Changeset 76 for trunk/hal/x86_64/drivers/soclib_mmc.c

Timestamp:

Jun 27, 2017, 2:07:55 PM (7 years ago)

Author:

max@…

Message:

empty out the x86 drivers

File:

• trunk/hal/x86_64/drivers/soclib_mmc.c (modified) (1 diff)

trunk/hal/x86_64/drivers/soclib_mmc.c

@@ -31 +31 @@
 #include <printk.h>
 
-
-///////////////////////////////////////
 void soclib_mmc_init( chdev_t * chdev )
 {
-    // get pointer on MMC segment base
-    uint32_t * base = (uint32_t *)GET_PTR( chdev->base );
 
-    // enable MMC IRQ
-    *(base + (SOCLIB_MMC_ERROR_FUNC << 7) + SOCLIB_MMC_ERROR_IRQ_ENABLE) = 1;
 } 
 
-
-//////////////////////////////////////////////////////////////
 void __attribute__ ((noinline)) soclib_mmc_cmd( xptr_t th_xp )
 {
-    xptr_t     dev_xp;       // extended pointer on MMC device
-    uint32_t   type;         // MMC command : type
-    uint64_t   buf_paddr;    // MMC command : buffer physical address
-    uint32_t   buf_size;     // MMC command : buffer size
-    uint32_t   reg_index;    // MMC command : register index in MMC peripheral
-    uint32_t * reg_ptr;      // MMC command : pointer on dst/src buffer in client cluster 
 
-    // get client thread cluster and local pointer
-    cxy_t      th_cxy = GET_CXY( th_xp );
-    thread_t * th_ptr = (thread_t *)GET_PTR( th_xp );
+}
 
-    // get command type and extended pointer on MMC device
-    type   =         hal_remote_lw ( XPTR( th_cxy , &th_ptr->command.mmc.type   ) );
-    dev_xp = (xptr_t)hal_remote_lwd( XPTR( th_cxy , &th_ptr->command.mmc.dev_xp ) );
-
-    // get MMC device cluster and local pointer
-    cxy_t     dev_cxy = GET_CXY( dev_xp );
-    chdev_t * dev_ptr = (chdev_t *)GET_PTR( dev_xp );
-
-    // get extended pointer on SOCLIB-MMC peripheral
-    xptr_t     mmc_xp = hal_remote_lw( XPTR( dev_cxy , &dev_ptr->base ) );
-
-    // get SOCLIB_MMC peripheral cluster and local pointer
-    cxy_t      mmc_cxy = GET_CXY( mmc_xp );
-    uint32_t * mmc_ptr = (uint32_t *)GET_PTR( mmc_xp );
-
-    if( (type == MMC_CC_INVAL) || (type == MMC_CC_SYNC) )
-    {
-        // get buffer paddr
-        buf_paddr = hal_remote_lwd( XPTR( th_cxy , &th_ptr->command.mmc.buf_paddr ) );
-
-        // split buffer paddr in two 32 bits words
-        uint32_t   buf_lo = (uint32_t)( buf_paddr );
-        uint32_t   buf_hi = (uint32_t)( buf_paddr>>32 );
-
-        // get buffer size
-        buf_size   = hal_remote_lw( XPTR( th_cxy , &th_ptr->command.mmc.buf_size ) );
-
-        // get command type
-        uint32_t cc_cmd;
-        if( type == MMC_CC_INVAL )  cc_cmd = SOCLIB_MMC_CC_INVAL;
-        else                        cc_cmd = SOCLIB_MMC_CC_SYNC; 
-
-        // set SOCLIB_MMC registers to start INVAL/SYNC operation
-        hal_remote_sw( XPTR( mmc_cxy , mmc_ptr + SOCLIB_MMC_ADDR_LO    ) , buf_lo );
-        hal_remote_sw( XPTR( mmc_cxy , mmc_ptr + SOCLIB_MMC_ADDR_HI    ) , buf_hi );
-        hal_remote_sw( XPTR( mmc_cxy , mmc_ptr + SOCLIB_MMC_BUF_LENGTH ) , buf_size ); 
-        hal_remote_sw( XPTR( mmc_cxy , mmc_ptr + SOCLIB_MMC_CMD_TYPE   ) , cc_cmd ); 
-    }
-    else  // (type == MMC_GET_ERROR) or (type == MMC_GET_ERROR) pr (type == MMC_GET_INSTRU )
-    {
-        // get src/dst buffer local pointer and register index
-        reg_ptr   = (uint32_t *)hal_remote_lpt( XPTR( th_cxy , &th_ptr->command.mmc.reg_ptr ) );
-        reg_index = hal_remote_lw( XPTR( th_cxy , &th_ptr->command.mmc.reg_index ) );
-
-        // move register to/from local buffer 
-        if( (type == MMC_GET_ERROR) || (type == MMC_GET_INSTRU) )
-        {
-            *reg_ptr =  hal_remote_lw( XPTR( mmc_cxy , mmc_ptr + reg_index ) );
-        }
-        else  // type == MMC_SET_ERROR
-        {
-            hal_remote_sw( XPTR( mmc_cxy , mmc_ptr + reg_index ) , *reg_ptr );
-        }
-    }
-} // end soclib_mmc_cmd()
-
-
-////////////////////////////////////////////////////////////////
 void __attribute__ ((noinline)) soclib_mmc_isr( chdev_t * chdev )
 {
-    // get pointer on MMC segment base
-    uint32_t * base = (uint32_t *)GET_PTR( chdev->base );
 
-    // get faulty ADDRESS and SRCID from MMC registers
-    uint32_t paddr_lo = *(base + (SOCLIB_MMC_ERROR_FUNC << 7) + SOCLIB_MMC_ERROR_ADDR_LO);
-    uint32_t paddr_hi = *(base + (SOCLIB_MMC_ERROR_FUNC << 7) + SOCLIB_MMC_ERROR_ADDR_HI);
-    uint32_t srcid    = *(base + (SOCLIB_MMC_ERROR_FUNC << 7) + SOCLIB_MMC_ERROR_SRCID);
+}
 
-    paddr_t paddr = (((paddr_t)paddr_hi)<<32) + ((paddr_t)paddr_lo);
-    
-    // reset MMC IRQ
-    *(base + (SOCLIB_MMC_ERROR_FUNC << 7) + SOCLIB_MMC_ERROR_IRQ_RESET) = 0;
-    
-    // print an error message on kernel terminal TODO : should be improved
-    printk("\n[ERROR] reported from MMC in cluster %x : faulty address = %l / srcid = %x\n",
-           paddr , srcid );
-
-} // end soclib_mmc_isr()
-
-
-