|
|
|
|
/*
|
|
|
|
|
* (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;
|
|
|
|
|
}
|
