fw_env: calculate default number of env sectors
[karo-tx-uboot.git] / 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 if [ "$6" = "<none>" ] ; then
59         board=
60 elif [ "$6" = "-" ] ; then
61         board=${BOARD_NAME}
62 else
63         board="$6"
64 fi
65 [ "$5" != "-" ] && vendor="$5"
66 [ "$4" != "-" ] && soc="$4"
67 [ $# -gt 7 ] && [ "$8" != "-" ] && {
68         # check if we have a board config name in the options field
69         # the options field mave have a board config name and a list
70         # of options, both separated by a colon (':'); the options are
71         # separated by commas (',').
72         #
73         # Check for board name
74         tmp="${8%:*}"
75         if [ "$tmp" ] ; then
76                 CONFIG_NAME="$tmp"
77         fi
78         # Check if we only have a colon...
79         if [ "${tmp}" != "$8" ] ; then
80                 options=${8#*:}
81                 TARGETS="`echo ${options} | sed 's:,: :g'` ${TARGETS}"
82         fi
83 }
84
85 if [ "${ARCH}" -a "${ARCH}" != "${arch}" ]; then
86         echo "Failed: \$ARCH=${ARCH}, should be '${arch}' for ${BOARD_NAME}" 1>&2
87         exit 1
88 fi
89
90 #
91 # Test above needed aarch64, now we need arm
92 #
93 if [ "${arch}" = "aarch64" ]; then
94         arch="arm"
95 fi
96
97 if [ "$options" ] ; then
98         echo "Configuring for ${BOARD_NAME} - Board: ${CONFIG_NAME}, Options: ${options}"
99 else
100         echo "Configuring for ${BOARD_NAME} board..."
101 fi
102
103 #
104 # Create link to architecture specific headers
105 #
106 if [ "$SRCTREE" != "$OBJTREE" ] ; then
107         mkdir -p ${OBJTREE}/include
108         LNPREFIX=${SRCTREE}/arch/${arch}/include/asm/
109         cd ${OBJTREE}/include
110         mkdir -p asm
111 else
112         cd arch/${arch}/include
113 fi
114
115 rm -f asm/arch
116
117 if [ -z "${soc}" ] ; then
118         ln -s ${LNPREFIX}arch-${cpu} asm/arch
119 else
120         ln -s ${LNPREFIX}arch-${soc} asm/arch
121 fi
122
123 if [ "${arch}" = "arm" ] ; then
124         rm -f asm/proc
125         ln -s ${LNPREFIX}proc-armv asm/proc
126 fi
127
128 if [ "$SRCTREE" = "$OBJTREE" ] ; then
129         cd ${SRCTREE}/include
130 fi
131
132 #
133 # Create include file for Make
134 #
135 ( echo "ARCH   = ${arch}"
136     if [ ! -z "$spl_cpu" ] ; then
137         echo 'ifeq ($(CONFIG_SPL_BUILD),y)'
138         echo "CPU    = ${spl_cpu}"
139         echo "else"
140         echo "CPU    = ${cpu}"
141         echo "endif"
142     else
143         echo "CPU    = ${cpu}"
144     fi
145     echo "BOARD  = ${board}"
146
147     [ "${vendor}" ] && echo "VENDOR = ${vendor}"
148     [ "${soc}"    ] && echo "SOC    = ${soc}"
149     exit 0 ) > config.mk
150
151 # Assign board directory to BOARDIR variable
152 if [ -z "${vendor}" ] ; then
153     BOARDDIR=${board}
154 else
155     BOARDDIR=${vendor}/${board}
156 fi
157
158 #
159 # Create board specific header file
160 #
161 if [ "$APPEND" = "yes" ]        # Append to existing config file
162 then
163         echo >> config.h
164 else
165         > config.h              # Create new config file
166 fi
167 echo "/* Automatically generated - do not edit */" >>config.h
168
169 for i in ${TARGETS} ; do
170         i="`echo ${i} | sed '/=/ {s/=/  /;q; } ; { s/$/ 1/; }'`"
171         echo "#define CONFIG_${i}" >>config.h ;
172 done
173
174 echo "#define CONFIG_SYS_ARCH  \"${arch}\""  >> config.h
175 echo "#define CONFIG_SYS_CPU   \"${cpu}\""   >> config.h
176 echo "#define CONFIG_SYS_BOARD \"${board}\"" >> config.h
177
178 [ "${vendor}" ] && echo "#define CONFIG_SYS_VENDOR \"${vendor}\"" >> config.h
179
180 [ "${soc}"    ] && echo "#define CONFIG_SYS_SOC    \"${soc}\""    >> config.h
181
182 [ "${board}"  ] && echo "#define CONFIG_BOARDDIR board/$BOARDDIR" >> config.h
183 cat << EOF >> config.h
184 #include <config_cmd_defaults.h>
185 #include <config_defaults.h>
186 #include <configs/${CONFIG_NAME}.h>
187 #include <asm/config.h>
188 #include <config_fallbacks.h>
189 #include <config_uncmd_spl.h>
190 EOF
191
192 exit 0