@@ -191,6 +191,12 @@ static void serial_update_parameters(SerialState *s)
speed, parity, data_bits, stop_bits);
}
+void serial_set_divider(SerialState *s, uint16_t divider)
+{
+ s->divider = divider;
+ serial_update_parameters(s);
+}
+
static void serial_update_msl(SerialState *s)
{
uint8_t omsr;
@@ -83,6 +83,7 @@ extern const MemoryRegionOps serial_io_ops;
void serial_realize_core(SerialState *s, Error **errp);
void serial_exit_core(SerialState *s);
void serial_set_frequency(SerialState *s, uint32_t frequency);
+void serial_set_divider(SerialState *s, uint16_t divider);
/* legacy pre qom */
SerialState *serial_init(int base, qemu_irq irq, int baudbase,
Some chipsets provide 16650 compatible UART with exhanced features. The BCM2835 provides a register to directly set the baudrate divisor register without having to use the LABD bit. Add a helper to allow models to directly set the divisor. Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> --- hw/char/serial.c | 6 ++++++ include/hw/char/serial.h | 1 + 2 files changed, 7 insertions(+)