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
  15 int checkboard (void) {
  16         puts ("Board: ");
  17         puts ("Freescale MCF5272C3 EVB\n");
  18         return 0;
  19         };
  20
  21 phys_size_t initdram (int board_type) {
  22         sdramctrl_t * sdp = (sdramctrl_t *)(MMAP_SDRAM);
  23
  24         out_be16(&sdp->sdram_sdtr, 0xf539);
  25         out_be16(&sdp->sdram_sdcr, 0x4211);
  26
  27         /* Dummy write to start SDRAM */
  28         *((volatile unsigned long *)0) = 0;
  29
  30         return CONFIG_SYS_SDRAM_SIZE * 1024 * 1024;
  31         };
  32
  33 int testdram (void) {
  34         /* TODO: XXX XXX XXX */
  35         printf ("DRAM test not implemented!\n");
  36
  37         return (0);
  38 }