kram_dual_access.c

Freescale MCF5445evb 参考测试代码

// +FHDR------------------------------------------------------------------------
// Copyright (c) 2005, Freescale.
// Freescale Confidential Proprietary
// -----------------------------------------------------------------------------
// FILE NAME      : kram_dual_access
// DEPARTMENT     : TECD IC Creation, MCU Division, TSPG, Freescale
// AUTHOR         : Alan Carlin
// AUTHOR'S EMAIL : [e-mail]
// -----------------------------------------------------------------------------
// REVIEW(S) : 
// -----------------------------------------------------------------------------
// RELEASE HISTORY
// VERSION  DATE        AUTHOR          DESCRIPTION
// 1.0      1 MAR 2005  Alan Carlin     added/completed header
// -----------------------------------------------------------------------------
// KEYWORDS: KRAM
// -----------------------------------------------------------------------------
// PURPOSE:
// -----------------------------------------------------------------------------
// PARAMETERS:
// PARAM NAME         : RANGE      : DESCRIPTION               : DEFAULT : UNITS
// -----------------------------------------------------------------------------
// REUSE ISSUES:
//   External Pins Required :
//   Monitors Required      :
//   Drivers Required       :
//   Local Functions        :
//   Include Files          :
//   Other                  :
// -----------------------------------------------------------------------------
// FEATURES TESTED:
//  You can DMA from one half of the KRAM to the other while accessing the KRAM
// -----------------------------------------------------------------------------
// DETAILED TEST DESCRIPTION:
//  DMA data from KRAM to KRAM+32k, while polling KRAM+32k, check the data
//  DMA data from KRAM+32k to KRAM, while polling KRAM, check the data
// -FHDR------------------------------------------------------------------------


#include "util.h"
#include "burst.h"
#include "dma.h"
#include "common.h"
#include "mem_map.h"
#include "jamaica_tests.h"

int kram_dual_access(void)
{ char *stimname = "kram_dual_access";

  //printf("kram_dual_access setup source data\n");//INFO(stimname, "setup source data");
  BURST_WR32(KRAM_BASE+0x00, 0x00112233, 0x44556677, 0x8899aabb, 0xccddeeff);
  BURST_WR32(KRAM_BASE+0x10, 0x10213243, 0x54657687, 0x98a9bacb, 0xdcedfe0f);
  BURST_WR32(KRAM_BASE+0x20, 0x02132334, 0x45566778, 0x899aabbc, 0xcddeeff0);
  BURST_WR32(KRAM_BASE+0x30, 0x0e1d2c3b, 0x4a59687f, 0x8695a4b3, 0xc2d1e0f7);
  WR32(KRAM_BASE+0x6000+0x3c, 0x00000000);

  software_dma_transfer(DMA_CH_SW, KRAM_BASE, KRAM_BASE+0x6000, 64, 8, 8);
  WAIT_RE32(KRAM_BASE+0x6000+0x3c, 0xc2d1e0f7, 256);
  dma_transfer_wait(DMA_CH_SW, 1);

  //printf("kram_dual_acess check destination data\n");//INFO(stimname, "check destination data");
  BURST_RE32(KRAM_BASE+0x6000+0x00, 0x00112233, 0x44556677, 0x8899aabb, 0xccddeeff);
  BURST_RE32(KRAM_BASE+0x6000+0x10, 0x10213243, 0x54657687, 0x98a9bacb, 0xdcedfe0f);
  BURST_RE32(KRAM_BASE+0x6000+0x20, 0x02132334, 0x45566778, 0x899aabbc, 0xcddeeff0);
  BURST_RE32(KRAM_BASE+0x6000+0x30, 0x0e1d2c3b, 0x4a59687f, 0x8695a4b3, 0xc2d1e0f7);

  //printf("kram_dual_acess setup source data\n");//INFO(stimname, "setup source data");
  BURST_WR32(KRAM_BASE+0x6000+0x00, 0x01020304, 0x05060708, 0x090a0b0c, 0x0d0e0f00);
  BURST_WR32(KRAM_BASE+0x6000+0x10, 0x41424344, 0x45464748, 0x494a4b4c, 0x4d4e4f40);
  BURST_WR32(KRAM_BASE+0x6000+0x20, 0x81828384, 0x85868788, 0x898a8b8c, 0x8d8e8f80);
  BURST_WR32(KRAM_BASE+0x6000+0x30, 0xc1c2c3c4, 0xc5c6c7c8, 0xc9cacbcc, 0xcdcecfc0);

  software_dma_transfer(DMA_CH_SW, KRAM_BASE+0x6000, KRAM_BASE, 64, 8, 8);
  WAIT_RE32(KRAM_BASE+0x3c, 0xcdcecfc0, 256);
  dma_transfer_wait(DMA_CH_SW, 1);

  //printf("kram_dual_acess check destination data\n");//INFO(stimname, "check destination data");
  BURST_RE32(KRAM_BASE+0x00, 0x01020304, 0x05060708, 0x090a0b0c, 0x0d0e0f00);
  BURST_RE32(KRAM_BASE+0x10, 0x41424344, 0x45464748, 0x494a4b4c, 0x4d4e4f40);
  BURST_RE32(KRAM_BASE+0x20, 0x81828384, 0x85868788, 0x898a8b8c, 0x8d8e8f80);
  BURST_RE32(KRAM_BASE+0x30, 0xc1c2c3c4, 0xc5c6c7c8, 0xc9cacbcc, 0xcdcecfc0);

  //printf("kram_dual_acess test complete\n");//INFO(stimname, "test complete");
  return 0;
}