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