?? init sdram.c
字號:
#include "system.h"
/********************************************************************************/
/***** InitSDRAM() *****/
/********************************************************************************/
// sets up the SDRAM controller so that the SDRAM is accessible
// SDRAM is not used in this project, but provided to easily expand
// this example to larger block sizes
section("L1_code") void InitSDRAM(void)
{
*pEBIU_SDRRC = 0x00000817; //SDRAM Refresh Rate Control Register
*pEBIU_SDBCTL = 0x00000001; //SDRAM Memory Bank Control Register
*pEBIU_SDGCTL = 0x0091998d; //SDRAM Memory Global Control Register
asm("ssync;");
}
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