2013-06-04 12:21:02

by Michal Simek

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Subject: [PATCH] tty: serial: Enable uartlite for ARM zynq

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2013-06-04 12:44:00

by Steffen Trumtrar

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Subject: Re: [PATCH] tty: serial: Enable uartlite for ARM zynq

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On Tue, Jun 04, 2013 at 02:20:43PM +0200, Michal Simek wrote:
> Enable it in Kconfig.
>
> Signed-off-by: Michal Simek <[email protected]>
> ---
> drivers/tty/serial/Kconfig | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig
> index 7e7006f..64250b1 100644
> --- a/drivers/tty/serial/Kconfig
> +++ b/drivers/tty/serial/Kconfig
> @@ -576,7 +576,7 @@ config SERIAL_IMX_CONSOLE
>
> config SERIAL_UARTLITE
> tristate "Xilinx uartlite serial port support"
> - depends on PPC32 || MICROBLAZE || MFD_TIMBERDALE
> + depends on PPC32 || MICROBLAZE || MFD_TIMBERDALE || ARCH_ZYNQ
> select SERIAL_CORE
> help
> Say Y here if you want to use the Xilinx uartlite serial controller.
> --
> 1.8.2.3
>

Hi!

Doesn't the Zynq use xilinx_uartps ? (which in turn is actually a Cadence UART)

Regards,
Steffen

--
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2013-06-04 12:52:39

by Michal Simek

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Subject: Re: [PATCH] tty: serial: Enable uartlite for ARM zynq

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On 06/04/2013 02:43 PM, Steffen Trumtrar wrote:
> On Tue, Jun 04, 2013 at 02:20:43PM +0200, Michal Simek wrote:
>> Enable it in Kconfig.
>>
>> Signed-off-by: Michal Simek <[email protected]>
>> ---
>> drivers/tty/serial/Kconfig | 2 +-
>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig
>> index 7e7006f..64250b1 100644
>> --- a/drivers/tty/serial/Kconfig
>> +++ b/drivers/tty/serial/Kconfig
>> @@ -576,7 +576,7 @@ config SERIAL_IMX_CONSOLE
>>
>> config SERIAL_UARTLITE
>> tristate "Xilinx uartlite serial port support"
>> - depends on PPC32 || MICROBLAZE || MFD_TIMBERDALE
>> + depends on PPC32 || MICROBLAZE || MFD_TIMBERDALE || ARCH_ZYNQ
>> select SERIAL_CORE
>> help
>> Say Y here if you want to use the Xilinx uartlite serial controller.
>> --
>> 1.8.2.3
>>
>
> Hi!
>
> Doesn't the Zynq use xilinx_uartps ? (which in turn is actually a Cadence UART)

You can add this soft IP to programmable logic.
It means 2 uartps are hard blocks in the zynq and then you can add unlimited number
of these uartlite drivers or ns16550 to PL.

Thanks,
Michal

--
Michal Simek, Ing. (M.Eng), OpenPGP -> KeyID: FE3D1F91
w: http://www.monstr.eu p: +42-0-721842854
Maintainer of Linux kernel - Microblaze cpu - http://www.monstr.eu/fdt/
Maintainer of Linux kernel - Xilinx Zynq ARM architecture
Microblaze U-BOOT custodian and responsible for u-boot arm zynq platform

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2013-06-04 12:54:57

by Steffen Trumtrar

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Subject: Re: [PATCH] tty: serial: Enable uartlite for ARM zynq

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On Tue, Jun 04, 2013 at 02:52:34PM +0200, Michal Simek wrote:
> On 06/04/2013 02:43 PM, Steffen Trumtrar wrote:
> > On Tue, Jun 04, 2013 at 02:20:43PM +0200, Michal Simek wrote:
> >> Enable it in Kconfig.
> >>
> >> Signed-off-by: Michal Simek <[email protected]>
> >> ---
> >> drivers/tty/serial/Kconfig | 2 +-
> >> 1 file changed, 1 insertion(+), 1 deletion(-)
> >>
> >> diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig
> >> index 7e7006f..64250b1 100644
> >> --- a/drivers/tty/serial/Kconfig
> >> +++ b/drivers/tty/serial/Kconfig
> >> @@ -576,7 +576,7 @@ config SERIAL_IMX_CONSOLE
> >>
> >> config SERIAL_UARTLITE
> >> tristate "Xilinx uartlite serial port support"
> >> - depends on PPC32 || MICROBLAZE || MFD_TIMBERDALE
> >> + depends on PPC32 || MICROBLAZE || MFD_TIMBERDALE || ARCH_ZYNQ
> >> select SERIAL_CORE
> >> help
> >> Say Y here if you want to use the Xilinx uartlite serial controller.
> >> --
> >> 1.8.2.3
> >>
> >
> > Hi!
> >
> > Doesn't the Zynq use xilinx_uartps ? (which in turn is actually a Cadence UART)
>
> You can add this soft IP to programmable logic.
> It means 2 uartps are hard blocks in the zynq and then you can add unlimited number
> of these uartlite drivers or ns16550 to PL.

Ah, okay.

Thanks,
Steffen

--
Pengutronix e.K. | |
Industrial Linux Solutions | http://www.pengutronix.de/ |
Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 |
Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |