1 | /****************************************************************************** |
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2 | * |
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3 | * Copyright (c) 2004 Freescale Semiconductor, Inc. |
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4 | * |
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5 | * Permission is hereby granted, free of charge, to any person obtaining a |
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6 | * copy of this software and associated documentation files (the "Software"), |
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7 | * to deal in the Software without restriction, including without limitation |
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8 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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9 | * and/or sell copies of the Software, and to permit persons to whom the |
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10 | * Software is furnished to do so, subject to the following conditions: |
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11 | * |
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12 | * The above copyright notice and this permission notice shall be included |
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13 | * in all copies or substantial portions of the Software. |
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14 | * |
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15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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18 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR |
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19 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
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20 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
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21 | * OTHER DEALINGS IN THE SOFTWARE. |
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22 | * |
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23 | ******************************************************************************/ |
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24 | |
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25 | #ifdef MPC5200_BAPI_LIBC_HEADERS |
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26 | #include <string.h> |
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27 | #endif |
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28 | |
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29 | #include "include/ppctypes.h" |
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30 | #include "include/mgt5200/sdma.h" |
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31 | #include "include/mgt5200/mgt5200.h" |
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32 | |
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33 | #include "dma_image.h" |
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34 | #include "bestcomm_api.h" |
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35 | |
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36 | #ifdef __MWERKS__ |
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37 | __declspec(section ".text") extern const uint32 taskTable; |
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38 | __declspec(section ".text") extern const uint32 taskTableBytes; |
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39 | __declspec(section ".text") extern const uint32 taskTableTasks; |
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40 | __declspec(section ".text") extern const uint32 offsetEntry; |
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41 | #else |
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42 | extern const uint32 taskTable; |
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43 | extern const uint32 taskTableBytes; |
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44 | extern const uint32 taskTableTasks; |
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45 | extern const uint32 offsetEntry; |
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46 | #endif |
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47 | |
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48 | typedef struct SCTDT { |
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49 | uint32 start; |
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50 | uint32 stop; |
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51 | uint32 var; |
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52 | uint32 fdt; |
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53 | uint32 rsvd1; |
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54 | uint32 rsvd2; |
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55 | uint32 context; |
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56 | uint32 litbase; |
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57 | } SCTDT_T; |
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58 | |
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59 | |
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60 | /*! |
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61 | * \brief Load BestComm tasks into SRAM. |
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62 | * \param sdma Base address of the BestComm register set |
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63 | * |
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64 | * The BestComm tasks must be loaded before any task can be setup, |
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65 | * enabled, etc. This might be called as part of a boot sequence before |
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66 | * any BestComm drivers are required. |
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67 | */ |
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68 | void TasksLoadImage(sdma_regs *sdma) |
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69 | { |
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70 | uint32 i; |
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71 | SCTDT_T *tt; |
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72 | |
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73 | /* copy task table from source to destination */ |
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74 | memcpy((void *)((uint8 *)(sdma->taskBar) - MBarPhysOffsetGlobal), &taskTable, taskTableBytes); |
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75 | /* adjust addresses in task table */ |
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76 | for (i=0; i < (uint32) taskTableTasks; i++) { |
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77 | tt = (SCTDT_T *)(((uint8 *)(sdma->taskBar) - MBarPhysOffsetGlobal) + (uint32) offsetEntry + (i * sizeof (SCTDT_T))); |
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78 | tt->start += sdma->taskBar; |
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79 | tt->stop += sdma->taskBar; |
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80 | tt->var += sdma->taskBar; |
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81 | tt->fdt = (sdma->taskBar & 0xFFFFFF00) + tt->fdt; |
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82 | tt->context += sdma->taskBar; |
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83 | } |
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84 | |
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85 | SramOffsetGlobal = taskTableBytes; |
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86 | } |
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