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Hi Marek,
On 13.12.2015 16:48, Marek Vasut wrote:
> On Sunday, December 13, 2015 at 01:38:41 PM, Mateusz Kulikowski wrote:
[...]
>> It doesn't matter if I add it as
>> select USB_ULPI_VIEWPORT
>> in usb KConfig, or forcibly add CONFIG_USB_ULPI_VIEWPORT to .config
>
> I think it should be quite easily possible to add this to USB Kconfig.
Will do.
>> I can use fsl headers with little exception that two registers are
>> marked as reserved: USB_AHB_MODE (0x98) and USB_GENCONFIG_2 (0xA0)
>>
>> My guess is that it's just different revision/config of IP core.
>>
>> Do you think it wouldn't look awkward if I use fsl headers?
>
> Just rename them to ehci-ci.h, that should be the quickest.
Will do.
[...]
>>>> + struct ulpi_viewport ulpi_vp = {.port_num = priv->ulpi_port,
>>>> + .viewport_addr = priv->ulpi_base};
>>>> +
>>>> + /* Disable VBUS mimicing in the controller. */
>>>> + ulpi_write(&ulpi_vp, (u8 *)ULPI_MISC_A_CLEAR,
>>>
>>> This should be a pointer to a field in struct ulpi_regs, so the (u8 *)
>>> cast does not seem right. See for example ehci-zynq.c
>>
>> Perhaps I misussed ulpi_viewport code in that case;
>>
>> The reason is I need to access MISC_A register (0x96+) that is
>> not in ulpi_regs structure - afaik it's vendor-specific.
>>
>> Any hints how to tackle that properly?
>>
>> I can of course duplicate ulpi code, but it probably doesn't make much
>> sense.
>
> I don't have a better suggestion, sorry. Let's keep this as-is unless
> someone can come up with something better. Code duplication is not a
> good idea, so we won't do that.
OK
Thanks,
Mateusz
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