arch/arm/mach-omap/board-h2.c

   1 /*
   2  * linux/arch/arm/mach-omap/board-h2.c
   3  *
   4  * Board specific inits for OMAP-1610 H2
   5  *
   6  * Copyright (C) 2001 RidgeRun, Inc.
   7  * Author: Greg Lonnon <glonnon@ridgerun.com>
   8  *
   9  * Copyright (C) 2002 MontaVista Software, Inc.
  10  *
  11  * Separated FPGA interrupts from innovator1510.c and cleaned up for 2.6
  12  * Copyright (C) 2004 Nokia Corporation by Tony Lindrgen <tony@atomide.com>
  13  *
  14  * H2 specific changes and cleanup
  15  * Copyright (C) 2004 Nokia Corporation by Imre Deak <imre.deak@nokia.com>
  16  *
  17  * This program is free software; you can redistribute it and/or modify
  18  * it under the terms of the GNU General Public License version 2 as
  19  * published by the Free Software Foundation.
  20  */
  21
  22 #include <linux/kernel.h>
  23 #include <linux/init.h>
  24 #include <linux/device.h>
  25 #include <linux/delay.h>
  26
  27 #include <asm/hardware.h>
  28 #include <asm/mach-types.h>
  29 #include <asm/mach/arch.h>
  30 #include <asm/mach/map.h>
  31
  32 #include <asm/arch/clocks.h>
  33 #include <asm/arch/gpio.h>
  34 #include <asm/arch/usb.h>
  35
  36 #include "common.h"
  37
  38 extern int omap_gpio_init(void);
  39
  40 static int __initdata h2_serial_ports[OMAP_MAX_NR_PORTS] = {1, 1, 1};
  41
  42 static struct resource h2_smc91x_resources[] = {
  43         [0] = {
  44                 .start  = OMAP1610_ETHR_START,          /* Physical */
  45                 .end    = OMAP1610_ETHR_START + SZ_4K,
  46                 .flags  = IORESOURCE_MEM,
  47         },
  48         [1] = {
  49                 .start  = OMAP_GPIO_IRQ(0),
  50                 .end    = OMAP_GPIO_IRQ(0),
  51                 .flags  = IORESOURCE_IRQ,
  52         },
  53 };
  54
  55 static struct platform_device h2_smc91x_device = {
  56         .name           = "smc91x",
  57         .id             = 0,
  58         .num_resources  = ARRAY_SIZE(h2_smc91x_resources),
  59         .resource       = h2_smc91x_resources,
  60 };
  61
  62 static struct platform_device *h2_devices[] __initdata = {
  63         &h2_smc91x_device,
  64 };
  65
  66 static void __init h2_init_smc91x(void)
  67 {
  68         if ((omap_request_gpio(0)) < 0) {
  69                 printk("Error requesting gpio 0 for smc91x irq\n");
  70                 return;
  71         }
  72         omap_set_gpio_edge_ctrl(0, OMAP_GPIO_FALLING_EDGE);
  73 }
  74
  75 void h2_init_irq(void)
  76 {
  77         omap_init_irq();
  78         omap_gpio_init();
  79         h2_init_smc91x();
  80 }
  81
  82 static struct omap_usb_config h2_usb_config __initdata = {
  83         /* usb1 has a Mini-AB port and external isp1301 transceiver */
  84         .otg            = 2,
  85
  86 #ifdef  CONFIG_USB_GADGET_OMAP
  87         .hmc_mode       = 19,   // 0:host(off) 1:dev|otg 2:disabled
  88         // .hmc_mode    = 21,   // 0:host(off) 1:dev(loopback) 2:host(loopback)
  89 #elif   defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
  90         /* needs OTG cable, or NONSTANDARD (B-to-MiniB) */
  91         .hmc_mode       = 20,   // 1:dev|otg(off) 1:host 2:disabled
  92 #endif
  93
  94         .pins[1]        = 3,
  95 };
  96
  97 static struct omap_mmc_config h2_mmc_config __initdata = {
  98         .mmc_blocks             = 1,
  99         .mmc1_power_pin         = -1,   /* tps65010 gpio3 */
 100         .mmc1_switch_pin        = OMAP_MPUIO(1),
 101 };
 102
 103 static struct omap_board_config_kernel h2_config[] = {
 104         { OMAP_TAG_USB,           &h2_usb_config },
 105         { OMAP_TAG_MMC,           &h2_mmc_config },
 106 };
 107
 108 static void __init h2_init(void)
 109 {
 110         platform_add_devices(h2_devices, ARRAY_SIZE(h2_devices));
 111         omap_board_config = h2_config;
 112         omap_board_config_size = ARRAY_SIZE(h2_config);
 113 }
 114
 115 static void __init h2_map_io(void)
 116 {
 117         omap_map_io();
 118         omap_serial_init(h2_serial_ports);
 119 }
 120
 121 MACHINE_START(OMAP_H2, "TI-H2")
 122         MAINTAINER("Imre Deak <imre.deak@nokia.com>")
 123         BOOT_MEM(0x10000000, 0xfff00000, 0xfef00000)
 124         BOOT_PARAMS(0x10000100)
 125         MAPIO(h2_map_io)
 126         INITIRQ(h2_init_irq)
 127         INIT_MACHINE(h2_init)
 128         .timer          = &omap_timer,
 129 MACHINE_END