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boot: Implement initial gpio configuration

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This commit is contained in:
Michael Scire 2019-04-29 09:43:48 -07:00
parent e58948a42b
commit 38159bdf9a
11 changed files with 769 additions and 1 deletions
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80
stratosphere/boot/source/boot_gpio_initial_configuration.cpp Normal file
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/*
* Copyright (c) 2018-2019 Atmosphère-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope 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, see <http://www.gnu.org/licenses/>.
*/
#include "boot_functions.hpp"
#include "boot_gpio_initial_configuration_icosa.hpp"
#include "boot_gpio_initial_configuration_copper.hpp"
#include "boot_gpio_initial_configuration_hoag.hpp"
#include "boot_gpio_initial_configuration_iowa.hpp"
void Boot::SetInitialGpioConfiguration() {
const GpioInitialConfig *configs = nullptr;
size_t num_configs = 0;
const HardwareType hw_type = Boot::GetHardwareType();
const FirmwareVersion fw_ver = GetRuntimeFirmwareVersion();
/* Choose GPIO map. */
if (fw_ver >= FirmwareVersion_200) {
switch (hw_type) {
case HardwareType_Icosa:
{
if (fw_ver >= FirmwareVersion_400) {
configs = GpioInitialConfigsIcosa4x;
num_configs = GpioNumInitialConfigsIcosa4x;
} else {
configs = GpioInitialConfigsIcosa;
num_configs = GpioNumInitialConfigsIcosa;
}
}
break;
case HardwareType_Copper:
configs = GpioInitialConfigsCopper;
num_configs = GpioNumInitialConfigsCopper;
break;
case HardwareType_Hoag:
configs = GpioInitialConfigsHoag;
num_configs = GpioNumInitialConfigsHoag;
break;
case HardwareType_Iowa:
configs = GpioInitialConfigsIowa;
num_configs = GpioNumInitialConfigsIowa;
break;
default:
/* Unknown hardware type, we can't proceed. */
std::abort();
}
} else {
/* Until 2.0.0, the GPIO map for Icosa was used for all hardware types. */
configs = GpioInitialConfigsIcosa;
num_configs = GpioNumInitialConfigsIcosa;
}
/* Ensure we found an appropriate config. */
if (configs == nullptr) {
std::abort();
}
for (size_t i = 0; i < num_configs; i++) {
/* Configure the GPIO. */
Boot::GpioConfigure(configs[i].pad_name);
/* Set the GPIO's direction. */
Boot::GpioSetDirection(configs[i].pad_name, configs[i].direction);
/* Set the GPIO's value. */
Boot::GpioSetValue(configs[i].pad_name, configs[i].value);
}
}