2 files changed, 11 insertions, 0 deletions

diff --git a/drivers/serial/sb1250-duart.c b/drivers/serial/sb1250-duart.c
index 201253755011..2d6c08b3dbcf 100644
--- a/drivers/serial/sb1250-duart.c
+++ b/drivers/serial/sb1250-duart.c
@@ -58,6 +58,12 @@
 #define SBD_CTRLREGS(line)      A_BCM1480_DUART_CTRLREG((line), 0)
 #define SBD_INT(line)           (K_BCM1480_INT_UART_0 + (line))
 
+#define DUART_CHANREG_SPACING   BCM1480_DUART_CHANREG_SPACING
+
+#define R_DUART_IMRREG(line)    R_BCM1480_DUART_IMRREG(line)
+#define R_DUART_INCHREG(line)   R_BCM1480_DUART_INCHREG(line)
+#define R_DUART_ISRREG(line)    R_BCM1480_DUART_ISRREG(line)
+
 #elif defined(CONFIG_SIBYTE_SB1250) || defined(CONFIG_SIBYTE_BCM112X)
 #include <asm/sibyte/sb1250_regs.h>
 #include <asm/sibyte/sb1250_int.h>
diff --git a/include/asm-mips/sibyte/bcm1480_regs.h b/include/asm-mips/sibyte/bcm1480_regs.h
index 2738c1366f66..c34d36b6b8c2 100644
--- a/include/asm-mips/sibyte/bcm1480_regs.h
+++ b/include/asm-mips/sibyte/bcm1480_regs.h
@@ -227,10 +227,15 @@
         (A_BCM1480_DUART(chan) +                                        \
          BCM1480_DUART_CHANREG_SPACING * 3 + (reg))
 
+#define DUART_IMRISR_SPACING        0x20
+#define DUART_INCHNG_SPACING        0x10
+
 #define R_BCM1480_DUART_IMRREG(chan)                                    \
         (R_DUART_IMR_A + ((chan) & 1) * DUART_IMRISR_SPACING)
 #define R_BCM1480_DUART_ISRREG(chan)                                    \
         (R_DUART_ISR_A + ((chan) & 1) * DUART_IMRISR_SPACING)
+#define R_BCM1480_DUART_INCHREG(chan)                                   \
+        (R_DUART_IN_CHNG_A + ((chan) & 1) * DUART_INCHNG_SPACING)
 
 #define A_BCM1480_DUART_IMRREG(chan)                                    \
         (A_BCM1480_DUART_CTRLREG((chan), R_BCM1480_DUART_IMRREG(chan)))