text: /*	$OpenBSD: exynos_machdep.c,v 1.9 2016/06/08 15:27:05 jsg Exp $	*/
  /*
   * Copyright (c) 2013 Patrick Wildt <patrick@blueri.se>
   *
   * Permission to use, copy, modify, and distribute this software for any
   * purpose with or without fee is hereby granted, provided that the above
   * copyright notice and this permission notice appear in all copies.
   *
   * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
   * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
   * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
   * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
   * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
   * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
   */
  
  #include <sys/param.h>
  #include <sys/types.h>
  #include <sys/systm.h>
  #include <sys/termios.h>
  
  #include <machine/bus.h>
  
  #include <arm/cortex/smc.h>
  #include <arm/armv7/armv7var.h>
  #include <arm/mainbus/mainbus.h>
  #include <armv7/armv7/armv7var.h>
  #include <armv7/exynos/exdisplayvar.h>
  #include <armv7/exynos/exuartvar.h>
  #include <armv7/armv7/armv7_machdep.h>
  
  extern void exdog_reset(void);
  extern struct board_dev *exynos_board_devs(void);
  extern void exynos_board_init(void);
  
  static void
  exynos_platform_smc_write(bus_space_tag_t iot, bus_space_handle_t ioh, bus_size_t off,
      uint32_t op, uint32_t val)
  {
  	bus_space_write_4(iot, ioh, off, val);
  }
  
  void
  exynos_platform_init_mainbus(struct device *self)
  {
  	mainbus_legacy_found(self, "cortex");
  	mainbus_legacy_found(self, "exynos");
  }
  
  static void
  exynos_platform_watchdog_reset(void)
  {
  	exdog_reset();
  }
  
  static void
  exynos_platform_powerdown(void)
  {
  
  }
  
  static void
  exynos_platform_disable_l2_if_needed(void)
  {
  
  }
  
  void
  exynos_platform_board_init(void)
  {
  	exynos_board_init();
  }
  
  struct armv7_platform exynos_platform = {
  	.board_init = exynos_platform_board_init,
  	.smc_write = exynos_platform_smc_write,
  	.watchdog_reset = exynos_platform_watchdog_reset,
  	.powerdown = exynos_platform_powerdown,
  	.disable_l2_if_needed = exynos_platform_disable_l2_if_needed,
  	.init_mainbus = exynos_platform_init_mainbus,
  };
  
  struct armv7_platform *
  exynos_platform_match(void)
  {
  	struct board_dev *devs;
  
  	devs = exynos_board_devs();
  	if (devs == NULL)
  		return (NULL);
  
  	exynos_platform.devs = devs;
  	return (&exynos_platform);
  }
  