+
+#ifdef CONFIG_ARC
+ /*
+ * UART ISS(Instruction Set simulator) emulation has a subtle bug:
+ * A existing value of Baudh = 0 is used as a indication to startup
+ * it's internal state machine.
+ * Thus if baudh is set to 0, 2 times, it chokes.
+ * This happens with BAUD=115200 and the formaula above
+ * Until that is fixed, when running on ISS, we will set baudh to !0
+ */
+ if (gd->arch.running_on_hw)
+ writel((arc_console_baud & 0xff00) >> 8, ®s->baudh);
+ else
+ writel(1, ®s->baudh);
+#else