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From: "Abner Chang" <abner.chang@hpe.com>
To: devel@edk2.groups.io
Cc: abner.chang@hpe.com,
	Michael D Kinney <michael.d.kinney@intel.com>,
	Ard Biesheuvel <ard.biesheuvel@linaro.org>,
	Leif Lindholm <leif.lindholm@linaro.org>,
	Gilbert Chen <gilbert.chen@hpe.com>,
	Palmer Dabbelt <palmer@sifive.com>
Subject: [platform/devel-riscv-v2 PATCHv5 06/18] U5SeriesPkg/TimerDxe: U5 Series Platform Timer DXE driver.
Date: Mon, 28 Oct 2019 12:20:21 +0800	[thread overview]
Message-ID: <1572236433-15404-7-git-send-email-abner.chang@hpe.com> (raw)
In-Reply-To: <1572236433-15404-1-git-send-email-abner.chang@hpe.com>

Timer DXE implementation for U5 series platform.

Signed-off-by: Abner Chang <abner.chang@hpe.com>

Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Leif Lindholm <leif.lindholm@linaro.org>
Cc: Gilbert Chen <gilbert.chen@hpe.com>
Cc: Palmer Dabbelt <palmer@sifive.com>
Signed-off-by: Abner Chang <abner.chang@hpe.com>
---
 .../Universal/Dxe/TimerDxe/TimerDxe.inf            |  53 ++++
 .../U5SeriesPkg/Universal/Dxe/TimerDxe/Timer.h     | 174 ++++++++++++
 .../U5SeriesPkg/Universal/Dxe/TimerDxe/Timer.c     | 304 +++++++++++++++++++++
 .../U5SeriesPkg/Universal/Dxe/TimerDxe/Timer.uni   |  14 +
 .../Universal/Dxe/TimerDxe/TimerExtra.uni          |  12 +
 5 files changed, 557 insertions(+)
 create mode 100644 Platform/SiFive/U5SeriesPkg/Universal/Dxe/TimerDxe/TimerDxe.inf
 create mode 100644 Platform/SiFive/U5SeriesPkg/Universal/Dxe/TimerDxe/Timer.h
 create mode 100644 Platform/SiFive/U5SeriesPkg/Universal/Dxe/TimerDxe/Timer.c
 create mode 100644 Platform/SiFive/U5SeriesPkg/Universal/Dxe/TimerDxe/Timer.uni
 create mode 100644 Platform/SiFive/U5SeriesPkg/Universal/Dxe/TimerDxe/TimerExtra.uni

diff --git a/Platform/SiFive/U5SeriesPkg/Universal/Dxe/TimerDxe/TimerDxe.inf b/Platform/SiFive/U5SeriesPkg/Universal/Dxe/TimerDxe/TimerDxe.inf
new file mode 100644
index 0000000..413f2e5
--- /dev/null
+++ b/Platform/SiFive/U5SeriesPkg/Universal/Dxe/TimerDxe/TimerDxe.inf
@@ -0,0 +1,53 @@
+## @file
+# RISC-V Timer Arch protocol module for U5 Series platform
+#
+# Copyright (c) 2019, Hewlett Packard Enterprise Development LP. All rights reserved.<BR>
+#
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+##
+
+[Defines]
+  INF_VERSION                    = 0x0001001b
+  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
+#
+# The following information is for reference only and not required by the build
+# tools.
+#
+#  VALID_ARCHITECTURES           = RISCV64
+#
+[Packages]
+  MdePkg/MdePkg.dec
+  Platform/SiFive/U5SeriesPkg/U5SeriesPkg.dec
+  RiscVPkg/RiscVPkg.dec
+
+[LibraryClasses]
+  BaseLib
+  DebugLib
+  IoLib
+  RiscVCpuLib
+  RiscVOpensbiLib
+  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/Timer.h b/Platform/SiFive/U5SeriesPkg/Universal/Dxe/TimerDxe/Timer.h
new file mode 100644
index 0000000..8301685
--- /dev/null
+++ b/Platform/SiFive/U5SeriesPkg/Universal/Dxe/TimerDxe/Timer.h
@@ -0,0 +1,174 @@
+/** @file
+  RISC-V Timer Architectural Protocol definitions for U5 Series platform,
+
+  Copyright (c) 2019, Hewlett Packard Enterprise Development LP. All rights reserved.<BR>
+
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef U5_SERIES_TIMER_H_
+#define U5_SERIES_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/SiFive/U5SeriesPkg/Universal/Dxe/TimerDxe/Timer.c b/Platform/SiFive/U5SeriesPkg/Universal/Dxe/TimerDxe/Timer.c
new file mode 100644
index 0000000..6217227
--- /dev/null
+++ b/Platform/SiFive/U5SeriesPkg/Universal/Dxe/TimerDxe/Timer.c
@@ -0,0 +1,304 @@
+/** @file
+  RISC-V Timer Architectural Protocol for U5 series platform.
+
+  Copyright (c) 2019, Hewlett Packard Enterprise Development LP. All rights reserved.<BR>
+
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#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>
+#include <U5Clint.h>
+
+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
+//
+STATIC 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.
+//
+STATIC EFI_TIMER_NOTIFY mTimerNotifyFunction;
+
+//
+// The current period of the timer interrupt
+//
+STATIC UINT64 mTimerPeriod = 0;
+
+/**
+  U5 Series Timer 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); // Disable timer int
+  csr_clear(CSR_SIP, MIP_STIP);
+  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
+
+  RiscvTimer = readq_relaxed(p_mtime);
+  sbi_set_timer(RiscvTimer + mTimerPeriod);
+
+  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 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/SiFive/U5SeriesPkg/Universal/Dxe/TimerDxe/Timer.uni b/Platform/SiFive/U5SeriesPkg/Universal/Dxe/TimerDxe/Timer.uni
new file mode 100644
index 0000000..3830224
--- /dev/null
+++ b/Platform/SiFive/U5SeriesPkg/Universal/Dxe/TimerDxe/Timer.uni
@@ -0,0 +1,14 @@
+// /** @file
+//
+// RISC-V Timer Arch protocol strings.
+//
+// Copyright (c) 2016, Hewlett Packard Enterprise Development LP. All rights reserved.<BR>
+//
+// SPDX-License-Identifier: BSD-2-Clause-Patent
+//
+// **/
+
+
+#string STR_MODULE_ABSTRACT             #language en-US "RISC-V timer driver that provides Timer Arch protocol"
+
+#string STR_MODULE_DESCRIPTION          #language en-US "RISC-V timer driver that provides Timer Arch protocol."
diff --git a/Platform/SiFive/U5SeriesPkg/Universal/Dxe/TimerDxe/TimerExtra.uni b/Platform/SiFive/U5SeriesPkg/Universal/Dxe/TimerDxe/TimerExtra.uni
new file mode 100644
index 0000000..cf25ff1
--- /dev/null
+++ b/Platform/SiFive/U5SeriesPkg/Universal/Dxe/TimerDxe/TimerExtra.uni
@@ -0,0 +1,12 @@
+// /** @file
+// Timer Localized Strings and Content
+//
+// Copyright (c) 2016, Hewlett Packard Enterprise Development LP. All rights reserved.<BR>
+//
+// SPDX-License-Identifier: BSD-2-Clause-Patent
+//
+// **/
+
+#string STR_PROPERTIES_MODULE_NAME
+#language en-US
+"RISC-V Timer DXE Driver"
-- 
2.7.4


  parent reply	other threads:[~2019-10-28  4:52 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-28  4:20 [platform/devel-riscv-v2 PATCHv5 00/18] Initial version of RISC-V Abner Chang
2019-10-28  4:20 ` [platform/devel-riscv-v2 PATCHv5 01/18] Silicon/SiFive: Initial version of SiFive silicon package Abner Chang
2019-10-28  4:20 ` [platform/devel-riscv-v2 PATCHv5 02/18] SiFive/E51: Initial version of SiFive E51 core library Abner Chang
2019-10-28  4:20 ` [platform/devel-riscv-v2 PATCHv5 03/18] SiFive/U54: Initial version of SiFive U54 " Abner Chang
2019-10-28  4:20 ` [platform/devel-riscv-v2 PATCHv5 04/18] SiFive/U54MC: Initial version of SiFive U54MC Coreplex library Abner Chang
2019-10-28  4:20 ` [platform/devel-riscv-v2 PATCHv5 05/18] U5SeriesPkg/PeiCoreInfoHobLib: Library to create core information Abner Chang
2019-10-28  4:20 ` Abner Chang [this message]
2019-10-28  4:20 ` [platform/devel-riscv-v2 PATCHv5 07/18] U5SeriesPkg/RamFvbServicesRuntimeDxe: Firmware Volume Block service Abner Chang
2019-10-28  4:20 ` [platform/devel-riscv-v2 PATCHv5 08/18] U5SeriesPkg/RiscVPlatformTimerLib: Platform Timer library Abner Chang
2019-10-28  4:20 ` [platform/devel-riscv-v2 PATCHv5 09/18] U5SeriesPkg/SerialIoLib: Platform Serial Port library Abner Chang
2019-11-19 15:30   ` [edk2-devel] " Mark Salter
2019-10-28  4:20 ` [platform/devel-riscv-v2 PATCHv5 10/18] FreedomU540HiFiveUnleashedBoard/PlatformPei:Platform PEI Abner Chang
2019-10-28  4:20 ` [platform/devel-riscv-v2 PATCHv5 11/18] FreedomU540HiFiveUnleashedBoard/OpensbiPlatformLib:OpenSBI platform lib Abner Chang
2019-11-19 15:30   ` [edk2-devel] " Mark Salter
2019-10-28  4:20 ` [platform/devel-riscv-v2 PATCHv5 12/18] U5SeriesPkg/FreedomU540HiFiveUnleashedBoard: Add SiFive U540 platform Abner Chang
2019-10-28  4:20 ` [platform/devel-riscv-v2 PATCHv5 13/18] FreedomU500VC707Board/PlatformPei: Platform initialization PEI module Abner Chang
2019-10-28  4:20 ` [platform/devel-riscv-v2 PATCHv5 14/18] FreedomU500VC707Board/OpensbiPlatformLib: OpenSBI platform interface Abner Chang
2019-10-28  4:20 ` [platform/devel-riscv-v2 PATCHv5 15/18] U5SeriesPkg/FreedomU500VC707Board: Add SiFive U500 platform Abner Chang
2019-10-28  4:20 ` [platform/devel-riscv-v2 PATCHv5 16/18] SiFive/U5SeriesPkg Add U5SeriesPkg Abner Chang
2019-10-28  4:20 ` [platform/devel-riscv-v2 PATCHv5 17/18] edk2-platforms: Update Readme.md for RISC-V platform Abner Chang
2019-10-28  4:20 ` [platform/devel-riscv-v2 PATCHv5 18/18] edk2-platforms: Update Maintainers file Abner Chang
2019-11-26 15:22 ` [edk2-devel] [platform/devel-riscv-v2 PATCHv5 00/18] Initial version of RISC-V Leif Lindholm
2019-12-22  6:09   ` Abner Chang

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