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 [ "$6" != "-" ] && board="$6"
  64 [ "$5" != "-" ] && vendor="$5"
  65 [ "$4" != "-" ] && soc="$4"
  66 [ $# -gt 7 ] && [ "$8" != "-" ] && {
  67         # check if we have a board config name in the options field
  68         # the options field mave have a board config name and a list
  69         # of options, both separated by a colon (':'); the options are
  70         # separated by commas (',').
  71         #
  72         # Check for board name
  73         tmp="${8%:*}"
  74         if [ "$tmp" ] ; then
  75                 CONFIG_NAME="$tmp"
  76         fi
  77         # Check if we only have a colon...
  78         if [ "${tmp}" != "$8" ] ; then
  79                 options=${8#*:}
  80                 TARGETS="`echo ${options} | sed 's:,: :g'` ${TARGETS}"
  81         fi
  82 }
  83
  84 if [ "${ARCH}" -a "${ARCH}" != "${arch}" ]; then
  85         echo "Failed: \$ARCH=${ARCH}, should be '${arch}' for ${BOARD_NAME}" 1>&2
  86         exit 1
  87 fi
  88
  89 #
  90 # Test above needed aarch64, now we need arm
  91 #
  92 if [ "${arch}" = "aarch64" ]; then
  93         arch="arm"
  94 fi
  95
  96 if [ "$options" ] ; then
  97         echo "Configuring for ${BOARD_NAME} - Board: ${CONFIG_NAME}, Options: ${options}"
  98 else
  99         echo "Configuring for ${BOARD_NAME} board..."
 100 fi
 101
 102 #
 103 # Create link to architecture specific headers
 104 #
 105 if [ -n "$KBUILD_SRC" ] ; then
 106         mkdir -p ${objtree}/include
 107         LNPREFIX=${srctree}/arch/${arch}/include/asm/
 108         cd ${objtree}/include
 109         mkdir -p asm
 110 else
 111         cd arch/${arch}/include
 112 fi
 113
 114 rm -f asm/arch
 115
 116 if [ "${soc}" ] ; then
 117         ln -s ${LNPREFIX}arch-${soc} asm/arch
 118 elif [ "${cpu}" ] ; then
 119         ln -s ${LNPREFIX}arch-${cpu} asm/arch
 120 fi
 121
 122 if [ -z "$KBUILD_SRC" ] ; then
 123         cd ${srctree}/include
 124 fi
 125
 126 #
 127 # Create include file for Make
 128 #
 129 ( echo "ARCH   = ${arch}"
 130     if [ ! -z "$spl_cpu" ] ; then
 131         echo 'ifeq ($(CONFIG_SPL_BUILD),y)'
 132         echo "CPU    = ${spl_cpu}"
 133         echo "else"
 134         echo "CPU    = ${cpu}"
 135         echo "endif"
 136     else
 137         echo "CPU    = ${cpu}"
 138     fi
 139     echo "BOARD  = ${board}"
 140
 141     [ "${vendor}" ] && echo "VENDOR = ${vendor}"
 142     [ "${soc}"    ] && echo "SOC    = ${soc}"
 143     exit 0 ) > config.mk
 144
 145 # Assign board directory to BOARDIR variable
 146 if [ -z "${vendor}" ] ; then
 147     BOARDDIR=${board}
 148 else
 149     BOARDDIR=${vendor}/${board}
 150 fi
 151
 152 #
 153 # Create board specific header file
 154 #
 155 if [ "$APPEND" = "yes" ]        # Append to existing config file
 156 then
 157         echo >> config.h
 158 else
 159         > config.h              # Create new config file
 160 fi
 161 echo "/* Automatically generated - do not edit */" >>config.h
 162
 163 for i in ${TARGETS} ; do
 164         i="`echo ${i} | sed '/=/ {s/=/  /;q; } ; { s/$/ 1/; }'`"
 165         echo "#define CONFIG_${i}" >>config.h ;
 166 done
 167
 168 echo "#define CONFIG_SYS_ARCH  \"${arch}\""  >> config.h
 169 echo "#define CONFIG_SYS_CPU   \"${cpu}\""   >> config.h
 170 echo "#define CONFIG_SYS_BOARD \"${board}\"" >> config.h
 171
 172 [ "${vendor}" ] && echo "#define CONFIG_SYS_VENDOR \"${vendor}\"" >> config.h
 173
 174 [ "${soc}"    ] && echo "#define CONFIG_SYS_SOC    \"${soc}\""    >> config.h
 175
 176 [ "${board}"  ] && echo "#define CONFIG_BOARDDIR board/$BOARDDIR" >> config.h
 177 cat << EOF >> config.h
 178 #include <config_cmd_defaults.h>
 179 #include <config_defaults.h>
 180 #include <configs/${CONFIG_NAME}.h>
 181 #include <asm/config.h>
 182 #include <config_fallbacks.h>
 183 #include <config_uncmd_spl.h>
 184 EOF
 185
 186 exit 0