mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-08-28 21:09:00 +09:00
49 lines
1.5 KiB
C
49 lines
1.5 KiB
C
![]() |
/*
|
||
|
* (C) Copyright 2011
|
||
|
* eInfochips Ltd. <www.einfochips.com>
|
||
|
* Written-by: Ajay Bhargav <ajay.bhargav@einfochips.com>
|
||
|
*
|
||
|
* (C) Copyright 2010
|
||
|
* Marvell Semiconductor <www.marvell.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., 51 Franklin Street, Fifth Floor, Boston,
|
||
|
* MA 02110-1301 USA
|
||
|
*/
|
||
|
|
||
|
#ifndef _ASM_ARCH_GPIO_H
|
||
|
#define _ASM_ARCH_GPIO_H
|
||
|
|
||
|
#include <asm/types.h>
|
||
|
#include <asm/arch/armada100.h>
|
||
|
|
||
|
#define GPIO_HIGH 1
|
||
|
#define GPIO_LOW 0
|
||
|
|
||
|
#define GPIO_TO_REG(gp) (gp >> 5)
|
||
|
#define GPIO_TO_BIT(gp) (1 << (gp & 0x1F))
|
||
|
#define GPIO_VAL(gp, val) ((val >> (gp & 0x1F)) & 0x01)
|
||
|
|
||
|
static inline void *get_gpio_base(int bank)
|
||
|
{
|
||
|
const unsigned int offset[4] = {0, 4, 8, 0x100};
|
||
|
/* gpio register bank offset - refer Appendix A.36 */
|
||
|
return (struct gpio_reg *)(ARMD1_GPIO_BASE + offset[bank]);
|
||
|
}
|
||
|
|
||
|
#endif /* _ASM_ARCH_GPIO_H */
|