* (C) Copyright 2009 Samsung Electronics
* Minkyu Kang <mk7.kang@samsung.com>
*
- * 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
+ * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <asm/io.h>
#include <asm/gpio.h>
+#define S5P_GPIO_GET_BANK(x) ((x >> S5P_GPIO_BANK_SHIFT) \
+ & S5P_GPIO_BANK_MASK)
+
+#define S5P_GPIO_GET_PIN(x) (x & S5P_GPIO_PIN_MASK)
+
#define CON_MASK(x) (0xf << ((x) << 2))
#define CON_SFR(x, v) ((v) << ((x) << 2))
struct s5p_gpio_bank *s5p_gpio_get_bank(unsigned gpio)
{
- int bank;
- unsigned g = gpio - s5p_gpio_part_max(gpio);
+ unsigned bank = S5P_GPIO_GET_BANK(gpio);
+ unsigned base = s5p_gpio_base(gpio);
- bank = g / GPIO_PER_BANK;
- bank *= sizeof(struct s5p_gpio_bank);
- return (struct s5p_gpio_bank *) (s5p_gpio_base(gpio) + bank);
+ return (struct s5p_gpio_bank *)(base + bank);
}
int s5p_gpio_get_pin(unsigned gpio)
{
- return gpio % GPIO_PER_BANK;
+ return S5P_GPIO_GET_PIN(gpio);
}
/* Common GPIO API */