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/**
11 * @file
12 * @brief Device Tables (DT) for IP rv_dm and top earlgrey.
13 *
14 * This file contains the type definitions and global functions of the rv_dm.
15 */
16
17#include "dt_api.h"
18#include <stdint.h>
19
20/**
21 * List of instances.
22 */
23typedef enum dt_rv_dm {
24 kDtRvDm = 0, /**< rv_dm */
25 kDtRvDmFirst = 0, /**< \internal First instance */
26 kDtRvDmCount = 1, /**< \internal Number of instances */
28
29/**
30 * List of register blocks.
31 *
32 * Register blocks are guaranteed to start at 0 and to be consecutively numbered.
33 */
34typedef enum dt_rv_dm_reg_block {
35 kDtRvDmRegBlockRegs = 0, /**< */
36 kDtRvDmRegBlockMem = 1, /**< */
37 kDtRvDmRegBlockDbg = 2, /**< */
38 kDtRvDmRegBlockCount = 3, /**< \internal Number of register blocks */
40
41/** Primary register block (associated with the "primary" set of registers that control the IP). */
42static const dt_rv_dm_reg_block_t kDtRvDmRegBlockPrimary = kDtRvDmRegBlockRegs;
43
44/**
45 * List of Alerts.
46 *
47 * Alerts are guaranteed to be numbered consecutively from 0.
48 */
49typedef enum dt_rv_dm_alert {
50 kDtRvDmAlertFatalFault = 0, /**< This fatal alert is triggered when a fatal TL-UL bus integrity fault is detected. */
51 kDtRvDmAlertCount = 1, /**< \internal Number of Alerts */
53
54/**
55 * List of clock ports.
56 *
57 * Clock ports are guaranteed to be numbered consecutively from 0.
58 */
59typedef enum dt_rv_dm_clock {
60 kDtRvDmClockClk = 0, /**< Clock port clk_i */
61 kDtRvDmClockLc = 1, /**< Clock port clk_lc_i */
62 kDtRvDmClockCount = 2, /**< \internal Number of clock ports */
64
65/**
66 * List of reset ports.
67 *
68 * Reset ports are guaranteed to be numbered consecutively from 0.
69 */
70typedef enum dt_rv_dm_reset {
71 kDtRvDmResetRst = 0, /**< Reset port rst_ni */
72 kDtRvDmResetLc = 1, /**< Reset port rst_lc_ni */
73 kDtRvDmResetCount = 2, /**< \internal Number of reset ports */
75
76/**
77 * List of supported hardware features.
78 */
79#define OPENTITAN_RV_DM_HAS_JTAG_FSM 1
80#define OPENTITAN_RV_DM_HAS_JTAG_DTM 1
81#define OPENTITAN_RV_DM_HAS_DBG_DATA_REGS 1
82#define OPENTITAN_RV_DM_HAS_DBG_DMCONTROL_REG 1
83#define OPENTITAN_RV_DM_HAS_DBG_DMSTATUS_REG 1
84#define OPENTITAN_RV_DM_HAS_DBG_HARTINFO_REG 1
85#define OPENTITAN_RV_DM_HAS_DBG_HALTSUM0_REG 1
86#define OPENTITAN_RV_DM_HAS_DBG_ABSTRACT_COMMAND 1
87#define OPENTITAN_RV_DM_HAS_DBG_PROGBUF 1
88#define OPENTITAN_RV_DM_HAS_DBG_SBA 1
89#define OPENTITAN_RV_DM_HAS_DBG_NDM_RESET 1
90#define OPENTITAN_RV_DM_HAS_DBG_GDB 1
91
92
93
94/**
95 * Get the rv_dm instance from an instance ID
96 *
97 * For example, `dt_uart_from_instance_id(kDtInstanceIdUart3) == kDtUart3`.
98 *
99 * @param inst_id Instance ID.
100 * @return A rv_dm instance.
101 *
102 * **Note:** This function only makes sense if the instance ID has device type rv_dm,
103 * otherwise the returned value is unspecified.
104 */
106
107/**
108 * Get the instance ID of an instance.
109 *
110 * @param dt Instance of rv_dm.
111 * @return The instance ID of that instance.
112 */
114
115/**
116 * Get the register base address of an instance.
117 *
118 * @param dt Instance of rv_dm.
119 * @param reg_block The register block requested.
120 * @return The register base address of the requested block.
121 */
122uint32_t dt_rv_dm_reg_block(
123 dt_rv_dm_t dt,
124 dt_rv_dm_reg_block_t reg_block);
125
126/**
127 * Get the primary register base address of an instance.
128 *
129 * This is just a convenience function, equivalent to
130 * `dt_rv_dm_reg_block(dt, kDtRvDmRegBlockRegs)`
131 *
132 * @param dt Instance of rv_dm.
133 * @return The register base address of the primary register block.
134 */
135static inline uint32_t dt_rv_dm_primary_reg_block(
136 dt_rv_dm_t dt) {
137 return dt_rv_dm_reg_block(dt, kDtRvDmRegBlockRegs);
138}
139
140
141/**
142 * Get the alert ID of a rv_dm alert for a given instance.
143 *
144 * **Note:** This function only makes sense if the instance is connected to the Alert Handler. For any
145 * instances where the instance is not connected, the return value is unspecified.
146 *
147 * @param dt Instance of rv_dm.
148 * @param alert A rv_dm alert.
149 * @return The Alert Handler alert ID of the alert of this instance.
150 */
152 dt_rv_dm_t dt,
153 dt_rv_dm_alert_t alert);
154
155/**
156 * Convert a global alert ID to a local rv_dm alert type.
157 *
158 * @param dt Instance of rv_dm.
159 * @param alert A global alert ID that belongs to this instance.
160 * @return The rv_dm alert, or `kDtRvDmAlertCount`.
161 *
162 * **Note:** This function assumes that the global alert ID belongs to the
163 * instance of rv_dm passed in parameter. In other words, it must be the case
164 * that `dt_rv_dm_instance_id(dt) == dt_alert_id_to_instance_id(alert)`. Otherwise,
165 * this function will return `kDtRvDmAlertCount`.
166 */
168 dt_rv_dm_t dt,
169 dt_alert_id_t alert);
170
171
172
173/**
174 * Get the clock signal connected to a clock port of an instance.
175 *
176 * @param dt Instance of rv_dm.
177 * @param clk Clock port.
178 * @return Clock signal.
179 */
181 dt_rv_dm_t dt,
182 dt_rv_dm_clock_t clk);
183
184/**
185 * Get the reset signal connected to a reset port of an instance.
186 *
187 * @param dt Instance of rv_dm.
188 * @param rst Reset port.
189 * @return Reset signal.
190 */
192 dt_rv_dm_t dt,
193 dt_rv_dm_reset_t rst);
194
195
196
197#endif // OPENTITAN_DT_RV_DM_H_