ArmPlatform/ArmPlatformLib: Introduced ArmPlatformPeiBootAction()

This function allows platform to do any specific actions prior to
the start the PEI phase.
For instance, this function could be used by some platforms to initialize clocks that
are required at the early stage of the PEI phase.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Olivier Martin <olivier.martin@arm.com>
Acked-by: Ryan Harkin <ryan.harkin@linaro.org>
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>



git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14347 6f19259b-4bc3-4df7-8a09-765794883524

ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibCTA15-A7/CTA15-A7Helper.S

@@ -17,11 +17,15 @@
 #include <ArmPlatform.h>
 
 .text 
-.align 3
+.align 2
 
+GCC_ASM_EXPORT(ArmPlatformPeiBootAction)
 GCC_ASM_EXPORT(ArmPlatformGetCorePosition)
 GCC_ASM_EXPORT(ArmPlatformIsPrimaryCore)
 
+ASM_PFX(ArmPlatformPeiBootAction):
+  bx    lr
+
 //UINTN
 //ArmPlatformGetCorePosition (
 //  IN UINTN MpId

ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibCTA15-A7/CTA15-A7Helper.asm

@@ -18,12 +18,17 @@
 
   INCLUDE AsmMacroIoLib.inc
 
+  EXPORT  ArmPlatformPeiBootAction
   EXPORT  ArmPlatformGetCorePosition
   EXPORT  ArmPlatformIsPrimaryCore
 
   PRESERVE8
   AREA    CTA15A7Helper, CODE, READONLY
 
+ArmPlatformPeiBootAction FUNCTION
+  bx    lr
+  ENDFUNC
+
 //UINTN
 //ArmPlatformGetCorePosition (
 //  IN UINTN MpId

ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibCTA9x4/ArmVExpressLib.inf

@@ -1,5 +1,5 @@
 #/* @file
-#  Copyright (c) 2011-2012, ARM Limited. All rights reserved.
+#  Copyright (c) 2011-2013, ARM Limited. All rights reserved.
 #  
 #  This program and the accompanying materials                          
 #  are licensed and made available under the terms and conditions of the BSD License         
@@ -37,6 +37,8 @@
   SerialPortLib
 
 [Sources.common]
+  CTA9x4Helper.asm    | RVCT
+  CTA9x4Helper.S      | GCC
   CTA9x4.c
   CTA9x4Mem.c
   CTA9x4Helper.S   | GCC

ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibCTA9x4/CTA9x4Helper.S

@@ -17,8 +17,8 @@
 .text
 .align 2
 
+GCC_ASM_EXPORT(ArmPlatformPeiBootAction)
 GCC_ASM_EXPORT(ArmPlatformIsPrimaryCore)
-GCC_ASM_EXPORT(ArmPlatformGetPrimaryCoreMpId)
 GCC_ASM_EXPORT(ArmPlatformGetCorePosition)
 
 GCC_ASM_IMPORT(_gPcd_FixedAtBuild_PcdArmPrimaryCore)
@@ -56,4 +56,7 @@ ASM_PFX(ArmPlatformGetCorePosition):
   and   r0, r0, #ARM_CORE_MASK
   bx    lr
 
+ASM_PFX(ArmPlatformPeiBootAction):
+  bx    lr
+
 ASM_FUNCTION_REMOVE_IF_UNREFERENCED

ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibCTA9x4/CTA9x4Helper.asm

@@ -18,6 +18,7 @@
 
   INCLUDE AsmMacroIoLib.inc
 
+  EXPORT  ArmPlatformPeiBootAction
   EXPORT  ArmPlatformIsPrimaryCore
   EXPORT  ArmPlatformGetPrimaryCoreMpId
   EXPORT  ArmPlatformGetCorePosition
@@ -62,4 +63,8 @@ ArmPlatformGetCorePosition FUNCTION
   bx    lr
   ENDFUNC
 
+ArmPlatformPeiBootAction FUNCTION
+  bx    lr
+  ENDFUNC
+
   END

ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibRTSM/Arm/RTSMHelper.S

@@ -16,12 +16,14 @@
 #include <Library/ArmLib.h>
 #include <Library/PcdLib.h>
 #include <AutoGen.h>
+#include "AsmMacroIoLib.inc"
 
 #include <Chipset/ArmCortexA9.h>
 
 .text
 .align 2
 
+GCC_ASM_EXPORT(ArmPlatformPeiBootAction)
 GCC_ASM_EXPORT(ArmGetCpuCountPerCluster)
 GCC_ASM_EXPORT(ArmPlatformIsPrimaryCore)
 GCC_ASM_EXPORT(ArmPlatformGetPrimaryCoreMpId)
@@ -30,6 +32,9 @@ GCC_ASM_EXPORT(ArmPlatformGetCorePosition)
 GCC_ASM_IMPORT(_gPcd_FixedAtBuild_PcdArmPrimaryCore)
 GCC_ASM_IMPORT(_gPcd_FixedAtBuild_PcdArmPrimaryCoreMask)
 
+ASM_PFX(ArmPlatformPeiBootAction):
+  bx    lr
+
 # IN None
 # OUT r0 = SCU Base Address
 ASM_PFX(ArmGetScuBaseAddress):
@@ -37,7 +42,7 @@ ASM_PFX(ArmGetScuBaseAddress):
   # the Configuration BAR as a stack is not necessary setup. The SCU is at the
   # offset 0x0000 from the Private Memory Region.
   mrc   p15, 4, r0, c15, c0, 0
-  bx  lr
+  bx    lr
 
 //UINTN
 //ArmPlatformGetPrimaryCoreMpId (

ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibRTSM/Arm/RTSMHelper.asm

@@ -22,6 +22,7 @@
 
   INCLUDE AsmMacroIoLib.inc
 
+  EXPORT    ArmPlatformPeiBootAction
   EXPORT    ArmGetCpuCountPerCluster
   EXPORT    ArmPlatformIsPrimaryCore
   EXPORT    ArmPlatformGetPrimaryCoreMpId
@@ -32,6 +33,10 @@
 
   AREA RTSMHelper, CODE, READONLY
 
+ArmPlatformPeiBootAction FUNCTION
+  bx    lr
+  ENDFUNC
+
 // IN None
 // OUT r0 = SCU Base Address
 ArmGetScuBaseAddress FUNCTION