On 5/4/20 1:15 PM, Pete Batard wrote:
The previous commit ensures that gSerialLibCoreClockFreq contains the VPU
core frequency by the time we execute ArmPlatformGetVirtualMemoryMap ().
This value can prove useful for troubleshooting, so report it.
Signed-off-by: Pete Batard <p...@akeo.ie>
---
Platform/RaspberryPi/Library/PlatformLib/RaspberryPiMem.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/Platform/RaspberryPi/Library/PlatformLib/RaspberryPiMem.c
b/Platform/RaspberryPi/Library/PlatformLib/RaspberryPiMem.c
index aae189ec8136..015d3dccc27c 100644
--- a/Platform/RaspberryPi/Library/PlatformLib/RaspberryPiMem.c
+++ b/Platform/RaspberryPi/Library/PlatformLib/RaspberryPiMem.c
@@ -22,7 +22,12 @@ extern UINT64 mSystemMemoryEnd;
UINT64 mVideoCoreBase;
UINT64 mVideoCoreSize;
UINT32 mBoardRevision;
-
+//
+// gSerialLibCoreClockFreq, which resides in DualSerialLib is set
+// to the VPU Core Clock frequency by ArmPlatformPeiBootAction ().
+// We use it to report the core frequency during early boot.
+//
+extern UINT32 gSerialLibCoreClockFreq;
// The total number of descriptors, including the final "end-of-table" descriptor.
#define MAX_VIRTUAL_MEMORY_MAP_DESCRIPTORS 11
@@ -66,6 +71,7 @@ ArmPlatformGetVirtualMemoryMap (
DEBUG ((DEBUG_INFO, "Board Rev: 0x%lX\n", mBoardRevision));
DEBUG ((DEBUG_INFO, "Base RAM : 0x%ll08X (Size 0x%ll08X)\n",
mSystemMemoryBase, mSystemMemoryEnd + 1));
DEBUG ((DEBUG_INFO, "VideoCore: 0x%ll08X (Size 0x%ll08X)\n",
mVideoCoreBase, mVideoCoreSize));
+ DEBUG ((DEBUG_INFO, "Core Freq: %d MHz\n", gSerialLibCoreClockFreq /
1000000));
ASSERT (mSystemMemoryBase == 0);
ASSERT (VirtualMemoryMap != NULL);
Reviewed-by: Philippe Mathieu-Daudé <phi...@redhat.com>
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