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kernel/linux-imx6_3.14.28/arch/arm/mach-exynos/mach-exynos4-dt.c 1.56 KB
6b13f685e   김민수   BSP 최초 추가
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  /*
   * Samsung's EXYNOS4 flattened device tree enabled machine
   *
   * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
   *		http://www.samsung.com
   * Copyright (c) 2010-2011 Linaro Ltd.
   *		www.linaro.org
   *
   * 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/of_platform.h>
  #include <linux/of_fdt.h>
  
  #include <asm/mach/arch.h>
  #include <plat/mfc.h>
  
  #include "common.h"
  
  static void __init exynos4_dt_machine_init(void)
  {
  	exynos_cpuidle_init();
  	exynos_cpufreq_init();
  
  	of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
  }
  
  static char const *exynos4_dt_compat[] __initdata = {
  	"samsung,exynos4210",
  	"samsung,exynos4212",
  	"samsung,exynos4412",
  	NULL
  };
  
  static void __init exynos4_reserve(void)
  {
  #ifdef CONFIG_S5P_DEV_MFC
  	struct s5p_mfc_dt_meminfo mfc_mem;
  
  	/* Reserve memory for MFC only if it's available */
  	mfc_mem.compatible = "samsung,mfc-v5";
  	if (of_scan_flat_dt(s5p_fdt_find_mfc_mem, &mfc_mem))
  		s5p_mfc_reserve_mem(mfc_mem.roff, mfc_mem.rsize, mfc_mem.loff,
  				mfc_mem.lsize);
  #endif
  }
  DT_MACHINE_START(EXYNOS4210_DT, "Samsung Exynos4 (Flattened Device Tree)")
  	/* Maintainer: Thomas Abraham <thomas.abraham@linaro.org> */
  	.smp		= smp_ops(exynos_smp_ops),
  	.map_io		= exynos_init_io,
  	.init_early	= exynos_firmware_init,
  	.init_machine	= exynos4_dt_machine_init,
  	.init_late	= exynos_init_late,
  	.dt_compat	= exynos4_dt_compat,
  	.restart        = exynos4_restart,
  	.reserve	= exynos4_reserve,
  MACHINE_END