3 * eInfochips Ltd. <www.einfochips.com>
4 * Written-by: Ajay Bhargav <ajay.bhargav@einfochips.com>
7 * Marvell Semiconductor <www.marvell.com>
9 * See file CREDITS for list of people who contributed to this
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License as
14 * published by the Free Software Foundation; either version 2 of
15 * the License, or (at your option) any later version.
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
28 #ifndef _ASM_ARCH_GPIO_H
29 #define _ASM_ARCH_GPIO_H
31 #include <asm/types.h>
32 #include <asm/arch/armada100.h>
37 #define GPIO_TO_REG(gp) (gp >> 5)
38 #define GPIO_TO_BIT(gp) (1 << (gp & 0x1F))
39 #define GPIO_VAL(gp, val) ((val >> (gp & 0x1F)) & 0x01)
41 static inline void *get_gpio_base(int bank)
43 const unsigned int offset[4] = {0, 4, 8, 0x100};
44 /* gpio register bank offset - refer Appendix A.36 */
45 return (struct gpio_reg *)(ARMD1_GPIO_BASE + offset[bank]);
48 #endif /* _ASM_ARCH_GPIO_H */