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) 2002-2013 DENX Software Engineering, Wolfgang Denk <wd@denx.de>
   9 #
  10 # SPDX-License-Identifier:      GPL-2.0+
  11 #
  12
  13 APPEND=no       # Default: Create new config file
  14 BOARD_NAME=""   # Name to print in make output
  15 TARGETS=""
  16
  17 arch=""
  18 cpu=""
  19 board=""
  20 vendor=""
  21 soc=""
  22 options=""
  23
  24 if [ \( $# -eq 2 \) -a \( "$1" = "-A" \) ] ; then
  25         # Automatic mode
  26         line=`awk '($0 !~ /^#/ && $7 ~ /^'"$2"'$/) { print $1, $2, $3, $4, $5, $6, $7, $8 }' $srctree/boards.cfg`
  27         if [ -z "$line" ] ; then
  28                 echo "make: *** No rule to make target \`$2_config'.  Stop." >&2
  29                 exit 1
  30         fi
  31
  32         set ${line}
  33         # add default board name if needed
  34         [ $# = 3 ] && set ${line} ${1}
  35 fi
  36
  37 while [ $# -gt 0 ] ; do
  38         case "$1" in
  39         --) shift ; break ;;
  40         -a) shift ; APPEND=yes ;;
  41         -n) shift ; BOARD_NAME="${7%_config}" ; shift ;;
  42         -t) shift ; TARGETS="`echo $1 | sed 's:_: :g'` ${TARGETS}" ; shift ;;
  43         *)  break ;;
  44         esac
  45 done
  46
  47 [ $# -lt 7 ] && exit 1
  48 [ $# -gt 8 ] && exit 1
  49
  50 # Strip all options and/or _config suffixes
  51 CONFIG_NAME="${7%_config}"
  52
  53 [ "${BOARD_NAME}" ] || BOARD_NAME="${7%_config}"
  54
  55 arch="$2"
  56 cpu=`echo $3 | awk 'BEGIN {FS = ":"} ; {print $1}'`
  57 spl_cpu=`echo $3 | awk 'BEGIN {FS = ":"} ; {print $2}'`
  58
  59 if [ "$cpu" = "-" ] ; then
  60         cpu=
  61 fi
  62
  63 if [ "$6" = "<none>" ] ; then
  64         board=
  65 elif [ "$6" = "-" ] ; then
  66         board=${BOARD_NAME}
  67 else
  68         board="$6"
  69 fi
  70 [ "$5" != "-" ] && vendor="$5"
  71 [ "$4" != "-" ] && soc="$4"
  72 [ $# -gt 7 ] && [ "$8" != "-" ] && {
  73         # check if we have a board config name in the options field
  74         # the options field mave have a board config name and a list
  75         # of options, both separated by a colon (':'); the options are
  76         # separated by commas (',').
  77         #
  78         # Check for board name
  79         tmp="${8%:*}"
  80         if [ "$tmp" ] ; then
  81                 CONFIG_NAME="$tmp"
  82         fi
  83         # Check if we only have a colon...
  84         if [ "${tmp}" != "$8" ] ; then
  85                 options=${8#*:}
  86                 TARGETS="`echo ${options} | sed 's:,: :g'` ${TARGETS}"
  87         fi
  88 }
  89
  90 if [ "${ARCH}" -a "${ARCH}" != "${arch}" ]; then
  91         echo "Failed: \$ARCH=${ARCH}, should be '${arch}' for ${BOARD_NAME}" 1>&2
  92         exit 1
  93 fi
  94
  95 #
  96 # Test above needed aarch64, now we need arm
  97 #
  98 if [ "${arch}" = "aarch64" ]; then
  99         arch="arm"
 100 fi
 101
 102 if [ "$options" ] ; then
 103         echo "Configuring for ${BOARD_NAME} - Board: ${CONFIG_NAME}, Options: ${options}"
 104 else
 105         echo "Configuring for ${BOARD_NAME} board..."
 106 fi
 107
 108 #
 109 # Create link to architecture specific headers
 110 #
 111 if [ -n "$KBUILD_SRC" ] ; then
 112         mkdir -p ${objtree}/include
 113         LNPREFIX=${srctree}/arch/${arch}/include/asm/
 114         cd ${objtree}/include
 115         mkdir -p asm
 116 else
 117         cd arch/${arch}/include
 118 fi
 119
 120 rm -f asm/arch
 121
 122 if [ "${soc}" ] ; then
 123         ln -s ${LNPREFIX}arch-${soc} asm/arch
 124 elif [ "${cpu}" ] ; then
 125         ln -s ${LNPREFIX}arch-${cpu} asm/arch
 126 fi
 127
 128 if [ -z "$KBUILD_SRC" ] ; then
 129         cd ${srctree}/include
 130 fi
 131
 132 #
 133 # Create include file for Make
 134 #
 135 ( echo "ARCH   = ${arch}"
 136     if [ ! -z "$spl_cpu" ] ; then
 137         echo 'ifeq ($(CONFIG_SPL_BUILD),y)'
 138         echo "CPU    = ${spl_cpu}"
 139         echo "else"
 140         echo "CPU    = ${cpu}"
 141         echo "endif"
 142     else
 143         echo "CPU    = ${cpu}"
 144     fi
 145     echo "BOARD  = ${board}"
 146
 147     [ "${vendor}" ] && echo "VENDOR = ${vendor}"
 148     [ "${soc}"    ] && echo "SOC    = ${soc}"
 149     exit 0 ) > config.mk
 150
 151 # Assign board directory to BOARDIR variable
 152 if [ -z "${vendor}" ] ; then
 153     BOARDDIR=${board}
 154 else
 155     BOARDDIR=${vendor}/${board}
 156 fi
 157
 158 #
 159 # Create board specific header file
 160 #
 161 if [ "$APPEND" = "yes" ]        # Append to existing config file
 162 then
 163         echo >> config.h
 164 else
 165         > config.h              # Create new config file
 166 fi
 167 echo "/* Automatically generated - do not edit */" >>config.h
 168
 169 for i in ${TARGETS} ; do
 170         i="`echo ${i} | sed '/=/ {s/=/  /;q; } ; { s/$/ 1/; }'`"
 171         echo "#define CONFIG_${i}" >>config.h ;
 172 done
 173
 174 echo "#define CONFIG_SYS_ARCH  \"${arch}\""  >> config.h
 175 echo "#define CONFIG_SYS_CPU   \"${cpu}\""   >> config.h
 176 echo "#define CONFIG_SYS_BOARD \"${board}\"" >> config.h
 177
 178 [ "${vendor}" ] && echo "#define CONFIG_SYS_VENDOR \"${vendor}\"" >> config.h
 179
 180 [ "${soc}"    ] && echo "#define CONFIG_SYS_SOC    \"${soc}\""    >> config.h
 181
 182 [ "${board}"  ] && echo "#define CONFIG_BOARDDIR board/$BOARDDIR" >> config.h
 183 cat << EOF >> config.h
 184 #include <config_cmd_defaults.h>
 185 #include <config_defaults.h>
 186 #include <configs/${CONFIG_NAME}.h>
 187 #include <asm/config.h>
 188 #include <config_fallbacks.h>
 189 #include <config_uncmd_spl.h>
 190 EOF
 191
 192 exit 0