diff options
Diffstat (limited to 'MdeModulePkg/Bus/Usb/UsbBusPei/UsbPeim.c')
| -rw-r--r-- | MdeModulePkg/Bus/Usb/UsbBusPei/UsbPeim.c | 88 |
1 files changed, 44 insertions, 44 deletions
diff --git a/MdeModulePkg/Bus/Usb/UsbBusPei/UsbPeim.c b/MdeModulePkg/Bus/Usb/UsbBusPei/UsbPeim.c index a4bb4d7aa7..10d5232e59 100644 --- a/MdeModulePkg/Bus/Usb/UsbBusPei/UsbPeim.c +++ b/MdeModulePkg/Bus/Usb/UsbBusPei/UsbPeim.c @@ -1,8 +1,8 @@ /** @file
The module to produce Usb Bus PPI.
-Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.<BR>
-
+Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
+
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
@@ -37,7 +37,7 @@ EFI_PEI_PPI_DESCRIPTOR mUsbIoPpiList = { /**
The enumeration routine to detect device change.
-
+
@param PeiServices Describes the list of possible PEI Services.
@param UsbHcPpi The pointer of PEI_USB_HOST_CONTROLLER_PPI instance.
@param Usb2HcPpi The pointer of PEI_USB2_HOST_CONTROLLER_PPI instance.
@@ -56,7 +56,7 @@ PeiUsbEnumeration ( /**
Configure new detected usb device.
-
+
@param PeiServices Describes the list of possible PEI Services.
@param PeiUsbDevice The pointer of PEI_USB_DEVICE instance.
@param Port The port to be configured.
@@ -77,7 +77,7 @@ PeiConfigureUsbDevice ( /**
Get all configurations from a detected usb device.
-
+
@param PeiServices Describes the list of possible PEI Services.
@param PeiUsbDevice The pointer of PEI_USB_DEVICE instance.
@@ -94,7 +94,7 @@ PeiUsbGetAllConfiguration ( /**
Get the start position of next wanted descriptor.
-
+
@param Buffer Buffer containing data to parse.
@param Length Buffer length.
@param DescType Descriptor type.
@@ -116,7 +116,7 @@ GetExpectedDescriptor ( /**
The entrypoint of the module, it will enumerate all HCs.
-
+
@param FileHandle Handle of the file being invoked.
@param PeiServices Describes the list of possible PEI Services.
@@ -142,7 +142,7 @@ PeimInitializeUsb ( }
//
- // gPeiUsbHostControllerPpiGuid and gPeiUsb2HostControllerPpiGuid should not
+ // gPeiUsbHostControllerPpiGuid and gPeiUsb2HostControllerPpiGuid should not
// be produced at the same time
//
Index = 0;
@@ -176,18 +176,18 @@ PeimInitializeUsb ( Index,
NULL,
(VOID **) &Usb2HcPpi
- );
+ );
if (EFI_ERROR (Status)) {
//
// No more host controller, break out
//
break;
- }
- PeiUsbEnumeration ((EFI_PEI_SERVICES **) PeiServices, NULL, Usb2HcPpi);
+ }
+ PeiUsbEnumeration ((EFI_PEI_SERVICES **) PeiServices, NULL, Usb2HcPpi);
Index++;
}
}
-
+
if (Index == 0) {
return EFI_UNSUPPORTED;
}
@@ -198,7 +198,7 @@ PeimInitializeUsb ( /**
The Hub Enumeration just scans the hub ports one time. It also
doesn't support hot-plug.
-
+
@param PeiServices Describes the list of possible PEI Services.
@param PeiUsbDevice The pointer of PEI_USB_DEVICE instance.
@param CurrentAddress The DeviceAddress of usb device.
@@ -289,13 +289,13 @@ PeiHubEnumeration ( NewPeiUsbDevice->IsHub = 0x0;
NewPeiUsbDevice->DownStreamPortNo = 0x0;
- if (((PortStatus.PortChangeStatus & USB_PORT_STAT_C_RESET) == 0) ||
+ if (((PortStatus.PortChangeStatus & USB_PORT_STAT_C_RESET) == 0) ||
((PortStatus.PortStatus & (USB_PORT_STAT_CONNECTION | USB_PORT_STAT_ENABLE)) == 0)) {
//
- // If the port already has reset change flag and is connected and enabled, skip the port reset logic.
+ // If the port already has reset change flag and is connected and enabled, skip the port reset logic.
//
PeiResetHubPort (PeiServices, UsbIoPpi, (UINT8)(Index + 1));
-
+
PeiHubGetPortStatus (
PeiServices,
UsbIoPpi,
@@ -406,7 +406,7 @@ PeiHubEnumeration ( /**
The enumeration routine to detect device change.
-
+
@param PeiServices Describes the list of possible PEI Services.
@param UsbHcPpi The pointer of PEI_USB_HOST_CONTROLLER_PPI instance.
@param Usb2HcPpi The pointer of PEI_USB2_HOST_CONTROLLER_PPI instance.
@@ -440,7 +440,7 @@ PeiUsbEnumeration ( PeiServices,
Usb2HcPpi,
(UINT8 *) &NumOfRootPort
- );
+ );
} else if (UsbHcPpi != NULL) {
UsbHcPpi->GetRootHubPortNumber (
PeiServices,
@@ -464,7 +464,7 @@ PeiUsbEnumeration ( Usb2HcPpi,
(UINT8) Index,
&PortStatus
- );
+ );
} else {
UsbHcPpi->GetRootHubPortStatus (
PeiServices,
@@ -515,10 +515,10 @@ PeiUsbEnumeration ( PeiUsbDevice->IsHub = 0x0;
PeiUsbDevice->DownStreamPortNo = 0x0;
- if (((PortStatus.PortChangeStatus & USB_PORT_STAT_C_RESET) == 0) ||
+ if (((PortStatus.PortChangeStatus & USB_PORT_STAT_C_RESET) == 0) ||
((PortStatus.PortStatus & (USB_PORT_STAT_CONNECTION | USB_PORT_STAT_ENABLE)) == 0)) {
//
- // If the port already has reset change flag and is connected and enabled, skip the port reset logic.
+ // If the port already has reset change flag and is connected and enabled, skip the port reset logic.
//
ResetRootPort (
PeiServices,
@@ -550,7 +550,7 @@ PeiUsbEnumeration ( Usb2HcPpi,
(UINT8) Index,
EfiUsbPortResetChange
- );
+ );
} else {
UsbHcPpi->ClearRootHubPortFeature (
PeiServices,
@@ -650,7 +650,7 @@ PeiUsbEnumeration ( /**
Configure new detected usb device.
-
+
@param PeiServices Describes the list of possible PEI Services.
@param PeiUsbDevice The pointer of PEI_USB_DEVICE instance.
@param Port The port to be configured.
@@ -767,7 +767,7 @@ PeiConfigureUsbDevice ( /**
Get all configurations from a detected usb device.
-
+
@param PeiServices Describes the list of possible PEI Services.
@param PeiUsbDevice The pointer of PEI_USB_DEVICE instance.
@@ -920,7 +920,7 @@ PeiUsbGetAllConfiguration ( /**
Get the start position of next wanted descriptor.
-
+
@param Buffer Buffer containing data to parse.
@param Length Buffer length.
@param DescType Descriptor type.
@@ -998,7 +998,7 @@ GetExpectedDescriptor ( /**
Send reset signal over the given root hub port.
-
+
@param PeiServices Describes the list of possible PEI Services.
@param UsbHcPpi The pointer of PEI_USB_HOST_CONTROLLER_PPI instance.
@param Usb2HcPpi The pointer of PEI_USB2_HOST_CONTROLLER_PPI instance.
@@ -1022,7 +1022,7 @@ ResetRootPort ( if (Usb2HcPpi != NULL) {
MicroSecondDelay (200 * 1000);
-
+
//
// reset root port
//
@@ -1032,12 +1032,12 @@ ResetRootPort ( PortNum,
EfiUsbPortReset
);
-
+
if (EFI_ERROR (Status)) {
DEBUG ((EFI_D_ERROR, "SetRootHubPortFeature EfiUsbPortReset Failed\n"));
return;
}
-
+
//
// Drive the reset signal for at least 50ms. Check USB 2.0 Spec
// section 7.1.7.5 for timing requirements.
@@ -1053,7 +1053,7 @@ ResetRootPort ( PortNum,
EfiUsbPortReset
);
-
+
if (EFI_ERROR (Status)) {
DEBUG ((EFI_D_ERROR, "ClearRootHubPortFeature EfiUsbPortReset Failed\n"));
return;
@@ -1073,7 +1073,7 @@ ResetRootPort ( Usb2HcPpi,
PortNum,
&PortStatus
- );
+ );
if (EFI_ERROR (Status)) {
return;
}
@@ -1103,7 +1103,7 @@ ResetRootPort ( PortNum,
EfiUsbPortConnectChange
);
-
+
//
// Set port enable
//
@@ -1113,18 +1113,18 @@ ResetRootPort ( PortNum,
EfiUsbPortEnable
);
-
+
Usb2HcPpi->ClearRootHubPortFeature (
PeiServices,
Usb2HcPpi,
PortNum,
EfiUsbPortEnableChange
);
-
+
MicroSecondDelay ((RetryIndex + 1) * 50 * 1000);
} else {
MicroSecondDelay (200 * 1000);
-
+
//
// reset root port
//
@@ -1134,18 +1134,18 @@ ResetRootPort ( PortNum,
EfiUsbPortReset
);
-
+
if (EFI_ERROR (Status)) {
DEBUG ((EFI_D_ERROR, "SetRootHubPortFeature EfiUsbPortReset Failed\n"));
return;
}
-
+
//
// Drive the reset signal for at least 50ms. Check USB 2.0 Spec
// section 7.1.7.5 for timing requirements.
//
MicroSecondDelay (USB_SET_ROOT_PORT_RESET_STALL);
-
+
//
// clear reset root port
//
@@ -1155,12 +1155,12 @@ ResetRootPort ( PortNum,
EfiUsbPortReset
);
-
+
if (EFI_ERROR (Status)) {
DEBUG ((EFI_D_ERROR, "ClearRootHubPortFeature EfiUsbPortReset Failed\n"));
return;
}
-
+
MicroSecondDelay (USB_CLR_ROOT_PORT_RESET_STALL);
//
@@ -1175,7 +1175,7 @@ ResetRootPort ( UsbHcPpi,
PortNum,
&PortStatus
- );
+ );
if (EFI_ERROR (Status)) {
return;
}
@@ -1205,7 +1205,7 @@ ResetRootPort ( PortNum,
EfiUsbPortConnectChange
);
-
+
//
// Set port enable
//
@@ -1215,14 +1215,14 @@ ResetRootPort ( PortNum,
EfiUsbPortEnable
);
-
+
UsbHcPpi->ClearRootHubPortFeature (
PeiServices,
UsbHcPpi,
PortNum,
EfiUsbPortEnableChange
);
-
+
MicroSecondDelay ((RetryIndex + 1) * 50 * 1000);
}
return;
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