memtest.c

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/*
 * @brief Memory example
 *   This example shows how to do a (more complex) memory test for
 *   verifying DRAM operation. The test performs walking 0 and 1,
 *   address and inverse address, and pattern tests on DRAM.
 *
 * @note
 * Copyright(C) NXP Semiconductors, 2012
 * All rights reserved.
 *
 * @par
 * Software that is described herein is for illustrative purposes only
 * which provides customers with programming information regarding the
 * LPC products.  This software is supplied "AS IS" without any warranties of
 * any kind, and NXP Semiconductors and its licensor disclaim any and
 * all warranties, express or implied, including all implied warranties of
 * merchantability, fitness for a particular purpose and non-infringement of
 * intellectual property rights.  NXP Semiconductors assumes no responsibility
 * or liability for the use of the software, conveys no license or rights under any
 * patent, copyright, mask work right, or any other intellectual property rights in
 * or to any products. NXP Semiconductors reserves the right to make changes
 * in the software without notification. NXP Semiconductors also makes no
 * representation or warranty that such application will be suitable for the
 * specified use without further testing or modification.
 *
 * @par
 * Permission to use, copy, modify, and distribute this software and its
 * documentation is hereby granted, under NXP Semiconductors' and its
 * licensor's relevant copyrights in the software, without fee, provided that it
 * is used in conjunction with NXP Semiconductors microcontrollers.  This
 * copyright, permission, and disclaimer notice must appear in all copies of
 * this code.
 */

#include "board.h"
#include "mem_tests.h"
#include <stdio.h>

/*****************************************************************************
 * Private types/enumerations/variables
 ****************************************************************************/

#define DRAM_BASE_ADDRESS (uint32_t *) 0x28000000

#if defined(BOARD_HITEX_EVA_18504350)
/* 8MB of Hitex board */
#define DRAM_SIZE (8 * 1024 * 1024)
#elif defined(BOARD_KEIL_MCB_18574357)
#define DRAM_SIZE (8 * 1024 * 1024)
#endif

/*****************************************************************************
 * Public types/enumerations/variables
 ****************************************************************************/

/*****************************************************************************
 * Private functions
 ****************************************************************************/

/*****************************************************************************
 * Public functions
 ****************************************************************************/

int main(void)
{
 MEM_TEST_SETUP_T memSetup;

 Board_Init();

 /* Walking 0 test */
 memSetup.start_addr = DRAM_BASE_ADDRESS;
 memSetup.bytes = DRAM_SIZE;
 if (mem_test_walking0(&memSetup)) {
  DEBUGSTR("Walking 0 memory test passed\r\n");
 }
 else {
  DEBUGOUT("Walking 0 memory test failed at address %p\r\n", memSetup.fail_addr);
  DEBUGOUT(" Expected %08x, actual %08x\r\n", memSetup.ex_val, memSetup.is_val);
 }

 /* Walking 1 test */
 memSetup.start_addr = DRAM_BASE_ADDRESS;
 memSetup.bytes = DRAM_SIZE;
 if (mem_test_walking1(&memSetup)) {
  DEBUGSTR("Walking 1 memory test passed\r\n");
 }
 else {
  DEBUGOUT("Walking 1 memory test failed at address %p\r\n", memSetup.fail_addr);
  DEBUGOUT(" Expected %08x, actual %08x\r\n", memSetup.ex_val, memSetup.is_val);
 }

 /* Address test */
 memSetup.start_addr = DRAM_BASE_ADDRESS;
 memSetup.bytes = DRAM_SIZE;
 if (mem_test_address(&memSetup)) {
  DEBUGSTR("Address test passed\r\n");
 }
 else {
  DEBUGOUT("Address test failed at address %p\r\n", memSetup.fail_addr);
  DEBUGOUT(" Expected %08x, actual %08x\r\n", memSetup.ex_val, memSetup.is_val);
 }

 /* Inverse address test */
 memSetup.start_addr = DRAM_BASE_ADDRESS;
 memSetup.bytes = DRAM_SIZE;
 if (mem_test_invaddress(&memSetup)) {
  DEBUGSTR("Inverse address test passed\r\n");
 }
 else {
  DEBUGOUT("Inverse address test failed at address %p\r\n", memSetup.fail_addr);
  DEBUGOUT(" Expected %08x, actual %08x\r\n", memSetup.ex_val, memSetup.is_val);
 }

 /* Pattern test */
 memSetup.start_addr = DRAM_BASE_ADDRESS;
 memSetup.bytes = DRAM_SIZE;
 if (mem_test_pattern(&memSetup)) {
  DEBUGSTR("Pattern (0x55/0xAA) test passed\r\n");
 }
 else {
  DEBUGOUT("Pattern (0x55/0xAA) test failed at address %p\r\n", memSetup.fail_addr);
  DEBUGOUT(" Expected %08x, actual %08x\r\n", memSetup.ex_val, memSetup.is_val);
 }

 /* Seeded pattern test */
 memSetup.start_addr = DRAM_BASE_ADDRESS;
 memSetup.bytes = DRAM_SIZE;
 if (mem_test_pattern_seed(&memSetup, 0x12345678, 0x50005)) {
  DEBUGSTR("Seeded pattern test passed\r\n");
 }
 else {
  DEBUGOUT("Seeded pattern test failed at address %p\r\n", memSetup.fail_addr);
  DEBUGOUT(" Expected %08x, actual %08x\r\n", memSetup.ex_val, memSetup.is_val);
 }

 /* Never returns, for warning only */
 return 0;
}