platform_def.h

/*
 * Copyright (c) 2014, ARM Limited and Contributors. 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 ARM 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 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.
 */

#ifndef __PLATFORM_DEF_H__
#define __PLATFORM_DEF_H__

#include <arch.h>
#include "../fvp_def.h"


/*******************************************************************************
 * Platform binary types for linking
 ******************************************************************************/
#define PLATFORM_LINKER_FORMAT          "elf64-littleaarch64"
#define PLATFORM_LINKER_ARCH            aarch64

/*******************************************************************************
 * Generic platform constants
 ******************************************************************************/

/* Size of cacheable stacks */
#if DEBUG_XLAT_TABLE
#define PLATFORM_STACK_SIZE 0x800
#elif IMAGE_BL1
#define PLATFORM_STACK_SIZE 0x440
#elif IMAGE_BL2
#define PLATFORM_STACK_SIZE 0x400
#elif IMAGE_BL31
#define PLATFORM_STACK_SIZE 0x400
#elif IMAGE_BL32
#define PLATFORM_STACK_SIZE 0x440
#endif

#define FIRMWARE_WELCOME_STR		"Booting Trusted Firmware\n"

/* Trusted Boot Firmware BL2 */
#define BL2_IMAGE_NAME			"bl2.bin"

/* EL3 Runtime Firmware BL31 */
#define BL31_IMAGE_NAME			"bl31.bin"

/* Secure Payload BL32 (Trusted OS) */
#define BL32_IMAGE_NAME			"bl32.bin"

/* Non-Trusted Firmware BL33 */
#define BL33_IMAGE_NAME			"bl33.bin" /* e.g. UEFI */

#define PLATFORM_CACHE_LINE_SIZE	64
#define PLATFORM_CLUSTER_COUNT		2ull
#define PLATFORM_CLUSTER0_CORE_COUNT	4
#define PLATFORM_CLUSTER1_CORE_COUNT	4
#define PLATFORM_CORE_COUNT		(PLATFORM_CLUSTER1_CORE_COUNT + \
						PLATFORM_CLUSTER0_CORE_COUNT)
#define PLATFORM_MAX_CPUS_PER_CLUSTER	4
#define PLATFORM_NUM_AFFS		(PLATFORM_CLUSTER_COUNT + \
					 PLATFORM_CORE_COUNT)
#define MAX_IO_DEVICES			3
#define MAX_IO_HANDLES			4

/*******************************************************************************
 * BL1 specific defines.
 * BL1 RW data is relocated from ROM to RAM at runtime so we need 2 sets of
 * addresses.
 ******************************************************************************/
#define BL1_RO_BASE			FVP_TRUSTED_ROM_BASE
#define BL1_RO_LIMIT			(FVP_TRUSTED_ROM_BASE \
					+ FVP_TRUSTED_ROM_SIZE)
/*
 * Put BL1 RW at the top of the Trusted SRAM (just below the shared memory, if
 * present). BL1_RW_BASE is calculated using the current BL1 RW debug size plus
 * a little space for growth.
 */
#define BL1_RW_BASE			(FVP_TRUSTED_SRAM_LIMIT - 0x6000)
#define BL1_RW_LIMIT			FVP_TRUSTED_SRAM_LIMIT

/*******************************************************************************
 * BL2 specific defines.
 ******************************************************************************/
/*
 * Put BL2 just below BL3-1. BL2_BASE is calculated using the current BL2 debug
 * size plus a little space for growth.
 */
#define BL2_BASE			(BL31_BASE - 0xC000)
#define BL2_LIMIT			BL31_BASE

/*******************************************************************************
 * BL31 specific defines.
 ******************************************************************************/
/*
 * Put BL3-1 at the top of the Trusted SRAM (just below the shared memory, if
 * present). BL31_BASE is calculated using the current BL3-1 debug size plus a
 * little space for growth.
 */
#define BL31_BASE			(FVP_TRUSTED_SRAM_LIMIT - 0x1D000)
#define BL31_PROGBITS_LIMIT		BL1_RW_BASE
#define BL31_LIMIT			FVP_TRUSTED_SRAM_LIMIT

/*******************************************************************************
 * BL32 specific defines.
 ******************************************************************************/
/*
 * On FVP, the TSP can execute either from Trusted SRAM or Trusted DRAM.
 */
#if FVP_TSP_RAM_LOCATION_ID == FVP_IN_TRUSTED_SRAM
# define TSP_SEC_MEM_BASE		FVP_TRUSTED_SRAM_BASE
# define TSP_SEC_MEM_SIZE		FVP_TRUSTED_SRAM_SIZE
# define TSP_PROGBITS_LIMIT		BL2_BASE
# define BL32_BASE			FVP_TRUSTED_SRAM_BASE
# define BL32_LIMIT			BL31_BASE
#elif FVP_TSP_RAM_LOCATION_ID == FVP_IN_TRUSTED_DRAM
# define TSP_SEC_MEM_BASE		FVP_TRUSTED_DRAM_BASE
# define TSP_SEC_MEM_SIZE		FVP_TRUSTED_DRAM_SIZE
# define BL32_BASE			(FVP_TRUSTED_DRAM_BASE \
					+ FVP_SHARED_RAM_SIZE)
# define BL32_LIMIT			(FVP_TRUSTED_DRAM_BASE + (1 << 21))
#else
# error "Unsupported FVP_TSP_RAM_LOCATION_ID value"
#endif

/*
 * ID of the secure physical generic timer interrupt used by the TSP.
 */
#define TSP_IRQ_SEC_PHY_TIMER		IRQ_SEC_PHY_TIMER

/*******************************************************************************
 * Platform specific page table and MMU setup constants
 ******************************************************************************/
#define ADDR_SPACE_SIZE			(1ull << 32)
#define MAX_XLAT_TABLES			2
#define MAX_MMAP_REGIONS		16

/*******************************************************************************
 * Declarations and constants to access the mailboxes safely. Each mailbox is
 * aligned on the biggest cache line size in the platform. This is known only
 * to the platform as it might have a combination of integrated and external
 * caches. Such alignment ensures that two maiboxes do not sit on the same cache
 * line at any cache level. They could belong to different cpus/clusters &
 * get written while being protected by different locks causing corruption of
 * a valid mailbox address.
 ******************************************************************************/
#define CACHE_WRITEBACK_SHIFT   6
#define CACHE_WRITEBACK_GRANULE (1 << CACHE_WRITEBACK_SHIFT)


#endif /* __PLATFORM_DEF_H__ */