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From: "Stefan Lehner" <stefan-lehner@aon.at>
To: <linux-arm-kernel@lists.infradead.org>
Cc: 'Russell King - ARM Linux admin' <linux@armlinux.org.uk>
Subject: RE: StrongARM SA-1110 / SA-1111 and Kernel 4.9.210 (Jornada 720)
Date: Wed, 22 Jan 2020 11:21:36 +0100	[thread overview]
Message-ID: <000601d5d10d$ba6292e0$2f27b8a0$@at> (raw)
In-Reply-To: <20200122092221.GL25745@shell.armlinux.org.uk>


On Wed, Jan 22, 2020 at 09:10:13AM +0100, Stefan Lehner wrote:
> Hi!
> I like to get a newer Linux Kernel running on my Jornada 720. It has a
> StrongArm SA-1110 CPU and the SA-1111 companion chip. 
> I patched the kernel source with the BX emulation to run a newer Debian
> userland. The kernel compiled fine. 
> It starts to boot on the Jornada with the linexec bootloader. But it seems
> that it doesnt detect any CF or PCMCIA card. I managed to get the
> jornada720_pcmcia_configure_socket() running and it detects the card and
> powers it up with the correct voltage (3V for the CF card in socket 1).

>> What was required for that?

I had to comment out: 
# CONFIG_PCMCIA_SA1100 is not set
and activate:
CONFIG_PCMCIA_SA1111=y
in the kernel .config.


> But
> thats all. No CF card is being recognized and so the IDE driver cannot
load
> the card. The same thing happens if i insert a PCMCIA card into socket 0,
> jornada720_pcmcia_configure_socket() powers it up with the correct voltage
> but the card itself is not recognized.  I hope that somebody can help me
or
> give me a hint to solve this!

>> Have you tried "rootdelay=2" on the kernel command line, just in case
>> it needs a bit of time to run other threads to probe the card?

You sir, are a genius! That was it. Now i can move on.
Thank you very much.

Bye
Stefan



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  reply	other threads:[~2020-01-22 10:21 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-22  8:10 StrongARM SA-1110 / SA-1111 and Kernel 4.9.210 (Jornada 720) Stefan Lehner
2020-01-22  9:22 ` Russell King - ARM Linux admin
2020-01-22 10:21   ` Stefan Lehner [this message]
2020-01-22 10:25     ` Russell King - ARM Linux admin
2020-01-23 16:24       ` AW: " Stefan Lehner
2020-02-07 11:51       ` Stefan Lehner
2020-02-07 23:19         ` Russell King - ARM Linux admin
2020-02-08  7:54           ` AW: " Stefan Lehner

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