arch/arm/cpu/arm920t/at91/cpu.c

   1 /*
   2  * [origin: arch/arm/cpu/arm926ejs/at91/cpu.c]
   3  *
   4  * (C) Copyright 2011
   5  * Andreas Bießmann, andreas.devel@googlemail.com
   6  * (C) Copyright 2010
   7  * Reinhard Meyer, reinhard.meyer@emk-elektronik.de
   8  * (C) Copyright 2009
   9  * Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
  10  *
  11  * See file CREDITS for list of people who contributed to this
  12  * project.
  13  *
  14  * This program is free software; you can redistribute it and/or
  15  * modify it under the terms of the GNU General Public License as
  16  * published by the Free Software Foundation; either version 2 of
  17  * the License, or (at your option) any later version.
  18  *
  19  * This program is distributed in the hope that it will be useful,
  20  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  22  * GNU General Public License for more details.
  23  *
  24  * You should have received a copy of the GNU General Public License
  25  * along with this program; if not, write to the Free Software
  26  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  27  * MA 02111-1307 USA
  28  */
  29
  30 #include <common.h>
  31 #include <asm/io.h>
  32 #include <asm/arch/hardware.h>
  33 #include <asm/arch/clk.h>
  34
  35 #ifndef CONFIG_SYS_AT91_MAIN_CLOCK
  36 #define CONFIG_SYS_AT91_MAIN_CLOCK 0
  37 #endif
  38
  39 int arch_cpu_init(void)
  40 {
  41         return at91_clock_init(CONFIG_SYS_AT91_MAIN_CLOCK);
  42 }