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From: Marek Vasut <marex@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [patch] socfpga: fix clock manager register definition
Date: Sun, 20 Jul 2014 01:13:21 +0200	[thread overview]
Message-ID: <201407200113.21465.marex@denx.de> (raw)
In-Reply-To: <20140719221258.GA7405@amd.pavel.ucw.cz>

On Sunday, July 20, 2014 at 12:12:58 AM, Pavel Machek wrote:
> On Sun 2014-07-20 00:06:59, Marek Vasut wrote:
> > On Saturday, July 19, 2014 at 11:57:59 PM, Pavel Machek wrote:
> > > Structure defining clock manager hardware was wrong, leading to
> > > wrong registers being accessed and hang in MMC init.
> > > 
> > > This fixes structure to match hardware.
> > > 
> > > Signed-off-by: Pavel Machek <pavel@denx.de>
> > > 
> > > diff --git a/arch/arm/cpu/armv7/socfpga/clock_manager.c
> > > b/arch/arm/cpu/armv7/socfpga/clock_manager.c index 23d697d..0228ac8
> > > 100644 --- a/arch/arm/cpu/armv7/socfpga/clock_manager.c
> > > +++ b/arch/arm/cpu/armv7/socfpga/clock_manager.c
> > > @@ -110,8 +110,8 @@ void cm_basic_init(const cm_config_t *cfg)
> > > 
> > >  	 * gatting off the rest of the periperal clocks.
> > >  	 */
> > >  	
> > >  	writel(~CLKMGR_PERPLLGRP_EN_NANDCLK_MASK &
> > > 
> > > -		readl(&clock_manager_base->per_pll_en),
> > > -		&clock_manager_base->per_pll_en);
> > > +		readl(&clock_manager_base->per_pll.en),
> > > +		&clock_manager_base->per_pll.en);
> > 
> > clrbits_le32() please ... and please fix globally.
> > [...]
> 
> But that's clearly something for separate patch, so I'd still like
> your ack on this one :-).
> 									Pavel

I cannot ACK a patch for hardware which I don't understand enough. Still, you're 
already messing with the register layout, feel free to do a two-part patchset, 
but please use the clrsetbits_le32() ...

Best regards,
Marek Vasut

  reply	other threads:[~2014-07-19 23:13 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-07-19 21:57 [U-Boot] [patch] socfpga: fix clock manager register definition Pavel Machek
2014-07-19 22:06 ` Marek Vasut
2014-07-19 22:12   ` Pavel Machek
2014-07-19 23:13     ` Marek Vasut [this message]
2014-08-30 15:13 ` [U-Boot] " Tom Rini
2014-08-31 10:48   ` Pavel Machek

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