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 fi
  33
  34 while [ $# -gt 0 ] ; do
  35         case "$1" in
  36         --) shift ; break ;;
  37         -a) shift ; APPEND=yes ;;
  38         -n) shift ; BOARD_NAME="${1%_config}" ; shift ;;
  39         -t) shift ; TARGETS="`echo $1 | sed 's:_: :g'` ${TARGETS}" ; shift ;;
  40         *)  break ;;
  41         esac
  42 done
  43
  44 [ $# -lt 4 ] && exit 1
  45 [ $# -gt 7 ] && exit 1
  46
  47 # Strip all options and/or _config suffixes
  48 CONFIG_NAME="${1%_config}"
  49
  50 [ "${BOARD_NAME}" ] || BOARD_NAME="${1%_config}"
  51
  52 arch="$2"
  53 cpu=`echo $3 | awk 'BEGIN {FS = ":"} ; {print $1}'`
  54 spl_cpu=`echo $3 | awk 'BEGIN {FS = ":"} ; {print $2}'`
  55 if [ "$4" = "-" ] ; then
  56         board=${BOARD_NAME}
  57 else
  58         board="$4"
  59 fi
  60 [ $# -gt 4 ] && [ "$5" != "-" ] && vendor="$5"
  61 [ $# -gt 5 ] && [ "$6" != "-" ] && soc="$6"
  62 [ $# -gt 6 ] && [ "$7" != "-" ] && {
  63         # check if we have a board config name in the options field
  64         # the options field mave have a board config name and a list
  65         # of options, both separated by a colon (':'); the options are
  66         # separated by commas (',').
  67         #
  68         # Check for board name
  69         tmp="${7%:*}"
  70         if [ "$tmp" ] ; then
  71                 CONFIG_NAME="$tmp"
  72         fi
  73         # Check if we only have a colon...
  74         if [ "${tmp}" != "$7" ] ; then
  75                 options=${7#*:}
  76                 TARGETS="`echo ${options} | sed 's:,: :g'` ${TARGETS}"
  77         fi
  78 }
  79
  80 if [ "${ARCH}" -a "${ARCH}" != "${arch}" ]; then
  81         echo "Failed: \$ARCH=${ARCH}, should be '${arch}' for ${BOARD_NAME}" 1>&2
  82         exit 1
  83 fi
  84
  85 if [ "$options" ] ; then
  86         echo "Configuring for ${BOARD_NAME} - Board: ${CONFIG_NAME}, Options: ${options}"
  87 else
  88         echo "Configuring for ${BOARD_NAME} board..."
  89 fi
  90
  91 #
  92 # Create link to architecture specific headers
  93 #
  94 if [ "$SRCTREE" != "$OBJTREE" ] ; then
  95         mkdir -p ${OBJTREE}/include
  96         mkdir -p ${OBJTREE}/include2
  97         cd ${OBJTREE}/include2
  98         rm -f asm
  99         ln -s ${SRCTREE}/arch/${arch}/include/asm asm
 100         LNPREFIX=${SRCTREE}/arch/${arch}/include/asm/
 101         cd ../include
 102         mkdir -p asm
 103 else
 104         cd ./include
 105         rm -f asm
 106         ln -s ../arch/${arch}/include/asm asm
 107 fi
 108
 109 rm -f asm/arch
 110
 111 if [ -z "${soc}" ] ; then
 112         ln -s ${LNPREFIX}arch-${cpu} asm/arch
 113 else
 114         ln -s ${LNPREFIX}arch-${soc} asm/arch
 115 fi
 116
 117 if [ "${arch}" = "arm" ] ; then
 118         rm -f asm/proc
 119         ln -s ${LNPREFIX}proc-armv asm/proc
 120 fi
 121
 122 #
 123 # Create include file for Make
 124 #
 125 ( echo "ARCH   = ${arch}"
 126     if [ ! -z "$spl_cpu" ] ; then
 127         echo 'ifeq ($(CONFIG_SPL_BUILD),y)'
 128         echo "CPU    = ${spl_cpu}"
 129         echo "else"
 130         echo "CPU    = ${cpu}"
 131         echo "endif"
 132     else
 133         echo "CPU    = ${cpu}"
 134     fi
 135     echo "BOARD  = ${board}"
 136
 137     [ "${vendor}" ] && echo "VENDOR = ${vendor}"
 138     [ "${soc}"    ] && echo "SOC    = ${soc}"
 139     exit 0 ) > config.mk
 140
 141 # Assign board directory to BOARDIR variable
 142 if [ -z "${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_${i}" >>config.h ;
 162 done
 163
 164 echo "#define CONFIG_SYS_ARCH  \"${arch}\""  >> config.h
 165 echo "#define CONFIG_SYS_CPU   \"${cpu}\""   >> config.h
 166 echo "#define CONFIG_SYS_BOARD \"${board}\"" >> config.h
 167
 168 [ "${vendor}" ] && echo "#define CONFIG_SYS_VENDOR \"${vendor}\"" >> config.h
 169
 170 [ "${soc}"    ] && echo "#define CONFIG_SYS_SOC    \"${soc}\""    >> config.h
 171
 172 cat << EOF >> config.h
 173 #define CONFIG_BOARDDIR board/$BOARDDIR
 174 #include <config_cmd_defaults.h>
 175 #include <config_defaults.h>
 176 #include <configs/${CONFIG_NAME}.h>
 177 #include <asm/config.h>
 178 #include <config_fallbacks.h>
 179 #include <config_uncmd_spl.h>
 180 EOF
 181
 182 exit 0