| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright 2014 Rockchip Inc. |
| * |
| * 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; version 2 of the License. |
| * |
| * 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. |
| */ |
| |
| #include <arch/io.h> |
| #include <console/console.h> |
| #include <gpio.h> |
| #include <soc/gpio.h> |
| #include <soc/grf.h> |
| #include <soc/pmu.h> |
| #include <soc/soc.h> |
| #include <stdlib.h> |
| |
| struct rockchip_gpio_regs *gpio_port[] = { |
| (struct rockchip_gpio_regs *)0xff750000, |
| (struct rockchip_gpio_regs *)0xff780000, |
| (struct rockchip_gpio_regs *)0xff790000, |
| (struct rockchip_gpio_regs *)0xff7a0000, |
| (struct rockchip_gpio_regs *)0xff7b0000, |
| (struct rockchip_gpio_regs *)0xff7c0000, |
| (struct rockchip_gpio_regs *)0xff7d0000, |
| (struct rockchip_gpio_regs *)0xff7e0000, |
| (struct rockchip_gpio_regs *)0xff7f0000 |
| }; |
| |
| #define PMU_GPIO_PORT 0 |
| |
| int is_pmu_gpio(gpio_t gpio) |
| { |
| if (gpio.port == PMU_GPIO_PORT) |
| return 1; |
| return 0; |
| } |
| |
| void *gpio_grf_reg(gpio_t gpio) |
| { |
| if (is_pmu_gpio(gpio)) |
| return &rk3288_pmu->gpio0pull[gpio.bank]; |
| /* There is one pmu gpio, gpio0 , so " - 1" */ |
| return &rk3288_grf->gpio1_p[(gpio.port - 1)][gpio.bank]; |
| } |
| |
| u32 gpio_get_pull_val(gpio_t gpio, enum gpio_pull pull) |
| { |
| /* use the default gpio pull bias setting defined in soc/gpio.h */ |
| return pull; |
| } |