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kernel/linux-imx6_3.14.28/arch/arm/mach-spear/spear1310.c 1.65 KB
6b13f685e   김민수   BSP 최초 추가
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  /*
   * arch/arm/mach-spear13xx/spear1310.c
   *
   * SPEAr1310 machine source file
   *
   * Copyright (C) 2012 ST Microelectronics
   * Viresh Kumar <viresh.linux@gmail.com>
   *
   * This file is licensed under the terms of the GNU General Public
   * License version 2. This program is licensed "as is" without any
   * warranty of any kind, whether express or implied.
   */
  
  #define pr_fmt(fmt) "SPEAr1310: " fmt
  
  #include <linux/amba/pl022.h>
  #include <linux/of_platform.h>
  #include <linux/pata_arasan_cf_data.h>
  #include <asm/mach/arch.h>
  #include <asm/mach/map.h>
  #include "generic.h"
  #include <mach/spear.h>
  
  /* Base addresses */
  #define SPEAR1310_RAS_GRP1_BASE			UL(0xD8000000)
  #define VA_SPEAR1310_RAS_GRP1_BASE		UL(0xFA000000)
  
  static void __init spear1310_dt_init(void)
  {
  	of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
  }
  
  static const char * const spear1310_dt_board_compat[] = {
  	"st,spear1310",
  	"st,spear1310-evb",
  	NULL,
  };
  
  /*
   * Following will create 16MB static virtual/physical mappings
   * PHYSICAL		VIRTUAL
   * 0xD8000000		0xFA000000
   */
  struct map_desc spear1310_io_desc[] __initdata = {
  	{
  		.virtual	= VA_SPEAR1310_RAS_GRP1_BASE,
  		.pfn		= __phys_to_pfn(SPEAR1310_RAS_GRP1_BASE),
  		.length		= SZ_16M,
  		.type		= MT_DEVICE
  	},
  };
  
  static void __init spear1310_map_io(void)
  {
  	iotable_init(spear1310_io_desc, ARRAY_SIZE(spear1310_io_desc));
  	spear13xx_map_io();
  }
  
  DT_MACHINE_START(SPEAR1310_DT, "ST SPEAr1310 SoC with Flattened Device Tree")
  	.smp		=	smp_ops(spear13xx_smp_ops),
  	.map_io		=	spear1310_map_io,
  	.init_time	=	spear13xx_timer_init,
  	.init_machine	=	spear1310_dt_init,
  	.restart	=	spear_restart,
  	.dt_compat	=	spear1310_dt_board_compat,
  MACHINE_END