xref: /device/linaro/bootloader/arm-trusted-firmware/plat/hikey/aarch64/hikey_common.c

/*
 * Copyright (c) 2014-2015, Linaro Ltd and Contributors. All rights reserved.
 * Copyright (c) 2014-2015, Hisilicon Ltd 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.
 */

#include <arch_helpers.h>
#include <arm_gic.h>
#include <assert.h>
#include <bl_common.h>
#include <debug.h>
#include <mmio.h>
#include <platform.h>
#include <platform_def.h>
#include <xlat_tables.h>
#include <../hikey_def.h>

#define MAP_DEVICE	MAP_REGION_FLAT(DEVICE_BASE,			\
					DEVICE_SIZE,			\
					MT_DEVICE | MT_RW | MT_SECURE)

#define MAP_NS_DRAM	MAP_REGION_FLAT(DRAM_NS_BASE,			\
					DRAM_NS_SIZE,			\
					MT_DEVICE | MT_RW | MT_NS)

#define MAP_TSP_MEM	MAP_REGION_FLAT(TSP_SEC_MEM_BASE, 		\
					TSP_SEC_MEM_SIZE,		\
					MT_MEMORY | MT_RW | MT_SECURE)

#define MAP_ROM_PARAM	MAP_REGION_FLAT(XG2RAM0_BASE,			\
					0x1000,				\
					MT_DEVICE | MT_RW | MT_NS)

#define MAP_SRAM	MAP_REGION_FLAT(SRAM_BASE,			\
					SRAM_SIZE,			\
					MT_DEVICE | MT_RW | MT_SECURE)

/*
 * Table of regions for different BL stages to map using the MMU.
 * This doesn't include Trusted RAM as the 'mem_layout' argument passed to
 * configure_mmu_elx() will give the available subset of that,
 */
#if IMAGE_BL1
static const mmap_region_t hikey_mmap[] = {
	MAP_DEVICE,
	MAP_NS_DRAM,
	MAP_ROM_PARAM,
	{0}
};
#endif
#if IMAGE_BL2
static const mmap_region_t hikey_mmap[] = {
	MAP_DEVICE,
	MAP_NS_DRAM,
	MAP_TSP_MEM,
	MAP_SRAM,
	{0}
};
#endif
#if IMAGE_BL31
static const mmap_region_t hikey_mmap[] = {
	MAP_DEVICE,
	MAP_NS_DRAM,
	MAP_TSP_MEM,
	MAP_SRAM,
	{0}
};
#endif
#if IMAGE_BL32
static const mmap_region_t hikey_mmap[] = {
	MAP_DEVICE,
	MAP_NS_DRAM,
	{0}
};
#endif

/* Array of secure interrupts to be configured by the gic driver */
const unsigned int irq_sec_array[] = {
	IRQ_SEC_PHY_TIMER,
	IRQ_SEC_SGI_0,
	IRQ_SEC_SGI_1,
	IRQ_SEC_SGI_2,
	IRQ_SEC_SGI_3,
	IRQ_SEC_SGI_4,
	IRQ_SEC_SGI_5,
	IRQ_SEC_SGI_6,
	IRQ_SEC_SGI_7
};

const unsigned int num_sec_irqs = sizeof(irq_sec_array) /
	sizeof(irq_sec_array[0]);

/*******************************************************************************
 * Macro generating the code for the function setting up the pagetables as per
 * the platform memory map & initialize the mmu, for the given exception level
 ******************************************************************************/
#define DEFINE_CONFIGURE_MMU_EL(_el)				\
	void configure_mmu_el##_el(unsigned long total_base,	\
				  unsigned long total_size,	\
				  unsigned long ro_start,	\
				  unsigned long ro_limit,	\
				  unsigned long coh_start,	\
				  unsigned long coh_limit)	\
	{							\
	       mmap_add_region(total_base, total_base,		\
			       total_size,			\
			       MT_MEMORY | MT_RW | MT_SECURE);	\
	       mmap_add_region(ro_start, ro_start,		\
			       ro_limit - ro_start,		\
			       MT_MEMORY | MT_RO | MT_SECURE);	\
	       mmap_add_region(coh_start, coh_start,		\
			       coh_limit - coh_start,		\
			       MT_DEVICE | MT_RW | MT_SECURE);	\
	       mmap_add(hikey_mmap);				\
	       init_xlat_tables();				\
								\
	       enable_mmu_el##_el(0);				\
	}

/* Define EL1 and EL3 variants of the function initialising the MMU */
DEFINE_CONFIGURE_MMU_EL(1)
DEFINE_CONFIGURE_MMU_EL(3)

unsigned long plat_get_ns_image_entrypoint(void)
{
	return NS_IMAGE_OFFSET;
}

uint64_t plat_get_syscnt_freq(void)
{
	return 1200000;
}

void plat_gic_init(void)
{
	arm_gic_init(GICC_BASE, GICD_BASE, 0, irq_sec_array, num_sec_irqs);
}