From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received-SPF: Pass (sender SPF authorized) identity=mailfrom; client-ip=192.55.52.120; helo=mga04.intel.com; envelope-from=kelly.steele@intel.com; receiver=edk2-devel@lists.01.org Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ml01.01.org (Postfix) with ESMTPS id 0D4D6211546F9 for ; Fri, 21 Sep 2018 11:29:36 -0700 (PDT) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga006.jf.intel.com ([10.7.209.51]) by fmsmga104.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 21 Sep 2018 11:29:36 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.54,285,1534834800"; d="scan'208,217,223";a="76278381" Received: from orsmsx101.amr.corp.intel.com ([10.22.225.128]) by orsmga006.jf.intel.com with ESMTP; 21 Sep 2018 11:28:07 -0700 Received: from orsmsx115.amr.corp.intel.com (10.22.240.11) by ORSMSX101.amr.corp.intel.com (10.22.225.128) with Microsoft SMTP Server (TLS) id 14.3.319.2; Fri, 21 Sep 2018 11:28:07 -0700 Received: from orsmsx114.amr.corp.intel.com ([169.254.8.8]) by ORSMSX115.amr.corp.intel.com ([169.254.4.230]) with mapi id 14.03.0319.002; Fri, 21 Sep 2018 11:28:07 -0700 From: "Steele, Kelly" To: "edk2-devel@lists.01.org" CC: "Wei, David" , "Guo, Mang" Thread-Topic: [PATCH] [edk2-platforms/devel-IntelAtomProcessorE3900] Flag after GPIO init Thread-Index: AdRR2NVLh+6bvbyOQHuIyDkUYqn6NA== Date: Fri, 21 Sep 2018 18:28:05 +0000 Message-ID: Accept-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-titus-metadata-40: eyJDYXRlZ29yeUxhYmVscyI6IiIsIk1ldGFkYXRhIjp7Im5zIjoiaHR0cDpcL1wvd3d3LnRpdHVzLmNvbVwvbnNcL0ludGVsMyIsImlkIjoiM2ZjZTQxZjItYjliYi00YTI4LThiZGMtMDg2MjA0OWZlOTJlIiwicHJvcHMiOlt7Im4iOiJDVFBDbGFzc2lmaWNhdGlvbiIsInZhbHMiOlt7InZhbHVlIjoiQ1RQX05UIn1dfV19LCJTdWJqZWN0TGFiZWxzIjpbXSwiVE1DVmVyc2lvbiI6IjE3LjEwLjE4MDQuNDkiLCJUcnVzdGVkTGFiZWxIYXNoIjoibVg1WnVmdkxpZERFcjZBK3JkZHp4NFlwdytCUEdNNHNralh3Y0NVbHgzSmJOMzE0QmNPam5VSE5vdDMwcnl2dCJ9 x-ctpclassification: CTP_NT dlp-product: dlpe-windows dlp-version: 11.0.400.15 dlp-reaction: no-action x-originating-ip: [10.22.254.139] MIME-Version: 1.0 X-Content-Filtered-By: Mailman/MimeDel 2.1.29 Subject: [PATCH] [edk2-platforms/devel-IntelAtomProcessorE3900] Flag after GPIO init X-BeenThere: edk2-devel@lists.01.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: EDK II Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 21 Sep 2018 18:29:37 -0000 Content-Language: en-US Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable >>From b4b50a16977879f664fe93c1fd8355ac5df012c3 Mon Sep 17 00:00:00 2001 From: Kelly Steele Date: Fri, 21 Sep 2018 11:20:56 -0700 Subject: [PATCH] [edk2-platforms/devel-IntelAtomProcessorE3900] Flag after GPIO init Need to prevent modifying the SoC PADs after GPIO init in the I2C code so I added a PCD flag for this purpose. While in the I2C library, I cleaned it up. This still leaves a brief window from after GPIO init and when the flag gets set for the I2C library to modify the SoC I2C PADs. Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Kelly Steele --- .../PlatformPostMemPei/PlatformInit.c | 16 +- .../PlatformPostMemPei/PlatformPostMemPei.inf | 5 +- Silicon/BroxtonSoC/BroxtonSiPkg/BroxtonSiPkg.dec | 7 +- .../SouthCluster/Include/Library/I2cLib.h | 10 +- .../SouthCluster/Include/ScRegs/RegsI2c.h | 2 +- .../SouthCluster/Library/I2cLib/I2cLib.c | 277 +++++++++++++-----= --- .../SouthCluster/Library/I2cLib/I2cLib.h | 11 +- .../SouthCluster/Library/I2cLib/I2cLib.inf | 1 + 8 files changed, 202 insertions(+), 127 deletions(-) diff --git a/Platform/BroxtonPlatformPkg/Common/PlatformSettings/PlatformPo= stMemPei/PlatformInit.c b/Platform/BroxtonPlatformPkg/Common/PlatformSettin= gs/PlatformPostMemPei/PlatformInit.c index acaaebbfbb..eceecdf730 100644 --- a/Platform/BroxtonPlatformPkg/Common/PlatformSettings/PlatformPostMemPe= i/PlatformInit.c +++ b/Platform/BroxtonPlatformPkg/Common/PlatformSettings/PlatformPostMemPe= i/PlatformInit.c @@ -280,7 +280,7 @@ BXTPolicyInit ( PeiGetSectionFromFv (PeiLogoGuid, &Buffer, &Size); if (Buffer =3D=3D NULL) { - DEBUG (( DEBUG_ERROR, "Could not locate PeiLogo")); + DEBUG ((DEBUG_ERROR, "Could not locate PeiLogo")); } // @@ -290,7 +290,7 @@ BXTPolicyInit ( PeiGetSectionFromFv (VbtGuid, &Buffer, &Size); if (Buffer =3D=3D NULL) { - DEBUG (( DEBUG_ERROR, "Could not locate VBT")); + DEBUG ((DEBUG_ERROR, "Could not locate VBT")); } @@ -330,7 +330,7 @@ ConfigurePmicIMON ( StallCount =3D 0; while (StallCount < 1000) { - Data =3D MmioRead32 (MchBar + R_BIOS_MAILBOX_INTERFACE); + Data =3D MmioRead32 (MchBar + R_BIOS_MAILBOX_INTERFACE); if ((Data & BIT31) =3D=3D BIT31) { MicroSecondDelay (1); } else { @@ -355,7 +355,7 @@ ConfigurePmicIMON ( if ((PkgPwrSKU & 0x07FFF) >=3D 0x0903){ MmioWrite32 ( (MchBar + R_BIOS_MAILBOX_DATA), 0xe8330466); MmioWrite32 ( (MchBar + R_BIOS_MAILBOX_INTERFACE), 0x8000001d); - } else { + } else { MmioWrite32 ( (MchBar + R_BIOS_MAILBOX_DATA), 0xed3303b3); MmioWrite32 ( (MchBar + R_BIOS_MAILBOX_INTERFACE), 0x8000001d); } @@ -412,7 +412,7 @@ PlatformInitEntryPoint ( } PWM_Fan_Start (); - + ConfigurePmicIMON(); // @@ -422,7 +422,11 @@ PlatformInitEntryPoint ( if (BoardPostMemInitFunc !=3D NULL) { BoardPostMemInitFunc (PeiServices, PlatformInfo); } - // MultiPlatformInfoInit(PeiServices, PlatformInfo); + + // + // Set PCD flag to indicate that we have performed the GPIO initializati= on + // + PcdSetBool (PcdAfterGpioInitFlag, TRUE); // // Set the new boot mode diff --git a/Platform/BroxtonPlatformPkg/Common/PlatformSettings/PlatformPo= stMemPei/PlatformPostMemPei.inf b/Platform/BroxtonPlatformPkg/Common/Platfo= rmSettings/PlatformPostMemPei/PlatformPostMemPei.inf index c7c0f4dfe3..4a50131764 100644 --- a/Platform/BroxtonPlatformPkg/Common/PlatformSettings/PlatformPostMemPe= i/PlatformPostMemPei.inf +++ b/Platform/BroxtonPlatformPkg/Common/PlatformSettings/PlatformPostMemPe= i/PlatformPostMemPei.inf @@ -1,7 +1,7 @@ ## @file # Component description file for PlatformInit module. # -# Copyright (c) 1999 - 2017, Intel Corporation. All rights reserved.
+# Copyright (c) 1999 - 2018, Intel Corporation. All rights reserved.
# # This program and the accompanying materials # are licensed and made available under the terms and conditions of the BS= D License @@ -31,8 +31,8 @@ [Packages] MdePkg/MdePkg.dec - MdeModulePkg/MdeModulePkg.dec BroxtonPlatformPkg/PlatformPkg.dec + MdeModulePkg/MdeModulePkg.dec IntelFrameworkPkg/IntelFrameworkPkg.dec BroxtonSiPkg/BroxtonSiPkg.dec UefiCpuPkg/UefiCpuPkg.dec @@ -123,6 +123,7 @@ gPlatformModuleTokenSpaceGuid.PcdBoardPostMemInitFunc gPlatformModuleTokenSpaceGuid.PcdBoardVbtFileGuid gPlatformModuleTokenSpaceGuid.PcdOemLogoFileGuid + gSiPkgTokenSpaceGuid.PcdAfterGpioInitFlag [Depex] gDramPolicyPpiGuid diff --git a/Silicon/BroxtonSoC/BroxtonSiPkg/BroxtonSiPkg.dec b/Silicon/Bro= xtonSoC/BroxtonSiPkg/BroxtonSiPkg.dec index 05508a4c18..ee8124270f 100644 --- a/Silicon/BroxtonSoC/BroxtonSiPkg/BroxtonSiPkg.dec +++ b/Silicon/BroxtonSoC/BroxtonSiPkg/BroxtonSiPkg.dec @@ -5,7 +5,7 @@ # DSC and EDK II INF files to generate AutoGen.c and AutoGen.h files # for the EDK II build infrastructure. # -# Copyright (c) 2004 - 2017, Intel Corporation. All rights reserved.
+# Copyright (c) 2004 - 2018, Intel Corporation. All rights reserved.
# # This program and the accompanying materials # are licensed and made available under the terms and conditions of the BS= D License @@ -241,7 +241,7 @@ gInterruptConfigGuid =3D { 0x097dccd0, 0xf570, 0x41f6, = { 0x9d, 0xf0, 0x72, 0xe2, 0x5a, 0xbe, 0xd3, 0x98 } } gEfiBpdtLibBp1DataGuid =3D { 0x7a4ecf02, 0xa1cf, 0x4e42, = { 0xb6, 0x33, 0xfe, 0x95, 0x54, 0xbb, 0x60, 0xf8 } } gEfiBpdtLibBp2DataGuid =3D { 0x75b0886e, 0xcd6a, 0x469f, = { 0xae, 0x0b, 0x8c, 0xed, 0x90, 0x33, 0xd1, 0x99 } } - + gAcpiDmarTableFileGuid =3D { 0x6767abfe, 0x27d2, 0x41b3, = { 0xa0, 0x84, 0xb8, 0xa8, 0x98, 0x24, 0xd3, 0x5a } } [Includes.common] @@ -334,7 +334,8 @@ gEfiBxtTokenSpaceGuid.PcdSetCoreCount|0|UINT32|0x10000223 gEfiBxtTokenSpaceGuid.PcdVtdGfxBaseAddress|0xFED64000|UINT32|0x10000224 gSiPkgTokenSpaceGuid.PcdForceVolatileVariable|FALSE|BOOLEAN|0x30000012 - + gSiPkgTokenSpaceGuid.PcdAfterGpioInitFlag|FALSE|BOOLEAN|0x30000013 + ## I2S Audio Configuration ## Blue Tooth Render gEfiBxtTokenSpaceGuid.HdaEndpointBtRenderVirtualBusId|0x0F|UINT8|0x80000= 001 diff --git a/Silicon/BroxtonSoC/BroxtonSiPkg/SouthCluster/Include/Library/I= 2cLib.h b/Silicon/BroxtonSoC/BroxtonSiPkg/SouthCluster/Include/Library/I2cL= ib.h index 1c715d558e..8aa7e22fa3 100644 --- a/Silicon/BroxtonSoC/BroxtonSiPkg/SouthCluster/Include/Library/I2cLib.h +++ b/Silicon/BroxtonSoC/BroxtonSiPkg/SouthCluster/Include/Library/I2cLib.h @@ -28,7 +28,8 @@ #define I2C_ROUTINE_DELAY 10 #define INVALID_I2C_ADDRESS 0xFF #define MAX_I2C_ADDRESS 0x7F -#define MAX_I2C_BUS 7 +#define MAX_I2C_BUS 8 +#define I2C_SMBUS_BUS MAX_I2C_BUS //// @@ -43,6 +44,13 @@ typedef enum { //// +//// Externs +//// +extern BOOLEAN gI2cDebugFlag; +extern BOOLEAN gI2cQuietFlag; + + +//// //// Functions //// // diff --git a/Silicon/BroxtonSoC/BroxtonSiPkg/SouthCluster/Include/ScRegs/Re= gsI2c.h b/Silicon/BroxtonSoC/BroxtonSiPkg/SouthCluster/Include/ScRegs/RegsI= 2c.h index 8a7463b538..17107b80b2 100644 --- a/Silicon/BroxtonSoC/BroxtonSiPkg/SouthCluster/Include/ScRegs/RegsI2c.h +++ b/Silicon/BroxtonSoC/BroxtonSiPkg/SouthCluster/Include/ScRegs/RegsI2c.h @@ -1,7 +1,7 @@ /** @file Register names for I2C device. - Copyright (c) 2017, Intel Corporation. All rights reserved.
+ Copyright (c) 2017 - 2018, Intel Corporation. All rights reserved.
This program and the accompanying materials are licensed and made available under the terms and conditions of the BS= D License diff --git a/Silicon/BroxtonSoC/BroxtonSiPkg/SouthCluster/Library/I2cLib/I2= cLib.c b/Silicon/BroxtonSoC/BroxtonSiPkg/SouthCluster/Library/I2cLib/I2cLib= .c index b7ecaca302..5691694d81 100644 --- a/Silicon/BroxtonSoC/BroxtonSiPkg/SouthCluster/Library/I2cLib/I2cLib.c +++ b/Silicon/BroxtonSoC/BroxtonSiPkg/SouthCluster/Library/I2cLib/I2cLib.c @@ -18,7 +18,7 @@ // // List of I2C controllers // -I2C_LPSS_PCI_DEVICE_INFO mI2cLpssPciDeviceList[] =3D { +I2C_LPSS_PCI_DEVICE_INFO mI2cLpssPciDeviceList[MAX_I2C_BUS + 1] =3D { {0, DEFAULT_PCI_BUS_NUMBER_SC, PCI_DEVICE_NUMBER_LPSS_I2C0, PCI_FUNCTI= ON_NUMBER_LPSS_I2C0, LPSS_I2C0_TMP_BAR0 + (LPSS_I2C_TMP_BAR0_DELTA*0), LPSS= _I2C0_TMP_BAR0 + (LPSS_I2C_TMP_BAR0_DELTA*0) + LPSS_I2C_TMP_BAR1_OFFSET}, {0, DEFAULT_PCI_BUS_NUMBER_SC, PCI_DEVICE_NUMBER_LPSS_I2C0, PCI_FUNCTI= ON_NUMBER_LPSS_I2C1, LPSS_I2C0_TMP_BAR0 + (LPSS_I2C_TMP_BAR0_DELTA*1), LPSS= _I2C0_TMP_BAR0 + (LPSS_I2C_TMP_BAR0_DELTA*1) + LPSS_I2C_TMP_BAR1_OFFSET}, {0, DEFAULT_PCI_BUS_NUMBER_SC, PCI_DEVICE_NUMBER_LPSS_I2C0, PCI_FUNCTI= ON_NUMBER_LPSS_I2C2, LPSS_I2C0_TMP_BAR0 + (LPSS_I2C_TMP_BAR0_DELTA*2), LPSS= _I2C0_TMP_BAR0 + (LPSS_I2C_TMP_BAR0_DELTA*2) + LPSS_I2C_TMP_BAR1_OFFSET}, @@ -26,6 +26,7 @@ I2C_LPSS_PCI_DEVICE_INFO mI2cLpssPciDeviceList[] =3D { {0, DEFAULT_PCI_BUS_NUMBER_SC, PCI_DEVICE_NUMBER_LPSS_I2C1, PCI_FUNCTI= ON_NUMBER_LPSS_I2C4, LPSS_I2C0_TMP_BAR0 + (LPSS_I2C_TMP_BAR0_DELTA*4), LPSS= _I2C0_TMP_BAR0 + (LPSS_I2C_TMP_BAR0_DELTA*4) + LPSS_I2C_TMP_BAR1_OFFSET}, {0, DEFAULT_PCI_BUS_NUMBER_SC, PCI_DEVICE_NUMBER_LPSS_I2C1, PCI_FUNCTI= ON_NUMBER_LPSS_I2C5, LPSS_I2C0_TMP_BAR0 + (LPSS_I2C_TMP_BAR0_DELTA*5), LPSS= _I2C0_TMP_BAR0 + (LPSS_I2C_TMP_BAR0_DELTA*5) + LPSS_I2C_TMP_BAR1_OFFSET}, {0, DEFAULT_PCI_BUS_NUMBER_SC, PCI_DEVICE_NUMBER_LPSS_I2C1, PCI_FUNCTI= ON_NUMBER_LPSS_I2C6, LPSS_I2C0_TMP_BAR0 + (LPSS_I2C_TMP_BAR0_DELTA*6), LPSS= _I2C0_TMP_BAR0 + (LPSS_I2C_TMP_BAR0_DELTA*6) + LPSS_I2C_TMP_BAR1_OFFSET}, + {0, DEFAULT_PCI_BUS_NUMBER_SC, PCI_DEVICE_NUMBER_LPSS_I2C1, PCI_FUNCTI= ON_NUMBER_LPSS_I2C7, LPSS_I2C0_TMP_BAR0 + (LPSS_I2C_TMP_BAR0_DELTA*7), LPSS= _I2C0_TMP_BAR0 + (LPSS_I2C_TMP_BAR0_DELTA*7) + LPSS_I2C_TMP_BAR1_OFFSET}, {0, DEFAULT_PCI_BUS_NUMBER_SC, PCI_DEVICE_NUMBER_LPSS_I2C1, PCI_FUNCTI= ON_NUMBER_LPSS_I2C7, LPSS_I2C0_TMP_BAR0 + (LPSS_I2C_TMP_BAR0_DELTA*7), LPSS= _I2C0_TMP_BAR0 + (LPSS_I2C_TMP_BAR0_DELTA*7) + LPSS_I2C_TMP_BAR1_OFFSET} }; #define I2C_LPSS_PCI_DEVICE_NUMBER (sizeof (mI2cLpssPciDeviceList) / sizeo= f (I2C_LPSS_PCI_DEVICE_INFO)) @@ -33,7 +34,7 @@ I2C_LPSS_PCI_DEVICE_INFO mI2cLpssPciDeviceList[] =3D { // // List of I2C controller clock values // -LPSS_I2C_CLOCK_SCL_INFO mLPSS_I2C_CLOCK_SCL_INFO[] =3D { +LPSS_I2C_CLOCK_SCL_INFO mLPSS_I2C_CLOCK_SCL_INFO[MAX_I2C_BUS + 1] =3D { {0x244, 0x2D0, 0x64, 0xC8, 0x06, 0x13}, {0x244, 0x2D0, 0x64, 0xC8, 0x06, 0x13}, {0x244, 0x2D0, 0x64, 0xC8, 0x06, 0x13}, @@ -41,6 +42,7 @@ LPSS_I2C_CLOCK_SCL_INFO mLPSS_I2C_CLOCK_SCL_INFO[] =3D { {0x244, 0x2DA, 0x1E, 0x50, 0x06, 0x13}, {0x244, 0x2D0, 0x69, 0xC8, 0x06, 0x13}, {0x244, 0x2D0, 0x69, 0xC8, 0x06, 0x13}, + {0x244, 0x2D0, 0x70, 0xC8, 0x06, 0x13}, {0x244, 0x2D0, 0x70, 0xC8, 0x06, 0x13} }; #define LPSS_I2C_CLOCK_SCL_INFO_NUMBER (sizeof (mLPSS_I2C_CLOCK_SCL_INFO) = / sizeof (LPSS_I2C_CLOCK_SCL_INFO)) @@ -48,26 +50,53 @@ LPSS_I2C_CLOCK_SCL_INFO mLPSS_I2C_CLOCK_SCL_INFO[] =3D= { // // List of I2C controller PAD settings // -BXT_GPIO_PAD_INIT mI2C_LPSS_PAD_INFO[] =3D { - BXT_GPIO_PAD_CONF (L"GPIO_124 LPSS_I2C0_SDA", M1, NA, NA, NA, NA, Wake_D= isabled, P_20K_H, NA, NA, D1RxDRx1I, EnPu, GPIO_PADBAR + 0x0000, WEST), +BXT_GPIO_PAD_INIT mI2C_LPSS_PAD_INFO[(MAX_I2C_BUS + 1) * 2] =3D { + BXT_GPIO_PAD_CONF (L"GPIO_124 LPSS_I2C0_SDA", M1, NA, NA, NA, NA, Wake_D= isabled, P_20K_H, NA, NA, D1RxDRx1I, EnPu, GPIO_PADBAR + 0x0000, WEST), = // LPSS I2C0 BXT_GPIO_PAD_CONF (L"GPIO_125 LPSS_I2C0_SCL", M1, NA, NA, NA, NA, Wake_D= isabled, P_20K_H, NA, NA, D1RxDRx1I, EnPu, GPIO_PADBAR + 0x0008, WEST), - BXT_GPIO_PAD_CONF (L"GPIO_126 LPSS_I2C1_SDA", M1, NA, NA, NA, NA, Wake_D= isabled, P_20K_H, NA, NA, D1RxDRx1I, EnPu, GPIO_PADBAR + 0x0010, WEST), + BXT_GPIO_PAD_CONF (L"GPIO_126 LPSS_I2C1_SDA", M1, NA, NA, NA, NA, Wake_D= isabled, P_20K_H, NA, NA, D1RxDRx1I, EnPu, GPIO_PADBAR + 0x0010, WEST), = // LPSS I2C1 BXT_GPIO_PAD_CONF (L"GPIO_127 LPSS_I2C1_SCL", M1, NA, NA, NA, NA, Wake_D= isabled, P_20K_H, NA, NA, D1RxDRx1I, EnPu, GPIO_PADBAR + 0x0018, WEST), - BXT_GPIO_PAD_CONF (L"GPIO_128 LPSS_I2C2_SDA", M1, NA, NA, NA, NA, Wake_D= isabled, P_20K_H, NA, NA, D1RxDRx1I, EnPu, GPIO_PADBAR + 0x0020, WEST), + BXT_GPIO_PAD_CONF (L"GPIO_128 LPSS_I2C2_SDA", M1, NA, NA, NA, NA, Wake_D= isabled, P_20K_H, NA, NA, D1RxDRx1I, EnPu, GPIO_PADBAR + 0x0020, WEST), = // LPSS I2C2 BXT_GPIO_PAD_CONF (L"GPIO_129 LPSS_I2C2_SCL", M1, NA, NA, NA, NA, Wake_D= isabled, P_20K_H, NA, NA, D1RxDRx1I, EnPu, GPIO_PADBAR + 0x0028, WEST), - BXT_GPIO_PAD_CONF (L"GPIO_130 LPSS_I2C3_SDA", M1, NA, NA, NA, NA, Wake_D= isabled, P_20K_H, NA, NA, D1RxDRx1I, EnPu, GPIO_PADBAR + 0x0030, WEST), + BXT_GPIO_PAD_CONF (L"GPIO_130 LPSS_I2C3_SDA", M1, NA, NA, NA, NA, Wake_D= isabled, P_20K_H, NA, NA, D1RxDRx1I, EnPu, GPIO_PADBAR + 0x0030, WEST), = // LPSS I2C3 BXT_GPIO_PAD_CONF (L"GPIO_131 LPSS_I2C3_SCL", M1, NA, NA, NA, NA, Wake_D= isabled, P_20K_H, NA, NA, D1RxDRx1I, EnPu, GPIO_PADBAR + 0x0038, WEST), - BXT_GPIO_PAD_CONF (L"GPIO_132 LPSS_I2C4_SDA", M1, NA, NA, NA, NA, Wake_D= isabled, P_20K_H, NA, NA, D1RxDRx1I, EnPu, GPIO_PADBAR + 0x0040, WEST), + BXT_GPIO_PAD_CONF (L"GPIO_132 LPSS_I2C4_SDA", M1, NA, NA, NA, NA, Wake_D= isabled, P_20K_H, NA, NA, D1RxDRx1I, EnPu, GPIO_PADBAR + 0x0040, WEST), = // LPSS I2C4 BXT_GPIO_PAD_CONF (L"GPIO_133 LPSS_I2C4_SCL", M1, NA, NA, NA, NA, Wake_D= isabled, P_20K_H, NA, NA, D1RxDRx1I, EnPu, GPIO_PADBAR + 0x0048, WEST), - BXT_GPIO_PAD_CONF (L"GPIO_134 LPSS_I2C5_SDA", M1, NA, NA, NA, NA, Wake_D= isabled, P_20K_H, NA, NA, D1RxDRx1I, EnPu, GPIO_PADBAR + 0x0050, WEST), + BXT_GPIO_PAD_CONF (L"GPIO_134 LPSS_I2C5_SDA", M1, NA, NA, NA, NA, Wake_D= isabled, P_20K_H, NA, NA, D1RxDRx1I, EnPu, GPIO_PADBAR + 0x0050, WEST), = // LPSS I2C5 BXT_GPIO_PAD_CONF (L"GPIO_135 LPSS_I2C5_SCL", M1, NA, NA, NA, NA, Wake_D= isabled, P_20K_H, NA, NA, D1RxDRx1I, EnPu, GPIO_PADBAR + 0x0058, WEST), - BXT_GPIO_PAD_CONF (L"GPIO_136 LPSS_I2C6_SDA", M1, NA, NA, NA, NA, Wake_D= isabled, P_20K_H, NA, NA, D1RxDRx1I, EnPu, GPIO_PADBAR + 0x0060, WEST), + BXT_GPIO_PAD_CONF (L"GPIO_136 LPSS_I2C6_SDA", M1, NA, NA, NA, NA, Wake_D= isabled, P_20K_H, NA, NA, D1RxDRx1I, EnPu, GPIO_PADBAR + 0x0060, WEST), = // LPSS I2C6 BXT_GPIO_PAD_CONF (L"GPIO_137 LPSS_I2C6_SCL", M1, NA, NA, NA, NA, Wake_D= isabled, P_20K_H, NA, NA, D1RxDRx1I, EnPu, GPIO_PADBAR + 0x0068, WEST), - BXT_GPIO_PAD_CONF (L"GPIO_138 LPSS_I2C7_SDA", M1, NA, NA, NA, NA, Wake_D= isabled, P_20K_H, NA, NA, D0RxDRx0I, EnPu, GPIO_PADBAR + 0x0070, WEST), - BXT_GPIO_PAD_CONF (L"GPIO_139 LPSS_I2C7_SCL", M1, NA, NA, NA, NA, Wake_D= isabled, P_20K_H, NA, NA, D0RxDRx0I, EnPu, GPIO_PADBAR + 0x0078, WEST) + BXT_GPIO_PAD_CONF (L"GPIO_138 LPSS_I2C7_SDA", M1, NA, NA, NA, NA, Wake_D= isabled, P_20K_H, NA, NA, D0RxDRx0I, EnPu, GPIO_PADBAR + 0x0070, WEST), = // LPSS I2C7 + BXT_GPIO_PAD_CONF (L"GPIO_139 LPSS_I2C7_SCL", M1, NA, NA, NA, NA, Wake_D= isabled, P_20K_H, NA, NA, D0RxDRx0I, EnPu, GPIO_PADBAR + 0x0078, WEST), + BXT_GPIO_PAD_CONF (L"SMB_CLK", M2, NA, NA, NA, NA, Wake_D= isabled, P_20K_H, NA, NA, D1RxDRx1I, EnPu, GPIO_PADBAR + 0x0100, SOUTHWEST)= , // SMB_CLK --> LPSS I2C7 + BXT_GPIO_PAD_CONF (L"SMB_DATA", M2, NA, NA, NA, NA, Wake_D= isabled, P_20K_H, NA, NA, D1RxDRx1I, EnPu, GPIO_PADBAR + 0x0108, SOUTHWEST) }; +LPSS_I2C_GPIO_MODE mModeAllowed[(MAX_I2C_BUS + 1) * 2] =3D { +// Offset M1 M2 +//=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D + {W_GPIO_124, TRUE, FALSE}, // LPSS I2C0 SDA + {W_GPIO_125, TRUE, FALSE}, // LPSS I2C0 SCL + {W_GPIO_126, TRUE, FALSE}, // LPSS I2C1 SDA + {W_GPIO_127, TRUE, FALSE}, // LPSS I2C1 SCL + {W_GPIO_128, TRUE, FALSE}, // LPSS I2C2 SDA + {W_GPIO_129, TRUE, FALSE}, // LPSS I2C2 SCL + {W_GPIO_130, TRUE, FALSE}, // LPSS I2C3 SDA + {W_GPIO_131, TRUE, FALSE}, // LPSS I2C3 SCL + {W_GPIO_132, TRUE, FALSE}, // LPSS I2C4 SDA + {W_GPIO_133, TRUE, FALSE}, // LPSS I2C4 SCL + {W_GPIO_134, TRUE, TRUE}, // LPSS I2C5 SDA + {W_GPIO_135, TRUE, TRUE}, // LPSS I2C5 SCL + {W_GPIO_136, TRUE, TRUE}, // LPSS I2C6 SDA + {W_GPIO_137, TRUE, TRUE}, // LPSS I2C6 SCL + {W_GPIO_138, TRUE, TRUE}, // LPSS I2C7 SDA + {W_GPIO_139, TRUE, TRUE}, // LPSS I2C7 SCL + {SW_SMB_CLK, FALSE, TRUE}, // SMBUS SCL + {SW_SMB_DATA, FALSE, TRUE} // SMBUS SDA +}; +#define LPSS_I2C_GPIO_MODE_NUMBER (sizeof (mModeAllowed) / sizeof (LPSS_I= 2C_GPIO_MODE)) + BOOLEAN gI2cDebugFlag =3D FALSE; +BOOLEAN gI2cQuietFlag =3D FALSE; //// //// Internal I2C functions @@ -135,7 +164,7 @@ I2cDisable ( Exit: if (EFI_ERROR (Status)) { - DEBUG ((DEBUG_ERROR, "%a (#%4d) - Ending with %r\n", __FUNCTION__, __L= INE__, Status)); + if (!gI2cQuietFlag) DEBUG ((DEBUG_ERROR, "%a (#%4d) - Ending with %r\n= ", __FUNCTION__, __LINE__, Status)); } return Status; } @@ -177,7 +206,7 @@ I2cEnable ( Exit: if (EFI_ERROR (Status)) { - DEBUG ((DEBUG_ERROR, "%a (#%4d) - Ending with %r\n", __FUNCTION__, __L= INE__, Status)); + if (!gI2cQuietFlag) DEBUG ((DEBUG_ERROR, "%a (#%4d) - Ending with %r\n= ", __FUNCTION__, __LINE__, Status)); } return Status; } @@ -290,19 +319,39 @@ I2cGetTxFifo ( } EFI_STATUS +I2cVerifyPad ( + IN UINT32 PadOffset + ) +{ + UINT8 index; + BXT_CONF_PAD0 padConfg0; + EFI_STATUS Status; + + if (gI2cDebugFlag && !gI2cQuietFlag) DEBUG ((DEBUG_INFO, "%a (#%4d) - Ve= rifying pad 0x%08x...\n", __FUNCTION__, __LINE__, PadOffset)); + + Status =3D EFI_UNSUPPORTED; + for (index =3D 0; index < LPSS_I2C_GPIO_MODE_NUMBER; index++) { + if (PadOffset =3D=3D mModeAllowed[index].Offset) { + padConfg0.padCnf0 =3D GpioPadRead (PadOffset + BXT_GPIO_PAD_CONF0_OF= FSET); + if ((mModeAllowed[index].Mode1Flag && (padConfg0.r.PMode =3D=3D M1))= || (mModeAllowed[index].Mode2Flag && (padConfg0.r.PMode =3D=3D M2))) { + Status =3D EFI_SUCCESS; + } + } + } + if (gI2cDebugFlag && !gI2cQuietFlag) DEBUG ((DEBUG_INFO, "%a (#%4d) - Re= turning --> %r\n", __FUNCTION__, __LINE__, Status)); + return Status; +} + +EFI_STATUS I2cProgramPad ( IN UINT8 Bus ) { + UINT32 CommAndOffset; UINT8 index; EFI_STATUS Status; - if (gI2cDebugFlag) DEBUG ((DEBUG_INFO, "%a (#%4d) - Programming PADs for= bus #%d\n", __FUNCTION__, __LINE__, Bus)); - - // - // Initialize variables - // - Status =3D EFI_SUCCESS; + if (gI2cDebugFlag && !gI2cQuietFlag) DEBUG ((DEBUG_INFO, "%a (#%4d) - Pr= ogramming PADs for bus #%d\n", __FUNCTION__, __LINE__, Bus)); // // Sanity checks @@ -316,8 +365,15 @@ I2cProgramPad ( // Program SDA/SCL // for (index =3D 0; index < 2; index++) { - if (gI2cDebugFlag) DEBUG ((DEBUG_INFO, "%a (#%4d) - Programming PAD %s= \n", __FUNCTION__, __LINE__, mI2C_LPSS_PAD_INFO[(Bus * 2) + index].pad_name= )); - GpioPadConfigTable (1, &mI2C_LPSS_PAD_INFO[(Bus * 2) + index]); + CommAndOffset =3D (((UINT32) mI2C_LPSS_PAD_INFO[(Bus * 2) + index].Com= munity) << 16) + mI2C_LPSS_PAD_INFO[(Bus * 2) + index].MMIO_ADDRESS; + Status =3D I2cVerifyPad (CommAndOffset); + if (EFI_ERROR (Status)) { + if (! PcdGetBool (PcdAfterGpioInitFlag)) { + if (gI2cDebugFlag && !gI2cQuietFlag) DEBUG ((DEBUG_INFO, "%a (#%4d= ) - Programming PAD %s\n", __FUNCTION__, __LINE__, mI2C_LPSS_PAD_INFO[(Bus = * 2) + index].pad_name)); + GpioPadConfigTable (1, &mI2C_LPSS_PAD_INFO[(Bus * 2) + index]); + Status =3D EFI_SUCCESS; + } + } } // @@ -359,47 +415,47 @@ I2cSetBusFrequency ( // Status =3D EFI_SUCCESS; - if (gI2cDebugFlag) DEBUG ((DEBUG_INFO, "%a (#%4d) - I2cBusFrequencySet b= us: %d\n", __FUNCTION__, __LINE__, Bus)); + if (gI2cDebugFlag && !gI2cQuietFlag) DEBUG ((DEBUG_INFO, "%a (#%4d) - I2= cBusFrequencySet bus: %d\n", __FUNCTION__, __LINE__, Bus)); ASSERT ((Bus < LPSS_I2C_CLOCK_SCL_INFO_NUMBER)); // // Set the 100 KHz clock divider according to SV result and I2C spec // MmioWrite32 (I2cBaseAddress + R_IC_SS_SCL_HCNT, (UINT16) mLPSS_I2C_CLOCK= _SCL_INFO[Bus].SS_SCL_HCNT); MmioWrite32 (I2cBaseAddress + R_IC_SS_SCL_LCNT, (UINT16) mLPSS_I2C_CLOCK= _SCL_INFO[Bus].SS_SCL_LCNT); - if (gI2cDebugFlag) DEBUG ((DEBUG_INFO, "%a (#%4d) - I2cBusFrequencySet R= _IC_SS_SCL_HCNT: 0x%08X, R_IC_SS_SCL_LCNT: 0x%08X\r\n", - __FUNCTION__, - __LINE__, - MmioRead32 (I2cBaseAddress + R_IC_SS_SCL_HCNT), - MmioRead32 (I2cBaseAddress + R_IC_SS_SCL_LCNT))); + if (gI2cDebugFlag && !gI2cQuietFlag) DEBUG ((DEBUG_INFO, "%a (#%4d) - I2= cBusFrequencySet R_IC_SS_SCL_HCNT: 0x%08X, R_IC_SS_SCL_LCNT: 0x%08X\r\n", + __FUNCTION__, + __LINE__, + MmioRead32 (I2cBaseAddress = + R_IC_SS_SCL_HCNT), + MmioRead32 (I2cBaseAddress = + R_IC_SS_SCL_LCNT))); // // Set the 400 KHz clock divider according to SV result and I2C spec // MmioWrite32 (I2cBaseAddress + R_IC_FS_SCL_HCNT, (UINT16) mLPSS_I2C_CLOCK= _SCL_INFO[Bus].FS_SCL_HCNT); MmioWrite32 (I2cBaseAddress + R_IC_FS_SCL_LCNT, (UINT16) mLPSS_I2C_CLOCK= _SCL_INFO[Bus].FS_SCL_LCNT); - if (gI2cDebugFlag) DEBUG ((DEBUG_INFO, "%a (#%4d) - I2cBusFrequencySet R= _IC_FS_SCL_HCNT: 0x%08X, R_IC_FS_SCL_LCNT: 0x%08X\r\n", - __FUNCTION__, - __LINE__, - MmioRead32 (I2cBaseAddress + R_IC_FS_SCL_HCNT), - MmioRead32 (I2cBaseAddress + R_IC_FS_SCL_LCNT))); + if (gI2cDebugFlag && !gI2cQuietFlag) DEBUG ((DEBUG_INFO, "%a (#%4d) - I2= cBusFrequencySet R_IC_FS_SCL_HCNT: 0x%08X, R_IC_FS_SCL_LCNT: 0x%08X\r\n", + __FUNCTION__, + __LINE__, + MmioRead32 (I2cBaseAddress = + R_IC_FS_SCL_HCNT), + MmioRead32 (I2cBaseAddress = + R_IC_FS_SCL_LCNT))); // // Set the 3.4MHz clock divider according to SV result and I2C spec // MmioWrite32 (I2cBaseAddress + R_IC_HS_SCL_HCNT, (UINT16)mLPSS_I2C_CLOCK_= SCL_INFO[Bus].HS_SCL_HCNT); MmioWrite32 (I2cBaseAddress + R_IC_HS_SCL_LCNT, (UINT16)mLPSS_I2C_CLOCK_= SCL_INFO[Bus].HS_SCL_LCNT); - if (gI2cDebugFlag) DEBUG ((DEBUG_INFO, "%a (#%4d) - I2cBusFrequencySet R= _IC_HS_SCL_HCNT: 0x%08X, R_IC_HS_SCL_LCNT: 0x%08X\r\n", - __FUNCTION__, - __LINE__, - MmioRead32 (I2cBaseAddress + R_IC_HS_SCL_HCNT), - MmioRead32 (I2cBaseAddress + R_IC_HS_SCL_LCNT))); + if (gI2cDebugFlag && !gI2cQuietFlag) DEBUG ((DEBUG_INFO, "%a (#%4d) - I2= cBusFrequencySet R_IC_HS_SCL_HCNT: 0x%08X, R_IC_HS_SCL_LCNT: 0x%08X\r\n", + __FUNCTION__, + __LINE__, + MmioRead32 (I2cBaseAddress = + R_IC_HS_SCL_HCNT), + MmioRead32 (I2cBaseAddress = + R_IC_HS_SCL_LCNT))); // // Set hold register // MmioWrite32 (I2cBaseAddress + R_IC_SDA_HOLD, (UINT16) 0x06); - if (gI2cDebugFlag) DEBUG ((DEBUG_INFO, "%a (#%4d) - I2cBusFrequencySet R= _IC_SDA_HOLD: 0x%08X\r\n", __FUNCTION__, __LINE__, MmioRead32 (I2cBaseAddre= ss + R_IC_SDA_HOLD))); + if (gI2cDebugFlag && !gI2cQuietFlag) DEBUG ((DEBUG_INFO, "%a (#%4d) - I2= cBusFrequencySet R_IC_SDA_HOLD: 0x%08X\r\n", __FUNCTION__, __LINE__, MmioRe= ad32 (I2cBaseAddress + R_IC_SDA_HOLD))); if (EFI_ERROR (Status)) { - DEBUG ((DEBUG_ERROR, "%a (#%4d) - Ending with %r\n", __FUNCTION__, __L= INE__, Status)); + if (!gI2cQuietFlag) DEBUG ((DEBUG_ERROR, "%a (#%4d) - Ending with %r\n= ", __FUNCTION__, __LINE__, Status)); } return Status; } @@ -444,7 +500,10 @@ ProgramPciLpssI2C ( // // Set PADs to I2C mode // - I2cProgramPad (Bus); + Status =3D I2cProgramPad (Bus); + if (EFI_ERROR (Status)) { + goto Exit; + } // // Check PMC disable register @@ -453,28 +512,28 @@ ProgramPciLpssI2C ( Data32 =3D MmioRead32 (PmcBase + R_PMC_FUNC_DIS); if (Data32 =3D=3D 0xFFFFFFFF) { - if (gI2cDebugFlag) DEBUG ((DEBUG_INFO, "%a (#%4d) - ProgramPciLpssI2C(= ) PMC disable register not available. [%08x]\n", __FUNCTION__, __LINE__, PM= C_BASE_ADDRESS)); + if (gI2cDebugFlag && !gI2cQuietFlag) DEBUG ((DEBUG_INFO, "%a (#%4d) - = ProgramPciLpssI2C() PMC disable register not available. [%08x]\n", __FUNCTI= ON__, __LINE__, PMC_BASE_ADDRESS)); } else { if ((Data32 & I2cPortDisable[Bus]) !=3D 0) { // This I2C port is disabled. Turn it on. Data32 &=3D ~I2cPortDisable[Bus]; MmioWrite32 (PmcBase + R_PMC_FUNC_DIS, Data32); - if (gI2cDebugFlag) DEBUG ((DEBUG_INFO, "%a (#%4d) - ProgramPciLpssI2= C() enable I2C controller #%x\n", __FUNCTION__, __LINE__, Bus)); + if (gI2cDebugFlag && !gI2cQuietFlag) DEBUG ((DEBUG_INFO, "%a (#%4d) = - ProgramPciLpssI2C() enable I2C controller #%x\n", __FUNCTION__, __LINE__,= Bus)); // Make sure it took. if (Data32 !=3D MmioRead32 (PmcBase + R_PMC_FUNC_DIS)) { - DEBUG ((DEBUG_ERROR, "%a (#%4d) - ProgramPciLpssI2C() failed to en= able I2C controller #%x [%08x:%08x]\n", - __FUNCTION__, - __LINE__, - Bus, - Data32, - MmioRead32 (PmcBase + R_PMC_FUNC_DIS))); + if (!gI2cQuietFlag) DEBUG ((DEBUG_ERROR, "%a (#%4d) - ProgramPciLp= ssI2C() failed to enable I2C controller #%x [%08x:%08x]\n", + __FUNCTION__, + __LINE__, + Bus, + Data32, + MmioRead32 (PmcBase + R_PMC_FUNC_DIS))= ); Status =3D EFI_DEVICE_ERROR; goto Exit; } } } - if (gI2cDebugFlag) DEBUG ((DEBUG_INFO, "%a (#%4d) - ProgramPciLpssI2C()-= -----------BusNo=3D%x\n", __FUNCTION__, __LINE__, Bus)); + if (gI2cDebugFlag && !gI2cQuietFlag) DEBUG ((DEBUG_INFO, "%a (#%4d) - Pr= ogramPciLpssI2C()------------BusNo=3D%x\n", __FUNCTION__, __LINE__, Bus)); PciMmBase =3D MmPciAddress ( mI2cLpssPciDeviceList[Bus].Segment, @@ -483,12 +542,12 @@ ProgramPciLpssI2C ( mI2cLpssPciDeviceList[Bus].FunctionNum, 0 ); - if (gI2cDebugFlag) DEBUG ((DEBUG_INFO, "%a (#%4d) - Program Pci Lpss I2C= Device %x %x %x PciMmBase:%x\n", - __FUNCTION__, - __LINE__, - mI2cLpssPciDeviceList[Bus].BusNum, - mI2cLpssPciDeviceList[Bus].DeviceNum, - mI2cLpssPciDeviceList[Bus].FunctionNum, PciMmBase))= ; + if (gI2cDebugFlag && !gI2cQuietFlag) DEBUG ((DEBUG_INFO, "%a (#%4d) - Pr= ogram Pci Lpss I2C Device %x %x %x PciMmBase:%x\n", + __FUNCTION__, + __LINE__, + mI2cLpssPciDeviceList[Bus].= BusNum, + mI2cLpssPciDeviceList[Bus].= DeviceNum, + mI2cLpssPciDeviceList[Bus].= FunctionNum, PciMmBase)); // // Check if device present @@ -504,11 +563,11 @@ ProgramPciLpssI2C ( if ((I2CBar0 !=3D (UINT32) mI2cLpssPciDeviceList[Bus].Bar0) || (I2CB= ar1 !=3D (UINT32) mI2cLpssPciDeviceList[Bus].Bar1)) { mI2cLpssPciDeviceList[Bus].Bar0 =3D MmioRead32 (PciMmBase + R_LPSS= _IO_BAR) & B_LPSS_IO_BAR_BA; // get the address allocated. mI2cLpssPciDeviceList[Bus].Bar1 =3D MmioRead32 (PciMmBase + R_LPSS= _IO_BAR1) & B_LPSS_IO_BAR_BA; - if (gI2cDebugFlag) DEBUG ((DEBUG_INFO, "%a (#%4d) - Get bar0:0x%x = bar1:0x%x\n", - __FUNCTION__, - __LINE__, - mI2cLpssPciDeviceList[Bus].Bar0, - mI2cLpssPciDeviceList[Bus].Bar1)); + if (gI2cDebugFlag && !gI2cQuietFlag) DEBUG ((DEBUG_INFO, "%a (#%4d= ) - Get bar0:0x%x bar1:0x%x\n", + __FUNCTION__, + __LINE__, + mI2cLpssPciDeviceList= [Bus].Bar0, + mI2cLpssPciDeviceList= [Bus].Bar1)); } } else { // @@ -533,16 +592,16 @@ ProgramPciLpssI2C ( // MmioWrite32 (mI2cLpssPciDeviceList[Bus].Bar0 + R_LPSS_IO_MEM_RESETS, B= _LPSS_IO_MEM_HC_RESET_REL | B_LPSS_IO_MEM_iDMA_RESET_REL); - if (gI2cDebugFlag) DEBUG ((DEBUG_INFO, "%a (#%4d) - ProgramPciLpssI2C(= ) Programmed()\n", __FUNCTION__, __LINE__)); + if (gI2cDebugFlag && !gI2cQuietFlag) DEBUG ((DEBUG_INFO, "%a (#%4d) - = ProgramPciLpssI2C() Programmed()\n", __FUNCTION__, __LINE__)); Status =3D EFI_SUCCESS; goto Exit; } else { - DEBUG ((DEBUG_ERROR, "%a (#%4d) - Pci Lpss I2C Device %x %x %x does = not exist!\n", - __FUNCTION__, - __LINE__, - mI2cLpssPciDeviceList[Bus].BusNum, - mI2cLpssPciDeviceList[Bus].DeviceNum, - mI2cLpssPciDeviceList[Bus].FunctionNum)); + if (!gI2cQuietFlag) DEBUG ((DEBUG_ERROR, "%a (#%4d) - Pci Lpss I2C De= vice %x %x %x does not exist!\n", + __FUNCTION__, + __LINE__, + mI2cLpssPciDeviceList[Bus].BusNum, + mI2cLpssPciDeviceList[Bus].DeviceNum, + mI2cLpssPciDeviceList[Bus].FunctionNum)); Status =3D EFI_NOT_READY; goto Exit; @@ -550,7 +609,7 @@ ProgramPciLpssI2C ( Exit: if (EFI_ERROR (Status)) { - DEBUG ((DEBUG_ERROR, "%a (#%4d) - Ending with %r\n", __FUNCTION__, __L= INE__, Status)); + if (!gI2cQuietFlag) DEBUG ((DEBUG_ERROR, "%a (#%4d) - Ending with %r\n= ", __FUNCTION__, __LINE__, Status)); } return Status; } @@ -616,7 +675,7 @@ I2cInit ( 0 ); BaseAddress =3D MmioRead32 (PciMmBase + R_LPSS_IO_BAR) & B_LPSS_IO_BAR_B= A; - if (gI2cDebugFlag) DEBUG ((DEBUG_INFO, "%a (#%4d) - I2CBaseAddress =3D 0= x%08x:0x%08x \n", __FUNCTION__, __LINE__, BaseAddress, (UINT32) mI2cLpssPci= DeviceList[Bus].Bar0)); + if (gI2cDebugFlag && !gI2cQuietFlag) DEBUG ((DEBUG_INFO, "%a (#%4d) - I2= CBaseAddress =3D 0x%08x:0x%08x \n", __FUNCTION__, __LINE__, BaseAddress, (U= INT32) mI2cLpssPciDeviceList[Bus].Bar0)); // // Skip reinit if targeting the same I2C bus @@ -633,7 +692,7 @@ I2cInit ( // Status =3D ProgramPciLpssI2C (Bus); if (EFI_ERROR (Status)) { - DEBUG ((DEBUG_ERROR, "%a (#%4d) - ProgramPciLpssI2C failed! %r\n", __F= UNCTION__, __LINE__, Status)); + if (!gI2cQuietFlag) DEBUG ((DEBUG_ERROR, "%a (#%4d) - ProgramPciLpssI2= C failed! %r\n", __FUNCTION__, __LINE__, Status)); goto Exit; } @@ -641,7 +700,7 @@ I2cInit ( // Retrieve I2C MMIO base address // BaseAddress =3D (UINT32) mI2cLpssPciDeviceList[Bus].Bar0; - if (gI2cDebugFlag) DEBUG ((DEBUG_INFO, "%a (#%4d) - I2CBaseAddress =3D 0= x%x \n", __FUNCTION__, __LINE__, BaseAddress)); + if (gI2cDebugFlag && !gI2cQuietFlag) DEBUG ((DEBUG_INFO, "%a (#%4d) - I2= CBaseAddress =3D 0x%x \n", __FUNCTION__, __LINE__, BaseAddress)); // // Reset controller @@ -664,7 +723,7 @@ I2cInit ( Exit: if (EFI_ERROR (Status)) { - DEBUG ((DEBUG_ERROR, "%a (#%4d) - Ending with %r\n", __FUNCTION__, __L= INE__, Status)); + if (!gI2cQuietFlag) DEBUG ((DEBUG_ERROR, "%a (#%4d) - Ending with %r\n= ", __FUNCTION__, __LINE__, Status)); } return Status; } @@ -696,7 +755,7 @@ I2cPoll ( } if (EFI_ERROR (Status)) { - DEBUG ((DEBUG_ERROR, "%a (#%4d) - Ending with %r\n", __FUNCTION__, __L= INE__, Status)); + if (!gI2cQuietFlag) DEBUG ((DEBUG_ERROR, "%a (#%4d) - Ending with %r\n= ", __FUNCTION__, __LINE__, Status)); } return Status; } @@ -722,7 +781,7 @@ I2cRead ( UINT32 Data32; EFI_STATUS Status; - if (gI2cDebugFlag) DEBUG ((DEBUG_INFO, "%a (#%4d) - Starting\n", __FUNCT= ION__, __LINE__)); + if (gI2cDebugFlag && !gI2cQuietFlag) DEBUG ((DEBUG_INFO, "%a (#%4d) - St= arting\n", __FUNCTION__, __LINE__)); // // Sanity checks @@ -748,7 +807,7 @@ Exit: // Display error messages // if (EFI_ERROR (Status)) { - DEBUG ((DEBUG_ERROR, "%a (#%4d) - Ending with %r\n", __FUNCTION__, __L= INE__, Status)); + if (!gI2cQuietFlag) DEBUG ((DEBUG_ERROR, "%a (#%4d) - Ending with %r\n= ", __FUNCTION__, __LINE__, Status)); } return Status; } @@ -783,7 +842,7 @@ I2cReset ( MicroSecondDelay (10); NumTries--; if (0 =3D=3D NumTries) { - DEBUG ((DEBUG_ERROR, "%a(#%4d) - Try timeout\n", __FUNCTION__, __LIN= E__)); + if (!gI2cQuietFlag) DEBUG ((DEBUG_ERROR, "%a(#%4d) - Try timeout\n",= __FUNCTION__, __LINE__)); Status =3D EFI_DEVICE_ERROR; goto Exit; } @@ -797,7 +856,7 @@ I2cReset ( // Disable I2C controller // Status =3D I2cDisable (I2cBaseAddress); - if (gI2cDebugFlag) DEBUG ((DEBUG_INFO, "%a (#%4d) - I2cDisable Status = =3D %r\n", __FUNCTION__, __LINE__, Status)); + if (gI2cDebugFlag && !gI2cQuietFlag) DEBUG ((DEBUG_INFO, "%a (#%4d) - I2= cDisable Status =3D %r\n", __FUNCTION__, __LINE__, Status)); if (EFI_ERROR (Status)) { goto Exit; } @@ -847,13 +906,13 @@ I2cReset ( // Set I2C Mode // MmioWrite32 (I2cBaseAddress + R_IC_CON, I2cMode); - if (gI2cDebugFlag) DEBUG ((DEBUG_INFO, "%a (#%4d) - I2cMode: 0x%04x\r\n"= , __FUNCTION__, __LINE__, I2cMode)); + if (gI2cDebugFlag && !gI2cQuietFlag) DEBUG ((DEBUG_INFO, "%a (#%4d) - I2= cMode: 0x%04x\r\n", __FUNCTION__, __LINE__, I2cMode)); MicroSecondDelay (I2C_ROUTINE_DELAY); // // Enable I2C controller // Status =3D I2cEnable (I2cBaseAddress); - if (gI2cDebugFlag) DEBUG ((DEBUG_INFO, "%a (#%4d) - I2cEnable Status =3D= %r\n", __FUNCTION__, __LINE__, Status)); + if (gI2cDebugFlag && !gI2cQuietFlag) DEBUG ((DEBUG_INFO, "%a (#%4d) - I2= cEnable Status =3D %r\n", __FUNCTION__, __LINE__, Status)); if (EFI_ERROR (Status)) { goto Exit; } @@ -871,7 +930,7 @@ I2cReset ( Exit: if (EFI_ERROR (Status)) { - DEBUG ((DEBUG_ERROR, "%a (#%4d) - Ending with %r\n", __FUNCTION__, __L= INE__, Status)); + if (!gI2cQuietFlag) DEBUG ((DEBUG_ERROR, "%a (#%4d) - Ending with %r\n= ", __FUNCTION__, __LINE__, Status)); } return Status; } @@ -924,9 +983,9 @@ I2cSendCommand ( // if ((I2cGetRawStatus (I2cBaseAddress) & I2C_INTR_TX_ABRT) !=3D 0) { TxAbortStatus =3D I2cGetTxAbortStatus (I2cBaseAddress); - DEBUG ((DEBUG_ERROR, "%a (#%4d) - TX ABRT [%04x]\n", __FUNCTION__, _= _LINE__, TxAbortStatus)); - if (gI2cDebugFlag) DEBUG ((DEBUG_INFO, "%a (#%4d) - RX FIFO =3D %04x= \n", __FUNCTION__, __LINE__, I2cGetRxFifo (I2cBaseAddress))); - if (gI2cDebugFlag) DEBUG ((DEBUG_INFO, "%a (#%4d) - TX FIFO =3D %04x= \n", __FUNCTION__, __LINE__, I2cGetTxFifo (I2cBaseAddress))); + if (!gI2cQuietFlag) DEBUG ((DEBUG_ERROR, "%a (#%4d) - TX ABRT [%04x]= \n", __FUNCTION__, __LINE__, TxAbortStatus)); + if (gI2cDebugFlag && !gI2cQuietFlag) DEBUG ((DEBUG_INFO, "%a (#%4d) = - RX FIFO =3D %04x\n", __FUNCTION__, __LINE__, I2cGetRxFifo (I2cBaseAddress= ))); + if (gI2cDebugFlag && !gI2cQuietFlag) DEBUG ((DEBUG_INFO, "%a (#%4d) = - TX FIFO =3D %04x\n", __FUNCTION__, __LINE__, I2cGetTxFifo (I2cBaseAddress= ))); // // Clear TX Abort // @@ -941,7 +1000,7 @@ I2cSendCommand ( // Set status // if (TxAbortStatus & (I2C_ABRT_7B_ADDR_NOACK | I2C_ABRT_10ADDR1_NOACK= | I2C_ABRT_10ADDR2_NOACK)) { - DEBUG ((DEBUG_ERROR, "%a(#%4d) - Nobody home!\n", __FUNCTION__, __= LINE__)); + if (!gI2cQuietFlag) DEBUG ((DEBUG_ERROR, "%a(#%4d) - Nobody home!\= n", __FUNCTION__, __LINE__)); Status =3D EFI_NO_RESPONSE; } else { Status =3D EFI_DEVICE_ERROR; @@ -953,7 +1012,7 @@ I2cSendCommand ( // if (((I2cGetStatus (I2cBaseAddress) & STAT_RFNE) !=3D 0) && ReadFlag) = { *Data =3D MmioRead32 (I2cBaseAddress + R_IC_DATA_CMD) & 0xFF; - if (gI2cDebugFlag) DEBUG ((DEBUG_INFO, "%a (#%4d) - MmioRead32, byte= 0x%02x was received [%d:%d]\n", __FUNCTION__, __LINE__, *Data, Start, End)= ); + if (gI2cDebugFlag && !gI2cQuietFlag) DEBUG ((DEBUG_INFO, "%a (#%4d) = - MmioRead32, byte 0x%02x was received [%d:%d]\n", __FUNCTION__, __LINE__, = *Data, Start, End)); MicroSecondDelay (FIFO_WRITE_DELAY); // // Now empty the RX FIFO if stop bit set @@ -962,8 +1021,8 @@ I2cSendCommand ( MmioRead32 (I2cBaseAddress + R_IC_DATA_CMD); MicroSecondDelay (FIFO_WRITE_DELAY); } - if (gI2cDebugFlag) DEBUG ((DEBUG_INFO, "%a (#%4d) - RX FIFO =3D %04x= \n", __FUNCTION__, __LINE__, I2cGetRxFifo (I2cBaseAddress))); - if (gI2cDebugFlag) DEBUG ((DEBUG_INFO, "%a (#%4d) - TX FIFO =3D %04x= \n", __FUNCTION__, __LINE__, I2cGetTxFifo (I2cBaseAddress))); + if (gI2cDebugFlag && !gI2cQuietFlag) DEBUG ((DEBUG_INFO, "%a (#%4d) = - RX FIFO =3D %04x\n", __FUNCTION__, __LINE__, I2cGetRxFifo (I2cBaseAddress= ))); + if (gI2cDebugFlag && !gI2cQuietFlag) DEBUG ((DEBUG_INFO, "%a (#%4d) = - TX FIFO =3D %04x\n", __FUNCTION__, __LINE__, I2cGetTxFifo (I2cBaseAddress= ))); Status =3D EFI_SUCCESS; goto Exit; } @@ -994,7 +1053,7 @@ I2cSendCommand ( while (!ReadFlag) { if ((I2cGetRawStatus (I2cBaseAddress) & I2C_INTR_TX_ABRT) !=3D 0) { TxAbortStatus =3D I2cGetTxAbortStatus (I2cBaseAddress); - DEBUG ((DEBUG_ERROR, "%a (#%4d) - TX ABRT [%04x]\n", __FUNCTION__,= __LINE__, TxAbortStatus)); + if (!gI2cQuietFlag) DEBUG ((DEBUG_ERROR, "%a (#%4d) - TX ABRT [%04= x]\n", __FUNCTION__, __LINE__, TxAbortStatus)); // // Clear TX Abort // @@ -1009,16 +1068,16 @@ I2cSendCommand ( // Set status // if (TxAbortStatus & (I2C_ABRT_7B_ADDR_NOACK | I2C_ABRT_10ADDR1_NOA= CK | I2C_ABRT_10ADDR2_NOACK)) { - DEBUG ((DEBUG_ERROR, "%a(#%4d) - Nobody home!\n", __FUNCTION__, = __LINE__)); + if (!gI2cQuietFlag) DEBUG ((DEBUG_ERROR, "%a(#%4d) - Nobody home= !\n", __FUNCTION__, __LINE__)); Status =3D EFI_NO_RESPONSE; } else { Status =3D EFI_DEVICE_ERROR; } } if (I2cGetTxFifo (I2cBaseAddress) =3D=3D 0) { - if (gI2cDebugFlag) DEBUG ((DEBUG_INFO, "%a (#%4d) - MmioRead32, by= te 0x%04x was sent [%d:%d]\n", __FUNCTION__, __LINE__, Data32, Start, End))= ; - if (gI2cDebugFlag) DEBUG ((DEBUG_INFO, "%a (#%4d) - RX FIFO =3D %0= 4x\n", __FUNCTION__, __LINE__, I2cGetRxFifo (I2cBaseAddress))); - if (gI2cDebugFlag) DEBUG ((DEBUG_INFO, "%a (#%4d) - TX FIFO =3D %0= 4x\n", __FUNCTION__, __LINE__, I2cGetTxFifo (I2cBaseAddress))); + if (gI2cDebugFlag && !gI2cQuietFlag) DEBUG ((DEBUG_INFO, "%a (#%4d= ) - MmioRead32, byte 0x%04x was sent [%d:%d]\n", __FUNCTION__, __LINE__, Da= ta32, Start, End)); + if (gI2cDebugFlag && !gI2cQuietFlag) DEBUG ((DEBUG_INFO, "%a (#%4d= ) - RX FIFO =3D %04x\n", __FUNCTION__, __LINE__, I2cGetRxFifo (I2cBaseAddre= ss))); + if (gI2cDebugFlag && !gI2cQuietFlag) DEBUG ((DEBUG_INFO, "%a (#%4d= ) - TX FIFO =3D %04x\n", __FUNCTION__, __LINE__, I2cGetTxFifo (I2cBaseAddre= ss))); Status =3D EFI_SUCCESS; goto Exit; } @@ -1026,7 +1085,7 @@ I2cSendCommand ( if (Count++ < 1024) { //to avoid sys hung without ul-pmc device on R= VP continue; //Waiting the last request to get data and make (Receive= DataEnd > ReadBuffer) =3DTRUE. } else { - DEBUG ((DEBUG_ERROR, "%a (#%4d) - hardware timeout, 1024 times try= !\n", __FUNCTION__, __LINE__)); + if (!gI2cQuietFlag) DEBUG ((DEBUG_ERROR, "%a (#%4d) - hardware tim= eout, 1024 times try!\n", __FUNCTION__, __LINE__)); Status =3D EFI_TIMEOUT; goto Exit; } @@ -1049,7 +1108,7 @@ Exit: // Display error messages // if (EFI_ERROR (Status)) { - DEBUG ((DEBUG_ERROR, "%a (#%4d) - Ending with %r [%x]\n", __FUNCTION= __, __LINE__, Status, CountOut)); + if (!gI2cQuietFlag) DEBUG ((DEBUG_ERROR, "%a (#%4d) - Ending with %r = [%x]\n", __FUNCTION__, __LINE__, Status, CountOut)); } return Status; } @@ -1073,7 +1132,7 @@ I2cSetOffset ( UINT8 index; EFI_STATUS Status; - if (gI2cDebugFlag) DEBUG ((DEBUG_INFO, "%a (#%4d) - Starting\n", __FUNCT= ION__, __LINE__)); + if (gI2cDebugFlag && !gI2cQuietFlag) DEBUG ((DEBUG_INFO, "%a (#%4d) - St= arting\n", __FUNCTION__, __LINE__)); // // Sanity checks @@ -1116,7 +1175,7 @@ Exit: // Display error messages // if (EFI_ERROR (Status)) { - DEBUG ((DEBUG_ERROR, "%a (#%4d) - Ending with %r\n", __FUNCTION__, __L= INE__, Status)); + if (!gI2cQuietFlag) DEBUG ((DEBUG_ERROR, "%a (#%4d) - Ending with %r\n= ", __FUNCTION__, __LINE__, Status)); } return Status; } @@ -1142,7 +1201,7 @@ I2cWrite ( UINT32 Data32; EFI_STATUS Status; - if (gI2cDebugFlag) DEBUG ((DEBUG_INFO, "%a (#%4d) - Starting\n", __FUNCT= ION__, __LINE__)); + if (gI2cDebugFlag && !gI2cQuietFlag) DEBUG ((DEBUG_INFO, "%a (#%4d) - St= arting\n", __FUNCTION__, __LINE__)); // // Send CMD for write @@ -1157,7 +1216,7 @@ I2cWrite ( // Display error messages // if (EFI_ERROR (Status)) { - DEBUG ((DEBUG_ERROR, "%a (#%4d) - Ending with %r\n", __FUNCTION__, __L= INE__, Status)); + if (!gI2cQuietFlag) DEBUG ((DEBUG_ERROR, "%a (#%4d) - Ending with %r\n= ", __FUNCTION__, __LINE__, Status)); } return Status; } @@ -1198,7 +1257,7 @@ ByteReadI2C_Basic ( // Status =3D I2cInit (BusNo, SlaveAddress, Standard_Speed, &I2cBaseAddress= ); if (EFI_ERROR (Status)) { - DEBUG ((DEBUG_ERROR, "%a (#%4d) - I2cInit() =3D %r\n", __FUNCTION__, _= _LINE__, Status)); + if (!gI2cQuietFlag) DEBUG ((DEBUG_ERROR, "%a (#%4d) - I2cInit() =3D %r= \n", __FUNCTION__, __LINE__, Status)); goto Exit; } // @@ -1210,7 +1269,7 @@ ByteReadI2C_Basic ( // // Something went wrong. Bail from this for loop. // - DEBUG ((DEBUG_ERROR, "%a (#%4d) - I2cRead() =3D %r\n", __FUNCTION__,= __LINE__, Status)); + if (!gI2cQuietFlag) DEBUG ((DEBUG_ERROR, "%a (#%4d) - I2cRead() =3D = %r\n", __FUNCTION__, __LINE__, Status)); break; } } @@ -1254,7 +1313,7 @@ ByteWriteI2C_Basic ( // Status =3D I2cInit (BusNo, SlaveAddress, Standard_Speed, &I2cBaseAddress= ); if (EFI_ERROR (Status)) { - DEBUG ((DEBUG_ERROR, "%a (#%4d) - I2cInit() =3D %r\n", __FUNCTION__, _= _LINE__, Status)); + if (!gI2cQuietFlag) DEBUG ((DEBUG_ERROR, "%a (#%4d) - I2cInit() =3D %r= \n", __FUNCTION__, __LINE__, Status)); goto Exit; } // @@ -1266,7 +1325,7 @@ ByteWriteI2C_Basic ( // // Something went wrong. Bail from this for loop. // - DEBUG ((DEBUG_ERROR, "%a (#%4d) - I2cWrite() =3D %r\n", __FUNCTION__= , __LINE__, Status)); + if (!gI2cQuietFlag) DEBUG ((DEBUG_ERROR, "%a (#%4d) - I2cWrite() =3D= %r\n", __FUNCTION__, __LINE__, Status)); break; } } @@ -1304,7 +1363,7 @@ ByteReadI2C ( // Status =3D I2cInit (BusNo, SlaveAddress, Standard_Speed, &I2cBaseAddress= ); if (EFI_ERROR (Status)) { - DEBUG ((DEBUG_ERROR, "%a (#%4d) - I2cInit() =3D %r\n", __FUNCTION__, _= _LINE__, Status)); + if (!gI2cQuietFlag) DEBUG ((DEBUG_ERROR, "%a (#%4d) - I2cInit() =3D %r= \n", __FUNCTION__, __LINE__, Status)); goto Exit; } // @@ -1312,12 +1371,12 @@ ByteReadI2C ( // Status =3D I2cSetOffset (I2cBaseAddress, &Offset, 1); if (EFI_ERROR (Status)) { - DEBUG ((DEBUG_ERROR, "%a (#%4d) - I2cSetOffset() =3D %r [%02x:%02x:%04= x]\n", __FUNCTION__, __LINE__, Status, BusNo, SlaveAddress, Offset)); + if (!gI2cQuietFlag) DEBUG ((DEBUG_ERROR, "%a (#%4d) - I2cSetOffset() = =3D %r [%02x:%02x:%04x]\n", __FUNCTION__, __LINE__, Status, BusNo, SlaveAdd= ress, Offset)); goto Exit; } Status =3D ByteReadI2C_Basic (BusNo, SlaveAddress, ReadBytes, ReadBuffer= , TRUE, TRUE); if (EFI_ERROR (Status)) { - DEBUG ((DEBUG_ERROR, "%a (#%4d) - ByteReadI2C_Basic() =3D %r\n", __FUN= CTION__, __LINE__, Status)); + if (!gI2cQuietFlag) DEBUG ((DEBUG_ERROR, "%a (#%4d) - ByteReadI2C_Basi= c() =3D %r\n", __FUNCTION__, __LINE__, Status)); goto Exit; } @@ -1355,7 +1414,7 @@ ByteWriteI2C ( // Status =3D I2cInit (BusNo, SlaveAddress, Standard_Speed, &I2cBaseAddress= ); if (EFI_ERROR (Status)) { - DEBUG ((DEBUG_ERROR, "%a (#%4d) - I2cInit() =3D %r\n", __FUNCTION__, _= _LINE__, Status)); + if (!gI2cQuietFlag) DEBUG ((DEBUG_ERROR, "%a (#%4d) - I2cInit() =3D %r= \n", __FUNCTION__, __LINE__, Status)); goto Exit; } // @@ -1363,12 +1422,12 @@ ByteWriteI2C ( // Status =3D I2cSetOffset (I2cBaseAddress, &Offset, 1); if (EFI_ERROR (Status)) { - DEBUG ((DEBUG_ERROR, "%a (#%4d) - I2cSetOffset() =3D %r [%02x:%02x:%04= x]\n", __FUNCTION__, __LINE__, Status, BusNo, SlaveAddress, Offset)); + if (!gI2cQuietFlag) DEBUG ((DEBUG_ERROR, "%a (#%4d) - I2cSetOffset() = =3D %r [%02x:%02x:%04x]\n", __FUNCTION__, __LINE__, Status, BusNo, SlaveAdd= ress, Offset)); goto Exit; } Status =3D ByteWriteI2C_Basic (BusNo, SlaveAddress, WriteBytes, WriteBuf= fer, FALSE, TRUE); if (EFI_ERROR (Status)) { - DEBUG ((DEBUG_ERROR, "%a (#%4d) - ByteWriteI2C_Basic() =3D %r\n", __FU= NCTION__, __LINE__, Status)); + if (!gI2cQuietFlag) DEBUG ((DEBUG_ERROR, "%a (#%4d) - ByteWriteI2C_Bas= ic() =3D %r\n", __FUNCTION__, __LINE__, Status)); goto Exit; } diff --git a/Silicon/BroxtonSoC/BroxtonSiPkg/SouthCluster/Library/I2cLib/I2= cLib.h b/Silicon/BroxtonSoC/BroxtonSiPkg/SouthCluster/Library/I2cLib/I2cLib= .h index 0083211b47..1e85f05bae 100644 --- a/Silicon/BroxtonSoC/BroxtonSiPkg/SouthCluster/Library/I2cLib/I2cLib.h +++ b/Silicon/BroxtonSoC/BroxtonSiPkg/SouthCluster/Library/I2cLib/I2cLib.h @@ -31,11 +31,6 @@ #include // -// Externs -// -extern BOOLEAN gI2cDebugFlag; - -// // Structures // typedef struct _I2C_LPSS_PCI_DEVICE_INFO { @@ -56,5 +51,11 @@ typedef struct _LPSS_I2C_CLOCK_SCL_INFO { UINT16 HS_SCL_LCNT; } LPSS_I2C_CLOCK_SCL_INFO; +typedef struct _LPSS_I2C_GPIO_MODE { + UINT32 Offset; + BOOLEAN Mode1Flag; + BOOLEAN Mode2Flag; +} LPSS_I2C_GPIO_MODE; + #endif // _I2C_COMMON_H_ diff --git a/Silicon/BroxtonSoC/BroxtonSiPkg/SouthCluster/Library/I2cLib/I2= cLib.inf b/Silicon/BroxtonSoC/BroxtonSiPkg/SouthCluster/Library/I2cLib/I2cL= ib.inf index fb9210d732..9ef30bdff5 100644 --- a/Silicon/BroxtonSoC/BroxtonSiPkg/SouthCluster/Library/I2cLib/I2cLib.in= f +++ b/Silicon/BroxtonSoC/BroxtonSiPkg/SouthCluster/Library/I2cLib/I2cLib.in= f @@ -39,6 +39,7 @@ [Pcd] gEfiBxtTokenSpaceGuid.PcdPmcGcrBaseAddress ## SOMETIMES_CONSUME= S gEfiMdePkgTokenSpaceGuid.PcdPciExpressBaseAddress ## SOMETIMES_CONSUME= S + gSiPkgTokenSpaceGuid.PcdAfterGpioInitFlag [Sources] I2cLib.c -- 2.11.0.windows.1