Merge branches 'at91', 'imx', 'iop', 'ixp', 'ks8695', 'misc', 'ns9xxx', 'pxa' and 's3c' into devel

MAINTAINERS

@@ -457,7 +457,7 @@ S:	Maintained
 
 ARM/HP JORNADA 7XX MACHINE SUPPORT
 P:      Kristoffer Ericson
-M:      kristoffer_e1@hotmail.com
+M:      kristoffer.ericson@gmail.com
 W:      www.jlime.com
 S:      Maintained
 

arch/arm/Kconfig

@@ -324,6 +324,12 @@ config ARCH_NS9XXX
 
 	  <http://www.digi.com/products/microprocessors/index.jsp>
 
+config ARCH_MXC
+	bool "Freescale MXC/iMX-based"
+	select ARCH_MTD_XIP
+	help
+	  Support for Freescale MXC/iMX-based family of processors
+
 config ARCH_PNX4008
 	bool "Philips Nexperia PNX4008 Mobile"
 	help
@@ -432,6 +438,7 @@ source "arch/arm/mach-omap1/Kconfig"
 source "arch/arm/mach-omap2/Kconfig"
 
 source "arch/arm/plat-s3c24xx/Kconfig"
+source "arch/arm/plat-s3c/Kconfig"
 
 if ARCH_S3C2410
 source "arch/arm/mach-s3c2400/Kconfig"
@@ -456,6 +463,8 @@ source "arch/arm/mach-realview/Kconfig"
 
 source "arch/arm/mach-at91/Kconfig"
 
+source "arch/arm/plat-mxc/Kconfig"
+
 source "arch/arm/mach-netx/Kconfig"
 
 source "arch/arm/mach-ns9xxx/Kconfig"

arch/arm/Kconfig.debug

@@ -82,24 +82,24 @@ config DEBUG_CLPS711X_UART2
 	  output to the second serial port on these devices.  Saying N will
 	  cause the debug messages to appear on the first serial port.
 
-config DEBUG_S3C2410_PORT
+config DEBUG_S3C_PORT
-	depends on DEBUG_LL && ARCH_S3C2410
+	depends on DEBUG_LL && PLAT_S3C
-	bool "Kernel low-level debugging messages via S3C2410 UART"
+	bool "Kernel low-level debugging messages via S3C UART"
 	help
 	  Say Y here if you want debug print routines to go to one of the
-	  S3C2410 internal UARTs. The chosen UART must have been configured
+	  S3C internal UARTs. The chosen UART must have been configured
 	  before it is used.
 
-config DEBUG_S3C2410_UART
+config DEBUG_S3C_UART
-	depends on ARCH_S3C2410
+	depends on PLAT_S3C
-	int "S3C2410 UART to use for low-level debug"
+	int "S3C UART to use for low-level debug"
 	default "0"
 	help
-	  Choice for UART for kernel low-level using S3C2410 UARTS,
+	  Choice for UART for kernel low-level using S3C UARTS,
 	  should be between zero and two. The port must have been
 	  initialised by the boot-loader before use.
 
 	  The uncompressor code port configuration is now handled
-	  by CONFIG_S3C2410_LOWLEVEL_UART_PORT.
+	  by CONFIG_S3C_LOWLEVEL_UART_PORT.
 
 endmenu

arch/arm/Makefile

@@ -137,6 +137,8 @@ endif
  textofs-$(CONFIG_ARCH_NS9XXX)	   := 0x00108000
  machine-$(CONFIG_ARCH_DAVINCI)	   := davinci
  machine-$(CONFIG_ARCH_KS8695)     := ks8695
+  incdir-$(CONFIG_ARCH_MXC)	   := mxc
+ machine-$(CONFIG_ARCH_MX3)	   := mx3
 
 ifeq ($(CONFIG_ARCH_EBSA110),y)
 # This is what happens if you forget the IOCS16 line.
@@ -183,6 +185,7 @@ core-$(CONFIG_VFP)		+= arch/arm/vfp/
 core-$(CONFIG_PLAT_IOP)		+= arch/arm/plat-iop/
 core-$(CONFIG_ARCH_OMAP)	+= arch/arm/plat-omap/
 core-$(CONFIG_PLAT_S3C24XX)		+= arch/arm/plat-s3c24xx/
+core-$(CONFIG_ARCH_MXC)		+= arch/arm/plat-mxc/
 
 drivers-$(CONFIG_OPROFILE)      += arch/arm/oprofile/
 drivers-$(CONFIG_ARCH_CLPS7500)	+= drivers/acorn/char/

arch/arm/boot/Makefile

@@ -91,4 +91,12 @@ zinstall: $(obj)/zImage
 	$(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \
 	$(obj)/zImage System.map "$(INSTALL_PATH)"
 
+zi:
+	$(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \
+	$(obj)/zImage System.map "$(INSTALL_PATH)"
+
+i:
+	$(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \
+	$(obj)/Image System.map "$(INSTALL_PATH)"
+
 subdir-	    := bootp compressed

arch/arm/boot/compressed/Makefile

@@ -73,7 +73,7 @@ SEDFLAGS	= s/TEXT_START/$(ZTEXTADDR)/;s/BSS_START/$(ZBSSADDR)/
 
 targets       := vmlinux vmlinux.lds piggy.gz piggy.o font.o font.c \
 		 head.o misc.o $(OBJS)
-EXTRA_CFLAGS  := -fpic
+EXTRA_CFLAGS  := -fpic -fno-builtin
 EXTRA_AFLAGS  :=
 
 # Supply ZRELADDR, INITRD_PHYS and PARAMS_PHYS to the decompressor via

arch/arm/boot/compressed/head.S

@@ -55,7 +55,7 @@
 #elif defined(CONFIG_ARCH_S3C2410)
 		.macro loadsp, rb
 		mov	\rb, #0x50000000
-		add	\rb, \rb, #0x4000 * CONFIG_S3C2410_LOWLEVEL_UART_PORT
+		add	\rb, \rb, #0x4000 * CONFIG_S3C_LOWLEVEL_UART_PORT
 		.endm
 #else
 		.macro	loadsp,	rb

arch/arm/configs/s3c2410_defconfig

@@ -138,11 +138,11 @@ CONFIG_ARCH_S3C2410=y
 CONFIG_PLAT_S3C24XX=y
 CONFIG_CPU_S3C244X=y
 CONFIG_PM_SIMTEC=y
-# CONFIG_S3C2410_BOOT_WATCHDOG is not set
+# CONFIG_S3C_BOOT_WATCHDOG is not set
-# CONFIG_S3C2410_BOOT_ERROR_RESET is not set
+# CONFIG_S3C_BOOT_ERROR_RESET is not set
 # CONFIG_S3C2410_PM_DEBUG is not set
 # CONFIG_S3C2410_PM_CHECK is not set
-CONFIG_S3C2410_LOWLEVEL_UART_PORT=0
+CONFIG_S3C_LOWLEVEL_UART_PORT=0
 CONFIG_S3C2410_DMA=y
 # CONFIG_S3C2410_DMA_DEBUG is not set
 CONFIG_MACH_SMDK=y
@@ -1392,8 +1392,8 @@ CONFIG_DEBUG_USER=y
 # CONFIG_DEBUG_ERRORS is not set
 CONFIG_DEBUG_LL=y
 # CONFIG_DEBUG_ICEDCC is not set
-CONFIG_DEBUG_S3C2410_PORT=y
+CONFIG_DEBUG_S3C_PORT=y
-CONFIG_DEBUG_S3C2410_UART=0
+CONFIG_DEBUG_S3C_UART=0
 
 #
 # Security options

arch/arm/mach-iop32x/Kconfig

@@ -42,6 +42,13 @@ config IOP3XX_ATU
           Say N if the IOP is an add in card, the host system owns the PCI
           bus in this case.
 
+config MACH_EM7210
+	bool "Enable support for the Lanner EM7210"
+	help
+	  Say Y here if you want to run your kernel on the Lanner EM7210
+	  board. Say also Y here if you have a SS4000e Baxter Creek NAS
+	  appliance."
+
 endmenu
 
 endif

arch/arm/mach-iop32x/Makefile

@@ -11,3 +11,4 @@ obj-$(CONFIG_MACH_GLANTANK) += glantank.o
 obj-$(CONFIG_ARCH_IQ80321) += iq80321.o
 obj-$(CONFIG_ARCH_IQ31244) += iq31244.o
 obj-$(CONFIG_MACH_N2100) += n2100.o
+obj-$(CONFIG_MACH_EM7210) += em7210.o

arch/arm/mach-iop32x/em7210.c

@@ -0,0 +1,215 @@
+/*
+ * arch/arm/mach-iop32x/em7210.c
+ *
+ * Board support code for the Lanner EM7210 platforms.
+ *
+ * Based on arch/arm/mach-iop32x/iq31244.c file.
+ *
+ * Copyright (C) 2007 Arnaud Patard <arnaud.patard@rtp-net.org>
+ *
+ * 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 <linux/mm.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/pci.h>
+#include <linux/pm.h>
+#include <linux/serial_core.h>
+#include <linux/serial_8250.h>
+#include <linux/mtd/physmap.h>
+#include <linux/platform_device.h>
+#include <linux/i2c.h>
+#include <asm/hardware.h>
+#include <linux/io.h>
+#include <linux/irq.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/pci.h>
+#include <asm/mach/time.h>
+#include <asm/mach-types.h>
+#include <asm/arch/time.h>
+
+static void __init em7210_timer_init(void)
+{
+	/* http://www.kwaak.net/fotos/fotos-nas/slide_24.html */
+	/* 33.333 MHz crystal.                                */
+	iop_init_time(200000000);
+}
+
+static struct sys_timer em7210_timer = {
+	.init		= em7210_timer_init,
+	.offset		= iop_gettimeoffset,
+};
+
+/*
+ * EM7210 RTC
+ */
+static struct i2c_board_info __initdata em7210_i2c_devices[] = {
+	{
+		I2C_BOARD_INFO("rtc-rs5c372", 0x32),
+		.type = "rs5c372a",
+	},
+};
+
+/*
+ * EM7210 I/O
+ */
+static struct map_desc em7210_io_desc[] __initdata = {
+	{	/* on-board devices */
+		.virtual	= IQ31244_UART,
+		.pfn		= __phys_to_pfn(IQ31244_UART),
+		.length		= 0x00100000,
+		.type		= MT_DEVICE,
+	},
+};
+
+void __init em7210_map_io(void)
+{
+	iop3xx_map_io();
+	iotable_init(em7210_io_desc, ARRAY_SIZE(em7210_io_desc));
+}
+
+
+/*
+ * EM7210 PCI
+ */
+#define INTA	IRQ_IOP32X_XINT0
+#define INTB	IRQ_IOP32X_XINT1
+#define INTC	IRQ_IOP32X_XINT2
+#define INTD	IRQ_IOP32X_XINT3
+
+static int __init
+em7210_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+{
+	static int pci_irq_table[][4] = {
+		/*
+		 * PCI IDSEL/INTPIN->INTLINE
+		 * A       B       C       D
+		 */
+		{INTB, INTB, INTB, INTB}, /* console / uart */
+		{INTA, INTA, INTA, INTA}, /* 1st 82541      */
+		{INTD, INTD, INTD, INTD}, /* 2nd 82541      */
+		{INTC, INTC, INTC, INTC}, /* GD31244        */
+		{INTD, INTA, INTA, INTA}, /* mini-PCI       */
+		{INTD, INTC, INTA, INTA}, /* NEC USB        */
+	};
+
+	if (pin < 1 || pin > 4)
+		return -1;
+
+	return pci_irq_table[slot % 6][pin - 1];
+}
+
+static struct hw_pci em7210_pci __initdata = {
+	.swizzle	= pci_std_swizzle,
+	.nr_controllers = 1,
+	.setup		= iop3xx_pci_setup,
+	.preinit	= iop3xx_pci_preinit,
+	.scan		= iop3xx_pci_scan_bus,
+	.map_irq	= em7210_pci_map_irq,
+};
+
+static int __init em7210_pci_init(void)
+{
+	if (machine_is_em7210())
+		pci_common_init(&em7210_pci);
+
+	return 0;
+}
+
+subsys_initcall(em7210_pci_init);
+
+
+/*
+ * EM7210 Flash
+ */
+static struct physmap_flash_data em7210_flash_data = {
+	.width		= 2,
+};
+
+static struct resource em7210_flash_resource = {
+	.start		= 0xf0000000,
+	.end		= 0xf1ffffff,
+	.flags		= IORESOURCE_MEM,
+};
+
+static struct platform_device em7210_flash_device = {
+	.name		= "physmap-flash",
+	.id		= 0,
+	.dev		= {
+		.platform_data	= &em7210_flash_data,
+	},
+	.num_resources	= 1,
+	.resource	= &em7210_flash_resource,
+};
+
+
+/*
+ * EM7210 UART
+ * The physical address of the serial port is 0xfe800000,
+ * so it can be used for physical and virtual address.
+ */
+static struct plat_serial8250_port em7210_serial_port[] = {
+	{
+		.mapbase	= IQ31244_UART,
+		.membase	= (char *)IQ31244_UART,
+		.irq		= IRQ_IOP32X_XINT1,
+		.flags		= UPF_SKIP_TEST,
+		.iotype		= UPIO_MEM,
+		.regshift	= 0,
+		.uartclk	= 1843200,
+	},
+	{ },
+};
+
+static struct resource em7210_uart_resource = {
+	.start		= IQ31244_UART,
+	.end		= IQ31244_UART + 7,
+	.flags		= IORESOURCE_MEM,
+};
+
+static struct platform_device em7210_serial_device = {
+	.name		= "serial8250",
+	.id		= PLAT8250_DEV_PLATFORM,
+	.dev		= {
+		.platform_data		= em7210_serial_port,
+	},
+	.num_resources	= 1,
+	.resource	= &em7210_uart_resource,
+};
+
+void em7210_power_off(void)
+{
+	*IOP3XX_GPOE &= 0xfe;
+	*IOP3XX_GPOD |= 0x01;
+}
+
+static void __init em7210_init_machine(void)
+{
+	platform_device_register(&em7210_serial_device);
+	platform_device_register(&iop3xx_i2c0_device);
+	platform_device_register(&iop3xx_i2c1_device);
+	platform_device_register(&em7210_flash_device);
+	platform_device_register(&iop3xx_dma_0_channel);
+	platform_device_register(&iop3xx_dma_1_channel);
+
+	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,
+	.map_io		= em7210_map_io,
+	.init_irq	= iop32x_init_irq,
+	.timer		= &em7210_timer,
+	.init_machine	= em7210_init_machine,
+MACHINE_END

arch/arm/mach-iop32x/irq.c

@@ -63,7 +63,8 @@ void __init iop32x_init_irq(void)
 	if (machine_is_glantank() ||
 	    machine_is_iq80321() ||
 	    machine_is_iq31244() ||
-	    machine_is_n2100())
+	    machine_is_n2100() ||
+	    machine_is_em7210())
 		*IOP3XX_PCIIRSR = 0x0f;
 
 	for (i = 0; i < NR_IRQS; i++) {

arch/arm/mach-ixp4xx/common.c

@@ -188,7 +188,7 @@ static int ixp4xx_set_irq_type(unsigned int irq, unsigned int type)
 	*int_reg |= (int_style << (line * IXP4XX_GPIO_STYLE_SIZE));
 
 	/* Configure the line as an input */
-	gpio_line_config(line, IXP4XX_GPIO_IN);
+	gpio_line_config(irq2gpio[irq], IXP4XX_GPIO_IN);
 
 	return 0;
 }

arch/arm/mach-ks8695/irq.c

@@ -23,7 +23,6 @@
 #include <linux/module.h>
 #include <linux/interrupt.h>
 #include <linux/ioport.h>
-#include <linux/ptrace.h>
 #include <linux/sysdev.h>
 
 #include <asm/hardware.h>

arch/arm/mach-mx3/Kconfig

@@ -0,0 +1,12 @@
+menu "MX3 Options"
+	depends on ARCH_MX3
+
+config MACH_MX31ADS
+	bool "Support MX31ADS platforms"
+	default y
+	help
+	  Include support for MX31ADS platform. This includes specific
+	  configurations for the board and its peripherals.
+
+endmenu
+

arch/arm/mach-mx3/Makefile

@@ -0,0 +1,8 @@
+#
+# Makefile for the linux kernel.
+#
+
+# Object file lists.
+
+obj-y			:= mm.o time.o
+obj-$(CONFIG_MACH_MX31ADS)	+= mx31ads.o

arch/arm/mach-mx3/Makefile.boot

@@ -0,0 +1,3 @@
+   zreladdr-y	:= 0x80008000
+params_phys-y	:= 0x80000100
+initrd_phys-y	:= 0x80800000

arch/arm/mach-mx3/mm.c

@@ -0,0 +1,64 @@
+/*
+ *  Copyright (C) 1999,2000 Arm Limited
+ *  Copyright (C) 2000 Deep Blue Solutions Ltd
+ *  Copyright (C) 2002 Shane Nay (shane@minirl.com)
+ *  Copyright 2005-2007 Freescale Semiconductor, Inc. All Rights Reserved.
+ *    - add MX31 specific definitions
+ *
+ * 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 program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include <linux/mm.h>
+#include <linux/init.h>
+#include <asm/hardware.h>
+#include <asm/pgtable.h>
+#include <asm/mach/map.h>
+#include <asm/arch/common.h>
+
+/*!
+ * @file mm.c
+ *
+ * @brief This file creates static virtual to physical mappings, common to all MX3 boards.
+ *
+ * @ingroup Memory
+ */
+
+/*!
+ * This table defines static virtual address mappings for I/O regions.
+ * These are the mappings common across all MX3 boards.
+ */
+static struct map_desc mxc_io_desc[] __initdata = {
+	{
+		.virtual	= X_MEMC_BASE_ADDR_VIRT,
+		.pfn		= __phys_to_pfn(X_MEMC_BASE_ADDR),
+		.length		= X_MEMC_SIZE,
+		.type		= MT_DEVICE
+	}, {
+		.virtual	= AVIC_BASE_ADDR_VIRT,
+		.pfn		= __phys_to_pfn(AVIC_BASE_ADDR),
+		.length		= AVIC_SIZE,
+		.type		= MT_NONSHARED_DEVICE
+	},
+};
+
+/*!
+ * This function initializes the memory map. It is called during the
+ * system startup to create static physical to virtual memory mappings
+ * for the IO modules.
+ */
+void __init mxc_map_io(void)
+{
+	iotable_init(mxc_io_desc, ARRAY_SIZE(mxc_io_desc));
+}

arch/arm/mach-mx3/mx31ads.c

@@ -0,0 +1,142 @@
+/*
+ *  Copyright (C) 2000 Deep Blue Solutions Ltd
+ *  Copyright (C) 2002 Shane Nay (shane@minirl.com)
+ *  Copyright 2005-2007 Freescale Semiconductor, Inc. All Rights Reserved.
+ *
+ * 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 program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include <linux/types.h>
+#include <linux/init.h>
+#include <linux/clk.h>
+#include <linux/serial_8250.h>
+
+#include <asm/hardware.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/memory.h>
+#include <asm/mach/map.h>
+#include <asm/arch/common.h>
+
+/*!
+ * @file mx31ads.c
+ *
+ * @brief This file contains the board-specific initialization routines.
+ *
+ * @ingroup System
+ */
+
+#if defined(CONFIG_SERIAL_8250) || defined(CONFIG_SERIAL_8250_MODULE)
+/*!
+ * The serial port definition structure.
+ */
+static struct plat_serial8250_port serial_platform_data[] = {
+	{
+		.membase  = (void *)(PBC_BASE_ADDRESS + PBC_SC16C652_UARTA),
+		.mapbase  = (unsigned long)(CS4_BASE_ADDR + PBC_SC16C652_UARTA),
+		.irq      = EXPIO_INT_XUART_INTA,
+		.uartclk  = 14745600,
+		.regshift = 0,
+		.iotype   = UPIO_MEM,
+		.flags    = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_AUTO_IRQ,
+	}, {
+		.membase  = (void *)(PBC_BASE_ADDRESS + PBC_SC16C652_UARTB),
+		.mapbase  = (unsigned long)(CS4_BASE_ADDR + PBC_SC16C652_UARTB),
+		.irq      = EXPIO_INT_XUART_INTB,
+		.uartclk  = 14745600,
+		.regshift = 0,
+		.iotype   = UPIO_MEM,
+		.flags    = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_AUTO_IRQ,
+	},
+	{},
+};
+
+static struct platform_device serial_device = {
+	.name	= "serial8250",
+	.id	= 0,
+	.dev	= {
+		.platform_data = serial_platform_data,
+	},
+};
+
+static int __init mxc_init_extuart(void)
+{
+	return platform_device_register(&serial_device);
+}
+#else
+static inline int mxc_init_extuart(void)
+{
+	return 0;
+}
+#endif
+
+/*!
+ * This structure defines static mappings for the i.MX31ADS board.
+ */
+static struct map_desc mx31ads_io_desc[] __initdata = {
+	{
+		.virtual	= AIPS1_BASE_ADDR_VIRT,
+		.pfn		= __phys_to_pfn(AIPS1_BASE_ADDR),
+		.length		= AIPS1_SIZE,
+		.type		= MT_NONSHARED_DEVICE
+	}, {
+		.virtual	= SPBA0_BASE_ADDR_VIRT,
+		.pfn		= __phys_to_pfn(SPBA0_BASE_ADDR),
+		.length		= SPBA0_SIZE,
+		.type		= MT_NONSHARED_DEVICE
+	}, {
+		.virtual	= AIPS2_BASE_ADDR_VIRT,
+		.pfn		= __phys_to_pfn(AIPS2_BASE_ADDR),
+		.length		= AIPS2_SIZE,
+		.type		= MT_NONSHARED_DEVICE
+	}, {
+		.virtual	= CS4_BASE_ADDR_VIRT,
+		.pfn		= __phys_to_pfn(CS4_BASE_ADDR),
+		.length		= CS4_SIZE / 2,
+		.type		= MT_DEVICE
+	},
+};
+
+/*!
+ * Set up static virtual mappings.
+ */
+void __init mx31ads_map_io(void)
+{
+	mxc_map_io();
+	iotable_init(mx31ads_io_desc, ARRAY_SIZE(mx31ads_io_desc));
+}
+
+/*!
+ * Board specific initialization.
+ */
+static void __init mxc_board_init(void)
+{
+	mxc_init_extuart();
+}
+
+/*
+ * The following uses standard kernel macros defined in arch.h in order to
+ * initialize __mach_desc_MX31ADS data structure.
+ */
+MACHINE_START(MX31ADS, "Freescale MX31ADS")
+	/* Maintainer: Freescale Semiconductor, Inc. */
+	.phys_io	= AIPS1_BASE_ADDR,
+	.io_pg_offst	= ((AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,
+	.boot_params    = PHYS_OFFSET + 0x100,
+	.map_io         = mx31ads_map_io,
+	.init_irq       = mxc_init_irq,
+	.init_machine   = mxc_board_init,
+	.timer          = &mxc_timer,
+MACHINE_END

arch/arm/mach-mx3/time.c

@@ -0,0 +1,152 @@
+/*
+ * System Timer Interrupt reconfigured to run in free-run mode.
+ * Author: Vitaly Wool
+ * Copyright 2004 MontaVista Software Inc.
+ * Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved.
+ */
+
+/*
+ * 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.
+ */
+
+/*!
+ * @file time.c
+ * @brief This file contains OS tick and wdog timer implementations.
+ *
+ * This file contains OS tick and wdog timer implementations.
+ *
+ * @ingroup Timers
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <asm/hardware.h>
+#include <asm/mach/time.h>
+#include <asm/io.h>
+#include <asm/arch/common.h>
+
+/*!
+ * This is the timer interrupt service routine to do required tasks.
+ * It also services the WDOG timer at the frequency of twice per WDOG
+ * timeout value. For example, if the WDOG's timeout value is 4 (2
+ * seconds since the WDOG runs at 0.5Hz), it will be serviced once
+ * every 2/2=1 second.
+ *
+ * @param  irq          GPT interrupt source number (not used)
+ * @param  dev_id       this parameter is not used
+ * @return always returns \b IRQ_HANDLED as defined in
+ *         include/linux/interrupt.h.
+ */
+static irqreturn_t mxc_timer_interrupt(int irq, void *dev_id)
+{
+	unsigned int next_match;
+
+	write_seqlock(&xtime_lock);
+
+	if (__raw_readl(MXC_GPT_GPTSR) & GPTSR_OF1) {
+		do {
+			timer_tick();
+			next_match = __raw_readl(MXC_GPT_GPTOCR1) + LATCH;
+			__raw_writel(GPTSR_OF1, MXC_GPT_GPTSR);
+			__raw_writel(next_match, MXC_GPT_GPTOCR1);
+		} while ((signed long)(next_match -
+				       __raw_readl(MXC_GPT_GPTCNT)) <= 0);
+	}
+
+	write_sequnlock(&xtime_lock);
+
+	return IRQ_HANDLED;
+}
+
+/*!
+ * This function is used to obtain the number of microseconds since the last
+ * timer interrupt. Note that interrupts is disabled by do_gettimeofday().
+ *
+ * @return the number of microseconds since the last timer interrupt.
+ */
+static unsigned long mxc_gettimeoffset(void)
+{
+	unsigned long ticks_to_match, elapsed, usec, tick_usec, i;
+
+	/* Get ticks before next timer match */
+	ticks_to_match =
+	    __raw_readl(MXC_GPT_GPTOCR1) - __raw_readl(MXC_GPT_GPTCNT);
+
+	/* We need elapsed ticks since last match */
+	elapsed = LATCH - ticks_to_match;
+
+	/* Now convert them to usec */
+	/* Insure no overflow when calculating the usec below */
+	for (i = 1, tick_usec = tick_nsec / 1000;; i *= 2) {
+		tick_usec /= i;
+		if ((0xFFFFFFFF / tick_usec) > elapsed)
+			break;
+	}
+	usec = (unsigned long)(elapsed * tick_usec) / (LATCH / i);
+
+	return usec;
+}
+
+/*!
+ * The OS tick timer interrupt structure.
+ */
+static struct irqaction timer_irq = {
+	.name = "MXC Timer Tick",
+	.flags = IRQF_DISABLED | IRQF_TIMER,
+	.handler = mxc_timer_interrupt
+};
+
+/*!
+ * This function is used to initialize the GPT to produce an interrupt
+ * based on HZ.  It is called by start_kernel() during system startup.
+ */
+void __init mxc_init_time(void)
+{
+	u32 reg, v;
+	reg = __raw_readl(MXC_GPT_GPTCR);
+	reg &= ~GPTCR_ENABLE;
+	__raw_writel(reg, MXC_GPT_GPTCR);
+	reg |= GPTCR_SWR;
+	__raw_writel(reg, MXC_GPT_GPTCR);
+
+	while ((__raw_readl(MXC_GPT_GPTCR) & GPTCR_SWR) != 0)
+		cpu_relax();
+
+	reg = GPTCR_FRR | GPTCR_CLKSRC_HIGHFREQ;
+	__raw_writel(reg, MXC_GPT_GPTCR);
+
+	/* TODO: get timer rate from clk driver */
+	v = 66500000;
+
+	__raw_writel((v / CLOCK_TICK_RATE) - 1, MXC_GPT_GPTPR);
+
+	if ((v % CLOCK_TICK_RATE) != 0) {
+		pr_info("\nWARNING: Can't generate CLOCK_TICK_RATE at %d Hz\n",
+			CLOCK_TICK_RATE);
+	}
+	pr_info("Actual CLOCK_TICK_RATE is %d Hz\n",
+		v / ((__raw_readl(MXC_GPT_GPTPR) & 0xFFF) + 1));
+
+	reg = __raw_readl(MXC_GPT_GPTCNT);
+	reg += LATCH;
+	__raw_writel(reg, MXC_GPT_GPTOCR1);
+
+	setup_irq(MXC_INT_GPT, &timer_irq);
+
+	reg = __raw_readl(MXC_GPT_GPTCR);
+	reg =
+	    GPTCR_FRR | GPTCR_CLKSRC_HIGHFREQ | GPTCR_STOPEN | GPTCR_DOZEN |
+	    GPTCR_WAITEN | GPTCR_ENMOD | GPTCR_ENABLE;
+	__raw_writel(reg, MXC_GPT_GPTCR);
+
+	__raw_writel(GPTIR_OF1IE, MXC_GPT_GPTIR);
+}
+
+struct sys_timer mxc_timer = {
+	.init = mxc_init_time,
+	.offset = mxc_gettimeoffset,
+};

arch/arm/mach-ns9xxx/Makefile

@@ -1,6 +1,7 @@
 obj-y := irq.o time.o generic.o
 
 obj-$(CONFIG_MACH_CC9P9360DEV) += mach-cc9p9360dev.o
+obj-$(CONFIG_MACH_CC9P9360JS) += mach-cc9p9360js.o
 
 obj-$(CONFIG_BOARD_A9M9750DEV) += board-a9m9750dev.o
 obj-$(CONFIG_BOARD_JSCC9P9360) += board-jscc9p9360.o

arch/arm/mach-ns9xxx/board-a9m9750dev.c

@@ -77,7 +77,7 @@ static void a9m9750dev_fpga_demux_handler(unsigned int irq,
 
 		desc = irq_desc + FPGA_IRQ(irqno);
 
-		desc_handle_irq(irqno, desc);
+		desc_handle_irq(FPGA_IRQ(irqno), desc);
 	}
 }
 
@@ -91,7 +91,7 @@ void __init board_a9m9750dev_init_irq(void)
 	 * use GPIO 11, because GPIO 32 is used for the LCD
 	 */
 	/* XXX: proper GPIO handling */
-	BBU_GC(2) &= ~0x2000;
+	BBU_GCONFb1(1) &= ~0x2000;
 
 	for (i = FPGA_IRQ(0); i <= FPGA_IRQ(7); ++i) {
 		set_irq_chip(i, &a9m9750dev_fpga_chip);
@@ -178,7 +178,7 @@ void __init board_a9m9750dev_init_machine(void)
 
 	/* setup static CS0: memory configuration */
 	reg = MEM_SMC(0);
-	REGSET(reg, MEM_SMC, WSMC, OFF);
+	REGSET(reg, MEM_SMC, PSMC, OFF);
 	REGSET(reg, MEM_SMC, BSMC, OFF);
 	REGSET(reg, MEM_SMC, EW, OFF);
 	REGSET(reg, MEM_SMC, PB, 1);
@@ -196,4 +196,3 @@ void __init board_a9m9750dev_init_machine(void)
 	platform_add_devices(board_a9m9750dev_devices,
 			ARRAY_SIZE(board_a9m9750dev_devices));
 }
-

arch/arm/mach-ns9xxx/generic.c

@@ -18,6 +18,8 @@
 #include <asm/arch-ns9xxx/regs-mem.h>
 #include <asm/arch-ns9xxx/board.h>
 
+#include "generic.h"
+
 static struct map_desc standard_io_desc[] __initdata = {
 	{ /* BBus */
 		.virtual = io_p2v(0x90000000),

arch/arm/mach-ns9xxx/irq.c

@@ -21,6 +21,15 @@ static void ns9xxx_ack_irq_timer(unsigned int irq)
 {
 	u32 tc = SYS_TC(irq - IRQ_TIMER0);
 
+	/*
+	 * If the timer is programmed to halt on terminal count, the
+	 * timer must be disabled before clearing the interrupt.
+	 */
+	if (REGGET(tc, SYS_TCx, REN) == 0) {
+		REGSET(tc, SYS_TCx, TEN, DIS);
+		SYS_TC(irq - IRQ_TIMER0) = tc;
+	}
+
 	REGSET(tc, SYS_TCx, INTC, SET);
 	SYS_TC(irq - IRQ_TIMER0) = tc;
 
@@ -28,7 +37,7 @@ static void ns9xxx_ack_irq_timer(unsigned int irq)
 	SYS_TC(irq - IRQ_TIMER0) = tc;
 }
 
-void (*ns9xxx_ack_irq_functions[NR_IRQS])(unsigned int) = {
+static void (*ns9xxx_ack_irq_functions[NR_IRQS])(unsigned int) = {
 	[IRQ_TIMER0] = ns9xxx_ack_irq_timer,
 	[IRQ_TIMER1] = ns9xxx_ack_irq_timer,
 	[IRQ_TIMER2] = ns9xxx_ack_irq_timer,

arch/arm/mach-ns9xxx/mach-cc9p9360js.c

@@ -20,7 +20,7 @@ static void __init mach_cc9p9360js_init_machine(void)
 	board_jscc9p9360_init_machine();
 }
 
-MACHINE_START(CC9P9360DEV, "Digi ConnectCore 9P 9360 on an JSCC9P9360 Devboard")
+MACHINE_START(CC9P9360JS, "Digi ConnectCore 9P 9360 on an JSCC9P9360 Devboard")
 	.map_io = ns9xxx_map_io,
 	.init_irq = ns9xxx_init_irq,
 	.init_machine = mach_cc9p9360js_init_machine,

arch/arm/mach-pxa/Kconfig

@@ -37,6 +37,10 @@ config MACH_TRIZEPS4
 	bool "Keith und Koep Trizeps4 DIMM-Module"
 	select PXA27x
 
+config MACH_EM_X270
+	bool "CompuLab EM-x270 platform"
+	select PXA27x
+
 endchoice
 
 if PXA_SHARPSL

arch/arm/mach-pxa/Makefile

@@ -18,6 +18,7 @@ obj-$(CONFIG_PXA_SHARP_Cxx00)	+= spitz.o corgi_ssp.o corgi_lcd.o sharpsl_pm.o sp
 obj-$(CONFIG_MACH_AKITA)	+= akita-ioexp.o
 obj-$(CONFIG_MACH_POODLE)	+= poodle.o corgi_ssp.o
 obj-$(CONFIG_MACH_TOSA)         += tosa.o
+obj-$(CONFIG_MACH_EM_X270) += em-x270.o
 
 # Support for blinky lights
 led-y := leds.o

arch/arm/mach-pxa/devices.h

@@ -1,11 +1,11 @@
-extern struct platform_device pxamci_device;
+extern struct platform_device pxa_device_mci;
-extern struct platform_device pxaudc_device;
+extern struct platform_device pxa_device_udc;
-extern struct platform_device pxafb_device;
+extern struct platform_device pxa_device_fb;
-extern struct platform_device ffuart_device;
+extern struct platform_device pxa_device_ffuart;
-extern struct platform_device btuart_device;
+extern struct platform_device pxa_device_btuart;
-extern struct platform_device stuart_device;
+extern struct platform_device pxa_device_stuart;
-extern struct platform_device hwuart_device;
+extern struct platform_device pxa_device_hwuart;
-extern struct platform_device pxai2c_device;
+extern struct platform_device pxa_device_i2c;
-extern struct platform_device pxai2s_device;
+extern struct platform_device pxa_device_i2s;
-extern struct platform_device pxaficp_device;
+extern struct platform_device pxa_device_ficp;
-extern struct platform_device pxartc_device;
+extern struct platform_device pxa_device_rtc;

arch/arm/mach-pxa/em-x270.c

@@ -0,0 +1,354 @@
+/*
+ * Support for CompuLab EM-x270 platform
+ *
+ * Copyright (C) 2007 CompuLab, Ltd.
+ * Author: Mike Rapoport <mike@compulab.co.il>
+ *
+ * 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 <linux/irq.h>
+#include <linux/platform_device.h>
+
+#include <linux/dm9000.h>
+#include <linux/rtc-v3020.h>
+
+#include <linux/mtd/nand.h>
+#include <linux/mtd/partitions.h>
+
+#include <asm/mach-types.h>
+
+#include <asm/mach/arch.h>
+
+#include <asm/arch/pxa-regs.h>
+#include <asm/arch/pxafb.h>
+#include <asm/arch/ohci.h>
+#include <asm/arch/mmc.h>
+#include <asm/arch/bitfield.h>
+
+#include "generic.h"
+
+/* GPIO IRQ usage */
+#define EM_X270_MMC_PD		(105)
+#define EM_X270_ETHIRQ		IRQ_GPIO(41)
+#define EM_X270_MMC_IRQ		IRQ_GPIO(13)
+
+static struct resource em_x270_dm9k_resource[] = {
+	[0] = {
+		.start = PXA_CS2_PHYS,
+		.end   = PXA_CS2_PHYS + 3,
+		.flags = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start = PXA_CS2_PHYS + 8,
+		.end   = PXA_CS2_PHYS + 8 + 0x3f,
+		.flags = IORESOURCE_MEM,
+	},
+	[2] = {
+		.start = EM_X270_ETHIRQ,
+		.end   = EM_X270_ETHIRQ,
+		.flags = IORESOURCE_IRQ,
+	}
+};
+
+/* for the moment we limit ourselves to 32bit IO until some
+ * better IO routines can be written and tested
+ */
+static struct dm9000_plat_data em_x270_dm9k_platdata = {
+	.flags		= DM9000_PLATF_32BITONLY,
+};
+
+/* Ethernet device */
+static struct platform_device em_x270_dm9k = {
+	.name		= "dm9000",
+	.id		= 0,
+	.num_resources	= ARRAY_SIZE(em_x270_dm9k_resource),
+	.resource	= em_x270_dm9k_resource,
+	.dev		= {
+		.platform_data = &em_x270_dm9k_platdata,
+	}
+};
+
+/* audio device */
+static struct platform_device em_x270_audio = {
+	.name		= "pxa2xx-ac97",
+	.id		= -1,
+};
+
+/* WM9712 touchscreen controller. Hopefully the driver will make it to
+ * the mainstream sometime */
+static struct platform_device em_x270_ts = {
+	.name		= "wm97xx-ts",
+	.id		= -1,
+};
+
+/* RTC */
+static struct resource em_x270_v3020_resource[] = {
+	[0] = {
+		.start = PXA_CS4_PHYS,
+		.end   = PXA_CS4_PHYS + 3,
+		.flags = IORESOURCE_MEM,
+	},
+};
+
+static struct v3020_platform_data em_x270_v3020_platdata = {
+	.leftshift = 0,
+};
+
+static struct platform_device em_x270_rtc = {
+	.name		= "v3020",
+	.num_resources	= ARRAY_SIZE(em_x270_v3020_resource),
+	.resource	= em_x270_v3020_resource,
+	.id		= -1,
+	.dev		= {
+		.platform_data = &em_x270_v3020_platdata,
+	}
+};
+
+/* NAND flash */
+#define GPIO_NAND_CS	(11)
+#define GPIO_NAND_RB	(56)
+
+static inline void nand_cs_on(void)
+{
+	GPCR(GPIO_NAND_CS) = GPIO_bit(GPIO_NAND_CS);
+}
+
+static void nand_cs_off(void)
+{
+	dsb();
+
+	GPSR(GPIO_NAND_CS) = GPIO_bit(GPIO_NAND_CS);
+}
+
+/* hardware specific access to control-lines */
+static void em_x270_nand_cmd_ctl(struct mtd_info *mtd, int dat,
+				 unsigned int ctrl)
+{
+	struct nand_chip *this = mtd->priv;
+	unsigned long nandaddr = (unsigned long)this->IO_ADDR_W;
+
+	dsb();
+
+	if (ctrl & NAND_CTRL_CHANGE) {
+		if (ctrl & NAND_ALE)
+			nandaddr |=  (1 << 3);
+		else
+			nandaddr &= ~(1 << 3);
+		if (ctrl & NAND_CLE)
+			nandaddr |=  (1 << 2);
+		else
+			nandaddr &= ~(1 << 2);
+		if (ctrl & NAND_NCE)
+			nand_cs_on();
+		else
+			nand_cs_off();
+	}
+
+	dsb();
+	this->IO_ADDR_W = (void __iomem *)nandaddr;
+	if (dat != NAND_CMD_NONE)
+		writel(dat, this->IO_ADDR_W);
+
+	dsb();
+}
+
+/* read device ready pin */
+static int em_x270_nand_device_ready(struct mtd_info *mtd)
+{
+	dsb();
+
+	return GPLR(GPIO_NAND_RB) & GPIO_bit(GPIO_NAND_RB);
+}
+
+static struct mtd_partition em_x270_partition_info[] = {
+	[0] = {
+		.name	= "em_x270-0",
+		.offset	= 0,
+		.size	= SZ_4M,
+	},
+	[1] = {
+		.name	= "em_x270-1",
+		.offset	= MTDPART_OFS_APPEND,
+		.size	= MTDPART_SIZ_FULL
+	},
+};
+
+static const char *em_x270_part_probes[] = { "cmdlinepart", NULL };
+
+struct platform_nand_data em_x270_nand_platdata = {
+	.chip = {
+		.nr_chips = 1,
+		.chip_offset = 0,
+		.nr_partitions = ARRAY_SIZE(em_x270_partition_info),
+		.partitions = em_x270_partition_info,
+		.chip_delay = 20,
+		.part_probe_types = em_x270_part_probes,
+	},
+	.ctrl = {
+		.hwcontrol = 0,
+		.dev_ready = em_x270_nand_device_ready,
+		.select_chip = 0,
+		.cmd_ctrl = em_x270_nand_cmd_ctl,
+	},
+};
+
+static struct resource em_x270_nand_resource[] = {
+	[0] = {
+		.start = PXA_CS1_PHYS,
+		.end   = PXA_CS1_PHYS + 12,
+		.flags = IORESOURCE_MEM,
+	},
+};
+
+static struct platform_device em_x270_nand = {
+	.name		= "gen_nand",
+	.num_resources	= ARRAY_SIZE(em_x270_nand_resource),
+	.resource	= em_x270_nand_resource,
+	.id		= -1,
+	.dev		= {
+		.platform_data = &em_x270_nand_platdata,
+	}
+};
+
+/* platform devices */
+static struct platform_device *platform_devices[] __initdata = {
+	&em_x270_dm9k,
+	&em_x270_audio,
+	&em_x270_ts,
+	&em_x270_rtc,
+	&em_x270_nand,
+};
+
+
+/* PXA27x OHCI controller setup */
+static int em_x270_ohci_init(struct device *dev)
+{
+	/* Set the Power Control Polarity Low */
+	UHCHR = (UHCHR | UHCHR_PCPL) &
+		~(UHCHR_SSEP1 | UHCHR_SSEP2 | UHCHR_SSE);
+
+	/* enable port 2 transiever */
+	UP2OCR = UP2OCR_HXS | UP2OCR_HXOE;
+
+	return 0;
+}
+
+static struct pxaohci_platform_data em_x270_ohci_platform_data = {
+	.port_mode	= PMM_PERPORT_MODE,
+	.init		= em_x270_ohci_init,
+};
+
+
+static int em_x270_mci_init(struct device *dev,
+			    irq_handler_t em_x270_detect_int,
+			    void *data)
+{
+	int err;
+
+	/* setup GPIO for PXA27x MMC controller */
+	pxa_gpio_mode(GPIO32_MMCCLK_MD);
+	pxa_gpio_mode(GPIO112_MMCCMD_MD);
+	pxa_gpio_mode(GPIO92_MMCDAT0_MD);
+	pxa_gpio_mode(GPIO109_MMCDAT1_MD);
+	pxa_gpio_mode(GPIO110_MMCDAT2_MD);
+	pxa_gpio_mode(GPIO111_MMCDAT3_MD);
+
+	/* EM-X270 uses GPIO13 as SD power enable */
+	pxa_gpio_mode(EM_X270_MMC_PD | GPIO_OUT);
+
+	err = request_irq(EM_X270_MMC_IRQ, em_x270_detect_int,
+			  IRQF_DISABLED | IRQF_TRIGGER_FALLING,
+			  "MMC card detect", data);
+	if (err) {
+		printk(KERN_ERR "%s: can't request MMC card detect IRQ: %d\n",
+		       __FUNCTION__, err);
+		return err;
+	}
+
+	return 0;
+}
+
+static void em_x270_mci_setpower(struct device *dev, unsigned int vdd)
+{
+	/*
+	   FIXME: current hardware implementation does not allow to
+	   enable/disable MMC power. This will be fixed in next HW releases,
+	   and we'll need to add implmentation here.
+	*/
+	return;
+}
+
+static void em_x270_mci_exit(struct device *dev, void *data)
+{
+	free_irq(EM_X270_MMC_IRQ, data);
+}
+
+static struct pxamci_platform_data em_x270_mci_platform_data = {
+	.ocr_mask	= MMC_VDD_28_29|MMC_VDD_29_30|MMC_VDD_30_31,
+	.init 		= em_x270_mci_init,
+	.setpower 	= em_x270_mci_setpower,
+	.exit		= em_x270_mci_exit,
+};
+
+/* LCD 480x640 */
+static struct pxafb_mode_info em_x270_lcd_mode = {
+	.pixclock	= 50000,
+	.bpp		= 16,
+	.xres		= 480,
+	.yres		= 640,
+	.hsync_len	= 8,
+	.vsync_len	= 2,
+	.left_margin	= 8,
+	.upper_margin	= 0,
+	.right_margin	= 24,
+	.lower_margin	= 4,
+	.cmap_greyscale	= 0,
+};
+
+static struct pxafb_mach_info em_x270_lcd = {
+	.modes		= &em_x270_lcd_mode,
+	.num_modes	= 1,
+	.cmap_inverse	= 0,
+	.cmap_static	= 0,
+	.lccr0		= LCCR0_PAS,
+	.lccr3		= LCCR3_PixClkDiv(0x01) | LCCR3_Acb(0xff),
+};
+
+static void __init em_x270_init(void)
+{
+	/* setup LCD */
+	set_pxa_fb_info(&em_x270_lcd);
+
+	/* register EM-X270 platform devices */
+	platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
+
+	/* set MCI and OHCI platform parameters */
+	pxa_set_mci_info(&em_x270_mci_platform_data);
+	pxa_set_ohci_info(&em_x270_ohci_platform_data);
+
+	/* setup STUART GPIOs */
+	pxa_gpio_mode(GPIO46_STRXD_MD);
+	pxa_gpio_mode(GPIO47_STTXD_MD);
+
+	/* setup BTUART GPIOs */
+	pxa_gpio_mode(GPIO42_BTRXD_MD);
+	pxa_gpio_mode(GPIO43_BTTXD_MD);
+	pxa_gpio_mode(GPIO44_BTCTS_MD);
+	pxa_gpio_mode(GPIO45_BTRTS_MD);
+
+	/* Setup interrupt for dm9000 */
+	set_irq_type(EM_X270_ETHIRQ, IRQT_RISING);
+}
+
+MACHINE_START(EM_X270, "Compulab EM-x270")
+	.boot_params	= 0xa0000100,
+	.phys_io	= 0x40000000,
+	.io_pg_offst	= (io_p2v(0x40000000) >> 18) & 0xfffc,
+	.map_io		= pxa_map_io,
+	.init_irq	= pxa27x_init_irq,
+	.timer		= &pxa_timer,
+	.init_machine	= em_x270_init,
+MACHINE_END

arch/arm/mach-pxa/generic.c

@@ -243,7 +243,7 @@ static struct resource pxamci_resources[] = {
 
 static u64 pxamci_dmamask = 0xffffffffUL;
 
-struct platform_device pxamci_device = {
+struct platform_device pxa_device_mci = {
 	.name		= "pxa2xx-mci",
 	.id		= -1,
 	.dev		= {
@@ -256,7 +256,7 @@ struct platform_device pxamci_device = {
 
 void __init pxa_set_mci_info(struct pxamci_platform_data *info)
 {
-	pxamci_device.dev.platform_data = info;
+	pxa_device_mci.dev.platform_data = info;
 }
 
 
@@ -282,7 +282,7 @@ static struct resource pxa2xx_udc_resources[] = {
 
 static u64 udc_dma_mask = ~(u32)0;
 
-struct platform_device pxaudc_device = {
+struct platform_device pxa_device_udc = {
 	.name		= "pxa2xx-udc",
 	.id		= -1,
 	.resource	= pxa2xx_udc_resources,
@@ -308,7 +308,7 @@ static struct resource pxafb_resources[] = {
 
 static u64 fb_dma_mask = ~(u64)0;
 
-struct platform_device pxafb_device = {
+struct platform_device pxa_device_fb = {
 	.name		= "pxa2xx-fb",
 	.id		= -1,
 	.dev		= {
@@ -321,27 +321,27 @@ struct platform_device pxafb_device = {
 
 void __init set_pxa_fb_info(struct pxafb_mach_info *info)
 {
-	pxafb_device.dev.platform_data = info;
+	pxa_device_fb.dev.platform_data = info;
 }
 
 void __init set_pxa_fb_parent(struct device *parent_dev)
 {
-	pxafb_device.dev.parent = parent_dev;
+	pxa_device_fb.dev.parent = parent_dev;
 }
 
-struct platform_device ffuart_device = {
+struct platform_device pxa_device_ffuart= {
 	.name		= "pxa2xx-uart",
 	.id		= 0,
 };
-struct platform_device btuart_device = {
+struct platform_device pxa_device_btuart = {
 	.name		= "pxa2xx-uart",
 	.id		= 1,
 };
-struct platform_device stuart_device = {
+struct platform_device pxa_device_stuart = {
 	.name		= "pxa2xx-uart",
 	.id		= 2,
 };
-struct platform_device hwuart_device = {
+struct platform_device pxa_device_hwuart = {
 	.name		= "pxa2xx-uart",
 	.id		= 3,
 };
@@ -358,7 +358,7 @@ static struct resource pxai2c_resources[] = {
 	},
 };
 
-struct platform_device pxai2c_device = {
+struct platform_device pxa_device_i2c = {
 	.name		= "pxa2xx-i2c",
 	.id		= 0,
 	.resource	= pxai2c_resources,
@@ -367,7 +367,7 @@ struct platform_device pxai2c_device = {
 
 void __init pxa_set_i2c_info(struct i2c_pxa_platform_data *info)
 {
-	pxai2c_device.dev.platform_data = info;
+	pxa_device_i2c.dev.platform_data = info;
 }
 
 static struct resource pxai2s_resources[] = {
@@ -382,7 +382,7 @@ static struct resource pxai2s_resources[] = {
 	},
 };
 
-struct platform_device pxai2s_device = {
+struct platform_device pxa_device_i2s = {
 	.name		= "pxa2xx-i2s",
 	.id		= -1,
 	.resource	= pxai2s_resources,
@@ -391,7 +391,7 @@ struct platform_device pxai2s_device = {
 
 static u64 pxaficp_dmamask = ~(u32)0;
 
-struct platform_device pxaficp_device = {
+struct platform_device pxa_device_ficp = {
 	.name		= "pxa2xx-ir",
 	.id		= -1,
 	.dev		= {
@@ -402,10 +402,10 @@ struct platform_device pxaficp_device = {
 
 void __init pxa_set_ficp_info(struct pxaficp_platform_data *info)
 {
-	pxaficp_device.dev.platform_data = info;
+	pxa_device_ficp.dev.platform_data = info;
 }
 
-struct platform_device pxartc_device = {
+struct platform_device pxa_device_rtc = {
 	.name		= "sa1100-rtc",
 	.id		= -1,
 };

arch/arm/mach-pxa/pm.c

@@ -24,61 +24,13 @@
 #include <asm/arch/lubbock.h>
 #include <asm/mach/time.h>
 
-
+struct pxa_cpu_pm_fns *pxa_cpu_pm_fns;
-/*
+static unsigned long *sleep_save;
- * Debug macros
- */
-#undef DEBUG
-
-#define SAVE(x)		sleep_save[SLEEP_SAVE_##x] = x
-#define RESTORE(x)	x = sleep_save[SLEEP_SAVE_##x]
-
-#define RESTORE_GPLEVEL(n) do { \
-	GPSR##n = sleep_save[SLEEP_SAVE_GPLR##n]; \
-	GPCR##n = ~sleep_save[SLEEP_SAVE_GPLR##n]; \
-} while (0)
-
-/*
- * List of global PXA peripheral registers to preserve.
- * More ones like CP and general purpose register values are preserved
- * with the stack pointer in sleep.S.
- */
-enum {	SLEEP_SAVE_START = 0,
-
-	SLEEP_SAVE_GPLR0, SLEEP_SAVE_GPLR1, SLEEP_SAVE_GPLR2, SLEEP_SAVE_GPLR3,
-	SLEEP_SAVE_GPDR0, SLEEP_SAVE_GPDR1, SLEEP_SAVE_GPDR2, SLEEP_SAVE_GPDR3,
-	SLEEP_SAVE_GRER0, SLEEP_SAVE_GRER1, SLEEP_SAVE_GRER2, SLEEP_SAVE_GRER3,
-	SLEEP_SAVE_GFER0, SLEEP_SAVE_GFER1, SLEEP_SAVE_GFER2, SLEEP_SAVE_GFER3,
-	SLEEP_SAVE_PGSR0, SLEEP_SAVE_PGSR1, SLEEP_SAVE_PGSR2, SLEEP_SAVE_PGSR3,
-
-	SLEEP_SAVE_GAFR0_L, SLEEP_SAVE_GAFR0_U,
-	SLEEP_SAVE_GAFR1_L, SLEEP_SAVE_GAFR1_U,
-	SLEEP_SAVE_GAFR2_L, SLEEP_SAVE_GAFR2_U,
-	SLEEP_SAVE_GAFR3_L, SLEEP_SAVE_GAFR3_U,
-
-	SLEEP_SAVE_PSTR,
-
-	SLEEP_SAVE_ICMR,
-	SLEEP_SAVE_CKEN,
-
-#ifdef CONFIG_PXA27x
- 	SLEEP_SAVE_MDREFR,
- 	SLEEP_SAVE_PWER, SLEEP_SAVE_PCFR, SLEEP_SAVE_PRER,
- 	SLEEP_SAVE_PFER, SLEEP_SAVE_PKWR,
-#endif
-
-	SLEEP_SAVE_CKSUM,
-
-	SLEEP_SAVE_SIZE
-};
-
 
 int pxa_pm_enter(suspend_state_t state)
 {
-	unsigned long sleep_save[SLEEP_SAVE_SIZE];
+	unsigned long sleep_save_checksum = 0, checksum = 0;
-	unsigned long checksum = 0;
 	int i;
-	extern void pxa_cpu_pm_enter(suspend_state_t state);
 
 #ifdef CONFIG_IWMMXT
 	/* force any iWMMXt context to ram **/
@@ -86,100 +38,35 @@ int pxa_pm_enter(suspend_state_t state)
 		iwmmxt_task_disable(NULL);
 #endif
 
-	SAVE(GPLR0); SAVE(GPLR1); SAVE(GPLR2);
+	pxa_cpu_pm_fns->save(sleep_save);
-	SAVE(GPDR0); SAVE(GPDR1); SAVE(GPDR2);
-	SAVE(GRER0); SAVE(GRER1); SAVE(GRER2);
-	SAVE(GFER0); SAVE(GFER1); SAVE(GFER2);
-	SAVE(PGSR0); SAVE(PGSR1); SAVE(PGSR2);
-
-	SAVE(GAFR0_L); SAVE(GAFR0_U);
-	SAVE(GAFR1_L); SAVE(GAFR1_U);
-	SAVE(GAFR2_L); SAVE(GAFR2_U);
-
-#ifdef CONFIG_PXA27x
-	SAVE(MDREFR);
-	SAVE(GPLR3); SAVE(GPDR3); SAVE(GRER3); SAVE(GFER3); SAVE(PGSR3);
-	SAVE(GAFR3_L); SAVE(GAFR3_U);
-	SAVE(PWER); SAVE(PCFR); SAVE(PRER);
-	SAVE(PFER); SAVE(PKWR);
-#endif
-
-	SAVE(ICMR);
-	ICMR = 0;
-
-	SAVE(CKEN);
-	SAVE(PSTR);
-
-	/* Note: wake up source are set up in each machine specific files */
-
-	/* clear GPIO transition detect  bits */
-	GEDR0 = GEDR0; GEDR1 = GEDR1; GEDR2 = GEDR2;
-#ifdef CONFIG_PXA27x
-	GEDR3 = GEDR3;
-#endif
 
 	/* Clear sleep reset status */
 	RCSR = RCSR_SMR;
 
 	/* before sleeping, calculate and save a checksum */
-	for (i = 0; i < SLEEP_SAVE_SIZE - 1; i++)
+	for (i = 0; i < pxa_cpu_pm_fns->save_size - 1; i++)
-		checksum += sleep_save[i];
+		sleep_save_checksum += sleep_save[i];
-	sleep_save[SLEEP_SAVE_CKSUM] = checksum;
 
 	/* *** go zzz *** */
-	pxa_cpu_pm_enter(state);
+	pxa_cpu_pm_fns->enter(state);
-
 	cpu_init();
 
 	/* after sleeping, validate the checksum */
-	checksum = 0;
+	for (i = 0; i < pxa_cpu_pm_fns->save_size - 1; i++)
-	for (i = 0; i < SLEEP_SAVE_SIZE - 1; i++)
 		checksum += sleep_save[i];
 
 	/* if invalid, display message and wait for a hardware reset */
-	if (checksum != sleep_save[SLEEP_SAVE_CKSUM]) {
+	if (checksum != sleep_save_checksum) {
 #ifdef CONFIG_ARCH_LUBBOCK
 		LUB_HEXLED = 0xbadbadc5;
 #endif
 		while (1)
-			pxa_cpu_pm_enter(state);
+			pxa_cpu_pm_fns->enter(state);
 	}
 
-	/* ensure not to come back here if it wasn't intended */
+	pxa_cpu_pm_fns->restore(sleep_save);
-	PSPR = 0;
 
-	/* restore registers */
+	pr_debug("*** made it back from resume\n");
-	RESTORE_GPLEVEL(0); RESTORE_GPLEVEL(1); RESTORE_GPLEVEL(2);
-	RESTORE(GPDR0); RESTORE(GPDR1); RESTORE(GPDR2);
-	RESTORE(GAFR0_L); RESTORE(GAFR0_U);
-	RESTORE(GAFR1_L); RESTORE(GAFR1_U);
-	RESTORE(GAFR2_L); RESTORE(GAFR2_U);
-	RESTORE(GRER0); RESTORE(GRER1); RESTORE(GRER2);
-	RESTORE(GFER0); RESTORE(GFER1); RESTORE(GFER2);
-	RESTORE(PGSR0); RESTORE(PGSR1); RESTORE(PGSR2);
-
-#ifdef CONFIG_PXA27x
-	RESTORE(MDREFR);
-	RESTORE_GPLEVEL(3); RESTORE(GPDR3);
-	RESTORE(GAFR3_L); RESTORE(GAFR3_U);
-	RESTORE(GRER3); RESTORE(GFER3); RESTORE(PGSR3);
-	RESTORE(PWER); RESTORE(PCFR); RESTORE(PRER);
-	RESTORE(PFER); RESTORE(PKWR);
-#endif
-
-	PSSR = PSSR_RDH | PSSR_PH;
-
-	RESTORE(CKEN);
-
-	ICLR = 0;
-	ICCR = 1;
-	RESTORE(ICMR);
-
-	RESTORE(PSTR);
-
-#ifdef DEBUG
-	printk(KERN_DEBUG "*** made it back from resume\n");
-#endif
 
 	return 0;
 }
@@ -190,3 +77,35 @@ unsigned long sleep_phys_sp(void *sp)
 {
 	return virt_to_phys(sp);
 }
+
+static int pxa_pm_valid(suspend_state_t state)
+{
+	if (pxa_cpu_pm_fns)
+		return pxa_cpu_pm_fns->valid(state);
+
+	return -EINVAL;
+}
+
+static struct pm_ops pxa_pm_ops = {
+	.valid		= pxa_pm_valid,
+	.enter		= pxa_pm_enter,
+};
+
+static int __init pxa_pm_init(void)
+{
+	if (!pxa_cpu_pm_fns) {
+		printk(KERN_ERR "no valid pxa_cpu_pm_fns defined\n");
+		return -EINVAL;
+	}
+
+	sleep_save = kmalloc(pxa_cpu_pm_fns->save_size, GFP_KERNEL);
+	if (!sleep_save) {
+		printk(KERN_ERR "failed to alloc memory for pm save\n");
+		return -ENOMEM;
+	}
+
+	pm_set_ops(&pxa_pm_ops);
+	return 0;
+}
+
+device_initcall(pxa_pm_init);

arch/arm/mach-pxa/pxa25x.c

@@ -110,26 +110,99 @@ EXPORT_SYMBOL(get_lcdclk_frequency_10khz);
 
 #ifdef CONFIG_PM
 
-void pxa_cpu_pm_enter(suspend_state_t state)
+#define SAVE(x)		sleep_save[SLEEP_SAVE_##x] = x
-{
+#define RESTORE(x)	x = sleep_save[SLEEP_SAVE_##x]
-	extern void pxa_cpu_suspend(unsigned int);
-	extern void pxa_cpu_resume(void);
 
+#define RESTORE_GPLEVEL(n) do { \
+	GPSR##n = sleep_save[SLEEP_SAVE_GPLR##n]; \
+	GPCR##n = ~sleep_save[SLEEP_SAVE_GPLR##n]; \
+} while (0)
+
+/*
+ * List of global PXA peripheral registers to preserve.
+ * More ones like CP and general purpose register values are preserved
+ * with the stack pointer in sleep.S.
+ */
+enum {	SLEEP_SAVE_START = 0,
+
+	SLEEP_SAVE_GPLR0, SLEEP_SAVE_GPLR1, SLEEP_SAVE_GPLR2,
+	SLEEP_SAVE_GPDR0, SLEEP_SAVE_GPDR1, SLEEP_SAVE_GPDR2,
+	SLEEP_SAVE_GRER0, SLEEP_SAVE_GRER1, SLEEP_SAVE_GRER2,
+	SLEEP_SAVE_GFER0, SLEEP_SAVE_GFER1, SLEEP_SAVE_GFER2,
+	SLEEP_SAVE_PGSR0, SLEEP_SAVE_PGSR1, SLEEP_SAVE_PGSR2,
+
+	SLEEP_SAVE_GAFR0_L, SLEEP_SAVE_GAFR0_U,
+	SLEEP_SAVE_GAFR1_L, SLEEP_SAVE_GAFR1_U,
+	SLEEP_SAVE_GAFR2_L, SLEEP_SAVE_GAFR2_U,
+
+	SLEEP_SAVE_PSTR,
+
+	SLEEP_SAVE_ICMR,
+	SLEEP_SAVE_CKEN,
+
+	SLEEP_SAVE_SIZE
+};
+
+
+static void pxa25x_cpu_pm_save(unsigned long *sleep_save)
+{
+	SAVE(GPLR0); SAVE(GPLR1); SAVE(GPLR2);
+	SAVE(GPDR0); SAVE(GPDR1); SAVE(GPDR2);
+	SAVE(GRER0); SAVE(GRER1); SAVE(GRER2);
+	SAVE(GFER0); SAVE(GFER1); SAVE(GFER2);
+	SAVE(PGSR0); SAVE(PGSR1); SAVE(PGSR2);
+
+	SAVE(GAFR0_L); SAVE(GAFR0_U);
+	SAVE(GAFR1_L); SAVE(GAFR1_U);
+	SAVE(GAFR2_L); SAVE(GAFR2_U);
+
+	SAVE(ICMR);
+	SAVE(CKEN);
+	SAVE(PSTR);
+}
+
+static void pxa25x_cpu_pm_restore(unsigned long *sleep_save)
+{
+	/* restore registers */
+	RESTORE_GPLEVEL(0); RESTORE_GPLEVEL(1); RESTORE_GPLEVEL(2);
+	RESTORE(GPDR0); RESTORE(GPDR1); RESTORE(GPDR2);
+	RESTORE(GAFR0_L); RESTORE(GAFR0_U);
+	RESTORE(GAFR1_L); RESTORE(GAFR1_U);
+	RESTORE(GAFR2_L); RESTORE(GAFR2_U);
+	RESTORE(GRER0); RESTORE(GRER1); RESTORE(GRER2);
+	RESTORE(GFER0); RESTORE(GFER1); RESTORE(GFER2);
+	RESTORE(PGSR0); RESTORE(PGSR1); RESTORE(PGSR2);
+
+	RESTORE(CKEN);
+	RESTORE(ICMR);
+	RESTORE(PSTR);
+}
+
+static void pxa25x_cpu_pm_enter(suspend_state_t state)
+{
 	CKEN = 0;
 
 	switch (state) {
 	case PM_SUSPEND_MEM:
 		/* set resume return address */
 		PSPR = virt_to_phys(pxa_cpu_resume);
-		pxa_cpu_suspend(PWRMODE_SLEEP);
+		pxa25x_cpu_suspend(PWRMODE_SLEEP);
 		break;
 	}
 }
 
-static struct pm_ops pxa25x_pm_ops = {
+static struct pxa_cpu_pm_fns pxa25x_cpu_pm_fns = {
-	.enter		= pxa_pm_enter,
+	.save_size	= SLEEP_SAVE_SIZE,
 	.valid		= pm_valid_only_mem,
+	.save		= pxa25x_cpu_pm_save,
+	.restore	= pxa25x_cpu_pm_restore,
+	.enter		= pxa25x_cpu_pm_enter,
 };
+
+static void __init pxa25x_init_pm(void)
+{
+	pxa_cpu_pm_fns = &pxa25x_cpu_pm_fns;
+}
 #endif
 
 void __init pxa25x_init_irq(void)
@@ -139,16 +212,16 @@ void __init pxa25x_init_irq(void)
 }
 
 static struct platform_device *pxa25x_devices[] __initdata = {
-	&pxamci_device,
+	&pxa_device_mci,
-	&pxaudc_device,
+	&pxa_device_udc,
-	&pxafb_device,
+	&pxa_device_fb,
-	&ffuart_device,
+	&pxa_device_ffuart,
-	&btuart_device,
+	&pxa_device_btuart,
-	&stuart_device,
+	&pxa_device_stuart,
-	&pxai2c_device,
+	&pxa_device_i2c,
-	&pxai2s_device,
+	&pxa_device_i2s,
-	&pxaficp_device,
+	&pxa_device_ficp,
-	&pxartc_device,
+	&pxa_device_rtc,
 };
 
 static int __init pxa25x_init(void)
@@ -159,14 +232,14 @@ static int __init pxa25x_init(void)
 		if ((ret = pxa_init_dma(16)))
 			return ret;
 #ifdef CONFIG_PM
-		pm_set_ops(&pxa25x_pm_ops);
+		pxa25x_init_pm();
 #endif
 		ret = platform_add_devices(pxa25x_devices,
 					   ARRAY_SIZE(pxa25x_devices));
 	}
 	/* Only add HWUART for PXA255/26x; PXA210/250/27x do not have it. */
 	if (cpu_is_pxa25x())
-		ret = platform_device_register(&hwuart_device);
+		ret = platform_device_register(&pxa_device_hwuart);
 
 	return ret;
 }

arch/arm/mach-pxa/pxa27x.c

@@ -126,14 +126,107 @@ EXPORT_SYMBOL(get_lcdclk_frequency_10khz);
 
 #ifdef CONFIG_PM
 
-void pxa_cpu_pm_enter(suspend_state_t state)
+#define SAVE(x)		sleep_save[SLEEP_SAVE_##x] = x
+#define RESTORE(x)	x = sleep_save[SLEEP_SAVE_##x]
+
+#define RESTORE_GPLEVEL(n) do { \
+	GPSR##n = sleep_save[SLEEP_SAVE_GPLR##n]; \
+	GPCR##n = ~sleep_save[SLEEP_SAVE_GPLR##n]; \
+} while (0)
+
+/*
+ * List of global PXA peripheral registers to preserve.
+ * More ones like CP and general purpose register values are preserved
+ * with the stack pointer in sleep.S.
+ */
+enum {	SLEEP_SAVE_START = 0,
+
+	SLEEP_SAVE_GPLR0, SLEEP_SAVE_GPLR1, SLEEP_SAVE_GPLR2, SLEEP_SAVE_GPLR3,
+	SLEEP_SAVE_GPDR0, SLEEP_SAVE_GPDR1, SLEEP_SAVE_GPDR2, SLEEP_SAVE_GPDR3,
+	SLEEP_SAVE_GRER0, SLEEP_SAVE_GRER1, SLEEP_SAVE_GRER2, SLEEP_SAVE_GRER3,
+	SLEEP_SAVE_GFER0, SLEEP_SAVE_GFER1, SLEEP_SAVE_GFER2, SLEEP_SAVE_GFER3,
+	SLEEP_SAVE_PGSR0, SLEEP_SAVE_PGSR1, SLEEP_SAVE_PGSR2, SLEEP_SAVE_PGSR3,
+
+	SLEEP_SAVE_GAFR0_L, SLEEP_SAVE_GAFR0_U,
+	SLEEP_SAVE_GAFR1_L, SLEEP_SAVE_GAFR1_U,
+	SLEEP_SAVE_GAFR2_L, SLEEP_SAVE_GAFR2_U,
+	SLEEP_SAVE_GAFR3_L, SLEEP_SAVE_GAFR3_U,
+
+	SLEEP_SAVE_PSTR,
+
+	SLEEP_SAVE_ICMR,
+	SLEEP_SAVE_CKEN,
+
+	SLEEP_SAVE_MDREFR,
+	SLEEP_SAVE_PWER, SLEEP_SAVE_PCFR, SLEEP_SAVE_PRER,
+	SLEEP_SAVE_PFER, SLEEP_SAVE_PKWR,
+
+	SLEEP_SAVE_SIZE
+};
+
+void pxa27x_cpu_pm_save(unsigned long *sleep_save)
+{
+	SAVE(GPLR0); SAVE(GPLR1); SAVE(GPLR2); SAVE(GPLR3);
+	SAVE(GPDR0); SAVE(GPDR1); SAVE(GPDR2); SAVE(GPDR3);
+	SAVE(GRER0); SAVE(GRER1); SAVE(GRER2); SAVE(GRER3);
+	SAVE(GFER0); SAVE(GFER1); SAVE(GFER2); SAVE(GFER3);
+	SAVE(PGSR0); SAVE(PGSR1); SAVE(PGSR2); SAVE(PGSR3);
+
+	SAVE(GAFR0_L); SAVE(GAFR0_U);
+	SAVE(GAFR1_L); SAVE(GAFR1_U);
+	SAVE(GAFR2_L); SAVE(GAFR2_U);
+	SAVE(GAFR3_L); SAVE(GAFR3_U);
+
+	SAVE(MDREFR);
+	SAVE(PWER); SAVE(PCFR); SAVE(PRER);
+	SAVE(PFER); SAVE(PKWR);
+
+	SAVE(ICMR); ICMR = 0;
+	SAVE(CKEN);
+	SAVE(PSTR);
+
+	/* Clear GPIO transition detect bits */
+	GEDR0 = GEDR0; GEDR1 = GEDR1; GEDR2 = GEDR2; GEDR3 = GEDR3;
+}
+
+void pxa27x_cpu_pm_restore(unsigned long *sleep_save)
+{
+	/* ensure not to come back here if it wasn't intended */
+	PSPR = 0;
+
+	/* restore registers */
+	RESTORE_GPLEVEL(0); RESTORE_GPLEVEL(1);
+	RESTORE_GPLEVEL(2); RESTORE_GPLEVEL(3);
+	RESTORE(GPDR0); RESTORE(GPDR1); RESTORE(GPDR2); RESTORE(GPDR3);
+	RESTORE(GAFR0_L); RESTORE(GAFR0_U);
+	RESTORE(GAFR1_L); RESTORE(GAFR1_U);
+	RESTORE(GAFR2_L); RESTORE(GAFR2_U);
+	RESTORE(GAFR3_L); RESTORE(GAFR3_U);
+	RESTORE(GRER0); RESTORE(GRER1); RESTORE(GRER2); RESTORE(GRER3);
+	RESTORE(GFER0); RESTORE(GFER1); RESTORE(GFER2); RESTORE(GFER3);
+	RESTORE(PGSR0); RESTORE(PGSR1); RESTORE(PGSR2); RESTORE(PGSR3);
+
+	RESTORE(MDREFR);
+	RESTORE(PWER); RESTORE(PCFR); RESTORE(PRER);
+	RESTORE(PFER); RESTORE(PKWR);
+
+	PSSR = PSSR_RDH | PSSR_PH;
+
+	RESTORE(CKEN);
+
+	ICLR = 0;
+	ICCR = 1;
+	RESTORE(ICMR);
+	RESTORE(PSTR);
+}
+
+void pxa27x_cpu_pm_enter(suspend_state_t state)
 {
 	extern void pxa_cpu_standby(void);
-	extern void pxa_cpu_suspend(unsigned int);
-	extern void pxa_cpu_resume(void);
 
 	if (state == PM_SUSPEND_STANDBY)
-		CKEN = (1 << CKEN_MEMC) | (1 << CKEN_OSTIMER) | (1 << CKEN_LCD) | (1 << CKEN_PWM0);
+		CKEN = (1 << CKEN_MEMC) | (1 << CKEN_OSTIMER) |
+			(1 << CKEN_LCD) | (1 << CKEN_PWM0);
 	else
 		CKEN = (1 << CKEN_MEMC) | (1 << CKEN_OSTIMER);
 
@@ -150,20 +243,28 @@ void pxa_cpu_pm_enter(suspend_state_t state)
 	case PM_SUSPEND_MEM:
 		/* set resume return address */
 		PSPR = virt_to_phys(pxa_cpu_resume);
-		pxa_cpu_suspend(PWRMODE_SLEEP);
+		pxa27x_cpu_suspend(PWRMODE_SLEEP);
 		break;
 	}
 }
 
-static int pxa27x_pm_valid(suspend_state_t state)
+static int pxa27x_cpu_pm_valid(suspend_state_t state)
 {
 	return state == PM_SUSPEND_MEM || state == PM_SUSPEND_STANDBY;
 }
 
-static struct pm_ops pxa27x_pm_ops = {
+static struct pxa_cpu_pm_fns pxa27x_cpu_pm_fns = {
-	.enter		= pxa_pm_enter,
+	.save_size	= SLEEP_SAVE_SIZE,
-	.valid		= pxa27x_pm_valid,
+	.save		= pxa27x_cpu_pm_save,
+	.restore	= pxa27x_cpu_pm_restore,
+	.valid		= pxa27x_cpu_pm_valid,
+	.enter		= pxa27x_cpu_pm_enter,
 };
+
+static void __init pxa27x_init_pm(void)
+{
+	pxa_cpu_pm_fns = &pxa27x_cpu_pm_fns;
+}
 #endif
 
 /*
@@ -185,7 +286,7 @@ static struct resource pxa27x_ohci_resources[] = {
 	},
 };
 
-static struct platform_device pxaohci_device = {
+static struct platform_device pxa27x_device_ohci = {
 	.name		= "pxa27x-ohci",
 	.id		= -1,
 	.dev		= {
@@ -198,7 +299,7 @@ static struct platform_device pxaohci_device = {
 
 void __init pxa_set_ohci_info(struct pxaohci_platform_data *info)
 {
-	pxaohci_device.dev.platform_data = info;
+	pxa27x_device_ohci.dev.platform_data = info;
 }
 
 static struct resource i2c_power_resources[] = {
@@ -213,7 +314,7 @@ static struct resource i2c_power_resources[] = {
 	},
 };
 
-static struct platform_device pxai2c_power_device = {
+static struct platform_device pxa27x_device_i2c_power = {
 	.name		= "pxa2xx-i2c",
 	.id		= 1,
 	.resource	= i2c_power_resources,
@@ -221,18 +322,18 @@ static struct platform_device pxai2c_power_device = {
 };
 
 static struct platform_device *devices[] __initdata = {
-	&pxamci_device,
+	&pxa_device_mci,
-	&pxaudc_device,
+	&pxa_device_udc,
-	&pxafb_device,
+	&pxa_device_fb,
-	&ffuart_device,
+	&pxa_device_ffuart,
-	&btuart_device,
+	&pxa_device_btuart,
-	&stuart_device,
+	&pxa_device_stuart,
-	&pxai2c_device,
+	&pxa_device_i2c,
-	&pxai2c_power_device,
+	&pxa_device_i2s,
-	&pxai2s_device,
+	&pxa_device_ficp,
-	&pxaficp_device,
+	&pxa_device_rtc,
-	&pxartc_device,
+	&pxa27x_device_i2c_power,
-	&pxaohci_device,
+	&pxa27x_device_ohci,
 };
 
 void __init pxa27x_init_irq(void)
@@ -249,7 +350,7 @@ static int __init pxa27x_init(void)
 		if ((ret = pxa_init_dma(32)))
 			return ret;
 #ifdef CONFIG_PM
-		pm_set_ops(&pxa27x_pm_ops);
+		pxa27x_init_pm();
 #endif
 		ret = platform_add_devices(devices, ARRAY_SIZE(devices));
 	}

arch/arm/mach-pxa/sleep.S

@@ -17,28 +17,12 @@
 
 #include <asm/arch/pxa-regs.h>
 
-#ifdef CONFIG_PXA27x			// workaround for Errata 50
 #define MDREFR_KDIV	0x200a4000	// all banks
 #define CCCR_SLEEP	0x00000107	// L=7 2N=2 A=0 PPDIS=0 CPDIS=0
-#endif
 
 		.text
 
-/*
+pxa_cpu_save_cp:
- * pxa_cpu_suspend()
- *
- * Forces CPU into sleep state.
- *
- * r0 = value for PWRMODE M field for desired sleep state
- */
-
-ENTRY(pxa_cpu_suspend)
-
-#ifndef CONFIG_IWMMXT
-	mra	r2, r3, acc0
-#endif
-	stmfd	sp!, {r2 - r12, lr}		@ save registers on stack
-
 	@ get coprocessor registers
 	mrc	p14, 0, r3, c6, c0, 0		@ clock configuration, for turbo mode
 	mrc	p15, 0, r4, c15, c1, 0		@ CP access reg
@@ -54,12 +38,36 @@ ENTRY(pxa_cpu_suspend)
 	mov	r10, sp
 	stmfd	sp!, {r3 - r10}
 
-	mov r5, r0				@ save sleep mode
+	mov	pc, lr
+
+pxa_cpu_save_sp:
 	@ preserve phys address of stack
 	mov	r0, sp
+	mov	r2, lr
 	bl	sleep_phys_sp
 	ldr	r1, =sleep_save_sp
 	str	r0, [r1]
+	mov	pc, r2
+
+/*
+ * pxa27x_cpu_suspend()
+ *
+ * Forces CPU into sleep state.
+ *
+ * r0 = value for PWRMODE M field for desired sleep state
+ */
+
+ENTRY(pxa27x_cpu_suspend)
+
+#ifndef CONFIG_IWMMXT
+	mra	r2, r3, acc0
+#endif
+	stmfd	sp!, {r2 - r12, lr}		@ save registers on stack
+
+	bl	pxa_cpu_save_cp
+
+	mov	r5, r0				@ save sleep mode
+	bl	pxa_cpu_save_sp
 
 	@ clean data cache
 	bl	xscale_flush_kern_cache_all
@@ -80,13 +88,55 @@ ENTRY(pxa_cpu_suspend)
 	@ enable SDRAM self-refresh mode
 	orr	r5, r5, #MDREFR_SLFRSH
 
-#ifdef CONFIG_PXA27x
 	@ set SDCLKx divide-by-2 bits (this is part of a workaround for Errata 50)
 	ldr	r6, =MDREFR_KDIV
 	orr	r5, r5, r6
-#endif
 
-#ifdef CONFIG_PXA25x
+	@ Intel PXA270 Specification Update notes problems sleeping
+	@ with core operating above 91 MHz
+	@ (see Errata 50, ...processor does not exit from sleep...)
+
+	ldr	r6, =CCCR
+	ldr	r8, [r6]		@ keep original value for resume
+
+	ldr	r7, =CCCR_SLEEP		@ prepare CCCR sleep value
+	mov	r0, #0x2		@ prepare value for CLKCFG
+
+	@ align execution to a cache line
+	b	pxa_cpu_do_suspend
+
+/*
+ * pxa27x_cpu_suspend()
+ *
+ * Forces CPU into sleep state.
+ *
+ * r0 = value for PWRMODE M field for desired sleep state
+ */
+
+ENTRY(pxa25x_cpu_suspend)
+	stmfd	sp!, {r2 - r12, lr}		@ save registers on stack
+
+	bl	pxa_cpu_save_cp
+
+	mov	r5, r0				@ save sleep mode
+	bl	pxa_cpu_save_sp
+
+	@ clean data cache
+	bl	xscale_flush_kern_cache_all
+
+	@ prepare value for sleep mode
+	mov	r1, r5				@ sleep mode
+
+	@ prepare pointer to physical address 0 (virtual mapping in generic.c)
+	mov	r2, #UNCACHED_PHYS_0
+
+	@ prepare SDRAM refresh settings
+	ldr	r4, =MDREFR
+	ldr	r5, [r4]
+
+	@ enable SDRAM self-refresh mode
+	orr	r5, r5, #MDREFR_SLFRSH
+
 	@ Intel PXA255 Specification Update notes problems
 	@ about suspending with PXBus operating above 133MHz
 	@ (see Errata 31, GPIO output signals, ... unpredictable in sleep
@@ -118,30 +168,15 @@ ENTRY(pxa_cpu_suspend)
 	mov	r0, #0
 	mcr	p14, 0, r0, c6, c0, 0
 	orr	r0, r0, #2			@ initiate change bit
-#endif
+	b	pxa_cpu_do_suspend
-#ifdef CONFIG_PXA27x
-	@ Intel PXA270 Specification Update notes problems sleeping
-	@ with core operating above 91 MHz
-	@ (see Errata 50, ...processor does not exit from sleep...)
-
-	ldr	r6, =CCCR
-	ldr	r8, [r6]		@ keep original value for resume
-
-	ldr	r7, =CCCR_SLEEP		@ prepare CCCR sleep value
-	mov	r0, #0x2		@ prepare value for CLKCFG
-#endif
-
-	@ align execution to a cache line
-	b	1f
 
 	.ltorg
 	.align	5
-1:
+pxa_cpu_do_suspend:
 
 	@ All needed values are now in registers.
 	@ These last instructions should be in cache
 
-#if defined(CONFIG_PXA25x) || defined(CONFIG_PXA27x)
 	@ initiate the frequency change...
 	str	r7, [r6]
 	mcr	p14, 0, r0, c6, c0, 0
@@ -155,7 +190,6 @@ ENTRY(pxa_cpu_suspend)
 	mov	r0, #42
 10:	subs	r0, r0, #1
 	bne	10b
-#endif
 
 	@ Do not reorder...
 	@ Intel PXA270 Specification Update notes problems performing

arch/arm/mach-pxa/time.c

@@ -1,9 +1,11 @@
 /*
  * arch/arm/mach-pxa/time.c
  *
- * Author:	Nicolas Pitre
+ * PXA clocksource, clockevents, and OST interrupt handlers.
- * Created:	Jun 15, 2001
+ * Copyright (c) 2007 by Bill Gatliff <bgat@billgatliff.com>.
- * Copyright:	MontaVista Software Inc.
+ *
+ * Derived from Nicolas Pitre's PXA timer handler Copyright (c) 2001
+ * by MontaVista Software, Inc.  (Nico, your code rocks!)
  *
  * 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
@@ -12,164 +14,160 @@
 
 #include <linux/kernel.h>
 #include <linux/init.h>
-#include <linux/delay.h>
 #include <linux/interrupt.h>
-#include <linux/time.h>
+#include <linux/clockchips.h>
-#include <linux/signal.h>
-#include <linux/errno.h>
-#include <linux/sched.h>
-#include <linux/clocksource.h>
 
-#include <asm/system.h>
-#include <asm/hardware.h>
-#include <asm/io.h>
-#include <asm/leds.h>
-#include <asm/irq.h>
 #include <asm/mach/irq.h>
 #include <asm/mach/time.h>
 #include <asm/arch/pxa-regs.h>
 
-
-static int pxa_set_rtc(void)
-{
-	unsigned long current_time = xtime.tv_sec;
-
-	if (RTSR & RTSR_ALE) {
-		/* make sure not to forward the clock over an alarm */
-		unsigned long alarm = RTAR;
-		if (current_time >= alarm && alarm >= RCNR)
-			return -ERESTARTSYS;
-	}
-	RCNR = current_time;
-	return 0;
-}
-
-#ifdef CONFIG_NO_IDLE_HZ
-static unsigned long initial_match;
-static int match_posponed;
-#endif
-
 static irqreturn_t
-pxa_timer_interrupt(int irq, void *dev_id)
+pxa_ost0_interrupt(int irq, void *dev_id)
 {
 	int next_match;
+	struct clock_event_device *c = dev_id;
 
-	write_seqlock(&xtime_lock);
+	if (c->mode == CLOCK_EVT_MODE_ONESHOT) {
-
+		/* Disarm the compare/match, signal the event. */
-#ifdef CONFIG_NO_IDLE_HZ
+		OIER &= ~OIER_E0;
-	if (match_posponed) {
+		c->event_handler(c);
-		match_posponed = 0;
+	} else if (c->mode == CLOCK_EVT_MODE_PERIODIC) {
-		OSMR0 = initial_match;
+		/* Call the event handler as many times as necessary
-	}
+		 * to recover missed events, if any (if we update
-#endif
+		 * OSMR0 and OSCR0 is still ahead of us, we've missed
-
+		 * the event).  As we're dealing with that, re-arm the
-	/* Loop until we get ahead of the free running timer.
+		 * compare/match for the next event.
-	 * This ensures an exact clock tick count and time accuracy.
+		 *
-	 * Since IRQs are disabled at this point, coherence between
+		 * HACK ALERT:
-	 * lost_ticks(updated in do_timer()) and the match reg value is
+		 *
-	 * ensured, hence we can use do_gettimeofday() from interrupt
+		 * There's a latency between the instruction that
-	 * handlers.
+		 * writes to OSMR0 and the actual commit to the
-	 *
+		 * physical hardware, because the CPU doesn't (have
-	 * HACK ALERT: it seems that the PXA timer regs aren't updated right
+		 * to) run at bus speed, there's a write buffer
-	 * away in all cases when a write occurs.  We therefore compare with
+		 * between the CPU and the bus, etc. etc.  So if the
-	 * 8 instead of 0 in the while() condition below to avoid missing a
+		 * target OSCR0 is "very close", to the OSMR0 load
-	 * match if OSCR has already reached the next OSMR value.
+		 * value, the update to OSMR0 might not get to the
-	 * Experience has shown that up to 6 ticks are needed to work around
+		 * hardware in time and we'll miss that interrupt.
-	 * this problem, but let's use 8 to be conservative.  Note that this
+		 *
-	 * affect things only when the timer IRQ has been delayed by nearly
+		 * To be safe, if the new OSMR0 is "very close" to the
-	 * exactly one tick period which should be a pretty rare event.
+		 * target OSCR0 value, we call the event_handler as
+		 * though the event actually happened.  According to
+		 * Nico's comment in the previous version of this
+		 * code, experience has shown that 6 OSCR ticks is
+		 * "very close" but he went with 8.  We will use 16,
+		 * based on the results of testing on PXA270.
+		 *
+		 * To be doubly sure, we also tell clkevt via
+		 * clockevents_register_device() not to ask for
+		 * anything that might put us "very close".
 	 */
+#define MIN_OSCR_DELTA 16
 	do {
-		timer_tick();
+			OSSR = OSSR_M0;
-		OSSR = OSSR_M0;  /* Clear match on timer 0 */
 		next_match = (OSMR0 += LATCH);
-	} while( (signed long)(next_match - OSCR) <= 8 );
+			c->event_handler(c);
-
+		} while (((signed long)(next_match - OSCR) <= MIN_OSCR_DELTA)
-	write_sequnlock(&xtime_lock);
+			 && (c->mode == CLOCK_EVT_MODE_PERIODIC));
+	}
 
 	return IRQ_HANDLED;
 }
 
-static struct irqaction pxa_timer_irq = {
+static int
-	.name		= "PXA Timer Tick",
+pxa_osmr0_set_next_event(unsigned long delta, struct clock_event_device *dev)
-	.flags		= IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL,
+{
-	.handler	= pxa_timer_interrupt,
+	unsigned long irqflags;
+
+	raw_local_irq_save(irqflags);
+	OSMR0 = OSCR + delta;
+	OSSR = OSSR_M0;
+	OIER |= OIER_E0;
+	raw_local_irq_restore(irqflags);
+	return 0;
+}
+
+static void
+pxa_osmr0_set_mode(enum clock_event_mode mode, struct clock_event_device *dev)
+{
+	unsigned long irqflags;
+
+	switch (mode) {
+	case CLOCK_EVT_MODE_PERIODIC:
+		raw_local_irq_save(irqflags);
+		OSMR0 = OSCR + LATCH;
+		OSSR = OSSR_M0;
+		OIER |= OIER_E0;
+		raw_local_irq_restore(irqflags);
+		break;
+
+	case CLOCK_EVT_MODE_ONESHOT:
+		raw_local_irq_save(irqflags);
+		OIER &= ~OIER_E0;
+		raw_local_irq_restore(irqflags);
+		break;
+
+	case CLOCK_EVT_MODE_UNUSED:
+	case CLOCK_EVT_MODE_SHUTDOWN:
+		/* initializing, released, or preparing for suspend */
+		raw_local_irq_save(irqflags);
+		OIER &= ~OIER_E0;
+		raw_local_irq_restore(irqflags);
+		break;
+	}
+}
+
+static struct clock_event_device ckevt_pxa_osmr0 = {
+	.name		= "osmr0",
+	.features	= CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT,
+	.shift		= 32,
+	.rating		= 200,
+	.cpumask	= CPU_MASK_CPU0,
+	.set_next_event	= pxa_osmr0_set_next_event,
+	.set_mode	= pxa_osmr0_set_mode,
 };
 
-static cycle_t pxa_get_cycles(void)
+static cycle_t pxa_read_oscr(void)
 {
 	return OSCR;
 }
 
-static struct clocksource clocksource_pxa = {
+static struct clocksource cksrc_pxa_oscr0 = {
-	.name           = "pxa_timer",
+	.name           = "oscr0",
 	.rating         = 200,
-	.read           = pxa_get_cycles,
+	.read           = pxa_read_oscr,
 	.mask           = CLOCKSOURCE_MASK(32),
 	.shift          = 20,
 	.flags		= CLOCK_SOURCE_IS_CONTINUOUS,
 };
 
+static struct irqaction pxa_ost0_irq = {
+	.name		= "ost0",
+	.flags		= IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL,
+	.handler	= pxa_ost0_interrupt,
+	.dev_id		= &ckevt_pxa_osmr0,
+};
+
 static void __init pxa_timer_init(void)
 {
-	struct timespec tv;
+	OIER = 0;
-	unsigned long flags;
+	OSSR = OSSR_M0 | OSSR_M1 | OSSR_M2 | OSSR_M3;
 
-	set_rtc = pxa_set_rtc;
+	ckevt_pxa_osmr0.mult =
+		div_sc(CLOCK_TICK_RATE, NSEC_PER_SEC, ckevt_pxa_osmr0.shift);
+	ckevt_pxa_osmr0.max_delta_ns =
+		clockevent_delta2ns(0x7fffffff, &ckevt_pxa_osmr0);
+	ckevt_pxa_osmr0.min_delta_ns =
+		clockevent_delta2ns(MIN_OSCR_DELTA, &ckevt_pxa_osmr0) + 1;
 
-	OIER = 0;		/* disable any timer interrupts */
+	cksrc_pxa_oscr0.mult =
-	OSSR = 0xf;		/* clear status on all timers */
+		clocksource_hz2mult(CLOCK_TICK_RATE, cksrc_pxa_oscr0.shift);
-	setup_irq(IRQ_OST0, &pxa_timer_irq);
-	local_irq_save(flags);
-	OIER = OIER_E0;		/* enable match on timer 0 to cause interrupts */
-	OSMR0 = OSCR + LATCH;	/* set initial match */
-	local_irq_restore(flags);
 
-	/*
+	setup_irq(IRQ_OST0, &pxa_ost0_irq);
-	 * OSCR runs continuously on PXA and is not written to,
+
-	 * so we can use it as clock source directly.
+	clocksource_register(&cksrc_pxa_oscr0);
-	 */
+	clockevents_register_device(&ckevt_pxa_osmr0);
-	clocksource_pxa.mult =
-		clocksource_hz2mult(CLOCK_TICK_RATE, clocksource_pxa.shift);
-	clocksource_register(&clocksource_pxa);
 }
 
-#ifdef CONFIG_NO_IDLE_HZ
-static int pxa_dyn_tick_enable_disable(void)
-{
-	/* nothing to do */
-	return 0;
-}
-
-static void pxa_dyn_tick_reprogram(unsigned long ticks)
-{
-	if (ticks > 1) {
-		initial_match = OSMR0;
-		OSMR0 = initial_match + ticks * LATCH;
-		match_posponed = 1;
-	}
-}
-
-static irqreturn_t
-pxa_dyn_tick_handler(int irq, void *dev_id)
-{
-	if (match_posponed) {
-		match_posponed = 0;
-		OSMR0 = initial_match;
-		if ( (signed long)(initial_match - OSCR) <= 8 )
-			return pxa_timer_interrupt(irq, dev_id);
-	}
-	return IRQ_NONE;
-}
-
-static struct dyn_tick_timer pxa_dyn_tick = {
-	.enable		= pxa_dyn_tick_enable_disable,
-	.disable	= pxa_dyn_tick_enable_disable,
-	.reprogram	= pxa_dyn_tick_reprogram,
-	.handler	= pxa_dyn_tick_handler,
-};
-#endif
-
 #ifdef CONFIG_PM
 static unsigned long osmr[4], oier;
 
@@ -191,7 +189,10 @@ static void pxa_timer_resume(void)
 	OIER = oier;
 
 	/*
-	 * OSMR0 is the system timer: make sure OSCR is sufficiently behind
+	 * OSCR0 is the system timer, which has to increase
+	 * monotonically until it rolls over in hardware.  The value
+	 * (OSMR0 - LATCH) is OSCR0 at the most recent system tick,
+	 * which is a handy value to restore to OSCR0.
 	 */
 	OSCR = OSMR0 - LATCH;
 }
@@ -204,7 +205,4 @@ struct sys_timer pxa_timer = {
 	.init		= pxa_timer_init,
 	.suspend	= pxa_timer_suspend,
 	.resume		= pxa_timer_resume,
-#ifdef CONFIG_NO_IDLE_HZ
-	.dyn_tick	= &pxa_dyn_tick,
-#endif
 };

arch/arm/mach-rpc/riscpc.c

@@ -87,7 +87,7 @@ static void __init rpc_map_io(void)
 	/*
 	 * Turn off floppy.
 	 */
-	outb(0xc, 0x3f2);
+	writeb(0xc, PCIO_BASE + (0x3f2 << 2));
 
 	/*
 	 * RiscPC can't handle half-word loads and stores

arch/arm/mach-s3c2410/Kconfig

@@ -9,6 +9,7 @@ config CPU_S3C2410
 	depends on ARCH_S3C2410
 	select S3C2410_CLOCK
 	select S3C2410_GPIO
+	select CPU_LLSERIAL_S3C2410
 	select S3C2410_PM if PM
 	help
 	  Support for S3C2410 and S3C2410A family from the S3C24XX line

arch/arm/mach-s3c2410/clock.c

@@ -37,7 +37,7 @@
 #include <asm/hardware.h>
 #include <asm/io.h>
 
-#include <asm/arch/regs-serial.h>
+#include <asm/plat-s3c/regs-serial.h>
 #include <asm/arch/regs-clock.h>
 #include <asm/arch/regs-gpio.h>
 

arch/arm/mach-s3c2410/dma.c

@@ -23,14 +23,14 @@
 #include <asm/plat-s3c24xx/cpu.h>
 #include <asm/plat-s3c24xx/dma.h>
 
-#include <asm/arch/regs-serial.h>
+#include <asm/plat-s3c/regs-serial.h>
 #include <asm/arch/regs-gpio.h>
-#include <asm/arch/regs-ac97.h>
+#include <asm/plat-s3c/regs-ac97.h>
 #include <asm/arch/regs-mem.h>
 #include <asm/arch/regs-lcd.h>
 #include <asm/arch/regs-sdi.h>
-#include <asm/arch/regs-iis.h>
+#include <asm/plat-s3c24xx/regs-iis.h>
-#include <asm/arch/regs-spi.h>
+#include <asm/plat-s3c24xx/regs-spi.h>
 
 static struct s3c24xx_dma_map __initdata s3c2410_dma_mappings[] = {
 	[DMACH_XD0] = {

arch/arm/mach-s3c2410/mach-amlm5900.c

@@ -48,7 +48,7 @@
 #include <asm/mach-types.h>
 #include <asm/arch/fb.h>
 
-#include <asm/arch/regs-serial.h>
+#include <asm/plat-s3c/regs-serial.h>
 #include <asm/arch/regs-lcd.h>
 #include <asm/arch/regs-gpio.h>
 

arch/arm/mach-s3c2410/mach-bast.c

@@ -36,13 +36,13 @@
 #include <asm/mach-types.h>
 
 //#include <asm/debug-ll.h>
-#include <asm/arch/regs-serial.h>
+#include <asm/plat-s3c/regs-serial.h>
 #include <asm/arch/regs-gpio.h>
 #include <asm/arch/regs-mem.h>
 #include <asm/arch/regs-lcd.h>
 
-#include <asm/arch/nand.h>
+#include <asm/plat-s3c/nand.h>
-#include <asm/arch/iic.h>
+#include <asm/plat-s3c/iic.h>
 #include <asm/arch/fb.h>
 
 #include <linux/mtd/mtd.h>

arch/arm/mach-s3c2410/mach-h1940.c

@@ -30,7 +30,7 @@
 #include <asm/irq.h>
 #include <asm/mach-types.h>
 
-#include <asm/arch/regs-serial.h>
+#include <asm/plat-s3c/regs-serial.h>
 #include <asm/arch/regs-lcd.h>
 #include <asm/arch/regs-gpio.h>
 #include <asm/arch/regs-clock.h>
@@ -38,7 +38,7 @@
 #include <asm/arch/h1940.h>
 #include <asm/arch/h1940-latch.h>
 #include <asm/arch/fb.h>
-#include <asm/arch/udc.h>
+#include <asm/plat-s3c24xx/udc.h>
 
 #include <asm/plat-s3c24xx/clock.h>
 #include <asm/plat-s3c24xx/devs.h>

arch/arm/mach-s3c2410/mach-n30.c

@@ -33,9 +33,9 @@
 #include <asm/irq.h>
 #include <asm/mach-types.h>
 
-#include <asm/arch/regs-serial.h>
+#include <asm/plat-s3c/regs-serial.h>
 #include <asm/arch/regs-gpio.h>
-#include <asm/arch/iic.h>
+#include <asm/plat-s3c/iic.h>
 
 #include <asm/plat-s3c24xx/s3c2410.h>
 #include <asm/plat-s3c24xx/clock.h>

arch/arm/mach-s3c2410/mach-otom.c

@@ -29,7 +29,7 @@
 #include <asm/irq.h>
 #include <asm/mach-types.h>
 
-#include <asm/arch/regs-serial.h>
+#include <asm/plat-s3c/regs-serial.h>
 #include <asm/arch/regs-gpio.h>
 
 #include <asm/plat-s3c24xx/s3c2410.h>

arch/arm/mach-s3c2410/mach-qt2410.c

@@ -49,10 +49,10 @@
 
 #include <asm/arch/regs-gpio.h>
 #include <asm/arch/leds-gpio.h>
-#include <asm/arch/regs-serial.h>
+#include <asm/plat-s3c/regs-serial.h>
 #include <asm/arch/fb.h>
-#include <asm/arch/nand.h>
+#include <asm/plat-s3c/nand.h>
-#include <asm/arch/udc.h>
+#include <asm/plat-s3c24xx/udc.h>
 #include <asm/arch/spi.h>
 #include <asm/arch/spi-gpio.h>
 

arch/arm/mach-s3c2410/mach-smdk2410.c

@@ -47,7 +47,7 @@
 #include <asm/irq.h>
 #include <asm/mach-types.h>
 
-#include <asm/arch/regs-serial.h>
+#include <asm/plat-s3c/regs-serial.h>
 
 #include <asm/plat-s3c24xx/devs.h>
 #include <asm/plat-s3c24xx/cpu.h>

arch/arm/mach-s3c2410/mach-vr1000.c

@@ -39,7 +39,7 @@
 #include <asm/irq.h>
 #include <asm/mach-types.h>
 
-#include <asm/arch/regs-serial.h>
+#include <asm/plat-s3c/regs-serial.h>
 #include <asm/arch/regs-gpio.h>
 #include <asm/arch/leds-gpio.h>
 

arch/arm/mach-s3c2410/s3c2410.c

@@ -29,7 +29,7 @@
 #include <asm/irq.h>
 
 #include <asm/arch/regs-clock.h>
-#include <asm/arch/regs-serial.h>
+#include <asm/plat-s3c/regs-serial.h>
 
 #include <asm/plat-s3c24xx/s3c2410.h>
 #include <asm/plat-s3c24xx/cpu.h>
@@ -40,7 +40,6 @@
 
 static struct map_desc s3c2410_iodesc[] __initdata = {
 	IODESC_ENT(CLKPWR),
-	IODESC_ENT(LCD),
 	IODESC_ENT(TIMER),
 	IODESC_ENT(WATCHDOG),
 };

arch/arm/mach-s3c2410/sleep.S

@@ -32,7 +32,7 @@
 #include <asm/arch/regs-gpio.h>
 #include <asm/arch/regs-clock.h>
 #include <asm/arch/regs-mem.h>
-#include <asm/arch/regs-serial.h>
+#include <asm/plat-s3c/regs-serial.h>
 
 	/* s3c2410_cpu_suspend
 	 *

arch/arm/mach-s3c2412/Kconfig

@@ -7,6 +7,7 @@
 config CPU_S3C2412
 	bool
 	depends on ARCH_S3C2410
+	select CPU_LLSERIAL_S3C2440
 	select S3C2412_PM if PM
 	select S3C2412_DMA if S3C2410_DMA
 	help

arch/arm/mach-s3c2412/clock.c

@@ -37,7 +37,7 @@
 #include <asm/hardware.h>
 #include <asm/io.h>
 
-#include <asm/arch/regs-serial.h>
+#include <asm/plat-s3c/regs-serial.h>
 #include <asm/arch/regs-clock.h>
 #include <asm/arch/regs-gpio.h>
 

arch/arm/mach-s3c2412/dma.c

@@ -24,14 +24,14 @@
 #include <asm/plat-s3c24xx/dma.h>
 #include <asm/plat-s3c24xx/cpu.h>
 
-#include <asm/arch/regs-serial.h>
+#include <asm/plat-s3c/regs-serial.h>
 #include <asm/arch/regs-gpio.h>
-#include <asm/arch/regs-ac97.h>
+#include <asm/plat-s3c/regs-ac97.h>
 #include <asm/arch/regs-mem.h>
 #include <asm/arch/regs-lcd.h>
 #include <asm/arch/regs-sdi.h>
-#include <asm/arch/regs-iis.h>
+#include <asm/plat-s3c24xx/regs-iis.h>
-#include <asm/arch/regs-spi.h>
+#include <asm/plat-s3c24xx/regs-spi.h>
 
 #define MAP(x) { (x)| DMA_CH_VALID, (x)| DMA_CH_VALID, (x)| DMA_CH_VALID, (x)| DMA_CH_VALID }
 

arch/arm/mach-s3c2412/mach-smdk2413.c

@@ -32,12 +32,12 @@
 #include <asm/mach-types.h>
 
 //#include <asm/debug-ll.h>
-#include <asm/arch/regs-serial.h>
+#include <asm/plat-s3c/regs-serial.h>
 #include <asm/arch/regs-gpio.h>
 #include <asm/arch/regs-lcd.h>
 
 #include <asm/arch/idle.h>
-#include <asm/arch/udc.h>
+#include <asm/plat-s3c24xx/udc.h>
 #include <asm/arch/fb.h>
 
 #include <asm/plat-s3c24xx/s3c2410.h>

arch/arm/mach-s3c2412/mach-vstms.c

@@ -33,14 +33,14 @@
 #include <asm/irq.h>
 #include <asm/mach-types.h>
 
-#include <asm/arch/regs-serial.h>
+#include <asm/plat-s3c/regs-serial.h>
 #include <asm/arch/regs-gpio.h>
 #include <asm/arch/regs-lcd.h>
 
 #include <asm/arch/idle.h>
 #include <asm/arch/fb.h>
 
-#include <asm/arch/nand.h>
+#include <asm/plat-s3c/nand.h>
 
 #include <asm/plat-s3c24xx/s3c2410.h>
 #include <asm/plat-s3c24xx/s3c2412.h>

arch/arm/mach-s3c2412/s3c2412.c

@@ -34,12 +34,12 @@
 #include <asm/arch/idle.h>
 
 #include <asm/arch/regs-clock.h>
-#include <asm/arch/regs-serial.h>
+#include <asm/plat-s3c/regs-serial.h>
 #include <asm/arch/regs-power.h>
 #include <asm/arch/regs-gpio.h>
 #include <asm/arch/regs-gpioj.h>
 #include <asm/arch/regs-dsc.h>
-#include <asm/arch/regs-spi.h>
+#include <asm/plat-s3c24xx/regs-spi.h>
 #include <asm/arch/regs-s3c2412.h>
 
 #include <asm/plat-s3c24xx/s3c2412.h>
@@ -63,7 +63,6 @@ static inline void s3c2412_init_gpio2(void)
 
 static struct map_desc s3c2412_iodesc[] __initdata = {
 	IODESC_ENT(CLKPWR),
-	IODESC_ENT(LCD),
 	IODESC_ENT(TIMER),
 	IODESC_ENT(WATCHDOG),
 };

arch/arm/mach-s3c2440/Kconfig

@@ -12,6 +12,7 @@ config CPU_S3C2440
 	select S3C2410_GPIO
 	select S3C2440_DMA if S3C2410_DMA
 	select CPU_S3C244X
+	select CPU_LLSERIAL_S3C2440
 	help
 	  Support for S3C2440 Samsung Mobile CPU based systems.
 

arch/arm/mach-s3c2440/dma.c

@@ -23,14 +23,14 @@
 #include <asm/plat-s3c24xx/dma.h>
 #include <asm/plat-s3c24xx/cpu.h>
 
-#include <asm/arch/regs-serial.h>
+#include <asm/plat-s3c/regs-serial.h>
 #include <asm/arch/regs-gpio.h>
-#include <asm/arch/regs-ac97.h>
+#include <asm/plat-s3c/regs-ac97.h>
 #include <asm/arch/regs-mem.h>
 #include <asm/arch/regs-lcd.h>
 #include <asm/arch/regs-sdi.h>
-#include <asm/arch/regs-iis.h>
+#include <asm/plat-s3c24xx/regs-iis.h>
-#include <asm/arch/regs-spi.h>
+#include <asm/plat-s3c24xx/regs-spi.h>
 
 static struct s3c24xx_dma_map __initdata s3c2440_dma_mappings[] = {
 	[DMACH_XD0] = {

arch/arm/mach-s3c2440/mach-anubis.c

@@ -34,11 +34,11 @@
 #include <asm/irq.h>
 #include <asm/mach-types.h>
 
-#include <asm/arch/regs-serial.h>
+#include <asm/plat-s3c/regs-serial.h>
 #include <asm/arch/regs-gpio.h>
 #include <asm/arch/regs-mem.h>
 #include <asm/arch/regs-lcd.h>
-#include <asm/arch/nand.h>
+#include <asm/plat-s3c/nand.h>
 
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/nand.h>

arch/arm/mach-s3c2440/mach-nexcoder.c

@@ -36,7 +36,7 @@
 
 //#include <asm/debug-ll.h>
 #include <asm/arch/regs-gpio.h>
-#include <asm/arch/regs-serial.h>
+#include <asm/plat-s3c/regs-serial.h>
 
 #include <asm/plat-s3c24xx/s3c2410.h>
 #include <asm/plat-s3c24xx/s3c2440.h>

arch/arm/mach-s3c2440/mach-osiris.c

@@ -31,11 +31,11 @@
 #include <asm/irq.h>
 #include <asm/mach-types.h>
 
-#include <asm/arch/regs-serial.h>
+#include <asm/plat-s3c/regs-serial.h>
 #include <asm/arch/regs-gpio.h>
 #include <asm/arch/regs-mem.h>
 #include <asm/arch/regs-lcd.h>
-#include <asm/arch/nand.h>
+#include <asm/plat-s3c/nand.h>
 
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/nand.h>

arch/arm/mach-s3c2440/mach-rx3715.c

@@ -38,12 +38,12 @@
 #include <asm/irq.h>
 #include <asm/mach-types.h>
 
-#include <asm/arch/regs-serial.h>
+#include <asm/plat-s3c/regs-serial.h>
 #include <asm/arch/regs-gpio.h>
 #include <asm/arch/regs-lcd.h>
 
 #include <asm/arch/h1940.h>
-#include <asm/arch/nand.h>
+#include <asm/plat-s3c/nand.h>
 #include <asm/arch/fb.h>
 
 #include <asm/plat-s3c24xx/clock.h>

arch/arm/mach-s3c2440/mach-smdk2440.c

@@ -31,7 +31,7 @@
 #include <asm/irq.h>
 #include <asm/mach-types.h>
 
-#include <asm/arch/regs-serial.h>
+#include <asm/plat-s3c/regs-serial.h>
 #include <asm/arch/regs-gpio.h>
 #include <asm/arch/regs-lcd.h>
 

arch/arm/mach-s3c2442/Kconfig

@@ -11,6 +11,7 @@ config CPU_S3C2442
 	select S3C2410_GPIO
 	select S3C2410_PM if PM
 	select CPU_S3C244X
+	select CPU_LLSERIAL_S3C2440
 	help
 	  Support for S3C2442 Samsung Mobile CPU based systems.
 

arch/arm/mach-s3c2443/Kconfig

@@ -8,6 +8,7 @@ config CPU_S3C2443
 	bool
 	depends on ARCH_S3C2410
 	select S3C2443_DMA if S3C2410_DMA
+	select CPU_LLSERIAL_S3C2440
 	help
 	  Support for the S3C2443 SoC from the S3C24XX line
 

arch/arm/mach-s3c2443/dma.c

@@ -24,14 +24,14 @@
 #include <asm/plat-s3c24xx/dma.h>
 #include <asm/plat-s3c24xx/cpu.h>
 
-#include <asm/arch/regs-serial.h>
+#include <asm/plat-s3c/regs-serial.h>
 #include <asm/arch/regs-gpio.h>
-#include <asm/arch/regs-ac97.h>
+#include <asm/plat-s3c/regs-ac97.h>
 #include <asm/arch/regs-mem.h>
 #include <asm/arch/regs-lcd.h>
 #include <asm/arch/regs-sdi.h>
-#include <asm/arch/regs-iis.h>
+#include <asm/plat-s3c24xx/regs-iis.h>
-#include <asm/arch/regs-spi.h>
+#include <asm/plat-s3c24xx/regs-spi.h>
 
 #define MAP(x) { \
 		[0]	= (x) | DMA_CH_VALID,	\

arch/arm/mach-s3c2443/mach-smdk2443.c

@@ -31,7 +31,7 @@
 #include <asm/irq.h>
 #include <asm/mach-types.h>
 
-#include <asm/arch/regs-serial.h>
+#include <asm/plat-s3c/regs-serial.h>
 #include <asm/arch/regs-gpio.h>
 #include <asm/arch/regs-lcd.h>
 

arch/arm/mach-sa1100/Kconfig

@@ -101,6 +101,16 @@ config SA1100_JORNADA720
 	  handheld computer.  See <http://www.hp.com/jornada/products/720>
 	  for details.
 
+config SA1100_JORNADA720_SSP
+	bool "HP Jornada 720 Extended SSP driver"
+	select SA1100_SSP
+	depends on SA1100_JORNADA720
+	help
+	  Say Y here if you have a HP Jornada 7xx handheld computer and you
+	  want to access devices connected to the MCU. Those include the
+	  keyboard, touchscreen, backlight and battery. This driver also activates
+	  the generic SSP which it extends.
+
 config SA1100_HACKKIT
 	bool "HackKit Core CPU Board"
 	help
@@ -145,8 +155,7 @@ config SA1100_SSP
 	help
 	  Say Y here to enable support for the generic PIO SSP driver.
 	  This isn't for audio support, but for attached sensors and
-	  other devices, eg for BadgePAD 4 sensor support, or Jornada
+	  other devices, eg for BadgePAD 4 sensor support.
-	  720 touchscreen support.
 
 config H3600_SLEEVE
 	tristate "Compaq iPAQ Handheld sleeve support"

arch/arm/mach-sa1100/Makefile

@@ -31,6 +31,7 @@ obj-$(CONFIG_SA1100_HACKKIT)		+= hackkit.o
 led-$(CONFIG_SA1100_HACKKIT)		+= leds-hackkit.o
 
 obj-$(CONFIG_SA1100_JORNADA720)		+= jornada720.o
+obj-$(CONFIG_SA1100_JORNADA720_SSP)	+= jornada720_ssp.o
 
 obj-$(CONFIG_SA1100_LART)		+= lart.o
 led-$(CONFIG_SA1100_LART)		+= leds-lart.o
@@ -51,3 +52,4 @@ obj-$(CONFIG_LEDS) += $(led-y)
 # Miscelaneous functions
 obj-$(CONFIG_PM)			+= pm.o sleep.o
 obj-$(CONFIG_SA1100_SSP)		+= ssp.o
+

arch/arm/mach-sa1100/jornada720_ssp.c

@@ -0,0 +1,201 @@
+/**
+ *  arch/arm/mac-sa1100/jornada720_ssp.c
+ *
+ *  Copyright (C) 2006/2007 Kristoffer Ericson <Kristoffer.Ericson@gmail.com>
+ *   Copyright (C) 2006 Filip Zyzniewski <filip.zyzniewski@tefnet.pl>
+ *
+ * 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.
+ *
+ *  SSP driver for the HP Jornada 710/720/728
+ */
+
+#include <linux/delay.h>
+#include <linux/errno.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/sched.h>
+#include <linux/slab.h>
+
+#include <asm/hardware.h>
+#include <asm/hardware/ssp.h>
+#include <asm/arch/jornada720.h>
+
+static DEFINE_SPINLOCK(jornada_ssp_lock);
+static unsigned long jornada_ssp_flags;
+
+/**
+ * jornada_ssp_reverse - reverses input byte
+ *
+ * we need to reverse all data we recieve from the mcu due to its physical location
+ * returns : 01110111 -> 11101110
+ */
+u8 inline jornada_ssp_reverse(u8 byte)
+{
+	return
+		((0x80 & byte) >> 7) |
+		((0x40 & byte) >> 5) |
+		((0x20 & byte) >> 3) |
+		((0x10 & byte) >> 1) |
+		((0x08 & byte) << 1) |
+		((0x04 & byte) << 3) |
+		((0x02 & byte) << 5) |
+		((0x01 & byte) << 7);
+};
+EXPORT_SYMBOL(jornada_ssp_reverse);
+
+/**
+ * jornada_ssp_byte - waits for ready ssp bus and sends byte
+ *
+ * waits for fifo buffer to clear and then transmits, if it doesn't then we will
+ * timeout after <timeout> rounds. Needs mcu running before its called.
+ *
+ * returns : %mcu output on success
+ *	   : %-ETIMEOUT on timeout
+ */
+int jornada_ssp_byte(u8 byte)
+{
+	int timeout = 400000;
+	u16 ret;
+
+	while ((GPLR & GPIO_GPIO10)) {
+		if (!--timeout) {
+			printk(KERN_WARNING "SSP: timeout while waiting for transmit\n");
+			return -ETIMEDOUT;
+		}
+		cpu_relax();
+	}
+
+	ret = jornada_ssp_reverse(byte) << 8;
+
+	ssp_write_word(ret);
+	ssp_read_word(&ret);
+
+	return jornada_ssp_reverse(ret);
+};
+EXPORT_SYMBOL(jornada_ssp_byte);
+
+/**
+ * jornada_ssp_inout - decide if input is command or trading byte
+ *
+ * returns : (jornada_ssp_byte(byte)) on success
+ *         : %-ETIMEOUT on timeout failure
+ */
+int jornada_ssp_inout(u8 byte)
+{
+	int ret, i;
+
+	/* true means command byte */
+	if (byte != TXDUMMY) {
+		ret = jornada_ssp_byte(byte);
+		/* Proper return to commands is TxDummy */
+		if (ret != TXDUMMY) {
+			for (i = 0; i < 256; i++)/* flushing bus */
+				if (jornada_ssp_byte(TXDUMMY) == -1)
+					break;
+			return -ETIMEDOUT;
+		}
+	} else /* Exchange TxDummy for data */
+		ret = jornada_ssp_byte(TXDUMMY);
+
+	return ret;
+};
+EXPORT_SYMBOL(jornada_ssp_inout);
+
+/**
+ * jornada_ssp_start - enable mcu
+ *
+ */
+int jornada_ssp_start()
+{
+	spin_lock_irqsave(&jornada_ssp_lock, jornada_ssp_flags);
+	GPCR = GPIO_GPIO25;
+	udelay(50);
+	return 0;
+};
+EXPORT_SYMBOL(jornada_ssp_start);
+
+/**
+ * jornada_ssp_end - disable mcu and turn off lock
+ *
+ */
+int jornada_ssp_end()
+{
+	GPSR = GPIO_GPIO25;
+	spin_unlock_irqrestore(&jornada_ssp_lock, jornada_ssp_flags);
+	return 0;
+};
+EXPORT_SYMBOL(jornada_ssp_end);
+
+static int __init jornada_ssp_probe(struct platform_device *dev)
+{
+	int ret;
+
+	GPSR = GPIO_GPIO25;
+
+	ret = ssp_init();
+
+	/* worked fine, lets not bother with anything else */
+	if (!ret) {
+		printk(KERN_INFO "SSP: device initialized with irq\n");
+		return ret;
+	}
+
+	printk(KERN_WARNING "SSP: initialization failed, trying non-irq solution \n");
+
+	/* init of Serial 4 port */
+	Ser4MCCR0 = 0;
+	Ser4SSCR0 = 0x0387;
+	Ser4SSCR1 = 0x18;
+
+	/* clear out any left over data */
+	ssp_flush();
+
+	/* enable MCU */
+	jornada_ssp_start();
+
+	/* see if return value makes sense */
+	ret = jornada_ssp_inout(GETBRIGHTNESS);
+
+	/* seems like it worked, just feed it with TxDummy to get rid of data */
+	if (ret == TxDummy)
+		jornada_ssp_inout(TXDUMMY);
+
+	jornada_ssp_end();
+
+	/* failed, lets just kill everything */
+	if (ret == -ETIMEDOUT) {
+		printk(KERN_WARNING "SSP: attempts failed, bailing\n");
+		ssp_exit();
+		return -ENODEV;
+	}
+
+	/* all fine */
+	printk(KERN_INFO "SSP: device initialized\n");
+	return 0;
+};
+
+static int jornada_ssp_remove(struct platform_device *dev)
+{
+	/* Note that this doesnt actually remove the driver, since theres nothing to remove
+	 * It just makes sure everything is turned off */
+	GPSR = GPIO_GPIO25;
+	ssp_exit();
+	return 0;
+};
+
+struct platform_driver jornadassp_driver = {
+	.probe	= jornada_ssp_probe,
+	.remove	= jornada_ssp_remove,
+	.driver	= {
+		.name	= "jornada_ssp",
+	},
+};
+
+static int __init jornada_ssp_init(void)
+{
+	return platform_driver_register(&jornadassp_driver);
+}

arch/arm/mach-sa1100/neponset.c

@@ -292,6 +292,8 @@ static struct platform_device *devices[] __initdata = {
 	&smc91x_device,
 };
 
+extern void sa1110_mb_disable(void);
+
 static int __init neponset_init(void)
 {
 	platform_driver_register(&neponset_device_driver);

arch/arm/mm/Kconfig

@@ -345,13 +345,14 @@ config CPU_XSC3
 # ARMv6
 config CPU_V6
 	bool "Support ARM V6 processor"
-	depends on ARCH_INTEGRATOR || MACH_REALVIEW_EB || ARCH_OMAP2
+	depends on ARCH_INTEGRATOR || MACH_REALVIEW_EB || ARCH_OMAP2 || ARCH_MX3
+	default y if ARCH_MX3
 	select CPU_32v6
 	select CPU_ABRT_EV6
 	select CPU_CACHE_V6
 	select CPU_CACHE_VIPT
 	select CPU_CP15_MMU
-	select CPU_HAS_ASID
+	select CPU_HAS_ASID if MMU
 	select CPU_COPY_V6 if MMU
 	select CPU_TLB_V6 if MMU
 
@@ -359,7 +360,7 @@ config CPU_V6
 config CPU_32v6K
 	bool "Support ARM V6K processor extensions" if !SMP
 	depends on CPU_V6
-	default y if SMP
+	default y if SMP && !ARCH_MX3
 	help
 	  Say Y here if your ARMv6 processor supports the 'K' extension.
 	  This enables the kernel to use some instructions not present
@@ -377,7 +378,7 @@ config CPU_V7
 	select CPU_CACHE_V7
 	select CPU_CACHE_VIPT
 	select CPU_CP15_MMU
-	select CPU_HAS_ASID
+	select CPU_HAS_ASID if MMU
 	select CPU_COPY_V6 if MMU
 	select CPU_TLB_V7 if MMU
 
@@ -405,6 +406,7 @@ config CPU_32v5
 
 config CPU_32v6
 	bool
+	select TLS_REG_EMUL if !CPU_32v6K && !MMU
 
 config CPU_32v7
 	bool
@@ -598,7 +600,7 @@ config CPU_DCACHE_SIZE
 
 config CPU_DCACHE_WRITETHROUGH
 	bool "Force write through D-cache"
-	depends on (CPU_ARM740T || CPU_ARM920T || CPU_ARM922T || CPU_ARM925T || CPU_ARM926T || CPU_ARM940T || CPU_ARM946E || CPU_ARM1020 || CPU_V6) && !CPU_DCACHE_DISABLE
+	depends on (CPU_ARM740T || CPU_ARM920T || CPU_ARM922T || CPU_ARM925T || CPU_ARM926T || CPU_ARM940T || CPU_ARM946E || CPU_ARM1020) && !CPU_DCACHE_DISABLE
 	default y if CPU_ARM925T
 	help
 	  Say Y here to use the data cache in writethrough mode. Unless you
@@ -611,12 +613,6 @@ config CPU_CACHE_ROUND_ROBIN
 	  Say Y here to use the predictable round-robin cache replacement
 	  policy.  Unless you specifically require this or are unsure, say N.
 
-config CPU_L2CACHE_DISABLE
-	bool "Disable level 2 cache"
-	depends on CPU_V7
-	help
-	  Say Y here to disable the level 2 cache.  If unsure, say N.
-
 config CPU_BPREDICT_DISABLE
 	bool "Disable branch prediction"
 	depends on CPU_ARM1020 || CPU_V6 || CPU_XSC3 || CPU_V7

arch/arm/mm/cache-l2x0.c

@@ -17,6 +17,7 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  */
 #include <linux/init.h>
+#include <linux/spinlock.h>
 
 #include <asm/cacheflush.h>
 #include <asm/io.h>
@@ -25,14 +26,19 @@
 #define CACHE_LINE_SIZE		32
 
 static void __iomem *l2x0_base;
+static DEFINE_SPINLOCK(l2x0_lock);
 
 static inline void sync_writel(unsigned long val, unsigned long reg,
 			       unsigned long complete_mask)
 {
+	unsigned long flags;
+
+	spin_lock_irqsave(&l2x0_lock, flags);
 	writel(val, l2x0_base + reg);
 	/* wait for the operation to complete */
 	while (readl(l2x0_base + reg) & complete_mask)
 		;
+	spin_unlock_irqrestore(&l2x0_lock, flags);
 }
 
 static inline void cache_sync(void)

arch/arm/mm/mmu.c

@@ -114,6 +114,10 @@ static void __init early_cachepolicy(char **p)
 	}
 	if (i == ARRAY_SIZE(cache_policies))
 		printk(KERN_ERR "ERROR: unknown or unsupported cache policy\n");
+	if (cpu_architecture() >= CPU_ARCH_ARMv6) {
+		printk(KERN_WARNING "Only cachepolicy=writeback supported on ARMv6 and later\n");
+		cachepolicy = CPOLICY_WRITEBACK;
+	}
 	flush_cache_all();
 	set_cr(cr_alignment);
 }
@@ -252,13 +256,15 @@ static void __init build_mem_type_table(void)
 	int cpu_arch = cpu_architecture();
 	int i;
 
+	if (cpu_arch < CPU_ARCH_ARMv6) {
 #if defined(CONFIG_CPU_DCACHE_DISABLE)
-	if (cachepolicy > CPOLICY_BUFFERED)
+		if (cachepolicy > CPOLICY_BUFFERED)
-		cachepolicy = CPOLICY_BUFFERED;
+			cachepolicy = CPOLICY_BUFFERED;
 #elif defined(CONFIG_CPU_DCACHE_WRITETHROUGH)
-	if (cachepolicy > CPOLICY_WRITETHROUGH)
+		if (cachepolicy > CPOLICY_WRITETHROUGH)
-		cachepolicy = CPOLICY_WRITETHROUGH;
+			cachepolicy = CPOLICY_WRITETHROUGH;
 #endif
+	}
 	if (cpu_arch < CPU_ARCH_ARMv5) {
 		if (cachepolicy >= CPOLICY_WRITEALLOC)
 			cachepolicy = CPOLICY_WRITEBACK;

arch/arm/mm/proc-syms.c

@@ -31,12 +31,14 @@ EXPORT_SYMBOL(__cpuc_coherent_kern_range);
 EXPORT_SYMBOL(cpu_cache);
 #endif
 
+#ifdef CONFIG_MMU
 #ifndef MULTI_USER
 EXPORT_SYMBOL(__cpu_clear_user_page);
 EXPORT_SYMBOL(__cpu_copy_user_page);
 #else
 EXPORT_SYMBOL(cpu_user);
 #endif
+#endif
 
 /*
  * No module should need to touch the TLB (and currently

arch/arm/mm/proc-v7.S

@@ -77,6 +77,7 @@ ENTRY(cpu_v7_dcache_clean_area)
  *	- we are not using split page tables
  */
 ENTRY(cpu_v7_switch_mm)
+#ifdef CONFIG_MMU
 	mov	r2, #0
 	ldr	r1, [r1, #MM_CONTEXT_ID]	@ get mm->context.id
 	orr	r0, r0, #TTB_RGN_OC_WB		@ mark PTWs outer cacheable, WB
@@ -86,6 +87,7 @@ ENTRY(cpu_v7_switch_mm)
 	isb
 	mcr	p15, 0, r1, c13, c0, 1		@ set context ID
 	isb
+#endif
 	mov	pc, lr
 
 /*
@@ -109,6 +111,7 @@ ENTRY(cpu_v7_switch_mm)
  *	  1111   0   1   1	r/w	r/w
  */
 ENTRY(cpu_v7_set_pte_ext)
+#ifdef CONFIG_MMU
 	str	r1, [r0], #-2048		@ linux version
 
 	bic	r3, r1, #0x000003f0
@@ -136,6 +139,7 @@ ENTRY(cpu_v7_set_pte_ext)
 
 	str	r3, [r0]
 	mcr	p15, 0, r0, c7, c10, 1		@ flush_pte
+#endif
 	mov	pc, lr
 
 cpu_v7_name:
@@ -169,6 +173,7 @@ __v7_setup:
 	mcr	p15, 0, r10, c7, c5, 0		@ I+BTB cache invalidate
 #endif
 	dsb
+#ifdef CONFIG_MMU
 	mcr	p15, 0, r10, c8, c7, 0		@ invalidate I + D TLBs
 	mcr	p15, 0, r10, c2, c0, 2		@ TTB control register
 	orr	r4, r4, #TTB_RGN_OC_WB		@ mark PTWs outer cacheable, WB
@@ -176,21 +181,12 @@ __v7_setup:
 	mcr	p15, 0, r4, c2, c0, 1		@ load TTB1
 	mov	r10, #0x1f			@ domains 0, 1 = manager
 	mcr	p15, 0, r10, c3, c0, 0		@ load domain access register
-#ifndef CONFIG_CPU_L2CACHE_DISABLE
-	@ L2 cache configuration in the L2 aux control register
-	mrc	p15, 1, r10, c9, c0, 2
-	bic	r10, r10, #(1 << 16)		@ L2 outer cache
-	mcr	p15, 1, r10, c9, c0, 2
-	@ L2 cache is enabled in the aux control register
-	mrc	p15, 0, r10, c1, c0, 1
-	orr	r10, r10, #2
-	mcr	p15, 0, r10, c1, c0, 1
 #endif
-	mrc	p15, 0, r0, c1, c0, 0		@ read control register
+	adr	r5, v7_crval
-	ldr	r10, cr1_clear			@ get mask for bits to clear
+	ldmia	r5, {r5, r6}
-	bic	r0, r0, r10			@ clear bits them
+   	mrc	p15, 0, r0, c1, c0, 0		@ read control register
-	ldr	r10, cr1_set			@ get mask for bits to set
+	bic	r0, r0, r5			@ clear bits them
-	orr	r0, r0, r10			@ set them
+	orr	r0, r0, r6			@ set them
 	mov	pc, lr				@ return to head.S:__ret
 
 	/*
@@ -199,12 +195,9 @@ __v7_setup:
 	 * rrrr rrrx xxx0 0101 xxxx xxxx x111 xxxx < forced
 	 *         0 110       0011 1.00 .111 1101 < we want
 	 */
-	.type	cr1_clear, #object
+	.type	v7_crval, #object
-	.type	cr1_set, #object
+v7_crval:
-cr1_clear:
+	crval	clear=0x0120c302, mmuset=0x00c0387d, ucset=0x00c0187c
-	.word	0x0120c302
-cr1_set:
-	.word	0x00c0387d
 
 __v7_setup_stack:
 	.space	4 * 11				@ 11 registers

arch/arm/plat-iop/time.c

@@ -78,6 +78,13 @@ static struct irqaction iop_timer_irq = {
 	.flags		= IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL,
 };
 
+static unsigned long iop_tick_rate;
+unsigned long get_iop_tick_rate(void)
+{
+	return iop_tick_rate;
+}
+EXPORT_SYMBOL(get_iop_tick_rate);
+
 void __init iop_init_time(unsigned long tick_rate)
 {
 	u32 timer_ctl;
@@ -85,6 +92,7 @@ void __init iop_init_time(unsigned long tick_rate)
 	ticks_per_jiffy = (tick_rate + HZ/2) / HZ;
 	ticks_per_usec = tick_rate / 1000000;
 	next_jiffy_time = 0xffffffff;
+	iop_tick_rate = tick_rate;
 
 	timer_ctl = IOP_TMR_EN | IOP_TMR_PRIVILEGED |
 			IOP_TMR_RELOAD | IOP_TMR_RATIO_1_1;

arch/arm/plat-mxc/Kconfig

@@ -0,0 +1,20 @@
+if ARCH_MXC
+
+menu "Freescale MXC Implementations"
+
+choice
+	prompt "MXC/iMX System Type"
+	default 0
+
+config ARCH_MX3
+	bool "MX3-based"
+	help
+	  This enables support for systems based on the Freescale i.MX3 family
+
+endchoice
+
+source "arch/arm/mach-mx3/Kconfig"
+
+endmenu
+
+endif

arch/arm/plat-mxc/Makefile

@@ -0,0 +1,10 @@
+#
+# Makefile for the linux kernel.
+#
+
+# Common support
+obj-y := irq.o
+
+obj-m :=
+obj-n :=
+obj-  :=

arch/arm/plat-mxc/irq.c

@@ -0,0 +1,83 @@
+/*
+ *  Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved.
+ */
+
+/*
+ * 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 <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/init.h>
+#include <linux/device.h>
+#include <linux/errno.h>
+#include <asm/hardware.h>
+#include <asm/io.h>
+#include <asm/irq.h>
+#include <asm/mach/irq.h>
+#include <asm/arch/common.h>
+
+/*!
+ * Disable interrupt number "irq" in the AVIC
+ *
+ * @param  irq          interrupt source number
+ */
+static void mxc_mask_irq(unsigned int irq)
+{
+	__raw_writel(irq, AVIC_INTDISNUM);
+}
+
+/*!
+ * Enable interrupt number "irq" in the AVIC
+ *
+ * @param  irq          interrupt source number
+ */
+static void mxc_unmask_irq(unsigned int irq)
+{
+	__raw_writel(irq, AVIC_INTENNUM);
+}
+
+static struct irq_chip mxc_avic_chip = {
+	.mask_ack = mxc_mask_irq,
+	.mask = mxc_mask_irq,
+	.unmask = mxc_unmask_irq,
+};
+
+/*!
+ * This function initializes the AVIC hardware and disables all the
+ * interrupts. It registers the interrupt enable and disable functions
+ * to the kernel for each interrupt source.
+ */
+void __init mxc_init_irq(void)
+{
+	int i;
+	u32 reg;
+
+	/* put the AVIC into the reset value with
+	 * all interrupts disabled
+	 */
+	__raw_writel(0, AVIC_INTCNTL);
+	__raw_writel(0x1f, AVIC_NIMASK);
+
+	/* disable all interrupts */
+	__raw_writel(0, AVIC_INTENABLEH);
+	__raw_writel(0, AVIC_INTENABLEL);
+
+	/* all IRQ no FIQ */
+	__raw_writel(0, AVIC_INTTYPEH);
+	__raw_writel(0, AVIC_INTTYPEL);
+	for (i = 0; i < MXC_MAX_INT_LINES; i++) {
+		set_irq_chip(i, &mxc_avic_chip);
+		set_irq_handler(i, handle_level_irq);
+		set_irq_flags(i, IRQF_VALID);
+	}
+
+	/* Set WDOG2's interrupt the highest priority level (bit 28-31) */
+	reg = __raw_readl(AVIC_NIPRIORITY6);
+	reg |= (0xF << 28);
+	__raw_writel(reg, AVIC_NIPRIORITY6);
+
+	printk(KERN_INFO "MXC IRQ initialized\n");
+}

arch/arm/plat-s3c/Kconfig

@@ -0,0 +1,104 @@
+# arch/arm/plat-s3c/Kconfig
+#
+# Copyright 2007 Simtec Electronics
+#
+# Licensed under GPLv2
+
+config PLAT_S3C
+	bool
+	depends on ARCH_S3C2410
+	default y if ARCH_S3C2410
+	select NO_IOPORT
+	help
+	  Base platform code for any Samsung S3C device
+
+# low-level serial option nodes
+
+config CPU_LLSERIAL_S3C2410_ONLY
+	bool
+	depends on ARCH_S3C2410
+	default y if CPU_LLSERIAL_S3C2410 && !CPU_LLSERIAL_S3C2440
+
+config CPU_LLSERIAL_S3C2440_ONLY
+	bool
+	depends on ARCH_S3C2410
+	default y if CPU_LLSERIAL_S3C2440 && !CPU_LLSERIAL_S3C2410
+
+config CPU_LLSERIAL_S3C2410
+	bool
+	depends on ARCH_S3C2410
+	help
+	  Selected if there is an S3C2410 (or register compatible) serial
+	  low-level implementation needed
+
+config CPU_LLSERIAL_S3C2440
+	bool
+	depends on ARCH_S3C2410
+	help
+	  Selected if there is an S3C2440 (or register compatible) serial
+	  low-level implementation needed
+
+# boot configurations
+
+comment "Boot options"
+
+config S3C_BOOT_WATCHDOG
+	bool "S3C Initialisation watchdog"
+	depends on PLAT_S3C && S3C2410_WATCHDOG
+	help
+	  Say y to enable the watchdog during the kernel decompression
+	  stage. If the kernel fails to uncompress, then the watchdog
+	  will trigger a reset and the system should restart.
+
+config S3C_BOOT_ERROR_RESET
+	bool "S3C Reboot on decompression error"
+	depends on PLAT_S3C
+	help
+	  Say y here to use the watchdog to reset the system if the
+	  kernel decompressor detects an error during decompression.
+
+comment "Power management"
+
+config S3C2410_PM_DEBUG
+	bool "S3C2410 PM Suspend debug"
+	depends on PLAT_S3C && PM
+	help
+	  Say Y here if you want verbose debugging from the PM Suspend and
+	  Resume code. See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
+	  for more information.
+
+config S3C2410_PM_CHECK
+	bool "S3C2410 PM Suspend Memory CRC"
+	depends on PLAT_S3C && PM && CRC32
+	help
+ 	  Enable the PM code's memory area checksum over sleep. This option
+	  will generate CRCs of all blocks of memory, and store them before
+	  going to sleep. The blocks are then checked on resume for any
+	  errors.
+
+	  Note, this can take several seconds depending on memory size
+	  and CPU speed.
+
+	  See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
+
+config S3C2410_PM_CHECK_CHUNKSIZE
+	int "S3C2410 PM Suspend CRC Chunksize (KiB)"
+	depends on PLAT_S3C && PM && S3C2410_PM_CHECK
+	default 64
+	help
+	  Set the chunksize in Kilobytes of the CRC for checking memory
+	  corruption over suspend and resume. A smaller value will mean that
+	  the CRC data block will take more memory, but wil identify any
+	  faults with better precision.
+
+	  See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
+
+config S3C_LOWLEVEL_UART_PORT
+	int "S3C UART to use for low-level messages"
+	depends on PLAT_S3C
+	default 0
+	help
+	  Choice of which UART port to use for the low-level messages,
+	  such as the `Uncompressing...` at start time. The value of
+	  this configuration should be between zero and two. The port
+	  must have been initialised by the boot-loader before use.

arch/arm/plat-s3c24xx/Kconfig

@@ -10,7 +10,7 @@ config PLAT_S3C24XX
 	default y if ARCH_S3C2410
 	select NO_IOPORT
 	help
-	  Base platform code for any Samsung S3C device
+	  Base platform code for any Samsung S3C24XX device
 
 if PLAT_S3C24XX
 
@@ -26,64 +26,6 @@ config PM_SIMTEC
 	  Common power management code for systems that are
 	  compatible with the Simtec style of power management
 
-config S3C2410_BOOT_WATCHDOG
-	bool "S3C2410 Initialisation watchdog"
-	depends on ARCH_S3C2410 && S3C2410_WATCHDOG
-	help
-	  Say y to enable the watchdog during the kernel decompression
-	  stage. If the kernel fails to uncompress, then the watchdog
-	  will trigger a reset and the system should restart.
-
-config S3C2410_BOOT_ERROR_RESET
-	bool "S3C2410 Reboot on decompression error"
-	depends on ARCH_S3C2410
-	help
-	  Say y here to use the watchdog to reset the system if the
-	  kernel decompressor detects an error during decompression.
-
-config S3C2410_PM_DEBUG
-	bool "S3C2410 PM Suspend debug"
-	depends on ARCH_S3C2410 && PM
-	help
-	  Say Y here if you want verbose debugging from the PM Suspend and
-	  Resume code. See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
-	  for more information.
-
-config S3C2410_PM_CHECK
-	bool "S3C2410 PM Suspend Memory CRC"
-	depends on ARCH_S3C2410 && PM && CRC32
-	help
- 	  Enable the PM code's memory area checksum over sleep. This option
-	  will generate CRCs of all blocks of memory, and store them before
-	  going to sleep. The blocks are then checked on resume for any
-	  errors.
-
-	  Note, this can take several seconds depending on memory size
-	  and CPU speed.
-
-	  See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
-
-config S3C2410_PM_CHECK_CHUNKSIZE
-	int "S3C2410 PM Suspend CRC Chunksize (KiB)"
-	depends on ARCH_S3C2410 && PM && S3C2410_PM_CHECK
-	default 64
-	help
-	  Set the chunksize in Kilobytes of the CRC for checking memory
-	  corruption over suspend and resume. A smaller value will mean that
-	  the CRC data block will take more memory, but wil identify any
-	  faults with better precision.
-
-	  See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
-
-config S3C2410_LOWLEVEL_UART_PORT
-	int "S3C2410 UART to use for low-level messages"
-	default 0
-	help
-	  Choice of which UART port to use for the low-level messages,
-	  such as the `Uncompressing...` at start time. The value of
-	  this configuration should be between zero and two. The port
-	  must have been initialised by the boot-loader before use.
-
 config S3C2410_DMA
 	bool "S3C2410 DMA support"
 	depends on ARCH_S3C2410

arch/arm/plat-s3c24xx/common-smdk.c

@@ -38,7 +38,7 @@
 #include <asm/arch/regs-gpio.h>
 #include <asm/arch/leds-gpio.h>
 
-#include <asm/arch/nand.h>
+#include <asm/plat-s3c/nand.h>
 
 #include <asm/plat-s3c24xx/common-smdk.h>
 #include <asm/plat-s3c24xx/devs.h>

arch/arm/plat-s3c24xx/cpu.c

@@ -38,7 +38,7 @@
 #include <asm/mach/map.h>
 
 #include <asm/arch/regs-gpio.h>
-#include <asm/arch/regs-serial.h>
+#include <asm/plat-s3c/regs-serial.h>
 
 #include <asm/plat-s3c24xx/cpu.h>
 #include <asm/plat-s3c24xx/devs.h>

arch/arm/plat-s3c24xx/devs.c

@@ -28,12 +28,12 @@
 #include <asm/io.h>
 #include <asm/irq.h>
 
-#include <asm/arch/regs-serial.h>
+#include <asm/plat-s3c/regs-serial.h>
-#include <asm/arch/udc.h>
+#include <asm/plat-s3c24xx/udc.h>
 
 #include <asm/plat-s3c24xx/devs.h>
 #include <asm/plat-s3c24xx/cpu.h>
-#include <asm/arch/regs-spi.h>
+#include <asm/plat-s3c24xx/regs-spi.h>
 
 /* Serial port registrations */
 

arch/arm/plat-s3c24xx/pm.c

@@ -40,7 +40,7 @@
 #include <asm/hardware.h>
 #include <asm/io.h>
 
-#include <asm/arch/regs-serial.h>
+#include <asm/plat-s3c/regs-serial.h>
 #include <asm/arch/regs-clock.h>
 #include <asm/arch/regs-gpio.h>
 #include <asm/arch/regs-mem.h>

arch/arm/plat-s3c24xx/s3c244x.c

@@ -30,7 +30,7 @@
 #include <asm/irq.h>
 
 #include <asm/arch/regs-clock.h>
-#include <asm/arch/regs-serial.h>
+#include <asm/plat-s3c/regs-serial.h>
 #include <asm/arch/regs-gpio.h>
 #include <asm/arch/regs-gpioj.h>
 #include <asm/arch/regs-dsc.h>
@@ -47,7 +47,6 @@ static struct map_desc s3c244x_iodesc[] __initdata = {
 	IODESC_ENT(CLKPWR),
 	IODESC_ENT(TIMER),
 	IODESC_ENT(WATCHDOG),
-	IODESC_ENT(LCD),
 };
 
 /* uart initialisation */

arch/arm/plat-s3c24xx/sleep.S

@@ -32,7 +32,7 @@
 #include <asm/arch/regs-gpio.h>
 #include <asm/arch/regs-clock.h>
 #include <asm/arch/regs-mem.h>
-#include <asm/arch/regs-serial.h>
+#include <asm/plat-s3c/regs-serial.h>
 
 /* CONFIG_DEBUG_RESUME is dangerous if your bootloader does not
  * reset the UART configuration, only enable if you really need this!

arch/arm/plat-s3c24xx/time.c

@@ -33,7 +33,7 @@
 #include <asm/io.h>
 #include <asm/irq.h>
 #include <asm/arch/map.h>
-#include <asm/arch/regs-timer.h>
+#include <asm/plat-s3c/regs-timer.h>
 #include <asm/arch/regs-irq.h>
 #include <asm/mach/time.h>
 

arch/arm/vfp/vfphw.S

@@ -74,14 +74,14 @@ vfp_support_entry:
 
 	VFPFMRX	r1, FPEXC		@ Is the VFP enabled?
 	DBGSTR1	"fpexc %08x", r1
-	tst	r1, #FPEXC_ENABLE
+	tst	r1, #FPEXC_EN
 	bne	look_for_VFP_exceptions	@ VFP is already enabled
 
 	DBGSTR1 "enable %x", r10
 	ldr	r3, last_VFP_context_address
-	orr	r1, r1, #FPEXC_ENABLE	@ user FPEXC has the enable bit set
+	orr	r1, r1, #FPEXC_EN	@ user FPEXC has the enable bit set
 	ldr	r4, [r3, r11, lsl #2]	@ last_VFP_context pointer
-	bic	r5, r1, #FPEXC_EXCEPTION @ make sure exceptions are disabled
+	bic	r5, r1, #FPEXC_EX	@ make sure exceptions are disabled
 	cmp	r4, r10
 	beq	check_for_exception	@ we are returning to the same
 					@ process, so the registers are
@@ -124,7 +124,7 @@ no_old_VFP_process:
 	VFPFMXR	FPSCR, r5		@ restore status
 
 check_for_exception:
-	tst	r1, #FPEXC_EXCEPTION
+	tst	r1, #FPEXC_EX
 	bne	process_exception	@ might as well handle the pending
 					@ exception before retrying branch
 					@ out before setting an FPEXC that
@@ -136,10 +136,10 @@ check_for_exception:
 
 
 look_for_VFP_exceptions:
-	tst	r1, #FPEXC_EXCEPTION
+	tst	r1, #FPEXC_EX
 	bne	process_exception
 	VFPFMRX	r5, FPSCR
-	tst	r5, #FPSCR_IXE		@ IXE doesn't set FPEXC_EXCEPTION !
+	tst	r5, #FPSCR_IXE		@ IXE doesn't set FPEXC_EX !
 	bne	process_exception
 
 	@ Fall into hand on to next handler - appropriate coproc instr

arch/arm/vfp/vfpmodule.c

@@ -53,7 +53,7 @@ static int vfp_notifier(struct notifier_block *self, unsigned long cmd, void *v)
 		 * case the thread migrates to a different CPU. The
 		 * restoring is done lazily.
 		 */
-		if ((fpexc & FPEXC_ENABLE) && last_VFP_context[cpu]) {
+		if ((fpexc & FPEXC_EN) && last_VFP_context[cpu]) {
 			vfp_save_state(last_VFP_context[cpu], fpexc);
 			last_VFP_context[cpu]->hard.cpu = cpu;
 		}
@@ -70,7 +70,7 @@ static int vfp_notifier(struct notifier_block *self, unsigned long cmd, void *v)
 		 * Always disable VFP so we can lazily save/restore the
 		 * old state.
 		 */
-		fmxr(FPEXC, fpexc & ~FPEXC_ENABLE);
+		fmxr(FPEXC, fpexc & ~FPEXC_EN);
 		return NOTIFY_DONE;
 	}
 
@@ -81,13 +81,13 @@ static int vfp_notifier(struct notifier_block *self, unsigned long cmd, void *v)
 		 */
 		memset(vfp, 0, sizeof(union vfp_state));
 
-		vfp->hard.fpexc = FPEXC_ENABLE;
+		vfp->hard.fpexc = FPEXC_EN;
 		vfp->hard.fpscr = FPSCR_ROUND_NEAREST;
 
 		/*
 		 * Disable VFP to ensure we initialise it first.
 		 */
-		fmxr(FPEXC, fmrx(FPEXC) & ~FPEXC_ENABLE);
+		fmxr(FPEXC, fmrx(FPEXC) & ~FPEXC_EN);
 	}
 
 	/* flush and release case: Per-thread VFP cleanup. */
@@ -229,7 +229,7 @@ void VFP9_bounce(u32 trigger, u32 fpexc, struct pt_regs *regs)
 	/*
 	 * Enable access to the VFP so we can handle the bounce.
 	 */
-	fmxr(FPEXC, fpexc & ~(FPEXC_EXCEPTION|FPEXC_INV|FPEXC_UFC|FPEXC_IOC));
+	fmxr(FPEXC, fpexc & ~(FPEXC_EX|FPEXC_INV|FPEXC_UFC|FPEXC_IOC));
 
 	orig_fpscr = fpscr = fmrx(FPSCR);
 
@@ -248,7 +248,7 @@ void VFP9_bounce(u32 trigger, u32 fpexc, struct pt_regs *regs)
 	/*
 	 * Modify fpscr to indicate the number of iterations remaining
 	 */
-	if (fpexc & FPEXC_EXCEPTION) {
+	if (fpexc & FPEXC_EX) {
 		u32 len;
 
 		len = fpexc + (1 << FPEXC_LENGTH_BIT);

drivers/char/watchdog/Kconfig

@@ -187,6 +187,22 @@ config PNX4008_WATCHDOG
 
 	  Say N if you are unsure.
 
+config IOP_WATCHDOG
+	tristate "IOP Watchdog"
+	depends on WATCHDOG && PLAT_IOP
+	select WATCHDOG_NOWAYOUT if (ARCH_IOP32X || ARCH_IOP33X)
+	help
+	  Say Y here if to include support for the watchdog timer
+	  in the Intel IOP3XX & IOP13XX I/O Processors.  This driver can
+	  be built as a module by choosing M. The module will
+	  be called iop_wdt.
+
+	  Note: The IOP13XX watchdog does an Internal Bus Reset which will
+	  affect both cores and the peripherals of the IOP.  The ATU-X
+	  and/or ATUe configuration registers will remain intact, but if
+	  operating as an Root Complex and/or Central Resource, the PCI-X
+	  and/or PCIe busses will also be reset.  THIS IS A VERY BIG HAMMER.
+
 # AVR32 Architecture
 
 config AT32AP700X_WDT

drivers/char/watchdog/Makefile

@@ -35,6 +35,7 @@ obj-$(CONFIG_SA1100_WATCHDOG) += sa1100_wdt.o
 obj-$(CONFIG_MPCORE_WATCHDOG) += mpcore_wdt.o
 obj-$(CONFIG_EP93XX_WATCHDOG) += ep93xx_wdt.o
 obj-$(CONFIG_PNX4008_WATCHDOG) += pnx4008_wdt.o
+obj-$(CONFIG_IOP_WATCHDOG) += iop_wdt.o
 
 # AVR32 Architecture
 obj-$(CONFIG_AT32AP700X_WDT) += at32ap700x_wdt.o

drivers/char/watchdog/iop_wdt.c

@@ -0,0 +1,262 @@
+/*
+ * drivers/char/watchdog/iop_wdt.c
+ *
+ * WDT driver for Intel I/O Processors
+ * Copyright (C) 2005, Intel Corporation.
+ *
+ * Based on ixp4xx driver, Copyright 2004 (c) MontaVista, Software, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * 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., 59 Temple
+ * Place - Suite 330, Boston, MA 02111-1307 USA.
+ *
+ *	Curt E Bruns <curt.e.bruns@intel.com>
+ *	Peter Milne <peter.milne@d-tacq.com>
+ *	Dan Williams <dan.j.williams@intel.com>
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/fs.h>
+#include <linux/init.h>
+#include <linux/device.h>
+#include <linux/miscdevice.h>
+#include <linux/watchdog.h>
+#include <linux/uaccess.h>
+#include <asm/hardware.h>
+
+static int nowayout = WATCHDOG_NOWAYOUT;
+static unsigned long wdt_status;
+static unsigned long boot_status;
+
+#define WDT_IN_USE		0
+#define WDT_OK_TO_CLOSE		1
+#define WDT_ENABLED		2
+
+static unsigned long iop_watchdog_timeout(void)
+{
+	return (0xffffffffUL / get_iop_tick_rate());
+}
+
+/**
+ * wdt_supports_disable - determine if we are accessing a iop13xx watchdog
+ * or iop3xx by whether it has a disable command
+ */
+static int wdt_supports_disable(void)
+{
+	int can_disable;
+
+	if (IOP_WDTCR_EN_ARM != IOP_WDTCR_DIS_ARM)
+		can_disable = 1;
+	else
+		can_disable = 0;
+
+	return can_disable;
+}
+
+static void wdt_enable(void)
+{
+	/* Arm and enable the Timer to starting counting down from 0xFFFF.FFFF
+	 * Takes approx. 10.7s to timeout
+	 */
+	write_wdtcr(IOP_WDTCR_EN_ARM);
+	write_wdtcr(IOP_WDTCR_EN);
+}
+
+/* returns 0 if the timer was successfully disabled */
+static int wdt_disable(void)
+{
+	/* Stop Counting */
+	if (wdt_supports_disable()) {
+		write_wdtcr(IOP_WDTCR_DIS_ARM);
+		write_wdtcr(IOP_WDTCR_DIS);
+		clear_bit(WDT_ENABLED, &wdt_status);
+		printk(KERN_INFO "WATCHDOG: Disabled\n");
+		return 0;
+	} else
+		return 1;
+}
+
+static int iop_wdt_open(struct inode *inode, struct file *file)
+{
+	if (test_and_set_bit(WDT_IN_USE, &wdt_status))
+		return -EBUSY;
+
+	clear_bit(WDT_OK_TO_CLOSE, &wdt_status);
+
+	wdt_enable();
+
+	set_bit(WDT_ENABLED, &wdt_status);
+
+	return nonseekable_open(inode, file);
+}
+
+static ssize_t
+iop_wdt_write(struct file *file, const char *data, size_t len,
+		  loff_t *ppos)
+{
+	if (len) {
+		if (!nowayout) {
+			size_t i;
+
+			clear_bit(WDT_OK_TO_CLOSE, &wdt_status);
+
+			for (i = 0; i != len; i++) {
+				char c;
+
+				if (get_user(c, data + i))
+					return -EFAULT;
+				if (c == 'V')
+					set_bit(WDT_OK_TO_CLOSE, &wdt_status);
+			}
+		}
+		wdt_enable();
+	}
+
+	return len;
+}
+
+static struct watchdog_info ident = {
+	.options = WDIOF_CARDRESET | WDIOF_MAGICCLOSE | WDIOF_KEEPALIVEPING,
+	.identity = "iop watchdog",
+};
+
+static int
+iop_wdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
+		  unsigned long arg)
+{
+	int options;
+	int ret = -ENOTTY;
+
+	switch (cmd) {
+	case WDIOC_GETSUPPORT:
+		if (copy_to_user
+		    ((struct watchdog_info *)arg, &ident, sizeof ident))
+			ret = -EFAULT;
+		else
+			ret = 0;
+		break;
+
+	case WDIOC_GETSTATUS:
+		ret = put_user(0, (int *)arg);
+		break;
+
+	case WDIOC_GETBOOTSTATUS:
+		ret = put_user(boot_status, (int *)arg);
+		break;
+
+	case WDIOC_GETTIMEOUT:
+		ret = put_user(iop_watchdog_timeout(), (int *)arg);
+		break;
+
+	case WDIOC_KEEPALIVE:
+		wdt_enable();
+		ret = 0;
+		break;
+
+	case WDIOC_SETOPTIONS:
+		if (get_user(options, (int *)arg))
+			return -EFAULT;
+
+		if (options & WDIOS_DISABLECARD) {
+			if (!nowayout) {
+				if (wdt_disable() == 0) {
+					set_bit(WDT_OK_TO_CLOSE, &wdt_status);
+					ret = 0;
+				} else
+					ret = -ENXIO;
+			} else
+				ret = 0;
+		}
+
+		if (options & WDIOS_ENABLECARD) {
+			wdt_enable();
+			ret = 0;
+		}
+		break;
+	}
+
+	return ret;
+}
+
+static int iop_wdt_release(struct inode *inode, struct file *file)
+{
+	int state = 1;
+	if (test_bit(WDT_OK_TO_CLOSE, &wdt_status))
+		if (test_bit(WDT_ENABLED, &wdt_status))
+			state = wdt_disable();
+
+	/* if the timer is not disbaled reload and notify that we are still
+	 * going down
+	 */
+	if (state != 0) {
+		wdt_enable();
+		printk(KERN_CRIT "WATCHDOG: Device closed unexpectedly - "
+		       "reset in %lu seconds\n", iop_watchdog_timeout());
+	}
+
+	clear_bit(WDT_IN_USE, &wdt_status);
+	clear_bit(WDT_OK_TO_CLOSE, &wdt_status);
+
+	return 0;
+}
+
+static const struct file_operations iop_wdt_fops = {
+	.owner = THIS_MODULE,
+	.llseek = no_llseek,
+	.write = iop_wdt_write,
+	.ioctl = iop_wdt_ioctl,
+	.open = iop_wdt_open,
+	.release = iop_wdt_release,
+};
+
+static struct miscdevice iop_wdt_miscdev = {
+	.minor = WATCHDOG_MINOR,
+	.name = "watchdog",
+	.fops = &iop_wdt_fops,
+};
+
+static int __init iop_wdt_init(void)
+{
+	int ret;
+
+	ret = misc_register(&iop_wdt_miscdev);
+	if (ret == 0)
+		printk("iop watchdog timer: timeout %lu sec\n",
+		       iop_watchdog_timeout());
+
+	/* check if the reset was caused by the watchdog timer */
+	boot_status = (read_rcsr() & IOP_RCSR_WDT) ? WDIOF_CARDRESET : 0;
+
+	/* Configure Watchdog Timeout to cause an Internal Bus (IB) Reset
+	 * NOTE: An IB Reset will Reset both cores in the IOP342
+	 */
+	write_wdtsr(IOP13XX_WDTCR_IB_RESET);
+
+	return ret;
+}
+
+static void __exit iop_wdt_exit(void)
+{
+	misc_deregister(&iop_wdt_miscdev);
+}
+
+module_init(iop_wdt_init);
+module_exit(iop_wdt_exit);
+
+module_param(nowayout, int, 0);
+MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started");
+
+MODULE_AUTHOR("Curt E Bruns <curt.e.bruns@intel.com>");
+MODULE_DESCRIPTION("iop watchdog timer driver");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);

drivers/net/arm/ether1.c

@@ -36,7 +36,6 @@
 #include <linux/types.h>
 #include <linux/fcntl.h>
 #include <linux/interrupt.h>
-#include <linux/ptrace.h>
 #include <linux/ioport.h>
 #include <linux/in.h>
 #include <linux/slab.h>
@@ -75,7 +74,7 @@ static void ether1_timeout(struct net_device *dev);
 
 /* ------------------------------------------------------------------------- */
 
-static char version[] __initdata = "ether1 ethernet driver (c) 2000 Russell King v1.07\n";
+static char version[] __devinitdata = "ether1 ethernet driver (c) 2000 Russell King v1.07\n";
 
 #define BUS_16 16
 #define BUS_8  8

drivers/net/arm/ether3.c

@@ -51,7 +51,6 @@
 #include <linux/types.h>
 #include <linux/fcntl.h>
 #include <linux/interrupt.h>
-#include <linux/ptrace.h>
 #include <linux/ioport.h>
 #include <linux/in.h>
 #include <linux/slab.h>
@@ -69,7 +68,7 @@
 #include <asm/ecard.h>
 #include <asm/io.h>
 
-static char version[] __initdata = "ether3 ethernet driver (c) 1995-2000 R.M.King v1.17\n";
+static char version[] __devinitdata = "ether3 ethernet driver (c) 1995-2000 R.M.King v1.17\n";
 
 #include "ether3.h"
 

drivers/net/arm/etherh.c

@@ -31,7 +31,6 @@
 #include <linux/types.h>
 #include <linux/fcntl.h>
 #include <linux/interrupt.h>
-#include <linux/ptrace.h>
 #include <linux/ioport.h>
 #include <linux/in.h>
 #include <linux/slab.h>

drivers/scsi/arm/cumana_1.c

@@ -24,7 +24,7 @@
 
 #define CUMANASCSI_PUBLIC_RELEASE 1
 
-#define NCR5380_implementation_fields	int port, ctrl
+#define priv(host)			((struct NCR5380_hostdata *)(host)->hostdata)
 #define NCR5380_local_declare()		struct Scsi_Host *_instance
 #define NCR5380_setup(instance)		_instance = instance
 #define NCR5380_read(reg)		cumanascsi_read(_instance, reg)
@@ -33,6 +33,11 @@
 #define NCR5380_queue_command		cumanascsi_queue_command
 #define NCR5380_proc_info		cumanascsi_proc_info
 
+#define NCR5380_implementation_fields	\
+	unsigned ctrl;			\
+	void __iomem *base;		\
+	void __iomem *dma
+
 #define BOARD_NORMAL	0
 #define BOARD_NCR53C400	1
 
@@ -47,193 +52,163 @@ const char *cumanascsi_info(struct Scsi_Host *spnt)
 	return "";
 }
 
-#ifdef NOT_EFFICIENT
+#define CTRL	0x16fc
-#define CTRL(p,v)     outb(*ctrl = (v), (p) - 577)
+#define STAT	0x2004
-#define STAT(p)       inb((p)+1)
+#define L(v)	(((v)<<16)|((v) & 0x0000ffff))
-#define IN(p)         inb((p))
+#define H(v)	(((v)>>16)|((v) & 0xffff0000))
-#define OUT(v,p)      outb((v), (p))
-#else
-#define CTRL(p,v)	(p[-2308] = (*ctrl = (v)))
-#define STAT(p)		(p[4])
-#define IN(p)		(*(p))
-#define IN2(p)		((unsigned short)(*(volatile unsigned long *)(p)))
-#define OUT(v,p)	(*(p) = (v))
-#define OUT2(v,p)	(*((volatile unsigned long *)(p)) = (v))
-#endif
-#define L(v)		(((v)<<16)|((v) & 0x0000ffff))
-#define H(v)		(((v)>>16)|((v) & 0xffff0000))
 
 static inline int
-NCR5380_pwrite(struct Scsi_Host *instance, unsigned char *addr, int len)
+NCR5380_pwrite(struct Scsi_Host *host, unsigned char *addr, int len)
 {
-  int *ctrl = &((struct NCR5380_hostdata *)instance->hostdata)->ctrl;
-  int oldctrl = *ctrl;
   unsigned long *laddr;
-#ifdef NOT_EFFICIENT
+  void __iomem *dma = priv(host)->dma + 0x2000;
-  int iobase = instance->io_port;
-  int dma_io = iobase & ~(0x3C0000>>2);
-#else
-  volatile unsigned char *iobase = (unsigned char *)ioaddr(instance->io_port);
-  volatile unsigned char *dma_io = (unsigned char *)((int)iobase & ~0x3C0000);
-#endif
 
   if(!len) return 0;
 
-  CTRL(iobase, 0x02);
+  writeb(0x02, priv(host)->base + CTRL);
   laddr = (unsigned long *)addr;
   while(len >= 32)
   {
-    int status;
+    unsigned int status;
     unsigned long v;
-    status = STAT(iobase);
+    status = readb(priv(host)->base + STAT);
     if(status & 0x80)
       goto end;
     if(!(status & 0x40))
       continue;
-    v=*laddr++; OUT2(L(v),dma_io); OUT2(H(v),dma_io);
+    v=*laddr++; writew(L(v), dma); writew(H(v), dma);
-    v=*laddr++; OUT2(L(v),dma_io); OUT2(H(v),dma_io);
+    v=*laddr++; writew(L(v), dma); writew(H(v), dma);
-    v=*laddr++; OUT2(L(v),dma_io); OUT2(H(v),dma_io);
+    v=*laddr++; writew(L(v), dma); writew(H(v), dma);
-    v=*laddr++; OUT2(L(v),dma_io); OUT2(H(v),dma_io);
+    v=*laddr++; writew(L(v), dma); writew(H(v), dma);
-    v=*laddr++; OUT2(L(v),dma_io); OUT2(H(v),dma_io);
+    v=*laddr++; writew(L(v), dma); writew(H(v), dma);
-    v=*laddr++; OUT2(L(v),dma_io); OUT2(H(v),dma_io);
+    v=*laddr++; writew(L(v), dma); writew(H(v), dma);
-    v=*laddr++; OUT2(L(v),dma_io); OUT2(H(v),dma_io);
+    v=*laddr++; writew(L(v), dma); writew(H(v), dma);
-    v=*laddr++; OUT2(L(v),dma_io); OUT2(H(v),dma_io);
+    v=*laddr++; writew(L(v), dma); writew(H(v), dma);
     len -= 32;
     if(len == 0)
       break;
   }
 
   addr = (unsigned char *)laddr;
-  CTRL(iobase, 0x12);
+  writeb(0x12, priv(host)->base + CTRL);
+
   while(len > 0)
   {
-    int status;
+    unsigned int status;
-    status = STAT(iobase);
+    status = readb(priv(host)->base + STAT);
     if(status & 0x80)
       goto end;
     if(status & 0x40)
     {
-      OUT(*addr++, dma_io);
+      writeb(*addr++, dma);
       if(--len == 0)
         break;
     }
 
-    status = STAT(iobase);
+    status = readb(priv(host)->base + STAT);
     if(status & 0x80)
       goto end;
     if(status & 0x40)
     {
-      OUT(*addr++, dma_io);
+      writeb(*addr++, dma);
       if(--len == 0)
         break;
     }
   }
 end:
-  CTRL(iobase, oldctrl|0x40);
+  writeb(priv(host)->ctrl | 0x40, priv(host)->base + CTRL);
   return len;
 }
 
 static inline int
-NCR5380_pread(struct Scsi_Host *instance, unsigned char *addr, int len)
+NCR5380_pread(struct Scsi_Host *host, unsigned char *addr, int len)
 {
-  int *ctrl = &((struct NCR5380_hostdata *)instance->hostdata)->ctrl;
-  int oldctrl = *ctrl;
   unsigned long *laddr;
-#ifdef NOT_EFFICIENT
+  void __iomem *dma = priv(host)->dma + 0x2000;
-  int iobase = instance->io_port;
-  int dma_io = iobase & ~(0x3C0000>>2);
-#else
-  volatile unsigned char *iobase = (unsigned char *)ioaddr(instance->io_port);
-  volatile unsigned char *dma_io = (unsigned char *)((int)iobase & ~0x3C0000);
-#endif
 
   if(!len) return 0;
 
-  CTRL(iobase, 0x00);
+  writeb(0x00, priv(host)->base + CTRL);
   laddr = (unsigned long *)addr;
   while(len >= 32)
   {
-    int status;
+    unsigned int status;
-    status = STAT(iobase);
+    status = readb(priv(host)->base + STAT);
     if(status & 0x80)
       goto end;
     if(!(status & 0x40))
       continue;
-    *laddr++ = IN2(dma_io)|(IN2(dma_io)<<16);
+    *laddr++ = readw(dma) | (readw(dma) << 16);
-    *laddr++ = IN2(dma_io)|(IN2(dma_io)<<16);
+    *laddr++ = readw(dma) | (readw(dma) << 16);
-    *laddr++ = IN2(dma_io)|(IN2(dma_io)<<16);
+    *laddr++ = readw(dma) | (readw(dma) << 16);
-    *laddr++ = IN2(dma_io)|(IN2(dma_io)<<16);
+    *laddr++ = readw(dma) | (readw(dma) << 16);
-    *laddr++ = IN2(dma_io)|(IN2(dma_io)<<16);
+    *laddr++ = readw(dma) | (readw(dma) << 16);
-    *laddr++ = IN2(dma_io)|(IN2(dma_io)<<16);
+    *laddr++ = readw(dma) | (readw(dma) << 16);
-    *laddr++ = IN2(dma_io)|(IN2(dma_io)<<16);
+    *laddr++ = readw(dma) | (readw(dma) << 16);
-    *laddr++ = IN2(dma_io)|(IN2(dma_io)<<16);
+    *laddr++ = readw(dma) | (readw(dma) << 16);
     len -= 32;
     if(len == 0)
       break;
   }
 
   addr = (unsigned char *)laddr;
-  CTRL(iobase, 0x10);
+  writeb(0x10, priv(host)->base + CTRL);
+
   while(len > 0)
   {
-    int status;
+    unsigned int status;
-    status = STAT(iobase);
+    status = readb(priv(host)->base + STAT);
     if(status & 0x80)
       goto end;
     if(status & 0x40)
     {
-      *addr++ = IN(dma_io);
+      *addr++ = readb(dma);
       if(--len == 0)
         break;
     }
 
-    status = STAT(iobase);
+    status = readb(priv(host)->base + STAT);
     if(status & 0x80)
       goto end;
     if(status & 0x40)
     {
-      *addr++ = IN(dma_io);
+      *addr++ = readb(dma);
       if(--len == 0)
         break;
     }
   }
 end:
-  CTRL(iobase, oldctrl|0x40);
+  writeb(priv(host)->ctrl | 0x40, priv(host)->base + CTRL);
   return len;
 }
 
-#undef STAT
+static unsigned char cumanascsi_read(struct Scsi_Host *host, unsigned int reg)
-#undef CTRL
-#undef IN
-#undef OUT
-
-#define CTRL(p,v) outb(*ctrl = (v), (p) - 577)
-
-static char cumanascsi_read(struct Scsi_Host *instance, int reg)
 {
-	unsigned int iobase = instance->io_port;
+	void __iomem *base = priv(host)->base;
-	int i;
+	unsigned char val;
-	int *ctrl = &((struct NCR5380_hostdata *)instance->hostdata)->ctrl;
 
-	CTRL(iobase, 0);
+	writeb(0, base + CTRL);
-	i = inb(iobase + 64 + reg);
-	CTRL(iobase, 0x40);
 
-	return i;
+	val = readb(base + 0x2100 + (reg << 2));
+
+	priv(host)->ctrl = 0x40;
+	writeb(0x40, base + CTRL);
+
+	return val;
 }
 
-static void cumanascsi_write(struct Scsi_Host *instance, int reg, int value)
+static void cumanascsi_write(struct Scsi_Host *host, unsigned int reg, unsigned int value)
 {
-	int iobase = instance->io_port;
+	void __iomem *base = priv(host)->base;
-	int *ctrl = &((struct NCR5380_hostdata *)instance->hostdata)->ctrl;
 
-	CTRL(iobase, 0);
+	writeb(0, base + CTRL);
-	outb(value, iobase + 64 + reg);
+
-	CTRL(iobase, 0x40);
+	writeb(value, base + 0x2100 + (reg << 2));
+
+	priv(host)->ctrl = 0x40;
+	writeb(0x40, base + CTRL);
 }
 
-#undef CTRL
-
 #include "../NCR5380.c"
 
 static struct scsi_host_template cumanascsi_template = {
@@ -256,32 +231,46 @@ static int __devinit
 cumanascsi1_probe(struct expansion_card *ec, const struct ecard_id *id)
 {
 	struct Scsi_Host *host;
-	int ret = -ENOMEM;
+	int ret;
 
-	host = scsi_host_alloc(&cumanascsi_template, sizeof(struct NCR5380_hostdata));
+	ret = ecard_request_resources(ec);
-	if (!host)
+	if (ret)
 		goto out;
 
-        host->io_port = ecard_address(ec, ECARD_IOC, ECARD_SLOW) + 0x800;
+	host = scsi_host_alloc(&cumanascsi_template, sizeof(struct NCR5380_hostdata));
+	if (!host) {
+		ret = -ENOMEM;
+		goto out_release;
+	}
+
+	priv(host)->base = ioremap(ecard_resource_start(ec, ECARD_RES_IOCSLOW),
+				   ecard_resource_len(ec, ECARD_RES_IOCSLOW));
+	priv(host)->dma = ioremap(ecard_resource_start(ec, ECARD_RES_MEMC),
+				  ecard_resource_len(ec, ECARD_RES_MEMC));
+	if (!priv(host)->base || !priv(host)->dma) {
+		ret = -ENOMEM;
+		goto out_unmap;
+	}
+
 	host->irq = ec->irq;
 
 	NCR5380_init(host, 0);
 
+        priv(host)->ctrl = 0;
+        writeb(0, priv(host)->base + CTRL);
+
 	host->n_io_port = 255;
 	if (!(request_region(host->io_port, host->n_io_port, "CumanaSCSI-1"))) {
 		ret = -EBUSY;
-		goto out_free;
+		goto out_unmap;
 	}
 
-        ((struct NCR5380_hostdata *)host->hostdata)->ctrl = 0;
-        outb(0x00, host->io_port - 577);
-
 	ret = request_irq(host->irq, cumanascsi_intr, IRQF_DISABLED,
 			  "CumanaSCSI-1", host);
 	if (ret) {
 		printk("scsi%d: IRQ%d not free: %d\n",
 		    host->host_no, host->irq, ret);
-		goto out_release;
+		goto out_unmap;
 	}
 
 	printk("scsi%d: at port 0x%08lx irq %d",
@@ -301,10 +290,12 @@ cumanascsi1_probe(struct expansion_card *ec, const struct ecard_id *id)
 
  out_free_irq:
 	free_irq(host->irq, host);
- out_release:
+ out_unmap:
-	release_region(host->io_port, host->n_io_port);
+	iounmap(priv(host)->base);
- out_free:
+	iounmap(priv(host)->dma);
 	scsi_host_put(host);
+ out_release:
+	ecard_release_resources(ec);
  out:
 	return ret;
 }
@@ -318,8 +309,10 @@ static void __devexit cumanascsi1_remove(struct expansion_card *ec)
 	scsi_remove_host(host);
 	free_irq(host->irq, host);
 	NCR5380_exit(host);
-	release_region(host->io_port, host->n_io_port);
+	iounmap(priv(host)->base);
+	iounmap(priv(host)->dma);
 	scsi_host_put(host);
+	ecard_release_resources(ec);
 }
 
 static const struct ecard_id cumanascsi1_cids[] = {

drivers/scsi/arm/ecoscsi.c

@@ -34,35 +34,25 @@
 #include "../scsi.h"
 #include <scsi/scsi_host.h>
 
-#define NCR5380_implementation_fields	int port, ctrl
+#define priv(host)			((struct NCR5380_hostdata *)(host)->hostdata)
-#define NCR5380_local_declare()		struct Scsi_Host *_instance
-#define NCR5380_setup(instance)		_instance = instance
 
-#define NCR5380_read(reg)		ecoscsi_read(_instance, reg)
+#define NCR5380_local_declare()		void __iomem *_base
-#define NCR5380_write(reg, value)	ecoscsi_write(_instance, reg, value)
+#define NCR5380_setup(host)		_base = priv(host)->base
+
+#define NCR5380_read(reg)		({ writeb(reg | 8, _base); readb(_base + 4); })
+#define NCR5380_write(reg, value)	({ writeb(reg | 8, _base); writeb(value, _base + 4); })
 
 #define NCR5380_intr			ecoscsi_intr
 #define NCR5380_queue_command		ecoscsi_queue_command
 #define NCR5380_proc_info		ecoscsi_proc_info
 
+#define NCR5380_implementation_fields	\
+	void __iomem *base
+
 #include "../NCR5380.h"
 
 #define ECOSCSI_PUBLIC_RELEASE 1
 
-static char ecoscsi_read(struct Scsi_Host *instance, int reg)
-{
-  int iobase = instance->io_port;
-  outb(reg | 8, iobase);
-  return inb(iobase + 1);
-}
-
-static void ecoscsi_write(struct Scsi_Host *instance, int reg, int value)
-{
-  int iobase = instance->io_port;
-  outb(reg | 8, iobase);
-  outb(value, iobase + 1);
-}
-
 /*
  * Function : ecoscsi_setup(char *str, int *ints)
  *
@@ -82,73 +72,6 @@ const char * ecoscsi_info (struct Scsi_Host *spnt)
 	return "";
 }
 
-#if 0
-#define STAT(p) inw(p + 144)
-
-static inline int NCR5380_pwrite(struct Scsi_Host *host, unsigned char *addr,
-              int len)
-{
-  int iobase = host->io_port;
-printk("writing %p len %d\n",addr, len);
-  if(!len) return -1;
-
-  while(1)
-  {
-    int status;
-    while(((status = STAT(iobase)) & 0x100)==0);
-  }
-}
-
-static inline int NCR5380_pread(struct Scsi_Host *host, unsigned char *addr,
-              int len)
-{
-  int iobase = host->io_port;
-  int iobase2= host->io_port + 0x100;
-  unsigned char *start = addr;
-  int s;
-printk("reading %p len %d\n",addr, len);
-  outb(inb(iobase + 128), iobase + 135);
-  while(len > 0)
-  {
-    int status,b,i, timeout;
-    timeout = 0x07FFFFFF;
-    while(((status = STAT(iobase)) & 0x100)==0)
-    {
-      timeout--;
-      if(status & 0x200 || !timeout)
-      {
-        printk("status = %p\n",status);
-        outb(0, iobase + 135);
-        return 1;
-      }
-    }
-    if(len >= 128)
-    {
-      for(i=0; i<64; i++)
-      {
-        b = inw(iobase + 136);
-        *addr++ = b;
-        *addr++ = b>>8;
-      }
-      len -= 128;
-    }
-    else
-    {
-      b = inw(iobase + 136);
-      *addr ++ = b;
-      len -= 1;
-      if(len)
-        *addr ++ = b>>8;
-      len -= 1;
-    }
-  }
-  outb(0, iobase + 135);
-  printk("first bytes = %02X %02X %02X %20X %02X %02X %02X\n",*start, start[1], start[2], start[3], start[4], start[5], start[6]);
-  return 1;
-}
-#endif
-#undef STAT
-
 #define BOARD_NORMAL	0
 #define BOARD_NCR53C400	1
 
@@ -173,26 +96,37 @@ static struct Scsi_Host *host;
 
 static int __init ecoscsi_init(void)
 {
+	void __iomem *_base;
+	int ret;
+
+	if (!request_mem_region(0x33a0000, 4096, "ecoscsi")) {
+		ret = -EBUSY;
+		goto out;
+	}
+
+	_base = ioremap(0x33a0000, 4096);
+	if (!_base) {
+		ret = -ENOMEM;
+		goto out_release;
+	}
+
+	NCR5380_write(MODE_REG, 0x20);		/* Is it really SCSI? */
+	if (NCR5380_read(MODE_REG) != 0x20)	/* Write to a reg.    */
+		goto out_unmap;
+
+	NCR5380_write(MODE_REG, 0x00);		/* it back.	      */
+	if (NCR5380_read(MODE_REG) != 0x00)
+		goto out_unmap;
 
 	host = scsi_host_alloc(tpnt, sizeof(struct NCR5380_hostdata));
-	if (!host)
+	if (!host) {
-		return 0;
+		ret = -ENOMEM;
+		goto out_unmap;
+	}
 
-	host->io_port = 0x80ce8000;
+	priv(host)->base = _base;
-	host->n_io_port = 144;
 	host->irq = IRQ_NONE;
 
-	if (!(request_region(host->io_port, host->n_io_port, "ecoscsi")) )
-		goto unregister_scsi;
-
-	ecoscsi_write(host, MODE_REG, 0x20);		/* Is it really SCSI? */
-	if (ecoscsi_read(host, MODE_REG) != 0x20) /* Write to a reg.    */
-		goto release_reg;
-
-	ecoscsi_write(host, MODE_REG, 0x00 );		/* it back.	      */
-	if (ecoscsi_read(host, MODE_REG) != 0x00)
-		goto release_reg;
-
 	NCR5380_init(host, 0);
 
 	printk("scsi%d: at port 0x%08lx irqs disabled", host->host_no, host->io_port);
@@ -206,24 +140,20 @@ static int __init ecoscsi_init(void)
 	scsi_scan_host(host);
 	return 0;
 
-release_reg:
+ out_unmap:
-	release_region(host->io_port, host->n_io_port);
+	iounmap(_base);
-unregister_scsi:
+ out_release:
-	scsi_host_put(host);
+	release_mem_region(0x33a0000, 4096);
-	return -ENODEV;
+ out:
+	return ret;
 }
 
 static void __exit ecoscsi_exit(void)
 {
 	scsi_remove_host(host);
-
-	if (shpnt->irq != IRQ_NONE)
-		free_irq(shpnt->irq, NULL);
 	NCR5380_exit(host);
-	if (shpnt->io_port)
-		release_region(shpnt->io_port, shpnt->n_io_port);
-
 	scsi_host_put(host);
+	release_mem_region(0x33a0000, 4096);
 	return 0;
 }
 

drivers/scsi/arm/oak.c

@@ -23,15 +23,18 @@
 
 #define OAKSCSI_PUBLIC_RELEASE 1
 
-#define NCR5380_read(reg)		oakscsi_read(_instance, reg)
+#define priv(host)			((struct NCR5380_hostdata *)(host)->hostdata)
-#define NCR5380_write(reg, value)	oakscsi_write(_instance, reg, value)
+#define NCR5380_local_declare()		void __iomem *_base
+#define NCR5380_setup(host)		_base = priv(host)->base
+
+#define NCR5380_read(reg)		readb(_base + ((reg) << 2))
+#define NCR5380_write(reg, value)	writeb(value, _base + ((reg) << 2))
 #define NCR5380_intr			oakscsi_intr
 #define NCR5380_queue_command		oakscsi_queue_command
 #define NCR5380_proc_info		oakscsi_proc_info
 
-#define NCR5380_implementation_fields	int port, ctrl
+#define NCR5380_implementation_fields	\
-#define NCR5380_local_declare()		struct Scsi_Host *_instance
+	void __iomem *base
-#define NCR5380_setup(instance)		_instance = instance
 
 #define BOARD_NORMAL	0
 #define BOARD_NCR53C400	1
@@ -39,60 +42,62 @@
 #include "../NCR5380.h"
 
 #undef START_DMA_INITIATOR_RECEIVE_REG
-#define START_DMA_INITIATOR_RECEIVE_REG (7 + 128)
+#define START_DMA_INITIATOR_RECEIVE_REG	(128 + 7)
 
 const char * oakscsi_info (struct Scsi_Host *spnt)
 {
 	return "";
 }
 
-#define STAT(p)   inw(p + 144)
+#define STAT	((128 + 16) << 2)
-extern void inswb(int from, void *to, int len);
+#define DATA	((128 + 8) << 2)
 
 static inline int NCR5380_pwrite(struct Scsi_Host *instance, unsigned char *addr,
               int len)
 {
-  int iobase = instance->io_port;
+  void __iomem *base = priv(instance)->base;
+
 printk("writing %p len %d\n",addr, len);
   if(!len) return -1;
 
   while(1)
   {
     int status;
-    while(((status = STAT(iobase)) & 0x100)==0);
+    while (((status = readw(base + STAT)) & 0x100)==0);
   }
 }
 
 static inline int NCR5380_pread(struct Scsi_Host *instance, unsigned char *addr,
               int len)
 {
-  int iobase = instance->io_port;
+  void __iomem *base = priv(instance)->base;
 printk("reading %p len %d\n", addr, len);
   while(len > 0)
   {
-    int status, timeout;
+    unsigned int status, timeout;
     unsigned long b;
     
     timeout = 0x01FFFFFF;
     
-    while(((status = STAT(iobase)) & 0x100)==0)
+    while (((status = readw(base + STAT)) & 0x100)==0)
     {
       timeout--;
       if(status & 0x200 || !timeout)
       {
-        printk("status = %08X\n",status);
+        printk("status = %08X\n", status);
         return 1;
       }
     }
+
     if(len >= 128)
     {
-      inswb(iobase + 136, addr, 128);
+      readsw(base + DATA, addr, 128);
       addr += 128;
       len -= 128;
     }
     else
     {
-      b = (unsigned long) inw(iobase + 136);
+      b = (unsigned long) readw(base + DATA);
       *addr ++ = b;
       len -= 1;
       if(len)
@@ -103,10 +108,8 @@ printk("reading %p len %d\n", addr, len);
   return 0;
 }
 
-#define oakscsi_read(instance,reg)	(inb((instance)->io_port + (reg)))
-#define oakscsi_write(instance,reg,val)	(outb((val), (instance)->io_port + (reg)))
-
 #undef STAT
+#undef DATA
 
 #include "../NCR5380.c"
 
@@ -132,18 +135,26 @@ oakscsi_probe(struct expansion_card *ec, const struct ecard_id *id)
 	struct Scsi_Host *host;
 	int ret = -ENOMEM;
 
-	host = scsi_host_alloc(&oakscsi_template, sizeof(struct NCR5380_hostdata));
+	ret = ecard_request_resources(ec);
-	if (!host)
+	if (ret)
 		goto out;
 
-	host->io_port = ecard_address(ec, ECARD_MEMC, 0);
+	host = scsi_host_alloc(&oakscsi_template, sizeof(struct NCR5380_hostdata));
+	if (!host) {
+		ret = -ENOMEM;
+		goto release;
+	}
+
+	priv(host)->base = ioremap(ecard_resource_start(ec, ECARD_RES_MEMC),
+				   ecard_resource_len(ec, ECARD_RES_MEMC));
+	if (!priv(host)->base) {
+		ret = -ENOMEM;
+		goto unreg;
+	}
+
 	host->irq = IRQ_NONE;
 	host->n_io_port = 255;
 
-	ret = -EBUSY;
-	if (!request_region (host->io_port, host->n_io_port, "Oak SCSI"))
-		goto unreg;
-
 	NCR5380_init(host, 0);
 
 	printk("scsi%d: at port 0x%08lx irqs disabled",
@@ -156,15 +167,17 @@ oakscsi_probe(struct expansion_card *ec, const struct ecard_id *id)
 
 	ret = scsi_add_host(host, &ec->dev);
 	if (ret)
-		goto out_release;
+		goto out_unmap;
 
 	scsi_scan_host(host);
 	goto out;
 
- out_release:
+ out_unmap:
-	release_region(host->io_port, host->n_io_port);
+	iounmap(priv(host)->base);
  unreg:
 	scsi_host_put(host);
+ release:
+	ecard_release_resources(ec);
  out:
 	return ret;
 }
@@ -177,8 +190,9 @@ static void __devexit oakscsi_remove(struct expansion_card *ec)
 	scsi_remove_host(host);
 
 	NCR5380_exit(host);
-	release_region(host->io_port, host->n_io_port);
+	iounmap(priv(host)->base);
 	scsi_host_put(host);
+	ecard_release_resources(ec);
 }
 
 static const struct ecard_id oakscsi_cids[] = {