release/src-rt-6.x/linux/linux-2.6/arch/arm/mach-ixp4xx/ixdp425-setup.c

   1 /*
   2  * arch/arm/mach-ixp4xx/ixdp425-setup.c
   3  *
   4  * IXDP425/IXCDP1100 board-setup
   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 <asm/hardware.h>
  23 #include <asm/mach-types.h>
  24 #include <asm/irq.h>
  25 #include <asm/mach/arch.h>
  26 #include <asm/mach/flash.h>
  27
  28 static struct flash_platform_data ixdp425_flash_data = {
  29         .map_name       = "cfi_probe",
  30         .width          = 2,
  31 };
  32
  33 static struct resource ixdp425_flash_resource = {
  34         .flags          = IORESOURCE_MEM,
  35 };
  36
  37 static struct platform_device ixdp425_flash = {
  38         .name           = "IXP4XX-Flash",
  39         .id             = 0,
  40         .dev            = {
  41                 .platform_data = &ixdp425_flash_data,
  42         },
  43         .num_resources  = 1,
  44         .resource       = &ixdp425_flash_resource,
  45 };
  46
  47 static struct ixp4xx_i2c_pins ixdp425_i2c_gpio_pins = {
  48         .sda_pin        = IXDP425_SDA_PIN,
  49         .scl_pin        = IXDP425_SCL_PIN,
  50 };
  51
  52 static struct platform_device ixdp425_i2c_controller = {
  53         .name           = "IXP4XX-I2C",
  54         .id             = 0,
  55         .dev            = {
  56                 .platform_data = &ixdp425_i2c_gpio_pins,
  57         },
  58         .num_resources  = 0
  59 };
  60
  61 static struct resource ixdp425_uart_resources[] = {
  62         {
  63                 .start          = IXP4XX_UART1_BASE_PHYS,
  64                 .end            = IXP4XX_UART1_BASE_PHYS + 0x0fff,
  65                 .flags          = IORESOURCE_MEM
  66         },
  67         {
  68                 .start          = IXP4XX_UART2_BASE_PHYS,
  69                 .end            = IXP4XX_UART2_BASE_PHYS + 0x0fff,
  70                 .flags          = IORESOURCE_MEM
  71         }
  72 };
  73
  74 static struct plat_serial8250_port ixdp425_uart_data[] = {
  75         {
  76                 .mapbase        = IXP4XX_UART1_BASE_PHYS,
  77                 .membase        = (char *)IXP4XX_UART1_BASE_VIRT + REG_OFFSET,
  78                 .irq            = IRQ_IXP4XX_UART1,
  79                 .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
  80                 .iotype         = UPIO_MEM,
  81                 .regshift       = 2,
  82                 .uartclk        = IXP4XX_UART_XTAL,
  83         },
  84         {
  85                 .mapbase        = IXP4XX_UART2_BASE_PHYS,
  86                 .membase        = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
  87                 .irq            = IRQ_IXP4XX_UART2,
  88                 .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
  89                 .iotype         = UPIO_MEM,
  90                 .regshift       = 2,
  91                 .uartclk        = IXP4XX_UART_XTAL,
  92         },
  93         { },
  94 };
  95
  96 static struct platform_device ixdp425_uart = {
  97         .name                   = "serial8250",
  98         .id                     = PLAT8250_DEV_PLATFORM,
  99         .dev.platform_data      = ixdp425_uart_data,
 100         .num_resources          = 2,
 101         .resource               = ixdp425_uart_resources
 102 };
 103
 104 static struct platform_device *ixdp425_devices[] __initdata = {
 105         &ixdp425_i2c_controller,
 106         &ixdp425_flash,
 107         &ixdp425_uart
 108 };
 109
 110 static void __init ixdp425_init(void)
 111 {
 112         ixp4xx_sys_init();
 113
 114         ixdp425_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
 115         ixdp425_flash_resource.end =
 116                 IXP4XX_EXP_BUS_BASE(0) + ixp4xx_exp_bus_size - 1;
 117
 118         if (cpu_is_ixp43x()) {
 119                 ixdp425_uart.num_resources = 1;
 120                 ixdp425_uart_data[1].flags = 0;
 121         }
 122
 123         platform_add_devices(ixdp425_devices, ARRAY_SIZE(ixdp425_devices));
 124 }
 125
 126 #ifdef CONFIG_ARCH_IXDP425
 127 MACHINE_START(IXDP425, "Intel IXDP425 Development Platform")
 128         /* Maintainer: MontaVista Software, Inc. */
 129         .phys_io        = IXP4XX_PERIPHERAL_BASE_PHYS,
 130         .io_pg_offst    = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xfffc,
 131         .map_io         = ixp4xx_map_io,
 132         .init_irq       = ixp4xx_init_irq,
 133         .timer          = &ixp4xx_timer,
 134         .boot_params    = 0x0100,
 135         .init_machine   = ixdp425_init,
 136 MACHINE_END
 137 #endif
 138
 139 #ifdef CONFIG_MACH_IXDP465
 140 MACHINE_START(IXDP465, "Intel IXDP465 Development Platform")
 141         /* Maintainer: MontaVista Software, Inc. */
 142         .phys_io        = IXP4XX_PERIPHERAL_BASE_PHYS,
 143         .io_pg_offst    = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xfffc,
 144         .map_io         = ixp4xx_map_io,
 145         .init_irq       = ixp4xx_init_irq,
 146         .timer          = &ixp4xx_timer,
 147         .boot_params    = 0x0100,
 148         .init_machine   = ixdp425_init,
 149 MACHINE_END
 150 #endif
 151
 152 #ifdef CONFIG_ARCH_PRPMC1100
 153 MACHINE_START(IXCDP1100, "Intel IXCDP1100 Development Platform")
 154         /* Maintainer: MontaVista Software, Inc. */
 155         .phys_io        = IXP4XX_PERIPHERAL_BASE_PHYS,
 156         .io_pg_offst    = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xfffc,
 157         .map_io         = ixp4xx_map_io,
 158         .init_irq       = ixp4xx_init_irq,
 159         .timer          = &ixp4xx_timer,
 160         .boot_params    = 0x0100,
 161         .init_machine   = ixdp425_init,
 162 MACHINE_END
 163 #endif
 164
 165 #ifdef CONFIG_MACH_KIXRP435
 166 MACHINE_START(KIXRP435, "Intel KIXRP435 Reference Platform")
 167         /* Maintainer: MontaVista Software, Inc. */
 168         .phys_io        = IXP4XX_PERIPHERAL_BASE_PHYS,
 169         .io_pg_offst    = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xfffc,
 170         .map_io         = ixp4xx_map_io,
 171         .init_irq       = ixp4xx_init_irq,
 172         .timer          = &ixp4xx_timer,
 173         .boot_params    = 0x0100,
 174         .init_machine   = ixdp425_init,
 175 MACHINE_END
 176 #endif