sravan/system76-edk2
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

EHCI driver need enable routine and disable Legacy USB

Browse Source 
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2233 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
klu2
2007-01-12 05:17:27 +00:00
parent f92b6f195c
commit 74c56167df
5 changed files with 263 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

52
EdkModulePkg/Bus/Pci/Ehci/Dxe/Debug.c Normal file
View File

@ -0,0 +1,52 @@
/*++
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:
Debug.c
Abstract:
Revision History
--*/
#include "Ehci.h"
void
DumpEHCIPortsStatus (
IN USB2_HC_DEV *HcDev
)
{
UINT8 PortNumber;
UINT8 Index;
UINT32 Value;
ReadEhcCapabiltiyReg (
HcDev,
HCSPARAMS,
&Value
);
PortNumber = (UINT8) (Value & HCSP_NPORTS);
for (Index = 0; Index < PortNumber; Index++) {
ReadEhcOperationalReg (
HcDev,
PORTSC + 4 * Index,
&Value
);
DEBUG((gEHCDebugLevel, "Port[%d] = 0x%x\n", Index, Value));
}
}

7
EdkModulePkg/Bus/Pci/Ehci/Dxe/Ehci.c
View File

@ -441,6 +441,13 @@ EhciDriverBindingStart (
Status = EFI_DEVICE_ERROR; Status = EFI_DEVICE_ERROR;
goto uninstall_usb2hc_protocol; goto uninstall_usb2hc_protocol;
} }
ClearLegacySupport (HcDev);
HostReset (HcDev);
DEBUG_CODE (
DumpEHCIPortsStatus (HcDev);
);
// //
// Create and Init Perodic Frame List // Create and Init Perodic Frame List

14
EdkModulePkg/Bus/Pci/Ehci/Dxe/Ehci.h
View File

@ -2681,4 +2681,18 @@ Returns:
EFI_DEVICE_ERROR Fail EFI_DEVICE_ERROR Fail
--*/ --*/
;
VOID
ClearLegacySupport (
IN USB2_HC_DEV *HcDev
);
VOID
HostReset (
IN USB2_HC_DEV *HcDev
);
VOID
DumpEHCIPortsStatus (
IN USB2_HC_DEV *HcDev IN USB2_HC_DEV *HcDev

1
EdkModulePkg/Bus/Pci/Ehci/Dxe/Ehci.msa
View File

@ -49,6 +49,7 @@
</LibraryClassDefinitions> </LibraryClassDefinitions>
<SourceFiles> <SourceFiles>
<Filename>Ehci.c</Filename> <Filename>Ehci.c</Filename>
<Filename>Debug.c</Filename>
<Filename>EhciMem.c</Filename> <Filename>EhciMem.c</Filename>
<Filename>EhciReg.c</Filename> <Filename>EhciReg.c</Filename>
<Filename>EhciSched.c</Filename> <Filename>EhciSched.c</Filename>

189
EdkModulePkg/Bus/Pci/Ehci/Dxe/EhciReg.c
View File

@ -22,6 +22,75 @@ Revision History
#include "Ehci.h" #include "Ehci.h"
VOID
HostReset (
IN USB2_HC_DEV *HcDev
)
{
UINT32 Value;
UINT32 TimeOut;
ReadEhcOperationalReg (
HcDev,
USBCMD,
&Value
);
Value = Value & (~USBCMD_RS);
WriteEhcOperationalReg (
HcDev,
USBCMD,
Value
);
TimeOut = 40;
while (TimeOut --) {
gBS->Stall (500);
ReadEhcOperationalReg (
HcDev,
USBSTS,
&Value
);
if ((Value & USBSTS_HCH) != 0) {
break;
}
}
if (TimeOut == 0) {
DEBUG((gEHCErrorLevel, "TimeOut for clearing Run/Stop bit\n"));
}
ReadEhcOperationalReg (
HcDev,
USBCMD,
&Value
);
Value = Value | USBCMD_HCRESET;
WriteEhcOperationalReg (
HcDev,
USBCMD,
Value
);
TimeOut = 40;
while (TimeOut --) {
gBS->Stall (500);
ReadEhcOperationalReg (
HcDev,
USBCMD,
&Value
);
if ((Value & USBCMD_HCRESET) == 0) {
break;
}
}
if (TimeOut == 0) {
DEBUG((gEHCErrorLevel, "TimeOut for Host Reset\n"));
}
}
EFI_STATUS EFI_STATUS
ReadEhcCapabiltiyReg ( ReadEhcCapabiltiyReg (
IN USB2_HC_DEV *HcDev, IN USB2_HC_DEV *HcDev,
@ -129,6 +198,126 @@ Returns:
); );
} }
VOID
ClearLegacySupport (
IN USB2_HC_DEV *HcDev
)
/*++
Routine Description:
Stop the legacy USB SMI
Arguments:
HcDev - USB2_HC_DEV
Returns:
EFI_SUCCESS Success
EFI_DEVICE_ERROR Fail
--*/
{
UINT32 EECP;
UINT32 Value;
UINT32 TimeOut;
ReadEhcCapabiltiyReg (
HcDev,
HCCPARAMS,
&EECP
);
EECP = (EECP >> 8) & 0xFF;
DEBUG ((gEHCDebugLevel, "EHCI: EECPBase = 0x%x\n", EECP));
HcDev->PciIo->Pci.Read (
HcDev->PciIo,
EfiPciIoWidthUint32,
EECP,
1,
&Value
);
DEBUG((gEHCDebugLevel, "EECP[0] = 0x%x\n", Value));
HcDev->PciIo->Pci.Read (
HcDev->PciIo,
EfiPciIoWidthUint32,
EECP + 0x4,
1,
&Value
);
DEBUG((gEHCDebugLevel, "EECP[4] = 0x%x\n", Value));
HcDev->PciIo->Pci.Read (
HcDev->PciIo,
EfiPciIoWidthUint32,
EECP,
1,
&Value
);
Value = Value | (0x1 << 24);
DEBUG((gEHCErrorLevel, "Value Written = 0x%x\n", Value));
HcDev->PciIo->Pci.Write (
HcDev->PciIo,
EfiPciIoWidthUint32,
EECP,
1,
&Value
);
TimeOut = 40;
while (TimeOut --) {
gBS->Stall (500);
HcDev->PciIo->Pci.Read (
HcDev->PciIo,
EfiPciIoWidthUint32,
EECP,
1,
&Value
);
if ((Value & 0x01010000) == 0x01000000) {
break;
}
}
if (TimeOut == 0) {
DEBUG((gEHCErrorLevel, "Timeout for getting HC OS Owned Semaphore\n" ));
}
DEBUG((gEHCErrorLevel, "After Release Value\n" ));
HcDev->PciIo->Pci.Read (
HcDev->PciIo,
EfiPciIoWidthUint32,
EECP,
1,
&Value
);
DEBUG((gEHCDebugLevel, "EECP[0] = 0x%x\n", Value));
HcDev->PciIo->Pci.Read (
HcDev->PciIo,
EfiPciIoWidthUint32,
EECP + 0x4,
1,
&Value
);
DEBUG((gEHCDebugLevel, "EECP[4] = 0x%x\n", Value));
}
EFI_STATUS EFI_STATUS
GetCapabilityLen ( GetCapabilityLen (
IN USB2_HC_DEV *HcDev IN USB2_HC_DEV *HcDev