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=`egrep -i "^[[:space:]]*${2}[[:space:]]" boards.cfg` || {
  27                 echo "make: *** No rule to make target \`$2_config'.  Stop." >&2
  28                 exit 1
  29         }
  30
  31         set ${line}
  32         # add default board name if needed
  33         [ $# = 3 ] && set ${line} ${1}
  34 fi
  35
  36 while [ $# -gt 0 ] ; do
  37         case "$1" in
  38         --) shift ; break ;;
  39         -a) shift ; APPEND=yes ;;
  40         -n) shift ; BOARD_NAME="${1%_config}" ; shift ;;
  41         -t) shift ; TARGETS="`echo $1 | sed 's:_: :g'` ${TARGETS}" ; shift ;;
  42         *)  break ;;
  43         esac
  44 done
  45
  46 [ $# -lt 4 ] && exit 1
  47 [ $# -gt 7 ] && exit 1
  48
  49 # Strip all options and/or _config suffixes
  50 CONFIG_NAME="${1%_config}"
  51
  52 [ "${BOARD_NAME}" ] || BOARD_NAME="${1%_config}"
  53
  54 arch="$2"
  55 cpu=`echo $3 | awk 'BEGIN {FS = ":"} ; {print $1}'`
  56 spl_cpu=`echo $3 | awk 'BEGIN {FS = ":"} ; {print $2}'`
  57 if [ "$4" = "-" ] ; then
  58         board=${BOARD_NAME}
  59 else
  60         board="$4"
  61 fi
  62 [ $# -gt 4 ] && [ "$5" != "-" ] && vendor="$5"
  63 [ $# -gt 5 ] && [ "$6" != "-" ] && soc="$6"
  64 [ $# -gt 6 ] && [ "$7" != "-" ] && {
  65         # check if we have a board config name in the options field
  66         # the options field mave have a board config name and a list
  67         # of options, both separated by a colon (':'); the options are
  68         # separated by commas (',').
  69         #
  70         # Check for board name
  71         tmp="${7%:*}"
  72         if [ "$tmp" ] ; then
  73                 CONFIG_NAME="$tmp"
  74         fi
  75         # Check if we only have a colon...
  76         if [ "${tmp}" != "$7" ] ; then
  77                 options=${7#*:}
  78                 TARGETS="`echo ${options} | sed 's:,: :g'` ${TARGETS}"
  79         fi
  80 }
  81
  82 if [ "${ARCH}" -a "${ARCH}" != "${arch}" ]; then
  83         echo "Failed: \$ARCH=${ARCH}, should be '${arch}' for ${BOARD_NAME}" 1>&2
  84         exit 1
  85 fi
  86
  87 if [ "$options" ] ; then
  88         echo "Configuring for ${BOARD_NAME} - Board: ${CONFIG_NAME}, Options: ${options}"
  89 else
  90         echo "Configuring for ${BOARD_NAME} board..."
  91 fi
  92
  93 #
  94 # Create link to architecture specific headers
  95 #
  96 if [ "$SRCTREE" != "$OBJTREE" ] ; then
  97         mkdir -p ${OBJTREE}/include
  98         mkdir -p ${OBJTREE}/include2
  99         cd ${OBJTREE}/include2
 100         rm -f asm
 101         ln -s ${SRCTREE}/arch/${arch}/include/asm asm
 102         LNPREFIX=${SRCTREE}/arch/${arch}/include/asm/
 103         cd ../include
 104         mkdir -p asm
 105 else
 106         cd ./include
 107         rm -f asm
 108         ln -s ../arch/${arch}/include/asm asm
 109 fi
 110
 111 rm -f asm/arch
 112
 113 if [ -z "${soc}" ] ; then
 114         ln -s ${LNPREFIX}arch-${cpu} asm/arch
 115 else
 116         ln -s ${LNPREFIX}arch-${soc} asm/arch
 117 fi
 118
 119 if [ "${arch}" = "arm" ] ; then
 120         rm -f asm/proc
 121         ln -s ${LNPREFIX}proc-armv asm/proc
 122 fi
 123
 124 #
 125 # Create include file for Make
 126 #
 127 ( echo "ARCH   = ${arch}"
 128     if [ ! -z "$spl_cpu" ] ; then
 129         echo 'ifeq ($(CONFIG_SPL_BUILD),y)'
 130         echo "CPU    = ${spl_cpu}"
 131         echo "else"
 132         echo "CPU    = ${cpu}"
 133         echo "endif"
 134     else
 135         echo "CPU    = ${cpu}"
 136     fi
 137     echo "BOARD  = ${board}"
 138
 139     [ "${vendor}" ] && echo "VENDOR = ${vendor}"
 140     [ "${soc}"    ] && echo "SOC    = ${soc}"
 141     exit 0 ) > config.mk
 142
 143 # Assign board directory to BOARDIR variable
 144 if [ -z "${vendor}" ] ; then
 145     BOARDDIR=${board}
 146 else
 147     BOARDDIR=${vendor}/${board}
 148 fi
 149
 150 #
 151 # Create board specific header file
 152 #
 153 if [ "$APPEND" = "yes" ]        # Append to existing config file
 154 then
 155         echo >> config.h
 156 else
 157         > config.h              # Create new config file
 158 fi
 159 echo "/* Automatically generated - do not edit */" >>config.h
 160
 161 for i in ${TARGETS} ; do
 162         i="`echo ${i} | sed '/=/ {s/=/  /;q; } ; { s/$/ 1/; }'`"
 163         echo "#define CONFIG_${i}" >>config.h ;
 164 done
 165
 166 echo "#define CONFIG_SYS_ARCH  \"${arch}\""  >> config.h
 167 echo "#define CONFIG_SYS_CPU   \"${cpu}\""   >> config.h
 168 echo "#define CONFIG_SYS_BOARD \"${board}\"" >> config.h
 169
 170 [ "${vendor}" ] && echo "#define CONFIG_SYS_VENDOR \"${vendor}\"" >> config.h
 171
 172 [ "${soc}"    ] && echo "#define CONFIG_SYS_SOC    \"${soc}\""    >> config.h
 173
 174 cat << EOF >> config.h
 175 #define CONFIG_BOARDDIR board/$BOARDDIR
 176 #include <config_cmd_defaults.h>
 177 #include <config_defaults.h>
 178 #include <configs/${CONFIG_NAME}.h>
 179 #include <asm/config.h>
 180 #include <config_fallbacks.h>
 181 #include <config_uncmd_spl.h>
 182 EOF
 183
 184 exit 0