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) 2014, Atmel Corporation */
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7 /* All rights reserved. */
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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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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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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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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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30 #ifndef _SAM_TRNG_COMPONENT_
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31 #define _SAM_TRNG_COMPONENT_
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33 /* ============================================================================= */
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34 /** SOFTWARE API DEFINITION FOR True Random Number Generator */
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35 /* ============================================================================= */
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36 /** \addtogroup SAM_TRNG True Random Number Generator */
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39 #if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
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40 /** \brief Trng hardware registers */
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42 __O uint32_t TRNG_CR; /**< \brief (Trng Offset: 0x00) Control Register */
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43 __I uint32_t Reserved1[3];
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44 __O uint32_t TRNG_IER; /**< \brief (Trng Offset: 0x10) Interrupt Enable Register */
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45 __O uint32_t TRNG_IDR; /**< \brief (Trng Offset: 0x14) Interrupt Disable Register */
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46 __I uint32_t TRNG_IMR; /**< \brief (Trng Offset: 0x18) Interrupt Mask Register */
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47 __I uint32_t TRNG_ISR; /**< \brief (Trng Offset: 0x1C) Interrupt Status Register */
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48 __I uint32_t Reserved2[12];
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49 __I uint32_t TRNG_ODATA; /**< \brief (Trng Offset: 0x50) Output Data Register */
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50 __I uint32_t Reserved3[42];
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51 __I uint32_t TRNG_VERSION; /**< \brief (Trng Offset: 0xFC) Version Register */
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53 #endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
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54 /* -------- TRNG_CR : (TRNG Offset: 0x00) Control Register -------- */
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55 #define TRNG_CR_ENABLE (0x1u << 0) /**< \brief (TRNG_CR) Enables the TRNG to provide random values */
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56 #define TRNG_CR_KEY_Pos 8
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57 #define TRNG_CR_KEY_Msk (0xffffffu << TRNG_CR_KEY_Pos) /**< \brief (TRNG_CR) Security Key. */
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58 #define TRNG_CR_KEY_PASSWD (0x524E47u << 8) /**< \brief (TRNG_CR) Writing any other value in this field aborts the write operation. */
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59 /* -------- TRNG_IER : (TRNG Offset: 0x10) Interrupt Enable Register -------- */
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60 #define TRNG_IER_DATRDY (0x1u << 0) /**< \brief (TRNG_IER) Data Ready Interrupt Enable */
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61 /* -------- TRNG_IDR : (TRNG Offset: 0x14) Interrupt Disable Register -------- */
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62 #define TRNG_IDR_DATRDY (0x1u << 0) /**< \brief (TRNG_IDR) Data Ready Interrupt Disable */
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63 /* -------- TRNG_IMR : (TRNG Offset: 0x18) Interrupt Mask Register -------- */
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64 #define TRNG_IMR_DATRDY (0x1u << 0) /**< \brief (TRNG_IMR) Data Ready Interrupt Mask */
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65 /* -------- TRNG_ISR : (TRNG Offset: 0x1C) Interrupt Status Register -------- */
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66 #define TRNG_ISR_DATRDY (0x1u << 0) /**< \brief (TRNG_ISR) Data Ready */
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67 /* -------- TRNG_ODATA : (TRNG Offset: 0x50) Output Data Register -------- */
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68 #define TRNG_ODATA_ODATA_Pos 0
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69 #define TRNG_ODATA_ODATA_Msk (0xffffffffu << TRNG_ODATA_ODATA_Pos) /**< \brief (TRNG_ODATA) Output Data */
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70 /* -------- TRNG_VERSION : (TRNG Offset: 0xFC) Version Register -------- */
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71 #define TRNG_VERSION_VERSION_Pos 0
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72 #define TRNG_VERSION_VERSION_Msk (0xfffu << TRNG_VERSION_VERSION_Pos) /**< \brief (TRNG_VERSION) Version of the Hardware Module */
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73 #define TRNG_VERSION_MFN_Pos 16
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74 #define TRNG_VERSION_MFN_Msk (0x7u << TRNG_VERSION_MFN_Pos) /**< \brief (TRNG_VERSION) Metal Fix Number */
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79 #endif /* _SAM_TRNG_COMPONENT_ */
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