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

   1/*
   2 * arch/arm/mach-ixp4xx/coyote-setup.c
   3 *
   4 * Board setup for ADI Engineering and IXDGP425 boards
   5 *
   6 * Copyright (C) 2003-2005 MontaVista Software, Inc.
   7 *
   8 * Author: Deepak Saxena <dsaxena@plexity.net>
   9 */
  10
  11#include <linux/kernel.h>
  12#include <linux/init.h>
  13#include <linux/device.h>
  14#include <linux/serial.h>
  15#include <linux/tty.h>
  16#include <linux/serial_8250.h>
  17#include <linux/slab.h>
  18
  19#include <asm/types.h>
  20#include <asm/setup.h>
  21#include <asm/memory.h>
  22#include <mach/hardware.h>
  23#include <asm/irq.h>
  24#include <asm/mach-types.h>
  25#include <asm/mach/arch.h>
  26#include <asm/mach/flash.h>
  27
  28static struct flash_platform_data coyote_flash_data = {
  29        .map_name       = "cfi_probe",
  30        .width          = 2,
  31};
  32
  33static struct resource coyote_flash_resource = {
  34        .flags          = IORESOURCE_MEM,
  35};
  36
  37static struct platform_device coyote_flash = {
  38        .name           = "IXP4XX-Flash",
  39        .id             = 0,
  40        .dev            = {
  41                .platform_data = &coyote_flash_data,
  42        },
  43        .num_resources  = 1,
  44        .resource       = &coyote_flash_resource,
  45};
  46
  47static struct resource coyote_uart_resource = {
  48        .start  = IXP4XX_UART2_BASE_PHYS,
  49        .end    = IXP4XX_UART2_BASE_PHYS + 0x0fff,
  50        .flags  = IORESOURCE_MEM,
  51};
  52
  53static struct plat_serial8250_port coyote_uart_data[] = {
  54        {
  55                .mapbase        = IXP4XX_UART2_BASE_PHYS,
  56                .membase        = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
  57                .irq            = IRQ_IXP4XX_UART2,
  58                .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
  59                .iotype         = UPIO_MEM,
  60                .regshift       = 2,
  61                .uartclk        = IXP4XX_UART_XTAL,
  62        },
  63        { },
  64};
  65
  66static struct platform_device coyote_uart = {
  67        .name           = "serial8250",
  68        .id             = PLAT8250_DEV_PLATFORM,
  69        .dev                    = {
  70                .platform_data  = coyote_uart_data,
  71        },
  72        .num_resources  = 1,
  73        .resource       = &coyote_uart_resource,
  74};
  75
  76static struct platform_device *coyote_devices[] __initdata = {
  77        &coyote_flash,
  78        &coyote_uart
  79};
  80
  81static void __init coyote_init(void)
  82{
  83        ixp4xx_sys_init();
  84
  85        coyote_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
  86        coyote_flash_resource.end = IXP4XX_EXP_BUS_BASE(0) + SZ_32M - 1;
  87
  88        *IXP4XX_EXP_CS0 |= IXP4XX_FLASH_WRITABLE;
  89        *IXP4XX_EXP_CS1 = *IXP4XX_EXP_CS0;
  90
  91        if (machine_is_ixdpg425()) {
  92                coyote_uart_data[0].membase =
  93                        (char*)(IXP4XX_UART1_BASE_VIRT + REG_OFFSET);
  94                coyote_uart_data[0].mapbase = IXP4XX_UART1_BASE_PHYS;
  95                coyote_uart_data[0].irq = IRQ_IXP4XX_UART1;
  96        }
  97
  98        platform_add_devices(coyote_devices, ARRAY_SIZE(coyote_devices));
  99}
 100
 101#ifdef CONFIG_ARCH_ADI_COYOTE
 102MACHINE_START(ADI_COYOTE, "ADI Engineering Coyote")
 103        /* Maintainer: MontaVista Software, Inc. */
 104        .phys_io        = IXP4XX_PERIPHERAL_BASE_PHYS,
 105        .io_pg_offst    = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xfffc,
 106        .map_io         = ixp4xx_map_io,
 107        .init_irq       = ixp4xx_init_irq,
 108        .timer          = &ixp4xx_timer,
 109        .boot_params    = 0x0100,
 110        .init_machine   = coyote_init,
 111MACHINE_END
 112#endif
 113
 114/*
 115 * IXDPG425 is identical to Coyote except for which serial port
 116 * is connected.
 117 */
 118#ifdef CONFIG_MACH_IXDPG425
 119MACHINE_START(IXDPG425, "Intel IXDPG425")
 120        /* Maintainer: MontaVista Software, Inc. */
 121        .phys_io        = IXP4XX_PERIPHERAL_BASE_PHYS,
 122        .io_pg_offst    = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xfffc,
 123        .map_io         = ixp4xx_map_io,
 124        .init_irq       = ixp4xx_init_irq,
 125        .timer          = &ixp4xx_timer,
 126        .boot_params    = 0x0100,
 127        .init_machine   = coyote_init,
 128MACHINE_END
 129#endif
 130
 131