[PATCH v4 2/7] Silicon/ARM/NeoverseN1Soc: Define new PCDs and configure memory map


Khasim Mohammed
 

This patch introduces new PCDs required to enable
chip to chip interface and corresponding memory map is updated.

Signed-off-by: Chandni Cherukuri <chandni.cherukuri@arm.com>
Signed-off-by: Khasim Syed Mohammed <khasim.mohammed@arm.com>
---
.../Library/PlatformLib/PlatformLib.inf | 28 +++++--
.../Library/PlatformLib/PlatformLibMem.c | 84 ++++++++++++++++---
Silicon/ARM/NeoverseN1Soc/NeoverseN1Soc.dec | 35 +++++++-
3 files changed, 125 insertions(+), 22 deletions(-)

diff --git a/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLib.inf b/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLib.inf
index 166c9e0444..8e2154aadf 100644
--- a/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLib.inf
+++ b/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLib.inf
@@ -1,6 +1,7 @@
## @file
+# Platform Library for N1Sdp.
#
-# Copyright (c) 2018-2020, ARM Limited. All rights reserved.
+# Copyright (c) 2018-2021, ARM Limited. All rights reserved.<BR>
#
# SPDX-License-Identifier: BSD-2-Clause-Patent
#
@@ -29,13 +30,17 @@
AArch64/Helper.S | GCC

[FixedPcd]
- gEfiMdePkgTokenSpaceGuid.PcdPciExpressBaseAddress
-
- gArmTokenSpaceGuid.PcdSystemMemoryBase
- gArmTokenSpaceGuid.PcdSystemMemorySize
- gArmTokenSpaceGuid.PcdArmPrimaryCore
- gArmTokenSpaceGuid.PcdArmPrimaryCoreMask
-
+ gArmNeoverseN1SocTokenSpaceGuid.PcdCcixBusMax
+ gArmNeoverseN1SocTokenSpaceGuid.PcdCcixBusMin
+ gArmNeoverseN1SocTokenSpaceGuid.PcdCcixExpressBaseAddress
+ gArmNeoverseN1SocTokenSpaceGuid.PcdCcixMmio32Base
+ gArmNeoverseN1SocTokenSpaceGuid.PcdCcixMmio32Size
+ gArmNeoverseN1SocTokenSpaceGuid.PcdCcixMmio64Base
+ gArmNeoverseN1SocTokenSpaceGuid.PcdCcixMmio64Size
+ gArmNeoverseN1SocTokenSpaceGuid.PcdCcixRootPortConfigBaseAddress
+ gArmNeoverseN1SocTokenSpaceGuid.PcdCcixRootPortConfigBaseSize
+ gArmNeoverseN1SocTokenSpaceGuid.PcdDramBlock2Base
+ gArmNeoverseN1SocTokenSpaceGuid.PcdExtMemorySpace
gArmNeoverseN1SocTokenSpaceGuid.PcdPcieBusMax
gArmNeoverseN1SocTokenSpaceGuid.PcdPcieBusMin
gArmNeoverseN1SocTokenSpaceGuid.PcdPcieMmio32Base
@@ -45,7 +50,12 @@
gArmNeoverseN1SocTokenSpaceGuid.PcdPcieRootPortConfigBaseAddress
gArmNeoverseN1SocTokenSpaceGuid.PcdPcieRootPortConfigBaseSize

- gArmNeoverseN1SocTokenSpaceGuid.PcdDramBlock2Base
+ gArmTokenSpaceGuid.PcdArmPrimaryCore
+ gArmTokenSpaceGuid.PcdArmPrimaryCoreMask
+ gArmTokenSpaceGuid.PcdSystemMemoryBase
+ gArmTokenSpaceGuid.PcdSystemMemorySize
+
+ gEfiMdePkgTokenSpaceGuid.PcdPciExpressBaseAddress

[Guids]
gEfiHobListGuid ## CONSUMES ## SystemTable
diff --git a/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLibMem.c b/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLibMem.c
index f9b3d03753..1c4a445c5e 100644
--- a/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLibMem.c
+++ b/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLibMem.c
@@ -1,9 +1,9 @@
/** @file
-*
-* Copyright (c) 2018 - 2020, ARM Limited. All rights reserved.
-*
-* SPDX-License-Identifier: BSD-2-Clause-Patent
-*
+
+ Copyright (c) 2018 - 2021, ARM Limited. All rights reserved.<BR>
+
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
**/

#include <Library/ArmPlatformLib.h>
@@ -13,7 +13,7 @@
#include <NeoverseN1Soc.h>

// The total number of descriptors, including the final "end-of-table" descriptor.
-#define MAX_VIRTUAL_MEMORY_MAP_DESCRIPTORS 13
+#define MAX_VIRTUAL_MEMORY_MAP_DESCRIPTORS 19

/**
Returns the Virtual Memory Map of the platform.
@@ -21,21 +21,23 @@
This Virtual Memory Map is used by MemoryInitPei Module to initialize the MMU
on your platform.

- @param[out] VirtualMemoryMap Array of ARM_MEMORY_REGION_DESCRIPTOR describing
- a Physical-to-Virtual Memory mapping. This array
- must be ended by a zero-filled entry.
+ @param[in] VirtualMemoryMap Array of ARM_MEMORY_REGION_DESCRIPTOR describing
+ a Physical-to-Virtual Memory mapping. This array
+ must be ended by a zero-filled entry.
**/
VOID
ArmPlatformGetVirtualMemoryMap (
IN ARM_MEMORY_REGION_DESCRIPTOR **VirtualMemoryMap
)
{
- UINTN Index = 0;
+ UINTN Index;
ARM_MEMORY_REGION_DESCRIPTOR *VirtualMemoryTable;
EFI_RESOURCE_ATTRIBUTE_TYPE ResourceAttributes;
NEOVERSEN1SOC_PLAT_INFO *PlatInfo;
UINT64 DramBlock2Size;
+ UINT64 RemoteDdrSize;

+ Index = 0;
PlatInfo = (NEOVERSEN1SOC_PLAT_INFO *)NEOVERSEN1SOC_PLAT_INFO_STRUCT_BASE;
DramBlock2Size = ((UINT64)(PlatInfo->LocalDdrSize -
NEOVERSEN1SOC_DRAM_BLOCK1_SIZE / SIZE_1GB) *
@@ -55,6 +57,24 @@ ArmPlatformGetVirtualMemoryMap (
FixedPcdGet64 (PcdDramBlock2Base),
DramBlock2Size);

+ if (PlatInfo->MultichipMode == 1) {
+ RemoteDdrSize = ((PlatInfo->RemoteDdrSize - 2) * SIZE_1GB);
+
+ BuildResourceDescriptorHob (
+ EFI_RESOURCE_SYSTEM_MEMORY,
+ ResourceAttributes,
+ FixedPcdGet64 (PcdExtMemorySpace) + FixedPcdGet64 (PcdSystemMemoryBase),
+ PcdGet64 (PcdSystemMemorySize)
+ );
+
+ BuildResourceDescriptorHob (
+ EFI_RESOURCE_SYSTEM_MEMORY,
+ ResourceAttributes,
+ FixedPcdGet64 (PcdExtMemorySpace) + FixedPcdGet64 (PcdDramBlock2Base),
+ RemoteDdrSize
+ );
+ }
+
ASSERT (VirtualMemoryMap != NULL);
Index = 0;

@@ -114,6 +134,32 @@ ArmPlatformGetVirtualMemoryMap (
VirtualMemoryTable[Index].Length = PcdGet64 (PcdPcieMmio64Size);
VirtualMemoryTable[Index].Attributes = ARM_MEMORY_REGION_ATTRIBUTE_DEVICE;

+ // CCIX RC Configuration Space
+ VirtualMemoryTable[++Index].PhysicalBase = PcdGet32 (PcdCcixRootPortConfigBaseAddress);
+ VirtualMemoryTable[Index].VirtualBase = PcdGet32 (PcdCcixRootPortConfigBaseAddress);
+ VirtualMemoryTable[Index].Length = PcdGet32 (PcdCcixRootPortConfigBaseSize);
+ VirtualMemoryTable[Index].Attributes = ARM_MEMORY_REGION_ATTRIBUTE_DEVICE;
+
+ // CCIX ECAM Configuration Space
+ VirtualMemoryTable[++Index].PhysicalBase = PcdGet32 (PcdCcixExpressBaseAddress);
+ VirtualMemoryTable[Index].VirtualBase = PcdGet32 (PcdCcixExpressBaseAddress);
+ VirtualMemoryTable[Index].Length = (FixedPcdGet32 (PcdCcixBusMax) -
+ FixedPcdGet32 (PcdCcixBusMin) + 1) *
+ SIZE_1MB;
+ VirtualMemoryTable[Index].Attributes = ARM_MEMORY_REGION_ATTRIBUTE_DEVICE;
+
+ // CCIX MMIO32 Memory Space
+ VirtualMemoryTable[++Index].PhysicalBase = PcdGet32 (PcdCcixMmio32Base);
+ VirtualMemoryTable[Index].VirtualBase = PcdGet32 (PcdCcixMmio32Base);
+ VirtualMemoryTable[Index].Length = PcdGet32 (PcdCcixMmio32Size);
+ VirtualMemoryTable[Index].Attributes = ARM_MEMORY_REGION_ATTRIBUTE_DEVICE;
+
+ // CCIX MMIO64 Memory Space
+ VirtualMemoryTable[++Index].PhysicalBase = PcdGet64 (PcdCcixMmio64Base);
+ VirtualMemoryTable[Index].VirtualBase = PcdGet64 (PcdCcixMmio64Base);
+ VirtualMemoryTable[Index].Length = PcdGet64 (PcdCcixMmio64Size);
+ VirtualMemoryTable[Index].Attributes = ARM_MEMORY_REGION_ATTRIBUTE_DEVICE;
+
// SubSystem Pheripherals - UART0
VirtualMemoryTable[++Index].PhysicalBase = NEOVERSEN1SOC_UART0_BASE;
VirtualMemoryTable[Index].VirtualBase = NEOVERSEN1SOC_UART0_BASE;
@@ -138,6 +184,24 @@ ArmPlatformGetVirtualMemoryMap (
VirtualMemoryTable[Index].Length = NEOVERSEN1SOC_EXP_PERIPH_BASE0_SZ;
VirtualMemoryTable[Index].Attributes = ARM_MEMORY_REGION_ATTRIBUTE_DEVICE;

+ if (PlatInfo->MultichipMode == 1) {
+ //Remote DDR (2GB)
+ VirtualMemoryTable[++Index].PhysicalBase = PcdGet64 (PcdExtMemorySpace) +
+ PcdGet64 (PcdSystemMemoryBase);
+ VirtualMemoryTable[Index].VirtualBase = PcdGet64 (PcdExtMemorySpace) +
+ PcdGet64 (PcdSystemMemoryBase);
+ VirtualMemoryTable[Index].Length = PcdGet64 (PcdSystemMemorySize);
+ VirtualMemoryTable[Index].Attributes = ARM_MEMORY_REGION_ATTRIBUTE_WRITE_THROUGH;
+
+ //Remote DDR
+ VirtualMemoryTable[++Index].PhysicalBase = PcdGet64 (PcdExtMemorySpace) +
+ PcdGet64 (PcdDramBlock2Base);
+ VirtualMemoryTable[Index].VirtualBase = PcdGet64 (PcdExtMemorySpace) +
+ PcdGet64 (PcdDramBlock2Base);
+ VirtualMemoryTable[Index].Length = RemoteDdrSize;
+ VirtualMemoryTable[Index].Attributes = ARM_MEMORY_REGION_ATTRIBUTE_WRITE_THROUGH;
+ }
+
// End of Table
VirtualMemoryTable[++Index].PhysicalBase = 0;
VirtualMemoryTable[Index].VirtualBase = 0;
diff --git a/Silicon/ARM/NeoverseN1Soc/NeoverseN1Soc.dec b/Silicon/ARM/NeoverseN1Soc/NeoverseN1Soc.dec
index 54b793a937..eea2d58402 100644
--- a/Silicon/ARM/NeoverseN1Soc/NeoverseN1Soc.dec
+++ b/Silicon/ARM/NeoverseN1Soc/NeoverseN1Soc.dec
@@ -1,5 +1,7 @@
+## @file
+# Describes the entire platform configuration.
#
-# Copyright (c) 2018 - 2020, ARM Limited. All rights reserved.
+# Copyright (c) 2018 - 2021, ARM Limited. All rights reserved.<BR>
#
# SPDX-License-Identifier: BSD-2-Clause-Patent
#
@@ -33,8 +35,8 @@
gArmNeoverseN1SocTokenSpaceGuid.PcdPcieBusMax|17|UINT32|0x00000005
gArmNeoverseN1SocTokenSpaceGuid.PcdPcieBusMin|0|UINT32|0x00000006
gArmNeoverseN1SocTokenSpaceGuid.PcdPcieIoBase|0x0|UINT32|0x00000007
- gArmNeoverseN1SocTokenSpaceGuid.PcdPcieIoMaxBase|0x00FFFFFF|UINT32|0x00000008
- gArmNeoverseN1SocTokenSpaceGuid.PcdPcieIoSize|0x01000000|UINT32|0x00000009
+ gArmNeoverseN1SocTokenSpaceGuid.PcdPcieIoMaxBase|0x001FFFF|UINT32|0x00000008
+ gArmNeoverseN1SocTokenSpaceGuid.PcdPcieIoSize|0x020000|UINT32|0x00000009
gArmNeoverseN1SocTokenSpaceGuid.PcdPcieIoTranslation|0x75200000|UINT32|0x0000000A
gArmNeoverseN1SocTokenSpaceGuid.PcdPcieMmio32Base|0x71200000|UINT32|0x0000000B
gArmNeoverseN1SocTokenSpaceGuid.PcdPcieMmio32MaxBase|0x751FFFFF|UINT32|0x0000000C
@@ -44,3 +46,30 @@
gArmNeoverseN1SocTokenSpaceGuid.PcdPcieMmio64MaxBase|0x28FFFFFFFF|UINT64|0x00000010
gArmNeoverseN1SocTokenSpaceGuid.PcdPcieMmio64Size|0x2000000000|UINT64|0x00000011
gArmNeoverseN1SocTokenSpaceGuid.PcdPcieMmio64Translation|0x0|UINT64|0x00000012
+
+ # CCIX
+ gArmNeoverseN1SocTokenSpaceGuid.PcdCcixBusCount|18|UINT32|0x00000016
+ gArmNeoverseN1SocTokenSpaceGuid.PcdCcixBusMax|17|UINT32|0x00000017
+ gArmNeoverseN1SocTokenSpaceGuid.PcdCcixBusMin|0|UINT32|0x00000018
+ gArmNeoverseN1SocTokenSpaceGuid.PcdCcixExpressBaseAddress|0x68000000|UINT32|0x00000019
+ gArmNeoverseN1SocTokenSpaceGuid.PcdCcixIoBase|0x0|UINT32|0x0000001A
+ gArmNeoverseN1SocTokenSpaceGuid.PcdCcixIoMaxBase|0x01FFFF|UINT32|0x0000001B
+ gArmNeoverseN1SocTokenSpaceGuid.PcdCcixIoSize|0x020000|UINT32|0x0000001C
+ gArmNeoverseN1SocTokenSpaceGuid.PcdCcixIoTranslation|0x6D200000|UINT32|0x00000001D
+ gArmNeoverseN1SocTokenSpaceGuid.PcdCcixMmio32Base|0x69200000|UINT32|0x0000001E
+ gArmNeoverseN1SocTokenSpaceGuid.PcdCcixMmio32MaxBase|0x6D1FFFFF|UINT32|0x00000001F
+ gArmNeoverseN1SocTokenSpaceGuid.PcdCcixMmio32Size|0x04000000|UINT32|0x00000020
+ gArmNeoverseN1SocTokenSpaceGuid.PcdCcixMmio32Translation|0x0|UINT32|0x00000021
+ gArmNeoverseN1SocTokenSpaceGuid.PcdCcixMmio64Base|0x2900000000|UINT64|0x00000022
+ gArmNeoverseN1SocTokenSpaceGuid.PcdCcixMmio64MaxBase|0x48FFFFFFFF|UINT64|0x00000023
+ gArmNeoverseN1SocTokenSpaceGuid.PcdCcixMmio64Size|0x2000000000|UINT64|0x00000024
+ gArmNeoverseN1SocTokenSpaceGuid.PcdCcixMmio64Translation|0x0|UINT64|0x00000025
+ gArmNeoverseN1SocTokenSpaceGuid.PcdCcixRootPortConfigBaseAddress|0x62000000|UINT32|0x00000026
+ gArmNeoverseN1SocTokenSpaceGuid.PcdCcixRootPortConfigBaseSize|0x00001000|UINT32|0x00000027
+
+ gArmNeoverseN1SocTokenSpaceGuid.PcdExtMemorySpace|0x40000000000|UINT64|0x00000029
+
+ # Remote Chip PCIe
+ gArmNeoverseN1SocTokenSpaceGuid.PcdRemotePcieIoTranslation|0x40075200000|UINT64|0x0000004A
+ gArmNeoverseN1SocTokenSpaceGuid.PcdRemotePcieMmio32Translation|0x40000000000|UINT64|0x0000004B
+ gArmNeoverseN1SocTokenSpaceGuid.PcdRemotePcieMmio64Translation|0x40000000000|UINT64|0x0000004C
--
2.17.1