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Kernel: Add an SD card driver for the aarch64 port

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Co-authored-by: Ollrogge <nils-ollrogge@outlook.de>
This commit is contained in:
Marco Cutecchia 2023-03-16 10:54:29 +01:00 • committed by Linus Groh
parent bb8092d6a1
commit c91db6ec97
13 changed files with 1465 additions and 0 deletions
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23
Kernel/Storage/StorageManagement.cpp
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@ -13,6 +13,9 @@
# include <Kernel/Arch/x86_64/ISABus/IDEController.h>
# include <Kernel/Arch/x86_64/PCI/IDELegacyModeController.h>
#endif
#if ARCH(AARCH64)
# include <Kernel/Arch/aarch64/RPi/SDHostController.h>
#endif
#include <Kernel/Bus/PCI/API.h>
#include <Kernel/Bus/PCI/Access.h>
#include <Kernel/Bus/PCI/Controller/VolumeManagementDevice.h>
@ -26,6 +29,7 @@
#include <Kernel/Storage/ATA/GenericIDE/Controller.h>
#include <Kernel/Storage/NVMe/NVMeController.h>
#include <Kernel/Storage/Ramdisk/Controller.h>
#include <Kernel/Storage/SD/SDHostController.h>
#include <Kernel/Storage/StorageManagement.h>
#include <LibPartition/EBRPartitionTable.h>
#include <LibPartition/GUIDPartitionTable.h>
@ -40,6 +44,7 @@ static Atomic<u32> s_controller_id;
static Atomic<u32> s_relative_ata_controller_id;
static Atomic<u32> s_relative_nvme_controller_id;
static Atomic<u32> s_relative_sd_controller_id;
static constexpr StringView partition_uuid_prefix = "PARTUUID:"sv;
@ -61,6 +66,7 @@ u32 StorageManagement::generate_relative_nvme_controller_id(Badge<NVMeController
s_relative_nvme_controller_id++;
return controller_id;
}
u32 StorageManagement::generate_relative_ata_controller_id(Badge<ATAController>)
{
auto controller_id = s_relative_ata_controller_id.load();
@ -68,6 +74,13 @@ u32 StorageManagement::generate_relative_ata_controller_id(Badge<ATAController>)
return controller_id;
}
u32 StorageManagement::generate_relative_sd_controller_id(Badge<SDHostController>)
{
auto controller_id = s_relative_sd_controller_id.load();
s_relative_sd_controller_id++;
return controller_id;
}
void StorageManagement::remove_device(StorageDevice& device)
{
m_storage_devices.remove(device);
@ -445,6 +458,16 @@ UNMAP_AFTER_INIT void StorageManagement::initialize(StringView root_device, bool
} else {
enumerate_pci_controllers(force_pio, poll);
}
#if ARCH(AARCH64)
auto& rpi_sdhc = RPi::SDHostController::the();
if (auto maybe_error = rpi_sdhc.initialize(); maybe_error.is_error()) {
dmesgln("Unable to initialize RaspberryPi's SD Host Controller: {}", maybe_error.error());
} else {
m_controllers.append(rpi_sdhc);
}
#endif
// Note: Whether PCI bus is present on the system or not, always try to attach
// a given ramdisk.
auto controller = RamdiskController::try_initialize();