text: /*
   *  arch/arm/mach-pxa/colibri-pxa300.c
   *
   *  Support for Toradex PXA300/310 based Colibri module
   *
   *  Daniel Mack <daniel@caiaq.de>
   *  Matthias Meier <matthias.j.meier@gmx.net>
   *
   *  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/init.h>
  #include <linux/kernel.h>
  #include <linux/platform_device.h>
  #include <linux/gpio.h>
  #include <linux/interrupt.h>
  
  #include <asm/mach-types.h>
  #include <asm/sizes.h>
  #include <asm/mach/arch.h>
  #include <asm/mach/irq.h>
  
  #include <mach/pxa300.h>
  #include <mach/colibri.h>
  #include <mach/ohci.h>
  #include <mach/pxafb.h>
  #include <mach/audio.h>
  
  #include "generic.h"
  #include "devices.h"
  
  
  #ifdef CONFIG_MACH_COLIBRI_EVALBOARD
  static mfp_cfg_t colibri_pxa300_evalboard_pin_config[] __initdata = {
  	/* MMC */
  	GPIO7_MMC1_CLK,
  	GPIO14_MMC1_CMD,
  	GPIO3_MMC1_DAT0,
  	GPIO4_MMC1_DAT1,
  	GPIO5_MMC1_DAT2,
  	GPIO6_MMC1_DAT3,
  	GPIO13_GPIO,	/* GPIO13_COLIBRI_PXA300_SD_DETECT */
  
  	/* UHC */
  	GPIO0_2_USBH_PEN,
  	GPIO1_2_USBH_PWR,
  	GPIO77_USB_P3_1,
  	GPIO78_USB_P3_2,
  	GPIO79_USB_P3_3,
  	GPIO80_USB_P3_4,
  	GPIO81_USB_P3_5,
  	GPIO82_USB_P3_6,
  
  	/* I2C */
  	GPIO21_I2C_SCL,
  	GPIO22_I2C_SDA,
  };
  #else
  static mfp_cfg_t colibri_pxa300_evalboard_pin_config[] __initdata = {};
  #endif
  
  #if defined(CONFIG_AX88796)
  #define COLIBRI_ETH_IRQ_GPIO	mfp_to_gpio(GPIO26_GPIO)
  /*
   * Asix AX88796 Ethernet
   */
  static struct ax_plat_data colibri_asix_platdata = {
  	.flags		= 0, /* defined later */
  	.wordlength	= 2,
  };
  
  static struct resource colibri_asix_resource[] = {
  	[0] = {
  		.start = PXA3xx_CS2_PHYS,
  		.end   = PXA3xx_CS2_PHYS + (0x20 * 2) - 1,
  		.flags = IORESOURCE_MEM,
  	},
  	[1] = {
  		.start = gpio_to_irq(COLIBRI_ETH_IRQ_GPIO),
  		.end   = gpio_to_irq(COLIBRI_ETH_IRQ_GPIO),
  		.flags = IORESOURCE_IRQ | IRQF_TRIGGER_FALLING,
  	}
  };
  
  static struct platform_device asix_device = {
  	.name		= "ax88796",
  	.id		= 0,
  	.num_resources 	= ARRAY_SIZE(colibri_asix_resource),
  	.resource	= colibri_asix_resource,
  	.dev		= {
  		.platform_data = &colibri_asix_platdata
  	}
  };
  
  static mfp_cfg_t colibri_pxa300_eth_pin_config[] __initdata = {
  	GPIO1_nCS2,			/* AX88796 chip select */
  	GPIO26_GPIO | MFP_PULL_HIGH	/* AX88796 IRQ */
  };
  
  static void __init colibri_pxa300_init_eth(void)
  {
  	colibri_pxa3xx_init_eth(&colibri_asix_platdata);
  	pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa300_eth_pin_config));
  	platform_device_register(&asix_device);
  }
  #else
  static inline void __init colibri_pxa300_init_eth(void) {}
  #endif /* CONFIG_AX88796 */
  
  #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
  static mfp_cfg_t colibri_pxa300_lcd_pin_config[] __initdata = {
  	GPIO54_LCD_LDD_0,
  	GPIO55_LCD_LDD_1,
  	GPIO56_LCD_LDD_2,
  	GPIO57_LCD_LDD_3,
  	GPIO58_LCD_LDD_4,
  	GPIO59_LCD_LDD_5,
  	GPIO60_LCD_LDD_6,
  	GPIO61_LCD_LDD_7,
  	GPIO62_LCD_LDD_8,
  	GPIO63_LCD_LDD_9,
  	GPIO64_LCD_LDD_10,
  	GPIO65_LCD_LDD_11,
  	GPIO66_LCD_LDD_12,
  	GPIO67_LCD_LDD_13,
  	GPIO68_LCD_LDD_14,
  	GPIO69_LCD_LDD_15,
  	GPIO70_LCD_LDD_16,
  	GPIO71_LCD_LDD_17,
  	GPIO62_LCD_CS_N,
  	GPIO72_LCD_FCLK,
  	GPIO73_LCD_LCLK,
  	GPIO74_LCD_PCLK,
  	GPIO75_LCD_BIAS,
  	GPIO76_LCD_VSYNC,
  };
  
  static void __init colibri_pxa300_init_lcd(void)
  {
  	pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa300_lcd_pin_config));
  }
  
  #else
  static inline void colibri_pxa300_init_lcd(void) {}
  #endif /* CONFIG_FB_PXA || CONFIG_FB_PXA_MODULE */
  
  #if defined(CONFIG_SND_AC97_CODEC) || defined(CONFIG_SND_AC97_CODEC_MODULE)
  static mfp_cfg_t colibri_pxa310_ac97_pin_config[] __initdata = {
  	GPIO24_AC97_SYSCLK,
  	GPIO23_AC97_nACRESET,
  	GPIO25_AC97_SDATA_IN_0,
  	GPIO27_AC97_SDATA_OUT,
  	GPIO28_AC97_SYNC,
  	GPIO29_AC97_BITCLK
  };
  
  static inline void __init colibri_pxa310_init_ac97(void)
  {
  	/* no AC97 codec on Colibri PXA300 */
  	if (!cpu_is_pxa310())
  		return;
  
  	pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa310_ac97_pin_config));
  	pxa_set_ac97_info(NULL);
  }
  #else
  static inline void colibri_pxa310_init_ac97(void) {}
  #endif
  
  void __init colibri_pxa300_init(void)
  {
  	colibri_pxa300_init_eth();
  	colibri_pxa3xx_init_nand();
  	colibri_pxa300_init_lcd();
  	colibri_pxa3xx_init_lcd(mfp_to_gpio(GPIO39_GPIO));
  	colibri_pxa310_init_ac97();
  
  	/* Evalboard init */
  	pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa300_evalboard_pin_config));
  	colibri_evalboard_init();
  }
  
  MACHINE_START(COLIBRI300, "Toradex Colibri PXA300")
  	.boot_params	= COLIBRI_SDRAM_BASE + 0x100,
  	.init_machine	= colibri_pxa300_init,
  	.map_io		= pxa3xx_map_io,
  	.init_irq	= pxa3xx_init_irq,
  	.timer		= &pxa_timer,
  MACHINE_END
  
  