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kernel/linux-imx6_3.14.28/arch/arm/mach-ixp4xx/wg302v2-setup.c 2.52 KB
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  /*
   * arch/arm/mach-ixp4xx/wg302-setup.c
   *
   * Board setup for the Netgear WG302 v2 and WAG302 v2
   *
   * Copyright (C) 2007 Imre Kaloz <Kaloz@openwrt.org>
   *
   * based on coyote-setup.c:
   *      Copyright (C) 2003-2005 MontaVista Software, Inc.
   *
   * Author: Imre Kaloz <kaloz@openwrt.org>
   *
   */
  
  #include <linux/kernel.h>
  #include <linux/init.h>
  #include <linux/device.h>
  #include <linux/serial.h>
  #include <linux/tty.h>
  #include <linux/serial_8250.h>
  
  #include <asm/types.h>
  #include <asm/setup.h>
  #include <asm/memory.h>
  #include <mach/hardware.h>
  #include <asm/irq.h>
  #include <asm/mach-types.h>
  #include <asm/mach/arch.h>
  #include <asm/mach/flash.h>
  
  static struct flash_platform_data wg302v2_flash_data = {
  	.map_name	= "cfi_probe",
  	.width		= 2,
  };
  
  static struct resource wg302v2_flash_resource = {
  	.flags		= IORESOURCE_MEM,
  };
  
  static struct platform_device wg302v2_flash = {
  	.name		= "IXP4XX-Flash",
  	.id		= 0,
  	.dev		= {
  		.platform_data = &wg302v2_flash_data,
  	},
  	.num_resources	= 1,
  	.resource	= &wg302v2_flash_resource,
  };
  
  static struct resource wg302v2_uart_resource = {
  	.start	= IXP4XX_UART2_BASE_PHYS,
  	.end	= IXP4XX_UART2_BASE_PHYS + 0x0fff,
  	.flags	= IORESOURCE_MEM,
  };
  
  static struct plat_serial8250_port wg302v2_uart_data[] = {
  	{
  		.mapbase	= IXP4XX_UART2_BASE_PHYS,
  		.membase	= (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
  		.irq		= IRQ_IXP4XX_UART2,
  		.flags		= UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
  		.iotype		= UPIO_MEM,
  		.regshift	= 2,
  		.uartclk	= IXP4XX_UART_XTAL,
  	},
  	{ },
  };
  
  static struct platform_device wg302v2_uart = {
  	.name		= "serial8250",
  	.id		= PLAT8250_DEV_PLATFORM,
  	.dev			= {
  		.platform_data	= wg302v2_uart_data,
  	},
  	.num_resources	= 1,
  	.resource	= &wg302v2_uart_resource,
  };
  
  static struct platform_device *wg302v2_devices[] __initdata = {
  	&wg302v2_flash,
  	&wg302v2_uart,
  };
  
  static void __init wg302v2_init(void)
  {
  	ixp4xx_sys_init();
  
  	wg302v2_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
  	wg302v2_flash_resource.end = IXP4XX_EXP_BUS_BASE(0) + SZ_32M - 1;
  
  	*IXP4XX_EXP_CS0 |= IXP4XX_FLASH_WRITABLE;
  	*IXP4XX_EXP_CS1 = *IXP4XX_EXP_CS0;
  
  	platform_add_devices(wg302v2_devices, ARRAY_SIZE(wg302v2_devices));
  }
  
  #ifdef CONFIG_MACH_WG302V2
  MACHINE_START(WG302V2, "Netgear WG302 v2 / WAG302 v2")
  	/* Maintainer: Imre Kaloz <kaloz@openwrt.org> */
  	.map_io		= ixp4xx_map_io,
  	.init_early	= ixp4xx_init_early,
  	.init_irq	= ixp4xx_init_irq,
  	.init_time	= ixp4xx_timer_init,
  	.atag_offset	= 0x100,
  	.init_machine	= wg302v2_init,
  #if defined(CONFIG_PCI)
  	.dma_zone_size	= SZ_64M,
  #endif
  	.restart	= ixp4xx_restart,
  MACHINE_END
  #endif