From nobody Mon Feb 9 10:48:23 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+102594+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+102594+1787277+3901457@groups.io; dmarc=fail(p=none dis=none) header.from=intel.com ARC-Seal: i=1; a=rsa-sha256; t=1680758807; cv=none; d=zohomail.com; s=zohoarc; b=d+6v/7URLpZ+ftR/5wFEkg1rmzfiUzzAETGokz6OZOAYtjGbb55+nBL5oKuN8Q3WBcMSHve2fWWVs8ILcysfIoyQ/fKiCVVAAV3KOPckdCqyGkPweM91OaiFa9se/aKrR6XumUgVBQYKU/GCxBV5Au4cS4Fcu90EI1axctr7E2w= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1680758807; 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=MA/ie+F/oMY6UFu/eHd0pbSe9uZWeToikgdo0NXCN48=; b=EyfulIPGG1NiNj3LlrO7iDYbc4KQ5IQuFvdeWaFd9U759l/QEUa2tM7WdqP8JQxYmNvDqUY4y6tXVfpk/oVnkne3CB59H8aeTAyVG1J0bolYSHNSP0mj3ALjW1CtRGRFBiIH/l+7VSpwRkg5nOV2Ty0OdmOQv7pvyiQapzP9/tA= 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+102594+1787277+3901457@groups.io; dmarc=fail header.from= (p=none dis=none) Received: from mail02.groups.io (mail02.groups.io [66.175.222.108]) by mx.zohomail.com with SMTPS id 1680758807554985.8179618456846; Wed, 5 Apr 2023 22:26:47 -0700 (PDT) Return-Path: X-Received: by 127.0.0.2 with SMTP id HTVbYY1788612xbL5Ov3SRtZ; Wed, 05 Apr 2023 22:26:47 -0700 X-Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) by mx.groups.io with SMTP id smtpd.web10.151478.1680758806314065963 for ; Wed, 05 Apr 2023 22:26:46 -0700 X-IronPort-AV: E=McAfee;i="6600,9927,10671"; a="323020617" X-IronPort-AV: E=Sophos;i="5.98,322,1673942400"; d="scan'208";a="323020617" X-Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Apr 2023 22:26:43 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10671"; a="776324965" X-IronPort-AV: E=Sophos;i="5.98,322,1673942400"; d="scan'208";a="776324965" X-Received: from evancy.sh.intel.com ([10.239.158.113]) by FMSMGA003.fm.intel.com with ESMTP; 05 Apr 2023 22:26:41 -0700 From: "Chai, Evan" To: devel@edk2.groups.io Cc: Daniel Schaefer , Sunil V L , Andrei Warkentin Subject: [edk2-devel] [edk2-platforms][PATCH 2/5] Platform/Sifive: remove redundant TimerDxe from Platform Date: Thu, 6 Apr 2023 13:24:20 +0800 Message-Id: <20230406052423.378702-3-evan.chai@intel.com> In-Reply-To: <20230406052423.378702-1-evan.chai@intel.com> References: <20230406052423.378702-1-evan.chai@intel.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,evan.chai@intel.com X-Gm-Message-State: irafy2E1fUNqXeRqIDNm8G6vx1787277AA= Content-Transfer-Encoding: quoted-printable DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=groups.io; q=dns/txt; s=20140610; t=1680758807; bh=8JmfrNKBOl0leEu7HQfXzDfWWIr8TYVuemoNUEk+D1Y=; h=Cc:Date:From:Reply-To:Subject:To; b=W7AaOQoWeXJdkLhsAKbMudrYhWK+ulBhMVJ9HL2H7PtxaGqwW/APmiwbmilAlnX89sw m3RMd/9i0AUzaPvSxatdJoViNKhTZfuZKl9lOU3/bWMZTj+GT+pZrk+8ylFCQrnVgeSUS C1iUt/Yy8UcgD3UPwC8lTx69PYjyDPEoVWk= X-ZohoMail-DKIM: pass (identity @groups.io) X-ZM-MESSAGEID: 1680758809420100010 Content-Type: text/plain; charset="utf-8" It will be replaced by UefiCpuPkg/CpuTimerDxeRiscV64. Cc: Daniel Schaefer Cc: Sunil V L Cc: Andrei Warkentin Signed-off-by: Evan Chai --- Platform/SiFive/U5SeriesPkg/FreedomU500VC707Board/U500.dsc | 2= +- Platform/SiFive/U5SeriesPkg/FreedomU500VC707Board/U500.fdf | 2= +- Platform/SiFive/U5SeriesPkg/FreedomU540HiFiveUnleashedBoard/U540.dsc | 2= +- Platform/SiFive/U5SeriesPkg/FreedomU540HiFiveUnleashedBoard/U540.fdf | 2= +- Platform/SiFive/U5SeriesPkg/Universal/Dxe/TimerDxe/Timer.c | 311= --------------------------------------------------------------------------= ---------------------------------------------------------------------------= ---------------------------------------------------------------------------= ---------------------------------------------------------------------------= ------------ Platform/SiFive/U5SeriesPkg/Universal/Dxe/TimerDxe/Timer.h | 174= --------------------------------------------------------------------------= ---------------------------------------------------------------------------= ------------------------- Platform/SiFive/U5SeriesPkg/Universal/Dxe/TimerDxe/Timer.uni | 14= -------------- Platform/SiFive/U5SeriesPkg/Universal/Dxe/TimerDxe/TimerDxe.inf | 54= ------------------------------------------------------ Platform/SiFive/U5SeriesPkg/Universal/Dxe/TimerDxe/TimerExtra.uni | 12= ------------ 9 files changed, 4 insertions(+), 569 deletions(-) diff --git a/Platform/SiFive/U5SeriesPkg/FreedomU500VC707Board/U500.dsc b/P= latform/SiFive/U5SeriesPkg/FreedomU500VC707Board/U500.dsc index efcfdd35..c26b4608 100644 --- a/Platform/SiFive/U5SeriesPkg/FreedomU500VC707Board/U500.dsc +++ b/Platform/SiFive/U5SeriesPkg/FreedomU500VC707Board/U500.dsc @@ -460,7 +460,7 @@ # # RISC-V Platform module # - Platform/SiFive/U5SeriesPkg/Universal/Dxe/TimerDxe/TimerDxe.inf + UefiCpuPkg/CpuTimerDxeRiscV64/CpuTimerDxeRiscV64.inf Platform/SiFive/U5SeriesPkg/Universal/Dxe/RamFvbServicesRuntimeDxe/FvbSe= rvicesRuntimeDxe.inf =20 # diff --git a/Platform/SiFive/U5SeriesPkg/FreedomU500VC707Board/U500.fdf b/P= latform/SiFive/U5SeriesPkg/FreedomU500VC707Board/U500.fdf index da4d3379..b17c960d 100644 --- a/Platform/SiFive/U5SeriesPkg/FreedomU500VC707Board/U500.fdf +++ b/Platform/SiFive/U5SeriesPkg/FreedomU500VC707Board/U500.fdf @@ -150,7 +150,7 @@ INF EmbeddedPkg/RealTimeClockRuntimeDxe/RealTimeClockR= untimeDxe.inf INF Platform/SiFive/U5SeriesPkg/Universal/Dxe/RamFvbServicesRuntimeDxe/Fv= bServicesRuntimeDxe.inf =20 # RISC-V Core Drivers -INF Platform/SiFive/U5SeriesPkg/Universal/Dxe/TimerDxe/TimerDxe.inf +INF UefiCpuPkg/CpuTimerDxeRiscV64/CpuTimerDxeRiscV64.inf INF UefiCpuPkg/CpuDxeRiscV64/CpuDxeRiscV64.inf INF Silicon/RISC-V/ProcessorPkg/Universal/SmbiosDxe/RiscVSmbiosDxe.inf =20 diff --git a/Platform/SiFive/U5SeriesPkg/FreedomU540HiFiveUnleashedBoard/U5= 40.dsc b/Platform/SiFive/U5SeriesPkg/FreedomU540HiFiveUnleashedBoard/U540.d= sc index d92f8166..4487913f 100644 --- a/Platform/SiFive/U5SeriesPkg/FreedomU540HiFiveUnleashedBoard/U540.dsc +++ b/Platform/SiFive/U5SeriesPkg/FreedomU540HiFiveUnleashedBoard/U540.dsc @@ -459,7 +459,7 @@ # # RISC-V Platform module # - Platform/SiFive/U5SeriesPkg/Universal/Dxe/TimerDxe/TimerDxe.inf + UefiCpuPkg/CpuTimerDxeRiscV64/CpuTimerDxeRiscV64.inf Platform/SiFive/U5SeriesPkg/Universal/Dxe/RamFvbServicesRuntimeDxe/FvbSe= rvicesRuntimeDxe.inf =20 # diff --git a/Platform/SiFive/U5SeriesPkg/FreedomU540HiFiveUnleashedBoard/U5= 40.fdf b/Platform/SiFive/U5SeriesPkg/FreedomU540HiFiveUnleashedBoard/U540.f= df index 237ed74a..9ae89647 100644 --- a/Platform/SiFive/U5SeriesPkg/FreedomU540HiFiveUnleashedBoard/U540.fdf +++ b/Platform/SiFive/U5SeriesPkg/FreedomU540HiFiveUnleashedBoard/U540.fdf @@ -150,7 +150,7 @@ INF EmbeddedPkg/RealTimeClockRuntimeDxe/RealTimeClockR= untimeDxe.inf INF Platform/SiFive/U5SeriesPkg/Universal/Dxe/RamFvbServicesRuntimeDxe/Fv= bServicesRuntimeDxe.inf =20 # RISC-V Core Drivers -INF Platform/SiFive/U5SeriesPkg/Universal/Dxe/TimerDxe/TimerDxe.inf +INF UefiCpuPkg/CpuTimerDxeRiscV64/CpuTimerDxeRiscV64.inf INF UefiCpuPkg/CpuDxeRiscV64/CpuDxeRiscV64.inf INF Silicon/RISC-V/ProcessorPkg/Universal/SmbiosDxe/RiscVSmbiosDxe.inf =20 diff --git a/Platform/SiFive/U5SeriesPkg/Universal/Dxe/TimerDxe/Timer.c b/P= latform/SiFive/U5SeriesPkg/Universal/Dxe/TimerDxe/Timer.c deleted file mode 100644 index deb57992..00000000 --- a/Platform/SiFive/U5SeriesPkg/Universal/Dxe/TimerDxe/Timer.c +++ /dev/null @@ -1,311 +0,0 @@ -/** @file - RISC-V Timer Architectural Protocol for U5 series platform. - - Copyright (c) 2019, Hewlett Packard Enterprise Development LP. All right= s reserved.
- - SPDX-License-Identifier: BSD-2-Clause-Patent - -**/ - -#include "Timer.h" -#include -#include -#include -#include -#include -#include - -BOOLEAN TimerHandlerReentry =3D FALSE; - -// -// The handle onto which the Timer Architectural Protocol will be installed -// -STATIC EFI_HANDLE mTimerHandle =3D NULL; - -// -// The Timer Architectural Protocol that this driver produces -// -EFI_TIMER_ARCH_PROTOCOL mTimer =3D { - TimerDriverRegisterHandler, - TimerDriverSetTimerPeriod, - TimerDriverGetTimerPeriod, - TimerDriverGenerateSoftInterrupt -}; - -// -// Pointer to the CPU Architectural Protocol instance -// -EFI_CPU_ARCH_PROTOCOL *mCpu; - -// -// The notification function to call on every timer interrupt. -// A bug in the compiler prevents us from initializing this here. -// -STATIC EFI_TIMER_NOTIFY mTimerNotifyFunction; - -// -// The current period of the timer interrupt -// -STATIC UINT64 mTimerPeriod =3D 0; - -/** - U5 Series Timer Interrupt Handler. - - @param InterruptType The type of interrupt that occured - @param SystemContext A pointer to the system context when the interru= pt occured -**/ - -VOID -EFIAPI -TimerInterruptHandler ( - IN EFI_EXCEPTION_TYPE InterruptType, - IN EFI_SYSTEM_CONTEXT SystemContext - ) -{ - EFI_TPL OriginalTPL; - UINT64 RiscvTimer; - - if (TimerHandlerReentry) { - // - // MMode timer occurred when processing - // SMode timer handler. - // - RiscvTimer =3D RiscVReadMachineTimerInterface(); - SbiSetTimer (RiscvTimer +=3D mTimerPeriod); - csr_clear(CSR_SIP, MIP_STIP); - return; - } - TimerHandlerReentry =3D TRUE; - - OriginalTPL =3D gBS->RaiseTPL (TPL_HIGH_LEVEL); - csr_clear(CSR_SIE, MIP_STIP); // Disable SMode timer int - csr_clear(CSR_SIP, MIP_STIP); - if (mTimerPeriod =3D=3D 0) { - gBS->RestoreTPL (OriginalTPL); - csr_clear(CSR_SIE, MIP_STIP); // Disable SMode timer int - return; - } - if (mTimerNotifyFunction !=3D NULL) { - mTimerNotifyFunction (mTimerPeriod); - } - RiscvTimer =3D RiscVReadMachineTimerInterface(); - SbiSetTimer (RiscvTimer +=3D mTimerPeriod); - gBS->RestoreTPL (OriginalTPL); - csr_set(CSR_SIE, MIP_STIP); // enable SMode timer int - TimerHandlerReentry =3D FALSE; -} - -/** - - This function registers the handler NotifyFunction so it is called every= time - the timer interrupt fires. It also passes the amount of time since the = last - handler call to the NotifyFunction. If NotifyFunction is NULL, then the - handler is unregistered. If the handler is registered, then EFI_SUCCESS= is - returned. If the CPU does not support registering a timer interrupt han= dler, - then EFI_UNSUPPORTED is returned. If an attempt is made to register a h= andler - when a handler is already registered, then EFI_ALREADY_STARTED is return= ed. - If an attempt is made to unregister a handler when a handler is not regi= stered, - then EFI_INVALID_PARAMETER is returned. If an error occurs attempting to - register the NotifyFunction with the timer interrupt, then EFI_DEVICE_ER= ROR - is returned. - - @param This The EFI_TIMER_ARCH_PROTOCOL instance. - @param NotifyFunction The function to call when a timer interrupt fire= s. This - function executes at TPL_HIGH_LEVEL. The DXE Co= re will - register a handler for the timer interrupt, so i= t can know - how much time has passed. This information is u= sed to - signal timer based events. NULL will unregister= the handler. - - @retval EFI_SUCCESS The timer handler was registered. - @retval EFI_UNSUPPORTED The platform does not support time= r interrupts. - @retval EFI_ALREADY_STARTED NotifyFunction is not NULL, and a = handler is already - registered. - @retval EFI_INVALID_PARAMETER NotifyFunction is NULL, and a hand= ler was not - previously registered. - @retval EFI_DEVICE_ERROR The timer handler could not be reg= istered. - -**/ -EFI_STATUS -EFIAPI -TimerDriverRegisterHandler ( - IN EFI_TIMER_ARCH_PROTOCOL *This, - IN EFI_TIMER_NOTIFY NotifyFunction - ) -{ - DEBUG ((DEBUG_INFO, "TimerDriverRegisterHandler(0x%lx) called\n", Notify= Function)); - mTimerNotifyFunction =3D NotifyFunction; - return EFI_SUCCESS; -} - -/** - - This function adjusts the period of timer interrupts to the value specif= ied - by TimerPeriod. If the timer period is updated, then the selected timer - period is stored in EFI_TIMER.TimerPeriod, and EFI_SUCCESS is returned. = If - the timer hardware is not programmable, then EFI_UNSUPPORTED is returned. - If an error occurs while attempting to update the timer period, then the - timer hardware will be put back in its state prior to this call, and - EFI_DEVICE_ERROR is returned. If TimerPeriod is 0, then the timer inter= rupt - is disabled. This is not the same as disabling the CPU's interrupts. - Instead, it must either turn off the timer hardware, or it must adjust t= he - interrupt controller so that a CPU interrupt is not generated when the t= imer - interrupt fires. - - - @param This The EFI_TIMER_ARCH_PROTOCOL instance. - @param TimerPeriod The rate to program the timer interrupt in 100 nS= units. If - the timer hardware is not programmable, then EFI_= UNSUPPORTED is - returned. If the timer is programmable, then the= timer period - will be rounded up to the nearest timer period th= at is supported - by the timer hardware. If TimerPeriod is set to = 0, then the - timer interrupts will be disabled. - - @retval EFI_SUCCESS The timer period was changed. - @retval EFI_UNSUPPORTED The platform cannot change the period o= f the timer interrupt. - @retval EFI_DEVICE_ERROR The timer period could not be changed d= ue to a device error. - -**/ -EFI_STATUS -EFIAPI -TimerDriverSetTimerPeriod ( - IN EFI_TIMER_ARCH_PROTOCOL *This, - IN UINT64 TimerPeriod - ) -{ - UINT64 RiscvTimer; - - DEBUG ((DEBUG_INFO, "TimerDriverSetTimerPeriod(0x%lx)\n", TimerPeriod)); - - if (TimerPeriod =3D=3D 0) { - mTimerPeriod =3D 0; - csr_clear(CSR_SIE, MIP_STIP); // disable timer int - return EFI_SUCCESS; - } - - mTimerPeriod =3D TimerPeriod; // convert unit from 100ns to 1us - RiscvTimer =3D RiscVReadMachineTimerInterface(); - SbiSetTimer(RiscvTimer + mTimerPeriod / 10); - - mCpu->EnableInterrupt(mCpu); - csr_set(CSR_SIE, MIP_STIP); // enable timer int - return EFI_SUCCESS; -} - -/** - - This function retrieves the period of timer interrupts in 100 ns units, - returns that value in TimerPeriod, and returns EFI_SUCCESS. If TimerPer= iod - is NULL, then EFI_INVALID_PARAMETER is returned. If a TimerPeriod of 0 = is - returned, then the timer is currently disabled. - - - @param This The EFI_TIMER_ARCH_PROTOCOL instance. - @param TimerPeriod A pointer to the timer period to retrieve in 100 = ns units. If - 0 is returned, then the timer is currently disabl= ed. - - @retval EFI_SUCCESS The timer period was returned in TimerPer= iod. - @retval EFI_INVALID_PARAMETER TimerPeriod is NULL. - -**/ -EFI_STATUS -EFIAPI -TimerDriverGetTimerPeriod ( - IN EFI_TIMER_ARCH_PROTOCOL *This, - OUT UINT64 *TimerPeriod - ) -{ - *TimerPeriod =3D mTimerPeriod; - return EFI_SUCCESS; -} - -/** - - This function generates a soft timer interrupt. If the platform does not= support soft - timer interrupts, then EFI_UNSUPPORTED is returned. Otherwise, EFI_SUCCE= SS is returned. - If a handler has been registered through the EFI_TIMER_ARCH_PROTOCOL.Reg= isterHandler() - service, then a soft timer interrupt will be generated. If the timer int= errupt is - enabled when this service is called, then the registered handler will be= invoked. The - registered handler should not be able to distinguish a hardware-generate= d timer - interrupt from a software-generated timer interrupt. - - - @param This The EFI_TIMER_ARCH_PROTOCOL instance. - - @retval EFI_SUCCESS The soft timer interrupt was generated. - @retval EFI_UNSUPPORTEDT The platform does not support the generation o= f soft timer interrupts. - -**/ -EFI_STATUS -EFIAPI -TimerDriverGenerateSoftInterrupt ( - IN EFI_TIMER_ARCH_PROTOCOL *This - ) -{ - return EFI_SUCCESS; -} - -/** - Initialize the Timer Architectural Protocol driver - - @param ImageHandle ImageHandle of the loaded driver - @param SystemTable Pointer to the System Table - - @retval EFI_SUCCESS Timer Architectural Protocol created - @retval EFI_OUT_OF_RESOURCES Not enough resources available to initial= ize driver. - @retval EFI_DEVICE_ERROR A device error occured attempting to init= ialize the driver. - -**/ -EFI_STATUS -EFIAPI -TimerDriverInitialize ( - IN EFI_HANDLE ImageHandle, - IN EFI_SYSTEM_TABLE *SystemTable - ) -{ - EFI_STATUS Status; - - // - // Initialize the pointer to our notify function. - // - mTimerNotifyFunction =3D NULL; - - // - // Make sure the Timer Architectural Protocol is not already installed i= n the system - // - ASSERT_PROTOCOL_ALREADY_INSTALLED (NULL, &gEfiTimerArchProtocolGuid); - - // - // Find the CPU architectural protocol. - // - Status =3D gBS->LocateProtocol (&gEfiCpuArchProtocolGuid, NULL, (VOID **= ) &mCpu); - ASSERT_EFI_ERROR (Status); - - // - // Force the timer to be disabled - // - Status =3D TimerDriverSetTimerPeriod (&mTimer, 0); - ASSERT_EFI_ERROR (Status); - - // - // Install interrupt handler for RISC-V Timer. - // - Status =3D mCpu->RegisterInterruptHandler (mCpu, EXCEPT_RISCV_TIMER_INT,= TimerInterruptHandler); - ASSERT_EFI_ERROR (Status); - - // - // Force the timer to be enabled at its default period - // - Status =3D TimerDriverSetTimerPeriod (&mTimer, DEFAULT_TIMER_TICK_DURATI= ON); - ASSERT_EFI_ERROR (Status); - - // - // Install the Timer Architectural Protocol onto a new handle - // - Status =3D gBS->InstallMultipleProtocolInterfaces ( - &mTimerHandle, - &gEfiTimerArchProtocolGuid, &mTimer, - NULL - ); - ASSERT_EFI_ERROR (Status); - return Status; -} diff --git a/Platform/SiFive/U5SeriesPkg/Universal/Dxe/TimerDxe/Timer.h b/P= latform/SiFive/U5SeriesPkg/Universal/Dxe/TimerDxe/Timer.h deleted file mode 100644 index 8301685c..00000000 --- a/Platform/SiFive/U5SeriesPkg/Universal/Dxe/TimerDxe/Timer.h +++ /dev/null @@ -1,174 +0,0 @@ -/** @file - RISC-V Timer Architectural Protocol definitions for U5 Series platform, - - Copyright (c) 2019, Hewlett Packard Enterprise Development LP. All right= s reserved.
- - SPDX-License-Identifier: BSD-2-Clause-Patent - -**/ - -#ifndef U5_SERIES_TIMER_H_ -#define U5_SERIES_TIMER_H_ - -#include - -#include -#include - -#include -#include -#include -#include -#include - -// -// RISC-V use 100us timer. -// The default timer tick duration is set to 10 ms =3D 10 * 1000 * 10 100 = ns units -// -#define DEFAULT_TIMER_TICK_DURATION 100000 - -extern VOID RiscvSetTimerPeriod (UINT32 TimerPeriod); - -// -// Function Prototypes -// -/** - Initialize the Timer Architectural Protocol driver - - @param ImageHandle ImageHandle of the loaded driver - @param SystemTable Pointer to the System Table - - @retval EFI_SUCCESS Timer Architectural Protocol created - @retval EFI_OUT_OF_RESOURCES Not enough resources available to initial= ize driver. - @retval EFI_DEVICE_ERROR A device error occured attempting to init= ialize the driver. - -**/ -EFI_STATUS -EFIAPI -TimerDriverInitialize ( - IN EFI_HANDLE ImageHandle, - IN EFI_SYSTEM_TABLE *SystemTable - ) -; - -/** - - This function adjusts the period of timer interrupts to the value specif= ied - by TimerPeriod. If the timer period is updated, then the selected timer - period is stored in EFI_TIMER.TimerPeriod, and EFI_SUCCESS is returned. = If - the timer hardware is not programmable, then EFI_UNSUPPORTED is returned. - If an error occurs while attempting to update the timer period, then the - timer hardware will be put back in its state prior to this call, and - EFI_DEVICE_ERROR is returned. If TimerPeriod is 0, then the timer inter= rupt - is disabled. This is not the same as disabling the CPU's interrupts. - Instead, it must either turn off the timer hardware, or it must adjust t= he - interrupt controller so that a CPU interrupt is not generated when the t= imer - interrupt fires. - - - @param This The EFI_TIMER_ARCH_PROTOCOL instance. - @param NotifyFunction The rate to program the timer interrupt in 100 nS= units. If - the timer hardware is not programmable, then EFI_= UNSUPPORTED is - returned. If the timer is programmable, then the= timer period - will be rounded up to the nearest timer period th= at is supported - by the timer hardware. If TimerPeriod is set to = 0, then the - timer interrupts will be disabled. - - @retval EFI_SUCCESS The timer period was changed. - @retval EFI_UNSUPPORTED The platform cannot change the period o= f the timer interrupt. - @retval EFI_DEVICE_ERROR The timer period could not be changed d= ue to a device error. - -**/ -EFI_STATUS -EFIAPI -TimerDriverRegisterHandler ( - IN EFI_TIMER_ARCH_PROTOCOL *This, - IN EFI_TIMER_NOTIFY NotifyFunction - ) -; - -/** - - This function adjusts the period of timer interrupts to the value specif= ied - by TimerPeriod. If the timer period is updated, then the selected timer - period is stored in EFI_TIMER.TimerPeriod, and EFI_SUCCESS is returned. = If - the timer hardware is not programmable, then EFI_UNSUPPORTED is returned. - If an error occurs while attempting to update the timer period, then the - timer hardware will be put back in its state prior to this call, and - EFI_DEVICE_ERROR is returned. If TimerPeriod is 0, then the timer inter= rupt - is disabled. This is not the same as disabling the CPU's interrupts. - Instead, it must either turn off the timer hardware, or it must adjust t= he - interrupt controller so that a CPU interrupt is not generated when the t= imer - interrupt fires. - - - @param This The EFI_TIMER_ARCH_PROTOCOL instance. - @param TimerPeriod The rate to program the timer interrupt in 100 nS= units. If - the timer hardware is not programmable, then EFI_= UNSUPPORTED is - returned. If the timer is programmable, then the= timer period - will be rounded up to the nearest timer period th= at is supported - by the timer hardware. If TimerPeriod is set to = 0, then the - timer interrupts will be disabled. - - @retval EFI_SUCCESS The timer period was changed. - @retval EFI_UNSUPPORTED The platform cannot change the period o= f the timer interrupt. - @retval EFI_DEVICE_ERROR The timer period could not be changed d= ue to a device error. - -**/ -EFI_STATUS -EFIAPI -TimerDriverSetTimerPeriod ( - IN EFI_TIMER_ARCH_PROTOCOL *This, - IN UINT64 TimerPeriod - ) -; - -/** - - This function retrieves the period of timer interrupts in 100 ns units, - returns that value in TimerPeriod, and returns EFI_SUCCESS. If TimerPer= iod - is NULL, then EFI_INVALID_PARAMETER is returned. If a TimerPeriod of 0 = is - returned, then the timer is currently disabled. - - - @param This The EFI_TIMER_ARCH_PROTOCOL instance. - @param TimerPeriod A pointer to the timer period to retrieve in 100 = ns units. If - 0 is returned, then the timer is currently disabl= ed. - - @retval EFI_SUCCESS The timer period was returned in TimerPer= iod. - @retval EFI_INVALID_PARAMETER TimerPeriod is NULL. - -**/ -EFI_STATUS -EFIAPI -TimerDriverGetTimerPeriod ( - IN EFI_TIMER_ARCH_PROTOCOL *This, - OUT UINT64 *TimerPeriod - ) -; - -/** - - This function generates a soft timer interrupt. If the platform does not= support soft - timer interrupts, then EFI_UNSUPPORTED is returned. Otherwise, EFI_SUCCE= SS is returned. - If a handler has been registered through the EFI_TIMER_ARCH_PROTOCOL.Reg= isterHandler() - service, then a soft timer interrupt will be generated. If the timer int= errupt is - enabled when this service is called, then the registered handler will be= invoked. The - registered handler should not be able to distinguish a hardware-generate= d timer - interrupt from a software-generated timer interrupt. - - - @param This The EFI_TIMER_ARCH_PROTOCOL instance. - - @retval EFI_SUCCESS The soft timer interrupt was generated. - @retval EFI_UNSUPPORTEDT The platform does not support the generation o= f soft timer interrupts. - -**/ -EFI_STATUS -EFIAPI -TimerDriverGenerateSoftInterrupt ( - IN EFI_TIMER_ARCH_PROTOCOL *This - ) -; - -#endif diff --git a/Platform/SiFive/U5SeriesPkg/Universal/Dxe/TimerDxe/Timer.uni b= /Platform/SiFive/U5SeriesPkg/Universal/Dxe/TimerDxe/Timer.uni deleted file mode 100644 index 38302244..00000000 --- a/Platform/SiFive/U5SeriesPkg/Universal/Dxe/TimerDxe/Timer.uni +++ /dev/null @@ -1,14 +0,0 @@ -// /** @file -// -// RISC-V Timer Arch protocol strings. -// -// Copyright (c) 2016, Hewlett Packard Enterprise Development LP. All righ= ts reserved.
-// -// SPDX-License-Identifier: BSD-2-Clause-Patent -// -// **/ - - -#string STR_MODULE_ABSTRACT #language en-US "RISC-V timer driv= er that provides Timer Arch protocol" - -#string STR_MODULE_DESCRIPTION #language en-US "RISC-V timer driv= er that provides Timer Arch protocol." diff --git a/Platform/SiFive/U5SeriesPkg/Universal/Dxe/TimerDxe/TimerDxe.in= f b/Platform/SiFive/U5SeriesPkg/Universal/Dxe/TimerDxe/TimerDxe.inf deleted file mode 100644 index 4571621a..00000000 --- a/Platform/SiFive/U5SeriesPkg/Universal/Dxe/TimerDxe/TimerDxe.inf +++ /dev/null @@ -1,54 +0,0 @@ -## @file -# RISC-V Timer Arch protocol module for U5 Series platform -# -# Copyright (c) 2019, Hewlett Packard Enterprise Development LP. All right= s reserved.
-# -# SPDX-License-Identifier: BSD-2-Clause-Patent -# -## - -[Defines] - INF_VERSION =3D 0x0001001b - BASE_NAME =3D Timer - MODULE_UNI_FILE =3D Timer.uni - FILE_GUID =3D 3F75D495-23FF-46B6-9D19-0DECC8A4EA91 - MODULE_TYPE =3D DXE_DRIVER - VERSION_STRING =3D 1.0 - ENTRY_POINT =3D TimerDriverInitialize -# -# The following information is for reference only and not required by the = build -# tools. -# -# VALID_ARCHITECTURES =3D RISCV64 -# -[Packages] - MdePkg/MdePkg.dec - Platform/SiFive/U5SeriesPkg/U5SeriesPkg.dec - Silicon/RISC-V/ProcessorPkg/RiscVProcessorPkg.dec - -[LibraryClasses] - BaseLib - DebugLib - IoLib - MachineModeTimerLib - RiscVCpuLib - RiscVEdk2SbiLib - UefiBootServicesTableLib - UefiDriverEntryPoint - -[Sources] - Timer.h - Timer.c - -[Protocols] - gEfiCpuArchProtocolGuid ## CONSUMES - gEfiTimerArchProtocolGuid ## PRODUCES - -[Pcd] - gUefiRiscVPkgTokenSpaceGuid.PcdRiscVMachineTimerFrequencyInHerz - -[Depex] - gEfiCpuArchProtocolGuid - -[UserExtensions.TianoCore."ExtraFiles"] - TimerExtra.uni diff --git a/Platform/SiFive/U5SeriesPkg/Universal/Dxe/TimerDxe/TimerExtra.= uni b/Platform/SiFive/U5SeriesPkg/Universal/Dxe/TimerDxe/TimerExtra.uni deleted file mode 100644 index cf25ff14..00000000 --- a/Platform/SiFive/U5SeriesPkg/Universal/Dxe/TimerDxe/TimerExtra.uni +++ /dev/null @@ -1,12 +0,0 @@ -// /** @file -// Timer Localized Strings and Content -// -// Copyright (c) 2016, Hewlett Packard Enterprise Development LP. All righ= ts reserved.
-// -// SPDX-License-Identifier: BSD-2-Clause-Patent -// -// **/ - -#string STR_PROPERTIES_MODULE_NAME -#language en-US -"RISC-V Timer DXE Driver" --=20 2.34.1 -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#102594): https://edk2.groups.io/g/devel/message/102594 Mute This Topic: https://groups.io/mt/98099329/1787277 Group Owner: devel+owner@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [importer@patchew.org] -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-