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kernel/linux-imx6_3.14.28/arch/arm/mach-omap2/emu.c 1.27 KB
6b13f685e   김민수   BSP 최초 추가
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  /*
   * emu.c
   *
   * ETM and ETB CoreSight components' resources as found in OMAP3xxx.
   *
   * Copyright (C) 2009 Nokia Corporation.
   * Alexander Shishkin
   *
   * 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/init.h>
  #include <linux/types.h>
  #include <linux/module.h>
  #include <linux/device.h>
  #include <linux/amba/bus.h>
  #include <linux/io.h>
  #include <linux/clk.h>
  #include <linux/err.h>
  
  #include "soc.h"
  #include "iomap.h"
  
  MODULE_LICENSE("GPL");
  MODULE_AUTHOR("Alexander Shishkin");
  
  /* Cortex CoreSight components within omap3xxx EMU */
  #define ETM_BASE	(L4_EMU_34XX_PHYS + 0x10000)
  #define DBG_BASE	(L4_EMU_34XX_PHYS + 0x11000)
  #define ETB_BASE	(L4_EMU_34XX_PHYS + 0x1b000)
  #define DAPCTL		(L4_EMU_34XX_PHYS + 0x1d000)
  
  static AMBA_APB_DEVICE(omap3_etb, "etb", 0x000bb907, ETB_BASE, { }, NULL);
  static AMBA_APB_DEVICE(omap3_etm, "etm", 0x102bb921, ETM_BASE, { }, NULL);
  
  static int __init emu_init(void)
  {
  	if (!cpu_is_omap34xx())
  		return -ENODEV;
  
  	amba_device_register(&omap3_etb_device, &iomem_resource);
  	amba_device_register(&omap3_etm_device, &iomem_resource);
  
  	return 0;
  }
  
  omap_subsys_initcall(emu_init);