From: Peter Chubb <peter.chubb@nicta.com.au>
To: Krzysztof Kozlowski <k.kozlowski.k@gmail.com>
Cc: Jonathan Corbet <corbet@lwn.net>, <linux-doc@vger.kernel.org>,
<linux-kernel@vger.kernel.org>, Kukjin Kim <kgene@kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-samsung-soc@vger.kernel.org>,
Russell King <linux@arm.linux.org.uk>,
Kevin Hilman <khilman@kernel.org>, Arnd Bergmann <arnd@arndb.de>,
Olof Johansson <olof@lixom.net>,
"Javier Martinez Canillas" <javier.martinez@collabora.co.uk>,
"Bartlomiej Zolnierkiewicz" <b.zolnierkie@samsung.com>
Subject: Re: [PATCH] Documentation: ARM: EXYNOS: Describe boot loaders interface
Date: Sat, 6 Jun 2015 21:01:00 +1000 [thread overview]
Message-ID: <848ubx2j9v.wl-peter.chubb@nicta.com.au> (raw)
In-Reply-To: <1433585151-3627-1-git-send-email-k.kozlowski.k@gmail.com>
>>>>> "Krzysztof" == Krzysztof Kozlowski <k.kozlowski.k@gmail.com> writes:
Krzysztof> Various boot loaders for Exynos based boards use certain
Krzysztof> memory addresses during booting for different
Krzysztof> purposes. Mostly this is one of following : 1. as a CPU
Krzysztof> boot address, 2. for storing magic cookie related to low
Krzysztof> power mode (AFTR, sleep).
Krzysztof> The document, based solely on kernel source code, tries to
Krzysztof> group the information scattered over different files. This
Krzysztof> would help in the future when adding support for new SoC or
Krzysztof> when extending features related to low power modes.
Is it worth grabbing the info from u=boot and documenting it here
(it's not documented other than in the hardkenel U=Boot source)?
I can send you the info, or you can see it in
https://github.com/hardkernel/u-boot/blob/odroidxu3-v2012.07/board/samsung/smdk5420/lowlevel_init.S
at symbol nscode_base near line 104
--
Dr Peter Chubb peter.chubb AT nicta.com.au
http://www.ssrg.nicta.com.au Software Systems Research Group/NICTA
next prev parent reply other threads:[~2015-06-06 11:10 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-06-06 10:05 Krzysztof Kozlowski
2015-06-06 11:01 ` Peter Chubb [this message]
2015-06-06 11:43 ` Krzysztof Kozłowski
2015-06-08 22:40 ` Jonathan Corbet
2015-06-16 23:12 ` Kevin Hilman
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