Software APIs
dt_pwrmgr.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_PWRMGR_H_
8#define OPENTITAN_DT_PWRMGR_H_
9
10/**
11 * @file
12 * @brief Device Tables (DT) for IP pwrmgr and top earlgrey.
13 *
14 * This file contains the type definitions and global functions of the pwrmgr.
15 */
16
17#include "dt_api.h"
18#include <stdint.h>
19
20
21
22
23
24/**
25 * List of instances.
26 */
27typedef enum dt_pwrmgr {
28 kDtPwrmgrAon = 0, /**< pwrmgr_aon */
29 kDtPwrmgrFirst = 0, /**< \internal First instance */
30 kDtPwrmgrCount = 1, /**< \internal Number of instances */
32
33/**
34 * List of register blocks.
35 *
36 * Register blocks are guaranteed to start at 0 and to be consecutively numbered.
37 */
38typedef enum dt_pwrmgr_reg_block {
39 kDtPwrmgrRegBlockCore = 0, /**< */
40 kDtPwrmgrRegBlockCount = 1, /**< \internal Number of register blocks */
42
43/** Primary register block (associated with the "primary" set of registers that control the IP). */
44static const dt_pwrmgr_reg_block_t kDtPwrmgrRegBlockPrimary = kDtPwrmgrRegBlockCore;
45
46/**
47 * List of IRQs.
48 *
49 * IRQs are guaranteed to be numbered consecutively from 0.
50 */
51typedef enum dt_pwrmgr_irq {
52 kDtPwrmgrIrqWakeup = 0, /**< Wake from low power state. See wake info for more details */
53 kDtPwrmgrIrqCount = 1, /**< \internal Number of IRQs */
55
56/**
57 * List of Alerts.
58 *
59 * Alerts are guaranteed to be numbered consecutively from 0.
60 */
61typedef enum dt_pwrmgr_alert {
62 kDtPwrmgrAlertFatalFault = 0, /**< This fatal alert is triggered when a fatal TL-UL bus integrity fault is detected. */
63 kDtPwrmgrAlertCount = 1, /**< \internal Number of Alerts */
65
66/**
67 * List of clock ports.
68 *
69 * Clock ports are guaranteed to be numbered consecutively from 0.
70 */
71typedef enum dt_pwrmgr_clock {
72 kDtPwrmgrClockClk = 0, /**< Clock port clk_i */
73 kDtPwrmgrClockSlow = 1, /**< Clock port clk_slow_i */
74 kDtPwrmgrClockLc = 2, /**< Clock port clk_lc_i */
75 kDtPwrmgrClockEsc = 3, /**< Clock port clk_esc_i */
76 kDtPwrmgrClockCount = 4, /**< \internal Number of clock ports */
78
79/**
80 * List of reset ports.
81 *
82 * Reset ports are guaranteed to be numbered consecutively from 0.
83 */
84typedef enum dt_pwrmgr_reset {
85 kDtPwrmgrResetRst = 0, /**< Reset port rst_ni */
86 kDtPwrmgrResetMain = 1, /**< Reset port rst_main_ni */
87 kDtPwrmgrResetSlow = 2, /**< Reset port rst_slow_ni */
88 kDtPwrmgrResetLc = 3, /**< Reset port rst_lc_ni */
89 kDtPwrmgrResetEsc = 4, /**< Reset port rst_esc_ni */
90 kDtPwrmgrResetCount = 5, /**< \internal Number of reset ports */
92
93/**
94 * List of supported hardware features.
95 */
96#define OPENTITAN_PWRMGR_HAS_STARTUP_LIFE_CYCLE_INITIALIZATION 1
97#define OPENTITAN_PWRMGR_HAS_CLOCK_CONTROL_IO_IN_LOW_POWER 1
98#define OPENTITAN_PWRMGR_HAS_CLOCK_CONTROL_MAIN_IN_LOW_POWER 1
99#define OPENTITAN_PWRMGR_HAS_CLOCK_CONTROL_USB_IN_LOW_POWER 1
100#define OPENTITAN_PWRMGR_HAS_CLOCK_CONTROL_USB_WHEN_ACTIVE 1
101#define OPENTITAN_PWRMGR_HAS_LOW_POWER_ENTRY 1
102#define OPENTITAN_PWRMGR_HAS_LOW_POWER_DISABLE_POWER 1
103#define OPENTITAN_PWRMGR_HAS_LOW_POWER_SYSRST_CTRL_AON_WKUP_REQ_WAKEUP_ENABLE 1
104#define OPENTITAN_PWRMGR_HAS_LOW_POWER_SYSRST_CTRL_AON_WKUP_REQ_WAKEUP_REQUEST 1
105#define OPENTITAN_PWRMGR_HAS_LOW_POWER_ADC_CTRL_AON_WKUP_REQ_WAKEUP_ENABLE 1
106#define OPENTITAN_PWRMGR_HAS_LOW_POWER_ADC_CTRL_AON_WKUP_REQ_WAKEUP_REQUEST 1
107#define OPENTITAN_PWRMGR_HAS_LOW_POWER_PINMUX_AON_PIN_WKUP_REQ_WAKEUP_ENABLE 1
108#define OPENTITAN_PWRMGR_HAS_LOW_POWER_PINMUX_AON_PIN_WKUP_REQ_WAKEUP_REQUEST 1
109#define OPENTITAN_PWRMGR_HAS_LOW_POWER_PINMUX_AON_USB_WKUP_REQ_WAKEUP_ENABLE 1
110#define OPENTITAN_PWRMGR_HAS_LOW_POWER_PINMUX_AON_USB_WKUP_REQ_WAKEUP_REQUEST 1
111#define OPENTITAN_PWRMGR_HAS_LOW_POWER_AON_TIMER_AON_WKUP_REQ_WAKEUP_ENABLE 1
112#define OPENTITAN_PWRMGR_HAS_LOW_POWER_AON_TIMER_AON_WKUP_REQ_WAKEUP_REQUEST 1
113#define OPENTITAN_PWRMGR_HAS_LOW_POWER_SENSOR_CTRL_AON_WKUP_REQ_WAKEUP_ENABLE 1
114#define OPENTITAN_PWRMGR_HAS_LOW_POWER_SENSOR_CTRL_AON_WKUP_REQ_WAKEUP_REQUEST 1
115#define OPENTITAN_PWRMGR_HAS_LOW_POWER_WAKE_INFO 1
116#define OPENTITAN_PWRMGR_HAS_RESET_CHECK_ROM_INTEGRITY 1
117#define OPENTITAN_PWRMGR_HAS_RESET_SYSRST_CTRL_AON_RST_REQ_ENABLE 1
118#define OPENTITAN_PWRMGR_HAS_RESET_SYSRST_CTRL_AON_RST_REQ_REQUEST 1
119#define OPENTITAN_PWRMGR_HAS_RESET_AON_TIMER_AON_AON_TIMER_RST_REQ_ENABLE 1
120#define OPENTITAN_PWRMGR_HAS_RESET_AON_TIMER_AON_AON_TIMER_RST_REQ_REQUEST 1
121#define OPENTITAN_PWRMGR_HAS_RESET_ESCALATION_REQUEST 1
122#define OPENTITAN_PWRMGR_HAS_RESET_ESCALATION_TIMEOUT 1
123#define OPENTITAN_PWRMGR_HAS_RESET_SW_RST_REQUEST 1
124#define OPENTITAN_PWRMGR_HAS_RESET_MAIN_POWER_GLITCH_RESET 1
125#define OPENTITAN_PWRMGR_HAS_RESET_NDM_RESET_REQUEST 1
126#define OPENTITAN_PWRMGR_HAS_RESET_POR_REQUEST 1
127
128
129
130/**
131 * Get the pwrmgr instance from an instance ID
132 *
133 * For example, `dt_uart_from_instance_id(kDtInstanceIdUart3) == kDtUart3`.
134 *
135 * @param inst_id Instance ID.
136 * @return A pwrmgr instance.
137 *
138 * **Note:** This function only makes sense if the instance ID has device type pwrmgr,
139 * otherwise the returned value is unspecified.
140 */
142
143/**
144 * Get the instance ID of an instance.
145 *
146 * @param dt Instance of pwrmgr.
147 * @return The instance ID of that instance.
148 */
150
151/**
152 * Get the register base address of an instance.
153 *
154 * @param dt Instance of pwrmgr.
155 * @param reg_block The register block requested.
156 * @return The register base address of the requested block.
157 */
158uint32_t dt_pwrmgr_reg_block(
159 dt_pwrmgr_t dt,
160 dt_pwrmgr_reg_block_t reg_block);
161
162/**
163 * Get the primary register base address of an instance.
164 *
165 * This is just a convenience function, equivalent to
166 * `dt_pwrmgr_reg_block(dt, kDtPwrmgrRegBlockCore)`
167 *
168 * @param dt Instance of pwrmgr.
169 * @return The register base address of the primary register block.
170 */
171static inline uint32_t dt_pwrmgr_primary_reg_block(
172 dt_pwrmgr_t dt) {
173 return dt_pwrmgr_reg_block(dt, kDtPwrmgrRegBlockCore);
174}
175
176/**
177 * Get the PLIC ID of a pwrmgr IRQ for a given instance.
178 *
179 * If the instance is not connected to the PLIC, this function
180 * will return `kDtPlicIrqIdNone`.
181 *
182 * @param dt Instance of pwrmgr.
183 * @param irq A pwrmgr IRQ.
184 * @return The PLIC ID of the IRQ of this instance.
185 */
187 dt_pwrmgr_t dt,
188 dt_pwrmgr_irq_t irq);
189
190/**
191 * Convert a global IRQ ID to a local pwrmgr IRQ type.
192 *
193 * @param dt Instance of pwrmgr.
194 * @param irq A PLIC ID that belongs to this instance.
195 * @return The pwrmgr IRQ, or `kDtPwrmgrIrqCount`.
196 *
197 * **Note:** This function assumes that the PLIC ID belongs to the instance
198 * of pwrmgr passed in parameter. In other words, it must be the case that
199 * `dt_pwrmgr_instance_id(dt) == dt_plic_id_to_instance_id(irq)`. Otherwise, this function
200 * will return `kDtPwrmgrIrqCount`.
201 */
203 dt_pwrmgr_t dt,
204 dt_plic_irq_id_t irq);
205
206
207/**
208 * Get the alert ID of a pwrmgr alert for a given instance.
209 *
210 * **Note:** This function only makes sense if the instance is connected to the Alert Handler. For any
211 * instances where the instance is not connected, the return value is unspecified.
212 *
213 * @param dt Instance of pwrmgr.
214 * @param alert A pwrmgr alert.
215 * @return The Alert Handler alert ID of the alert of this instance.
216 */
218 dt_pwrmgr_t dt,
219 dt_pwrmgr_alert_t alert);
220
221/**
222 * Convert a global alert ID to a local pwrmgr alert type.
223 *
224 * @param dt Instance of pwrmgr.
225 * @param alert A global alert ID that belongs to this instance.
226 * @return The pwrmgr alert, or `kDtPwrmgrAlertCount`.
227 *
228 * **Note:** This function assumes that the global alert ID belongs to the
229 * instance of pwrmgr passed in parameter. In other words, it must be the case
230 * that `dt_pwrmgr_instance_id(dt) == dt_alert_id_to_instance_id(alert)`. Otherwise,
231 * this function will return `kDtPwrmgrAlertCount`.
232 */
234 dt_pwrmgr_t dt,
235 dt_alert_id_t alert);
236
237
238
239/**
240 * Get the clock signal connected to a clock port of an instance.
241 *
242 * @param dt Instance of pwrmgr.
243 * @param clk Clock port.
244 * @return Clock signal.
245 */
247 dt_pwrmgr_t dt,
249
250/**
251 * Get the reset signal connected to a reset port of an instance.
252 *
253 * @param dt Instance of pwrmgr.
254 * @param rst Reset port.
255 * @return Reset signal.
256 */
258 dt_pwrmgr_t dt,
260
261
262
263/**
264 * Description of a wakeup source.
265 *
266 * A wakeup source is always identified by the instance ID of the module where it comes from.
267 * Some instances can have several wakeup signals, e.g. the pinmux has two (`pin` and `usb`).
268 * For such IPs, it is not sufficient to know the instance, we also need to know which
269 * signal triggered the wakeup. The `wakeup` index can be used to distinguish between those.
270 * This value should be casted to the `dt_<ip>_wakeup_t` type of the corresponding IP.
271 * For example, if the `pwrmgr` has two `pinmux` wakeup sources as described above, it's
272 * two wakeup sources will be described as follows:
273 * ```c
274 * {.inst_id = kDtInstanceIdPinmux, .wakeup = kDtPinmuxWakeupPinWkupReq}, // for `pin`
275 * {.inst_id = kDtInstanceIdPinmux, .wakeup = kDtPinmuxWakeupUsbWkupReq}, // for `usb`
276 * ```
277 */
278typedef struct dt_pwrmgr_wakeup_src {
279 dt_instance_id_t inst_id; /**< Instance ID of the source of this wakeup. */
280 size_t wakeup; /**< Index of the wakeup signal for that instance. */
282
283
284/**
285 * Get the number of wakeup sources.
286 *
287 * @param dt Instance of pwrmgr.
288 * @return Number of wakeup sources.
289 */
291
292/**
293 * Get the description of a wakeup source.
294 *
295 * The wakeup sources are ordered as they appear in the registers.
296 *
297 * @param dt Instance of pwrmgr.
298 * @param idx Index of the wakeup source, between 0 and `dt_pwrmgr_wakeup_src_count(dt)-1`.
299 * @return Description of the source.
300 */
302
303/**
304 * Description of a reset request source.
305 *
306 * A reset request source is always identified by the instance ID of the module where it comes
307 * from. In principle, some instances could have several reset requests. If this is the case,
308 * the `rst_req` can be used to distinguish between those. It should be cast to the
309 * `dt_<ip>_reset_req_t` type of the corresponding IP.
310 */
312 dt_instance_id_t inst_id; /**< Instance ID of the source of this reset request. */
313 size_t reset_req; /**< Index of the reset request signal for that instance. */
315
316
317/**
318 * Get the number of peripheral reset requests.
319 *
320 * @param dt Instance of pwrmgr.
321 * @return Number of reset requests.
322 */
324
325/**
326 * Get the description of a reset request.
327 *
328 * The reset requests are ordered as they appear in the registers.
329 *
330 * @param dt Instance of pwrmgr.
331 * @param idx Index of the reset request source, between 0 and
332 * `dt_pwrmgr_reset_request_src_count(dt)-1`.
333 * @return Description of the reset.
334 */
336
337
338
339#endif // OPENTITAN_DT_PWRMGR_H_