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annotate loadtools/flash.h @ 100:02ece4d8c755

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pirexplore: beginning of FFS support
author Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
date Sun, 01 Sep 2013 21:55:51 +0000
parents 278052b6afda
children 99c234bf6a9b
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278052b6afda loadtools: started laying the foundation for flash support
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1 /* this header file contains definitions for fc-loadtool flash support */
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2
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3 /*
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4 * The following structures represent an "abstract"
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5 * description of flash devices.
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6 *
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7 * A "region" is a consecutive group of erase units of the same size.
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8 */
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9
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10 struct flash_region_desc {
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11 uint32_t sector_size;
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12 unsigned nsectors;
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13 };
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15 struct flash_bank_desc {
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16 struct flash_region_desc *regions;
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17 uint32_t prog_base_mask;
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18 };
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19
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20 struct flash_device_desc {
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21 char *name;
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22 struct flash_bank_desc *bank_desc;
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23 unsigned nbanks;
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24 };
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25
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26 /* the following structures describe flash banks as accessible to us */
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27
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28 struct sector_info {
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29 uint32_t start;
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30 uint32_t size;
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31 };
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32
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33 struct flash_bank_info {
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34 uint32_t base_addr;
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35 uint32_t total_size;
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36 struct flash_bank_desc *bank_desc;
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37 struct sector_info *sectors;
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38 unsigned nsectors;
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39 };