text: /*
   * linux/arch/arm/mach-w90x900/dev.c
   *
   * Copyright (C) 2009 Nuvoton corporation.
   *
   * Wan ZongShun <mcuos.com@gmail.com>
   *
   * 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;version 2 of the License.
   *
   */
  
  #include <linux/kernel.h>
  #include <linux/types.h>
  #include <linux/interrupt.h>
  #include <linux/list.h>
  #include <linux/timer.h>
  #include <linux/init.h>
  #include <linux/platform_device.h>
  #include <linux/slab.h>
  
  #include <linux/mtd/physmap.h>
  #include <linux/mtd/mtd.h>
  #include <linux/mtd/partitions.h>
  
  #include <linux/spi/spi.h>
  #include <linux/spi/flash.h>
  
  #include <asm/mach/arch.h>
  #include <asm/mach/map.h>
  #include <asm/mach/irq.h>
  #include <asm/mach-types.h>
  
  #include <mach/regs-serial.h>
  #include <mach/nuc900_spi.h>
  #include <mach/map.h>
  #include <mach/fb.h>
  #include <mach/regs-ldm.h>
  #include <mach/w90p910_keypad.h>
  
  #include "cpu.h"
  
  /*NUC900 evb norflash driver data */
  
  #define NUC900_FLASH_BASE	0xA0000000
  #define NUC900_FLASH_SIZE	0x400000
  #define SPIOFFSET		0x200
  #define SPIOREG_SIZE		0x100
  
  static struct mtd_partition nuc900_flash_partitions[] = {
  	{
  		.name	=	"NOR Partition 1 for kernel (960K)",
  		.size	=	0xF0000,
  		.offset	=	0x10000,
  	},
  	{
  		.name	=	"NOR Partition 2 for image (1M)",
  		.size	=	0x100000,
  		.offset	=	0x100000,
  	},
  	{
  		.name	=	"NOR Partition 3 for user (2M)",
  		.size	=	0x200000,
  		.offset	=	0x00200000,
  	}
  };
  
  static struct physmap_flash_data nuc900_flash_data = {
  	.width		=	2,
  	.parts		=	nuc900_flash_partitions,
  	.nr_parts	=	ARRAY_SIZE(nuc900_flash_partitions),
  };
  
  static struct resource nuc900_flash_resources[] = {
  	{
  		.start	=	NUC900_FLASH_BASE,
  		.end	=	NUC900_FLASH_BASE + NUC900_FLASH_SIZE - 1,
  		.flags	=	IORESOURCE_MEM,
  	}
  };
  
  static struct platform_device nuc900_flash_device = {
  	.name		=	"physmap-flash",
  	.id		=	0,
  	.dev		= {
  				.platform_data = &nuc900_flash_data,
  			},
  	.resource	=	nuc900_flash_resources,
  	.num_resources	=	ARRAY_SIZE(nuc900_flash_resources),
  };
  
  /* USB EHCI Host Controller */
  
  static struct resource nuc900_usb_ehci_resource[] = {
  	[0] = {
  		.start = W90X900_PA_USBEHCIHOST,
  		.end   = W90X900_PA_USBEHCIHOST + W90X900_SZ_USBEHCIHOST - 1,
  		.flags = IORESOURCE_MEM,
  	},
  	[1] = {
  		.start = IRQ_USBH,
  		.end   = IRQ_USBH,
  		.flags = IORESOURCE_IRQ,
  	}
  };
  
  static u64 nuc900_device_usb_ehci_dmamask = 0xffffffffUL;
  
  static struct platform_device nuc900_device_usb_ehci = {
  	.name		  = "nuc900-ehci",
  	.id		  = -1,
  	.num_resources	  = ARRAY_SIZE(nuc900_usb_ehci_resource),
  	.resource	  = nuc900_usb_ehci_resource,
  	.dev              = {
  		.dma_mask = &nuc900_device_usb_ehci_dmamask,
  		.coherent_dma_mask = 0xffffffffUL
  	}
  };
  
  /* USB OHCI Host Controller */
  
  static struct resource nuc900_usb_ohci_resource[] = {
  	[0] = {
  		.start = W90X900_PA_USBOHCIHOST,
  		.end   = W90X900_PA_USBOHCIHOST + W90X900_SZ_USBOHCIHOST - 1,
  		.flags = IORESOURCE_MEM,
  	},
  	[1] = {
  		.start = IRQ_USBH,
  		.end   = IRQ_USBH,
  		.flags = IORESOURCE_IRQ,
  	}
  };
  
  static u64 nuc900_device_usb_ohci_dmamask = 0xffffffffUL;
  static struct platform_device nuc900_device_usb_ohci = {
  	.name		  = "nuc900-ohci",
  	.id		  = -1,
  	.num_resources	  = ARRAY_SIZE(nuc900_usb_ohci_resource),
  	.resource	  = nuc900_usb_ohci_resource,
  	.dev              = {
  		.dma_mask = &nuc900_device_usb_ohci_dmamask,
  		.coherent_dma_mask = 0xffffffffUL
  	}
  };
  
  /* USB Device (Gadget)*/
  
  static struct resource nuc900_usbgadget_resource[] = {
  	[0] = {
  		.start = W90X900_PA_USBDEV,
  		.end   = W90X900_PA_USBDEV + W90X900_SZ_USBDEV - 1,
  		.flags = IORESOURCE_MEM,
  	},
  	[1] = {
  		.start = IRQ_USBD,
  		.end   = IRQ_USBD,
  		.flags = IORESOURCE_IRQ,
  	}
  };
  
  static struct platform_device nuc900_device_usbgadget = {
  	.name		= "nuc900-usbgadget",
  	.id		= -1,
  	.num_resources	= ARRAY_SIZE(nuc900_usbgadget_resource),
  	.resource	= nuc900_usbgadget_resource,
  };
  
  /* MAC device */
  
  static struct resource nuc900_emc_resource[] = {
  	[0] = {
  		.start = W90X900_PA_EMC,
  		.end   = W90X900_PA_EMC + W90X900_SZ_EMC - 1,
  		.flags = IORESOURCE_MEM,
  	},
  	[1] = {
  		.start = IRQ_EMCTX,
  		.end   = IRQ_EMCTX,
  		.flags = IORESOURCE_IRQ,
  	},
  	[2] = {
  		.start = IRQ_EMCRX,
  		.end   = IRQ_EMCRX,
  		.flags = IORESOURCE_IRQ,
  	}
  };
  
  static u64 nuc900_device_emc_dmamask = 0xffffffffUL;
  static struct platform_device nuc900_device_emc = {
  	.name		= "nuc900-emc",
  	.id		= -1,
  	.num_resources	= ARRAY_SIZE(nuc900_emc_resource),
  	.resource	= nuc900_emc_resource,
  	.dev              = {
  		.dma_mask = &nuc900_device_emc_dmamask,
  		.coherent_dma_mask = 0xffffffffUL
  	}
  };
  
  /* SPI device */
  
  static struct nuc900_spi_info nuc900_spiflash_data = {
  	.num_cs		= 1,
  	.lsb		= 0,
  	.txneg		= 1,
  	.rxneg		= 0,
  	.divider	= 24,
  	.sleep		= 0,
  	.txnum		= 0,
  	.txbitlen	= 8,
  	.bus_num	= 0,
  };
  
  static struct resource nuc900_spi_resource[] = {
  	[0] = {
  		.start = W90X900_PA_I2C + SPIOFFSET,
  		.end   = W90X900_PA_I2C + SPIOFFSET + SPIOREG_SIZE - 1,
  		.flags = IORESOURCE_MEM,
  	},
  	[1] = {
  		.start = IRQ_SSP,
  		.end   = IRQ_SSP,
  		.flags = IORESOURCE_IRQ,
  	}
  };
  
  static struct platform_device nuc900_device_spi = {
  	.name		= "nuc900-spi",
  	.id		= -1,
  	.num_resources	= ARRAY_SIZE(nuc900_spi_resource),
  	.resource	= nuc900_spi_resource,
  	.dev		= {
  				.platform_data = &nuc900_spiflash_data,
  			}
  };
  
  /* spi device, spi flash info */
  
  static struct mtd_partition nuc900_spi_flash_partitions[] = {
  	{
  		.name = "bootloader(spi)",
  		.size = 0x0100000,
  		.offset = 0,
  	},
  };
  
  static struct flash_platform_data nuc900_spi_flash_data = {
  	.name = "m25p80",
  	.parts =  nuc900_spi_flash_partitions,
  	.nr_parts = ARRAY_SIZE(nuc900_spi_flash_partitions),
  	.type = "w25x16",
  };
  
  static struct spi_board_info nuc900_spi_board_info[] __initdata = {
  	{
  		.modalias = "m25p80",
  		.max_speed_hz = 20000000,
  		.bus_num = 0,
  		.chip_select = 0,
  		.platform_data = &nuc900_spi_flash_data,
  		.mode = SPI_MODE_0,
  	},
  };
  
  /* WDT Device */
  
  static struct resource nuc900_wdt_resource[] = {
  	[0] = {
  		.start = W90X900_PA_TIMER,
  		.end   = W90X900_PA_TIMER + W90X900_SZ_TIMER - 1,
  		.flags = IORESOURCE_MEM,
  	},
  	[1] = {
  		.start = IRQ_WDT,
  		.end   = IRQ_WDT,
  		.flags = IORESOURCE_IRQ,
  	}
  };
  
  static struct platform_device nuc900_device_wdt = {
  	.name		= "nuc900-wdt",
  	.id		= -1,
  	.num_resources	= ARRAY_SIZE(nuc900_wdt_resource),
  	.resource	= nuc900_wdt_resource,
  };
  
  /*
   * public device definition between 910 and 920, or 910
   * and 950 or 950 and 960...,their dev platform register
   * should be in specific file such as nuc950, nuc960 c
   * files rather than the public dev.c file here. so the
   * corresponding platform_device definition should not be
   * static.
  */
  
  /* RTC controller*/
  
  static struct resource nuc900_rtc_resource[] = {
  	[0] = {
  		.start = W90X900_PA_RTC,
  		.end   = W90X900_PA_RTC + 0xff,
  		.flags = IORESOURCE_MEM,
  	},
  	[1] = {
  		.start = IRQ_RTC,
  		.end   = IRQ_RTC,
  		.flags = IORESOURCE_IRQ,
  	},
  };
  
  struct platform_device nuc900_device_rtc = {
  	.name		= "nuc900-rtc",
  	.id		= -1,
  	.num_resources	= ARRAY_SIZE(nuc900_rtc_resource),
  	.resource	= nuc900_rtc_resource,
  };
  
  /*TouchScreen controller*/
  
  static struct resource nuc900_ts_resource[] = {
  	[0] = {
  		.start = W90X900_PA_ADC,
  		.end   = W90X900_PA_ADC + W90X900_SZ_ADC-1,
  		.flags = IORESOURCE_MEM,
  	},
  	[1] = {
  		.start = IRQ_ADC,
  		.end   = IRQ_ADC,
  		.flags = IORESOURCE_IRQ,
  	},
  };
  
  struct platform_device nuc900_device_ts = {
  	.name		= "nuc900-ts",
  	.id		= -1,
  	.resource	= nuc900_ts_resource,
  	.num_resources	= ARRAY_SIZE(nuc900_ts_resource),
  };
  
  /* FMI Device */
  
  static struct resource nuc900_fmi_resource[] = {
  	[0] = {
  		.start = W90X900_PA_FMI,
  		.end   = W90X900_PA_FMI + W90X900_SZ_FMI - 1,
  		.flags = IORESOURCE_MEM,
  	},
  	[1] = {
  		.start = IRQ_FMI,
  		.end   = IRQ_FMI,
  		.flags = IORESOURCE_IRQ,
  	}
  };
  
  struct platform_device nuc900_device_fmi = {
  	.name		= "nuc900-fmi",
  	.id		= -1,
  	.num_resources	= ARRAY_SIZE(nuc900_fmi_resource),
  	.resource	= nuc900_fmi_resource,
  };
  
  /* KPI controller*/
  
  static int nuc900_keymap[] = {
  	KEY(0, 0, KEY_A),
  	KEY(0, 1, KEY_B),
  	KEY(0, 2, KEY_C),
  	KEY(0, 3, KEY_D),
  
  	KEY(1, 0, KEY_E),
  	KEY(1, 1, KEY_F),
  	KEY(1, 2, KEY_G),
  	KEY(1, 3, KEY_H),
  
  	KEY(2, 0, KEY_I),
  	KEY(2, 1, KEY_J),
  	KEY(2, 2, KEY_K),
  	KEY(2, 3, KEY_L),
  
  	KEY(3, 0, KEY_M),
  	KEY(3, 1, KEY_N),
  	KEY(3, 2, KEY_O),
  	KEY(3, 3, KEY_P),
  };
  
  static struct matrix_keymap_data nuc900_map_data = {
  	.keymap			= nuc900_keymap,
  	.keymap_size		= ARRAY_SIZE(nuc900_keymap),
  };
  
  struct w90p910_keypad_platform_data nuc900_keypad_info = {
  	.keymap_data	= &nuc900_map_data,
  	.prescale	= 0xfa,
  	.debounce	= 0x50,
  };
  
  static struct resource nuc900_kpi_resource[] = {
  	[0] = {
  		.start = W90X900_PA_KPI,
  		.end   = W90X900_PA_KPI + W90X900_SZ_KPI - 1,
  		.flags = IORESOURCE_MEM,
  	},
  	[1] = {
  		.start = IRQ_KPI,
  		.end   = IRQ_KPI,
  		.flags = IORESOURCE_IRQ,
  	}
  
  };
  
  struct platform_device nuc900_device_kpi = {
  	.name		= "nuc900-kpi",
  	.id		= -1,
  	.num_resources	= ARRAY_SIZE(nuc900_kpi_resource),
  	.resource	= nuc900_kpi_resource,
  	.dev		= {
  				.platform_data = &nuc900_keypad_info,
  			}
  };
  
  /* LCD controller*/
  
  static struct nuc900fb_display nuc900_lcd_info[] = {
  	/* Giantplus Technology GPM1040A0 320x240 Color TFT LCD */
  	[0] = {
  		.type		= LCM_DCCS_VA_SRC_RGB565,
  		.width		= 320,
  		.height		= 240,
  		.xres		= 320,
  		.yres		= 240,
  		.bpp		= 16,
  		.pixclock	= 200000,
  		.left_margin	= 34,
  		.right_margin   = 54,
  		.hsync_len	= 10,
  		.upper_margin	= 18,
  		.lower_margin	= 4,
  		.vsync_len	= 1,
  		.dccs		= 0x8e00041a,
  		.devctl		= 0x060800c0,
  		.fbctrl		= 0x00a000a0,
  		.scale		= 0x04000400,
  	},
  };
  
  static struct nuc900fb_mach_info nuc900_fb_info = {
  #if defined(CONFIG_GPM1040A0_320X240)
  	.displays		= &nuc900_lcd_info[0],
  #else
  	.displays		= nuc900_lcd_info,
  #endif
  	.num_displays		= ARRAY_SIZE(nuc900_lcd_info),
  	.default_display	= 0,
  	.gpio_dir		= 0x00000004,
  	.gpio_dir_mask		= 0xFFFFFFFD,
  	.gpio_data		= 0x00000004,
  	.gpio_data_mask		= 0xFFFFFFFD,
  };
  
  static struct resource nuc900_lcd_resource[] = {
  	[0] = {
  		.start = W90X900_PA_LCD,
  		.end   = W90X900_PA_LCD + W90X900_SZ_LCD - 1,
  		.flags = IORESOURCE_MEM,
  	},
  	[1] = {
  		.start = IRQ_LCD,
  		.end   = IRQ_LCD,
  		.flags = IORESOURCE_IRQ,
  	}
  };
  
  static u64 nuc900_device_lcd_dmamask = -1;
  struct platform_device nuc900_device_lcd = {
  	.name             = "nuc900-lcd",
  	.id               = -1,
  	.num_resources    = ARRAY_SIZE(nuc900_lcd_resource),
  	.resource         = nuc900_lcd_resource,
  	.dev              = {
  		.dma_mask               = &nuc900_device_lcd_dmamask,
  		.coherent_dma_mask      = -1,
  		.platform_data = &nuc900_fb_info,
  	}
  };
  
  /* AUDIO controller*/
  static u64 nuc900_device_audio_dmamask = -1;
  static struct resource nuc900_ac97_resource[] = {
  	[0] = {
  		.start = W90X900_PA_ACTL,
  		.end   = W90X900_PA_ACTL + W90X900_SZ_ACTL - 1,
  		.flags = IORESOURCE_MEM,
  	},
  	[1] = {
  		.start = IRQ_ACTL,
  		.end   = IRQ_ACTL,
  		.flags = IORESOURCE_IRQ,
  	}
  
  };
  
  struct platform_device nuc900_device_ac97 = {
  	.name		= "nuc900-ac97",
  	.id		= -1,
  	.num_resources	= ARRAY_SIZE(nuc900_ac97_resource),
  	.resource	= nuc900_ac97_resource,
  	.dev              = {
  		.dma_mask               = &nuc900_device_audio_dmamask,
  		.coherent_dma_mask      = -1,
  	}
  };
  
  /*Here should be your evb resourse,such as LCD*/
  
  static struct platform_device *nuc900_public_dev[] __initdata = {
  	&nuc900_serial_device,
  	&nuc900_flash_device,
  	&nuc900_device_usb_ehci,
  	&nuc900_device_usb_ohci,
  	&nuc900_device_usbgadget,
  	&nuc900_device_emc,
  	&nuc900_device_spi,
  	&nuc900_device_wdt,
  	&nuc900_device_ac97,
  };
  
  /* Provide adding specific CPU platform devices API */
  
  void __init nuc900_board_init(struct platform_device **device, int size)
  {
  	platform_add_devices(device, size);
  	platform_add_devices(nuc900_public_dev, ARRAY_SIZE(nuc900_public_dev));
  	spi_register_board_info(nuc900_spi_board_info,
  					ARRAY_SIZE(nuc900_spi_board_info));
  }
  
  