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From: Marek Vasut <marex@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] Enabling L2 cache on mx53
Date: Mon, 19 Aug 2013 21:51:17 +0200	[thread overview]
Message-ID: <201308192151.18036.marex@denx.de> (raw)
In-Reply-To: <CAOMZO5Cos93p6ALymw+6o1h2vZAwhw8xxZ+DvQy9zY=+WYxyiA@mail.gmail.com>

Dear Fabio Estevam,

> Hi Dirk,
> 
> On Mon, Aug 19, 2013 at 12:16 PM, Dirk Behme <dirk.behme@gmail.com> wrote:
> > Is the mx53 L2 cache the same like on mx6?
> 
> I think they are different.
> 
> On mx6 the L2 cache controller is memory mapped ,but on mx53 there is
> no L2 cache entry in its memory map.
> 
> Regards,
> 
> Fabio Estevam

L2CC on MX53 is enabled by setting just the L2ON and C bits in CP15, there's no 
configuration. Not even Linux enables the L2CC on MX53, so if it's not on in U-
Boot, then it's not on at all (and that sucks).

Best regards,
Marek Vasut

  reply	other threads:[~2013-08-19 19:51 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-08-19 13:55 [U-Boot] Enabling L2 cache on mx53 Fabio Estevam
2013-08-19 15:16 ` Dirk Behme
2013-08-19 15:22   ` Fabio Estevam
2013-08-19 19:51     ` Marek Vasut [this message]
2013-08-19 20:26       ` Fabio Estevam
2013-08-19 20:31         ` Marek Vasut
2013-08-20  7:21           ` Stefano Babic

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