From: Sascha Hauer <s.hauer@pengutronix.de>
To: Stefan Riedmueller <s.riedmueller@phytec.de>
Cc: barebox@lists.infradead.org, Jan Remmet <j.remmet@phytec.de>
Subject: Re: [PATCH] phytec-som-imx6: ksz8081_phy_fixup: Don't override B-CAST_OFF strap-in
Date: Wed, 5 Dec 2018 08:55:55 +0100 [thread overview]
Message-ID: <20181205075555.yd2hyk3jb4cqfupx@pengutronix.de> (raw)
In-Reply-To: <1543920225-20866-1-git-send-email-s.riedmueller@phytec.de>
On Tue, Dec 04, 2018 at 11:43:45AM +0100, Stefan Riedmueller wrote:
> From: Jan Remmet <j.remmet@phytec.de>
>
> As PHY address 0 is not used on PHYTEC i.MX 6 and i.MX 6UL SOMs we do
> not have to override the B-CAST_OFF strap-in which disables broadcast
> on PHY address 0.
>
> Also add some comments about the magic values.
>
> Signed-off-by: Jan Remmet <j.remmet@phytec.de>
> Signed-off-by: Stefan Riedmueller <s.riedmueller@phytec.de>
> ---
> arch/arm/boards/phytec-som-imx6/board.c | 11 ++++++++++-
> 1 file changed, 10 insertions(+), 1 deletion(-)
Applied, thanks
Sascha
>
> diff --git a/arch/arm/boards/phytec-som-imx6/board.c b/arch/arm/boards/phytec-som-imx6/board.c
> index 4079bc9de1b3..38a2ef641e47 100644
> --- a/arch/arm/boards/phytec-som-imx6/board.c
> +++ b/arch/arm/boards/phytec-som-imx6/board.c
> @@ -99,8 +99,17 @@ static unsigned int get_module_rev(void)
>
> static int ksz8081_phy_fixup(struct phy_device *phydev)
> {
> + /*
> + * 0x8100 default
> + * 0x0080 RMII 50 MHz clock mode
> + * 0x0010 LED Mode 1
> + */
> phy_write(phydev, 0x1f, 0x8190);
> - phy_write(phydev, 0x16, 0x202);
> + /*
> + * 0x0002 Override strap-in for RMII mode
> + * This should be default but after reset we occasionally read 0x0001
> + */
> + phy_write(phydev, 0x16, 0x2);
>
> return 0;
> }
> --
> 2.7.4
>
>
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>
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prev parent reply other threads:[~2018-12-05 7:56 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-04 10:43 Stefan Riedmueller
2018-12-05 7:55 ` Sascha Hauer [this message]
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