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, $8 }' boards.cfg`
  27         if [ -z "$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 if [ "$6" = "-" ] ; then
  59         board=${BOARD_NAME}
  60 else
  61         board="$6"
  62 fi
  63 [ "$5" != "-" ] && vendor="$5"
  64 [ "$4" != "-" ] && soc="$4"
  65 [ $# -gt 7 ] && [ "$8" != "-" ] && {
  66         # check if we have a board config name in the options field
  67         # the options field mave have a board config name and a list
  68         # of options, both separated by a colon (':'); the options are
  69         # separated by commas (',').
  70         #
  71         # Check for board name
  72         tmp="${8%:*}"
  73         if [ "$tmp" ] ; then
  74                 CONFIG_NAME="$tmp"
  75         fi
  76         # Check if we only have a colon...
  77         if [ "${tmp}" != "$8" ] ; then
  78                 options=${8#*:}
  79                 TARGETS="`echo ${options} | sed 's:,: :g'` ${TARGETS}"
  80         fi
  81 }
  82
  83 if [ "${ARCH}" -a "${ARCH}" != "${arch}" ]; then
  84         echo "Failed: \$ARCH=${ARCH}, should be '${arch}' for ${BOARD_NAME}" 1>&2
  85         exit 1
  86 fi
  87
  88 if [ "$options" ] ; then
  89         echo "Configuring for ${BOARD_NAME} - Board: ${CONFIG_NAME}, Options: ${options}"
  90 else
  91         echo "Configuring for ${BOARD_NAME} board..."
  92 fi
  93
  94 #
  95 # Create link to architecture specific headers
  96 #
  97 if [ "$SRCTREE" != "$OBJTREE" ] ; then
  98         mkdir -p ${OBJTREE}/include
  99         LNPREFIX=${SRCTREE}/arch/${arch}/include/asm/
 100         cd ${OBJTREE}/include
 101         mkdir -p asm
 102 else
 103         cd arch/${arch}/include
 104 fi
 105
 106 rm -f asm/arch
 107
 108 if [ -z "${soc}" ] ; then
 109         ln -s ${LNPREFIX}arch-${cpu} asm/arch
 110 else
 111         ln -s ${LNPREFIX}arch-${soc} asm/arch
 112 fi
 113
 114 if [ "${arch}" = "arm" ] ; then
 115         rm -f asm/proc
 116         ln -s ${LNPREFIX}proc-armv asm/proc
 117 fi
 118
 119 if [ "$SRCTREE" = "$OBJTREE" ] ; then
 120         cd ${SRCTREE}/include
 121 fi
 122
 123 #
 124 # Create include file for Make
 125 #
 126 ( echo "ARCH   = ${arch}"
 127     if [ ! -z "$spl_cpu" ] ; then
 128         echo 'ifeq ($(CONFIG_SPL_BUILD),y)'
 129         echo "CPU    = ${spl_cpu}"
 130         echo "else"
 131         echo "CPU    = ${cpu}"
 132         echo "endif"
 133     else
 134         echo "CPU    = ${cpu}"
 135     fi
 136     echo "BOARD  = ${board}"
 137
 138     [ "${vendor}" ] && echo "VENDOR = ${vendor}"
 139     [ "${soc}"    ] && echo "SOC    = ${soc}"
 140     exit 0 ) > config.mk
 141
 142 # Assign board directory to BOARDIR variable
 143 if [ -z "${vendor}" ] ; then
 144     BOARDDIR=${board}
 145 else
 146     BOARDDIR=${vendor}/${board}
 147 fi
 148
 149 #
 150 # Create board specific header file
 151 #
 152 if [ "$APPEND" = "yes" ]        # Append to existing config file
 153 then
 154         echo >> config.h
 155 else
 156         > config.h              # Create new config file
 157 fi
 158 echo "/* Automatically generated - do not edit */" >>config.h
 159
 160 for i in ${TARGETS} ; do
 161         i="`echo ${i} | sed '/=/ {s/=/  /;q; } ; { s/$/ 1/; }'`"
 162         echo "#define CONFIG_${i}" >>config.h ;
 163 done
 164
 165 echo "#define CONFIG_SYS_ARCH  \"${arch}\""  >> config.h
 166 echo "#define CONFIG_SYS_CPU   \"${cpu}\""   >> config.h
 167 echo "#define CONFIG_SYS_BOARD \"${board}\"" >> config.h
 168
 169 [ "${vendor}" ] && echo "#define CONFIG_SYS_VENDOR \"${vendor}\"" >> config.h
 170
 171 [ "${soc}"    ] && echo "#define CONFIG_SYS_SOC    \"${soc}\""    >> config.h
 172
 173 cat << EOF >> config.h
 174 #define CONFIG_BOARDDIR board/$BOARDDIR
 175 #include <config_cmd_defaults.h>
 176 #include <config_defaults.h>
 177 #include <configs/${CONFIG_NAME}.h>
 178 #include <asm/config.h>
 179 #include <config_fallbacks.h>
 180 #include <config_uncmd_spl.h>
 181 EOF
 182
 183 exit 0