From: Heiko Schocher <hs@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH] 7/12 Multiadapter/multibus I2C, drivers part 4
Date: Mon, 16 Feb 2009 10:03:10 +0100 [thread overview]
Message-ID: <49992BCE.5020906@denx.de> (raw)
In-Reply-To: <Pine.LNX.4.64ksi.0902152224290.17769@home-gw.koi8.net>
Hello ksi,
ksi at koi8.net wrote:
> On Sun, 15 Feb 2009, Heiko Schocher wrote:
>> ksi at koi8.net wrote:
>>> On Sat, 14 Feb 2009, Heiko Schocher wrote:
>>>> ksi at koi8.net wrote:
>>>>> On Fri, 13 Feb 2009, Heiko Schocher wrote:
>>>>>
>>>>>> ksi at koi8.net wrote:
>>>>>>
>>>>>>> Signed-off-by: Sergey Kubushyn <ksi@koi8.net>
>>>>>>> ---
>>>>>>> diff -purN u-boot-i2c.orig/drivers/i2c/soft_i2c.c u-boot-i2c/drivers/i2c/soft_i2c.c
>>>>>>> --- u-boot-i2c.orig/drivers/i2c/soft_i2c.c 2009-02-12 10:43:41.000000000 -0800
>>>>>>> +++ u-boot-i2c/drivers/i2c/soft_i2c.c 2009-02-12 10:46:00.000000000 -0800
>>>>>>> @@ -1,4 +1,8 @@
>>>>>>> /*
>>>>>>> + * Copyright (c) 2009 Sergey Kubushyn <ksi@koi8.net>
>>>>>>> + *
>>>>>>> + * Changes for multibus/multiadapter I2C support.
>>>>>>> + *
>>>>>>> * (C) Copyright 2001, 2002
>>>>>>> * Wolfgang Denk, DENX Software Engineering, wd at denx.de.
>>>>>>>
[...]
>> Yes, good point. But do we need more then one i2c adapter when running
>> from flash? I see only one reason to use i2c when running from flash:
>> accessing SPD EEprom ... and this "bus" could always be the first
>> hw adapter. All other accesses to i2c should be moved to run when
>> we are in ram.
>
> You can have, e.g. TWO SPD EEPROMs on different busses. And please remember
> that infamous "640K ought to be enough for anybody..."
OK, if we really need this.
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:[~2009-02-16 9:03 UTC|newest]
Thread overview: 75+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-02-13 10:17 [U-Boot] [PATCH] 7/12 Multiadapter/multibus I2C, drivers part 4 Heiko Schocher
2009-02-13 21:23 ` ksi at koi8.net
2009-02-14 8:24 ` Heiko Schocher
2009-02-15 5:03 ` ksi at koi8.net
2009-02-15 7:56 ` Heiko Schocher
2009-02-16 6:35 ` ksi at koi8.net
2009-02-16 9:03 ` Heiko Schocher [this message]
2009-02-16 22:17 ` Wolfgang Denk
2009-02-17 21:23 ` ksi at koi8.net
2009-02-16 22:16 ` Wolfgang Denk
2009-02-17 21:22 ` ksi at koi8.net
2009-02-18 7:23 ` Heiko Schocher
2009-02-16 22:11 ` Wolfgang Denk
2009-02-17 21:19 ` ksi at koi8.net
2009-02-17 22:49 ` Wolfgang Denk
2009-02-17 23:42 ` ksi at koi8.net
2009-02-18 0:13 ` Wolfgang Denk
2009-02-18 0:35 ` ksi at koi8.net
2009-02-18 7:47 ` Heiko Schocher
2009-02-18 18:05 ` ksi at koi8.net
2009-02-18 18:26 ` Wolfgang Denk
2009-02-18 19:47 ` ksi at koi8.net
2009-02-18 22:09 ` Wolfgang Denk
2009-02-18 23:00 ` ksi at koi8.net
2009-02-18 23:31 ` Wolfgang Denk
2009-02-19 0:46 ` ksi at koi8.net
2009-02-19 8:00 ` Heiko Schocher
2009-02-19 19:48 ` ksi at koi8.net
2009-02-19 20:50 ` Wolfgang Denk
2009-02-19 22:26 ` ksi at koi8.net
2009-02-20 8:53 ` Heiko Schocher
2009-02-20 7:08 ` Heiko Schocher
2009-02-20 7:06 ` Heiko Schocher
2009-02-18 7:33 ` Heiko Schocher
2009-02-18 8:06 ` Wolfgang Denk
2009-02-18 8:15 ` Heiko Schocher
2009-02-18 8:55 ` Wolfgang Denk
2009-02-18 18:58 ` ksi at koi8.net
2009-02-18 18:51 ` ksi at koi8.net
2009-02-18 17:44 ` ksi at koi8.net
2009-02-19 6:10 ` Heiko Schocher
2009-02-19 14:46 ` ksi at koi8.net
2009-02-19 15:06 ` Heiko Schocher
2009-02-19 19:52 ` ksi at koi8.net
2009-02-19 20:55 ` Wolfgang Denk
2009-02-19 22:33 ` ksi at koi8.net
2009-02-20 7:09 ` Heiko Schocher
2009-02-18 7:20 ` Heiko Schocher
2009-02-18 18:48 ` ksi at koi8.net
2009-02-19 6:31 ` Heiko Schocher
2009-02-19 19:35 ` ksi at koi8.net
2009-02-19 21:22 ` Wolfgang Denk
2009-02-20 0:13 ` ksi at koi8.net
2009-02-20 7:01 ` Heiko Schocher
2009-02-20 21:29 ` ksi at koi8.net
2009-02-21 7:25 ` Heiko Schocher
2009-02-21 18:19 ` ksi at koi8.net
2009-02-18 8:17 ` Heiko Schocher
2009-02-18 8:58 ` Heiko Schocher
2009-02-18 18:57 ` ksi at koi8.net
2009-02-18 21:56 ` Wolfgang Denk
2009-02-18 22:32 ` ksi at koi8.net
2009-02-18 22:48 ` Wolfgang Denk
2009-02-19 0:35 ` ksi at koi8.net
2009-02-19 8:04 ` Heiko Schocher
2009-02-19 21:29 ` Wolfgang Denk
2009-02-19 7:39 ` Heiko Schocher
2009-02-19 19:40 ` ksi at koi8.net
2009-02-19 6:42 ` Heiko Schocher
2009-02-18 18:53 ` ksi at koi8.net
2009-02-19 6:34 ` Heiko Schocher
2009-02-19 19:36 ` ksi at koi8.net
-- strict thread matches above, loose matches on Subject: below --
2009-02-12 22:25 ksi at koi8.net
2009-02-16 21:58 ` Wolfgang Denk
2009-02-17 20:02 ` ksi at koi8.net
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