board/freescale/m5272c3/m5272c3.c

   1 /*
   2  * (C) Copyright 2000-2003
   3  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   4  *
   5  * Copyright (C) 2012 Freescale Semiconductor, Inc. All Rights Reserved.
   6  *
   7  * SPDX-License-Identifier:     GPL-2.0+
   8  */
   9
  10 #include <common.h>
  11 #include <asm/immap.h>
  12 #include <asm/io.h>
  13
  14 DECLARE_GLOBAL_DATA_PTR;
  15
  16 int checkboard (void) {
  17         puts ("Board: ");
  18         puts ("Freescale MCF5272C3 EVB\n");
  19         return 0;
  20         };
  21
  22 int initdram(void)
  23 {
  24         sdramctrl_t * sdp = (sdramctrl_t *)(MMAP_SDRAM);
  25
  26         out_be16(&sdp->sdram_sdtr, 0xf539);
  27         out_be16(&sdp->sdram_sdcr, 0x4211);
  28
  29         /* Dummy write to start SDRAM */
  30         *((volatile unsigned long *)0) = 0;
  31
  32         gd->ram_size = CONFIG_SYS_SDRAM_SIZE * 1024 * 1024;
  33
  34         return 0;
  35         };
  36
  37 int testdram (void) {
  38         /* TODO: XXX XXX XXX */
  39         printf ("DRAM test not implemented!\n");
  40
  41         return (0);
  42 }