| Manish V Badarkhe | b614969 | 2022-07-04 14:51:07 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2022 Arm Limited. All rights reserved. |
| 3 | * |
| 4 | * SPDX-License-Identifier: BSD-3-Clause |
| 5 | * |
| 6 | */ |
| 7 | |
| 8 | #include <stdint.h> |
| 9 | |
| 10 | #include <plat/common/platform.h> |
| 11 | #include <platform_def.h> |
| 12 | |
| 13 | /******************************************************************************* |
| 14 | * Check passed region is within Non-Secure region of DRAM |
| 15 | ******************************************************************************/ |
| 16 | int plat_drtm_validate_ns_region(uintptr_t region_start, |
| 17 | size_t region_size) |
| 18 | { |
| 19 | uintptr_t region_end = region_start + region_size - 1; |
| 20 | |
| 21 | if (region_start >= region_end) { |
| 22 | return -1; |
| 23 | } else if ((region_start >= ARM_NS_DRAM1_BASE) && |
| 24 | (region_start < (ARM_NS_DRAM1_BASE + ARM_NS_DRAM1_SIZE)) && |
| 25 | (region_end >= ARM_NS_DRAM1_BASE) && |
| 26 | (region_end < (ARM_NS_DRAM1_BASE + ARM_NS_DRAM1_SIZE))) { |
| 27 | return 0; |
| 28 | } else if ((region_start >= ARM_DRAM2_BASE) && |
| 29 | (region_start < (ARM_DRAM2_BASE + ARM_DRAM2_SIZE)) && |
| 30 | (region_end >= ARM_DRAM2_BASE) && |
| 31 | (region_end < (ARM_DRAM2_BASE + ARM_DRAM2_SIZE))) { |
| 32 | return 0; |
| 33 | } |
| 34 | |
| 35 | return -1; |
| 36 | } |