From: s.hauer@pengutronix.de (Sascha Hauer)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] ARM: add support for uncompressed uImage kernel
Date: Tue, 9 Nov 2010 23:38:03 +0100 [thread overview]
Message-ID: <20101109223803.GA8950@pengutronix.de> (raw)
In-Reply-To: <20101109140455.GA6680@n2100.arm.linux.org.uk>
On Tue, Nov 09, 2010 at 02:04:55PM +0000, Russell King - ARM Linux wrote:
> Is it really faster to copy an uncompressed image than it is to
> decompress using LZMA with caches on?
>
At least on an i.MX35 I can read a bigger image from NAND faster than I
can read + uncompress a smaller image. ZBOOT_ROM is no option for NAND.
Reading from NAND is done with mmu/dcache on in this case.
Sascha
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next prev parent reply other threads:[~2010-11-09 22:38 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-09 13:50 [PATCH] ARM: add support for uncompressed uImage kernel Alexander Stein
2010-11-09 14:04 ` Russell King - ARM Linux
2010-11-09 14:51 ` Uwe Kleine-König
2010-11-09 22:38 ` Sascha Hauer [this message]
2010-11-13 10:47 ` Albin Tonnerre
2010-11-18 7:38 ` Alexander Stein
2010-11-18 8:15 ` Uwe Kleine-König
2010-11-18 9:10 ` Russell King - ARM Linux
2010-11-18 10:18 ` Alexander Stein
2010-11-09 14:57 ` Uwe Kleine-König
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