From mboxrd@z Thu Jan  1 00:00:00 1970
From: John Williams <john.williams@petalogix.com>
Subject: Re: [PATCH 24/56] microblaze_v2: time support
Date: Mon, 05 May 2008 12:19:09 +1000
Message-ID: <1209953949.5798.66.camel@localhost>
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Cc: linux-kernel@vger.kernel.org, arnd@arndb.de, linux-arch@vger.kernel.org, stephen.neuendorffer@xilinx.com, John.Linn@xilinx.com, matthew@wil.cx, will.newton@gmail.com, drepper@redhat.com, microblaze-uclinux@itee.uq.edu.au, grant.likely@secretlab.ca, Michal Simek <monstr@monstr.eu>


> +static inline void udelay(unsigned long usec)
> +{
> +	unsigned long long tmp = usec;
> +	unsigned long loops = (tmp * 4295 * HZ * loops_per_jiffy) >> 32;
> +	__delay(loops);
> +}

Let's hope like hell the CPU has HW multipler and shifter for this
one! :)

> +++ b/include/asm-microblaze/timex.h
> @@ -0,0 +1,20 @@
> +
> +#define CLOCK_TICK_RATE 1000 /* Timer input freq. */

What's this?  Is it used anywhere?