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 "../juno_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 TRUSTED_BOARD_BOOT && (IMAGE_BL1 || IMAGE_BL2)
#define PLATFORM_STACK_SIZE 0x1000
#else
#define PLATFORM_STACK_SIZE 0x800
#endif

#define FIRMWARE_WELCOME_STR		"Booting Trusted Firmware\n"

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

/* EL3 Runtime Firmware BL3-1 */
#define BL31_IMAGE_NAME			"bl31.bin"

/* SCP Firmware BL3-0 */
#define BL30_IMAGE_NAME			"bl30.bin"

/* Secure Payload BL3-2 (Trusted OS) */
#define BL32_IMAGE_NAME			"bl32.bin"

/* Non-Trusted Firmware BL3-3 */
#define BL33_IMAGE_NAME			"bl33.bin" /* e.g. UEFI */

/* Firmware Image Package */
#define FIP_IMAGE_NAME			"fip.bin"

#define PLATFORM_CACHE_LINE_SIZE	64
#define PLATFORM_CLUSTER_COUNT		2
#define PLATFORM_CORE_COUNT             6
#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 base
 * addresses.
 ******************************************************************************/
#define BL1_RO_BASE			TZROM_BASE
#define BL1_RO_LIMIT			(TZROM_BASE + TZROM_SIZE)

/*
 * Put BL1 RW at the top of the Trusted SRAM. BL1_RW_BASE is calculated using
 * the current BL1 RW debug size plus a little space for growth.
 */
#if TRUSTED_BOARD_BOOT
#define BL1_RW_BASE			(TZRAM_BASE + TZRAM_SIZE - 0x8000)
#else
#define BL1_RW_BASE			(TZRAM_BASE + TZRAM_SIZE - 0x6000)
#endif
#define BL1_RW_LIMIT			(TZRAM_BASE + TZRAM_SIZE)

/*******************************************************************************
 * 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.
 */
#if TRUSTED_BOARD_BOOT
#define BL2_BASE			(BL31_BASE - 0x1D000)
#else
#define BL2_BASE			(BL31_BASE - 0xC000)
#endif
#define BL2_LIMIT			BL31_BASE

/*******************************************************************************
 * Load address of BL3-0 in the Juno port
 * BL3-0 is loaded to the same place as BL3-1.  Once BL3-0 is transferred to the
 * SCP, it is discarded and BL3-1 is loaded over the top.
 ******************************************************************************/
#define BL30_BASE			BL31_BASE

/*******************************************************************************
 * BL3-1 specific defines.
 ******************************************************************************/
/*
 * Put BL3-1 at the top of the Trusted SRAM. BL31_BASE is calculated using the
 * current BL3-1 debug size plus a little space for growth.
 */
#define BL31_BASE			(TZRAM_BASE + TZRAM_SIZE - 0x1D000)
#define BL31_PROGBITS_LIMIT		BL1_RW_BASE
#define BL31_LIMIT			(TZRAM_BASE + TZRAM_SIZE)

/*******************************************************************************
 * BL3-2 specific defines.
 ******************************************************************************/
#if (PLAT_TSP_LOCATION_ID == PLAT_TRUSTED_SRAM_ID)
# define TSP_SEC_MEM_BASE		TZRAM_BASE
# define TSP_SEC_MEM_SIZE		TZRAM_SIZE
# define BL32_BASE			TZRAM_BASE
# define BL32_LIMIT			BL31_BASE
# define BL32_PROGBITS_LIMIT		BL2_BASE
#elif (PLAT_TSP_LOCATION_ID == PLAT_DRAM_ID)
# define TSP_SEC_MEM_BASE		DRAM_SEC_BASE
# define TSP_SEC_MEM_SIZE		(DRAM_SEC_SIZE - DRAM_SCP_SIZE)
# define BL32_BASE			DRAM_SEC_BASE
# define BL32_LIMIT			(DRAM_SEC_BASE + DRAM_SEC_SIZE - \
					DRAM_SCP_SIZE)
#else
# error "Unsupported PLAT_TSP_LOCATION_ID value"
#endif

/*******************************************************************************
 * Load address of BL3-3 in the Juno port
 ******************************************************************************/
#define NS_IMAGE_OFFSET			0xE0000000

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

#if IMAGE_BL1 || IMAGE_BL31
# define MAX_XLAT_TABLES		2
#endif

#if IMAGE_BL2 || IMAGE_BL32
# define MAX_XLAT_TABLES		3
#endif

#define MAX_MMAP_REGIONS		16

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

/*******************************************************************************
 * 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)

#if !USE_COHERENT_MEM
/*******************************************************************************
 * Size of the per-cpu data in bytes that should be reserved in the generic
 * per-cpu data structure for the Juno port.
 ******************************************************************************/
#define PLAT_PCPU_DATA_SIZE	2
#endif

#endif /* __PLATFORM_DEF_H__ */