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authorKevin O'Connor <kevin@koconnor.net>2024-10-25 14:08:46 -0400
committerKevin O'Connor <kevin@koconnor.net>2024-11-13 14:25:59 -0500
commitf00919070edfe318896827e5ed1ebb4cc7e40361 (patch)
treea306571f749750716d79a745bad64c53e9e64330 /lib/pico-sdk/rp2350/hardware/structs/systick.h
parent2ad0b1afc2f91010978a5acf9a8267df312210c4 (diff)
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lib: Add rp2350 files to pico-sdk
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
Diffstat (limited to 'lib/pico-sdk/rp2350/hardware/structs/systick.h')
-rw-r--r--lib/pico-sdk/rp2350/hardware/structs/systick.h62
1 files changed, 62 insertions, 0 deletions
diff --git a/lib/pico-sdk/rp2350/hardware/structs/systick.h b/lib/pico-sdk/rp2350/hardware/structs/systick.h
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+++ b/lib/pico-sdk/rp2350/hardware/structs/systick.h
@@ -0,0 +1,62 @@
+// THIS HEADER FILE IS AUTOMATICALLY GENERATED -- DO NOT EDIT
+
+/**
+ * Copyright (c) 2024 Raspberry Pi Ltd.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+#ifndef _HARDWARE_STRUCTS_SYSTICK_H
+#define _HARDWARE_STRUCTS_SYSTICK_H
+
+/**
+ * \file rp2350/systick.h
+ */
+
+#include "hardware/address_mapped.h"
+#include "hardware/regs/m33.h"
+
+// Reference to datasheet: https://datasheets.raspberrypi.com/rp2350/rp2350-datasheet.pdf#tab-registerlist_m33
+//
+// 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/m33.h.
+//
+// Bit-field descriptions are of the form:
+// BITMASK [BITRANGE] FIELDNAME (RESETVALUE) DESCRIPTION
+
+#if defined(__riscv) && PICO_FORBID_ARM_HEADERS_ON_RISCV
+#error "Arm header included in a RISC-V build with PICO_FORBID_ARM_HEADERS_ON_RISCV=1"
+#endif
+
+typedef struct {
+ _REG_(M33_SYST_CSR_OFFSET) // M33_SYST_CSR
+ // SysTick Control and Status Register
+ // 0x00010000 [16] COUNTFLAG (0) Returns 1 if timer counted to 0 since last time this was read
+ // 0x00000004 [2] CLKSOURCE (0) SysTick clock source
+ // 0x00000002 [1] TICKINT (0) Enables SysTick exception request: +
+ // 0x00000001 [0] ENABLE (0) Enable SysTick counter: +
+ io_rw_32 csr;
+
+ _REG_(M33_SYST_RVR_OFFSET) // M33_SYST_RVR
+ // SysTick Reload Value Register
+ // 0x00ffffff [23:0] RELOAD (0x000000) Value to load into the SysTick Current Value Register...
+ io_rw_32 rvr;
+
+ _REG_(M33_SYST_CVR_OFFSET) // M33_SYST_CVR
+ // SysTick Current Value Register
+ // 0x00ffffff [23:0] CURRENT (0x000000) Reads return the current value of the SysTick counter
+ io_rw_32 cvr;
+
+ _REG_(M33_SYST_CALIB_OFFSET) // M33_SYST_CALIB
+ // SysTick Calibration Value Register
+ // 0x80000000 [31] NOREF (0) If reads as 1, the Reference clock is not provided - the...
+ // 0x40000000 [30] SKEW (0) If reads as 1, the calibration value for 10ms is inexact...
+ // 0x00ffffff [23:0] TENMS (0x000000) An optional Reload value to be used for 10ms (100Hz)...
+ io_ro_32 calib;
+} systick_hw_t;
+
+#define systick_hw ((systick_hw_t *)(PPB_BASE + M33_SYST_CSR_OFFSET))
+#define systick_ns_hw ((systick_hw_t *)(PPB_NONSEC_BASE + M33_SYST_CSR_OFFSET))
+static_assert(sizeof (systick_hw_t) == 0x0010, "");
+
+#endif // _HARDWARE_STRUCTS_SYSTICK_H
+