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From: Stefan Roese <sr@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] arm: imx: Kernel not booting when environment is in QSPI
Date: Wed, 10 Jun 2015 08:55:44 +0200	[thread overview]
Message-ID: <5577DF70.3080904@denx.de> (raw)
In-Reply-To: <CAO8h3eFqaEQoWePOxX5yhLnGWPiddvkW4d6GOEvk_b=DDa2qHQ@mail.gmail.com>

Hi Matthias,

On 10.06.2015 08:19, Matthias Wei?er wrote:
> With some wild guessing I found out that it must be an interrupt
> issue. If I clear FR (offset 0x160) in the QSPI module using u-boot
> command Linux boots successfully. So it seams that u-boot should clear
> the interrupt flag of the QSPI module after it was used.

Or the Linux driver should take care of clearing this before enabling 
the interrupts instead. In general Linux should make no assumption of 
the previously used/configured devices.

Thanks,
Stefan

  reply	other threads:[~2015-06-10  6:55 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-06-09 14:41 [U-Boot] arm: imx: Kernel not booting when environment is in QSPI Matthias Weißer
2015-06-09 15:02 ` Fabio Estevam
2015-06-09 15:24   ` Nitin Garg
2015-06-10  1:45     ` Peng Fan
2015-06-10  5:47       ` Matthias Weißer
2015-06-10  6:19       ` Matthias Weißer
2015-06-10  6:55         ` Stefan Roese [this message]
2015-06-10  8:34           ` Matthias Weißer

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