mirror of
https://github.com/Atmosphere-NX/Atmosphere
synced 2024-12-27 07:01:32 +00:00
180 lines
11 KiB
C++
180 lines
11 KiB
C++
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/*
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* Copyright (c) 2018-2020 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 <exosphere.hpp>
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namespace ams::pinmux {
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namespace {
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constinit uintptr_t g_pinmux_address = secmon::MemoryRegionPhysicalDeviceApbMisc.GetAddress();
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constinit uintptr_t g_gpio_address = secmon::MemoryRegionPhysicalDeviceGpio.GetAddress();
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}
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void SetRegisterAddress(uintptr_t pinmux_address, uintptr_t gpio_address) {
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g_pinmux_address = pinmux_address;
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g_gpio_address = gpio_address;
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}
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void SetupUartA() {
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/* Get the registers. */
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const uintptr_t PINMUX = g_pinmux_address;
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/* Configure Uart-A. */
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reg::Write(PINMUX + PINMUX_AUX_UART1_TX, PINMUX_REG_BITS_ENUM(AUX_UART1_PM, UARTA),
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PINMUX_REG_BITS_ENUM(AUX_PUPD, NONE),
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PINMUX_REG_BITS_ENUM(AUX_TRISTATE, PASSTHROUGH),
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PINMUX_REG_BITS_ENUM(AUX_E_INPUT, DISABLE),
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PINMUX_REG_BITS_ENUM(AUX_LOCK, DISABLE),
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PINMUX_REG_BITS_ENUM(AUX_E_OD, DISABLE));
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reg::Write(PINMUX + PINMUX_AUX_UART1_RX, PINMUX_REG_BITS_ENUM(AUX_UART1_PM, UARTA),
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PINMUX_REG_BITS_ENUM(AUX_PUPD, PULL_UP),
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PINMUX_REG_BITS_ENUM(AUX_TRISTATE, PASSTHROUGH),
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PINMUX_REG_BITS_ENUM(AUX_E_INPUT, ENABLE),
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PINMUX_REG_BITS_ENUM(AUX_LOCK, DISABLE),
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PINMUX_REG_BITS_ENUM(AUX_E_OD, DISABLE));
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reg::Write(PINMUX + PINMUX_AUX_UART1_RTS, PINMUX_REG_BITS_ENUM(AUX_UART1_PM, UARTA),
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PINMUX_REG_BITS_ENUM(AUX_PUPD, NONE),
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PINMUX_REG_BITS_ENUM(AUX_TRISTATE, PASSTHROUGH),
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PINMUX_REG_BITS_ENUM(AUX_E_INPUT, DISABLE),
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PINMUX_REG_BITS_ENUM(AUX_LOCK, DISABLE),
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PINMUX_REG_BITS_ENUM(AUX_E_OD, DISABLE));
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reg::Write(PINMUX + PINMUX_AUX_UART1_CTS, PINMUX_REG_BITS_ENUM(AUX_UART1_PM, UARTA),
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PINMUX_REG_BITS_ENUM(AUX_PUPD, PULL_DOWN),
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PINMUX_REG_BITS_ENUM(AUX_TRISTATE, PASSTHROUGH),
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PINMUX_REG_BITS_ENUM(AUX_E_INPUT, ENABLE),
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PINMUX_REG_BITS_ENUM(AUX_LOCK, DISABLE),
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PINMUX_REG_BITS_ENUM(AUX_E_OD, DISABLE));
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}
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void SetupUartB() {
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/* Get the registers. */
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const uintptr_t PINMUX = g_pinmux_address;
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/* Configure Uart-B. */
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reg::Write(PINMUX + PINMUX_AUX_UART2_TX, PINMUX_REG_BITS_ENUM(AUX_UART2_PM, UARTB),
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PINMUX_REG_BITS_ENUM(AUX_PUPD, NONE),
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PINMUX_REG_BITS_ENUM(AUX_TRISTATE, PASSTHROUGH),
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PINMUX_REG_BITS_ENUM(AUX_E_INPUT, DISABLE),
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PINMUX_REG_BITS_ENUM(AUX_LOCK, DISABLE),
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PINMUX_REG_BITS_ENUM(AUX_E_OD, DISABLE));
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reg::Write(PINMUX + PINMUX_AUX_UART2_RX, PINMUX_REG_BITS_ENUM(AUX_UART2_PM, UARTB),
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PINMUX_REG_BITS_ENUM(AUX_PUPD, NONE),
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PINMUX_REG_BITS_ENUM(AUX_TRISTATE, PASSTHROUGH),
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PINMUX_REG_BITS_ENUM(AUX_E_INPUT, ENABLE),
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PINMUX_REG_BITS_ENUM(AUX_LOCK, DISABLE),
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PINMUX_REG_BITS_ENUM(AUX_E_OD, DISABLE));
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reg::Write(PINMUX + PINMUX_AUX_UART2_RTS, PINMUX_REG_BITS_ENUM(AUX_UART2_PM, UARTB),
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PINMUX_REG_BITS_ENUM(AUX_PUPD, NONE),
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PINMUX_REG_BITS_ENUM(AUX_TRISTATE, PASSTHROUGH),
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PINMUX_REG_BITS_ENUM(AUX_E_INPUT, DISABLE),
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PINMUX_REG_BITS_ENUM(AUX_LOCK, DISABLE),
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PINMUX_REG_BITS_ENUM(AUX_E_OD, DISABLE));
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reg::Write(PINMUX + PINMUX_AUX_UART2_CTS, PINMUX_REG_BITS_ENUM(AUX_UART2_PM, UARTB),
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PINMUX_REG_BITS_ENUM(AUX_PUPD, NONE),
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PINMUX_REG_BITS_ENUM(AUX_TRISTATE, PASSTHROUGH),
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PINMUX_REG_BITS_ENUM(AUX_E_INPUT, ENABLE),
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PINMUX_REG_BITS_ENUM(AUX_LOCK, DISABLE),
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PINMUX_REG_BITS_ENUM(AUX_E_OD, DISABLE));
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/* Configure GPIO for Uart-B. */
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reg::ReadWrite(g_gpio_address + 0x108, REG_BITS_VALUE(0, 4, 0));
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}
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void SetupUartC() {
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/* Get the registers. */
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const uintptr_t PINMUX = g_pinmux_address;
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/* Configure Uart-B. */
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reg::Write(PINMUX + PINMUX_AUX_UART3_TX, PINMUX_REG_BITS_ENUM(AUX_UART3_PM, UARTC),
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PINMUX_REG_BITS_ENUM(AUX_PUPD, NONE),
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PINMUX_REG_BITS_ENUM(AUX_TRISTATE, PASSTHROUGH),
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PINMUX_REG_BITS_ENUM(AUX_E_INPUT, DISABLE),
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PINMUX_REG_BITS_ENUM(AUX_LOCK, DISABLE),
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PINMUX_REG_BITS_ENUM(AUX_E_OD, DISABLE));
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reg::Write(PINMUX + PINMUX_AUX_UART3_RX, PINMUX_REG_BITS_ENUM(AUX_UART3_PM, UARTC),
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PINMUX_REG_BITS_ENUM(AUX_PUPD, NONE),
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PINMUX_REG_BITS_ENUM(AUX_TRISTATE, PASSTHROUGH),
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PINMUX_REG_BITS_ENUM(AUX_E_INPUT, ENABLE),
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PINMUX_REG_BITS_ENUM(AUX_LOCK, DISABLE),
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PINMUX_REG_BITS_ENUM(AUX_E_OD, DISABLE));
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reg::Write(PINMUX + PINMUX_AUX_UART3_RTS, PINMUX_REG_BITS_ENUM(AUX_UART3_PM, UARTC),
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PINMUX_REG_BITS_ENUM(AUX_PUPD, NONE),
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PINMUX_REG_BITS_ENUM(AUX_TRISTATE, PASSTHROUGH),
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PINMUX_REG_BITS_ENUM(AUX_E_INPUT, DISABLE),
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PINMUX_REG_BITS_ENUM(AUX_LOCK, DISABLE),
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PINMUX_REG_BITS_ENUM(AUX_E_OD, DISABLE));
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reg::Write(PINMUX + PINMUX_AUX_UART3_CTS, PINMUX_REG_BITS_ENUM(AUX_UART3_PM, UARTC),
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PINMUX_REG_BITS_ENUM(AUX_PUPD, NONE),
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PINMUX_REG_BITS_ENUM(AUX_TRISTATE, PASSTHROUGH),
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PINMUX_REG_BITS_ENUM(AUX_E_INPUT, ENABLE),
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PINMUX_REG_BITS_ENUM(AUX_LOCK, DISABLE),
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PINMUX_REG_BITS_ENUM(AUX_E_OD, DISABLE));
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/* Configure GPIO for Uart-C. */
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reg::ReadWrite(g_gpio_address + 0x00C, REG_BITS_VALUE(1, 4, 0));
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}
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void SetupI2c1() {
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/* Get the registers. */
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const uintptr_t PINMUX = g_pinmux_address;
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/* Configure I2c1 */
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reg::Write(PINMUX + PINMUX_AUX_GEN1_I2C_SCL, PINMUX_REG_BITS_ENUM(AUX_GEN1_I2C_PM, I2C1),
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PINMUX_REG_BITS_ENUM(AUX_PUPD, NONE),
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PINMUX_REG_BITS_ENUM(AUX_TRISTATE, PASSTHROUGH),
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PINMUX_REG_BITS_ENUM(AUX_E_INPUT, ENABLE),
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PINMUX_REG_BITS_ENUM(AUX_LOCK, DISABLE),
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PINMUX_REG_BITS_ENUM(AUX_E_OD, DISABLE));
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reg::Write(PINMUX + PINMUX_AUX_GEN1_I2C_SDA, PINMUX_REG_BITS_ENUM(AUX_GEN1_I2C_PM, I2C1),
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PINMUX_REG_BITS_ENUM(AUX_PUPD, NONE),
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PINMUX_REG_BITS_ENUM(AUX_TRISTATE, PASSTHROUGH),
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PINMUX_REG_BITS_ENUM(AUX_E_INPUT, ENABLE),
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PINMUX_REG_BITS_ENUM(AUX_LOCK, DISABLE),
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PINMUX_REG_BITS_ENUM(AUX_E_OD, DISABLE));
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}
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void SetupI2c5() {
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/* Get the registers. */
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const uintptr_t PINMUX = g_pinmux_address;
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/* Configure I2c5 */
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reg::Write(PINMUX + PINMUX_AUX_PWR_I2C_SCL, PINMUX_REG_BITS_ENUM(AUX_PWR_I2C_PM, I2CPMU),
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PINMUX_REG_BITS_ENUM(AUX_PUPD, NONE),
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PINMUX_REG_BITS_ENUM(AUX_TRISTATE, PASSTHROUGH),
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PINMUX_REG_BITS_ENUM(AUX_E_INPUT, ENABLE),
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PINMUX_REG_BITS_ENUM(AUX_LOCK, DISABLE),
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PINMUX_REG_BITS_ENUM(AUX_E_OD, DISABLE));
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reg::Write(PINMUX + PINMUX_AUX_PWR_I2C_SDA, PINMUX_REG_BITS_ENUM(AUX_PWR_I2C_PM, I2CPMU),
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PINMUX_REG_BITS_ENUM(AUX_PUPD, NONE),
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PINMUX_REG_BITS_ENUM(AUX_TRISTATE, PASSTHROUGH),
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PINMUX_REG_BITS_ENUM(AUX_E_INPUT, ENABLE),
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PINMUX_REG_BITS_ENUM(AUX_LOCK, DISABLE),
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PINMUX_REG_BITS_ENUM(AUX_E_OD, DISABLE));
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}
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}
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