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/*
* Copyright (c) 2022 Arm Limited. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*
*/
#include <stdint.h>
#include <plat/common/platform.h>
#include <platform_def.h>
/*******************************************************************************
* Check passed region is within Non-Secure region of DRAM
******************************************************************************/
int plat_drtm_validate_ns_region(uintptr_t region_start,
size_t region_size)
{
uintptr_t region_end = region_start + region_size - 1;
if (region_start >= region_end) {
return -1;
} else if ((region_start >= ARM_NS_DRAM1_BASE) &&
(region_start < (ARM_NS_DRAM1_BASE + ARM_NS_DRAM1_SIZE)) &&
(region_end >= ARM_NS_DRAM1_BASE) &&
(region_end < (ARM_NS_DRAM1_BASE + ARM_NS_DRAM1_SIZE))) {
return 0;
} else if ((region_start >= ARM_DRAM2_BASE) &&
(region_start < (ARM_DRAM2_BASE + ARM_DRAM2_SIZE)) &&
(region_end >= ARM_DRAM2_BASE) &&
(region_end < (ARM_DRAM2_BASE + ARM_DRAM2_SIZE))) {
return 0;
}
return -1;
}
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