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## This file is part of the coreboot project.
##
## Copyright (C) 2019 Facebook Inc.
## Copyright (C) 2019 9elements Agency GmbH
##
## This program is free software; you can redistribute it and/or modify
## it under the terms of the GNU General Public License as published by
## the Free Software Foundation; version 2 of the License.
##
## This program is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
## GNU General Public License for more details.
##

menu "Memory initialization"

config PLATFORM_HAS_DRAM_CLEAR
	bool
	default y if ARCH_X86
	default n
	depends on RELOCATABLE_RAMSTAGE
	help
	  Selected by platforms that support clearing all DRAM
	  after DRAM initialization.

config SECURITY_CLEAR_DRAM_ON_REGULAR_BOOT
	depends on PLATFORM_HAS_DRAM_CLEAR
	bool "Always clear all DRAM on regular boot"
	help
	  Always clear the DRAM after DRAM initialization regardless
	  of additional security implementations in use.
	  This increases boot time depending on the amount of DRAM
	  installed.

endmenu #Memory initialization