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From: Miquel Raynal <miquel.raynal@bootlin.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] tpm TIS TPMv2.0
Date: Mon, 18 Jun 2018 11:47:13 +0200	[thread overview]
Message-ID: <20180618114713.1af422fd@xps13> (raw)
In-Reply-To: <CD66EE5B80A65C4A89E8DE986277AC94200D7457@depoiy0mx08mbx2.emea.avnet.com>

Hi Martin,

> > > Nevertheless one question: Why did you define another dts binding
> > > instead of using that one what is already available on the Linux
> > > kernel? There is "tcg,tpm_tis-spi"  already defined.  
> > 
> > I did not know this one, actually I mostly worked on U-Boot.
> > 
> > However, this compatible is misleading as it does not make any difference
> > between v1.x and v2.0 specification.  
> 
> But on the other hand it would give us a chance to determine the version at 
> runtime what could be beneficial for firmware updates. But this is a special case.

We already discussed that point on the ML and decided to choose the
version at compile time. I did not have the firmware update case in
mind though.

Regards,
Miquèl

  reply	other threads:[~2018-06-18  9:47 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-06-15 13:34 [U-Boot] tpm TIS TPMv2.0 Hecht, Martin
2018-06-18  8:04 ` Miquel Raynal
2018-06-18  8:20   ` Hecht, Martin
2018-06-18  8:43     ` Miquel Raynal
2018-06-18  9:13       ` Hecht, Martin
2018-06-18  9:21         ` Miquel Raynal
2018-06-18  9:29           ` Hecht, Martin
2018-06-18  9:34             ` Miquel Raynal
2018-06-18  9:38               ` Hecht, Martin
2018-06-18  9:47                 ` Miquel Raynal [this message]
2018-06-19 22:03                   ` Simon Glass
2018-06-20  8:16                     ` Hecht, Martin
2018-07-13 19:30         ` Miquel Raynal
2018-07-14 13:04           ` Hecht, Martin
2018-07-14 13:10             ` Miquel Raynal

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