diff options
| author | Olivier Deprez <o-deprez@ti.com> | 2013-03-01 16:13:27 +0100 |
|---|---|---|
| committer | Leif Lindholm <leif.lindholm@linaro.org> | 2014-01-24 15:44:18 +0000 |
| commit | c185f476af447cc731a58c1db8d7a6adb8646ce6 (patch) | |
| tree | 7197c1a39266e764b604f225f2e5e9e61aac1ec9 | |
| parent | 26bdc3b3fe4be268ead1bf6d5d79ebcb74a0ccd6 (diff) | |
panda: add ArmPlatformPkg PrePi early call patch
panda needs early init to fix dram timings
add the appropriate patch to PandaBoardPkg/patches directory
Signed-off-by: Steven Kinney <steven.kinney@linaro.org>
| -rw-r--r-- | PandaBoardPkg/patches/0001-Add-call-to-early-prepi-init-in-ModuleEntryPoint.patch | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/PandaBoardPkg/patches/0001-Add-call-to-early-prepi-init-in-ModuleEntryPoint.patch b/PandaBoardPkg/patches/0001-Add-call-to-early-prepi-init-in-ModuleEntryPoint.patch new file mode 100644 index 000000000..15b4d7f9a --- /dev/null +++ b/PandaBoardPkg/patches/0001-Add-call-to-early-prepi-init-in-ModuleEntryPoint.patch @@ -0,0 +1,35 @@ +From 9a22e1fed42e2ece74ae06546bc300bd0202e1ad Mon Sep 17 00:00:00 2001 +From: Olivier Deprez <o-deprez@ti.com> +Date: Fri, 1 Mar 2013 16:03:11 +0100 +Subject: [PATCH] Add call to early prepi init in ModuleEntryPoint + +omap4 requires an early call to an inner asm function to work +around a rom mask issue tied to dram initialization. +--- + ArmPlatformPkg/PrePi/ModuleEntryPoint.S | 4 ++++ + 1 file changed, 4 insertions(+) + +diff --git a/ArmPlatformPkg/PrePi/ModuleEntryPoint.S b/ArmPlatformPkg/PrePi/ModuleEntryPoint.S +index c0c20a9..66f0701 100755 +--- a/ArmPlatformPkg/PrePi/ModuleEntryPoint.S ++++ b/ArmPlatformPkg/PrePi/ModuleEntryPoint.S +@@ -24,12 +24,16 @@ + GCC_ASM_IMPORT(CEntryPoint) + GCC_ASM_IMPORT(ArmReadMpidr) + GCC_ASM_IMPORT(ArmPlatformStackSet) ++GCC_ASM_IMPORT(ArmPlatformPrePiBootAction) + GCC_ASM_EXPORT(_ModuleEntryPoint) + + StartupAddr: .word CEntryPoint + + + ASM_PFX(_ModuleEntryPoint): ++ // Perform early PrePi init ++ bl ASM_PFX(ArmPlatformPrePiBootAction) ++ + // Get ID of this CPU in Multicore system + bl ASM_PFX(ArmReadMpidr) + LoadConstantToReg (FixedPcdGet32(PcdArmPrimaryCoreMask), r1) +-- +1.7.9.5 + |