From: Michal Simek <michal.simek@xilinx.com>
To: Guenter Roeck <linux@roeck-us.net>,
Michal Simek <michal.simek@xilinx.com>,
"Edgar E. Iglesias" <edgar.iglesias@xilinx.com>
Cc: mark.rutland@arm.com, devicetree@vger.kernel.org,
Rajan Vaja <rajan.vaja@xilinx.com>,
Michael Tretter <m.tretter@pengutronix.de>,
qemu-devel@nongnu.org, Edgar Iglesias <edgari@xilinx.com>,
robh+dt@kernel.org, Rajan Vaja <rajanv@xilinx.com>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 1/5] arm64: zynqmp: Add firmware DT node
Date: Mon, 16 Dec 2019 07:28:24 +0100 [thread overview]
Message-ID: <ba5e00b3-2208-6398-1df4-337978db128b@xilinx.com> (raw)
In-Reply-To: <573f0472-9779-c5df-f199-4e0958753fd8@roeck-us.net>
On 15. 12. 19 6:28, Guenter Roeck wrote:
> On 12/9/19 7:02 AM, Michal Simek wrote:
>> On 09. 12. 19 15:32, Guenter Roeck wrote:
>>> On 12/8/19 11:48 PM, Edgar E. Iglesias wrote:
>>>> On Sun, Dec 08, 2019 at 11:19:33PM -0800, Guenter Roeck wrote:
>>>>> On 12/8/19 10:42 PM, Michal Simek wrote:
>>>>>> Hi, +Edgar
>>>>>>
>>>>>>
>>>>>> On 08. 12. 19 23:38, Guenter Roeck wrote:
>>>>>>> On Fri, Oct 18, 2019 at 06:07:31PM +0200, Michael Tretter wrote:
>>>>>>>> From: Rajan Vaja <rajan.vaja@xilinx.com>
>>>>>>>>
>>>>>>>> Add firmware DT node in ZynqMP device tree. This node
>>>>>>>> uses bindings as per new firmware interface driver.
>>>>>>>>
>>>>>>>> Signed-off-by: Rajan Vaja <rajanv@xilinx.com>
>>>>>>>> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
>>>>>>>> Signed-off-by: Michael Tretter <m.tretter@pengutronix.de>
>>>>>>>
>>>>>>> With this patch applied in the mainline kernel, the qemu xlnx-zcu102
>>>>>>> emulation crashes (see below). Any idea what it might take to get
>>>>>>> qemu back to working ?
>>>>>>
>>>>>> Driver talks through ATF to PMU unit(microblaze). I don't think
>>>>>> A53+MB
>>>>>> concept is working with mainline qemu. But crash is too hard. It
>>>>>> should
>>>>
>>>> Yes, QEMU doesn't support the Cortex-A53s along with the PMU
>>>> MicroBlaze.
>>>>
>>>> My workaround when using upstream QEMU is a modified DT without the
>>>> PMU firmware
>>>> and with fixed-clock nodes.
>>>>
>>>
>>> I can't do that for my boot tests. Normally I would just disable
>>> ZYNQMP_FIRMWARE,
>>> but that is hard enabled with ARCH_ZYNQMP. I'll have to drop those
>>> tests,
>>> unfortunately, if the firmware driver is considered mandatory.
>>
>> We can make it optional.
>> Rajan: please send a patch for it.
>>
>
> I'll disable the related boot tests for now. If/when this is fixed, let
> me know,
> and I'll re-enable it.
ok. Sure.
Thanks,
Michal
next prev parent reply other threads:[~2019-12-16 6:29 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20191018160735.15658-1-m.tretter@pengutronix.de>
[not found] ` <20191018160735.15658-2-m.tretter@pengutronix.de>
2019-12-08 22:38 ` [PATCH 1/5] arm64: zynqmp: Add firmware DT node Guenter Roeck
2019-12-09 6:42 ` Michal Simek
2019-12-09 7:19 ` Guenter Roeck
2019-12-09 7:48 ` Edgar E. Iglesias
2019-12-09 8:33 ` Michal Simek
2019-12-09 14:32 ` Guenter Roeck
2019-12-09 15:02 ` Michal Simek
2019-12-15 5:28 ` Guenter Roeck
2019-12-16 6:28 ` Michal Simek [this message]
2019-12-09 8:36 ` Michal Simek
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