ramips: support jumbo frame on mt7621 up to 2k

[openwrt/openwrt.git] / target / linux / ramips / patches-4.4 / 0504-net-next-mediatek-add-switch-driver-for-mt7621.patch

diff --git a/target/linux/ramips/patches-4.4/0504-net-next-mediatek-add-switch-driver-for-mt7621.patch b/target/linux/ramips/patches-4.4/0504-net-next-mediatek-add-switch-driver-for-mt7621.patch
index 71192c9a25a5b81dbd5584f694e71f3e564f9727..28c513945141fbeecfbf94bf4bd617193703c8e4 100644 (file)
--- a/target/linux/ramips/patches-4.4/0504-net-next-mediatek-add-switch-driver-for-mt7621.patch
+++ b/target/linux/ramips/patches-4.4/0504-net-next-mediatek-add-switch-driver-for-mt7621.patch
@@ -14,7 +14,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
 
 --- /dev/null
 +++ b/drivers/net/ethernet/mediatek/gsw_mt7621.c
-@@ -0,0 +1,284 @@
+@@ -0,0 +1,287 @@
 +/*   This program is free software; you can redistribute it and/or modify
 + *   it under the terms of the GNU General Public License as published by
 + *   the Free Software Foundation; version 2 of the License
@@ -115,17 +115,20 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
 +      usleep_range(10, 20);
 +
 +      if ((rt_sysc_r32(SYSC_REG_CHIP_REV_ID) & 0xFFFF) == 0x0101) {
-+              /* (GE1, Force 1000M/FD, FC ON, MAX_RX_LENGTH 1536) */
-+              mtk_switch_w32(gsw, 0x2105e30b, 0x100);
++              /* (GE1, Force 1000M/FD, FC ON, MAX_RX_LENGTH 2k) */
++              mtk_switch_w32(gsw, 0x2305e30b, GSW_REG_MAC_P0_MCR);
 +              mt7530_mdio_w32(gsw, 0x3600, 0x5e30b);
 +      } else {
-+              /* (GE1, Force 1000M/FD, FC ON, MAX_RX_LENGTH 1536) */
-+              mtk_switch_w32(gsw, 0x2105e33b, 0x100);
++              /* (GE1, Force 1000M/FD, FC ON, MAX_RX_LENGTH 2k) */
++              mtk_switch_w32(gsw, 0x2305e33b, GSW_REG_MAC_P0_MCR);
 +              mt7530_mdio_w32(gsw, 0x3600, 0x5e33b);
 +      }
 +
 +      /* (GE2, Link down) */
-+      mtk_switch_w32(gsw, 0x8000, 0x200);
++      mtk_switch_w32(gsw, 0x8000, GSW_REG_MAC_P1_MCR);
++
++      /* Set switch max RX frame length to 2k */
++      mt7530_mdio_w32(gsw, GSW_REG_GMACCR, 0x3F0B);
 +
 +      /* Enable Port 6, P5 as GMAC5, P5 disable */
 +      val = mt7530_mdio_r32(gsw, 0x7804);