linux-kernel - Re: [PATCH] tty: serial: Enable uartlite for ARM zynq

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Message-ID: <20130604125451.GD5107@pengutronix.de>
Date:	Tue, 4 Jun 2013 14:54:51 +0200
From:	Steffen Trumtrar <s.trumtrar@...gutronix.de>
To:	Michal Simek <monstr@...str.eu>
Cc:	Michal Simek <michal.simek@...inx.com>,
	linux-kernel@...r.kernel.org,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	linux-serial@...r.kernel.org, Jiri Slaby <jslaby@...e.cz>
Subject: Re: [PATCH] tty: serial: Enable uartlite for ARM zynq

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 <michal.simek@...inx.com>
> >> ---
> >>  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

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