Date: Sat, 3 Mar 2018 14:41:58 -0500 (EST) From: Daniel Eischen <deischen@freebsd.org> To: Andre Albsmeier <Andre.Albsmeier@siemens.com> Cc: freebsd-hackers@FreeBSD.org Subject: Re: Adding support for MosChip 9912 PCIe (serial/parallel) cards Message-ID: <Pine.GSO.4.64.1803031439210.20340@sea.ntplx.net> In-Reply-To: <20180303184359.GA29745@bali> References: <20180302061852.GA7887@bali> <Pine.GSO.4.64.1803020833290.14754@sea.ntplx.net> <20180303064400.GA27337@bali> <Pine.GSO.4.64.1803031051290.19549@sea.ntplx.net> <20180303184359.GA29745@bali>
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On Sat, 3 Mar 2018, Andre Albsmeier wrote:
> On Sat, 03-Mar-2018 at 10:53:20 -0500, Daniel Eischen wrote:
>> On Sat, 3 Mar 2018, Andre Albsmeier wrote:
>>
>>> On Fri, 02-Mar-2018 at 08:36:40 -0500, Daniel Eischen wrote:
>>>> On Fri, 2 Mar 2018, Andre Albsmeier wrote:
>>>>
>>>>> I have a MosChip 9912 card (PCIe card with 1 parallel and 2 serial
>>>>> ports) sitting here which does not get detected on 11.1. I tried
>>>>> to simply add it to the uart and ppc drivers with
>>>>>
>>>> [ ... ]
>>>>
>>>> Do you try adding similar support to puc_pci_devices[] in
>>>> sys/dev/puc/pucdata.c?
>>>
>>> Just tried that:
>>>
>>> @@ -1204,6 +1204,11 @@
>>> PUC_PORT_1S1P, 0x10, 4, 0,
>>> },
>>>
>>> +{ 0x9710, 0x9912, 0xa000, 0x3012,
>>> + "NetMos NM9912 Dual UART and 1284 Printer port",
>>> + DEFAULT_RCLK,
>>> + PUC_PORT_2S1P, 0x10, 4, 0,
>>> +},
>>> { 0x9710, 0x9865, 0xa000, 0x3012,
>>> "NetMos NM9865 Dual UART and 1284 Printer port",
>>> DEFAULT_RCLK,
>>>
>>> But the results are exactly the same. It also doesn't
>>> matter if puc.ko is loaded at all.
>>
>> Are you sure your subvendor and subdevice are correct? I would
>
> No ;-). I have to use: 0x9710, 0x9912, 0xa000, 0x2000,
>
> Now I have the following behaviour:
>
> When I load puc.ko I get:
> puc0: <NetMos NM9912 Dual UART and 1284 Printer port> at device 0.2 on pci9
>
> If I load ppc.ko now, I get:
> ppc0: parallel port not found.
>
> But if I unload puc and ppc and load ppc again, I get:
>
> ppc0: <MosChip MCS9912 PCIe to Peripheral Controller> port 0xd000-0xd007,0xd008-0xd00f mem 0x89200000-0x89200fff irq 20 at device 0.2 on pci9
> ppc0: Generic chipset (EPP/NIBBLE) in COMPATIBLE mode
> ppbus0: <Parallel port bus> on ppc0
> lpt0: <Printer> on ppbus0
> lpt0: Interrupt-driven port
>
> For all this I have to disable /boot/device.hints -- otherwise
> the messages "driver bug: Unable to set devclass" comes back.
>
> So I think there are two problems:
>
> First the settings of the ISA stuff in /boot/device.hints conflicted
> with the settings the driver probed. This would be easy to solve --
> just disable them in /boot/device.hints.
>
> Second it appears that ppc only attaches if puc did some kind of
> initialisation first. But we have to detach puc so the ppc can attach.
Strange. Did you try setting puc_load="YES" in /boot/loader.conf
and rebooting? Or are you just loading and unloading modules
for now?
--
DE
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