lib: Add rp2350 files to pico-sdk

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>

1 files changed, 53 insertions, 0 deletions

diff --git a/lib/pico-sdk/rp2350/hardware/structs/sha256.h b/lib/pico-sdk/rp2350/hardware/structs/sha256.h
new file mode 100644
index 00000000..248a00ab
--- /dev/null
+++ b/lib/pico-sdk/rp2350/hardware/structs/sha256.h
@@ -0,0 +1,53 @@
+// 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
+