From: Kumar Gala <kumar.gala@freescale•com>
To: "Robert P. J. Day" <rpjday@mindspring•com>
Cc: Embedded Linux PPC list <linuxppc-embedded@lists•linuxppc.org>
Subject: Re: confusion re: CPM2 and 8xxx
Date: Thu, 8 Jul 2004 16:09:56 -0500 [thread overview]
Message-ID: <2A282E52-D123-11D8-8B61-000393DBC2E8@freescale.com> (raw)
In-Reply-To: <Pine.LNX.4.60.0407081642170.12139@localhost.localdomain>
I think this is due to the config file just not getting updated. The
driver for the uart on CPM1 (8xx) and CPM2 (82xx/85xx) is the same
code. It started as a driver for only CPM2 and thus the config options
reference CPM2. Will make a note to cleanup the config file for the
driver
- kumar
On Jul 8, 2004, at 3:53 PM, Robert P. J. Day wrote:
>
> there's some confusion (well, ok, just me) regarding kernel config
> settings in the linuxppc-2.5 tree. when i select a processor type, i
> see that i have a number of choices, including
>
> ...
> 8xx
> ...
> 6xx/7xx/74xx/8260
> ...
>
> so far, so good. so i select 8xx and, later, under
>
> Device drivers
> Character devices
> Serial drivers
>
> ...
> <*> CPM2 SCC/SMC serial port support
> [*] Support for console on CPM2 SCC/SMC serial port
>
> according to the help on that first option:
>
> This driver supports the SCC and SMC serial ports on Motorola
> embedded PowerPC that contain a CPM2 (8xxx) or a CPM1 (8xx)
>
> given that i explicitly selected 8xx, i don't think i should be
> presented with any options related to an 8xxx platform (that is,
> anything saying "CPM2"). yes, it's picky, but the first time i did
> this, i sat there thinking, "i know CPM, but what the heck is this
> CPM2 thing, and what does it have to do with an 8xx platform?"
>
> thoughts?
>
> rday
>
> p.s. it's also a bit misleading since there are no options whatever in
> .config that contain the string "CPM2", in case you go grepping for
> them.
>
> p.p.s. more pedantry to follow.
>
** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
prev parent reply other threads:[~2004-07-08 21:09 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-07-08 20:53 confusion re: CPM2 and 8xxx Robert P. J. Day
2004-07-08 21:09 ` Kumar Gala [this message]
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