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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 static struct flash_platform_data ixdp425_flash_data = {
  28         .map_name       = "cfi_probe",
  29         .width          = 2,
  30 };
  31
  32 static struct resource ixdp425_flash_resource = {
  33         .start          = IXDP425_FLASH_BASE,
  34         .end            = IXDP425_FLASH_BASE + IXDP425_FLASH_SIZE - 1,
  35         .flags          = IORESOURCE_MEM,
  36 };
  37
  38 static struct platform_device ixdp425_flash = {
  39         .name           = "IXP4XX-Flash",
  40         .id             = 0,
  41         .dev            = {
  42                 .platform_data = &ixdp425_flash_data,
  43         },
  44         .num_resources  = 1,
  45         .resource       = &ixdp425_flash_resource,
  46 };
  47
  48 static struct ixp4xx_i2c_pins ixdp425_i2c_gpio_pins = {
  49         .sda_pin        = IXDP425_SDA_PIN,
  50         .scl_pin        = IXDP425_SCL_PIN,
  51 };
  52
  53 static struct platform_device ixdp425_i2c_controller = {
  54         .name           = "IXP4XX-I2C",
  55         .id             = 0,
  56         .dev            = {
  57                 .platform_data = &ixdp425_i2c_gpio_pins,
  58         },
  59         .num_resources  = 0
  60 };
  61
  62 static struct resource ixdp425_uart_resources[] = {
  63         {
  64                 .start          = IXP4XX_UART1_BASE_PHYS,
  65                 .end            = IXP4XX_UART1_BASE_PHYS + 0x0fff,
  66                 .flags          = IORESOURCE_MEM
  67         },
  68         {
  69                 .start          = IXP4XX_UART2_BASE_PHYS,
  70                 .end            = IXP4XX_UART2_BASE_PHYS + 0x0fff,
  71                 .flags          = IORESOURCE_MEM
  72         }
  73 };
  74
  75 static struct plat_serial8250_port ixdp425_uart_data[] = {
  76         {
  77                 .mapbase        = IXP4XX_UART1_BASE_PHYS,
  78                 .membase        = (char *)IXP4XX_UART1_BASE_VIRT + REG_OFFSET,
  79                 .irq            = IRQ_IXP4XX_UART1,
  80                 .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
  81                 .iotype         = UPIO_MEM,
  82                 .regshift       = 2,
  83                 .uartclk        = IXP4XX_UART_XTAL,
  84         },
  85         {
  86                 .mapbase        = IXP4XX_UART2_BASE_PHYS,
  87                 .membase        = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
  88                 .irq            = IRQ_IXP4XX_UART1,
  89                 .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
  90                 .iotype         = UPIO_MEM,
  91                 .regshift       = 2,
  92                 .uartclk        = IXP4XX_UART_XTAL,
  93         },
  94         { },
  95 };
  96
  97 static struct platform_device ixdp425_uart = {
  98         .name                   = "serial8250",
  99         .id                     = PLAT8250_DEV_PLATFORM,
 100         .dev.platform_data      = ixdp425_uart_data,
 101         .num_resources          = 2,
 102         .resource               = ixdp425_uart_resources
 103 };
 104
 105 static struct platform_device *ixdp425_devices[] __initdata = {
 106         &ixdp425_i2c_controller,
 107         &ixdp425_flash,
 108         &ixdp425_uart
 109 };
 110
 111
 112 static void __init ixdp425_init(void)
 113 {
 114         ixp4xx_sys_init();
 115
 116         /*
 117          * IXP465 has 32MB window
 118          */
 119         if (machine_is_ixdp465()) {
 120                 ixdp425_flash_resource.end += IXDP425_FLASH_SIZE;
 121         }
 122
 123         platform_add_devices(ixdp425_devices, ARRAY_SIZE(ixdp425_devices));
 124 }
 125
 126 MACHINE_START(IXDP425, "Intel IXDP425 Development Platform")
 127         /* Maintainer: MontaVista Software, Inc. */
 128         .phys_ram       = PHYS_OFFSET,
 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
 138 MACHINE_START(IXDP465, "Intel IXDP465 Development Platform")
 139         /* Maintainer: MontaVista Software, Inc. */
 140         .phys_ram       = PHYS_OFFSET,
 141         .phys_io        = IXP4XX_PERIPHERAL_BASE_PHYS,
 142         .io_pg_offst    = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xfffc,
 143         .map_io         = ixp4xx_map_io,
 144         .init_irq       = ixp4xx_init_irq,
 145         .timer          = &ixp4xx_timer,
 146         .boot_params    = 0x0100,
 147         .init_machine   = ixdp425_init,
 148 MACHINE_END
 149
 150 MACHINE_START(IXCDP1100, "Intel IXCDP1100 Development Platform")
 151         /* Maintainer: MontaVista Software, Inc. */
 152         .phys_ram       = PHYS_OFFSET,
 153         .phys_io        = IXP4XX_PERIPHERAL_BASE_PHYS,
 154         .io_pg_offst    = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xfffc,
 155         .map_io         = ixp4xx_map_io,
 156         .init_irq       = ixp4xx_init_irq,
 157         .timer          = &ixp4xx_timer,
 158         .boot_params    = 0x0100,
 159         .init_machine   = ixdp425_init,
 160 MACHINE_END
 161
 162 /*
 163  * Avila is functionally equivalent to IXDP425 except that it adds
 164  * a CF IDE slot hanging off the expansion bus. When we have a
 165  * driver for IXP4xx CF IDE with driver model support we'll move
 166  * Avila to it's own setup file.
 167  */
 168 #ifdef CONFIG_ARCH_AVILA
 169 MACHINE_START(AVILA, "Gateworks Avila Network Platform")
 170         /* Maintainer: Deepak Saxena <dsaxena@plexity.net> */
 171         .phys_ram       = PHYS_OFFSET,
 172         .phys_io        = IXP4XX_PERIPHERAL_BASE_PHYS,
 173         .io_pg_offst    = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xfffc,
 174         .map_io         = ixp4xx_map_io,
 175         .init_irq       = ixp4xx_init_irq,
 176         .timer          = &ixp4xx_timer,
 177         .boot_params    = 0x0100,
 178         .init_machine   = ixdp425_init,
 179 MACHINE_END
 180 #endif
 181