text: /* Copyright (c) 2014-2015, The Linux Foundation. All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions are
   * met:
   *     * Redistributions of source code must retain the above copyright
   *       notice, this list of conditions and the following disclaimer.
   *     * 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.
   *     * Neither the name of The Linux Foundation nor the names of its
   *       contributors may be used to endorse or promote products derived
   *       from this software without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
   * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
   * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
   * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER 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 <debug.h>
  #include <reg.h>
  #include <platform/iomap.h>
  #include <qgic.h>
  #include <qtimer.h>
  #include <platform/clock.h>
  #include <mmu.h>
  #include <arch/arm/mmu.h>
  #include <smem.h>
  #include <board.h>
  
  #define MSM_IOMAP_SIZE     ((MSM_IOMAP_END - MSM_IOMAP_BASE)/MB)
  #define MSM_SHARED_SIZE    2
  
  /* LK memory - cacheable, write through */
  #define LK_MEMORY         (MMU_MEMORY_TYPE_NORMAL_WRITE_THROUGH | \
                             MMU_MEMORY_AP_READ_WRITE)
  
  /* Peripherals - non-shared device */
  #define IOMAP_MEMORY      (MMU_MEMORY_TYPE_DEVICE_SHARED | \
                             MMU_MEMORY_AP_READ_WRITE | MMU_MEMORY_XN)
  
  /* SCRATCH memory - cacheable, write through */
  #define SCRATCH_MEMORY       (MMU_MEMORY_TYPE_NORMAL_WRITE_THROUGH | \
                             MMU_MEMORY_AP_READ_WRITE | MMU_MEMORY_XN)
  
  static mmu_section_t mmu_section_table[] = {
  /*       Physical addr,    Virtual addr,     Size (in MB),       Flags */
  	{    MEMBASE,           MEMBASE,          (MEMSIZE / MB),    LK_MEMORY},
  	{    MSM_IOMAP_BASE,    MSM_IOMAP_BASE,    MSM_IOMAP_SIZE,   IOMAP_MEMORY},
  	{    KERNEL_ADDR,       KERNEL_ADDR,       KERNEL_SIZE,      SCRATCH_MEMORY},
  	{    SCRATCH_ADDR,      SCRATCH_ADDR,      SCRATCH_SIZE,     SCRATCH_MEMORY},
  	{    MSM_SHARED_BASE,   MSM_SHARED_BASE,   MSM_SHARED_SIZE,  SCRATCH_MEMORY},
  	{    RPMB_SND_RCV_BUF,  RPMB_SND_RCV_BUF,  RPMB_SND_RCV_BUF_SZ,    IOMAP_MEMORY},
  };
  
  void platform_early_init(void)
  {
  	board_init();
  	platform_clock_init();
  	qgic_init();
  	qtimer_init();
  	scm_init();
  }
  
  void platform_init(void)
  {
  	dprintf(INFO, "platform_init()\n");
  }
  
  void platform_uninit(void)
  {
  #if DISPLAY_SPLASH_SCREEN
  	display_shutdown();
  #endif
  
  	qtimer_uninit();
  }
  
  int platform_use_identity_mmu_mappings(void)
  {
  	/* Use only the mappings specified in this file. */
  	return 0;
  }
  
  /* Setup memory for this platform */
  void platform_init_mmu_mappings(void)
  {
  	uint32_t i;
  	uint32_t sections;
  	uint32_t table_size = ARRAY_SIZE(mmu_section_table);
  
  	/* Configure the MMU page entries for memory read from the
  	   mmu_section_table */
  	for (i = 0; i < table_size; i++)
  	{
  		sections = mmu_section_table[i].num_of_sections;
  
  		while (sections--)
  		{
  			arm_mmu_map_section(mmu_section_table[i].paddress +
  								sections * MB,
  								mmu_section_table[i].vaddress +
  								sections * MB,
  								mmu_section_table[i].flags);
  		}
  	}
  }
  
  addr_t platform_get_virt_to_phys_mapping(addr_t virt_addr)
  {
  	/* Using 1-1 mapping on this platform. */
  	return virt_addr;
  }
  
  addr_t platform_get_phys_to_virt_mapping(addr_t phys_addr)
  {
  	/* Using 1-1 mapping on this platform. */
  	return phys_addr;
  }
  
  uint32_t platform_get_sclk_count(void)
  {
  	return readl(MPM2_MPM_SLEEP_TIMETICK_COUNT_VAL);
  }
  
  addr_t get_bs_info_addr()
  {
  	return BS_INFO_ADDR;
  }
  
  uint32_t platform_get_qmp_rev()
  {
  	return readl(USB3_PHY_REVISION_ID3) << 24 | readl(USB3_PHY_REVISION_ID2) << 16 |
  		   readl(USB3_PHY_REVISION_ID1) << 8 | readl(USB3_PHY_REVISION_ID0);
  }
  
  uint32_t platform_get_max_periph()
  {
  	return 256;
  }
  