Paul Walmsley <paul.walmsley@xxxxxxxxxx> writes: > Add a serial driver for the SiFive UART, found on SiFive FU540 devices > (among others). > > The underlying serial IP block is relatively basic, and currently does > not support serial break detection. Further information on the IP > block can be found in the documentation and Chisel sources: > > https://static.dev.sifive.com/FU540-C000-v1.0.pdf > > https://github.com/sifive/sifive-blocks/tree/master/src/main/scala/devices/uart > > This driver was written in collaboration with Wesley Terpstra > <wesley@xxxxxxxxxx>. > > Tested on a SiFive HiFive Unleashed A00 board, using BBL and the open- > source FSBL (using a DT file based on what's targeted for mainline). > > This revision incorporates changes based on comments by Julia Lawall > <julia.lawall@xxxxxxx>, Emil Renner Berthing <kernel@xxxxxxxx>, and > Andreas Schwab <schwab@xxxxxxx>. Thanks also to Andreas for testing > the driver with his userspace and reporting a bug with the > set_termios implementation. > > Signed-off-by: Paul Walmsley <paul.walmsley@xxxxxxxxxx> > Signed-off-by: Paul Walmsley <paul@xxxxxxxxx> > Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> > Cc: Jiri Slaby <jslaby@xxxxxxxx> > Cc: Palmer Dabbelt <palmer@xxxxxxxxxx> > Cc: Wesley Terpstra <wesley@xxxxxxxxxx> > Cc: linux-serial@xxxxxxxxxxxxxxx > Cc: linux-riscv@xxxxxxxxxxxxxxxxxxx > Cc: linux-kernel@xxxxxxxxxxxxxxx > Cc: Julia Lawall <julia.lawall@xxxxxxx> > Cc: Emil Renner Berthing <kernel@xxxxxxxx> > Cc: Andreas Schwab <schwab@xxxxxxx> Tested-by: Kevin Hilman <khilman@xxxxxxxxxxxx>
