Add a convenience function to set NANO_MEDIASIZE, NANO_HEADS and NANO_SECTS

for commonly used flash devices by

	FlashDevice Sandisk 256MB

in the config file.

tools/tools/nanobsd/FlashDevice.sub

@@ -0,0 +1,117 @@
+#!/bin/sh
+#
+# Copyright (c) 2005 Poul-Henning Kamp.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+# SUCH DAMAGE.
+#
+# $FreeBSD$
+#
+# Convenience function for commonly used Flash devices.
+#
+# There is a hook over in nanobsd.sh which allows you to call into
+# this function simply with a line like:
+#
+#	FlashDevice Sandisk 256
+#
+# This file will then set NANO_MEDIASIZE, NANO_HEADS and NANO_SECTS for you.
+#
+
+sub_FlashDevice () {
+	case $1 in
+	[Ss][Aa][Nn][Dd][Ii][Ss][Kk])
+		# Source:
+		#	SanDisk CompactFlash Memory Card
+		#	Product Manual
+		#	Version 10.9
+		#	Document No. 20-10-00038
+		#	April 2005
+		# Table 2-7 
+		# NB: notice math error in SDCFJ-4096-388 line.
+		#
+		case $2 in
+		32|32MB)
+			NANO_MEDIASIZE=`expr 32112640 / 512`
+			NANO_HEADS=4
+			NANO_SECTS=32
+			;;
+		64|64MB)
+			NANO_MEDIASIZE=`expr 64225280 / 512`
+			NANO_HEADS=8
+			NANO_SECTS=32
+			;;
+		128|128MB)
+			NANO_MEDIASIZE=`expr 128450560 / 512`
+			NANO_HEADS=8
+			NANO_SECTS=32
+			;;
+		256|256MB)
+			NANO_MEDIASIZE=`expr 256901120 / 512`
+			NANO_HEADS=16
+			NANO_SECTS=32
+			;;
+		512|512MB)
+			NANO_MEDIASIZE=`expr 512483328 / 512`
+			NANO_HEADS=16
+			NANO_SECTS=63
+			;;
+		1024|1024MB|1G)
+			NANO_MEDIASIZE=`expr 1024966656 / 512`
+			NANO_HEADS=16
+			NANO_SECTS=63
+			;;
+		2048|2048MB|2G)
+			NANO_MEDIASIZE=`expr 2048901120 / 512`
+			NANO_HEADS=16
+			NANO_SECTS=63
+			;;
+		4096|4096MB|4G)
+			NANO_MEDIASIZE=`expr 4097802240 / 512`
+			NANO_HEADS=16
+			NANO_SECTS=63
+			;;
+		*)
+			echo "Unknown Sandisk Flash capacity"
+			exit 2
+			;;
+		esac
+		;;
+	[Ss][Oo][Ee][Kk][Rr][Ii][Ss])
+		case $2 in
+		[Nn][Ee][Tt]4526 | 4526 | [Nn][Ee][Tt]4826 | 4826 | 64 | 64MB)
+			NANO_MEDIASIZE=125056
+			NANO_HEADS=4
+			NANO_SECTS=32
+			;;
+		*)
+			echo "Unknown Soekris Flash capacity"
+			exit 2
+			;;
+		esac
+		;;
+	*)
+		echo "Unknown Flash manufacturer"
+		exit 2
+		;;
+	esac
+}
+

tools/tools/nanobsd/nanobsd.sh

@@ -383,6 +383,16 @@ create_i386_diskimage ( ) (
 #
 #######################################################################
 
+#######################################################################
+# Common Flash device geometries
+#
+
+FlashDevice () {
+	. ${NANO_SRC}/${NANO_TOOLS}/FlashDevice.sub
+	sub_FlashDevice $1 $2
+}
+
+
 #######################################################################
 # Setup serial console