Last change
on this file since 960 was
796,
checked in by cfuguet, 10 years ago
|
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 | |
---|
1 | /** |
---|
2 | * \file reset_ioc.c |
---|
3 | * \date December 2013 |
---|
4 | * \author Cesar Fuguet |
---|
5 | * |
---|
6 | * \brief API for accessing the disk controller |
---|
7 | * |
---|
8 | * \note These functions call the specific disk controller driver depending |
---|
9 | * on the USE_IOC_BDV, USE_IOC_SPI or USE_IOC_RDK constants |
---|
10 | */ |
---|
11 | |
---|
12 | #include <reset_ioc.h> |
---|
13 | #include <defs.h> |
---|
14 | |
---|
15 | #if !defined(USE_IOC_BDV) && !defined(USE_IOC_SPI) && !defined(USE_IOC_RDK) |
---|
16 | # error "One of the USE_IOC_* constants must be defined in the hard_config.h" |
---|
17 | #endif |
---|
18 | |
---|
19 | #if (USE_IOC_BDV + USE_IOC_SPI + USE_IOC_RDK) != 1 |
---|
20 | # error "Only one disk controller must be used" |
---|
21 | #endif |
---|
22 | |
---|
23 | #if USE_IOC_SPI |
---|
24 | #include <reset_sdc.h> |
---|
25 | #endif |
---|
26 | |
---|
27 | #if USE_IOC_BDV |
---|
28 | #include <reset_bdv.h> |
---|
29 | #endif |
---|
30 | |
---|
31 | #if USE_IOC_RDK |
---|
32 | #include <reset_rdk.h> |
---|
33 | #endif |
---|
34 | |
---|
35 | /** |
---|
36 | * \brief Initialize the disk controller |
---|
37 | */ |
---|
38 | int reset_ioc_init() |
---|
39 | { |
---|
40 | #if USE_IOC_BDV |
---|
41 | return reset_bdv_init(); |
---|
42 | #elif USE_IOC_SPI |
---|
43 | return reset_sdc_init(); |
---|
44 | #elif USE_IOC_RDK |
---|
45 | return reset_rdk_init(); |
---|
46 | #else |
---|
47 | # error "reset_ioc_init() : Not supported disk controller chosen" |
---|
48 | #endif |
---|
49 | } |
---|
50 | |
---|
51 | /** |
---|
52 | * \param lba : first block index on the disk |
---|
53 | * \param buffer: base address of the memory buffer |
---|
54 | * \param count : number of blocks to be transfered |
---|
55 | * |
---|
56 | * \brief Transfer data from disk to a memory buffer |
---|
57 | * |
---|
58 | * \note This is a blocking function. The function returns once the transfer |
---|
59 | * is completed. |
---|
60 | */ |
---|
61 | int reset_ioc_read( unsigned int lba, void* buffer, unsigned int count ) |
---|
62 | { |
---|
63 | #if USE_IOC_BDV |
---|
64 | return reset_bdv_read(lba, buffer, count); |
---|
65 | #elif USE_IOC_SPI |
---|
66 | return reset_sdc_read(lba, buffer, count); |
---|
67 | #elif USE_IOC_RDK |
---|
68 | return reset_rdk_read(lba, buffer, count); |
---|
69 | #else |
---|
70 | # error "reset_ioc_read() : Not supported disk controller chosen" |
---|
71 | #endif |
---|
72 | } |
---|
73 | |
---|
74 | /* |
---|
75 | * vim: tabstop=4 : softtabstop=4 : shiftwidth=4 : expandtab |
---|
76 | */ |
---|
Note: See
TracBrowser
for help on using the repository browser.