ar71xx: ag71xx: fix max frame length setup of the built-in switches

[openwrt.git] / target / linux / ar71xx / files / drivers / net / ethernet / atheros / ag71xx / ag71xx_ar7240.c

diff --git a/target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_ar7240.c b/target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_ar7240.c
index 3fa6cca..d4ccc02 100644 (file)
--- a/target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_ar7240.c
+++ b/target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_ar7240.c
@@ -36,7 +36,8 @@
 #define AR7240_FLOOD_MASK_BROAD_TO_CPU BIT(26)
 
 #define AR7240_REG_GLOBAL_CTRL         0x30
-#define AR7240_GLOBAL_CTRL_MTU_M       BITM(12)
+#define AR7240_GLOBAL_CTRL_MTU_M       BITM(11)
+#define AR9340_GLOBAL_CTRL_MTU_M       BITM(14)
 
 #define AR7240_REG_VTU                 0x0040
 #define   AR7240_VTU_OP                        BITM(3)
@@ -586,6 +587,11 @@ static void ar7240sw_setup(struct ar7240sw *as)
                                 AR934X_FLOOD_MASK_BC_DP(0) |
                                 AR934X_FLOOD_MASK_MC_DP(0));
 
+               /* setup MTU */
+               ar7240sw_reg_rmw(mii, AR7240_REG_GLOBAL_CTRL,
+                                AR9340_GLOBAL_CTRL_MTU_M,
+                                AR9340_GLOBAL_CTRL_MTU_M);
+
                /* Enable MIB counters */
                ar7240sw_reg_set(mii, AR7240_REG_MIB_FUNCTION0,
                                 AR934X_MIB_ENABLE);
@@ -601,11 +607,12 @@ static void ar7240sw_setup(struct ar7240sw *as)
                /* Enable Broadcast frames transmitted to the CPU */
                ar7240sw_reg_set(mii, AR7240_REG_FLOOD_MASK,
                                 AR7240_FLOOD_MASK_BROAD_TO_CPU);
-       }
 
-       /* setup MTU */
-       ar7240sw_reg_rmw(mii, AR7240_REG_GLOBAL_CTRL, AR7240_GLOBAL_CTRL_MTU_M,
-                        1536);
+               /* setup MTU */
+               ar7240sw_reg_rmw(mii, AR7240_REG_GLOBAL_CTRL,
+                                AR7240_GLOBAL_CTRL_MTU_M,
+                                AR7240_GLOBAL_CTRL_MTU_M);
+       }
 
        /* setup Service TAG */
        ar7240sw_reg_rmw(mii, AR7240_REG_SERVICE_TAG, AR7240_SERVICE_TAG_M, 0);