cpu/mcf52x2/speed.c

   1 /*
   2  * (C) Copyright 2003
   3  * Josef Baumgartner <josef.baumgartner@telex.de>
   4  *
   5  * See file CREDITS for list of people who contributed to this
   6  * project.
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License as
  10  * published by the Free Software Foundation; either version 2 of
  11  * the License, or (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  21  * MA 02111-1307 USA
  22  */
  23
  24 #include <common.h>
  25 #include <asm/processor.h>
  26
  27 /*
  28  * get_clocks() fills in gd->cpu_clock and gd->bus_clk
  29  */
  30 int get_clocks (void)
  31 {
  32         DECLARE_GLOBAL_DATA_PTR;
  33
  34         gd->cpu_clk = CFG_CLK;
  35 #ifdef CONFIG_M5249
  36         gd->bus_clk = gd->cpu_clk / 2;
  37 #else
  38         gd->bus_clk = gd->cpu_clk;
  39 #endif
  40         return (0);
  41 }