Software APIs
rv_dm.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_RV_DM_H_
8#define OPENTITAN_DT_RV_DM_H_
9
10#ifdef __cplusplus
11extern "C" {
12#endif // __cplusplus
13
14/**
15 * @file
16 * @brief Device Tables (DT) for IP rv_dm and top darjeeling.
17 *
18 * This file contains the type definitions and global functions of the rv_dm.
19 */
20
21#include "hw/top/dt/api.h"
22#include <stdint.h>
23
24
25
26/**
27 * List of instances.
28 */
29typedef enum dt_rv_dm {
30 kDtRvDmFirst = 0, /**< First instance */
31 kDtRvDm = 0, /**< rv_dm */
33
34enum {
35 kDtRvDmCount = 1, /**< Number of instances */
36};
37
38
39/**
40 * List of register blocks.
41 *
42 * Register blocks are guaranteed to start at 0 and to be consecutively numbered.
43 */
44typedef enum dt_rv_dm_reg_block {
45 kDtRvDmRegBlockRegs = 0, /**< */
46 kDtRvDmRegBlockMem = 1, /**< */
47 kDtRvDmRegBlockDbg = 2, /**< */
49
50enum {
51 kDtRvDmRegBlockCount = 3, /**< Number of register blocks */
52};
53
54
55/** Primary register block (associated with the "primary" set of registers that control the IP). */
56static const dt_rv_dm_reg_block_t kDtRvDmRegBlockPrimary = kDtRvDmRegBlockRegs;
57
58/**
59 * List of Alerts.
60 *
61 * Alerts are guaranteed to be numbered consecutively from 0.
62 */
63typedef enum dt_rv_dm_alert {
64 kDtRvDmAlertFatalFault = 0, /**< This fatal alert is triggered when a fatal TL-UL bus integrity fault is detected. */
66
67enum {
68 kDtRvDmAlertCount = 1, /**< Number of Alerts */
69};
70
71
72/**
73 * List of clock ports.
74 *
75 * Clock ports are guaranteed to be numbered consecutively from 0.
76 */
77typedef enum dt_rv_dm_clock {
78 kDtRvDmClockClk = 0, /**< Clock port clk_i */
79 kDtRvDmClockLc = 1, /**< Clock port clk_lc_i */
81
82enum {
83 kDtRvDmClockCount = 2, /**< Number of clock ports */
84};
85
86
87/**
88 * List of reset ports.
89 *
90 * Reset ports are guaranteed to be numbered consecutively from 0.
91 */
92typedef enum dt_rv_dm_reset {
93 kDtRvDmResetRst = 0, /**< Reset port rst_ni */
94 kDtRvDmResetLc = 1, /**< Reset port rst_lc_ni */
96
97enum {
98 kDtRvDmResetCount = 2, /**< Number of reset ports */
99};
100
101
102/**
103 * List of supported hardware features.
104 */
105#define OPENTITAN_RV_DM_HAS_JTAG_FSM 1
106#define OPENTITAN_RV_DM_HAS_JTAG_DTM 1
107#define OPENTITAN_RV_DM_HAS_DBG_DATA_REGS 1
108#define OPENTITAN_RV_DM_HAS_DBG_DMCONTROL_REG 1
109#define OPENTITAN_RV_DM_HAS_DBG_DMSTATUS_REG 1
110#define OPENTITAN_RV_DM_HAS_DBG_HARTINFO_REG 1
111#define OPENTITAN_RV_DM_HAS_DBG_HALTSUM0_REG 1
112#define OPENTITAN_RV_DM_HAS_DBG_ABSTRACT_COMMAND 1
113#define OPENTITAN_RV_DM_HAS_DBG_PROGBUF 1
114#define OPENTITAN_RV_DM_HAS_DBG_SBA 1
115#define OPENTITAN_RV_DM_HAS_DBG_NDM_RESET 1
116#define OPENTITAN_RV_DM_HAS_DBG_GDB 1
117
118
119
120/**
121 * Get the rv_dm instance from an instance ID
122 *
123 * For example, `dt_uart_from_instance_id(kDtInstanceIdUart3) == kDtUart3`.
124 *
125 * @param inst_id Instance ID.
126 * @return A rv_dm instance.
127 *
128 * **Note:** This function only makes sense if the instance ID has device type rv_dm,
129 * otherwise the returned value is unspecified.
130 */
132
133/**
134 * Get the instance ID of an instance.
135 *
136 * @param dt Instance of rv_dm.
137 * @return The instance ID of that instance.
138 */
140
141/**
142 * Get the register base address of an instance.
143 *
144 * @param dt Instance of rv_dm.
145 * @param reg_block The register block requested.
146 * @return The register base address of the requested block.
147 */
148uint32_t dt_rv_dm_reg_block(
149 dt_rv_dm_t dt,
150 dt_rv_dm_reg_block_t reg_block);
151
152/**
153 * Get the primary register base address of an instance.
154 *
155 * This is just a convenience function, equivalent to
156 * `dt_rv_dm_reg_block(dt, kDtRvDmRegBlockRegs)`
157 *
158 * @param dt Instance of rv_dm.
159 * @return The register base address of the primary register block.
160 */
161static inline uint32_t dt_rv_dm_primary_reg_block(
162 dt_rv_dm_t dt) {
163 return dt_rv_dm_reg_block(dt, kDtRvDmRegBlockRegs);
164}
165
166
167/**
168 * Get the alert ID of a rv_dm alert for a given instance.
169 *
170 * **Note:** This function only makes sense if the instance is connected to the Alert Handler. For any
171 * instances where the instance is not connected, the return value is unspecified.
172 *
173 * @param dt Instance of rv_dm.
174 * @param alert A rv_dm alert.
175 * @return The Alert Handler alert ID of the alert of this instance.
176 */
178 dt_rv_dm_t dt,
179 dt_rv_dm_alert_t alert);
180
181/**
182 * Convert a global alert ID to a local rv_dm alert type.
183 *
184 * @param dt Instance of rv_dm.
185 * @param alert A global alert ID that belongs to this instance.
186 * @return The rv_dm alert, or `kDtRvDmAlertCount`.
187 *
188 * **Note:** This function assumes that the global alert ID belongs to the
189 * instance of rv_dm passed in parameter. In other words, it must be the case
190 * that `dt_rv_dm_instance_id(dt) == dt_alert_id_to_instance_id(alert)`. Otherwise,
191 * this function will return `kDtRvDmAlertCount`.
192 */
194 dt_rv_dm_t dt,
195 dt_alert_id_t alert);
196
197
198
199/**
200 * Get the clock signal connected to a clock port of an instance.
201 *
202 * @param dt Instance of rv_dm.
203 * @param clk Clock port.
204 * @return Clock signal.
205 */
207 dt_rv_dm_t dt,
208 dt_rv_dm_clock_t clk);
209
210/**
211 * Get the reset signal connected to a reset port of an instance.
212 *
213 * @param dt Instance of rv_dm.
214 * @param rst Reset port.
215 * @return Reset signal.
216 */
218 dt_rv_dm_t dt,
219 dt_rv_dm_reset_t rst);
220
221
222
223#ifdef __cplusplus
224} // extern "C"
225#endif // __cplusplus
226
227#endif // OPENTITAN_DT_RV_DM_H_