Hi Sascha,
Now really attaching the files.
baruch
On Thu, Jun 10, 2010 at 03:42:46PM +0300, Baruch Siach wrote:
> Hi Sascha,
>
> On Thu, Jun 10, 2010 at 02:12:08PM +0200, Sascha Hauer wrote:
> > On Thu, Jun 10, 2010 at 02:49:39PM +0300, Baruch Siach wrote:
> > > On Thu, Jun 10, 2010 at 01:12:37PM +0200, Sascha Hauer wrote:
> > > > On Wed, Jun 09, 2010 at 10:05:07AM +0300, Baruch Siach wrote:
> > >
> > > [snip]
> > >
> > > > > --- a/board/freescale-mx25-3-stack/3stack.c
> > > > > +++ b/board/freescale-mx25-3-stack/3stack.c
> > > > > @@ -44,7 +44,11 @@ extern unsigned long _stext;
> > > > >
> > > > > void __naked __flash_header_start go(void)
> > > > > {
> > > > > +#if defined CONFIG_FREESCALE_MX25_3STACK_UART_BOOT
> > > > > + __asm__ (".word exception_vectors\n");
> > > > > +#else
> > > > > __asm__ __volatile__("b exception_vectors\n");
> > > > > +#endif
> > > >
> > > > Do we need this change? I booted other i.MX SoCs without it. I really
> > > > like to keep this because it enables to jump to the first address if
> > > > booting second stage.
> > >
> > > This is actually a (very) short "flash" header with only the
> > > app_code_jump_vector entry left. Only reverse engineering the Freescale ATK
> > > software revealed this secret. Reading through the i.MX25 Reference Manual I
> > > now see that there is an option to pass DCD separately, but it complicates the
> > > boot sequence. This change only affects builds when this configuration
> > > option, and this option is disabled by default.
> >
> > What do you use to upload images?
>
> I use a custom Perl script that parses a .inc file with the same syntax as the
> those distributed with the Freescale ATK. This script and the .inc file are
> attached.
>
> > I once updated my favourite terminal program microcom
> > (git://git.pengutronix.de/git/tools/microcom) to be
> > able to upload and start images. I didn't need any special images. I
> > just used the ability to write registers to initialize the SDRAM and
> > then uploaded an image to sdram with image type 0xaa which seems to
> > just start the image at the given address.
>
> What is this "given address"? Is this the same address as the image load
> address, i.e., the first instruction in the image?
>
> > Find a log attached (which is on an i.MX27, but I tested it on i.MX35 and
> > i.MX51 aswell) Maybe this could be a solution for you aswell.
>
> This could really simplify things. Is this support integrated in the git
> version of microcom?
>
> Some more question below.
>
> > Anyway, that said, I can apply your patch, too. I just find it very
> > comfortable to use one image for all boot scenarios.
> >
> > Sascha
> >
> > sha@kiwi:~/octopus/microcom/microcom ./microcom -p /dev/ttyS0 -f
> > connected to /dev/ttyS0
> > Escape character: Ctrl-\
> > Type the escape character followed by c to get to the menu or q to quit
> >
> > barebox:/
> > Enter command. Try 'help' for a list of builtin commands
> > -> x b
>
> Do you have Barebox running on the board at this point?
> Is the above 'x b' a special microcom command, or a Barebox script?
>
> I must say that Barebox is much more fun to work with than RedBoot. A huge
> improvement.
>
> Thanks.
>
> baruch
>
> > mw 0xD8001010 0x00000004
> > mw 0xD8001004 0x006ac73a
> > mw 0xD8001000 0x92100000
> > mw 0xA0000f00 0x12344321
> > mw 0xD8001000 0xa2100000
> > mw 0xA0000000 0x12344321
> > mw 0xA0000000 0x12344321
> > mw 0xD8001000 0xb2100000
> > mwb 0xA0000033 0xda
> > mwb 0xA1000000 0xff
> > mw 0xD8001000 0x82226080
> > mw 0xA0000000 0xDEADBEEF
> > mw 0xD8001010 0x0000000c
> > upload 0xa0000000 /home/sha/octopus/barebox/barebox/barebox-pcm038.bin 0xaa
> > image type: 0xaa
> >
> > ################################################################
> > ################################################################
> > ########################################
> >
> > ----------------------
> > ����
> >
> > barebox 2010.04.0-00140-g0a28ada-dirty (Apr 15 2010 - 11:40:21)
> >
> > Board: Phytec phyCORE-i.MX27
> > cfi_probe: cfi_flash base: 0xc0000000 size: 0x02000000
> > NAND device: Manufacturer ID: 0x20, Chip ID: 0x36 (ST Micro NAND 64MiB
> > 1,8V 8-bit)
> > Bad block table found at page 131040, version 0x01
> > Bad block table found at page 131008, version 0x01
> > imxfb@imxfb0: i.MX Framebuffer driver
> > ULPI Vendor ID 0xffffff92 Product ID 0xffffff92
> > No ISP1504 found
> > ehci@ehci0: USB EHCI 1.00
> > cfi_protect: protect 0xc0040000 (size 131072)
> >
> > Using environment in NOR Flash
> > initialising PLLs: 0xa7f1ea18 0xa7f291f4
> > Malloc space: 0xa6f00000 -> 0xa7f00000 (size 16 MB)
> > Stack space : 0xa6ef8000 -> 0xa6f00000 (size 32 kB)
> > running /env/bin/init...
> >
> > Hit any key to stop autoboot: 2
> >
> > type update_kernel nand|nor [<imagename>] to update kernel into flash
> > type update_root nand|nor [<imagename>] to update rootfs into flash
> >
> > barebox:/
--
~. .~ Tk Open Systems
=}------------------------------------------------ooO--U--Ooo------------{=
- baruch@xxxxxxxxxx - tel: +972.2.679.5364, http://www.tkos.co.il -
#!/usr/bin/perl
# Copyright 2009, 2010, Orex Computed Radiography
#
# This program file 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; version 2 of the License, or (at your option) any
# later version.
#
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
# for more details.
#
# You should have received a copy of the GNU General Public License. If not,
# see <http://www.gnu.org/licenses/>.
#
# Author: Baruch Siach <baruch@xxxxxxxxxx>
use strict;
use warnings;
use English;
my @cmd_status = (0x05, 0x05, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0);
my $resp1 = pack ("C4", 0x56, 0x78, 0x78, 0x56);
my $resp2 = pack ("C4", 0x12, 0x8a, 0x8a, 0x12);
my $resp3 = pack ("C4", 0x88, 0x88, 0x88, 0x88);
my $serial_dev;
my $config_file;
my $buf_in;
sub data_size {
my $bits = shift;
if ($bits == 8) {
return 0x08;
} elsif ($bits == 16) {
return 0x10;
} elsif ($bits == 32) {
return 0x20;
}
return;
}
sub hexdump {
my $buf = shift;
foreach (unpack ("C*", $buf)) {
printf "%02x ", $_;
}
print "\n";
}
sub usage {
print "usage: $0 -p serial_port -c config_file\n";
exit 0;
}
usage unless defined $ARGV[0];
while ($ARGV[0] and $ARGV[0] =~ /-(.*)/) {
if ($1 eq "p") {
$serial_dev = $ARGV[1];
shift @ARGV;
} elsif ($1 eq "c") {
$config_file = $ARGV[1];
shift @ARGV;
}
shift @ARGV;
}
usage unless defined $serial_dev;
usage unless defined $config_file;
system ("stty -F $serial_dev 115200 raw min 0 time 5") == 0
or die "stty failed: $?";
open (my $serial_fh, '+<', $serial_dev) or die "$serial_dev: $!\n";
open (my $config_fh, '<', $config_file) or die "$config_file: $!";
while (<$config_fh>) {
chomp;
next if (/^;/); # discard comments
next if (/^\s*$/); # discard empty lines
if (m#^setmem\s*/(\d*)\s*0x([[:xdigit:]]*)\s*=\s*0x([[:xdigit:]]*)#) {
my $ds = data_size $1;
my $addr = sprintf ("%08s", $2);
my $data = sprintf ("%08s", $3);
my $write_mem_cmd;
$write_mem_cmd = pack ("C2", 0x02, 0x02) .
pack ("H8", $addr) .
pack ("C", $ds) .
pack ("C4", 0x0, 0x0, 0x0, 0x0) .
pack ("H8", $data) .
pack ("C", 0x0);
print "line $.: 0x$addr <- 0x$3 ";
print $serial_fh $write_mem_cmd;
read $serial_fh, $buf_in, 8;
if ($buf_in eq $resp1 . $resp2) {
print "OK\n";
} elsif ($buf_in eq $resp1) {
print "FAIL\n";
} else {
print "UNKNOWN\n";
print " ";
foreach (unpack ("C*", $buf_in)) {
printf "%02x ", $_;
}
print "\n";
}
next;
}
if (m#^getmem\s*/(\d*)\s*0x([[:xdigit:]]*)#) {
my $bits = $1;
my $ds = data_size $bits;
my $addr = sprintf ("%08s", $2);
my $read_mem_cmd;
$read_mem_cmd = pack ("C2", 0x01, 0x01) .
pack ("H8", $addr) .
pack ("C", $ds) .
pack ("H8", "00000001") .
pack ("C5", 0x0, 0x0, 0x0, 0x0, 0x0);
print $serial_fh $read_mem_cmd;
read $serial_fh, $buf_in, 4 + ($bits/8);
if (substr ($buf_in, 0, 4) eq $resp1) {
print "$.: read at 0x$addr: ";
foreach (unpack ("C*", substr ($buf_in, 4))) {
printf "%02x ", $_;
}
print "\n";
} else {
print "line $. UNKNOWN\n";
}
next;
}
if (m#readfile,raw,gui\s*"(.*)"\s*=\s*0x([[:xdigit:]]*)#) {
my $addr = sprintf ("%08s", $2);
my $img_fh;
print "line $.: start loading $1 at 0x$addr ";
if (not open ($img_fh, '<', $1)) {
warn "$1: ", $!;
next;
}
binmode $img_fh;
my $hex_size = sprintf ("%08x", (stat ($1))[7]);
my $write_file_cmd = pack ("C2", 0x04, 0x04) .
pack ("H8", $addr) .
pack ("C", 0x0) .
pack ("H8", $hex_size) .
pack ("C5", 0x0, 0x0, 0x0, 0x0, 0xaa);
print $serial_fh $write_file_cmd;
read $serial_fh, $buf_in, 4;
if ($buf_in eq $resp1) {
print "OK\n";
} else {
print "UNKNOWN\n";
next;
}
$OUTPUT_AUTOFLUSH = 1;
print "loading... ";
my $rx;
while (($rx = read $img_fh, my $bin_buf, 1024)) {
print $serial_fh $bin_buf;
print "#";
}
$OUTPUT_AUTOFLUSH = 0;
print "\n";
if (not defined $rx) {
warn $!;
next;
}
print "line $.: execute ";
print $serial_fh pack ("C*", @cmd_status); # write something
read $serial_fh, $buf_in, 4;
if ($buf_in eq $resp3) {
print "OK\n";
} else {
print "UNKNOWN\n";
next;
}
next;
}
}
; WEIM config-CS5 init -- CPLD
setmem /32 0xB8002050 = 0x0000D843
setmem /32 0xB8002054 = 0x22252521
setmem /32 0xB8002058 = 0x22220A00
; DDR2 init
setmem /32 0xB8001004 = 0x0076E83A
setmem /32 0xB8001010 = 0x00000204
setmem /32 0xB8001000 = 0x92210000
setmem /32 0x80000f00 = 0x12344321
setmem /32 0xB8001000 = 0xB2210000
setmem /8 0x82000000 = 0xda
setmem /8 0x83000000 = 0xda
setmem /8 0x81000000 = 0xda
setmem /8 0x80000333 = 0xda
setmem /32 0xB8001000 = 0x92210000
setmem /8 0x80000400 = 0x12345678
setmem /32 0xB8001000 = 0xA2210000
setmem /32 0x80000000 = 0x87654321
setmem /32 0x80000000 = 0x87654321
setmem /32 0xB8001000 = 0xB2210000
setmem /8 0x80000233 = 0xda
setmem /8 0x81000780 = 0xda
setmem /8 0x81000400 = 0xda
setmem /32 0xB8001000 = 0x82216080
setmem /32 0x43FAC454 = 0x00001000
setmem /32 0x80000000 = 0x00000000
;setmem /32 0x53F80008 = 0x20034000
readfile,raw,gui "barebox.bin"=0x83f00000
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