mirror of
git://projects.qi-hardware.com/wernermisc.git
synced 2024-12-20 14:57:21 +02:00
135 lines
3.3 KiB
Bash
Executable File
135 lines
3.3 KiB
Bash
Executable File
#!/bin/sh
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#
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# m1nor - Flash a file to M1 NOR partition selected by the file name
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#
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# Written 2011 by Werner Almesberger
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# Copyright 2011 by Werner Almesberger
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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#
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# According to
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# http://www.milkymist.org/wiki/index.php?title=Flashing_the_Milkymist_One#Flash_Memory_Distribution
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#
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# standby.fpg 0x0000 0000 640k
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# soc-rescue.fpg 0x000A 0000 1536k
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# bios-rescue.bin 0x0022 0000 128k
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# splash-rescue.raw 0x0024 0000 640k
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# flickernoise.fbi(res) 0x002E 0000 4096k
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# soc.fpg 0x006E 0000 1536k alias: system.fpg
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# bios.bin 0x0086 0000 128k
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# splash.raw 0x0088 0000 640k
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# flickernoise.fbi 0x0092 0000 4096k
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# (data) 0x00D2 0000 19328k
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#
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classify()
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{
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if [ ! -r "$1" ]; then
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echo "$1: cannot read" 1>&2
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exit 1
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fi
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b=${1##*/}
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if [ "${b#standby}" != "$b" ]; then off=0x0; ext=.fpg
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elif [ "${b#soc-rescue}" != "$b" ]; then off=0xa0000; ext=.fpg
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elif [ "${b#bios-rescue}" != "$b" ]; then off=0x220000; ext=.bin
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elif [ "${b#splash-rescue}" != "$b" ]; then off=0x240000; ext=.raw
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elif [ "${b#flickernoise-rescue}" != "$b" ]; then off=0x2e0000; ext=.fbi
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elif [ "${b#soc}" != "$b" ]; then off=0x6e0000; ext=.fpg
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elif [ "${b#system}" != "$b" ]; then off=0x6e0000; ext=.fpg
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elif [ "${b#bios}" != "$b" ]; then off=0x860000; ext=.bin
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elif [ "${b#splash}" != "$b" ]; then off=0x880000; ext=.raw
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elif [ "${b#flickernoise}" != "$b" ]; then off=0x920000; ext=.fbi
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elif [ "${b#data}" != "$b" ]; then off=0xd20000; ext=
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else
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echo "$1: unrecognized file name" 1>&2
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exit 1
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fi
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if [ "$ext" -a "${1%$ext}" = "$1" ]; then
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echo "$1: extension mismatch (expected $ext)" 1>&2
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exit 1
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fi
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}
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if [ -z "$1" ]; then
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echo "usage: $0 filename ..." 1>&2
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exit 1
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fi
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if [ "$FJMEM_BIT" ]; then
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fjmem=$FJMEM_BIT
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else
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fjmem=
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for n in $HOME/.qi/milkymist/*/fjmem.bit \
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$HOME/.qi/milkymist/*/*/fjmem.bit \
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/usr/local/share/milkymist/fjmem.bit \
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/usr/share/milkymist/fjmem.bit; do
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if [ -r "$n" ]; then
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fjmem="$n"
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break
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fi
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done
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if [ -z "$fjmem" ]; then
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echo "cannot find fjmem.bit (consider setting FJMEM_BIT)" 1>&2
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exit 1
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fi
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fi
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for n in "$@"; do
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classify "$n"
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done
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(
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cat <<EOF
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cable milkymist
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detect
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instruction CFG_OUT 000100 BYPASS
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instruction CFG_IN 000101 BYPASS
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pld load "$fjmem"
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initbus fjmem opcode=000010
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frequency 6000000
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detectflash 0
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endian big
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EOF
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for n in "$@"; do
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classify "$n"
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echo flashmem "$off" "$n" noverify
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done
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echo lockflash 0 55
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echo detectflash 0
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echo pld reconfigure
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) | jtag -q || exit
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#
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# Fun fact: a direct flashmem-lockflash-pld reconfigure sequence leaves
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# the FPGA in a weird state from which it can't boot out of standby, neither
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# via JTAG (pld load ...) or by pressing the middle button.
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#
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# The only thing that seems to help is to run "detectflash" after the locking.
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# (Tried "peek", "usleep", "pld readreg", ... without success.)
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#
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#
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# FIXME: the exit code of "jtag" doesn't indicate whether the session was
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# successful.
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#
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first=true
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for n in "$@"; do
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classify "$n"
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echo -n "Flashed $n at offset $off" 1>&2
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if $first; then
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echo " using $fjmem" 1>&2
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else
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echo 1>&2
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fi
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first=false
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done
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