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[u-boot] / arch / m68k / include / asm / coldfire / rng.h
1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * RNG Memory Map
4  *
5  * Copyright (C) 2004-2008 Freescale Semiconductor, Inc.
6  * TsiChung Liew (Tsi-Chung.Liew@freescale.com)
7  */
8
9 #ifndef __RNG_H__
10 #define __RNG_H__
11
12 /* Random Number Generator */
13 typedef struct rng_ctrl {
14         u32 cr;                 /* 0x00 Control */
15         u32 sr;                 /* 0x04 Status */
16         u32 er;                 /* 0x08 Entropy */
17         u32 out;                /* 0x0C Output FIFO */
18 } rng_t;
19
20 #define RNG_CR_SLM              (0x00000010)    /* Sleep mode - 5445x */
21 #define RNG_CR_CI               (0x00000008)    /* Clear interrupt */
22 #define RNG_CR_IM               (0x00000004)    /* Interrupt mask */
23 #define RNG_CR_HA               (0x00000002)    /* High assurance */
24 #define RNG_CR_GO               (0x00000001)    /* Go bit */
25
26 #define RNG_SR_OFS(x)           (((x) & 0x000000FF) << 16)
27 #define RNG_SR_OFS_MASK         (0xFF00FFFF)
28 #define RNG_SR_OFL(x)           (((x) & 0x000000FF) << 8)
29 #define RNG_SR_OFL_MASK         (0xFFFF00FF)
30 #define RNG_SR_EI               (0x00000008)
31 #define RNG_SR_FUF              (0x00000004)
32 #define RNG_SR_LRS              (0x00000002)
33 #define RNG_SR_SV               (0x00000001)
34
35 #endif                          /* __RNG_H__ */