 ce6c164bf0
			
		
	
	
	ce6c164bf0
	
	
	
		
			
			s3c2440 and s3c2442 need separate init functions, as the s3c2440 contains even more differing irqs that will be moved in the following patch. Signed-off-by: Heiko Stuebner <heiko@sntech.de> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
		
			
				
	
	
		
			694 lines
		
	
	
	
		
			17 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			694 lines
		
	
	
	
		
			17 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
| /* linux/arch/arm/mach-s3c2440/mach-mini2440.c
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|  *
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|  * Copyright (c) 2008 Ramax Lo <ramaxlo@gmail.com>
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|  *      Based on mach-anubis.c by Ben Dooks <ben@simtec.co.uk>
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|  *      and modifications by SBZ <sbz@spgui.org> and
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|  *      Weibing <http://weibing.blogbus.com> and
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|  *      Michel Pollet <buserror@gmail.com>
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|  *
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|  * For product information, visit http://code.google.com/p/mini2440/
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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/gpio.h>
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| #include <linux/input.h>
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| #include <linux/io.h>
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| #include <linux/serial_core.h>
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| #include <linux/dm9000.h>
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| #include <linux/i2c/at24.h>
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| #include <linux/platform_device.h>
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| #include <linux/gpio_keys.h>
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| #include <linux/i2c.h>
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| #include <linux/mmc/host.h>
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| 
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| #include <asm/mach/arch.h>
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| #include <asm/mach/map.h>
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| 
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| #include <mach/hardware.h>
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| #include <mach/fb.h>
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| #include <asm/mach-types.h>
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| 
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| #include <plat/regs-serial.h>
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| #include <mach/regs-gpio.h>
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| #include <linux/platform_data/leds-s3c24xx.h>
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| #include <mach/regs-lcd.h>
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| #include <mach/irqs.h>
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| #include <linux/platform_data/mtd-nand-s3c2410.h>
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| #include <linux/platform_data/i2c-s3c2410.h>
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| #include <linux/platform_data/mmc-s3cmci.h>
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| #include <linux/platform_data/usb-s3c2410_udc.h>
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| 
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| #include <linux/mtd/mtd.h>
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| #include <linux/mtd/nand.h>
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| #include <linux/mtd/nand_ecc.h>
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| #include <linux/mtd/partitions.h>
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| 
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| #include <plat/gpio-cfg.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 <plat/samsung-time.h>
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| 
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| #include <sound/s3c24xx_uda134x.h>
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| 
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| #include "common.h"
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| 
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| #define MACH_MINI2440_DM9K_BASE (S3C2410_CS4 + 0x300)
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| 
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| static struct map_desc mini2440_iodesc[] __initdata = {
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| 	/* nothing to declare, move along */
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| };
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| 
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| #define UCON S3C2410_UCON_DEFAULT
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| #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
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| #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
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| 
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| 
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| static struct s3c2410_uartcfg mini2440_uartcfgs[] __initdata = {
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| 	[0] = {
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| 		.hwport	     = 0,
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| 		.flags	     = 0,
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| 		.ucon	     = UCON,
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| 		.ulcon	     = ULCON,
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| 		.ufcon	     = UFCON,
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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	     = UCON,
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| 		.ulcon	     = ULCON,
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| 		.ufcon	     = UFCON,
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| 	},
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| 	[2] = {
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| 		.hwport	     = 2,
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| 		.flags	     = 0,
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| 		.ucon	     = UCON,
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| 		.ulcon	     = ULCON,
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| 		.ufcon	     = UFCON,
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| 	},
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| };
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| 
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| /* USB device UDC support */
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| 
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| static struct s3c2410_udc_mach_info mini2440_udc_cfg __initdata = {
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| 	.pullup_pin = S3C2410_GPC(5),
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| };
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| 
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| 
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| /* LCD timing and setup */
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| 
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| /*
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|  * This macro simplifies the table bellow
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|  */
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| #define _LCD_DECLARE(_clock,_xres,margin_left,margin_right,hsync, \
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| 			_yres,margin_top,margin_bottom,vsync, refresh) \
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| 	.width = _xres, \
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| 	.xres = _xres, \
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| 	.height = _yres, \
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| 	.yres = _yres, \
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| 	.left_margin	= margin_left,	\
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| 	.right_margin	= margin_right,	\
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| 	.upper_margin	= margin_top,	\
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| 	.lower_margin	= margin_bottom,	\
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| 	.hsync_len	= hsync,	\
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| 	.vsync_len	= vsync,	\
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| 	.pixclock	= ((_clock*100000000000LL) /	\
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| 			   ((refresh) * \
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| 			   (hsync + margin_left + _xres + margin_right) * \
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| 			   (vsync + margin_top + _yres + margin_bottom))), \
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| 	.bpp		= 16,\
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| 	.type		= (S3C2410_LCDCON1_TFT16BPP |\
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| 			   S3C2410_LCDCON1_TFT)
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| 
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| static struct s3c2410fb_display mini2440_lcd_cfg[] __initdata = {
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| 	[0] = {	/* mini2440 + 3.5" TFT + touchscreen */
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| 		_LCD_DECLARE(
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| 			7,			/* The 3.5 is quite fast */
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| 			240, 21, 38, 6, 	/* x timing */
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| 			320, 4, 4, 2,		/* y timing */
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| 			60),			/* refresh rate */
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| 		.lcdcon5	= (S3C2410_LCDCON5_FRM565 |
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| 				   S3C2410_LCDCON5_INVVLINE |
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| 				   S3C2410_LCDCON5_INVVFRAME |
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| 				   S3C2410_LCDCON5_INVVDEN |
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| 				   S3C2410_LCDCON5_PWREN),
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| 	},
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| 	[1] = { /* mini2440 + 7" TFT + touchscreen */
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| 		_LCD_DECLARE(
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| 			10,			/* the 7" runs slower */
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| 			800, 40, 40, 48, 	/* x timing */
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| 			480, 29, 3, 3,		/* y timing */
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| 			50),			/* refresh rate */
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| 		.lcdcon5	= (S3C2410_LCDCON5_FRM565 |
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| 				   S3C2410_LCDCON5_INVVLINE |
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| 				   S3C2410_LCDCON5_INVVFRAME |
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| 				   S3C2410_LCDCON5_PWREN),
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| 	},
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| 	/* The VGA shield can outout at several resolutions. All share 
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| 	 * the same timings, however, anything smaller than 1024x768
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| 	 * will only be displayed in the top left corner of a 1024x768
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| 	 * XGA output unless you add optional dip switches to the shield.
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| 	 * Therefore timings for other resolutions have been omitted here.
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| 	 */
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| 	[2] = {
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| 		_LCD_DECLARE(
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| 			10,
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| 			1024, 1, 2, 2,		/* y timing */
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| 			768, 200, 16, 16, 	/* x timing */
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| 			24),	/* refresh rate, maximum stable,
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| 				 tested with the FPGA shield */
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| 		.lcdcon5	= (S3C2410_LCDCON5_FRM565 |
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| 				   S3C2410_LCDCON5_HWSWP),
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| 	},
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| 	/* mini2440 + 3.5" TFT (LCD-W35i, LQ035Q1DG06 type) + touchscreen*/
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| 	[3] = {
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| 		_LCD_DECLARE(
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| 			/* clock */
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| 			7,
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| 			/* xres, margin_right, margin_left, hsync */
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| 			320, 68, 66, 4,
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| 			/* yres, margin_top, margin_bottom, vsync */
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| 			240, 4, 4, 9,
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| 			/* refresh rate */
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| 			60),
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| 		.lcdcon5	= (S3C2410_LCDCON5_FRM565 |
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| 				   S3C2410_LCDCON5_INVVDEN |
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| 				   S3C2410_LCDCON5_INVVFRAME |
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| 				   S3C2410_LCDCON5_INVVLINE |
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| 				   S3C2410_LCDCON5_INVVCLK |
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| 				   S3C2410_LCDCON5_HWSWP),
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| 	},
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| };
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| 
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| /* todo - put into gpio header */
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| 
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| #define S3C2410_GPCCON_MASK(x)	(3 << ((x) * 2))
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| #define S3C2410_GPDCON_MASK(x)	(3 << ((x) * 2))
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| 
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| static struct s3c2410fb_mach_info mini2440_fb_info __initdata = {
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| 	.displays	 = &mini2440_lcd_cfg[0], /* not constant! see init */
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| 	.num_displays	 = 1,
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| 	.default_display = 0,
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| 
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| 	/* Enable VD[2..7], VD[10..15], VD[18..23] and VCLK, syncs, VDEN
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| 	 * and disable the pull down resistors on pins we are using for LCD
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| 	 * data. */
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| 
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| 	.gpcup		= (0xf << 1) | (0x3f << 10),
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| 
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| 	.gpccon		= (S3C2410_GPC1_VCLK   | S3C2410_GPC2_VLINE |
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| 			   S3C2410_GPC3_VFRAME | S3C2410_GPC4_VM |
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| 			   S3C2410_GPC10_VD2   | S3C2410_GPC11_VD3 |
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| 			   S3C2410_GPC12_VD4   | S3C2410_GPC13_VD5 |
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| 			   S3C2410_GPC14_VD6   | S3C2410_GPC15_VD7),
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| 
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| 	.gpccon_mask	= (S3C2410_GPCCON_MASK(1)  | S3C2410_GPCCON_MASK(2)  |
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| 			   S3C2410_GPCCON_MASK(3)  | S3C2410_GPCCON_MASK(4)  |
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| 			   S3C2410_GPCCON_MASK(10) | S3C2410_GPCCON_MASK(11) |
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| 			   S3C2410_GPCCON_MASK(12) | S3C2410_GPCCON_MASK(13) |
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| 			   S3C2410_GPCCON_MASK(14) | S3C2410_GPCCON_MASK(15)),
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| 
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| 	.gpdup		= (0x3f << 2) | (0x3f << 10),
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| 
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| 	.gpdcon		= (S3C2410_GPD2_VD10  | S3C2410_GPD3_VD11 |
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| 			   S3C2410_GPD4_VD12  | S3C2410_GPD5_VD13 |
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| 			   S3C2410_GPD6_VD14  | S3C2410_GPD7_VD15 |
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| 			   S3C2410_GPD10_VD18 | S3C2410_GPD11_VD19 |
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| 			   S3C2410_GPD12_VD20 | S3C2410_GPD13_VD21 |
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| 			   S3C2410_GPD14_VD22 | S3C2410_GPD15_VD23),
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| 
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| 	.gpdcon_mask	= (S3C2410_GPDCON_MASK(2)  | S3C2410_GPDCON_MASK(3) |
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| 			   S3C2410_GPDCON_MASK(4)  | S3C2410_GPDCON_MASK(5) |
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| 			   S3C2410_GPDCON_MASK(6)  | S3C2410_GPDCON_MASK(7) |
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| 			   S3C2410_GPDCON_MASK(10) | S3C2410_GPDCON_MASK(11)|
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| 			   S3C2410_GPDCON_MASK(12) | S3C2410_GPDCON_MASK(13)|
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| 			   S3C2410_GPDCON_MASK(14) | S3C2410_GPDCON_MASK(15)),
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| };
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| 
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| /* MMC/SD  */
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| 
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| static struct s3c24xx_mci_pdata mini2440_mmc_cfg __initdata = {
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|    .gpio_detect   = S3C2410_GPG(8),
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|    .gpio_wprotect = S3C2410_GPH(8),
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|    .set_power     = NULL,
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|    .ocr_avail     = MMC_VDD_32_33|MMC_VDD_33_34,
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| };
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| 
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| /* NAND Flash on MINI2440 board */
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| 
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| static struct mtd_partition mini2440_default_nand_part[] __initdata = {
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| 	[0] = {
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| 		.name	= "u-boot",
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| 		.size	= SZ_256K,
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| 		.offset	= 0,
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| 	},
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| 	[1] = {
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| 		.name	= "u-boot-env",
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| 		.size	= SZ_128K,
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| 		.offset	= SZ_256K,
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| 	},
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| 	[2] = {
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| 		.name	= "kernel",
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| 		/* 5 megabytes, for a kernel with no modules
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| 		 * or a uImage with a ramdisk attached */
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| 		.size	= 0x00500000,
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| 		.offset	= SZ_256K + SZ_128K,
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| 	},
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| 	[3] = {
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| 		.name	= "root",
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| 		.offset	= SZ_256K + SZ_128K + 0x00500000,
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| 		.size	= MTDPART_SIZ_FULL,
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| 	},
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| };
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| 
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| static struct s3c2410_nand_set mini2440_nand_sets[] __initdata = {
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| 	[0] = {
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| 		.name		= "nand",
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| 		.nr_chips	= 1,
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| 		.nr_partitions	= ARRAY_SIZE(mini2440_default_nand_part),
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| 		.partitions	= mini2440_default_nand_part,
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| 		.flash_bbt 	= 1, /* we use u-boot to create a BBT */
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| 	},
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| };
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| 
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| static struct s3c2410_platform_nand mini2440_nand_info __initdata = {
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| 	.tacls		= 0,
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| 	.twrph0		= 25,
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| 	.twrph1		= 15,
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| 	.nr_sets	= ARRAY_SIZE(mini2440_nand_sets),
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| 	.sets		= mini2440_nand_sets,
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| 	.ignore_unset_ecc = 1,
 | |
| };
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| 
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| /* DM9000AEP 10/100 ethernet controller */
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| 
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| static struct resource mini2440_dm9k_resource[] = {
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| 	[0] = DEFINE_RES_MEM(MACH_MINI2440_DM9K_BASE, 4),
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| 	[1] = DEFINE_RES_MEM(MACH_MINI2440_DM9K_BASE + 4, 4),
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| 	[2] = DEFINE_RES_NAMED(IRQ_EINT7, 1, NULL, IORESOURCE_IRQ \
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| 						| IORESOURCE_IRQ_HIGHEDGE),
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| };
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| 
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| /*
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|  * The DM9000 has no eeprom, and it's MAC address is set by
 | |
|  * the bootloader before starting the kernel.
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|  */
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| static struct dm9000_plat_data mini2440_dm9k_pdata = {
 | |
| 	.flags		= (DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM),
 | |
| };
 | |
| 
 | |
| static struct platform_device mini2440_device_eth = {
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| 	.name		= "dm9000",
 | |
| 	.id		= -1,
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| 	.num_resources	= ARRAY_SIZE(mini2440_dm9k_resource),
 | |
| 	.resource	= mini2440_dm9k_resource,
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| 	.dev		= {
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| 		.platform_data	= &mini2440_dm9k_pdata,
 | |
| 	},
 | |
| };
 | |
| 
 | |
| /*  CON5
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|  *	+--+	 /-----\
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|  *	|  |    |	|
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|  *	|  |	|  BAT	|
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|  *	|  |	 \_____/
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|  *	|  |
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|  *	|  |  +----+  +----+
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|  *	|  |  | K5 |  | K1 |
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|  *	|  |  +----+  +----+
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|  *	|  |  +----+  +----+
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|  *	|  |  | K4 |  | K2 |
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|  *	|  |  +----+  +----+
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|  *	|  |  +----+  +----+
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|  *	|  |  | K6 |  | K3 |
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|  *	|  |  +----+  +----+
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|  *	  .....
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|  */
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| static struct gpio_keys_button mini2440_buttons[] = {
 | |
| 	{
 | |
| 		.gpio		= S3C2410_GPG(0),		/* K1 */
 | |
| 		.code		= KEY_F1,
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| 		.desc		= "Button 1",
 | |
| 		.active_low	= 1,
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| 	},
 | |
| 	{
 | |
| 		.gpio		= S3C2410_GPG(3),		/* K2 */
 | |
| 		.code		= KEY_F2,
 | |
| 		.desc		= "Button 2",
 | |
| 		.active_low	= 1,
 | |
| 	},
 | |
| 	{
 | |
| 		.gpio		= S3C2410_GPG(5),		/* K3 */
 | |
| 		.code		= KEY_F3,
 | |
| 		.desc		= "Button 3",
 | |
| 		.active_low	= 1,
 | |
| 	},
 | |
| 	{
 | |
| 		.gpio		= S3C2410_GPG(6),		/* K4 */
 | |
| 		.code		= KEY_POWER,
 | |
| 		.desc		= "Power",
 | |
| 		.active_low	= 1,
 | |
| 	},
 | |
| 	{
 | |
| 		.gpio		= S3C2410_GPG(7),		/* K5 */
 | |
| 		.code		= KEY_F5,
 | |
| 		.desc		= "Button 5",
 | |
| 		.active_low	= 1,
 | |
| 	},
 | |
| #if 0
 | |
| 	/* this pin is also known as TCLK1 and seems to already
 | |
| 	 * marked as "in use" somehow in the kernel -- possibly wrongly */
 | |
| 	{
 | |
| 		.gpio		= S3C2410_GPG(11),	/* K6 */
 | |
| 		.code		= KEY_F6,
 | |
| 		.desc		= "Button 6",
 | |
| 		.active_low	= 1,
 | |
| 	},
 | |
| #endif
 | |
| };
 | |
| 
 | |
| static struct gpio_keys_platform_data mini2440_button_data = {
 | |
| 	.buttons	= mini2440_buttons,
 | |
| 	.nbuttons	= ARRAY_SIZE(mini2440_buttons),
 | |
| };
 | |
| 
 | |
| static struct platform_device mini2440_button_device = {
 | |
| 	.name		= "gpio-keys",
 | |
| 	.id		= -1,
 | |
| 	.dev		= {
 | |
| 		.platform_data	= &mini2440_button_data,
 | |
| 	}
 | |
| };
 | |
| 
 | |
| /* LEDS */
 | |
| 
 | |
| static struct s3c24xx_led_platdata mini2440_led1_pdata = {
 | |
| 	.name		= "led1",
 | |
| 	.gpio		= S3C2410_GPB(5),
 | |
| 	.flags		= S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE,
 | |
| 	.def_trigger	= "heartbeat",
 | |
| };
 | |
| 
 | |
| static struct s3c24xx_led_platdata mini2440_led2_pdata = {
 | |
| 	.name		= "led2",
 | |
| 	.gpio		= S3C2410_GPB(6),
 | |
| 	.flags		= S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE,
 | |
| 	.def_trigger	= "nand-disk",
 | |
| };
 | |
| 
 | |
| static struct s3c24xx_led_platdata mini2440_led3_pdata = {
 | |
| 	.name		= "led3",
 | |
| 	.gpio		= S3C2410_GPB(7),
 | |
| 	.flags		= S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE,
 | |
| 	.def_trigger	= "mmc0",
 | |
| };
 | |
| 
 | |
| static struct s3c24xx_led_platdata mini2440_led4_pdata = {
 | |
| 	.name		= "led4",
 | |
| 	.gpio		= S3C2410_GPB(8),
 | |
| 	.flags		= S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE,
 | |
| 	.def_trigger	= "",
 | |
| };
 | |
| 
 | |
| static struct s3c24xx_led_platdata mini2440_led_backlight_pdata = {
 | |
| 	.name		= "backlight",
 | |
| 	.gpio		= S3C2410_GPG(4),
 | |
| 	.def_trigger	= "backlight",
 | |
| };
 | |
| 
 | |
| static struct platform_device mini2440_led1 = {
 | |
| 	.name		= "s3c24xx_led",
 | |
| 	.id		= 1,
 | |
| 	.dev		= {
 | |
| 		.platform_data	= &mini2440_led1_pdata,
 | |
| 	},
 | |
| };
 | |
| 
 | |
| static struct platform_device mini2440_led2 = {
 | |
| 	.name		= "s3c24xx_led",
 | |
| 	.id		= 2,
 | |
| 	.dev		= {
 | |
| 		.platform_data	= &mini2440_led2_pdata,
 | |
| 	},
 | |
| };
 | |
| 
 | |
| static struct platform_device mini2440_led3 = {
 | |
| 	.name		= "s3c24xx_led",
 | |
| 	.id		= 3,
 | |
| 	.dev		= {
 | |
| 		.platform_data	= &mini2440_led3_pdata,
 | |
| 	},
 | |
| };
 | |
| 
 | |
| static struct platform_device mini2440_led4 = {
 | |
| 	.name		= "s3c24xx_led",
 | |
| 	.id		= 4,
 | |
| 	.dev		= {
 | |
| 		.platform_data	= &mini2440_led4_pdata,
 | |
| 	},
 | |
| };
 | |
| 
 | |
| static struct platform_device mini2440_led_backlight = {
 | |
| 	.name		= "s3c24xx_led",
 | |
| 	.id		= 5,
 | |
| 	.dev		= {
 | |
| 		.platform_data	= &mini2440_led_backlight_pdata,
 | |
| 	},
 | |
| };
 | |
| 
 | |
| /* AUDIO */
 | |
| 
 | |
| static struct s3c24xx_uda134x_platform_data mini2440_audio_pins = {
 | |
| 	.l3_clk = S3C2410_GPB(4),
 | |
| 	.l3_mode = S3C2410_GPB(2),
 | |
| 	.l3_data = S3C2410_GPB(3),
 | |
| 	.model = UDA134X_UDA1341
 | |
| };
 | |
| 
 | |
| static struct platform_device mini2440_audio = {
 | |
| 	.name		= "s3c24xx_uda134x",
 | |
| 	.id		= 0,
 | |
| 	.dev		= {
 | |
| 		.platform_data	= &mini2440_audio_pins,
 | |
| 	},
 | |
| };
 | |
| 
 | |
| /*
 | |
|  * I2C devices
 | |
|  */
 | |
| static struct at24_platform_data at24c08 = {
 | |
| 	.byte_len	= SZ_8K / 8,
 | |
| 	.page_size	= 16,
 | |
| };
 | |
| 
 | |
| static struct i2c_board_info mini2440_i2c_devs[] __initdata = {
 | |
| 	{
 | |
| 		I2C_BOARD_INFO("24c08", 0x50),
 | |
| 		.platform_data = &at24c08,
 | |
| 	},
 | |
| };
 | |
| 
 | |
| static struct platform_device uda1340_codec = {
 | |
| 		.name = "uda134x-codec",
 | |
| 		.id = -1,
 | |
| };
 | |
| 
 | |
| static struct platform_device *mini2440_devices[] __initdata = {
 | |
| 	&s3c_device_ohci,
 | |
| 	&s3c_device_wdt,
 | |
| 	&s3c_device_i2c0,
 | |
| 	&s3c_device_rtc,
 | |
| 	&s3c_device_usbgadget,
 | |
| 	&mini2440_device_eth,
 | |
| 	&mini2440_led1,
 | |
| 	&mini2440_led2,
 | |
| 	&mini2440_led3,
 | |
| 	&mini2440_led4,
 | |
| 	&mini2440_button_device,
 | |
| 	&s3c_device_nand,
 | |
| 	&s3c_device_sdi,
 | |
| 	&s3c_device_iis,
 | |
| 	&uda1340_codec,
 | |
| 	&mini2440_audio,
 | |
| };
 | |
| 
 | |
| static void __init mini2440_map_io(void)
 | |
| {
 | |
| 	s3c24xx_init_io(mini2440_iodesc, ARRAY_SIZE(mini2440_iodesc));
 | |
| 	s3c24xx_init_clocks(12000000);
 | |
| 	s3c24xx_init_uarts(mini2440_uartcfgs, ARRAY_SIZE(mini2440_uartcfgs));
 | |
| 	samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
 | |
| }
 | |
| 
 | |
| /*
 | |
|  * mini2440_features string
 | |
|  *
 | |
|  * t = Touchscreen present
 | |
|  * b = backlight control
 | |
|  * c = camera [TODO]
 | |
|  * 0-9 LCD configuration
 | |
|  *
 | |
|  */
 | |
| static char mini2440_features_str[12] __initdata = "0tb";
 | |
| 
 | |
| static int __init mini2440_features_setup(char *str)
 | |
| {
 | |
| 	if (str)
 | |
| 		strlcpy(mini2440_features_str, str, sizeof(mini2440_features_str));
 | |
| 	return 1;
 | |
| }
 | |
| 
 | |
| __setup("mini2440=", mini2440_features_setup);
 | |
| 
 | |
| #define FEATURE_SCREEN (1 << 0)
 | |
| #define FEATURE_BACKLIGHT (1 << 1)
 | |
| #define FEATURE_TOUCH (1 << 2)
 | |
| #define FEATURE_CAMERA (1 << 3)
 | |
| 
 | |
| struct mini2440_features_t {
 | |
| 	int count;
 | |
| 	int done;
 | |
| 	int lcd_index;
 | |
| 	struct platform_device *optional[8];
 | |
| };
 | |
| 
 | |
| static void __init mini2440_parse_features(
 | |
| 		struct mini2440_features_t * features,
 | |
| 		const char * features_str )
 | |
| {
 | |
| 	const char * fp = features_str;
 | |
| 
 | |
| 	features->count = 0;
 | |
| 	features->done = 0;
 | |
| 	features->lcd_index = -1;
 | |
| 
 | |
| 	while (*fp) {
 | |
| 		char f = *fp++;
 | |
| 
 | |
| 		switch (f) {
 | |
| 		case '0'...'9':	/* tft screen */
 | |
| 			if (features->done & FEATURE_SCREEN) {
 | |
| 				printk(KERN_INFO "MINI2440: '%c' ignored, "
 | |
| 					"screen type already set\n", f);
 | |
| 			} else {
 | |
| 				int li = f - '0';
 | |
| 				if (li >= ARRAY_SIZE(mini2440_lcd_cfg))
 | |
| 					printk(KERN_INFO "MINI2440: "
 | |
| 						"'%c' out of range LCD mode\n", f);
 | |
| 				else {
 | |
| 					features->optional[features->count++] =
 | |
| 							&s3c_device_lcd;
 | |
| 					features->lcd_index = li;
 | |
| 				}
 | |
| 			}
 | |
| 			features->done |= FEATURE_SCREEN;
 | |
| 			break;
 | |
| 		case 'b':
 | |
| 			if (features->done & FEATURE_BACKLIGHT)
 | |
| 				printk(KERN_INFO "MINI2440: '%c' ignored, "
 | |
| 					"backlight already set\n", f);
 | |
| 			else {
 | |
| 				features->optional[features->count++] =
 | |
| 						&mini2440_led_backlight;
 | |
| 			}
 | |
| 			features->done |= FEATURE_BACKLIGHT;
 | |
| 			break;
 | |
| 		case 't':
 | |
| 			printk(KERN_INFO "MINI2440: '%c' ignored, "
 | |
| 				"touchscreen not compiled in\n", f);
 | |
| 			break;
 | |
| 		case 'c':
 | |
| 			if (features->done & FEATURE_CAMERA)
 | |
| 				printk(KERN_INFO "MINI2440: '%c' ignored, "
 | |
| 					"camera already registered\n", f);
 | |
| 			else
 | |
| 				features->optional[features->count++] =
 | |
| 					&s3c_device_camif;
 | |
| 			features->done |= FEATURE_CAMERA;
 | |
| 			break;
 | |
| 		}
 | |
| 	}
 | |
| }
 | |
| 
 | |
| static void __init mini2440_init(void)
 | |
| {
 | |
| 	struct mini2440_features_t features = { 0 };
 | |
| 	int i;
 | |
| 
 | |
| 	printk(KERN_INFO "MINI2440: Option string mini2440=%s\n",
 | |
| 			mini2440_features_str);
 | |
| 
 | |
| 	/* Parse the feature string */
 | |
| 	mini2440_parse_features(&features, mini2440_features_str);
 | |
| 
 | |
| 	/* turn LCD on */
 | |
| 	s3c_gpio_cfgpin(S3C2410_GPC(0), S3C2410_GPC0_LEND);
 | |
| 
 | |
| 	/* Turn the backlight early on */
 | |
| 	WARN_ON(gpio_request_one(S3C2410_GPG(4), GPIOF_OUT_INIT_HIGH, NULL));
 | |
| 	gpio_free(S3C2410_GPG(4));
 | |
| 
 | |
| 	/* remove pullup on optional PWM backlight -- unused on 3.5 and 7"s */
 | |
| 	gpio_request_one(S3C2410_GPB(1), GPIOF_IN, NULL);
 | |
| 	s3c_gpio_setpull(S3C2410_GPB(1), S3C_GPIO_PULL_UP);
 | |
| 	gpio_free(S3C2410_GPB(1));
 | |
| 
 | |
| 	/* mark the key as input, without pullups (there is one on the board) */
 | |
| 	for (i = 0; i < ARRAY_SIZE(mini2440_buttons); i++) {
 | |
| 		s3c_gpio_setpull(mini2440_buttons[i].gpio, S3C_GPIO_PULL_UP);
 | |
| 		s3c_gpio_cfgpin(mini2440_buttons[i].gpio, S3C2410_GPIO_INPUT);
 | |
| 	}
 | |
| 	if (features.lcd_index != -1) {
 | |
| 		int li;
 | |
| 
 | |
| 		mini2440_fb_info.displays =
 | |
| 			&mini2440_lcd_cfg[features.lcd_index];
 | |
| 
 | |
| 		printk(KERN_INFO "MINI2440: LCD");
 | |
| 		for (li = 0; li < ARRAY_SIZE(mini2440_lcd_cfg); li++)
 | |
| 			if (li == features.lcd_index)
 | |
| 				printk(" [%d:%dx%d]", li,
 | |
| 					mini2440_lcd_cfg[li].width,
 | |
| 					mini2440_lcd_cfg[li].height);
 | |
| 			else
 | |
| 				printk(" %d:%dx%d", li,
 | |
| 					mini2440_lcd_cfg[li].width,
 | |
| 					mini2440_lcd_cfg[li].height);
 | |
| 		printk("\n");
 | |
| 		s3c24xx_fb_set_platdata(&mini2440_fb_info);
 | |
| 	}
 | |
| 
 | |
| 	s3c24xx_udc_set_platdata(&mini2440_udc_cfg);
 | |
| 	s3c24xx_mci_set_platdata(&mini2440_mmc_cfg);
 | |
| 	s3c_nand_set_platdata(&mini2440_nand_info);
 | |
| 	s3c_i2c0_set_platdata(NULL);
 | |
| 
 | |
| 	i2c_register_board_info(0, mini2440_i2c_devs,
 | |
| 				ARRAY_SIZE(mini2440_i2c_devs));
 | |
| 
 | |
| 	platform_add_devices(mini2440_devices, ARRAY_SIZE(mini2440_devices));
 | |
| 
 | |
| 	if (features.count)	/* the optional features */
 | |
| 		platform_add_devices(features.optional, features.count);
 | |
| 
 | |
| }
 | |
| 
 | |
| 
 | |
| MACHINE_START(MINI2440, "MINI2440")
 | |
| 	/* Maintainer: Michel Pollet <buserror@gmail.com> */
 | |
| 	.atag_offset	= 0x100,
 | |
| 	.map_io		= mini2440_map_io,
 | |
| 	.init_machine	= mini2440_init,
 | |
| 	.init_irq	= s3c2440_init_irq,
 | |
| 	.init_time	= samsung_timer_init,
 | |
| 	.restart	= s3c244x_restart,
 | |
| MACHINE_END
 |