From nobody Fri May 3 10:05:51 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=none (zoho.com: 198.145.21.10 is neither permitted nor denied by domain of lists.01.org) smtp.mailfrom=edk2-devel-bounces@lists.01.org; dmarc=fail(p=none dis=none) header.from=nxp.com Return-Path: Received: from ml01.01.org (ml01.01.org [198.145.21.10]) by mx.zohomail.com with SMTPS id 15288778752981008.3980268553566; Wed, 13 Jun 2018 01:17:55 -0700 (PDT) Received: from [127.0.0.1] (localhost [IPv6:::1]) by ml01.01.org (Postfix) with ESMTP id 8FAE5213281E0; Wed, 13 Jun 2018 01:17:54 -0700 (PDT) Received: from inva021.nxp.com (inva021.nxp.com [92.121.34.21]) (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 4161D211D56A3 for ; Wed, 13 Jun 2018 01:17:53 -0700 (PDT) Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id AB7B52000F2; Wed, 13 Jun 2018 10:17:51 +0200 (CEST) Received: from smtp.na-rdc02.nxp.com (inv1260.us-phx01.nxp.com [134.27.49.11]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 47F8C200185; Wed, 13 Jun 2018 10:17:51 +0200 (CEST) Received: from az84smr01.freescale.net (az84smr01.freescale.net [10.64.34.197]) by inv1260.na-rdc02.nxp.com (Postfix) with ESMTP id B443C40C72; Wed, 13 Jun 2018 01:17:50 -0700 (MST) Received: from uefi-OptiPlex-790.ap.freescale.net ([10.232.132.56]) by az84smr01.freescale.net (8.14.3/8.14.0) with ESMTP id w5D8HkLP003760; Wed, 13 Jun 2018 01:17:49 -0700 X-Original-To: edk2-devel@lists.01.org Received-SPF: none (zoho.com: 198.145.21.10 is neither permitted nor denied by domain of lists.01.org) client-ip=198.145.21.10; envelope-from=edk2-devel-bounces@lists.01.org; helo=ml01.01.org; Received-SPF: Pass (sender SPF authorized) identity=mailfrom; client-ip=92.121.34.21; helo=inva021.nxp.com; envelope-from=udit.kumar@nxp.com; receiver=edk2-devel@lists.01.org From: Udit Kumar To: ard.biesheuvel@linaro.org, leif.lindholm@linaro.org, edk2-devel@lists.01.org Date: Wed, 13 Jun 2018 01:44:08 +0530 Message-Id: <1528834449-12726-2-git-send-email-udit.kumar@nxp.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1528834449-12726-1-git-send-email-udit.kumar@nxp.com> References: <1528834449-12726-1-git-send-email-udit.kumar@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP Subject: [edk2] [PATCH v3 1/2] ArmPlatformPkg: PL011 Dynamic clock freq Support X-BeenThere: edk2-devel@lists.01.org X-Mailman-Version: 2.1.26 Precedence: list List-Id: EDK II Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Errors-To: edk2-devel-bounces@lists.01.org Sender: "edk2-devel" X-ZohoMail: RSF_4 Z_629925259 SPT_0 Content-Type: text/plain; charset="utf-8" Some platform support dynamic clocking, Which is controlled by some jumper setting or hardware registers. Result of that PCD PL011UartClkInHz needs to be updated for frequency change. This patch implements support for dynamic frequency for PL011 uart. This patch implements default lib, which is using Pcd. Platform which needs dynamic clocking needs implement PL011UartClockLib Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Udit Kumar Reviewed-by: Ard Biesheuvel --- ArmPlatformPkg/ArmPlatformPkg.dec | 1 + ArmPlatformPkg/ArmPlatformPkg.dsc | 1 + ArmPlatformPkg/Include/Library/PL011UartClockLib.h | 31 +++++++++++++++++++ .../Library/PL011UartClockLib/PL011UartClockLib.c | 29 +++++++++++++++++ .../PL011UartClockLib/PL011UartClockLib.inf | 36 ++++++++++++++++++= ++++ 5 files changed, 98 insertions(+) create mode 100644 ArmPlatformPkg/Include/Library/PL011UartClockLib.h create mode 100644 ArmPlatformPkg/Library/PL011UartClockLib/PL011UartClock= Lib.c create mode 100644 ArmPlatformPkg/Library/PL011UartClockLib/PL011UartClock= Lib.inf diff --git a/ArmPlatformPkg/ArmPlatformPkg.dec b/ArmPlatformPkg/ArmPlatform= Pkg.dec index dff4598..5f67e74 100644 --- a/ArmPlatformPkg/ArmPlatformPkg.dec +++ b/ArmPlatformPkg/ArmPlatformPkg.dec @@ -36,6 +36,7 @@ LcdHwLib|Include/Library/LcdHwLib.h LcdPlatformLib|Include/Library/LcdPlatformLib.h NorFlashPlatformLib|Include/Library/NorFlashPlatformLib.h + PL011UartClockLib|Include/Library/PL011UartClockLib.h PL011UartLib|Include/Library/PL011UartLib.h =20 [Guids.common] diff --git a/ArmPlatformPkg/ArmPlatformPkg.dsc b/ArmPlatformPkg/ArmPlatform= Pkg.dsc index 0013106..d504e76 100644 --- a/ArmPlatformPkg/ArmPlatformPkg.dsc +++ b/ArmPlatformPkg/ArmPlatformPkg.dsc @@ -105,6 +105,7 @@ ArmPlatformPkg/Library/LcdPlatformNullLib/LcdPlatformNullLib.inf ArmPlatformPkg/Library/NorFlashPlatformNullLib/NorFlashPlatformNullLib.i= nf ArmPlatformPkg/Library/PL011SerialPortLib/PL011SerialPortLib.inf + ArmPlatformPkg/Library/PL011UartClockLib/PL011UartClockLib.inf ArmPlatformPkg/Library/PL011UartLib/PL011UartLib.inf ArmPlatformPkg/Library/PL031RealTimeClockLib/PL031RealTimeClockLib.inf ArmPlatformPkg/Library/PrePiHobListPointerLib/PrePiHobListPointerLib.inf diff --git a/ArmPlatformPkg/Include/Library/PL011UartClockLib.h b/ArmPlatfo= rmPkg/Include/Library/PL011UartClockLib.h new file mode 100644 index 0000000..04c7d51 --- /dev/null +++ b/ArmPlatformPkg/Include/Library/PL011UartClockLib.h @@ -0,0 +1,31 @@ +/** @file +* +* Copyright 2018 NXP +* +* This program and the accompanying materials +* are licensed and made available under the terms and conditions of the B= SD 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 IM= PLIED. +* +**/ + +#ifndef __PL011UARTCLOCKLIB_H__ +#define __PL011UARTCLOCKLIB_H__ + +/** + + Return baud clock frequency of PL011. + + @return return frequency of PL011 in Hz + +**/ +UINT32 +EFIAPI +PL011UartClockGetFreq ( + VOID + ); + +#endif diff --git a/ArmPlatformPkg/Library/PL011UartClockLib/PL011UartClockLib.c b= /ArmPlatformPkg/Library/PL011UartClockLib/PL011UartClockLib.c new file mode 100644 index 0000000..6f0f61c --- /dev/null +++ b/ArmPlatformPkg/Library/PL011UartClockLib/PL011UartClockLib.c @@ -0,0 +1,29 @@ +/** @file +* +* Copyright 2018 NXP +* +* This program and the accompanying materials +* are licensed and made available under the terms and conditions of the B= SD 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 IM= PLIED. +* +**/ + +#include + +/** + Return clock in for PL011 Uart IP + + @return Pcd PL011UartClkInHz +**/ +UINT32 +EFIAPI +PL011UartClockGetFreq ( + VOID + ) +{ + return FixedPcdGet32 (PL011UartClkInHz); +} diff --git a/ArmPlatformPkg/Library/PL011UartClockLib/PL011UartClockLib.inf= b/ArmPlatformPkg/Library/PL011UartClockLib/PL011UartClockLib.inf new file mode 100644 index 0000000..90193e6 --- /dev/null +++ b/ArmPlatformPkg/Library/PL011UartClockLib/PL011UartClockLib.inf @@ -0,0 +1,36 @@ +#/* @file +# Copyright 2018 NXP +# +# This program and the accompanying materials +# are licensed and made available under the terms and conditions of the B= SD 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 IM= PLIED. +# +#*/ + +[Defines] + INF_VERSION =3D 0x0001001A + BASE_NAME =3D BasePL011UartClockLib + FILE_GUID =3D af8fef24-afbb-472a-b8b7-13101a79703c + MODULE_TYPE =3D BASE + VERSION_STRING =3D 1.0 + LIBRARY_CLASS =3D PL011UartClockLib + +[Packages] + ArmPkg/ArmPkg.dec + ArmPlatformPkg/ArmPlatformPkg.dec + MdePkg/MdePkg.dec + +[LibraryClasses] + ArmLib + DebugLib + +[Sources.common] + PL011UartClockLib.c + +[FixedPcd] + gArmPlatformTokenSpaceGuid.PL011UartClkInHz + --=20 1.9.1 _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel From nobody Fri May 3 10:05:51 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=none (zoho.com: 198.145.21.10 is neither permitted nor denied by domain of lists.01.org) smtp.mailfrom=edk2-devel-bounces@lists.01.org; dmarc=fail(p=none dis=none) header.from=nxp.com Return-Path: Received: from ml01.01.org (ml01.01.org [198.145.21.10]) by mx.zohomail.com with SMTPS id 1528877877034295.0331897443913; Wed, 13 Jun 2018 01:17:57 -0700 (PDT) Received: from [127.0.0.1] (localhost [IPv6:::1]) by ml01.01.org (Postfix) with ESMTP id C07032132996D; Wed, 13 Jun 2018 01:17:55 -0700 (PDT) Received: from inva021.nxp.com (inva021.nxp.com [92.121.34.21]) (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 8FF04213281E2 for ; Wed, 13 Jun 2018 01:17:54 -0700 (PDT) Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 4903420018E; Wed, 13 Jun 2018 10:17:53 +0200 (CEST) Received: from smtp.na-rdc02.nxp.com (inv1260.us-phx01.nxp.com [134.27.49.11]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 146652001A8; Wed, 13 Jun 2018 10:17:53 +0200 (CEST) Received: from az84smr01.freescale.net (az84smr01.freescale.net [10.64.34.197]) by inv1260.na-rdc02.nxp.com (Postfix) with ESMTP id C9C5440C72; Wed, 13 Jun 2018 01:17:52 -0700 (MST) Received: from uefi-OptiPlex-790.ap.freescale.net ([10.232.132.56]) by az84smr01.freescale.net (8.14.3/8.14.0) with ESMTP id w5D8HkLQ003760; Wed, 13 Jun 2018 01:17:51 -0700 X-Original-To: edk2-devel@lists.01.org Received-SPF: none (zoho.com: 198.145.21.10 is neither permitted nor denied by domain of lists.01.org) client-ip=198.145.21.10; envelope-from=edk2-devel-bounces@lists.01.org; helo=ml01.01.org; Received-SPF: Pass (sender SPF authorized) identity=mailfrom; client-ip=92.121.34.21; helo=inva021.nxp.com; envelope-from=udit.kumar@nxp.com; receiver=edk2-devel@lists.01.org From: Udit Kumar To: ard.biesheuvel@linaro.org, leif.lindholm@linaro.org, edk2-devel@lists.01.org Date: Wed, 13 Jun 2018 01:44:09 +0530 Message-Id: <1528834449-12726-3-git-send-email-udit.kumar@nxp.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1528834449-12726-1-git-send-email-udit.kumar@nxp.com> References: <1528834449-12726-1-git-send-email-udit.kumar@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP Subject: [edk2] [PATCH v3 2/2] ArmPlatformPkg: Include PL011UartClock Lib X-BeenThere: edk2-devel@lists.01.org X-Mailman-Version: 2.1.26 Precedence: list List-Id: EDK II Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Errors-To: edk2-devel-bounces@lists.01.org Sender: "edk2-devel" X-ZohoMail: RSF_4 Z_629925259 SPT_0 Content-Type: text/plain; charset="utf-8" This patch gets PL011 baud rate clock from pl011 uart clock lib instead of Pcd. Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Udit Kumar Reviewed-by: Ard Biesheuvel --- ArmPlatformPkg/Library/PL011SerialPortLib/PL011SerialPortLib.c | 5 +++-- ArmPlatformPkg/Library/PL011SerialPortLib/PL011SerialPortLib.inf | 1 + 2 files changed, 4 insertions(+), 2 deletions(-) diff --git a/ArmPlatformPkg/Library/PL011SerialPortLib/PL011SerialPortLib.c= b/ArmPlatformPkg/Library/PL011SerialPortLib/PL011SerialPortLib.c index 6aa8063..212991d 100644 --- a/ArmPlatformPkg/Library/PL011SerialPortLib/PL011SerialPortLib.c +++ b/ArmPlatformPkg/Library/PL011SerialPortLib/PL011SerialPortLib.c @@ -19,6 +19,7 @@ =20 #include #include +#include #include #include =20 @@ -48,7 +49,7 @@ SerialPortInitialize ( =20 return PL011UartInitializePort ( (UINTN)FixedPcdGet64 (PcdSerialRegisterBase), - FixedPcdGet32 (PL011UartClkInHz), + PL011UartClockGetFreq(), &BaudRate, &ReceiveFifoDepth, &Parity, @@ -156,7 +157,7 @@ SerialPortSetAttributes ( { return PL011UartInitializePort ( (UINTN)FixedPcdGet64 (PcdSerialRegisterBase), - FixedPcdGet32 (PL011UartClkInHz), + PL011UartClockGetFreq(), BaudRate, ReceiveFifoDepth, Parity, diff --git a/ArmPlatformPkg/Library/PL011SerialPortLib/PL011SerialPortLib.i= nf b/ArmPlatformPkg/Library/PL011SerialPortLib/PL011SerialPortLib.inf index 3683e06..5ce5b2f 100644 --- a/ArmPlatformPkg/Library/PL011SerialPortLib/PL011SerialPortLib.inf +++ b/ArmPlatformPkg/Library/PL011SerialPortLib/PL011SerialPortLib.inf @@ -26,6 +26,7 @@ PL011SerialPortLib.c =20 [LibraryClasses] + PL011UartClockLib PL011UartLib PcdLib =20 --=20 1.9.1 _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel