mc146818: add square wave output support

This is necessary for es40 as the sqw output is directly connected to the
core chipset.

Signed-off-by: Tristan Gingold <gingold@adacore.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@7031 c046a42c-6fe2-441c-8c8c-71466251a162

1 files changed, 1 insertions, 0 deletions

diff --git a/hw/pc.h b/hw/pc.h
index 5b378d4..7345f04 100644
--- a/hw/pc.h
+++ b/hw/pc.h
@@ -90,6 +90,7 @@ void i8042_mm_init(qemu_irq kbd_irq, qemu_irq mouse_irq,
 typedef struct RTCState RTCState;
 
 RTCState *rtc_init(int base, qemu_irq irq, int base_year);
+RTCState *rtc_init_sqw(int base, qemu_irq irq, qemu_irq sqw_irq, int base_year);
 RTCState *rtc_mm_init(target_phys_addr_t base, int it_shift, qemu_irq irq,
                       int base_year);
 void rtc_set_memory(RTCState *s, int addr, int val);