mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-15 09:27:35 +00:00
73 lines
1.8 KiB
C
73 lines
1.8 KiB
C
/*
|
|
* (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;
|
|
}
|