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From: Denis OSTERLAND <denis.osterland@diehl.com>
To: "s.hauer@pengutronix.de" <s.hauer@pengutronix.de>,
	"mkl@pengutronix.de" <mkl@pengutronix.de>
Cc: "barebox@lists.infradead.org" <barebox@lists.infradead.org>
Subject: Re: [PATCH v2] hab: Print events on info command.
Date: Mon, 15 Oct 2018 08:41:45 +0000	[thread overview]
Message-ID: <1539592904.5886.15.camel@diehl.com> (raw)
In-Reply-To: <f20161e0-4c3b-9cd1-539b-dfd444085e24@pengutronix.de>

Hi,

Am Freitag, den 12.10.2018, 08:23 +0200 schrieb Marc Kleine-Budde:
> 
> The faulting zero page problem doesn't occur on mx25 and mx28 as the HAB
> ROM doesn't live at 0x0:
> 
> #define HABV4_RVT_IMX28 0xffff8af8
> 
> int imx25_hab_get_status(void)
> {
>         return imx_habv3_get_status(readl(IOMEM(0x780018d4)));
> }
> 
> Marc
> 

Thanks for the info.
This becomes a problem when MMU is enabled again.
I think this will require explicit mapping.
I am not sure if it is possible to access the ABI through mapped addresses.
Is it possible to force mapping at exact this addresses?

Regards Denis


Diehl Connectivity Solutions GmbH
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  reply	other threads:[~2018-10-15  8:42 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-10-04  7:05 [PATCH] " Denis OSTERLAND
2018-10-04 21:14 ` Andrey Smirnov
2018-10-05  6:58 ` [PATCH v2] " Denis OSTERLAND
2018-10-10  7:51   ` Sascha Hauer
2018-10-10  9:29     ` Denis OSTERLAND
2018-10-12  6:23     ` Marc Kleine-Budde
2018-10-15  8:41       ` Denis OSTERLAND [this message]
2018-10-15  8:46         ` Marc Kleine-Budde

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