From nobody Sat Feb 7 09:36:55 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of groups.io designates 66.175.222.108 as permitted sender) client-ip=66.175.222.108; envelope-from=bounce+27952+74160+1787277+3901457@groups.io; helo=mail02.groups.io; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of groups.io designates 66.175.222.108 as permitted sender) smtp.mailfrom=bounce+27952+74160+1787277+3901457@groups.io; dmarc=fail(p=none dis=none) header.from=linux.microsoft.com ARC-Seal: i=1; a=rsa-sha256; t=1618540355; cv=none; d=zohomail.com; s=zohoarc; b=Btqsw65XHU4jM7tNqwAM/1NrBC3zJbSs0Yre/yDTXnGc1Tdh0K5AoSGwAX/k8tvz0+VGD+6NQhfze86bPBguTRk7dQ3ekF7ewwMnE97i6vJ1VeCZd1/LiXtBEEASVsP7gr2KpmLPWwovHx7nRn0CXYFVNLXCx7wnRa7NqnYIwCs= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1618540355; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Reply-To:References:Sender:Subject:To; bh=F+gK/E9XLBqRr6D7Soz2sbKwcs/AglD+dJR3r4ep6hI=; b=HCX6NJd3Hw4HF9Qk1O9XC3LW8nSAKsYWNhmqz2ji7f8rBrey2AyHoGOzbXC4CxORgYTUDkDello1REK89gEKB5sGH7dPJWZ7D78AUQGOMmyXlEA0dB6oW+eBAU1d5fVJxVi229eyhuALkYQUJU1ITDkYggAASl/MrTPs9VdTeYU= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of groups.io designates 66.175.222.108 as permitted sender) smtp.mailfrom=bounce+27952+74160+1787277+3901457@groups.io; dmarc=fail header.from= (p=none dis=none) header.from= Received: from mail02.groups.io (mail02.groups.io [66.175.222.108]) by mx.zohomail.com with SMTPS id 1618540355936719.6908485275195; Thu, 15 Apr 2021 19:32:35 -0700 (PDT) Return-Path: X-Received: by 127.0.0.2 with SMTP id pw1BYY1788612x1F7Hy0m4Ic; Thu, 15 Apr 2021 19:32:35 -0700 X-Received: from linux.microsoft.com (linux.microsoft.com [13.77.154.182]) by mx.groups.io with SMTP id smtpd.web12.3830.1618540355025352571 for ; Thu, 15 Apr 2021 19:32:35 -0700 X-Received: from localhost.localdomain (unknown [167.220.2.74]) by linux.microsoft.com (Postfix) with ESMTPSA id A72CC20B8001; Thu, 15 Apr 2021 19:32:34 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com A72CC20B8001 From: "Michael Kubacki" To: devel@edk2.groups.io Cc: Ray Ni , Rangasai V Chaganty Subject: [edk2-devel] [edk2-platforms][PATCH v1 07/35] IntelSiliconPkg: Add PCH SPI Protocol Date: Thu, 15 Apr 2021 19:31:24 -0700 Message-Id: <20210416023152.771-8-mikuback@linux.microsoft.com> In-Reply-To: <20210416023152.771-1-mikuback@linux.microsoft.com> References: <20210416023152.771-1-mikuback@linux.microsoft.com> MIME-Version: 1.0 Precedence: Bulk List-Unsubscribe: List-Subscribe: List-Help: Sender: devel@edk2.groups.io List-Id: Mailing-List: list devel@edk2.groups.io; contact devel+owner@edk2.groups.io Reply-To: devel@edk2.groups.io,mikuback@linux.microsoft.com X-Gm-Message-State: MsPnaOU5OcfSMMh2Hbw3hVQ2x1787277AA= Content-Transfer-Encoding: quoted-printable DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=groups.io; q=dns/txt; s=20140610; t=1618540355; bh=V0KtiU8CB1kSa/gZxLVPS7d2x/qLnx2mAyappDmI3SE=; h=Cc:Date:From:Reply-To:Subject:To; b=QVO/X8BAIcd+y7nTzeh48pEDo9hVY2W58Oj0sAhq/Rs+PNAtFU6ACrO3qa/I+MYwCG+ mfgugvKpKkgVw1mtBaTx9VvQ0ktfN5SZXrbO/EDc6Z8qDYKXt1O8t8qyRtgM0UkXRzGRO 9suSmHyci36pFKHAhMp5IdnStgoKAPw9pc4= X-ZohoMail-DKIM: pass (identity @groups.io) Content-Type: text/plain; charset="utf-8" From: Michael Kubacki REF:https://bugzilla.tianocore.org/show_bug.cgi?id=3D3307 These SPI Protocol definitions are intended to serve as the single definitions for Intel platform and silicon packages. 1. gPchSpiProtocolGuid 2. gPchSmmSpiProtocolGuid Cc: Ray Ni Cc: Rangasai V Chaganty Signed-off-by: Michael Kubacki --- Silicon/Intel/IntelSiliconPkg/Include/Protocol/Spi.h | 301 +++++++++++++++= +++++ Silicon/Intel/IntelSiliconPkg/IntelSiliconPkg.dec | 5 + 2 files changed, 306 insertions(+) diff --git a/Silicon/Intel/IntelSiliconPkg/Include/Protocol/Spi.h b/Silicon= /Intel/IntelSiliconPkg/Include/Protocol/Spi.h new file mode 100644 index 000000000000..c13dc5a5f5f5 --- /dev/null +++ b/Silicon/Intel/IntelSiliconPkg/Include/Protocol/Spi.h @@ -0,0 +1,301 @@ +/** @file + This file defines the PCH SPI Protocol which implements the + Intel(R) PCH SPI Host Controller Compatibility Interface. + + Copyright (c) 2021, Intel Corporation. All rights reserved.
+ SPDX-License-Identifier: BSD-2-Clause-Patent +**/ +#ifndef _PCH_SPI_PROTOCOL_H_ +#define _PCH_SPI_PROTOCOL_H_ + +// +// Extern the GUID for protocol users. +// +extern EFI_GUID gPchSpiProtocolGuid; +extern EFI_GUID gPchSmmSpiProtocolGuid; + +// +// Forward reference for ANSI C compatibility +// +typedef struct _PCH_SPI_PROTOCOL PCH_SPI_PROTOCOL; + +// +// SPI protocol data structures and definitions +// + +/** + Flash Region Type +**/ +typedef enum { + FlashRegionDescriptor, + FlashRegionBios, + FlashRegionMe, + FlashRegionGbE, + FlashRegionPlatformData, + FlashRegionDer, + FlashRegionSecondaryBios, + FlashRegionuCodePatch, + FlashRegionEC, + FlashRegionDeviceExpansion2, + FlashRegionIE, + FlashRegion10Gbe_A, + FlashRegion10Gbe_B, + FlashRegion13, + FlashRegion14, + FlashRegion15, + FlashRegionAll, + FlashRegionMax +} FLASH_REGION_TYPE; +// +// Protocol member functions +// + +/** + Read data from the flash part. + + @param[in] This Pointer to the PCH_SPI_PROTOCOL instance. + @param[in] FlashRegionType The Flash Region type for flash cycle wh= ich is listed in the Descriptor. + @param[in] Address The Flash Linear Address must fall withi= n a region for which BIOS has access permissions. + @param[in] ByteCount Number of bytes in the data portion of t= he SPI cycle. + @param[out] Buffer The Pointer to caller-allocated buffer c= ontaining the dada received. + It is the caller's responsibility to mak= e sure Buffer is large enough for the total number of bytes read. + + @retval EFI_SUCCESS Command succeed. + @retval EFI_INVALID_PARAMETER The parameters specified are not valid. + @retval EFI_DEVICE_ERROR Device error, command aborts abnormally. +**/ +typedef +EFI_STATUS +(EFIAPI *PCH_SPI_FLASH_READ) ( + IN PCH_SPI_PROTOCOL *This, + IN FLASH_REGION_TYPE FlashRegionType, + IN UINT32 Address, + IN UINT32 ByteCount, + OUT UINT8 *Buffer + ); + +/** + Write data to the flash part. Remark: Erase may be needed before write t= o the flash part. + + @param[in] This Pointer to the PCH_SPI_PROTOCOL instance. + @param[in] FlashRegionType The Flash Region type for flash cycle wh= ich is listed in the Descriptor. + @param[in] Address The Flash Linear Address must fall withi= n a region for which BIOS has access permissions. + @param[in] ByteCount Number of bytes in the data portion of t= he SPI cycle. + @param[in] Buffer Pointer to caller-allocated buffer conta= ining the data sent during the SPI cycle. + + @retval EFI_SUCCESS Command succeed. + @retval EFI_INVALID_PARAMETER The parameters specified are not valid. + @retval EFI_DEVICE_ERROR Device error, command aborts abnormally. +**/ +typedef +EFI_STATUS +(EFIAPI *PCH_SPI_FLASH_WRITE) ( + IN PCH_SPI_PROTOCOL *This, + IN FLASH_REGION_TYPE FlashRegionType, + IN UINT32 Address, + IN UINT32 ByteCount, + IN UINT8 *Buffer + ); + +/** + Erase some area on the flash part. + + @param[in] This Pointer to the PCH_SPI_PROTOCOL instance. + @param[in] FlashRegionType The Flash Region type for flash cycle wh= ich is listed in the Descriptor. + @param[in] Address The Flash Linear Address must fall withi= n a region for which BIOS has access permissions. + @param[in] ByteCount Number of bytes in the data portion of t= he SPI cycle. + + @retval EFI_SUCCESS Command succeed. + @retval EFI_INVALID_PARAMETER The parameters specified are not valid. + @retval EFI_DEVICE_ERROR Device error, command aborts abnormally. +**/ +typedef +EFI_STATUS +(EFIAPI *PCH_SPI_FLASH_ERASE) ( + IN PCH_SPI_PROTOCOL *This, + IN FLASH_REGION_TYPE FlashRegionType, + IN UINT32 Address, + IN UINT32 ByteCount + ); + +/** + Read SFDP data from the flash part. + + @param[in] This Pointer to the PCH_SPI_PROTOCOL instance. + @param[in] ComponentNumber The Componen Number for chip select + @param[in] Address The starting byte address for SFDP data = read. + @param[in] ByteCount Number of bytes in SFDP data portion of = the SPI cycle + @param[out] SfdpData The Pointer to caller-allocated buffer c= ontaining the SFDP data received + It is the caller's responsibility to mak= e sure Buffer is large enough for the total number of bytes read + + @retval EFI_SUCCESS Command succeed. + @retval EFI_INVALID_PARAMETER The parameters specified are not valid. + @retval EFI_DEVICE_ERROR Device error, command aborts abnormally. +**/ +typedef +EFI_STATUS +(EFIAPI *PCH_SPI_FLASH_READ_SFDP) ( + IN PCH_SPI_PROTOCOL *This, + IN UINT8 ComponentNumber, + IN UINT32 Address, + IN UINT32 ByteCount, + OUT UINT8 *SfdpData + ); + +/** + Read Jedec Id from the flash part. + + @param[in] This Pointer to the PCH_SPI_PROTOCOL instance. + @param[in] ComponentNumber The Componen Number for chip select + @param[in] ByteCount Number of bytes in JedecId data portion = of the SPI cycle, the data size is 3 typically + @param[out] JedecId The Pointer to caller-allocated buffer c= ontaining JEDEC ID received + It is the caller's responsibility to mak= e sure Buffer is large enough for the total number of bytes read. + + @retval EFI_SUCCESS Command succeed. + @retval EFI_INVALID_PARAMETER The parameters specified are not valid. + @retval EFI_DEVICE_ERROR Device error, command aborts abnormally. +**/ +typedef +EFI_STATUS +(EFIAPI *PCH_SPI_FLASH_READ_JEDEC_ID) ( + IN PCH_SPI_PROTOCOL *This, + IN UINT8 ComponentNumber, + IN UINT32 ByteCount, + OUT UINT8 *JedecId + ); + +/** + Write the status register in the flash part. + + @param[in] This Pointer to the PCH_SPI_PROTOCOL instance. + @param[in] ByteCount Number of bytes in Status data portion o= f the SPI cycle, the data size is 1 typically + @param[in] StatusValue The Pointer to caller-allocated buffer c= ontaining the value of Status register writing + + @retval EFI_SUCCESS Command succeed. + @retval EFI_INVALID_PARAMETER The parameters specified are not valid. + @retval EFI_DEVICE_ERROR Device error, command aborts abnormally. +**/ +typedef +EFI_STATUS +(EFIAPI *PCH_SPI_FLASH_WRITE_STATUS) ( + IN PCH_SPI_PROTOCOL *This, + IN UINT32 ByteCount, + IN UINT8 *StatusValue + ); + +/** + Read status register in the flash part. + + @param[in] This Pointer to the PCH_SPI_PROTOCOL instance. + @param[in] ByteCount Number of bytes in Status data portion o= f the SPI cycle, the data size is 1 typically + @param[out] StatusValue The Pointer to caller-allocated buffer c= ontaining the value of Status register received. + + @retval EFI_SUCCESS Command succeed. + @retval EFI_INVALID_PARAMETER The parameters specified are not valid. + @retval EFI_DEVICE_ERROR Device error, command aborts abnormally. +**/ +typedef +EFI_STATUS +(EFIAPI *PCH_SPI_FLASH_READ_STATUS) ( + IN PCH_SPI_PROTOCOL *This, + IN UINT32 ByteCount, + OUT UINT8 *StatusValue + ); + +/** + Get the SPI region base and size, based on the enum type + + @param[in] This Pointer to the PCH_SPI_PROTOCOL instance. + @param[in] FlashRegionType The Flash Region type for for the base a= ddress which is listed in the Descriptor. + @param[out] BaseAddress The Flash Linear Address for the Region = 'n' Base + @param[out] RegionSize The size for the Region 'n' + + @retval EFI_SUCCESS Read success + @retval EFI_INVALID_PARAMETER Invalid region type given + @retval EFI_DEVICE_ERROR The region is not used +**/ +typedef +EFI_STATUS +(EFIAPI *PCH_SPI_GET_REGION_ADDRESS) ( + IN PCH_SPI_PROTOCOL *This, + IN FLASH_REGION_TYPE FlashRegionType, + OUT UINT32 *BaseAddress, + OUT UINT32 *RegionSize + ); + +/** + Read PCH Soft Strap Values + + @param[in] This Pointer to the PCH_SPI_PROTOCOL instance. + @param[in] SoftStrapAddr PCH Soft Strap address offset from FPSBA. + @param[in] ByteCount Number of bytes in SoftStrap data portio= n of the SPI cycle + @param[out] SoftStrapValue The Pointer to caller-allocated buffer c= ontaining PCH Soft Strap Value. + If the value of ByteCount is 0, the data= type of SoftStrapValue should be UINT16 and SoftStrapValue will be PCH Sof= t Strap Length + It is the caller's responsibility to mak= e sure Buffer is large enough for the total number of bytes read. + + @retval EFI_SUCCESS Command succeed. + @retval EFI_INVALID_PARAMETER The parameters specified are not valid. + @retval EFI_DEVICE_ERROR Device error, command aborts abnormally. +**/ +typedef +EFI_STATUS +(EFIAPI *PCH_SPI_READ_PCH_SOFTSTRAP) ( + IN PCH_SPI_PROTOCOL *This, + IN UINT32 SoftStrapAddr, + IN UINT32 ByteCount, + OUT VOID *SoftStrapValue + ); + +/** + Read CPU Soft Strap Values + + @param[in] This Pointer to the PCH_SPI_PROTOCOL instance. + @param[in] SoftStrapAddr CPU Soft Strap address offset from FCPUS= BA. + @param[in] ByteCount Number of bytes in SoftStrap data portio= n of the SPI cycle. + @param[out] SoftStrapValue The Pointer to caller-allocated buffer c= ontaining CPU Soft Strap Value. + If the value of ByteCount is 0, the data= type of SoftStrapValue should be UINT16 and SoftStrapValue will be PCH Sof= t Strap Length + It is the caller's responsibility to mak= e sure Buffer is large enough for the total number of bytes read. + + @retval EFI_SUCCESS Command succeed. + @retval EFI_INVALID_PARAMETER The parameters specified are not valid. + @retval EFI_DEVICE_ERROR Device error, command aborts abnormally. +**/ +typedef +EFI_STATUS +(EFIAPI *PCH_SPI_READ_CPU_SOFTSTRAP) ( + IN PCH_SPI_PROTOCOL *This, + IN UINT32 SoftStrapAddr, + IN UINT32 ByteCount, + OUT VOID *SoftStrapValue + ); + +/** + These protocols/PPI allows a platform module to perform SPI operations t= hrough the + Intel PCH SPI Host Controller Interface. +**/ +struct _PCH_SPI_PROTOCOL { + /** + This member specifies the revision of this structure. This field is us= ed to + indicate backwards compatible changes to the protocol. + **/ + UINT8 Revision; + PCH_SPI_FLASH_READ FlashRead; ///< Read data fro= m the flash part. + PCH_SPI_FLASH_WRITE FlashWrite; ///< Write data to= the flash part. Remark: Erase may be needed before write to the flash part. + PCH_SPI_FLASH_ERASE FlashErase; ///< Erase some ar= ea on the flash part. + PCH_SPI_FLASH_READ_SFDP FlashReadSfdp; ///< Read SFDP dat= a from the flash part. + PCH_SPI_FLASH_READ_JEDEC_ID FlashReadJedecId; ///< Read Jedec Id= from the flash part. + PCH_SPI_FLASH_WRITE_STATUS FlashWriteStatus; ///< Write the sta= tus register in the flash part. + PCH_SPI_FLASH_READ_STATUS FlashReadStatus; ///< Read status r= egister in the flash part. + PCH_SPI_GET_REGION_ADDRESS GetRegionAddress; ///< Get the SPI r= egion base and size + PCH_SPI_READ_PCH_SOFTSTRAP ReadPchSoftStrap; ///< Read PCH Soft= Strap Values + PCH_SPI_READ_CPU_SOFTSTRAP ReadCpuSoftStrap; ///< Read CPU Soft= Strap Values +}; + +/** + PCH SPI PPI/PROTOCOL revision number + + Revision 1: Initial version +**/ +#define PCH_SPI_SERVICES_REVISION 1 + +#endif diff --git a/Silicon/Intel/IntelSiliconPkg/IntelSiliconPkg.dec b/Silicon/In= tel/IntelSiliconPkg/IntelSiliconPkg.dec index 4a1eee3a5077..a2958b7eca23 100644 --- a/Silicon/Intel/IntelSiliconPkg/IntelSiliconPkg.dec +++ b/Silicon/Intel/IntelSiliconPkg/IntelSiliconPkg.dec @@ -74,6 +74,11 @@ [Ppis] gEdkiiVTdNullRootEntryTableGuid =3D { 0x3de0593f, 0x6e3e, 0x4542, { 0xa1= , 0xcb, 0xcb, 0xb2, 0xdb, 0xeb, 0xd8, 0xff } } =20 [Protocols] + ## Protocols that provide services for the Intel(R) PCH SPI Host Control= ler Compatibility Interface + # Include/Protocol/Spi.h + gPchSpiProtocolGuid =3D {0xc7d289, 0x1347, 0x4de0, {0xbf, 0x42, 0xe, 0= x26, 0x9d, 0xe, 0xf3, 0x4a}} + gPchSmmSpiProtocolGuid =3D {0x56521f06, 0xa62, 0x4822, {0x99, 0x63, 0xdf= , 0x1, 0x9d, 0x72, 0xc7, 0xe1}} + gEdkiiPlatformVTdPolicyProtocolGuid =3D { 0x3d17e448, 0x466, 0x4e20, { 0= x99, 0x9f, 0xb2, 0xe1, 0x34, 0x88, 0xee, 0x22 }} =20 ## Protocol for device security policy. --=20 2.28.0.windows.1 -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D- Groups.io Links: You receive all messages sent to this group. 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