From: Heiko Schocher <hs@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH 6/8] arm, davinci, am1808: add lowlevel functions for booting from NOR
Date: Mon, 26 Sep 2011 10:28:56 +0200 [thread overview]
Message-ID: <4E8037C8.5020905@denx.de> (raw)
In-Reply-To: <CABkLObo9vVG89JA7BGM9bb85=uCuTWqyJhXv5AQLwV8uj9kt2A@mail.gmail.com>
Hello Christian,
Christian Riesch wrote:
> Heiko,
> I am looking forward to see these patches in mainline u-boot. My
> custom board also directly boots from NOR, so I think there is a lot I
> can re-use for my board.
Thats the goal ;-)
> I have one question, please see below:
[...]
>> +void am1808_lpc_transition(unsigned char pscnum, unsigned char module,
>> + unsigned char domain, unsigned char state)
>> +{
[...]
>> + /* Wait for transition to complete */
>> + while (readl(®->ptstat) & (0x00000001 << domain))
>> + ;
>> +
>> + /* Wait and verify the state */
>> + while ((readl(mdstat) & 0x1F) != state)
>> + ;
>> +}
>
> There is some similar code in arch/arm/cpu/arm926ejs/davinci/psc.c. Is
> there any reason why you don't use this code or adapt it for your
> needs?
No, there is no reason, just missed it! I try the functions in
arch/arm/cpu/arm926ejs/davinci/psc.c and if they work, I remove the
am1808_lpc_transition function.
Thanks!
bye,
Heiko
--
DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
next prev parent reply other threads:[~2011-09-26 8:28 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-15 5:59 [U-Boot] [PATCH 0/8] arm, davinci: add support for the am1808 based enbw_cmc board Heiko Schocher
2011-09-15 5:59 ` [U-Boot] [PATCH 1/8] arm, davinci: add SYSCFG1 base and register struct Heiko Schocher
2011-09-15 5:59 ` [U-Boot] [PATCH 2/8] arm, davinci: add some missing defines in hardware.h Heiko Schocher
2011-09-15 5:59 ` [U-Boot] [PATCH 3/8] arm, davinci, am1808, gpio: add missing defines for bank 8 Heiko Schocher
2011-09-15 5:59 ` [U-Boot] [PATCH 4/8] arm, davinci: add ddr2 definition Heiko Schocher
2011-09-15 5:59 ` [U-Boot] [PATCH 5/8] arm, davinci: add NOR Boot Configuration Word Heiko Schocher
2011-09-15 5:59 ` [U-Boot] [PATCH 6/8] arm, davinci, am1808: add lowlevel functions for booting from NOR Heiko Schocher
2011-09-26 8:02 ` Christian Riesch
2011-09-26 8:28 ` Heiko Schocher [this message]
2011-09-27 6:57 ` Christian Riesch
2011-09-27 7:27 ` Heiko Schocher
2011-09-27 8:37 ` Christian Riesch
2011-09-27 8:50 ` Heiko Schocher
2011-09-27 10:36 ` Christian Riesch
2011-09-27 11:18 ` Heiko Schocher
2011-09-30 6:57 ` Christian Riesch
2011-09-30 7:11 ` Heiko Schocher
2011-09-15 5:59 ` [U-Boot] [PATCH 7/8] arm, davinci, da8xx: add cpuinfo Heiko Schocher
2011-09-15 5:59 ` [U-Boot] [PATCH 8/8] arm, davinci: add support for am1808 based enbw_cmc board Heiko Schocher
2011-09-15 7:39 ` Igor Grinberg
2011-09-15 7:56 ` Heiko Schocher
2011-09-19 5:50 ` [U-Boot] [PATCH v2 " Heiko Schocher
2011-09-23 20:47 ` Paulraj, Sandeep
2011-09-26 5:43 ` Heiko Schocher
2011-09-26 6:03 ` Paulraj, Sandeep
2011-09-26 6:08 ` Heiko Schocher
2011-09-27 7:05 ` Albert ARIBAUD
2011-09-30 7:55 ` Christian Riesch
2011-09-30 8:46 ` Heiko Schocher
2011-09-30 9:02 ` Christian Riesch
2011-09-30 9:32 ` Heiko Schocher
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