mpc5121: Move iopin features from board specific to common files.

And in the process eliminate some duplicate register defines.

Signed-off-by: Kenneth Johansson <kenneth@southpole.se>
diff --git a/cpu/mpc512x/iopin.c b/cpu/mpc512x/iopin.c
new file mode 100644
index 0000000..01ab34a
--- /dev/null
+++ b/cpu/mpc512x/iopin.c
@@ -0,0 +1,49 @@
+/*
+ * (C) Copyright 2008
+ * Martha J Marx, Silicon Turnkey Express, mmarx@silicontkx.com
+ * mpc512x I/O pin/pad initialization for the ADS5121 board
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <linux/types.h>
+#include <mpc512x.h>
+
+void iopin_initialize(iopin_t *ioregs_init, int len)
+{
+	short i, j, n, p;
+	u_long *reg;
+	immap_t *im = (immap_t *)CFG_IMMR;
+
+	reg = (u_long *)&(im->io_ctrl.regs[0]);
+
+	if (sizeof(ioregs_init) == 0)
+		return;
+
+	for (i = 0; i < len; i++) {
+		for (p = 0, j = ioregs_init[i].p_offset / sizeof(u_long);
+			p < ioregs_init[i].nr_pins; p++, j++) {
+			if (ioregs_init[i].bit_or)
+				reg[j] |= ioregs_init[i].val;
+			else
+				reg[j] = ioregs_init[i].val;
+		}
+	}
+	return;
+}