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Atmosphere/stratosphere/boot/source/boot_pinmux_configuration.cpp
2019-05-12 03:49:36 -07:00

95 lines
3.3 KiB
C++

/*
* 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_pinmux_map.hpp"
#include "boot_pinmux_initial_configuration_icosa.hpp"
#include "boot_pinmux_initial_configuration_copper.hpp"
#include "boot_pinmux_initial_configuration_hoag.hpp"
#include "boot_pinmux_initial_configuration_iowa.hpp"
#include "boot_pinmux_initial_drive_pad_configuration.hpp"
void Boot::ConfigurePinmux() {
/* Update parks. */
for (size_t i = 0; i < PinmuxPadNameMax; i++) {
Boot::PinmuxUpdatePark(static_cast<u32>(i));
}
/* Dummy read all drive pads. */
for (size_t i = 0; i < PinmuxDrivePadNameMax; i++) {
Boot::PinmuxDummyReadDrivePad(static_cast<u32>(i));
}
/* Set initial pad configs. */
Boot::ConfigurePinmuxInitialPads();
/* Set initial drive pad configs. */
Boot::ConfigurePinmuxInitialDrivePads();
}
void Boot::ConfigurePinmuxInitialPads() {
const PinmuxInitialConfig *configs = nullptr;
size_t num_configs = 0;
const HardwareType hw_type = Boot::GetHardwareType();
switch (hw_type) {
case HardwareType_Icosa:
configs = PinmuxInitialConfigsIcosa;
num_configs = PinmuxNumInitialConfigsIcosa;
break;
case HardwareType_Copper:
configs = PinmuxInitialConfigsCopper;
num_configs = PinmuxNumInitialConfigsCopper;
break;
case HardwareType_Hoag:
configs = PinmuxInitialConfigsHoag;
num_configs = PinmuxNumInitialConfigsHoag;
break;
case HardwareType_Iowa:
configs = PinmuxInitialConfigsIowa;
num_configs = PinmuxNumInitialConfigsIowa;
break;
default:
/* Unknown hardware type, we can't proceed. */
std::abort();
}
/* Ensure we found an appropriate config. */
if (configs == nullptr) {
std::abort();
}
for (size_t i = 0; i < num_configs - 1; i++) {
Boot::PinmuxUpdatePad(configs[i].name, configs[i].val, configs[i].mask);
}
/* Extra configs for iowa only. */
if (hw_type == HardwareType_Iowa) {
static constexpr u32 ExtraIowaPinmuxPadNames[] = {
0xAA, 0xAC, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6, 0xA7, 0xA8, 0xA9
};
for (size_t i = 0; i < sizeof(ExtraIowaPinmuxPadNames) / sizeof(ExtraIowaPinmuxPadNames[0]); i++) {
Boot::PinmuxUpdatePad(ExtraIowaPinmuxPadNames[i], 0x2000, 0x2000);
}
}
}
void Boot::ConfigurePinmuxInitialDrivePads() {
const PinmuxInitialConfig *configs = PinmuxInitialDrivePadConfigs;
for (size_t i = 0; i < PinmuxNumInitialDrivePadConfigs; i++) {
Boot::PinmuxUpdateDrivePad(configs[i].name, configs[i].val, configs[i].mask);
}
}