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From: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
To: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Cc: barebox@lists.infradead.org,
	Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Subject: Re: [PATCH 3/5] arm: initial support for Marvell Dove SoCs
Date: Mon, 13 May 2013 18:34:18 +0200	[thread overview]
Message-ID: <20130513183418.4f9ce9e2@skate> (raw)
In-Reply-To: <51911510.8050207@gmail.com>

Dear Sebastian Hesselbarth,

On Mon, 13 May 2013 18:30:08 +0200, Sebastian Hesselbarth wrote:

> > No, I did not test that, it was just a supposition from me that it
> > would work. I was under the impression that the SoC would load the
> > entire image in SRAM, and then go through the DATA commands and
> > apply them. But of course, if it does apply each and every DATA
> > command as soon as it receives them, then it cannot work, and
> > Barebox will have to do its remapping and give up the possibility
> > of being booted by itself.
> 
> Hmm, Dove spec says about BootROM Address Decoding:
> "BootROM firmware uses the default address map, and does not change it
> throughout the entire boot process."
> 
> And of course, if you change the address map early, BootROM will fail
> to access peripherals (SPI, I2C, NAND, ...).
> 
> Remap by kwbimage.cfg looks like a no-go.

Looks like, yes. Thanks for the testing and investigation!

Thomas
-- 
Thomas Petazzoni, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.
http://free-electrons.com

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  reply	other threads:[~2013-05-13 16:34 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-05-12 13:09 [PATCH 0/5] Initial support for Marvell Dove SoCs Sebastian Hesselbarth
2013-05-12 13:09 ` [PATCH 1/5] scripts: kwbimage: add references to Marvell Dove SoC Sebastian Hesselbarth
2013-05-12 13:09 ` [PATCH 2/5] scripts: kwboot: add support for Marvell Dove Sebastian Hesselbarth
2013-05-12 16:48   ` Thomas Petazzoni
2013-05-12 13:09 ` [PATCH 3/5] arm: initial support for Marvell Dove SoCs Sebastian Hesselbarth
2013-05-12 16:49   ` Thomas Petazzoni
2013-05-12 16:51     ` Sebastian Hesselbarth
2013-05-12 17:19       ` Thomas Petazzoni
2013-05-12 17:26         ` Sebastian Hesselbarth
2013-05-13  7:58   ` Sascha Hauer
2013-05-13  9:17     ` Sebastian Hesselbarth
2013-05-13 10:57       ` Sascha Hauer
2013-05-13 13:06         ` Sebastian Hesselbarth
2013-05-13 14:11           ` Sascha Hauer
2013-05-13 14:23           ` Thomas Petazzoni
2013-05-13 15:14             ` Sebastian Hesselbarth
2013-05-13 16:12             ` Sebastian Hesselbarth
2013-05-13 16:21               ` Thomas Petazzoni
2013-05-13 16:30                 ` Sebastian Hesselbarth
2013-05-13 16:34                   ` Thomas Petazzoni [this message]
2013-05-13 16:48                     ` Sebastian Hesselbarth
2013-05-13 17:14                       ` Thomas Petazzoni
2013-05-13 17:42                         ` Sebastian Hesselbarth
2013-05-15  5:55       ` Sascha Hauer
2013-05-15  6:20         ` Sebastian Hesselbarth
2013-05-15  6:39           ` Sascha Hauer
2013-05-15  6:48             ` Sebastian Hesselbarth
2013-05-15  7:29           ` Thomas Petazzoni
2013-05-15  8:03             ` Lucas Stach
2013-05-15  8:11               ` Thomas Petazzoni
2013-05-15  7:26         ` Thomas Petazzoni
2013-05-15  8:11           ` Sascha Hauer
2013-05-15  8:19             ` Thomas Petazzoni
2013-05-12 13:09 ` [PATCH 4/5] arm: add basic support for SolidRun CuBox Sebastian Hesselbarth
2013-05-12 20:28   ` [PATCH v2 " Sebastian Hesselbarth
2013-05-12 13:09 ` [PATCH 5/5] arm: mach-mvebu: rename Armada 370/XP core code Sebastian Hesselbarth
2013-05-12 16:50   ` Thomas Petazzoni
2013-05-12 16:53     ` Sebastian Hesselbarth
2013-05-12 20:29   ` [PATCH v2 " Sebastian Hesselbarth

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