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-rw-r--r--src/drivers/elog/Kconfig69
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diff --git a/src/drivers/elog/Kconfig b/src/drivers/elog/Kconfig
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+##
+## This file is part of the coreboot project.
+##
+## Copyright (C) 2012 The Chromium OS Authors. All rights reserved.
+##
+## 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.
+##
+## You should have received a copy of the GNU General Public License
+## along with this program; if not, write to the Free Software
+## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+##
+
+config ELOG
+ depends on SPI_FLASH
+ bool "Support for flash based event log"
+ default n
+ help
+ Enable support for flash based event logging.
+
+if ELOG
+
+config ELOG_DEBUG
+ bool "Enable debug output for event logging"
+ default n
+
+config ELOG_FLASH_BASE
+ hex "Event log offset into flash"
+ default 0
+ help
+ Offset into the flash chip for the ELOG block.
+ This should be allocated in the FMAP.
+
+config ELOG_AREA_SIZE
+ hex "Size of Event Log area in flash"
+ default 0x1000
+ help
+ This should be a multiple of flash block size.
+
+ Default is 4K.
+
+config ELOG_FULL_THRESHOLD
+ hex "Threshold at which flash is considered full"
+ default 0xC00
+ help
+ When the Event Log size is larger than this it will be shrunk
+ to ELOG_SHRINK_SIZE. Must be greater than ELOG_AREA_SIZE, and
+ ELOG_AREA_SIZE - ELOG_FULL_THRESHOLD must be greater than the
+ maximum event size of 128.
+
+ Default is 75% of the log, or 3K.
+
+config ELOG_SHRINK_SIZE
+ hex "Resulting size when the event log is shrunk"
+ default 0x400
+ help
+ When the Event Log is shrunk it will go to this size.
+ ELOG_AREA_SIZE - ELOG_SHRINK_SIZE must be less than
+ CONFIG_ELOG_FULL_THRESHOLD.
+
+ Default is 1K.
+
+endif