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   1 /*
   2  * arch/arm/mach-ixp4xx/coyote-setup.c
   3  *
   4  * Board setup for ADI Engineering and IXDGP425 boards
   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/irq.h>
  23 #include <asm/mach-types.h>
  24 #include <asm/mach/arch.h>
  25 #include <asm/mach/flash.h>
  26
  27 static struct flash_platform_data coyote_flash_data = {
  28         .map_name       = "cfi_probe",
  29         .width          = 2,
  30 };
  31
  32 static struct resource coyote_flash_resource = {
  33         .start          = COYOTE_FLASH_BASE,
  34         .end            = COYOTE_FLASH_BASE + COYOTE_FLASH_SIZE - 1,
  35         .flags          = IORESOURCE_MEM,
  36 };
  37
  38 static struct platform_device coyote_flash = {
  39         .name           = "IXP4XX-Flash",
  40         .id             = 0,
  41         .dev            = {
  42                 .platform_data = &coyote_flash_data,
  43         },
  44         .num_resources  = 1,
  45         .resource       = &coyote_flash_resource,
  46 };
  47
  48 static struct resource coyote_uart_resource = {
  49         .start  = IXP4XX_UART2_BASE_PHYS,
  50         .end    = IXP4XX_UART2_BASE_PHYS + 0x0fff,
  51         .flags  = IORESOURCE_MEM,
  52 };
  53
  54 static struct plat_serial8250_port coyote_uart_data[] = {
  55         {
  56                 .mapbase        = IXP4XX_UART2_BASE_PHYS,
  57                 .membase        = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
  58                 .irq            = IRQ_IXP4XX_UART2,
  59                 .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
  60                 .iotype         = UPIO_MEM,
  61                 .regshift       = 2,
  62                 .uartclk        = IXP4XX_UART_XTAL,
  63         },
  64         { },
  65 };
  66
  67 static struct platform_device coyote_uart = {
  68         .name           = "serial8250",
  69         .id             = PLAT8250_DEV_PLATFORM,
  70         .dev                    = {
  71                 .platform_data  = coyote_uart_data,
  72         },
  73         .num_resources  = 1,
  74         .resource       = &coyote_uart_resource,
  75 };
  76
  77 static struct platform_device *coyote_devices[] __initdata = {
  78         &coyote_flash,
  79         &coyote_uart
  80 };
  81
  82 static void __init coyote_init(void)
  83 {
  84         *IXP4XX_EXP_CS0 |= IXP4XX_FLASH_WRITABLE;
  85         *IXP4XX_EXP_CS1 = *IXP4XX_EXP_CS0;
  86
  87         if (machine_is_ixdpg425()) {
  88                 coyote_uart_data[0].membase =
  89                         (char*)(IXP4XX_UART1_BASE_VIRT + REG_OFFSET);
  90                 coyote_uart_data[0].mapbase = IXP4XX_UART1_BASE_PHYS;
  91                 coyote_uart_data[0].irq = IRQ_IXP4XX_UART1;
  92         }
  93
  94
  95         ixp4xx_sys_init();
  96         platform_add_devices(coyote_devices, ARRAY_SIZE(coyote_devices));
  97 }
  98
  99 #ifdef CONFIG_ARCH_ADI_COYOTE
 100 MACHINE_START(ADI_COYOTE, "ADI Engineering Coyote")
 101         /* Maintainer: MontaVista Software, Inc. */
 102         .phys_ram       = PHYS_OFFSET,
 103         .phys_io        = IXP4XX_PERIPHERAL_BASE_PHYS,
 104         .io_pg_offst    = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xfffc,
 105         .map_io         = ixp4xx_map_io,
 106         .init_irq       = ixp4xx_init_irq,
 107         .timer          = &ixp4xx_timer,
 108         .boot_params    = 0x0100,
 109         .init_machine   = coyote_init,
 110 MACHINE_END
 111 #endif
 112
 113 /*
 114  * IXDPG425 is identical to Coyote except for which serial port
 115  * is connected.
 116  */
 117 #ifdef CONFIG_MACH_IXDPG425
 118 MACHINE_START(IXDPG425, "Intel IXDPG425")
 119         /* Maintainer: MontaVista Software, Inc. */
 120         .phys_ram       = PHYS_OFFSET,
 121         .phys_io        = IXP4XX_PERIPHERAL_BASE_PHYS,
 122         .io_pg_offst    = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xfffc,
 123         .map_io         = ixp4xx_map_io,
 124         .init_irq       = ixp4xx_init_irq,
 125         .timer          = &ixp4xx_timer,
 126         .boot_params    = 0x0100,
 127         .init_machine   = coyote_init,
 128 MACHINE_END
 129 #endif
 130