| /* |
| * 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; |
| } |