore)
- {
- struct bcma_bus *bus;
- struct bcma_device *core;
- bus = mcore->core->bus;
-
-+ if (mcore->setup_done)
-+ return;
-+
- bcma_info(bus, "Initializing MIPS core...\n");
-
-- if (!mcore->setup_done)
-- mcore->assigned_irqs = 1;
-+ bcma_core_mips_early_init(mcore);
-+
-+ mcore->assigned_irqs = 1;
-
- /* Assign IRQs to all cores on the bus */
- list_for_each_entry(core, &bus->cores, list) {
-@@ -266,10 +283,5 @@ void bcma_core_mips_init(struct bcma_drv
- bcma_info(bus, "IRQ reconfiguration done\n");
- bcma_core_mips_dump_irq(bus);
-
-- if (mcore->setup_done)
-- return;
--
-- bcma_chipco_serial_init(&bus->drv_cc);
-- bcma_core_mips_flash_detect(mcore);
- mcore->setup_done = true;
- }
---- a/drivers/bcma/main.c
-+++ b/drivers/bcma/main.c
-@@ -247,18 +247,18 @@ int __init bcma_bus_early_register(struc
- return -1;
- }
-
-- /* Init CC core */
-+ /* Early init CC core */
- core = bcma_find_core(bus, bcma_cc_core_id(bus));
- if (core) {
- bus->drv_cc.core = core;
-- bcma_core_chipcommon_init(&bus->drv_cc);
-+ bcma_core_chipcommon_early_init(&bus->drv_cc);
- }
-
-- /* Init MIPS core */
-+ /* Early init MIPS core */
- core = bcma_find_core(bus, BCMA_CORE_MIPS_74K);
- if (core) {
- bus->drv_mips.core = core;
-- bcma_core_mips_init(&bus->drv_mips);
-+ bcma_core_mips_early_init(&bus->drv_mips);
- }
-
- bcma_info(bus, "Early bus registered\n");
---- a/include/linux/bcma/bcma_driver_chipcommon.h
-+++ b/include/linux/bcma/bcma_driver_chipcommon.h
-@@ -476,6 +476,7 @@ struct bcma_drv_cc {
- u32 capabilities;
- u32 capabilities_ext;
- u8 setup_done:1;
-+ u8 early_setup_done:1;
- /* Fast Powerup Delay constant */
- u16 fast_pwrup_delay;
- struct bcma_chipcommon_pmu pmu;
-@@ -510,6 +511,7 @@ struct bcma_drv_cc {
- bcma_cc_write32(cc, offset, (bcma_cc_read32(cc, offset) & (mask)) | (set))
-
- extern void bcma_core_chipcommon_init(struct bcma_drv_cc *cc);
-+extern void bcma_core_chipcommon_early_init(struct bcma_drv_cc *cc);
-
- extern void bcma_chipco_suspend(struct bcma_drv_cc *cc);
- extern void bcma_chipco_resume(struct bcma_drv_cc *cc);
-@@ -533,6 +535,7 @@ u32 bcma_chipco_gpio_polarity(struct bcm
-
- /* PMU support */
- extern void bcma_pmu_init(struct bcma_drv_cc *cc);
-+extern void bcma_pmu_early_init(struct bcma_drv_cc *cc);
-
- extern void bcma_chipco_pll_write(struct bcma_drv_cc *cc, u32 offset,
- u32 value);
---- a/include/linux/bcma/bcma_driver_mips.h
-+++ b/include/linux/bcma/bcma_driver_mips.h
-@@ -35,13 +35,16 @@ struct bcma_device;
- struct bcma_drv_mips {
- struct bcma_device *core;
- u8 setup_done:1;
-+ u8 early_setup_done:1;
- unsigned int assigned_irqs;
- };
-
- #ifdef CONFIG_BCMA_DRIVER_MIPS
- extern void bcma_core_mips_init(struct bcma_drv_mips *mcore);
-+extern void bcma_core_mips_early_init(struct bcma_drv_mips *mcore);
- #else
- static inline void bcma_core_mips_init(struct bcma_drv_mips *mcore) { }
-+static inline void bcma_core_mips_early_init(struct bcma_drv_mips *mcore) { }
- #endif
-
- extern u32 bcma_cpu_clock(struct bcma_drv_mips *mcore);
diff --git a/target/linux/brcm47xx/patches-3.3/202-bcma-init-sprom-struct-earlier.patch b/target/linux/brcm47xx/patches-3.3/202-bcma-init-sprom-struct-earlier.patch
deleted file mode 100644
index 03540f04cc..0000000000
--- a/target/linux/brcm47xx/patches-3.3/202-bcma-init-sprom-struct-earlier.patch
+++ /dev/null
@@ -1,37 +0,0 @@
---- a/drivers/bcma/main.c
-+++ b/drivers/bcma/main.c
-@@ -165,6 +165,20 @@ int __devinit bcma_bus_register(struct b
- return -1;
- }
-
-+ /* Early init CC core */
-+ core = bcma_find_core(bus, bcma_cc_core_id(bus));
-+ if (core) {
-+ bus->drv_cc.core = core;
-+ bcma_core_chipcommon_early_init(&bus->drv_cc);
-+ }
-+
-+ /* Try to get SPROM */
-+ err = bcma_sprom_get(bus);
-+ if (err == -ENOENT) {
-+ bcma_err(bus, "No SPROM available\n");
-+ } else if (err)
-+ bcma_err(bus, "Failed to get SPROM: %d\n", err);
-+
- /* Init CC core */
- core = bcma_find_core(bus, bcma_cc_core_id(bus));
- if (core) {
-@@ -193,13 +207,6 @@ int __devinit bcma_bus_register(struct b
- bcma_core_gmac_cmn_init(&bus->drv_gmac_cmn);
- }
-
-- /* Try to get SPROM */
-- err = bcma_sprom_get(bus);
-- if (err == -ENOENT) {
-- bcma_err(bus, "No SPROM available\n");
-- } else if (err)
-- bcma_err(bus, "Failed to get SPROM: %d\n", err);
--
- /* Register found cores */
- bcma_register_cores(bus);
-
diff --git a/target/linux/brcm47xx/patches-3.3/204-bcma-do-not-initialize-deactivated-PCIe-cores.patch b/target/linux/brcm47xx/patches-3.3/204-bcma-do-not-initialize-deactivated-PCIe-cores.patch
deleted file mode 100644
index 302ac8d954..0000000000
--- a/target/linux/brcm47xx/patches-3.3/204-bcma-do-not-initialize-deactivated-PCIe-cores.patch
+++ /dev/null
@@ -1,26 +0,0 @@
---- a/drivers/bcma/driver_pci_host.c
-+++ b/drivers/bcma/driver_pci_host.c
-@@ -35,11 +35,6 @@ bool __devinit bcma_core_pci_is_in_hostm
- chipid_top != 0x5300)
- return false;
-
-- if (bus->sprom.boardflags_lo & BCMA_CORE_PCI_BFL_NOPCI) {
-- bcma_info(bus, "This PCI core is disabled and not working\n");
-- return false;
-- }
--
- bcma_core_enable(pc->core, 0);
-
- return !mips_busprobe32(tmp, pc->core->io_addr);
-@@ -396,6 +391,11 @@ void __devinit bcma_core_pci_hostmode_in
-
- bcma_info(bus, "PCIEcore in host mode found\n");
-
-+ if (bus->sprom.boardflags_lo & BCMA_CORE_PCI_BFL_NOPCI) {
-+ bcma_info(bus, "This PCIE core is disabled and not working\n");
-+ return;
-+ }
-+
- pc_host = kzalloc(sizeof(*pc_host), GFP_KERNEL);
- if (!pc_host) {
- bcma_err(bus, "can not allocate memory");
diff --git a/target/linux/brcm47xx/patches-3.3/280-activate_ssb_support_in_usb.patch b/target/linux/brcm47xx/patches-3.3/280-activate_ssb_support_in_usb.patch
index c535c05db5..8b858e11ba 100644
--- a/target/linux/brcm47xx/patches-3.3/280-activate_ssb_support_in_usb.patch
+++ b/target/linux/brcm47xx/patches-3.3/280-activate_ssb_support_in_usb.patch
@@ -11,12 +11,12 @@ This prevents the options from being delete with make kernel_oldconfig.
depends on BCMA_DRIVER_MIPS
+ select USB_HCD_BCMA if USB_EHCI_HCD || USB_OHCI_HCD
- config BCMA_SFLASH
- bool
+ config BCMA_DRIVER_MIPS
+ bool "BCMA Broadcom MIPS core driver"
--- a/drivers/ssb/Kconfig
+++ b/drivers/ssb/Kconfig
-@@ -147,6 +147,7 @@ config SSB_SFLASH
- config SSB_EMBEDDED
+@@ -146,6 +146,7 @@ config SSB_EMBEDDED
+ config SSB_SFLASH
bool
depends on SSB_DRIVER_MIPS
+ select USB_HCD_SSB if USB_EHCI_HCD || USB_OHCI_HCD
diff --git a/target/linux/brcm47xx/patches-3.3/400-arch-bcm47xx.patch b/target/linux/brcm47xx/patches-3.3/400-arch-bcm47xx.patch
index a232bff91c..bdd2c040dc 100644
--- a/target/linux/brcm47xx/patches-3.3/400-arch-bcm47xx.patch
+++ b/target/linux/brcm47xx/patches-3.3/400-arch-bcm47xx.patch
@@ -1,6 +1,6 @@
--- a/arch/mips/bcm47xx/nvram.c
+++ b/arch/mips/bcm47xx/nvram.c
-@@ -274,3 +274,30 @@ int nvram_getenv(char *name, char *val,
+@@ -183,3 +183,30 @@ int nvram_getenv(char *name, char *val,
return NVRAM_ERR_ENVNOTFOUND;
}
EXPORT_SYMBOL(nvram_getenv);
diff --git a/target/linux/brcm47xx/patches-3.3/501-bcma-add-gpio-driver.patch b/target/linux/brcm47xx/patches-3.3/501-bcma-add-gpio-driver.patch
index 951c6d40e9..b8f72a12c6 100644
--- a/target/linux/brcm47xx/patches-3.3/501-bcma-add-gpio-driver.patch
+++ b/target/linux/brcm47xx/patches-3.3/501-bcma-add-gpio-driver.patch
@@ -99,7 +99,7 @@
void bcma_chipco_serial_init(struct bcma_drv_cc *cc)
--- a/include/linux/bcma/bcma_driver_chipcommon.h
+++ b/include/linux/bcma/bcma_driver_chipcommon.h
-@@ -495,6 +495,9 @@ struct bcma_drv_cc {
+@@ -551,6 +551,9 @@ struct bcma_drv_cc {
int nr_serial_ports;
struct bcma_serial_port serial_ports[4];
#endif /* CONFIG_BCMA_DRIVER_MIPS */
@@ -109,7 +109,7 @@
};
/* Register access */
-@@ -525,13 +528,22 @@ void bcma_chipco_irq_mask(struct bcma_dr
+@@ -581,13 +584,22 @@ void bcma_chipco_irq_mask(struct bcma_dr
u32 bcma_chipco_irq_status(struct bcma_drv_cc *cc, u32 mask);
diff --git a/target/linux/brcm47xx/patches-3.3/502-bcm47xx-rewrite-gpio-handling.patch b/target/linux/brcm47xx/patches-3.3/502-bcm47xx-rewrite-gpio-handling.patch
index 2f62728d6e..187e64e875 100644
--- a/target/linux/brcm47xx/patches-3.3/502-bcm47xx-rewrite-gpio-handling.patch
+++ b/target/linux/brcm47xx/patches-3.3/502-bcm47xx-rewrite-gpio-handling.patch
@@ -276,7 +276,7 @@
+EXPORT_SYMBOL(gpio_set_value);
--- a/arch/mips/bcm47xx/setup.c
+++ b/arch/mips/bcm47xx/setup.c
-@@ -346,6 +346,8 @@ void __init plat_mem_setup(void)
+@@ -252,6 +252,8 @@ void __init plat_mem_setup(void)
_machine_restart = bcm47xx_machine_restart;
_machine_halt = bcm47xx_machine_halt;
pm_power_off = bcm47xx_machine_halt;
@@ -307,7 +307,7 @@
+
if (!request_irq(gpio_to_irq(WGT634U_GPIO_RESET),
gpio_interrupt, IRQF_SHARED,
- "WGT634U GPIO", ccore)) {
+ "WGT634U GPIO", &bcm47xx_bus.ssb.chipco)) {
--- a/arch/mips/include/asm/mach-bcm47xx/bcm47xx.h
+++ b/arch/mips/include/asm/mach-bcm47xx/bcm47xx.h
@@ -56,4 +56,6 @@ void bcm47xx_fill_bcma_boardinfo(struct
diff --git a/target/linux/brcm47xx/patches-3.3/812-disable_wgt634u_crap.patch b/target/linux/brcm47xx/patches-3.3/812-disable_wgt634u_crap.patch
index a2902e7c72..2819ca1739 100644
--- a/target/linux/brcm47xx/patches-3.3/812-disable_wgt634u_crap.patch
+++ b/target/linux/brcm47xx/patches-3.3/812-disable_wgt634u_crap.patch
@@ -3,7 +3,7 @@
@@ -4,4 +4,3 @@
#
- obj-y += gpio.o irq.o nvram.o prom.o serial.o setup.o time.o sprom.o bus.o
+ obj-y += gpio.o irq.o nvram.o prom.o serial.o setup.o time.o sprom.o
-obj-$(CONFIG_BCM47XX_SSB) += wgt634u.o
--- a/arch/mips/bcm47xx/wgt634u.c
+++ /dev/null
@@ -153,7 +153,7 @@
- if (et0mac[0] == 0x00 &&
- ((et0mac[1] == 0x09 && et0mac[2] == 0x5b) ||
- (et0mac[1] == 0x0f && et0mac[2] == 0xb5))) {
-- struct ssb_chipcommon *ccore = &bcm47xx_bus.ssb.chipco;
+- struct ssb_mipscore *mcore = &bcm47xx_bus.ssb.mipscore;
-
- printk(KERN_INFO "WGT634U machine detected.\n");
-
@@ -165,18 +165,18 @@
-
- if (!request_irq(gpio_to_irq(WGT634U_GPIO_RESET),
- gpio_interrupt, IRQF_SHARED,
-- "WGT634U GPIO", ccore)) {
+- "WGT634U GPIO", &bcm47xx_bus.ssb.chipco)) {
- gpio_direction_input(WGT634U_GPIO_RESET);
- gpio_intmask(WGT634U_GPIO_RESET, 1);
-- ssb_chipco_irq_mask(ccore,
+- ssb_chipco_irq_mask(&bcm47xx_bus.ssb.chipco,
- SSB_CHIPCO_IRQ_GPIO,
- SSB_CHIPCO_IRQ_GPIO);
- }
-
-- wgt634u_flash_data.width = ccore->pflash.buswidth;
-- wgt634u_flash_resource.start = ccore->pflash.window;
-- wgt634u_flash_resource.end = ccore->pflash.window
-- + ccore->pflash.window_size
+- wgt634u_flash_data.width = mcore->pflash.buswidth;
+- wgt634u_flash_resource.start = mcore->pflash.window;
+- wgt634u_flash_resource.end = mcore->pflash.window
+- + mcore->pflash.window_size
- - 1;
- return platform_add_devices(wgt634u_devices,
- ARRAY_SIZE(wgt634u_devices));
diff --git a/target/linux/brcm47xx/patches-3.3/820-wgt634u-nvram-fix.patch b/target/linux/brcm47xx/patches-3.3/820-wgt634u-nvram-fix.patch
index 457958a9d9..0aef7952d1 100644
--- a/target/linux/brcm47xx/patches-3.3/820-wgt634u-nvram-fix.patch
+++ b/target/linux/brcm47xx/patches-3.3/820-wgt634u-nvram-fix.patch
@@ -9,8 +9,8 @@ out the configuration than the in kernel cfe config reader.
# under Linux.
#
--obj-y += gpio.o irq.o nvram.o prom.o serial.o setup.o time.o sprom.o bus.o
-+obj-y += gpio.o irq.o nvram.o prom.o serial.o setup.o time.o sprom.o bus.o cfe_env.o
+-obj-y += gpio.o irq.o nvram.o prom.o serial.o setup.o time.o sprom.o
++obj-y += gpio.o irq.o nvram.o prom.o serial.o setup.o time.o sprom.o cfe_env.o
--- /dev/null
+++ b/arch/mips/bcm47xx/cfe_env.c
@@ -0,0 +1,229 @@
@@ -245,18 +245,18 @@ out the configuration than the in kernel cfe config reader.
+
--- a/arch/mips/bcm47xx/nvram.c
+++ b/arch/mips/bcm47xx/nvram.c
-@@ -25,6 +25,8 @@
- #include <linux/mtd/bcm47xx_nand.h>
+@@ -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);
- /* Probe for NVRAM header */
- static void early_nvram_init_pflash(void)
-@@ -58,6 +60,25 @@ static void early_nvram_init_pflash(void
- break;
- #endif
+ static u32 find_nvram_size(u32 end)
+ {
+@@ -59,6 +61,25 @@ static void early_nvram_init_fill(u32 ba
+ }
+ off <<= 1;
}
+ cfe_env = 0;
+
@@ -278,9 +278,9 @@ out the configuration than the in kernel cfe config reader.
+ }
+ }
- off = FLASH_MIN;
- while (off <= lim) {
-@@ -257,6 +278,12 @@ int nvram_getenv(char *name, char *val,
+ /* Try embedded NVRAM at 4 KB and 1 KB as last resorts */
+ header = (struct nvram_header *) KSEG1ADDR(base + 4096);
+@@ -166,6 +187,12 @@ int nvram_getenv(char *name, char *val,
if (!nvram_buf[0])
early_nvram_init();
@@ -293,7 +293,7 @@ out the configuration than the in kernel cfe config reader.
/* Look for name=value and return value */
var = &nvram_buf[sizeof(struct nvram_header)];
end = nvram_buf + sizeof(nvram_buf) - 2;
-@@ -285,6 +312,9 @@ char *nvram_get(const char *name)
+@@ -194,6 +221,9 @@ char *nvram_get(const char *name)
if (!nvram_buf[0])
early_nvram_init();
diff --git a/target/linux/brcm47xx/patches-3.3/980-wnr834b_no_cardbus_invariant.patch b/target/linux/brcm47xx/patches-3.3/980-wnr834b_no_cardbus_invariant.patch
index 7626c62abc..1c0c6195e8 100644
--- a/target/linux/brcm47xx/patches-3.3/980-wnr834b_no_cardbus_invariant.patch
+++ b/target/linux/brcm47xx/patches-3.3/980-wnr834b_no_cardbus_invariant.patch
@@ -1,6 +1,6 @@
--- a/arch/mips/bcm47xx/setup.c
+++ b/arch/mips/bcm47xx/setup.c
-@@ -151,6 +151,10 @@ static int bcm47xx_get_invariants(struct
+@@ -120,6 +120,10 @@ static int bcm47xx_get_invariants(struct
if (nvram_getenv("cardbus", buf, sizeof(buf)) >= 0)
iv->has_cardbus_slot = !!simple_strtoul(buf, NULL, 10);
diff --git a/target/linux/brcm47xx/patches-3.3/999-wl_exports.patch b/target/linux/brcm47xx/patches-3.3/999-wl_exports.patch
index e45b402426..1bf09f36b0 100644
--- a/target/linux/brcm47xx/patches-3.3/999-wl_exports.patch
+++ b/target/linux/brcm47xx/patches-3.3/999-wl_exports.patch
@@ -1,8 +1,8 @@
--- a/arch/mips/bcm47xx/nvram.c
+++ b/arch/mips/bcm47xx/nvram.c
-@@ -24,7 +24,8 @@
- #include <asm/mach-bcm47xx/bus.h>
- #include <linux/mtd/bcm47xx_nand.h>
+@@ -21,7 +21,8 @@
+ #include <asm/mach-bcm47xx/nvram.h>
+ #include <asm/mach-bcm47xx/bcm47xx.h>
-static char nvram_buf[NVRAM_SPACE];
+char nvram_buf[NVRAM_SPACE];