Stephen Hurd
6521d67349
8250/16?50: Add support for Broadcom TruManage redirected serial port
...
commit ebebd49a8e upstream.
Add support for the UART device present in Broadcom TruManage capable
NetXtreme chips (ie: 5761m 5762, and 5725).
This implementation has a hidden transmit FIFO, so running in single-byte
interrupt mode results in too many interrupts. The UART_CAP_HFIFO
capability was added to track this. It continues to reload the THR as long
as the THRE and TSRE bits are set in the LSR up to a specified limit (1024
is used here).
Signed-off-by: Stephen Hurd <shurd@broadcom.com >
Signed-off-by: Michael Chan <mchan@broadcom.com >
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org >
[bwh: Backported to 3.2:
- Adjust filenames
- Adjust context
- First available port type number is 22 not 24
- s/uart_8250_port/uart_port/
- Use serial_in() not serial_port_in()]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk >
2013-02-06 04:33:36 +00:00
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