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| author | oliviermartin <oliviermartin@6f19259b-4bc3-4df7-8a09-765794883524> | 2013-05-10 12:49:10 +0000 |
|---|---|---|
| committer | oliviermartin <oliviermartin@6f19259b-4bc3-4df7-8a09-765794883524> | 2013-05-10 12:49:10 +0000 |
| commit | b5a572238d3c45ec8d3d0ec2c6ee3e6930458b96 (patch) | |
| tree | d29b612ce62955afab2a4b4425b9b0a7254cedbc /ArmPlatformPkg/PrePeiCore | |
| parent | 2d45f194d98a1ff4f7d78b96a551d903969262b4 (diff) | |
| download | edk2-b5a572238d3c45ec8d3d0ec2c6ee3e6930458b96.tar.gz edk2-b5a572238d3c45ec8d3d0ec2c6ee3e6930458b96.tar.bz2 edk2-b5a572238d3c45ec8d3d0ec2c6ee3e6930458b96.zip | |
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
Diffstat (limited to 'ArmPlatformPkg/PrePeiCore')
| -rw-r--r-- | ArmPlatformPkg/PrePeiCore/Arm/PrePeiCoreEntryPoint.S | 4 | ||||
| -rw-r--r-- | ArmPlatformPkg/PrePeiCore/Arm/PrePeiCoreEntryPoint.asm | 4 |
2 files changed, 8 insertions, 0 deletions
diff --git a/ArmPlatformPkg/PrePeiCore/Arm/PrePeiCoreEntryPoint.S b/ArmPlatformPkg/PrePeiCore/Arm/PrePeiCoreEntryPoint.S index 3b463eabee..af4350b0cb 100644 --- a/ArmPlatformPkg/PrePeiCore/Arm/PrePeiCoreEntryPoint.S +++ b/ArmPlatformPkg/PrePeiCore/Arm/PrePeiCoreEntryPoint.S @@ -23,11 +23,15 @@ GCC_ASM_IMPORT(CEntryPoint) GCC_ASM_IMPORT(ArmPlatformGetCorePosition)
GCC_ASM_IMPORT(ArmPlatformIsPrimaryCore)
GCC_ASM_IMPORT(ArmReadMpidr)
+GCC_ASM_IMPORT(ArmPlatformPeiBootAction)
GCC_ASM_EXPORT(_ModuleEntryPoint)
StartupAddr: .word CEntryPoint
ASM_PFX(_ModuleEntryPoint):
+ // Do early platform specific actions
+ bl ASM_PFX(ArmPlatformPeiBootAction)
+
// Identify CPU ID
bl ASM_PFX(ArmReadMpidr)
// Keep a copy of the MpId register value
diff --git a/ArmPlatformPkg/PrePeiCore/Arm/PrePeiCoreEntryPoint.asm b/ArmPlatformPkg/PrePeiCore/Arm/PrePeiCoreEntryPoint.asm index 1510fb84d0..be1a767696 100644 --- a/ArmPlatformPkg/PrePeiCore/Arm/PrePeiCoreEntryPoint.asm +++ b/ArmPlatformPkg/PrePeiCore/Arm/PrePeiCoreEntryPoint.asm @@ -22,6 +22,7 @@ IMPORT ArmPlatformGetCorePosition
IMPORT ArmPlatformIsPrimaryCore
IMPORT ArmReadMpidr
+ IMPORT ArmPlatformPeiBootAction
EXPORT _ModuleEntryPoint
PRESERVE8
@@ -30,6 +31,9 @@ StartupAddr DCD CEntryPoint
_ModuleEntryPoint
+ // Do early platform specific actions
+ bl ArmPlatformPeiBootAction
+
// Identify CPU ID
bl ArmReadMpidr
// Keep a copy of the MpId register value
|