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7de0fe1ac3
u-boot-brain/drivers/serial
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Javier Martinez Canillas 7de0fe1ac3 serial/ns16550: add an option to avoid hanging on broken platforms 
Some platforms (e.g. IGEPv2 board) has a broken ns16550 UART that
does not set the TEMT bit when the transmitter is empty in SPL.
This makes U-Boot to hang while waiting for TEMT to be set.

Add a new option to avoid this:

CONFIG_SYS_NS16550_BROKEN_TEMT

16550 UART set the Transmitter Empty (TEMT) Bit when all output
has finished and the transmitter is totally empty. U-Boot waits
for this bit to be set to initialize the serial console. On some
broken platforms this bit is not set in SPL making U-Boot to
hang while waiting for TEMT. Define this option to avoid it.

Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
2013-01-10 15:09:24 -07:00
..
altera_jtag_uart.c serial: Use default_serial_puts() in drivers 2012-10-17 07:55:50 -07:00
altera_uart.c serial: Use default_serial_puts() in drivers 2012-10-17 07:55:50 -07:00
arm_dcc.c stdio/device: rework function naming convention 2009-07-18 00:27:46 +02:00
atmel_usart.c serial: Use default_serial_puts() in drivers 2012-10-17 07:55:50 -07:00
atmel_usart.h Coding Style cleanup 2010-10-27 22:48:30 +02:00
lpc32xx_hsuart.c serial: Use default_serial_puts() in drivers 2012-10-17 07:55:50 -07:00
Makefile stdio: Remove the CLPS7111 serial driver 2012-10-26 22:38:40 +02:00
mcfuart.c ColdFire: uart: fix build failure for missing header files 2012-10-19 23:52:16 +08:00
ns9750_serial.c serial: Use default_serial_puts() in drivers 2012-10-17 07:55:50 -07:00
ns16550.c serial/ns16550: add an option to avoid hanging on broken platforms 2013-01-10 15:09:24 -07:00
opencores_yanu.c serial: Use default_serial_puts() in drivers 2012-10-17 07:55:50 -07:00
s3c64xx.c s3c64xx: fix the compiler error and warning 2012-11-15 21:08:19 +09:00
sandbox.c serial: Remove CONFIG_SERIAL_MULTI from serial drivers 2012-10-15 11:53:58 -07:00
serial_imx.c serial: Use default_serial_puts() in drivers 2012-10-17 07:55:50 -07:00
serial_ixp.c serial: Use default_serial_puts() in drivers 2012-10-17 07:55:50 -07:00
serial_ks8695.c serial: Use default_serial_puts() in drivers 2012-10-17 07:55:50 -07:00
serial_max3100.c serial: Remove CONFIG_SERIAL_MULTI from serial drivers 2012-10-15 11:53:58 -07:00
serial_mxc.c serial: Use default_serial_puts() in drivers 2012-10-17 07:55:50 -07:00
serial_ns16550.c serial/ns16550: don't build serial_ns16550 with MIN_FUNCTIONS 2012-11-26 15:41:20 -06:00
serial_pl01x.c serial_pl011: Set RTS during initialization 2012-12-07 08:47:52 -07:00
serial_pl01x.h Serial: p1011: new vendor init options 2011-05-12 19:09:07 +02:00
serial_pxa.c serial: Remove CONFIG_SERIAL_MULTI from serial drivers 2012-10-15 11:53:58 -07:00
serial_s3c24x0.c serial: Remove CONFIG_SERIAL_MULTI from serial drivers 2012-10-15 11:53:58 -07:00
serial_s3c44b0.c serial: Use default_serial_puts() in drivers 2012-10-17 07:55:50 -07:00
serial_s5p.c serial: s5p: Move serial registration from serial_initialize() 2012-10-15 11:53:49 -07:00
serial_sa1100.c serial: Use default_serial_puts() in drivers 2012-10-17 07:55:50 -07:00
serial_sh.c serial: serial_sh: bugfix: autoboot fails if serial console is not connected 2012-11-30 15:06:05 +09:00
serial_sh.h serial: sh: Add support Renesas R8A7740 2012-08-08 09:52:06 +09:00
serial_xuartlite.c serial: Remove CONFIG_SERIAL_MULTI from serial drivers 2012-10-15 11:53:58 -07:00
serial_zynq.c serial: Remove CONFIG_SERIAL_MULTI from serial drivers 2012-10-15 11:53:58 -07:00
serial.c env: Add a baudrate env handler 2012-12-13 11:46:55 -07:00
usbtty.c Enable high speed support for USB device framework and usbtty 2012-03-28 16:31:08 +02:00
usbtty.h Enable high speed support for USB device framework and usbtty 2012-03-28 16:31:08 +02:00