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From: York Sun <yorksun@freescale.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] Secure memory
Date: Mon, 9 Nov 2015 15:54:39 -0800	[thread overview]
Message-ID: <5641323F.5070102@freescale.com> (raw)
In-Reply-To: <563D2557.6040302@freescale.com>



On 11/06/2015 02:10 PM, York Sun wrote:
> Albert,
> 
> I am trying to separate secure memory and non-secure memory for ARMv8. Before I
> go too far, I'd like to check with you to see if there is already some code
> implemented.
> 
> Basically what I am trying to do is to mark most DDR memory non-secure because
> we have some non-secure masters such as SDHC DMA. I also want to reserve some
> memory for TrustZone application. In order to do that, I need to put the MMU
> tables in secure memory. I will need to modify common/board_f.c to process
> reserve_mmu() differently for secure and non-secure mode.
> 
> Please let me know if running u-boot in non-secure mode is a bad idea.
> 

I didn't hear from you so I went ahead to implement the change. Please review
the patches, coming soon.

York

  reply	other threads:[~2015-11-09 23:54 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-11-06 22:10 [U-Boot] Secure memory York Sun
2015-11-09 23:54 ` York Sun [this message]
2015-11-10 12:17   ` Albert ARIBAUD

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