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From ba3ed154863d1acd0996178beaf3a2bc693b938c Mon Sep 17 00:00:00 2001
From: sahil <sahil@arm.com>
Date: Wed, 20 Apr 2022 12:24:41 +0530
Subject: [PATCH] Platform/ARM/N1Sdp: Fix RemoteDdrSize cast
RemoteDdrSize calculation wraps around when booting N1Sdp in
multichip mode. Casting it to UINT64 to fix the issue.
Upstream-Status: Pending
Signed-off-by: Adam Johnston <adam.johnston@arm.com>
Signed-off-by: Xueliang Zhong <xueliang.zhong@arm.com>
Signed-off-by: sahil <sahil@arm.com>
Change-Id: Ic51269a8d67669684a5f056701cfbef6beb23da2
---
.../ConfigurationManagerDxe/ConfigurationManager.c | 2 +-
Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLibMem.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/Platform/ARM/N1Sdp/ConfigurationManager/ConfigurationManagerDxe/ConfigurationManager.c b/Platform/ARM/N1Sdp/ConfigurationManager/ConfigurationManagerDxe/ConfigurationManager.c
index c15020f5..b11c0425 100644
--- a/Platform/ARM/N1Sdp/ConfigurationManager/ConfigurationManagerDxe/ConfigurationManager.c
+++ b/Platform/ARM/N1Sdp/ConfigurationManager/ConfigurationManagerDxe/ConfigurationManager.c
@@ -1254,7 +1254,7 @@ InitializePlatformRepository (
PlatRepoInfo->MemAffInfo[LOCAL_DDR_REGION2].Length = Dram2Size;
if (PlatInfo->MultichipMode == 1) {
- RemoteDdrSize = ((PlatInfo->RemoteDdrSize - 2) * SIZE_1GB);
+ RemoteDdrSize = ((UINT64)(PlatInfo->RemoteDdrSize - 2) * SIZE_1GB);
// Update Remote DDR Region1
PlatRepoInfo->MemAffInfo[REMOTE_DDR_REGION1].ProximityDomain = 1;
diff --git a/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLibMem.c b/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLibMem.c
index 1d53ec75..5cacd437 100644
--- a/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLibMem.c
+++ b/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLibMem.c
@@ -157,7 +157,7 @@ ArmPlatformGetVirtualMemoryMap (
DramBlock2Size);
if (PlatInfo->MultichipMode == 1) {
- RemoteDdrSize = ((PlatInfo->RemoteDdrSize - 2) * SIZE_1GB);
+ RemoteDdrSize = ((UINT64)(PlatInfo->RemoteDdrSize - 2) * SIZE_1GB);
BuildResourceDescriptorHob (
EFI_RESOURCE_SYSTEM_MEMORY,
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