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annotate loadtools/flash.h @ 401:7ceeec049be4

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fc-loadtool flash: bank configurations for CFI
author Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
date Sun, 15 Jun 2014 20:24:51 +0000
parents f027c6fbe37e
children a212b4968b29
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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 #define CFI_MAX_REGIONS 4
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17 /* The info in struct cfi_info can be either gathered from CFI or hard-coded. */
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18 struct cfi_info {
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19 uint16_t cmdset_style;
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20 uint32_t total_size;
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21 unsigned nregions;
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22 struct flash_region_desc regions[CFI_MAX_REGIONS];
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23 unsigned total_sectors;
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24 };
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25
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26 struct flash_idcheck {
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27 uint16_t offset;
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28 uint16_t expect_val;
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29 };
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31 struct flash_bank_desc {
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32 uint32_t align_size;
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33 struct cfi_info *hard_cfi;
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34 struct flash_idcheck *idcheck_table;
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35 unsigned idcheck_num;
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36 };
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37
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38 struct flash_device_desc {
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39 char *name;
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40 struct flash_bank_desc *bank_desc;
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41 unsigned nbanks;
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42 };
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44 /* the following structures describe flash banks as accessible to us */
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45
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46 struct sector_info {
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47 uint32_t start;
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48 uint32_t size;
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49 };
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51 struct flash_bank_info {
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52 uint32_t base_addr;
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53 struct flash_bank_desc *bank_desc;
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54 struct cfi_info *cfi;
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55 struct sector_info *sectors;
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56 int idcheck_done;
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57 };