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contact devel+owner@edk2.groups.io Reply-To: devel@edk2.groups.io,pankaj.bansal@nxp.com X-Gm-Message-State: LjUeE4SpXOILFnDolKrHcnO7x1787277AA= Content-Transfer-Encoding: quoted-printable DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=groups.io; q=dns/txt; s=20140610; t=1590731608; bh=7gZhKeNtBS607zmgd0pTgSIfUl9xK/lQGJ9l+kuiIFk=; h=Content-Type:Date:From:Reply-To:Subject:To; b=DpWP7j3+G11G3wFU0fIpr9lIkdCyDDum5aIFyvXOXQmSwVxJiWd2PyK1rjcE2ELo0Jv 0pmBiMsVH/duAFw1LW+zvKGnDOuagR0UaaDPcm7ckYlaV2Ycwai0WLMX94zbVlPmta7Jb 1Vs1lhH6Fm1/swrxzjQdMIQsit/B5LxWjVM= X-ZohoMail-DKIM: pass (identity @groups.io) Content-Type: text/plain; charset="utf-8" From: Pankaj Bansal In NXP SOCs the UART clock is derived from System clock after PLL multiplication. Therefore, add the PL011UartClockLib implementation for NXP platforms. Signed-off-by: Pankaj Bansal Reviewed-by: Leif Lindholm --- Notes: V3: - No change =20 V2: - No change Silicon/NXP/Library/PL011UartClockLib/PL011UartClockLib.inf | 24 +++++++++= +++++++++++ Silicon/NXP/Library/PL011UartClockLib/PL011UartClockLib.c | 22 +++++++++= +++++++++ 2 files changed, 46 insertions(+) diff --git a/Silicon/NXP/Library/PL011UartClockLib/PL011UartClockLib.inf b/= Silicon/NXP/Library/PL011UartClockLib/PL011UartClockLib.inf new file mode 100644 index 000000000000..b771dba7697f --- /dev/null +++ b/Silicon/NXP/Library/PL011UartClockLib/PL011UartClockLib.inf @@ -0,0 +1,24 @@ +#/* @file +# Copyright 2018, 2020 NXP +# +# SPDX-License-Identifier: BSD-2-Clause-Patent +# +#*/ + +[Defines] + INF_VERSION =3D 0x0001001A + BASE_NAME =3D PL011UartClockLib + FILE_GUID =3D af8fef24-afbb-472a-b8b7-13101a79703c + MODULE_TYPE =3D BASE + VERSION_STRING =3D 1.0 + LIBRARY_CLASS =3D PL011UartClockLib + +[Packages] + MdePkg/MdePkg.dec + Silicon/NXP/NxpQoriqLs.dec + +[Sources.common] + PL011UartClockLib.c + +[LibraryClasses] + ArmPlatformLib diff --git a/Silicon/NXP/Library/PL011UartClockLib/PL011UartClockLib.c b/Si= licon/NXP/Library/PL011UartClockLib/PL011UartClockLib.c new file mode 100644 index 000000000000..3814685585eb --- /dev/null +++ b/Silicon/NXP/Library/PL011UartClockLib/PL011UartClockLib.c @@ -0,0 +1,22 @@ +/** @file +* +* Copyright 2018, 2020 NXP +* +* SPDX-License-Identifier: BSD-2-Clause-Patent +* +**/ + +#include +#include + +/** + Return clock in for PL011 Uart IP +**/ +UINT32 +EFIAPI +PL011UartClockGetFreq ( + VOID + ) +{ + return gPlatformGetClockPpi.PlatformGetClock (NXP_UART_CLOCK, 0); +} --=20 2.17.1 -=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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