MIPS: Alchemy: move calc_clock function.

Now that nothing in time.c depends on calc_clock, it can
be moved to clocks.c where it belongs.
While at it, give it a better non-generic name and call it
as soon as possible in plat_mem_init.

Signed-off-by: Manuel Lauss <mano@roarinelk.homelinux.net>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

arch/mips/alchemy/common/setup.c

@@ -44,6 +44,15 @@ extern void set_cpuspec(void);
 
 void __init plat_mem_setup(void)
 {
+	unsigned long est_freq;
+
+	/* determine core clock */
+	est_freq = au1xxx_calc_clock();
+	est_freq += 5000;    /* round */
+	est_freq -= est_freq % 10000;
+	printk(KERN_INFO "(PRId %08x) @ %lu.%02lu MHz\n", read_c0_prid(),
+	       est_freq / 1000000, ((est_freq % 1000000) * 100) / 1000000);
+
 	_machine_restart = au1000_restart;
 	_machine_halt = au1000_halt;
 	pm_power_off = au1000_power_off;