From: Joachim Eastwood <manabian@gmail.com>
To: Neil Armstrong <narmstrong@baylibre.com>
Cc: Rob Herring <robh@kernel.org>,
"peppe.cavallaro" <peppe.cavallaro@st.com>,
alexandre.torgue@st.com, netdev <netdev@vger.kernel.org>,
linux-oxnas@lists.tuxfamily.org,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
devicetree <devicetree@vger.kernel.org>
Subject: Re: [PATCH] net: stmmac: Add OXNAS Glue Driver
Date: Mon, 31 Oct 2016 11:20:36 +0100 [thread overview]
Message-ID: <CAGhQ9Vxy+boEPV3pvRCAWAWh-Tie31oS0PG7F6ix5_Wf=JHxgg@mail.gmail.com> (raw)
In-Reply-To: <04b8ed79-8efa-cc10-a9a3-fdee10e0723c@baylibre.com>
Hi Neil,
On 31 October 2016 at 10:55, Neil Armstrong <narmstrong@baylibre.com> wrote:
> On 10/30/2016 09:41 PM, Rob Herring wrote:
>> On Fri, Oct 21, 2016 at 10:44:45AM +0200, Neil Armstrong wrote:
>>> Add Synopsys Designware MAC Glue layer for the Oxford Semiconductor OX820.
>>>
>>> Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
>>> ---
>>> .../devicetree/bindings/net/oxnas-dwmac.txt | 44 +++++
>>
>> It's preferred that bindings are a separate patch.
>
> OK
>
>>
>>> drivers/net/ethernet/stmicro/stmmac/Kconfig | 11 ++
>>> drivers/net/ethernet/stmicro/stmmac/Makefile | 1 +
>>> drivers/net/ethernet/stmicro/stmmac/dwmac-oxnas.c | 219 +++++++++++++++++++++
>>> 4 files changed, 275 insertions(+)
>>> create mode 100644 Documentation/devicetree/bindings/net/oxnas-dwmac.txt
>>> create mode 100644 drivers/net/ethernet/stmicro/stmmac/dwmac-oxnas.c
>>>
>>> Changes since RFC at https://patchwork.kernel.org/patch/9387257 :
>>> - Drop init/exit callbacks
>>> - Implement proper remove and PM callback
>>> - Call init from probe
>>> - Disable/Unprepare clock if stmmac probe fails
>>>
>>> diff --git a/Documentation/devicetree/bindings/net/oxnas-dwmac.txt b/Documentation/devicetree/bindings/net/oxnas-dwmac.txt
>>> new file mode 100644
>>> index 0000000..5d2696c
>>> --- /dev/null
>>> +++ b/Documentation/devicetree/bindings/net/oxnas-dwmac.txt
>>> @@ -0,0 +1,44 @@
>>> +* Oxford Semiconductor OXNAS DWMAC Ethernet controller
>>> +
>>> +The device inherits all the properties of the dwmac/stmmac devices
>>> +described in the file stmmac.txt in the current directory with the
>>> +following changes.
>>> +
>>> +Required properties on all platforms:
>>> +
>>> +- compatible: Depending on the platform this should be one of:
>>> + - "oxsemi,ox820-dwmac"
>>> + Additionally "snps,dwmac" and any applicable more
>>> + detailed version number described in net/stmmac.txt
>>> + should be used.
>>
>> You should be explicit what version applies to ox820. "snps,dwmac"
>> should probably be deprecated IMO. There are so many variations of DW
>> h/w.
>
> Well, to be honest I have absolutely no idea ! But I will try to find out...
You can see in the boot log:
>From lpc18xx boot:
[ 3.242253] stmmac - user ID: 0x11, Synopsys ID: 0x36
[ 3.247653] Ring mode enabled
[ 3.251491] DMA HW capability register supported
[ 3.256336] Enhanced/Alternate descriptors
[ 3.261537] Enabled extended descriptors
[ 3.265968] RX Checksum Offload Engine supported (type 2)
[ 3.272249] TX Checksum insertion supported
[ 3.276874] Wake-Up On Lan supported
[ 3.283743] Enable RX Mitigation via HW Watchdog Timer
[ 3.326701] libphy: stmmac: probed
Synopsys ID: 0x36 and user UD: 0x11, gives us DWMAC version 3.611
regards,
Joachim Eastwood
WARNING: multiple messages have this Message-ID (diff)
From: Joachim Eastwood <manabian-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: Neil Armstrong <narmstrong-rdvid1DuHRBWk0Htik3J/w@public.gmane.org>
Cc: Rob Herring <robh-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
"peppe.cavallaro" <peppe.cavallaro-qxv4g6HH51o@public.gmane.org>,
alexandre.torgue-qxv4g6HH51o@public.gmane.org,
netdev <netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
linux-oxnas-Xt5XgHjqiBU06sgRBLv0+0B+6BGkLq7r@public.gmane.org,
"linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org"
<linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org>,
"linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
devicetree <devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: [PATCH] net: stmmac: Add OXNAS Glue Driver
Date: Mon, 31 Oct 2016 11:20:36 +0100 [thread overview]
Message-ID: <CAGhQ9Vxy+boEPV3pvRCAWAWh-Tie31oS0PG7F6ix5_Wf=JHxgg@mail.gmail.com> (raw)
In-Reply-To: <04b8ed79-8efa-cc10-a9a3-fdee10e0723c-rdvid1DuHRBWk0Htik3J/w@public.gmane.org>
Hi Neil,
On 31 October 2016 at 10:55, Neil Armstrong <narmstrong-rdvid1DuHRBWk0Htik3J/w@public.gmane.org> wrote:
> On 10/30/2016 09:41 PM, Rob Herring wrote:
>> On Fri, Oct 21, 2016 at 10:44:45AM +0200, Neil Armstrong wrote:
>>> Add Synopsys Designware MAC Glue layer for the Oxford Semiconductor OX820.
>>>
>>> Signed-off-by: Neil Armstrong <narmstrong-rdvid1DuHRBWk0Htik3J/w@public.gmane.org>
>>> ---
>>> .../devicetree/bindings/net/oxnas-dwmac.txt | 44 +++++
>>
>> It's preferred that bindings are a separate patch.
>
> OK
>
>>
>>> drivers/net/ethernet/stmicro/stmmac/Kconfig | 11 ++
>>> drivers/net/ethernet/stmicro/stmmac/Makefile | 1 +
>>> drivers/net/ethernet/stmicro/stmmac/dwmac-oxnas.c | 219 +++++++++++++++++++++
>>> 4 files changed, 275 insertions(+)
>>> create mode 100644 Documentation/devicetree/bindings/net/oxnas-dwmac.txt
>>> create mode 100644 drivers/net/ethernet/stmicro/stmmac/dwmac-oxnas.c
>>>
>>> Changes since RFC at https://patchwork.kernel.org/patch/9387257 :
>>> - Drop init/exit callbacks
>>> - Implement proper remove and PM callback
>>> - Call init from probe
>>> - Disable/Unprepare clock if stmmac probe fails
>>>
>>> diff --git a/Documentation/devicetree/bindings/net/oxnas-dwmac.txt b/Documentation/devicetree/bindings/net/oxnas-dwmac.txt
>>> new file mode 100644
>>> index 0000000..5d2696c
>>> --- /dev/null
>>> +++ b/Documentation/devicetree/bindings/net/oxnas-dwmac.txt
>>> @@ -0,0 +1,44 @@
>>> +* Oxford Semiconductor OXNAS DWMAC Ethernet controller
>>> +
>>> +The device inherits all the properties of the dwmac/stmmac devices
>>> +described in the file stmmac.txt in the current directory with the
>>> +following changes.
>>> +
>>> +Required properties on all platforms:
>>> +
>>> +- compatible: Depending on the platform this should be one of:
>>> + - "oxsemi,ox820-dwmac"
>>> + Additionally "snps,dwmac" and any applicable more
>>> + detailed version number described in net/stmmac.txt
>>> + should be used.
>>
>> You should be explicit what version applies to ox820. "snps,dwmac"
>> should probably be deprecated IMO. There are so many variations of DW
>> h/w.
>
> Well, to be honest I have absolutely no idea ! But I will try to find out...
You can see in the boot log:
>From lpc18xx boot:
[ 3.242253] stmmac - user ID: 0x11, Synopsys ID: 0x36
[ 3.247653] Ring mode enabled
[ 3.251491] DMA HW capability register supported
[ 3.256336] Enhanced/Alternate descriptors
[ 3.261537] Enabled extended descriptors
[ 3.265968] RX Checksum Offload Engine supported (type 2)
[ 3.272249] TX Checksum insertion supported
[ 3.276874] Wake-Up On Lan supported
[ 3.283743] Enable RX Mitigation via HW Watchdog Timer
[ 3.326701] libphy: stmmac: probed
Synopsys ID: 0x36 and user UD: 0x11, gives us DWMAC version 3.611
regards,
Joachim Eastwood
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WARNING: multiple messages have this Message-ID (diff)
From: manabian@gmail.com (Joachim Eastwood)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] net: stmmac: Add OXNAS Glue Driver
Date: Mon, 31 Oct 2016 11:20:36 +0100 [thread overview]
Message-ID: <CAGhQ9Vxy+boEPV3pvRCAWAWh-Tie31oS0PG7F6ix5_Wf=JHxgg@mail.gmail.com> (raw)
In-Reply-To: <04b8ed79-8efa-cc10-a9a3-fdee10e0723c@baylibre.com>
Hi Neil,
On 31 October 2016 at 10:55, Neil Armstrong <narmstrong@baylibre.com> wrote:
> On 10/30/2016 09:41 PM, Rob Herring wrote:
>> On Fri, Oct 21, 2016 at 10:44:45AM +0200, Neil Armstrong wrote:
>>> Add Synopsys Designware MAC Glue layer for the Oxford Semiconductor OX820.
>>>
>>> Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
>>> ---
>>> .../devicetree/bindings/net/oxnas-dwmac.txt | 44 +++++
>>
>> It's preferred that bindings are a separate patch.
>
> OK
>
>>
>>> drivers/net/ethernet/stmicro/stmmac/Kconfig | 11 ++
>>> drivers/net/ethernet/stmicro/stmmac/Makefile | 1 +
>>> drivers/net/ethernet/stmicro/stmmac/dwmac-oxnas.c | 219 +++++++++++++++++++++
>>> 4 files changed, 275 insertions(+)
>>> create mode 100644 Documentation/devicetree/bindings/net/oxnas-dwmac.txt
>>> create mode 100644 drivers/net/ethernet/stmicro/stmmac/dwmac-oxnas.c
>>>
>>> Changes since RFC at https://patchwork.kernel.org/patch/9387257 :
>>> - Drop init/exit callbacks
>>> - Implement proper remove and PM callback
>>> - Call init from probe
>>> - Disable/Unprepare clock if stmmac probe fails
>>>
>>> diff --git a/Documentation/devicetree/bindings/net/oxnas-dwmac.txt b/Documentation/devicetree/bindings/net/oxnas-dwmac.txt
>>> new file mode 100644
>>> index 0000000..5d2696c
>>> --- /dev/null
>>> +++ b/Documentation/devicetree/bindings/net/oxnas-dwmac.txt
>>> @@ -0,0 +1,44 @@
>>> +* Oxford Semiconductor OXNAS DWMAC Ethernet controller
>>> +
>>> +The device inherits all the properties of the dwmac/stmmac devices
>>> +described in the file stmmac.txt in the current directory with the
>>> +following changes.
>>> +
>>> +Required properties on all platforms:
>>> +
>>> +- compatible: Depending on the platform this should be one of:
>>> + - "oxsemi,ox820-dwmac"
>>> + Additionally "snps,dwmac" and any applicable more
>>> + detailed version number described in net/stmmac.txt
>>> + should be used.
>>
>> You should be explicit what version applies to ox820. "snps,dwmac"
>> should probably be deprecated IMO. There are so many variations of DW
>> h/w.
>
> Well, to be honest I have absolutely no idea ! But I will try to find out...
You can see in the boot log:
>From lpc18xx boot:
[ 3.242253] stmmac - user ID: 0x11, Synopsys ID: 0x36
[ 3.247653] Ring mode enabled
[ 3.251491] DMA HW capability register supported
[ 3.256336] Enhanced/Alternate descriptors
[ 3.261537] Enabled extended descriptors
[ 3.265968] RX Checksum Offload Engine supported (type 2)
[ 3.272249] TX Checksum insertion supported
[ 3.276874] Wake-Up On Lan supported
[ 3.283743] Enable RX Mitigation via HW Watchdog Timer
[ 3.326701] libphy: stmmac: probed
Synopsys ID: 0x36 and user UD: 0x11, gives us DWMAC version 3.611
regards,
Joachim Eastwood
next prev parent reply other threads:[~2016-10-31 10:20 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-21 8:44 [PATCH] net: stmmac: Add OXNAS Glue Driver Neil Armstrong
2016-10-21 8:44 ` Neil Armstrong
2016-10-21 10:20 ` Joachim Eastwood
2016-10-21 10:20 ` Joachim Eastwood
2016-10-21 10:20 ` Joachim Eastwood
2016-10-21 11:53 ` Giuseppe CAVALLARO
2016-10-21 11:53 ` Giuseppe CAVALLARO
2016-10-21 11:53 ` Giuseppe CAVALLARO
2016-10-21 11:53 ` Giuseppe CAVALLARO
2016-10-21 14:43 ` Neil Armstrong
2016-10-21 14:43 ` Neil Armstrong
2016-10-21 14:43 ` Neil Armstrong
2016-10-21 14:43 ` Neil Armstrong
2016-10-21 14:43 ` Neil Armstrong
2016-10-21 14:43 ` Neil Armstrong
2016-10-30 20:41 ` Rob Herring
2016-10-30 20:41 ` Rob Herring
2016-10-30 20:41 ` Rob Herring
2016-10-31 9:55 ` Neil Armstrong
2016-10-31 9:55 ` Neil Armstrong
2016-10-31 9:55 ` Neil Armstrong
2016-10-31 10:20 ` Joachim Eastwood [this message]
2016-10-31 10:20 ` Joachim Eastwood
2016-10-31 10:20 ` Joachim Eastwood
2016-10-31 10:25 ` Neil Armstrong
2016-10-31 10:25 ` Neil Armstrong
2016-10-31 10:25 ` Neil Armstrong
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