From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.85_2 #1 (Red Hat Linux)) id 1bQ7yo-0000Q4-Ex for barebox@lists.infradead.org; Thu, 21 Jul 2016 07:01:16 +0000 Date: Thu, 21 Jul 2016 09:00:48 +0200 From: Sascha Hauer Message-ID: <20160721070048.GU20657@pengutronix.de> References: <1469024265-20098-1-git-send-email-w.egorov@phytec.de> <1469024265-20098-8-git-send-email-w.egorov@phytec.de> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <1469024265-20098-8-git-send-email-w.egorov@phytec.de> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: Re: [PATCH 8/8] doc: Add RK3288 Documentation To: Wadim Egorov Cc: barebox@lists.infradead.org On Wed, Jul 20, 2016 at 04:17:45PM +0200, Wadim Egorov wrote: > Signed-off-by: Wadim Egorov > --- > Documentation/boards/rk3288.rst | 57 ++++++++++++++++++++++++++++++ > Documentation/boards/rk3288/phytec-som.rst | 24 +++++++++++++ > 2 files changed, 81 insertions(+) > create mode 100644 Documentation/boards/rk3288.rst > create mode 100644 Documentation/boards/rk3288/phytec-som.rst > > diff --git a/Documentation/boards/rk3288.rst b/Documentation/boards/rk3288.rst > new file mode 100644 > index 0000000..3acca74 > --- /dev/null > +++ b/Documentation/boards/rk3288.rst > @@ -0,0 +1,57 @@ > +Rockchip RK3288 > +=============== > + > +The RK3288 SoC has a two stage boot process. The booting is completed in two > +consecutive stages. The binary for the 1st stage is referred to as the > +Secondary Program Loader (SPL). The binary for the 2nd stage is simply referred to > +as barebox. > +SPL is a non-interactive loader and is only used to boot the 2nd stage loader. > + > +At this moment barebox can only be used as a 2nd stage bootloader. > +Starting barebox requires another bootloader which will do the very basic > +SDRAM initialization for us. We can use the u-boot for that. Do you plan to add SPL support for barebox aswell? From what I see in the U-Boot source code the Rockchip SoCs seem to be of the nicer SoCs which do not require that much and complicated setup. Sascha -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox