From: Anton Vorontsov <avorontsov@ru•mvista.com>
To: Laurent Pinchart <laurentp@cse-semaphore•com>
Cc: Scott Wood <scottwood@freescale•com>, linuxppc-dev@ozlabs•org
Subject: Re: [PATCH 6/8] [POWERPC] sysdev,qe_lib: implement FSL GTM support
Date: Thu, 17 Apr 2008 19:13:05 +0400 [thread overview]
Message-ID: <20080417151305.GA6130@polina.dev.rtsoft.ru> (raw)
In-Reply-To: <200804171624.02769.laurentp@cse-semaphore.com>
On Thu, Apr 17, 2008 at 04:23:56PM +0200, Laurent Pinchart wrote:
[...]
> > + /*
> > + * We have two 8 bit prescalers -- primary and secondary (psr, sps),
> > + * plus "slow go" mode (clk / 16). So, total prescale value is
> > + * 16 * (psr + 1) * (sps + 1).
> > + */
> > + if (prescaler > 256 * 256 * 16)
> > + return -EINVAL;
> > +
> > + if (prescaler > 256 * 256) {
> > + iclk = GTMDR_ICLK_SLGO;
> > + prescaler /= 16;
> > + }
> > +
> > + if (prescaler > 256) {
> > + psr = 256 - 1;
> > + sps = prescaler / 256 - 1;
> > + } else {
> > + psr = prescaler - 1;
> > + sps = 1 - 1;
> > + }
>
> Don't forget that the CPM2 doesn't support the primary prescaler.
I didn't know that, how can I possibly forget it? Oh, now I can.
Thanks for the info. :-)
--
Anton Vorontsov
email: cbouatmailru@gmail•com
irc://irc.freenode.net/bd2
next prev parent reply other threads:[~2008-04-17 15:13 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-03-11 17:21 [PATCH 0/8] A bit of new code and sparse cleanups along the way Anton Vorontsov
2008-03-11 17:23 ` [PATCH 1/8] [POWERPC] fsl_elbc_nand: factor out localbus defines Anton Vorontsov
2008-04-11 14:06 ` Kumar Gala
2008-04-13 12:53 ` David Woodhouse
2008-04-14 15:10 ` Kumar Gala
2008-03-11 17:24 ` [PATCH 2/8] [POWERPC] fsl_lbc: implement few routines to manage FSL UPMs Anton Vorontsov
2008-04-11 14:09 ` Kumar Gala
2008-04-11 16:13 ` Anton Vorontsov
2008-04-11 16:18 ` Scott Wood
2008-04-11 17:03 ` Anton Vorontsov
2008-04-12 4:09 ` Paul Mackerras
2008-04-14 15:11 ` Kumar Gala
2008-03-11 17:24 ` [PATCH 3/8] [POWERPC] qe_lib: implement qe_muram_offset Anton Vorontsov
2008-03-18 17:48 ` Scott Wood
2008-04-14 15:11 ` Kumar Gala
2008-03-11 17:24 ` [PATCH 4/8] [POWERPC] immap_qe.h should include asm/io.h Anton Vorontsov
2008-04-14 15:11 ` Kumar Gala
2008-03-11 17:24 ` [PATCH 5/8] [POWERPC] qe_lib: export qe_get_brg_clk() Anton Vorontsov
2008-03-11 18:36 ` Kumar Gala
2008-03-11 18:44 ` Anton Vorontsov
2008-04-14 15:11 ` Kumar Gala
2008-03-11 17:24 ` [PATCH 6/8] [POWERPC] sysdev,qe_lib: implement FSL GTM support Anton Vorontsov
2008-03-18 17:43 ` Scott Wood
2008-03-18 19:21 ` Anton Vorontsov
2008-03-18 19:55 ` Scott Wood
2008-03-18 20:27 ` Anton Vorontsov
2008-03-18 20:48 ` Scott Wood
2008-04-16 18:39 ` Anton Vorontsov
2008-04-16 18:44 ` Scott Wood
2008-04-16 21:00 ` Anton Vorontsov
2008-04-16 21:58 ` Scott Wood
2008-04-17 12:52 ` Anton Vorontsov
2008-04-17 14:19 ` Scott Wood
2008-04-17 15:07 ` Anton Vorontsov
2008-04-17 16:14 ` Scott Wood
2008-04-17 16:43 ` Anton Vorontsov
2008-04-17 14:23 ` Laurent Pinchart
2008-04-17 15:13 ` Anton Vorontsov [this message]
2008-04-17 16:12 ` Anton Vorontsov
2008-04-08 9:01 ` Laurent Pinchart
2008-04-08 11:48 ` Anton Vorontsov
2008-03-11 17:24 ` [PATCH 7/8] [POWERPC] qe_lib: add support for QE USB Anton Vorontsov
2008-04-14 20:29 ` Kumar Gala
2008-03-11 17:24 ` [PATCH 8/8] [POWERPC] qe_io: fix sparse warnings Anton Vorontsov
2008-04-14 15:12 ` Kumar Gala
2008-04-14 15:14 ` [PATCH 0/8] A bit of new code and sparse cleanups along the way Kumar Gala
2008-04-14 17:49 ` Anton Vorontsov
-- strict thread matches above, loose matches on Subject: below --
2008-04-17 16:22 [PATCH 6/8] [POWERPC] sysdev,qe_lib: implement FSL GTM support Scott Wood
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