Upgrade rb532 to .23, provide generic GPIO API to this board

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@10171 3c298f89-4303-0410-b956-a3cf2f4a3e73

15 files changed, 554 insertions, 209 deletions

diff --git a/target/linux/rb532/Makefile b/target/linux/rb532/Makefile
index c80449dc0..30512477f 100644
--- a/target/linux/rb532/Makefile
+++ b/target/linux/rb532/Makefile
@@ -11,7 +11,7 @@ BOARD:=rb532
 BOARDNAME:=Mikrotik RouterBoard 532
 FEATURES:=jffs2 pci tgz
 
-LINUX_VERSION:=2.6.22.4
+LINUX_VERSION:=2.6.23.12
 
 include $(INCLUDE_DIR)/target.mk
 
diff --git a/target/linux/rb532/config-2.6.23 b/target/linux/rb532/config-2.6.23
new file mode 100644
index 000000000..9a080898d
--- /dev/null
+++ b/target/linux/rb532/config-2.6.23
@@ -0,0 +1,200 @@
+CONFIG_32BIT=y
+# CONFIG_64BIT is not set
+# CONFIG_8139TOO is not set
+# CONFIG_ARCH_HAS_ILOG2_U32 is not set
+# CONFIG_ARCH_HAS_ILOG2_U64 is not set
+# CONFIG_ARCH_SUPPORTS_MSI is not set
+# CONFIG_ATM is not set
+# CONFIG_AX25 is not set
+CONFIG_BASE_SMALL=0
+CONFIG_BITREVERSE=y
+# CONFIG_BLK_DEV_CF_MIPS is not set
+# CONFIG_BT is not set
+# CONFIG_CPU_BIG_ENDIAN is not set
+CONFIG_CPU_HAS_LLSC=y
+CONFIG_CPU_HAS_PREFETCH=y
+CONFIG_CPU_HAS_SYNC=y
+CONFIG_CPU_LITTLE_ENDIAN=y
+# CONFIG_CPU_LOONGSON2 is not set
+CONFIG_CPU_MIPS32=y
+CONFIG_CPU_MIPS32_R1=y
+# CONFIG_CPU_MIPS32_R2 is not set
+# CONFIG_CPU_MIPS64_R1 is not set
+# CONFIG_CPU_MIPS64_R2 is not set
+CONFIG_CPU_MIPSR1=y
+# CONFIG_CPU_NEVADA is not set
+# CONFIG_CPU_R10000 is not set
+# CONFIG_CPU_R3000 is not set
+# CONFIG_CPU_R4300 is not set
+# CONFIG_CPU_R4X00 is not set
+# CONFIG_CPU_R5000 is not set
+# CONFIG_CPU_R5432 is not set
+# CONFIG_CPU_R6000 is not set
+# CONFIG_CPU_R8000 is not set
+# CONFIG_CPU_RM7000 is not set
+# CONFIG_CPU_RM9000 is not set
+# CONFIG_CPU_SB1 is not set
+CONFIG_CPU_SUPPORTS_32BIT_KERNEL=y
+CONFIG_CPU_SUPPORTS_HIGHMEM=y
+# CONFIG_CPU_TX39XX is not set
+# CONFIG_CPU_TX49XX is not set
+# CONFIG_CPU_VR41XX is not set
+# CONFIG_CRYPTO_HW is not set
+CONFIG_DEVPORT=y
+# CONFIG_DM9000 is not set
+CONFIG_DMA_NEED_PCI_MAP_STATE=y
+CONFIG_DMA_NONCOHERENT=y
+CONFIG_EXT2_FS=y
+CONFIG_FS_POSIX_ACL=y
+CONFIG_GENERIC_FIND_NEXT_BIT=y
+CONFIG_GENERIC_GPIO=y
+# CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ is not set
+CONFIG_HAS_DMA=y
+CONFIG_HAS_IOMEM=y
+CONFIG_HAS_IOPORT=y
+CONFIG_HID_SUPPORT=y
+CONFIG_HW_HAS_PCI=y
+CONFIG_HW_RANDOM=y
+# CONFIG_I2C is not set
+# CONFIG_IDE is not set
+CONFIG_INITRAMFS_SOURCE=""
+CONFIG_INPUT=y
+CONFIG_INPUT_KEYBOARD=y
+CONFIG_IRQ_CPU=y
+# CONFIG_KEYBOARD_ATKBD is not set
+CONFIG_KEYBOARD_GPIO=y
+# CONFIG_KEYBOARD_LKKBD is not set
+# CONFIG_KEYBOARD_NEWTON is not set
+# CONFIG_KEYBOARD_STOWAWAY is not set
+# CONFIG_KEYBOARD_SUNKBD is not set
+# CONFIG_KEYBOARD_XTKBD is not set
+CONFIG_KORINA=y
+# CONFIG_LEDS_ALIX is not set
+# CONFIG_LEDS_GPIO is not set
+CONFIG_LEDS_RB500=y
+# CONFIG_LEMOTE_FULONG is not set
+# CONFIG_MACH_ALCHEMY is not set
+# CONFIG_MACH_DECSTATION is not set
+# CONFIG_MACH_JAZZ is not set
+# CONFIG_MACH_VR41XX is not set
+CONFIG_MIKROTIK_RB500=y
+CONFIG_MINI_FO=m
+CONFIG_MIPS=y
+# CONFIG_MIPS_ATLAS is not set
+# CONFIG_MIPS_COBALT is not set
+CONFIG_MIPS_L1_CACHE_SHIFT=4
+# CONFIG_MIPS_MALTA is not set
+CONFIG_MIPS_MT_DISABLED=y
+# CONFIG_MIPS_MT_SMP is not set
+# CONFIG_MIPS_MT_SMTC is not set
+# CONFIG_MIPS_SEAD is not set
+# CONFIG_MIPS_SIM is not set
+CONFIG_MTD=y
+# CONFIG_MTD_ABSENT is not set
+CONFIG_MTD_BLKDEVS=y
+CONFIG_MTD_BLOCK=y
+CONFIG_MTD_BLOCK2MTD=y
+# CONFIG_MTD_CFI is not set
+CONFIG_MTD_CFI_I1=y
+CONFIG_MTD_CFI_I2=y
+# CONFIG_MTD_CFI_I4 is not set
+# CONFIG_MTD_CFI_I8 is not set
+CONFIG_MTD_CHAR=y
+# CONFIG_MTD_CMDLINE_PARTS is not set
+# CONFIG_MTD_COMPLEX_MAPPINGS is not set
+# CONFIG_MTD_CONCAT is not set
+# CONFIG_MTD_DEBUG is not set
+# CONFIG_MTD_DOC2000 is not set
+# CONFIG_MTD_DOC2001 is not set
+# CONFIG_MTD_DOC2001PLUS is not set
+# CONFIG_MTD_JEDECPROBE is not set
+CONFIG_MTD_MAP_BANK_WIDTH_1=y
+# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set
+CONFIG_MTD_MAP_BANK_WIDTH_2=y
+# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set
+CONFIG_MTD_MAP_BANK_WIDTH_4=y
+# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set
+# CONFIG_MTD_MTDRAM is not set
+CONFIG_MTD_NAND=y
+# CONFIG_MTD_NAND_CAFE is not set
+# CONFIG_MTD_NAND_DISKONCHIP is not set
+# CONFIG_MTD_NAND_ECC_SMC is not set
+CONFIG_MTD_NAND_IDS=y
+# CONFIG_MTD_NAND_MUSEUM_IDS is not set
+# CONFIG_MTD_NAND_NANDSIM is not set
+CONFIG_MTD_NAND_PLATFORM=y
+CONFIG_MTD_NAND_VERIFY_WRITE=y
+# CONFIG_MTD_ONENAND is not set
+CONFIG_MTD_PARTITIONS=y
+# CONFIG_MTD_PHRAM is not set
+# CONFIG_MTD_PLATRAM is not set
+# CONFIG_MTD_PMC551 is not set
+# CONFIG_MTD_RAM is not set
+# CONFIG_MTD_REDBOOT_PARTS is not set
+# CONFIG_MTD_ROM is not set
+# CONFIG_MTD_SLRAM is not set
+# CONFIG_NATSEMI is not set
+# CONFIG_NE2K_PCI is not set
+# CONFIG_NET_SCH_ESFQ_NFCT is not set
+# CONFIG_NET_VENDOR_3COM is not set
+# CONFIG_NO_IOPORT is not set
+# CONFIG_PAGE_SIZE_16KB is not set
+CONFIG_PAGE_SIZE_4KB=y
+# CONFIG_PAGE_SIZE_64KB is not set
+# CONFIG_PAGE_SIZE_8KB is not set
+# CONFIG_PCIPCWATCHDOG is not set
+# CONFIG_PMC_MSP is not set
+# CONFIG_PMC_YOSEMITE is not set
+# CONFIG_PNX8550_JBS is not set
+# CONFIG_PNX8550_STB810 is not set
+CONFIG_RC32434_WDT=y
+# CONFIG_RTC is not set
+CONFIG_RWSEM_GENERIC_SPINLOCK=y
+CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y
+CONFIG_SCSI_WAIT_SCAN=m
+# CONFIG_SERIAL_8250_EXTENDED is not set
+# CONFIG_SGI_IP22 is not set
+# CONFIG_SGI_IP27 is not set
+# CONFIG_SGI_IP32 is not set
+# CONFIG_SIBYTE_BIGSUR is not set
+# CONFIG_SIBYTE_CARMEL is not set
+# CONFIG_SIBYTE_CRHINE is not set
+# CONFIG_SIBYTE_CRHONE is not set
+# CONFIG_SIBYTE_LITTLESUR is not set
+# CONFIG_SIBYTE_PTSWARM is not set
+# CONFIG_SIBYTE_RHONE is not set
+# CONFIG_SIBYTE_SENTOSA is not set
+# CONFIG_SIBYTE_SWARM is not set
+# CONFIG_SOFT_WATCHDOG is not set
+# CONFIG_SOUND is not set
+# CONFIG_SPARSEMEM_STATIC is not set
+CONFIG_SWAP_IO_SPACE=y
+CONFIG_SYSVIPC_SYSCTL=y
+CONFIG_SYS_HAS_CPU_MIPS32_R1=y
+CONFIG_SYS_SUPPORTS_32BIT_KERNEL=y
+CONFIG_SYS_SUPPORTS_ARBIT_HZ=y
+CONFIG_SYS_SUPPORTS_LITTLE_ENDIAN=y
+# CONFIG_TC35815 is not set
+# CONFIG_TOSHIBA_JMR3927 is not set
+# CONFIG_TOSHIBA_RBTX4927 is not set
+# CONFIG_TOSHIBA_RBTX4938 is not set
+CONFIG_TRAD_SIGNALS=y
+# CONFIG_USB is not set
+# CONFIG_USER_NS is not set
+# CONFIG_VGASTATE is not set
+CONFIG_VIA_RHINE=y
+# CONFIG_VIA_RHINE_MMIO is not set
+CONFIG_VIA_RHINE_NAPI=y
+# CONFIG_YAFFS_9BYTE_TAGS is not set
+CONFIG_YAFFS_ALWAYS_CHECK_CHUNK_ERASED=y
+CONFIG_YAFFS_AUTO_YAFFS2=y
+CONFIG_YAFFS_CHECKPOINT_RESERVED_BLOCKS=0
+# CONFIG_YAFFS_DISABLE_LAZY_LOAD is not set
+# CONFIG_YAFFS_DISABLE_WIDE_TNODES is not set
+CONFIG_YAFFS_DOES_ECC=y
+CONFIG_YAFFS_ECC_WRONG_ORDER=y
+CONFIG_YAFFS_FS=y
+CONFIG_YAFFS_SHORT_NAMES_IN_RAM=y
+CONFIG_YAFFS_YAFFS1=y
+CONFIG_YAFFS_YAFFS2=y
+CONFIG_ZONE_DMA_FLAG=0
diff --git a/target/linux/rb532/files/arch/mips/pci/fixup-rb500.c b/target/linux/rb532/files/arch/mips/pci/fixup-rb500.c
index ceb53b0aa..76c465fea 100644
--- a/target/linux/rb532/files/arch/mips/pci/fixup-rb500.c
+++ b/target/linux/rb532/files/arch/mips/pci/fixup-rb500.c
@@ -24,12 +24,14 @@
  *  675 Mass Ave, Cambridge, MA 02139, USA.
  */
 
-#include <linux/autoconf.h>
 #include <linux/types.h>
 #include <linux/pci.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 
+#include <asm/pci.h>
+#include <asm/io.h>
+
 #include <asm/rc32434/rc32434.h>
 
 static int __devinitdata irq_map[2][12] = {
@@ -37,7 +39,7 @@ static int __devinitdata irq_map[2][12] = {
 	{ 0, 0, 1, 3, 0, 2, 1, 3, 0, 2, 1, 3 }
 };
 
-int __devinit pcibios_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
 {
 	int irq = 0;
 
diff --git a/target/linux/rb532/files/arch/mips/rb500/Makefile b/target/linux/rb532/files/arch/mips/rb500/Makefile
index 3a6a2855a..d3ae3d912 100644
--- a/target/linux/rb532/files/arch/mips/rb500/Makefile
+++ b/target/linux/rb532/files/arch/mips/rb500/Makefile
@@ -2,4 +2,4 @@
 # Makefile for the RB500 board specific parts of the kernel
 #
 
-obj-y	 += irq.o time.o setup.o serial.o prom.o misc.o devices.o
+obj-y	 += irq.o time.o setup.o serial.o prom.o gpio.o devices.o
diff --git a/target/linux/rb532/files/arch/mips/rb500/gpio.c b/target/linux/rb532/files/arch/mips/rb500/gpio.c
new file mode 100644
index 000000000..9e19a6336
--- /dev/null
+++ b/target/linux/rb532/files/arch/mips/rb500/gpio.c
@@ -0,0 +1,159 @@
+/*
+ *  Miscellaneous functions for IDT EB434 board
+ *
+ *  Copyright 2004 IDT Inc. (rischelp@idt.com)
+ *  Copyright 2006 Phil Sutter <n0-1@freewrt.org>
+ *  Copyright 2007 Florian Fainelli <florian@openwrt.org>
+ *
+ *  This program is free software; you can redistribute  it and/or modify it
+ *  under  the terms of  the GNU General  Public License as published by the
+ *  Free Software Foundation;  either version 2 of the  License, or (at your
+ *  option) any later version.
+ *
+ *  THIS  SOFTWARE  IS PROVIDED   ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED
+ *  WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
+ *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
+ *  NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT,
+ *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ *  NOT LIMITED   TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF
+ *  USE, DATA,  OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ *  ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT
+ *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ *  You should have received a copy of the  GNU General Public License along
+ *  with this program; if not, write  to the Free Software Foundation, Inc.,
+ *  675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/types.h>
+#include <linux/pci.h>
+#include <linux/spinlock.h>
+#include <linux/io.h>
+#include <linux/platform_device.h>
+
+#include <asm/addrspace.h>
+#include <asm/gpio.h>
+
+#include <asm/rc32434/rb.h>
+
+#define GPIO_BADDR  0xb8050000
+
+static volatile unsigned char *devCtl3Base;
+static unsigned char latchU5State;
+static spinlock_t clu5Lock = SPIN_LOCK_UNLOCKED;
+
+struct rb500_gpio_reg __iomem *rb500_gpio_reg0;
+EXPORT_SYMBOL(rb500_gpio_reg0);
+
+static struct resource rb500_gpio_reg0_res[] = {
+	{
+		.name 	= "gpio_reg0",
+		.start 	= GPIO_BADDR,
+		.end 	= GPIO_BADDR + sizeof(struct rb500_gpio_reg),
+		.flags 	= IORESOURCE_MEM,
+	}
+};
+
+void set434Reg(unsigned regOffs, unsigned bit, unsigned len, unsigned val)
+{
+	unsigned flags, data;
+	unsigned i = 0;
+
+	spin_lock_irqsave(&clu5Lock, flags);
+	data = *(volatile unsigned *) (IDT434_REG_BASE + regOffs);
+	for (i = 0; i != len; ++i) {
+		if (val & (1 << i))
+			data |= (1 << (i + bit));
+		else
+			data &= ~(1 << (i + bit));
+	}
+	*(volatile unsigned *) (IDT434_REG_BASE + regOffs) = data;
+	spin_unlock_irqrestore(&clu5Lock, flags);
+}
+
+EXPORT_SYMBOL(set434Reg);
+
+void changeLatchU5(unsigned char orMask, unsigned char nandMask)
+{
+	unsigned flags;
+
+	spin_lock_irqsave(&clu5Lock, flags);
+	latchU5State = (latchU5State | orMask) & ~nandMask;
+	if (!devCtl3Base)
+		devCtl3Base = (volatile unsigned char *)
+		    KSEG1ADDR(*(volatile unsigned *)
+			      KSEG1ADDR(0x18010030));
+	*devCtl3Base = latchU5State;
+	spin_unlock_irqrestore(&clu5Lock, flags);
+}
+
+EXPORT_SYMBOL(changeLatchU5);
+
+unsigned char getLatchU5State(void)
+{
+	return latchU5State;
+}
+
+EXPORT_SYMBOL(getLatchU5State);
+
+int rb500_gpio_get_value(unsigned gpio)
+{
+	u32 reg;
+
+	reg = readl(&rb500_gpio_reg0->gpiod);
+	return (reg & (1 << gpio));
+}
+
+EXPORT_SYMBOL(rb500_gpio_get_value);
+
+void rb500_gpio_set_value(unsigned gpio, int value)
+{
+	u32 reg;
+
+	reg = (u32)&rb500_gpio_reg0->gpiod;
+
+	writel(value, (void *)(reg & (1 << gpio)));
+}
+
+EXPORT_SYMBOL(rb500_gpio_set_value);
+
+int rb500_gpio_direction_input(unsigned gpio)
+{
+	u32 reg;
+
+	reg = (u32)&rb500_gpio_reg0->gpiocfg;
+	writel(0, (void *)(reg & (1 << gpio)));
+
+	return 0;
+}
+
+EXPORT_SYMBOL(rb500_gpio_direction_input);
+
+int rb500_gpio_direction_output(unsigned gpio, int value)
+{
+	u32 reg;
+
+	reg = (u32)&rb500_gpio_reg0->gpiocfg;
+	if (value)
+		writel(1, (void *)(reg & (1 << gpio)));
+
+	return 0;
+}
+
+EXPORT_SYMBOL(rb500_gpio_direction_output);
+
+int __init rb500_gpio_init(void)
+{
+	rb500_gpio_reg0 = ioremap_nocache(rb500_gpio_reg0_res[0].start,
+				rb500_gpio_reg0_res[0].end - rb500_gpio_reg0_res[0].start);
+
+	if (!rb500_gpio_reg0) {
+		printk(KERN_ERR "rb500: cannot remap GPIO register 0\n");
+		return -ENXIO;
+	}
+
+	return 0;
+}
diff --git a/target/linux/rb532/files/arch/mips/rb500/irq.c b/target/linux/rb532/files/arch/mips/rb500/irq.c
index 47521c7c5..5a4d349d4 100644
--- a/target/linux/rb532/files/arch/mips/rb500/irq.c
+++ b/target/linux/rb532/files/arch/mips/rb500/irq.c
@@ -63,6 +63,7 @@ static void rb500_enable_irq(unsigned int irq_nr);
 static void rb500_disable_irq(unsigned int irq_nr);
 
 extern void __init init_generic_irq(void);
+extern struct rb500_gpio_reg __iomem *rb500_gpio_reg0;
 
 typedef struct {
   u32 mask;       /* mask of valid bits in pending/mask registers */
@@ -205,7 +206,7 @@ static void rb500_end_irq(unsigned int irq_nr)
 		intr_bit = 1 << ip;
 	
 		if (irq_nr >= GROUP4_IRQ_BASE && irq_nr <= (GROUP4_IRQ_BASE + 13)) {
-			gpio->gpioistat = gpio->gpioistat & ~intr_bit;
+			rb500_gpio_reg0->gpioistat = rb500_gpio_reg0->gpioistat & ~intr_bit;
 		}
 	
 		enable_local_irq(group_to_ip(group));
diff --git a/target/linux/rb532/files/arch/mips/rb500/misc.c b/target/linux/rb532/files/arch/mips/rb500/misc.c
deleted file mode 100644
index 42039b7aa..000000000
--- a/target/linux/rb532/files/arch/mips/rb500/misc.c
+++ /dev/null
@@ -1,56 +0,0 @@
-#include <linux/module.h>
-#include <linux/kernel.h>   /* printk() */
-#include <linux/types.h>    /* size_t */
-#include <linux/pci.h>
-#include <linux/spinlock.h>
-#include <asm/rc32434/rb.h>
-
-#define GPIO_BADDR  0xb8050000
-
-
-static volatile unsigned char *devCtl3Base = 0;
-static unsigned char latchU5State = 0;
-static spinlock_t clu5Lock = SPIN_LOCK_UNLOCKED;
-
-void set434Reg(unsigned regOffs, unsigned bit, unsigned len, unsigned val) {
-    unsigned flags, data;
-    unsigned i = 0;
-    spin_lock_irqsave(&clu5Lock, flags);
-    data = *(volatile unsigned *) (IDT434_REG_BASE + regOffs);
-    for (i = 0; i != len; ++i) {
-	if (val & (1 << i)) data |= (1 << (i + bit));
-	else data &= ~(1 << (i + bit));
-    }
-    *(volatile unsigned *) (IDT434_REG_BASE + regOffs) = data;
-    spin_unlock_irqrestore(&clu5Lock, flags);
-}
-
-void changeLatchU5(unsigned char orMask, unsigned char nandMask) {
-    unsigned flags;
-    spin_lock_irqsave(&clu5Lock, flags);
-    latchU5State = (latchU5State | orMask) & ~nandMask;
-    if( !devCtl3Base) devCtl3Base = (volatile unsigned char *)
-	        KSEG1ADDR(*(volatile unsigned *) KSEG1ADDR(0x18010030));
-    *devCtl3Base = latchU5State;
-    spin_unlock_irqrestore(&clu5Lock, flags);
-}
-
-u32 gpio_get(gpio_func func)
-{
-	return readl((void *) GPIO_BADDR + func);
-}
-
-void gpio_set(gpio_func func, u32 mask, u32 value)
-{
-	u32 val = readl((void *) GPIO_BADDR + func);
-	
-	val &= ~mask;
-	val |= value & mask;
-	
-	writel(val, (void *) GPIO_BADDR + func);
-}
-
-EXPORT_SYMBOL(gpio_set);
-EXPORT_SYMBOL(gpio_get);
-EXPORT_SYMBOL(set434Reg);
-EXPORT_SYMBOL(changeLatchU5);
diff --git a/target/linux/rb532/files/arch/mips/rb500/serial.c b/target/linux/rb532/files/arch/mips/rb500/serial.c
index 49c5252fe..25a03e010 100644
--- a/target/linux/rb532/files/arch/mips/rb500/serial.c
+++ b/target/linux/rb532/files/arch/mips/rb500/serial.c
@@ -45,6 +45,7 @@
 #include <linux/tty.h>
 #include <linux/serial.h>
 #include <linux/serial_core.h>
+#include <linux/serial_8250.h>
 
 #include <asm/time.h>
 #include <asm/cpu.h>
@@ -59,7 +60,7 @@ static struct uart_port serial_req = {
 	.type = PORT_16550A,
 	.line = 0,
 	.irq = RC32434_UART0_IRQ,
-	.flags = STD_COM_FLAGS,
+	//.flags = STD_COM_FLAGS,
 	.iotype = UPIO_MEM,
 	.membase = (char *) KSEG1ADDR(RC32434_UART0_BASE),
 //	.fifosize = 14
diff --git a/target/linux/rb532/files/include/asm-mips/rc32434/gpio.h b/target/linux/rb532/files/include/asm-mips/rc32434/gpio.h
index 1638cfeac..393259342 100644
--- a/target/linux/rb532/files/include/asm-mips/rc32434/gpio.h
+++ b/target/linux/rb532/files/include/asm-mips/rc32434/gpio.h
@@ -1,39 +1,21 @@
-#ifndef __IDT_GPIO_H__
-#define __IDT_GPIO_H__
-
-/*******************************************************************************
- *
+/*
  * Copyright 2002 Integrated Device Technology, Inc.
- *		All rights reserved.
+ *	All rights reserved.
  *
  * GPIO register definition.
  *
- * File   : $Id: gpio.h,v 1.2 2002/06/06 18:34:04 astichte Exp $
- *
  * Author : ryan.holmQVist@idt.com
  * Date   : 20011005
- * Update :
- *	    $Log: gpio.h,v $
- *	    Revision 1.2  2002/06/06 18:34:04  astichte
- *	    Added XXX_PhysicalAddress and XXX_VirtualAddress
- *	
- *	    Revision 1.1  2002/05/29 17:33:22  sysarch
- *	    jba File moved from vcode/include/idt/acacia
- *	
- *
- ******************************************************************************/
+ * Copyright (C) 2001, 2002 Ryan Holm <ryan.holmQVist@idt.com>
+ * Copyright (C) 2008 Florian Fainelli <florian@openwrt.org>
+ */
 
-enum
-{
-	GPIO0_PhysicalAddress	= 0x18050000,
-	GPIO_PhysicalAddress	= GPIO0_PhysicalAddress,	// Default
+#ifndef _RC32434_GPIO_H_
+#define _RC32434_GPIO_H_
 
-	GPIO0_VirtualAddress	= 0xb8050000,
-	GPIO_VirtualAddress	= GPIO0_VirtualAddress,		// Default
-} ;
+#include <linux/types.h>
 
-typedef struct
-{
+struct rb500_gpio_reg {
 	u32   gpiofunc;   /* GPIO Function Register
 			   * gpiofunc[x]==0 bit = gpio
 			   * func[x]==1  bit = altfunc
@@ -53,9 +35,9 @@ typedef struct
 			   * cleared in ISR (STICKY bits)
 			   */
 	u32   gpionmien;  /* GPIO Non-maskable Interrupt Enable Register */
-} volatile * GPIO_t ;
+};
 
-typedef enum
+enum gpio_regs
 {
 	GPIO_gpio_v		= 0,		// gpiofunc use pin as GPIO.
 	GPIO_alt_v		= 1,		// gpiofunc use pin as alt.
@@ -175,7 +157,58 @@ typedef enum
 	GPIO_pcimuintn_m	= GPIO_pin13_m,
 		GPIO_pcimuintn_cfg_v	= GPIO_output_v,
 
-} GPIO_DEFS_t;
+};
+
+extern int rb500_gpio_get_value(unsigned gpio);
+extern void rb500_gpio_set_value(unsigned gpio, int value);
+extern int rb500_gpio_direction_input(unsigned gpio);
+extern int rb500_gpio_direction_output(unsigned gpio, int value);
+
+
+/* Wrappers for the arch-neutral GPIO API */
+
+static inline int gpio_request(unsigned gpio, const char *label)
+{
+	/* Not yet implemented */
+	return 0;
+}
+
+static inline void gpio_free(unsigned gpio)
+{
+	/* Not yet implemented */
+}
+
+static inline int gpio_direction_input(unsigned gpio)
+{
+	return rb500_gpio_direction_input(gpio);
+}
+
+static inline int gpio_direction_output(unsigned gpio, int value)
+{
+	return rb500_gpio_direction_output(gpio, value);
+}
+
+static inline int gpio_get_value(unsigned gpio)
+{
+	return rb500_gpio_get_value(gpio);
+}
+
+static inline void gpio_set_value(unsigned gpio, int value)
+{
+	rb500_gpio_set_value(gpio, value);
+}
+
+static inline int gpio_to_irq(unsigned gpio)
+{
+	return gpio;
+}
+
+static inline int irq_to_gpio(unsigned irq)
+{
+	return irq;
+}
 
-#endif	// __IDT_GPIO_H__
+/* For cansleep */
+#include <asm-generic/gpio.h>
 
+#endif /* _RC32434_GPIO_H_ */
diff --git a/target/linux/rb532/files/include/asm-mips/rc32434/rc32434.h b/target/linux/rb532/files/include/asm-mips/rc32434/rc32434.h
index 848fc86b3..f3e53e433 100644
--- a/target/linux/rb532/files/include/asm-mips/rc32434/rc32434.h
+++ b/target/linux/rb532/files/include/asm-mips/rc32434/rc32434.h
@@ -32,7 +32,6 @@
 #define RC32434_REG_BASE   0x18000000
 
 #define interrupt ((volatile INT_t ) INT0_VirtualAddress)
-#define gpio	  ((volatile GPIO_t) GPIO0_VirtualAddress)
 
 
 #define IDT_CLOCK_MULT 2
diff --git a/target/linux/rb532/patches/100-rb5xx_support.patch b/target/linux/rb532/patches/100-rb5xx_support.patch
index 57150236d..3bb6aaa8c 100644
--- a/target/linux/rb532/patches/100-rb5xx_support.patch
+++ b/target/linux/rb532/patches/100-rb5xx_support.patch
@@ -1,9 +1,9 @@
-diff -urN linux.old/arch/mips/Kconfig linux.dev/arch/mips/Kconfig
---- linux.old/arch/mips/Kconfig	2006-11-29 22:57:37.000000000 +0100
-+++ linux.dev/arch/mips/Kconfig	2006-12-14 04:09:50.000000000 +0100
-@@ -780,6 +780,19 @@
- 	select SYS_SUPPORTS_BIG_ENDIAN
- 	select TOSHIBA_BOARDS
+diff -urN linux-2.6.23.12/arch/mips/Kconfig linux-2.6.23.12.new/arch/mips/Kconfig
+--- linux-2.6.23.12/arch/mips/Kconfig	2007-12-18 22:55:57.000000000 +0100
++++ linux-2.6.23.12.new/arch/mips/Kconfig	2008-01-11 08:46:20.000000000 +0100
+@@ -595,6 +595,20 @@
+ 	  This enables support for the Wind River MIPS32 4KC PPMC evaluation
+ 	  board, which is based on GT64120 bridge chip.
  
 +config MIKROTIK_RB500
 +	bool "Support for RB5xx boards"
@@ -14,83 +14,84 @@ diff -urN linux.old/arch/mips/Kconfig linux.dev/arch/mips/Kconfig
 +	select SYS_SUPPORTS_32BIT_KERNEL
 +	select SWAP_IO_SPACE
 +	select DMA_NONCOHERENT
++	select GENERIC_GPIO
 +	help
-+	  Support the Mikrotik(tm) Routerboard 500 series,
-+	  such as the RB532.
++	 Support the Mikrotik(tm) Routerboard 500 series,
++	 such as the RB532.
 +
- config TOSHIBA_RBTX4927
- 	bool "Toshiba TBTX49[23]7 board"
- 	select DMA_NONCOHERENT
-@@ -1106,7 +1119,7 @@
+ endchoice
  
- config MIPS_L1_CACHE_SHIFT
- 	int
--	default "4" if MACH_DECSTATION || SNI_RM
-+	default "4" if MACH_DECSTATION || SNI_RM || MIKROTIK_RB500
- 	default "7" if SGI_IP27
+ source "arch/mips/au1000/Kconfig"
+@@ -829,6 +843,7 @@
+ 	default "4" if MACH_DECSTATION
+ 	default "7" if SGI_IP27 || SNI_RM
+ 	default "4" if PMC_MSP4200_EVAL
++	default "4" if MIKROTIK_RB500
  	default "5"
  
-diff -urN linux.old/arch/mips/Makefile linux.dev/arch/mips/Makefile
---- linux.old/arch/mips/Makefile	2006-12-14 03:13:55.000000000 +0100
-+++ linux.dev/arch/mips/Makefile	2006-12-14 04:09:50.000000000 +0100
-@@ -586,6 +586,13 @@
- load-$(CONFIG_TOSHIBA_JMR3927)	+= 0xffffffff80050000
+ config HAVE_STD_PC_SERIAL_PORT
+diff -urN linux-2.6.23.12/arch/mips/Makefile linux-2.6.23.12.new/arch/mips/Makefile
+--- linux-2.6.23.12/arch/mips/Makefile	2007-12-18 22:55:57.000000000 +0100
++++ linux-2.6.23.12.new/arch/mips/Makefile	2008-01-11 08:47:04.000000000 +0100
+@@ -300,6 +300,13 @@
+ cflags-$(CONFIG_LEMOTE_FULONG) += -Iinclude/asm-mips/mach-lemote
  
  #
 +# Routerboard 532 board
 +#
 +core-$(CONFIG_MIKROTIK_RB500)	+= arch/mips/rb500/
-+cflags-$(CONFIG_MIKROTIK_RB500) += -Iinclude/asm-mips/rc32434
++cflags-$(CONFIG_MIKROTIK_RB500)	+= -Iinclude/asm-mips/rc32434
 +load-$(CONFIG_MIKROTIK_RB500)	+= 0xffffffff80101000
 +
 +#
- # Toshiba RBTX4927 board or
- # Toshiba RBTX4937 board
+ # For all MIPS, Inc. eval boards
  #
-diff -urN linux.old/arch/mips/pci/Makefile linux.dev/arch/mips/pci/Makefile
---- linux.old/arch/mips/pci/Makefile	2006-11-29 22:57:37.000000000 +0100
-+++ linux.dev/arch/mips/pci/Makefile	2006-12-14 04:09:50.000000000 +0100
-@@ -53,3 +53,4 @@
+ core-$(CONFIG_MIPS_BOARDS_GEN)	+= arch/mips/mips-boards/generic/
+diff -urN linux-2.6.23.12/arch/mips/pci/Makefile linux-2.6.23.12.new/arch/mips/pci/Makefile
+--- linux-2.6.23.12/arch/mips/pci/Makefile	2007-12-18 22:55:57.000000000 +0100
++++ linux-2.6.23.12.new/arch/mips/pci/Makefile	2008-01-11 08:47:30.000000000 +0100
+@@ -46,3 +46,4 @@
  obj-$(CONFIG_VICTOR_MPC30X)	+= fixup-mpc30x.o
  obj-$(CONFIG_ZAO_CAPCELLA)	+= fixup-capcella.o
  obj-$(CONFIG_WR_PPMC)		+= fixup-wrppmc.o
 +obj-$(CONFIG_MIKROTIK_RB500)	+= pci-rc32434.o ops-rc32434.o fixup-rb500.o
-diff -urN linux.old/drivers/pci/Makefile linux.dev/drivers/pci/Makefile
---- linux.old/drivers/pci/Makefile	2006-11-29 22:57:37.000000000 +0100
-+++ linux.dev/drivers/pci/Makefile	2006-12-14 04:09:50.000000000 +0100
-@@ -16,6 +16,7 @@
- 
- # Build the PCI MSI interrupt support
- obj-$(CONFIG_PCI_MSI) += msi.o
+diff -urN linux-2.6.23.12/drivers/pci/Makefile linux-2.6.23.12.new/drivers/pci/Makefile
+--- linux-2.6.23.12/drivers/pci/Makefile	2007-12-18 22:55:57.000000000 +0100
++++ linux-2.6.23.12.new/drivers/pci/Makefile	2008-01-11 08:48:10.000000000 +0100
+@@ -32,6 +32,7 @@
+ obj-$(CONFIG_PPC64) += setup-bus.o
+ obj-$(CONFIG_MIPS) += setup-bus.o setup-irq.o
+ obj-$(CONFIG_X86_VISWS) += setup-irq.o
 +obj-$(CONFIG_MIKROTIK_RB500) += setup-irq.o
  
- # Build the Hypertransport interrupt support
- obj-$(CONFIG_HT_IRQ) += htirq.o
-diff -urN linux.old/include/asm-mips/bootinfo.h linux.dev/include/asm-mips/bootinfo.h
---- linux.old/include/asm-mips/bootinfo.h	2006-11-29 22:57:37.000000000 +0100
-+++ linux.dev/include/asm-mips/bootinfo.h	2006-12-14 04:09:50.000000000 +0100
-@@ -212,6 +212,10 @@
- #define MACH_GROUP_NEC_EMMA2RH 25	/* NEC EMMA2RH (was 23)		*/
- #define  MACH_NEC_MARKEINS	0	/* NEC EMMA2RH Mark-eins	*/
+ #
+ # ACPI Related PCI FW Functions
+diff -urN linux-2.6.23.12/include/asm-mips/bootinfo.h linux-2.6.23.12.new/include/asm-mips/bootinfo.h
+--- linux-2.6.23.12/include/asm-mips/bootinfo.h	2007-12-18 22:55:57.000000000 +0100
++++ linux-2.6.23.12.new/include/asm-mips/bootinfo.h	2008-01-11 08:48:48.000000000 +0100
+@@ -208,6 +208,11 @@
+ #define MACH_GROUP_WINDRIVER   28	/* Windriver boards */
+ #define MACH_WRPPMC             1
  
-+#define MACH_GROUP_MIKROTIK    26 /* Mikrotik Boards			    */
++
++#define MACH_GROUP_MIKROTIK	29 	/* Mikrotik Boards                       */
 +#define  MACH_MIKROTIK_RB532	0	/* Mikrotik RouterBoard 532 */
 +#define  MACH_MIKROTIK_RB532A	1	/* Mikrotik RouterBoard 532A */
 +
  #define CL_SIZE			COMMAND_LINE_SIZE
  
  const char *get_system_type(void);
-diff -urN linux.old/include/asm-mips/cpu.h linux.dev/include/asm-mips/cpu.h
---- linux.old/include/asm-mips/cpu.h	2006-11-29 22:57:37.000000000 +0100
-+++ linux.dev/include/asm-mips/cpu.h	2006-12-14 04:09:50.000000000 +0100
-@@ -200,7 +200,8 @@
- #define CPU_SB1A		62
- #define CPU_74K			63
+diff -urN linux-2.6.23.12/include/asm-mips/cpu.h linux-2.6.23.12.new/include/asm-mips/cpu.h
+--- linux-2.6.23.12/include/asm-mips/cpu.h	2007-12-18 22:55:57.000000000 +0100
++++ linux-2.6.23.12.new/include/asm-mips/cpu.h	2008-01-11 08:49:34.000000000 +0100
+@@ -217,8 +217,9 @@
  #define CPU_R14000		64
--#define CPU_LAST		64
-+#define CPU_RC32300		65
-+#define CPU_LAST		65
+ #define CPU_LOONGSON1           65
+ #define CPU_LOONGSON2           66
++#define CPU_RC32300            	67
+ 
+-#define CPU_LAST		66
++#define CPU_LAST		67
  
  /*
   * ISA Level encodings
-
diff --git a/target/linux/rb532/patches/120-cf.patch b/target/linux/rb532/patches/120-cf.patch
index 19395ef66..a02ebf756 100644
--- a/target/linux/rb532/patches/120-cf.patch
+++ b/target/linux/rb532/patches/120-cf.patch
@@ -1,26 +1,29 @@
-diff -urN linux.old/drivers/block/Kconfig linux.dev/drivers/block/Kconfig
---- linux.old/drivers/block/Kconfig	2006-10-26 02:43:39.000000000 +0200
-+++ linux.dev/drivers/block/Kconfig	2006-10-26 00:11:14.000000000 +0200
-@@ -456,4 +456,12 @@
- 	This driver provides Support for ATA over Ethernet block
- 	devices like the Coraid EtherDrive (R) Storage Blade.
+diff -urN linux-2.6.23.12/drivers/block/Kconfig linux-2.6.23.12.new/drivers/block/Kconfig
+--- linux-2.6.23.12/drivers/block/Kconfig	2007-12-18 22:55:57.000000000 +0100
++++ linux-2.6.23.12.new/drivers/block/Kconfig	2008-01-11 08:53:32.000000000 +0100
+@@ -426,6 +426,14 @@
+ 	  Support for virtual disk devices as a client under Sun
+ 	  Logical Domains.
  
 +config BLK_DEV_CF_MIPS
 +	bool "CF slot of RB532 board"
 +	depends on MIKROTIK_RB500
 +	default y
 +	help
-+	  The Routerboard 532 has a CF slot on it. Enable the special block
-+	  device driver for it.
++	 The Routerboard 532 has a CF slot on it. Enable the special block
++	 device driver for it.
 +
- endmenu
-diff -urN linux.old/drivers/block/Makefile linux.dev/drivers/block/Makefile
---- linux.old/drivers/block/Makefile	2006-06-18 03:49:35.000000000 +0200
-+++ linux.dev/drivers/block/Makefile	2006-10-26 02:44:10.000000000 +0200
-@@ -29,4 +29,5 @@
- obj-$(CONFIG_VIODASD)		+= viodasd.o
- obj-$(CONFIG_BLK_DEV_SX8)	+= sx8.o
- obj-$(CONFIG_BLK_DEV_UB)	+= ub.o
+ source "drivers/s390/block/Kconfig"
+ 
+ config XILINX_SYSACE
+diff -urN linux-2.6.23.12/drivers/block/Makefile linux-2.6.23.12.new/drivers/block/Makefile
+--- linux-2.6.23.12/drivers/block/Makefile	2007-12-18 22:55:57.000000000 +0100
++++ linux-2.6.23.12.new/drivers/block/Makefile	2008-01-11 08:54:04.000000000 +0100
+@@ -21,6 +21,7 @@
+ obj-$(CONFIG_XILINX_SYSACE)	+= xsysace.o
+ obj-$(CONFIG_CDROM_PKTCDVD)	+= pktcdvd.o
+ obj-$(CONFIG_SUNVDC)		+= sunvdc.o
 +obj-$(CONFIG_BLK_DEV_CF_MIPS)	+= rb500/
  
-
+ obj-$(CONFIG_BLK_DEV_UMEM)	+= umem.o
+ obj-$(CONFIG_BLK_DEV_NBD)	+= nbd.o
diff --git a/target/linux/rb532/patches/140-cmdline_hack.patch b/target/linux/rb532/patches/140-cmdline_hack.patch
index 4425af7de..f97f96eb9 100644
--- a/target/linux/rb532/patches/140-cmdline_hack.patch
+++ b/target/linux/rb532/patches/140-cmdline_hack.patch
@@ -1,14 +1,14 @@
-Index: linux-2.6.21.1/arch/mips/kernel/head.S
-===================================================================
---- linux-2.6.21.1.orig/arch/mips/kernel/head.S	2007-06-07 01:26:11.862575128 +0200
-+++ linux-2.6.21.1/arch/mips/kernel/head.S	2007-06-07 01:31:06.499783464 +0200
-@@ -133,6 +133,9 @@
+diff -urN linux-2.6.23.12/arch/mips/kernel/head.S linux-2.6.23.12.new/arch/mips/kernel/head.S
+--- linux-2.6.23.12/arch/mips/kernel/head.S	2008-01-11 11:27:08.000000000 +0100
++++ linux-2.6.23.12.new/arch/mips/kernel/head.S	2008-01-11 11:27:35.000000000 +0100
+@@ -132,6 +132,10 @@
+ 
  	j kernel_entry
  	nop
- 
++
 +EXPORT(_image_cmdline)
-+ 	.ascii "CMDLINE:"
++       .ascii "CMDLINE:"
 +
+ #ifndef CONFIG_NO_EXCEPT_FILL
  	/*
  	 * Reserved space for exception handlers.
- 	 * Necessary for machines which link their kernels at KSEG0.
diff --git a/target/linux/rb532/patches/240-via_rhine_performance.patch b/target/linux/rb532/patches/240-via_rhine_performance.patch
index e7cdf8ae2..90d365759 100644
--- a/target/linux/rb532/patches/240-via_rhine_performance.patch
+++ b/target/linux/rb532/patches/240-via_rhine_performance.patch
@@ -1,27 +1,31 @@
-diff -ur linux.old/drivers/net/via-rhine.c linux.dev/drivers/net/via-rhine.c
---- linux.old/drivers/net/via-rhine.c	2006-11-29 22:57:37.000000000 +0100
-+++ linux.dev/drivers/net/via-rhine.c	2006-12-14 03:39:01.000000000 +0100
-@@ -33,6 +33,7 @@
+--- linux-2.6.23.12/drivers/net/via-rhine.c	2007-12-18 22:55:57.000000000 +0100
++++ linux-2.6.23.12.new/drivers/net/via-rhine.c	2008-01-11 08:58:58.000000000 +0100
+@@ -33,6 +33,8 @@
  #define DRV_VERSION	"1.4.3"
  #define DRV_RELDATE	"2007-03-06"
  
 +#define PKT_ALIGN 1
++
  
  /* A few user-configurable values.
     These may be modified when a driver module is loaded. */
-@@ -40,9 +41,11 @@
+@@ -40,6 +42,7 @@
  static int debug = 1;	/* 1 normal messages, 0 quiet .. 7 verbose. */
  static int max_interrupt_work = 20;
  
 +#ifndef PKT_ALIGN
  /* Set the copy breakpoint for the copy-only-tiny-frames scheme.
     Setting to > 1518 effectively disables this feature. */
+ #if defined(__alpha__) || defined(__arm__) || defined(__hppa__) \
+@@ -49,6 +52,7 @@
+ #else
  static int rx_copybreak;
-+#endif
+ #endif
++#endif /* PKT_ALIGN */
  
  /* Work-around for broken BIOSes: they are unable to get the chip back out of
     power state D3 so PXE booting fails. bootparam(7): via-rhine.avoid_D3=1 */
-@@ -105,6 +108,7 @@
+@@ -111,6 +115,7 @@
  #include <asm/io.h>
  #include <asm/irq.h>
  #include <asm/uaccess.h>
@@ -29,7 +33,7 @@ diff -ur linux.old/drivers/net/via-rhine.c linux.dev/drivers/net/via-rhine.c
  #include <linux/dmi.h>
  
  /* These identify the driver base version and may not be removed. */
-@@ -124,12 +128,14 @@
+@@ -130,12 +135,14 @@
  
  module_param(max_interrupt_work, int, 0);
  module_param(debug, int, 0);
@@ -46,7 +50,7 @@ diff -ur linux.old/drivers/net/via-rhine.c linux.dev/drivers/net/via-rhine.c
  
  /*
  		Theory of Operation
-@@ -924,7 +930,7 @@
+@@ -927,7 +934,7 @@
  
  	/* Fill in the Rx buffers.  Handle allocation failure gracefully. */
  	for (i = 0; i < RX_RING_SIZE; i++) {
@@ -55,17 +59,18 @@ diff -ur linux.old/drivers/net/via-rhine.c linux.dev/drivers/net/via-rhine.c
  		rp->rx_skbuff[i] = skb;
  		if (skb == NULL)
  			break;
-@@ -1482,6 +1488,9 @@
+@@ -1484,7 +1491,9 @@
+ 			struct sk_buff *skb;
  			/* Length should omit the CRC */
  			int pkt_len = data_size - 4;
- 
+-
 +#ifdef PKT_ALIGN
 +			int i;
 +#else
  			/* Check if the packet is long enough to accept without
  			   copying to a minimally-sized skbuff. */
  			if (pkt_len < rx_copybreak &&
-@@ -1501,7 +1510,9 @@
+@@ -1503,7 +1512,9 @@
  							       rp->rx_skbuff_dma[entry],
  							       rp->rx_buf_sz,
  							       PCI_DMA_FROMDEVICE);
@@ -76,19 +81,18 @@ diff -ur linux.old/drivers/net/via-rhine.c linux.dev/drivers/net/via-rhine.c
  				skb = rp->rx_skbuff[entry];
  				if (skb == NULL) {
  					printk(KERN_ERR "%s: Inconsistent Rx "
-@@ -1515,6 +1526,14 @@
+@@ -1517,6 +1528,14 @@
  						 rp->rx_skbuff_dma[entry],
  						 rp->rx_buf_sz,
  						 PCI_DMA_FROMDEVICE);
-+#ifdef PKT_ALIGN		
++#ifdef PKT_ALIGN
 +				/* align the data to the ip header - should be faster than copying the entire packet */
 +				for (i = pkt_len - (pkt_len % 4); i >= 0; i -= 4) {
 +					put_unaligned(*((u32 *) (skb->data + i)), (u32 *) (skb->data + i + 2));
 +				}
 +				skb->data += 2;
 +				skb->tail += 2;
-+#endif	
++#endif
  			}
  			skb->protocol = eth_type_trans(skb, dev);
  #ifdef CONFIG_VIA_RHINE_NAPI
-
diff --git a/target/linux/rb532/patches/510-rb500_led.patch b/target/linux/rb532/patches/510-rb500_led.patch
index 172682d49..a218f914d 100644
--- a/target/linux/rb532/patches/510-rb500_led.patch
+++ b/target/linux/rb532/patches/510-rb500_led.patch
@@ -1,22 +1,9 @@
-Index: linux-2.6.21.1/drivers/leds/Makefile
-===================================================================
---- linux-2.6.21.1.orig/drivers/leds/Makefile    2007-07-10 20:56:30.000000000 +0200
-+++ linux-2.6.21.1/drivers/leds/Makefile       2007-07-19 16:43:07.000000000 +0200
-@@ -16,6 +16,7 @@
- obj-$(CONFIG_LEDS_WRAP)			+= leds-wrap.o
- obj-$(CONFIG_LEDS_H1940)		+= leds-h1940.o
- obj-$(CONFIG_LEDS_COBALT)		+= leds-cobalt.o
-+obj-$(CONFIG_LEDS_RB500)                += leds-rb500.o
- 
- # LED Triggers
- obj-$(CONFIG_LEDS_TRIGGER_TIMER)	+= ledtrig-timer.o
-Index: linux-2.6.21.1/drivers/leds/Kconfig
-===================================================================
---- linux-2.6.21.1.orig/drivers/leds/Kconfig     2007-07-10 20:56:30.000000000 +0200
-+++ linux-2.6.21.1/drivers/leds/Kconfig 2007-07-19 16:42:55.000000000 +0200
-@@ -95,6 +95,12 @@
- 	help
- 	  This option enables support for the front LED on Cobalt Server
+diff -urN linux-2.6.23.12/drivers/leds/Kconfig linux-2.6.23.12.new/drivers/leds/Kconfig
+--- linux-2.6.23.12/drivers/leds/Kconfig	2007-12-18 22:55:57.000000000 +0100
++++ linux-2.6.23.12.new/drivers/leds/Kconfig	2008-01-11 09:01:19.000000000 +0100
+@@ -101,6 +101,12 @@
+ 	  outputs. To be useful the particular board must have LEDs
+ 	  and they must be connected to the GPIO lines.
  
 +config LEDS_RB500
 +	tristate "LED Support for RB5xx boards"
@@ -27,3 +14,14 @@ Index: linux-2.6.21.1/drivers/leds/Kconfig
  comment "LED Triggers"
  
  config LEDS_TRIGGERS
+diff -urN linux-2.6.23.12/drivers/leds/Makefile linux-2.6.23.12.new/drivers/leds/Makefile
+--- linux-2.6.23.12/drivers/leds/Makefile	2007-12-18 22:55:57.000000000 +0100
++++ linux-2.6.23.12.new/drivers/leds/Makefile	2008-01-11 09:00:49.000000000 +0100
+@@ -17,6 +17,7 @@
+ obj-$(CONFIG_LEDS_H1940)		+= leds-h1940.o
+ obj-$(CONFIG_LEDS_COBALT)		+= leds-cobalt.o
+ obj-$(CONFIG_LEDS_GPIO)			+= leds-gpio.o
++obj-$(CONFIG_LEDS_RB500)		+= leds-rb500.o
+ 
+ # LED Triggers
+ obj-$(CONFIG_LEDS_TRIGGER_TIMER)	+= ledtrig-timer.o