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authorStefan Roese <sr@denx.de>2008-08-12 20:39:27 +0200
committerStefan Roese <sr@denx.de>2008-08-12 20:39:27 +0200
commit9939ffd5fbf1f5aff4d8172531d4fc33797c62c8 (patch)
tree40e9295368c82a9c7f2b09e7b1fb76c2c44df0ce /cpu/mpc512x/iopin.c
parent1c7015100a620582224f25eb057573a0fe147648 (diff)
parentcd82919e6c8a73b363a26f34b734923844e52d1c (diff)
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Merge branch 'master' of /home/stefan/git/u-boot/u-boot into next
Diffstat (limited to 'cpu/mpc512x/iopin.c')
-rw-r--r--cpu/mpc512x/iopin.c49
1 files changed, 49 insertions, 0 deletions
diff --git a/cpu/mpc512x/iopin.c b/cpu/mpc512x/iopin.c
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+/*
+ * (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, 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;
+}