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Enabling usb3.0 XHCI support.

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Signed-off-by: erictian
Reviewed-by: jshi19

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12185 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
erictian
2011-08-23 14:36:33 +00:00
parent da910a42c0
commit 92870c983c
16 changed files with 8055 additions and 97 deletions
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18
MdeModulePkg/Bus/Usb/UsbBusDxe/UsbBus.c
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@@ -45,6 +45,7 @@ EFI_DRIVER_BINDING_PROTOCOL mUsbBusDriverBinding = {
NULL
};
UINT16 mMaxUsbDeviceNum = USB_MAX_DEVICES;
/**
USB_IO function to execute a control transfer. This
@@ -111,7 +112,7 @@ UsbIoControlTransfer (
// Clear TT buffer when CTRL/BULK split transaction failes
// Clear the TRANSLATOR TT buffer, not parent's buffer
//
ASSERT (Dev->Translator.TranslatorHubAddress < USB_MAX_DEVICES);
ASSERT (Dev->Translator.TranslatorHubAddress < mMaxUsbDeviceNum);
if (Dev->Translator.TranslatorHubAddress != 0) {
UsbHubCtrlClearTTBuffer (
Dev->Bus->Devices[Dev->Translator.TranslatorHubAddress],
@@ -284,7 +285,7 @@ UsbIoBulkTransfer (
// Clear TT buffer when CTRL/BULK split transaction failes.
// Clear the TRANSLATOR TT buffer, not parent's buffer
//
ASSERT (Dev->Translator.TranslatorHubAddress < USB_MAX_DEVICES);
ASSERT (Dev->Translator.TranslatorHubAddress < mMaxUsbDeviceNum);
if (Dev->Translator.TranslatorHubAddress != 0) {
UsbHubCtrlClearTTBuffer (
Dev->Bus->Devices[Dev->Translator.TranslatorHubAddress],
@@ -966,6 +967,16 @@ UsbBusBuildProtocol (
goto CLOSE_HC;
}
if (!EFI_ERROR (Status)) {
if (UsbBus->Usb2Hc->MajorRevision == 0x3) {
//
// The EFI_USB2_HC_PROTOCOL is produced for XHCI support.
// Then its max supported devices are 256.
//
mMaxUsbDeviceNum = 256;
}
}
UsbHcReset (UsbBus, EFI_USB_HC_RESET_GLOBAL);
UsbHcSetState (UsbBus, EfiUsbHcStateOperational);
@@ -1011,6 +1022,7 @@ UsbBusBuildProtocol (
RootHub->Bus = UsbBus;
RootHub->NumOfInterface = 1;
RootHub->Interfaces[0] = RootIf;
RootHub->Tier = 0;
RootIf->Signature = USB_INTERFACE_SIGNATURE;
RootIf->Device = RootHub;
RootIf->DevicePath = UsbBus->DevicePath;
@@ -1434,7 +1446,7 @@ UsbBusControllerDriverStop (
mUsbRootHubApi.Release (RootIf);
for (Index = 1; Index < USB_MAX_DEVICES; Index++) {
for (Index = 1; Index < mMaxUsbDeviceNum; Index++) {
if (Bus->Devices[Index] != NULL) {
UsbRemoveDevice (Bus->Devices[Index]);
}