move time related functions to their own file
[openwrt/staging/chunkeey.git] / target / linux / adm8668 / files / arch / mips / adm8668 / time.c
diff --git a/target/linux/adm8668/files/arch/mips/adm8668/time.c b/target/linux/adm8668/files/arch/mips/adm8668/time.c
new file mode 100644 (file)
index 0000000..047bccd
--- /dev/null
@@ -0,0 +1,17 @@
+#include <linux/init.h>
+#include <linux/kernel.h>
+
+#include <asm/time.h>
+#include <adm8668.h>
+
+void __init plat_time_init(void)
+{
+       int adj = (ADM8668_CONFIG_REG(ADM8668_CR3) >> 11) & 0xf;
+
+       /* adjustable clock selection
+          CR3 bit 14~11, 0000 -> 175MHz, 0001 -> 180MHz, etc... */
+
+       mips_hpt_frequency = (SYS_CLOCK + adj * 5000000) / 2;
+       printk("ADM8668 CPU clock: %d MHz\n", 2*mips_hpt_frequency / 1000000);
+}
+