| // THIS HEADER FILE IS AUTOMATICALLY GENERATED -- DO NOT EDIT |
| |
| /** |
| * Copyright (c) 2024 Raspberry Pi Ltd. |
| * |
| * SPDX-License-Identifier: BSD-3-Clause |
| */ |
| #ifndef _HARDWARE_STRUCTS_WATCHDOG_H |
| #define _HARDWARE_STRUCTS_WATCHDOG_H |
| |
| /** |
| * \file rp2040/watchdog.h |
| */ |
| |
| #include "hardware/address_mapped.h" |
| #include "hardware/regs/watchdog.h" |
| |
| // Reference to datasheet: https://datasheets.raspberrypi.com/rp2040/rp2040-datasheet.pdf#tab-registerlist_watchdog |
| // |
| // The _REG_ macro is intended to help make the register navigable in your IDE (for example, using the "Go to Definition" feature) |
| // _REG_(x) will link to the corresponding register in hardware/regs/watchdog.h. |
| // |
| // Bit-field descriptions are of the form: |
| // BITMASK [BITRANGE] FIELDNAME (RESETVALUE) DESCRIPTION |
| |
| typedef struct { |
| _REG_(WATCHDOG_CTRL_OFFSET) // WATCHDOG_CTRL |
| // Watchdog control |
| // 0x80000000 [31] TRIGGER (0) Trigger a watchdog reset |
| // 0x40000000 [30] ENABLE (0) When not enabled the watchdog timer is paused |
| // 0x04000000 [26] PAUSE_DBG1 (1) Pause the watchdog timer when processor 1 is in debug mode |
| // 0x02000000 [25] PAUSE_DBG0 (1) Pause the watchdog timer when processor 0 is in debug mode |
| // 0x01000000 [24] PAUSE_JTAG (1) Pause the watchdog timer when JTAG is accessing the bus fabric |
| // 0x00ffffff [23:0] TIME (0x000000) Indicates the number of ticks / 2 (see errata RP2040-E1)... |
| io_rw_32 ctrl; |
| |
| _REG_(WATCHDOG_LOAD_OFFSET) // WATCHDOG_LOAD |
| // Load the watchdog timer. |
| // 0x00ffffff [23:0] LOAD (0x000000) |
| io_wo_32 load; |
| |
| _REG_(WATCHDOG_REASON_OFFSET) // WATCHDOG_REASON |
| // Logs the reason for the last reset. |
| // 0x00000002 [1] FORCE (0) |
| // 0x00000001 [0] TIMER (0) |
| io_ro_32 reason; |
| |
| // (Description copied from array index 0 register WATCHDOG_SCRATCH0 applies similarly to other array indexes) |
| _REG_(WATCHDOG_SCRATCH0_OFFSET) // WATCHDOG_SCRATCH0 |
| // Scratch register |
| // 0xffffffff [31:0] SCRATCH0 (0x00000000) |
| io_rw_32 scratch[8]; |
| |
| _REG_(WATCHDOG_TICK_OFFSET) // WATCHDOG_TICK |
| // Controls the tick generator |
| // 0x000ff800 [19:11] COUNT (-) Count down timer: the remaining number clk_tick cycles... |
| // 0x00000400 [10] RUNNING (-) Is the tick generator running? |
| // 0x00000200 [9] ENABLE (1) start / stop tick generation |
| // 0x000001ff [8:0] CYCLES (0x000) Total number of clk_tick cycles before the next tick |
| io_rw_32 tick; |
| } watchdog_hw_t; |
| |
| #define watchdog_hw ((watchdog_hw_t *)WATCHDOG_BASE) |
| static_assert(sizeof (watchdog_hw_t) == 0x0030, ""); |
| |
| #endif // _HARDWARE_STRUCTS_WATCHDOG_H |
| |