Software APIs
dt_rom_ctrl.h
Go to the documentation of this file.
1
// Copyright lowRISC contributors (OpenTitan project).
2
// Licensed under the Apache License, Version 2.0, see LICENSE for details.
3
// SPDX-License-Identifier: Apache-2.0
4
//
5
// Device table API auto-generated by `dtgen`
6
7
#ifndef OPENTITAN_DT_ROM_CTRL_H_
8
#define OPENTITAN_DT_ROM_CTRL_H_
9
10
#ifdef __cplusplus
11
extern
"C"
{
12
#endif
// __cplusplus
13
14
/**
15
* @file
16
* @brief Device Tables (DT) for IP rom_ctrl and top englishbreakfast.
17
*
18
* This file contains the type definitions and global functions of the rom_ctrl.
19
*/
20
21
#include "hw/top/dt/dt_api.h"
22
#include <stdint.h>
23
24
25
26
/**
27
* List of instances.
28
*/
29
typedef
enum
dt_rom_ctrl
{
30
kDtRomCtrl
= 0,
/**< rom_ctrl */
31
kDtRomCtrlFirst = 0,
/**< \internal First instance */
32
kDtRomCtrlCount = 1,
/**< \internal Number of instances */
33
}
dt_rom_ctrl_t
;
34
35
/**
36
* List of register blocks.
37
*
38
* Register blocks are guaranteed to start at 0 and to be consecutively numbered.
39
*/
40
typedef
enum
dt_rom_ctrl_reg_block
{
41
kDtRomCtrlRegBlockRegs = 0,
/**< */
42
kDtRomCtrlRegBlockCount = 1,
/**< \internal Number of register blocks */
43
}
dt_rom_ctrl_reg_block_t
;
44
45
/**
46
* List of memories.
47
*
48
* Memories are guaranteed to start at 0 and to be consecutively numbered.
49
*/
50
typedef
enum
dt_rom_ctrl_memory
{
51
kDtRomCtrlMemoryRom = 0,
/**< */
52
kDtRomCtrlMemoryCount = 1,
/**< \internal Number of memories */
53
}
dt_rom_ctrl_memory_t
;
54
55
/** Primary register block (associated with the "primary" set of registers that control the IP). */
56
static
const
dt_rom_ctrl_reg_block_t
kDtRomCtrlRegBlockPrimary = kDtRomCtrlRegBlockRegs;
57
58
/**
59
* List of clock ports.
60
*
61
* Clock ports are guaranteed to be numbered consecutively from 0.
62
*/
63
typedef
enum
dt_rom_ctrl_clock
{
64
kDtRomCtrlClockClk
= 0,
/**< Clock port clk_i */
65
kDtRomCtrlClockCount = 1,
/**< \internal Number of clock ports */
66
}
dt_rom_ctrl_clock_t
;
67
68
/**
69
* List of reset ports.
70
*
71
* Reset ports are guaranteed to be numbered consecutively from 0.
72
*/
73
typedef
enum
dt_rom_ctrl_reset
{
74
kDtRomCtrlResetRst
= 0,
/**< Reset port rst_ni */
75
kDtRomCtrlResetCount = 1,
/**< \internal Number of reset ports */
76
}
dt_rom_ctrl_reset_t
;
77
78
/**
79
* List of supported hardware features.
80
*/
81
#define OPENTITAN_ROM_CTRL_HAS_SCRAMBLED 1
82
#define OPENTITAN_ROM_CTRL_HAS_DIGESTS 1
83
#define OPENTITAN_ROM_CTRL_HAS_EXP_DIGESTS 1
84
85
86
87
/**
88
* Get the rom_ctrl instance from an instance ID
89
*
90
* For example, `dt_uart_from_instance_id(kDtInstanceIdUart3) == kDtUart3`.
91
*
92
* @param inst_id Instance ID.
93
* @return A rom_ctrl instance.
94
*
95
* **Note:** This function only makes sense if the instance ID has device type rom_ctrl,
96
* otherwise the returned value is unspecified.
97
*/
98
dt_rom_ctrl_t
dt_rom_ctrl_from_instance_id
(
dt_instance_id_t
inst_id);
99
100
/**
101
* Get the instance ID of an instance.
102
*
103
* @param dt Instance of rom_ctrl.
104
* @return The instance ID of that instance.
105
*/
106
dt_instance_id_t
dt_rom_ctrl_instance_id
(
dt_rom_ctrl_t
dt);
107
108
/**
109
* Get the register base address of an instance.
110
*
111
* @param dt Instance of rom_ctrl.
112
* @param reg_block The register block requested.
113
* @return The register base address of the requested block.
114
*/
115
uint32_t
dt_rom_ctrl_reg_block
(
116
dt_rom_ctrl_t
dt,
117
dt_rom_ctrl_reg_block_t
reg_block);
118
119
/**
120
* Get the primary register base address of an instance.
121
*
122
* This is just a convenience function, equivalent to
123
* `dt_rom_ctrl_reg_block(dt, kDtRomCtrlRegBlockRegs)`
124
*
125
* @param dt Instance of rom_ctrl.
126
* @return The register base address of the primary register block.
127
*/
128
static
inline
uint32_t dt_rom_ctrl_primary_reg_block(
129
dt_rom_ctrl_t
dt) {
130
return
dt_rom_ctrl_reg_block
(dt, kDtRomCtrlRegBlockRegs);
131
}
132
133
/**
134
* Get the base address of a memory.
135
*
136
* @param dt Instance of rom_ctrl.
137
* @param mem The memory requested.
138
* @return The base address of the requested memory.
139
*/
140
uint32_t
dt_rom_ctrl_memory_base
(
141
dt_rom_ctrl_t
dt,
142
dt_rom_ctrl_memory_t
mem);
143
144
/**
145
* Get the size of a memory.
146
*
147
* @param dt Instance of rom_ctrl.
148
* @param mem The memory requested.
149
* @return The size of the requested memory.
150
*/
151
uint32_t
dt_rom_ctrl_memory_size
(
152
dt_rom_ctrl_t
dt,
153
dt_rom_ctrl_memory_t
mem);
154
155
156
157
158
/**
159
* Get the clock signal connected to a clock port of an instance.
160
*
161
* @param dt Instance of rom_ctrl.
162
* @param clk Clock port.
163
* @return Clock signal.
164
*/
165
dt_clock_t
dt_rom_ctrl_clock
(
166
dt_rom_ctrl_t
dt,
167
dt_rom_ctrl_clock_t
clk);
168
169
/**
170
* Get the reset signal connected to a reset port of an instance.
171
*
172
* @param dt Instance of rom_ctrl.
173
* @param rst Reset port.
174
* @return Reset signal.
175
*/
176
dt_reset_t
dt_rom_ctrl_reset
(
177
dt_rom_ctrl_t
dt,
178
dt_rom_ctrl_reset_t
rst);
179
180
181
182
#ifdef __cplusplus
183
}
// extern "C"
184
#endif
// __cplusplus
185
186
#endif
// OPENTITAN_DT_ROM_CTRL_H_
(englishbreakfast)
hw
top
dt
dt_rom_ctrl.h
Return to
OpenTitan Documentation