]> git.ipfire.org Git - people/ms/u-boot.git/blob - cpu/mpc512x/iopin.c
rename CFG_ macros to CONFIG_SYS
[people/ms/u-boot.git] / cpu / mpc512x / iopin.c
1 /*
2 * (C) Copyright 2008
3 * Martha J Marx, Silicon Turnkey Express, mmarx@silicontkx.com
4 * mpc512x I/O pin/pad initialization for the ADS5121 board
5 * See file CREDITS for list of people who contributed to this
6 * project.
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21 * MA 02111-1307 USA
22 */
23
24 #include <common.h>
25 #include <linux/types.h>
26 #include <mpc512x.h>
27
28 void iopin_initialize(iopin_t *ioregs_init, int len)
29 {
30 short i, j, p;
31 u_long *reg;
32 immap_t *im = (immap_t *)CONFIG_SYS_IMMR;
33
34 reg = (u_long *)&(im->io_ctrl.regs[0]);
35
36 if (sizeof(ioregs_init) == 0)
37 return;
38
39 for (i = 0; i < len; i++) {
40 for (p = 0, j = ioregs_init[i].p_offset / sizeof(u_long);
41 p < ioregs_init[i].nr_pins; p++, j++) {
42 if (ioregs_init[i].bit_or)
43 reg[j] |= ioregs_init[i].val;
44 else
45 reg[j] = ioregs_init[i].val;
46 }
47 }
48 return;
49 }