mkconfig 3.55 KB
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#!/bin/sh -e

# Script to create header files and links to configure
# U-Boot for a specific board.
#
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# Parameters:  Target  Architecture  CPU  Board [VENDOR] [SOC]
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#
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# (C) 2002-2010 DENX Software Engineering, Wolfgang Denk <wd@denx.de>
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#

APPEND=no	# Default: Create new config file
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BOARD_NAME=""	# Name to print in make output
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TARGETS=""
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arch=""
cpu=""
board=""
vendor=""
soc=""
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options=""
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if [ \( $# -eq 2 \) -a \( "$1" = "-A" \) ] ; then
	# Automatic mode
	line=`egrep -i "^[[:space:]]*${2}[[:space:]]" boards.cfg` || {
		echo "make: *** No rule to make target \`$2_config'.  Stop." >&2
		exit 1
	}

	set ${line}
	# add default board name if needed
	[ $# = 3 ] && set ${line} ${1}
fi

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while [ $# -gt 0 ] ; do
	case "$1" in
	--) shift ; break ;;
	-a) shift ; APPEND=yes ;;
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	-n) shift ; BOARD_NAME="${1%_config}" ; shift ;;
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	-t) shift ; TARGETS="`echo $1 | sed 's:_: :g'` ${TARGETS}" ; shift ;;
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	*)  break ;;
	esac
done

[ $# -lt 4 ] && exit 1
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[ $# -gt 7 ] && exit 1
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# Strip all options and/or _config suffixes
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CONFIG_NAME="${1%_config}"

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[ "${BOARD_NAME}" ] || BOARD_NAME="${1%_config}"
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arch="$2"
cpu="$3"
if [ "$4" = "-" ] ; then
	board=${BOARD_NAME}
else
	board="$4"
fi
[ $# -gt 4 ] && [ "$5" != "-" ] && vendor="$5"
[ $# -gt 5 ] && [ "$6" != "-" ] && soc="$6"
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[ $# -gt 6 ] && [ "$7" != "-" ] && {
	# check if we have a board config name in the options field
	# the options field mave have a board config name and a list
	# of options, both separated by a colon (':'); the options are
	# separated by commas (',').
	#
	# Check for board name
	tmp="${7%:*}"
	if [ "$tmp" ] ; then
		CONFIG_NAME="$tmp"
	fi
	# Check if we only have a colon...
	if [ "${tmp}" != "$7" ] ; then
		options=${7#*:}
		TARGETS="`echo ${options} | sed 's:,: :g'` ${TARGETS}"
	fi
}
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if [ "${ARCH}" -a "${ARCH}" != "${arch}" ]; then
	echo "Failed: \$ARCH=${ARCH}, should be '${arch}' for ${BOARD_NAME}" 1>&2
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	exit 1
fi

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if [ "$options" ] ; then
	echo "Configuring for ${BOARD_NAME} - Board: ${CONFIG_NAME}, Options: ${options}"
else
	echo "Configuring for ${BOARD_NAME} board..."
fi
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#
# Create link to architecture specific headers
#
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if [ "$SRCTREE" != "$OBJTREE" ] ; then
	mkdir -p ${OBJTREE}/include
	mkdir -p ${OBJTREE}/include2
	cd ${OBJTREE}/include2
	rm -f asm
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	ln -s ${SRCTREE}/arch/${arch}/include/asm asm
	LNPREFIX=${SRCTREE}/arch/${arch}/include/asm/
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	cd ../include
	rm -f asm
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	ln -s ${SRCTREE}/arch/${arch}/include/asm asm
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else
	cd ./include
	rm -f asm
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	ln -s ../arch/${arch}/include/asm asm
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fi

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rm -f asm/arch
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if [ -z "${soc}" ] ; then
	ln -s ${LNPREFIX}arch-${cpu} asm/arch
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else
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	ln -s ${LNPREFIX}arch-${soc} asm/arch
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fi
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if [ "${arch}" = "arm" ] ; then
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	rm -f asm/proc
	ln -s ${LNPREFIX}proc-armv asm/proc
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fi

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#
# Create include file for Make
#
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echo "ARCH   = ${arch}"  >  config.mk
echo "CPU    = ${cpu}"   >> config.mk
echo "BOARD  = ${board}" >> config.mk
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[ "${vendor}" ] && echo "VENDOR = ${vendor}" >> config.mk
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[ "${soc}"    ] && echo "SOC    = ${soc}"    >> config.mk
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# Assign board directory to BOARDIR variable
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if [ -z "${vendor}" ] ; then
    BOARDDIR=${board}
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else
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    BOARDDIR=${vendor}/${board}
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fi

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#
# Create board specific header file
#
if [ "$APPEND" = "yes" ]	# Append to existing config file
then
	echo >> config.h
else
	> config.h		# Create new config file
fi
echo "/* Automatically generated - do not edit */" >>config.h
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for i in ${TARGETS} ; do
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	i="`echo ${i} | sed '/=/ {s/=/\t/;q } ; { s/$/\t1/ }'`"
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	echo "#define CONFIG_${i}" >>config.h ;
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done

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cat << EOF >> config.h
#define CONFIG_BOARDDIR board/$BOARDDIR
#include <config_defaults.h>
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#include <configs/${CONFIG_NAME}.h>
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#include <asm/config.h>
EOF
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exit 0