sysinit.c

源程序是在VisualDSP环境下开发出来的

#include <sysreg.h>
#include <builtins.h>
#include <defTS101.h>

void sysinit();

void sysinit( void )
{
//------------------------- Init SYSCON and SDRCON ----------------------

    __builtin_sysreg_write(__SYSCON, SYSCON_MSH_SLOW | 
                                     SYSCON_MSH_WT3 | 
                                     SYSCON_MSH_IDLE |
		                             SYSCON_MS1_SLOW | 
                                     SYSCON_MS1_WT3 | 
                                     SYSCON_MS1_IDLE |
		                             SYSCON_MS0_SLOW | 
                                     SYSCON_MS0_WT3 | 
                                     SYSCON_MS0_IDLE);

	                                 
    __builtin_sysreg_write(__SDRCON, SDRCON_INIT | 
                                     SDRCON_RAS2PC4 | 
                                     SDRCON_PC2RAS3 | 
	                                 SDRCON_REF600 | 
                                     SDRCON_PG256 | 
                                     SDRCON_CLAT2 | 
                                     SDRCON_ENBL);
}