OpenCores
URL https://opencores.org/ocsvn/openrisc/openrisc/trunk

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [orpsocv2/] [sw/] [tests/] [sdram/] [sim/] [sdram-banks.c] - Diff between revs 349 and 393

Go to most recent revision | Show entire file | Details | Blame | View Log

Rev 349 Rev 393
Line 1... Line 1...
 
/*
 
 * SDRAM bank test
 
 *
 
 * Tests the extremeties of the SDRAM banks
 
 *
 
*/
 
 
 
#include "cpu-utils.h"
 
#include "board.h"
 
#include "sdram.h"
 
 
 
#define SDRAM_BANK_SIZE (SDRAM_SIZE / SDRAM_NUM_BANKS)
 
#define SDRAM_BANK_START(bank) ((SDRAM_BANK_SIZE*bank) + SDRAM_BASE)
 
#define SDRAM_BANK_LAST_WORD(bank) ((SDRAM_BANK_START((bank+1)))-4)
 
 
 
int main()
 
{
 
  report (SDRAM_SIZE);
 
  report (SDRAM_BANK_SIZE);
 
  report (SDRAM_BANK_START(0));
 
  report (SDRAM_BANK_LAST_WORD(0));
 
  report (SDRAM_BANK_START(1));
 
  report (SDRAM_BANK_LAST_WORD(1));
 
  report (SDRAM_BANK_START(2));
 
  report (SDRAM_BANK_LAST_WORD(2));
 
  report (SDRAM_BANK_START(3));
 
  report (SDRAM_BANK_LAST_WORD(3));
 
 
 
  REG32(SDRAM_BANK_LAST_WORD(0)) = 0x11111111;
 
  REG32(SDRAM_BANK_LAST_WORD(1)) = 0x22222222;
 
  REG32(SDRAM_BANK_LAST_WORD(2)) = 0x33333333;
 
  REG32(SDRAM_BANK_LAST_WORD(3)) = 0x44444444;
 
 
 
 
 
  unsigned long read_result = 0;
 
  read_result += REG32(SDRAM_BANK_LAST_WORD(0));
 
  read_result += REG32(SDRAM_BANK_LAST_WORD(1));
 
  read_result += REG32(SDRAM_BANK_LAST_WORD(2));
 
  read_result += REG32(SDRAM_BANK_LAST_WORD(3));
 
 
 
  exit((read_result-0x2aaaaa9d)); /* should result in 8000000d */
 
}
 
 
 No newline at end of file
 No newline at end of file

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.