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kernel/linux-imx6_3.14.28/arch/arm/mach-s5pv210/setup-ide.c 1022 Bytes
6b13f685e   김민수   BSP 최초 추가
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  /* linux/arch/arm/mach-s5pv210/setup-ide.c
   *
   * Copyright (c) 2010 Samsung Electronics Co., Ltd.
   *		http://www.samsung.com
   *
   * S5PV210 setup information for IDE
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License version 2 as
   * published by the Free Software Foundation.
  */
  
  #include <linux/kernel.h>
  #include <linux/gpio.h>
  
  #include <plat/gpio-cfg.h>
  
  static void s5pv210_ide_cfg_gpios(unsigned int base, unsigned int nr)
  {
  	s3c_gpio_cfgrange_nopull(base, nr, S3C_GPIO_SFN(4));
  
  	for (; nr > 0; nr--, base++)
  		s5p_gpio_set_drvstr(base, S5P_GPIO_DRVSTR_LV4);
  }
  
  void s5pv210_ide_setup_gpio(void)
  {
  	/* CF_Add[0 - 2], CF_IORDY, CF_INTRQ, CF_DMARQ, CF_DMARST, CF_DMACK */
  	s5pv210_ide_cfg_gpios(S5PV210_GPJ0(0), 8);
  
  	/* CF_Data[0 - 7] */
  	s5pv210_ide_cfg_gpios(S5PV210_GPJ2(0), 8);
  
  	/* CF_Data[8 - 15] */
  	s5pv210_ide_cfg_gpios(S5PV210_GPJ3(0), 8);
  
  	/* CF_CS0, CF_CS1, CF_IORD, CF_IOWR */
  	s5pv210_ide_cfg_gpios(S5PV210_GPJ4(0), 4);
  }