mkconfig

   1 #!/bin/sh -e
   2
   3 # Script to create header files and links to configure
   4 # U-Boot for a specific board.
   5 #
   6 # Parameters:  Target  Architecture  CPU  Board [VENDOR] [SOC]
   7 #
   8 # (C) 2002-2010 DENX Software Engineering, Wolfgang Denk <wd@denx.de>
   9 #
  10
  11 APPEND=no       # Default: Create new config file
  12 BOARD_NAME=""   # Name to print in make output
  13 TARGETS=""
  14
  15 arch=""
  16 cpu=""
  17 board=""
  18 vendor=""
  19 soc=""
  20 options=""
  21
  22 if [ \( $# -eq 2 \) -a \( "$1" = "-A" \) ] ; then
  23         # Automatic mode
  24         line=`egrep -i "^[[:space:]]*${2}[[:space:]]" boards.cfg` || {
  25                 echo "make: *** No rule to make target \`$2_config'.  Stop." >&2
  26                 exit 1
  27         }
  28
  29         set ${line}
  30         # add default board name if needed
  31         [ $# = 3 ] && set ${line} ${1}
  32 elif [ "${MAKEFLAGS+set}${MAKELEVEL+set}" = "setset" ] ; then
  33         # only warn when using a config target in the Makefile
  34         cat <<-EOF
  35
  36         warning: Please migrate to boards.cfg.  Failure to do so will
  37                  mean removal of your board in the next release.
  38
  39         EOF
  40         sleep 5
  41 fi
  42
  43 while [ $# -gt 0 ] ; do
  44         case "$1" in
  45         --) shift ; break ;;
  46         -a) shift ; APPEND=yes ;;
  47         -n) shift ; BOARD_NAME="${1%_config}" ; shift ;;
  48         -t) shift ; TARGETS="`echo $1 | sed 's:_: :g'` ${TARGETS}" ; shift ;;
  49         *)  break ;;
  50         esac
  51 done
  52
  53 [ $# -lt 4 ] && exit 1
  54 [ $# -gt 7 ] && exit 1
  55
  56 # Strip all options and/or _config suffixes
  57 CONFIG_NAME="${1%_config}"
  58
  59 [ "${BOARD_NAME}" ] || BOARD_NAME="${1%_config}"
  60
  61 arch="$2"
  62 cpu="$3"
  63 if [ "$4" = "-" ] ; then
  64         board=${BOARD_NAME}
  65 else
  66         board="$4"
  67 fi
  68 [ $# -gt 4 ] && [ "$5" != "-" ] && vendor="$5"
  69 [ $# -gt 5 ] && [ "$6" != "-" ] && soc="$6"
  70 [ $# -gt 6 ] && [ "$7" != "-" ] && {
  71         # check if we have a board config name in the options field
  72         # the options field mave have a board config name and a list
  73         # of options, both separated by a colon (':'); the options are
  74         # separated by commas (',').
  75         #
  76         # Check for board name
  77         tmp="${7%:*}"
  78         if [ "$tmp" ] ; then
  79                 CONFIG_NAME="$tmp"
  80         fi
  81         # Check if we only have a colon...
  82         if [ "${tmp}" != "$7" ] ; then
  83                 options=${7#*:}
  84                 TARGETS="`echo ${options} | sed 's:,: :g'` ${TARGETS}"
  85         fi
  86 }
  87
  88 if [ "${ARCH}" -a "${ARCH}" != "${arch}" ]; then
  89         echo "Failed: \$ARCH=${ARCH}, should be '${arch}' for ${BOARD_NAME}" 1>&2
  90         exit 1
  91 fi
  92
  93 if [ "$options" ] ; then
  94         echo "Configuring for ${BOARD_NAME} - Board: ${CONFIG_NAME}, Options: ${options}"
  95 else
  96         echo "Configuring for ${BOARD_NAME} board..."
  97 fi
  98
  99 #
 100 # Create link to architecture specific headers
 101 #
 102 if [ "$SRCTREE" != "$OBJTREE" ] ; then
 103         mkdir -p ${OBJTREE}/include
 104         mkdir -p ${OBJTREE}/include2
 105         cd ${OBJTREE}/include2
 106         rm -f asm
 107         ln -s ${SRCTREE}/arch/${arch}/include/asm asm
 108         LNPREFIX=${SRCTREE}/arch/${arch}/include/asm/
 109         cd ../include
 110         mkdir -p asm
 111 else
 112         cd ./include
 113         rm -f asm
 114         ln -s ../arch/${arch}/include/asm asm
 115 fi
 116
 117 rm -f asm/arch
 118
 119 if [ -z "${soc}" ] ; then
 120         ln -s ${LNPREFIX}arch-${cpu} asm/arch
 121 else
 122         ln -s ${LNPREFIX}arch-${soc} asm/arch
 123 fi
 124
 125 if [ "${arch}" = "arm" ] ; then
 126         rm -f asm/proc
 127         ln -s ${LNPREFIX}proc-armv asm/proc
 128 fi
 129
 130 #
 131 # Create include file for Make
 132 #
 133 echo "ARCH   = ${arch}"  >  config.mk
 134 echo "CPU    = ${cpu}"   >> config.mk
 135 echo "BOARD  = ${board}" >> config.mk
 136
 137 [ "${vendor}" ] && echo "VENDOR = ${vendor}" >> config.mk
 138
 139 [ "${soc}"    ] && echo "SOC    = ${soc}"    >> config.mk
 140
 141 # Assign board directory to BOARDIR variable
 142 if [ -z "${vendor}" ] ; then
 143     BOARDDIR=${board}
 144 else
 145     BOARDDIR=${vendor}/${board}
 146 fi
 147
 148 #
 149 # Create board specific header file
 150 #
 151 if [ "$APPEND" = "yes" ]        # Append to existing config file
 152 then
 153         echo >> config.h
 154 else
 155         > config.h              # Create new config file
 156 fi
 157 echo "/* Automatically generated - do not edit */" >>config.h
 158
 159 for i in ${TARGETS} ; do
 160         i="`echo ${i} | sed '/=/ {s/=/  /;q; } ; { s/$/ 1/; }'`"
 161         echo "#define CONFIG_${i}" >>config.h ;
 162 done
 163
 164 cat << EOF >> config.h
 165 #define CONFIG_BOARDDIR board/$BOARDDIR
 166 #include <config_cmd_defaults.h>
 167 #include <config_defaults.h>
 168 #include <configs/${CONFIG_NAME}.h>
 169 #include <asm/config.h>
 170 EOF
 171
 172 exit 0