Hi Julien, Bertrand,
Sorry, I messed up with your e-mail addresses in the previous email. Adding you correctly. Volodymyr Babchuk <[email protected]> writes: > HSCIF is a high-speed variant of Renesas SCIF serial interface. From > Xen point of view, they almost the same, only difference is in FIFO > size. > > Signed-off-by: Volodymyr Babchuk <[email protected]> > --- > xen/drivers/char/scif-uart.c | 13 +++++++++++++ > 1 file changed, 13 insertions(+) > > diff --git a/xen/drivers/char/scif-uart.c b/xen/drivers/char/scif-uart.c > index ee204a11a4..8f4485bdfc 100644 > --- a/xen/drivers/char/scif-uart.c > +++ b/xen/drivers/char/scif-uart.c > @@ -47,6 +47,7 @@ enum port_types > { > SCIF_PORT, > SCIFA_PORT, > + HSCIF_PORT, > NR_PORTS, > }; > > @@ -88,6 +89,17 @@ static const struct port_params port_params[NR_PORTS] = > SCASCR_BRIE, > .fifo_size = 64, > }, > + [HSCIF_PORT] = > + { > + .status_reg = SCIF_SCFSR, > + .tx_fifo_reg = SCIF_SCFTDR, > + .rx_fifo_reg = SCIF_SCFRDR, > + .overrun_reg = SCIF_SCLSR, > + .overrun_mask = SCLSR_ORER, > + .error_mask = SCFSR_PER | SCFSR_FER | SCFSR_BRK | SCFSR_ER, > + .irq_flags = SCSCR_RIE | SCSCR_TIE | SCSCR_REIE, > + .fifo_size = 128, > + }, > }; > > static void scif_uart_interrupt(int irq, void *data, struct cpu_user_regs > *regs) > @@ -288,6 +300,7 @@ static const struct dt_device_match scif_uart_dt_match[] > __initconst = > { > { .compatible = "renesas,scif", .data = &port_params[SCIF_PORT] }, > { .compatible = "renesas,scifa", .data = &port_params[SCIFA_PORT] }, > + { .compatible = "renesas,hscif", .data = &port_params[HSCIF_PORT] }, > { /* sentinel */ }, > }; -- Volodymyr Babchuk at EPAM
