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//==========================================================================
//
//      xscale_misc.c
//
//      HAL misc support code for Intel XScale cores.
//
//==========================================================================
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//==========================================================================
//#####DESCRIPTIONBEGIN####
//
// Author(s):    msalter
// Contributors: msalter
// Date:         2002-10-18
// Purpose:      XScale core HAL support
// Description:  Implementations of HAL interfaces
//
//####DESCRIPTIONEND####
//
//========================================================================*/
 
#include <pkgconf/hal.h>
#include <pkgconf/system.h>
#include CYGBLD_HAL_PLATFORM_H
#include CYGHWR_MEMORY_LAYOUT_H
 
void
hal_xscale_core_init(void)
{
    // Initialize debug control unit to sane state
    asm volatile ("mov  r0,#0\n"
		  "mcr  p15,0,r0,c14,c8,0\n"   // ibcr0
		  "mcr  p15,0,r0,c14,c9,0\n"   // ibcr1
		  "mcr  p15,0,r0,c14,c4,0\n"   // dbcon
		  "mov  r0,#0x80000000\n"
		  "mcr  p14,0,r0,c10,c0,0\n"   // dcsr
		  : /* no outputs */
		  : /* no inputs  */
		  : "r0" );
}
 
/*------------------------------------------------------------------------*/
// EOF xscale_misc.c