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

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Date:   Mon, 9 Jan 2017 23:34:48 +0530
From:   Anand Moon <linux.amoon@...il.com>
To:     Krzysztof Kozlowski <krzk@...nel.org>
Cc:     Kukjin Kim <kgene@...nel.org>,
        Javier Martinez Canillas <javier@....samsung.com>,
        devicetree <devicetree@...r.kernel.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        "linux-samsung-soc@...r.kernel.org" 
        <linux-samsung-soc@...r.kernel.org>,
        Linux Kernel <linux-kernel@...r.kernel.org>,
        Marek Szyprowski <m.szyprowski@...sung.com>,
        Sylwester Nawrocki <s.nawrocki@...sung.com>,
        Peter Chen <peter.chen@....com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Alan Stern <stern@...land.harvard.edu>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Mark Brown <broonie@...nel.org>, sre@...nel.org,
        Rob Herring <robh+dt@...nel.org>,
        Linux USB Mailing List <linux-usb@...r.kernel.org>,
        Linux PM list <linux-pm@...r.kernel.org>, hverkuil@...all.nl,
        Markus Reichl <m.reichl@...etechno.de>
Subject: Re: [PATCH 0/4] ARM: exynos: Fix Odroid U3 USB/LAN when TFTP booting
 (power sequence)

Hi Krzysztof,

On 7 January 2017 at 14:21, Krzysztof Kozlowski <krzk@...nel.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