kernel/linux/arch/arm/mach-ixp4xx/coyote-setup.c

   1 /*
   2  * arch/arm/mach-ixp4xx/coyote-setup.c
   3  *
   4  * ADI Engineering Coyote board-setup
   5  *
   6  * Copyright (C) 2003-2004 MontaVista Software, Inc.
   7  *
   8  * Author: Deepak Saxena <dsaxena@plexity.net>
   9  */
  10
  11 #include <linux/init.h>
  12 #include <linux/device.h>
  13 #include <linux/serial.h>
  14 #include <linux/tty.h>
  15 #include <linux/serial_core.h>
  16
  17 #include <asm/types.h>
  18 #include <asm/setup.h>
  19 #include <asm/memory.h>
  20 #include <asm/hardware.h>
  21 #include <asm/irq.h>
  22 #include <asm/mach-types.h>
  23 #include <asm/mach/arch.h>
  24 #include <asm/mach/flash.h>
  25
  26 #ifdef  __ARMEB__
  27 #define REG_OFFSET      3
  28 #else
  29 #define REG_OFFSET      0
  30 #endif
  31
  32 /*
  33  * Only one serial port is connected on the Coyote.
  34  */
  35 static struct uart_port coyote_serial_port = {
  36         .membase        = (char*)(IXP4XX_UART2_BASE_VIRT + REG_OFFSET),
  37         .mapbase        = (IXP4XX_UART2_BASE_PHYS),
  38         .irq            = IRQ_IXP4XX_UART2,
  39         .flags          = UPF_SKIP_TEST,
  40         .iotype         = UPIO_MEM,
  41         .regshift       = 2,
  42         .uartclk        = IXP4XX_UART_XTAL,
  43         .line           = 0,
  44         .type           = PORT_XSCALE,
  45         .fifosize       = 32
  46 };
  47
  48 void __init coyote_map_io(void)
  49 {
  50         early_serial_setup(&coyote_serial_port);
  51
  52         ixp4xx_map_io();
  53 }
  54
  55 static struct flash_platform_data coyote_flash_data = {
  56         .map_name       = "cfi_probe",
  57         .width          = 2,
  58 };
  59
  60 static struct resource coyote_flash_resource = {
  61         .start          = COYOTE_FLASH_BASE,
  62         .end            = COYOTE_FLASH_BASE + COYOTE_FLASH_SIZE,
  63         .flags          = IORESOURCE_MEM,
  64 };
  65
  66 static struct platform_device coyote_flash = {
  67         .name           = "IXP4XX-Flash",
  68         .id             = 0,
  69         .dev            = {
  70                 .platform_data = &coyote_flash_data,
  71         },
  72         .num_resources  = 1,
  73         .resource       = &coyote_flash_resource,
  74 };
  75
  76 static struct platform_device *coyote_devices[] __initdata = {
  77         &coyote_flash
  78 };
  79
  80 static void __init coyote_init(void)
  81 {
  82         platform_add_devices(&coyote_devices, ARRAY_SIZE(coyote_devices));
  83 }
  84
  85 MACHINE_START(ADI_COYOTE, "ADI Engineering IXP4XX Coyote Development Platform")
  86         MAINTAINER("MontaVista Software, Inc.")
  87         BOOT_MEM(PHYS_OFFSET, IXP4XX_PERIPHERAL_BASE_PHYS,
  88                 IXP4XX_PERIPHERAL_BASE_VIRT)
  89         MAPIO(coyote_map_io)
  90         INITIRQ(ixp4xx_init_irq)
  91         INITTIME(ixp4xx_init_time)
  92         BOOT_PARAMS(0x0100)
  93         INIT_MACHINE(coyote_init)
  94 MACHINE_END
  95