ramips: add linux 4.4 support, update mt7621 subtarget to 4.4

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 48951

1 files changed, 94 insertions, 0 deletions

diff --git a/target/linux/ramips/patches-4.4/0507-net-next-mediatek-add-support-for-rt3883.patch b/target/linux/ramips/patches-4.4/0507-net-next-mediatek-add-support-for-rt3883.patch
new file mode 100644
index 0000000..53d35d0
--- /dev/null
+++ b/target/linux/ramips/patches-4.4/0507-net-next-mediatek-add-support-for-rt3883.patch
@@ -0,0 +1,94 @@
+From 5ad283c69029a519681ed453e7f7ddf250c10559 Mon Sep 17 00:00:00 2001
+From: John Crispin <blogic@openwrt.org>
+Date: Wed, 18 Nov 2015 03:51:24 +0100
+Subject: [PATCH 507/513] net-next: mediatek: add support for rt3883
+
+Add support for rt3883 and its smaller version rt3662. They both have a single
+gBit port that will normally be attached to an external phy of switch.
+
+Signed-off-by: John Crispin <blogic@openwrt.org>
+Signed-off-by: Felix Fietkau <nbd@openwrt.org>
+Signed-off-by: Michael Lee <igvtee@gmail.com>
+---
+ drivers/net/ethernet/mediatek/soc_rt3883.c |   75 ++++++++++++++++++++++++++++
+ 1 file changed, 75 insertions(+)
+ create mode 100644 drivers/net/ethernet/mediatek/soc_rt3883.c
+
+--- /dev/null
++++ b/drivers/net/ethernet/mediatek/soc_rt3883.c
+@@ -0,0 +1,75 @@
++/*   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
++ *
++ *   This program is distributed in the hope that it will be useful,
++ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
++ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
++ *   GNU General Public License for more details.
++ *
++ *   Copyright (C) 2009-2015 John Crispin <blogic@openwrt.org>
++ *   Copyright (C) 2009-2015 Felix Fietkau <nbd@openwrt.org>
++ *   Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com>
++ */
++
++#include <linux/module.h>
++
++#include <asm/mach-ralink/ralink_regs.h>
++
++#include "mtk_eth_soc.h"
++#include "mdio_rt2880.h"
++
++#define RT3883_RSTCTRL_FE		BIT(21)
++
++static void rt3883_fe_reset(void)
++{
++	fe_reset(RT3883_RSTCTRL_FE);
++}
++
++static int rt3883_fwd_config(struct fe_priv *priv)
++{
++	int ret;
++
++	ret = fe_set_clock_cycle(priv);
++	if (ret)
++		return ret;
++
++	fe_fwd_config(priv);
++	fe_w32(FE_PSE_FQFC_CFG_256Q, FE_PSE_FQ_CFG);
++	fe_csum_config(priv);
++
++	return ret;
++}
++
++static void rt3883_init_data(struct fe_soc_data *data,
++			     struct net_device *netdev)
++{
++	struct fe_priv *priv = netdev_priv(netdev);
++
++	priv->flags = FE_FLAG_PADDING_64B | FE_FLAG_PADDING_BUG |
++		FE_FLAG_JUMBO_FRAME | FE_FLAG_CALIBRATE_CLK;
++	netdev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM |
++		NETIF_F_RXCSUM | NETIF_F_HW_VLAN_CTAG_TX;
++}
++
++static struct fe_soc_data rt3883_data = {
++	.init_data = rt3883_init_data,
++	.reset_fe = rt3883_fe_reset,
++	.fwd_config = rt3883_fwd_config,
++	.pdma_glo_cfg = FE_PDMA_SIZE_8DWORDS,
++	.rx_int = FE_RX_DONE_INT,
++	.tx_int = FE_TX_DONE_INT,
++	.status_int = FE_CNT_GDM_AF,
++	.checksum_bit = RX_DMA_L4VALID,
++	.mdio_read = rt2880_mdio_read,
++	.mdio_write = rt2880_mdio_write,
++	.mdio_adjust_link = rt2880_mdio_link_adjust,
++	.port_init = rt2880_port_init,
++};
++
++const struct of_device_id of_fe_match[] = {
++	{ .compatible = "ralink,rt3883-eth", .data = &rt3883_data },
++	{},
++};
++
++MODULE_DEVICE_TABLE(of, of_fe_match);