+#ifdef CONFIG_ARCH_SA1100
+ /*
+ * First, set up the 3.6864MHz clock on GPIO 27 for the SA-1111:
+ * (SA-1110 Developer's Manual, section 9.1.2.1)
+ */
+ GAFR |= GPIO_32_768kHz;
+ GPDR |= GPIO_32_768kHz;
+ TUCR = TUCR_3_6864MHz;
+#elif CONFIG_ARCH_PXA
+ pxa_gpio_mode(GPIO11_3_6MHz_MD);
+#else
+#error missing clock setup
+#endif