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From e4b0fced6f3fd3c8ce5ab4d3aae97b880e7e07b0 Mon Sep 17 00:00:00 2001
From: sahil <sahil@arm.com>
Date: Mon, 2 May 2022 17:43:17 +0530
Subject: [PATCH] Silicon/ARM/NeoverseN1Soc: Enable SCP QSPI flash region
Enable SCP QSPI flash region access by adding it in the PlatformLibMem
Upstream-Status: Pending
Signed-off-by: Xueliang Zhong <xueliang.zhong@arm.com>
Signed-off-by: sahil <sahil@arm.com>
Change-Id: I3ff832746ca94974ed72309eebe00e0024c47005
---
Silicon/ARM/NeoverseN1Soc/Include/NeoverseN1Soc.h | 4 ++++
.../NeoverseN1Soc/Library/PlatformLib/PlatformLibMem.c | 8 +++++++-
2 files changed, 11 insertions(+), 1 deletion(-)
diff --git a/Silicon/ARM/NeoverseN1Soc/Include/NeoverseN1Soc.h b/Silicon/ARM/NeoverseN1Soc/Include/NeoverseN1Soc.h
index 4966011e..c7219136 100644
--- a/Silicon/ARM/NeoverseN1Soc/Include/NeoverseN1Soc.h
+++ b/Silicon/ARM/NeoverseN1Soc/Include/NeoverseN1Soc.h
@@ -41,6 +41,10 @@
#define NEOVERSEN1SOC_EXP_PERIPH_BASE0 0x1C000000
#define NEOVERSEN1SOC_EXP_PERIPH_BASE0_SZ 0x1300000
+// SCP QSPI flash device
+#define NEOVERSEN1SOC_SCP_QSPI_AHB_BASE 0x18000000
+#define NEOVERSEN1SOC_SCP_QSPI_AHB_SZ 0x2000000
+
/*
* Platform information structure stored in Non-secure SRAM. Platform
* information are passed from the trusted firmware with the below structure
diff --git a/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLibMem.c b/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLibMem.c
index 5cacd437..8bb94074 100644
--- a/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLibMem.c
+++ b/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLibMem.c
@@ -15,7 +15,7 @@
#include <NeoverseN1Soc.h>
// The total number of descriptors, including the final "end-of-table" descriptor.
-#define MAX_VIRTUAL_MEMORY_MAP_DESCRIPTORS 19
+#define MAX_VIRTUAL_MEMORY_MAP_DESCRIPTORS 20
/** A helper function to locate the NtFwConfig PPI and get the base address of
NT_FW_CONFIG DT from which values are obtained using FDT helper functions.
@@ -283,6 +283,12 @@ ArmPlatformGetVirtualMemoryMap (
VirtualMemoryTable[Index].Length = NEOVERSEN1SOC_EXP_PERIPH_BASE0_SZ;
VirtualMemoryTable[Index].Attributes = ARM_MEMORY_REGION_ATTRIBUTE_DEVICE;
+ // SCP QSPI flash device
+ VirtualMemoryTable[++Index].PhysicalBase = NEOVERSEN1SOC_SCP_QSPI_AHB_BASE;
+ VirtualMemoryTable[Index].VirtualBase = NEOVERSEN1SOC_SCP_QSPI_AHB_BASE;
+ VirtualMemoryTable[Index].Length = NEOVERSEN1SOC_SCP_QSPI_AHB_SZ;
+ VirtualMemoryTable[Index].Attributes = ARM_MEMORY_REGION_ATTRIBUTE_DEVICE;
+
if (PlatInfo->MultichipMode == 1) {
//Remote DDR (2GB)
VirtualMemoryTable[++Index].PhysicalBase = PcdGet64 (PcdExtMemorySpace) +
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