Add support for OHCI controllers and prelimiary support for xHCI (USB3) controllers.
Improve scanning for USB controllers. Limitations: - OHCI doesn't support interrupt transfers yet (ie. no keyboards) - xHCI just does initialization and device attach/detach so far Signed-off-by: Patrick Georgi <patrick@georgi-clan.de> Acked-by: Peter Stuge <peter@stuge.se> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5691 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
committed by
Patrick Georgi
parent
03e54de648
commit
6615ef3bfc
255
payloads/libpayload/drivers/usb/ohci_private.h
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255
payloads/libpayload/drivers/usb/ohci_private.h
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/*
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* This file is part of the libpayload project.
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*
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* Copyright (C) 2010 Patrick Georgi
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef __OHCI_PRIVATE_H
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#define __OHCI_PRIVATE_H
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#include <pci.h>
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#include <usb/usb.h>
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#define MASK(startbit, lenbit) (((1<<(lenbit))-1)<<(startbit))
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// FIXME: fake
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typedef enum { CMD} reg;
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enum {
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NumberDownstreamPorts = 1<<0,
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PowerSwitchingMode = 1<<8,
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NoPowerSwitching = 1<<9,
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DeviceType = 1<<10,
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OverCurrentProtectionMode = 1<<11,
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NoOverCurrentProtection = 1<<12,
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PowerOnToPowerGoodTime = 1<<24
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} HcRhDescriptorAReg;
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enum {
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NumberDownstreamPortsMask = MASK(0, 8),
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PowerOnToPowerGoodTimeMask = MASK(24, 8)
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} HcRhDescriptorAMask;
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enum {
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DeviceRemovable = 1<<0,
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PortPowerControlMask = 1<<16
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} HcRhDescriptorBReg;
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enum {
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CurrentConnectStatus = 1<<0,
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PortEnableStatus = 1<<1,
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PortSuspendStatus = 1<<2,
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PortOverCurrentIndicator = 1<<3,
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PortResetStatus = 1<<4,
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PortPowerStatus = 1<<8,
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LowSpeedDeviceAttached = 1<<9,
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ConnectStatusChange = 1<<16,
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PortEnableStatusChange = 1<<17,
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PortSuspendStatusChange = 1<<18,
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PortOverCurrentIndicatorChange = 1<<19,
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PortResetStatusChange = 1<<20
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} HcRhPortStatusRead;
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enum {
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ClearPortEnable = 1<<0,
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SetPortEnable = 1<<1,
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SetPortSuspend = 1<<2,
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ClearSuspendStatus = 1<<3,
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SetPortReset = 1<<4,
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SetPortPower = 1<<8,
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ClearPortPower = 1<<9,
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} HcRhPortStatusSet;
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enum {
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LocalPowerStatus = 1<<0,
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OverCurrentIndicator = 1<<1,
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DeviceRemoteWakeupEnable = 1<<15,
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LocalPowerStatusChange = 1<<16,
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OverCurrentIndicatorChange = 1<<17,
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ClearRemoteWakeupEnable = 1<<31
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} HcRhStatusReg;
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enum {
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FrameInterval = 1<<0,
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FSLargestDataPacket = 1<<16,
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FrameIntervalToggle = 1<<31
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} HcFmIntervalOffset;
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enum {
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FrameIntervalMask = MASK(0, 14),
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FSLargestDataPacketMask = MASK(16, 15),
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FrameIntervalToggleMask = MASK(31, 1)
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} HcFmIntervalMask;
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enum {
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ControlBulkServiceRatio = 1<<0,
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PeriodicListEnable = 1<<2,
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IsochronousEnable = 1<<3,
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ControlListEnable = 1<<4,
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BulkListEnable = 1<<5,
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HostControllerFunctionalState = 1<<6,
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InterruptRouting = 1<<8,
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RemoteWakeupConnected = 1<<9,
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RemoteWakeupEnable = 1<<10
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} HcControlReg;
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enum {
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ControlBulkServiceRatioMask = MASK(0, 2),
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HostControllerFunctionalStateMask = MASK(6, 2)
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} HcControlMask;
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enum {
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USBReset = 0*HostControllerFunctionalState,
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USBResume = 1*HostControllerFunctionalState,
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USBOperational = 2*HostControllerFunctionalState,
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USBSuspend = 3*HostControllerFunctionalState
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};
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enum {
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HostControllerReset = 1<<0,
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ControlListFilled = 1<<1,
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BulkListFilled = 1<<2,
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OwnershipChangeRequest = 1<<3,
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SchedulingOverrunCount = 1<<16
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} HcCommandStatusReg;
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enum {
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SchedulingOverrunCountMask = MASK(16, 2)
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} HcCommandStatusMask;
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enum {
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FrameRemaining = 1<<0,
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FrameRemainingToggle = 1<<31
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} HcFmRemainingReg;
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enum {
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SchedulingOverrung = 1<<0,
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WritebackDoneHead = 1<<1,
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StartofFrame = 1<<2,
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ResumeDetected = 1<<3,
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UnrecoverableError = 1<<4,
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FrameNumberOverflow = 1<<5,
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RootHubStatusChange = 1<<6,
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OwnershipChange = 1<<30
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} HcInterruptStatusReg;
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typedef struct {
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// Control and Status Partition
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volatile u32 HcRevision;
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volatile u32 HcControl;
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volatile u32 HcCommandStatus;
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volatile u32 HcInterruptStatus;
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volatile u32 HcInterruptEnable;
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volatile u32 HcInterruptDisable;
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// Memory Pointer Partition
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volatile u32 HcHCCA;
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volatile u32 HcPeriodCurrentED;
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volatile u32 HcControlHeadED;
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volatile u32 HcControlCurrentED;
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volatile u32 HcBulkHeadED;
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volatile u32 HcBulkCurrentED;
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volatile u32 HcDoneHead;
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// Frame Counter Partition
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volatile u32 HcFmInterval;
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volatile u32 HcFmRemaining;
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volatile u32 HcFmNumber;
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volatile u32 HcPeriodicStart;
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volatile u32 HcLSThreshold;
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// Root Hub Partition
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volatile u32 HcRhDescriptorA;
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volatile u32 HcRhDescriptorB;
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volatile u32 HcRhStatus;
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/* all bits in HcRhPortStatus registers are R/WC, so
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_DO NOT_ use |= to set the bits,
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this clears the entire state */
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volatile u32 HcRhPortStatus[];
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} __attribute__ ((packed)) opreg_t;
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typedef struct {
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u32 HccaInterruptTable[32];
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u16 HccaFrameNumber;
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u16 HccaPad1;
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u32 HccaDoneHead;
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u8 reserved[116]; // pad to 256 byte
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} __attribute__ ((packed)) hcca_t;
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typedef struct ohci {
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opreg_t *opreg;
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hcca_t *hcca;
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usbdev_t *roothub;
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} ohci_t;
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typedef enum { OHCI_SETUP=0, OHCI_OUT=1, OHCI_IN=2, OHCI_FROM_TD=3 } ohci_pid_t;
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typedef volatile struct {
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union {
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u32 dword0;
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struct {
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unsigned long function_address:7;
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unsigned long endpoint_number:4;
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unsigned long direction:2;
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unsigned long lowspeed:1;
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unsigned long skip:1;
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unsigned long format:1;
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unsigned long maximum_packet_size:11;
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unsigned long:5;
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} __attribute__ ((packed));
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};
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u32 tail_pointer;
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union {
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u32 head_pointer;
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struct {
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unsigned long halted:1;
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unsigned long toggle:1;
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unsigned long:30;
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} __attribute__ ((packed));
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};
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u32 next_ed;
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} __attribute__ ((packed)) ed_t;
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typedef volatile struct {
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union {
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u32 dword0;
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struct {
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unsigned long:18;
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unsigned long buffer_rounding:1;
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unsigned long direction:2;
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unsigned long delay_interrupt:3;
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unsigned long toggle:1;
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unsigned long toggle_from_td:1;
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unsigned long error_count:2;
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unsigned long condition_code:4;
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} __attribute__ ((packed));
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};
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u32 current_buffer_pointer;
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u32 next_td;
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u32 buffer_end;
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} __attribute__ ((packed)) td_t;
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#define OHCI_INST(controller) ((ohci_t*)((controller)->instance))
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#endif
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