1 /**
2  * \file
3  *
4  * \brief HPL initialization related functionality implementation.
5  *
6  * Copyright (C) 2014-2017 Atmel Corporation. All rights reserved.
7  *
8  * \asf_license_start
9  *
10  * \page License
11  *
12  * Redistribution and use in source and binary forms, with or without
13  * modification, are permitted provided that the following conditions are met:
14  *
15  * 1. Redistributions of source code must retain the above copyright notice,
16  *    this list of conditions and the following disclaimer.
17  *
18  * 2. Redistributions in binary form must reproduce the above copyright notice,
19  *    this list of conditions and the following disclaimer in the documentation
20  *    and/or other materials provided with the distribution.
21  *
22  * 3. The name of Atmel may not be used to endorse or promote products derived
23  *    from this software without specific prior written permission.
24  *
25  * 4. This software may only be redistributed and used in connection with an
26  *    Atmel microcontroller product.
27  *
28  * THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED
29  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
30  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
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34  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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37  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
38  * POSSIBILITY OF SUCH DAMAGE.
39  *
40  * \asf_license_stop
41  *
42  */
43 
44 #include <hpl_gpio.h>
45 #include <hpl_init.h>
46 #include <hpl_mclk_config.h>
47 
48 #include <hpl_dma.h>
49 #include <hpl_dmac_config.h>
50 
51 /**
52  * \brief Initialize the hardware abstraction layer
53  */
_init_chip(void)54 void _init_chip(void)
55 {
56 	hri_nvmctrl_set_CTRLB_RWS_bf(NVMCTRL, CONF_NVM_WAIT_STATE);
57 
58 	_set_performance_level(2);
59 
60 	_osc32kctrl_init_sources();
61 	_oscctrl_init_sources();
62 	_mclk_init();
63 	_gclk_init_generators();
64 	_oscctrl_init_referenced_generators();
65 
66 #if CONF_DMAC_ENABLE
67 	hri_mclk_set_AHBMASK_DMAC_bit(MCLK);
68 	_dma_init();
69 #endif
70 }
71