From: Marek Vasut <marek.vasut@gmail.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH 1/2] v2 i.MX28: Fix ref_cpu clock setup
Date: Mon, 6 Feb 2012 13:20:37 +0100 [thread overview]
Message-ID: <201202061320.37270.marek.vasut@gmail.com> (raw)
In-Reply-To: <6EA3E0BCC03CC34B89B01BD57ECBC718F65163@POBOX.postoffice.danego.net>
> Hi,
>
> This patch fixes ref_cpu clock setup. This bug leads to a hanging board
> after rebooting from the Kernel, due to failing memory size detection:
> U-Boot 2011.12-svn342 (Feb 02 2012 - 17:20:00)
>
> Freescale i.MX28 family
> I2C: ready
> DRAM: 0 Bytes
>
> The cause of the bug is register hw_clkctrl_frac0 being accessed as
> a 32-bit long, whereas the manual specifically states it can be accessed
> as bytes only.
>
> This patches introduces an 8-bit wide register type, mx28_register_8.
> The already existing mx28_register has been renamed mx28_register_32.
>
> With this patch, U-Boot no longer hangs after an i.mx28 based board
> was reset from the Kernel.
>
> (PS: I hope this email is properly formatted now, after fight our exchange
> server for a whole morning and loosing in the end)
>
btw 2/2 is missing?
M
next prev parent reply other threads:[~2012-02-06 12:20 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <6EA3E0BCC03CC34B89B01BD57ECBC718F65163@POBOX.postoffice.danego.net>
2012-02-06 12:20 ` [U-Boot] [PATCH 1/2] v2 i.MX28: Fix ref_cpu clock setup Marek Vasut
2012-02-06 12:33 ` Robert Deliën
2012-02-06 12:49 ` Marek Vasut
2012-02-06 13:03 ` Robert Deliën
2012-02-06 13:15 ` Marek Vasut
2012-02-06 12:56 ` Marek Vasut
2012-02-06 14:28 ` Robert Deliën
2012-02-06 14:40 ` Marek Vasut
2012-02-06 12:20 ` Marek Vasut [this message]
2012-02-06 12:38 ` Robert Deliën
2012-02-06 12:49 ` Marek Vasut
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