1 | /* ---------------------------------------------------------------------------- */ |
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2 | /* Atmel Microcontroller Software Support */ |
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3 | /* SAM Software Package License */ |
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4 | /* ---------------------------------------------------------------------------- */ |
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5 | /* Copyright (c) 2015, Atmel Corporation */ |
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6 | /* */ |
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7 | /* All rights reserved. */ |
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8 | /* */ |
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9 | /* Redistribution and use in source and binary forms, with or without */ |
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10 | /* modification, are permitted provided that the following condition is met: */ |
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11 | /* */ |
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12 | /* - Redistributions of source code must retain the above copyright notice, */ |
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13 | /* this list of conditions and the disclaimer below. */ |
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14 | /* */ |
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15 | /* Atmel's name may not be used to endorse or promote products derived from */ |
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16 | /* this software without specific prior written permission. */ |
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17 | /* */ |
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18 | /* DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR */ |
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19 | /* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */ |
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20 | /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE */ |
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21 | /* DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT, */ |
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22 | /* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT */ |
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23 | /* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, */ |
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24 | /* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF */ |
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25 | /* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING */ |
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26 | /* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, */ |
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27 | /* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ |
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28 | /* ---------------------------------------------------------------------------- */ |
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29 | |
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30 | #ifndef _PMC_ |
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31 | #define _PMC_ |
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32 | |
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33 | /*---------------------------------------------------------------------------- |
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34 | * Headers |
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35 | *----------------------------------------------------------------------------*/ |
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36 | #include <stdint.h> |
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37 | |
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38 | |
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39 | /*---------------------------------------------------------------------------- |
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40 | * Definitions |
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41 | *----------------------------------------------------------------------------*/ |
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42 | /* Definition for fast RC frequency */ |
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43 | #define FAST_RC_4MHZ CKGR_MOR_MOSCRCF_4MHz |
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44 | #define FAST_RC_8MHZ CKGR_MOR_MOSCRCF_8MHz |
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45 | #define FAST_RC_12MHZ CKGR_MOR_MOSCRCF_12MHz |
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46 | |
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47 | /* Definitions for startup count. |
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48 | * Note: 1 count unit stand for: 1 / 32768 * 8 = 244 us |
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49 | */ |
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50 | /* Default startup count for 4/8/12MHz fast RC (startup time: 10us) */ |
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51 | #define DEFAUTL_FAST_RC_COUNT 1 |
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52 | /* Default startup count for 3-20MHz main oscillator (startup time: 1.4ms) */ |
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53 | #define DEFAUTL_MAIN_OSC_COUNT 8 |
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54 | /* Default startup count for PLLA (startup time: 200us) */ |
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55 | #define DEFAUTL_PLLA_COUNT 1 |
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56 | /* Default startup count for UPLL */ |
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57 | #define DEFAUTL_UPLL_COUNT 3 |
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58 | /* No change for default startup count */ |
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59 | #define DEFAUTL_COUNT_NO_CHANGE 0xFFFF |
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60 | |
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61 | |
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62 | /*---------------------------------------------------------------------------- |
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63 | * Exported functions |
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64 | *----------------------------------------------------------------------------*/ |
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65 | |
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66 | #ifdef __cplusplus |
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67 | extern "C" { |
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68 | #endif |
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69 | |
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70 | extern void PMC_EnablePeripheral(uint32_t dwId); |
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71 | extern void PMC_DisablePeripheral(uint32_t dwId); |
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72 | |
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73 | extern void PMC_EnableAllPeripherals(void); |
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74 | extern void PMC_DisableAllPeripherals(void); |
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75 | |
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76 | extern uint32_t PMC_IsPeriphEnabled(uint32_t dwId); |
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77 | |
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78 | extern void PMC_SelectExtOsc(void); |
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79 | extern void PMC_EnableExtOsc(void); |
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80 | extern void PMC_DisableExtOsc(void); |
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81 | extern void PMC_SelectExtBypassOsc(void); |
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82 | extern void PMC_EnableIntRC4_8_12MHz(uint32_t fastRcFreq); |
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83 | extern void PMC_DisableIntRC4_8_12MHz(void); |
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84 | extern void PMC_SetPllaClock(uint32_t mul, uint32_t div); |
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85 | extern void PMC_SetPllbClock(uint32_t mul, uint32_t div); |
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86 | extern void PMC_SetMckSelection(uint32_t clockSource, uint32_t prescaler); |
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87 | extern void PMC_DisableAllClocks(void); |
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88 | extern void PMC_ConfigureMckWithPlla(uint32_t mul, uint32_t div, |
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89 | uint32_t prescaler); |
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90 | extern void PMC_ConfigureMckWithPllb(uint32_t mul, uint32_t div, |
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91 | uint32_t prescaler); |
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92 | extern void PMC_EnableXT32KFME(void); |
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93 | extern void PMC_ConfigurePCK0(uint32_t MasterClk, uint32_t prescaler); |
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94 | extern void PMC_ConfigurePCK1(uint32_t MasterClk, uint32_t prescaler); |
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95 | extern void PMC_ConfigurePCK2(uint32_t MasterClk, uint32_t prescaler); |
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96 | |
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97 | #ifdef __cplusplus |
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98 | } |
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99 | #endif |
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100 | |
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101 | #endif /* #ifndef _PMC_ */ |
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