text: // SPDX-License-Identifier: GPL-2.0+
  /*
   * Olimex MX23 Olinuxino board
   *
   * Copyright (C) 2013 Marek Vasut <marex@denx.de>
   */
  
  #include <common.h>
  #include <init.h>
  #include <asm/global_data.h>
  #include <asm/gpio.h>
  #include <asm/io.h>
  #include <asm/arch/iomux-mx23.h>
  #include <asm/arch/imx-regs.h>
  #include <asm/arch/clock.h>
  #include <asm/arch/sys_proto.h>
  #ifdef CONFIG_LED_STATUS
  #include <status_led.h>
  #endif
  #include <linux/delay.h>
  
  DECLARE_GLOBAL_DATA_PTR;
  
  /*
   * Functions
   */
  int board_early_init_f(void)
  {
  	/* IO0 clock at 480MHz */
  	mxs_set_ioclk(MXC_IOCLK0, 480000);
  
  	/* SSP0 clock at 96MHz */
  	mxs_set_sspclk(MXC_SSPCLK0, 96000, 0);
  
  	return 0;
  }
  
  #ifdef CONFIG_CMD_USB
  int board_ehci_hcd_init(int port)
  {
  	/* Enable LAN9512 (Maxi) or GL850G (Mini) USB HUB power. */
  	gpio_direction_output(MX23_PAD_GPMI_ALE__GPIO_0_17, 1);
  	udelay(100);
  	return 0;
  }
  
  int board_ehci_hcd_exit(int port)
  {
  	/* Enable LAN9512 (Maxi) or GL850G (Mini) USB HUB power. */
  	gpio_direction_output(MX23_PAD_GPMI_ALE__GPIO_0_17, 0);
  	return 0;
  }
  #endif
  
  int dram_init(void)
  {
  	return mxs_dram_init();
  }
  
  #ifdef	CONFIG_CMD_MMC
  static int mx23_olx_mmc_cd(int id)
  {
  	return 1;	/* Card always present */
  }
  
  int board_mmc_init(struct bd_info *bis)
  {
  	return mxsmmc_initialize(bis, 0, NULL, mx23_olx_mmc_cd);
  }
  #endif
  
  int board_init(void)
  {
  	/* Adress of boot parameters */
  	gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
  
  #if defined(CONFIG_LED_STATUS) && defined(CONFIG_LED_STATUS_BOOT_ENABLE)
  	status_led_set(CONFIG_LED_STATUS_BOOT, CONFIG_LED_STATUS_STATE);
  #endif
  
  	return 0;
  }
  