From: Marek Vasut <marex@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH v2 0/5] arm, am33xx: update for the am33xx based siemens boards
Date: Mon, 4 Nov 2013 18:34:25 +0100 [thread overview]
Message-ID: <201311041834.26145.marex@denx.de> (raw)
In-Reply-To: <CANacCWxpEpm6Hg+0VFo7BQrBDiNNFk_HSPnMHNex3NBVH_wvYw@mail.gmail.com>
Dear Vaibhav Bedia,
> On Mon, Nov 4, 2013 at 8:15 AM, Heiko Schocher <hs@denx.de> wrote:
> [...]
>
> > Hups, missed this EMail ... :-(
>
> No problem. Happens all the time :)
>
> > Hmm.. some boards from siemens do not use the RTC, so this approach
> > is not possible here ...
>
> By unused do you mean it's not powered up or is it simply not programmed?
>
> Even if the RTC is not programmed the register would still be there. I
> don't have a
> board with me to check the behavior but i am guessing the RTC
> functionality doesn't
> need to be used to make use of the scratchpad registers.
If your hardware's IP block's clock are not ungated, the register access to that
IP block will usually not work.
Best regards,
Marek Vasut
next prev parent reply other threads:[~2013-11-04 17:34 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-11-04 7:02 [U-Boot] [PATCH v2 0/5] arm, am33xx: update for the am33xx based siemens boards Heiko Schocher
2013-11-04 7:02 ` [U-Boot] [PATCH v2 1/5] bootcount: store bootcount var in environment Heiko Schocher
2013-11-04 7:02 ` [U-Boot] [PATCH v2 2/5] arm, am33x: make RTC32K OSC enable configurable Heiko Schocher
2013-11-04 7:02 ` [U-Boot] [PATCH v2 3/5] usb, g_dnl: make iSerialNumber board configurable Heiko Schocher
2013-11-04 11:05 ` Lukasz Majewski
2013-11-04 7:02 ` [U-Boot] [PATCH v2 4/5] usb, g_dnl: make bcdDevice value configurable Heiko Schocher
2013-11-04 7:02 ` [U-Boot] [PATCH v2 5/5] arm, am335x: update for the siemens boards Heiko Schocher
2013-11-04 12:45 ` [U-Boot] [PATCH v2 0/5] arm, am33xx: update for the am33xx based " Vaibhav Bedia
2013-11-04 13:15 ` Heiko Schocher
2013-11-04 13:24 ` Vaibhav Bedia
2013-11-04 17:34 ` Marek Vasut [this message]
2013-11-04 19:45 ` Vaibhav Bedia
2013-11-05 3:30 ` Heiko Schocher
2013-11-06 12:18 ` Vaibhav Bedia
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