* Patch by Gleb Natapov, 19 Sep 2003:
  Move most of the timer interrupt related PPC code to ppc_lib/interrupts.c

* Patch by Anders Larsen, 17 Sep 2003:
  Bring ARM memory layout in sync with the documentation:
  stack and malloc-heap are now located _below_ the U-Boot code
diff --git a/board/hymod/hymod.c b/board/hymod/hymod.c
index 3611a12..dea0a70 100644
--- a/board/hymod/hymod.c
+++ b/board/hymod/hymod.c
@@ -513,3 +513,25 @@
 
 	return (0);
 }
+
+#ifdef CONFIG_SHOW_ACTIVITY
+void board_show_activity (ulong timebase)
+{
+#ifdef CFG_HYMOD_DBLEDS
+	volatile immap_t *immr = (immap_t *) CFG_IMMR;
+	volatile iop8260_t *iop = &immr->im_ioport;
+	static int shift = 0;
+
+	if ((timestamp % CFG_HZ) == 0) {
+		if (++shift > 3)
+			shift = 0;
+		iop->iop_pdatd =
+				(iop->iop_pdatd & ~0x0f000000) | (1 << (24 + shift));
+	}
+#endif /* CFG_HYMOD_DBLEDS */
+}
+
+void show_activity(int arg)
+{
+}
+#endif /* CONFIG_SHOW_ACTIVITY */