From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 7916 invoked by alias); 21 Oct 2003 14:47:20 -0000 Mailing-List: contact ecos-discuss-help@sources.redhat.com; run by ezmlm Precedence: bulk List-Subscribe: List-Archive: List-Post: List-Help: , Sender: ecos-discuss-owner@sources.redhat.com Received: (qmail 7896 invoked from network); 21 Oct 2003 14:47:19 -0000 Received: from unknown (HELO mta03.btfusion.com) (62.172.195.12) by sources.redhat.com with SMTP; 21 Oct 2003 14:47:19 -0000 Received: from [217.35.131.33] (helo=blade) by mta03.btfusion.com with esmtp (Exim 4.24) id 1ABxn4-0007ik-En; Tue, 21 Oct 2003 15:47:18 +0100 From: Jay Bennie To: Horst Kronstorfer Cc: ecos-discuss@sources.redhat.com In-Reply-To: <20031021160727.A17571@frqwol30ux.frequentis.frq> References: <1066743305.13667.35.camel@blade> <20031021160727.A17571@frqwol30ux.frequentis.frq> Content-Type: text/plain Organization: Lincore Message-Id: <1066747637.13667.59.camel@blade> Mime-Version: 1.0 Date: Tue, 21 Oct 2003 14:47:00 -0000 Content-Transfer-Encoding: 7bit Subject: Re: [ECOS] Loading the rom on an AT91EB40A X-SW-Source: 2003-10/txt/msg00364.txt.bz2 success - I now understand the line in the help which said to "Use minicom to send the file redboot_ROM.srec via YModem" somethings are not obvious until pointed out! PS : Greetings HK, and thanks for the help:) On Tue, 2003-10-21 at 15:07, Horst Kronstorfer wrote: > On Tue, Oct 21, 2003 at 02:35:06PM +0100, Jay Bennie wrote: > > Hi, > > > > after days of digging, I'm starting to get the hang of eCos and embedded > > development in general. > > > > Anyway to describe the setup. > > > > I have a standard AT91EB40A(Ver 1.0 Rev 0) Eval board from Atmel. > > Flash is a AT49BV1614A > > > > so far - after many wrong turns i have the following > > > > ecos-2.0 installed to /opt/ecos as installed by the scripts > > cvs is current (21st October 2003) and located in /opt/ecos/cvs/ecos > > > > i have modified /opt/ecos/ecosenv.sh to point to the cvs Package > > repository > > > > Then in my home directory i have ecos/ram and ecos/rom > > > > to build the file redboot.elf (Ram version) > > > > i run the following commands: > > $ cd ram > > $ ecosconfig new eb40a redboot > > $ ecosconfig import > > /opt/ecos/cvs/ecos/ecos/packages/hal/arm/at91/eb40a/current/misc/redboot_RAM.ecm > > $ ecosconfig tree > > $ make > > > > to build the ROM files > > > > $ cd ../rom > > $ ecosconfig new eb40a redboot > > $ ecosconfig import > > /opt/ecos/cvs/ecos/ecos/packages/hal/arm/at91/eb40a/current/misc/redboot_ROM.ecm > > $ ecosconfig tree > > $ make > > > > then return to ram/install/bin > > and type > > $ arm-elf-gdb redboot.elf > > > > > > tar rdi s=/dev/ttyS0 > > set $cpsr=0xd3 > > load > > > > cont > > > > > > < now open minicom > > > $ minicom > > > > // ================================ Start of paste =============== > > > > RedBoot> AT S7=45 S0=0 L1 V1 X4 &c1 E1 Q0 > > ** Error: Illegal command: "AT" > > RedBoot> version > > > > RedBoot(tm) bootstrap and debug environment [RAM] > > Non-certified release, version UNKNOWN - built 13:41:16, Oct 21 2003 > > > > Platform: Atmel AT91/EB40A (ARM7TDMI) > > Copyright (C) 2000, 2001, 2002, Red Hat, Inc. > > > > RAM: 0x00000000-0x00040000, [0x0001ff88-0x0003f000] available > > FLASH: 0x01000000 - 0x01200000, 32 blocks of 0x00010000 bytes each. > > RedBoot> load -m ymodem -b %{FREEMEMLO} > > CCCCCCCCC...........Can't load '': Timed out > > RedBoot> > > now its time to type CTRL-a s in minicom. this opens a dialog where > you should choose ymodem, next window lets you select a file. oke? > > greetings > hk. > tip to those reading this - when minicom starts to return CCCCCC you do the ctrl - a s and select the rom file in my case rom/install/bin/redBoot.srec This loads the file into the buffer -> %{FREEMEMLO} which is then written with the next command to the flash. (note you have to say yes to the write question) the output from my session was // =========================== Start paste output ============== RedBoot> version RedBoot(tm) bootstrap and debug environment [RAM] Non-certified release, version UNKNOWN - built 13:41:16, Oct 21 2003 Platform: Atmel AT91/EB40A (ARM7TDMI) Copyright (C) 2000, 2001, 2002, Red Hat, Inc. RAM: 0x00000000-0x00040000, [0x0001ff88-0x0003f000] available FLASH: 0x01000000 - 0x01200000, 32 blocks of 0x00010000 bytes each. RedBoot> load -m ymodem -b %{FREEMEMLO} CCAddress offset = 0xff020000 Entry point: 0x00020040, address range: 0x00020000-0x0002ebd0 xyzModem - CRC mode, 1418(SOH)/0(STX)/0(CAN) packets, 9 retries RedBoot> fi wr -f 0x01100000 -b %{FREEMEMLO} -l 0x010000 * CAUTION * about to program FLASH at 0x01100000..0x0110ffff from 0x00020000 - continue (y/n)? y ... Erase from 0x01100000-0x01110000: . ... Program from 0x00020000-0x00030000 at 0x01100000: . RedBoot> + RedBoot(tm) bootstrap and debug environment [ROM] Non-certified release, version UNKNOWN - built 13:42:25, Oct 21 2003 Platform: Atmel AT91/EB40A (ARM7TDMI) Copyright (C) 2000, 2001, 2002, Red Hat, Inc. RAM: 0x00000000-0x00040000, [0x0000a928-0x0003f000] available FLASH: 0x01000000 - 0x01200000, 32 blocks of 0x00010000 bytes each. RedBoot> ^C RedBoot> // =========================== End paste output ============== note: in the above at line "RedBoot> +" i swapped the JP1 jumper and pressed reset - RedBoot is now successfully stored on the flash and with JP1 in the "USER" position loads directly into ram. > > > > > > // ================================ End of paste =============== > > > > I have to say i don't follow what this is doing, i assumed that i would > > need to specify the loactaion of the rom file > > /home/jbennie/ecos/rom/install/bin/redboot.srec but from the help for > > the AT91 this does not appear to be the case. I now assume that the ram > > image is dumped from memory into the flash using the next command > > > > e.g. RedBoot> fi wr -f 0x01100000 -b %{FREEMEMLO} -l 0x010000 > > > > - I also noted that there are differences between my memory map and that > > published in the help > > > > http://sources.redhat.com/ecos/docs-latest/ref/at91.html > > > > Anyway, given that I'm new to all of this any help would be appreciated > > and if anyone has any specific advice on the eb40a I'd appreciate a > > quick email as i need to compile as much of this information into an > > eCos for the eb40a FAQ/mini-HOWTO, it will help the other people i'm > > working with get up to speed and hopefully be of some use to the > > community as well. > > > > Regards > > Jay > > > > --------------------------------------- > > lincore information systems limited > > mob:07976 300036 > > eml:jay@lincore.com | jay@lincore.co.uk > > --------------------------------------- > > > > > > > > > > > > > > > > -- > > Before posting, please read the FAQ: http://sources.redhat.com/fom/ecos > > and search the list archive: http://sources.redhat.com/ml/ecos-discuss -- Before posting, please read the FAQ: http://sources.redhat.com/fom/ecos and search the list archive: http://sources.redhat.com/ml/ecos-discuss