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From: Sascha Hauer <s.hauer@pengutronix.de>
To: Roland Hieber <r.hieber@pengutronix.de>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH] doc: bcm283x: update documentation for Raspberry Pi
Date: Tue, 6 Feb 2018 09:52:29 +0100	[thread overview]
Message-ID: <20180206085229.g2isjcnbioa7xk7k@pengutronix.de> (raw)
In-Reply-To: <20180130112523.20258-1-r.hieber@pengutronix.de>

On Tue, Jan 30, 2018 at 12:25:23PM +0100, Roland Hieber wrote:
> The old way does not seem to work for RPi 3, as the UART pins are
> mapped differently and the NOOBS bootcode does not seem to read a
> config.txt.
> 
> Signed-off-by: Roland Hieber <r.hieber@pengutronix.de>
> ---
>  Documentation/boards/bcm2835.rst | 34 ++++++++++++++++++++++++++--------
>  1 file changed, 26 insertions(+), 8 deletions(-)

Applied, thanks

Sascha

> 
> diff --git a/Documentation/boards/bcm2835.rst b/Documentation/boards/bcm2835.rst
> index 13cebb01c4..1a78cfba3c 100644
> --- a/Documentation/boards/bcm2835.rst
> +++ b/Documentation/boards/bcm2835.rst
> @@ -1,17 +1,35 @@
> -Broadcom BCM2835
> +Broadcom BCM283x
>  ================
>  
>  Raspberry Pi
>  ------------
>  
> -  1. Prepare a card with a FAT filesystem. Download a tiny NOOBS LITE
> -     zip archive and unpack it into FAT partition.
> -     See http://www.raspberrypi.org/help/noobs-setup/ for details.
> +  1. Prepare an SD or microSD card with a FAT filesystem of at least 30 MB in size.
> +       
> +  2. Download the `Raspberry Pi firmware`_ (120 MB), unzip it, and copy the
> +     contents of the ``boot/`` folder to your card.
>  
> -  2. Compile ``barebox.bin`` image (use ``rpi_defconfig``).
> -     Copy it to the SD/microSD card and name it ``recovery.img``.
> +  3. Use ``make rpi_defconfig; make`` to build barebox. This will create the following images:
>  
> -  3. Connect to board's UART (115200 8N1);
> +     - ``images/barebox-raspberry-pi-1.img`` for the BCM2835/ARM1176JZF-S (Raspberry Pi 1)
> +     - ``images/barebox-raspberry-pi-2.img`` for the BCM2836/CORTEX-A7 (Raspberry Pi 2)
> +     - ``images/barebox-raspberry-pi-3.img`` for the BCM2837/CORTEX-A53 (Raspberry Pi 3, Raspberry Pi Zero)
> +    
> +     Copy the respective image for your model to your SD card and name it
> +     ``barebox.img``.
> +
> +  4. Create a text file ``config.txt`` on the SD card with the following content::
> +
> +         kernel=barebox.img
> +         enable_uart=1
> +         dtoverlay=pi3-miniuart-bt
> +
> +     (For more information, refer to the `documentation for config.txt`_.)
> +
> +  5. Connect to board's UART (115200 8N1);
>       Use PIN6 (GND), PIN8 (UART_TX), PIN10 (UART_RX) pins.
>  
> -  4. Turn board's power on.
> +  6. Turn board's power on.
> +
> +.. _Raspberry Pi firmware: https://codeload.github.com/raspberrypi/firmware/zip/80e1fbeb78f9df06701d28c0ed3a3060a3f557ef
> +.. _documentation for config.txt: https://www.raspberrypi.org/documentation/configuration/config-txt/
> -- 
> 2.11.0
> 
> 
> _______________________________________________
> barebox mailing list
> barebox@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/barebox
> 

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  parent reply	other threads:[~2018-02-06  8:52 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-01-30 11:25 Roland Hieber
2018-02-05 13:10 ` Roland Hieber
2018-02-06  8:52 ` Sascha Hauer [this message]
2018-03-26  9:31   ` Roland Hieber
2018-04-09  8:59 ` [RESEND] " Roland Hieber
2018-04-10  7:08   ` Sascha Hauer

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