/* * (C) Copyright 2003 * Texas Instruments <www.ti.com> * * 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 <command.h> #include <arm925t.h> ushort gpioreserved; void gpioreserve(ushort mask) { gpioreserved |= mask; } void gpiosetdir(ushort mask, ushort in) { *(ushort *)GPIO_DIR_CONTROL_REG = (*(ushort *)GPIO_DIR_CONTROL_REG & ~mask) | (in & mask); } void gpiosetout(ushort mask, ushort out) { ushort *r_ptr, r_val; r_ptr = (ushort *)GPIO_DATA_OUTPUT_REG; /* set pointer */ r_val = *r_ptr & ~mask; /* get previous val, clear bits we want to change */ r_val |= (out & mask); /* set specified bits in value + plus origional ones */ *r_ptr = r_val; /* write it out */ /* * gcc screwed this one up :(. * * *(ushort *)GPIO_DATA_OUTPUT_REG = (*(ushort *)GPIO_DATA_OUTPUT_REG & ~mask) | (out & mask); */ } void gpioinit(void) { } #define MIF_CONFIG_REG 0xFFFECC0C #define FLASH_GLOBAL_CTRL_NWP 1 void archflashwp (void *archdata, int wp) { ulong *fgc = (ulong *) MIF_CONFIG_REG; if (wp == 1) *fgc &= ~FLASH_GLOBAL_CTRL_NWP; else *fgc |= FLASH_GLOBAL_CTRL_NWP; }