RTEMS 6.1-rc4
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system_same70.h
1/* ---------------------------------------------------------------------------- */
2/* Atmel Microcontroller Software Support */
3/* SAM Software Package License */
4/* ---------------------------------------------------------------------------- */
5/* Copyright (c) 2015, Atmel Corporation */
6/* */
7/* All rights reserved. */
8/* */
9/* Redistribution and use in source and binary forms, with or without */
10/* modification, are permitted provided that the following condition is met: */
11/* */
12/* - Redistributions of source code must retain the above copyright notice, */
13/* this list of conditions and the disclaimer below. */
14/* */
15/* Atmel's name may not be used to endorse or promote products derived from */
16/* this software without specific prior written permission. */
17/* */
18/* DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR */
19/* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */
20/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE */
21/* DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT, */
22/* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT */
23/* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, */
24/* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF */
25/* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING */
26/* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, */
27/* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
28/* ---------------------------------------------------------------------------- */
29
30#ifndef SYSTEM_SAME70_H_INCLUDED
31#define SYSTEM_SAME70_H_INCLUDED
32#ifdef __rtems__
33#include <bsp/atsam-clock-config.h>
34#endif /* __rtems__ */
35
36/* @cond 0 */
38#ifdef __cplusplus
39extern "C" {
40#endif
42/* @endcond */
43
44#include <stdint.h>
45
46extern uint32_t SystemCoreClock; /* System Clock Frequency (Core Clock) */
47
52#ifndef __rtems__
53void SystemInit(void);
54#else /* __rtems__ */
55void ATSAM_START_SRAM_SECTION SystemInit(void);
56#endif /* __rtems__ */
57
62void SystemCoreClockUpdate(void);
63
67void system_init_flash(uint32_t dw_clk);
68
69void sysclk_enable_usb(void);
70void sysclk_disable_usb(void);
71
72/* @cond 0 */
74#ifdef __cplusplus
75}
76#endif
78/* @endcond */
79
80#endif /* SYSTEM_SAME70_H_INCLUDED */
uint32_t SystemCoreClock
System clock frequency (core clock)
Definition: system_samv71.c:69
void SystemInit(void)
Setup the microcontroller system. Initialize the System and update the SystemCoreClock variable.
Definition: system_samv71.c:82
void SystemCoreClockUpdate(void)
Updates the SystemCoreClock with current core Clock retrieved from cpu registers.
Definition: system_samv71.c:158