1 | /* Blackfin SPI Registers |
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2 | * |
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3 | * Copyright (c) 2010 Kallisti Labs, Los Gatos, CA, USA |
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4 | * written by Allan Hessenflow <allanh@kallisti.com> |
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5 | * |
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6 | * The license and distribution terms for this file may be |
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7 | * found in the file LICENSE in this distribution or at |
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8 | * http://www.rtems.org/license/LICENSE. |
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9 | */ |
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10 | |
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11 | #ifndef _spiRegs_h_ |
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12 | #define _spiRegs_h_ |
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13 | |
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14 | |
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15 | /* register addresses */ |
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16 | |
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17 | #define SPI_CTL_OFFSET 0x0000 |
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18 | #define SPI_FLG_OFFSET 0x0004 |
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19 | #define SPI_STAT_OFFSET 0x0008 |
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20 | #define SPI_TDBR_OFFSET 0x000c |
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21 | #define SPI_RDBR_OFFSET 0x0010 |
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22 | #define SPI_BAUD_OFFSET 0x0014 |
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23 | #define SPI_SHADOW_OFFSET 0x0018 |
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24 | |
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25 | |
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26 | /* register fields */ |
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27 | |
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28 | #define SPI_CTL_SPE 0x4000 |
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29 | #define SPI_CTL_WOM 0x2000 |
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30 | #define SPI_CTL_MSTR 0x1000 |
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31 | #define SPI_CTL_CPOL 0x0800 |
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32 | #define SPI_CTL_CPHA 0x0400 |
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33 | #define SPI_CTL_LSBF 0x0200 |
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34 | #define SPI_CTL_SIZE 0x0100 |
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35 | #define SPI_CTL_EMISO 0x0020 |
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36 | #define SPI_CTL_PSSE 0x0010 |
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37 | #define SPI_CTL_GM 0x0008 |
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38 | #define SPI_CTL_SZ 0x0004 |
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39 | #define SPI_CTL_TIMOD_MASK 0x0003 |
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40 | #define SPI_CTL_TIMOD_RDBR 0x0000 |
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41 | #define SPI_CTL_TIMOD_TDBR 0x0001 |
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42 | #define SPI_CTL_TIMOD_DMA_RDBR 0x0002 |
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43 | #define SPI_CTL_TIMOD_DMA_TDBR 0x0003 |
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44 | |
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45 | #define SPI_FLG_FLG7 0x8000 |
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46 | #define SPI_FLG_FLG6 0x4000 |
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47 | #define SPI_FLG_FLG5 0x2000 |
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48 | #define SPI_FLG_FLG4 0x1000 |
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49 | #define SPI_FLG_FLG3 0x0800 |
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50 | #define SPI_FLG_FLG2 0x0400 |
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51 | #define SPI_FLG_FLG1 0x0200 |
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52 | #define SPI_FLG_FLS7 0x0080 |
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53 | #define SPI_FLG_FLS6 0x0040 |
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54 | #define SPI_FLG_FLS5 0x0020 |
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55 | #define SPI_FLG_FLS4 0x0010 |
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56 | #define SPI_FLG_FLS3 0x0008 |
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57 | #define SPI_FLG_FLS2 0x0004 |
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58 | #define SPI_FLG_FLS1 0x0002 |
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59 | |
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60 | #define SPI_STAT_TXCOL 0x0040 |
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61 | #define SPI_STAT_RXS 0x0020 |
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62 | #define SPI_STAT_RBSY 0x0010 |
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63 | #define SPI_STAT_TXS 0x0008 |
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64 | #define SPI_STAT_TXE 0x0004 |
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65 | #define SPI_STAT_MODF 0x0002 |
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66 | #define SPI_STAT_SPIF 0x0001 |
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67 | |
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68 | |
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69 | #endif /* _spiRegs_h_ */ |
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