lib: Add rp2040 build files

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

1 files changed, 61 insertions, 0 deletions

diff --git a/lib/rp2040/hardware/structs/sio.h b/lib/rp2040/hardware/structs/sio.h
new file mode 100644
index 00000000..bc277afc
--- /dev/null
+++ b/lib/rp2040/hardware/structs/sio.h
@@ -0,0 +1,61 @@
+/*
+ * Copyright (c) 2020 Raspberry Pi (Trading) Ltd.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef _HARDWARE_STRUCTS_SIO_H
+#define _HARDWARE_STRUCTS_SIO_H
+
+#include "hardware/address_mapped.h"
+#include "hardware/regs/sio.h"
+#include "hardware/structs/interp.h"
+
+typedef struct {
+    io_ro_32 cpuid;
+    io_ro_32 gpio_in;
+    io_ro_32 gpio_hi_in;
+    uint32_t _pad;
+
+    io_rw_32 gpio_out;
+    io_wo_32 gpio_set;
+    io_wo_32 gpio_clr;
+    io_wo_32 gpio_togl;
+
+    io_wo_32 gpio_oe;
+    io_wo_32 gpio_oe_set;
+    io_wo_32 gpio_oe_clr;
+    io_wo_32 gpio_oe_togl;
+
+    io_rw_32 gpio_hi_out;
+    io_wo_32 gpio_hi_set;
+    io_wo_32 gpio_hi_clr;
+    io_wo_32 gpio_hi_togl;
+
+    io_wo_32 gpio_hi_oe;
+    io_wo_32 gpio_hi_oe_set;
+    io_wo_32 gpio_hi_oe_clr;
+    io_wo_32 gpio_hi_oe_togl;
+
+    io_rw_32 fifo_st;
+    io_wo_32 fifo_wr;
+    io_ro_32 fifo_rd;
+    io_ro_32 spinlock_st;
+
+    io_rw_32 div_udividend;
+    io_rw_32 div_udivisor;
+    io_rw_32 div_sdividend;
+    io_rw_32 div_sdivisor;
+
+    io_rw_32 div_quotient;
+    io_rw_32 div_remainder;
+    io_rw_32 div_csr;
+
+    uint32_t _pad2;
+
+    interp_hw_t interp[2];
+} sio_hw_t;
+
+#define sio_hw ((sio_hw_t *)SIO_BASE)
+
+#endif