kernel/linux/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) 2003-2004 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/mach-types.h>
  22 #include <asm/irq.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  * IXDP425 uses both chipset serial ports
  34  */
  35 static struct uart_port ixdp425_serial_ports[] = {
  36         {
  37                 .membase        = (char*)(IXP4XX_UART1_BASE_VIRT + REG_OFFSET),
  38                 .mapbase        = (IXP4XX_UART1_BASE_PHYS),
  39                 .irq            = IRQ_IXP4XX_UART1,
  40                 .flags          = UPF_SKIP_TEST,
  41                 .iotype         = UPIO_MEM,
  42                 .regshift       = 2,
  43                 .uartclk        = IXP4XX_UART_XTAL,
  44                 .line           = 0,
  45                 .type           = PORT_XSCALE,
  46                 .fifosize       = 32
  47         } , {
  48                 .membase        = (char*)(IXP4XX_UART2_BASE_VIRT + REG_OFFSET),
  49                 .mapbase        = (IXP4XX_UART2_BASE_PHYS),
  50                 .irq            = IRQ_IXP4XX_UART2,
  51                 .flags          = UPF_SKIP_TEST,
  52                 .iotype         = UPIO_MEM,
  53                 .regshift       = 2,
  54                 .uartclk        = IXP4XX_UART_XTAL,
  55                 .line           = 1,
  56                 .type           = PORT_XSCALE,
  57                 .fifosize       = 32
  58         }
  59 };
  60
  61 void __init ixdp425_map_io(void)
  62 {
  63         early_serial_setup(&ixdp425_serial_ports[0]);
  64         early_serial_setup(&ixdp425_serial_ports[1]);
  65
  66         ixp4xx_map_io();
  67 }
  68
  69 static struct flash_platform_data ixdp425_flash_data = {
  70         .map_name       = "cfi_probe",
  71         .width          = 2,
  72 };
  73
  74 static struct resource ixdp425_flash_resource = {
  75         .start          = IXDP425_FLASH_BASE,
  76         .end            = IXDP425_FLASH_BASE + IXDP425_FLASH_SIZE,
  77         .flags          = IORESOURCE_MEM,
  78 };
  79
  80 static struct platform_device ixdp425_flash = {
  81         .name           = "IXP4XX-Flash",
  82         .id             = 0,
  83         .dev            = {
  84                 .platform_data = &ixdp425_flash_data,
  85         },
  86         .num_resources  = 1,
  87         .resource       = &ixdp425_flash_resource,
  88 };
  89
  90 static struct ixp4xx_i2c_pins ixdp425_i2c_gpio_pins = {
  91         .sda_pin        = IXDP425_SDA_PIN,
  92         .scl_pin        = IXDP425_SCL_PIN,
  93 };
  94
  95 static struct platform_device ixdp425_i2c_controller = {
  96         .name           = "IXP4XX-I2C",
  97         .id             = 0,
  98         .dev            = {
  99                 .platform_data = &ixdp425_i2c_gpio_pins,
 100         },
 101         .num_resources  = 0
 102 };
 103
 104 static struct platform_device *ixdp425_devices[] __initdata = {
 105         &ixdp425_i2c_controller,
 106         &ixdp425_flash
 107 };
 108
 109 static void __init ixdp425_init(void)
 110 {
 111         platform_add_devices(&ixdp425_devices, ARRAY_SIZE(ixdp425_devices));
 112 }
 113
 114 MACHINE_START(IXDP425, "Intel IXDP425 Development Platform")
 115         MAINTAINER("MontaVista Software, Inc.")
 116         BOOT_MEM(PHYS_OFFSET, IXP4XX_PERIPHERAL_BASE_PHYS,
 117                 IXP4XX_PERIPHERAL_BASE_VIRT)
 118         MAPIO(ixdp425_map_io)
 119         INITIRQ(ixp4xx_init_irq)
 120         INITTIME(ixp4xx_init_time)
 121         BOOT_PARAMS(0x0100)
 122         INIT_MACHINE(ixdp425_init)
 123 MACHINE_END
 124
 125 MACHINE_START(IXCDP1100, "Intel IXCDP1100 Development Platform")
 126         MAINTAINER("MontaVista Software, Inc.")
 127         BOOT_MEM(PHYS_OFFSET, IXP4XX_PERIPHERAL_BASE_PHYS,
 128                 IXP4XX_PERIPHERAL_BASE_VIRT)
 129         MAPIO(ixdp425_map_io)
 130         INITIRQ(ixp4xx_init_irq)
 131         INITTIME(ixp4xx_init_time)
 132         BOOT_PARAMS(0x0100)
 133         INIT_MACHINE(ixdp425_init)
 134 MACHINE_END
 135
 136 /*
 137  * Avila is functionally equivalent to IXDP425 except that it adds
 138  * a CF IDE slot hanging off the expansion bus. When we have a
 139  * driver for IXP4xx CF IDE with driver model support we'll move
 140  * Avila to it's own setup file.
 141  */
 142 #ifdef CONFIG_ARCH_AVILA
 143 MACHINE_START(AVILA, "Gateworks Avila Network Platform")
 144         MAINTAINER("Deepak Saxena <dsaxena@plexity.net>")
 145         BOOT_MEM(PHYS_OFFSET, IXP4XX_PERIPHERAL_BASE_PHYS,
 146                 IXP4XX_PERIPHERAL_BASE_VIRT)
 147         MAPIO(ixdp425_map_io)
 148         INITIRQ(ixp4xx_init_irq)
 149         INITTIME(ixp4xx_init_time)
 150         BOOT_PARAMS(0x0100)
 151         INIT_MACHINE(ixdp425_init)
 152 MACHINE_END
 153 #endif
 154