LXR uboot/board/htkw/mcx/mcx.c

   1/*
   2 * Copyright (C) 2011 Ilya Yanok, Emcraft Systems
   3 *
   4 * Based on ti/evm/evm.c
   5 *
   6 * This program is free software; you can redistribute it and/or modify
   7 * it under the terms of the GNU General Public License as published by
   8 * the Free Software Foundation; either version 2 of the License, or
   9 * (at your option) any later version.
  10 *
  11 * This program is distributed in the hope that it will be useful,
  12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 * GNU General Public License for more details.
  15 *
  16 * You should have received a copy of the GNU General Public License
  17 * along with this program; if not, write to the Free Software
  18 * Foundation, Inc.
  19 */
  20
  21#include <common.h>
  22#include <asm/io.h>
  23#include <asm/arch/mem.h>
  24#include <asm/arch/mmc_host_def.h>
  25#include <asm/arch/mux.h>
  26#include <asm/arch/sys_proto.h>
  27#include <asm/mach-types.h>
  28#include <asm/gpio.h>
  29#include <asm/omap_gpio.h>
  30#include "errno.h"
  31#include <i2c.h>
  32#ifdef CONFIG_USB_EHCI
  33#include <usb.h>
  34#include <asm/ehci-omap.h>
  35#endif
  36#include "mcx.h"
  37
  38DECLARE_GLOBAL_DATA_PTR;
  39
  40#ifdef CONFIG_USB_EHCI
  41static struct omap_usbhs_board_data usbhs_bdata = {
  42        .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
  43        .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
  44        .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
  45};
  46
  47int ehci_hcd_init(void)
  48{
  49        return omap_ehci_hcd_init(&usbhs_bdata);
  50}
  51
  52int ehci_hcd_stop(void)
  53{
  54        return omap_ehci_hcd_stop();
  55}
  56#endif
  57
  58/*
  59 * Routine: board_init
  60 * Description: Early hardware init.
  61 */
  62int board_init(void)
  63{
  64        gpmc_init(); /* in SRAM or SDRAM, finish GPMC */
  65        /* boot param addr */
  66        gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100);
  67
  68        return 0;
  69}
  70
  71/*
  72 * Routine: set_muxconf_regs
  73 * Description: Setting up the configuration Mux registers specific to the
  74 *              hardware. Many pins need to be moved from protect to primary
  75 *              mode.
  76 */
  77void set_muxconf_regs(void)
  78{
  79        MUX_MCX();
  80}
  81
  82#if defined(CONFIG_OMAP_HSMMC) && !defined(CONFIG_SPL_BUILD)
  83int board_mmc_init(bd_t *bis)
  84{
  85        return omap_mmc_init(0, 0, 0);
  86}
  87#endif
  88
  89#ifdef CONFIG_USB_EHCI_OMAP
  90#define USB_HOST_PWR_EN         132
  91int board_usb_init(void)
  92{
  93        if (gpio_request(USB_HOST_PWR_EN, "USB_HOST_PWR_EN") < 0) {
  94                puts("Failed to get USB_HOST_PWR_EN pin\n");
  95                return -ENODEV;
  96        }
  97        gpio_direction_output(USB_HOST_PWR_EN, 1);
  98
  99        return 0;
 100}
 101#endif
 102