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1. Add NULL QH to set as QH header;

Browse Source 
2. Do ping for high speed OUT pipe;
3. Bug fix for QTD size detection;
4. Bug fix for short package detection;
5. Bug fix get next QTD in ExcutionTransfer;
6. BOT module modify to follow spec;
7. Massstorage error hanling enhancement 

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2321 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
qhuang8
2007-01-26 04:08:57 +00:00
parent 01bf334d2c
commit 4d1fe68e1c
16 changed files with 1998 additions and 1893 deletions
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5
EdkModulePkg/Bus/Pci/Ehci/Dxe/Debug.c
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@@ -22,7 +22,8 @@ Revision History
#include "Ehci.h"
void
VOID
DumpEHCIPortsStatus (
IN USB2_HC_DEV *HcDev
)
@@ -47,6 +48,8 @@ DumpEHCIPortsStatus (
);
DEBUG((gEHCDebugLevel, "Port[%d] = 0x%x\n", Index, Value));
}
}

767
EdkModulePkg/Bus/Pci/Ehci/Dxe/Ehci.c
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692
EdkModulePkg/Bus/Pci/Ehci/Dxe/Ehci.h
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110
EdkModulePkg/Bus/Pci/Ehci/Dxe/EhciMem.c
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@@ -1,20 +1,20 @@
/*++
Copyright (c) 2006, Intel Corporation
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.
Copyright (c) 2006, Intel Corporation
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.
Module Name:
EhciMem.c
Abstract:
Abstract:
Revision History
--*/
@@ -40,13 +40,13 @@ Arguments:
HcDev - USB2_HC_DEV
MemoryHeader - MEMORY_MANAGE_HEADER to output
MemoryBlockSizeInPages - MemoryBlockSizeInPages
Returns:
EFI_SUCCESS Success
EFI_OUT_OF_RESOURCES Fail for no resources
EFI_UNSUPPORTED Unsupported currently
--*/
{
EFI_STATUS Status;
@@ -73,7 +73,7 @@ Returns:
//
// each bit in Bit Array will manage 32 bytes memory in memory block
//
(*MemoryHeader)->BitArraySizeInBytes = ((*MemoryHeader)->MemoryBlockSizeInBytes / 32) / 8;
(*MemoryHeader)->BitArraySizeInBytes = ((*MemoryHeader)->MemoryBlockSizeInBytes / MEM_UNIT_SIZE) / 8;
//
// Allocate memory for BitArray
@@ -83,7 +83,7 @@ Returns:
gBS->FreePool (*MemoryHeader);
return EFI_OUT_OF_RESOURCES;
}
//
// Memory Block uses MemoryBlockSizeInPages pages,
// and it is allocated as common buffer use.
@@ -112,7 +112,7 @@ Returns:
&Mapping
);
//
// If returned Mapped size is less than the size
// If returned Mapped size is less than the size
// we request,do not support.
//
if (EFI_ERROR (Status) || (MemoryBlockSizeInBytes != EFI_PAGES_TO_SIZE (MemoryBlockSizeInPages))) {
@@ -121,9 +121,9 @@ Returns:
gBS->FreePool (*MemoryHeader);
return EFI_UNSUPPORTED;
}
//
// Data structure involved by host controller
// Data structure involved by host controller
// should be restricted into the same 4G
//
if (HcDev->Is64BitCapable != 0) {
@@ -135,7 +135,7 @@ Returns:
return EFI_UNSUPPORTED;
}
}
//
// Set Memory block initial address
//
@@ -240,16 +240,16 @@ Returns:
ASSERT (MemoryHeader != NULL);
OldTpl = gBS->RaiseTPL (EFI_TPL_NOTIFY + 1);
//
// allocate unit is 32 bytes (align on 32 byte)
//
if (AllocSize & 0x1F) {
RealAllocSize = (AllocSize / 32 + 1) * 32;
if (AllocSize & (MEM_UNIT_SIZE - 1)) {
RealAllocSize = (AllocSize / MEM_UNIT_SIZE + 1) * MEM_UNIT_SIZE;
} else {
RealAllocSize = AllocSize;
}
//
// There may be linked MemoryHeaders.
// To allocate a free pool in Memory blocks,
@@ -262,22 +262,26 @@ Returns:
Status = AllocMemInMemoryBlock (
TempHeaderPtr,
(VOID **) Pool,
RealAllocSize / 32
RealAllocSize / MEM_UNIT_SIZE
);
if (!EFI_ERROR (Status)) {
ZeroMem (*Pool, AllocSize);
gBS->RestoreTPL (OldTpl);
return EFI_SUCCESS;
break;
}
}
gBS->RestoreTPL (OldTpl);
if (!EFI_ERROR (Status)) {
ZeroMem (*Pool, AllocSize);
return EFI_SUCCESS;
}
//
// There is no enough memory,
// Create a new Memory Block
//
//
// if pool size is larger than NORMAL_MEMORY_BLOCK_UNIT_IN_PAGES,
// just allocate a large enough memory block.
@@ -303,13 +307,15 @@ Returns:
Status = AllocMemInMemoryBlock (
NewMemoryHeader,
(VOID **) Pool,
(VOID **) Pool,
RealAllocSize / MEM_UNIT_SIZE
);
gBS->RestoreTPL (OldTpl);
if (!EFI_ERROR (Status)) {
ZeroMem (*Pool, AllocSize);
}
return Status;
}
@@ -354,12 +360,12 @@ Returns:
//
// allocate unit is 32 byte (align on 32 byte)
//
if (AllocSize & 0x1F) {
//
if (AllocSize & (MEM_UNIT_SIZE - 1)) {
RealAllocSize = (AllocSize / MEM_UNIT_SIZE + 1) * MEM_UNIT_SIZE;
} else {
RealAllocSize = AllocSize;
}
}
//
// scan the memory header linked list for
@@ -373,14 +379,16 @@ Returns:
//
// Pool is in the Memory Block area,
// find the start byte and bit in the bit array
//
StartBytePos = ((Pool - TempHeaderPtr->MemoryBlockPtr) / 32) / 8;
//
StartBytePos = ((Pool - TempHeaderPtr->MemoryBlockPtr) / MEM_UNIT_SIZE) / 8;
StartBitPos = (UINT8) (((Pool - TempHeaderPtr->MemoryBlockPtr) / MEM_UNIT_SIZE) & 0x7);
//
// reset associated bits in bit arry
//
for (Index = StartBytePos, Index2 = StartBitPos, Count = 0; Count < (RealAllocSize / 32); Count++) {
//
for (Index = StartBytePos, Index2 = StartBitPos, Count = 0; Count < (RealAllocSize / MEM_UNIT_SIZE); Count++) {
ASSERT ((TempHeaderPtr->BitArrayPtr[Index] & bit (Index2) )== bit (Index2));
TempHeaderPtr->BitArrayPtr[Index] ^= (UINT8) (bit (Index2));
Index2++;
if (Index2 == 8) {
@@ -393,7 +401,7 @@ Returns:
//
break;
}
}
}
//
// Release emptied memory blocks (only if the memory block is not
@@ -479,7 +487,7 @@ Arguments:
Returns:
EFI_SUCCESS Success
EFI_SUCCESS Success
EFI_NOT_FOUND Can't find the free memory
--*/
@@ -508,7 +516,7 @@ Returns:
//
// right shift the byte
//
//
ByteValue = ByteValue >> 1;
if (BitValue == 0) {
@@ -564,11 +572,11 @@ Returns:
if (NumberOfZeros < NumberOfMemoryUnit) {
return EFI_NOT_FOUND;
}
}
//
// Found enough free space.
//
//
//
// The values recorded in (FoundBytePos,FoundBitPos) have two conditions:
@@ -581,7 +589,7 @@ Returns:
//
if ((MemoryHeader->BitArrayPtr[FoundBytePos] & bit (FoundBitPos)) != 0) {
FoundBitPos += 1;
}
}
//
// Have the (FoundBytePos,FoundBitPos) make sense.
@@ -589,13 +597,14 @@ Returns:
if (FoundBitPos > 7) {
FoundBytePos += 1;
FoundBitPos -= 8;
}
}
//
// Set the memory as allocated
//
for (TempBytePos = FoundBytePos, Index = FoundBitPos, Count = 0; Count < NumberOfMemoryUnit; Count++) {
ASSERT ((MemoryHeader->BitArrayPtr[TempBytePos] & bit (Index) )== 0);
MemoryHeader->BitArrayPtr[TempBytePos] |= bit (Index);
Index++;
if (Index == 8) {
@@ -603,7 +612,7 @@ Returns:
Index = 0;
}
}
*Pool = MemoryHeader->MemoryBlockPtr + (FoundBytePos * 8 + FoundBitPos) * MEM_UNIT_SIZE;
return EFI_SUCCESS;
@@ -625,7 +634,7 @@ Arguments:
Returns:
TRUE Empty
TRUE Empty
FALSE Not Empty
--*/
@@ -675,6 +684,7 @@ Returns:
//
// Link the before and after
//
TempHeaderPtr->Next = NeedFreeMemoryHeader->Next;
NeedFreeMemoryHeader->Next = NULL;
break;
}
@@ -698,7 +708,7 @@ Returns:
Returns:
EFI_SUCCESS Success
EFI_DEVICE_ERROR Fail
EFI_DEVICE_ERROR Fail
--*/
{
@@ -736,7 +746,7 @@ Returns:
Returns:
EFI_SUCCESS Success
EFI_DEVICE_ERROR Fail
EFI_DEVICE_ERROR Fail
--*/
{

310
EdkModulePkg/Bus/Pci/Ehci/Dxe/EhciReg.c
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@@ -1,20 +1,20 @@
/*++
Copyright (c) 2006, Intel Corporation
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.
Copyright (c) 2006, Intel Corporation
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.
Module Name:
Ehchlp.c
Abstract:
Abstract:
Revision History
--*/
@@ -29,7 +29,7 @@ HostReset (
{
UINT32 Value;
UINT32 TimeOut;
ReadEhcOperationalReg (
HcDev,
USBCMD,
@@ -102,18 +102,18 @@ ReadEhcCapabiltiyReg (
Routine Description:
Read Ehc Capabitlity register
Arguments:
HcDev - USB2_HC_DEV
HcDev - USB2_HC_DEV
CapabiltiyRegAddr - Ehc Capability register address
Data - A pointer to data read from register
Returns:
EFI_SUCCESS Success
EFI_DEVICE_ERROR Fail
--*/
{
return HcDev->PciIo->Mem.Read (
@@ -137,18 +137,18 @@ ReadEhcOperationalReg (
Routine Description:
Read Ehc Operation register
Arguments:
HcDev - USB2_HC_DEV
HcDev - USB2_HC_DEV
OperationalRegAddr - Ehc Operation register address
Data - A pointer to data read from register
Returns:
EFI_SUCCESS Success
EFI_DEVICE_ERROR Fail
--*/
{
ASSERT (HcDev->UsbCapabilityLen);
@@ -173,18 +173,18 @@ WriteEhcOperationalReg (
Routine Description:
Write Ehc Operation register
Arguments:
HcDev - USB2_HC_DEV
HcDev - USB2_HC_DEV
OperationalRegAddr - Ehc Operation register address
Data - 32bit write to register
Returns:
EFI_SUCCESS Success
EFI_DEVICE_ERROR Fail
--*/
{
ASSERT (HcDev->UsbCapabilityLen);
@@ -198,6 +198,8 @@ Returns:
);
}
VOID
ClearLegacySupport (
IN USB2_HC_DEV *HcDev
@@ -239,7 +241,7 @@ Returns:
EfiPciIoWidthUint32,
EECP,
1,
&Value
&Value
);
DEBUG((gEHCDebugLevel, "EECP[0] = 0x%x\n", Value));
@@ -249,7 +251,7 @@ Returns:
EfiPciIoWidthUint32,
EECP + 0x4,
1,
&Value
&Value
);
DEBUG((gEHCDebugLevel, "EECP[4] = 0x%x\n", Value));
@@ -259,7 +261,7 @@ Returns:
EfiPciIoWidthUint32,
EECP,
1,
&Value
&Value
);
Value = Value | (0x1 << 24);
@@ -270,7 +272,7 @@ Returns:
EfiPciIoWidthUint32,
EECP,
1,
&Value
&Value
);
TimeOut = 40;
@@ -282,7 +284,7 @@ Returns:
EfiPciIoWidthUint32,
EECP,
1,
&Value
&Value
);
if ((Value & 0x01010000) == 0x01000000) {
break;
@@ -291,8 +293,8 @@ Returns:
if (TimeOut == 0) {
DEBUG((gEHCErrorLevel, "Timeout for getting HC OS Owned Semaphore\n" ));
}
}
DEBUG((gEHCErrorLevel, "After Release Value\n" ));
HcDev->PciIo->Pci.Read (
@@ -300,7 +302,7 @@ Returns:
EfiPciIoWidthUint32,
EECP,
1,
&Value
&Value
);
DEBUG((gEHCDebugLevel, "EECP[0] = 0x%x\n", Value));
@@ -310,7 +312,7 @@ Returns:
EfiPciIoWidthUint32,
EECP + 0x4,
1,
&Value
&Value
);
DEBUG((gEHCDebugLevel, "EECP[4] = 0x%x\n", Value));
@@ -327,16 +329,16 @@ GetCapabilityLen (
Routine Description:
Get the length of capability register
Arguments:
HcDev - USB2_HC_DEV
HcDev - USB2_HC_DEV
Returns:
EFI_SUCCESS Success
EFI_DEVICE_ERROR Fail
--*/
{
EFI_STATUS Status;
@@ -364,18 +366,18 @@ SetFrameListLen (
Routine Description:
Set the length of Frame List
Arguments:
HcDev - USB2_HC_DEV
HcDev - USB2_HC_DEV
Length - the required length of frame list
Returns:
EFI_SUCCESS Success
EFI_INVALID_PARAMETER Invalid parameter
EFI_DEVICE_ERROR Fail
--*/
{
EFI_STATUS Status;
@@ -428,14 +430,14 @@ SetFrameListBaseAddr (
Routine Description:
Set base address of frame list first entry
Arguments:
HcDev - USB2_HC_DEV
HcDev - USB2_HC_DEV
FrameBuffer - base address of first entry of frame list
Returns:
--*/
{
EFI_STATUS Status;
@@ -474,17 +476,17 @@ SetAsyncListAddr (
Routine Description:
Set address of first Async schedule Qh
Arguments:
HcDev - USB2_HC_DEV
HcDev - USB2_HC_DEV
QhPtr - A pointer to first Qh in the Async schedule
Returns:
EFI_SUCCESS Success
EFI_DEVICE_ERROR Fail
--*/
{
EFI_STATUS Status;
@@ -512,16 +514,16 @@ SetCtrlDataStructSeg (
Routine Description:
Set register of control and data structure segment
Arguments:
HcDev - USB2_HC_DEV
HcDev - USB2_HC_DEV
Returns:
EFI_SUCCESS Success
EFI_DEVICE_ERROR Fail
--*/
{
@@ -550,16 +552,16 @@ SetPortRoutingEhc (
Routine Description:
Set Ehc port routing bit
Arguments:
HcDev - USB2_HC_DEV
HcDev - USB2_HC_DEV
Returns:
EFI_SUCCESS Success
EFI_DEVICE_ERROR Fail
--*/
{
EFI_STATUS Status;
@@ -601,16 +603,16 @@ SetEhcDoorbell (
Routine Description:
Set Ehc door bell bit
Arguments:
HcDev - USB2_HC_DEV
HcDev - USB2_HC_DEV
Returns:
EFI_SUCCESS Success
EFI_DEVICE_ERROR Fail
--*/
{
EFI_STATUS Status;
@@ -652,16 +654,16 @@ ClearEhcAllStatus (
Routine Description:
Clear Ehc all status bits
Arguments:
HcDev - USB2_HC_DEV
HcDev - USB2_HC_DEV
Returns:
EFI_SUCCESS Success
EFI_DEVICE_ERROR Fail
--*/
{
UINT32 UsbStatusAddr;
@@ -684,16 +686,16 @@ EnablePeriodicSchedule (
Routine Description:
Enable periodic schedule
Arguments:
HcDev - USB2_HC_DEV
HcDev - USB2_HC_DEV
Returns:
EFI_SUCCESS Success
EFI_DEVICE_ERROR Fail
--*/
{
EFI_STATUS Status;
@@ -735,16 +737,16 @@ DisablePeriodicSchedule (
Routine Description:
Disable periodic schedule
Arguments:
HcDev - USB2_HC_DEV
HcDev - USB2_HC_DEV
Returns:
EFI_SUCCESS Success
EFI_DEVICE_ERROR Fail
--*/
{
EFI_STATUS Status;
@@ -784,16 +786,16 @@ EnableAsynchronousSchedule (
Routine Description:
Enable asynchrounous schedule
Arguments:
HcDev - USB2_HC_DEV
HcDev - USB2_HC_DEV
Returns:
EFI_SUCCESS Success
EFI_DEVICE_ERROR Fail
--*/
{
EFI_STATUS Status;
@@ -835,16 +837,16 @@ DisableAsynchronousSchedule (
Routine Description:
Disable asynchrounous schedule
Arguments:
HcDev - USB2_HC_DEV
HcDev - USB2_HC_DEV
Returns:
EFI_SUCCESS Success
EFI_DEVICE_ERROR Fail
--*/
{
EFI_STATUS Status;
@@ -884,16 +886,16 @@ ResetEhc (
Routine Description:
Reset Ehc
Arguments:
HcDev - USB2_HC_DEV
HcDev - USB2_HC_DEV
Returns:
EFI_SUCCESS Success
EFI_DEVICE_ERROR Fail
--*/
{
EFI_STATUS Status;
@@ -935,16 +937,16 @@ StartScheduleExecution (
Routine Description:
Start Ehc schedule execution
Arguments:
HcDev - USB2_HC_DEV
HcDev - USB2_HC_DEV
Returns:
EFI_SUCCESS Success
EFI_DEVICE_ERROR Fail
--*/
{
EFI_STATUS Status;
@@ -986,16 +988,16 @@ IsFrameListProgrammable (
Routine Description:
Whether frame list is programmable
Arguments:
HcDev - USB2_HC_DEV
HcDev - USB2_HC_DEV
Returns:
TRUE Programmable
FALSE Unprogrammable
--*/
{
BOOLEAN Value;
@@ -1028,16 +1030,16 @@ IsPeriodicScheduleEnabled (
Routine Description:
Whether periodic schedule is enabled
Arguments:
HcDev - USB2_HC_DEV
HcDev - USB2_HC_DEV
Returns:
TRUE Enabled
FALSE Disabled
--*/
{
BOOLEAN Value;
@@ -1070,16 +1072,16 @@ IsAsyncScheduleEnabled (
Routine Description:
Whether asynchronous schedule is enabled
Arguments:
HcDev - USB2_HC_DEV
HcDev - USB2_HC_DEV
Returns:
TRUE Enabled
FALSE Disabled
--*/
{
BOOLEAN Value;
@@ -1113,16 +1115,16 @@ IsEhcPortEnabled (
Routine Description:
Whether port is enabled
Arguments:
HcDev - USB2_HC_DEV
HcDev - USB2_HC_DEV
Returns:
TRUE Enabled
FALSE Disabled
--*/
{
UINT32 PortStatusControlAddr;
@@ -1148,16 +1150,16 @@ IsEhcReseted (
Routine Description:
Whether Ehc is reseted
Arguments:
HcDev - USB2_HC_DEV
HcDev - USB2_HC_DEV
Returns:
TRUE Reseted
FALSE Unreseted
--*/
{
BOOLEAN Value;
@@ -1190,16 +1192,16 @@ IsEhcHalted (
Routine Description:
Whether Ehc is halted
Arguments:
HcDev - USB2_HC_DEV
HcDev - USB2_HC_DEV
Returns:
TRUE Halted
FALSE Not halted
--*/
{
BOOLEAN Value;
@@ -1232,16 +1234,16 @@ IsEhcSysError (
Routine Description:
Whether Ehc is system error
Arguments:
HcDev - USB2_HC_DEV
HcDev - USB2_HC_DEV
Returns:
TRUE System error
FALSE No system error
--*/
{
BOOLEAN Value;
@@ -1268,29 +1270,29 @@ Returns:
BOOLEAN
IsHighSpeedDevice (
IN EFI_USB2_HC_PROTOCOL *This,
IN UINT8 PortNum
IN UINT8 PortNum
)
/*++
Routine Description:
Whether high speed device attached
Arguments:
HcDev - USB2_HC_DEV
HcDev - USB2_HC_DEV
Returns:
TRUE High speed
FALSE Full speed
--*/
{
USB2_HC_DEV *HcDev;
UINT32 PortStatusControlAddr;
UINT32 PortStatusControlReg;
HcDev = USB2_HC_DEV_FROM_THIS (This);
PortStatusControlAddr = (UINT32) (PORTSC + (4 * PortNum));
@@ -1360,17 +1362,17 @@ WaitForEhcReset (
Routine Description:
wait for Ehc reset or timeout
Arguments:
HcDev - USB2_HC_DEV
HcDev - USB2_HC_DEV
Timeout - timeout threshold
Returns:
EFI_SUCCESS Success
EFI_TIMEOUT Timeout
--*/
{
EFI_STATUS Status;
@@ -1406,17 +1408,17 @@ WaitForEhcHalt (
Routine Description:
wait for Ehc halt or timeout
Arguments:
HcDev - USB2_HC_DEV
HcDev - USB2_HC_DEV
Timeout - timeout threshold
Returns:
EFI_SUCCESS Success
EFI_TIMEOUT Timeout
--*/
{
EFI_STATUS Status;
@@ -1452,17 +1454,17 @@ WaitForEhcNotHalt (
Routine Description:
wait for Ehc not halt or timeout
Arguments:
HcDev - USB2_HC_DEV
HcDev - USB2_HC_DEV
Timeout - timeout threshold
Returns:
EFI_SUCCESS Success
EFI_TIMEOUT Timeout
--*/
{
EFI_STATUS Status;
@@ -1498,17 +1500,17 @@ WaitForAsyncScheduleEnable (
Routine Description:
Wait for Ehc asynchronous schedule enable or timeout
Arguments:
HcDev - USB2_HC_DEV
HcDev - USB2_HC_DEV
Timeout - timeout threshold
Returns:
EFI_SUCCESS Success
EFI_TIMEOUT Timeout
--*/
{
EFI_STATUS Status;
@@ -1544,17 +1546,17 @@ WaitForAsyncScheduleDisable (
Routine Description:
Wait for Ehc asynchronous schedule disable or timeout
Arguments:
HcDev - USB2_HC_DEV
HcDev - USB2_HC_DEV
Timeout - timeout threshold
Returns:
EFI_SUCCESS Success
EFI_TIMEOUT Timeout
--*/
{
EFI_STATUS Status;
@@ -1590,17 +1592,17 @@ WaitForPeriodicScheduleEnable (
Routine Description:
Wait for Ehc periodic schedule enable or timeout
Arguments:
HcDev - USB2_HC_DEV
HcDev - USB2_HC_DEV
Timeout - timeout threshold
Returns:
EFI_SUCCESS Success
EFI_TIMEOUT Timeout
--*/
{
EFI_STATUS Status;
@@ -1636,17 +1638,17 @@ WaitForPeriodicScheduleDisable (
Routine Description:
Wait for periodic schedule disable or timeout
Arguments:
HcDev - USB2_HC_DEV
HcDev - USB2_HC_DEV
Timeout - timeout threshold
Returns:
EFI_SUCCESS Success
EFI_TIMEOUT Timeout
--*/
{
EFI_STATUS Status;
@@ -1685,14 +1687,14 @@ Routine Description:
Arguments:
HcDev - USB2_HC_DEV
HcDev - USB2_HC_DEV
Timeout - timeout threshold
Returns:
EFI_SUCCESS Success
EFI_TIMEOUT Timeout
--*/
{
EFI_STATUS Status;
@@ -1702,7 +1704,7 @@ Returns:
UsbCommandAddr = USBCMD;
Delay = (Timeout / 50) + 1;
do {
Status = ReadEhcOperationalReg (
HcDev,

737
EdkModulePkg/Bus/Pci/Ehci/Dxe/EhciSched.c
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