diff --git a/patches/common/wrapper.c b/patches/common/wrapper.c
index d17a16131..57daef5a5 100644
--- a/patches/common/wrapper.c
+++ b/patches/common/wrapper.c
@@ -1958,39 +1958,51 @@ RETURN_DUMMY
 
 AT(CHIP_VER_BCM4366c0, FW_VER_ALL, 0x1CED4)
 AT(CHIP_VER_BCM4375b1, FW_VER_18_41_113_sta, 0x1D7A2C)
+AT(CHIP_VER_BCM4398d0, FW_VER_ALL, 0x257730)
 void *
 wl_init_timer(void *wl, void (*fn)(void* arg), void *arg, const char *name)
 RETURN_DUMMY
 
 AT(CHIP_VER_BCM4366c0, FW_VER_ALL, 0x1CEBC)
 AT(CHIP_VER_BCM4375b1, FW_VER_18_41_113_sta, 0x1D7A48)
+AT(CHIP_VER_BCM4398d0, FW_VER_ALL, 0x257740)
 void
 wl_free_timer(void *wl, void *t)
 VOID_DUMMY
 
 AT(CHIP_VER_BCM4366c0, FW_VER_ALL, 0x1CD1C)
 AT(CHIP_VER_BCM4375b1, FW_VER_18_41_113_sta, 0x1D7A4E)
+AT(CHIP_VER_BCM4398d0, FW_VER_ALL, 0x257750)
 void
 wl_add_timer(void *wl, void *t, uint ms, int periodic)
 VOID_DUMMY
 
+AT(CHIP_VER_BCM4398d0, FW_VER_ALL, 0x257760)
+void
+wl_add_timer_us(void *wl, void *t, uint us, int periodic)
+VOID_DUMMY
+
 AT(CHIP_VER_BCM4366c0, FW_VER_ALL, 0x1CDC4)
 AT(CHIP_VER_BCM4375b1, FW_VER_18_41_113_sta, 0x1D7A58)
+AT(CHIP_VER_BCM4398d0, FW_VER_ALL, 0x257770)
 uint
 wl_del_timer(void *wl, void *t)
 RETURN_DUMMY
 
 AT(CHIP_VER_BCM4375b1, FW_VER_ALL, 0x66640)
+AT(CHIP_VER_BCM4398d0, FW_VER_ALL, 0xF1F50)
 bool
 hnd_timer_start_us(void *timer, uint32 us, bool periodic)
 RETURN_DUMMY
 
 AT(CHIP_VER_BCM4375b1, FW_VER_ALL, 0xFFBF4)
+AT(CHIP_VER_BCM4398d0, FW_VER_ALL, 0x1E9CEC)
 int
 wlc_rsdb_get_wlcs(void *wlc, void **wlc_2g, void **wlc_5g)
 RETURN_DUMMY
 
 AT(CHIP_VER_BCM4375b1, FW_VER_ALL, 0x762A4)
+AT(CHIP_VER_BCM4398d0, FW_VER_ALL, 0x106E04)
 void *
 wlc_find_wlc_for_chanspec(void *wlc, uint16 chanspec)
 RETURN_DUMMY