summaryrefslogtreecommitdiff
path: root/cpu/mpc512x
diff options
context:
space:
mode:
Diffstat (limited to 'cpu/mpc512x')
-rw-r--r--cpu/mpc512x/Makefile2
-rw-r--r--cpu/mpc512x/iopin.c49
2 files changed, 50 insertions, 1 deletions
diff --git a/cpu/mpc512x/Makefile b/cpu/mpc512x/Makefile
index 2be35b2..8ba8ae8 100644
--- a/cpu/mpc512x/Makefile
+++ b/cpu/mpc512x/Makefile
@@ -25,7 +25,7 @@ include $(TOPDIR)/config.mk
LIB = $(obj)lib$(CPU).a
START = start.o
-COBJS = traps.o cpu.o cpu_init.o speed.o interrupts.o serial.o fec.o i2c.o
+COBJS = traps.o cpu.o cpu_init.o speed.o interrupts.o serial.o fec.o i2c.o iopin.o
SRCS := $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
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;
+}