From: Guenter Roeck <linux@roeck-us.net>
To: Michal Simek <michal.simek@xilinx.com>,
"Edgar E. Iglesias" <edgar.iglesias@xilinx.com>
Cc: Michael Tretter <m.tretter@pengutronix.de>,
Edgar Iglesias <edgari@xilinx.com>,
robh+dt@kernel.org, mark.rutland@arm.com,
devicetree@vger.kernel.org, Rajan Vaja <rajanv@xilinx.com>,
Rajan Vaja <rajan.vaja@xilinx.com>,
linux-arm-kernel@lists.infradead.org, qemu-devel@nongnu.org
Subject: Re: [PATCH 1/5] arm64: zynqmp: Add firmware DT node
Date: Sat, 14 Dec 2019 21:28:51 -0800 [thread overview]
Message-ID: <573f0472-9779-c5df-f199-4e0958753fd8@roeck-us.net> (raw)
In-Reply-To: <fa36a9e9-9e44-d1ff-cfdc-22d0484318ff@xilinx.com>
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.
Guenter
next prev parent reply other threads:[~2019-12-15 5:28 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-18 16:07 [PATCH 0/5] arm64: zynqmp: add firmware device tree node Michael Tretter
2019-10-18 16:07 ` [PATCH 1/5] arm64: zynqmp: Add firmware DT node Michael Tretter
2019-12-08 22:38 ` 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 [this message]
2019-12-16 6:28 ` Michal Simek
2019-12-09 8:36 ` Michal Simek
2019-10-18 16:07 ` [PATCH 2/5] arm64: zynqmp: Add support for zynqmp fpga manager Michael Tretter
2019-10-18 16:07 ` [PATCH 3/5] arm64: zynqmp: Label whole PL part as fpga_full region Michael Tretter
2019-10-18 16:07 ` [PATCH 4/5] arm64: zynqmp: Add support for zynqmp nvmem firmware driver Michael Tretter
2019-10-18 16:07 ` [PATCH 5/5] arm64: zynqmp: Add data cells to access efuse Michael Tretter
2019-10-23 12:30 ` Michal Simek
2019-10-23 12:30 ` [PATCH 0/5] arm64: zynqmp: add firmware device tree node Michal Simek
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