#!/bin/sh -e

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

APPEND=no	# Default: Create new config file
BOARD_NAME=""	# Name to print in make output
TARGETS=""

arch=""
cpu=""
board=""
vendor=""
soc=""
options=""
if [ \( $# -eq 2 \) -a \( "$1" = "-A" \) ] ; then
	# Automatic mode

	line=`cat boards.cfg board/amlogic/boards.cfg customer/board/boards.cfg | egrep -i "^[[:space:]]*${2}[[:space:]]"  ` ||  {
		echo "make: *** No rule to make target \`$2_config'.  Stop." >&2
		exit 1
	}

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

#if [ \( $# -eq 3 \) -a \( "$1" = "-f" \) ] ; then
#	# Automatic mode
#	line=`egrep -i "^[[:space:]]*${3}[[:space:]]" $2 ` || {
#		echo "make: *** No rule to make target \`$3_config'.  Stop." >&2
#		exit 1
#	}
#
#	set ${line}
#	# add default board name if needed
#	[ $# = 3 ] && set ${line} ${1}
#fi

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

[ $# -lt 4 ] && exit 1
[ $# -gt 7 ] && exit 1

# Strip all options and/or _config suffixes
CONFIG_NAME="${1%_config}"
[ "${BOARD_NAME}" ] || BOARD_NAME="${1%_config}"

arch="$2"
cpu="$3"
if [ "$4" = "-" ] ; then
	board=${BOARD_NAME}
else
	board="$4"
fi
[ $# -gt 4 ] && [ "$5" != "-" ] && vendor="$5"
[ $# -gt 5 ] && [ "$6" != "-" ] && soc="$6"
[ $# -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
}

if [ "${ARCH}" -a "${ARCH}" != "${arch}" ]; then
	echo "Failed: \$ARCH=${ARCH}, should be '${arch}' for ${BOARD_NAME}" 1>&2
	exit 1
fi

if [ "$options" ] ; then
	echo "Configuring for ${BOARD_NAME} - Board: ${CONFIG_NAME}, Options: ${options}"
else
	echo "Configuring for ${BOARD_NAME} board..."
fi

#
# Create link to architecture specific headers
#

if [ ! -L ${SRCTREE}/include/configs/customer ]; then	
	cd ${SRCTREE}/include/configs
	ln -s ../../customer/board/configs customer -f
fi 

if [ ! -L ${SRCTREE}/include/configs/amlogic ]; then	
	cd ${SRCTREE}/include/configs
	ln -s ../../board/amlogic/configs amlogic
fi

if [ "$SRCTREE" != "$OBJTREE" ] ; then
	mkdir -p ${OBJTREE}/include
	mkdir -p ${OBJTREE}/include2
	cd ${OBJTREE}/include2
	rm -f asm
	ln -s ${SRCTREE}/arch/${arch}/include/asm asm
	LNPREFIX=${SRCTREE}/arch/${arch}/include/asm/
	cd ../include
	mkdir -p asm
else
	cd ./include
	rm -f asm
	ln -s ../arch/${arch}/include/asm asm
fi

rm -f asm/arch

if [ -z "${soc}" ] ; then
	ln -s ${LNPREFIX}arch-${cpu} asm/arch
else
	ln -s ${LNPREFIX}arch-${soc} asm/arch
fi

if [ "${arch}" = "arm" ] ; then
	rm -f asm/proc
	ln -s ${LNPREFIX}proc-armv asm/proc
fi
 
#
# Create include file for Make
#
echo "ARCH   = ${arch}"  >  config.mk
echo "CPU    = ${cpu}"   >> config.mk
echo "BOARD  = ${board}" >> config.mk

[ "${vendor}" ] && echo "VENDOR = ${vendor}" >> config.mk

[ "${soc}"    ] && echo "SOC    = ${soc}"    >> config.mk

# Assign board directory to BOARDIR variable
if [ -z "${vendor}" ] ; then
    BOARDDIR=${board}
else
    BOARDDIR=${vendor}/${board}
fi

#
# 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
tmp_board="`echo ${board} | sed 's/[^A-Za-z0-9]\{1,\}/_/g'`"
#declare -u tmp_targets
tmp_targets=`echo ${cpu} ${soc} ${tmp_board} | tr a-z A-Z`

for i in ${TARGETS} ${tmp_targets}; do
	i="`echo ${i} | sed '/=/ {s/=/\t/;q } ; { s/$/\t1/ }'`"
	echo "#define CONFIG_${i}" >>config.h ;
done

cat << EOF >> config.h
#define CONFIG_BOARDDIR board/$BOARDDIR
#include <config_cmd_defaults.h>
#include <config_defaults.h>
#include <configs/${CONFIG_NAME}.h>
#include <asm/config.h>
#include <asm/mach-types.h>
#define CONFIG_SYS_PROMPT "${1%_config}#"
EOF

exit 0
