On Saturday 05 April 2014 09:47:02 Pavel Machek wrote: > Hi! > > > I'm trying to get custom preloader to work (on EBV Socrates)... I > > tried applying old patch from mail archives, but a) applying patch > > from mail archives is not fun and b) it did not seem to do the trick. > > Just to make sure... right way to use the > socfpga-signed-preloader.bin is > > dd if=socfpga-signed-preloader.bin of=/dev/mmcblk0p1 bs=64k seek=0 > dd if=u-boot.img of=/dev/mmcblk0p1 bs=64K seek=4
Almost right. It must be partition 3, which must be of type A2. dd .....of=/dev/mmcblk0p3 ... I use the following script to set up an sd card with some useful partitions: #!/bin/bash # Script to partition an SDCard for the SoCFPGA # /dev/sdx3 MUST be type A2. It is used for the bootloaders. # # We also make /dev/sdx1 - FAT, then the rest is ext2 # #set -e -x DEVICE=$1 THIS_DIR="$( cd "$( dirname "$0" )" && pwd )" BASE_DIR="${THIS_DIR}/.." errmsg() { echo "Error: $@" 2>&1 } errdie() { errmsg "$@" exit 1 } log() { echo '----' echo "$@" echo '----' } usage() { echo "Usage: $1 <sd/mmc device file>" } if [ $# -ne 1 ]; then errmsg "incorrect usage" usage $0 exit 1 fi DEVICE=$1 # precondition checks if [ ! -b ${DEVICE} ]; then errdie "${DEVICE} is not an accessable block device" fi # confirm read -p "The ${DEVICE} device will be formatted. Continue? [y/n] " answer if [ "$answer" != "y" ]; then exit 0; fi # umount if device partitions are mounted for partition in `mount | grep ${DEVICE} | cut -d ' ' -f 1`; do echo "Umounting ${partition} ..." umount $partition if [ $? -ne 0 ]; then errdie "failed to umount ${partition}" fi done # go log 'Repartitioning...' # # Set up 3 partitions, then set their type. # /dev/sdx3 is the bootloader partition and must be type A2 # We add a small FAT partition, as /dev/sdx1 then the rest is # an ext2 partition. # fdisk $DEVICE << EOF o n p 3 2048 +8M n p 1 +20M n p 2 t 1 4 t 2 83 t 3 a2 p w EOF if [ $? -ne 0 ]; then errdie "repartitioning failed" fi log 'Formatting...' echo "Formatting FAT aprtition..." mkfs.vfat ${DEVICE}1 if [ $? -ne 0 ]; then errdie "formatting failed" fi echo "Formatting Linux partition ..." mkfs.ext2 ${DEVICE}2 if [ $? -ne 0 ]; then errdie "formatting failed" fi log 'Done' exit 0 #end of script _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot