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* tty/serial: at91: add a fallback option to determine uart/usart propertyNicolas Ferre2013-10-171-0/+1
| | | | | | | | | On older SoC, the "name" field is not filled in the register map. Fix the way to figure out if the serial port is an uart or an usart for these older products (with corresponding properties). Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* serial: at91: distinguish usart and uartElen Song2013-07-291-0/+2
| | | | | | | | | Distinguish usart and uart by read ip name register, The usart read name is "USAR", The uart and dbgu read name is "DBGU". Signed-off-by: Elen Song <elen.song@atmel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* [ARM] 4660/3: at91: allow selecting UART for early kernel messagesGuennadi Liakhovetski2008-02-041-0/+127
Currently early kernel messages, i.e., those from uncompression, go to the debugging UART. And if it is enabled in the platform configuration, but not initialized by the bootloader, the machine hangs, waiting for UART status change. Besides, having those messages on another UART - typically the console UART - may be preferrable. This patch allows selecting the UART in kernel configuration. Signed-off-by: Guennadi Liakhovetski <lg@denx.de> Acked-by: Andrew Victor <linux@maxim.org.za> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>