Re: [PATCH 0/4] ARM: exynos: Fix Odroid U3 USB/LAN when TFTP booting (power sequence)

From: Anand Moon <linux.amoon@gmail.com>
To: Krzysztof Kozlowski <krzk@kernel.org>
Cc: Kukjin Kim <kgene@kernel.org>,
	Javier Martinez Canillas <javier@osg.samsung.com>,
	devicetree <devicetree@vger.kernel.org>,
	linux-arm-kernel <linux-arm-kernel@lists.infradead.org>,
	"linux-samsung-soc@vger.kernel.org" 
	<linux-samsung-soc@vger.kernel.org>,
	Linux Kernel <linux-kernel@vger.kernel.org>,
	Marek Szyprowski <m.szyprowski@samsung.com>,
	Sylwester Nawrocki <s.nawrocki@samsung.com>,
	Peter Chen <peter.chen@nxp.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Alan Stern <stern@rowland.harvard.edu>,
	Ulf Hansson <ulf.hansson@linaro.org>,
	Mark Brown <broonie@kernel.org>,
	sre@kernel.org, Rob Herring <robh+dt@kernel.org>,
	Linux USB Mailing List <linux-usb@vger.kernel.org>,
	Linux PM list <linux-pm@vger.kernel.org>,
	hverkuil@xs4all.nl, Markus Reichl <m.reichl@fivetechno.de>
Subject: Re: [PATCH 0/4] ARM: exynos: Fix Odroid U3 USB/LAN when TFTP booting (power sequence)
Date: Mon, 9 Jan 2017 23:34:48 +0530	[thread overview]
Message-ID: <CANAwSgSEZvxHje65Kk13fvD9NZGB+iHCJtoGJdQrUdS42ei_WA@mail.gmail.com> (raw)
In-Reply-To: <20170107085203.4431-1-krzk@kernel.org>

Hi Krzysztof,

On 7 January 2017 at 14:21, Krzysztof Kozlowski <krzk@kernel.org> wrote:
> Hi,
>
> Thanks to Markus Reichl, I got an Odroid U3 to work with. Thanks to Peter
> Chen, we got a power sequence generic library which solves my long
> standing Odroid U3 problem - no LAN9730 if it was enabled by bootloader.
>
> My previous attempts for this can be found here [0].
>
> This patchset is based on Peter's v11 of power sequence [1].
> Patchset is available also on my Github [2].
>
> More detailed analysis is described in patch 2/4 ("ARM: dts: exynos: Fix
> LAN9730 on Odroid U3 after tftpboot").
>
>

[snip]

On which u-boot should this be tested.

On HK u-boot tftp boot is not supported.
----------------------------------------------------------
U-Boot 2010.12-00000-g9777ca6-dirty (Nov 26 2015 - 10:10:11) for Exynox4412

CPU: S5PC220 [Samsung SOC on SMP Platform Base on ARM CortexA9]
APLL = 1000MHz, MPLL = 800MHz
DRAM:  2 GiB

PMIC VERSION : 0x00, CHIP REV : 2
TrustZone Enabled BSP
BL1 version: 20121128

Checking Boot Mode ... SDMMC
MMC Device 0: 14804 MB
MMC Device 1 not found
*** Warning - using default environment

USB3503 NINT = OUTPUT LOW!
ModeKey Check... run normal_boot
No ethernet found.
Hit any key to stop autoboot:  0
Exynos4412 #
Exynos4412 #
Exynos4412 #
Exynos4412 # usb start
(Re)start USB...
USB0:   Exynos4412-ehci: init hccr 12580000 and hcor 12580010 hc_length 16
usb: usb_refclk_enable is active low: NO
ProTIP: If usb doesn't work - try playing with 'usb_invert_clken' environment
USB EHCI 1.00
scanning bus 0 for devices... EHCI timed out on TD - token=0x80008c80
EHCI fail timeout STS_ASS set

      USB device not accepting new address (error=80000000)
EHCI fail timeout STS_ASS set
1 USB Device(s) found
       scanning usb for storage devices... 0 Storage Device(s) found
       scanning usb for ethernet devices... 0 Ethernet Device(s) found
Exynos4412 #

Best Regards
-Anand