Software APIs
dt_rv_dm.h
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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 "dt_api.h"
22#include <stdint.h>
23
24
25
26/**
27 * List of instances.
28 */
29typedef enum dt_rv_dm {
30 kDtRvDm = 0, /**< rv_dm */
31 kDtRvDmFirst = 0, /**< \internal First instance */
32 kDtRvDmCount = 1, /**< \internal Number of instances */
34
35/**
36 * List of register blocks.
37 *
38 * Register blocks are guaranteed to start at 0 and to be consecutively numbered.
39 */
40typedef enum dt_rv_dm_reg_block {
41 kDtRvDmRegBlockRegs = 0, /**< */
42 kDtRvDmRegBlockMem = 1, /**< */
43 kDtRvDmRegBlockDbg = 2, /**< */
44 kDtRvDmRegBlockCount = 3, /**< \internal Number of register blocks */
46
47/** Primary register block (associated with the "primary" set of registers that control the IP). */
48static const dt_rv_dm_reg_block_t kDtRvDmRegBlockPrimary = kDtRvDmRegBlockRegs;
49
50/**
51 * List of Alerts.
52 *
53 * Alerts are guaranteed to be numbered consecutively from 0.
54 */
55typedef enum dt_rv_dm_alert {
56 kDtRvDmAlertFatalFault = 0, /**< This fatal alert is triggered when a fatal TL-UL bus integrity fault is detected. */
57 kDtRvDmAlertCount = 1, /**< \internal Number of Alerts */
59
60/**
61 * List of clock ports.
62 *
63 * Clock ports are guaranteed to be numbered consecutively from 0.
64 */
65typedef enum dt_rv_dm_clock {
66 kDtRvDmClockClk = 0, /**< Clock port clk_i */
67 kDtRvDmClockLc = 1, /**< Clock port clk_lc_i */
68 kDtRvDmClockCount = 2, /**< \internal Number of clock ports */
70
71/**
72 * List of reset ports.
73 *
74 * Reset ports are guaranteed to be numbered consecutively from 0.
75 */
76typedef enum dt_rv_dm_reset {
77 kDtRvDmResetRst = 0, /**< Reset port rst_ni */
78 kDtRvDmResetLc = 1, /**< Reset port rst_lc_ni */
79 kDtRvDmResetCount = 2, /**< \internal Number of reset ports */
81
82/**
83 * List of supported hardware features.
84 */
85#define OPENTITAN_RV_DM_HAS_JTAG_FSM 1
86#define OPENTITAN_RV_DM_HAS_JTAG_DTM 1
87#define OPENTITAN_RV_DM_HAS_DBG_DATA_REGS 1
88#define OPENTITAN_RV_DM_HAS_DBG_DMCONTROL_REG 1
89#define OPENTITAN_RV_DM_HAS_DBG_DMSTATUS_REG 1
90#define OPENTITAN_RV_DM_HAS_DBG_HARTINFO_REG 1
91#define OPENTITAN_RV_DM_HAS_DBG_HALTSUM0_REG 1
92#define OPENTITAN_RV_DM_HAS_DBG_ABSTRACT_COMMAND 1
93#define OPENTITAN_RV_DM_HAS_DBG_PROGBUF 1
94#define OPENTITAN_RV_DM_HAS_DBG_SBA 1
95#define OPENTITAN_RV_DM_HAS_DBG_NDM_RESET 1
96#define OPENTITAN_RV_DM_HAS_DBG_GDB 1
97
98
99
100/**
101 * Get the rv_dm instance from an instance ID
102 *
103 * For example, `dt_uart_from_instance_id(kDtInstanceIdUart3) == kDtUart3`.
104 *
105 * @param inst_id Instance ID.
106 * @return A rv_dm instance.
107 *
108 * **Note:** This function only makes sense if the instance ID has device type rv_dm,
109 * otherwise the returned value is unspecified.
110 */
112
113/**
114 * Get the instance ID of an instance.
115 *
116 * @param dt Instance of rv_dm.
117 * @return The instance ID of that instance.
118 */
120
121/**
122 * Get the register base address of an instance.
123 *
124 * @param dt Instance of rv_dm.
125 * @param reg_block The register block requested.
126 * @return The register base address of the requested block.
127 */
128uint32_t dt_rv_dm_reg_block(
129 dt_rv_dm_t dt,
130 dt_rv_dm_reg_block_t reg_block);
131
132/**
133 * Get the primary register base address of an instance.
134 *
135 * This is just a convenience function, equivalent to
136 * `dt_rv_dm_reg_block(dt, kDtRvDmRegBlockRegs)`
137 *
138 * @param dt Instance of rv_dm.
139 * @return The register base address of the primary register block.
140 */
141static inline uint32_t dt_rv_dm_primary_reg_block(
142 dt_rv_dm_t dt) {
143 return dt_rv_dm_reg_block(dt, kDtRvDmRegBlockRegs);
144}
145
146
147/**
148 * Get the alert ID of a rv_dm alert for a given instance.
149 *
150 * **Note:** This function only makes sense if the instance is connected to the Alert Handler. For any
151 * instances where the instance is not connected, the return value is unspecified.
152 *
153 * @param dt Instance of rv_dm.
154 * @param alert A rv_dm alert.
155 * @return The Alert Handler alert ID of the alert of this instance.
156 */
158 dt_rv_dm_t dt,
159 dt_rv_dm_alert_t alert);
160
161/**
162 * Convert a global alert ID to a local rv_dm alert type.
163 *
164 * @param dt Instance of rv_dm.
165 * @param alert A global alert ID that belongs to this instance.
166 * @return The rv_dm alert, or `kDtRvDmAlertCount`.
167 *
168 * **Note:** This function assumes that the global alert ID belongs to the
169 * instance of rv_dm passed in parameter. In other words, it must be the case
170 * that `dt_rv_dm_instance_id(dt) == dt_alert_id_to_instance_id(alert)`. Otherwise,
171 * this function will return `kDtRvDmAlertCount`.
172 */
174 dt_rv_dm_t dt,
175 dt_alert_id_t alert);
176
177
178
179/**
180 * Get the clock signal connected to a clock port of an instance.
181 *
182 * @param dt Instance of rv_dm.
183 * @param clk Clock port.
184 * @return Clock signal.
185 */
187 dt_rv_dm_t dt,
188 dt_rv_dm_clock_t clk);
189
190/**
191 * Get the reset signal connected to a reset port of an instance.
192 *
193 * @param dt Instance of rv_dm.
194 * @param rst Reset port.
195 * @return Reset signal.
196 */
198 dt_rv_dm_t dt,
199 dt_rv_dm_reset_t rst);
200
201
202
203#ifdef __cplusplus
204} // extern "C"
205#endif // __cplusplus
206
207#endif // OPENTITAN_DT_RV_DM_H_