/* * (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 #include #include #include void iopin_initialize(iopin_t *ioregs_init, int len) { short i, j, p; immap_t *im = (immap_t *)CONFIG_SYS_IMMR; #ifdef CONFIG_ADS5125 u_char *reg; #else u_long *reg; #endif reg = &im->io_ctrl.regs[0]; if (sizeof(ioregs_init) == 0) return; for (i = 0; i < len; i++) { #ifdef CONFIG_ADS5125 for (p = 0, j = ioregs_init[i].p_offset; p < ioregs_init[i].nr_pins; p++, j++) { if (ioregs_init[i].bit_or) setbits(8, &(reg[j]), ioregs_init[i].val); else out_8(®[j], ioregs_init[i].val); } #else 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) setbits(be32, &(reg[j]), ioregs_init[i].val); else out_be32(®[j], ioregs_init[i].val); } #endif } return; }