linux-vybrid_public/arch/arm/mach-w90x900/mach-w90p910evb.c

/*
 * linux/arch/arm/mach-w90x900/mach-w90p910evb.c
 *
 * Based on mach-s3c2410/mach-smdk2410.c by Jonas Dietsche
 *
 * Copyright (C) 2008 Nuvoton technology 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/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/map.h>

#include "cpu.h"
/*w90p910 evb norflash driver data */

#define W90P910_FLASH_BASE	0xA0000000
#define W90P910_FLASH_SIZE	0x400000
#define SPIOFFSET		0x200
#define SPIOREG_SIZE		0x100

static struct mtd_partition w90p910_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 w90p910_flash_data = {
	.width		=	2,
	.parts		=	w90p910_flash_partitions,
	.nr_parts	=	ARRAY_SIZE(w90p910_flash_partitions),
};

static struct resource w90p910_flash_resources[] = {
	{
		.start	=	W90P910_FLASH_BASE,
		.end	=	W90P910_FLASH_BASE + W90P910_FLASH_SIZE - 1,
		.flags	=	IORESOURCE_MEM,
	}
};

static struct platform_device w90p910_flash_device = {
	.name		=	"physmap-flash",
	.id		=	0,
	.dev		= {
				.platform_data = &w90p910_flash_data,
			},
	.resource	=	w90p910_flash_resources,
	.num_resources	=	ARRAY_SIZE(w90p910_flash_resources),
};

/* USB EHCI Host Controller */

static struct resource w90x900_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 w90x900_device_usb_ehci_dmamask = 0xffffffffUL;

struct platform_device w90x900_device_usb_ehci = {
	.name		  = "w90x900-ehci",
	.id		  = -1,
	.num_resources	  = ARRAY_SIZE(w90x900_usb_ehci_resource),
	.resource	  = w90x900_usb_ehci_resource,
	.dev              = {
		.dma_mask = &w90x900_device_usb_ehci_dmamask,
		.coherent_dma_mask = 0xffffffffUL
	}
};
EXPORT_SYMBOL(w90x900_device_usb_ehci);

/* USB OHCI Host Controller */

static struct resource w90x900_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 w90x900_device_usb_ohci_dmamask = 0xffffffffUL;
struct platform_device w90x900_device_usb_ohci = {
	.name		  = "w90x900-ohci",
	.id		  = -1,
	.num_resources	  = ARRAY_SIZE(w90x900_usb_ohci_resource),
	.resource	  = w90x900_usb_ohci_resource,
	.dev              = {
		.dma_mask = &w90x900_device_usb_ohci_dmamask,
		.coherent_dma_mask = 0xffffffffUL
	}
};
EXPORT_SYMBOL(w90x900_device_usb_ohci);

/*TouchScreen controller*/

static struct resource w90x900_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 w90x900_device_ts = {
	.name		= "w90x900-ts",
	.id		= -1,
	.resource	= w90x900_ts_resource,
	.num_resources	= ARRAY_SIZE(w90x900_ts_resource),
};
EXPORT_SYMBOL(w90x900_device_ts);

/* RTC controller*/

static struct resource w90x900_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 w90x900_device_rtc = {
	.name		= "w90x900-rtc",
	.id		= -1,
	.num_resources	= ARRAY_SIZE(w90x900_rtc_resource),
	.resource	= w90x900_rtc_resource,
};
EXPORT_SYMBOL(w90x900_device_rtc);

/* KPI controller*/

static struct resource w90x900_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 w90x900_device_kpi = {
	.name		= "w90x900-kpi",
	.id		= -1,
	.num_resources	= ARRAY_SIZE(w90x900_kpi_resource),
	.resource	= w90x900_kpi_resource,
};
EXPORT_SYMBOL(w90x900_device_kpi);

/* USB Device (Gadget)*/

static struct resource w90x900_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,
	}
};

struct platform_device w90x900_device_usbgadget = {
	.name		= "w90x900-usbgadget",
	.id		= -1,
	.num_resources	= ARRAY_SIZE(w90x900_usbgadget_resource),
	.resource	= w90x900_usbgadget_resource,
};
EXPORT_SYMBOL(w90x900_device_usbgadget);

/* FMI Device */

static struct resource w90p910_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,
	}
};

static struct platform_device w90p910_device_fmi = {
	.name		= "w90p910-fmi",
	.id		= -1,
	.num_resources	= ARRAY_SIZE(w90p910_fmi_resource),
	.resource	= w90p910_fmi_resource,
};

/* MAC device */

static struct resource w90x900_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 w90x900_device_emc_dmamask = 0xffffffffUL;
static struct platform_device w90p910_device_emc = {
	.name		= "w90p910-emc",
	.id		= -1,
	.num_resources	= ARRAY_SIZE(w90x900_emc_resource),
	.resource	= w90x900_emc_resource,
	.dev              = {
		.dma_mask = &w90x900_device_emc_dmamask,
		.coherent_dma_mask = 0xffffffffUL
	}
};

/* SPI device */

static struct resource w90p910_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 w90p910_device_spi = {
	.name		= "w90p910-spi",
	.id		= -1,
	.num_resources	= ARRAY_SIZE(w90p910_spi_resource),
	.resource	= w90p910_spi_resource,
};

/* spi device, spi flash info */

static struct mtd_partition w90p910_spi_flash_partitions[] = {
	{
		.name = "bootloader(spi)",
		.size = 0x0100000,
		.offset = 0,
	},
};

static struct flash_platform_data w90p910_spi_flash_data = {
	.name = "m25p80",
	.parts =  w90p910_spi_flash_partitions,
	.nr_parts = ARRAY_SIZE(w90p910_spi_flash_partitions),
	.type = "w25x16",
};

static struct spi_board_info w90p910_spi_board_info[] __initdata = {
	{
		.modalias = "m25p80",
		.max_speed_hz = 20000000,
		.bus_num = 0,
		.chip_select = 1,
		.platform_data = &w90p910_spi_flash_data,
		.mode = SPI_MODE_0,
	},
};

/* WDT Device */

static struct resource w90p910_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 w90p910_device_wdt = {
	.name		= "w90p910-wdt",
	.id		= -1,
	.num_resources	= ARRAY_SIZE(w90p910_wdt_resource),
	.resource	= w90p910_wdt_resource,
};

static struct map_desc w90p910_iodesc[] __initdata = {
};

/*Here should be your evb resourse,such as LCD*/

static struct platform_device *w90p910evb_dev[] __initdata = {
	&w90p910_serial_device,
	&w90p910_flash_device,
	&w90x900_device_usb_ehci,
	&w90x900_device_usb_ohci,
	&w90x900_device_ts,
	&w90x900_device_rtc,
	&w90x900_device_kpi,
	&w90x900_device_usbgadget,
	&w90p910_device_fmi,
	&w90p910_device_emc,
	&w90p910_device_spi,
	&w90p910_device_wdt,
};

static void __init w90p910evb_map_io(void)
{
	w90p910_map_io(w90p910_iodesc, ARRAY_SIZE(w90p910_iodesc));
	w90p910_init_clocks();
}

static void __init w90p910evb_init(void)
{
	platform_add_devices(w90p910evb_dev, ARRAY_SIZE(w90p910evb_dev));
	spi_register_board_info(w90p910_spi_board_info,
					ARRAY_SIZE(w90p910_spi_board_info));
}

MACHINE_START(W90P910EVB, "W90P910EVB")
	/* Maintainer: Wan ZongShun */
	.phys_io	= W90X900_PA_UART,
	.io_pg_offst	= (((u32)W90X900_VA_UART) >> 18) & 0xfffc,
	.boot_params	= 0,
	.map_io		= w90p910evb_map_io,
	.init_irq	= w90x900_init_irq,
	.init_machine	= w90p910evb_init,
	.timer		= &w90x900_timer,
MACHINE_END