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=`echo $3 | awk 'BEGIN {FS = ":"} ; {print $1}'`
  63 spl_cpu=`echo $3 | awk 'BEGIN {FS = ":"} ; {print $2}'`
  64 if [ "$4" = "-" ] ; then
  65         board=${BOARD_NAME}
  66 else
  67         board="$4"
  68 fi
  69 [ $# -gt 4 ] && [ "$5" != "-" ] && vendor="$5"
  70 [ $# -gt 5 ] && [ "$6" != "-" ] && soc="$6"
  71 [ $# -gt 6 ] && [ "$7" != "-" ] && {
  72         # check if we have a board config name in the options field
  73         # the options field mave have a board config name and a list
  74         # of options, both separated by a colon (':'); the options are
  75         # separated by commas (',').
  76         #
  77         # Check for board name
  78         tmp="${7%:*}"
  79         if [ "$tmp" ] ; then
  80                 CONFIG_NAME="$tmp"
  81         fi
  82         # Check if we only have a colon...
  83         if [ "${tmp}" != "$7" ] ; then
  84                 options=${7#*:}
  85                 TARGETS="`echo ${options} | sed 's:,: :g'` ${TARGETS}"
  86         fi
  87 }
  88
  89 if [ "${ARCH}" -a "${ARCH}" != "${arch}" ]; then
  90         echo "Failed: \$ARCH=${ARCH}, should be '${arch}' for ${BOARD_NAME}" 1>&2
  91         exit 1
  92 fi
  93
  94 if [ "$options" ] ; then
  95         echo "Configuring for ${BOARD_NAME} - Board: ${CONFIG_NAME}, Options: ${options}"
  96 else
  97         echo "Configuring for ${BOARD_NAME} board..."
  98 fi
  99
 100 #
 101 # Create link to architecture specific headers
 102 #
 103 if [ "$SRCTREE" != "$OBJTREE" ] ; then
 104         mkdir -p ${OBJTREE}/include
 105         mkdir -p ${OBJTREE}/include2
 106         cd ${OBJTREE}/include2
 107         rm -f asm
 108         ln -s ${SRCTREE}/arch/${arch}/include/asm asm
 109         LNPREFIX=${SRCTREE}/arch/${arch}/include/asm/
 110         cd ../include
 111         mkdir -p asm
 112 else
 113         cd ./include
 114         rm -f asm
 115         ln -s ../arch/${arch}/include/asm asm
 116 fi
 117
 118 rm -f asm/arch
 119
 120 if [ -z "${soc}" ] ; then
 121         ln -s ${LNPREFIX}arch-${cpu} asm/arch
 122 else
 123         ln -s ${LNPREFIX}arch-${soc} asm/arch
 124 fi
 125
 126 if [ "${arch}" = "arm" ] ; then
 127         rm -f asm/proc
 128         ln -s ${LNPREFIX}proc-armv asm/proc
 129 fi
 130
 131 #
 132 # Create include file for Make
 133 #
 134 ( echo "ARCH   = ${arch}"
 135     if [ ! -z "$spl_cpu" ] ; then
 136         echo 'ifeq ($(CONFIG_SPL_BUILD),y)'
 137         echo "CPU    = ${spl_cpu}"
 138         echo "else"
 139         echo "CPU    = ${cpu}"
 140         echo "endif"
 141     else
 142         echo "CPU    = ${cpu}"
 143     fi
 144     echo "BOARD  = ${board}"
 145
 146     [ "${vendor}" ] && echo "VENDOR = ${vendor}"
 147     [ "${soc}"    ] && echo "SOC    = ${soc}"
 148     exit 0 ) > config.mk
 149
 150 # Assign board directory to BOARDIR variable
 151 if [ -z "${vendor}" ] ; then
 152     BOARDDIR=${board}
 153 else
 154     BOARDDIR=${vendor}/${board}
 155 fi
 156
 157 #
 158 # Create board specific header file
 159 #
 160 if [ "$APPEND" = "yes" ]        # Append to existing config file
 161 then
 162         echo >> config.h
 163 else
 164         > config.h              # Create new config file
 165 fi
 166 echo "/* Automatically generated - do not edit */" >>config.h
 167
 168 for i in ${TARGETS} ; do
 169         i="`echo ${i} | sed '/=/ {s/=/  /;q; } ; { s/$/ 1/; }'`"
 170         echo "#define CONFIG_${i}" >>config.h ;
 171 done
 172
 173 echo "#define CONFIG_SYS_ARCH  \"${arch}\""  >> config.h
 174 echo "#define CONFIG_SYS_CPU   \"${cpu}\""   >> config.h
 175 echo "#define CONFIG_SYS_BOARD \"${board}\"" >> config.h
 176
 177 [ "${vendor}" ] && echo "#define CONFIG_SYS_VENDOR \"${vendor}\"" >> config.h
 178
 179 [ "${soc}"    ] && echo "#define CONFIG_SYS_SOC    \"${soc}\""    >> config.h
 180
 181 cat << EOF >> config.h
 182 #define CONFIG_BOARDDIR board/$BOARDDIR
 183 #include <config_cmd_defaults.h>
 184 #include <config_defaults.h>
 185 #include <configs/${CONFIG_NAME}.h>
 186 #include <asm/config.h>
 187 #include <config_fallbacks.h>
 188 EOF
 189
 190 exit 0