board/freescale/m5272c3/m5272c3.c

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