3 * Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
5 * See file CREDITS for list of people who contributed to this
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.
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.
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,
25 #ifdef CONFIG_AT91_LEGACY
26 #warning Your board is using legacy SoC access. Please update!
29 #include <asm/arch/hardware.h>
30 #include <asm/arch/at91_pmc.h>
31 #include <asm/arch/clk.h>
32 #include <asm/arch/io.h>
34 #ifndef AT91_MAIN_CLOCK
35 #define AT91_MAIN_CLOCK 0
38 int arch_cpu_init(void)
40 return at91_clock_init(AT91_MAIN_CLOCK);
43 #if defined(CONFIG_DISPLAY_CPUINFO)
44 int print_cpuinfo(void)
48 printf("CPU: %s\n", AT91_CPU_NAME);
49 printf("Crystal frequency: %8s MHz\n",
50 strmhz(buf, get_main_clk_rate()));
51 printf("CPU clock : %8s MHz\n",
52 strmhz(buf, get_cpu_clk_rate()));
53 printf("Master clock : %8s MHz\n",
54 strmhz(buf, get_mck_clk_rate()));