| /* SPDX-License-Identifier: BSD-2-Clause */ |
| /* |
| * Copyright 2017-2019 NXP |
| * |
| * Brief Random Number Generator Registers. |
| */ |
| #ifndef __RNG_REGS_H__ |
| #define __RNG_REGS_H__ |
| |
| #include <util.h> |
| |
| /* |
| * RNG Test Registers |
| */ |
| /* Miscellaneous Control */ |
| #define TRNG_MCTL 0x0600 |
| #define TRNG_MCTL_PRGM BIT32(16) |
| #define TRNG_MCTL_ERR BIT32(12) |
| #define TRNG_MCTL_ACC BIT32(5) |
| #define BM_TRNG_MCTL_SAMP_MODE SHIFT_U32(0x3, 0) |
| /* Use raw data in both entropy shifter and statistical checker */ |
| #define TRNG_MCTL_SAMP_MODE_RAW_ES_SC SHIFT_U32(1, 0) |
| |
| /* Seed Control */ |
| #define TRNG_SDCTL 0x0610 |
| #define BM_TRNG_SDCTL_ENT_DLY SHIFT_U32(0xFFFF, 16) |
| #define GET_TRNG_SDCTL_ENT_DLY(val) (((val) & BM_TRNG_SDCTL_ENT_DLY) >> 16) |
| #define TRNG_SDCTL_ENT_DLY(val) SHIFT_U32(((val) & 0xFFFF), 16) |
| |
| #ifdef CFG_MX6SX |
| /* |
| * After experimentation on i.MX6SX, the minimal Delay value |
| * allowing the RNG instantiation is 4800 |
| */ |
| #define TRNG_SDCTL_ENT_DLY_MIN (3200 + 1600) |
| #else |
| #define TRNG_SDCTL_ENT_DLY_MIN 3200 |
| #endif |
| #define TRNG_SDCTL_ENT_DLY_MAX 12800 |
| |
| /* Frequency Count Minimum Limit */ |
| #define TRNG_FRQMIN 0x0618 |
| /* Frequency Count Maximum Limit */ |
| #define TRNG_FRQMAX 0x061C |
| |
| /* |
| * RNG Registers |
| */ |
| /* Status */ |
| #define RNG_STA 0x06C0 |
| |
| #define RNG_STA_SKVN BIT32(30) |
| #define RNG_STA_IF1 BIT32(1) |
| #define RNG_STA_IF0 BIT32(0) |
| |
| #endif /* __RNG_REGS_H__ */ |
