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-rw-r--r--target/linux/rb532/patches-2.6.27/001-git_diffs.patch743
1 files changed, 743 insertions, 0 deletions
diff --git a/target/linux/rb532/patches-2.6.27/001-git_diffs.patch b/target/linux/rb532/patches-2.6.27/001-git_diffs.patch
new file mode 100644
index 000000000..d6c244b29
--- /dev/null
+++ b/target/linux/rb532/patches-2.6.27/001-git_diffs.patch
@@ -0,0 +1,743 @@
+diff -urN a/arch/mips/rb532/devices.c b/arch/mips/rb532/devices.c
+--- a/arch/mips/rb532/devices.c 2008-11-07 18:55:34.000000000 +0100
++++ b/arch/mips/rb532/devices.c 2008-11-15 17:43:28.000000000 +0100
+@@ -34,21 +34,11 @@
+ #include <asm/mach-rc32434/rb.h>
+ #include <asm/mach-rc32434/integ.h>
+ #include <asm/mach-rc32434/gpio.h>
+-
+-#define ETH0_DMA_RX_IRQ (GROUP1_IRQ_BASE + 0)
+-#define ETH0_DMA_TX_IRQ (GROUP1_IRQ_BASE + 1)
+-#define ETH0_RX_OVR_IRQ (GROUP3_IRQ_BASE + 9)
+-#define ETH0_TX_UND_IRQ (GROUP3_IRQ_BASE + 10)
++#include <asm/mach-rc32434/irq.h>
+
+ #define ETH0_RX_DMA_ADDR (DMA0_BASE_ADDR + 0 * DMA_CHAN_OFFSET)
+ #define ETH0_TX_DMA_ADDR (DMA0_BASE_ADDR + 1 * DMA_CHAN_OFFSET)
+
+-/* NAND definitions */
+-#define GPIO_RDY (1 << 0x08)
+-#define GPIO_WPX (1 << 0x09)
+-#define GPIO_ALE (1 << 0x0a)
+-#define GPIO_CLE (1 << 0x0b)
+-
+ static struct resource korina_dev0_res[] = {
+ {
+ .name = "korina_regs",
+@@ -94,15 +84,13 @@
+ };
+
+ static struct platform_device korina_dev0 = {
+- .id = 0,
++ .id = -1,
+ .name = "korina",
+ .dev.platform_data = &korina_dev0_data,
+ .resource = korina_dev0_res,
+ .num_resources = ARRAY_SIZE(korina_dev0_res),
+ };
+
+-#define CF_GPIO_NUM 13
+-
+ static struct resource cf_slot0_res[] = {
+ {
+ .name = "cf_membase",
+@@ -116,11 +104,11 @@
+ };
+
+ static struct cf_device cf_slot0_data = {
+- .gpio_pin = 13
++ .gpio_pin = CF_GPIO_NUM
+ };
+
+ static struct platform_device cf_slot0 = {
+- .id = 0,
++ .id = -1,
+ .name = "pata-rb532-cf",
+ .dev.platform_data = &cf_slot0_data,
+ .resource = cf_slot0_res,
+@@ -130,7 +118,7 @@
+ /* Resources and device for NAND */
+ static int rb532_dev_ready(struct mtd_info *mtd)
+ {
+- return readl(IDT434_REG_BASE + GPIOD) & GPIO_RDY;
++ return gpio_get_value(GPIO_RDY);
+ }
+
+ static void rb532_cmd_ctrl(struct mtd_info *mtd, int cmd, unsigned int ctrl)
+@@ -185,7 +173,7 @@
+
+ static struct platform_device rb532_led = {
+ .name = "rb532-led",
+- .id = 0,
++ .id = -1,
+ };
+
+ static struct gpio_keys_button rb532_gpio_btn[] = {
+@@ -292,7 +280,7 @@
+ {
+ /* Look for the CF card reader */
+ if (!readl(IDT434_REG_BASE + DEV1MASK))
+- rb532_devs[1] = NULL;
++ rb532_devs[2] = NULL; /* disable cf_slot0 at index 2 */
+ else {
+ cf_slot0_res[0].start =
+ readl(IDT434_REG_BASE + DEV1BASE);
+diff -urN a/arch/mips/rb532/gpio.c b/arch/mips/rb532/gpio.c
+--- a/arch/mips/rb532/gpio.c 2008-11-07 18:55:34.000000000 +0100
++++ b/arch/mips/rb532/gpio.c 2008-11-15 17:43:28.000000000 +0100
+@@ -27,28 +27,27 @@
+ */
+
+ #include <linux/kernel.h>
+-#include <linux/gpio.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 <linux/gpio.h>
+
+ #include <asm/mach-rc32434/rb.h>
++#include <asm/mach-rc32434/gpio.h>
+
+-struct rb532_gpio_reg __iomem *rb532_gpio_reg0;
+-EXPORT_SYMBOL(rb532_gpio_reg0);
++struct rb532_gpio_chip {
++ struct gpio_chip chip;
++ void __iomem *regbase;
++};
+
+ struct mpmc_device dev3;
+
+ static struct resource rb532_gpio_reg0_res[] = {
+ {
+ .name = "gpio_reg0",
+- .start = (u32)(IDT434_REG_BASE + GPIOBASE),
+- .end = (u32)(IDT434_REG_BASE + GPIOBASE + sizeof(struct rb532_gpio_reg)),
++ .start = REGBASE + GPIOBASE,
++ .end = REGBASE + GPIOBASE + sizeof(struct rb532_gpio_reg) - 1,
+ .flags = IORESOURCE_MEM,
+ }
+ };
+@@ -56,8 +55,8 @@
+ static struct resource rb532_dev3_ctl_res[] = {
+ {
+ .name = "dev3_ctl",
+- .start = (u32)(IDT434_REG_BASE + DEV3BASE),
+- .end = (u32)(IDT434_REG_BASE + DEV3BASE + sizeof(struct dev_reg)),
++ .start = REGBASE + DEV3BASE,
++ .end = REGBASE + DEV3BASE + sizeof(struct dev_reg) - 1,
+ .flags = IORESOURCE_MEM,
+ }
+ };
+@@ -70,7 +69,7 @@
+
+ spin_lock_irqsave(&dev3.lock, flags);
+
+- data = *(volatile unsigned *) (IDT434_REG_BASE + reg_offs);
++ data = readl(IDT434_REG_BASE + reg_offs);
+ for (i = 0; i != len; ++i) {
+ if (val & (1 << i))
+ data |= (1 << (i + bit));
+@@ -108,114 +107,166 @@
+ }
+ EXPORT_SYMBOL(get_latch_u5);
+
+-int rb532_gpio_get_value(unsigned gpio)
++/* rb532_set_bit - sanely set a bit
++ *
++ * bitval: new value for the bit
++ * offset: bit index in the 4 byte address range
++ * ioaddr: 4 byte aligned address being altered
++ */
++static inline void rb532_set_bit(unsigned bitval,
++ unsigned offset, void __iomem *ioaddr)
+ {
+- return readl(&rb532_gpio_reg0->gpiod) & (1 << gpio);
+-}
+-EXPORT_SYMBOL(rb532_gpio_get_value);
++ unsigned long flags;
++ u32 val;
+
+-void rb532_gpio_set_value(unsigned gpio, int value)
+-{
+- unsigned tmp;
++ bitval = !!bitval; /* map parameter to {0,1} */
++
++ local_irq_save(flags);
+
+- tmp = readl(&rb532_gpio_reg0->gpiod) & ~(1 << gpio);
+- if (value)
+- tmp |= 1 << gpio;
++ val = readl(ioaddr);
++ val &= ~( ~bitval << offset ); /* unset bit if bitval == 0 */
++ val |= ( bitval << offset ); /* set bit if bitval == 1 */
++ writel(val, ioaddr);
+
+- writel(tmp, (void *)&rb532_gpio_reg0->gpiod);
++ local_irq_restore(flags);
+ }
+-EXPORT_SYMBOL(rb532_gpio_set_value);
+
+-int rb532_gpio_direction_input(unsigned gpio)
++/* rb532_get_bit - read a bit
++ *
++ * returns the boolean state of the bit, which may be > 1
++ */
++static inline int rb532_get_bit(unsigned offset, void __iomem *ioaddr)
+ {
+- writel(readl(&rb532_gpio_reg0->gpiocfg) & ~(1 << gpio),
+- (void *)&rb532_gpio_reg0->gpiocfg);
+-
+- return 0;
++ return (readl(ioaddr) & (1 << offset));
+ }
+-EXPORT_SYMBOL(rb532_gpio_direction_input);
+
+-int rb532_gpio_direction_output(unsigned gpio, int value)
++/*
++ * Return GPIO level */
++static int rb532_gpio_get(struct gpio_chip *chip, unsigned offset)
+ {
+- gpio_set_value(gpio, value);
+- writel(readl(&rb532_gpio_reg0->gpiocfg) | (1 << gpio),
+- (void *)&rb532_gpio_reg0->gpiocfg);
++ struct rb532_gpio_chip *gpch;
+
+- return 0;
++ gpch = container_of(chip, struct rb532_gpio_chip, chip);
++ return rb532_get_bit(offset, gpch->regbase + GPIOD);
+ }
+-EXPORT_SYMBOL(rb532_gpio_direction_output);
+
+-void rb532_gpio_set_int_level(unsigned gpio, int value)
++/*
++ * Set output GPIO level
++ */
++static void rb532_gpio_set(struct gpio_chip *chip,
++ unsigned offset, int value)
+ {
+- unsigned tmp;
++ struct rb532_gpio_chip *gpch;
+
+- tmp = readl(&rb532_gpio_reg0->gpioilevel) & ~(1 << gpio);
+- if (value)
+- tmp |= 1 << gpio;
+- writel(tmp, (void *)&rb532_gpio_reg0->gpioilevel);
++ gpch = container_of(chip, struct rb532_gpio_chip, chip);
++ rb532_set_bit(value, offset, gpch->regbase + GPIOD);
+ }
+-EXPORT_SYMBOL(rb532_gpio_set_int_level);
+
+-int rb532_gpio_get_int_level(unsigned gpio)
++/*
++ * Set GPIO direction to input
++ */
++static int rb532_gpio_direction_input(struct gpio_chip *chip, unsigned offset)
+ {
+- return readl(&rb532_gpio_reg0->gpioilevel) & (1 << gpio);
++ struct rb532_gpio_chip *gpch;
++
++ gpch = container_of(chip, struct rb532_gpio_chip, chip);
++
++ if (rb532_get_bit(offset, gpch->regbase + GPIOFUNC))
++ return 1; /* alternate function, GPIOCFG is ignored */
++
++ rb532_set_bit(0, offset, gpch->regbase + GPIOCFG);
++ return 0;
+ }
+-EXPORT_SYMBOL(rb532_gpio_get_int_level);
+
+-void rb532_gpio_set_int_status(unsigned gpio, int value)
++/*
++ * Set GPIO direction to output
++ */
++static int rb532_gpio_direction_output(struct gpio_chip *chip,
++ unsigned offset, int value)
+ {
+- unsigned tmp;
++ struct rb532_gpio_chip *gpch;
++
++ gpch = container_of(chip, struct rb532_gpio_chip, chip);
+
+- tmp = readl(&rb532_gpio_reg0->gpioistat);
+- if (value)
+- tmp |= 1 << gpio;
+- writel(tmp, (void *)&rb532_gpio_reg0->gpioistat);
++ if (rb532_get_bit(offset, gpch->regbase + GPIOFUNC))
++ return 1; /* alternate function, GPIOCFG is ignored */
++
++ /* set the initial output value */
++ rb532_set_bit(value, offset, gpch->regbase + GPIOD);
++
++ rb532_set_bit(1, offset, gpch->regbase + GPIOCFG);
++ return 0;
+ }
+-EXPORT_SYMBOL(rb532_gpio_set_int_status);
+
+-int rb532_gpio_get_int_status(unsigned gpio)
++static struct rb532_gpio_chip rb532_gpio_chip[] = {
++ [0] = {
++ .chip = {
++ .label = "gpio0",
++ .direction_input = rb532_gpio_direction_input,
++ .direction_output = rb532_gpio_direction_output,
++ .get = rb532_gpio_get,
++ .set = rb532_gpio_set,
++ .base = 0,
++ .ngpio = 32,
++ },
++ },
++};
++
++/*
++ * Set GPIO interrupt level
++ */
++void rb532_gpio_set_ilevel(int bit, unsigned gpio)
+ {
+- return readl(&rb532_gpio_reg0->gpioistat) & (1 << gpio);
++ rb532_set_bit(bit, gpio, rb532_gpio_chip->regbase + GPIOILEVEL);
+ }
+-EXPORT_SYMBOL(rb532_gpio_get_int_status);
++EXPORT_SYMBOL(rb532_gpio_set_ilevel);
+
+-void rb532_gpio_set_func(unsigned gpio, int value)
++/*
++ * Set GPIO interrupt status
++ */
++void rb532_gpio_set_istat(int bit, unsigned gpio)
+ {
+- unsigned tmp;
+-
+- tmp = readl(&rb532_gpio_reg0->gpiofunc);
+- if (value)
+- tmp |= 1 << gpio;
+- writel(tmp, (void *)&rb532_gpio_reg0->gpiofunc);
++ rb532_set_bit(bit, gpio, rb532_gpio_chip->regbase + GPIOISTAT);
+ }
+-EXPORT_SYMBOL(rb532_gpio_set_func);
++EXPORT_SYMBOL(rb532_gpio_set_istat);
+
+-int rb532_gpio_get_func(unsigned gpio)
++/*
++ * Configure GPIO alternate function
++ */
++static void rb532_gpio_set_func(int bit, unsigned gpio)
+ {
+- return readl(&rb532_gpio_reg0->gpiofunc) & (1 << gpio);
++ rb532_set_bit(bit, gpio, rb532_gpio_chip->regbase + GPIOFUNC);
+ }
+-EXPORT_SYMBOL(rb532_gpio_get_func);
+
+ int __init rb532_gpio_init(void)
+ {
+- rb532_gpio_reg0 = ioremap_nocache(rb532_gpio_reg0_res[0].start,
+- rb532_gpio_reg0_res[0].end -
+- rb532_gpio_reg0_res[0].start);
++ struct resource *r;
++
++ r = rb532_gpio_reg0_res;
++ rb532_gpio_chip->regbase = ioremap_nocache(r->start, r->end - r->start);
+
+- if (!rb532_gpio_reg0) {
++ if (!rb532_gpio_chip->regbase) {
+ printk(KERN_ERR "rb532: cannot remap GPIO register 0\n");
+ return -ENXIO;
+ }
+
+- dev3.base = ioremap_nocache(rb532_dev3_ctl_res[0].start,
+- rb532_dev3_ctl_res[0].end -
+- rb532_dev3_ctl_res[0].start);
++ /* Register our GPIO chip */
++ gpiochip_add(&rb532_gpio_chip->chip);
++
++ r = rb532_dev3_ctl_res;
++ dev3.base = ioremap_nocache(r->start, r->end - r->start);
+
+ if (!dev3.base) {
+ printk(KERN_ERR "rb532: cannot remap device controller 3\n");
+ return -ENXIO;
+ }
+
++ /* configure CF_GPIO_NUM as CFRDY IRQ source */
++ rb532_gpio_set_func(0, CF_GPIO_NUM);
++ rb532_gpio_direction_input(&rb532_gpio_chip->chip, CF_GPIO_NUM);
++ rb532_gpio_set_ilevel(1, CF_GPIO_NUM);
++ rb532_gpio_set_istat(0, CF_GPIO_NUM);
++
+ return 0;
+ }
+ arch_initcall(rb532_gpio_init);
+diff -urN a/arch/mips/rb532/irq.c b/arch/mips/rb532/irq.c
+--- a/arch/mips/rb532/irq.c 2008-11-07 18:55:34.000000000 +0100
++++ b/arch/mips/rb532/irq.c 2008-11-15 17:43:28.000000000 +0100
+@@ -45,7 +45,7 @@
+ #include <asm/mipsregs.h>
+ #include <asm/system.h>
+
+-#include <asm/mach-rc32434/rc32434.h>
++#include <asm/mach-rc32434/irq.h>
+
+ struct intr_group {
+ u32 mask; /* mask of valid bits in pending/mask registers */
+diff -urN a/arch/mips/rb532/prom.c b/arch/mips/rb532/prom.c
+--- a/arch/mips/rb532/prom.c 2008-11-07 18:55:34.000000000 +0100
++++ b/arch/mips/rb532/prom.c 2008-11-15 17:43:28.000000000 +0100
+@@ -37,12 +37,8 @@
+ #include <asm/mach-rc32434/ddr.h>
+ #include <asm/mach-rc32434/prom.h>
+
+-extern void __init setup_serial_port(void);
+-
+ unsigned int idt_cpu_freq = 132000000;
+ EXPORT_SYMBOL(idt_cpu_freq);
+-unsigned int gpio_bootup_state;
+-EXPORT_SYMBOL(gpio_bootup_state);
+
+ static struct resource ddr_reg[] = {
+ {
+@@ -108,9 +104,6 @@
+ mips_machtype = MACH_MIKROTIK_RB532;
+ }
+
+- if (match_tag(prom_argv[i], GPIO_TAG))
+- gpio_bootup_state = tag2ul(prom_argv[i], GPIO_TAG);
+-
+ strcpy(cp, prom_argv[i]);
+ cp += strlen(prom_argv[i]);
+ }
+@@ -122,11 +115,6 @@
+ strcpy(cp, arcs_cmdline);
+ cp += strlen(arcs_cmdline);
+ }
+- if (gpio_bootup_state & 0x02)
+- strcpy(cp, GPIO_INIT_NOBUTTON);
+- else
+- strcpy(cp, GPIO_INIT_BUTTON);
+-
+ cmd_line[CL_SIZE-1] = '\0';
+
+ strcpy(arcs_cmdline, cmd_line);
+diff -urN a/arch/mips/rb532/serial.c b/arch/mips/rb532/serial.c
+--- a/arch/mips/rb532/serial.c 2008-11-07 18:55:34.000000000 +0100
++++ b/arch/mips/rb532/serial.c 2008-11-15 17:43:28.000000000 +0100
+@@ -31,16 +31,16 @@
+ #include <linux/serial_8250.h>
+
+ #include <asm/serial.h>
+-#include <asm/mach-rc32434/rc32434.h>
++#include <asm/mach-rc32434/rb.h>
+
+ extern unsigned int idt_cpu_freq;
+
+ static struct uart_port rb532_uart = {
+ .type = PORT_16550A,
+ .line = 0,
+- .irq = RC32434_UART0_IRQ,
++ .irq = UART0_IRQ,
+ .iotype = UPIO_MEM,
+- .membase = (char *)KSEG1ADDR(RC32434_UART0_BASE),
++ .membase = (char *)KSEG1ADDR(REGBASE + UART0BASE),
+ .regshift = 2
+ };
+
+diff -urN a/arch/mips/rb532/setup.c b/arch/mips/rb532/setup.c
+--- a/arch/mips/rb532/setup.c 2008-11-07 18:55:34.000000000 +0100
++++ b/arch/mips/rb532/setup.c 2008-11-15 17:43:28.000000000 +0100
+@@ -9,7 +9,7 @@
+ #include <asm/time.h>
+ #include <linux/ioport.h>
+
+-#include <asm/mach-rc32434/rc32434.h>
++#include <asm/mach-rc32434/rb.h>
+ #include <asm/mach-rc32434/pci.h>
+
+ struct pci_reg __iomem *pci_reg;
+@@ -27,7 +27,7 @@
+ static void rb_machine_restart(char *command)
+ {
+ /* just jump to the reset vector */
+- writel(0x80000001, (void *)KSEG1ADDR(RC32434_REG_BASE + RC32434_RST));
++ writel(0x80000001, IDT434_REG_BASE + RST);
+ ((void (*)(void)) KSEG1ADDR(0x1FC00000u))();
+ }
+
+diff -urN a/arch/mips/rb532/time.c b/arch/mips/rb532/time.c
+--- a/arch/mips/rb532/time.c 2008-11-07 18:55:34.000000000 +0100
++++ b/arch/mips/rb532/time.c 2008-11-15 17:43:28.000000000 +0100
+@@ -28,7 +28,6 @@
+ #include <linux/timex.h>
+
+ #include <asm/mipsregs.h>
+-#include <asm/debug.h>
+ #include <asm/time.h>
+ #include <asm/mach-rc32434/rc32434.h>
+
+diff -urN linux-2.6.27.5/arch/mips/Kconfig linux-2.6.27.5.new/arch/mips/Kconfig
+--- linux-2.6.27.5/arch/mips/Kconfig 2008-11-07 18:55:34.000000000 +0100
++++ linux-2.6.27.5.new/arch/mips/Kconfig 2008-11-15 17:50:42.000000000 +0100
+@@ -568,7 +568,7 @@
+ select SYS_SUPPORTS_LITTLE_ENDIAN
+ select SWAP_IO_SPACE
+ select BOOT_RAW
+- select GENERIC_GPIO
++ select ARCH_REQUIRE_GPIOLIB
+ help
+ Support the Mikrotik(tm) RouterBoard 532 series,
+ based on the IDT RC32434 SoC.
+diff -urN a/include/asm-mips/mach-rc32434/gpio.h b/include-mips/asm/mach-rc32434/gpio.h
+--- a/include/asm-mips/mach-rc32434/gpio.h 2008-11-07 18:55:34.000000000 +0100
++++ b/include/asm-mips/mach-rc32434/gpio.h 2008-11-15 17:43:28.000000000 +0100
+@@ -14,6 +14,16 @@
+ #define _RC32434_GPIO_H_
+
+ #include <linux/types.h>
++#include <asm-generic/gpio.h>
++
++#define NR_BUILTIN_GPIO 32
++
++#define gpio_get_value __gpio_get_value
++#define gpio_set_value __gpio_set_value
++#define gpio_cansleep __gpio_cansleep
++
++#define gpio_to_irq(gpio) (8 + 4 * 32 + gpio)
++#define irq_to_gpio(irq) (irq - (8 + 4 * 32))
+
+ struct rb532_gpio_reg {
+ u32 gpiofunc; /* GPIO Function Register
+@@ -61,66 +71,20 @@
+ /* PCI messaging unit */
+ #define RC32434_PCI_MSU_GPIO (1 << 13)
+
++/* NAND GPIO signals */
++#define GPIO_RDY 8
++#define GPIO_WPX 9
++#define GPIO_ALE 10
++#define GPIO_CLE 11
++
++/* Compact Flash GPIO pin */
++#define CF_GPIO_NUM 13
+
+ extern void set_434_reg(unsigned reg_offs, unsigned bit, unsigned len, unsigned val);
+ extern unsigned get_434_reg(unsigned reg_offs);
+ extern void set_latch_u5(unsigned char or_mask, unsigned char nand_mask);
+ extern unsigned char get_latch_u5(void);
+-
+-extern int rb532_gpio_get_value(unsigned gpio);
+-extern void rb532_gpio_set_value(unsigned gpio, int value);
+-extern int rb532_gpio_direction_input(unsigned gpio);
+-extern int rb532_gpio_direction_output(unsigned gpio, int value);
+-extern void rb532_gpio_set_int_level(unsigned gpio, int value);
+-extern int rb532_gpio_get_int_level(unsigned gpio);
+-extern void rb532_gpio_set_int_status(unsigned gpio, int value);
+-extern int rb532_gpio_get_int_status(unsigned gpio);
+-
+-
+-/* 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 rb532_gpio_direction_input(gpio);
+-}
+-
+-static inline int gpio_direction_output(unsigned gpio, int value)
+-{
+- return rb532_gpio_direction_output(gpio, value);
+-}
+-
+-static inline int gpio_get_value(unsigned gpio)
+-{
+- return rb532_gpio_get_value(gpio);
+-}
+-
+-static inline void gpio_set_value(unsigned gpio, int value)
+-{
+- rb532_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;
+-}
+-
+-/* For cansleep */
+-#include <asm-generic/gpio.h>
++extern void rb532_gpio_set_ilevel(int bit, unsigned gpio);
++extern void rb532_gpio_set_istat(int bit, unsigned gpio);
+
+ #endif /* _RC32434_GPIO_H_ */
+diff -urN a/include/asm-mips/mach-rc32434/irq.h b/include/asm-mips/mach-rc32434/irq.h
+--- a/include/asm-mips/mach-rc32434/irq.h 2008-11-07 18:55:34.000000000 +0100
++++ b/include/asm-mips/mach-rc32434/irq.h 2008-11-15 17:43:28.000000000 +0100
+@@ -4,5 +4,30 @@
+ #define NR_IRQS 256
+
+ #include <asm/mach-generic/irq.h>
++#include <asm/mach-rc32434/rb.h>
++
++/* Interrupt Controller */
++#define IC_GROUP0_PEND (REGBASE + 0x38000)
++#define IC_GROUP0_MASK (REGBASE + 0x38008)
++#define IC_GROUP_OFFSET 0x0C
++
++#define NUM_INTR_GROUPS 5
++
++/* 16550 UARTs */
++#define GROUP0_IRQ_BASE 8 /* GRP2 IRQ numbers start here */
++ /* GRP3 IRQ numbers start here */
++#define GROUP1_IRQ_BASE (GROUP0_IRQ_BASE + 32)
++ /* GRP4 IRQ numbers start here */
++#define GROUP2_IRQ_BASE (GROUP1_IRQ_BASE + 32)
++ /* GRP5 IRQ numbers start here */
++#define GROUP3_IRQ_BASE (GROUP2_IRQ_BASE + 32)
++#define GROUP4_IRQ_BASE (GROUP3_IRQ_BASE + 32)
++
++#define UART0_IRQ (GROUP3_IRQ_BASE + 0)
++
++#define ETH0_DMA_RX_IRQ (GROUP1_IRQ_BASE + 0)
++#define ETH0_DMA_TX_IRQ (GROUP1_IRQ_BASE + 1)
++#define ETH0_RX_OVR_IRQ (GROUP3_IRQ_BASE + 9)
++#define ETH0_TX_UND_IRQ (GROUP3_IRQ_BASE + 10)
+
+ #endif /* __ASM_RC32434_IRQ_H */
+diff -urN a/include/asm-mips/mach-rc32434/prom.h b/include/asm-mips/mach-rc32434/prom.h
+--- a/include/asm-mips/mach-rc32434/prom.h 2008-11-07 18:55:34.000000000 +0100
++++ b/include/asm-mips/mach-rc32434/prom.h 2008-11-15 17:43:28.000000000 +0100
+@@ -28,14 +28,10 @@
+
+ #define PROM_ENTRY(x) (0xbfc00000 + ((x) * 8))
+
+-#define GPIO_INIT_NOBUTTON ""
+-#define GPIO_INIT_BUTTON " 2"
+-
+ #define SR_NMI 0x00180000
+ #define SERIAL_SPEED_ENTRY 0x00000001
+
+ #define FREQ_TAG "HZ="
+-#define GPIO_TAG "gpio="
+ #define KMAC_TAG "kmac="
+ #define MEM_TAG "mem="
+ #define BOARD_TAG "board="
+diff -urN a/include/asm-mips/mach-rc32434/rb.h b/include/asm-mips/mach-rc32434/rb.h
+--- a/include/asm-mips/mach-rc32434/rb.h 2008-11-07 18:55:34.000000000 +0100
++++ b/include/asm-mips/mach-rc32434/rb.h 2008-11-15 17:43:28.000000000 +0100
+@@ -17,7 +17,10 @@
+
+ #include <linux/genhd.h>
+
+-#define IDT434_REG_BASE ((volatile void *) KSEG1ADDR(0x18000000))
++#define REGBASE 0x18000000
++#define IDT434_REG_BASE ((volatile void *) KSEG1ADDR(REGBASE))
++#define UART0BASE 0x58000
++#define RST (1 << 15)
+ #define DEV0BASE 0x010000
+ #define DEV0MASK 0x010004
+ #define DEV0C 0x010008
+@@ -37,12 +40,14 @@
+ #define BTCS 0x010040
+ #define BTCOMPARE 0x010044
+ #define GPIOBASE 0x050000
+-#define GPIOCFG 0x050004
+-#define GPIOD 0x050008
+-#define GPIOILEVEL 0x05000C
+-#define GPIOISTAT 0x050010
+-#define GPIONMIEN 0x050014
+-#define IMASK6 0x038038
++/* Offsets relative to GPIOBASE */
++#define GPIOFUNC 0x00
++#define GPIOCFG 0x04
++#define GPIOD 0x08
++#define GPIOILEVEL 0x0C
++#define GPIOISTAT 0x10
++#define GPIONMIEN 0x14
++#define IMASK6 0x38
+ #define LO_WPX (1 << 0)
+ #define LO_ALE (1 << 1)
+ #define LO_CLE (1 << 2)
+diff -urN a/include/asm-mips/mach-rc32434/rc32434.h b/include/asm-mips/mach-rc32434/rc32434.h
+--- a/include/asm-mips/mach-rc32434/rc32434.h 2008-11-07 18:55:34.000000000 +0100
++++ b/include/asm-mips/mach-rc32434/rc32434.h 2008-11-15 17:43:28.000000000 +0100
+@@ -8,37 +8,7 @@
+ #include <linux/delay.h>
+ #include <linux/io.h>
+
+-#define RC32434_REG_BASE 0x18000000
+-#define RC32434_RST (1 << 15)
+-
+ #define IDT_CLOCK_MULT 2
+-#define MIPS_CPU_TIMER_IRQ 7
+-
+-/* Interrupt Controller */
+-#define IC_GROUP0_PEND (RC32434_REG_BASE + 0x38000)
+-#define IC_GROUP0_MASK (RC32434_REG_BASE + 0x38008)
+-#define IC_GROUP_OFFSET 0x0C
+-
+-#define NUM_INTR_GROUPS 5
+-
+-/* 16550 UARTs */
+-#define GROUP0_IRQ_BASE 8 /* GRP2 IRQ numbers start here */
+- /* GRP3 IRQ numbers start here */
+-#define GROUP1_IRQ_BASE (GROUP0_IRQ_BASE + 32)
+- /* GRP4 IRQ numbers start here */
+-#define GROUP2_IRQ_BASE (GROUP1_IRQ_BASE + 32)
+- /* GRP5 IRQ numbers start here */
+-#define GROUP3_IRQ_BASE (GROUP2_IRQ_BASE + 32)
+-#define GROUP4_IRQ_BASE (GROUP3_IRQ_BASE + 32)
+-
+-
+-#ifdef __MIPSEB__
+-#define RC32434_UART0_BASE (RC32434_REG_BASE + 0x58003)
+-#else
+-#define RC32434_UART0_BASE (RC32434_REG_BASE + 0x58000)
+-#endif
+-
+-#define RC32434_UART0_IRQ (GROUP3_IRQ_BASE + 0)
+
+ /* cpu pipeline flush */
+ static inline void rc32434_sync(void)
+@@ -46,16 +16,4 @@
+ __asm__ volatile ("sync");
+ }
+
+-static inline void rc32434_sync_udelay(int us)
+-{
+- __asm__ volatile ("sync");
+- udelay(us);
+-}
+-
+-static inline void rc32434_sync_delay(int ms)
+-{
+- __asm__ volatile ("sync");
+- mdelay(ms);
+-}
+-
+ #endif /* _ASM_RC32434_RC32434_H_ */
+--- a/arch/mips/pci/fixup-rc32434.c 2008-11-07 18:55:34.000000000 +0100
++++ b/arch/mips/pci/fixup-rc32434.c 2008-11-15 17:43:28.000000000 +0100
+@@ -30,6 +30,7 @@
+ #include <linux/init.h>
+
+ #include <asm/mach-rc32434/rc32434.h>
++#include <asm/mach-rc32434/irq.h>
+
+ static int __devinitdata irq_map[2][12] = {
+ {0, 0, 2, 3, 2, 3, 0, 0, 0, 0, 0, 1},