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  • trunk/kernel/devices/dev_mmc.c

    r3 r1  
    2626#include <soclib_mmc.h>
    2727#include <printk.h>
    28 #include <chdev.h>
    2928#include <thread.h>
    3029#include <dev_mmc.h>
     
    3433/////////////////////////////////////////////////////////////////////////////////////////
    3534
    36 extern chdev_directory_t  chdev_dir;         // allocated in kernel_init.c
    37 
    38 extern chdev_icu_input_t  chdev_icu_input;   // allocated in kernel_init.c
    39 
    40 ////////////////////////////////////
    41 void dev_mmc_init( chdev_t * chdev )
    42 {
     35extern devices_directory_t  devices_dir;         // allocated in kernel_init.c
     36
     37extern devices_input_irq_t  devices_input_irq;   // allocated in kernel_init.c
     38
     39//////////////////////////////////
     40void dev_mmc_init( xptr_t dev_xp )
     41{
     42    // get MMC device descriptor cluster and local pointer
     43    cxy_t      dev_cxy = GET_CXY( dev_xp );
     44    device_t * dev_ptr = (device_t *)GET_PTR( dev_xp );
     45
    4346    // get implementation from device descriptor
    44     uint32_t  impl = chdev->impl;
    45 
    46     // set driver specific fields in device descriptor and call driver init function
     47    uint32_t  impl = hal_remote_lw( XPTR( dev_cxy , &dev_ptr->impl ) );
     48
     49    // set driver specific fields in device descriptor
     50    // and call driver init function
    4751    if( impl == IMPL_MMC_TSR )
    4852    {
    49         chdev->cmd = &soclib_mmc_cmd;
    50         chdev->isr = &soclib_mmc_isr;
    51         soclib_mmc_init( chdev );
     53        hal_remote_spt( XPTR( dev_cxy , &dev_ptr->cmd ) , &soclib_mmc_command );
     54        hal_remote_spt( XPTR( dev_cxy , &dev_ptr->isr ) , &soclib_mmc_isr );
     55        hal_remote_memcpy( XPTR( dev_cxy , &dev_ptr->name ),
     56                           XPTR( local_cxy , "MMC_TSR" ) , 16 );
     57        soclib_mmc_init( dev_xp );
    5258    }
    5359    else
    5460    {
    55         assert( false , __FUNCTION__ , "undefined MMC device implementation" );
     61        printk("\n[PANIC] in %s: undefined MMC device implementation\n", __FUNCTION__ );
     62        hal_core_sleep();
    5663    }
    5764}  // end dev_mmc_init()
     
    6572{
    6673    mmc_dmsg("\n[INFO] %s enters for thread %x in process %x : command = %d\n",
    67                  __FUNCTION__ , this->trdid , this->process->pid , this->command.mmc.type );
     74                 __FUNCTION__ , this->trdid , this->process->pid , this->dev.mmc.type );
    6875
    6976    // get extended pointer on MMC device
    70     xptr_t  dev_xp  = this->command.mmc.dev_xp;
    71 
    72     assert( (dev_xp != XPTR_NULL) , __FUNCTION__ , "undefined MMC device descriptor" );
     77    xptr_t  dev_xp  = this->dev.mmc.dev_xp;
     78
     79    if ( dev_xp == XPTR_NULL )
     80    {
     81        printk("\n[PANIC] in %s : undefined MMC device descriptor "
     82               "in cluster %x for thread %x in process %x\n",
     83               __FUNCTION__ , local_cxy , this->trdid , this->process->pid );
     84        hal_core_sleep();
     85    }
    7386
    7487    // get MMC device cluster identifier & local pointer
    75     cxy_t     dev_cxy = GET_CXY( dev_xp );
    76     chdev_t * dev_ptr = (chdev_t *)GET_PTR( dev_xp );
     88    cxy_t      dev_cxy = GET_CXY( dev_xp );
     89    device_t * dev_ptr = (device_t *)GET_PTR( dev_xp );
    7790
    7891    // get driver command function pointer from MMC device descriptor
     
    103116    cxy_t cxy = CXY_FROM_PADDR( buf_paddr );
    104117
    105     assert( ((buf_paddr & (CONFIG_CACHE_LINE_SIZE -1)) == 0) , __FUNCTION__ ,
    106              "buffer not aligned on cache line" );
     118    if ( buf_paddr & (CONFIG_CACHE_LINE_SIZE -1) )
     119    {
     120        printk("\n[PANIC] in %s : buffer not aligned on cache line "
     121               "for thread %x / target cluster %x\n",
     122               __FUNCTION__ , this->trdid , cxy );
     123        hal_core_sleep();
     124    }
    107125
    108126    // get extended pointer on MMC device descriptor
    109     xptr_t  dev_xp = chdev_dir.mmc[cxy];
    110 
    111     // store command arguments in thread descriptor
    112     this->command.mmc.dev_xp    = dev_xp;
    113     this->command.mmc.type      = MMC_CC_INVAL;
    114     this->command.mmc.buf_paddr = buf_paddr;
    115     this->command.mmc.buf_size  = buf_size;
    116 
    117     // execute operation
    118     dev_mmc_access( this );
    119 
    120     // return operation status
    121     return this->command.mmc.error; 
     127    xptr_t  dev_xp = devices_dir.mmc[cxy];
     128
     129    // store command arguments in thread descriptor
     130    this->dev.mmc.dev_xp    = dev_xp;
     131    this->dev.mmc.type      = MMC_CC_INVAL;
     132    this->dev.mmc.buf_paddr = buf_paddr;
     133    this->dev.mmc.buf_size  = buf_size;
     134
     135    // execute operation
     136    dev_mmc_access( this );
     137
     138    // return operation status
     139    return this->dev.mmc.error; 
    122140
    123141
     
    132150    cxy_t cxy = CXY_FROM_PADDR( buf_paddr );
    133151
    134     assert( ((buf_paddr & (CONFIG_CACHE_LINE_SIZE -1)) == 0) , __FUNCTION__ ,
    135              "buffer not aligned on cache line" );
    136 
    137     // store command arguments in thread descriptor
    138     this->command.mmc.dev_xp    = chdev_dir.mmc[cxy];
    139     this->command.mmc.type      = MMC_CC_SYNC;
    140     this->command.mmc.buf_paddr = buf_paddr;
    141     this->command.mmc.buf_size  = buf_size;
    142 
    143     // execute operation
    144     dev_mmc_access( this );
    145 
    146     // return operation status
    147     return this->command.mmc.error; 
     152    if ( buf_paddr & (CONFIG_CACHE_LINE_SIZE -1) )
     153    {
     154        printk("\n[PANIC] in %s : buffer not aligned on cache line "
     155               "for thread %x / target cluster %x\n",
     156               __FUNCTION__ , this->trdid , cxy );
     157        hal_core_sleep();
     158    }
     159
     160    // store command arguments in thread descriptor
     161    this->dev.mmc.dev_xp    = devices_dir.mmc[cxy];
     162    this->dev.mmc.type      = MMC_CC_SYNC;
     163    this->dev.mmc.buf_paddr = buf_paddr;
     164    this->dev.mmc.buf_size  = buf_size;
     165
     166    // execute operation
     167    dev_mmc_access( this );
     168
     169    // return operation status
     170    return this->dev.mmc.error; 
    148171
    149172
     
    157180
    158181    // store command arguments in thread descriptor
    159     this->command.mmc.dev_xp    = chdev_dir.mmc[cxy];
    160     this->command.mmc.type      = MMC_SET_ERROR;
    161     this->command.mmc.reg_index = index;
    162     this->command.mmc.reg_ptr   = &wdata;
    163 
    164     // execute operation
    165     dev_mmc_access( this );
    166 
    167     // return operation status
    168     return this->command.mmc.error; 
     182    this->dev.mmc.dev_xp    = devices_dir.mmc[cxy];
     183    this->dev.mmc.type      = MMC_SET_ERROR;
     184    this->dev.mmc.reg_index = index;
     185    this->dev.mmc.reg_ptr   = &wdata;
     186
     187    // execute operation
     188    dev_mmc_access( this );
     189
     190    // return operation status
     191    return this->dev.mmc.error; 
    169192}
    170193                       
     
    178201
    179202    // store command arguments in thread descriptor
    180     this->command.mmc.dev_xp    = chdev_dir.mmc[cxy];
    181     this->command.mmc.type      = MMC_GET_ERROR;
    182     this->command.mmc.reg_index = index;
    183     this->command.mmc.reg_ptr   = rdata;
    184 
    185     // execute operation
    186     dev_mmc_access( this );
    187 
    188     // return operation status
    189     return this->command.mmc.error; 
     203    this->dev.mmc.dev_xp    = devices_dir.mmc[cxy];
     204    this->dev.mmc.type      = MMC_GET_ERROR;
     205    this->dev.mmc.reg_index = index;
     206    this->dev.mmc.reg_ptr   = rdata;
     207
     208    // execute operation
     209    dev_mmc_access( this );
     210
     211    // return operation status
     212    return this->dev.mmc.error; 
    190213}
    191214                       
     
    199222
    200223    // store command arguments in thread descriptor
    201     this->command.mmc.dev_xp    = chdev_dir.mmc[cxy];
    202     this->command.mmc.type      = MMC_GET_INSTRU;
    203     this->command.mmc.reg_index = index;
    204     this->command.mmc.reg_ptr   = rdata;
    205 
    206     // execute operation
    207     dev_mmc_access( this );
    208 
    209     // return operation status
    210     return this->command.mmc.error; 
     224    this->dev.mmc.dev_xp    = devices_dir.mmc[cxy];
     225    this->dev.mmc.type      = MMC_GET_INSTRU;
     226    this->dev.mmc.reg_index = index;
     227    this->dev.mmc.reg_ptr   = rdata;
     228
     229    // execute operation
     230    dev_mmc_access( this );
     231
     232    // return operation status
     233    return this->dev.mmc.error; 
    211234}
    212235
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