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   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
  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 void __init ixdp425_map_io(void)
  28 {
  29         ixp4xx_map_io();
  30 }
  31
  32 static struct flash_platform_data ixdp425_flash_data = {
  33         .map_name       = "cfi_probe",
  34         .width          = 2,
  35 };
  36
  37 static struct resource ixdp425_flash_resource = {
  38         .start          = IXDP425_FLASH_BASE,
  39         .end            = IXDP425_FLASH_BASE + IXDP425_FLASH_SIZE - 1,
  40         .flags          = IORESOURCE_MEM,
  41 };
  42
  43 static struct platform_device ixdp425_flash = {
  44         .name           = "IXP4XX-Flash",
  45         .id             = 0,
  46         .dev            = {
  47                 .platform_data = &ixdp425_flash_data,
  48         },
  49         .num_resources  = 1,
  50         .resource       = &ixdp425_flash_resource,
  51 };
  52
  53 static struct ixp4xx_i2c_pins ixdp425_i2c_gpio_pins = {
  54         .sda_pin        = IXDP425_SDA_PIN,
  55         .scl_pin        = IXDP425_SCL_PIN,
  56 };
  57
  58 static struct platform_device ixdp425_i2c_controller = {
  59         .name           = "IXP4XX-I2C",
  60         .id             = 0,
  61         .dev            = {
  62                 .platform_data = &ixdp425_i2c_gpio_pins,
  63         },
  64         .num_resources  = 0
  65 };
  66
  67 static struct resource ixdp425_uart_resources[] = {
  68         {
  69                 .start          = IXP4XX_UART1_BASE_PHYS,
  70                 .end            = IXP4XX_UART1_BASE_PHYS + 0x0fff,
  71                 .flags          = IORESOURCE_MEM
  72         },
  73         {
  74                 .start          = IXP4XX_UART2_BASE_PHYS,
  75                 .end            = IXP4XX_UART2_BASE_PHYS + 0x0fff,
  76                 .flags          = IORESOURCE_MEM
  77         }
  78 };
  79
  80 static struct plat_serial8250_port ixdp425_uart_data[] = {
  81         {
  82                 .mapbase        = IXP4XX_UART1_BASE_PHYS,
  83                 .membase        = (char *)IXP4XX_UART1_BASE_VIRT + REG_OFFSET,
  84                 .irq            = IRQ_IXP4XX_UART1,
  85                 .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
  86                 .iotype         = UPIO_MEM,
  87                 .regshift       = 2,
  88                 .uartclk        = IXP4XX_UART_XTAL,
  89         },
  90         {
  91                 .mapbase        = IXP4XX_UART2_BASE_PHYS,
  92                 .membase        = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
  93                 .irq            = IRQ_IXP4XX_UART1,
  94                 .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
  95                 .iotype         = UPIO_MEM,
  96                 .regshift       = 2,
  97                 .uartclk        = IXP4XX_UART_XTAL,
  98         },
  99         { },
 100 };
 101
 102 static struct platform_device ixdp425_uart = {
 103         .name                   = "serial8250",
 104         .id                     = 0,
 105         .dev.platform_data      = ixdp425_uart_data,
 106         .num_resources          = 2,
 107         .resource               = ixdp425_uart_resources
 108 };
 109
 110 static struct platform_device *ixdp425_devices[] __initdata = {
 111         &ixdp425_i2c_controller,
 112         &ixdp425_flash,
 113         &ixdp425_uart
 114 };
 115
 116
 117 static void __init ixdp425_init(void)
 118 {
 119         ixp4xx_sys_init();
 120
 121         /*
 122          * IXP465 has 32MB window
 123          */
 124         if (machine_is_ixdp465()) {
 125                 ixdp425_flash_resource.end += IXDP425_FLASH_SIZE;
 126         }
 127
 128         platform_add_devices(ixdp425_devices, ARRAY_SIZE(ixdp425_devices));
 129 }
 130
 131 MACHINE_START(IXDP425, "Intel IXDP425 Development Platform")
 132         /* Maintainer: MontaVista Software, Inc. */
 133         .phys_ram       = PHYS_OFFSET,
 134         .phys_io        = IXP4XX_PERIPHERAL_BASE_PHYS,
 135         .io_pg_offst    = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xfffc,
 136         .map_io         = ixdp425_map_io,
 137         .init_irq       = ixp4xx_init_irq,
 138         .timer          = &ixp4xx_timer,
 139         .boot_params    = 0x0100,
 140         .init_machine   = ixdp425_init,
 141 MACHINE_END
 142
 143 MACHINE_START(IXDP465, "Intel IXDP465 Development Platform")
 144         /* Maintainer: MontaVista Software, Inc. */
 145         .phys_ram       = PHYS_OFFSET,
 146         .phys_io        = IXP4XX_PERIPHERAL_BASE_PHYS,
 147         .io_pg_offst    = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xfffc,
 148         .map_io         = ixdp425_map_io,
 149         .init_irq       = ixp4xx_init_irq,
 150         .timer          = &ixp4xx_timer,
 151         .boot_params    = 0x0100,
 152         .init_machine   = ixdp425_init,
 153 MACHINE_END
 154
 155 MACHINE_START(IXCDP1100, "Intel IXCDP1100 Development Platform")
 156         /* Maintainer: MontaVista Software, Inc. */
 157         .phys_ram       = PHYS_OFFSET,
 158         .phys_io        = IXP4XX_PERIPHERAL_BASE_PHYS,
 159         .io_pg_offst    = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xfffc,
 160         .map_io         = ixdp425_map_io,
 161         .init_irq       = ixp4xx_init_irq,
 162         .timer          = &ixp4xx_timer,
 163         .boot_params    = 0x0100,
 164         .init_machine   = ixdp425_init,
 165 MACHINE_END
 166
 167 /*
 168  * Avila is functionally equivalent to IXDP425 except that it adds
 169  * a CF IDE slot hanging off the expansion bus. When we have a
 170  * driver for IXP4xx CF IDE with driver model support we'll move
 171  * Avila to it's own setup file.
 172  */
 173 #ifdef CONFIG_ARCH_AVILA
 174 MACHINE_START(AVILA, "Gateworks Avila Network Platform")
 175         /* Maintainer: Deepak Saxena <dsaxena@plexity.net> */
 176         .phys_ram       = PHYS_OFFSET,
 177         .phys_io        = IXP4XX_PERIPHERAL_BASE_PHYS,
 178         .io_pg_offst    = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xfffc,
 179         .map_io         = ixdp425_map_io,
 180         .init_irq       = ixp4xx_init_irq,
 181         .timer          = &ixp4xx_timer,
 182         .boot_params    = 0x0100,
 183         .init_machine   = ixdp425_init,
 184 MACHINE_END
 185 #endif
 186