Timer DXE driver for U500 platform based U500 platform implementation specifc timer registers.
Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Gilbert Chen <gilbert.c...@hpe.com> --- .../SiFive/U500Pkg/Universal/Dxe/TimerDxe/Timer.c | 317 +++++++++++++++++++++ .../SiFive/U500Pkg/Universal/Dxe/TimerDxe/Timer.h | 179 ++++++++++++ .../U500Pkg/Universal/Dxe/TimerDxe/Timer.uni | Bin 0 -> 1678 bytes .../U500Pkg/Universal/Dxe/TimerDxe/TimerDxe.inf | 54 ++++ .../U500Pkg/Universal/Dxe/TimerDxe/TimerExtra.uni | Bin 0 -> 1374 bytes 5 files changed, 550 insertions(+) create mode 100644 Platform/RiscV/SiFive/U500Pkg/Universal/Dxe/TimerDxe/Timer.c create mode 100644 Platform/RiscV/SiFive/U500Pkg/Universal/Dxe/TimerDxe/Timer.h create mode 100644 Platform/RiscV/SiFive/U500Pkg/Universal/Dxe/TimerDxe/Timer.uni create mode 100644 Platform/RiscV/SiFive/U500Pkg/Universal/Dxe/TimerDxe/TimerDxe.inf create mode 100644 Platform/RiscV/SiFive/U500Pkg/Universal/Dxe/TimerDxe/TimerExtra.uni diff --git a/Platform/RiscV/SiFive/U500Pkg/Universal/Dxe/TimerDxe/Timer.c b/Platform/RiscV/SiFive/U500Pkg/Universal/Dxe/TimerDxe/Timer.c new file mode 100644 index 0000000..8f8eeb6 --- /dev/null +++ b/Platform/RiscV/SiFive/U500Pkg/Universal/Dxe/TimerDxe/Timer.c @@ -0,0 +1,317 @@ +/** @file + RISC-V Timer Architectural Protocol for U500 platform. + + Copyright (c) 2019, Hewlett Packard Enterprise Development LP. All rights reserved.<BR> + + This program and the accompanying materials + are licensed and made available under the terms and conditions of the BSD 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 IMPLIED. +**/ + +#include "Timer.h" +#include <sbi/riscv_asm.h> +#include <sbi/riscv_encoding.h> +#include <sbi/sbi.h> +#include <sbi/riscv_io.h> +#include <sbi/riscv_atomic.h> + +#define CLINT_REG_MTIME 0x0200BFF8 +#define CLINT_REG_MTIMECMP0 0x02004000 +#define CLINT_REG_MTIMECMP1 0x02004008 +#define CLINT_REG_MTIMECMP2 0x02004010 +#define CLINT_REG_MTIMECMP3 0x02004018 +#define CLINT_REG_MTIMECMP4 0x02004020 + +static volatile void * const p_mtime = (void *)CLINT_REG_MTIME; +#define MTIME (*p_mtime) +#define MTIMECMP(i) (p_mtimecmp[i]) + +// +// The handle onto which the Timer Architectural Protocol will be installed +// +EFI_HANDLE mTimerHandle = NULL; + +// +// The Timer Architectural Protocol that this driver produces +// +EFI_TIMER_ARCH_PROTOCOL mTimer = { + 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. +// +EFI_TIMER_NOTIFY mTimerNotifyFunction; + +// +// The current period of the timer interrupt +// +volatile UINT64 mTimerPeriod = 0; + + +/** + 8254 Timer #0 Interrupt Handler. + + @param InterruptType The type of interrupt that occured + @param SystemContext A pointer to the system context when the interrupt occured +**/ + +VOID +EFIAPI +TimerInterruptHandler ( + IN EFI_EXCEPTION_TYPE InterruptType, + IN EFI_SYSTEM_CONTEXT SystemContext + ) +{ + EFI_TPL OriginalTPL; + UINT64 RiscvTimer; + + csr_clear(CSR_SIE, MIP_STIP); // enable timer int + OriginalTPL = gBS->RaiseTPL (TPL_HIGH_LEVEL); + if (mTimerPeriod == 0) { + gBS->RestoreTPL (OriginalTPL); + mCpu->DisableInterrupt(mCpu); + return; + } + if (mTimerNotifyFunction != NULL) { + mTimerNotifyFunction (mTimerPeriod); + } + gBS->RestoreTPL (OriginalTPL); + + + RiscvTimer = readq_relaxed(p_mtime); + sbi_set_timer(RiscvTimer += mTimerPeriod); + csr_set(CSR_SIE, MIP_STIP); // enable timer int + +} + +/** + + 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 handler, + then EFI_UNSUPPORTED is returned. If an attempt is made to register a handler + when a handler is already registered, then EFI_ALREADY_STARTED is returned. + If an attempt is made to unregister a handler when a handler is not registered, + then EFI_INVALID_PARAMETER is returned. If an error occurs attempting to + register the NotifyFunction with the timer interrupt, then EFI_DEVICE_ERROR + is returned. + + @param This The EFI_TIMER_ARCH_PROTOCOL instance. + @param NotifyFunction The function to call when a timer interrupt fires. This + function executes at TPL_HIGH_LEVEL. The DXE Core will + register a handler for the timer interrupt, so it can know + how much time has passed. This information is used 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 timer interrupts. + @retval EFI_ALREADY_STARTED NotifyFunction is not NULL, and a handler is already + registered. + @retval EFI_INVALID_PARAMETER NotifyFunction is NULL, and a handler was not + previously registered. + @retval EFI_DEVICE_ERROR The timer handler could not be registered. + +**/ +EFI_STATUS +EFIAPI +TimerDriverRegisterHandler ( + IN EFI_TIMER_ARCH_PROTOCOL *This, + IN EFI_TIMER_NOTIFY NotifyFunction + ) +{ + DEBUG ((DEBUG_INFO, "TimerDriverRegisterHandler(0x%lx) called\n", NotifyFunction)); + mTimerNotifyFunction = NotifyFunction; + return EFI_SUCCESS; +} + +/** + + This function adjusts the period of timer interrupts to the value specified + 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 interrupt + 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 the + interrupt controller so that a CPU interrupt is not generated when the timer + 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 that 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 of the timer interrupt. + @retval EFI_DEVICE_ERROR The timer period could not be changed due 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 == 0) { + mTimerPeriod = 0; + mCpu->DisableInterrupt(mCpu); + csr_clear(CSR_SIE, MIP_STIP); // disable timer int + return EFI_SUCCESS; + } + + mTimerPeriod = TimerPeriod / 10; // convert unit from 100ns to 1us + + mCpu->EnableInterrupt(mCpu); + csr_set(CSR_SIE, MIP_STIP); // enable timer int + + RiscvTimer = readq_relaxed(p_mtime); + sbi_set_timer(RiscvTimer + mTimerPeriod); + 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 TimerPeriod + 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 disabled. + + @retval EFI_SUCCESS The timer period was returned in TimerPeriod. + @retval EFI_INVALID_PARAMETER TimerPeriod is NULL. + +**/ +EFI_STATUS +EFIAPI +TimerDriverGetTimerPeriod ( + IN EFI_TIMER_ARCH_PROTOCOL *This, + OUT UINT64 *TimerPeriod + ) +{ + *TimerPeriod = 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_SUCCESS is returned. + If a handler has been registered through the EFI_TIMER_ARCH_PROTOCOL.RegisterHandler() + service, then a soft timer interrupt will be generated. If the timer interrupt 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-generated 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 of 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 initialize driver. + @retval EFI_DEVICE_ERROR A device error occured attempting to initialize 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 = NULL; + + // + // Make sure the Timer Architectural Protocol is not already installed in the system + // + ASSERT_PROTOCOL_ALREADY_INSTALLED (NULL, &gEfiTimerArchProtocolGuid); + + // + // Find the CPU architectural protocol. + // + Status = gBS->LocateProtocol (&gEfiCpuArchProtocolGuid, NULL, (VOID **) &mCpu); + ASSERT_EFI_ERROR (Status); + + // + // Force the timer to be disabled + // + Status = TimerDriverSetTimerPeriod (&mTimer, 0); + ASSERT_EFI_ERROR (Status); + + // + // Install interrupt handler for RISC-V Timer. + // + Status = mCpu->RegisterInterruptHandler (mCpu, EXCEPT_RISCV_TIMER_INT, TimerInterruptHandler); + ASSERT_EFI_ERROR (Status); + + // + // Force the timer to be enabled at its default period + // + Status = TimerDriverSetTimerPeriod (&mTimer, DEFAULT_TIMER_TICK_DURATION); + ASSERT_EFI_ERROR (Status); + + // + // Install the Timer Architectural Protocol onto a new handle + // + Status = gBS->InstallMultipleProtocolInterfaces ( + &mTimerHandle, + &gEfiTimerArchProtocolGuid, &mTimer, + NULL + ); + ASSERT_EFI_ERROR (Status); + return Status; +} + diff --git a/Platform/RiscV/SiFive/U500Pkg/Universal/Dxe/TimerDxe/Timer.h b/Platform/RiscV/SiFive/U500Pkg/Universal/Dxe/TimerDxe/Timer.h new file mode 100644 index 0000000..ed2e19b --- /dev/null +++ b/Platform/RiscV/SiFive/U500Pkg/Universal/Dxe/TimerDxe/Timer.h @@ -0,0 +1,179 @@ +/** @file + RISC-V Timer Architectural Protocol definitions for U500 platform, + + Copyright (c) 2019, Hewlett Packard Enterprise Development LP. All rights reserved.<BR> + + This program and the accompanying materials + are licensed and made available under the terms and conditions of the BSD 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 IMPLIED. +**/ + +#ifndef _TIMER_H_ +#define _TIMER_H_ + +#include <PiDxe.h> + +#include <Protocol/Cpu.h> +#include <Protocol/Timer.h> + +#include <Library/UefiBootServicesTableLib.h> +#include <Library/BaseLib.h> +#include <Library/DebugLib.h> +#include <Library/IoLib.h> +#include <Library/RiscVCpuLib.h> + +// +// RISC-V use 100us timer. +// The default timer tick duration is set to 10 ms = 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 initialize driver. + @retval EFI_DEVICE_ERROR A device error occured attempting to initialize 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 specified + 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 interrupt + 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 the + interrupt controller so that a CPU interrupt is not generated when the timer + 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 that 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 of the timer interrupt. + @retval EFI_DEVICE_ERROR The timer period could not be changed due 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 specified + 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 interrupt + 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 the + interrupt controller so that a CPU interrupt is not generated when the timer + 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 that 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 of the timer interrupt. + @retval EFI_DEVICE_ERROR The timer period could not be changed due 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 TimerPeriod + 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 disabled. + + @retval EFI_SUCCESS The timer period was returned in TimerPeriod. + @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_SUCCESS is returned. + If a handler has been registered through the EFI_TIMER_ARCH_PROTOCOL.RegisterHandler() + service, then a soft timer interrupt will be generated. If the timer interrupt 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-generated 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 of soft timer interrupts. + +**/ +EFI_STATUS +EFIAPI +TimerDriverGenerateSoftInterrupt ( + IN EFI_TIMER_ARCH_PROTOCOL *This + ) +; + +#endif diff --git a/Platform/RiscV/SiFive/U500Pkg/Universal/Dxe/TimerDxe/Timer.uni b/Platform/RiscV/SiFive/U500Pkg/Universal/Dxe/TimerDxe/Timer.uni new file mode 100644 index 0000000000000000000000000000000000000000..173c8f47c316cbff43773e0f44d7c373f0bca3bb GIT binary patch literal 1678 zcmd6nPjAye5XI+=#CNdL3!pXu4jd3dB*Z{OsiV}Pa6<WC3nxK|Ny(Q7es4C8n<_{> zBFnq8yR&cJyq(=YzZ=%Di2n&+WN&P0ndLUIhxUNk#=eiNXC1q=w{~Wq@l5fX<F~?Y z(vIvJ>j&1-3jPs)&di$83g3mzu<Lug5<dcQ$-b?7%|I#G^@#nC>7UzEduA`}6#E0w zZk$`;K3yB&^__NQW7cD06wXL2GNMhGZPRY}bB`j%@`~)-y08)V+<9t8h`wfag`f7X zeD4^~SJpy-*GKrLa8|T3`x(0iXcN&coLPZ~xQMTGnUk;9wmV%SW(GU%8CDKjrH}H{ z?i}wC*20-7;}T!H$GZp{Y@Oi1hP2xE(^-U*DwzbG=FYlA5i{}4V3N75oR(BX#7xMb zMFq4OpC53kxZb!Hp%(6Do54ni!U}pRR#_iIc$RT>E~>B)bIM9MBeDL4*IibJ$^<pH zcnv-ODLDiUq*!rFS=Cy>S-kX0R}}_z<*$mKaPCX28S95J*31myKIS$YuGB%f=C3rV ztdts#;nk&*5_?bEv`>t6uT-h(Q@>{|>tn^Pb>A-NW9FqvK&Z~4!~KczxOC(MOEs;w zMlW2U*63S4*68#WyDQd(ns~&>uJGzPvkT@spb8`L=siZ_t~td_@s*FF2CsMcD*9LY zkF1Ef?ryw`60(Tx%O0mf@1RAO%2Les(U(GRRCtl3ss59F{pfv(U?Kg!fs}yJ2Q6mQ zB=@k=M6DFRe|;yMrtZUx3K-Dp{-`F-z!K9M=u)tJ1y!--D>$Z7GJh}hCaTI+ZRM-5 lVNG{*&CLDY&YEX<|14D_VkU;&{ka^=^nc2-j;7^l{srBn12O;r literal 0 HcmV?d00001 diff --git a/Platform/RiscV/SiFive/U500Pkg/Universal/Dxe/TimerDxe/TimerDxe.inf b/Platform/RiscV/SiFive/U500Pkg/Universal/Dxe/TimerDxe/TimerDxe.inf new file mode 100644 index 0000000..9cac99b --- /dev/null +++ b/Platform/RiscV/SiFive/U500Pkg/Universal/Dxe/TimerDxe/TimerDxe.inf @@ -0,0 +1,54 @@ +## @file +# RISC-V Timer Arch protocol module for U500 platform +# +# Copyright (c) 2019, Hewlett Packard Enterprise Development LP. All rights reserved.<BR> +# +# This program and the accompanying materials +# are licensed and made available under the terms and conditions of the BSD 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 IMPLIED. +# +## + +[Defines] + INF_VERSION = 0x00010005 + BASE_NAME = Timer + MODULE_UNI_FILE = Timer.uni + FILE_GUID = 3F75D495-23FF-46B6-9D19-0DECC8A4EA91 + MODULE_TYPE = DXE_DRIVER + VERSION_STRING = 1.0 + + ENTRY_POINT = TimerDriverInitialize + +[Packages] + MdePkg/MdePkg.dec + RiscVPkg/RiscVPkg.dec + +[LibraryClasses] + UefiBootServicesTableLib + BaseLib + DebugLib + UefiDriverEntryPoint + IoLib + RiscVCpuLib + RiscVOpensbiLib + +[Sources] + Timer.h + Timer.c + +[Protocols] + gEfiCpuArchProtocolGuid ## CONSUMES + gEfiTimerArchProtocolGuid ## PRODUCES + +[Pcd] + gUefiRiscVPkgTokenSpaceGuid.PcdRiscVMachineTimerFrequencyInHerz + +[Depex] + gEfiCpuArchProtocolGuid + +[UserExtensions.TianoCore."ExtraFiles"] + TimerExtra.uni diff --git a/Platform/RiscV/SiFive/U500Pkg/Universal/Dxe/TimerDxe/TimerExtra.uni b/Platform/RiscV/SiFive/U500Pkg/Universal/Dxe/TimerDxe/TimerExtra.uni new file mode 100644 index 0000000000000000000000000000000000000000..0db560f27965e588e37f60f42ff6a9910786c80a GIT binary patch literal 1374 zcmZXUTW=Ck6ovP*iT`0jU(~dqKKNja5z1(ZElenQd1?k|=|m`Gz*hY6>bLgHnW31; zoXftfz0Nv&=I@`DwJhR&!4ugByRpm`c5P4X30C<=Se96F*5|gesij0@_8Z#_+of&s zWp-zC+pter$$m=g9lmQH174U5|Jrt*JGWaRBYOt=bLQ9f(q7pcJ7#?b!h>_#dQ3uv zsr_Kgy-r+K$!+ae8{#ADGT!qpV6k@o;-V8I)?{wuSul%vQC-|~GL)Zt?u^KH*0G_z zuk@(-kKmm7iB)$6N)D$bC_#ZO5#l1gQzDiyk#AS36=6wTA+eCEo2rho#3sU;ku4R) zOv(m)WzWhA_pEhusZAJ__md2Hb#H-*ZX>7a{ymAAA~T{gU(36q6Y9JUx7=la{)kJh z#e-`xW&HoN88w9{4uxK-wPCMQPv9Bq>R!}ug=#l=iaQePUql_UdaO*L=8mWd@e%x2 zr3T`(-BVV*w&gC~dWWk&3Uw8qyVgx|b8fVCp#BES1nx6CIq)<=x#bO-gjwe~vlu=J zeKfF7jBUGM-$PUNspb*Z9-TI36}!@7>odpLYlQk1dVF0m5toiUV5N@M*kBf}P#er0 z-)nbVaf|FLe(@T3MeW;E60<(`9;m_?c=aJWahFXsM?@(`Rg0*P#47VU^JhF_t}iz( zs}!e*?OTOYqxaAvp|4c4%l8&^3v=Xurk2}fJE}TI{~P^%q}^4iZUV}%I>8m#15n4{ z$HequdBG}jv?Fd%U(%dgPZ`xS>Vp&F#ZT25ph>$^tY5J0{|mdEM_66&WBqG#;*}NN EfA`naA^-pY literal 0 HcmV?d00001 -- 2.7.4 -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. 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