mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
synced 2024-11-17 05:11:01 +00:00
57 lines
2.7 KiB
C++
57 lines
2.7 KiB
C++
/*
|
|
* 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/>.
|
|
*/
|
|
#include <exosphere.hpp>
|
|
#include "warmboot_misc.hpp"
|
|
|
|
namespace ams::warmboot {
|
|
|
|
namespace {
|
|
|
|
constexpr inline const uintptr_t APB_MISC = secmon::MemoryRegionPhysicalDeviceApbMisc.GetAddress();
|
|
constexpr inline const uintptr_t PMC = secmon::MemoryRegionPhysicalDevicePmc.GetAddress();
|
|
constexpr inline const uintptr_t SYSTEM = secmon::MemoryRegionPhysicalDeviceSystem.GetAddress();
|
|
|
|
}
|
|
|
|
void ConfigureMiscSystemDebug() {
|
|
/* Enable RTCK daisy-chaining. */
|
|
reg::Write(APB_MISC + APB_MISC_PP_CONFIG_CTL, APB_MISC_REG_BITS_ENUM(PP_CONFIG_CTL_TBE, ENABLE));
|
|
|
|
/* If we're in production mode, perform JTAG configuration. */
|
|
/* NOTE: While this is what NVidia's code does, this is almost certainly a logic error. */
|
|
/* They intend to configure JTAG only when *not* in production mode. */
|
|
/* However, here we will do what they do, and not what they intend. */
|
|
const bool production_mode = fuse::IsOdmProductionMode();
|
|
if (production_mode) {
|
|
const bool jtag_sts = reg::HasValue(PMC + APBDEV_PMC_STICKY_BITS, PMC_REG_BITS_ENUM(STICKY_BITS_JTAG_STS, ENABLE));
|
|
|
|
reg::ReadWrite(SYSTEM + SB_PFCFG, SB_REG_BITS_ENUM_SEL(PFCFG_DBGEN, jtag_sts, ENABLE, DISABLE),
|
|
SB_REG_BITS_ENUM_SEL(PFCFG_SPNIDEN, jtag_sts, ENABLE, DISABLE),
|
|
SB_REG_BITS_ENUM (PFCFG_NIDEN, ENABLE),
|
|
SB_REG_BITS_ENUM (PFCFG_SPIDEN, DISABLE));
|
|
|
|
reg::ReadWrite(APB_MISC + APB_MISC_PP_CONFIG_CTL, APB_MISC_REG_BITS_ENUM_SEL(PP_CONFIG_CTL_JTAG, jtag_sts, ENABLE, DISABLE));
|
|
}
|
|
|
|
/* Configure HDA codec disable. */
|
|
reg::ReadWrite(PMC + APBDEV_PMC_STICKY_BITS, PMC_REG_BITS_ENUM_SEL(STICKY_BITS_HDA_LPBK_DIS, production_mode, ENABLE, DISABLE));
|
|
|
|
/* Set E_INPUT in PINMUX_AUX_GPIO_PA6 (needed by the XUSB and SATA controllers). */
|
|
reg::ReadWrite(APB_MISC + PINMUX_AUX_GPIO_PA6, PINMUX_REG_BITS_ENUM(AUX_E_INPUT, ENABLE));
|
|
}
|
|
|
|
}
|