text: // SPDX-License-Identifier: BSD-2-Clause
  /*
   * Copyright (c) 2017, Texas Instruments
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions are met:
   *
   * 1. Redistributions of source code must retain the above copyright notice,
   * this list of conditions and the following disclaimer.
   *
   * 2. Redistributions in binary form must reproduce the above copyright notice,
   * this list of conditions and the following disclaimer in the documentation
   * and/or other materials provided with the distribution.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
   * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   * SUBSTITUTE GOODS OR SERVICES// LOSS OF USE, DATA, OR PROFITS// OR BUSINESS
   * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   * POSSIBILITY OF SUCH DAMAGE.
   */
  
  #include <arm32.h>
  #include <io.h>
  #include <kernel/boot.h>
  #include <kernel/tz_ssvce_def.h>
  #include <kernel/tz_ssvce_pl310.h>
  #include <mm/core_memprot.h>
  #include <platform_config.h>
  
  register_phys_mem_pgdir(MEM_AREA_IO_SEC, PL310_BASE, PL310_SIZE);
  
  vaddr_t pl310_base(void)
  {
  	static void *va;
  
  	if (cpu_mmu_enabled()) {
  		if (!va)
  			va = phys_to_virt(PL310_BASE, MEM_AREA_IO_SEC);
  		return (vaddr_t)va;
  	}
  
  	return PL310_BASE;
  }
  
  /* ROM handles initial setup for us */
  void arm_cl2_config(vaddr_t pl310_base)
  {
  	(void)pl310_base;
  }
  
  /* We provide platform services that expect the cache to be disabled on boot */
  void arm_cl2_enable(vaddr_t pl310_base)
  {
  	(void)pl310_base;
  }
  