mirror of
https://github.com/RGBCube/serenity
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39 lines
1.1 KiB
C++
39 lines
1.1 KiB
C++
/*
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* Copyright (c) 2023, the SerenityOS developers.
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/Singleton.h>
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#include <Kernel/Arch/aarch64/RPi/GPIO.h>
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#include <Kernel/Arch/aarch64/RPi/MMIO.h>
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#include <Kernel/Arch/aarch64/RPi/SDHostController.h>
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namespace Kernel::RPi {
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Singleton<SDHostController> s_sdhc;
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SDHostController& SDHostController::the()
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{
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return *s_sdhc;
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}
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SDHostController::SDHostController()
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: ::SDHostController()
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{
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auto& gpio = GPIO::the();
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gpio.set_pin_function(21, GPIO::PinFunction::Alternate3); // CD
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gpio.set_pin_high_detect_enable(21, true);
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gpio.set_pin_function(22, GPIO::PinFunction::Alternate3); // SD1_CLK
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gpio.set_pin_function(23, GPIO::PinFunction::Alternate3); // SD1_CMD
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gpio.set_pin_function(24, GPIO::PinFunction::Alternate3); // SD1_DAT0
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gpio.set_pin_function(25, GPIO::PinFunction::Alternate3); // SD1_DAT1
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gpio.set_pin_function(26, GPIO::PinFunction::Alternate3); // SD1_DAT2
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gpio.set_pin_function(27, GPIO::PinFunction::Alternate3); // SD1_DAT3
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m_registers = MMIO::the().peripheral<SD::HostControlRegisterMap>(0x30'0000);
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}
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}
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