From: J.P. Casainho <casainho@gmail.com>
To: u-boot@lists.denx.de
Subject: [U-Boot-Users] help in understand the address of standaloneapplications, ARM MCU
Date: Mon, 12 May 2008 01:01:08 +0100 [thread overview]
Message-ID: <200805120101.08433.casainho@gmail.com> (raw)
In-Reply-To: <00a201c8b3a7$8aba13a0$030514ac@atmel.com>
I would like to "thank you" everyone who did answered to my questions.
I got now a simple code to work, my first stand alone application :-) - I did
used that values suggested by Wolfgang Den and Alessandro Rubini, both values
work :-)
I did read the include/configs/sam9l9260.h but I couldn't understand where is
the information of the first address on SDRAM that I can use for a standalone
application. I am not worried for now about that.
I tried a more complex code that uses a periodic interval timer to do a delay
on flash LED code however this code does not work, It comes back to U-Boot
shell with return value of 1. What can I be doing wrong?
So, to resume and maybe in hope to help someone like me:
My standalone application that is working:
http://code.google.com/p/rockboxplayer/source/browse/flash_led-0.c
My make file:
http://code.google.com/p/rockboxplayer/source/browse/Makefile?r=11
And I just needed to do on U-Boot shell:
"tftp 0x20040000 flash_LED.bin" and after "go 0x20040000" :-) :-)
Thank you all :-) :-)
next prev parent reply other threads:[~2008-05-12 0:01 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-05-11 16:36 [U-Boot-Users] help in understand the address of standalone applications, ARM MCU J.P. Casainho
2008-05-11 18:31 ` Wolfgang Denk
2008-05-11 19:51 ` J.P. Casainho
2008-05-11 20:22 ` Alessandro Rubini
2008-05-11 20:36 ` Wolfgang Denk
2008-05-11 20:40 ` [U-Boot-Users] help in understand the address of standaloneapplications, " Ulf Samuelsson
2008-05-12 0:01 ` J.P. Casainho [this message]
-- strict thread matches above, loose matches on Subject: below --
2008-05-12 8:50 J.P. Casainho
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