mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
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80 lines
2.9 KiB
C++
80 lines
2.9 KiB
C++
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/*
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* Copyright (c) 2018-2019 Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "boot_functions.hpp"
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#include "boot_gpio_initial_configuration_icosa.hpp"
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#include "boot_gpio_initial_configuration_copper.hpp"
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#include "boot_gpio_initial_configuration_hoag.hpp"
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#include "boot_gpio_initial_configuration_iowa.hpp"
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void Boot::SetInitialGpioConfiguration() {
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const GpioInitialConfig *configs = nullptr;
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size_t num_configs = 0;
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const HardwareType hw_type = Boot::GetHardwareType();
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const FirmwareVersion fw_ver = GetRuntimeFirmwareVersion();
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/* Choose GPIO map. */
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if (fw_ver >= FirmwareVersion_200) {
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switch (hw_type) {
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case HardwareType_Icosa:
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{
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if (fw_ver >= FirmwareVersion_400) {
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configs = GpioInitialConfigsIcosa4x;
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num_configs = GpioNumInitialConfigsIcosa4x;
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} else {
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configs = GpioInitialConfigsIcosa;
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num_configs = GpioNumInitialConfigsIcosa;
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}
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}
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break;
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case HardwareType_Copper:
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configs = GpioInitialConfigsCopper;
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num_configs = GpioNumInitialConfigsCopper;
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break;
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case HardwareType_Hoag:
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configs = GpioInitialConfigsHoag;
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num_configs = GpioNumInitialConfigsHoag;
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break;
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case HardwareType_Iowa:
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configs = GpioInitialConfigsIowa;
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num_configs = GpioNumInitialConfigsIowa;
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break;
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default:
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/* Unknown hardware type, we can't proceed. */
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std::abort();
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}
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} else {
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/* Until 2.0.0, the GPIO map for Icosa was used for all hardware types. */
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configs = GpioInitialConfigsIcosa;
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num_configs = GpioNumInitialConfigsIcosa;
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}
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/* Ensure we found an appropriate config. */
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if (configs == nullptr) {
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std::abort();
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}
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for (size_t i = 0; i < num_configs; i++) {
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/* Configure the GPIO. */
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Boot::GpioConfigure(configs[i].pad_name);
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/* Set the GPIO's direction. */
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Boot::GpioSetDirection(configs[i].pad_name, configs[i].direction);
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/* Set the GPIO's value. */
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Boot::GpioSetValue(configs[i].pad_name, configs[i].value);
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}
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}
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