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Diffstat (limited to 'hw/serial.c')
-rw-r--r--hw/serial.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/hw/serial.c b/hw/serial.c
index fa12dcc07..006326056 100644
--- a/hw/serial.c
+++ b/hw/serial.c
@@ -730,6 +730,13 @@ static void serial_init_core(SerialState *s)
serial_event, s);
}
+/* Change the main reference oscillator frequency. */
+void serial_set_frequency(SerialState *s, uint32_t frequency)
+{
+ s->baudbase = frequency;
+ serial_update_parameters(s);
+}
+
static const int isa_serial_io[MAX_SERIAL_PORTS] = { 0x3f8, 0x2f8, 0x3e8, 0x2e8 };
static const int isa_serial_irq[MAX_SERIAL_PORTS] = { 4, 3, 4, 3 };