/*******************************************************************************
;
;    This module is presented here only to serve as a sample for
;    AT91SAM9260 program development.
;    BiPOM Electronics provides this module as is and
;    does not guarantee its functionality or suitability for a particular purpose.
;    Please e-mail any questions and suggestions to tech@bipom.com
;
;    Module: mmarm9_sdram.c
;
;    Revision: 1.01
;
;    Description:    The example allows to check all 64-MByte SDRAM on Mini-Max/ARM9
;                    Target processor: AT91SAM9260    
;
;    This program is written using GNU ARM Compiler (www.gnuarm.org)
;
********************************************************************************
*/
#include "Bootstrap/include/part.h"
#include "Bootstrap/include/main.h"
#include "Bootstrap/include/debug.h"
#include "Bootstrap/include/dataflash.h"
#include "mmarm9_hw_init.h"
//
#include "mmarm9_sdram.h"
//
void TestValue_SDRAM(unsigned long value,unsigned long test)
{
    unsigned long *ptSDRAM;
    unsigned long ndx;
    unsigned char flag=0;
    unsigned long memStart = 0x20000000;    /* SDRAM starts here */    
    unsigned long memSize = (16*1024*1024); /* 16x4=64-MByte SDRAM */
    char testStr[3];
    //
    testStr[0]=test+'0';
    testStr[1]=' ';
    testStr[2]=0;
    dbg_print("\n\rTEST");
    dbg_print(testStr);
    //
    ptSDRAM=(unsigned long*)memStart;
    for(ndx=memStart;ndx<memStart+memSize;ndx++)
    {
        // Special tests 5,6
        if(test == 5) value = ndx;
        if(test == 6) value = ((ndx & 0xFFFF)<<16)|(ndx & 0xFFFF);
        if(test == 7) value = ((ndx & 0xFFFF)<<16);
        if(test == 8) value = (ndx & 0xFFFF);
        //
        *ptSDRAM++=value;
    }
    //
    ptSDRAM=(unsigned long*)memStart;
    for (ndx=memStart;ndx<memStart+memSize;ndx++)
    {
        // Special tests 5,6
        if(test == 5) value = ndx;
        if(test == 6) value = ((ndx & 0xFFFF)<<16)|(ndx & 0xFFFF);
        if(test == 7) value = ((ndx & 0xFFFF)<<16);
        if(test == 8) value = (ndx & 0xFFFF);
        //
         if((*ptSDRAM++)!=value)    flag= 1;
    }
    //
    if( flag)    dbg_print("FAILED");
    else        dbg_print("PASSED");
}
//
int main(void)
{
    /* Hardware Initialization */
    hw_init();
    /* Download some code to process DF recovery feature */
    load_df(AT91C_SPI_PCS_DATAFLASH, IMG_ADDRESS, IMG_SIZE, JUMP_ADDR);
    /* Loop forever */
    while(1)
    {
        dbg_print("\n\rStart Mini-Max/ARM9 SAM9260 SDRAM test...");
        TestValue_SDRAM(0x00000000,1);
        TestValue_SDRAM(0xFFFFFFFF,2);
        TestValue_SDRAM(0xAAAAAAAA,3);
        TestValue_SDRAM(0x55555555,4);
        TestValue_SDRAM(0x00000000,5);
        TestValue_SDRAM(0x00000000,6);
        TestValue_SDRAM(0x00000000,7);
        TestValue_SDRAM(0x00000000,8);
        dbg_print("\n\rStop SDRAM test");
    }
}
/*EOF*/

    unsigned long *ptSDRAM;