f465d145d7
This is a patch series from Shawn Guo that moves from individual
late_initcalls() to using a member in the machine structure to invoke
a platform's late initcalls.
This cleanup is a step in the move towards multiplatform kernels since
it would reduce the need to check for compatible platforms in each and
every initcall.
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Merge tag 'cleanup-initcall' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull sweeping late_initcall cleanup for arm-soc from Olof Johansson:
"This is a patch series from Shawn Guo that moves from individual
late_initcalls() to using a member in the machine structure to invoke
a platform's late initcalls.
This cleanup is a step in the move towards multiplatform kernels since
it would reduce the need to check for compatible platforms in each and
every initcall."
Fix up trivial conflicts in arch/arm/mach-{exynos/mach-universal_c210.c,
imx/mach-cpuimx51.c, omap2/board-generic.c} due to changes nearby (and,
in the case of cpuimx51.c the board support being deleted)
* tag 'cleanup-initcall' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM: ux500: use machine specific hook for late init
ARM: tegra: use machine specific hook for late init
ARM: shmobile: use machine specific hook for late init
ARM: sa1100: use machine specific hook for late init
ARM: s3c64xx: use machine specific hook for late init
ARM: prima2: use machine specific hook for late init
ARM: pnx4008: use machine specific hook for late init
ARM: omap2: use machine specific hook for late init
ARM: omap1: use machine specific hook for late init
ARM: msm: use machine specific hook for late init
ARM: imx: use machine specific hook for late init
ARM: exynos: use machine specific hook for late init
ARM: ep93xx: use machine specific hook for late init
ARM: davinci: use machine specific hook for late init
ARM: provide a late_initcall hook for platform initialization
237 lines
5.8 KiB
C
237 lines
5.8 KiB
C
/* linux/arch/arm/mach-s3c64xx/mach-anw6410.c
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*
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* Copyright 2008 Openmoko, Inc.
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* Copyright 2008 Simtec Electronics
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* Ben Dooks <ben@simtec.co.uk>
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* http://armlinux.simtec.co.uk/
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* Copyright 2009 Kwangwoo Lee
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* Kwangwoo Lee <kwangwoo.lee@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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*/
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#include <linux/kernel.h>
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#include <linux/types.h>
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#include <linux/interrupt.h>
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#include <linux/list.h>
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#include <linux/timer.h>
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#include <linux/init.h>
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#include <linux/serial_core.h>
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#include <linux/platform_device.h>
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#include <linux/io.h>
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#include <linux/i2c.h>
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#include <linux/fb.h>
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#include <linux/gpio.h>
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#include <linux/delay.h>
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#include <linux/dm9000.h>
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#include <video/platform_lcd.h>
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#include <asm/hardware/vic.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/map.h>
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#include <asm/mach/irq.h>
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#include <mach/hardware.h>
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#include <mach/map.h>
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#include <asm/irq.h>
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#include <asm/mach-types.h>
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#include <plat/regs-serial.h>
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#include <plat/iic.h>
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#include <plat/fb.h>
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#include <plat/regs-fb-v4.h>
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#include <plat/clock.h>
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#include <plat/devs.h>
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#include <plat/cpu.h>
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#include <mach/regs-gpio.h>
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#include <mach/regs-modem.h>
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#include "common.h"
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/* DM9000 */
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#define ANW6410_PA_DM9000 (0x18000000)
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/* A hardware buffer to control external devices is mapped at 0x30000000.
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* It can not be read. So current status must be kept in anw6410_extdev_status.
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*/
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#define ANW6410_VA_EXTDEV S3C_ADDR(0x02000000)
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#define ANW6410_PA_EXTDEV (0x30000000)
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#define ANW6410_EN_DM9000 (1<<11)
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#define ANW6410_EN_LCD (1<<14)
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static __u32 anw6410_extdev_status;
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static struct s3c2410_uartcfg anw6410_uartcfgs[] __initdata = {
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[0] = {
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.hwport = 0,
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.flags = 0,
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.ucon = 0x3c5,
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.ulcon = 0x03,
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.ufcon = 0x51,
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},
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[1] = {
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.hwport = 1,
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.flags = 0,
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.ucon = 0x3c5,
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.ulcon = 0x03,
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.ufcon = 0x51,
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},
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};
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/* framebuffer and LCD setup. */
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static void __init anw6410_lcd_mode_set(void)
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{
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u32 tmp;
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/* set the LCD type */
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tmp = __raw_readl(S3C64XX_SPCON);
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tmp &= ~S3C64XX_SPCON_LCD_SEL_MASK;
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tmp |= S3C64XX_SPCON_LCD_SEL_RGB;
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__raw_writel(tmp, S3C64XX_SPCON);
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/* remove the LCD bypass */
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tmp = __raw_readl(S3C64XX_MODEM_MIFPCON);
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tmp &= ~MIFPCON_LCD_BYPASS;
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__raw_writel(tmp, S3C64XX_MODEM_MIFPCON);
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}
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/* GPF1 = LCD panel power
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* GPF4 = LCD backlight control
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*/
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static void anw6410_lcd_power_set(struct plat_lcd_data *pd,
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unsigned int power)
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{
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if (power) {
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anw6410_extdev_status |= (ANW6410_EN_LCD << 16);
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__raw_writel(anw6410_extdev_status, ANW6410_VA_EXTDEV);
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gpio_direction_output(S3C64XX_GPF(1), 1);
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gpio_direction_output(S3C64XX_GPF(4), 1);
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} else {
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anw6410_extdev_status &= ~(ANW6410_EN_LCD << 16);
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__raw_writel(anw6410_extdev_status, ANW6410_VA_EXTDEV);
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gpio_direction_output(S3C64XX_GPF(1), 0);
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gpio_direction_output(S3C64XX_GPF(4), 0);
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}
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}
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static struct plat_lcd_data anw6410_lcd_power_data = {
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.set_power = anw6410_lcd_power_set,
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};
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static struct platform_device anw6410_lcd_powerdev = {
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.name = "platform-lcd",
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.dev.parent = &s3c_device_fb.dev,
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.dev.platform_data = &anw6410_lcd_power_data,
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};
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static struct s3c_fb_pd_win anw6410_fb_win0 = {
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/* this is to ensure we use win0 */
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.win_mode = {
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.left_margin = 8,
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.right_margin = 13,
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.upper_margin = 7,
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.lower_margin = 5,
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.hsync_len = 3,
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.vsync_len = 1,
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.xres = 800,
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.yres = 480,
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},
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.max_bpp = 32,
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.default_bpp = 16,
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};
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/* 405566 clocks per frame => 60Hz refresh requires 24333960Hz clock */
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static struct s3c_fb_platdata anw6410_lcd_pdata __initdata = {
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.setup_gpio = s3c64xx_fb_gpio_setup_24bpp,
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.win[0] = &anw6410_fb_win0,
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.vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
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.vidcon1 = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC,
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};
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/* DM9000AEP 10/100 ethernet controller */
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static void __init anw6410_dm9000_enable(void)
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{
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anw6410_extdev_status |= (ANW6410_EN_DM9000 << 16);
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__raw_writel(anw6410_extdev_status, ANW6410_VA_EXTDEV);
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}
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static struct resource anw6410_dm9000_resource[] = {
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[0] = DEFINE_RES_MEM(ANW6410_PA_DM9000, 4),
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[1] = DEFINE_RES_MEM(ANW6410_PA_DM9000 + 4, 501),
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[2] = DEFINE_RES_NAMED(IRQ_EINT(15), 1, NULL, IORESOURCE_IRQ \
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| IRQF_TRIGGER_HIGH),
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};
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static struct dm9000_plat_data anw6410_dm9000_pdata = {
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.flags = (DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM),
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/* dev_addr can be set to provide hwaddr. */
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};
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static struct platform_device anw6410_device_eth = {
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.name = "dm9000",
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.id = -1,
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.num_resources = ARRAY_SIZE(anw6410_dm9000_resource),
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.resource = anw6410_dm9000_resource,
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.dev = {
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.platform_data = &anw6410_dm9000_pdata,
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},
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};
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static struct map_desc anw6410_iodesc[] __initdata = {
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{
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.virtual = (unsigned long)ANW6410_VA_EXTDEV,
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.pfn = __phys_to_pfn(ANW6410_PA_EXTDEV),
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.length = SZ_64K,
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.type = MT_DEVICE,
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},
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};
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static struct platform_device *anw6410_devices[] __initdata = {
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&s3c_device_fb,
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&anw6410_lcd_powerdev,
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&anw6410_device_eth,
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};
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static void __init anw6410_map_io(void)
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{
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s3c64xx_init_io(anw6410_iodesc, ARRAY_SIZE(anw6410_iodesc));
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s3c24xx_init_clocks(12000000);
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s3c24xx_init_uarts(anw6410_uartcfgs, ARRAY_SIZE(anw6410_uartcfgs));
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anw6410_lcd_mode_set();
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}
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static void __init anw6410_machine_init(void)
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{
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s3c_fb_set_platdata(&anw6410_lcd_pdata);
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gpio_request(S3C64XX_GPF(1), "panel power");
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gpio_request(S3C64XX_GPF(4), "LCD backlight");
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anw6410_dm9000_enable();
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platform_add_devices(anw6410_devices, ARRAY_SIZE(anw6410_devices));
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}
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MACHINE_START(ANW6410, "A&W6410")
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/* Maintainer: Kwangwoo Lee <kwangwoo.lee@gmail.com> */
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.atag_offset = 0x100,
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.init_irq = s3c6410_init_irq,
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.handle_irq = vic_handle_irq,
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.map_io = anw6410_map_io,
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.init_machine = anw6410_machine_init,
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.init_late = s3c64xx_init_late,
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.timer = &s3c24xx_timer,
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.restart = s3c64xx_restart,
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MACHINE_END
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