FreeCalypso > hg > freecalypso-sw
annotate loadtools/flutil.c @ 59:c3158d30ff0c
defined flash configuration for the Pirelli
author | Michael Spacefalcon <msokolov@ivan.Harhan.ORG> |
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date | Mon, 24 Jun 2013 06:40:55 +0000 |
parents | d98137625c0d |
children | a10491da8c3a |
rev | line source |
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d98137625c0d
fc-loadtool flash: total_size logic implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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1 /* |
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2 * Miscellaneous utility functions for flash support |
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3 */ |
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4 |
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5 #include <sys/types.h> |
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6 #include <stdio.h> |
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7 #include <stdint.h> |
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8 #include <stdlib.h> |
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9 #include "flash.h" |
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10 |
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11 extern struct flash_bank_info flash_bank_info[2]; |
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12 |
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13 compute_flash_totsize_nsecs(bank) |
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14 { |
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15 struct flash_bank_info *bi; |
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16 struct flash_region_desc *reg; |
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17 |
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18 bi = flash_bank_info + bank; |
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19 for (reg = bi->bank_desc->regions; reg->nsectors; reg++) { |
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20 bi->nsectors += reg->nsectors; |
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21 bi->total_size += reg->sector_size * reg->nsectors; |
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22 } |
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23 } |
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24 |
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25 /* the following function is used to verify that total_size is a power of 2 */ |
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26 count_ones(word) |
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27 uint32_t word; |
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28 { |
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29 int count; |
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30 |
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31 for (count = 0; word; word >>= 1) |
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32 count += word & 1; |
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33 return count; |
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34 } |