| /* |
| * (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 */ |
