at91: move cpu info print to cpu

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/cpu/arm926ejs/at91/cpu.c b/cpu/arm926ejs/at91/cpu.c
index 2ae97fe..f2f7b62 100644
--- a/cpu/arm926ejs/at91/cpu.c
+++ b/cpu/arm926ejs/at91/cpu.c
@@ -21,17 +21,34 @@
  * MA 02111-1307 USA
  */
 
-#include <config.h>
+#include <common.h>
 #include <asm/arch/hardware.h>
 #include <asm/arch/at91_pmc.h>
 #include <asm/arch/clk.h>
 #include <asm/arch/io.h>
 
+#ifndef AT91_MAIN_CLOCK
+#define AT91_MAIN_CLOCK 0
+#endif
+
 int arch_cpu_init(void)
 {
-#ifdef AT91_MAIN_CLOCK
 	return at91_clock_init(AT91_MAIN_CLOCK);
-#else
-	return at91_clock_init(0);
-#endif
 }
+
+#if defined(CONFIG_DISPLAY_CPUINFO)
+int print_cpuinfo(void)
+{
+	char buf[32];
+
+	printf("CPU: %s\n", AT91_CPU_NAME);
+	printf("Crystal frequency: %8s MHz\n",
+					strmhz(buf, get_main_clk_rate()));
+	printf("CPU clock        : %8s MHz\n",
+					strmhz(buf, get_cpu_clk_rate()));
+	printf("Master clock     : %8s MHz\n",
+					strmhz(buf, get_mck_clk_rate()));
+
+	return 0;
+}
+#endif