From: Pete Batard <pete@akeo.ie>
To: edk2-devel@lists.01.org
Subject: [PATCH v2 edk2-platforms 07/20] Platform/Broadcom/RPi3: Add Firmware driver
Date: Mon, 10 Dec 2018 12:38:40 +0000 [thread overview]
Message-ID: <20181210123853.4864-8-pete@akeo.ie> (raw)
In-Reply-To: <20181210123853.4864-1-pete@akeo.ie>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Pete Batard <pete@akeo.ie>
---
Platform/Broadcom/Bcm283x/Drivers/RpiFirmwareDxe/RpiFirmwareDxe.c | 1085 ++++++++++++++++++++
Platform/Broadcom/Bcm283x/Drivers/RpiFirmwareDxe/RpiFirmwareDxe.inf | 49 +
Platform/Broadcom/Bcm283x/Include/Protocol/RaspberryPiFirmware.h | 131 +++
3 files changed, 1265 insertions(+)
diff --git a/Platform/Broadcom/Bcm283x/Drivers/RpiFirmwareDxe/RpiFirmwareDxe.c b/Platform/Broadcom/Bcm283x/Drivers/RpiFirmwareDxe/RpiFirmwareDxe.c
new file mode 100644
index 000000000000..50f3ed3f1e36
--- /dev/null
+++ b/Platform/Broadcom/Bcm283x/Drivers/RpiFirmwareDxe/RpiFirmwareDxe.c
@@ -0,0 +1,1085 @@
+/** @file
+ *
+ * Copyright (c) 2017-2018, Andrei Warkentin <andrey.warkentin@gmail.com>
+ * Copyright (c) 2016, Linaro, Ltd. 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 <PiDxe.h>
+
+#include <Library/ArmLib.h>
+#include <Library/DmaLib.h>
+#include <Library/BaseLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/DebugLib.h>
+#include <Library/IoLib.h>
+#include <Library/SynchronizationLib.h>
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/UefiLib.h>
+
+#include <IndustryStandard/Bcm2836.h>
+#include <IndustryStandard/RpiFirmware.h>
+
+#include <Protocol/RaspberryPiFirmware.h>
+
+//
+// The number of statically allocated buffer pages
+//
+#define NUM_PAGES 1
+
+//
+// The number of iterations to perform when waiting for the mailbox
+// status to change
+//
+#define MAX_TRIES 0x100000
+
+STATIC VOID *mDmaBuffer;
+STATIC VOID *mDmaBufferMapping;
+STATIC UINTN mDmaBufferBusAddress;
+
+STATIC SPIN_LOCK mMailboxLock;
+
+STATIC
+BOOLEAN
+DrainMailbox (
+ VOID
+ )
+{
+ INTN Tries;
+ UINT32 Val;
+
+ //
+ // Get rid of stale response data in the mailbox
+ //
+ Tries = 0;
+ do {
+ Val = MmioRead32 (BCM2836_MBOX_BASE_ADDRESS + BCM2836_MBOX_STATUS_OFFSET);
+ if (Val & (1U << BCM2836_MBOX_STATUS_EMPTY)) {
+ return TRUE;
+ }
+ ArmDataSynchronizationBarrier ();
+ MmioRead32 (BCM2836_MBOX_BASE_ADDRESS + BCM2836_MBOX_READ_OFFSET);
+ } while (++Tries < MAX_TRIES);
+
+ return FALSE;
+}
+
+STATIC
+BOOLEAN
+MailboxWaitForStatusCleared (
+ IN UINTN StatusMask
+ )
+{
+ INTN Tries;
+ UINT32 Val;
+
+ //
+ // Get rid of stale response data in the mailbox
+ //
+ Tries = 0;
+ do {
+ Val = MmioRead32 (BCM2836_MBOX_BASE_ADDRESS + BCM2836_MBOX_STATUS_OFFSET);
+ if ((Val & StatusMask) == 0) {
+ return TRUE;
+ }
+ ArmDataSynchronizationBarrier ();
+ } while (++Tries < MAX_TRIES);
+
+ return FALSE;
+}
+
+STATIC
+EFI_STATUS
+MailboxTransaction (
+ IN UINTN Length,
+ IN UINTN Channel,
+ OUT UINT32 *Result
+ )
+{
+ if (Channel >= BCM2836_MBOX_NUM_CHANNELS) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ //
+ // Get rid of stale response data in the mailbox
+ //
+ if (!DrainMailbox ()) {
+ DEBUG ((DEBUG_ERROR, "%a: timeout waiting for mailbox to drain\n",
+ __FUNCTION__));
+ return EFI_TIMEOUT;
+ }
+
+ //
+ // Wait for the 'output register full' bit to become clear
+ //
+ if (!MailboxWaitForStatusCleared (1U << BCM2836_MBOX_STATUS_FULL)) {
+ DEBUG ((DEBUG_ERROR, "%a: timeout waiting for outbox to become empty\n",
+ __FUNCTION__));
+ return EFI_TIMEOUT;
+ }
+
+ ArmDataSynchronizationBarrier ();
+
+ //
+ // Start the mailbox transaction
+ //
+ MmioWrite32 (BCM2836_MBOX_BASE_ADDRESS + BCM2836_MBOX_WRITE_OFFSET,
+ (UINT32)((UINTN)mDmaBufferBusAddress | Channel));
+
+ ArmDataSynchronizationBarrier ();
+
+ //
+ // Wait for the 'input register empty' bit to clear
+ //
+ if (!MailboxWaitForStatusCleared (1U << BCM2836_MBOX_STATUS_EMPTY)) {
+ DEBUG ((DEBUG_ERROR, "%a: timeout waiting for inbox to become full\n",
+ __FUNCTION__));
+ return EFI_TIMEOUT;
+ }
+
+ //
+ // Read back the result
+ //
+ ArmDataSynchronizationBarrier ();
+ *Result = MmioRead32 (BCM2836_MBOX_BASE_ADDRESS + BCM2836_MBOX_READ_OFFSET);
+ ArmDataSynchronizationBarrier ();
+
+ return EFI_SUCCESS;
+}
+
+#pragma pack(1)
+typedef struct {
+ UINT32 BufferSize;
+ UINT32 Response;
+} RPI_FW_BUFFER_HEAD;
+
+typedef struct {
+ UINT32 TagId;
+ UINT32 TagSize;
+ UINT32 TagValueSize;
+} RPI_FW_TAG_HEAD;
+
+typedef struct {
+ UINT32 DeviceId;
+ UINT32 PowerState;
+} RPI_FW_POWER_STATE_TAG;
+
+typedef struct {
+ RPI_FW_BUFFER_HEAD BufferHead;
+ RPI_FW_TAG_HEAD TagHead;
+ RPI_FW_POWER_STATE_TAG TagBody;
+ UINT32 EndTag;
+} RPI_FW_SET_POWER_STATE_CMD;
+#pragma pack()
+
+STATIC
+EFI_STATUS
+EFIAPI
+RpiFirmwareSetPowerState (
+ IN UINT32 DeviceId,
+ IN BOOLEAN PowerState,
+ IN BOOLEAN Wait
+ )
+{
+ RPI_FW_SET_POWER_STATE_CMD *Cmd;
+ EFI_STATUS Status;
+ UINT32 Result;
+
+ if (!AcquireSpinLockOrFail (&mMailboxLock)) {
+ DEBUG ((DEBUG_ERROR, "%a: failed to acquire spinlock\n", __FUNCTION__));
+ return EFI_DEVICE_ERROR;
+ }
+
+ Cmd = mDmaBuffer;
+ ZeroMem (Cmd, sizeof *Cmd);
+
+ Cmd->BufferHead.BufferSize = sizeof *Cmd;
+ Cmd->BufferHead.Response = 0;
+ Cmd->TagHead.TagId = RPI_FW_SET_POWER_STATE;
+ Cmd->TagHead.TagSize = sizeof Cmd->TagBody;
+ Cmd->TagHead.TagValueSize = 0;
+ Cmd->TagBody.DeviceId = DeviceId;
+ Cmd->TagBody.PowerState = (PowerState ? RPI_FW_POWER_STATE_ENABLE : 0) |
+ (Wait ? RPI_FW_POWER_STATE_WAIT : 0);
+ Cmd->EndTag = 0;
+
+ Status = MailboxTransaction (Cmd->BufferHead.BufferSize, RPI_FW_MBOX_CHANNEL, &Result);
+
+ ReleaseSpinLock (&mMailboxLock);
+
+ if (EFI_ERROR (Status) ||
+ Cmd->BufferHead.Response != RPI_FW_RESP_SUCCESS) {
+ DEBUG ((DEBUG_ERROR,
+ "%a: mailbox transaction error: Status == %r, Response == 0x%x\n",
+ __FUNCTION__, Status, Cmd->BufferHead.Response));
+ Status = EFI_DEVICE_ERROR;
+ }
+
+ if (!EFI_ERROR (Status) &&
+ PowerState ^ (Cmd->TagBody.PowerState & RPI_FW_POWER_STATE_ENABLE)) {
+ DEBUG ((DEBUG_ERROR, "%a: failed to %sable power for device %d\n",
+ __FUNCTION__, PowerState ? "en" : "dis", DeviceId));
+ Status = EFI_DEVICE_ERROR;
+ }
+
+ return Status;
+}
+
+#pragma pack()
+typedef struct {
+ UINT32 Base;
+ UINT32 Size;
+} RPI_FW_ARM_MEMORY_TAG;
+
+typedef struct {
+ RPI_FW_BUFFER_HEAD BufferHead;
+ RPI_FW_TAG_HEAD TagHead;
+ RPI_FW_ARM_MEMORY_TAG TagBody;
+ UINT32 EndTag;
+} RPI_FW_GET_ARM_MEMORY_CMD;
+#pragma pack()
+
+STATIC
+EFI_STATUS
+EFIAPI
+RpiFirmwareGetArmMemory (
+ OUT UINT32 *Base,
+ OUT UINT32 *Size
+ )
+{
+ RPI_FW_GET_ARM_MEMORY_CMD *Cmd;
+ EFI_STATUS Status;
+ UINT32 Result;
+
+ if (!AcquireSpinLockOrFail (&mMailboxLock)) {
+ DEBUG ((DEBUG_ERROR, "%a: failed to acquire spinlock\n", __FUNCTION__));
+ return EFI_DEVICE_ERROR;
+ }
+
+ Cmd = mDmaBuffer;
+ ZeroMem (Cmd, sizeof *Cmd);
+
+ Cmd->BufferHead.BufferSize = sizeof *Cmd;
+ Cmd->BufferHead.Response = 0;
+ Cmd->TagHead.TagId = RPI_FW_GET_ARM_MEMSIZE;
+ Cmd->TagHead.TagSize = sizeof Cmd->TagBody;
+ Cmd->TagHead.TagValueSize = 0;
+ Cmd->EndTag = 0;
+
+ Status = MailboxTransaction (Cmd->BufferHead.BufferSize, RPI_FW_MBOX_CHANNEL, &Result);
+
+ ReleaseSpinLock (&mMailboxLock);
+
+ if (EFI_ERROR (Status) ||
+ Cmd->BufferHead.Response != RPI_FW_RESP_SUCCESS) {
+ DEBUG ((DEBUG_ERROR,
+ "%a: mailbox transaction error: Status == %r, Response == 0x%x\n",
+ __FUNCTION__, Status, Cmd->BufferHead.Response));
+ return EFI_DEVICE_ERROR;
+ }
+
+ *Base = Cmd->TagBody.Base;
+ *Size = Cmd->TagBody.Size;
+ return EFI_SUCCESS;
+}
+
+#pragma pack()
+typedef struct {
+ UINT8 MacAddress[6];
+ UINT32 Padding;
+} RPI_FW_MAC_ADDR_TAG;
+
+typedef struct {
+ RPI_FW_BUFFER_HEAD BufferHead;
+ RPI_FW_TAG_HEAD TagHead;
+ RPI_FW_MAC_ADDR_TAG TagBody;
+ UINT32 EndTag;
+} RPI_FW_GET_MAC_ADDR_CMD;
+#pragma pack()
+
+STATIC
+EFI_STATUS
+EFIAPI
+RpiFirmwareGetMacAddress (
+ OUT UINT8 MacAddress[6]
+ )
+{
+ RPI_FW_GET_MAC_ADDR_CMD *Cmd;
+ EFI_STATUS Status;
+ UINT32 Result;
+
+ if (!AcquireSpinLockOrFail (&mMailboxLock)) {
+ DEBUG ((DEBUG_ERROR, "%a: failed to acquire spinlock\n", __FUNCTION__));
+ return EFI_DEVICE_ERROR;
+ }
+
+ Cmd = mDmaBuffer;
+ ZeroMem (Cmd, sizeof *Cmd);
+
+ Cmd->BufferHead.BufferSize = sizeof *Cmd;
+ Cmd->BufferHead.Response = 0;
+ Cmd->TagHead.TagId = RPI_FW_GET_MAC_ADDRESS;
+ Cmd->TagHead.TagSize = sizeof Cmd->TagBody;
+ Cmd->TagHead.TagValueSize = 0;
+ Cmd->EndTag = 0;
+
+ Status = MailboxTransaction (Cmd->BufferHead.BufferSize, RPI_FW_MBOX_CHANNEL, &Result);
+
+ ReleaseSpinLock (&mMailboxLock);
+
+ if (EFI_ERROR (Status) ||
+ Cmd->BufferHead.Response != RPI_FW_RESP_SUCCESS) {
+ DEBUG ((DEBUG_ERROR,
+ "%a: mailbox transaction error: Status == %r, Response == 0x%x\n",
+ __FUNCTION__, Status, Cmd->BufferHead.Response));
+ return EFI_DEVICE_ERROR;
+ }
+
+ CopyMem (MacAddress, Cmd->TagBody.MacAddress, sizeof Cmd->TagBody.MacAddress);
+ return EFI_SUCCESS;
+}
+
+#pragma pack()
+typedef struct {
+ UINT64 Serial;
+} RPI_FW_SERIAL_TAG;
+
+typedef struct {
+ RPI_FW_BUFFER_HEAD BufferHead;
+ RPI_FW_TAG_HEAD TagHead;
+ RPI_FW_SERIAL_TAG TagBody;
+ UINT32 EndTag;
+} RPI_FW_GET_SERIAL_CMD;
+#pragma pack()
+
+STATIC
+EFI_STATUS
+EFIAPI
+RpiFirmwareGetSerial (
+ OUT UINT64 *Serial
+ )
+{
+ RPI_FW_GET_SERIAL_CMD *Cmd;
+ EFI_STATUS Status;
+ UINT32 Result;
+
+ if (!AcquireSpinLockOrFail (&mMailboxLock)) {
+ DEBUG ((DEBUG_ERROR, "%a: failed to acquire spinlock\n", __FUNCTION__));
+ return EFI_DEVICE_ERROR;
+ }
+
+ Cmd = mDmaBuffer;
+ ZeroMem (Cmd, sizeof *Cmd);
+
+ Cmd->BufferHead.BufferSize = sizeof *Cmd;
+ Cmd->BufferHead.Response = 0;
+ Cmd->TagHead.TagId = RPI_FW_GET_BOARD_SERIAL;
+ Cmd->TagHead.TagSize = sizeof Cmd->TagBody;
+ Cmd->TagHead.TagValueSize = 0;
+ Cmd->EndTag = 0;
+
+ Status = MailboxTransaction (Cmd->BufferHead.BufferSize, RPI_FW_MBOX_CHANNEL, &Result);
+
+ ReleaseSpinLock (&mMailboxLock);
+
+ if (EFI_ERROR (Status) ||
+ Cmd->BufferHead.Response != RPI_FW_RESP_SUCCESS) {
+ DEBUG ((DEBUG_ERROR,
+ "%a: mailbox transaction error: Status == %r, Response == 0x%x\n",
+ __FUNCTION__, Status, Cmd->BufferHead.Response));
+ return EFI_DEVICE_ERROR;
+ }
+
+ *Serial = Cmd->TagBody.Serial;
+ return EFI_SUCCESS;
+}
+
+#pragma pack()
+typedef struct {
+ UINT32 Model;
+} RPI_FW_MODEL_TAG;
+
+typedef struct {
+ RPI_FW_BUFFER_HEAD BufferHead;
+ RPI_FW_TAG_HEAD TagHead;
+ RPI_FW_MODEL_TAG TagBody;
+ UINT32 EndTag;
+} RPI_FW_GET_MODEL_CMD;
+#pragma pack()
+
+STATIC
+EFI_STATUS
+EFIAPI
+RpiFirmwareGetModel (
+ OUT UINT32 *Model
+ )
+{
+ RPI_FW_GET_MODEL_CMD *Cmd;
+ EFI_STATUS Status;
+ UINT32 Result;
+
+ if (!AcquireSpinLockOrFail (&mMailboxLock)) {
+ DEBUG ((DEBUG_ERROR, "%a: failed to acquire spinlock\n", __FUNCTION__));
+ return EFI_DEVICE_ERROR;
+ }
+
+ Cmd = mDmaBuffer;
+ ZeroMem (Cmd, sizeof *Cmd);
+
+ Cmd->BufferHead.BufferSize = sizeof *Cmd;
+ Cmd->BufferHead.Response = 0;
+ Cmd->TagHead.TagId = RPI_FW_GET_BOARD_MODEL;
+ Cmd->TagHead.TagSize = sizeof Cmd->TagBody;
+ Cmd->TagHead.TagValueSize = 0;
+ Cmd->EndTag = 0;
+
+ Status = MailboxTransaction (Cmd->BufferHead.BufferSize, RPI_FW_MBOX_CHANNEL, &Result);
+
+ ReleaseSpinLock (&mMailboxLock);
+
+ if (EFI_ERROR (Status) ||
+ Cmd->BufferHead.Response != RPI_FW_RESP_SUCCESS) {
+ DEBUG ((DEBUG_ERROR,
+ "%a: mailbox transaction error: Status == %r, Response == 0x%x\n",
+ __FUNCTION__, Status, Cmd->BufferHead.Response));
+ return EFI_DEVICE_ERROR;
+ }
+
+ *Model = Cmd->TagBody.Model;
+ return EFI_SUCCESS;
+}
+
+#pragma pack()
+typedef struct {
+ UINT32 Revision;
+} RPI_FW_MODEL_REVISION_TAG;
+
+typedef struct {
+ RPI_FW_BUFFER_HEAD BufferHead;
+ RPI_FW_TAG_HEAD TagHead;
+ RPI_FW_MODEL_REVISION_TAG TagBody;
+ UINT32 EndTag;
+} RPI_FW_GET_MODEL_REVISION_CMD;
+#pragma pack()
+
+STATIC
+EFI_STATUS
+EFIAPI
+RpiFirmwareGetModelRevision (
+ OUT UINT32 *Revision
+ )
+{
+ RPI_FW_GET_MODEL_REVISION_CMD *Cmd;
+ EFI_STATUS Status;
+ UINT32 Result;
+
+ if (!AcquireSpinLockOrFail (&mMailboxLock)) {
+ DEBUG ((DEBUG_ERROR, "%a: failed to acquire spinlock\n", __FUNCTION__));
+ return EFI_DEVICE_ERROR;
+ }
+
+ Cmd = mDmaBuffer;
+ ZeroMem (Cmd, sizeof *Cmd);
+
+ Cmd->BufferHead.BufferSize = sizeof *Cmd;
+ Cmd->BufferHead.Response = 0;
+ Cmd->TagHead.TagId = RPI_FW_GET_BOARD_REVISION;
+ Cmd->TagHead.TagSize = sizeof Cmd->TagBody;
+ Cmd->TagHead.TagValueSize = 0;
+ Cmd->EndTag = 0;
+
+ Status = MailboxTransaction (Cmd->BufferHead.BufferSize, RPI_FW_MBOX_CHANNEL, &Result);
+
+ ReleaseSpinLock (&mMailboxLock);
+
+ if (EFI_ERROR (Status) ||
+ Cmd->BufferHead.Response != RPI_FW_RESP_SUCCESS) {
+ DEBUG ((DEBUG_ERROR,
+ "%a: mailbox transaction error: Status == %r, Response == 0x%x\n",
+ __FUNCTION__, Status, Cmd->BufferHead.Response));
+ return EFI_DEVICE_ERROR;
+ }
+
+ *Revision = Cmd->TagBody.Revision;
+ return EFI_SUCCESS;
+}
+
+#pragma pack()
+typedef struct {
+ UINT32 Width;
+ UINT32 Height;
+} RPI_FW_FB_SIZE_TAG;
+
+typedef struct {
+ RPI_FW_BUFFER_HEAD BufferHead;
+ RPI_FW_TAG_HEAD TagHead;
+ RPI_FW_FB_SIZE_TAG TagBody;
+ UINT32 EndTag;
+} RPI_FW_GET_FB_SIZE_CMD;
+
+typedef struct {
+ UINT32 Depth;
+} RPI_FW_FB_DEPTH_TAG;
+
+typedef struct {
+ UINT32 Pitch;
+} RPI_FW_FB_PITCH_TAG;
+
+typedef struct {
+ UINT32 AlignmentBase;
+ UINT32 Size;
+} RPI_FW_FB_ALLOC_TAG;
+
+typedef struct {
+ RPI_FW_BUFFER_HEAD BufferHead;
+ RPI_FW_TAG_HEAD FreeFbTag;
+ UINT32 EndTag;
+} RPI_FW_FREE_FB_CMD;
+
+typedef struct {
+ RPI_FW_BUFFER_HEAD BufferHead;
+ RPI_FW_TAG_HEAD PhysSizeTag;
+ RPI_FW_FB_SIZE_TAG PhysSize;
+ RPI_FW_TAG_HEAD VirtSizeTag;
+ RPI_FW_FB_SIZE_TAG VirtSize;
+ RPI_FW_TAG_HEAD DepthTag;
+ RPI_FW_FB_DEPTH_TAG Depth;
+ RPI_FW_TAG_HEAD AllocFbTag;
+ RPI_FW_FB_ALLOC_TAG AllocFb;
+ RPI_FW_TAG_HEAD PitchTag;
+ RPI_FW_FB_PITCH_TAG Pitch;
+ UINT32 EndTag;
+} RPI_FW_INIT_FB_CMD;
+#pragma pack()
+
+STATIC
+EFI_STATUS
+EFIAPI
+RpiFirmwareGetFbSize (
+ OUT UINT32 *Width,
+ OUT UINT32 *Height
+ )
+{
+ RPI_FW_GET_FB_SIZE_CMD *Cmd;
+ EFI_STATUS Status;
+ UINT32 Result;
+
+ if (!AcquireSpinLockOrFail (&mMailboxLock)) {
+ DEBUG ((DEBUG_ERROR, "%a: failed to acquire spinlock\n", __FUNCTION__));
+ return EFI_DEVICE_ERROR;
+ }
+
+ Cmd = mDmaBuffer;
+ ZeroMem (Cmd, sizeof *Cmd);
+
+ Cmd->BufferHead.BufferSize = sizeof *Cmd;
+ Cmd->BufferHead.Response = 0;
+ Cmd->TagHead.TagId = RPI_FW_GET_FB_GEOMETRY;
+ Cmd->TagHead.TagSize = sizeof Cmd->TagBody;
+ Cmd->TagHead.TagValueSize = 0;
+ Cmd->EndTag = 0;
+
+ Status = MailboxTransaction (Cmd->BufferHead.BufferSize, RPI_FW_MBOX_CHANNEL, &Result);
+
+ ReleaseSpinLock (&mMailboxLock);
+
+ if (EFI_ERROR (Status) ||
+ Cmd->BufferHead.Response != RPI_FW_RESP_SUCCESS) {
+ DEBUG ((DEBUG_ERROR,
+ "%a: mailbox transaction error: Status == %r, Response == 0x%x\n",
+ __FUNCTION__, Status, Cmd->BufferHead.Response));
+ return EFI_DEVICE_ERROR;
+ }
+
+ *Width = Cmd->TagBody.Width;
+ *Height = Cmd->TagBody.Height;
+ return EFI_SUCCESS;
+}
+
+STATIC
+EFI_STATUS
+EFIAPI
+RpiFirmwareFreeFb (VOID)
+{
+ RPI_FW_FREE_FB_CMD *Cmd;
+ EFI_STATUS Status;
+ UINT32 Result;
+
+ if (!AcquireSpinLockOrFail (&mMailboxLock)) {
+ DEBUG ((DEBUG_ERROR, "%a: failed to acquire spinlock\n", __FUNCTION__));
+ return EFI_DEVICE_ERROR;
+ }
+
+ Cmd = mDmaBuffer;
+ ZeroMem (Cmd, sizeof *Cmd);
+
+ Cmd->BufferHead.BufferSize = sizeof *Cmd;
+ Cmd->BufferHead.Response = 0;
+
+ Cmd->FreeFbTag.TagId = RPI_FW_FREE_FB;
+ Cmd->FreeFbTag.TagSize = 0;
+ Cmd->FreeFbTag.TagValueSize = 0;
+ Cmd->EndTag = 0;
+
+ Status = MailboxTransaction (Cmd->BufferHead.BufferSize, RPI_FW_MBOX_CHANNEL, &Result);
+ ReleaseSpinLock (&mMailboxLock);
+
+ if (EFI_ERROR (Status) ||
+ Cmd->BufferHead.Response != RPI_FW_RESP_SUCCESS) {
+ DEBUG ((DEBUG_ERROR,
+ "%a: mailbox transaction error: Status == %r, Response == 0x%x\n",
+ __FUNCTION__, Status, Cmd->BufferHead.Response));
+ return EFI_DEVICE_ERROR;
+ }
+
+ return EFI_SUCCESS;
+}
+
+STATIC
+EFI_STATUS
+EFIAPI
+RpiFirmwareAllocFb (
+ IN UINT32 Width,
+ IN UINT32 Height,
+ IN UINT32 Depth,
+ OUT EFI_PHYSICAL_ADDRESS *FbBase,
+ OUT UINTN *FbSize,
+ OUT UINTN *Pitch)
+{
+ RPI_FW_INIT_FB_CMD *Cmd;
+ EFI_STATUS Status;
+ UINT32 Result;
+
+ ASSERT (FbSize != NULL);
+ ASSERT (FbBase != NULL);
+
+ if (!AcquireSpinLockOrFail (&mMailboxLock)) {
+ DEBUG ((DEBUG_ERROR, "%a: failed to acquire spinlock\n", __FUNCTION__));
+ return EFI_DEVICE_ERROR;
+ }
+
+ Cmd = mDmaBuffer;
+ ZeroMem (Cmd, sizeof *Cmd);
+
+ Cmd->BufferHead.BufferSize = sizeof *Cmd;
+ Cmd->BufferHead.Response = 0;
+
+ Cmd->PhysSizeTag.TagId = RPI_FW_SET_FB_PGEOM;
+ Cmd->PhysSizeTag.TagSize = sizeof Cmd->PhysSize;
+ Cmd->PhysSize.Width = Width;
+ Cmd->PhysSize.Height = Height;
+ Cmd->VirtSizeTag.TagId = RPI_FW_SET_FB_VGEOM;
+ Cmd->VirtSizeTag.TagSize = sizeof Cmd->VirtSize;
+ Cmd->VirtSize.Width = Width;
+ Cmd->VirtSize.Height = Height;
+ Cmd->DepthTag.TagId = RPI_FW_SET_FB_DEPTH;
+ Cmd->DepthTag.TagSize = sizeof Cmd->Depth;
+ Cmd->Depth.Depth = Depth;
+ Cmd->AllocFbTag.TagId = RPI_FW_ALLOC_FB;
+ Cmd->AllocFbTag.TagSize = sizeof Cmd->AllocFb;
+ Cmd->AllocFb.AlignmentBase = 32;
+ Cmd->PitchTag.TagId = RPI_FW_GET_FB_LINELENGTH;
+ Cmd->PitchTag.TagSize = sizeof Cmd->Pitch;
+ Cmd->EndTag = 0;
+
+ Status = MailboxTransaction (Cmd->BufferHead.BufferSize, RPI_FW_MBOX_CHANNEL, &Result);
+
+ ReleaseSpinLock (&mMailboxLock);
+
+ if (EFI_ERROR (Status) ||
+ Cmd->BufferHead.Response != RPI_FW_RESP_SUCCESS) {
+ DEBUG ((DEBUG_ERROR,
+ "%a: mailbox transaction error: Status == %r, Response == 0x%x\n",
+ __FUNCTION__, Status, Cmd->BufferHead.Response));
+ return EFI_DEVICE_ERROR;
+ }
+
+ *Pitch = Cmd->Pitch.Pitch;
+ *FbBase = Cmd->AllocFb.AlignmentBase - BCM2836_DMA_DEVICE_OFFSET;
+ *FbSize = Cmd->AllocFb.Size;
+ return EFI_SUCCESS;
+}
+
+#pragma pack()
+typedef struct {
+ RPI_FW_BUFFER_HEAD BufferHead;
+ RPI_FW_TAG_HEAD TagHead;
+ UINT8 CommandLine[0];
+} RPI_FW_GET_COMMAND_LINE_CMD;
+#pragma pack()
+
+STATIC
+EFI_STATUS
+EFIAPI
+RpiFirmwareGetCommmandLine (
+ IN UINTN BufferSize,
+ OUT CHAR8 CommandLine[]
+ )
+{
+ RPI_FW_GET_COMMAND_LINE_CMD *Cmd;
+ EFI_STATUS Status;
+ UINT32 Result;
+
+ if ((BufferSize % sizeof (UINT32)) != 0) {
+ DEBUG ((DEBUG_ERROR, "%a: BufferSize must be a multiple of 4\n",
+ __FUNCTION__));
+ return EFI_INVALID_PARAMETER;
+ }
+
+ if (sizeof *Cmd + BufferSize > EFI_PAGES_TO_SIZE (NUM_PAGES)) {
+ DEBUG ((DEBUG_ERROR, "%a: BufferSize exceeds size of DMA buffer\n",
+ __FUNCTION__));
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ if (!AcquireSpinLockOrFail (&mMailboxLock)) {
+ DEBUG ((DEBUG_ERROR, "%a: failed to acquire spinlock\n", __FUNCTION__));
+ return EFI_DEVICE_ERROR;
+ }
+
+ Cmd = mDmaBuffer;
+ ZeroMem (Cmd, sizeof *Cmd + BufferSize + sizeof (UINT32));
+
+ Cmd->BufferHead.BufferSize = sizeof *Cmd + BufferSize + sizeof (UINT32);
+ Cmd->BufferHead.Response = 0;
+ Cmd->TagHead.TagId = RPI_FW_GET_COMMAND_LINE;
+ Cmd->TagHead.TagSize = BufferSize;
+ Cmd->TagHead.TagValueSize = 0;
+
+ Status = MailboxTransaction (Cmd->BufferHead.BufferSize, RPI_FW_MBOX_CHANNEL, &Result);
+
+ ReleaseSpinLock (&mMailboxLock);
+
+ if (EFI_ERROR (Status) ||
+ Cmd->BufferHead.Response != RPI_FW_RESP_SUCCESS) {
+ DEBUG ((DEBUG_ERROR,
+ "%a: mailbox transaction error: Status == %r, Response == 0x%x\n",
+ __FUNCTION__, Status, Cmd->BufferHead.Response));
+ return EFI_DEVICE_ERROR;
+ }
+
+ Cmd->TagHead.TagValueSize &= ~RPI_FW_VALUE_SIZE_RESPONSE_MASK;
+ if (Cmd->TagHead.TagValueSize >= BufferSize &&
+ Cmd->CommandLine[Cmd->TagHead.TagValueSize - 1] != '\0') {
+ DEBUG ((DEBUG_ERROR, "%a: insufficient buffer size\n", __FUNCTION__));
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ CopyMem (CommandLine, Cmd->CommandLine, Cmd->TagHead.TagValueSize);
+
+ if (CommandLine[Cmd->TagHead.TagValueSize - 1] != '\0') {
+ //
+ // Add a NUL terminator if required.
+ //
+ CommandLine[Cmd->TagHead.TagValueSize] = '\0';
+ }
+
+ return EFI_SUCCESS;
+}
+
+#pragma pack()
+typedef struct {
+ UINT32 ClockId;
+ UINT32 ClockRate;
+ UINT32 SkipTurbo;
+} RPI_FW_SET_CLOCK_RATE_TAG;
+
+typedef struct {
+ RPI_FW_BUFFER_HEAD BufferHead;
+ RPI_FW_TAG_HEAD TagHead;
+ RPI_FW_SET_CLOCK_RATE_TAG TagBody;
+ UINT32 EndTag;
+} RPI_FW_SET_CLOCK_RATE_CMD;
+#pragma pack()
+
+STATIC
+EFI_STATUS
+EFIAPI
+RpiFirmwareSetClockRate (
+ IN UINT32 ClockId,
+ IN UINT32 ClockRate
+ )
+{
+ RPI_FW_SET_CLOCK_RATE_CMD *Cmd;
+ EFI_STATUS Status;
+ UINT32 Result;
+
+ if (!AcquireSpinLockOrFail (&mMailboxLock)) {
+ DEBUG ((DEBUG_ERROR, "%a: failed to acquire spinlock\n", __FUNCTION__));
+ return EFI_DEVICE_ERROR;
+ }
+
+ Cmd = mDmaBuffer;
+ ZeroMem (Cmd, sizeof *Cmd);
+
+ Cmd->BufferHead.BufferSize = sizeof *Cmd;
+ Cmd->BufferHead.Response = 0;
+ Cmd->TagHead.TagId = RPI_FW_SET_CLOCK_RATE,
+ Cmd->TagHead.TagSize = sizeof Cmd->TagBody;
+ Cmd->TagHead.TagValueSize = 0;
+ Cmd->TagBody.ClockId = ClockId;
+ Cmd->TagBody.ClockRate = ClockRate;
+ Cmd->EndTag = 0;
+
+ Status = MailboxTransaction (Cmd->BufferHead.BufferSize, RPI_FW_MBOX_CHANNEL, &Result);
+
+ ReleaseSpinLock (&mMailboxLock);
+
+ if (EFI_ERROR (Status) ||
+ Cmd->BufferHead.Response != RPI_FW_RESP_SUCCESS) {
+ DEBUG ((DEBUG_ERROR,
+ "%a: mailbox transaction error: Status == %r, Response == 0x%x\n",
+ __FUNCTION__, Status, Cmd->BufferHead.Response));
+ return EFI_DEVICE_ERROR;
+ }
+
+ return EFI_SUCCESS;
+}
+
+
+#pragma pack()
+typedef struct {
+ UINT32 ClockId;
+ UINT32 ClockRate;
+} RPI_FW_CLOCK_RATE_TAG;
+
+typedef struct {
+ RPI_FW_BUFFER_HEAD BufferHead;
+ RPI_FW_TAG_HEAD TagHead;
+ RPI_FW_CLOCK_RATE_TAG TagBody;
+ UINT32 EndTag;
+} RPI_FW_GET_CLOCK_RATE_CMD;
+#pragma pack()
+
+STATIC
+EFI_STATUS
+EFIAPI
+RpiFirmwareGetClockRate (
+ IN UINT32 ClockId,
+ IN UINT32 ClockKind,
+ OUT UINT32 *ClockRate
+ )
+{
+ RPI_FW_GET_CLOCK_RATE_CMD *Cmd;
+ EFI_STATUS Status;
+ UINT32 Result;
+
+ if (!AcquireSpinLockOrFail (&mMailboxLock)) {
+ DEBUG ((DEBUG_ERROR, "%a: failed to acquire spinlock\n", __FUNCTION__));
+ return EFI_DEVICE_ERROR;
+ }
+
+ Cmd = mDmaBuffer;
+ ZeroMem (Cmd, sizeof *Cmd);
+
+ Cmd->BufferHead.BufferSize = sizeof *Cmd;
+ Cmd->BufferHead.Response = 0;
+ Cmd->TagHead.TagId = ClockKind,
+ Cmd->TagHead.TagSize = sizeof Cmd->TagBody;
+ Cmd->TagHead.TagValueSize = 0;
+ Cmd->TagBody.ClockId = ClockId;
+ Cmd->EndTag = 0;
+
+ Status = MailboxTransaction (Cmd->BufferHead.BufferSize, RPI_FW_MBOX_CHANNEL, &Result);
+
+ ReleaseSpinLock (&mMailboxLock);
+
+ if (EFI_ERROR (Status) ||
+ Cmd->BufferHead.Response != RPI_FW_RESP_SUCCESS) {
+ DEBUG ((DEBUG_ERROR,
+ "%a: mailbox transaction error: Status == %r, Response == 0x%x\n",
+ __FUNCTION__, Status, Cmd->BufferHead.Response));
+ return EFI_DEVICE_ERROR;
+ }
+
+ *ClockRate = Cmd->TagBody.ClockRate;
+ return EFI_SUCCESS;
+}
+
+STATIC
+EFI_STATUS
+EFIAPI
+RpiFirmwareGetCurrentClockRate (
+ IN UINT32 ClockId,
+ OUT UINT32 *ClockRate
+ )
+{
+ return RpiFirmwareGetClockRate(ClockId, RPI_FW_GET_CLOCK_RATE, ClockRate);
+}
+
+STATIC
+EFI_STATUS
+EFIAPI
+RpiFirmwareGetMaxClockRate (
+ IN UINT32 ClockId,
+ OUT UINT32 *ClockRate
+ )
+{
+ return RpiFirmwareGetClockRate(ClockId, RPI_FW_GET_MAX_CLOCK_RATE, ClockRate);
+}
+
+STATIC
+EFI_STATUS
+EFIAPI
+RpiFirmwareGetMinClockRate (
+ IN UINT32 ClockId,
+ OUT UINT32 *ClockRate
+ )
+{
+ return RpiFirmwareGetClockRate(ClockId, RPI_FW_GET_MIN_CLOCK_RATE, ClockRate);
+}
+
+#pragma pack()
+typedef struct {
+ UINT32 Pin;
+ UINT32 State;
+} RPI_FW_SET_GPIO_TAG;
+
+typedef struct {
+ RPI_FW_BUFFER_HEAD BufferHead;
+ RPI_FW_TAG_HEAD TagHead;
+ RPI_FW_SET_GPIO_TAG TagBody;
+ UINT32 EndTag;
+} RPI_FW_SET_GPIO_CMD;
+#pragma pack()
+
+STATIC
+VOID
+RpiFirmwareLedSet (
+ IN BOOLEAN On
+ )
+{
+ RPI_FW_SET_GPIO_CMD *Cmd;
+ EFI_STATUS Status;
+ UINT32 Result;
+
+ if (!AcquireSpinLockOrFail (&mMailboxLock)) {
+ DEBUG ((DEBUG_ERROR, "%a: failed to acquire spinlock\n", __FUNCTION__));
+ return;
+ }
+
+ Cmd = mDmaBuffer;
+ ZeroMem (Cmd, sizeof *Cmd);
+
+ Cmd->BufferHead.BufferSize = sizeof *Cmd;
+ Cmd->BufferHead.Response = 0;
+ Cmd->TagHead.TagId = RPI_FW_SET_GPIO;
+ Cmd->TagHead.TagSize = sizeof Cmd->TagBody;
+ /*
+ * GPIO_PIN_2 = Activity LED
+ * GPIO_PIN_4 = HDMI Detect (Input / Active Low)
+ * GPIO_PIN_7 = Power LED (Input / Active Low)
+ *
+ * There's also a 128 pin offset.
+ */
+ Cmd->TagBody.Pin = 128 + 2;
+ Cmd->TagBody.State = On;
+ Cmd->TagHead.TagValueSize = 0;
+ Cmd->EndTag = 0;
+
+ Status = MailboxTransaction (Cmd->BufferHead.BufferSize, RPI_FW_MBOX_CHANNEL, &Result);
+
+ ReleaseSpinLock (&mMailboxLock);
+
+ if (EFI_ERROR (Status) ||
+ Cmd->BufferHead.Response != RPI_FW_RESP_SUCCESS) {
+ DEBUG ((DEBUG_ERROR,
+ "%a: mailbox transaction error: Status == %r, Response == 0x%x\n",
+ __FUNCTION__, Status, Cmd->BufferHead.Response));
+ }
+}
+
+STATIC RASPBERRY_PI_FIRMWARE_PROTOCOL mRpiFirmwareProtocol = {
+ RpiFirmwareSetPowerState,
+ RpiFirmwareGetMacAddress,
+ RpiFirmwareGetCommmandLine,
+ RpiFirmwareGetCurrentClockRate,
+ RpiFirmwareGetMaxClockRate,
+ RpiFirmwareGetMinClockRate,
+ RpiFirmwareSetClockRate,
+ RpiFirmwareAllocFb,
+ RpiFirmwareFreeFb,
+ RpiFirmwareGetFbSize,
+ RpiFirmwareLedSet,
+ RpiFirmwareGetSerial,
+ RpiFirmwareGetModel,
+ RpiFirmwareGetModelRevision,
+ RpiFirmwareGetArmMemory
+};
+
+/**
+ Initialize the state information for the CPU Architectural Protocol
+
+ @param ImageHandle of the loaded driver
+ @param SystemTable Pointer to the System Table
+
+ @retval EFI_SUCCESS Protocol registered
+ @retval EFI_OUT_OF_RESOURCES Cannot allocate protocol data structure
+ @retval EFI_DEVICE_ERROR Hardware problems
+
+**/
+EFI_STATUS
+RpiFirmwareDxeInitialize (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+{
+ EFI_STATUS Status;
+ UINTN BufferSize;
+
+ //
+ // We only need one of these
+ //
+ ASSERT_PROTOCOL_ALREADY_INSTALLED (NULL, &gRaspberryPiFirmwareProtocolGuid);
+
+ InitializeSpinLock (&mMailboxLock);
+
+ Status = DmaAllocateBuffer (EfiBootServicesData, NUM_PAGES, &mDmaBuffer);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR, "%a: failed to allocate DMA buffer (Status == %r)\n",
+ __FUNCTION__));
+ return Status;
+ }
+
+ BufferSize = EFI_PAGES_TO_SIZE (NUM_PAGES);
+ Status = DmaMap (MapOperationBusMasterCommonBuffer, mDmaBuffer, &BufferSize,
+ &mDmaBufferBusAddress, &mDmaBufferMapping);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR, "%a: failed to map DMA buffer (Status == %r)\n",
+ __FUNCTION__));
+ goto FreeBuffer;
+ }
+
+ //
+ // The channel index is encoded in the low bits of the bus address,
+ // so make sure these are cleared.
+ //
+ ASSERT (!(mDmaBufferBusAddress & (BCM2836_MBOX_NUM_CHANNELS - 1)));
+
+ Status = gBS->InstallProtocolInterface (&ImageHandle,
+ &gRaspberryPiFirmwareProtocolGuid, EFI_NATIVE_INTERFACE,
+ &mRpiFirmwareProtocol);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR,
+ "%a: failed to install RPI firmware protocol (Status == %r)\n",
+ __FUNCTION__, Status));
+ goto UnmapBuffer;
+ }
+
+ return EFI_SUCCESS;
+
+UnmapBuffer:
+ DmaUnmap (mDmaBufferMapping);
+FreeBuffer:
+ DmaFreeBuffer (NUM_PAGES, mDmaBuffer);
+
+ return Status;
+}
diff --git a/Platform/Broadcom/Bcm283x/Drivers/RpiFirmwareDxe/RpiFirmwareDxe.inf b/Platform/Broadcom/Bcm283x/Drivers/RpiFirmwareDxe/RpiFirmwareDxe.inf
new file mode 100644
index 000000000000..2ab57bbf54f0
--- /dev/null
+++ b/Platform/Broadcom/Bcm283x/Drivers/RpiFirmwareDxe/RpiFirmwareDxe.inf
@@ -0,0 +1,49 @@
+#/** @file
+#
+# Copyright (c) 2017-2018, Andrei Warkentin <andrey.warkentin@gmail.com>
+# Copyright (c) 2016, Linaro, Ltd. 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.
+#
+#**/
+
+[Defines]
+ INF_VERSION = 0x00010019
+ BASE_NAME = RpiFirmwareDxe
+ FILE_GUID = 6d4628df-49a0-4b67-a325-d5af35c65745
+ MODULE_TYPE = DXE_DRIVER
+ VERSION_STRING = 1.0
+ ENTRY_POINT = RpiFirmwareDxeInitialize
+
+[Sources]
+ RpiFirmwareDxe.c
+
+[Packages]
+ ArmPkg/ArmPkg.dec
+ MdePkg/MdePkg.dec
+ EmbeddedPkg/EmbeddedPkg.dec
+ Platform/Broadcom/Bcm283x/RaspberryPiPkg.dec
+
+[LibraryClasses]
+ ArmLib
+ BaseLib
+ BaseMemoryLib
+ DebugLib
+ DmaLib
+ IoLib
+ SynchronizationLib
+ UefiBootServicesTableLib
+ UefiDriverEntryPoint
+ UefiLib
+
+[Protocols]
+ gRaspberryPiFirmwareProtocolGuid ## PRODUCES
+
+[Depex]
+ TRUE
diff --git a/Platform/Broadcom/Bcm283x/Include/Protocol/RaspberryPiFirmware.h b/Platform/Broadcom/Bcm283x/Include/Protocol/RaspberryPiFirmware.h
new file mode 100644
index 000000000000..2a4247584641
--- /dev/null
+++ b/Platform/Broadcom/Bcm283x/Include/Protocol/RaspberryPiFirmware.h
@@ -0,0 +1,131 @@
+/** @file
+ *
+ * Copyright (c) 2016, Linaro 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.
+ *
+ **/
+
+#ifndef __RASPBERRY_PI_FIRMWARE_PROTOCOL_H__
+#define __RASPBERRY_PI_FIRMWARE_PROTOCOL_H__
+
+#define RASPBERRY_PI_FIRMWARE_PROTOL_GUID \
+ { 0x0ACA9535, 0x7AD0, 0x4286, { 0xB0, 0x2E, 0x87, 0xFA, 0x7E, 0x2A, 0x57, 0x11 } }
+
+typedef
+EFI_STATUS
+(EFIAPI *SET_POWER_STATE) (
+ IN UINT32 DeviceId,
+ IN BOOLEAN PowerState,
+ IN BOOLEAN Wait
+ );
+
+typedef
+EFI_STATUS
+(EFIAPI *GET_MAC_ADDRESS) (
+ OUT UINT8 MacAddress[6]
+ );
+
+typedef
+EFI_STATUS
+(EFIAPI *GET_COMMAND_LINE) (
+ IN UINTN BufferSize,
+ OUT CHAR8 CommandLine[]
+ );
+
+typedef
+EFI_STATUS
+(EFIAPI *GET_CLOCK_RATE) (
+ IN UINT32 ClockId,
+ OUT UINT32 *ClockRate
+ );
+
+typedef
+EFI_STATUS
+(EFIAPI *SET_CLOCK_RATE) (
+ IN UINT32 ClockId,
+ OUT UINT32 ClockRate
+ );
+
+typedef
+EFI_STATUS
+(EFIAPI *GET_FB) (
+ IN UINT32 Width,
+ IN UINT32 Height,
+ IN UINT32 Depth,
+ OUT EFI_PHYSICAL_ADDRESS *FbBase,
+ OUT UINTN *FbSize,
+ OUT UINTN *Pitch
+ );
+
+typedef
+EFI_STATUS
+(EFIAPI *GET_FB_SIZE) (
+ OUT UINT32 *Width,
+ OUT UINT32 *Height
+ );
+
+typedef
+EFI_STATUS
+(EFIAPI *FREE_FB) (
+ VOID
+ );
+
+typedef
+VOID
+(EFIAPI *SET_LED) (
+ BOOLEAN On
+ );
+
+typedef
+EFI_STATUS
+(EFIAPI *GET_SERIAL) (
+ UINT64 *Serial
+ );
+
+typedef
+EFI_STATUS
+(EFIAPI *GET_MODEL) (
+ UINT32 *Model
+ );
+
+typedef
+EFI_STATUS
+(EFIAPI *GET_MODEL_REVISION) (
+ UINT32 *Revision
+ );
+
+typedef
+EFI_STATUS
+(EFIAPI *GET_ARM_MEM) (
+ UINT32 *Base,
+ UINT32 *Size
+ );
+
+typedef struct {
+ SET_POWER_STATE SetPowerState;
+ GET_MAC_ADDRESS GetMacAddress;
+ GET_COMMAND_LINE GetCommandLine;
+ GET_CLOCK_RATE GetClockRate;
+ GET_CLOCK_RATE GetMaxClockRate;
+ GET_CLOCK_RATE GetMinClockRate;
+ SET_CLOCK_RATE SetClockRate;
+ GET_FB GetFB;
+ FREE_FB FreeFB;
+ GET_FB_SIZE GetFBSize;
+ SET_LED SetLed;
+ GET_SERIAL GetSerial;
+ GET_MODEL GetModel;
+ GET_MODEL_REVISION GetModelRevision;
+ GET_ARM_MEM GetArmMem;
+} RASPBERRY_PI_FIRMWARE_PROTOCOL;
+
+extern EFI_GUID gRaspberryPiFirmwareProtocolGuid;
+
+#endif
--
2.17.0.windows.1
next prev parent reply other threads:[~2018-12-10 12:39 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-10 12:38 [PATCH v2 edk2-platforms 00/20] Platform/Broadcom: Add Raspberry Pi 3 support Pete Batard
2018-12-10 12:38 ` [PATCH v2 edk2-platforms 01/20] Platform/Broadcom/RPi3: Add Reset and Memory Init libraries Pete Batard
2018-12-12 20:43 ` Ard Biesheuvel
2018-12-13 10:48 ` Pete Batard
2018-12-10 12:38 ` [PATCH v2 edk2-platforms 02/20] Platform/Broadcom/RPi3: Add Platform library Pete Batard
2018-12-10 12:38 ` [PATCH v2 edk2-platforms 03/20] Platform/Broadcom/RPi3: Add GPIO and RTC libraries Pete Batard
2018-12-12 20:50 ` Ard Biesheuvel
2018-12-13 10:49 ` Pete Batard
2018-12-13 10:55 ` Leif Lindholm
2018-12-10 12:38 ` [PATCH v2 edk2-platforms 04/20] Platform/Broadcom/RPi3: Add ACPI Tables Pete Batard
2018-12-12 20:52 ` Ard Biesheuvel
2018-12-13 10:49 ` Pete Batard
2018-12-10 12:38 ` [PATCH v2 edk2-platforms 05/20] Platform/Broadcom/RPi3: Add Boot Manager library Pete Batard
2018-12-12 20:56 ` Ard Biesheuvel
2018-12-10 12:38 ` [PATCH v2 edk2-platforms 06/20] Platform/Broadcom/RPi3: Add Interrupt and Device Tree drivers Pete Batard
2018-12-12 21:09 ` Ard Biesheuvel
2018-12-13 10:49 ` Pete Batard
2018-12-10 12:38 ` Pete Batard [this message]
2018-12-12 21:17 ` [PATCH v2 edk2-platforms 07/20] Platform/Broadcom/RPi3: Add Firmware driver Ard Biesheuvel
2018-12-13 10:49 ` Pete Batard
2018-12-10 12:38 ` [PATCH v2 edk2-platforms 08/20] Platform/Broadcom/RPi3: Add Display driver Pete Batard
2018-12-14 15:06 ` Ard Biesheuvel
2018-12-10 12:38 ` [PATCH v2 edk2-platforms 09/20] Platform/Broadcom/RPi3: Add Graphic Console driver Pete Batard
2018-12-14 15:31 ` Ard Biesheuvel
2018-12-10 12:38 ` [PATCH v2 edk2-platforms 10/20] Platform/Broadcom/RPi3: Add Base MMC driver Pete Batard
2018-12-10 12:38 ` [PATCH v2 edk2-platforms 11/20] Platform/Broadcom/RPi3: Add Arasan " Pete Batard
2018-12-10 12:38 ` [PATCH v2 edk2-platforms 12/20] Platform/Broadcom/RPi3: Add SD Host driver Pete Batard
2018-12-10 12:38 ` [PATCH v2 edk2-platforms 13/20] Platform/Broadcom/RPi3: Add SMBIOS driver Pete Batard
2018-12-14 15:36 ` Ard Biesheuvel
2018-12-10 12:38 ` [PATCH v2 edk2-platforms 14/20] Platform/Broadcom/RPi3: Add NV Storage driver Pete Batard
2018-12-10 12:38 ` [PATCH v2 edk2-platforms 15/20] Platform/Broadcom/RPi3: Add Platform Config driver Pete Batard
2018-12-10 12:38 ` [PATCH v2 edk2-platforms 16/20] Platform/Broadcom/RPi3: Add Raspberry Pi 3 Platform Pete Batard
2018-12-14 15:39 ` Ard Biesheuvel
2018-12-14 16:21 ` Pete Batard
2018-12-10 12:38 ` [PATCH v2 edk2-platforms 17/20] Platform/Broadcom/RPi3 *NON-OSI*: Add ATF binaries Pete Batard
2018-12-10 12:38 ` [PATCH v2 edk2-platforms 18/20] Platform/Broadcom/RPi3 *NON-OSI*: Add Device Tree binaries Pete Batard
2018-12-10 12:38 ` [PATCH v2 edk2-platforms 19/20] Platform/Broadcom/RPi3 *NON-OSI*: Add USB Host driver Pete Batard
2018-12-10 12:38 ` [PATCH v2 edk2-platforms 20/20] Platform/Broadcom/RPi3 *NON-OSI*: Add Logo driver Pete Batard
2018-12-11 18:10 ` [PATCH v2 edk2-platforms 00/20] Platform/Broadcom: Add Raspberry Pi 3 support Leif Lindholm
2018-12-11 20:16 ` Pete Batard
2018-12-11 21:20 ` Ard Biesheuvel
2018-12-12 18:32 ` Leif Lindholm
2018-12-12 19:53 ` Pete Batard
2018-12-12 20:01 ` Leif Lindholm
2018-12-14 16:14 ` Philippe Mathieu-Daudé
2018-12-14 16:36 ` Leif Lindholm
2018-12-14 17:08 ` Pete Batard
2018-12-14 18:41 ` Leif Lindholm
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