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From: Igor Grinberg <grinberg@compulab.co.il>
To: u-boot@lists.denx.de
Subject: [U-Boot] [RFC PATCH] arm: mx6: Clamp MMDC and DDR3 clocks for timing calculations
Date: Wed, 22 Apr 2015 09:08:47 +0300	[thread overview]
Message-ID: <55373AEF.9090406@compulab.co.il> (raw)
In-Reply-To: <1429223817-10076-1-git-send-email-picmaster@mail.bg>

On 04/17/15 01:36, Nikolay Dimitrov wrote:
> This is proposal for clamping the MMDC/DDR3 clocks to the maximum supported
> frequencies as per imx6 SOC models, and for dynamically calculating valid
> clock value based on mem_speed.
> 
> Currently the code uses impossible values for mem_speed (1333, 1600 MT/s) for
> calculating the DDR timings, and uses fixed clock (528 or 400 MHz) which
> doesn't take into account DDR3 memory limitations.
> 
> Signed-off-by: Nikolay Dimitrov <picmaster@mail.bg>
> Cc: Fabio Estevam <festevam@gmail.com>
> Cc: Stefano Babic <sbabic@denx.de>
> Cc: Tim Harvey <tharvey@gateworks.com>
> Cc: Eric Nelson <eric.nelson@boundarydevices.com>

Acked-by: Igor Grinberg <grinberg@compulab.co.il>


-- 
Regards,
Igor.

  parent reply	other threads:[~2015-04-22  6:08 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-04-16 22:36 [U-Boot] [RFC PATCH] arm: mx6: Clamp MMDC and DDR3 clocks for timing calculations Nikolay Dimitrov
2015-04-17  0:53 ` Otavio Salvador
2015-04-21  4:17 ` Tim Harvey
2015-04-22  6:08 ` Igor Grinberg [this message]
2015-04-22 12:12 ` Stefano Babic
2015-04-22 12:22   ` Nikolay Dimitrov
2015-04-22 12:47     ` Stefano Babic
2015-04-22 14:02     ` Stefano Babic
2015-04-23 14:26       ` Nikolay Dimitrov
2015-04-23 14:28         ` Stefano Babic

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