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PcAtChipsetPkg/PcatRealTimeClockRuntimeDxe: Replace RTC macros 

Use FixedPCD's to set platform-specific values for RTC registers.

Specifically, the replaced macros are:
1) RTC_INIT_REGISTER_A
2) RTC_INIT_REGISTER_B
3) RTC_INIT_REGISTER_D

Cc: Ruiyu Ni <ruiyu.ni@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Leo Duran <leo.duran@amd.com>
Reviewed-by: Ruiyu Ni <ruiyu.ni@intel.com>
This commit is contained in:
Leo Duran 2017-11-01 01:52:42 +08:00 committed by Ruiyu Ni
parent e78aab9d2f
commit 8794bf26c6
3 changed files with 16 additions and 12 deletions
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8
PcAtChipsetPkg/PcatRealTimeClockRuntimeDxe/PcRtc.c
View File

@ -2,6 +2,8 @@
RTC Architectural Protocol GUID as defined in DxeCis 0.96.
Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2017, AMD Inc. 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
@ -128,7 +130,7 @@ PcRtcInit (
// Make sure Division Chain is properly configured,
// or RTC clock won't "tick" -- time won't increment
//
RegisterA.Data = RTC_INIT_REGISTER_A;
RegisterA.Data = FixedPcdGet8 (PcdInitialValueRtcRegisterA);
RtcWrite (RTC_ADDRESS_REGISTER_A, RegisterA.Data);
//
@ -144,7 +146,7 @@ PcRtcInit (
//
// Clear RTC register D
//
RegisterD.Data = RTC_INIT_REGISTER_D;
RegisterD.Data = FixedPcdGet8 (PcdInitialValueRtcRegisterD);
RtcWrite (RTC_ADDRESS_REGISTER_D, RegisterD.Data);
//
@ -176,7 +178,7 @@ PcRtcInit (
// Set RTC configuration after get original time
// The value of bit AIE should be reserved.
//
RegisterB.Data = RTC_INIT_REGISTER_B | (RegisterB.Data & BIT5);
RegisterB.Data = FixedPcdGet8 (PcdInitialValueRtcRegisterB) | (RegisterB.Data & BIT5);
RtcWrite (RTC_ADDRESS_REGISTER_B, RegisterB.Data);
//

9
PcAtChipsetPkg/PcatRealTimeClockRuntimeDxe/PcRtc.h
View File

@ -2,6 +2,8 @@
Header file for real time clock driver.
Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2017, AMD Inc. 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
@ -75,13 +77,6 @@ extern PC_RTC_MODULE_GLOBALS mModuleGlobal;
#define RTC_INIT_DAY 1
#define RTC_INIT_MONTH 1
//
// Register initial values
//
#define RTC_INIT_REGISTER_A 0x26
#define RTC_INIT_REGISTER_B 0x02
#define RTC_INIT_REGISTER_D 0x0
#pragma pack(1)
//
// Register A

11
PcAtChipsetPkg/PcatRealTimeClockRuntimeDxe/PcatRealTimeClockRuntimeDxe.inf
View File

@ -5,6 +5,8 @@
# It will install a tagging protocol with gEfiRealTimeClockArchProtocolGuid.
#
# Copyright (c) 2006 - 2015, Intel Corporation. All rights reserved.<BR>
# Copyright (c) 2017, AMD Inc. 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
@ -66,13 +68,18 @@
## SOMETIMES_CONSUMES ## SystemTable
gEfiAcpiTableGuid
[Depex]
gEfiVariableArchProtocolGuid AND gEfiVariableWriteArchProtocolGuid
[FixedPcd]
gPcAtChipsetPkgTokenSpaceGuid.PcdInitialValueRtcRegisterA ## CONSUMES
gPcAtChipsetPkgTokenSpaceGuid.PcdInitialValueRtcRegisterB ## CONSUMES
gPcAtChipsetPkgTokenSpaceGuid.PcdInitialValueRtcRegisterD ## CONSUMES
[Pcd]
gEfiMdeModulePkgTokenSpaceGuid.PcdRealTimeClockUpdateTimeout ## CONSUMES
gPcAtChipsetPkgTokenSpaceGuid.PcdMinimalValidYear ## CONSUMES
gPcAtChipsetPkgTokenSpaceGuid.PcdMaximalValidYear ## CONSUMES
[Depex]
gEfiVariableArchProtocolGuid AND gEfiVariableWriteArchProtocolGuid
[UserExtensions.TianoCore."ExtraFiles"]
PcRtcExtra.uni