Atmosphere/stratosphere/boot/source/pinmux/pinmux_initial_configuration.cpp

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/*
* Copyright (c) 2018-2020 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/>.
*/
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#include "pinmux_initial_configuration.hpp"
#include "pinmux_utils.hpp"
namespace ams::pinmux {
namespace {
struct InitialConfig {
u32 name;
u32 val;
u32 mask;
};
/* Include all initial configuration definitions. */
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#include "pinmux_initial_configuration_icosa.inc"
#include "pinmux_initial_configuration_copper.inc"
#include "pinmux_initial_configuration_hoag.inc"
#include "pinmux_initial_configuration_iowa.inc"
#include "pinmux_initial_drive_pad_configuration.inc"
/* Configuration helpers. */
void ConfigureInitialPads() {
const InitialConfig *configs = nullptr;
size_t num_configs = 0;
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const auto hw_type = spl::GetHardwareType();
switch (hw_type) {
case spl::HardwareType::Icosa:
configs = InitialConfigsIcosa;
num_configs = NumInitialConfigsIcosa;
break;
case spl::HardwareType::Copper:
configs = InitialConfigsCopper;
num_configs = NumInitialConfigsCopper;
break;
case spl::HardwareType::Hoag:
configs = InitialConfigsHoag;
num_configs = NumInitialConfigsHoag;
break;
case spl::HardwareType::Iowa:
configs = InitialConfigsIowa;
num_configs = NumInitialConfigsIowa;
break;
/* Unknown hardware type, we can't proceed. */
AMS_UNREACHABLE_DEFAULT_CASE();
}
/* Ensure we found an appropriate config. */
AMS_ASSERT(configs != nullptr);
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for (size_t i = 0; i < num_configs; i++) {
UpdatePad(configs[i].name, configs[i].val, configs[i].mask);
}
/* Extra configs for iowa only. */
if (hw_type == spl::HardwareType::Iowa) {
static constexpr u32 ExtraIowaPadNames[] = {
0xAA, 0xAC, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6, 0xA7, 0xA8, 0xA9
};
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for (size_t i = 0; i < util::size(ExtraIowaPadNames); i++) {
UpdatePad(ExtraIowaPadNames[i], 0x2000, 0x2000);
}
}
}
void ConfigureInitialDrivePads() {
const InitialConfig *configs = InitialDrivePadConfigs;
for (size_t i = 0; i < NumInitialDrivePadConfigs; i++) {
UpdateDrivePad(configs[i].name, configs[i].val, configs[i].mask);
}
}
}
void SetInitialConfiguration() {
/* Update all parks. */
UpdateAllParks();
/* Dummy read all drive pads. */
DummyReadAllDrivePads();
/* Set initial pad configs. */
ConfigureInitialPads();
/* Set initial drive pad configs. */
ConfigureInitialDrivePads();
}
}