diff options
Diffstat (limited to 'ArmPlatformPkg/ArmJunoPkg/Drivers/ArmJunoDxe/ArmJunoDxe.c')
| -rw-r--r-- | ArmPlatformPkg/ArmJunoPkg/Drivers/ArmJunoDxe/ArmJunoDxe.c | 562 |
1 files changed, 0 insertions, 562 deletions
diff --git a/ArmPlatformPkg/ArmJunoPkg/Drivers/ArmJunoDxe/ArmJunoDxe.c b/ArmPlatformPkg/ArmJunoPkg/Drivers/ArmJunoDxe/ArmJunoDxe.c deleted file mode 100644 index 756c2751e1..0000000000 --- a/ArmPlatformPkg/ArmJunoPkg/Drivers/ArmJunoDxe/ArmJunoDxe.c +++ /dev/null @@ -1,562 +0,0 @@ -/** @file
-*
-* Copyright (c) 2013-2015, ARM Limited. All rights reserved.
-*
-* This program and the accompanying materials
-* are licensed and made available under the terms and conditions of the BSD License
-* which accompanies this distribution. The full text of the license may be found at
-* http://opensource.org/licenses/bsd-license.php
-*
-* THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-* WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-*
-**/
-
-#include "ArmJunoDxeInternal.h"
-#include <ArmPlatform.h>
-
-#include <Protocol/DevicePathFromText.h>
-#include <Protocol/PciRootBridgeIo.h>
-
-#include <Guid/EventGroup.h>
-#include <Guid/GlobalVariable.h>
-
-#include <Library/ArmShellCmdLib.h>
-#include <Library/AcpiLib.h>
-#include <Library/BaseMemoryLib.h>
-#include <Library/DevicePathLib.h>
-#include <Library/MemoryAllocationLib.h>
-#include <Library/UefiRuntimeServicesTableLib.h>
-#include <Library/IoLib.h>
-#include <Library/PrintLib.h>
-
-//
-// Size in number of characters of the Linux boot argument
-// passing the MAC address to be used by the PCI GigaByte
-// Ethernet device : " sky2.mac_address=0x11,0x22,0x33,0x44,0x55,0x66"
-//
-#define SKY2_MAC_ADDRESS_BOOTARG_LEN 47
-
-//
-// Hardware platform identifiers
-//
-typedef enum {
- UNKNOWN,
- JUNO_R0,
- JUNO_R1
-} JUNO_REVISION;
-
-//
-// Function prototypes
-//
-STATIC EFI_STATUS SetJunoR1DefaultBootEntries (
- VOID
- );
-
-// This GUID must match the FILE_GUID in ArmPlatformPkg/ArmJunoPkg/AcpiTables/AcpiTables.inf
-STATIC CONST EFI_GUID mJunoAcpiTableFile = { 0xa1dd808e, 0x1e95, 0x4399, { 0xab, 0xc0, 0x65, 0x3c, 0x82, 0xe8, 0x53, 0x0c } };
-
-typedef struct {
- ACPI_HID_DEVICE_PATH AcpiDevicePath;
- PCI_DEVICE_PATH PciDevicePath;
- EFI_DEVICE_PATH_PROTOCOL EndDevicePath;
-} EFI_PCI_ROOT_BRIDGE_DEVICE_PATH;
-
-STATIC CONST EFI_PCI_ROOT_BRIDGE_DEVICE_PATH mPciRootComplexDevicePath = {
- {
- { ACPI_DEVICE_PATH,
- ACPI_DP,
- { (UINT8) (sizeof (ACPI_HID_DEVICE_PATH)),
- (UINT8) ((sizeof (ACPI_HID_DEVICE_PATH)) >> 8) }
- },
- EISA_PNP_ID (0x0A03),
- 0
- },
- {
- { HARDWARE_DEVICE_PATH,
- HW_PCI_DP,
- { (UINT8) (sizeof (PCI_DEVICE_PATH)),
- (UINT8) ((sizeof (PCI_DEVICE_PATH)) >> 8) }
- },
- 0,
- 0
- },
- {
- END_DEVICE_PATH_TYPE,
- END_ENTIRE_DEVICE_PATH_SUBTYPE,
- { END_DEVICE_PATH_LENGTH, 0 }
- }
-};
-
-EFI_EVENT mAcpiRegistration = NULL;
-
-/**
- * Build and Set UEFI Variable Boot####
- *
- * @param BootVariableName Name of the UEFI Variable
- * @param Attributes 'Attributes' for the Boot#### variable as per UEFI spec
- * @param BootDescription Description of the Boot#### variable
- * @param DevicePath EFI Device Path of the EFI Application to boot
- * @param OptionalData Parameters to pass to the EFI application
- * @param OptionalDataSize Size of the parameters to pass to the EFI application
- *
- * @return EFI_OUT_OF_RESOURCES A memory allocation failed
- * @return Return value of RT.SetVariable
- */
-STATIC
-EFI_STATUS
-BootOptionCreate (
- IN CHAR16 BootVariableName[9],
- IN UINT32 Attributes,
- IN CHAR16* BootDescription,
- IN EFI_DEVICE_PATH_PROTOCOL* DevicePath,
- IN UINT8* OptionalData,
- IN UINTN OptionalDataSize
- )
-{
- UINTN VariableSize;
- UINT8 *Variable;
- UINT8 *VariablePtr;
- UINTN FilePathListLength;
- UINTN BootDescriptionSize;
-
- FilePathListLength = GetDevicePathSize (DevicePath);
- BootDescriptionSize = StrSize (BootDescription);
-
- // Each Boot#### variable is built as follow:
- // UINT32 Attributes
- // UINT16 FilePathListLength
- // CHAR16* Description
- // EFI_DEVICE_PATH_PROTOCOL FilePathList[]
- // UINT8 OptionalData[]
- VariableSize = sizeof (UINT32) + sizeof (UINT16) +
- BootDescriptionSize + FilePathListLength + OptionalDataSize;
- Variable = AllocateZeroPool (VariableSize);
- if (Variable == NULL) {
- return EFI_OUT_OF_RESOURCES;
- }
-
- // 'Attributes' field
- *(UINT32*)Variable = Attributes;
- // 'FilePathListLength' field
- VariablePtr = Variable + sizeof (UINT32);
- *(UINT16*)VariablePtr = FilePathListLength;
- // 'Description' field
- VariablePtr += sizeof (UINT16);
- CopyMem (VariablePtr, BootDescription, BootDescriptionSize);
- // 'FilePathList' field
- VariablePtr += BootDescriptionSize;
- CopyMem (VariablePtr, DevicePath, FilePathListLength);
- // 'OptionalData' field
- VariablePtr += FilePathListLength;
- CopyMem (VariablePtr, OptionalData, OptionalDataSize);
-
- return gRT->SetVariable (
- BootVariableName,
- &gEfiGlobalVariableGuid,
- EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
- VariableSize, Variable
- );
-}
-
-/**
- Notification function of the event defined as belonging to the
- EFI_END_OF_DXE_EVENT_GROUP_GUID event group that was created in
- the entry point of the driver.
-
- This function is called when an event belonging to the
- EFI_END_OF_DXE_EVENT_GROUP_GUID event group is signalled. Such an
- event is signalled once at the end of the dispatching of all
- drivers (end of the so called DXE phase).
-
- @param[in] Event Event declared in the entry point of the driver whose
- notification function is being invoked.
- @param[in] Context NULL
-**/
-STATIC
-VOID
-OnEndOfDxe (
- IN EFI_EVENT Event,
- IN VOID *Context
- )
-{
- EFI_DEVICE_PATH_PROTOCOL* PciRootComplexDevicePath;
- EFI_HANDLE Handle;
- EFI_STATUS Status;
-
- //
- // PCI Root Complex initialization
- // At the end of the DXE phase, we should get all the driver dispatched.
- // Force the PCI Root Complex to be initialized. It allows the OS to skip
- // this step.
- //
- PciRootComplexDevicePath = (EFI_DEVICE_PATH_PROTOCOL*) &mPciRootComplexDevicePath;
- Status = gBS->LocateDevicePath (&gEfiPciRootBridgeIoProtocolGuid,
- &PciRootComplexDevicePath,
- &Handle);
-
- Status = gBS->ConnectController (Handle, NULL, PciRootComplexDevicePath, FALSE);
- ASSERT_EFI_ERROR (Status);
-}
-
-STATIC
-BOOLEAN
-AcpiTableJunoR0Check (
- IN EFI_ACPI_DESCRIPTION_HEADER *AcpiHeader
- )
-{
- return TRUE;
-}
-
-STATIC
-BOOLEAN
-AcpiTableJunoR1Check (
- IN EFI_ACPI_DESCRIPTION_HEADER *AcpiHeader
- )
-{
- return TRUE;
-}
-
-EFI_STATUS
-EFIAPI
-ArmJunoEntryPoint (
- IN EFI_HANDLE ImageHandle,
- IN EFI_SYSTEM_TABLE *SystemTable
- )
-{
- EFI_STATUS Status;
- EFI_PHYSICAL_ADDRESS HypBase;
- CHAR16 *TextDevicePath;
- UINTN TextDevicePathSize;
- VOID *Buffer;
- UINT32 Midr;
- UINT32 CpuType;
- UINT32 CpuRev;
- JUNO_REVISION JunoRevision;
- EFI_EVENT EndOfDxeEvent;
-
- JunoRevision = UNKNOWN;
- Status = PciEmulationEntryPoint ();
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- //
- // If a hypervisor has been declared then we need to make sure its region is protected at runtime
- //
- // Note: This code is only a workaround for our dummy hypervisor (ArmPkg/Extra/AArch64ToAArch32Shim/)
- // that does not set up (yet) the stage 2 translation table to hide its own memory to EL1.
- //
- if (FixedPcdGet32 (PcdHypFvSize) != 0) {
- // Ensure the hypervisor region is strictly contained into a EFI_PAGE_SIZE-aligned region.
- // The memory must be a multiple of EFI_PAGE_SIZE to ensure we do not reserve more memory than the hypervisor itself.
- // A UEFI Runtime region size granularity cannot be smaller than EFI_PAGE_SIZE. If the hypervisor size is not rounded
- // to this size then there is a risk some non-runtime memory could be visible to the OS view.
- if (((FixedPcdGet32 (PcdHypFvSize) & EFI_PAGE_MASK) == 0) && ((FixedPcdGet32 (PcdHypFvBaseAddress) & EFI_PAGE_MASK) == 0)) {
- // The memory needs to be declared because the DXE core marked it as reserved and removed it from the memory space
- // as it contains the Firmware.
- Status = gDS->AddMemorySpace (
- EfiGcdMemoryTypeSystemMemory,
- FixedPcdGet32 (PcdHypFvBaseAddress), FixedPcdGet32 (PcdHypFvSize),
- EFI_MEMORY_WB | EFI_MEMORY_RUNTIME
- );
- if (!EFI_ERROR (Status)) {
- // We allocate the memory to ensure it is marked as runtime memory
- HypBase = FixedPcdGet32 (PcdHypFvBaseAddress);
- Status = gBS->AllocatePages (AllocateAddress, EfiRuntimeServicesCode,
- EFI_SIZE_TO_PAGES (FixedPcdGet32 (PcdHypFvSize)), &HypBase);
- }
- } else {
- // The hypervisor must be contained into a EFI_PAGE_SIZE-aligned region and its size must also be aligned
- // on a EFI_PAGE_SIZE boundary (ie: 4KB).
- Status = EFI_UNSUPPORTED;
- ASSERT_EFI_ERROR (Status);
- }
-
- if (EFI_ERROR (Status)) {
- return Status;
- }
- }
-
- //
- // Create an event belonging to the "gEfiEndOfDxeEventGroupGuid" group.
- // The "OnEndOfDxe()" function is declared as the call back function.
- // It will be called at the end of the DXE phase when an event of the
- // same group is signalled to inform about the end of the DXE phase.
- // Install the INSTALL_FDT_PROTOCOL protocol.
- //
- Status = gBS->CreateEventEx (
- EVT_NOTIFY_SIGNAL,
- TPL_CALLBACK,
- OnEndOfDxe,
- NULL,
- &gEfiEndOfDxeEventGroupGuid,
- &EndOfDxeEvent
- );
-
- // Install dynamic Shell command to run baremetal binaries.
- Status = ShellDynCmdRunAxfInstall (ImageHandle);
- if (EFI_ERROR (Status)) {
- DEBUG ((EFI_D_ERROR, "ArmJunoDxe: Failed to install ShellDynCmdRunAxf\n"));
- }
-
- //
- // We detect whether we are running on a Juno r0 or Juno r1 board at
- // runtime by checking the value of the MIDR register.
- //
-
- Midr = ArmReadMidr ();
- CpuType = (Midr >> ARM_CPU_TYPE_SHIFT) & ARM_CPU_TYPE_MASK;
- CpuRev = Midr & ARM_CPU_REV_MASK;
-
- switch (CpuType) {
- case ARM_CPU_TYPE_A53:
- if (CpuRev == ARM_CPU_REV (0, 0)) {
- JunoRevision = JUNO_R0;
- } else if (CpuRev == ARM_CPU_REV (0, 3)) {
- JunoRevision = JUNO_R1;
- }
- break;
-
- case ARM_CPU_TYPE_A57:
- if (CpuRev == ARM_CPU_REV (0, 0)) {
- JunoRevision = JUNO_R0;
- } else if (CpuRev == ARM_CPU_REV (1, 1)) {
- JunoRevision = JUNO_R1;
- }
- }
-
- //
- // Try to install the ACPI Tables
- //
- if (JunoRevision == JUNO_R0) {
- Status = LocateAndInstallAcpiFromFvConditional (&mJunoAcpiTableFile, AcpiTableJunoR0Check);
- } else if (JunoRevision == JUNO_R1) {
- Status = LocateAndInstallAcpiFromFvConditional (&mJunoAcpiTableFile, AcpiTableJunoR1Check);
- }
- ASSERT_EFI_ERROR (Status);
-
-
- //
- // Set the R1 two boot options if not already done.
- //
- if (JunoRevision == JUNO_R1) {
- Status = SetJunoR1DefaultBootEntries ();
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- // Enable PCI enumeration
- PcdSetBool (PcdPciDisableBusEnumeration, FALSE);
-
- // Declare the related ACPI Tables
- EfiCreateProtocolNotifyEvent (
- &gEfiAcpiTableProtocolGuid,
- TPL_CALLBACK,
- AcpiPciNotificationEvent,
- NULL,
- &mAcpiRegistration
- );
- }
-
- //
- // Set up the device path to the FDT.
- //
- switch (JunoRevision) {
- case JUNO_R0:
- TextDevicePath = (CHAR16*)FixedPcdGetPtr (PcdJunoR0FdtDevicePath);
- break;
-
- case JUNO_R1:
- TextDevicePath = (CHAR16*)FixedPcdGetPtr (PcdJunoR1A57x2FdtDevicePath);
- break;
-
- default:
- TextDevicePath = NULL;
- }
-
- if (TextDevicePath != NULL) {
- TextDevicePathSize = StrSize (TextDevicePath);
- Buffer = PcdSetPtr (PcdFdtDevicePaths, &TextDevicePathSize, TextDevicePath);
- Status = (Buffer != NULL) ? EFI_SUCCESS : EFI_BUFFER_TOO_SMALL;
- } else {
- Status = EFI_NOT_FOUND;
- }
-
- if (EFI_ERROR (Status)) {
- DEBUG (
- (EFI_D_ERROR,
- "ArmJunoDxe: Setting of FDT device path in PcdFdtDevicePaths failed - %r\n", Status)
- );
- return Status;
- }
-
- return Status;
-}
-
-/**
- * If no boot entry is currently defined, define the two default boot entries
- * for Juno R1.
- *
- * @return EFI_SUCCESS Some boot entries were already defined or
- * the default boot entries were set successfully.
- * @return EFI_OUT_OF_RESOURCES A memory allocation failed.
- * @return EFI_DEVICE_ERROR An UEFI variable could not be saved due to a hardware failure.
- * @return EFI_WRITE_PROTECTED An UEFI variable is read-only.
- * @return EFI_SECURITY_VIOLATION An UEFI variable could not be written.
- */
-STATIC
-EFI_STATUS
-SetJunoR1DefaultBootEntries (
- VOID
- )
-{
- EFI_STATUS Status;
- CONST CHAR16* ExtraBootArgument = L" dtb=r1a57a53.dtb";
- UINTN Size;
- EFI_DEVICE_PATH_FROM_TEXT_PROTOCOL *EfiDevicePathFromTextProtocol;
- EFI_DEVICE_PATH* BootDevicePath;
- UINT32 SysPciGbeL;
- UINT32 SysPciGbeH;
- CHAR16* DefaultBootArgument;
- CHAR16* DefaultBootArgument1;
- UINTN DefaultBootArgument1Size;
- CHAR16* DefaultBootArgument2;
- UINTN DefaultBootArgument2Size;
- UINT16 BootOrder[2];
-
- BootDevicePath = NULL;
- DefaultBootArgument1 = NULL;
- DefaultBootArgument2 = NULL;
-
- //
- // Because the driver has a dependency on gEfiVariable(Write)ArchProtocolGuid
- // (see [Depex] section of the INF file), we know we can safely access the
- // UEFI Variable at that stage.
- //
- Size = 0;
- Status = gRT->GetVariable (L"BootOrder", &gEfiGlobalVariableGuid, NULL, &Size, NULL);
- if (Status != EFI_NOT_FOUND) {
- return EFI_SUCCESS;
- }
-
- Status = gBS->LocateProtocol (
- &gEfiDevicePathFromTextProtocolGuid,
- NULL,
- (VOID **)&EfiDevicePathFromTextProtocol
- );
- if (EFI_ERROR (Status)) {
- //
- // You must provide an implementation of DevicePathFromTextProtocol
- // in your firmware (eg: DevicePathDxe)
- //
- DEBUG ((EFI_D_ERROR, "Error: Require DevicePathFromTextProtocol\n"));
- return Status;
- }
- //
- // We use the same default kernel.
- //
- BootDevicePath = EfiDevicePathFromTextProtocol->ConvertTextToDevicePath (
- (CHAR16*)PcdGetPtr (PcdDefaultBootDevicePath)
- );
- if (BootDevicePath == NULL) {
- return EFI_UNSUPPORTED;
- }
-
- DefaultBootArgument = (CHAR16*)PcdGetPtr (PcdDefaultBootArgument);
- DefaultBootArgument1Size = StrSize (DefaultBootArgument) +
- (SKY2_MAC_ADDRESS_BOOTARG_LEN * sizeof (CHAR16));
- DefaultBootArgument2Size = DefaultBootArgument1Size + StrSize (ExtraBootArgument);
-
- Status = EFI_OUT_OF_RESOURCES;
- DefaultBootArgument1 = AllocatePool (DefaultBootArgument1Size);
- if (DefaultBootArgument1 == NULL) {
- goto Error;
- }
- DefaultBootArgument2 = AllocatePool (DefaultBootArgument2Size);
- if (DefaultBootArgument2 == NULL) {
- goto Error;
- }
-
- SysPciGbeL = MmioRead32 (ARM_JUNO_SYS_PCIGBE_L);
- SysPciGbeH = MmioRead32 (ARM_JUNO_SYS_PCIGBE_H);
-
- UnicodeSPrint (
- DefaultBootArgument1,
- DefaultBootArgument1Size,
- L"%s sky2.mac_address=0x%02x,0x%02x,0x%02x,0x%02x,0x%02x,0x%02x",
- DefaultBootArgument,
- (SysPciGbeH >> 8 ) & 0xFF, (SysPciGbeH ) & 0xFF,
- (SysPciGbeL >> 24) & 0xFF, (SysPciGbeL >> 16) & 0xFF,
- (SysPciGbeL >> 8 ) & 0xFF, (SysPciGbeL ) & 0xFF
- );
-
- CopyMem (DefaultBootArgument2, DefaultBootArgument1, DefaultBootArgument1Size);
- CopyMem (
- (UINT8*)DefaultBootArgument2 + DefaultBootArgument1Size - sizeof (CHAR16),
- ExtraBootArgument,
- StrSize (ExtraBootArgument)
- );
-
- //
- // Create Boot0001 environment variable
- //
- Status = BootOptionCreate (
- L"Boot0001", LOAD_OPTION_ACTIVE | LOAD_OPTION_CATEGORY_BOOT,
- L"Linux with A57x2", BootDevicePath,
- (UINT8*)DefaultBootArgument1, DefaultBootArgument1Size
- );
- if (EFI_ERROR (Status)) {
- ASSERT_EFI_ERROR (Status);
- goto Error;
- }
-
- //
- // Create Boot0002 environment variable
- //
- Status = BootOptionCreate (
- L"Boot0002", LOAD_OPTION_ACTIVE | LOAD_OPTION_CATEGORY_BOOT,
- L"Linux with A57x2_A53x4", BootDevicePath,
- (UINT8*)DefaultBootArgument2, DefaultBootArgument2Size
- );
- if (EFI_ERROR (Status)) {
- ASSERT_EFI_ERROR (Status);
- goto Error;
- }
-
- //
- // Add the new Boot Index to the list
- //
- BootOrder[0] = 1; // Boot0001
- BootOrder[1] = 2; // Boot0002
- Status = gRT->SetVariable (
- L"BootOrder",
- &gEfiGlobalVariableGuid,
- EFI_VARIABLE_NON_VOLATILE |
- EFI_VARIABLE_BOOTSERVICE_ACCESS |
- EFI_VARIABLE_RUNTIME_ACCESS,
- sizeof (BootOrder),
- BootOrder
- );
-
-Error:
- if (BootDevicePath != NULL) {
- FreePool (BootDevicePath);
- }
- if (DefaultBootArgument1 != NULL) {
- FreePool (DefaultBootArgument1);
- }
- if (DefaultBootArgument2 != NULL) {
- FreePool (DefaultBootArgument2);
- }
-
- if (EFI_ERROR (Status)) {
- DEBUG ((
- EFI_D_ERROR,
- "ArmJunoDxe - The setting of the default boot entries failed - %r\n",
- Status
- ));
- }
-
- return Status;
-}
|