19 files changed, 133 insertions, 217 deletions

diff --git a/arch/arm/mach-iop32x/Makefile.boot b/arch/arm/mach-iop32x/Makefile.boot
index 47000dccd61..0a833b11e38 100644
--- a/arch/arm/mach-iop32x/Makefile.boot
+++ b/arch/arm/mach-iop32x/Makefile.boot
@@ -1,3 +1,3 @@
-   zreladdr-y	:= 0xa0008000
+   zreladdr-y	+= 0xa0008000
 params_phys-y	:= 0xa0000100
 initrd_phys-y	:= 0xa0800000
diff --git a/arch/arm/mach-iop32x/em7210.c b/arch/arm/mach-iop32x/em7210.c
index 3ad4696ade4..77e1ff05730 100644
--- a/arch/arm/mach-iop32x/em7210.c
+++ b/arch/arm/mach-iop32x/em7210.c
@@ -23,6 +23,7 @@
 #include <linux/mtd/physmap.h>
 #include <linux/platform_device.h>
 #include <linux/i2c.h>
+#include <linux/gpio.h>
 #include <mach/hardware.h>
 #include <linux/io.h>
 #include <linux/irq.h>
@@ -32,6 +33,7 @@
 #include <asm/mach/time.h>
 #include <asm/mach-types.h>
 #include <mach/time.h>
+#include "gpio-iop32x.h"
 
 static void __init em7210_timer_init(void)
 {
@@ -40,11 +42,6 @@ static void __init em7210_timer_init(void)
 	iop_init_time(200000000);
 }
 
-static struct sys_timer em7210_timer = {
-	.init		= em7210_timer_init,
-	.offset		= iop_gettimeoffset,
-};
-
 /*
  * EM7210 RTC
  */
@@ -82,7 +79,7 @@ void __init em7210_map_io(void)
 #define INTD	IRQ_IOP32X_XINT3
 
 static int __init
-em7210_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+em7210_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
 {
 	static int pci_irq_table[][4] = {
 		/*
@@ -104,11 +101,10 @@ em7210_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
 }
 
 static struct hw_pci em7210_pci __initdata = {
-	.swizzle	= pci_std_swizzle,
 	.nr_controllers = 1,
+	.ops		= &iop3xx_ops,
 	.setup		= iop3xx_pci_setup,
 	.preinit	= iop3xx_pci_preinit,
-	.scan		= iop3xx_pci_scan_bus,
 	.map_irq	= em7210_pci_map_irq,
 };
 
@@ -181,14 +177,39 @@ static struct platform_device em7210_serial_device = {
 	.resource	= &em7210_uart_resource,
 };
 
+#define EM7210_HARDWARE_POWER 0
+
 void em7210_power_off(void)
 {
-	*IOP3XX_GPOE &= 0xfe;
-	*IOP3XX_GPOD |= 0x01;
+	int ret;
+
+	ret = gpio_direction_output(EM7210_HARDWARE_POWER, 1);
+	if (ret)
+		pr_crit("could not drive power off GPIO high\n");
+}
+
+static int __init em7210_request_gpios(void)
+{
+	int ret;
+
+	if (!machine_is_em7210())
+		return 0;
+
+	ret = gpio_request(EM7210_HARDWARE_POWER, "power");
+	if (ret) {
+		pr_err("could not request power off GPIO\n");
+		return 0;
+	}
+
+	pm_power_off = em7210_power_off;
+
+	return 0;
 }
+device_initcall(em7210_request_gpios);
 
 static void __init em7210_init_machine(void)
 {
+	register_iop32x_gpio();
 	platform_device_register(&em7210_serial_device);
 	platform_device_register(&iop3xx_i2c0_device);
 	platform_device_register(&iop3xx_i2c1_device);
@@ -198,17 +219,13 @@ static void __init em7210_init_machine(void)
 
 	i2c_register_board_info(0, em7210_i2c_devices,
 		ARRAY_SIZE(em7210_i2c_devices));
-
-
-	pm_power_off = em7210_power_off;
 }
 
 MACHINE_START(EM7210, "Lanner EM7210")
-	.phys_io	= IQ31244_UART,
-	.io_pg_offst	= ((IQ31244_UART) >> 18) & 0xfffc,
-	.boot_params	= 0xa0000100,
+	.atag_offset	= 0x100,
 	.map_io		= em7210_map_io,
 	.init_irq	= iop32x_init_irq,
-	.timer		= &em7210_timer,
+	.init_time	= em7210_timer_init,
 	.init_machine	= em7210_init_machine,
+	.restart	= iop3xx_restart,
 MACHINE_END
diff --git a/arch/arm/mach-iop32x/glantank.c b/arch/arm/mach-iop32x/glantank.c
index a9c2dfdb250..547b2342d61 100644
--- a/arch/arm/mach-iop32x/glantank.c
+++ b/arch/arm/mach-iop32x/glantank.c
@@ -19,7 +19,6 @@
 #include <linux/pci.h>
 #include <linux/pm.h>
 #include <linux/string.h>
-#include <linux/slab.h>
 #include <linux/serial_core.h>
 #include <linux/serial_8250.h>
 #include <linux/mtd/physmap.h>
@@ -35,6 +34,7 @@
 #include <asm/mach-types.h>
 #include <asm/page.h>
 #include <mach/time.h>
+#include "gpio-iop32x.h"
 
 /*
  * GLAN Tank timer tick configuration.
@@ -45,11 +45,6 @@ static void __init glantank_timer_init(void)
 	iop_init_time(200000000);
 }
 
-static struct sys_timer glantank_timer = {
-	.init		= glantank_timer_init,
-	.offset		= iop_gettimeoffset,
-};
-
 
 /*
  * GLAN Tank I/O.
@@ -79,7 +74,7 @@ void __init glantank_map_io(void)
 #define INTD	IRQ_IOP32X_XINT3
 
 static int __init
-glantank_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+glantank_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
 {
 	static int pci_irq_table[][4] = {
 		/*
@@ -98,11 +93,10 @@ glantank_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
 }
 
 static struct hw_pci glantank_pci __initdata = {
-	.swizzle	= pci_std_swizzle,
 	.nr_controllers = 1,
+	.ops		= &iop3xx_ops,
 	.setup		= iop3xx_pci_setup,
 	.preinit	= iop3xx_pci_preinit,
-	.scan		= iop3xx_pci_scan_bus,
 	.map_irq	= glantank_pci_map_irq,
 };
 
@@ -186,7 +180,7 @@ static struct i2c_board_info __initdata glantank_i2c_devices[] = {
 
 static void glantank_power_off(void)
 {
-	__raw_writeb(0x01, 0xfe8d0004);
+	__raw_writeb(0x01, IOMEM(0xfe8d0004));
 
 	while (1)
 		;
@@ -194,6 +188,7 @@ static void glantank_power_off(void)
 
 static void __init glantank_init_machine(void)
 {
+	register_iop32x_gpio();
 	platform_device_register(&iop3xx_i2c0_device);
 	platform_device_register(&iop3xx_i2c1_device);
 	platform_device_register(&glantank_flash_device);
@@ -209,11 +204,10 @@ static void __init glantank_init_machine(void)
 
 MACHINE_START(GLANTANK, "GLAN Tank")
 	/* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */
-	.phys_io	= GLANTANK_UART,
-	.io_pg_offst	= ((GLANTANK_UART) >> 18) & 0xfffc,
-	.boot_params	= 0xa0000100,
+	.atag_offset	= 0x100,
 	.map_io		= glantank_map_io,
 	.init_irq	= iop32x_init_irq,
-	.timer		= &glantank_timer,
+	.init_time	= glantank_timer_init,
 	.init_machine	= glantank_init_machine,
+	.restart	= iop3xx_restart,
 MACHINE_END
diff --git a/arch/arm/mach-iop32x/gpio-iop32x.h b/arch/arm/mach-iop32x/gpio-iop32x.h
new file mode 100644
index 00000000000..3c7309c0202
--- /dev/null
+++ b/arch/arm/mach-iop32x/gpio-iop32x.h
@@ -0,0 +1,10 @@
+static struct resource iop32x_gpio_res[] = {
+	DEFINE_RES_MEM((IOP3XX_PERIPHERAL_PHYS_BASE + 0x07c4), 0x10),
+};
+
+static inline void register_iop32x_gpio(void)
+{
+	platform_device_register_simple("gpio-iop", 0,
+					iop32x_gpio_res,
+					ARRAY_SIZE(iop32x_gpio_res));
+}
diff --git a/arch/arm/mach-iop32x/include/mach/debug-macro.S b/arch/arm/mach-iop32x/include/mach/debug-macro.S
deleted file mode 100644
index 58b01664ffb..00000000000
--- a/arch/arm/mach-iop32x/include/mach/debug-macro.S
+++ /dev/null
@@ -1,20 +0,0 @@
-/*
- * arch/arm/mach-iop32x/include/mach/debug-macro.S
- *
- * Debugging macro include header
- *
- * Copyright (C) 1994-1999 Russell King
- * Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-		.macro	addruart, rx
-		mov	\rx, #0xfe000000	@ physical as well as virtual
-		orr	\rx, \rx, #0x00800000	@ location of the UART
-		.endm
-
-#define UART_SHIFT	0
-#include <asm/hardware/debug-8250.S>
diff --git a/arch/arm/mach-iop32x/include/mach/entry-macro.S b/arch/arm/mach-iop32x/include/mach/entry-macro.S
index b02fb56bafc..ea13ae02d9b 100644
--- a/arch/arm/mach-iop32x/include/mach/entry-macro.S
+++ b/arch/arm/mach-iop32x/include/mach/entry-macro.S
@@ -9,9 +9,6 @@
  */
 #include <mach/iop32x.h>
 
-	.macro	disable_fiq
-	.endm
-
 	.macro get_irqnr_preamble, base, tmp
 	mrc	p15, 0, \tmp, c15, c1, 0
 	orr	\tmp, \tmp, #(1 << 6)
diff --git a/arch/arm/mach-iop32x/include/mach/gpio.h b/arch/arm/mach-iop32x/include/mach/gpio.h
deleted file mode 100644
index 708f4ec9db1..00000000000
--- a/arch/arm/mach-iop32x/include/mach/gpio.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __ASM_ARCH_IOP32X_GPIO_H
-#define __ASM_ARCH_IOP32X_GPIO_H
-
-#include <asm/hardware/iop3xx-gpio.h>
-
-#endif
diff --git a/arch/arm/mach-iop32x/include/mach/hardware.h b/arch/arm/mach-iop32x/include/mach/hardware.h
index d559c4e6095..48cb1b20ba9 100644
--- a/arch/arm/mach-iop32x/include/mach/hardware.h
+++ b/arch/arm/mach-iop32x/include/mach/hardware.h
@@ -18,9 +18,6 @@
  * but when we read them, we convert them to virtual addresses. See
  * arch/arm/plat-iop/pci.c.
  */
-#define pcibios_assign_all_busses() 1
-#define PCIBIOS_MIN_IO		0x00000000
-#define PCIBIOS_MIN_MEM		0x00000000
 
 #ifndef __ASSEMBLY__
 void iop32x_init_irq(void);
diff --git a/arch/arm/mach-iop32x/include/mach/io.h b/arch/arm/mach-iop32x/include/mach/io.h
deleted file mode 100644
index 339e5854728..00000000000
--- a/arch/arm/mach-iop32x/include/mach/io.h
+++ /dev/null
@@ -1,27 +0,0 @@
-/*
- * arch/arm/mach-iop32x/include/mach/io.h
- *
- * Copyright (C) 2001 MontaVista Software, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#ifndef __IO_H
-#define __IO_H
-
-#include <asm/hardware/iop3xx.h>
-
-extern void __iomem *__iop3xx_ioremap(unsigned long cookie, size_t size,
-	unsigned int mtype);
-extern void __iop3xx_iounmap(void __iomem *addr);
-
-#define IO_SPACE_LIMIT		0xffffffff
-#define __io(p)		((void __iomem *)IOP3XX_PCI_IO_PHYS_TO_VIRT(p))
-#define __mem_pci(a)		(a)
-
-#define __arch_ioremap(a, s, f) __iop3xx_ioremap(a, s, f)
-#define __arch_iounmap(a)	 __iop3xx_iounmap(a)
-
-#endif
diff --git a/arch/arm/mach-iop32x/include/mach/iop32x.h b/arch/arm/mach-iop32x/include/mach/iop32x.h
index abd9eb49f10..56ec864ec31 100644
--- a/arch/arm/mach-iop32x/include/mach/iop32x.h
+++ b/arch/arm/mach-iop32x/include/mach/iop32x.h
@@ -19,7 +19,6 @@
  * Peripherals that are shared between the iop32x and iop33x but
  * located at different addresses.
  */
-#define IOP3XX_GPIO_REG(reg)	(IOP3XX_PERIPHERAL_VIRT_BASE + 0x07c4 + (reg))
 #define IOP3XX_TIMER_REG(reg)	(IOP3XX_PERIPHERAL_VIRT_BASE + 0x07e0 + (reg))
 
 #include <asm/hardware/iop3xx.h>
@@ -31,7 +30,5 @@
 #define IOP32X_MAX_RAM_SIZE            0x40000000UL
 #define IOP3XX_MAX_RAM_SIZE            IOP32X_MAX_RAM_SIZE
 #define IOP3XX_PCI_LOWER_MEM_BA        0x80000000
-#define IOP32X_PCI_MEM_WINDOW_SIZE     0x04000000
-#define IOP3XX_PCI_MEM_WINDOW_SIZE     IOP32X_PCI_MEM_WINDOW_SIZE
 
 #endif
diff --git a/arch/arm/mach-iop32x/include/mach/memory.h b/arch/arm/mach-iop32x/include/mach/memory.h
deleted file mode 100644
index c30f6450ad5..00000000000
--- a/arch/arm/mach-iop32x/include/mach/memory.h
+++ /dev/null
@@ -1,13 +0,0 @@
-/*
- * arch/arm/mach-iop32x/include/mach/memory.h
- */
-
-#ifndef __MEMORY_H
-#define __MEMORY_H
-
-/*
- * Physical DRAM offset.
- */
-#define PHYS_OFFSET	UL(0xa0000000)
-
-#endif
diff --git a/arch/arm/mach-iop32x/include/mach/system.h b/arch/arm/mach-iop32x/include/mach/system.h
deleted file mode 100644
index 32d9e5b0a28..00000000000
--- a/arch/arm/mach-iop32x/include/mach/system.h
+++ /dev/null
@@ -1,34 +0,0 @@
-/*
- * arch/arm/mach-iop32x/include/mach/system.h
- *
- * Copyright (C) 2001 MontaVista Software, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-#include <asm/mach-types.h>
-#include <asm/hardware/iop3xx.h>
-#include <mach/n2100.h>
-
-static inline void arch_idle(void)
-{
-	cpu_do_idle();
-}
-
-static inline void arch_reset(char mode)
-{
-	local_irq_disable();
-
-	if (machine_is_n2100()) {
-		gpio_line_set(N2100_HARDWARE_RESET, GPIO_LOW);
-		gpio_line_config(N2100_HARDWARE_RESET, GPIO_OUT);
-		while (1)
-			;
-	}
-
-	*IOP3XX_PCSR = 0x30;
-
-	/* Jump into ROM at address 0 */
-	cpu_reset(0);
-}
diff --git a/arch/arm/mach-iop32x/include/mach/timex.h b/arch/arm/mach-iop32x/include/mach/timex.h
deleted file mode 100644
index 7262ab81419..00000000000
--- a/arch/arm/mach-iop32x/include/mach/timex.h
+++ /dev/null
@@ -1,6 +0,0 @@
-/*
- * arch/arm/mach-iop32x/include/mach/timex.h
- *
- * IOP32x architecture timex specifications
- */
-#define CLOCK_TICK_RATE		(100 * HZ)
diff --git a/arch/arm/mach-iop32x/include/mach/uncompress.h b/arch/arm/mach-iop32x/include/mach/uncompress.h
index b247551b6f5..b3d45fd365e 100644
--- a/arch/arm/mach-iop32x/include/mach/uncompress.h
+++ b/arch/arm/mach-iop32x/include/mach/uncompress.h
@@ -7,7 +7,7 @@
 #include <linux/serial_reg.h>
 #include <mach/hardware.h>
 
-static volatile u8 *uart_base;
+volatile u8 *uart_base;
 
 #define TX_DONE		(UART_LSR_TEMT | UART_LSR_THRE)
 
@@ -36,4 +36,3 @@ static __inline__ void __arch_decomp_setup(unsigned long arch_id)
  * nothing to do
  */
 #define arch_decomp_setup()	__arch_decomp_setup(arch_id)
-#define arch_decomp_wdog()
diff --git a/arch/arm/mach-iop32x/include/mach/vmalloc.h b/arch/arm/mach-iop32x/include/mach/vmalloc.h
deleted file mode 100644
index 85ceb09d85f..00000000000
--- a/arch/arm/mach-iop32x/include/mach/vmalloc.h
+++ /dev/null
@@ -1,5 +0,0 @@
-/*
- * arch/arm/mach-iop32x/include/mach/vmalloc.h
- */
-
-#define VMALLOC_END	0xfe000000
diff --git a/arch/arm/mach-iop32x/iq31244.c b/arch/arm/mach-iop32x/iq31244.c
index dd1cd990451..0e1392b20d1 100644
--- a/arch/arm/mach-iop32x/iq31244.c
+++ b/arch/arm/mach-iop32x/iq31244.c
@@ -21,7 +21,6 @@
 #include <linux/pci.h>
 #include <linux/pm.h>
 #include <linux/string.h>
-#include <linux/slab.h>
 #include <linux/serial_core.h>
 #include <linux/serial_8250.h>
 #include <linux/mtd/physmap.h>
@@ -38,6 +37,7 @@
 #include <asm/page.h>
 #include <asm/pgtable.h>
 #include <mach/time.h>
+#include "gpio-iop32x.h"
 
 /*
  * Until March of 2007 iq31244 platforms and ep80219 platforms shared the
@@ -76,11 +76,6 @@ static void __init iq31244_timer_init(void)
 	}
 }
 
-static struct sys_timer iq31244_timer = {
-	.init		= iq31244_timer_init,
-	.offset		= iop_gettimeoffset,
-};
-
 
 /*
  * IQ31244 I/O.
@@ -105,7 +100,7 @@ void __init iq31244_map_io(void)
  * EP80219/IQ31244 PCI.
  */
 static int __init
-ep80219_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+ep80219_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
 {
 	int irq;
 
@@ -132,16 +127,15 @@ ep80219_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
 }
 
 static struct hw_pci ep80219_pci __initdata = {
-	.swizzle	= pci_std_swizzle,
 	.nr_controllers = 1,
+	.ops		= &iop3xx_ops,
 	.setup		= iop3xx_pci_setup,
 	.preinit	= iop3xx_pci_preinit,
-	.scan		= iop3xx_pci_scan_bus,
 	.map_irq	= ep80219_pci_map_irq,
 };
 
 static int __init
-iq31244_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+iq31244_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
 {
 	int irq;
 
@@ -168,11 +162,10 @@ iq31244_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
 }
 
 static struct hw_pci iq31244_pci __initdata = {
-	.swizzle	= pci_std_swizzle,
 	.nr_controllers = 1,
+	.ops		= &iop3xx_ops,
 	.setup		= iop3xx_pci_setup,
 	.preinit	= iop3xx_pci_preinit,
-	.scan		= iop3xx_pci_scan_bus,
 	.map_irq	= iq31244_pci_map_irq,
 };
 
@@ -291,6 +284,7 @@ void ep80219_power_off(void)
 
 static void __init iq31244_init_machine(void)
 {
+	register_iop32x_gpio();
 	platform_device_register(&iop3xx_i2c0_device);
 	platform_device_register(&iop3xx_i2c1_device);
 	platform_device_register(&iq31244_flash_device);
@@ -315,13 +309,12 @@ __setup("force_ep80219", force_ep80219_setup);
 
 MACHINE_START(IQ31244, "Intel IQ31244")
 	/* Maintainer: Intel Corp. */
-	.phys_io	= IQ31244_UART,
-	.io_pg_offst	= ((IQ31244_UART) >> 18) & 0xfffc,
-	.boot_params	= 0xa0000100,
+	.atag_offset	= 0x100,
 	.map_io		= iq31244_map_io,
 	.init_irq	= iop32x_init_irq,
-	.timer		= &iq31244_timer,
+	.init_time	= iq31244_timer_init,
 	.init_machine	= iq31244_init_machine,
+	.restart	= iop3xx_restart,
 MACHINE_END
 
 /* There should have been an ep80219 machine identifier from the beginning.
@@ -331,11 +324,10 @@ MACHINE_END
  */
 MACHINE_START(EP80219, "Intel EP80219")
 	/* Maintainer: Intel Corp. */
-	.phys_io	= IQ31244_UART,
-	.io_pg_offst	= ((IQ31244_UART) >> 18) & 0xfffc,
-	.boot_params	= 0xa0000100,
+	.atag_offset	= 0x100,
 	.map_io		= iq31244_map_io,
 	.init_irq	= iop32x_init_irq,
-	.timer		= &iq31244_timer,
+	.init_time	= iq31244_timer_init,
 	.init_machine	= iq31244_init_machine,
+	.restart	= iop3xx_restart,
 MACHINE_END
diff --git a/arch/arm/mach-iop32x/iq80321.c b/arch/arm/mach-iop32x/iq80321.c
index fbe27798759..66782ff1f46 100644
--- a/arch/arm/mach-iop32x/iq80321.c
+++ b/arch/arm/mach-iop32x/iq80321.c
@@ -18,7 +18,6 @@
 #include <linux/kernel.h>
 #include <linux/pci.h>
 #include <linux/string.h>
-#include <linux/slab.h>
 #include <linux/serial_core.h>
 #include <linux/serial_8250.h>
 #include <linux/mtd/physmap.h>
@@ -34,6 +33,7 @@
 #include <asm/page.h>
 #include <asm/pgtable.h>
 #include <mach/time.h>
+#include "gpio-iop32x.h"
 
 /*
  * IQ80321 timer tick configuration.
@@ -44,11 +44,6 @@ static void __init iq80321_timer_init(void)
 	iop_init_time(200000000);
 }
 
-static struct sys_timer iq80321_timer = {
-	.init		= iq80321_timer_init,
-	.offset		= iop_gettimeoffset,
-};
-
 
 /*
  * IQ80321 I/O.
@@ -73,7 +68,7 @@ void __init iq80321_map_io(void)
  * IQ80321 PCI.
  */
 static int __init
-iq80321_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+iq80321_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
 {
 	int irq;
 
@@ -103,11 +98,10 @@ iq80321_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
 }
 
 static struct hw_pci iq80321_pci __initdata = {
-	.swizzle	= pci_std_swizzle,
 	.nr_controllers = 1,
+	.ops		= &iop3xx_ops,
 	.setup		= iop3xx_pci_setup,
 	.preinit	= iop3xx_pci_preinit_cond,
-	.scan		= iop3xx_pci_scan_bus,
 	.map_irq	= iq80321_pci_map_irq,
 };
 
@@ -177,6 +171,7 @@ static struct platform_device iq80321_serial_device = {
 
 static void __init iq80321_init_machine(void)
 {
+	register_iop32x_gpio();
 	platform_device_register(&iop3xx_i2c0_device);
 	platform_device_register(&iop3xx_i2c1_device);
 	platform_device_register(&iq80321_flash_device);
@@ -188,11 +183,10 @@ static void __init iq80321_init_machine(void)
 
 MACHINE_START(IQ80321, "Intel IQ80321")
 	/* Maintainer: Intel Corp. */
-	.phys_io	= IQ80321_UART,
-	.io_pg_offst	= ((IQ80321_UART) >> 18) & 0xfffc,
-	.boot_params	= 0xa0000100,
+	.atag_offset	= 0x100,
 	.map_io		= iq80321_map_io,
 	.init_irq	= iop32x_init_irq,
-	.timer		= &iq80321_timer,
+	.init_time	= iq80321_timer_init,
 	.init_machine	= iq80321_init_machine,
+	.restart	= iop3xx_restart,
 MACHINE_END
diff --git a/arch/arm/mach-iop32x/irq.c b/arch/arm/mach-iop32x/irq.c
index ba59b2d17db..d7ee2789d89 100644
--- a/arch/arm/mach-iop32x/irq.c
+++ b/arch/arm/mach-iop32x/irq.c
@@ -32,24 +32,24 @@ static void intstr_write(u32 val)
 }
 
 static void
-iop32x_irq_mask(unsigned int irq)
+iop32x_irq_mask(struct irq_data *d)
 {
-	iop32x_mask &= ~(1 << irq);
+	iop32x_mask &= ~(1 << d->irq);
 	intctl_write(iop32x_mask);
 }
 
 static void
-iop32x_irq_unmask(unsigned int irq)
+iop32x_irq_unmask(struct irq_data *d)
 {
-	iop32x_mask |= 1 << irq;
+	iop32x_mask |= 1 << d->irq;
 	intctl_write(iop32x_mask);
 }
 
 struct irq_chip ext_chip = {
-	.name	= "IOP32x",
-	.ack	= iop32x_irq_mask,
-	.mask	= iop32x_irq_mask,
-	.unmask	= iop32x_irq_unmask,
+	.name		= "IOP32x",
+	.irq_ack	= iop32x_irq_mask,
+	.irq_mask	= iop32x_irq_mask,
+	.irq_unmask	= iop32x_irq_unmask,
 };
 
 void __init iop32x_init_irq(void)
@@ -68,8 +68,7 @@ void __init iop32x_init_irq(void)
 		*IOP3XX_PCIIRSR = 0x0f;
 
 	for (i = 0; i < NR_IRQS; i++) {
-		set_irq_chip(i, &ext_chip);
-		set_irq_handler(i, handle_level_irq);
+		irq_set_chip_and_handler(i, &ext_chip, handle_level_irq);
 		set_irq_flags(i, IRQF_VALID | IRQF_PROBE);
 	}
 }
diff --git a/arch/arm/mach-iop32x/n2100.c b/arch/arm/mach-iop32x/n2100.c
index d2e42789972..c1cd80ecc21 100644
--- a/arch/arm/mach-iop32x/n2100.c
+++ b/arch/arm/mach-iop32x/n2100.c
@@ -23,7 +23,6 @@
 #include <linux/pci.h>
 #include <linux/pm.h>
 #include <linux/string.h>
-#include <linux/slab.h>
 #include <linux/serial_core.h>
 #include <linux/serial_8250.h>
 #include <linux/mtd/physmap.h>
@@ -31,6 +30,7 @@
 #include <linux/platform_device.h>
 #include <linux/reboot.h>
 #include <linux/io.h>
+#include <linux/gpio.h>
 #include <mach/hardware.h>
 #include <asm/irq.h>
 #include <asm/mach/arch.h>
@@ -41,6 +41,7 @@
 #include <asm/page.h>
 #include <asm/pgtable.h>
 #include <mach/time.h>
+#include "gpio-iop32x.h"
 
 /*
  * N2100 timer tick configuration.
@@ -51,11 +52,6 @@ static void __init n2100_timer_init(void)
 	iop_init_time(198000000);
 }
 
-static struct sys_timer n2100_timer = {
-	.init		= n2100_timer_init,
-	.offset		= iop_gettimeoffset,
-};
-
 
 /*
  * N2100 I/O.
@@ -80,7 +76,7 @@ void __init n2100_map_io(void)
  * N2100 PCI.
  */
 static int __init
-n2100_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+n2100_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
 {
 	int irq;
 
@@ -116,11 +112,10 @@ n2100_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
 }
 
 static struct hw_pci n2100_pci __initdata = {
-	.swizzle	= pci_std_swizzle,
 	.nr_controllers = 1,
+	.ops		= &iop3xx_ops,
 	.setup		= iop3xx_pci_setup,
 	.preinit	= iop3xx_pci_preinit,
-	.scan		= iop3xx_pci_scan_bus,
 	.map_irq	= n2100_pci_map_irq,
 };
 
@@ -178,7 +173,7 @@ static struct plat_serial8250_port n2100_serial_port[] = {
 		.mapbase	= N2100_UART,
 		.membase	= (char *)N2100_UART,
 		.irq		= 0,
-		.flags		= UPF_SKIP_TEST,
+		.flags		= UPF_SKIP_TEST | UPF_AUTO_IRQ | UPF_SHARE_IRQ,
 		.iotype		= UPIO_MEM,
 		.regshift	= 0,
 		.uartclk	= 1843200,
@@ -293,12 +288,26 @@ static void n2100_power_off(void)
 		;
 }
 
+static void n2100_restart(enum reboot_mode mode, const char *cmd)
+{
+	int ret;
+
+	ret = gpio_direction_output(N2100_HARDWARE_RESET, 0);
+	if (ret) {
+		pr_crit("could not drive reset GPIO low\n");
+		return;
+	}
+	/* Wait for reset to happen */
+	while (1)
+		;
+}
+
 
 static struct timer_list power_button_poll_timer;
 
 static void power_button_poll(unsigned long dummy)
 {
-	if (gpio_line_get(N2100_POWER_BUTTON) == 0) {
+	if (gpio_get_value(N2100_POWER_BUTTON) == 0) {
 		ctrl_alt_del();
 		return;
 	}
@@ -307,9 +316,37 @@ static void power_button_poll(unsigned long dummy)
 	add_timer(&power_button_poll_timer);
 }
 
+static int __init n2100_request_gpios(void)
+{
+	int ret;
+
+	if (!machine_is_n2100())
+		return 0;
+
+	ret = gpio_request(N2100_HARDWARE_RESET, "reset");
+	if (ret)
+		pr_err("could not request reset GPIO\n");
+
+	ret = gpio_request(N2100_POWER_BUTTON, "power");
+	if (ret)
+		pr_err("could not request power GPIO\n");
+	else {
+		ret = gpio_direction_input(N2100_POWER_BUTTON);
+		if (ret)
+			pr_err("could not set power GPIO as input\n");
+	}
+	/* Set up power button poll timer */
+	init_timer(&power_button_poll_timer);
+	power_button_poll_timer.function = power_button_poll;
+	power_button_poll_timer.expires = jiffies + (HZ / 10);
+	add_timer(&power_button_poll_timer);
+	return 0;
+}
+device_initcall(n2100_request_gpios);
 
 static void __init n2100_init_machine(void)
 {
+	register_iop32x_gpio();
 	platform_device_register(&iop3xx_i2c0_device);
 	platform_device_register(&n2100_flash_device);
 	platform_device_register(&n2100_serial_device);
@@ -320,20 +357,14 @@ static void __init n2100_init_machine(void)
 		ARRAY_SIZE(n2100_i2c_devices));
 
 	pm_power_off = n2100_power_off;
-
-	init_timer(&power_button_poll_timer);
-	power_button_poll_timer.function = power_button_poll;
-	power_button_poll_timer.expires = jiffies + (HZ / 10);
-	add_timer(&power_button_poll_timer);
 }
 
 MACHINE_START(N2100, "Thecus N2100")
 	/* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */
-	.phys_io	= N2100_UART,
-	.io_pg_offst	= ((N2100_UART) >> 18) & 0xfffc,
-	.boot_params	= 0xa0000100,
+	.atag_offset	= 0x100,
 	.map_io		= n2100_map_io,
 	.init_irq	= iop32x_init_irq,
-	.timer		= &n2100_timer,
+	.init_time	= n2100_timer_init,
 	.init_machine	= n2100_init_machine,
+	.restart	= n2100_restart,
 MACHINE_END