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update Ehci driver to distinct pci memory address and host address

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git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10121 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
erictian
2010-02-28 13:00:58 +00:00
parent 1ae301da81
commit 592b87a46d
6 changed files with 87 additions and 54 deletions
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14
MdeModulePkg/Bus/Pci/EhciDxe/EhciReg.c
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@@ -564,7 +564,7 @@ EhcInitHC (
// Allocate the periodic frame and associated memeory
// management facilities if not already done.
//
if (Ehc->PeriodFrameHost != NULL) {
if (Ehc->PeriodFrame != NULL) {
EhcFreeSched (Ehc);
}
@@ -573,24 +573,20 @@ EhcInitHC (
if (EFI_ERROR (Status)) {
return Status;
}
//
// 1. Program the CTRLDSSEGMENT register with the high 32 bit addr
//
EhcWriteOpReg (Ehc, EHC_CTRLDSSEG_OFFSET, Ehc->High32bitAddr);
//
// 2. Clear USBINTR to disable all the interrupt. UEFI works by polling
// 1. Clear USBINTR to disable all the interrupt. UEFI works by polling
//
EhcWriteOpReg (Ehc, EHC_USBINTR_OFFSET, 0);
//
// 3. Program periodic frame list, already done in EhcInitSched
// 4. Start the Host Controller
// 2. Program periodic frame list, already done in EhcInitSched
// 3. Start the Host Controller
//
EhcSetOpRegBit (Ehc, EHC_USBCMD_OFFSET, USBCMD_RUN);
//
// 5. Set all ports routing to EHC
// 4. Set all ports routing to EHC
//
EhcSetOpRegBit (Ehc, EHC_CONFIG_FLAG_OFFSET, CONFIGFLAG_ROUTE_EHC);