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/*
* (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;
}
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