Karl Li | dece5f0 | 2023-04-27 10:38:28 +0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2023, MediaTek Inc. All rights reserved. |
| 3 | * |
| 4 | * SPDX-License-Identifier: BSD-3-Clause |
| 5 | */ |
| 6 | |
| 7 | /* TF-A system header */ |
| 8 | #include <common/debug.h> |
| 9 | #include <lib/mmio.h> |
| 10 | |
| 11 | /* Vendor header */ |
| 12 | #include "apusys_security_ctrl_plat.h" |
| 13 | |
| 14 | static void apusys_domain_remap_init(void) |
| 15 | { |
| 16 | const uint32_t remap_domains[] = { |
| 17 | D0_REMAP_DOMAIN, D1_REMAP_DOMAIN, D2_REMAP_DOMAIN, D3_REMAP_DOMAIN, |
| 18 | D4_REMAP_DOMAIN, D5_REMAP_DOMAIN, D6_REMAP_DOMAIN, D7_REMAP_DOMAIN, |
| 19 | D8_REMAP_DOMAIN, D9_REMAP_DOMAIN, D10_REMAP_DOMAIN, D11_REMAP_DOMAIN, |
| 20 | D12_REMAP_DOMAIN, D13_REMAP_DOMAIN, D14_REMAP_DOMAIN, D15_REMAP_DOMAIN |
| 21 | }; |
| 22 | uint32_t lower_domain = 0; |
| 23 | uint32_t higher_domain = 0; |
| 24 | int i; |
| 25 | |
| 26 | for (i = 0; i < ARRAY_SIZE(remap_domains); i++) { |
| 27 | if (i < REG_DOMAIN_NUM) { |
| 28 | lower_domain |= (remap_domains[i] << (i * REG_DOMAIN_BITS)); |
| 29 | } else { |
| 30 | higher_domain |= (remap_domains[i] << |
| 31 | ((i - REG_DOMAIN_NUM) * REG_DOMAIN_BITS)); |
| 32 | } |
| 33 | } |
| 34 | |
| 35 | mmio_write_32(SOC2APU_SET1_0, lower_domain); |
| 36 | mmio_write_32(SOC2APU_SET1_1, higher_domain); |
| 37 | mmio_setbits_32(APU_SEC_CON, DOMAIN_REMAP_SEL); |
| 38 | } |
| 39 | |
| 40 | void apusys_security_ctrl_init(void) |
| 41 | { |
| 42 | apusys_domain_remap_init(); |
| 43 | } |