#!/bin/sh # # m1nor - Flash a file to M1 NOR partition selected by the file name # # Written 2011 by Werner Almesberger # Copyright 2011 by Werner Almesberger # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # # According to # http://www.milkymist.org/wiki/index.php?title=Flashing_the_Milkymist_One#Flash_Memory_Distribution # # standby.fpg 0x0000 0000 640k # soc-rescue.fpg 0x000A 0000 1536k # bios-rescue.bin 0x0022 0000 128k # splash-rescue.raw 0x0024 0000 640k # flickernoise.fbi(res) 0x002E 0000 4096k # soc.fpg 0x006E 0000 1536k # bios.bin 0x0086 0000 128k # splash.raw 0x0088 0000 640k # flickernoise.fbi 0x0092 0000 4096k # (data) 0x00D2 0000 19328k # if [ -z "$1" ]; then echo "usage: $0 filename" 1>&2 exit 1 fi if [ ! -r "$1" ]; then echo "cannot read $1" 1>&2 exit 1 fi n=${1##*/} if [ "${n#standby}" != "$n" ]; then off=0x0; ext=.fpg elif [ "${n#soc-rescue}" != "$n" ]; then off=0xa0000; ext=.fpg elif [ "${n#bios-rescue}" != "$n" ]; then off=0x220000; ext=.bin elif [ "${n#splash-rescue}" != "$n" ]; then off=0x240000; ext=.raw elif [ "${n#flickernoise-rescue}" != "$n" ]; then off=0x2e0000; ext=.fbi elif [ "${n#soc}" != "$n" ]; then off=0x6e0000; ext=.fpg elif [ "${n#bios}" != "$n" ]; then off=0x860000; ext=.bin elif [ "${n#splash}" != "$n" ]; then off=0x880000; ext=.raw elif [ "${n#flickernoise}" != "$n" ]; then off=0x920000; ext=.fbi elif [ "${n#data}" != "$n" ]; then off=0xd20000; ext= else echo "unrecognized file name" 1>&2 exit 1 fi if [ "$ext" -a "${1%$ext}" = "$1" ]; then echo "extension mismatch (expected $ext)" 1>&2 exit 1 fi if [ "$FJMEM_BIT" ]; then fjmem=$FJMEM_BIT else fjmem= for n in $HOME/.qi/milkymist/*/fjmem.bit \ $HOME/.qi/milkymist/*/*/fjmem.bit; do if [ -r "$n" ]; then fjmem="$n" break fi done if [ -z "$fjmem" ]; then echo "cannot find fjmem.bit (consider setting FJMEM_BIT)" 1>&2 exit 1 fi fi jtag <<EOF cable milkymist detect instruction CFG_OUT 000100 BYPASS instruction CFG_IN 000101 BYPASS pld load "$fjmem" initbus fjmem opcode=000010 frequency 6000000 detectflash 0 endian big flashmem "$off" "$1" noverify pld reconfigure EOF echo "Flashed $1 at offset $off using $fjmem" 1>&2