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/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_core.h>
  17
  18 #include <asm/types.h>
  19 #include <asm/setup.h>
  20 #include <asm/memory.h>
  21 #include <asm/hardware.h>
  22 #include <asm/mach-types.h>
  23 #include <asm/irq.h>
  24 #include <asm/mach/arch.h>
  25 #include <asm/mach/flash.h>
  26
  27 #ifdef  __ARMEB__
  28 #define REG_OFFSET      3
  29 #else
  30 #define REG_OFFSET      0
  31 #endif
  32
  33 /*
  34  * IXDP425 uses both chipset serial ports
  35  */
  36 static struct uart_port ixdp425_serial_ports[] = {
  37         {
  38                 .membase        = (char*)(IXP4XX_UART1_BASE_VIRT + REG_OFFSET),
  39                 .mapbase        = (IXP4XX_UART1_BASE_PHYS),
  40                 .irq            = IRQ_IXP4XX_UART1,
  41                 .flags          = UPF_SKIP_TEST,
  42                 .iotype         = UPIO_MEM,
  43                 .regshift       = 2,
  44                 .uartclk        = IXP4XX_UART_XTAL,
  45                 .line           = 0,
  46                 .type           = PORT_XSCALE,
  47                 .fifosize       = 32
  48         } , {
  49                 .membase        = (char*)(IXP4XX_UART2_BASE_VIRT + REG_OFFSET),
  50                 .mapbase        = (IXP4XX_UART2_BASE_PHYS),
  51                 .irq            = IRQ_IXP4XX_UART2,
  52                 .flags          = UPF_SKIP_TEST,
  53                 .iotype         = UPIO_MEM,
  54                 .regshift       = 2,
  55                 .uartclk        = IXP4XX_UART_XTAL,
  56                 .line           = 1,
  57                 .type           = PORT_XSCALE,
  58                 .fifosize       = 32
  59         }
  60 };
  61
  62 void __init ixdp425_map_io(void)
  63 {
  64         early_serial_setup(&ixdp425_serial_ports[0]);
  65         early_serial_setup(&ixdp425_serial_ports[1]);
  66
  67         ixp4xx_map_io();
  68 }
  69
  70 static struct flash_platform_data ixdp425_flash_data = {
  71         .map_name       = "cfi_probe",
  72         .width          = 2,
  73 };
  74
  75 static struct resource ixdp425_flash_resource = {
  76         .start          = IXDP425_FLASH_BASE,
  77         .end            = IXDP425_FLASH_BASE + IXDP425_FLASH_SIZE,
  78         .flags          = IORESOURCE_MEM,
  79 };
  80
  81 static struct platform_device ixdp425_flash = {
  82         .name           = "IXP4XX-Flash",
  83         .id             = 0,
  84         .dev            = {
  85                 .platform_data = &ixdp425_flash_data,
  86         },
  87         .num_resources  = 1,
  88         .resource       = &ixdp425_flash_resource,
  89 };
  90
  91 static struct ixp4xx_i2c_pins ixdp425_i2c_gpio_pins = {
  92         .sda_pin        = IXDP425_SDA_PIN,
  93         .scl_pin        = IXDP425_SCL_PIN,
  94 };
  95
  96 static struct platform_device ixdp425_i2c_controller = {
  97         .name           = "IXP4XX-I2C",
  98         .id             = 0,
  99         .dev            = {
 100                 .platform_data = &ixdp425_i2c_gpio_pins,
 101         },
 102         .num_resources  = 0
 103 };
 104
 105 static struct platform_device *ixdp425_devices[] __initdata = {
 106         &ixdp425_i2c_controller,
 107         &ixdp425_flash
 108 };
 109
 110 static void __init ixdp425_init(void)
 111 {
 112         ixp4xx_sys_init();
 113
 114         /*
 115          * IXP465 has 32MB window
 116          */
 117         if (machine_is_ixdp465()) {
 118                 ixdp425_flash_resource.end += IXDP425_FLASH_SIZE;
 119         }
 120
 121         platform_add_devices(ixdp425_devices, ARRAY_SIZE(ixdp425_devices));
 122 }
 123
 124 MACHINE_START(IXDP425, "Intel IXDP425 Development Platform")
 125         MAINTAINER("MontaVista Software, Inc.")
 126         BOOT_MEM(PHYS_OFFSET, IXP4XX_PERIPHERAL_BASE_PHYS,
 127                 IXP4XX_PERIPHERAL_BASE_VIRT)
 128         MAPIO(ixdp425_map_io)
 129         INITIRQ(ixp4xx_init_irq)
 130         .timer          = &ixp4xx_timer,
 131         BOOT_PARAMS(0x0100)
 132         INIT_MACHINE(ixdp425_init)
 133 MACHINE_END
 134
 135 MACHINE_START(IXDP465, "Intel IXDP465 Development Platform")
 136         MAINTAINER("MontaVista Software, Inc.")
 137         BOOT_MEM(PHYS_OFFSET, IXP4XX_PERIPHERAL_BASE_PHYS,
 138                 IXP4XX_PERIPHERAL_BASE_VIRT)
 139         MAPIO(ixdp425_map_io)
 140         INITIRQ(ixp4xx_init_irq)
 141         .timer          = &ixp4xx_timer,
 142         BOOT_PARAMS(0x0100)
 143         INIT_MACHINE(ixdp425_init)
 144 MACHINE_END
 145
 146 MACHINE_START(IXCDP1100, "Intel IXCDP1100 Development Platform")
 147         MAINTAINER("MontaVista Software, Inc.")
 148         BOOT_MEM(PHYS_OFFSET, IXP4XX_PERIPHERAL_BASE_PHYS,
 149                 IXP4XX_PERIPHERAL_BASE_VIRT)
 150         MAPIO(ixdp425_map_io)
 151         INITIRQ(ixp4xx_init_irq)
 152         .timer          = &ixp4xx_timer,
 153         BOOT_PARAMS(0x0100)
 154         INIT_MACHINE(ixdp425_init)
 155 MACHINE_END
 156
 157 /*
 158  * Avila is functionally equivalent to IXDP425 except that it adds
 159  * a CF IDE slot hanging off the expansion bus. When we have a
 160  * driver for IXP4xx CF IDE with driver model support we'll move
 161  * Avila to it's own setup file.
 162  */
 163 #ifdef CONFIG_ARCH_AVILA
 164 MACHINE_START(AVILA, "Gateworks Avila Network Platform")
 165         MAINTAINER("Deepak Saxena <dsaxena@plexity.net>")
 166         BOOT_MEM(PHYS_OFFSET, IXP4XX_PERIPHERAL_BASE_PHYS,
 167                 IXP4XX_PERIPHERAL_BASE_VIRT)
 168         MAPIO(ixdp425_map_io)
 169         INITIRQ(ixp4xx_init_irq)
 170         .timer          = &ixp4xx_timer,
 171         BOOT_PARAMS(0x0100)
 172         INIT_MACHINE(ixdp425_init)
 173 MACHINE_END
 174 #endif
 175