RTEMS: bsps/arm/atsam/include/libchip/include/pmc.h Source File

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pmc.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 _PMC_
31#define _PMC_
32
33/*----------------------------------------------------------------------------
34 * Headers
35 *----------------------------------------------------------------------------*/
36#include <stdint.h>
37
38
39/*----------------------------------------------------------------------------
40 * Definitions
41 *----------------------------------------------------------------------------*/
42/* Definition for fast RC frequency */
43#define FAST_RC_4MHZ CKGR_MOR_MOSCRCF_4MHz
44#define FAST_RC_8MHZ CKGR_MOR_MOSCRCF_8MHz
45#define FAST_RC_12MHZ CKGR_MOR_MOSCRCF_12MHz
46
47/* Definitions for startup count.
48 * Note: 1 count unit stand for: 1 / 32768 * 8 = 244 us
49 */
50/* Default startup count for 4/8/12MHz fast RC (startup time: 10us) */
51#define DEFAUTL_FAST_RC_COUNT 1
52/* Default startup count for 3-20MHz main oscillator (startup time: 1.4ms) */
53#define DEFAUTL_MAIN_OSC_COUNT 8
54/* Default startup count for PLLA (startup time: 200us) */
55#define DEFAUTL_PLLA_COUNT 1
56/* Default startup count for UPLL */
57#define DEFAUTL_UPLL_COUNT 3
58/* No change for default startup count */
59#define DEFAUTL_COUNT_NO_CHANGE 0xFFFF
60
61
62/*----------------------------------------------------------------------------
63 * Exported functions
64 *----------------------------------------------------------------------------*/
65
66#ifdef __cplusplus
67extern "C" {
68#endif
69
70extern void PMC_EnablePeripheral(uint32_t dwId);
71extern void PMC_DisablePeripheral(uint32_t dwId);
72
73extern void PMC_EnableAllPeripherals(void);
74extern void PMC_DisableAllPeripherals(void);
75
76extern uint32_t PMC_IsPeriphEnabled(uint32_t dwId);
77
78extern void PMC_SelectExtOsc(void);
79extern void PMC_EnableExtOsc(void);
80extern void PMC_DisableExtOsc(void);
81extern void PMC_SelectExtBypassOsc(void);
82extern void PMC_EnableIntRC4_8_12MHz(uint32_t fastRcFreq);
83extern void PMC_DisableIntRC4_8_12MHz(void);
84extern void PMC_SetPllaClock(uint32_t mul, uint32_t div);
85extern void PMC_SetPllbClock(uint32_t mul, uint32_t div);
86extern void PMC_SetMckSelection(uint32_t clockSource, uint32_t prescaler);
87extern void PMC_DisableAllClocks(void);
88extern void PMC_ConfigureMckWithPlla(uint32_t mul, uint32_t div,
89 uint32_t prescaler);
90extern void PMC_ConfigureMckWithPllb(uint32_t mul, uint32_t div,
91 uint32_t prescaler);
92extern void PMC_EnableXT32KFME(void);
93extern void PMC_ConfigurePCK0(uint32_t MasterClk, uint32_t prescaler);
94extern void PMC_ConfigurePCK1(uint32_t MasterClk, uint32_t prescaler);
95extern void PMC_ConfigurePCK2(uint32_t MasterClk, uint32_t prescaler);
96
97#ifdef __cplusplus
98}
99#endif
100
101#endif /* #ifndef _PMC_ */
PMC_SetPllaClock
void PMC_SetPllaClock(uint32_t mul, uint32_t div)
Configure PLLA clock by giving MUL and DIV. Disable PLLA when 'mul' set to 0.
Definition: pmc.c:418
PMC_DisableExtOsc
void PMC_DisableExtOsc(void)
Disable external 12MHz oscillator.
Definition: pmc.c:296
PMC_SelectExtBypassOsc
void PMC_SelectExtBypassOsc(void)
Select external OSC.
Definition: pmc.c:341
PMC_IsPeriphEnabled
uint32_t PMC_IsPeriphEnabled(uint32_t dwId)
Get Periph Status for the given peripheral ID.
Definition: pmc.c:243
PMC_EnableAllPeripherals
void PMC_EnableAllPeripherals(void)
Enable all the periph clock via PMC.
Definition: pmc.c:209
PMC_DisableIntRC4_8_12MHz
void PMC_DisableIntRC4_8_12MHz(void)
Disable internal 4/8/12MHz fast RC.
Definition: pmc.c:398
PMC_DisablePeripheral
void PMC_DisablePeripheral(uint32_t dwId)
Disables the clock of a peripheral. The peripheral ID is used to identify which peripheral is targete...
Definition: pmc.c:185
PMC_ConfigureMckWithPlla
void PMC_ConfigureMckWithPlla(uint32_t mul, uint32_t div, uint32_t prescaler)
Configure PLLA as clock input for MCK.
Definition: pmc.c:496
PMC_DisableAllClocks
void PMC_DisableAllClocks(void)
Disable all clocks.
Definition: pmc.c:467
PMC_EnablePeripheral
void PMC_EnablePeripheral(uint32_t dwId)
Enables the clock of a peripheral. The peripheral ID is used to identify which peripheral is targeted...
Definition: pmc.c:156
PMC_SetMckSelection
void PMC_SetMckSelection(uint32_t clockSource, uint32_t prescaler)
Selection of Master Clock.
Definition: pmc.c:444
PMC_ConfigurePCK2
void PMC_ConfigurePCK2(uint32_t MasterClk, uint32_t prescaler)
Configure PLLA as clock input for MCK.
Definition: pmc.c:586
PMC_DisableAllPeripherals
void PMC_DisableAllPeripherals(void)
Disable all the periph clock via PMC.
Definition: pmc.c:225
PMC_EnableExtOsc
void PMC_EnableExtOsc(void)
Enable external oscillator as main clock input.
Definition: pmc.c:257
PMC_ConfigurePCK0
void PMC_ConfigurePCK0(uint32_t MasterClk, uint32_t prescaler)
Configure PLLA as clock input for MCK.
Definition: pmc.c:545
PMC_SelectExtOsc
void PMC_SelectExtOsc(void)
Select external OSC.
Definition: pmc.c:310
PMC_EnableIntRC4_8_12MHz
void PMC_EnableIntRC4_8_12MHz(uint32_t freqSelect)
Enable internal 4/8/12MHz fast RC as main clock input.
Definition: pmc.c:368
PMC_ConfigurePCK1
void PMC_ConfigurePCK1(uint32_t MasterClk, uint32_t prescaler)
Configure PLLA as clock input for MCK.
Definition: pmc.c:566
PMC_EnableXT32KFME
void PMC_EnableXT32KFME(void)
Configure PLLA as clock input for MCK.
Definition: pmc.c:520