| developer | 9f0871e | 2024-10-07 14:44:17 +0800 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (c) 2024, MediaTek Inc. All rights reserved. |
| 3 | * |
| 4 | * SPDX-License-Identifier: BSD-3-Clause |
| 5 | */ |
| 6 | |
| 7 | #ifndef RNG_PLAT_H |
| 8 | #define RNG_PLAT_H |
| 9 | |
| 10 | #include <lib/utils_def.h> |
| 11 | |
| 12 | #define MTK_TIMEOUT_POLL 1000 |
| 13 | |
| 14 | #define MTK_RETRY_CNT 10 |
| 15 | |
| 16 | #define RNG_DEFAULT_CUTOFF 0x04871C0B |
| 17 | |
| 18 | /******************************************************************************* |
| 19 | * TRNG related constants |
| 20 | ******************************************************************************/ |
| 21 | #define RNG_STATUS (TRNG_BASE + 0x0004) |
| 22 | #define RNG_SWRST (TRNG_BASE + 0x0010) |
| 23 | #define RNG_IRQ_CFG (TRNG_BASE + 0x0014) |
| 24 | #define RNG_EN (TRNG_BASE + 0x0020) |
| 25 | #define RNG_HTEST (TRNG_BASE + 0x0028) |
| 26 | #define RNG_OUT (TRNG_BASE + 0x0030) |
| 27 | #define RNG_RAW (TRNG_BASE + 0x0038) |
| 28 | #define RNG_SRC (TRNG_BASE + 0x0050) |
| 29 | |
| 30 | #define RAW_VALID BIT(12) |
| 31 | #define DRBG_VALID BIT(4) |
| 32 | #define RAW_EN BIT(8) |
| 33 | #define NRBG_EN BIT(4) |
| 34 | #define DRBG_EN BIT(0) |
| 35 | #define IRQ_EN BIT(0) |
| 36 | #define SWRST_B BIT(0) |
| 37 | /* Error conditions */ |
| 38 | #define RNG_ERROR GENMASK_32(28, 24) |
| 39 | #define APB_ERROR BIT(16) |
| 40 | |
| 41 | /* External swrst */ |
| 42 | #define TRNG_SWRST_SET_REG (INFRACFG_AO_BASE + 0x150) |
| 43 | #define TRNG_SWRST_CLR_REG (INFRACFG_AO_BASE + 0x154) |
| 44 | #define RNG_SWRST_B BIT(13) |
| 45 | |
| 46 | #endif /* RNG_PLAT_H */ |