sdram_init.asm

完成在tigersharc201平台上划分出多个heap的操作

#include <defts201.h>

.section program;
.global __SDRAM_Init;
.align 4;

__SDRAM_Init:
xr0 = SYSCON_MP_WID64 | SYSCON_MEM_WID64 |
SYSCON_MSH_PIPE2 | SYSCON_MSH_WT0 | SYSCON_MSH_IDLE |
SYSCON_MS1_PIPE1 | SYSCON_MS1_WT0 | SYSCON_MS1_IDLE |
SYSCON_MS0_SLOW | SYSCON_MS0_WT3 | SYSCON_MS0_IDLE ;;
SYSCON = xr0;;

xr0 = SDRCON_INIT | SDRCON_RAS2PC5 | SDRCON_PC2RAS2 |
SDRCON_REF3700 | SDRCON_PG256 | SDRCON_CLAT2 | SDRCON_ENBL ;;
SDRCON = xr0 ;;

CJMP(ABS)(NP);;
__SDRAM_Init.end: