From patchwork Sat Feb 4 05:13:48 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Haojian Zhuang X-Patchwork-Id: 93347 Delivered-To: patch@linaro.org Received: by 10.140.20.99 with SMTP id 90csp893632qgi; Fri, 3 Feb 2017 21:15:29 -0800 (PST) X-Received: by 10.237.53.201 with SMTP id d9mr506439qte.235.1486185329831; Fri, 03 Feb 2017 21:15:29 -0800 (PST) Return-Path: Received: from lists.linaro.org (lists.linaro.org. [54.225.227.206]) by mx.google.com with ESMTP id 11si20748324qkt.85.2017.02.03.21.15.29; Fri, 03 Feb 2017 21:15:29 -0800 (PST) Received-SPF: pass (google.com: domain of linaro-uefi-bounces@lists.linaro.org designates 54.225.227.206 as permitted sender) client-ip=54.225.227.206; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linaro-uefi-bounces@lists.linaro.org designates 54.225.227.206 as permitted sender) smtp.mailfrom=linaro-uefi-bounces@lists.linaro.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: by lists.linaro.org (Postfix, from userid 109) id 49EAD6089C; Sat, 4 Feb 2017 05:15:29 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on ip-10-142-244-252 X-Spam-Level: X-Spam-Status: No, score=-2.6 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_LOW, RCVD_IN_MSPIKE_H2, URIBL_BLOCKED autolearn=disabled version=3.4.0 Received: from [127.0.0.1] (localhost [127.0.0.1]) by lists.linaro.org (Postfix) with ESMTP id 22EF462D4F; Sat, 4 Feb 2017 05:14:46 +0000 (UTC) X-Original-To: linaro-uefi@lists.linaro.org Delivered-To: linaro-uefi@lists.linaro.org Received: by lists.linaro.org (Postfix, from userid 109) id 2D8A762D72; Sat, 4 Feb 2017 05:14:33 +0000 (UTC) Received: from mail-pf0-f175.google.com (mail-pf0-f175.google.com [209.85.192.175]) by lists.linaro.org (Postfix) with ESMTPS id CD5C260CCC for ; Sat, 4 Feb 2017 05:14:11 +0000 (UTC) Received: by mail-pf0-f175.google.com with SMTP id y143so10620261pfb.0 for ; Fri, 03 Feb 2017 21:14:11 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=W/T3NtDcuHiVdLMIlOHpO/9EQgWZVRHMALBxH4hGPZg=; b=it1TB80eC7AFP+eRqO/iiRcpPavNHqZ9oRdYuPrXcYc76yFUfNRv7NmG4lm1rIwIyq 7zGjUQsnd34SAPTKHvXJ14evQp3I5vrNysBl+aMy/G5rErDeFIRbZHJTjxJiSJFngjam lwaXKXRJwOmhuM3kBu6VCkceQW4OJnCZIffyn2TmfPZ9jJk/+z9pbMbCRBZBHku4rgRZ 2I+QDQ39S3gsOXaeLmoi52hD+0ox0+ibVBWogdvXVh7XyfnE7VHUAXZHZww+zDxofpQR BmkD2jHYr0HiCGB52YbNVPFTHTRqaCbPy3GfYCxWwBL6mJCwQf3bvcSp+p/oVZ2TUqTo /viA== X-Gm-Message-State: AIkVDXK0Dl7B4wnL2SknZAF/GRBKzSRdt3EMQBeaJ5DvKBBTxxMwy8fN3I7xlAgR/t97fyLsJ0A= X-Received: by 10.99.234.83 with SMTP id l19mr800339pgk.114.1486185250264; Fri, 03 Feb 2017 21:14:10 -0800 (PST) Received: from localhost.localdomain ([45.56.159.106]) by smtp.gmail.com with ESMTPSA id b10sm71721442pga.21.2017.02.03.21.14.07 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Fri, 03 Feb 2017 21:14:09 -0800 (PST) From: Haojian Zhuang To: leif.lindholm@linaro.org, ard.biesheuvel@linaro.org, linaro-uefi@lists.linaro.org Date: Sat, 4 Feb 2017 13:13:48 +0800 Message-Id: <1486185234-23675-4-git-send-email-haojian.zhuang@linaro.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1486185234-23675-1-git-send-email-haojian.zhuang@linaro.org> References: <1486185234-23675-1-git-send-email-haojian.zhuang@linaro.org> Subject: [Linaro-uefi] [PATCH 3/9] Drivers/Usb/DwUsb: support designware usb X-BeenThere: linaro-uefi@lists.linaro.org X-Mailman-Version: 2.1.16 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: linaro-uefi-bounces@lists.linaro.org Sender: "Linaro-uefi" Support Designware USB controller. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Haojian Zhuang --- Drivers/Usb/DwUsbDxe/DwUsbDxe.c | 796 ++++++++++++++++++++++++++++++++++++++ Drivers/Usb/DwUsbDxe/DwUsbDxe.dec | 46 +++ Drivers/Usb/DwUsbDxe/DwUsbDxe.h | 627 ++++++++++++++++++++++++++++++ Drivers/Usb/DwUsbDxe/DwUsbDxe.inf | 52 +++ Include/Protocol/DwUsb.h | 81 ++++ 5 files changed, 1602 insertions(+) create mode 100644 Drivers/Usb/DwUsbDxe/DwUsbDxe.c create mode 100644 Drivers/Usb/DwUsbDxe/DwUsbDxe.dec create mode 100644 Drivers/Usb/DwUsbDxe/DwUsbDxe.h create mode 100644 Drivers/Usb/DwUsbDxe/DwUsbDxe.inf create mode 100644 Include/Protocol/DwUsb.h diff --git a/Drivers/Usb/DwUsbDxe/DwUsbDxe.c b/Drivers/Usb/DwUsbDxe/DwUsbDxe.c new file mode 100644 index 0000000..bdd8405 --- /dev/null +++ b/Drivers/Usb/DwUsbDxe/DwUsbDxe.c @@ -0,0 +1,796 @@ +/** @file + + Copyright (c) 2015-2017, Linaro. 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. + +**/ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "DwUsbDxe.h" + +#define USB_TYPE_LENGTH 16 +#define USB_BLOCK_HIGH_SPEED_SIZE 512 +#define DATA_SIZE 32768 +#define CMD_SIZE 512 +#define MATCH_CMD_LITERAL(Cmd, Buf) !AsciiStrnCmp (Cmd, Buf, sizeof (Cmd) - 1) + +// The time between interrupt polls, in units of 100 nanoseconds +// 10 Microseconds +#define DW_INTERRUPT_POLL_PERIOD 10000 + +EFI_GUID gDwUsbProtocolGuid = DW_USB_PROTOCOL_GUID; + +STATIC dwc_otg_dev_dma_desc_t *gDmaDesc,*gDmaDescEp0,*gDmaDescIn; +STATIC USB_DEVICE_REQUEST *gCtrlReq; +STATIC VOID *RxBuf; +STATIC UINTN RxDescBytes = 0; +STATIC UINTN mNumDataBytes; + +STATIC DW_USB_PROTOCOL *DwUsb; + +STATIC USB_DEVICE_DESCRIPTOR *mDeviceDescriptor; + +// The config descriptor, interface descriptor, and endpoint descriptors in a +// buffer (in that order) +STATIC VOID *mDescriptors; +// Convenience pointers to those descriptors inside the buffer: +STATIC USB_INTERFACE_DESCRIPTOR *mInterfaceDescriptor; +STATIC USB_CONFIG_DESCRIPTOR *mConfigDescriptor; +STATIC USB_ENDPOINT_DESCRIPTOR *mEndpointDescriptors; + +STATIC USB_DEVICE_RX_CALLBACK mDataReceivedCallback; +STATIC USB_DEVICE_TX_CALLBACK mDataSentCallback; + + +/* To detect which mode was run, high speed or full speed */ +STATIC +UINTN +UsbDrvPortSpeed ( + VOID + ) +{ + /* + * 2'b00: High speed (PHY clock is running at 30 or 60 MHz) + */ + UINT32 Val = READ_REG32 (DSTS) & 2; + return (!Val); +} + +STATIC +VOID +ResetEndpoints ( + VOID + ) +{ + /* EP0 IN ACTIVE NEXT=1 */ + WRITE_REG32 (DIEPCTL0, DXEPCTL_USBACTEP | BIT11); + + /* EP0 OUT ACTIVE */ + WRITE_REG32 (DOEPCTL0, DXEPCTL_USBACTEP); + + /* Clear any pending OTG Interrupts */ + WRITE_REG32 (GOTGINT, ~0); + + /* Clear any pending interrupts */ + WRITE_REG32 (GINTSTS, ~0); + WRITE_REG32 (DIEPINT0, ~0); + WRITE_REG32 (DOEPINT0, ~0); + WRITE_REG32 (DIEPINT1, ~0); + WRITE_REG32 (DOEPINT1, ~0); + + /* IN EP interrupt mask */ + WRITE_REG32 (DIEPMSK, DXEPMSK_TIMEOUTMSK | DXEPMSK_AHBERMSK | DXEPMSK_XFERCOMPLMSK); + /* OUT EP interrupt mask */ + WRITE_REG32 (DOEPMSK, DXEPMSK_TIMEOUTMSK | DXEPMSK_AHBERMSK | DXEPMSK_XFERCOMPLMSK); + /* Enable interrupts on Ep0 */ + WRITE_REG32 (DAINTMSK, (1 << DAINTMSK_OUTEPMSK_SHIFT) | (1 << DAINTMSK_INEPMSK_SHIFT)); + + /* EP0 OUT Transfer Size:64 Bytes, 1 Packet, 3 Setup Packet, Read to receive setup packet*/ + WRITE_REG32 (DOEPTSIZ0, DXEPTSIZ_SUPCNT(3) | DXEPTSIZ_PKTCNT(1) | DXEPTSIZ_XFERSIZE(64)); + + //notes that:the compulsive conversion is expectable. + gDmaDescEp0->status.b.bs = 0x3; + gDmaDescEp0->status.b.mtrf = 0; + gDmaDescEp0->status.b.sr = 0; + gDmaDescEp0->status.b.l = 1; + gDmaDescEp0->status.b.ioc = 1; + gDmaDescEp0->status.b.sp = 0; + gDmaDescEp0->status.b.bytes = 64; + gDmaDescEp0->buf = (UINT32)(UINTN)(gCtrlReq); + gDmaDescEp0->status.b.sts = 0; + gDmaDescEp0->status.b.bs = 0x0; + WRITE_REG32 (DOEPDMA0, (UINT32)(UINTN)(gDmaDescEp0)); + /* EP0 OUT ENABLE CLEARNAK */ + WRITE_REG32 (DOEPCTL0, (READ_REG32 (DOEPCTL0) | DXEPCTL_EPENA | DXEPCTL_CNAK)); +} + +STATIC +VOID +EpTx ( + IN UINT8 Ep, + IN CONST VOID *Ptr, + IN UINTN Len + ) +{ + UINT32 BlockSize; + UINT32 Packets; + + /* EPx OUT ACTIVE */ + WRITE_REG32 (DIEPCTL (Ep), (READ_REG32 (DIEPCTL (Ep))) | DXEPCTL_USBACTEP); + if (!Ep) { + BlockSize = 64; + } else { + BlockSize = UsbDrvPortSpeed () ? USB_BLOCK_HIGH_SPEED_SIZE : 64; + } + Packets = (Len + BlockSize - 1) / BlockSize; + + if (!Len) { + /* send one empty packet */ + gDmaDescIn->status.b.bs = 0x3; + gDmaDescIn->status.b.l = 1; + gDmaDescIn->status.b.ioc = 1; + gDmaDescIn->status.b.sp = 1; + gDmaDescIn->status.b.bytes = 0; + gDmaDescIn->buf = 0; + gDmaDescIn->status.b.sts = 0; + gDmaDescIn->status.b.bs = 0x0; + + WRITE_REG32 (DIEPDMA (Ep), (UINT32)(UINTN)(gDmaDescIn)); // DMA Address (DMAAddr) is zero + } else { + WRITE_REG32 (DIEPTSIZ (Ep), Len | (Packets << 19)); + + //flush cache + WriteBackDataCacheRange ((VOID *)Ptr, Len); + + gDmaDescIn->status.b.bs = 0x3; + gDmaDescIn->status.b.l = 1; + gDmaDescIn->status.b.ioc = 1; + gDmaDescIn->status.b.sp = 1; + gDmaDescIn->status.b.bytes = Len; + gDmaDescIn->buf = (UINT32)((UINTN)Ptr); + gDmaDescIn->status.b.sts = 0; + gDmaDescIn->status.b.bs = 0x0; + WRITE_REG32 (DIEPDMA (Ep), (UINT32)(UINTN)(gDmaDescIn)); // Ptr is DMA address + } + ArmDataSynchronizationBarrier (); + /* epena & cnak */ + WRITE_REG32 (DIEPCTL (Ep), READ_REG32 (DIEPCTL (Ep)) | DXEPCTL_EPENA | DXEPCTL_CNAK | BIT11); +} + +STATIC +VOID +EpRx ( + IN UINTN Ep, + IN UINTN Len + ) +{ + /* EPx UNSTALL */ + WRITE_REG32 (DOEPCTL (Ep), ((READ_REG32 (DOEPCTL (Ep))) & (~DXEPCTL_STALL))); + /* EPx OUT ACTIVE */ + WRITE_REG32 (DOEPCTL (Ep), (READ_REG32 (DOEPCTL (Ep)) | DXEPCTL_USBACTEP)); + + if (Len >= DATA_SIZE) { + RxDescBytes = DATA_SIZE; + } else { + RxDescBytes = Len; + } + + RxBuf = AllocatePool (DATA_SIZE); + ASSERT (RxBuf != NULL); + + InvalidateDataCacheRange (RxBuf, Len); + + gDmaDesc->status.b.bs = 0x3; + gDmaDesc->status.b.mtrf = 0; + gDmaDesc->status.b.sr = 0; + gDmaDesc->status.b.l = 1; + gDmaDesc->status.b.ioc = 1; + gDmaDesc->status.b.sp = 0; + gDmaDesc->status.b.bytes = (UINT32)RxDescBytes; + gDmaDesc->buf = (UINT32)((UINTN)RxBuf); + gDmaDesc->status.b.sts = 0; + gDmaDesc->status.b.bs = 0x0; + + ArmDataSynchronizationBarrier (); + WRITE_REG32 (DOEPDMA (Ep), (UINT32)((UINTN)gDmaDesc)); + /* EPx OUT ENABLE CLEARNAK */ + WRITE_REG32 (DOEPCTL (Ep), (READ_REG32 (DOEPCTL (Ep)) | DXEPCTL_EPENA | DXEPCTL_CNAK)); +} + +STATIC +EFI_STATUS +HandleGetDescriptor ( + IN USB_DEVICE_REQUEST *Request + ) +{ + UINT8 DescriptorType; + UINTN ResponseSize; + VOID *ResponseData; + EFI_USB_STRING_DESCRIPTOR *Descriptor = NULL; + UINTN DescriptorSize; + + ResponseSize = 0; + ResponseData = NULL; + + // Pretty confused if bmRequestType is anything but this: + ASSERT (Request->RequestType == USB_DEV_GET_DESCRIPTOR_REQ_TYPE); + + // Choose the response + DescriptorType = Request->Value >> 8; + switch (DescriptorType) { + case USB_DESC_TYPE_DEVICE: + DEBUG ((DEBUG_INFO, "USB: Got a request for device descriptor\n")); + ResponseSize = sizeof (USB_DEVICE_DESCRIPTOR); + ResponseData = mDeviceDescriptor; + break; + case USB_DESC_TYPE_CONFIG: + DEBUG ((DEBUG_INFO, "USB: Got a request for config descriptor\n")); + ResponseSize = mConfigDescriptor->TotalLength; + ResponseData = mDescriptors; + break; + case USB_DESC_TYPE_STRING: + DEBUG ((DEBUG_INFO, "USB: Got a request for String descriptor %d\n", Request->Value & 0xFF)); + switch (Request->Value & 0xff) { + case 0: + DescriptorSize = sizeof (EFI_USB_STRING_DESCRIPTOR) + + LANG_LENGTH * sizeof (CHAR16) + 1; + Descriptor = (EFI_USB_STRING_DESCRIPTOR *)AllocateZeroPool (DescriptorSize); + ASSERT (Descriptor != NULL); + Descriptor->Length = LANG_LENGTH * sizeof (CHAR16); + Descriptor->DescriptorType = USB_DESC_TYPE_STRING; + DwUsb->GetLang (Descriptor->String, &Descriptor->Length); + ResponseSize = Descriptor->Length; + ResponseData = Descriptor; + break; + case 1: + DescriptorSize = sizeof (EFI_USB_STRING_DESCRIPTOR) + + MANU_FACTURER_STRING_LENGTH * sizeof (CHAR16) + 1; + Descriptor = (EFI_USB_STRING_DESCRIPTOR *)AllocateZeroPool (DescriptorSize); + ASSERT (Descriptor != NULL); + Descriptor->Length = MANU_FACTURER_STRING_LENGTH * sizeof (CHAR16); + Descriptor->DescriptorType = USB_DESC_TYPE_STRING; + DwUsb->GetManuFacturer (Descriptor->String, &Descriptor->Length); + ResponseSize = Descriptor->Length; + ResponseData = Descriptor; + break; + case 2: + DescriptorSize = sizeof (EFI_USB_STRING_DESCRIPTOR) + + PRODUCT_STRING_LENGTH * sizeof (CHAR16) + 1; + Descriptor = (EFI_USB_STRING_DESCRIPTOR *)AllocateZeroPool (DescriptorSize); + ASSERT (Descriptor != NULL); + Descriptor->Length = PRODUCT_STRING_LENGTH * sizeof (CHAR16); + Descriptor->DescriptorType = USB_DESC_TYPE_STRING; + DwUsb->GetProduct (Descriptor->String, &Descriptor->Length); + ResponseSize = Descriptor->Length; + ResponseData = Descriptor; + break; + case 3: + DescriptorSize = sizeof (EFI_USB_STRING_DESCRIPTOR) + + SERIAL_STRING_LENGTH * sizeof (CHAR16) + 1; + Descriptor = (EFI_USB_STRING_DESCRIPTOR *)AllocateZeroPool (DescriptorSize); + ASSERT (Descriptor != NULL); + Descriptor->Length = SERIAL_STRING_LENGTH * sizeof (CHAR16); + Descriptor->DescriptorType = USB_DESC_TYPE_STRING; + DwUsb->GetSerialNo (Descriptor->String, &Descriptor->Length); + ResponseSize = Descriptor->Length; + ResponseData = Descriptor; + break; + } + break; + default: + DEBUG ((DEBUG_INFO, "USB: Didn't understand request for descriptor 0x%04x\n", Request->Value)); + break; + } + + // Send the response + if (ResponseData) { + ASSERT (ResponseSize != 0); + + if (Request->Length < ResponseSize) { + // Truncate response + ResponseSize = Request->Length; + } else if (Request->Length > ResponseSize) { + DEBUG ((DEBUG_INFO, "USB: Info: ResponseSize < wLength\n")); + } + + EpTx (0, ResponseData, ResponseSize); + } + if (Descriptor) { + FreePool (Descriptor); + } + + return EFI_SUCCESS; +} + +STATIC +EFI_STATUS +HandleSetAddress ( + IN USB_DEVICE_REQUEST *Request + ) +{ + // Pretty confused if bmRequestType is anything but this: + ASSERT (Request->RequestType == USB_DEV_SET_ADDRESS_REQ_TYPE); + DEBUG ((DEBUG_INFO, "USB: Setting address to %d\n", Request->Value)); + ResetEndpoints (); + + WRITE_REG32 (DCFG, (READ_REG32 (DCFG) & ~DCFG_DEVADDR_MASK) | DCFG_DEVADDR(Request->Value)); + EpTx (0, 0, 0); + + return EFI_SUCCESS; +} + +STATIC +UINTN +UsbDrvRequestEndpoint ( + IN UINTN Type, + IN UINTN Dir + ) +{ + UINTN Ep = 1; + UINTN Ret, NewBits; + + Ret = Ep | Dir; + NewBits = (Type << 18) | 0x10000000; + + /* + * (Type << 18):Endpoint Type (EPType) + * 0x10000000:Endpoint Enable (EPEna) + * 0x000C000:Endpoint Type (EPType);Hardcoded to 00 for control. + * (ep<<22):TxFIFO Number (TxFNum) + * 0x20000:NAK Status (NAKSts);The core is transmitting NAK handshakes on this endpoint. + */ + if (Dir) { // IN: to host + WRITE_REG32 (DIEPCTL (Ep), ((READ_REG32 (DIEPCTL (Ep))) & ~DXEPCTL_EPTYPE_MASK) | NewBits | (Ep << 22) | DXEPCTL_NAKSTS); + } else { // OUT: to device + WRITE_REG32 (DOEPCTL (Ep), ((READ_REG32 (DOEPCTL (Ep))) & ~DXEPCTL_EPTYPE_MASK) | NewBits); + } + + return Ret; +} + +STATIC +EFI_STATUS +HandleSetConfiguration ( + IN USB_DEVICE_REQUEST *Request + ) +{ + ASSERT (Request->RequestType == USB_DEV_SET_CONFIGURATION_REQ_TYPE); + + // Cancel all transfers + ResetEndpoints (); + + UsbDrvRequestEndpoint (2, 0); + UsbDrvRequestEndpoint (2, 0x80); + + WRITE_REG32 (DIEPCTL1, (READ_REG32 (DIEPCTL1)) | BIT28 | BIT19 | DXEPCTL_USBACTEP | BIT11); + + /* Enable interrupts on all endpoints */ + WRITE_REG32 (DAINTMSK, ~0); + + EpRx (1, CMD_SIZE); + EpTx (0, 0, 0); + return EFI_SUCCESS; +} + + +STATIC +EFI_STATUS +HandleDeviceRequest ( + IN USB_DEVICE_REQUEST *Request + ) +{ + EFI_STATUS Status; + + switch (Request->Request) { + case USB_DEV_GET_DESCRIPTOR: + Status = HandleGetDescriptor (Request); + break; + case USB_DEV_SET_ADDRESS: + Status = HandleSetAddress (Request); + break; + case USB_DEV_SET_CONFIGURATION: + Status = HandleSetConfiguration (Request); + break; + default: + DEBUG ((DEBUG_ERROR, + "Didn't understand RequestType 0x%x Request 0x%x\n", + Request->RequestType, Request->Request)); + Status = EFI_INVALID_PARAMETER; + break; + } + + return Status; +} + + +// Instead of actually registering interrupt handlers, we poll the controller's +// interrupt source register in this function. +STATIC +VOID +CheckInterrupts ( + IN EFI_EVENT Event, + IN VOID *Context + ) +{ + UINT32 Ints, EpInts; + + + // interrupt register + Ints = READ_REG32 (GINTSTS); + + /* + * bus reset + * The core sets this bit to indicate that a reset is detected on the USB. + */ + if (Ints & GINTSTS_USBRST) { + WRITE_REG32 (DCFG, DCFG_DESCDMA | DCFG_NZ_STS_OUT_HSHK); + ResetEndpoints (); + } + + /* + * enumeration done, we now know the speed + * The core sets this bit to indicate that speed enumeration is complete. The + * application must read the Device Status (DSTS) register to obtain the + * enumerated speed. + */ + if (Ints & GINTSTS_ENUMDONE) { + /* Set up the maximum packet sizes accordingly */ + UINTN MaxPacket = UsbDrvPortSpeed () ? USB_BLOCK_HIGH_SPEED_SIZE : 64; + //Set Maximum In Packet Size (MPS) + WRITE_REG32 (DIEPCTL1, ((READ_REG32 (DIEPCTL1)) & ~DXEPCTL_MPS_MASK) | MaxPacket); + //Set Maximum Out Packet Size (MPS) + WRITE_REG32 (DOEPCTL1, ((READ_REG32 (DOEPCTL1)) & ~DXEPCTL_MPS_MASK) | MaxPacket); + } + + /* + * IN EP event + * The core sets this bit to indicate that an interrupt is pending on one of the IN + * endpoInts of the core (in Device mode). The application must read the + * Device All EndpoInts Interrupt (DAINT) register to determine the exact + * number of the IN endpoint on which the interrupt occurred, and then read + * the corresponding Device IN Endpoint-n Interrupt (DIEPINTn) register to + * determine the exact cause of the interrupt. The application must clear the + * appropriate status bit in the corresponding DIEPINTn register to clear this bit. + */ + if (Ints & GINTSTS_IEPINT) { + EpInts = READ_REG32 (DIEPINT0); + WRITE_REG32 (DIEPINT0, EpInts); + if (EpInts & DXEPINT_XFERCOMPL) { + DEBUG ((DEBUG_INFO, "INT: IN TX completed.DIEPTSIZ (0) = 0x%x.\n", READ_REG32 (DIEPTSIZ0))); + } + + EpInts = READ_REG32 (DIEPINT1); + WRITE_REG32 (DIEPINT1, EpInts); + if (EpInts & DXEPINT_XFERCOMPL) { + DEBUG ((DEBUG_INFO, "ep1: IN TX completed\n")); + } + } + + /* + * OUT EP event + * The core sets this bit to indicate that an interrupt is pending on one of the + * OUT endpoints of the core (in Device mode). The application must read the + * Device All EndpoInts Interrupt (DAINT) register to determine the exact + * number of the OUT endpoint on which the interrupt occurred, and then read + * the corresponding Device OUT Endpoint-n Interrupt (DOEPINTn) register + * to determine the exact cause of the interrupt. The application must clear the + * appropriate status bit in the corresponding DOEPINTn register to clear this bit. + */ + if (Ints & GINTSTS_OEPINT) { + /* indicates the status of an endpoint + * with respect to USB- and AHB-related events. */ + EpInts = READ_REG32 (DOEPINT0); + if (EpInts) { + WRITE_REG32 (DOEPINT0, EpInts); + if (EpInts & DXEPINT_XFERCOMPL) { + DEBUG ((DEBUG_INFO, "INT: EP0 RX completed. DOEPTSIZ(0) = 0x%x.\n", READ_REG32 (DOEPTSIZ0))); + } + /* + * + IN Token Received When TxFIFO is Empty (INTknTXFEmp) + * Indicates that an IN token was received when the associated TxFIFO (periodic/nonperiodic) + * was empty. This interrupt is asserted on the endpoint for which the IN token + * was received. + */ + if (EpInts & BIT3) { /* SETUP phase done */ + WRITE_REG32 (DIEPCTL0, READ_REG32 (DIEPCTL0) | DXEPCTL_SNAK); + WRITE_REG32 (DOEPCTL0, READ_REG32 (DOEPCTL0) | DXEPCTL_SNAK); + /*clear IN EP intr*/ + WRITE_REG32 (DIEPINT0, ~0); + HandleDeviceRequest((USB_DEVICE_REQUEST *)gCtrlReq); + } + + /* Make sure EP0 OUT is set up to accept the next request */ + WRITE_REG32 (DOEPTSIZ0, DXEPTSIZ_SUPCNT(3) | DXEPTSIZ_PKTCNT(1) | DXEPTSIZ_XFERSIZE(64)); + /* + * IN Token Received When TxFIFO is Empty (INTknTXFEmp) + * Indicates that an IN token was received when the associated TxFIFO (periodic/nonperiodic) + * was empty. This interrupt is asserted on the endpoint for which the IN token + * was received. + */ + gDmaDescEp0->status.b.bs = 0x3; + gDmaDescEp0->status.b.mtrf = 0; + gDmaDescEp0->status.b.sr = 0; + gDmaDescEp0->status.b.l = 1; + gDmaDescEp0->status.b.ioc = 1; + gDmaDescEp0->status.b.sp = 0; + gDmaDescEp0->status.b.bytes = 64; + gDmaDescEp0->buf = (UINT32)(UINTN)(gCtrlReq); + gDmaDescEp0->status.b.sts = 0; + gDmaDescEp0->status.b.bs = 0x0; + WRITE_REG32 (DOEPDMA0, (UINT32)(UINTN)(gDmaDescEp0)); + // endpoint enable; clear NAK + WRITE_REG32 (DOEPCTL0, DXEPCTL_EPENA | DXEPCTL_CNAK); + } + + EpInts = (READ_REG32 (DOEPINT1)); + if (EpInts) { + WRITE_REG32 (DOEPINT1, EpInts); + /* Transfer Completed Interrupt (XferCompl);Transfer completed */ + if (EpInts & DXEPINT_XFERCOMPL) { + + UINTN Bytes = RxDescBytes - gDmaDesc->status.b.bytes; + UINTN Len = 0; + + ArmDataSynchronizationBarrier (); + if (MATCH_CMD_LITERAL ("download", RxBuf)) { + mNumDataBytes = AsciiStrHexToUint64 (RxBuf + sizeof ("download")); + } else { + if (mNumDataBytes != 0) { + mNumDataBytes -= Bytes; + } + } + + mDataReceivedCallback (Bytes, RxBuf); + + if (mNumDataBytes == 0) { + Len = CMD_SIZE; + } else if (mNumDataBytes > DATA_SIZE) { + Len = DATA_SIZE; + } else { + Len = mNumDataBytes; + } + + EpRx (1, Len); + } + } + } + + //WRITE_REG32 clear ints + WRITE_REG32 (GINTSTS, Ints); +} + +EFI_STATUS +DwUsbSend ( + IN UINT8 EndpointIndex, + IN UINTN Size, + IN CONST VOID *Buffer + ) +{ + EpTx (EndpointIndex, Buffer, Size); + return EFI_SUCCESS; +} + +STATIC +VOID +DwUsbInit ( + VOID + ) +{ + VOID *Buf; + UINT32 Data; + + Buf = UncachedAllocatePages (16); + gDmaDesc = Buf; + gDmaDescEp0 = gDmaDesc + sizeof (dwc_otg_dev_dma_desc_t); + gDmaDescIn = gDmaDescEp0 + sizeof (dwc_otg_dev_dma_desc_t); + gCtrlReq = (USB_DEVICE_REQUEST *)gDmaDescIn + sizeof (dwc_otg_dev_dma_desc_t); + + ZeroMem (gDmaDesc, sizeof (dwc_otg_dev_dma_desc_t)); + ZeroMem (gDmaDescEp0, sizeof (dwc_otg_dev_dma_desc_t)); + ZeroMem (gDmaDescIn, sizeof (dwc_otg_dev_dma_desc_t)); + + /*Reset usb controller.*/ + /* Wait for OTG AHB master idle */ + do { + Data = READ_REG32 (GRSTCTL) & GRSTCTL_AHBIDLE; + } while (Data == 0); + + /* OTG: Assert Software Reset */ + WRITE_REG32 (GRSTCTL, GRSTCTL_CSFTRST); + + /* Wait for OTG to ack reset */ + while (READ_REG32 (GRSTCTL) & GRSTCTL_CSFTRST); + + /* Wait for OTG AHB master idle */ + while ((READ_REG32 (GRSTCTL) & GRSTCTL_AHBIDLE) == 0); + + WRITE_REG32 (GDFIFOCFG, DATA_FIFO_CONFIG); + WRITE_REG32 (GRXFSIZ, RX_SIZE); + WRITE_REG32 (GNPTXFSIZ, ENDPOINT_TX_SIZE); + WRITE_REG32 (DIEPTXF1, DATA_IN_ENDPOINT_TX_FIFO1); + WRITE_REG32 (DIEPTXF2, DATA_IN_ENDPOINT_TX_FIFO2); + WRITE_REG32 (DIEPTXF3, DATA_IN_ENDPOINT_TX_FIFO3); + WRITE_REG32 (DIEPTXF4, DATA_IN_ENDPOINT_TX_FIFO4); + WRITE_REG32 (DIEPTXF5, DATA_IN_ENDPOINT_TX_FIFO5); + WRITE_REG32 (DIEPTXF6, DATA_IN_ENDPOINT_TX_FIFO6); + WRITE_REG32 (DIEPTXF7, DATA_IN_ENDPOINT_TX_FIFO7); + WRITE_REG32 (DIEPTXF8, DATA_IN_ENDPOINT_TX_FIFO8); + WRITE_REG32 (DIEPTXF9, DATA_IN_ENDPOINT_TX_FIFO9); + WRITE_REG32 (DIEPTXF10, DATA_IN_ENDPOINT_TX_FIFO10); + WRITE_REG32 (DIEPTXF11, DATA_IN_ENDPOINT_TX_FIFO11); + WRITE_REG32 (DIEPTXF12, DATA_IN_ENDPOINT_TX_FIFO12); + WRITE_REG32 (DIEPTXF13, DATA_IN_ENDPOINT_TX_FIFO13); + WRITE_REG32 (DIEPTXF14, DATA_IN_ENDPOINT_TX_FIFO14); + WRITE_REG32 (DIEPTXF15, DATA_IN_ENDPOINT_TX_FIFO15); + + /* + * set Periodic TxFIFO Empty Level, + * Non-Periodic TxFIFO Empty Level, + * Enable DMA, Unmask Global Intr + */ + WRITE_REG32 (GAHBCFG, GAHBCFG_CTRL_MASK); + + /*select 8bit UTMI+, ULPI Inerface*/ + WRITE_REG32 (GUSBCFG, 0x2400); + + /* Detect usb work mode,host or device? */ + do { + Data = READ_REG32 (GINTSTS); + } while (Data & GINTSTS_CURMODE_HOST); + MicroSecondDelay (3); + + /*Init global and device mode csr register.*/ + /*set Non-Zero-Length status out handshake */ + Data = (0x20 << DCFG_EPMISCNT_SHIFT) | DCFG_NZ_STS_OUT_HSHK; + WRITE_REG32 (DCFG, Data); + + /* Interrupt unmask: IN event, OUT event, bus reset */ + Data = GINTSTS_OEPINT | GINTSTS_IEPINT | GINTSTS_ENUMDONE | GINTSTS_USBRST; + WRITE_REG32 (GINTMSK, Data); + + do { + Data = READ_REG32 (GINTSTS) & GINTSTS_ENUMDONE; + } while (Data); + + /* Clear any pending OTG Interrupts */ + WRITE_REG32 (GOTGINT, ~0); + /* Clear any pending interrupts */ + WRITE_REG32 (GINTSTS, ~0); + WRITE_REG32 (GINTMSK, ~0); + Data = READ_REG32 (GOTGINT); + Data &= ~0x3000; + WRITE_REG32 (GOTGINT, Data); + + /* endpoint settings cfg */ + ResetEndpoints (); + MicroSecondDelay (1); + + /* init finish. and ready to transfer data */ + + /* Soft Disconnect */ + WRITE_REG32 (DCTL, DCTL_PWRONPRGDONE | DCTL_SFTDISCON); + MicroSecondDelay (10000); + + /* Soft Reconnect */ + WRITE_REG32 (DCTL, DCTL_PWRONPRGDONE); +} + +EFI_STATUS +EFIAPI +DwUsbStart ( + IN USB_DEVICE_DESCRIPTOR *DeviceDescriptor, + IN VOID **Descriptors, + IN USB_DEVICE_RX_CALLBACK RxCallback, + IN USB_DEVICE_TX_CALLBACK TxCallback + ) +{ + UINT8 *Ptr; + EFI_STATUS Status; + EFI_EVENT TimerEvent; + + ASSERT (DeviceDescriptor != NULL); + ASSERT (Descriptors[0] != NULL); + ASSERT (RxCallback != NULL); + ASSERT (TxCallback != NULL); + + DwUsbInit(); + + mDeviceDescriptor = DeviceDescriptor; + mDescriptors = Descriptors[0]; + + // Right now we just support one configuration + ASSERT (mDeviceDescriptor->NumConfigurations == 1); + mDeviceDescriptor->StrManufacturer = 1; + mDeviceDescriptor->StrProduct = 2; + mDeviceDescriptor->StrSerialNumber = 3; + // ... and one interface + mConfigDescriptor = (USB_CONFIG_DESCRIPTOR *)mDescriptors; + ASSERT (mConfigDescriptor->NumInterfaces == 1); + + Ptr = ((UINT8 *) mDescriptors) + sizeof (USB_CONFIG_DESCRIPTOR); + mInterfaceDescriptor = (USB_INTERFACE_DESCRIPTOR *) Ptr; + Ptr += sizeof (USB_INTERFACE_DESCRIPTOR); + + mEndpointDescriptors = (USB_ENDPOINT_DESCRIPTOR *) Ptr; + + mDataReceivedCallback = RxCallback; + mDataSentCallback = TxCallback; + + // Register a timer event so CheckInterupts gets called periodically + Status = gBS->CreateEvent ( + EVT_TIMER | EVT_NOTIFY_SIGNAL, + TPL_CALLBACK, + CheckInterrupts, + NULL, + &TimerEvent + ); + ASSERT_EFI_ERROR (Status); + if (EFI_ERROR (Status)) { + return Status; + } + + Status = gBS->SetTimer ( + TimerEvent, + TimerPeriodic, + DW_INTERRUPT_POLL_PERIOD + ); + ASSERT_EFI_ERROR (Status); + + return Status; +} + +USB_DEVICE_PROTOCOL mUsbDevice = { + DwUsbStart, + DwUsbSend +}; + + +EFI_STATUS +EFIAPI +DwUsbEntryPoint ( + IN EFI_HANDLE ImageHandle, + IN EFI_SYSTEM_TABLE *SystemTable + ) +{ + EFI_STATUS Status; + + Status = gBS->LocateProtocol (&gDwUsbProtocolGuid, NULL, (VOID **) &DwUsb); + if (EFI_ERROR (Status)) { + return Status; + } + + Status = DwUsb->PhyInit(USB_DEVICE_MODE); + if (EFI_ERROR (Status)) { + return Status; + } + + return gBS->InstallProtocolInterface ( + &ImageHandle, + &gUsbDeviceProtocolGuid, + EFI_NATIVE_INTERFACE, + &mUsbDevice + ); +} diff --git a/Drivers/Usb/DwUsbDxe/DwUsbDxe.dec b/Drivers/Usb/DwUsbDxe/DwUsbDxe.dec new file mode 100644 index 0000000..f991492 --- /dev/null +++ b/Drivers/Usb/DwUsbDxe/DwUsbDxe.dec @@ -0,0 +1,46 @@ +#/** @file +# Framework Module Development Environment Industry Standards +# +# This Package provides headers and libraries that conform to EFI/PI Industry standards. +# Copyright (c) 2007, Intel Corporation. All rights reserved.
+# Copyright (c) 2012-2014, ARM Ltd. All rights reserved.
+# Copyright (c) 2015-2017, Linaro. 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. +# +#**/ + +[Defines] + DEC_SPECIFICATION = 0x00010019 + PACKAGE_NAME = OpenPlatformDriversUsbDwUsbDxePkg + PACKAGE_GUID = 114a3be9-10f7-4bf1-81ca-09ac52d4c3d5 + PACKAGE_VERSION = 0.1 + + +################################################################################ +# +# Include Section - list of Include Paths that are provided by this package. +# Comments are used for Keywords and Module Types. +# +# Supported Module Types: +# BASE SEC PEI_CORE PEIM DXE_CORE DXE_DRIVER DXE_RUNTIME_DRIVER DXE_SMM_DRIVER DXE_SAL_DRIVER UEFI_DRIVER UEFI_APPLICATION +# +################################################################################ + +[Guids.common] + gAndroidFastbootUsbGuid = { 0xf6bec3fe, 0x88fb, 0x11e3, { 0xae, 0x84, 0xe7, 0x3b, 0x77, 0x56, 0x1c, 0x35 }} + gDwUsbDxeTokenSpaceGuid = { 0x131c4d02, 0x9449, 0x4ee9, { 0xba, 0x3d, 0x69, 0x50, 0x21, 0x89, 0x26, 0x0b }} + +[Protocols.common] + gDwUsbProtocolGuid = { 0x109fa264, 0x7811, 0x4862, { 0xa9, 0x73, 0x4a, 0xb2, 0xef, 0x2e, 0xe2, 0xff }} + +[PcdsFixedAtBuild.common] + # DwUsb Driver PCDs + gDwUsbDxeTokenSpaceGuid.PcdDwUsbDxeBaseAddress|0x0|UINT32|0x00000001 + gDwUsbDxeTokenSpaceGuid.PcdSysCtrlBaseAddress|0x0|UINT32|0x00000002 diff --git a/Drivers/Usb/DwUsbDxe/DwUsbDxe.h b/Drivers/Usb/DwUsbDxe/DwUsbDxe.h new file mode 100644 index 0000000..7f909c3 --- /dev/null +++ b/Drivers/Usb/DwUsbDxe/DwUsbDxe.h @@ -0,0 +1,627 @@ +/** @file + + Copyright (c) 2015-2017, Linaro. 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. + +**/ + +#ifndef __DW_USB_DXE_H__ +#define __DW_USB_DXE_H__ + +#define DW_USB_BASE FixedPcdGet32 (PcdDwUsbDxeBaseAddress) + +#define READ_REG32(Offset) MmioRead32 (DW_USB_BASE + Offset) +#define READ_REG16(Offset) (UINT16)READ_REG32 (Offset) +#define WRITE_REG32(Offset, Val) MmioWrite32 (DW_USB_BASE + Offset, Val) +#define WRITE_REG16(Offset, Val) MmioWrite32 (DW_USB_BASE + Offset, (UINT32) Val) +#define WRITE_REG8(Offset, Val) MmioWrite32 (DW_USB_BASE + Offset, (UINT32) Val) + +// Max packet size in bytes (For Full Speed USB 64 is the only valid value) +#define MAX_PACKET_SIZE_CONTROL 64 + +#define MAX_PACKET_SIZE_BULK 512 + +// 8 Endpoints, in and out. Don't count the Endpoint 0 setup buffer +#define DW_NUM_ENDPOINTS 16 + +// Endpoint Indexes +#define DW_EP0SETUP 0x20 +#define DW_EP0RX 0x00 +#define DW_EP0TX 0x01 +#define DW_EP1RX 0x02 +#define DW_EP1TX 0x03 + +// DcInterrupt bits +#define DW_DC_INTERRUPT_EP1TX BIT13 +#define DW_DC_INTERRUPT_EP1RX BIT12 +#define DW_DC_INTERRUPT_EP0TX BIT11 +#define DW_DC_INTERRUPT_EP0RX BIT10 +#define DW_DC_INTERRUPT_EP0SETUP BIT8 +#define DW_DC_INTERRUPT_VBUS BIT7 +#define DW_DC_INTERRUPT_DMA BIT6 +#define DW_DC_INTERRUPT_HS_STAT BIT5 +#define DW_DC_INTERRUPT_RESUME BIT4 +#define DW_DC_INTERRUPT_SUSP BIT3 +#define DW_DC_INTERRUPT_PSOF BIT2 +#define DW_DC_INTERRUPT_SOF BIT1 +#define DW_DC_INTERRUPT_BRESET BIT0 +// All valid peripheral controller int rrupts +#define DW_DC_INTERRUPT_MASK 0x003FFFDFF + +#define DW_ADDRESS 0x200 +#define DW_ADDRESS_DEVEN BIT7 + +#define DW_MODE 0x20C +#define DW_MODE_DATA_BUS_WIDTH BIT8 +#define DW_MODE_CLKAON BIT7 +#define DW_MODE_SFRESET BIT4 +#define DW_MODE_WKUPCS BIT2 + +#define DW_ENDPOINT_MAX_PACKET_SIZE 0x204 + +#define DW_ENDPOINT_TYPE 0x208 +#define DW_ENDPOINT_TYPE_NOEMPKT BIT4 +#define DW_ENDPOINT_TYPE_ENABLE BIT3 + +#define DW_INTERRUPT_CONFIG 0x210 +// Interrupt config value to only interrupt on ACK of IN and OUT tokens +#define DW_INTERRUPT_CONFIG_ACK_ONLY (BIT2 | BIT5 | BIT6) + +#define DW_DC_INTERRUPT 0x218 +#define DW_DC_INTERRUPT_ENABLE 0x214 + +#define DW_CTRL_FUNCTION 0x228 +#define DW_CTRL_FUNCTION_VENDP BIT3 +#define DW_CTRL_FUNCTION_DSEN BIT2 +#define DW_CTRL_FUNCTION_STATUS BIT1 + +#define DW_DEVICE_UNLOCK 0x27C +#define DW_DEVICE_UNLOCK_MAGIC 0xAA37 + +#define DW_SW_RESET_REG 0x30C +#define DW_SW_RESET_ALL BIT0 + +#define DW_DEVICE_ID 0x370 + +#define DW_OTG_CTRL_SET 0x374 +#define DW_OTG_CTRL_CLR (OTG_CTRL_SET + 2) +#define DW_OTG_CTRL_OTG_DISABLE BIT10 +#define DW_OTG_CTRL_VBUS_CHRG BIT6 +#define DW_OTG_CTRL_VBUS_DISCHRG BIT5 +#define DW_OTG_CTRL_DM_PULLDOWN BIT2 +#define DW_OTG_CTRL_DP_PULLDOWN BIT1 +#define DW_OTG_CTRL_DP_PULLUP BIT0 + +#define DW_OTG_STATUS 0x378 +#define DW_OTG_STATUS_B_SESS_END BIT7 +#define DW_OTG_STATUS_A_B_SESS_VLD BIT1 + +#define DW_OTG_INTERRUPT_LATCH_SET 0x37C +#define DW_OTG_INTERRUPT_LATCH_CLR 0x37E +#define DW_OTG_INTERRUPT_ENABLE_RISE 0x384 + +#define DW_DMA_ENDPOINT_INDEX 0x258 + +#define DW_ENDPOINT_INDEX 0x22c +#define DW_DATA_PORT 0x220 +#define DW_BUFFER_LENGTH 0x21c + +// Device ID Values +#define PHILLIPS_VENDOR_ID_VAL 0x04cc +#define DW_PRODUCT_ID_VAL 0x1761 +#define DW_DEVICE_ID_VAL ((ISP1761_PRODUCT_ID_VAL << 16) | \ + PHILLIPS_VENDOR_ID_VAL) + +#define DWC_OTG_BASE DW_USB_BASE + +#define USB_NUM_ENDPOINTS 2 +#define MAX_EPS_CHANNELS 16 + +#define BULK_OUT_EP 1 +#define BULK_IN_EP 1 + +#define RX_REQ_LEN 512 +#define MAX_PACKET_LEN 512 + +#define DATA_FIFO_CONFIG 0x0F801000 +/* RX FIFO: 2048 bytes */ +#define RX_SIZE 0x00000200 +/* Non-periodic TX FIFO: 128 bytes. start address: 0x200 * 4. */ +#define ENDPOINT_TX_SIZE 0x01000200 + +/* EP1 TX FIFO: 1024 bytes. start address: 0x220 * 4. */ +/* EP2 TX FIFO: 1024 bytes. start address: 0x320 * 4. */ +/* EP3 TX FIFO: 1024 bytes. start address: 0x420 * 4. */ +/* EP4 TX FIFO: 1024 bytes. start address: 0x520 * 4. */ +/* EP5 TX FIFO: 128 bytes. start address: 0x620 * 4. */ +/* EP6 TX FIFO: 128 bytes. start address: 0x640 * 4. */ +/* EP7 TX FIFO: 128 bytes. start address: 0x660 * 4. */ +/* EP8 TX FIFO: 128 bytes. start address: 0x680 * 4. */ +/* EP9 TX FIFO: 128 bytes. start address: 0x6A0 * 4. */ +/* EP10 TX FIFO: 128 bytes. start address: 0x6C0 * 4. */ +/* EP11 TX FIFO: 128 bytes. start address: 0x6E0 * 4. */ +/* EP12 TX FIFO: 128 bytes. start address: 0x700 * 4. */ +/* EP13 TX FIFO: 128 bytes. start address: 0x720 * 4. */ +/* EP14 TX FIFO: 128 bytes. start address: 0x740 * 4. */ +/* EP15 TX FIFO: 128 bytes. start address: 0x760 * 4. */ + +#define DATA_IN_ENDPOINT_TX_FIFO1 0x01000220 +#define DATA_IN_ENDPOINT_TX_FIFO2 0x01000320 +#define DATA_IN_ENDPOINT_TX_FIFO3 0x01000420 +#define DATA_IN_ENDPOINT_TX_FIFO4 0x01000520 +#define DATA_IN_ENDPOINT_TX_FIFO5 0x00200620 +#define DATA_IN_ENDPOINT_TX_FIFO6 0x00200640 +#define DATA_IN_ENDPOINT_TX_FIFO7 0x00200680 +#define DATA_IN_ENDPOINT_TX_FIFO8 0x002006A0 +#define DATA_IN_ENDPOINT_TX_FIFO9 0x002006C0 +#define DATA_IN_ENDPOINT_TX_FIFO10 0x002006E0 +#define DATA_IN_ENDPOINT_TX_FIFO11 0x00200700 +#define DATA_IN_ENDPOINT_TX_FIFO12 0x00200720 +#define DATA_IN_ENDPOINT_TX_FIFO13 0x00200740 +#define DATA_IN_ENDPOINT_TX_FIFO14 0x00200760 +#define DATA_IN_ENDPOINT_TX_FIFO15 0x00200F00 + +/*DWC_OTG regsiter descriptor*/ +/*Device mode CSR MAP*/ +#define DEVICE_CSR_BASE 0x800 +/*Device mode CSR MAP*/ +#define DEVICE_INEP_BASE 0x900 +/*Device mode CSR MAP*/ +#define DEVICE_OUTEP_BASE 0xB00 + +/*** OTG LINK CORE REGISTERS ***/ +/* Core Global Registers */ +#define GOTGCTL 0x000 +#define GOTGINT 0x004 +#define GAHBCFG 0x008 +#define GAHBCFG_P_TXF_EMP_LVL (1 << 8) +#define GAHBCFG_NP_TXF_EMP_LVL (1 << 7) +#define GAHBCFG_DMA_EN (1 << 5) +#define GAHBCFG_GLBL_INTR_EN (1 << 0) +#define GAHBCFG_CTRL_MASK (GAHBCFG_P_TXF_EMP_LVL | \ + GAHBCFG_NP_TXF_EMP_LVL | \ + GAHBCFG_DMA_EN | \ + GAHBCFG_GLBL_INTR_EN) + +#define GUSBCFG 0x00C +#define GRSTCTL 0x010 +#define GRSTCTL_AHBIDLE (1 << 31) +#define GRSTCTL_CSFTRST (1 << 0) + +#define GINTSTS 0x014 +#define GINTSTS_WKUPINT BIT31 +#define GINTSTS_SESSREGINT BIT30 +#define GINTSTS_DISCONNINT BIT29 +#define GINTSTS_CONIDSTSCHNG BIT28 +#define GINTSTS_LPMTRANRCVD BIT27 +#define GINTSTS_PTXFEMP BIT26 +#define GINTSTS_HCHINT BIT25 +#define GINTSTS_PRTINT BIT24 +#define GINTSTS_RESETDET BIT23 +#define GINTSTS_FET_SUSP BIT22 +#define GINTSTS_INCOMPL_IP BIT21 +#define GINTSTS_INCOMPL_SOIN BIT20 +#define GINTSTS_OEPINT BIT19 +#define GINTSTS_IEPINT BIT18 +#define GINTSTS_EPMIS BIT17 +#define GINTSTS_RESTOREDONE BIT16 +#define GINTSTS_EOPF BIT15 +#define GINTSTS_ISOUTDROP BIT14 +#define GINTSTS_ENUMDONE BIT13 +#define GINTSTS_USBRST BIT12 +#define GINTSTS_USBSUSP BIT11 +#define GINTSTS_ERLYSUSP BIT10 +#define GINTSTS_I2CINT BIT9 +#define GINTSTS_ULPI_CK_INT BIT8 +#define GINTSTS_GOUTNAKEFF BIT7 +#define GINTSTS_GINNAKEFF BIT6 +#define GINTSTS_NPTXFEMP BIT5 +#define GINTSTS_RXFLVL BIT4 +#define GINTSTS_SOF BIT3 +#define GINTSTS_OTGINT BIT2 +#define GINTSTS_MODEMIS BIT1 +#define GINTSTS_CURMODE_HOST BIT0 + +#define GINTMSK 0x018 +#define GRXSTSR 0x01C +#define GRXSTSP 0x020 +#define GRXFSIZ 0x024 +#define GNPTXFSIZ 0x028 +#define GNPTXSTS 0x02C + +#define GHWCFG1 0x044 +#define GHWCFG2 0x048 +#define GHWCFG3 0x04c +#define GHWCFG4 0x050 +#define GLPMCFG 0x054 + +#define GDFIFOCFG 0x05c + +#define HPTXFSIZ 0x100 +#define DIEPTXF(x) (0x100 + 4 * (x)) +#define DIEPTXF1 0x104 +#define DIEPTXF2 0x108 +#define DIEPTXF3 0x10C +#define DIEPTXF4 0x110 +#define DIEPTXF5 0x114 +#define DIEPTXF6 0x118 +#define DIEPTXF7 0x11C +#define DIEPTXF8 0x120 +#define DIEPTXF9 0x124 +#define DIEPTXF10 0x128 +#define DIEPTXF11 0x12C +#define DIEPTXF12 0x130 +#define DIEPTXF13 0x134 +#define DIEPTXF14 0x138 +#define DIEPTXF15 0x13C + +/*** HOST MODE REGISTERS ***/ +/* Host Global Registers */ +#define HCFG 0x400 +#define HFIR 0x404 +#define HFNUM 0x408 +#define HPTXSTS 0x410 +#define HAINT 0x414 +#define HAINTMSK 0x418 + +/* Host Port Control and Status Registers */ +#define HPRT 0x440 + +/* Host Channel-Specific Registers */ +#define HCCHAR(x) (0x500 + 0x20 * (x)) +#define HCSPLT(x) (0x504 + 0x20 * (x)) +#define HCINT(x) (0x508 + 0x20 * (x)) +#define HCINTMSK(x) (0x50C + 0x20 * (x)) +#define HCTSIZ(x) (0x510 + 0x20 * (x)) +#define HCDMA(x) (0x514 + 0x20 * (x)) +#define HCCHAR0 0x500 +#define HCSPLT0 0x504 +#define HCINT0 0x508 +#define HCINTMSK0 0x50C +#define HCTSIZ0 0x510 +#define HCDMA0 0x514 +#define HCCHAR1 0x520 +#define HCSPLT1 0x524 +#define HCINT1 0x528 +#define HCINTMSK1 0x52C +#define HCTSIZ1 0x530 +#define HCDMA1 0x534 +#define HCCHAR2 0x540 +#define HCSPLT2 0x544 +#define HCINT2 0x548 +#define HCINTMSK2 0x54C +#define HCTSIZ2 0x550 +#define HCDMA2 0x554 +#define HCCHAR3 0x560 +#define HCSPLT3 0x564 +#define HCINT3 0x568 +#define HCINTMSK3 0x56C +#define HCTSIZ3 0x570 +#define HCDMA3 0x574 +#define HCCHAR4 0x580 +#define HCSPLT4 0x584 +#define HCINT4 0x588 +#define HCINTMSK4 0x58C +#define HCTSIZ4 0x590 +#define HCDMA4 0x594 +#define HCCHAR5 0x5A0 +#define HCSPLT5 0x5A4 +#define HCINT5 0x5A8 +#define HCINTMSK5 0x5AC +#define HCTSIZ5 0x5B0 +#define HCDMA5 0x5B4 +#define HCCHAR6 0x5C0 +#define HCSPLT6 0x5C4 +#define HCINT6 0x5C8 +#define HCINTMSK6 0x5CC +#define HCTSIZ6 0x5D0 +#define HCDMA6 0x5D4 +#define HCCHAR7 0x5E0 +#define HCSPLT7 0x5E4 +#define HCINT7 0x5E8 +#define HCINTMSK7 0x5EC +#define HCTSIZ7 0x5F0 +#define HCDMA7 0x5F4 +#define HCCHAR8 0x600 +#define HCSPLT8 0x604 +#define HCINT8 0x608 +#define HCINTMSK8 0x60C +#define HCTSIZ8 0x610 +#define HCDMA8 0x614 +#define HCCHAR9 0x620 +#define HCSPLT9 0x624 +#define HCINT9 0x628 +#define HCINTMSK9 0x62C +#define HCTSIZ9 0x630 +#define HCDMA9 0x634 +#define HCCHAR10 0x640 +#define HCSPLT10 0x644 +#define HCINT10 0x648 +#define HCINTMSK10 0x64C +#define HCTSIZ10 0x650 +#define HCDMA10 0x654 +#define HCCHAR11 0x660 +#define HCSPLT11 0x664 +#define HCINT11 0x668 +#define HCINTMSK11 0x66C +#define HCTSIZ11 0x670 +#define HCDMA11 0x674 +#define HCCHAR12 0x680 +#define HCSPLT12 0x684 +#define HCINT12 0x688 +#define HCINTMSK12 0x68C +#define HCTSIZ12 0x690 +#define HCDMA12 0x694 +#define HCCHAR13 0x6A0 +#define HCSPLT13 0x6A4 +#define HCINT13 0x6A8 +#define HCINTMSK13 0x6AC +#define HCTSIZ13 0x6B0 +#define HCDMA13 0x6B4 +#define HCCHAR14 0x6C0 +#define HCSPLT14 0x6C4 +#define HCINT14 0x6C8 +#define HCINTMSK14 0x6CC +#define HCTSIZ14 0x6D0 +#define HCDMA14 0x6D4 +#define HCCHAR15 0x6E0 +#define HCSPLT15 0x6E4 +#define HCINT15 0x6E8 +#define HCINTMSK15 0x6EC +#define HCTSIZ15 0x6F0 +#define HCDMA15 0x6F4 + +/*** DEVICE MODE REGISTERS ***/ +/* Device Global Registers */ +#define DCFG 0x800 +#define DCFG_DESCDMA BIT23 +#define DCFG_EPMISCNT_MASK (0x1F << 18) +#define DCFG_EPMISCNT_SHIFT 18 +#define DCFG_DEVADDR_MASK (0x7F << 4) +#define DCFG_DEVADDR_SHIFT 4 +#define DCFG_DEVADDR(x) (((x) << DCFG_DEVADDR_SHIFT) & DCFG_DEVADDR_MASK) +#define DCFG_NZ_STS_OUT_HSHK BIT2 + +#define DCTL 0x804 +#define DCTL_PWRONPRGDONE BIT11 +#define DCTL_GNPINNAKSTS BIT2 +#define DCTL_SFTDISCON BIT1 + +#define DSTS 0x808 +#define DIEPMSK 0x810 +#define DOEPMSK 0x814 + +#define DXEPMSK_TIMEOUTMSK BIT3 +#define DXEPMSK_AHBERMSK BIT2 +#define DXEPMSK_XFERCOMPLMSK BIT0 + +#define DAINT 0x818 +#define DAINTMSK 0x81C + +#define DAINTMSK_OUTEPMSK_SHIFT 16 +#define DAINTMSK_INEPMSK_SHIFT 0 + +#define DTKNQR1 0x820 +#define DTKNQR2 0x824 +#define DVBUSDIS 0x828 +#define DVBUSPULSE 0x82C +#define DTHRCTL 0x830 + +/* Device Logical IN Endpoint-Specific Registers */ +#define DIEPCTL(x) (0x900 + 0x20 * (x)) +#define DIEPINT(x) (0x908 + 0x20 * (x)) +#define DIEPTSIZ(x) (0x910 + 0x20 * (x)) +#define DIEPDMA(x) (0x914 + 0x20 * (x)) +#define DTXFSTS(x) (0x918 + 0x20 * (x)) + +#define DIEPCTL0 0x900 +#define DIEPINT0 0x908 +#define DIEPTSIZ0 0x910 +#define DIEPDMA0 0x914 +#define DIEPCTL1 0x920 +#define DIEPINT1 0x928 +#define DIEPTSIZ1 0x930 +#define DIEPDMA1 0x934 +#define DIEPCTL2 0x940 +#define DIEPINT2 0x948 +#define DIEPTSIZ2 0x950 +#define DIEPDMA2 0x954 +#define DIEPCTL3 0x960 +#define DIEPINT3 0x968 +#define DIEPTSIZ3 0x970 +#define DIEPDMA3 0x974 +#define DIEPCTL4 0x980 +#define DIEPINT4 0x988 +#define DIEPTSIZ4 0x990 +#define DIEPDMA4 0x994 +#define DIEPCTL5 0x9A0 +#define DIEPINT5 0x9A8 +#define DIEPTSIZ5 0x9B0 +#define DIEPDMA5 0x9B4 +#define DIEPCTL6 0x9C0 +#define DIEPINT6 0x9C8 +#define DIEPTSIZ6 0x9D0 +#define DIEPDMA6 0x9D4 +#define DIEPCTL7 0x9E0 +#define DIEPINT7 0x9E8 +#define DIEPTSIZ7 0x9F0 +#define DIEPDMA7 0x9F4 +#define DIEPCTL8 0xA00 +#define DIEPINT8 0xA08 +#define DIEPTSIZ8 0xA10 +#define DIEPDMA8 0xA14 +#define DIEPCTL9 0xA20 +#define DIEPINT9 0xA28 +#define DIEPTSIZ9 0xA30 +#define DIEPDMA9 0xA34 +#define DIEPCTL10 0xA40 +#define DIEPINT10 0xA48 +#define DIEPTSIZ10 0xA50 +#define DIEPDMA10 0xA54 +#define DIEPCTL11 0xA60 +#define DIEPINT11 0xA68 +#define DIEPTSIZ11 0xA70 +#define DIEPDMA11 0xA74 +#define DIEPCTL12 0xA80 +#define DIEPINT12 0xA88 +#define DIEPTSIZ12 0xA90 +#define DIEPDMA12 0xA94 +#define DIEPCTL13 0xAA0 +#define DIEPINT13 0xAA8 +#define DIEPTSIZ13 0xAB0 +#define DIEPDMA13 0xAB4 +#define DIEPCTL14 0xAC0 +#define DIEPINT14 0xAC8 +#define DIEPTSIZ14 0xAD0 +#define DIEPDMA14 0xAD4 +#define DIEPCTL15 0xAE0 +#define DIEPINT15 0xAE8 +#define DIEPTSIZ15 0xAF0 +#define DIEPDMA15 0xAF4 + +/* Device Logical OUT Endpoint-Specific Registers */ +#define DOEPCTL(x) (0xB00 + 0x20 * (x)) +#define DOEPINT(x) (0xB08 + 0x20 * (x)) +#define DOEPTSIZ(x) (0xB10 + 0x20 * (x)) + +#define DXEPINT_EPDISBLD BIT1 +#define DXEPINT_XFERCOMPL BIT0 + +#define DXEPTSIZ_SUPCNT(x) (((x) & 0x3) << 29) +#define DXEPTSIZ_PKTCNT(x) (((x) & 0x3) << 19) +#define DXEPTSIZ_XFERSIZE(x) ((x) & 0x7F) + +#define DOEPDMA(x) (0xB14 + 0x20 * (x)) +#define DOEPCTL0 0xB00 +#define DOEPINT0 0xB08 +#define DOEPTSIZ0 0xB10 +#define DOEPDMA0 0xB14 +#define DOEPCTL1 0xB20 +#define DOEPINT1 0xB28 +#define DOEPTSIZ1 0xB30 +#define DOEPDMA1 0xB34 +#define DOEPCTL2 0xB40 +#define DOEPINT2 0xB48 +#define DOEPTSIZ2 0xB50 +#define DOEPDMA2 0xB54 +#define DOEPCTL3 0xB60 +#define DOEPINT3 0xB68 +#define DOEPTSIZ3 0xB70 +#define DOEPDMA3 0xB74 +#define DOEPCTL4 0xB80 +#define DOEPINT4 0xB88 +#define DOEPTSIZ4 0xB90 +#define DOEPDMA4 0xB94 +#define DOEPCTL5 0xBA0 +#define DOEPINT5 0xBA8 +#define DOEPTSIZ5 0xBB0 +#define DOEPDMA5 0xBB4 +#define DOEPCTL6 0xBC0 +#define DOEPINT6 0xBC8 +#define DOEPTSIZ6 0xBD0 +#define DOEPDMA6 0xBD4 +#define DOEPCTL7 0xBE0 +#define DOEPINT7 0xBE8 +#define DOEPTSIZ7 0xBF0 +#define DOEPDMA7 0xBF4 +#define DOEPCTL8 0xC00 +#define DOEPINT8 0xC08 +#define DOEPTSIZ8 0xC10 +#define DOEPDMA8 0xC14 +#define DOEPCTL9 0xC20 +#define DOEPINT9 0xC28 +#define DOEPTSIZ9 0xC30 +#define DOEPDMA9 0xC34 +#define DOEPCTL10 0xC40 +#define DOEPINT10 0xC48 +#define DOEPTSIZ10 0xC50 +#define DOEPDMA10 0xC54 +#define DOEPCTL11 0xC60 +#define DOEPINT11 0xC68 +#define DOEPTSIZ11 0xC70 +#define DOEPDMA11 0xC74 +#define DOEPCTL12 0xC80 +#define DOEPINT12 0xC88 +#define DOEPTSIZ12 0xC90 +#define DOEPDMA12 0xC94 +#define DOEPCTL13 0xCA0 +#define DOEPINT13 0xCA8 +#define DOEPTSIZ13 0xCB0 +#define DOEPDMA13 0xCB4 +#define DOEPCTL14 0xCC0 +#define DOEPINT14 0xCC8 +#define DOEPTSIZ14 0xCD0 +#define DOEPDMA14 0xCD4 +#define DOEPCTL15 0xCE0 +#define DOEPINT15 0xCE8 +#define DOEPTSIZ15 0xCF0 +#define DOEPDMA15 0xCF4 + +#define DXEPCTL_EPENA BIT31 +#define DXEPCTL_SNAK BIT27 +#define DXEPCTL_CNAK BIT26 +#define DXEPCTL_STALL BIT21 +#define DXEPCTL_EPTYPE_MASK (BIT19 | BIT18) +#define DXEPCTL_NAKSTS BIT17 +#define DXEPCTL_USBACTEP BIT15 +#define DXEPCTL_MPS_MASK 0x7FF + +/* Power and Clock Gating Register */ +#define PCGCCTL 0xE00 + +#define EP0FIFO 0x1000 + +/** + * This union represents the bit fields in the DMA Descriptor + * status quadlet. Read the quadlet into the d32 member then + * set/clear the bits using the bit, b_iso_out and + * b_iso_in elements. + */ +typedef union { + /** raw register data */ + UINT32 d32; + /** quadlet bits */ + struct { + /** Received number of bytes */ + unsigned bytes:16; + /** NAK bit - only for OUT EPs */ + unsigned nak:1; + unsigned reserved17_22:6; + /** Multiple Transfer - only for OUT EPs */ + unsigned mtrf:1; + /** Setup Packet received - only for OUT EPs */ + unsigned sr:1; + /** Interrupt On Complete */ + unsigned ioc:1; + /** Short Packet */ + unsigned sp:1; + /** Last */ + unsigned l:1; + /** Receive Status */ + unsigned sts:2; + /** Buffer Status */ + unsigned bs:2; + } b; +} dev_dma_desc_sts_t; + +/** + * DMA Descriptor structure + * + * DMA Descriptor structure contains two quadlets: + * Status quadlet and Data buffer pointer. + */ +typedef struct { + /** DMA Descriptor status quadlet */ + dev_dma_desc_sts_t status; + /** DMA Descriptor data buffer pointer */ + UINT32 buf; +} dwc_otg_dev_dma_desc_t; + +#endif //ifndef __DW_USB_DXE_H__ diff --git a/Drivers/Usb/DwUsbDxe/DwUsbDxe.inf b/Drivers/Usb/DwUsbDxe/DwUsbDxe.inf new file mode 100644 index 0000000..fc1e988 --- /dev/null +++ b/Drivers/Usb/DwUsbDxe/DwUsbDxe.inf @@ -0,0 +1,52 @@ +#/** @file +# +# Copyright (c) 2015-2017, Linaro. 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. +# +# +#**/ + +[Defines] + INF_VERSION = 0x00010019 + BASE_NAME = DwUsbDxe + FILE_GUID = 72d78ea6-4dee-11e3-8100-f3842a48d0a0 + MODULE_TYPE = UEFI_DRIVER + VERSION_STRING = 1.0 + ENTRY_POINT = DwUsbEntryPoint + +[Sources.common] + DwUsbDxe.c + +[LibraryClasses] + ArmLib + DebugLib + IoLib + MemoryAllocationLib + TimerLib + UefiBootServicesTableLib + UefiDriverEntryPoint + UncachedMemoryAllocationLib + CacheMaintenanceLib + +[Protocols] + gEfiDriverBindingProtocolGuid + gUsbDeviceProtocolGuid + +[Packages] + ArmPkg/ArmPkg.dec + MdePkg/MdePkg.dec + MdeModulePkg/MdeModulePkg.dec + EmbeddedPkg/EmbeddedPkg.dec + OpenPlatformPkg/Drivers/Usb/DwUsbDxe/DwUsbDxe.dec + +[Pcd] + gDwUsbDxeTokenSpaceGuid.PcdDwUsbDxeBaseAddress + +[Depex] + BEFORE gAndroidFastbootUsbGuid diff --git a/Include/Protocol/DwUsb.h b/Include/Protocol/DwUsb.h new file mode 100644 index 0000000..040e126 --- /dev/null +++ b/Include/Protocol/DwUsb.h @@ -0,0 +1,81 @@ +/** @file + + Copyright (c) 2015-2017, Linaro. 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. + +**/ + +#ifndef __DW_USB_H__ +#define __DW_USB_H__ + +// +// Protocol GUID +// +#define DW_USB_PROTOCOL_GUID { 0x109fa264, 0x7811, 0x4862, { 0xa9, 0x73, 0x4a, 0xb2, 0xef, 0x2e, 0xe2, 0xff }} + +// +// Protocol interface structure +// +typedef struct _DW_USB_PROTOCOL DW_USB_PROTOCOL; + +#define USB_HOST_MODE 0 +#define USB_DEVICE_MODE 1 +#define USB_CABLE_NOT_ATTACHED 2 + +#define LANG_LENGTH 8 +#define MANU_FACTURER_STRING_LENGTH 32 +#define PRODUCT_STRING_LENGTH 32 +#define SERIAL_STRING_LENGTH 17 + +typedef +EFI_STATUS +(EFIAPI *DW_USB_GET_LANG) ( + OUT CHAR16 *Lang, + OUT UINT8 *Length + ); + +typedef +EFI_STATUS +(EFIAPI *DW_USB_GET_MANU_FACTURER) ( + OUT CHAR16 *ManuFacturer, + OUT UINT8 *Length + ); + +typedef +EFI_STATUS +(EFIAPI *DW_USB_GET_PRODUCT) ( + OUT CHAR16 *Product, + OUT UINT8 *Length + ); + +typedef +EFI_STATUS +(EFIAPI *DW_USB_GET_SERIAL_NO) ( + OUT CHAR16 *SerialNo, + OUT UINT8 *Length + ); + +typedef +EFI_STATUS +(EFIAPI *DW_USB_PHY_INIT) ( + IN UINT8 Mode + ); + +struct _DW_USB_PROTOCOL { + DW_USB_GET_LANG GetLang; + DW_USB_GET_MANU_FACTURER GetManuFacturer; + DW_USB_GET_PRODUCT GetProduct; + DW_USB_GET_SERIAL_NO GetSerialNo; + DW_USB_PHY_INIT PhyInit; +}; + +extern EFI_GUID gDwUsbProtocolGuid; + +#endif