From cc0969dd0539c7bcc89652a793d7ccfc0c3b0fcd Mon Sep 17 00:00:00 2001 From: Kevin O'Connor Date: Sat, 19 Jun 2021 20:05:48 -0400 Subject: lib: Add rp2040 build files Signed-off-by: Kevin O'Connor --- lib/rp2040/hardware/structs/scb.h | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 lib/rp2040/hardware/structs/scb.h (limited to 'lib/rp2040/hardware/structs/scb.h') diff --git a/lib/rp2040/hardware/structs/scb.h b/lib/rp2040/hardware/structs/scb.h new file mode 100644 index 00000000..b48a8725 --- /dev/null +++ b/lib/rp2040/hardware/structs/scb.h @@ -0,0 +1,24 @@ +/* + * Copyright (c) 2020 Raspberry Pi (Trading) Ltd. + * + * SPDX-License-Identifier: BSD-3-Clause + */ +#ifndef _HARDWARE_STRUCTS_SCB_H +#define _HARDWARE_STRUCTS_SCB_H + +#include "hardware/address_mapped.h" +#include "hardware/regs/m0plus.h" + +// SCB == System Control Block +typedef struct { + io_ro_32 cpuid; + io_rw_32 icsr; + io_rw_32 vtor; + io_rw_32 aircr; + io_rw_32 scr; + // ... +} armv6m_scb_t; + +#define scb_hw ((armv6m_scb_t *const)(PPB_BASE + M0PLUS_CPUID_OFFSET)) + +#endif -- cgit v1.2.3-70-g09d2