3 files changed, 17 insertions, 2 deletions
diff --git a/sys/mips/atheros/ar724x_chip.c b/sys/mips/atheros/ar724x_chip.c
index 70192de57df2..75c5b38bded3 100644
--- a/sys/mips/atheros/ar724x_chip.c
+++ b/sys/mips/atheros/ar724x_chip.c
@@ -146,6 +146,13 @@ ar724x_chip_ddr_flush_ge1(void)
 	ar71xx_ddr_flush(AR724X_DDR_REG_FLUSH_GE1);
 }
 
+static void
+ar724x_chip_ddr_flush_ip2(void)
+{
+	ar71xx_ddr_flush(AR724X_DDR_REG_FLUSH_PCIE);
+}
+
+
 static uint32_t
 ar724x_chip_get_eth_pll(unsigned int mac, int speed)
 {
@@ -207,6 +214,6 @@ struct ar71xx_cpu_def ar724x_chip_def = {
         &ar724x_chip_ddr_flush_ge0,
         &ar724x_chip_ddr_flush_ge1,
         &ar724x_chip_get_eth_pll,
-	NULL,		/* ar71xx_chip_irq_flush_ip2 */
+        &ar724x_chip_ddr_flush_ip2,
 	&ar724x_chip_init_usb_peripheral
 };
diff --git a/sys/mips/atheros/ar724xreg.h b/sys/mips/atheros/ar724xreg.h
index ab83e0028670..68dda9cd2f2b 100644
--- a/sys/mips/atheros/ar724xreg.h
+++ b/sys/mips/atheros/ar724xreg.h
@@ -59,6 +59,7 @@
 #define	AR7240_OHCI_BASE		0x1b000000
 #define	AR7240_OHCI_SIZE		0x01000000
 #define	AR724X_DDR_REG_FLUSH_USB	(AR71XX_DDR_CONFIG + 0x84)
+#define	AR724X_DDR_REG_FLUSH_PCIE	(AR71XX_DDR_CONFIG + 0x88)
 
 #define	AR724X_PCI_CRP_BASE		(AR71XX_APB_BASE + 0x000C0000)
 #define	AR724X_PCI_CRP_SIZE		0x100
diff --git a/sys/mips/atheros/ar91xx_chip.c b/sys/mips/atheros/ar91xx_chip.c
index e44948afe913..9cf60bc86987 100644
--- a/sys/mips/atheros/ar91xx_chip.c
+++ b/sys/mips/atheros/ar91xx_chip.c
@@ -174,6 +174,13 @@ ar91xx_chip_ddr_flush_ge1(void)
 	ar71xx_ddr_flush(AR91XX_DDR_REG_FLUSH_GE1);
 }
 
+static void
+ar91xx_chip_ddr_flush_ip2(void)
+{
+	ar71xx_ddr_flush(AR91XX_DDR_REG_FLUSH_WMAC);
+}
+
+
 static uint32_t
 ar91xx_chip_get_eth_pll(unsigned int mac, int speed)
 {
@@ -211,6 +218,6 @@ struct ar71xx_cpu_def ar91xx_chip_def = {
         &ar91xx_chip_ddr_flush_ge0,
         &ar91xx_chip_ddr_flush_ge1,
         &ar91xx_chip_get_eth_pll,
-	NULL,
+        &ar91xx_chip_ddr_flush_ip2,
 	&ar91xx_chip_init_usb_peripheral,
 };