[au1000] update to 2.6.28

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@15661 3c298f89-4303-0410-b956-a3cf2f4a3e73

9 files changed, 493 insertions, 42 deletions

diff --git a/target/linux/au1000/Makefile b/target/linux/au1000/Makefile
index 8781f76850..9800b793cf 100644
--- a/target/linux/au1000/Makefile
+++ b/target/linux/au1000/Makefile
@@ -12,7 +12,7 @@ BOARDNAME:=RMI/AMD AU1x00
 FEATURES:=jffs2 usb pci
 SUBTARGETS=au1500 au1550
 
-LINUX_VERSION:=2.6.27.22
+LINUX_VERSION:=2.6.28.10
 
 include $(INCLUDE_DIR)/target.mk
 DEFAULT_PACKAGES += hostapd-mini yamonenv
diff --git a/target/linux/au1000/au1500/config-2.6.27 b/target/linux/au1000/au1500/config-default
index 24e6856e07..5a27eda41f 100644
--- a/target/linux/au1000/au1500/config-2.6.27
+++ b/target/linux/au1000/au1500/config-default
@@ -5,15 +5,14 @@ CONFIG_64BIT_PHYS_ADDR=y
 # CONFIG_ARCH_HAS_ILOG2_U32 is not set
 # CONFIG_ARCH_HAS_ILOG2_U64 is not set
 CONFIG_ARCH_POPULATES_NODE_MAP=y
+CONFIG_ARCH_REQUIRE_GPIOLIB=y
 # CONFIG_ARCH_SUPPORTS_MSI is not set
 CONFIG_ARCH_SUPPORTS_OPROFILE=y
 CONFIG_ARCH_SUSPEND_POSSIBLE=y
-# CONFIG_ATM is not set
 CONFIG_BASE_SMALL=0
 # CONFIG_BCM47XX is not set
 CONFIG_BITREVERSE=y
 CONFIG_CEVT_R4K=y
-CONFIG_CHR_DEV_SG=m
 CONFIG_CLASSIC_RCU=y
 CONFIG_CMDLINE="root=/dev/mtdblock0 rootfstype=squashfs,jffs2 init=/etc/preinit"
 # CONFIG_CPU_BIG_ENDIAN is not set
@@ -35,6 +34,7 @@ CONFIG_CPU_MIPSR1=y
 # CONFIG_CPU_R4X00 is not set
 # CONFIG_CPU_R5000 is not set
 # CONFIG_CPU_R5432 is not set
+# CONFIG_CPU_R5500 is not set
 # CONFIG_CPU_R6000 is not set
 # CONFIG_CPU_R8000 is not set
 # CONFIG_CPU_RM7000 is not set
@@ -55,30 +55,24 @@ CONFIG_DMA_NEED_PCI_MAP_STATE=y
 CONFIG_DMA_NONCOHERENT=y
 CONFIG_DUMMY=m
 CONFIG_ELF_CORE=y
-CONFIG_FS_POSIX_ACL=y
+# CONFIG_FREEZER is not set
 CONFIG_GENERIC_CLOCKEVENTS=y
 CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
 CONFIG_GENERIC_CMOS_UPDATE=y
-# CONFIG_GENERIC_FIND_FIRST_BIT is not set
 CONFIG_GENERIC_FIND_NEXT_BIT=y
+CONFIG_GENERIC_GPIO=y
 # CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ is not set
+CONFIG_GPIOLIB=y
 # CONFIG_HAMRADIO is not set
+CONFIG_HARDWARE_WATCHPOINTS=y
 CONFIG_HAS_DMA=y
 CONFIG_HAS_IOMEM=y
 CONFIG_HAS_IOPORT=y
+# CONFIG_HAVE_AOUT is not set
 CONFIG_HAVE_ARCH_KGDB=y
-# CONFIG_HAVE_ARCH_TRACEHOOK is not set
-# CONFIG_HAVE_CLK is not set
-# CONFIG_HAVE_DMA_ATTRS is not set
-# CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS is not set
 # CONFIG_HAVE_GENERIC_DMA_COHERENT is not set
 CONFIG_HAVE_IDE=y
-# CONFIG_HAVE_IOREMAP_PROT is not set
-# CONFIG_HAVE_KPROBES is not set
-# CONFIG_HAVE_KRETPROBES is not set
 CONFIG_HAVE_OPROFILE=y
-CONFIG_HID=m
-CONFIG_HID_SUPPORT=y
 CONFIG_HW_HAS_PCI=y
 CONFIG_HW_RANDOM=y
 CONFIG_HZ=250
@@ -90,39 +84,25 @@ CONFIG_I2C_ALGOPCA=m
 CONFIG_I2C_ALGOPCF=m
 CONFIG_I2C_BOARDINFO=y
 CONFIG_I2C_CHARDEV=m
+# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set
+# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set
+# CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set
 # CONFIG_IDE is not set
 CONFIG_INITRAMFS_SOURCE=""
 CONFIG_IRQ_CPU=y
 CONFIG_KEXEC=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_KMOD=y
+# CONFIG_LEDS_GPIO is not set
 # CONFIG_LEDS_TRIGGERS is not set
 # CONFIG_LEMOTE_FULONG is not set
 CONFIG_MACH_ALCHEMY=y
 # CONFIG_MACH_DECSTATION is not set
+# CONFIG_MACH_EMMA is not set
 # CONFIG_MACH_JAZZ is not set
 # CONFIG_MACH_TX39XX is not set
 # CONFIG_MACH_TX49XX is not set
 # CONFIG_MACH_VR41XX is not set
 CONFIG_MAGIC_SYSRQ=y
-# CONFIG_MDIO_BITBANG is not set
-CONFIG_MEDIA_TUNER=m
-CONFIG_MEDIA_TUNER_MT20XX=m
-CONFIG_MEDIA_TUNER_SIMPLE=m
-CONFIG_MEDIA_TUNER_TDA8290=m
-CONFIG_MEDIA_TUNER_TDA9887=m
-CONFIG_MEDIA_TUNER_TEA5761=m
-CONFIG_MEDIA_TUNER_TEA5767=m
-CONFIG_MEDIA_TUNER_XC2028=m
-CONFIG_MEDIA_TUNER_XC5000=m
-# CONFIG_MFD_CORE is not set
-# CONFIG_MFD_TMIO is not set
 # CONFIG_MIKROTIK_RB532 is not set
 CONFIG_MIPS=y
 CONFIG_MIPS_AU1X00_ENET=y
@@ -158,8 +138,10 @@ CONFIG_MTD_PHYSMAP_BANKWIDTH=2
 CONFIG_MTD_PHYSMAP_LEN=0
 CONFIG_MTD_PHYSMAP_START=0x8000000
 # CONFIG_NATSEMI is not set
-# CONFIG_NET_SCH_ESFQ_NFCT is not set
+# CONFIG_NF_DEFRAG_IPV4 is not set
 # CONFIG_NO_IOPORT is not set
+# CONFIG_NXP_STB220 is not set
+# CONFIG_NXP_STB225 is not set
 CONFIG_PAGEFLAGS_EXTENDED=y
 # CONFIG_PAGE_SIZE_16KB is not set
 CONFIG_PAGE_SIZE_4KB=y
@@ -169,18 +151,18 @@ CONFIG_PCI=y
 CONFIG_PCI_DOMAINS=y
 CONFIG_PCSPKR_PLATFORM=y
 CONFIG_PHYLIB=y
+# CONFIG_PHYS_ADDR_T_64BIT 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_PPP_MPPE is not set
 # CONFIG_PREVENT_FIRMWARE_BUILD is not set
 # CONFIG_PROBE_INITRD_HEADER is not set
+# CONFIG_PROM_EMU is not set
 # CONFIG_R6040 is not set
 CONFIG_RESOURCES_64BIT=y
 CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y
-CONFIG_SCSI_CONSTANTS=y
-# CONFIG_SCSI_PROC_FS is not set
+# CONFIG_SCSI_DMA is not set
 CONFIG_SERIAL_8250_AU1X00=y
 # CONFIG_SERIAL_8250_EXTENDED is not set
 CONFIG_SERIAL_8250_NR_UARTS=4
@@ -209,14 +191,9 @@ CONFIG_SYS_SUPPORTS_ARBIT_HZ=y
 CONFIG_SYS_SUPPORTS_LITTLE_ENDIAN=y
 # CONFIG_TC35815 is not set
 CONFIG_TICK_ONESHOT=y
-# CONFIG_TMD_HERMES is not set
 CONFIG_TRAD_SIGNALS=y
 CONFIG_USB_SUPPORT=y
 # CONFIG_VGASTATE is not set
 # CONFIG_VIA_RHINE is not set
-CONFIG_VIDEO_CAPTURE_DRIVERS=y
-CONFIG_VIDEO_MEDIA=m
-CONFIG_VIDEO_V4L2=m
-CONFIG_VIDEO_V4L2_COMMON=m
 CONFIG_WDT_MTX1=y
 CONFIG_ZONE_DMA_FLAG=0
diff --git a/target/linux/au1000/au1550/config-2.6.27 b/target/linux/au1000/au1550/config-default
index 6dc238c395..6dc238c395 100644
--- a/target/linux/au1000/au1550/config-2.6.27
+++ b/target/linux/au1000/au1550/config-default
diff --git a/target/linux/au1000/patches-2.6.28/001-mtx1_cmdline.patch b/target/linux/au1000/patches-2.6.28/001-mtx1_cmdline.patch
new file mode 100644
index 0000000000..a45832765c
--- /dev/null
+++ b/target/linux/au1000/patches-2.6.28/001-mtx1_cmdline.patch
@@ -0,0 +1,11 @@
+--- a/arch/mips/alchemy/mtx-1/init.c
++++ b/arch/mips/alchemy/mtx-1/init.c
+@@ -49,7 +49,7 @@ void __init prom_init(void)
+ 	prom_argv = (char **)fw_arg1;
+ 	prom_envp = (char **)fw_arg2;
+ 
+-	prom_init_cmdline();
++	strcpy(arcs_cmdline, CONFIG_CMDLINE);
+ 
+ 	memsize_str = prom_getenv("memsize");
+ 	if (!memsize_str)
diff --git a/target/linux/au1000/patches-2.6.28/002-openwrt_rootfs.patch b/target/linux/au1000/patches-2.6.28/002-openwrt_rootfs.patch
new file mode 100644
index 0000000000..e1056e93d9
--- /dev/null
+++ b/target/linux/au1000/patches-2.6.28/002-openwrt_rootfs.patch
@@ -0,0 +1,11 @@
+--- a/arch/mips/alchemy/mtx-1/platform.c
++++ b/arch/mips/alchemy/mtx-1/platform.c
+@@ -90,7 +90,7 @@ static struct platform_device mtx1_gpio_
+ 
+ static struct mtd_partition mtx1_mtd_partitions[] = {
+ 	{
+-		.name	= "filesystem",
++		.name	= "rootfs",
+ 		.size	= 0x01C00000,
+ 		.offset	= 0,
+ 	},
diff --git a/target/linux/au1000/patches-2.6.28/003-au1000_eth_ioctl.patch b/target/linux/au1000/patches-2.6.28/003-au1000_eth_ioctl.patch
new file mode 100644
index 0000000000..4b152f3aad
--- /dev/null
+++ b/target/linux/au1000/patches-2.6.28/003-au1000_eth_ioctl.patch
@@ -0,0 +1,15 @@
+--- a/drivers/net/au1000_eth.c
++++ b/drivers/net/au1000_eth.c
+@@ -1293,9 +1293,12 @@ static void set_rx_mode(struct net_devic
+ 	}
+ }
+ 
++#define AU1000_KNOWN_PHY_IOCTLS 		(SIOCGMIIPHY & 0xfff0)
+ static int au1000_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
+ {
+ 	struct au1000_private *aup = (struct au1000_private *)dev->priv;
++	if((cmd & AU1000_KNOWN_PHY_IOCTLS) != AU1000_KNOWN_PHY_IOCTLS)
++		return -EINVAL;
+ 
+ 	if (!netif_running(dev)) return -EINVAL;
+ 
diff --git a/target/linux/au1000/patches-2.6.28/004-state_led_phy_fix.patch b/target/linux/au1000/patches-2.6.28/004-state_led_phy_fix.patch
new file mode 100644
index 0000000000..e681970c5b
--- /dev/null
+++ b/target/linux/au1000/patches-2.6.28/004-state_led_phy_fix.patch
@@ -0,0 +1,31 @@
+--- a/drivers/net/au1000_eth.c
++++ b/drivers/net/au1000_eth.c
+@@ -184,6 +184,15 @@ struct au1000_private *au_macs[NUM_ETH_I
+ #  undef AU1XXX_PHY1_IRQ
+ #endif
+ 
++#if defined(CONFIG_MIPS_MTX1)
++/*
++ * 4G MeshCube (MTX-1) board
++ * PHY is at address 31 on MAC0
++ * autodetect fails if not searched for highest address !
++ */
++# define AU1XXX_PHY_SEARCH_HIGHEST_ADDR
++#endif
++
+ #if defined(AU1XXX_PHY0_BUSID) && (AU1XXX_PHY0_BUSID > 0)
+ # error MAC0-associated PHY attached 2nd MACs MII bus not supported yet
+ #endif
+@@ -380,6 +389,12 @@ static int mii_probe (struct net_device 
+ 	aup->old_duplex = -1;
+ 	aup->phy_dev = phydev;
+ 
++#ifdef CONFIG_MIPS_MTX1
++	/* set up ethernet jack LEDs on the 4G MeshCube (MTX-1 board) */
++	printk(KERN_INFO "MTX-1 PHY: updating LED settings\n");
++	phy_write(phydev, 0x11, 0xff80);
++#endif
++
+ 	printk(KERN_INFO "%s: attached PHY driver [%s] "
+ 	       "(mii_bus:phy_addr=%s, irq=%d)\n",
+ 	       dev->name, phydev->drv->name, phydev->dev.bus_id, phydev->irq);
diff --git a/target/linux/au1000/patches-2.6.28/006-missing_string_header.patch b/target/linux/au1000/patches-2.6.28/006-missing_string_header.patch
new file mode 100644
index 0000000000..8aba202521
--- /dev/null
+++ b/target/linux/au1000/patches-2.6.28/006-missing_string_header.patch
@@ -0,0 +1,10 @@
+--- a/arch/mips/alchemy/mtx-1/init.c
++++ b/arch/mips/alchemy/mtx-1/init.c
+@@ -32,6 +32,7 @@
+ #include <linux/init.h>
+ 
+ #include <asm/bootinfo.h>
++#include <asm/string.h>
+ 
+ #include <prom.h>
+ 
diff --git a/target/linux/au1000/patches-2.6.28/007-gpiolib.patch b/target/linux/au1000/patches-2.6.28/007-gpiolib.patch
new file mode 100644
index 0000000000..bd4b5635a8
--- /dev/null
+++ b/target/linux/au1000/patches-2.6.28/007-gpiolib.patch
@@ -0,0 +1,396 @@
+--- a/arch/mips/alchemy/Kconfig
++++ b/arch/mips/alchemy/Kconfig
+@@ -134,3 +134,4 @@ config SOC_AU1X00
+ 	select SYS_HAS_CPU_MIPS32_R1
+ 	select SYS_SUPPORTS_32BIT_KERNEL
+ 	select SYS_SUPPORTS_APM_EMULATION
++	select ARCH_REQUIRE_GPIOLIB
+--- a/arch/mips/alchemy/common/gpio.c
++++ b/arch/mips/alchemy/common/gpio.c
+@@ -1,5 +1,5 @@
+ /*
+- *  Copyright (C) 2007, OpenWrt.org, Florian Fainelli <florian@openwrt.org>
++ *  Copyright (C) 2007-2008, OpenWrt.org, Florian Fainelli <florian@openwrt.org>
+  *  	Architecture specific GPIO support
+  *
+  *  This program is free software; you can redistribute	 it and/or modify it
+@@ -27,122 +27,222 @@
+  * 	others have a second one : GPIO2
+  */
+ 
++#include <linux/kernel.h>
+ #include <linux/module.h>
++#include <linux/types.h>
++#include <linux/platform_device.h>
++#include <linux/gpio.h>
+ 
+ #include <asm/mach-au1x00/au1000.h>
+-#include <asm/gpio.h>
++#include <asm/mach-au1x00/gpio.h>
+ 
+-#define gpio1 sys
+-#if !defined(CONFIG_SOC_AU1000)
++struct au1000_gpio_chip {
++	struct gpio_chip	chip;
++	void __iomem		*regbase;
++};
+ 
+-static struct au1x00_gpio2 *const gpio2 = (struct au1x00_gpio2 *) GPIO2_BASE;
++#if !defined(CONFIG_SOC_AU1000)
+ #define GPIO2_OUTPUT_ENABLE_MASK 	0x00010000
+ 
+-static int au1xxx_gpio2_read(unsigned gpio)
++/*
++ * Return GPIO bank 2 level
++ */
++static int au1000_gpio2_get(struct gpio_chip *chip, unsigned offset)
+ {
+-	gpio -= AU1XXX_GPIO_BASE;
+-	return ((gpio2->pinstate >> gpio) & 0x01);
++	u32 mask = 1 << offset;
++	struct au1000_gpio_chip	*gpch;
++	
++	gpch = container_of(chip, struct au1000_gpio_chip, chip);
++	return readl(gpch->regbase + AU1000_GPIO2_ST) & mask;
+ }
+ 
+-static void au1xxx_gpio2_write(unsigned gpio, int value)
++/*
++ * Set output GPIO bank 2 level
++ */
++static void au1000_gpio2_set(struct gpio_chip *chip,
++				unsigned offset, int value)
+ {
+-	gpio -= AU1XXX_GPIO_BASE;
+-
+-	gpio2->output = (GPIO2_OUTPUT_ENABLE_MASK << gpio) | ((!!value) << gpio);
++	u32			mask = (!!value) << offset;
++	struct au1000_gpio_chip	*gpch;
++	unsigned long		flags;
++
++	gpch = container_of(chip, struct au1000_gpio_chip, chip);
++	
++	local_irq_save(flags);
++	writel((GPIO2_OUTPUT_ENABLE_MASK << offset) | mask,
++				gpch->regbase + AU1000_GPIO2_OUT);
++	local_irq_restore(flags);
+ }
+ 
+-static int au1xxx_gpio2_direction_input(unsigned gpio)
++/*
++ * Set GPIO bank 2 direction to input
++ */
++static int au1000_gpio2_direction_input(struct gpio_chip *chip, unsigned offset)
+ {
+-	gpio -= AU1XXX_GPIO_BASE;
+-	gpio2->dir &= ~(0x01 << gpio);
++	unsigned long 		flags;
++	u32			mask = 1 << offset;
++	u32			value;
++	struct au1000_gpio_chip	*gpch;
++	void __iomem		*gpdr;
++
++	gpch = container_of(chip, struct au1000_gpio_chip, chip);
++	gpdr = gpch->regbase + AU1000_GPIO2_DIR;
++
++	local_irq_save(flags);
++	value = readl(gpdr);
++	value &= ~mask;
++	writel(value, gpdr);
++	local_irq_restore(flags);
++
+ 	return 0;
+ }
+ 
+-static int au1xxx_gpio2_direction_output(unsigned gpio, int value)
++/*
++ * Set GPIO bank2 direction to output
++ */
++static int au1000_gpio2_direction_output(struct gpio_chip *chip,
++					unsigned offset, int value)
+ {
+-	gpio -= AU1XXX_GPIO_BASE;
+-	gpio2->dir |= 0x01 << gpio;
+-	gpio2->output = (GPIO2_OUTPUT_ENABLE_MASK << gpio) | ((!!value) << gpio);
++	unsigned long		flags;
++	u32			mask = 1 << offset;
++	u32			tmp;
++	struct au1000_gpio_chip	*gpch;
++	void __iomem		*gpdr;
++	
++	gpch = container_of(chip, struct au1000_gpio_chip, chip);
++	gpdr = gpch->regbase + AU1000_GPIO2_DIR;
++	
++	local_irq_save(flags);
++	tmp = readl(gpdr);
++	tmp |= mask;
++	writel(tmp, gpdr);
++	mask = (!!value) << offset;
++        writel((GPIO2_OUTPUT_ENABLE_MASK << offset) | mask,
++	                                gpch->regbase + AU1000_GPIO2_OUT);
++	local_irq_restore(flags);
++
+ 	return 0;
+ }
+-
+ #endif /* !defined(CONFIG_SOC_AU1000) */
+ 
+-static int au1xxx_gpio1_read(unsigned gpio)
++/*
++ * Return GPIO bank 2 level
++ */
++static int au1000_gpio1_get(struct gpio_chip *chip, unsigned offset)
+ {
+-	return (gpio1->pinstaterd >> gpio) & 0x01;
++	u32			mask = 1 << offset;
++	struct au1000_gpio_chip	*gpch;
++
++	gpch = container_of(chip, struct au1000_gpio_chip, chip);
++	return readl(gpch->regbase + 0x0110) & mask;
+ }
+ 
+-static void au1xxx_gpio1_write(unsigned gpio, int value)
++/*
++ * Set GPIO bank 1 level
++ */
++static void au1000_gpio1_set(struct gpio_chip *chip,
++				unsigned offset, int value)
+ {
++	unsigned long		flags;
++	u32			mask = 1 << offset;
++	struct au1000_gpio_chip	*gpch;
++
++	gpch = container_of(chip, struct au1000_gpio_chip, chip);
++	
++	local_irq_save(flags);
+ 	if (value)
+-		gpio1->outputset = (0x01 << gpio);
++		writel(mask, gpch->regbase + 0x0108);	
+ 	else
+-		/* Output a zero */
+-		gpio1->outputclr = (0x01 << gpio);
++		writel(mask, gpch->regbase + 0x010C);
++	local_irq_restore(flags);
+ }
+ 
+-static int au1xxx_gpio1_direction_input(unsigned gpio)
++/*
++ * Set GPIO bank 1 direction to input
++ */
++static int au1000_gpio1_direction_input(struct gpio_chip *chip, unsigned offset)
+ {
+-	gpio1->pininputen = (0x01 << gpio);
+-	return 0;
+-}
++	unsigned long		flags;
++	u32			mask = 1 << offset;
++	u32			value;
++	struct au1000_gpio_chip	*gpch;
++	void __iomem		*gpdr;
++
++	gpch = container_of(chip, struct au1000_gpio_chip, chip);
++	gpdr = gpch->regbase + 0x0110;
++	
++	local_irq_save(flags);
++	value = readl(gpdr);
++	value |= mask;
++	writel(mask, gpdr);
++	local_irq_restore(flags);
+ 
+-static int au1xxx_gpio1_direction_output(unsigned gpio, int value)
+-{
+-	gpio1->trioutclr = (0x01 & gpio);
+-	au1xxx_gpio1_write(gpio, value);
+ 	return 0;
+ }
+ 
+-int au1xxx_gpio_get_value(unsigned gpio)
++/*
++ * Set GPIO bank 1 direction to output
++ */
++static int au1000_gpio1_direction_output(struct gpio_chip *chip,
++					unsigned offset, int value)
+ {
+-	if (gpio >= AU1XXX_GPIO_BASE)
+-#if defined(CONFIG_SOC_AU1000)
+-		return 0;
+-#else
+-		return au1xxx_gpio2_read(gpio);
+-#endif
++	unsigned long		flags;
++	u32			mask = 1 << offset;
++	u32			tmp;
++	struct au1000_gpio_chip	*gpch;
++	void __iomem 		*gpdr;
++
++	gpch = container_of(chip, struct au1000_gpio_chip, chip);
++	gpdr = gpch->regbase + 0x0100;
++	
++	local_irq_save(flags);
++	tmp = readl(gpdr);
++	writel(tmp, gpdr);
++	if (value)
++		writel(mask, gpch->regbase + 0x0108);
+ 	else
+-		return au1xxx_gpio1_read(gpio);
+-}
+-EXPORT_SYMBOL(au1xxx_gpio_get_value);
++		writel(mask, gpch->regbase + 0x0108);
++	local_irq_restore(flags);
+ 
+-void au1xxx_gpio_set_value(unsigned gpio, int value)
+-{
+-	if (gpio >= AU1XXX_GPIO_BASE)
+-#if defined(CONFIG_SOC_AU1000)
+-		;
+-#else
+-		au1xxx_gpio2_write(gpio, value);
+-#endif
+-	else
+-		au1xxx_gpio1_write(gpio, value);
++	return 0;
+ }
+-EXPORT_SYMBOL(au1xxx_gpio_set_value);
+ 
+-int au1xxx_gpio_direction_input(unsigned gpio)
+-{
+-	if (gpio >= AU1XXX_GPIO_BASE)
+-#if defined(CONFIG_SOC_AU1000)
+-		return -ENODEV;
+-#else
+-		return au1xxx_gpio2_direction_input(gpio);
++struct au1000_gpio_chip au1000_gpio_chip[] = {
++	[0] = {
++		.regbase			= (void __iomem *)SYS_BASE,
++		.chip = {
++			.label			= "au1000-gpio1",
++			.direction_input	= au1000_gpio1_direction_input,
++			.direction_output	= au1000_gpio1_direction_output,
++			.get			= au1000_gpio1_get,
++			.set			= au1000_gpio1_set,
++			.base			= 0,
++			.ngpio			= 32,
++		},
++	},
++#if !defined(CONFIG_SOC_AU1000)
++	[1] = {
++		.regbase			= (void __iomem *)GPIO2_BASE,
++		.chip = {
++			.label			= "au1000-gpio2",
++			.direction_input	= au1000_gpio2_direction_input,
++			.direction_output	= au1000_gpio2_direction_output,
++			.get			= au1000_gpio2_get,
++			.set			= au1000_gpio2_set,
++			.base			= AU1XXX_GPIO_BASE,
++			.ngpio			= 32,
++		},
++	},
+ #endif
++};
+ 
+-	return au1xxx_gpio1_direction_input(gpio);
+-}
+-EXPORT_SYMBOL(au1xxx_gpio_direction_input);
+-
+-int au1xxx_gpio_direction_output(unsigned gpio, int value)
++int __init au1000_gpio_init(void)
+ {
+-	if (gpio >= AU1XXX_GPIO_BASE)
+-#if defined(CONFIG_SOC_AU1000)
+-		return -ENODEV;
+-#else
+-		return au1xxx_gpio2_direction_output(gpio, value);
++	gpiochip_add(&au1000_gpio_chip[0].chip);
++#if !defined(CONFIG_SOC_AU1000)
++	gpiochip_add(&au1000_gpio_chip[1].chip);
+ #endif
+ 
+-	return au1xxx_gpio1_direction_output(gpio, value);
++	return 0;
+ }
+-EXPORT_SYMBOL(au1xxx_gpio_direction_output);
++arch_initcall(au1000_gpio_init);
+--- a/arch/mips/include/asm/mach-au1x00/gpio.h
++++ b/arch/mips/include/asm/mach-au1x00/gpio.h
+@@ -1,69 +1,21 @@
+ #ifndef _AU1XXX_GPIO_H_
+ #define _AU1XXX_GPIO_H_
+ 
+-#include <linux/types.h>
+-
+ #define AU1XXX_GPIO_BASE	200
+ 
+-struct au1x00_gpio2 {
+-	u32	dir;
+-	u32	reserved;
+-	u32	output;
+-	u32	pinstate;
+-	u32	inten;
+-	u32	enable;
+-};
+-
+-extern int au1xxx_gpio_get_value(unsigned gpio);
+-extern void au1xxx_gpio_set_value(unsigned gpio, int value);
+-extern int au1xxx_gpio_direction_input(unsigned gpio);
+-extern int au1xxx_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 au1xxx_gpio_direction_input(gpio);
+-}
+-
+-static inline int gpio_direction_output(unsigned gpio, int value)
+-{
+-	return au1xxx_gpio_direction_output(gpio, value);
+-}
+-
+-static inline int gpio_get_value(unsigned gpio)
+-{
+-	return au1xxx_gpio_get_value(gpio);
+-}
+-
+-static inline void gpio_set_value(unsigned gpio, int value)
+-{
+-	au1xxx_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;
+-}
++#define AU1000_GPIO2_DIR	0x00
++#define AU1000_GPIO2_RSVD	0x04
++#define AU1000_GPIO2_OUT	0x08
++#define AU1000_GPIO2_ST		0x0C
++#define AU1000_GPIO2_INT	0x10
++#define AU1000_GPIO2_EN		0x14
++
++#define gpio_get_value		__gpio_get_value
++#define gpio_set_value		__gpio_set_value
++
++#define gpio_to_irq(gpio)	NULL
++#define irq_to_gpio(irq)	NULL
+ 
+-/* For cansleep */
+ #include <asm-generic/gpio.h>
+ 
+ #endif /* _AU1XXX_GPIO_H_ */