From: Sascha Hauer <s.hauer@pengutronix.de>
To: gregory hermant <gregory.hermant@calao-systems.com>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH] Enable pull-up on Rx serial ports for the CALAO MB-QIL-A9260
Date: Fri, 3 Aug 2012 15:51:40 +0200 [thread overview]
Message-ID: <20120803135140.GS1451@pengutronix.de> (raw)
In-Reply-To: <501BA13A.30605@calao-systems.com>
On Fri, Aug 03, 2012 at 12:00:26PM +0200, gregory hermant wrote:
> This patch prevents to stop the autoboot randomly for the CALAO MB-QIL-A9260.
> Indeed on this board, there's no pull-up on the RX inputs for the DBGU, COM1 & COM2 serial port.
> With pull-up enabled, there's no longer unwanted character received from these console (CONFIG_CONSOLE_ACTIVATE_ALL=y).
>
> Signed-off-by: Gregory Hermant <gregory.hermant@calao-systems.com>
Applied, thanks
Sascha
> ---
> arch/arm/boards/qil-a9260/init.c | 6 ++++++
> 1 files changed, 6 insertions(+), 0 deletions(-)
>
> diff --git a/arch/arm/boards/qil-a9260/init.c b/arch/arm/boards/qil-a9260/init.c
> index 305d733..b43cace 100644
> --- a/arch/arm/boards/qil-a9260/init.c
> +++ b/arch/arm/boards/qil-a9260/init.c
> @@ -196,11 +196,17 @@ device_initcall(qil_a9260_devices_init);
> static int qil_a9260_console_init(void)
> {
> at91_register_uart(0, 0);
> + at91_set_A_periph(AT91_PIN_PB14, 1); /* Enable pull-up on DRXD */
> +
> at91_register_uart(1, ATMEL_UART_CTS | ATMEL_UART_RTS
> | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD
> | ATMEL_UART_RI);
> +
> at91_register_uart(2, ATMEL_UART_CTS | ATMEL_UART_RTS);
> + at91_set_A_periph(AT91_PIN_PB7, 1); /* Enable pull-up on RXD1 */
> +
> at91_register_uart(3, ATMEL_UART_CTS | ATMEL_UART_RTS);
> + at91_set_A_periph(AT91_PIN_PB9, 1); /* Enable pull-up on RXD2 */
>
> return 0;
> }
> --
> 1.5.6.3
>
>
>
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> barebox@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/barebox
>
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prev parent reply other threads:[~2012-08-03 13:51 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-03 10:00 gregory hermant
2012-08-03 13:51 ` Sascha Hauer [this message]
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