src/rp2350/hardware_structs/include/hardware/structs/sha256.h (PicoSDK)

// THIS HEADER FILE IS AUTOMATICALLY GENERATED -- DO NOT EDIT /** * Copyright (c) 2024 Raspberry Pi Ltd. * * SPDX-License-Identifier: BSD-3-Clause */ #ifndef _HARDWARE_STRUCTS_SHA256_H #define _HARDWARE_STRUCTS_SHA256_H /** * \file rp2350/sha256.h */ #include "hardware/address_mapped.h" #include "hardware/regs/sha256.h" // Reference to datasheet: https://datasheets.raspberrypi.com/rp2350/rp2350-datasheet.pdf#tab-registerlist_sha256 // // 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/sha256.h. // // Bit-field descriptions are of the form: // BITMASK [BITRANGE] FIELDNAME (RESETVALUE) DESCRIPTION typedef struct { _REG_(SHA256_CSR_OFFSET) // SHA256_CSR // Control and status register // 0x00001000 [12] BSWAP (1) Enable byte swapping of 32-bit values at the point they... // 0x00000300 [9:8] DMA_SIZE (0x2) Configure DREQ logic for the correct DMA data size // 0x00000010 [4] ERR_WDATA_NOT_RDY (0) Set when a write occurs whilst the SHA-256 core is not... // 0x00000004 [2] SUM_VLD (1) If 1, the SHA-256 checksum presented in registers SUM0... // 0x00000002 [1] WDATA_RDY (1) If 1, the SHA-256 core is ready to accept more data... // 0x00000001 [0] START (0) Write 1 to prepare the SHA-256 core for a new checksum io_rw_32 csr; _REG_(SHA256_WDATA_OFFSET) // SHA256_WDATA // Write data register // 0xffffffff [31:0] WDATA (0x00000000) After pulsing START and writing 16 words of data to this... io_wo_32 wdata; // (Description copied from array index 0 register SHA256_SUM0 applies similarly to other array indexes) _REG_(SHA256_SUM0_OFFSET) // SHA256_SUM0 // 256-bit checksum result // 0xffffffff [31:0] SUM0 (0x00000000) io_ro_32 sum[8]; } sha256_hw_t; #define sha256_hw ((sha256_hw_t *)SHA256_BASE) static_assert(sizeof (sha256_hw_t) == 0x0028, ""); #endif // _HARDWARE_STRUCTS_SHA256_H