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
22/**
23 * List of instances.
24 */
25typedef enum dt_rv_dm {
26 kDtRvDm = 0, /**< rv_dm */
27 kDtRvDmFirst = 0, /**< \internal First instance */
28 kDtRvDmCount = 1, /**< \internal Number of instances */
30
31/**
32 * List of register blocks.
33 *
34 * Register blocks are guaranteed to start at 0 and to be consecutively numbered.
35 */
36typedef enum dt_rv_dm_reg_block {
37 kDtRvDmRegBlockRegs = 0, /**< */
38 kDtRvDmRegBlockMem = 1, /**< */
39 kDtRvDmRegBlockDbg = 2, /**< */
40 kDtRvDmRegBlockCount = 3, /**< \internal Number of register blocks */
42
43/** Primary register block (associated with the "primary" set of registers that control the IP). */
44static const dt_rv_dm_reg_block_t kDtRvDmRegBlockPrimary = kDtRvDmRegBlockRegs;
45
46/**
47 * List of Alerts.
48 *
49 * Alerts are guaranteed to be numbered consecutively from 0.
50 */
51typedef enum dt_rv_dm_alert {
52 kDtRvDmAlertFatalFault = 0, /**< This fatal alert is triggered when a fatal TL-UL bus integrity fault is detected. */
53 kDtRvDmAlertCount = 1, /**< \internal Number of Alerts */
55
56/**
57 * List of clock ports.
58 *
59 * Clock ports are guaranteed to be numbered consecutively from 0.
60 */
61typedef enum dt_rv_dm_clock {
62 kDtRvDmClockClk = 0, /**< Clock port clk_i */
63 kDtRvDmClockLc = 1, /**< Clock port clk_lc_i */
64 kDtRvDmClockCount = 2, /**< \internal Number of clock ports */
66
67/**
68 * List of reset ports.
69 *
70 * Reset ports are guaranteed to be numbered consecutively from 0.
71 */
72typedef enum dt_rv_dm_reset {
73 kDtRvDmResetRst = 0, /**< Reset port rst_ni */
74 kDtRvDmResetLc = 1, /**< Reset port rst_lc_ni */
75 kDtRvDmResetCount = 2, /**< \internal Number of reset ports */
77
78/**
79 * List of supported hardware features.
80 */
81#define OPENTITAN_RV_DM_HAS_JTAG_FSM 1
82#define OPENTITAN_RV_DM_HAS_JTAG_DTM 1
83#define OPENTITAN_RV_DM_HAS_DBG_DATA_REGS 1
84#define OPENTITAN_RV_DM_HAS_DBG_DMCONTROL_REG 1
85#define OPENTITAN_RV_DM_HAS_DBG_DMSTATUS_REG 1
86#define OPENTITAN_RV_DM_HAS_DBG_HARTINFO_REG 1
87#define OPENTITAN_RV_DM_HAS_DBG_HALTSUM0_REG 1
88#define OPENTITAN_RV_DM_HAS_DBG_ABSTRACT_COMMAND 1
89#define OPENTITAN_RV_DM_HAS_DBG_PROGBUF 1
90#define OPENTITAN_RV_DM_HAS_DBG_SBA 1
91#define OPENTITAN_RV_DM_HAS_DBG_NDM_RESET 1
92#define OPENTITAN_RV_DM_HAS_DBG_GDB 1
93
94
95
96/**
97 * Get the rv_dm instance from an instance ID
98 *
99 * For example, `dt_uart_from_instance_id(kDtInstanceIdUart3) == kDtUart3`.
100 *
101 * @param inst_id Instance ID.
102 * @return A rv_dm instance.
103 *
104 * **Note:** This function only makes sense if the instance ID has device type rv_dm,
105 * otherwise the returned value is unspecified.
106 */
108
109/**
110 * Get the instance ID of an instance.
111 *
112 * @param dt Instance of rv_dm.
113 * @return The instance ID of that instance.
114 */
116
117/**
118 * Get the register base address of an instance.
119 *
120 * @param dt Instance of rv_dm.
121 * @param reg_block The register block requested.
122 * @return The register base address of the requested block.
123 */
124uint32_t dt_rv_dm_reg_block(
125 dt_rv_dm_t dt,
126 dt_rv_dm_reg_block_t reg_block);
127
128/**
129 * Get the primary register base address of an instance.
130 *
131 * This is just a convenience function, equivalent to
132 * `dt_rv_dm_reg_block(dt, kDtRvDmRegBlockRegs)`
133 *
134 * @param dt Instance of rv_dm.
135 * @return The register base address of the primary register block.
136 */
137static inline uint32_t dt_rv_dm_primary_reg_block(
138 dt_rv_dm_t dt) {
139 return dt_rv_dm_reg_block(dt, kDtRvDmRegBlockRegs);
140}
141
142
143/**
144 * Get the alert ID of a rv_dm alert for a given instance.
145 *
146 * **Note:** This function only makes sense if the instance is connected to the Alert Handler. For any
147 * instances where the instance is not connected, the return value is unspecified.
148 *
149 * @param dt Instance of rv_dm.
150 * @param alert A rv_dm alert.
151 * @return The Alert Handler alert ID of the alert of this instance.
152 */
154 dt_rv_dm_t dt,
155 dt_rv_dm_alert_t alert);
156
157/**
158 * Convert a global alert ID to a local rv_dm alert type.
159 *
160 * @param dt Instance of rv_dm.
161 * @param alert A global alert ID that belongs to this instance.
162 * @return The rv_dm alert, or `kDtRvDmAlertCount`.
163 *
164 * **Note:** This function assumes that the global alert ID belongs to the
165 * instance of rv_dm passed in parameter. In other words, it must be the case
166 * that `dt_rv_dm_instance_id(dt) == dt_alert_id_to_instance_id(alert)`. Otherwise,
167 * this function will return `kDtRvDmAlertCount`.
168 */
170 dt_rv_dm_t dt,
171 dt_alert_id_t alert);
172
173
174
175/**
176 * Get the clock signal connected to a clock port of an instance.
177 *
178 * @param dt Instance of rv_dm.
179 * @param clk Clock port.
180 * @return Clock signal.
181 */
183 dt_rv_dm_t dt,
184 dt_rv_dm_clock_t clk);
185
186/**
187 * Get the reset signal connected to a reset port of an instance.
188 *
189 * @param dt Instance of rv_dm.
190 * @param rst Reset port.
191 * @return Reset signal.
192 */
194 dt_rv_dm_t dt,
195 dt_rv_dm_reset_t rst);
196
197
198
199#endif // OPENTITAN_DT_RV_DM_H_