Last change
on this file since 796 was
796,
checked in by cfuguet, 10 years ago
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tsar_generic_leti, tsar_boot: used USE_IOC_RDK instead of USE_RAMDISK
- This is the name of the constant generated by the genmap tool into
the hard_config.h file.
- Instantiating the block device in the arch.py file only when the
ramdisk is not used (GIET-VM supports only one IO controller)
|
File size:
1.7 KB
|
Line | |
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1 | /** |
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2 | * \file reset_ioc.c |
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3 | * \date December 2013 |
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4 | * \author Cesar Fuguet |
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5 | * |
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6 | * \brief API for accessing the disk controller |
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7 | * |
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8 | * \note These functions call the specific disk controller driver depending |
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9 | * on the USE_IOC_BDV, USE_IOC_SPI or USE_IOC_RDK constants |
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10 | */ |
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11 | |
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12 | #include <reset_ioc.h> |
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13 | #include <defs.h> |
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14 | |
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15 | #if !defined(USE_IOC_BDV) && !defined(USE_IOC_SPI) && !defined(USE_IOC_RDK) |
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16 | # error "One of the USE_IOC_* constants must be defined in the hard_config.h" |
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17 | #endif |
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18 | |
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19 | #if (USE_IOC_BDV + USE_IOC_SPI + USE_IOC_RDK) != 1 |
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20 | # error "Only one disk controller must be used" |
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21 | #endif |
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22 | |
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23 | #if USE_IOC_SPI |
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24 | #include <reset_sdc.h> |
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25 | #endif |
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26 | |
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27 | #if USE_IOC_BDV |
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28 | #include <reset_bdv.h> |
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29 | #endif |
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30 | |
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31 | #if USE_IOC_RDK |
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32 | #include <reset_rdk.h> |
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33 | #endif |
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34 | |
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35 | /** |
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36 | * \brief Initialize the disk controller |
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37 | */ |
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38 | int reset_ioc_init() |
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39 | { |
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40 | #if USE_IOC_BDV |
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41 | return reset_bdv_init(); |
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42 | #elif USE_IOC_SPI |
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43 | return reset_sdc_init(); |
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44 | #elif USE_IOC_RDK |
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45 | return reset_rdk_init(); |
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46 | #else |
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47 | # error "reset_ioc_init() : Not supported disk controller chosen" |
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48 | #endif |
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49 | } |
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50 | |
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51 | /** |
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52 | * \param lba : first block index on the disk |
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53 | * \param buffer: base address of the memory buffer |
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54 | * \param count : number of blocks to be transfered |
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55 | * |
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56 | * \brief Transfer data from disk to a memory buffer |
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57 | * |
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58 | * \note This is a blocking function. The function returns once the transfer |
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59 | * is completed. |
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60 | */ |
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61 | int reset_ioc_read( unsigned int lba, void* buffer, unsigned int count ) |
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62 | { |
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63 | #if USE_IOC_BDV |
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64 | return reset_bdv_read(lba, buffer, count); |
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65 | #elif USE_IOC_SPI |
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66 | return reset_sdc_read(lba, buffer, count); |
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67 | #elif USE_IOC_RDK |
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68 | return reset_rdk_read(lba, buffer, count); |
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69 | #else |
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70 | # error "reset_ioc_read() : Not supported disk controller chosen" |
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71 | #endif |
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72 | } |
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73 | |
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74 | /* |
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75 | * vim: tabstop=4 : softtabstop=4 : shiftwidth=4 : expandtab |
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76 | */ |
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