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/*
* Copyright (c) 2017-2022, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <assert.h>
#include <platform_def.h>
#include <arch_helpers.h>
#include <common/bl_common.h>
#include <common/debug.h>
#include <lib/mmio.h>
#include <lib/xlat_tables/xlat_tables_v2.h>
#include <plat/common/platform.h>
#include "../hikey960_def.h"
#include "../hikey960_private.h"
#define MAP_DDR MAP_REGION_FLAT(DDR_BASE, \
DDR_SIZE - DDR_SEC_SIZE, \
MT_MEMORY | MT_RW | MT_NS)
#define MAP_DEVICE MAP_REGION_FLAT(DEVICE_BASE, \
DEVICE_SIZE, \
MT_DEVICE | MT_RW | MT_SECURE)
#define MAP_BL1_RW MAP_REGION_FLAT(BL1_RW_BASE, \
BL1_RW_LIMIT - BL1_RW_BASE, \
MT_MEMORY | MT_RW | MT_NS)
#define MAP_UFS_DATA MAP_REGION_FLAT(HIKEY960_UFS_DATA_BASE, \
HIKEY960_UFS_DATA_SIZE, \
MT_MEMORY | MT_RW | MT_NS)
#define MAP_UFS_DESC MAP_REGION_FLAT(HIKEY960_UFS_DESC_BASE, \
HIKEY960_UFS_DESC_SIZE, \
MT_MEMORY | 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)
/*
* 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
* hikey960_init_mmu_elx() will give the available subset of that,
*/
#ifdef IMAGE_BL1
static const mmap_region_t hikey960_mmap[] = {
MAP_UFS_DATA,
MAP_BL1_RW,
MAP_UFS_DESC,
MAP_DEVICE,
{0}
};
#endif
#ifdef IMAGE_BL2
static const mmap_region_t hikey960_mmap[] = {
MAP_DDR,
MAP_DEVICE,
MAP_TSP_MEM,
{0}
};
#endif
#ifdef IMAGE_BL31
static const mmap_region_t hikey960_mmap[] = {
MAP_DEVICE,
{0}
};
#endif
#ifdef IMAGE_BL32
static const mmap_region_t hikey960_mmap[] = {
MAP_DEVICE,
MAP_DDR,
{0}
};
#endif
/*
* 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 HIKEY960_CONFIGURE_MMU_EL(_el) \
void hikey960_init_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(hikey960_mmap); \
init_xlat_tables(); \
\
enable_mmu_el##_el(0); \
}
/* Define EL1 and EL3 variants of the function initialising the MMU */
HIKEY960_CONFIGURE_MMU_EL(1)
HIKEY960_CONFIGURE_MMU_EL(3)
unsigned long plat_get_ns_image_entrypoint(void)
{
return NS_BL1U_BASE;
}
unsigned int plat_get_syscnt_freq2(void)
{
return 1920000;
}
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