From: Stefano Babic <sbabic@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH 2/3] mx5: lowlevel_init.S: Fix PLL settings for mx53
Date: Wed, 17 Oct 2012 18:11:09 +0200 [thread overview]
Message-ID: <507ED89D.5000303@denx.de> (raw)
In-Reply-To: <1350315437-29848-2-git-send-email-fabio.estevam@freescale.com>
Am 15/10/2012 17:37, schrieb Fabio Estevam:
> Currently PLL2 is not explicitely configured for mx53 and it runs at 333MHz.
>
> Since PLL2 is the parent clock for DDR2, IPU, VPU, we should set it at 400MHz
> instead.
>
> Without doing so, it is not possible to use a 2.6.35 FSL kernel and display HDMI
> at 1080p because the IPU clock cannot reach the requested frequency.
>
> Set PLL2 to 400MHz, so that 1080p can be played and the DDR2 can run at its
> maximum frequency.
>
> Also, setup the other PLL's as done in FSL U-boot and re-arrange the code a little
> bit to allow easier comparison with the original clock setup from FSL U-boot.
>
> Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
> ---
Applied to u-boot-imx, thanks.
Best regards,
Stefano Babic
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next prev parent reply other threads:[~2012-10-17 16:11 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-15 15:37 [U-Boot] [PATCH 1/3] mx5: lowlevel_init.S: Split init_clock macro Fabio Estevam
2012-10-15 15:37 ` [U-Boot] [PATCH 2/3] mx5: lowlevel_init.S: Fix PLL settings for mx53 Fabio Estevam
2012-10-17 16:11 ` Stefano Babic [this message]
2012-10-15 15:37 ` [U-Boot] [PATCH 3/3] mx53loco: Adapt the IPU clock Fabio Estevam
2012-10-17 16:11 ` Stefano Babic
2012-10-17 16:11 ` [U-Boot] [PATCH 1/3] mx5: lowlevel_init.S: Split init_clock macro Stefano Babic
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