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kernel/linux-imx6_3.14.28/arch/arm/mach-msm/board-sapphire.c 2.84 KB
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  /* linux/arch/arm/mach-msm/board-sapphire.c
   * Copyright (C) 2007-2009 HTC Corporation.
   * Author: Thomas Tsai <thomas_tsai@htc.com>
   *
   * This software is licensed under the terms of the GNU General Public
   * License version 2, as published by the Free Software Foundation, and
   * may be copied, distributed, and modified under those terms.
   *
   * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU General Public License for more details.
  */
  #include <linux/gpio.h>
  #include <linux/kernel.h>
  #include <linux/init.h>
  #include <linux/platform_device.h>
  #include <linux/input.h>
  #include <linux/interrupt.h>
  #include <linux/irq.h>
  #include <linux/device.h>
  
  #include <linux/delay.h>
  
  #include <mach/hardware.h>
  #include <asm/mach-types.h>
  #include <asm/mach/arch.h>
  #include <asm/mach/map.h>
  #include <asm/mach/flash.h>
  #include <mach/vreg.h>
  
  #include <asm/io.h>
  #include <asm/delay.h>
  #include <asm/setup.h>
  
  #include <linux/mtd/nand.h>
  #include <linux/mtd/partitions.h>
  
  #include "gpio_chip.h"
  #include "board-sapphire.h"
  #include "proc_comm.h"
  #include "devices.h"
  #include "common.h"
  
  void msm_init_irq(void);
  void msm_init_gpio(void);
  
  static struct platform_device *devices[] __initdata = {
  	&msm_device_smd,
  	&msm_device_dmov,
  	&msm_device_nand,
  	&msm_device_uart1,
  	&msm_device_uart3,
  };
  
  void msm_timer_init(void);
  
  static void __init sapphire_init_irq(void)
  {
  	msm_init_irq();
  }
  
  static void __init sapphire_init(void)
  {
  	platform_add_devices(devices, ARRAY_SIZE(devices));
  }
  
  static struct map_desc sapphire_io_desc[] __initdata = {
  	{
  		.virtual = SAPPHIRE_CPLD_BASE,
  		.pfn     = __phys_to_pfn(SAPPHIRE_CPLD_START),
  		.length  = SAPPHIRE_CPLD_SIZE,
  		.type    = MT_DEVICE_NONSHARED
  	}
  };
  
  static void __init sapphire_fixup(struct tag *tags, char **cmdline,
  				  struct meminfo *mi)
  {
  	int smi_sz = parse_tag_smi((const struct tag *)tags);
  
  	mi->nr_banks = 1;
  	mi->bank[0].start = PHYS_OFFSET;
  	mi->bank[0].node = PHYS_TO_NID(PHYS_OFFSET);
  	if (smi_sz == 32) {
  		mi->bank[0].size = (84*1024*1024);
  	} else if (smi_sz == 64) {
  		mi->bank[0].size = (101*1024*1024);
  	} else {
  		/* Give a default value when not get smi size */
  		smi_sz = 64;
  		mi->bank[0].size = (101*1024*1024);
  	}
  }
  
  static void __init sapphire_map_io(void)
  {
  	msm_map_common_io();
  	iotable_init(sapphire_io_desc, ARRAY_SIZE(sapphire_io_desc));
  	msm_clock_init();
  }
  
  static void __init sapphire_init_late(void)
  {
  	smd_debugfs_init();
  }
  
  MACHINE_START(SAPPHIRE, "sapphire")
  /* Maintainer: Brian Swetland <swetland@google.com> */
  	.atag_offset    = 0x100,
  	.fixup          = sapphire_fixup,
  	.map_io         = sapphire_map_io,
  	.init_irq       = sapphire_init_irq,
  	.init_machine   = sapphire_init,
  	.init_late      = sapphire_init_late,
  	.init_time	= msm_timer_init,
  MACHINE_END