[PATCH edk2-platforms v3 10/10] Platform/NXP/LX2160aRdbPkg: Add VarStore

["Pankaj Bansal" <pankaj.bansal@nxp.com>]

From: Pankaj Bansal <pankaj.bansal@nxp.com>

Add VarStore Fd. This Fd is used to store non volatile variables in
flash.

Signed-off-by: Pankaj Bansal <pankaj.bansal@nxp.com>
Reviewed-by: Leif Lindholm <leif@nuviainc.com>
---

Notes:
    V3:
    - No change
    
    V2:
    - No change

 Platform/NXP/LX2160aRdbPkg/LX2160aRdbPkg.fdf |  1 +
 Platform/NXP/LX2160aRdbPkg/VarStore.fdf.inc  | 91 ++++++++++++++++++++
 2 files changed, 92 insertions(+)

diff --git a/Platform/NXP/LX2160aRdbPkg/LX2160aRdbPkg.fdf b/Platform/NXP/LX2160aRdbPkg/LX2160aRdbPkg.fdf
index 19d2ca9bbe58..eec1c0774a86 100644
--- a/Platform/NXP/LX2160aRdbPkg/LX2160aRdbPkg.fdf
+++ b/Platform/NXP/LX2160aRdbPkg/LX2160aRdbPkg.fdf
@@ -48,6 +48,7 @@ gArmTokenSpaceGuid.PcdFvBaseAddress|gArmTokenSpaceGuid.PcdFvSize
 FV = FVMAIN_COMPACT
 
 !include Platform/NXP/FVRules.fdf.inc
+!include VarStore.fdf.inc
 ################################################################################
 #
 # FV Section
diff --git a/Platform/NXP/LX2160aRdbPkg/VarStore.fdf.inc b/Platform/NXP/LX2160aRdbPkg/VarStore.fdf.inc
new file mode 100644
index 000000000000..799eee87193f
--- /dev/null
+++ b/Platform/NXP/LX2160aRdbPkg/VarStore.fdf.inc
@@ -0,0 +1,91 @@
+## @file
+#  FDF include file with FD definition that defines an empty variable store.
+#
+#  Copyright (c) 2006 - 2013, Intel Corporation. All rights reserved.
+#  Copyright (C) 2014, Red Hat, Inc.
+#  Copyright (c) 2016, Linaro, Ltd. All rights reserved.
+#  Copyright (c) 2016, Freescale Semiconductor. All rights reserved.
+#  Copyright 2017-2020 NXP
+#
+#  SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+##
+
+[FD.LX2160aRdbNv_EFI]
+BaseAddress   = 0x20500000  #The base address of the FLASH device
+Size          = 0x000C0000  #The size in bytes of the FLASH device
+ErasePolarity = 1
+BlockSize     = 0x1000
+NumBlocks     = 0xC0
+
+#
+# Place NV Storage just above Platform Data Base
+#
+DEFINE NVRAM_AREA_VARIABLE_BASE                = 0x00000000
+DEFINE NVRAM_AREA_VARIABLE_SIZE                = 0x00040000
+DEFINE FTW_WORKING_BASE                        = $(NVRAM_AREA_VARIABLE_BASE) + $(NVRAM_AREA_VARIABLE_SIZE)
+DEFINE FTW_WORKING_SIZE                        = 0x00040000
+DEFINE FTW_SPARE_BASE                          = $(FTW_WORKING_BASE) + $(FTW_WORKING_SIZE)
+DEFINE FTW_SPARE_SIZE                          = 0x00040000
+
+#############################################################################
+# LX2160ARDB NVRAM Area
+# LX2160ARDB NVRAM Area contains: Variable + FTW Working + FTW Spare
+#############################################################################
+
+
+$(NVRAM_AREA_VARIABLE_BASE)|$(NVRAM_AREA_VARIABLE_SIZE)
+gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageVariableBase64|gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageVariableSize
+#NV_VARIABLE_STORE
+DATA = {
+  ## This is the EFI_FIRMWARE_VOLUME_HEADER
+  # ZeroVector []
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  # FileSystemGuid: gEfiSystemNvDataFvGuid         =
+  #   { 0xFFF12B8D, 0x7696, 0x4C8B,
+  #     { 0xA9, 0x85, 0x27, 0x47, 0x07, 0x5B, 0x4F, 0x50 }}
+  0x8D, 0x2B, 0xF1, 0xFF, 0x96, 0x76, 0x8B, 0x4C,
+  0xA9, 0x85, 0x27, 0x47, 0x07, 0x5B, 0x4F, 0x50,
+  # FvLength: Flash Size : 0x4000000
+  0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x00,
+  # Signature "_FVH"       # Attributes
+  0x5f, 0x46, 0x56, 0x48, 0x36, 0x0E, 0x00, 0x00,
+  # HeaderLength # CheckSum # ExtHeaderOffset #Reserved #Revision
+  0x48, 0x00, 0x08, 0xA6, 0x00, 0x00, 0x00, 0x02,
+  # Blockmap[0]: 0x4000 Blocks * 0x1000 Bytes / Block = SIZE_64MB
+  0x00, 0x40, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00,
+  # Blockmap[1]: End
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  ## This is the VARIABLE_STORE_HEADER
+  # It is compatible with SECURE_BOOT_ENABLE == FALSE as well.
+  # Signature: gEfiVariableGuid =
+  #   { 0xddcf3616, 0x3275, 0x4164,
+  #     { 0x98, 0xb6, 0xfe, 0x85, 0x70, 0x7f, 0xfe, 0x7d }}
+  0x16, 0x36, 0xcf, 0xdd, 0x75, 0x32, 0x64, 0x41,
+  0x98, 0xb6, 0xfe, 0x85, 0x70, 0x7f, 0xfe, 0x7d,
+  # Size: 0x40000 (gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageVariableSize) -
+  #         0x48 (size of EFI_FIRMWARE_VOLUME_HEADER) = 0x3ffb8
+  # This can speed up the Variable Dispatch a bit.
+  0xB8, 0xFF, 0x03, 0x00,
+  # FORMATTED: 0x5A #HEALTHY: 0xFE #Reserved: UINT16 #Reserved1: UINT32
+  0x5A, 0xFE, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+}
+
+$(FTW_WORKING_BASE)|$(FTW_WORKING_SIZE)
+gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwWorkingBase64|gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwWorkingSize
+#NV_FTW_WORKING
+DATA = {
+  # EFI_FAULT_TOLERANT_WORKING_BLOCK_HEADER->Signature = gEdkiiWorkingBlockSignatureGuid         =
+  #  { 0x9e58292b, 0x7c68, 0x497d, { 0xa0, 0xce, 0x65,  0x0, 0xfd, 0x9f, 0x1b, 0x95 }}
+  0x2b, 0x29, 0x58, 0x9e, 0x68, 0x7c, 0x7d, 0x49,
+  0xa0, 0xce, 0x65,  0x0, 0xfd, 0x9f, 0x1b, 0x95,
+  # Crc:UINT32            #WorkingBlockValid:1, WorkingBlockInvalid:1, Reserved
+  0x5b, 0xe7, 0xc6, 0x86, 0xFE, 0xFF, 0xFF, 0xFF,
+  # WriteQueueSize: UINT64
+  0xE0, 0xFF, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00
+}
+
+$(FTW_SPARE_BASE)|$(FTW_SPARE_SIZE)
+gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwSpareBase64|gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwSpareSize
+#NV_FTW_SPARE
-- 
2.17.1