50 lines
1.3 KiB
C
50 lines
1.3 KiB
C
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/*
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* This file is part of the coreboot project.
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*
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* Copyright 2016 Rockchip Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <arch/io.h>
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#include <console/console.h>
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#include <gpio.h>
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#include <soc/addressmap.h>
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#include <soc/gpio.h>
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#include <soc/grf.h>
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#include <soc/soc.h>
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#include <stdlib.h>
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struct rockchip_gpio_regs *gpio_port[] = {
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(struct rockchip_gpio_regs *)GPIO0_BASE,
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(struct rockchip_gpio_regs *)GPIO1_BASE,
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(struct rockchip_gpio_regs *)GPIO2_BASE,
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(struct rockchip_gpio_regs *)GPIO3_BASE,
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(struct rockchip_gpio_regs *)GPIO4_BASE,
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};
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#define PMU_GPIO_PORT0 0
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#define PMU_GPIO_PORT1 1
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int is_pmu_gpio(gpio_t gpio)
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{
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if (gpio.port == PMU_GPIO_PORT0 || gpio.port == PMU_GPIO_PORT1)
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return 1;
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return 0;
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}
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void *gpio_grf_reg(gpio_t gpio)
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{
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if (is_pmu_gpio(gpio))
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return &rk3399_pmugrf->gpio0_p[gpio.port][gpio.bank];
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/* There are two pmu gpio, 0 and 1, so " - 2" */
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return &rk3399_grf->gpio2_p[(gpio.port - 2)][gpio.bank];
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}
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