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authorChuanhong Guo <gch981213@gmail.com>2020-04-09 14:09:48 +0800
committerChuanhong Guo <gch981213@gmail.com>2020-04-12 22:27:17 +0800
commit33d027c5b8fb5265ea84ac41a7bfedd805c48b24 (patch)
tree81e9e97d1700c47db77ee6c592ac836ad1f669b6 /target/linux/ramips/files
parentb0ec8d0ca0713113a0384bd74b560bd17c298712 (diff)
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ramips: move and rename out-of-tree mtk eth driver
move the driver into shared 'files' directory and rename all symbols from mediatek/mtk to ralink. Signed-off-by: Chuanhong Guo <gch981213@gmail.com>
Diffstat (limited to 'target/linux/ramips/files')
-rw-r--r--target/linux/ramips/files/drivers/net/ethernet/ralink/Kconfig70
-rw-r--r--target/linux/ramips/files/drivers/net/ethernet/ralink/Makefile22
-rw-r--r--target/linux/ramips/files/drivers/net/ethernet/ralink/esw_rt3050.c1465
-rw-r--r--target/linux/ramips/files/drivers/net/ethernet/ralink/esw_rt3050.h29
-rw-r--r--target/linux/ramips/files/drivers/net/ethernet/ralink/ethtool.c230
-rw-r--r--target/linux/ramips/files/drivers/net/ethernet/ralink/ethtool.h22
-rw-r--r--target/linux/ramips/files/drivers/net/ethernet/ralink/gsw_mt7620.c313
-rw-r--r--target/linux/ramips/files/drivers/net/ethernet/ralink/gsw_mt7620.h132
-rw-r--r--target/linux/ramips/files/drivers/net/ethernet/ralink/gsw_mt7621.c275
-rw-r--r--target/linux/ramips/files/drivers/net/ethernet/ralink/mdio.c267
-rw-r--r--target/linux/ramips/files/drivers/net/ethernet/ralink/mdio.h28
-rw-r--r--target/linux/ramips/files/drivers/net/ethernet/ralink/mdio_mt7620.c168
-rw-r--r--target/linux/ramips/files/drivers/net/ethernet/ralink/mdio_rt2880.c222
-rw-r--r--target/linux/ramips/files/drivers/net/ethernet/ralink/mdio_rt2880.h23
-rw-r--r--target/linux/ramips/files/drivers/net/ethernet/ralink/mt7530.c1120
-rw-r--r--target/linux/ramips/files/drivers/net/ethernet/ralink/mt7530.h186
-rw-r--r--target/linux/ramips/files/drivers/net/ethernet/ralink/mtk_debugfs.c115
-rw-r--r--target/linux/ramips/files/drivers/net/ethernet/ralink/mtk_eth_soc.c1728
-rw-r--r--target/linux/ramips/files/drivers/net/ethernet/ralink/mtk_eth_soc.h532
-rw-r--r--target/linux/ramips/files/drivers/net/ethernet/ralink/mtk_offload.c540
-rw-r--r--target/linux/ramips/files/drivers/net/ethernet/ralink/mtk_offload.h260
-rw-r--r--target/linux/ramips/files/drivers/net/ethernet/ralink/soc_mt7620.c373
-rw-r--r--target/linux/ramips/files/drivers/net/ethernet/ralink/soc_mt7621.c187
-rw-r--r--target/linux/ramips/files/drivers/net/ethernet/ralink/soc_rt2880.c76
-rw-r--r--target/linux/ramips/files/drivers/net/ethernet/ralink/soc_rt3050.c158
-rw-r--r--target/linux/ramips/files/drivers/net/ethernet/ralink/soc_rt3883.c75
26 files changed, 8616 insertions, 0 deletions
diff --git a/target/linux/ramips/files/drivers/net/ethernet/ralink/Kconfig b/target/linux/ramips/files/drivers/net/ethernet/ralink/Kconfig
new file mode 100644
index 0000000000..51cace5333
--- /dev/null
+++ b/target/linux/ramips/files/drivers/net/ethernet/ralink/Kconfig
@@ -0,0 +1,70 @@
+config NET_VENDOR_RALINK
+ tristate "Ralink ethernet driver"
+ depends on RALINK
+ help
+ This driver supports the ethernet mac inside Ralink WiSoCs
+
+config NET_RALINK_SOC
+ def_tristate NET_VENDOR_RALINK
+
+if NET_RALINK_SOC
+choice
+ prompt "MAC type"
+
+config NET_RALINK_RT2880
+ bool "RT2882"
+ depends on MIPS && SOC_RT288X
+
+config NET_RALINK_RT3050
+ bool "RT3050/MT7628"
+ depends on MIPS && (SOC_RT305X || SOC_MT7620)
+
+config NET_RALINK_RT3883
+ bool "RT3883"
+ depends on MIPS && SOC_RT3883
+
+config NET_RALINK_MT7620
+ bool "MT7620"
+ depends on MIPS && SOC_MT7620
+
+config NET_RALINK_MT7621
+ bool "MT7621"
+ depends on MIPS && SOC_MT7621
+
+endchoice
+
+config NET_RALINK_OFFLOAD
+ def_bool NET_RALINK_SOC
+ depends on NET_RALINK_MT7621
+
+config NET_RALINK_HW_QOS
+ def_bool NET_RALINK_SOC
+ depends on NET_RALINK_MT7623
+
+config NET_RALINK_MDIO
+ def_bool NET_RALINK_SOC
+ depends on (NET_RALINK_RT2880 || NET_RALINK_RT3883 || NET_RALINK_MT7620 || NET_RALINK_MT7621)
+ select PHYLIB
+
+config NET_RALINK_MDIO_RT2880
+ def_bool NET_RALINK_SOC
+ depends on (NET_RALINK_RT2880 || NET_RALINK_RT3883)
+ select NET_RALINK_MDIO
+
+config NET_RALINK_MDIO_MT7620
+ def_bool NET_RALINK_SOC
+ depends on (NET_RALINK_MT7620 || NET_RALINK_MT7621)
+ select NET_RALINK_MDIO
+
+config NET_RALINK_ESW_RT3050
+ def_tristate NET_RALINK_SOC
+ depends on NET_RALINK_RT3050
+
+config NET_RALINK_GSW_MT7620
+ def_tristate NET_RALINK_SOC
+ depends on NET_RALINK_MT7620
+
+config NET_RALINK_GSW_MT7621
+ def_tristate NET_RALINK_SOC
+ depends on NET_RALINK_MT7621
+endif
diff --git a/target/linux/ramips/files/drivers/net/ethernet/ralink/Makefile b/target/linux/ramips/files/drivers/net/ethernet/ralink/Makefile
new file mode 100644
index 0000000000..eba21643b2
--- /dev/null
+++ b/target/linux/ramips/files/drivers/net/ethernet/ralink/Makefile
@@ -0,0 +1,22 @@
+#
+# Makefile for the Ralink SoCs built-in ethernet macs
+#
+
+ralink-eth-y += mtk_eth_soc.o ethtool.o
+
+ralink-eth-$(CONFIG_NET_RALINK_MDIO) += mdio.o
+ralink-eth-$(CONFIG_NET_RALINK_MDIO_RT2880) += mdio_rt2880.o
+ralink-eth-$(CONFIG_NET_RALINK_MDIO_MT7620) += mdio_mt7620.o
+
+ralink-eth-$(CONFIG_NET_RALINK_OFFLOAD) += mtk_offload.o mtk_debugfs.o
+
+ralink-eth-$(CONFIG_NET_RALINK_RT2880) += soc_rt2880.o
+ralink-eth-$(CONFIG_NET_RALINK_RT3050) += soc_rt3050.o
+ralink-eth-$(CONFIG_NET_RALINK_RT3883) += soc_rt3883.o
+ralink-eth-$(CONFIG_NET_RALINK_MT7620) += soc_mt7620.o
+ralink-eth-$(CONFIG_NET_RALINK_MT7621) += soc_mt7621.o
+
+obj-$(CONFIG_NET_RALINK_ESW_RT3050) += esw_rt3050.o
+obj-$(CONFIG_NET_RALINK_GSW_MT7620) += gsw_mt7620.o mt7530.o
+obj-$(CONFIG_NET_RALINK_GSW_MT7621) += gsw_mt7621.o mt7530.o
+obj-$(CONFIG_NET_RALINK_SOC) += ralink-eth.o
diff --git a/target/linux/ramips/files/drivers/net/ethernet/ralink/esw_rt3050.c b/target/linux/ramips/files/drivers/net/ethernet/ralink/esw_rt3050.c
new file mode 100644
index 0000000000..292f11a170
--- /dev/null
+++ b/target/linux/ramips/files/drivers/net/ethernet/ralink/esw_rt3050.c
@@ -0,0 +1,1465 @@
+/* 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@nbd.name>
+ * Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com>
+ * Copyright (C) 2016 Vittorio Gambaletta <openwrt@vittgam.net>
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+#include <asm/mach-ralink/ralink_regs.h>
+#include <linux/of_irq.h>
+
+#include <linux/switch.h>
+
+#include "mtk_eth_soc.h"
+
+/* HW limitations for this switch:
+ * - No large frame support (PKT_MAX_LEN at most 1536)
+ * - Can't have untagged vlan and tagged vlan on one port at the same time,
+ * though this might be possible using the undocumented PPE.
+ */
+
+#define RT305X_ESW_REG_ISR 0x00
+#define RT305X_ESW_REG_IMR 0x04
+#define RT305X_ESW_REG_FCT0 0x08
+#define RT305X_ESW_REG_PFC1 0x14
+#define RT305X_ESW_REG_ATS 0x24
+#define RT305X_ESW_REG_ATS0 0x28
+#define RT305X_ESW_REG_ATS1 0x2c
+#define RT305X_ESW_REG_ATS2 0x30
+#define RT305X_ESW_REG_PVIDC(_n) (0x40 + 4 * (_n))
+#define RT305X_ESW_REG_VLANI(_n) (0x50 + 4 * (_n))
+#define RT305X_ESW_REG_VMSC(_n) (0x70 + 4 * (_n))
+#define RT305X_ESW_REG_POA 0x80
+#define RT305X_ESW_REG_FPA 0x84
+#define RT305X_ESW_REG_SOCPC 0x8c
+#define RT305X_ESW_REG_POC0 0x90
+#define RT305X_ESW_REG_POC1 0x94
+#define RT305X_ESW_REG_POC2 0x98
+#define RT305X_ESW_REG_SGC 0x9c
+#define RT305X_ESW_REG_STRT 0xa0
+#define RT305X_ESW_REG_PCR0 0xc0
+#define RT305X_ESW_REG_PCR1 0xc4
+#define RT305X_ESW_REG_FPA2 0xc8
+#define RT305X_ESW_REG_FCT2 0xcc
+#define RT305X_ESW_REG_SGC2 0xe4
+#define RT305X_ESW_REG_P0LED 0xa4
+#define RT305X_ESW_REG_P1LED 0xa8
+#define RT305X_ESW_REG_P2LED 0xac
+#define RT305X_ESW_REG_P3LED 0xb0
+#define RT305X_ESW_REG_P4LED 0xb4
+#define RT305X_ESW_REG_PXPC(_x) (0xe8 + (4 * _x))
+#define RT305X_ESW_REG_P1PC 0xec
+#define RT305X_ESW_REG_P2PC 0xf0
+#define RT305X_ESW_REG_P3PC 0xf4
+#define RT305X_ESW_REG_P4PC 0xf8
+#define RT305X_ESW_REG_P5PC 0xfc
+
+#define RT305X_ESW_LED_LINK 0
+#define RT305X_ESW_LED_100M 1
+#define RT305X_ESW_LED_DUPLEX 2
+#define RT305X_ESW_LED_ACTIVITY 3
+#define RT305X_ESW_LED_COLLISION 4
+#define RT305X_ESW_LED_LINKACT 5
+#define RT305X_ESW_LED_DUPLCOLL 6
+#define RT305X_ESW_LED_10MACT 7
+#define RT305X_ESW_LED_100MACT 8
+/* Additional led states not in datasheet: */
+#define RT305X_ESW_LED_BLINK 10
+#define RT305X_ESW_LED_ON 12
+
+#define RT305X_ESW_LINK_S 25
+#define RT305X_ESW_DUPLEX_S 9
+#define RT305X_ESW_SPD_S 0
+
+#define RT305X_ESW_PCR0_WT_NWAY_DATA_S 16
+#define RT305X_ESW_PCR0_WT_PHY_CMD BIT(13)
+#define RT305X_ESW_PCR0_CPU_PHY_REG_S 8
+
+#define RT305X_ESW_PCR1_WT_DONE BIT(0)
+
+#define RT305X_ESW_ATS_TIMEOUT (5 * HZ)
+#define RT305X_ESW_PHY_TIMEOUT (5 * HZ)
+
+#define RT305X_ESW_PVIDC_PVID_M 0xfff
+#define RT305X_ESW_PVIDC_PVID_S 12
+
+#define RT305X_ESW_VLANI_VID_M 0xfff
+#define RT305X_ESW_VLANI_VID_S 12
+
+#define RT305X_ESW_VMSC_MSC_M 0xff
+#define RT305X_ESW_VMSC_MSC_S 8
+
+#define RT305X_ESW_SOCPC_DISUN2CPU_S 0
+#define RT305X_ESW_SOCPC_DISMC2CPU_S 8
+#define RT305X_ESW_SOCPC_DISBC2CPU_S 16
+#define RT305X_ESW_SOCPC_CRC_PADDING BIT(25)
+
+#define RT305X_ESW_POC0_EN_BP_S 0
+#define RT305X_ESW_POC0_EN_FC_S 8
+#define RT305X_ESW_POC0_DIS_RMC2CPU_S 16
+#define RT305X_ESW_POC0_DIS_PORT_M 0x7f
+#define RT305X_ESW_POC0_DIS_PORT_S 23
+
+#define RT305X_ESW_POC2_UNTAG_EN_M 0xff
+#define RT305X_ESW_POC2_UNTAG_EN_S 0
+#define RT305X_ESW_POC2_ENAGING_S 8
+#define RT305X_ESW_POC2_DIS_UC_PAUSE_S 16
+
+#define RT305X_ESW_SGC2_DOUBLE_TAG_M 0x7f
+#define RT305X_ESW_SGC2_DOUBLE_TAG_S 0
+#define RT305X_ESW_SGC2_LAN_PMAP_M 0x3f
+#define RT305X_ESW_SGC2_LAN_PMAP_S 24
+
+#define RT305X_ESW_PFC1_EN_VLAN_M 0xff
+#define RT305X_ESW_PFC1_EN_VLAN_S 16
+#define RT305X_ESW_PFC1_EN_TOS_S 24
+
+#define RT305X_ESW_VLAN_NONE 0xfff
+
+#define RT305X_ESW_GSC_BC_STROM_MASK 0x3
+#define RT305X_ESW_GSC_BC_STROM_SHIFT 4
+
+#define RT305X_ESW_GSC_LED_FREQ_MASK 0x3
+#define RT305X_ESW_GSC_LED_FREQ_SHIFT 23
+
+#define RT305X_ESW_POA_LINK_MASK 0x1f
+#define RT305X_ESW_POA_LINK_SHIFT 25
+
+#define RT305X_ESW_PORT_ST_CHG BIT(26)
+#define RT305X_ESW_PORT0 0
+#define RT305X_ESW_PORT1 1
+#define RT305X_ESW_PORT2 2
+#define RT305X_ESW_PORT3 3
+#define RT305X_ESW_PORT4 4
+#define RT305X_ESW_PORT5 5
+#define RT305X_ESW_PORT6 6
+
+#define RT305X_ESW_PORTS_NONE 0
+
+#define RT305X_ESW_PMAP_LLLLLL 0x3f
+#define RT305X_ESW_PMAP_LLLLWL 0x2f
+#define RT305X_ESW_PMAP_WLLLLL 0x3e
+
+#define RT305X_ESW_PORTS_INTERNAL \
+ (BIT(RT305X_ESW_PORT0) | BIT(RT305X_ESW_PORT1) | \
+ BIT(RT305X_ESW_PORT2) | BIT(RT305X_ESW_PORT3) | \
+ BIT(RT305X_ESW_PORT4))
+
+#define RT305X_ESW_PORTS_NOCPU \
+ (RT305X_ESW_PORTS_INTERNAL | BIT(RT305X_ESW_PORT5))
+
+#define RT305X_ESW_PORTS_CPU BIT(RT305X_ESW_PORT6)
+
+#define RT305X_ESW_PORTS_ALL \
+ (RT305X_ESW_PORTS_NOCPU | RT305X_ESW_PORTS_CPU)
+
+#define RT305X_ESW_NUM_VLANS 16
+#define RT305X_ESW_NUM_VIDS 4096
+#define RT305X_ESW_NUM_PORTS 7
+#define RT305X_ESW_NUM_LANWAN 6
+#define RT305X_ESW_NUM_LEDS 5
+
+#define RT5350_ESW_REG_PXTPC(_x) (0x150 + (4 * _x))
+#define RT5350_EWS_REG_LED_POLARITY 0x168
+#define RT5350_RESET_EPHY BIT(24)
+
+enum {
+ /* Global attributes. */
+ RT305X_ESW_ATTR_ENABLE_VLAN,
+ RT305X_ESW_ATTR_ALT_VLAN_DISABLE,
+ RT305X_ESW_ATTR_BC_STATUS,
+ RT305X_ESW_ATTR_LED_FREQ,
+ /* Port attributes. */
+ RT305X_ESW_ATTR_PORT_DISABLE,
+ RT305X_ESW_ATTR_PORT_DOUBLETAG,
+ RT305X_ESW_ATTR_PORT_UNTAG,
+ RT305X_ESW_ATTR_PORT_LED,
+ RT305X_ESW_ATTR_PORT_LAN,
+ RT305X_ESW_ATTR_PORT_RECV_BAD,
+ RT305X_ESW_ATTR_PORT_RECV_GOOD,
+ RT5350_ESW_ATTR_PORT_TR_BAD,
+ RT5350_ESW_ATTR_PORT_TR_GOOD,
+};
+
+struct esw_port {
+ bool disable;
+ bool doubletag;
+ bool untag;
+ u8 led;
+ u16 pvid;
+};
+
+struct esw_vlan {
+ u8 ports;
+ u16 vid;
+};
+
+enum {
+ RT305X_ESW_VLAN_CONFIG_NONE = 0,
+ RT305X_ESW_VLAN_CONFIG_LLLLW,
+ RT305X_ESW_VLAN_CONFIG_WLLLL,
+};
+
+struct rt305x_esw {
+ struct device *dev;
+ void __iomem *base;
+ int irq;
+
+ /* Protects against concurrent register r/w operations. */
+ spinlock_t reg_rw_lock;
+
+ unsigned char port_map;
+ unsigned char port_disable;
+ unsigned int reg_initval_fct2;
+ unsigned int reg_initval_fpa2;
+ unsigned int reg_led_polarity;
+
+ struct switch_dev swdev;
+ bool global_vlan_enable;
+ bool alt_vlan_disable;
+ int bc_storm_protect;
+ int led_frequency;
+ struct esw_vlan vlans[RT305X_ESW_NUM_VLANS];
+ struct esw_port ports[RT305X_ESW_NUM_PORTS];
+
+};
+
+static inline void esw_w32(struct rt305x_esw *esw, u32 val, unsigned reg)
+{
+ __raw_writel(val, esw->base + reg);
+}
+
+static inline u32 esw_r32(struct rt305x_esw *esw, unsigned reg)
+{
+ return __raw_readl(esw->base + reg);
+}
+
+static inline void esw_rmw_raw(struct rt305x_esw *esw, unsigned reg,
+ unsigned long mask, unsigned long val)
+{
+ unsigned long t;
+
+ t = __raw_readl(esw->base + reg) & ~mask;
+ __raw_writel(t | val, esw->base + reg);
+}
+
+static void esw_rmw(struct rt305x_esw *esw, unsigned reg,
+ unsigned long mask, unsigned long val)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&esw->reg_rw_lock, flags);
+ esw_rmw_raw(esw, reg, mask, val);
+ spin_unlock_irqrestore(&esw->reg_rw_lock, flags);
+}
+
+static u32 rt305x_mii_write(struct rt305x_esw *esw, u32 phy_addr,
+ u32 phy_register, u32 write_data)
+{
+ unsigned long t_start = jiffies;
+ int ret = 0;
+
+ while (1) {
+ if (!(esw_r32(esw, RT305X_ESW_REG_PCR1) &
+ RT305X_ESW_PCR1_WT_DONE))
+ break;
+ if (time_after(jiffies, t_start + RT305X_ESW_PHY_TIMEOUT)) {
+ ret = 1;
+ goto out;
+ }
+ }
+
+ write_data &= 0xffff;
+ esw_w32(esw, (write_data << RT305X_ESW_PCR0_WT_NWAY_DATA_S) |
+ (phy_register << RT305X_ESW_PCR0_CPU_PHY_REG_S) |
+ (phy_addr) | RT305X_ESW_PCR0_WT_PHY_CMD,
+ RT305X_ESW_REG_PCR0);
+
+ t_start = jiffies;
+ while (1) {
+ if (esw_r32(esw, RT305X_ESW_REG_PCR1) &
+ RT305X_ESW_PCR1_WT_DONE)
+ break;
+
+ if (time_after(jiffies, t_start + RT305X_ESW_PHY_TIMEOUT)) {
+ ret = 1;
+ break;
+ }
+ }
+out:
+ if (ret)
+ dev_err(esw->dev, "ramips_eth: MDIO timeout\n");
+ return ret;
+}
+
+static unsigned esw_get_vlan_id(struct rt305x_esw *esw, unsigned vlan)
+{
+ unsigned s;
+ unsigned val;
+
+ s = RT305X_ESW_VLANI_VID_S * (vlan % 2);
+ val = esw_r32(esw, RT305X_ESW_REG_VLANI(vlan / 2));
+ val = (val >> s) & RT305X_ESW_VLANI_VID_M;
+
+ return val;
+}
+
+static void esw_set_vlan_id(struct rt305x_esw *esw, unsigned vlan, unsigned vid)
+{
+ unsigned s;
+
+ s = RT305X_ESW_VLANI_VID_S * (vlan % 2);
+ esw_rmw(esw,
+ RT305X_ESW_REG_VLANI(vlan / 2),
+ RT305X_ESW_VLANI_VID_M << s,
+ (vid & RT305X_ESW_VLANI_VID_M) << s);
+}
+
+static unsigned esw_get_pvid(struct rt305x_esw *esw, unsigned port)
+{
+ unsigned s, val;
+
+ s = RT305X_ESW_PVIDC_PVID_S * (port % 2);
+ val = esw_r32(esw, RT305X_ESW_REG_PVIDC(port / 2));
+ return (val >> s) & RT305X_ESW_PVIDC_PVID_M;
+}
+
+static void esw_set_pvid(struct rt305x_esw *esw, unsigned port, unsigned pvid)
+{
+ unsigned s;
+
+ s = RT305X_ESW_PVIDC_PVID_S * (port % 2);
+ esw_rmw(esw,
+ RT305X_ESW_REG_PVIDC(port / 2),
+ RT305X_ESW_PVIDC_PVID_M << s,
+ (pvid & RT305X_ESW_PVIDC_PVID_M) << s);
+}
+
+static unsigned esw_get_vmsc(struct rt305x_esw *esw, unsigned vlan)
+{
+ unsigned s, val;
+
+ s = RT305X_ESW_VMSC_MSC_S * (vlan % 4);
+ val = esw_r32(esw, RT305X_ESW_REG_VMSC(vlan / 4));
+ val = (val >> s) & RT305X_ESW_VMSC_MSC_M;
+
+ return val;
+}
+
+static void esw_set_vmsc(struct rt305x_esw *esw, unsigned vlan, unsigned msc)
+{
+ unsigned s;
+
+ s = RT305X_ESW_VMSC_MSC_S * (vlan % 4);
+ esw_rmw(esw,
+ RT305X_ESW_REG_VMSC(vlan / 4),
+ RT305X_ESW_VMSC_MSC_M << s,
+ (msc & RT305X_ESW_VMSC_MSC_M) << s);
+}
+
+static unsigned esw_get_port_disable(struct rt305x_esw *esw)
+{
+ unsigned reg;
+
+ reg = esw_r32(esw, RT305X_ESW_REG_POC0);
+ return (reg >> RT305X_ESW_POC0_DIS_PORT_S) &
+ RT305X_ESW_POC0_DIS_PORT_M;
+}
+
+static void esw_set_port_disable(struct rt305x_esw *esw, unsigned disable_mask)
+{
+ unsigned old_mask;
+ unsigned enable_mask;
+ unsigned changed;
+ int i;
+
+ old_mask = esw_get_port_disable(esw);
+ changed = old_mask ^ disable_mask;
+ enable_mask = old_mask & disable_mask;
+
+ /* enable before writing to MII */
+ esw_rmw(esw, RT305X_ESW_REG_POC0,
+ (RT305X_ESW_POC0_DIS_PORT_M <<
+ RT305X_ESW_POC0_DIS_PORT_S),
+ enable_mask << RT305X_ESW_POC0_DIS_PORT_S);
+
+ for (i = 0; i < RT305X_ESW_NUM_LEDS; i++) {
+ if (!(changed & (1 << i)))
+ continue;
+ if (disable_mask & (1 << i)) {
+ /* disable */
+ rt305x_mii_write(esw, i, MII_BMCR,
+ BMCR_PDOWN);
+ } else {
+ /* enable */
+ rt305x_mii_write(esw, i, MII_BMCR,
+ BMCR_FULLDPLX |
+ BMCR_ANENABLE |
+ BMCR_ANRESTART |
+ BMCR_SPEED100);
+ }
+ }
+
+ /* disable after writing to MII */
+ esw_rmw(esw, RT305X_ESW_REG_POC0,
+ (RT305X_ESW_POC0_DIS_PORT_M <<
+ RT305X_ESW_POC0_DIS_PORT_S),
+ disable_mask << RT305X_ESW_POC0_DIS_PORT_S);
+}
+
+static void esw_set_gsc(struct rt305x_esw *esw)
+{
+ esw_rmw(esw, RT305X_ESW_REG_SGC,
+ RT305X_ESW_GSC_BC_STROM_MASK << RT305X_ESW_GSC_BC_STROM_SHIFT,
+ esw->bc_storm_protect << RT305X_ESW_GSC_BC_STROM_SHIFT);
+ esw_rmw(esw, RT305X_ESW_REG_SGC,
+ RT305X_ESW_GSC_LED_FREQ_MASK << RT305X_ESW_GSC_LED_FREQ_SHIFT,
+ esw->led_frequency << RT305X_ESW_GSC_LED_FREQ_SHIFT);
+}
+
+static int esw_apply_config(struct switch_dev *dev);
+
+static void esw_hw_init(struct rt305x_esw *esw)
+{
+ int i;
+ u8 port_disable = 0;
+ u8 port_map = RT305X_ESW_PMAP_LLLLLL;
+
+ /* vodoo from original driver */
+ esw_w32(esw, 0xC8A07850, RT305X_ESW_REG_FCT0);
+ esw_w32(esw, 0x00000000, RT305X_ESW_REG_SGC2);
+ /* Port priority 1 for all ports, vlan enabled. */
+ esw_w32(esw, 0x00005555 |
+ (RT305X_ESW_PORTS_ALL << RT305X_ESW_PFC1_EN_VLAN_S),
+ RT305X_ESW_REG_PFC1);
+
+ /* Enable all ports, Back Pressure and Flow Control */
+ esw_w32(esw, ((RT305X_ESW_PORTS_ALL << RT305X_ESW_POC0_EN_BP_S) |
+ (RT305X_ESW_PORTS_ALL << RT305X_ESW_POC0_EN_FC_S)),
+ RT305X_ESW_REG_POC0);
+
+ /* Enable Aging, and VLAN TAG removal */
+ esw_w32(esw, ((RT305X_ESW_PORTS_ALL << RT305X_ESW_POC2_ENAGING_S) |
+ (RT305X_ESW_PORTS_NOCPU << RT305X_ESW_POC2_UNTAG_EN_S)),
+ RT305X_ESW_REG_POC2);
+
+ if (esw->reg_initval_fct2)
+ esw_w32(esw, esw->reg_initval_fct2, RT305X_ESW_REG_FCT2);
+ else
+ esw_w32(esw, 0x0002500c, RT305X_ESW_REG_FCT2);
+
+ /* 300s aging timer, max packet len 1536, broadcast storm prevention
+ * disabled, disable collision abort, mac xor48 hash, 10 packet back
+ * pressure jam, GMII disable was_transmit, back pressure disabled,
+ * 30ms led flash, unmatched IGMP as broadcast, rmc tb fault to all
+ * ports.
+ */
+ esw_w32(esw, 0x0008a301, RT305X_ESW_REG_SGC);
+
+ /* Setup SoC Port control register */
+ esw_w32(esw,
+ (RT305X_ESW_SOCPC_CRC_PADDING |
+ (RT305X_ESW_PORTS_CPU << RT305X_ESW_SOCPC_DISUN2CPU_S) |
+ (RT305X_ESW_PORTS_CPU << RT305X_ESW_SOCPC_DISMC2CPU_S) |
+ (RT305X_ESW_PORTS_CPU << RT305X_ESW_SOCPC_DISBC2CPU_S)),
+ RT305X_ESW_REG_SOCPC);
+
+ /* ext phy base addr 31, enable port 5 polling, rx/tx clock skew 1,
+ * turbo mii off, rgmi 3.3v off
+ * port5: disabled
+ * port6: enabled, gige, full-duplex, rx/tx-flow-control
+ */
+ if (esw->reg_initval_fpa2)
+ esw_w32(esw, esw->reg_initval_fpa2, RT305X_ESW_REG_FPA2);
+ else
+ esw_w32(esw, 0x3f502b28, RT305X_ESW_REG_FPA2);
+ esw_w32(esw, 0x00000000, RT305X_ESW_REG_FPA);
+
+ /* Force Link/Activity on ports */
+ esw_w32(esw, 0x00000005, RT305X_ESW_REG_P0LED);
+ esw_w32(esw, 0x00000005, RT305X_ESW_REG_P1LED);
+ esw_w32(esw, 0x00000005, RT305X_ESW_REG_P2LED);
+ esw_w32(esw, 0x00000005, RT305X_ESW_REG_P3LED);
+ esw_w32(esw, 0x00000005, RT305X_ESW_REG_P4LED);
+
+ /* Copy disabled port configuration from device tree setup */
+ port_disable = esw->port_disable;
+
+ /* Disable nonexistent ports by reading the switch config
+ * after having enabled all possible ports above
+ */
+ port_disable |= esw_get_port_disable(esw);
+
+ for (i = 0; i < 6; i++)
+ esw->ports[i].disable = (port_disable & (1 << i)) != 0;
+
+ if (ralink_soc == RT305X_SOC_RT3352) {
+ /* reset EPHY */
+ fe_reset(RT5350_RESET_EPHY);
+
+ rt305x_mii_write(esw, 0, 31, 0x8000);
+ for (i = 0; i < 5; i++) {
+ if (esw->ports[i].disable) {
+ rt305x_mii_write(esw, i, MII_BMCR, BMCR_PDOWN);
+ } else {
+ rt305x_mii_write(esw, i, MII_BMCR,
+ BMCR_FULLDPLX |
+ BMCR_ANENABLE |
+ BMCR_SPEED100);
+ }
+ /* TX10 waveform coefficient LSB=0 disable PHY */
+ rt305x_mii_write(esw, i, 26, 0x1601);
+ /* TX100/TX10 AD/DA current bias */
+ rt305x_mii_write(esw, i, 29, 0x7016);
+ /* TX100 slew rate control */
+ rt305x_mii_write(esw, i, 30, 0x0038);
+ }
+
+ /* select global register */
+ rt305x_mii_write(esw, 0, 31, 0x0);
+ /* enlarge agcsel threshold 3 and threshold 2 */
+ rt305x_mii_write(esw, 0, 1, 0x4a40);
+ /* enlarge agcsel threshold 5 and threshold 4 */
+ rt305x_mii_write(esw, 0, 2, 0x6254);
+ /* enlarge agcsel threshold */
+ rt305x_mii_write(esw, 0, 3, 0xa17f);
+ rt305x_mii_write(esw, 0, 12, 0x7eaa);
+ /* longer TP_IDL tail length */
+ rt305x_mii_write(esw, 0, 14, 0x65);
+ /* increased squelch pulse count threshold. */
+ rt305x_mii_write(esw, 0, 16, 0x0684);
+ /* set TX10 signal amplitude threshold to minimum */
+ rt305x_mii_write(esw, 0, 17, 0x0fe0);
+ /* set squelch amplitude to higher threshold */
+ rt305x_mii_write(esw, 0, 18, 0x40ba);
+ /* tune TP_IDL tail and head waveform, enable power
+ * down slew rate control
+ */
+ rt305x_mii_write(esw, 0, 22, 0x253f);
+ /* set PLL/Receive bias current are calibrated */
+ rt305x_mii_write(esw, 0, 27, 0x2fda);
+ /* change PLL/Receive bias current to internal(RT3350) */
+ rt305x_mii_write(esw, 0, 28, 0xc410);
+ /* change PLL bias current to internal(RT3052_MP3) */
+ rt305x_mii_write(esw, 0, 29, 0x598b);
+ /* select local register */
+ rt305x_mii_write(esw, 0, 31, 0x8000);
+ } else if (ralink_soc == RT305X_SOC_RT5350) {
+ /* reset EPHY */
+ fe_reset(RT5350_RESET_EPHY);
+
+ /* set the led polarity */
+ esw_w32(esw, esw->reg_led_polarity & 0x1F,
+ RT5350_EWS_REG_LED_POLARITY);
+
+ /* local registers */
+ rt305x_mii_write(esw, 0, 31, 0x8000);
+ for (i = 0; i < 5; i++) {
+ if (esw->ports[i].disable) {
+ rt305x_mii_write(esw, i, MII_BMCR, BMCR_PDOWN);
+ } else {
+ rt305x_mii_write(esw, i, MII_BMCR,
+ BMCR_FULLDPLX |
+ BMCR_ANENABLE |
+ BMCR_SPEED100);
+ }
+ /* TX10 waveform coefficient LSB=0 disable PHY */
+ rt305x_mii_write(esw, i, 26, 0x1601);
+ /* TX100/TX10 AD/DA current bias */
+ rt305x_mii_write(esw, i, 29, 0x7015);
+ /* TX100 slew rate control */
+ rt305x_mii_write(esw, i, 30, 0x0038);
+ }
+
+ /* global registers */
+ rt305x_mii_write(esw, 0, 31, 0x0);
+ /* enlarge agcsel threshold 3 and threshold 2 */
+ rt305x_mii_write(esw, 0, 1, 0x4a40);
+ /* enlarge agcsel threshold 5 and threshold 4 */
+ rt305x_mii_write(esw, 0, 2, 0x6254);
+ /* enlarge agcsel threshold 6 */
+ rt305x_mii_write(esw, 0, 3, 0xa17f);
+ rt305x_mii_write(esw, 0, 12, 0x7eaa);
+ /* longer TP_IDL tail length */
+ rt305x_mii_write(esw, 0, 14, 0x65);
+ /* increased squelch pulse count threshold. */
+ rt305x_mii_write(esw, 0, 16, 0x0684);
+ /* set TX10 signal amplitude threshold to minimum */
+ rt305x_mii_write(esw, 0, 17, 0x0fe0);
+ /* set squelch amplitude to higher threshold */
+ rt305x_mii_write(esw, 0, 18, 0x40ba);
+ /* tune TP_IDL tail and head waveform, enable power
+ * down slew rate control
+ */
+ rt305x_mii_write(esw, 0, 22, 0x253f);
+ /* set PLL/Receive bias current are calibrated */
+ rt305x_mii_write(esw, 0, 27, 0x2fda);
+ /* change PLL/Receive bias current to internal(RT3350) */
+ rt305x_mii_write(esw, 0, 28, 0xc410);
+ /* change PLL bias current to internal(RT3052_MP3) */
+ rt305x_mii_write(esw, 0, 29, 0x598b);
+ /* select local register */
+ rt305x_mii_write(esw, 0, 31, 0x8000);
+ } else if (ralink_soc == MT762X_SOC_MT7628AN || ralink_soc == MT762X_SOC_MT7688) {
+ int i;
+
+ /* reset EPHY */
+ fe_reset(RT5350_RESET_EPHY);
+
+ /* set the led polarity */
+ esw_w32(esw, esw->reg_led_polarity & 0x1F,
+ RT5350_EWS_REG_LED_POLARITY);
+
+ rt305x_mii_write(esw, 0, 31, 0x2000); /* change G2 page */
+ rt305x_mii_write(esw, 0, 26, 0x0020);
+
+ for (i = 0; i < 5; i++) {
+ rt305x_mii_write(esw, i, 31, 0x8000);
+ rt305x_mii_write(esw, i, 0, 0x3100);
+ rt305x_mii_write(esw, i, 30, 0xa000);
+ rt305x_mii_write(esw, i, 31, 0xa000);
+ rt305x_mii_write(esw, i, 16, 0x0606);
+ rt305x_mii_write(esw, i, 23, 0x0f0e);
+ rt305x_mii_write(esw, i, 24, 0x1610);
+ rt305x_mii_write(esw, i, 30, 0x1f15);
+ rt305x_mii_write(esw, i, 28, 0x6111);
+ rt305x_mii_write(esw, i, 31, 0x2000);
+ rt305x_mii_write(esw, i, 26, 0x0000);
+ }
+
+ /* 100Base AOI setting */
+ rt305x_mii_write(esw, 0, 31, 0x5000);
+ rt305x_mii_write(esw, 0, 19, 0x004a);
+ rt305x_mii_write(esw, 0, 20, 0x015a);
+ rt305x_mii_write(esw, 0, 21, 0x00ee);
+ rt305x_mii_write(esw, 0, 22, 0x0033);
+ rt305x_mii_write(esw, 0, 23, 0x020a);
+ rt305x_mii_write(esw, 0, 24, 0x0000);
+ rt305x_mii_write(esw, 0, 25, 0x024a);
+ rt305x_mii_write(esw, 0, 26, 0x035a);
+ rt305x_mii_write(esw, 0, 27, 0x02ee);
+ rt305x_mii_write(esw, 0, 28, 0x0233);
+ rt305x_mii_write(esw, 0, 29, 0x000a);
+ rt305x_mii_write(esw, 0, 30, 0x0000);
+ } else {
+ rt305x_mii_write(esw, 0, 31, 0x8000);
+ for (i = 0; i < 5; i++) {
+ if (esw->ports[i].disable) {
+ rt305x_mii_write(esw, i, MII_BMCR, BMCR_PDOWN);
+ } else {
+ rt305x_mii_write(esw, i, MII_BMCR,
+ BMCR_FULLDPLX |
+ BMCR_ANENABLE |
+ BMCR_SPEED100);
+ }
+ /* TX10 waveform coefficient */
+ rt305x_mii_write(esw, i, 26, 0x1601);
+ /* TX100/TX10 AD/DA current bias */
+ rt305x_mii_write(esw, i, 29, 0x7058);
+ /* TX100 slew rate control */
+ rt305x_mii_write(esw, i, 30, 0x0018);
+ }
+
+ /* PHY IOT */
+ /* select global register */
+ rt305x_mii_write(esw, 0, 31, 0x0);
+ /* tune TP_IDL tail and head waveform */
+ rt305x_mii_write(esw, 0, 22, 0x052f);
+ /* set TX10 signal amplitude threshold to minimum */
+ rt305x_mii_write(esw, 0, 17, 0x0fe0);
+ /* set squelch amplitude to higher threshold */
+ rt305x_mii_write(esw, 0, 18, 0x40ba);
+ /* longer TP_IDL tail length */
+ rt305x_mii_write(esw, 0, 14, 0x65);
+ /* select local register */
+ rt305x_mii_write(esw, 0, 31, 0x8000);
+ }
+
+ if (esw->port_map)
+ port_map = esw->port_map;
+ else
+ port_map = RT305X_ESW_PMAP_LLLLLL;
+
+ /* Unused HW feature, but still nice to be consistent here...
+ * This is also exported to userspace ('lan' attribute) so it's
+ * conveniently usable to decide which ports go into the wan vlan by
+ * default.
+ */
+ esw_rmw(esw, RT305X_ESW_REG_SGC2,
+ RT305X_ESW_SGC2_LAN_PMAP_M << RT305X_ESW_SGC2_LAN_PMAP_S,
+ port_map << RT305X_ESW_SGC2_LAN_PMAP_S);
+
+ /* make the switch leds blink */
+ for (i = 0; i < RT305X_ESW_NUM_LEDS; i++)
+ esw->ports[i].led = 0x05;
+
+ /* Apply the empty config. */
+ esw_apply_config(&esw->swdev);
+
+ /* Only unmask the port change interrupt */
+ esw_w32(esw, ~RT305X_ESW_PORT_ST_CHG, RT305X_ESW_REG_IMR);
+}
+
+static irqreturn_t esw_interrupt(int irq, void *_esw)
+{
+ struct rt305x_esw *esw = (struct rt305x_esw *)_esw;
+ u32 status;
+
+ status = esw_r32(esw, RT305X_ESW_REG_ISR);
+ if (status & RT305X_ESW_PORT_ST_CHG) {
+ u32 link = esw_r32(esw, RT305X_ESW_REG_POA);
+
+ link >>= RT305X_ESW_POA_LINK_SHIFT;
+ link &= RT305X_ESW_POA_LINK_MASK;
+ dev_info(esw->dev, "link changed 0x%02X\n", link);
+ }
+ esw_w32(esw, status, RT305X_ESW_REG_ISR);
+
+ return IRQ_HANDLED;
+}
+
+static int esw_apply_config(struct switch_dev *dev)
+{
+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
+ int i;
+ u8 disable = 0;
+ u8 doubletag = 0;
+ u8 en_vlan = 0;
+ u8 untag = 0;
+
+ for (i = 0; i < RT305X_ESW_NUM_VLANS; i++) {
+ u32 vid, vmsc;
+ if (esw->global_vlan_enable) {
+ vid = esw->vlans[i].vid;
+ vmsc = esw->vlans[i].ports;
+ } else {
+ vid = RT305X_ESW_VLAN_NONE;
+ vmsc = RT305X_ESW_PORTS_NONE;
+ }
+ esw_set_vlan_id(esw, i, vid);
+ esw_set_vmsc(esw, i, vmsc);
+ }
+
+ for (i = 0; i < RT305X_ESW_NUM_PORTS; i++) {
+ u32 pvid;
+ disable |= esw->ports[i].disable << i;
+ if (esw->global_vlan_enable) {
+ doubletag |= esw->ports[i].doubletag << i;
+ en_vlan |= 1 << i;
+ untag |= esw->ports[i].untag << i;
+ pvid = esw->ports[i].pvid;
+ } else {
+ int x = esw->alt_vlan_disable ? 0 : 1;
+ doubletag |= x << i;
+ en_vlan |= x << i;
+ untag |= x << i;
+ pvid = 0;
+ }
+ esw_set_pvid(esw, i, pvid);
+ if (i < RT305X_ESW_NUM_LEDS)
+ esw_w32(esw, esw->ports[i].led,
+ RT305X_ESW_REG_P0LED + 4*i);
+ }
+
+ esw_set_gsc(esw);
+ esw_set_port_disable(esw, disable);
+ esw_rmw(esw, RT305X_ESW_REG_SGC2,
+ (RT305X_ESW_SGC2_DOUBLE_TAG_M <<
+ RT305X_ESW_SGC2_DOUBLE_TAG_S),
+ doubletag << RT305X_ESW_SGC2_DOUBLE_TAG_S);
+ esw_rmw(esw, RT305X_ESW_REG_PFC1,
+ RT305X_ESW_PFC1_EN_VLAN_M << RT305X_ESW_PFC1_EN_VLAN_S,
+ en_vlan << RT305X_ESW_PFC1_EN_VLAN_S);
+ esw_rmw(esw, RT305X_ESW_REG_POC2,
+ RT305X_ESW_POC2_UNTAG_EN_M << RT305X_ESW_POC2_UNTAG_EN_S,
+ untag << RT305X_ESW_POC2_UNTAG_EN_S);
+
+ if (!esw->global_vlan_enable) {
+ /*
+ * Still need to put all ports into vlan 0 or they'll be
+ * isolated.
+ * NOTE: vlan 0 is special, no vlan tag is prepended
+ */
+ esw_set_vlan_id(esw, 0, 0);
+ esw_set_vmsc(esw, 0, RT305X_ESW_PORTS_ALL);
+ }
+
+ return 0;
+}
+
+static int esw_reset_switch(struct switch_dev *dev)
+{
+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
+
+ esw->global_vlan_enable = 0;
+ memset(esw->ports, 0, sizeof(esw->ports));
+ memset(esw->vlans, 0, sizeof(esw->vlans));
+ esw_hw_init(esw);
+
+ return 0;
+}
+
+static int esw_get_vlan_enable(struct switch_dev *dev,
+ const struct switch_attr *attr,
+ struct switch_val *val)
+{
+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
+
+ val->value.i = esw->global_vlan_enable;
+
+ return 0;
+}
+
+static int esw_set_vlan_enable(struct switch_dev *dev,
+ const struct switch_attr *attr,
+ struct switch_val *val)
+{
+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
+
+ esw->global_vlan_enable = val->value.i != 0;
+
+ return 0;
+}
+
+static int esw_get_alt_vlan_disable(struct switch_dev *dev,
+ const struct switch_attr *attr,
+ struct switch_val *val)
+{
+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
+
+ val->value.i = esw->alt_vlan_disable;
+
+ return 0;
+}
+
+static int esw_set_alt_vlan_disable(struct switch_dev *dev,
+ const struct switch_attr *attr,
+ struct switch_val *val)
+{
+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
+
+ esw->alt_vlan_disable = val->value.i != 0;
+
+ return 0;
+}
+
+static int
+rt305x_esw_set_bc_status(struct switch_dev *dev,
+ const struct switch_attr *attr,
+ struct switch_val *val)
+{
+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
+
+ esw->bc_storm_protect = val->value.i & RT305X_ESW_GSC_BC_STROM_MASK;
+
+ return 0;
+}
+
+static int
+rt305x_esw_get_bc_status(struct switch_dev *dev,
+ const struct switch_attr *attr,
+ struct switch_val *val)
+{
+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
+
+ val->value.i = esw->bc_storm_protect;
+
+ return 0;
+}
+
+static int
+rt305x_esw_set_led_freq(struct switch_dev *dev,
+ const struct switch_attr *attr,
+ struct switch_val *val)
+{
+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
+
+ esw->led_frequency = val->value.i & RT305X_ESW_GSC_LED_FREQ_MASK;
+
+ return 0;
+}
+
+static int
+rt305x_esw_get_led_freq(struct switch_dev *dev,
+ const struct switch_attr *attr,
+ struct switch_val *val)
+{
+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
+
+ val->value.i = esw->led_frequency;
+
+ return 0;
+}
+
+static int esw_get_port_link(struct switch_dev *dev,
+ int port,
+ struct switch_port_link *link)
+{
+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
+ u32 speed, poa;
+
+ if (port < 0 || port >= RT305X_ESW_NUM_PORTS)
+ return -EINVAL;
+
+ poa = esw_r32(esw, RT305X_ESW_REG_POA) >> port;
+
+ link->link = (poa >> RT305X_ESW_LINK_S) & 1;
+ link->duplex = (poa >> RT305X_ESW_DUPLEX_S) & 1;
+ if (port < RT305X_ESW_NUM_LEDS) {
+ speed = (poa >> RT305X_ESW_SPD_S) & 1;
+ } else {
+ if (port == RT305X_ESW_NUM_PORTS - 1)
+ poa >>= 1;
+ speed = (poa >> RT305X_ESW_SPD_S) & 3;
+ }
+ switch (speed) {
+ case 0:
+ link->speed = SWITCH_PORT_SPEED_10;
+ break;
+ case 1:
+ link->speed = SWITCH_PORT_SPEED_100;
+ break;
+ case 2:
+ case 3: /* forced gige speed can be 2 or 3 */
+ link->speed = SWITCH_PORT_SPEED_1000;
+ break;
+ default:
+ link->speed = SWITCH_PORT_SPEED_UNKNOWN;
+ break;
+ }
+
+ return 0;
+}
+
+static int esw_get_port_bool(struct switch_dev *dev,
+ const struct switch_attr *attr,
+ struct switch_val *val)
+{
+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
+ int idx = val->port_vlan;
+ u32 x, reg, shift;
+
+ if (idx < 0 || idx >= RT305X_ESW_NUM_PORTS)
+ return -EINVAL;
+
+ switch (attr->id) {
+ case RT305X_ESW_ATTR_PORT_DISABLE:
+ reg = RT305X_ESW_REG_POC0;
+ shift = RT305X_ESW_POC0_DIS_PORT_S;
+ break;
+ case RT305X_ESW_ATTR_PORT_DOUBLETAG:
+ reg = RT305X_ESW_REG_SGC2;
+ shift = RT305X_ESW_SGC2_DOUBLE_TAG_S;
+ break;
+ case RT305X_ESW_ATTR_PORT_UNTAG:
+ reg = RT305X_ESW_REG_POC2;
+ shift = RT305X_ESW_POC2_UNTAG_EN_S;
+ break;
+ case RT305X_ESW_ATTR_PORT_LAN:
+ reg = RT305X_ESW_REG_SGC2;
+ shift = RT305X_ESW_SGC2_LAN_PMAP_S;
+ if (idx >= RT305X_ESW_NUM_LANWAN)
+ return -EINVAL;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ x = esw_r32(esw, reg);
+ val->value.i = (x >> (idx + shift)) & 1;
+
+ return 0;
+}
+
+static int esw_set_port_bool(struct switch_dev *dev,
+ const struct switch_attr *attr,
+ struct switch_val *val)
+{
+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
+ int idx = val->port_vlan;
+
+ if (idx < 0 || idx >= RT305X_ESW_NUM_PORTS ||
+ val->value.i < 0 || val->value.i > 1)
+ return -EINVAL;
+
+ switch (attr->id) {
+ case RT305X_ESW_ATTR_PORT_DISABLE:
+ esw->ports[idx].disable = val->value.i;
+ break;
+ case RT305X_ESW_ATTR_PORT_DOUBLETAG:
+ esw->ports[idx].doubletag = val->value.i;
+ break;
+ case RT305X_ESW_ATTR_PORT_UNTAG:
+ esw->ports[idx].untag = val->value.i;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int esw_get_port_recv_badgood(struct switch_dev *dev,
+ const struct switch_attr *attr,
+ struct switch_val *val)
+{
+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
+ int idx = val->port_vlan;
+ int shift = attr->id == RT305X_ESW_ATTR_PORT_RECV_GOOD ? 0 : 16;
+ u32 reg;
+
+ if (idx < 0 || idx >= RT305X_ESW_NUM_LANWAN)
+ return -EINVAL;
+ reg = esw_r32(esw, RT305X_ESW_REG_PXPC(idx));
+ val->value.i = (reg >> shift) & 0xffff;
+
+ return 0;
+}
+
+static int
+esw_get_port_tr_badgood(struct switch_dev *dev,
+ const struct switch_attr *attr,
+ struct switch_val *val)
+{
+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
+
+ int idx = val->port_vlan;
+ int shift = attr->id == RT5350_ESW_ATTR_PORT_TR_GOOD ? 0 : 16;
+ u32 reg;
+
+ if ((ralink_soc != RT305X_SOC_RT5350) && (ralink_soc != MT762X_SOC_MT7628AN) && (ralink_soc != MT762X_SOC_MT7688))
+ return -EINVAL;
+
+ if (idx < 0 || idx >= RT305X_ESW_NUM_LANWAN)
+ return -EINVAL;
+
+ reg = esw_r32(esw, RT5350_ESW_REG_PXTPC(idx));
+ val->value.i = (reg >> shift) & 0xffff;
+
+ return 0;
+}
+
+static int esw_get_port_led(struct switch_dev *dev,
+ const struct switch_attr *attr,
+ struct switch_val *val)
+{
+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
+ int idx = val->port_vlan;
+
+ if (idx < 0 || idx >= RT305X_ESW_NUM_PORTS ||
+ idx >= RT305X_ESW_NUM_LEDS)
+ return -EINVAL;
+
+ val->value.i = esw_r32(esw, RT305X_ESW_REG_P0LED + 4*idx);
+
+ return 0;
+}
+
+static int esw_set_port_led(struct switch_dev *dev,
+ const struct switch_attr *attr,
+ struct switch_val *val)
+{
+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
+ int idx = val->port_vlan;
+
+ if (idx < 0 || idx >= RT305X_ESW_NUM_LEDS)
+ return -EINVAL;
+
+ esw->ports[idx].led = val->value.i;
+
+ return 0;
+}
+
+static int esw_get_port_pvid(struct switch_dev *dev, int port, int *val)
+{
+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
+
+ if (port >= RT305X_ESW_NUM_PORTS)
+ return -EINVAL;
+
+ *val = esw_get_pvid(esw, port);
+
+ return 0;
+}
+
+static int esw_set_port_pvid(struct switch_dev *dev, int port, int val)
+{
+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
+
+ if (port >= RT305X_ESW_NUM_PORTS)
+ return -EINVAL;
+
+ esw->ports[port].pvid = val;
+
+ return 0;
+}
+
+static int esw_get_vlan_ports(struct switch_dev *dev, struct switch_val *val)
+{
+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
+ u32 vmsc, poc2;
+ int vlan_idx = -1;
+ int i;
+
+ val->len = 0;
+
+ if (val->port_vlan < 0 || val->port_vlan >= RT305X_ESW_NUM_VIDS)
+ return -EINVAL;
+
+ /* valid vlan? */
+ for (i = 0; i < RT305X_ESW_NUM_VLANS; i++) {
+ if (esw_get_vlan_id(esw, i) == val->port_vlan &&
+ esw_get_vmsc(esw, i) != RT305X_ESW_PORTS_NONE) {
+ vlan_idx = i;
+ break;
+ }
+ }
+
+ if (vlan_idx == -1)
+ return -EINVAL;
+
+ vmsc = esw_get_vmsc(esw, vlan_idx);
+ poc2 = esw_r32(esw, RT305X_ESW_REG_POC2);
+
+ for (i = 0; i < RT305X_ESW_NUM_PORTS; i++) {
+ struct switch_port *p;
+ int port_mask = 1 << i;
+
+ if (!(vmsc & port_mask))
+ continue;
+
+ p = &val->value.ports[val->len++];
+ p->id = i;
+ if (poc2 & (port_mask << RT305X_ESW_POC2_UNTAG_EN_S))
+ p->flags = 0;
+ else
+ p->flags = 1 << SWITCH_PORT_FLAG_TAGGED;
+ }
+
+ return 0;
+}
+
+static int esw_set_vlan_ports(struct switch_dev *dev, struct switch_val *val)
+{
+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
+ int ports;
+ int vlan_idx = -1;
+ int i;
+
+ if (val->port_vlan < 0 || val->port_vlan >= RT305X_ESW_NUM_VIDS ||
+ val->len > RT305X_ESW_NUM_PORTS)
+ return -EINVAL;
+
+ /* one of the already defined vlans? */
+ for (i = 0; i < RT305X_ESW_NUM_VLANS; i++) {
+ if (esw->vlans[i].vid == val->port_vlan &&
+ esw->vlans[i].ports != RT305X_ESW_PORTS_NONE) {
+ vlan_idx = i;
+ break;
+ }
+ }
+
+ /* select a free slot */
+ for (i = 0; vlan_idx == -1 && i < RT305X_ESW_NUM_VLANS; i++) {
+ if (esw->vlans[i].ports == RT305X_ESW_PORTS_NONE)
+ vlan_idx = i;
+ }
+
+ /* bail if all slots are in use */
+ if (vlan_idx == -1)
+ return -EINVAL;
+
+ ports = RT305X_ESW_PORTS_NONE;
+ for (i = 0; i < val->len; i++) {
+ struct switch_port *p = &val->value.ports[i];
+ int port_mask = 1 << p->id;
+ bool untagged = !(p->flags & (1 << SWITCH_PORT_FLAG_TAGGED));
+
+ if (p->id >= RT305X_ESW_NUM_PORTS)
+ return -EINVAL;
+
+ ports |= port_mask;
+ esw->ports[p->id].untag = untagged;
+ }
+ esw->vlans[vlan_idx].ports = ports;
+ if (ports == RT305X_ESW_PORTS_NONE)
+ esw->vlans[vlan_idx].vid = RT305X_ESW_VLAN_NONE;
+ else
+ esw->vlans[vlan_idx].vid = val->port_vlan;
+
+ return 0;
+}
+
+static const struct switch_attr esw_global[] = {
+ {
+ .type = SWITCH_TYPE_INT,
+ .name = "enable_vlan",
+ .description = "VLAN mode (1:enabled)",
+ .max = 1,
+ .id = RT305X_ESW_ATTR_ENABLE_VLAN,
+ .get = esw_get_vlan_enable,
+ .set = esw_set_vlan_enable,
+ },
+ {
+ .type = SWITCH_TYPE_INT,
+ .name = "alternate_vlan_disable",
+ .description = "Use en_vlan instead of doubletag to disable"
+ " VLAN mode",
+ .max = 1,
+ .id = RT305X_ESW_ATTR_ALT_VLAN_DISABLE,
+ .get = esw_get_alt_vlan_disable,
+ .set = esw_set_alt_vlan_disable,
+ },
+ {
+ .type = SWITCH_TYPE_INT,
+ .name = "bc_storm_protect",
+ .description = "Global broadcast storm protection (0:Disable, 1:64 blocks, 2:96 blocks, 3:128 blocks)",
+ .max = 3,
+ .id = RT305X_ESW_ATTR_BC_STATUS,
+ .get = rt305x_esw_get_bc_status,
+ .set = rt305x_esw_set_bc_status,
+ },
+ {
+ .type = SWITCH_TYPE_INT,
+ .name = "led_frequency",
+ .description = "LED Flash frequency (0:30mS, 1:60mS, 2:240mS, 3:480mS)",
+ .max = 3,
+ .id = RT305X_ESW_ATTR_LED_FREQ,
+ .get = rt305x_esw_get_led_freq,
+ .set = rt305x_esw_set_led_freq,
+ }
+};
+
+static const struct switch_attr esw_port[] = {
+ {
+ .type = SWITCH_TYPE_INT,
+ .name = "disable",
+ .description = "Port state (1:disabled)",
+ .max = 1,
+ .id = RT305X_ESW_ATTR_PORT_DISABLE,
+ .get = esw_get_port_bool,
+ .set = esw_set_port_bool,
+ },
+ {
+ .type = SWITCH_TYPE_INT,
+ .name = "doubletag",
+ .description = "Double tagging for incoming vlan packets "
+ "(1:enabled)",
+ .max = 1,
+ .id = RT305X_ESW_ATTR_PORT_DOUBLETAG,
+ .get = esw_get_port_bool,
+ .set = esw_set_port_bool,
+ },
+ {
+ .type = SWITCH_TYPE_INT,
+ .name = "untag",
+ .description = "Untag (1:strip outgoing vlan tag)",
+ .max = 1,
+ .id = RT305X_ESW_ATTR_PORT_UNTAG,
+ .get = esw_get_port_bool,
+ .set = esw_set_port_bool,
+ },
+ {
+ .type = SWITCH_TYPE_INT,
+ .name = "led",
+ .description = "LED mode (0:link, 1:100m, 2:duplex, 3:activity,"
+ " 4:collision, 5:linkact, 6:duplcoll, 7:10mact,"
+ " 8:100mact, 10:blink, 11:off, 12:on)",
+ .max = 15,
+ .id = RT305X_ESW_ATTR_PORT_LED,
+ .get = esw_get_port_led,
+ .set = esw_set_port_led,
+ },
+ {
+ .type = SWITCH_TYPE_INT,
+ .name = "lan",
+ .description = "HW port group (0:wan, 1:lan)",
+ .max = 1,
+ .id = RT305X_ESW_ATTR_PORT_LAN,
+ .get = esw_get_port_bool,
+ },
+ {
+ .type = SWITCH_TYPE_INT,
+ .name = "recv_bad",
+ .description = "Receive bad packet counter",
+ .id = RT305X_ESW_ATTR_PORT_RECV_BAD,
+ .get = esw_get_port_recv_badgood,
+ },
+ {
+ .type = SWITCH_TYPE_INT,
+ .name = "recv_good",
+ .description = "Receive good packet counter",
+ .id = RT305X_ESW_ATTR_PORT_RECV_GOOD,
+ .get = esw_get_port_recv_badgood,
+ },
+ {
+ .type = SWITCH_TYPE_INT,
+ .name = "tr_bad",
+
+ .description = "Transmit bad packet counter. rt5350 only",
+ .id = RT5350_ESW_ATTR_PORT_TR_BAD,
+ .get = esw_get_port_tr_badgood,
+ },
+ {
+ .type = SWITCH_TYPE_INT,
+ .name = "tr_good",
+
+ .description = "Transmit good packet counter. rt5350 only",
+ .id = RT5350_ESW_ATTR_PORT_TR_GOOD,
+ .get = esw_get_port_tr_badgood,
+ },
+};
+
+static const struct switch_attr esw_vlan[] = {
+};
+
+static const struct switch_dev_ops esw_ops = {
+ .attr_global = {
+ .attr = esw_global,
+ .n_attr = ARRAY_SIZE(esw_global),
+ },
+ .attr_port = {
+ .attr = esw_port,
+ .n_attr = ARRAY_SIZE(esw_port),
+ },
+ .attr_vlan = {
+ .attr = esw_vlan,
+ .n_attr = ARRAY_SIZE(esw_vlan),
+ },
+ .get_vlan_ports = esw_get_vlan_ports,
+ .set_vlan_ports = esw_set_vlan_ports,
+ .get_port_pvid = esw_get_port_pvid,
+ .set_port_pvid = esw_set_port_pvid,
+ .get_port_link = esw_get_port_link,
+ .apply_config = esw_apply_config,
+ .reset_switch = esw_reset_switch,
+};
+
+static int esw_probe(struct platform_device *pdev)
+{
+ struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ struct device_node *np = pdev->dev.of_node;
+ const __be32 *port_map, *port_disable, *reg_init;
+ struct switch_dev *swdev;
+ struct rt305x_esw *esw;
+ int ret;
+
+ esw = devm_kzalloc(&pdev->dev, sizeof(*esw), GFP_KERNEL);
+ if (!esw)
+ return -ENOMEM;
+
+ esw->dev = &pdev->dev;
+ esw->irq = irq_of_parse_and_map(np, 0);
+ esw->base = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(esw->base))
+ return PTR_ERR(esw->base);
+
+ port_map = of_get_property(np, "mediatek,portmap", NULL);
+ if (port_map)
+ esw->port_map = be32_to_cpu(*port_map);
+
+ port_disable = of_get_property(np, "mediatek,portdisable", NULL);
+ if (port_disable)
+ esw->port_disable = be32_to_cpu(*port_disable);
+
+ reg_init = of_get_property(np, "ralink,fct2", NULL);
+ if (reg_init)
+ esw->reg_initval_fct2 = be32_to_cpu(*reg_init);
+
+ reg_init = of_get_property(np, "ralink,fpa2", NULL);
+ if (reg_init)
+ esw->reg_initval_fpa2 = be32_to_cpu(*reg_init);
+
+ reg_init = of_get_property(np, "mediatek,led_polarity", NULL);
+ if (reg_init)
+ esw->reg_led_polarity = be32_to_cpu(*reg_init);
+
+ swdev = &esw->swdev;
+ swdev->of_node = pdev->dev.of_node;
+ swdev->name = "rt305x-esw";
+ swdev->alias = "rt305x";
+ swdev->cpu_port = RT305X_ESW_PORT6;
+ swdev->ports = RT305X_ESW_NUM_PORTS;
+ swdev->vlans = RT305X_ESW_NUM_VIDS;
+ swdev->ops = &esw_ops;
+
+ ret = register_switch(swdev, NULL);
+ if (ret < 0) {
+ dev_err(&pdev->dev, "register_switch failed\n");
+ return ret;
+ }
+
+ platform_set_drvdata(pdev, esw);
+
+ spin_lock_init(&esw->reg_rw_lock);
+
+ esw_hw_init(esw);
+
+ reg_init = of_get_property(np, "ralink,rgmii", NULL);
+ if (reg_init && be32_to_cpu(*reg_init) == 1) {
+ /*
+ * External switch connected to RGMII interface.
+ * Unregister the switch device after initialization.
+ */
+ dev_err(&pdev->dev, "RGMII mode, not exporting switch device.\n");
+ unregister_switch(&esw->swdev);
+ platform_set_drvdata(pdev, NULL);
+ return -ENODEV;
+ }
+
+ ret = devm_request_irq(&pdev->dev, esw->irq, esw_interrupt, 0, "esw",
+ esw);
+
+ if (!ret) {
+ esw_w32(esw, RT305X_ESW_PORT_ST_CHG, RT305X_ESW_REG_ISR);
+ esw_w32(esw, ~RT305X_ESW_PORT_ST_CHG, RT305X_ESW_REG_IMR);
+ }
+
+ return ret;
+}
+
+static int esw_remove(struct platform_device *pdev)
+{
+ struct rt305x_esw *esw = platform_get_drvdata(pdev);
+
+ if (esw) {
+ esw_w32(esw, ~0, RT305X_ESW_REG_IMR);
+ platform_set_drvdata(pdev, NULL);
+ }
+
+ return 0;
+}
+
+static const struct of_device_id ralink_esw_match[] = {
+ { .compatible = "ralink,rt3050-esw" },
+ {},
+};
+MODULE_DEVICE_TABLE(of, ralink_esw_match);
+
+static struct platform_driver esw_driver = {
+ .probe = esw_probe,
+ .remove = esw_remove,
+ .driver = {
+ .name = "rt3050-esw",
+ .owner = THIS_MODULE,
+ .of_match_table = ralink_esw_match,
+ },
+};
+
+module_platform_driver(esw_driver);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("John Crispin <blogic@openwrt.org>");
+MODULE_DESCRIPTION("Switch driver for RT305X SoC");
+MODULE_VERSION(MTK_FE_DRV_VERSION);
diff --git a/target/linux/ramips/files/drivers/net/ethernet/ralink/esw_rt3050.h b/target/linux/ramips/files/drivers/net/ethernet/ralink/esw_rt3050.h
new file mode 100644
index 0000000000..bbc8fbd52a
--- /dev/null
+++ b/target/linux/ramips/files/drivers/net/ethernet/ralink/esw_rt3050.h
@@ -0,0 +1,29 @@
+/* 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@nbd.name>
+ * Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com>
+ */
+
+#ifndef _RALINK_ESW_RT3052_H__
+#define _RALINK_ESW_RT3052_H__
+
+#ifdef CONFIG_NET_RALINK_ESW_RT3052
+
+int __init mtk_switch_init(void);
+void mtk_switch_exit(void);
+
+#else
+
+static inline int __init mtk_switch_init(void) { return 0; }
+static inline void mtk_switch_exit(void) { }
+
+#endif
+#endif
diff --git a/target/linux/ramips/files/drivers/net/ethernet/ralink/ethtool.c b/target/linux/ramips/files/drivers/net/ethernet/ralink/ethtool.c
new file mode 100644
index 0000000000..5732c28536
--- /dev/null
+++ b/target/linux/ramips/files/drivers/net/ethernet/ralink/ethtool.c
@@ -0,0 +1,230 @@
+/* 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@nbd.name>
+ * Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com>
+ */
+
+#include "mtk_eth_soc.h"
+
+static const char fe_gdma_str[][ETH_GSTRING_LEN] = {
+#define _FE(x...) # x,
+FE_STAT_REG_DECLARE
+#undef _FE
+};
+
+static int fe_get_link_ksettings(struct net_device *ndev,
+ struct ethtool_link_ksettings *cmd)
+{
+ struct fe_priv *priv = netdev_priv(ndev);
+
+ if (!priv->phy_dev)
+ return -ENODEV;
+
+ if (priv->phy_flags == FE_PHY_FLAG_ATTACH) {
+ if (phy_read_status(priv->phy_dev))
+ return -ENODEV;
+ }
+
+ phy_ethtool_ksettings_get(ndev->phydev, cmd);
+
+ return 0;
+}
+
+static int fe_set_link_ksettings(struct net_device *ndev,
+ const struct ethtool_link_ksettings *cmd)
+{
+ struct fe_priv *priv = netdev_priv(ndev);
+
+ if (!priv->phy_dev)
+ goto out_sset;
+
+ if (cmd->base.phy_address != priv->phy_dev->mdio.addr) {
+ if (priv->phy->phy_node[cmd->base.phy_address]) {
+ priv->phy_dev = priv->phy->phy[cmd->base.phy_address];
+ priv->phy_flags = FE_PHY_FLAG_PORT;
+ } else if (priv->mii_bus && mdiobus_get_phy(priv->mii_bus, cmd->base.phy_address)) {
+ priv->phy_dev = mdiobus_get_phy(priv->mii_bus, cmd->base.phy_address);
+ priv->phy_flags = FE_PHY_FLAG_ATTACH;
+ } else {
+ goto out_sset;
+ }
+ }
+
+ return phy_ethtool_ksettings_set(ndev->phydev, cmd);
+
+out_sset:
+ return -ENODEV;
+}
+
+static void fe_get_drvinfo(struct net_device *dev,
+ struct ethtool_drvinfo *info)
+{
+ struct fe_priv *priv = netdev_priv(dev);
+ struct fe_soc_data *soc = priv->soc;
+
+ strlcpy(info->driver, priv->dev->driver->name, sizeof(info->driver));
+ strlcpy(info->version, MTK_FE_DRV_VERSION, sizeof(info->version));
+ strlcpy(info->bus_info, dev_name(priv->dev), sizeof(info->bus_info));
+
+ if (soc->reg_table[FE_REG_FE_COUNTER_BASE])
+ info->n_stats = ARRAY_SIZE(fe_gdma_str);
+}
+
+static u32 fe_get_msglevel(struct net_device *dev)
+{
+ struct fe_priv *priv = netdev_priv(dev);
+
+ return priv->msg_enable;
+}
+
+static void fe_set_msglevel(struct net_device *dev, u32 value)
+{
+ struct fe_priv *priv = netdev_priv(dev);
+
+ priv->msg_enable = value;
+}
+
+static int fe_nway_reset(struct net_device *dev)
+{
+ struct fe_priv *priv = netdev_priv(dev);
+
+ if (!priv->phy_dev)
+ goto out_nway_reset;
+
+ return genphy_restart_aneg(priv->phy_dev);
+
+out_nway_reset:
+ return -EOPNOTSUPP;
+}
+
+static u32 fe_get_link(struct net_device *dev)
+{
+ struct fe_priv *priv = netdev_priv(dev);
+ int err;
+
+ if (!priv->phy_dev)
+ goto out_get_link;
+
+ if (priv->phy_flags == FE_PHY_FLAG_ATTACH) {
+ err = genphy_update_link(priv->phy_dev);
+ if (err)
+ goto out_get_link;
+ }
+
+ return priv->phy_dev->link;
+
+out_get_link:
+ return ethtool_op_get_link(dev);
+}
+
+static int fe_set_ringparam(struct net_device *dev,
+ struct ethtool_ringparam *ring)
+{
+ struct fe_priv *priv = netdev_priv(dev);
+
+ if ((ring->tx_pending < 2) ||
+ (ring->rx_pending < 2) ||
+ (ring->rx_pending > MAX_DMA_DESC) ||
+ (ring->tx_pending > MAX_DMA_DESC))
+ return -EINVAL;
+
+ dev->netdev_ops->ndo_stop(dev);
+
+ priv->tx_ring.tx_ring_size = BIT(fls(ring->tx_pending) - 1);
+ priv->rx_ring.rx_ring_size = BIT(fls(ring->rx_pending) - 1);
+
+ dev->netdev_ops->ndo_open(dev);
+
+ return 0;
+}
+
+static void fe_get_ringparam(struct net_device *dev,
+ struct ethtool_ringparam *ring)
+{
+ struct fe_priv *priv = netdev_priv(dev);
+
+ ring->rx_max_pending = MAX_DMA_DESC;
+ ring->tx_max_pending = MAX_DMA_DESC;
+ ring->rx_pending = priv->rx_ring.rx_ring_size;
+ ring->tx_pending = priv->tx_ring.tx_ring_size;
+}
+
+static void fe_get_strings(struct net_device *dev, u32 stringset, u8 *data)
+{
+ switch (stringset) {
+ case ETH_SS_STATS:
+ memcpy(data, *fe_gdma_str, sizeof(fe_gdma_str));
+ break;
+ }
+}
+
+static int fe_get_sset_count(struct net_device *dev, int sset)
+{
+ switch (sset) {
+ case ETH_SS_STATS:
+ return ARRAY_SIZE(fe_gdma_str);
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+
+static void fe_get_ethtool_stats(struct net_device *dev,
+ struct ethtool_stats *stats, u64 *data)
+{
+ struct fe_priv *priv = netdev_priv(dev);
+ struct fe_hw_stats *hwstats = priv->hw_stats;
+ u64 *data_src, *data_dst;
+ unsigned int start;
+ int i;
+
+ if (netif_running(dev) && netif_device_present(dev)) {
+ if (spin_trylock(&hwstats->stats_lock)) {
+ fe_stats_update(priv);
+ spin_unlock(&hwstats->stats_lock);
+ }
+ }
+
+ do {
+ data_src = &hwstats->tx_bytes;
+ data_dst = data;
+ start = u64_stats_fetch_begin_irq(&hwstats->syncp);
+
+ for (i = 0; i < ARRAY_SIZE(fe_gdma_str); i++)
+ *data_dst++ = *data_src++;
+
+ } while (u64_stats_fetch_retry_irq(&hwstats->syncp, start));
+}
+
+static struct ethtool_ops fe_ethtool_ops = {
+ .get_link_ksettings = fe_get_link_ksettings,
+ .set_link_ksettings = fe_set_link_ksettings,
+ .get_drvinfo = fe_get_drvinfo,
+ .get_msglevel = fe_get_msglevel,
+ .set_msglevel = fe_set_msglevel,
+ .nway_reset = fe_nway_reset,
+ .get_link = fe_get_link,
+ .set_ringparam = fe_set_ringparam,
+ .get_ringparam = fe_get_ringparam,
+};
+
+void fe_set_ethtool_ops(struct net_device *netdev)
+{
+ struct fe_priv *priv = netdev_priv(netdev);
+ struct fe_soc_data *soc = priv->soc;
+
+ if (soc->reg_table[FE_REG_FE_COUNTER_BASE]) {
+ fe_ethtool_ops.get_strings = fe_get_strings;
+ fe_ethtool_ops.get_sset_count = fe_get_sset_count;
+ fe_ethtool_ops.get_ethtool_stats = fe_get_ethtool_stats;
+ }
+
+ netdev->ethtool_ops = &fe_ethtool_ops;
+}
diff --git a/target/linux/ramips/files/drivers/net/ethernet/ralink/ethtool.h b/target/linux/ramips/files/drivers/net/ethernet/ralink/ethtool.h
new file mode 100644
index 0000000000..6fd16f0b66
--- /dev/null
+++ b/target/linux/ramips/files/drivers/net/ethernet/ralink/ethtool.h
@@ -0,0 +1,22 @@
+/* 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@nbd.name>
+ * Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com>
+ */
+
+#ifndef FE_ETHTOOL_H
+#define FE_ETHTOOL_H
+
+#include <linux/ethtool.h>
+
+void fe_set_ethtool_ops(struct net_device *netdev);
+
+#endif /* FE_ETHTOOL_H */
diff --git a/target/linux/ramips/files/drivers/net/ethernet/ralink/gsw_mt7620.c b/target/linux/ramips/files/drivers/net/ethernet/ralink/gsw_mt7620.c
new file mode 100644
index 0000000000..bd379e6c7d
--- /dev/null
+++ b/target/linux/ramips/files/drivers/net/ethernet/ralink/gsw_mt7620.c
@@ -0,0 +1,313 @@
+/* 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@nbd.name>
+ * Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com>
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/platform_device.h>
+#include <linux/of_device.h>
+#include <linux/of_irq.h>
+
+#include <ralink_regs.h>
+
+#include "mtk_eth_soc.h"
+#include "gsw_mt7620.h"
+
+void mtk_switch_w32(struct mt7620_gsw *gsw, u32 val, unsigned reg)
+{
+ iowrite32(val, gsw->base + reg);
+}
+
+u32 mtk_switch_r32(struct mt7620_gsw *gsw, unsigned reg)
+{
+ return ioread32(gsw->base + reg);
+}
+
+static irqreturn_t gsw_interrupt_mt7620(int irq, void *_priv)
+{
+ struct fe_priv *priv = (struct fe_priv *)_priv;
+ struct mt7620_gsw *gsw = (struct mt7620_gsw *)priv->soc->swpriv;
+ u32 status;
+ int i, max = (gsw->port4 == PORT4_EPHY) ? (4) : (3);
+
+ status = mtk_switch_r32(gsw, GSW_REG_ISR);
+ if (status & PORT_IRQ_ST_CHG)
+ for (i = 0; i <= max; i++) {
+ u32 status = mtk_switch_r32(gsw, GSW_REG_PORT_STATUS(i));
+ int link = status & 0x1;
+
+ if (link != priv->link[i])
+ mt7620_print_link_state(priv, i, link,
+ (status >> 2) & 3,
+ (status & 0x2));
+
+ priv->link[i] = link;
+ }
+ mt7620_handle_carrier(priv);
+ mtk_switch_w32(gsw, status, GSW_REG_ISR);
+
+ return IRQ_HANDLED;
+}
+
+static int mt7620_mdio_mode(struct device_node *eth_node)
+{
+ struct device_node *phy_node, *mdiobus_node;
+ const __be32 *id;
+ int ret = 0;
+
+ mdiobus_node = of_get_child_by_name(eth_node, "mdio-bus");
+
+ if (mdiobus_node) {
+ if (of_property_read_bool(mdiobus_node, "mediatek,mdio-mode"))
+ ret = 1;
+
+ for_each_child_of_node(mdiobus_node, phy_node) {
+ id = of_get_property(phy_node, "reg", NULL);
+ if (id && (be32_to_cpu(*id) == 0x1f))
+ ret = 1;
+ }
+
+ of_node_put(mdiobus_node);
+ }
+
+ return ret;
+}
+
+static void mt7620_hw_init(struct mt7620_gsw *gsw, int mdio_mode)
+{
+ u32 i;
+ u32 val;
+ u32 is_BGA = (rt_sysc_r32(0x0c) >> 16) & 1;
+
+ rt_sysc_w32(rt_sysc_r32(SYSC_REG_CFG1) | BIT(8), SYSC_REG_CFG1);
+ mtk_switch_w32(gsw, mtk_switch_r32(gsw, GSW_REG_CKGCR) & ~(0x3 << 4), GSW_REG_CKGCR);
+
+ /* Enable MIB stats */
+ mtk_switch_w32(gsw, mtk_switch_r32(gsw, GSW_REG_MIB_CNT_EN) | (1 << 1), GSW_REG_MIB_CNT_EN);
+
+ if (mdio_mode) {
+ u32 val;
+
+ /* turn off ephy and set phy base addr to 12 */
+ mtk_switch_w32(gsw, mtk_switch_r32(gsw, GSW_REG_GPC1) |
+ (0x1f << 24) | (0xc << 16),
+ GSW_REG_GPC1);
+
+ /* set MT7530 central align */
+ val = mt7530_mdio_r32(gsw, 0x7830);
+ val &= ~BIT(0);
+ val |= BIT(1);
+ mt7530_mdio_w32(gsw, 0x7830, val);
+
+ val = mt7530_mdio_r32(gsw, 0x7a40);
+ val &= ~BIT(30);
+ mt7530_mdio_w32(gsw, 0x7a40, val);
+
+ mt7530_mdio_w32(gsw, 0x7a78, 0x855);
+ } else {
+
+ if (gsw->ephy_base) {
+ /* set phy base addr to ephy_base */
+ mtk_switch_w32(gsw, mtk_switch_r32(gsw, GSW_REG_GPC1) |
+ (gsw->ephy_base << 16),
+ GSW_REG_GPC1);
+ fe_reset(BIT(24)); /* Resets the Ethernet PHY block. */
+ }
+
+ /* global page 4 */
+ _mt7620_mii_write(gsw, gsw->ephy_base + 1, 31, 0x4000);
+
+ _mt7620_mii_write(gsw, gsw->ephy_base + 1, 17, 0x7444);
+ if (is_BGA)
+ _mt7620_mii_write(gsw, gsw->ephy_base + 1, 19, 0x0114);
+ else
+ _mt7620_mii_write(gsw, gsw->ephy_base + 1, 19, 0x0117);
+
+ _mt7620_mii_write(gsw, gsw->ephy_base + 1, 22, 0x10cf);
+ _mt7620_mii_write(gsw, gsw->ephy_base + 1, 25, 0x6212);
+ _mt7620_mii_write(gsw, gsw->ephy_base + 1, 26, 0x0777);
+ _mt7620_mii_write(gsw, gsw->ephy_base + 1, 29, 0x4000);
+ _mt7620_mii_write(gsw, gsw->ephy_base + 1, 28, 0xc077);
+ _mt7620_mii_write(gsw, gsw->ephy_base + 1, 24, 0x0000);
+
+ /* global page 3 */
+ _mt7620_mii_write(gsw, gsw->ephy_base + 1, 31, 0x3000);
+ _mt7620_mii_write(gsw, gsw->ephy_base + 1, 17, 0x4838);
+
+ /* global page 2 */
+ _mt7620_mii_write(gsw, gsw->ephy_base + 1, 31, 0x2000);
+ if (is_BGA) {
+ _mt7620_mii_write(gsw, gsw->ephy_base + 1, 21, 0x0515);
+ _mt7620_mii_write(gsw, gsw->ephy_base + 1, 22, 0x0053);
+ _mt7620_mii_write(gsw, gsw->ephy_base + 1, 23, 0x00bf);
+ _mt7620_mii_write(gsw, gsw->ephy_base + 1, 24, 0x0aaf);
+ _mt7620_mii_write(gsw, gsw->ephy_base + 1, 25, 0x0fad);
+ _mt7620_mii_write(gsw, gsw->ephy_base + 1, 26, 0x0fc1);
+ } else {
+ _mt7620_mii_write(gsw, gsw->ephy_base + 1, 21, 0x0517);
+ _mt7620_mii_write(gsw, gsw->ephy_base + 1, 22, 0x0fd2);
+ _mt7620_mii_write(gsw, gsw->ephy_base + 1, 23, 0x00bf);
+ _mt7620_mii_write(gsw, gsw->ephy_base + 1, 24, 0x0aab);
+ _mt7620_mii_write(gsw, gsw->ephy_base + 1, 25, 0x00ae);
+ _mt7620_mii_write(gsw, gsw->ephy_base + 1, 26, 0x0fff);
+ }
+ /* global page 1 */
+ _mt7620_mii_write(gsw, gsw->ephy_base + 1, 31, 0x1000);
+ _mt7620_mii_write(gsw, gsw->ephy_base + 1, 17, 0xe7f8);
+
+ /* turn on all PHYs */
+ for (i = 0; i <= 4; i++) {
+ val = _mt7620_mii_read(gsw, gsw->ephy_base + i, 0);
+ val &= ~BIT(11);
+ _mt7620_mii_write(gsw, gsw->ephy_base + i, 0, val);
+ }
+ }
+
+ /* global page 0 */
+ _mt7620_mii_write(gsw, gsw->ephy_base + 1, 31, 0x8000);
+ _mt7620_mii_write(gsw, gsw->ephy_base + 0, 30, 0xa000);
+ _mt7620_mii_write(gsw, gsw->ephy_base + 1, 30, 0xa000);
+ _mt7620_mii_write(gsw, gsw->ephy_base + 2, 30, 0xa000);
+ _mt7620_mii_write(gsw, gsw->ephy_base + 3, 30, 0xa000);
+
+ _mt7620_mii_write(gsw, gsw->ephy_base + 0, 4, 0x05e1);
+ _mt7620_mii_write(gsw, gsw->ephy_base + 1, 4, 0x05e1);
+ _mt7620_mii_write(gsw, gsw->ephy_base + 2, 4, 0x05e1);
+ _mt7620_mii_write(gsw, gsw->ephy_base + 3, 4, 0x05e1);
+
+ /* global page 2 */
+ _mt7620_mii_write(gsw, gsw->ephy_base + 1, 31, 0xa000);
+ _mt7620_mii_write(gsw, gsw->ephy_base + 0, 16, 0x1111);
+ _mt7620_mii_write(gsw, gsw->ephy_base + 1, 16, 0x1010);
+ _mt7620_mii_write(gsw, gsw->ephy_base + 2, 16, 0x1515);
+ _mt7620_mii_write(gsw, gsw->ephy_base + 3, 16, 0x0f0f);
+
+ /* CPU Port6 Force Link 1G, FC ON */
+ mtk_switch_w32(gsw, 0x5e33b, GSW_REG_PORT_PMCR(6));
+
+ /* Set Port 6 as CPU Port */
+ mtk_switch_w32(gsw, 0x7f7f7fe0, 0x0010);
+
+ /* setup port 4 */
+ if (gsw->port4 == PORT4_EPHY) {
+ u32 val = rt_sysc_r32(SYSC_REG_CFG1);
+
+ val |= 3 << 14;
+ rt_sysc_w32(val, SYSC_REG_CFG1);
+ _mt7620_mii_write(gsw, gsw->ephy_base + 4, 30, 0xa000);
+ _mt7620_mii_write(gsw, gsw->ephy_base + 4, 4, 0x05e1);
+ _mt7620_mii_write(gsw, gsw->ephy_base + 4, 16, 0x1313);
+ pr_info("gsw: setting port4 to ephy mode\n");
+ } else if (!mdio_mode) {
+ u32 val = rt_sysc_r32(SYSC_REG_CFG1);
+
+ val &= ~(3 << 14);
+ rt_sysc_w32(val, SYSC_REG_CFG1);
+ pr_info("gsw: setting port4 to gmac mode\n");
+ }
+}
+
+static const struct of_device_id mediatek_gsw_match[] = {
+ { .compatible = "mediatek,mt7620-gsw" },
+ {},
+};
+MODULE_DEVICE_TABLE(of, mediatek_gsw_match);
+
+int mtk_gsw_init(struct fe_priv *priv)
+{
+ struct device_node *np = priv->switch_np;
+ struct platform_device *pdev = of_find_device_by_node(np);
+ struct mt7620_gsw *gsw;
+
+ if (!pdev)
+ return -ENODEV;
+
+ if (!of_device_is_compatible(np, mediatek_gsw_match->compatible))
+ return -EINVAL;
+
+ gsw = platform_get_drvdata(pdev);
+ priv->soc->swpriv = gsw;
+
+ mt7620_hw_init(gsw, mt7620_mdio_mode(priv->dev->of_node));
+
+ if (gsw->irq) {
+ request_irq(gsw->irq, gsw_interrupt_mt7620, 0,
+ "gsw", priv);
+ mtk_switch_w32(gsw, ~PORT_IRQ_ST_CHG, GSW_REG_IMR);
+ }
+
+ return 0;
+}
+
+static int mt7620_gsw_probe(struct platform_device *pdev)
+{
+ struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ const char *port4 = NULL;
+ struct mt7620_gsw *gsw;
+ struct device_node *np = pdev->dev.of_node;
+ u16 val;
+
+ gsw = devm_kzalloc(&pdev->dev, sizeof(struct mt7620_gsw), GFP_KERNEL);
+ if (!gsw)
+ return -ENOMEM;
+
+ gsw->base = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(gsw->base))
+ return PTR_ERR(gsw->base);
+
+ gsw->dev = &pdev->dev;
+
+ of_property_read_string(np, "mediatek,port4", &port4);
+ if (port4 && !strcmp(port4, "ephy"))
+ gsw->port4 = PORT4_EPHY;
+ else if (port4 && !strcmp(port4, "gmac"))
+ gsw->port4 = PORT4_EXT;
+ else
+ gsw->port4 = PORT4_EPHY;
+
+ if (of_property_read_u16(np, "mediatek,ephy-base-address", &val) == 0)
+ gsw->ephy_base = val;
+ else
+ gsw->ephy_base = 0;
+
+ gsw->irq = platform_get_irq(pdev, 0);
+
+ platform_set_drvdata(pdev, gsw);
+
+ return 0;
+}
+
+static int mt7620_gsw_remove(struct platform_device *pdev)
+{
+ platform_set_drvdata(pdev, NULL);
+
+ return 0;
+}
+
+static struct platform_driver gsw_driver = {
+ .probe = mt7620_gsw_probe,
+ .remove = mt7620_gsw_remove,
+ .driver = {
+ .name = "mt7620-gsw",
+ .owner = THIS_MODULE,
+ .of_match_table = mediatek_gsw_match,
+ },
+};
+
+module_platform_driver(gsw_driver);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("John Crispin <blogic@openwrt.org>");
+MODULE_DESCRIPTION("GBit switch driver for Mediatek MT7620 SoC");
+MODULE_VERSION(MTK_FE_DRV_VERSION);
diff --git a/target/linux/ramips/files/drivers/net/ethernet/ralink/gsw_mt7620.h b/target/linux/ramips/files/drivers/net/ethernet/ralink/gsw_mt7620.h
new file mode 100644
index 0000000000..03d030446a
--- /dev/null
+++ b/target/linux/ramips/files/drivers/net/ethernet/ralink/gsw_mt7620.h
@@ -0,0 +1,132 @@
+/* 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@nbd.name>
+ * Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com>
+ */
+
+#ifndef _RALINK_GSW_MT7620_H__
+#define _RALINK_GSW_MT7620_H__
+
+#define GSW_REG_PHY_TIMEOUT (5 * HZ)
+
+#ifdef CONFIG_SOC_MT7621
+#define MT7620A_GSW_REG_PIAC 0x0004
+#else
+#define MT7620A_GSW_REG_PIAC 0x7004
+#endif
+
+#define GSW_NUM_VLANS 16
+#define GSW_NUM_VIDS 4096
+#define GSW_NUM_PORTS 7
+#define GSW_PORT6 6
+
+#define GSW_MDIO_ACCESS BIT(31)
+#define GSW_MDIO_READ BIT(19)
+#define GSW_MDIO_WRITE BIT(18)
+#define GSW_MDIO_START BIT(16)
+#define GSW_MDIO_ADDR_SHIFT 20
+#define GSW_MDIO_REG_SHIFT 25
+
+#define GSW_REG_MIB_CNT_EN 0x4000
+
+#define GSW_REG_PORT_PMCR(x) (0x3000 + (x * 0x100))
+#define GSW_REG_PORT_STATUS(x) (0x3008 + (x * 0x100))
+#define GSW_REG_SMACCR0 0x3fE4
+#define GSW_REG_SMACCR1 0x3fE8
+#define GSW_REG_CKGCR 0x3ff0
+
+#define GSW_REG_IMR 0x7008
+#define GSW_REG_ISR 0x700c
+#define GSW_REG_GPC1 0x7014
+#define GSW_REG_GPC2 0x701c
+
+#define GSW_REG_GPCx_TXDELAY BIT(3)
+#define GSW_REG_GPCx_RXDELAY BIT(2)
+
+#define GSW_REG_MAC_P0_MCR 0x100
+#define GSW_REG_MAC_P1_MCR 0x200
+
+// Global MAC control register
+#define GSW_REG_GMACCR 0x30E0
+
+#define SYSC_REG_CHIP_REV_ID 0x0c
+#define SYSC_REG_CFG1 0x14
+#define RST_CTRL_MCM BIT(2)
+#define SYSC_PAD_RGMII2_MDIO 0x58
+#define SYSC_GPIO_MODE 0x60
+
+#define PORT_IRQ_ST_CHG 0x7f
+
+#ifdef CONFIG_SOC_MT7621
+#define ESW_PHY_POLLING 0x0000
+#else
+#define ESW_PHY_POLLING 0x7000
+#endif
+
+#define PMCR_IPG BIT(18)
+#define PMCR_MAC_MODE BIT(16)
+#define PMCR_FORCE BIT(15)
+#define PMCR_TX_EN BIT(14)
+#define PMCR_RX_EN BIT(13)
+#define PMCR_BACKOFF BIT(9)
+#define PMCR_BACKPRES BIT(8)
+#define PMCR_RX_FC BIT(5)
+#define PMCR_TX_FC BIT(4)
+#define PMCR_SPEED(_x) (_x << 2)
+#define PMCR_DUPLEX BIT(1)
+#define PMCR_LINK BIT(0)
+
+#define PHY_AN_EN BIT(31)
+#define PHY_PRE_EN BIT(30)
+#define PMY_MDC_CONF(_x) ((_x & 0x3f) << 24)
+
+
+enum {
+ /* Global attributes. */
+ GSW_ATTR_ENABLE_VLAN,
+ /* Port attributes. */
+ GSW_ATTR_PORT_UNTAG,
+};
+
+enum {
+ PORT4_EPHY = 0,
+ PORT4_EXT,
+};
+
+struct mt7620_gsw {
+ struct device *dev;
+ void __iomem *base;
+ int irq;
+ int port4;
+ unsigned long int autopoll;
+ u16 ephy_base;
+};
+
+void mtk_switch_w32(struct mt7620_gsw *gsw, u32 val, unsigned reg);
+u32 mtk_switch_r32(struct mt7620_gsw *gsw, unsigned reg);
+int mtk_gsw_init(struct fe_priv *priv);
+
+int mt7620_mdio_write(struct mii_bus *bus, int phy_addr, int phy_reg, u16 val);
+int mt7620_mdio_read(struct mii_bus *bus, int phy_addr, int phy_reg);
+void mt7620_mdio_link_adjust(struct fe_priv *priv, int port);
+int mt7620_has_carrier(struct fe_priv *priv);
+void mt7620_print_link_state(struct fe_priv *priv, int port, int link,
+ int speed, int duplex);
+
+void mt7530_mdio_w32(struct mt7620_gsw *gsw, u32 reg, u32 val);
+u32 mt7530_mdio_r32(struct mt7620_gsw *gsw, u32 reg);
+
+u32 _mt7620_mii_write(struct mt7620_gsw *gsw, u32 phy_addr,
+ u32 phy_register, u32 write_data);
+u32 _mt7620_mii_read(struct mt7620_gsw *gsw, int phy_addr, int phy_reg);
+void mt7620_handle_carrier(struct fe_priv *priv);
+
+#endif
diff --git a/target/linux/ramips/files/drivers/net/ethernet/ralink/gsw_mt7621.c b/target/linux/ramips/files/drivers/net/ethernet/ralink/gsw_mt7621.c
new file mode 100644
index 0000000000..232bcd8cf4
--- /dev/null
+++ b/target/linux/ramips/files/drivers/net/ethernet/ralink/gsw_mt7621.c
@@ -0,0 +1,275 @@
+/* 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@nbd.name>
+ * Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com>
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/platform_device.h>
+#include <linux/of_device.h>
+#include <linux/of_irq.h>
+
+#include <ralink_regs.h>
+
+#include "mtk_eth_soc.h"
+#include "gsw_mt7620.h"
+
+void mtk_switch_w32(struct mt7620_gsw *gsw, u32 val, unsigned reg)
+{
+ iowrite32(val, gsw->base + reg);
+}
+
+u32 mtk_switch_r32(struct mt7620_gsw *gsw, unsigned reg)
+{
+ return ioread32(gsw->base + reg);
+}
+
+static irqreturn_t gsw_interrupt_mt7621(int irq, void *_priv)
+{
+ struct fe_priv *priv = (struct fe_priv *)_priv;
+ struct mt7620_gsw *gsw = (struct mt7620_gsw *)priv->soc->swpriv;
+ u32 reg, i;
+
+ reg = mt7530_mdio_r32(gsw, 0x700c);
+ mt7530_mdio_w32(gsw, 0x700c, reg);
+
+ for (i = 0; i < 5; i++)
+ if (reg & BIT(i)) {
+ unsigned int link;
+
+ link = mt7530_mdio_r32(gsw,
+ 0x3008 + (i * 0x100)) & 0x1;
+
+ if (link != priv->link[i]) {
+ priv->link[i] = link;
+ if (link)
+ netdev_info(priv->netdev,
+ "port %d link up\n", i);
+ else
+ netdev_info(priv->netdev,
+ "port %d link down\n", i);
+ }
+ }
+
+ mt7620_handle_carrier(priv);
+
+ return IRQ_HANDLED;
+}
+
+static void mt7621_hw_init(struct mt7620_gsw *gsw, struct device_node *np)
+{
+ u32 i;
+ u32 val;
+
+ /* wardware reset the switch */
+ fe_reset(RST_CTRL_MCM);
+ mdelay(10);
+
+ /* reduce RGMII2 PAD driving strength */
+ rt_sysc_m32(3 << 4, 0, SYSC_PAD_RGMII2_MDIO);
+
+ /* gpio mux - RGMII1=Normal mode */
+ rt_sysc_m32(BIT(14), 0, SYSC_GPIO_MODE);
+
+ /* set GMAC1 RGMII mode */
+ rt_sysc_m32(3 << 12, 0, SYSC_REG_CFG1);
+
+ /* enable MDIO to control MT7530 */
+ rt_sysc_m32(3 << 12, 0, SYSC_GPIO_MODE);
+
+ /* turn off all PHYs */
+ for (i = 0; i <= 4; i++) {
+ val = _mt7620_mii_read(gsw, i, 0x0);
+ val |= BIT(11);
+ _mt7620_mii_write(gsw, i, 0x0, val);
+ }
+
+ /* reset the switch */
+ mt7530_mdio_w32(gsw, 0x7000, 0x3);
+ usleep_range(10, 20);
+
+ /* (GE1, Force 1000M/FD, FC OFF, MAX_RX_LENGTH 1536) */
+ mtk_switch_w32(gsw, 0x2305e30b, GSW_REG_MAC_P0_MCR);
+ mt7530_mdio_w32(gsw, 0x3600, 0x5e30b);
+
+ /* (GE2, Link down) */
+ 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);
+ val &= ~BIT(8);
+ val |= BIT(6) | BIT(13) | BIT(16);
+ mt7530_mdio_w32(gsw, 0x7804, val);
+
+ val = rt_sysc_r32(0x10);
+ val = (val >> 6) & 0x7;
+ if (val >= 6) {
+ /* 25Mhz Xtal - do nothing */
+ } else if (val >= 3) {
+ /* 40Mhz */
+
+ /* disable MT7530 core clock */
+ _mt7620_mii_write(gsw, 0, 13, 0x1f);
+ _mt7620_mii_write(gsw, 0, 14, 0x410);
+ _mt7620_mii_write(gsw, 0, 13, 0x401f);
+ _mt7620_mii_write(gsw, 0, 14, 0x0);
+
+ /* disable MT7530 PLL */
+ _mt7620_mii_write(gsw, 0, 13, 0x1f);
+ _mt7620_mii_write(gsw, 0, 14, 0x40d);
+ _mt7620_mii_write(gsw, 0, 13, 0x401f);
+ _mt7620_mii_write(gsw, 0, 14, 0x2020);
+
+ /* for MT7530 core clock = 500Mhz */
+ _mt7620_mii_write(gsw, 0, 13, 0x1f);
+ _mt7620_mii_write(gsw, 0, 14, 0x40e);
+ _mt7620_mii_write(gsw, 0, 13, 0x401f);
+ _mt7620_mii_write(gsw, 0, 14, 0x119);
+
+ /* enable MT7530 PLL */
+ _mt7620_mii_write(gsw, 0, 13, 0x1f);
+ _mt7620_mii_write(gsw, 0, 14, 0x40d);
+ _mt7620_mii_write(gsw, 0, 13, 0x401f);
+ _mt7620_mii_write(gsw, 0, 14, 0x2820);
+
+ usleep_range(20, 40);
+
+ /* enable MT7530 core clock */
+ _mt7620_mii_write(gsw, 0, 13, 0x1f);
+ _mt7620_mii_write(gsw, 0, 14, 0x410);
+ _mt7620_mii_write(gsw, 0, 13, 0x401f);
+ } else {
+ /* 20Mhz Xtal - TODO */
+ }
+
+ /* RGMII */
+ _mt7620_mii_write(gsw, 0, 14, 0x1);
+
+ /* set MT7530 central align */
+ val = mt7530_mdio_r32(gsw, 0x7830);
+ val &= ~BIT(0);
+ val |= BIT(1);
+ mt7530_mdio_w32(gsw, 0x7830, val);
+ val = mt7530_mdio_r32(gsw, 0x7a40);
+ val &= ~BIT(30);
+ mt7530_mdio_w32(gsw, 0x7a40, val);
+ mt7530_mdio_w32(gsw, 0x7a78, 0x855);
+
+ /* delay setting for 10/1000M */
+ mt7530_mdio_w32(gsw, 0x7b00, 0x102);
+ mt7530_mdio_w32(gsw, 0x7b04, 0x14);
+
+ /* lower Tx Driving*/
+ mt7530_mdio_w32(gsw, 0x7a54, 0x44);
+ mt7530_mdio_w32(gsw, 0x7a5c, 0x44);
+ mt7530_mdio_w32(gsw, 0x7a64, 0x44);
+ mt7530_mdio_w32(gsw, 0x7a6c, 0x44);
+ mt7530_mdio_w32(gsw, 0x7a74, 0x44);
+ mt7530_mdio_w32(gsw, 0x7a7c, 0x44);
+
+ /* turn on all PHYs */
+ for (i = 0; i <= 4; i++) {
+ val = _mt7620_mii_read(gsw, i, 0);
+ val &= ~BIT(11);
+ _mt7620_mii_write(gsw, i, 0, val);
+ }
+
+ /* enable irq */
+ mt7530_mdio_w32(gsw, 0x7008, 0x1f);
+ val = mt7530_mdio_r32(gsw, 0x7808);
+ val |= 3 << 16;
+ mt7530_mdio_w32(gsw, 0x7808, val);
+}
+
+static const struct of_device_id mediatek_gsw_match[] = {
+ { .compatible = "mediatek,mt7621-gsw" },
+ {},
+};
+MODULE_DEVICE_TABLE(of, mediatek_gsw_match);
+
+int mtk_gsw_init(struct fe_priv *priv)
+{
+ struct device_node *np = priv->switch_np;
+ struct platform_device *pdev = of_find_device_by_node(np);
+ struct mt7620_gsw *gsw;
+
+ if (!pdev)
+ return -ENODEV;
+
+ if (!of_device_is_compatible(np, mediatek_gsw_match->compatible))
+ return -EINVAL;
+
+ gsw = platform_get_drvdata(pdev);
+ priv->soc->swpriv = gsw;
+
+ if (gsw->irq) {
+ request_irq(gsw->irq, gsw_interrupt_mt7621, 0,
+ "gsw", priv);
+ disable_irq(gsw->irq);
+ }
+
+ mt7621_hw_init(gsw, np);
+
+ if (gsw->irq)
+ enable_irq(gsw->irq);
+
+ return 0;
+}
+
+static int mt7621_gsw_probe(struct platform_device *pdev)
+{
+ struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ struct mt7620_gsw *gsw;
+
+ gsw = devm_kzalloc(&pdev->dev, sizeof(struct mt7620_gsw), GFP_KERNEL);
+ if (!gsw)
+ return -ENOMEM;
+
+ gsw->base = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(gsw->base))
+ return PTR_ERR(gsw->base);
+
+ gsw->dev = &pdev->dev;
+ gsw->irq = platform_get_irq(pdev, 0);
+
+ platform_set_drvdata(pdev, gsw);
+
+ return 0;
+}
+
+static int mt7621_gsw_remove(struct platform_device *pdev)
+{
+ platform_set_drvdata(pdev, NULL);
+
+ return 0;
+}
+
+static struct platform_driver gsw_driver = {
+ .probe = mt7621_gsw_probe,
+ .remove = mt7621_gsw_remove,
+ .driver = {
+ .name = "mt7621-gsw",
+ .owner = THIS_MODULE,
+ .of_match_table = mediatek_gsw_match,
+ },
+};
+
+module_platform_driver(gsw_driver);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("John Crispin <blogic@openwrt.org>");
+MODULE_DESCRIPTION("GBit switch driver for Mediatek MT7621 SoC");
+MODULE_VERSION(MTK_FE_DRV_VERSION);
diff --git a/target/linux/ramips/files/drivers/net/ethernet/ralink/mdio.c b/target/linux/ramips/files/drivers/net/ethernet/ralink/mdio.c
new file mode 100644
index 0000000000..28c9250162
--- /dev/null
+++ b/target/linux/ramips/files/drivers/net/ethernet/ralink/mdio.c
@@ -0,0 +1,267 @@
+/* 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
+ *
+ * Copyright (C) 2009-2015 John Crispin <blogic@openwrt.org>
+ * Copyright (C) 2009-2015 Felix Fietkau <nbd@nbd.name>
+ * Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com>
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/phy.h>
+#include <linux/of_net.h>
+#include <linux/of_mdio.h>
+
+#include "mtk_eth_soc.h"
+#include "mdio.h"
+
+static int fe_mdio_reset(struct mii_bus *bus)
+{
+ /* TODO */
+ return 0;
+}
+
+static void fe_phy_link_adjust(struct net_device *dev)
+{
+ struct fe_priv *priv = netdev_priv(dev);
+ unsigned long flags;
+ int i;
+
+ spin_lock_irqsave(&priv->phy->lock, flags);
+ for (i = 0; i < 8; i++) {
+ if (priv->phy->phy_node[i]) {
+ struct phy_device *phydev = priv->phy->phy[i];
+ int status_change = 0;
+
+ if (phydev->link)
+ if (priv->phy->duplex[i] != phydev->duplex ||
+ priv->phy->speed[i] != phydev->speed)
+ status_change = 1;
+
+ if (phydev->link != priv->link[i])
+ status_change = 1;
+
+ switch (phydev->speed) {
+ case SPEED_1000:
+ case SPEED_100:
+ case SPEED_10:
+ priv->link[i] = phydev->link;
+ priv->phy->duplex[i] = phydev->duplex;
+ priv->phy->speed[i] = phydev->speed;
+
+ if (status_change &&
+ priv->soc->mdio_adjust_link)
+ priv->soc->mdio_adjust_link(priv, i);
+ break;
+ }
+ }
+ }
+ spin_unlock_irqrestore(&priv->phy->lock, flags);
+}
+
+int fe_connect_phy_node(struct fe_priv *priv, struct device_node *phy_node, int port)
+{
+ const __be32 *_phy_addr = NULL;
+ struct phy_device *phydev;
+ int phy_mode;
+
+ _phy_addr = of_get_property(phy_node, "reg", NULL);
+
+ if (!_phy_addr || (be32_to_cpu(*_phy_addr) >= 0x20)) {
+ pr_err("%s: invalid phy id\n", phy_node->name);
+ return -EINVAL;
+ }
+
+ phy_mode = of_get_phy_mode(phy_node);
+ if (phy_mode < 0) {
+ dev_err(priv->dev, "incorrect phy-mode %d\n", phy_mode);
+ priv->phy->phy_node[port] = NULL;
+ return -EINVAL;
+ }
+
+ phydev = of_phy_connect(priv->netdev, phy_node, fe_phy_link_adjust,
+ 0, phy_mode);
+ if (!phydev) {
+ dev_err(priv->dev, "could not connect to PHY\n");
+ priv->phy->phy_node[port] = NULL;
+ return -ENODEV;
+ }
+
+ phydev->supported &= PHY_GBIT_FEATURES;
+ phydev->advertising = phydev->supported;
+ phydev->no_auto_carrier_off = 1;
+
+ dev_info(priv->dev,
+ "connected port %d to PHY at %s [uid=%08x, driver=%s]\n",
+ port, dev_name(&phydev->mdio.dev), phydev->phy_id,
+ phydev->drv->name);
+
+ priv->phy->phy[port] = phydev;
+ priv->link[port] = 0;
+
+ return 0;
+}
+
+static void phy_init(struct fe_priv *priv, struct phy_device *phy)
+{
+ phy_attach(priv->netdev, dev_name(&phy->mdio.dev), PHY_INTERFACE_MODE_MII);
+
+ phy->autoneg = AUTONEG_ENABLE;
+ phy->speed = 0;
+ phy->duplex = 0;
+ phy->supported &= IS_ENABLED(CONFIG_NET_RALINK_MDIO_MT7620) ?
+ PHY_GBIT_FEATURES : PHY_BASIC_FEATURES;
+ phy->advertising = phy->supported | ADVERTISED_Autoneg;
+
+ phy_start_aneg(phy);
+}
+
+static int fe_phy_connect(struct fe_priv *priv)
+{
+ int i;
+
+ for (i = 0; i < 8; i++) {
+ if (priv->phy->phy_node[i]) {
+ if (!priv->phy_dev) {
+ priv->phy_dev = priv->phy->phy[i];
+ priv->phy_flags = FE_PHY_FLAG_PORT;
+ }
+ } else if (priv->mii_bus) {
+ struct phy_device *phydev;
+
+ phydev = mdiobus_get_phy(priv->mii_bus, i);
+ if (!phydev || phydev->attached_dev)
+ continue;
+
+ phy_init(priv, phydev);
+ if (!priv->phy_dev) {
+ priv->phy_dev = mdiobus_get_phy(priv->mii_bus, i);
+ priv->phy_flags = FE_PHY_FLAG_ATTACH;
+ }
+ }
+ }
+
+ return 0;
+}
+
+static void fe_phy_disconnect(struct fe_priv *priv)
+{
+ unsigned long flags;
+ int i;
+
+ for (i = 0; i < 8; i++)
+ if (priv->phy->phy_fixed[i]) {
+ spin_lock_irqsave(&priv->phy->lock, flags);
+ priv->link[i] = 0;
+ if (priv->soc->mdio_adjust_link)
+ priv->soc->mdio_adjust_link(priv, i);
+ spin_unlock_irqrestore(&priv->phy->lock, flags);
+ } else if (priv->phy->phy[i]) {
+ phy_disconnect(priv->phy->phy[i]);
+ } else if (priv->mii_bus && mdiobus_get_phy(priv->mii_bus, i)) {
+ phy_detach(mdiobus_get_phy(priv->mii_bus, i));
+ }
+}
+
+static void fe_phy_start(struct fe_priv *priv)
+{
+ unsigned long flags;
+ int i;
+
+ for (i = 0; i < 8; i++) {
+ if (priv->phy->phy_fixed[i]) {
+ spin_lock_irqsave(&priv->phy->lock, flags);
+ priv->link[i] = 1;
+ if (priv->soc->mdio_adjust_link)
+ priv->soc->mdio_adjust_link(priv, i);
+ spin_unlock_irqrestore(&priv->phy->lock, flags);
+ } else if (priv->phy->phy[i]) {
+ phy_start(priv->phy->phy[i]);
+ }
+ }
+}
+
+static void fe_phy_stop(struct fe_priv *priv)
+{
+ unsigned long flags;
+ int i;
+
+ for (i = 0; i < 8; i++)
+ if (priv->phy->phy_fixed[i]) {
+ spin_lock_irqsave(&priv->phy->lock, flags);
+ priv->link[i] = 0;
+ if (priv->soc->mdio_adjust_link)
+ priv->soc->mdio_adjust_link(priv, i);
+ spin_unlock_irqrestore(&priv->phy->lock, flags);
+ } else if (priv->phy->phy[i]) {
+ phy_stop(priv->phy->phy[i]);
+ }
+}
+
+static struct fe_phy phy_ralink = {
+ .connect = fe_phy_connect,
+ .disconnect = fe_phy_disconnect,
+ .start = fe_phy_start,
+ .stop = fe_phy_stop,
+};
+
+int fe_mdio_init(struct fe_priv *priv)
+{
+ struct device_node *mii_np;
+ int err;
+
+ if (!priv->soc->mdio_read || !priv->soc->mdio_write)
+ return 0;
+
+ spin_lock_init(&phy_ralink.lock);
+ priv->phy = &phy_ralink;
+
+ mii_np = of_get_child_by_name(priv->dev->of_node, "mdio-bus");
+ if (!mii_np) {
+ dev_err(priv->dev, "no %s child node found", "mdio-bus");
+ return -ENODEV;
+ }
+
+ if (!of_device_is_available(mii_np)) {
+ err = 0;
+ goto err_put_node;
+ }
+
+ priv->mii_bus = mdiobus_alloc();
+ if (!priv->mii_bus) {
+ err = -ENOMEM;
+ goto err_put_node;
+ }
+
+ priv->mii_bus->name = "mdio";
+ priv->mii_bus->read = priv->soc->mdio_read;
+ priv->mii_bus->write = priv->soc->mdio_write;
+ priv->mii_bus->reset = fe_mdio_reset;
+ priv->mii_bus->priv = priv;
+ priv->mii_bus->parent = priv->dev;
+
+ snprintf(priv->mii_bus->id, MII_BUS_ID_SIZE, "%s", mii_np->name);
+ err = of_mdiobus_register(priv->mii_bus, mii_np);
+ if (err)
+ goto err_free_bus;
+
+ return 0;
+
+err_free_bus:
+ kfree(priv->mii_bus);
+err_put_node:
+ of_node_put(mii_np);
+ priv->mii_bus = NULL;
+ return err;
+}
+
+void fe_mdio_cleanup(struct fe_priv *priv)
+{
+ if (!priv->mii_bus)
+ return;
+
+ mdiobus_unregister(priv->mii_bus);
+ of_node_put(priv->mii_bus->dev.of_node);
+ kfree(priv->mii_bus);
+}
diff --git a/target/linux/ramips/files/drivers/net/ethernet/ralink/mdio.h b/target/linux/ramips/files/drivers/net/ethernet/ralink/mdio.h
new file mode 100644
index 0000000000..d4a2a40473
--- /dev/null
+++ b/target/linux/ramips/files/drivers/net/ethernet/ralink/mdio.h
@@ -0,0 +1,28 @@
+/* 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@nbd.name>
+ * Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com>
+ */
+
+#ifndef _RALINK_MDIO_H__
+#define _RALINK_MDIO_H__
+
+#ifdef CONFIG_NET_RALINK_MDIO
+int fe_mdio_init(struct fe_priv *priv);
+void fe_mdio_cleanup(struct fe_priv *priv);
+int fe_connect_phy_node(struct fe_priv *priv,
+ struct device_node *phy_node,
+ int port);
+#else
+static inline int fe_mdio_init(struct fe_priv *priv) { return 0; }
+static inline void fe_mdio_cleanup(struct fe_priv *priv) {}
+#endif
+#endif
diff --git a/target/linux/ramips/files/drivers/net/ethernet/ralink/mdio_mt7620.c b/target/linux/ramips/files/drivers/net/ethernet/ralink/mdio_mt7620.c
new file mode 100644
index 0000000000..9efe7896a5
--- /dev/null
+++ b/target/linux/ramips/files/drivers/net/ethernet/ralink/mdio_mt7620.c
@@ -0,0 +1,168 @@
+/* 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@nbd.name>
+ * Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com>
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/types.h>
+
+#include "mtk_eth_soc.h"
+#include "gsw_mt7620.h"
+#include "mdio.h"
+
+static int mt7620_mii_busy_wait(struct mt7620_gsw *gsw)
+{
+ unsigned long t_start = jiffies;
+
+ while (1) {
+ if (!(mtk_switch_r32(gsw, MT7620A_GSW_REG_PIAC) & GSW_MDIO_ACCESS))
+ return 0;
+ if (time_after(jiffies, t_start + GSW_REG_PHY_TIMEOUT))
+ break;
+ }
+
+ dev_err(gsw->dev, "mdio: MDIO timeout\n");
+ return -1;
+}
+
+u32 _mt7620_mii_write(struct mt7620_gsw *gsw, u32 phy_addr,
+ u32 phy_register, u32 write_data)
+{
+ if (mt7620_mii_busy_wait(gsw))
+ return -1;
+
+ write_data &= 0xffff;
+
+ mtk_switch_w32(gsw, GSW_MDIO_ACCESS | GSW_MDIO_START | GSW_MDIO_WRITE |
+ (phy_register << GSW_MDIO_REG_SHIFT) |
+ (phy_addr << GSW_MDIO_ADDR_SHIFT) | write_data,
+ MT7620A_GSW_REG_PIAC);
+
+ if (mt7620_mii_busy_wait(gsw))
+ return -1;
+
+ return 0;
+}
+
+u32 _mt7620_mii_read(struct mt7620_gsw *gsw, int phy_addr, int phy_reg)
+{
+ u32 d;
+
+ if (mt7620_mii_busy_wait(gsw))
+ return 0xffff;
+
+ mtk_switch_w32(gsw, GSW_MDIO_ACCESS | GSW_MDIO_START | GSW_MDIO_READ |
+ (phy_reg << GSW_MDIO_REG_SHIFT) |
+ (phy_addr << GSW_MDIO_ADDR_SHIFT),
+ MT7620A_GSW_REG_PIAC);
+
+ if (mt7620_mii_busy_wait(gsw))
+ return 0xffff;
+
+ d = mtk_switch_r32(gsw, MT7620A_GSW_REG_PIAC) & 0xffff;
+
+ return d;
+}
+
+int mt7620_mdio_write(struct mii_bus *bus, int phy_addr, int phy_reg, u16 val)
+{
+ struct fe_priv *priv = bus->priv;
+ struct mt7620_gsw *gsw = (struct mt7620_gsw *)priv->soc->swpriv;
+
+ return _mt7620_mii_write(gsw, phy_addr, phy_reg, val);
+}
+
+int mt7620_mdio_read(struct mii_bus *bus, int phy_addr, int phy_reg)
+{
+ struct fe_priv *priv = bus->priv;
+ struct mt7620_gsw *gsw = (struct mt7620_gsw *)priv->soc->swpriv;
+
+ return _mt7620_mii_read(gsw, phy_addr, phy_reg);
+}
+
+void mt7530_mdio_w32(struct mt7620_gsw *gsw, u32 reg, u32 val)
+{
+ _mt7620_mii_write(gsw, 0x1f, 0x1f, (reg >> 6) & 0x3ff);
+ _mt7620_mii_write(gsw, 0x1f, (reg >> 2) & 0xf, val & 0xffff);
+ _mt7620_mii_write(gsw, 0x1f, 0x10, val >> 16);
+}
+
+u32 mt7530_mdio_r32(struct mt7620_gsw *gsw, u32 reg)
+{
+ u16 high, low;
+
+ _mt7620_mii_write(gsw, 0x1f, 0x1f, (reg >> 6) & 0x3ff);
+ low = _mt7620_mii_read(gsw, 0x1f, (reg >> 2) & 0xf);
+ high = _mt7620_mii_read(gsw, 0x1f, 0x10);
+
+ return (high << 16) | (low & 0xffff);
+}
+
+static unsigned char *fe_speed_str(int speed)
+{
+ switch (speed) {
+ case 2:
+ case SPEED_1000:
+ return "1000";
+ case 1:
+ case SPEED_100:
+ return "100";
+ case 0:
+ case SPEED_10:
+ return "10";
+ }
+
+ return "? ";
+}
+
+int mt7620_has_carrier(struct fe_priv *priv)
+{
+ struct mt7620_gsw *gsw = (struct mt7620_gsw *)priv->soc->swpriv;
+ int i;
+
+ for (i = 0; i < GSW_PORT6; i++)
+ if (mtk_switch_r32(gsw, GSW_REG_PORT_STATUS(i)) & 0x1)
+ return 1;
+ return 0;
+}
+
+
+void mt7620_handle_carrier(struct fe_priv *priv)
+{
+ if (!priv->phy)
+ return;
+
+ if (mt7620_has_carrier(priv))
+ netif_carrier_on(priv->netdev);
+ else
+ netif_carrier_off(priv->netdev);
+}
+
+void mt7620_print_link_state(struct fe_priv *priv, int port, int link,
+ int speed, int duplex)
+{
+ if (link)
+ netdev_info(priv->netdev, "port %d link up (%sMbps/%s duplex)\n",
+ port, fe_speed_str(speed),
+ (duplex) ? "Full" : "Half");
+ else
+ netdev_info(priv->netdev, "port %d link down\n", port);
+}
+
+void mt7620_mdio_link_adjust(struct fe_priv *priv, int port)
+{
+ mt7620_print_link_state(priv, port, priv->link[port],
+ priv->phy->speed[port],
+ (priv->phy->duplex[port] == DUPLEX_FULL));
+ mt7620_handle_carrier(priv);
+}
diff --git a/target/linux/ramips/files/drivers/net/ethernet/ralink/mdio_rt2880.c b/target/linux/ramips/files/drivers/net/ethernet/ralink/mdio_rt2880.c
new file mode 100644
index 0000000000..8d82c8f7ad
--- /dev/null
+++ b/target/linux/ramips/files/drivers/net/ethernet/ralink/mdio_rt2880.c
@@ -0,0 +1,222 @@
+/* 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@nbd.name>
+ * Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com>
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/of_net.h>
+#include <linux/of_mdio.h>
+
+#include "mtk_eth_soc.h"
+#include "mdio_rt2880.h"
+#include "mdio.h"
+
+#define FE_MDIO_RETRY 1000
+
+static unsigned char *rt2880_speed_str(struct fe_priv *priv)
+{
+ switch (priv->phy->speed[0]) {
+ case SPEED_1000:
+ return "1000";
+ case SPEED_100:
+ return "100";
+ case SPEED_10:
+ return "10";
+ }
+
+ return "?";
+}
+
+void rt2880_mdio_link_adjust(struct fe_priv *priv, int port)
+{
+ u32 mdio_cfg;
+
+ if (!priv->link[0]) {
+ netif_carrier_off(priv->netdev);
+ netdev_info(priv->netdev, "link down\n");
+ return;
+ }
+
+ mdio_cfg = FE_MDIO_CFG_TX_CLK_SKEW_200 |
+ FE_MDIO_CFG_RX_CLK_SKEW_200 |
+ FE_MDIO_CFG_GP1_FRC_EN;
+
+ if (priv->phy->duplex[0] == DUPLEX_FULL)
+ mdio_cfg |= FE_MDIO_CFG_GP1_DUPLEX;
+
+ if (priv->phy->tx_fc[0])
+ mdio_cfg |= FE_MDIO_CFG_GP1_FC_TX;
+
+ if (priv->phy->rx_fc[0])
+ mdio_cfg |= FE_MDIO_CFG_GP1_FC_RX;
+
+ switch (priv->phy->speed[0]) {
+ case SPEED_10:
+ mdio_cfg |= FE_MDIO_CFG_GP1_SPEED_10;
+ break;
+ case SPEED_100:
+ mdio_cfg |= FE_MDIO_CFG_GP1_SPEED_100;
+ break;
+ case SPEED_1000:
+ mdio_cfg |= FE_MDIO_CFG_GP1_SPEED_1000;
+ break;
+ default:
+ BUG();
+ }
+
+ fe_w32(mdio_cfg, FE_MDIO_CFG);
+
+ netif_carrier_on(priv->netdev);
+ netdev_info(priv->netdev, "link up (%sMbps/%s duplex)\n",
+ rt2880_speed_str(priv),
+ (priv->phy->duplex[0] == DUPLEX_FULL) ? "Full" : "Half");
+}
+
+static int rt2880_mdio_wait_ready(struct fe_priv *priv)
+{
+ int retries;
+
+ retries = FE_MDIO_RETRY;
+ while (1) {
+ u32 t;
+
+ t = fe_r32(FE_MDIO_ACCESS);
+ if ((t & BIT(31)) == 0)
+ return 0;
+
+ if (retries-- == 0)
+ break;
+
+ udelay(1);
+ }
+
+ dev_err(priv->dev, "MDIO operation timed out\n");
+ return -ETIMEDOUT;
+}
+
+int rt2880_mdio_read(struct mii_bus *bus, int phy_addr, int phy_reg)
+{
+ struct fe_priv *priv = bus->priv;
+ int err;
+ u32 t;
+
+ err = rt2880_mdio_wait_ready(priv);
+ if (err)
+ return 0xffff;
+
+ t = (phy_addr << 24) | (phy_reg << 16);
+ fe_w32(t, FE_MDIO_ACCESS);
+ t |= BIT(31);
+ fe_w32(t, FE_MDIO_ACCESS);
+
+ err = rt2880_mdio_wait_ready(priv);
+ if (err)
+ return 0xffff;
+
+ pr_debug("%s: addr=%04x, reg=%04x, value=%04x\n", __func__,
+ phy_addr, phy_reg, fe_r32(FE_MDIO_ACCESS) & 0xffff);
+
+ return fe_r32(FE_MDIO_ACCESS) & 0xffff;
+}
+
+int rt2880_mdio_write(struct mii_bus *bus, int phy_addr, int phy_reg, u16 val)
+{
+ struct fe_priv *priv = bus->priv;
+ int err;
+ u32 t;
+
+ pr_debug("%s: addr=%04x, reg=%04x, value=%04x\n", __func__,
+ phy_addr, phy_reg, fe_r32(FE_MDIO_ACCESS) & 0xffff);
+
+ err = rt2880_mdio_wait_ready(priv);
+ if (err)
+ return err;
+
+ t = (1 << 30) | (phy_addr << 24) | (phy_reg << 16) | val;
+ fe_w32(t, FE_MDIO_ACCESS);
+ t |= BIT(31);
+ fe_w32(t, FE_MDIO_ACCESS);
+
+ return rt2880_mdio_wait_ready(priv);
+}
+
+void rt2880_port_init(struct fe_priv *priv, struct device_node *np)
+{
+ const __be32 *id = of_get_property(np, "reg", NULL);
+ const __be32 *link;
+ int size;
+ int phy_mode;
+
+ if (!id || (be32_to_cpu(*id) != 0)) {
+ pr_err("%s: invalid port id\n", np->name);
+ return;
+ }
+
+ priv->phy->phy_fixed[0] = of_get_property(np,
+ "mediatek,fixed-link", &size);
+ if (priv->phy->phy_fixed[0] &&
+ (size != (4 * sizeof(*priv->phy->phy_fixed[0])))) {
+ pr_err("%s: invalid fixed link property\n", np->name);
+ priv->phy->phy_fixed[0] = NULL;
+ return;
+ }
+
+ phy_mode = of_get_phy_mode(np);
+ switch (phy_mode) {
+ case PHY_INTERFACE_MODE_RGMII:
+ break;
+ case PHY_INTERFACE_MODE_MII:
+ break;
+ case PHY_INTERFACE_MODE_RMII:
+ break;
+ default:
+ if (!priv->phy->phy_fixed[0])
+ dev_err(priv->dev, "port %d - invalid phy mode\n",
+ priv->phy->speed[0]);
+ break;
+ }
+
+ priv->phy->phy_node[0] = of_parse_phandle(np, "phy-handle", 0);
+ if (!priv->phy->phy_node[0] && !priv->phy->phy_fixed[0])
+ return;
+
+ if (priv->phy->phy_fixed[0]) {
+ link = priv->phy->phy_fixed[0];
+ priv->phy->speed[0] = be32_to_cpup(link++);
+ priv->phy->duplex[0] = be32_to_cpup(link++);
+ priv->phy->tx_fc[0] = be32_to_cpup(link++);
+ priv->phy->rx_fc[0] = be32_to_cpup(link++);
+
+ priv->link[0] = 1;
+ switch (priv->phy->speed[0]) {
+ case SPEED_10:
+ break;
+ case SPEED_100:
+ break;
+ case SPEED_1000:
+ break;
+ default:
+ dev_err(priv->dev, "invalid link speed: %d\n",
+ priv->phy->speed[0]);
+ priv->phy->phy_fixed[0] = 0;
+ return;
+ }
+ dev_info(priv->dev, "using fixed link parameters\n");
+ rt2880_mdio_link_adjust(priv, 0);
+ return;
+ }
+
+ if (priv->phy->phy_node[0] && mdiobus_get_phy(priv->mii_bus, 0))
+ fe_connect_phy_node(priv, priv->phy->phy_node[0], 0);
+}
diff --git a/target/linux/ramips/files/drivers/net/ethernet/ralink/mdio_rt2880.h b/target/linux/ramips/files/drivers/net/ethernet/ralink/mdio_rt2880.h
new file mode 100644
index 0000000000..70e344283e
--- /dev/null
+++ b/target/linux/ramips/files/drivers/net/ethernet/ralink/mdio_rt2880.h
@@ -0,0 +1,23 @@
+/* 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@nbd.name>
+ * Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com>
+ */
+
+#ifndef _RALINK_MDIO_RT2880_H__
+#define _RALINK_MDIO_RT2880_H__
+
+void rt2880_mdio_link_adjust(struct fe_priv *priv, int port);
+int rt2880_mdio_read(struct mii_bus *bus, int phy_addr, int phy_reg);
+int rt2880_mdio_write(struct mii_bus *bus, int phy_addr, int phy_reg, u16 val);
+void rt2880_port_init(struct fe_priv *priv, struct device_node *np);
+
+#endif
diff --git a/target/linux/ramips/files/drivers/net/ethernet/ralink/mt7530.c b/target/linux/ramips/files/drivers/net/ethernet/ralink/mt7530.c
new file mode 100644
index 0000000000..d1e56a76e9
--- /dev/null
+++ b/target/linux/ramips/files/drivers/net/ethernet/ralink/mt7530.c
@@ -0,0 +1,1120 @@
+/*
+ * 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; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * 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) 2013 John Crispin <blogic@openwrt.org>
+ * Copyright (C) 2016 Vitaly Chekryzhev <13hakta@gmail.com>
+ */
+
+#include <linux/if.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/list.h>
+#include <linux/if_ether.h>
+#include <linux/skbuff.h>
+#include <linux/netdevice.h>
+#include <linux/netlink.h>
+#include <linux/bitops.h>
+#include <net/genetlink.h>
+#include <linux/switch.h>
+#include <linux/delay.h>
+#include <linux/phy.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/lockdep.h>
+#include <linux/workqueue.h>
+#include <linux/of_device.h>
+
+#include "mt7530.h"
+
+#define MT7530_CPU_PORT 6
+#define MT7530_NUM_PORTS 8
+#ifdef CONFIG_SOC_MT7621
+#define MT7530_NUM_VLANS 4095
+#else
+#define MT7530_NUM_VLANS 16
+#endif
+#define MT7530_MAX_VID 4095
+#define MT7530_MIN_VID 0
+
+#define MT7530_PORT_MIB_TXB_ID 2 /* TxGOC */
+#define MT7530_PORT_MIB_RXB_ID 6 /* RxGOC */
+
+#define MT7621_PORT_MIB_TXB_ID 18 /* TxByte */
+#define MT7621_PORT_MIB_RXB_ID 37 /* RxByte */
+
+/* registers */
+#define REG_ESW_WT_MAC_MFC 0x10
+
+#define REG_ESW_WT_MAC_MFC_MIRROR_ENABLE BIT(3)
+#define REG_ESW_WT_MAC_MFC_MIRROR_DEST_MASK 0x07
+
+#define REG_ESW_VLAN_VTCR 0x90
+#define REG_ESW_VLAN_VAWD1 0x94
+#define REG_ESW_VLAN_VAWD2 0x98
+#define REG_ESW_VLAN_VTIM(x) (0x100 + 4 * ((x) / 2))
+
+#define REG_ESW_VLAN_VAWD1_IVL_MAC BIT(30)
+#define REG_ESW_VLAN_VAWD1_VTAG_EN BIT(28)
+#define REG_ESW_VLAN_VAWD1_VALID BIT(0)
+
+/* vlan egress mode */
+enum {
+ ETAG_CTRL_UNTAG = 0,
+ ETAG_CTRL_TAG = 2,
+ ETAG_CTRL_SWAP = 1,
+ ETAG_CTRL_STACK = 3,
+};
+
+#define REG_ESW_PORT_PCR(x) (0x2004 | ((x) << 8))
+#define REG_ESW_PORT_PVC(x) (0x2010 | ((x) << 8))
+#define REG_ESW_PORT_PPBV1(x) (0x2014 | ((x) << 8))
+
+#define REG_ESW_PORT_PCR_MIRROR_SRC_RX_BIT BIT(8)
+#define REG_ESW_PORT_PCR_MIRROR_SRC_TX_BIT BIT(9)
+#define REG_ESW_PORT_PCR_MIRROR_SRC_RX_MASK 0x0100
+#define REG_ESW_PORT_PCR_MIRROR_SRC_TX_MASK 0x0200
+
+#define REG_HWTRAP 0x7804
+
+#define MIB_DESC(_s , _o, _n) \
+ { \
+ .size = (_s), \
+ .offset = (_o), \
+ .name = (_n), \
+ }
+
+struct mt7xxx_mib_desc {
+ unsigned int size;
+ unsigned int offset;
+ const char *name;
+};
+
+static const struct mt7xxx_mib_desc mt7620_mibs[] = {
+ MIB_DESC(1, MT7620_MIB_STATS_PPE_AC_BCNT0, "PPE_AC_BCNT0"),
+ MIB_DESC(1, MT7620_MIB_STATS_PPE_AC_PCNT0, "PPE_AC_PCNT0"),
+ MIB_DESC(1, MT7620_MIB_STATS_PPE_AC_BCNT63, "PPE_AC_BCNT63"),
+ MIB_DESC(1, MT7620_MIB_STATS_PPE_AC_PCNT63, "PPE_AC_PCNT63"),
+ MIB_DESC(1, MT7620_MIB_STATS_PPE_MTR_CNT0, "PPE_MTR_CNT0"),
+ MIB_DESC(1, MT7620_MIB_STATS_PPE_MTR_CNT63, "PPE_MTR_CNT63"),
+ MIB_DESC(1, MT7620_MIB_STATS_GDM1_TX_GBCNT, "GDM1_TX_GBCNT"),
+ MIB_DESC(1, MT7620_MIB_STATS_GDM1_TX_GPCNT, "GDM1_TX_GPCNT"),
+ MIB_DESC(1, MT7620_MIB_STATS_GDM1_TX_SKIPCNT, "GDM1_TX_SKIPCNT"),
+ MIB_DESC(1, MT7620_MIB_STATS_GDM1_TX_COLCNT, "GDM1_TX_COLCNT"),
+ MIB_DESC(1, MT7620_MIB_STATS_GDM1_RX_GBCNT1, "GDM1_RX_GBCNT1"),
+ MIB_DESC(1, MT7620_MIB_STATS_GDM1_RX_GPCNT1, "GDM1_RX_GPCNT1"),
+ MIB_DESC(1, MT7620_MIB_STATS_GDM1_RX_OERCNT, "GDM1_RX_OERCNT"),
+ MIB_DESC(1, MT7620_MIB_STATS_GDM1_RX_FERCNT, "GDM1_RX_FERCNT"),
+ MIB_DESC(1, MT7620_MIB_STATS_GDM1_RX_SERCNT, "GDM1_RX_SERCNT"),
+ MIB_DESC(1, MT7620_MIB_STATS_GDM1_RX_LERCNT, "GDM1_RX_LERCNT"),
+ MIB_DESC(1, MT7620_MIB_STATS_GDM1_RX_CERCNT, "GDM1_RX_CERCNT"),
+ MIB_DESC(1, MT7620_MIB_STATS_GDM1_RX_FCCNT, "GDM1_RX_FCCNT"),
+ MIB_DESC(1, MT7620_MIB_STATS_GDM2_TX_GBCNT, "GDM2_TX_GBCNT"),
+ MIB_DESC(1, MT7620_MIB_STATS_GDM2_TX_GPCNT, "GDM2_TX_GPCNT"),
+ MIB_DESC(1, MT7620_MIB_STATS_GDM2_TX_SKIPCNT, "GDM2_TX_SKIPCNT"),
+ MIB_DESC(1, MT7620_MIB_STATS_GDM2_TX_COLCNT, "GDM2_TX_COLCNT"),
+ MIB_DESC(1, MT7620_MIB_STATS_GDM2_RX_GBCNT, "GDM2_RX_GBCNT"),
+ MIB_DESC(1, MT7620_MIB_STATS_GDM2_RX_GPCNT, "GDM2_RX_GPCNT"),
+ MIB_DESC(1, MT7620_MIB_STATS_GDM2_RX_OERCNT, "GDM2_RX_OERCNT"),
+ MIB_DESC(1, MT7620_MIB_STATS_GDM2_RX_FERCNT, "GDM2_RX_FERCNT"),
+ MIB_DESC(1, MT7620_MIB_STATS_GDM2_RX_SERCNT, "GDM2_RX_SERCNT"),
+ MIB_DESC(1, MT7620_MIB_STATS_GDM2_RX_LERCNT, "GDM2_RX_LERCNT"),
+ MIB_DESC(1, MT7620_MIB_STATS_GDM2_RX_CERCNT, "GDM2_RX_CERCNT"),
+ MIB_DESC(1, MT7620_MIB_STATS_GDM2_RX_FCCNT, "GDM2_RX_FCCNT")
+};
+
+static const struct mt7xxx_mib_desc mt7620_port_mibs[] = {
+ MIB_DESC(1, MT7620_MIB_STATS_PORT_TGPCN, "TxGPC"),
+ MIB_DESC(1, MT7620_MIB_STATS_PORT_TBOCN, "TxBOC"),
+ MIB_DESC(1, MT7620_MIB_STATS_PORT_TGOCN, "TxGOC"),
+ MIB_DESC(1, MT7620_MIB_STATS_PORT_TEPCN, "TxEPC"),
+ MIB_DESC(1, MT7620_MIB_STATS_PORT_RGPCN, "RxGPC"),
+ MIB_DESC(1, MT7620_MIB_STATS_PORT_RBOCN, "RxBOC"),
+ MIB_DESC(1, MT7620_MIB_STATS_PORT_RGOCN, "RxGOC"),
+ MIB_DESC(1, MT7620_MIB_STATS_PORT_REPC1N, "RxEPC1"),
+ MIB_DESC(1, MT7620_MIB_STATS_PORT_REPC2N, "RxEPC2")
+};
+
+static const struct mt7xxx_mib_desc mt7621_mibs[] = {
+ MIB_DESC(1, MT7621_STATS_TDPC, "TxDrop"),
+ MIB_DESC(1, MT7621_STATS_TCRC, "TxCRC"),
+ MIB_DESC(1, MT7621_STATS_TUPC, "TxUni"),
+ MIB_DESC(1, MT7621_STATS_TMPC, "TxMulti"),
+ MIB_DESC(1, MT7621_STATS_TBPC, "TxBroad"),
+ MIB_DESC(1, MT7621_STATS_TCEC, "TxCollision"),
+ MIB_DESC(1, MT7621_STATS_TSCEC, "TxSingleCol"),
+ MIB_DESC(1, MT7621_STATS_TMCEC, "TxMultiCol"),
+ MIB_DESC(1, MT7621_STATS_TDEC, "TxDefer"),
+ MIB_DESC(1, MT7621_STATS_TLCEC, "TxLateCol"),
+ MIB_DESC(1, MT7621_STATS_TXCEC, "TxExcCol"),
+ MIB_DESC(1, MT7621_STATS_TPPC, "TxPause"),
+ MIB_DESC(1, MT7621_STATS_TL64PC, "Tx64Byte"),
+ MIB_DESC(1, MT7621_STATS_TL65PC, "Tx65Byte"),
+ MIB_DESC(1, MT7621_STATS_TL128PC, "Tx128Byte"),
+ MIB_DESC(1, MT7621_STATS_TL256PC, "Tx256Byte"),
+ MIB_DESC(1, MT7621_STATS_TL512PC, "Tx512Byte"),
+ MIB_DESC(1, MT7621_STATS_TL1024PC, "Tx1024Byte"),
+ MIB_DESC(2, MT7621_STATS_TOC, "TxByte"),
+ MIB_DESC(1, MT7621_STATS_RDPC, "RxDrop"),
+ MIB_DESC(1, MT7621_STATS_RFPC, "RxFiltered"),
+ MIB_DESC(1, MT7621_STATS_RUPC, "RxUni"),
+ MIB_DESC(1, MT7621_STATS_RMPC, "RxMulti"),
+ MIB_DESC(1, MT7621_STATS_RBPC, "RxBroad"),
+ MIB_DESC(1, MT7621_STATS_RAEPC, "RxAlignErr"),
+ MIB_DESC(1, MT7621_STATS_RCEPC, "RxCRC"),
+ MIB_DESC(1, MT7621_STATS_RUSPC, "RxUnderSize"),
+ MIB_DESC(1, MT7621_STATS_RFEPC, "RxFragment"),
+ MIB_DESC(1, MT7621_STATS_ROSPC, "RxOverSize"),
+ MIB_DESC(1, MT7621_STATS_RJEPC, "RxJabber"),
+ MIB_DESC(1, MT7621_STATS_RPPC, "RxPause"),
+ MIB_DESC(1, MT7621_STATS_RL64PC, "Rx64Byte"),
+ MIB_DESC(1, MT7621_STATS_RL65PC, "Rx65Byte"),
+ MIB_DESC(1, MT7621_STATS_RL128PC, "Rx128Byte"),
+ MIB_DESC(1, MT7621_STATS_RL256PC, "Rx256Byte"),
+ MIB_DESC(1, MT7621_STATS_RL512PC, "Rx512Byte"),
+ MIB_DESC(1, MT7621_STATS_RL1024PC, "Rx1024Byte"),
+ MIB_DESC(2, MT7621_STATS_ROC, "RxByte"),
+ MIB_DESC(1, MT7621_STATS_RDPC_CTRL, "RxCtrlDrop"),
+ MIB_DESC(1, MT7621_STATS_RDPC_ING, "RxIngDrop"),
+ MIB_DESC(1, MT7621_STATS_RDPC_ARL, "RxARLDrop")
+};
+
+enum {
+ /* Global attributes. */
+ MT7530_ATTR_ENABLE_VLAN,
+};
+
+struct mt7530_port_entry {
+ u16 pvid;
+ bool mirror_rx;
+ bool mirror_tx;
+};
+
+struct mt7530_vlan_entry {
+ u16 vid;
+ u8 member;
+ u8 etags;
+};
+
+struct mt7530_priv {
+ void __iomem *base;
+ struct mii_bus *bus;
+ struct switch_dev swdev;
+
+ u8 mirror_dest_port;
+ bool global_vlan_enable;
+ struct mt7530_vlan_entry vlan_entries[MT7530_NUM_VLANS];
+ struct mt7530_port_entry port_entries[MT7530_NUM_PORTS];
+};
+
+struct mt7530_mapping {
+ char *name;
+ u16 pvids[MT7530_NUM_PORTS];
+ u8 members[MT7530_NUM_VLANS];
+ u8 etags[MT7530_NUM_VLANS];
+ u16 vids[MT7530_NUM_VLANS];
+} mt7530_defaults[] = {
+ {
+ .name = "llllw",
+ .pvids = { 1, 1, 1, 1, 2, 1, 1 },
+ .members = { 0, 0x6f, 0x50 },
+ .etags = { 0, 0x40, 0x40 },
+ .vids = { 0, 1, 2 },
+ }, {
+ .name = "wllll",
+ .pvids = { 2, 1, 1, 1, 1, 1, 1 },
+ .members = { 0, 0x7e, 0x41 },
+ .etags = { 0, 0x40, 0x40 },
+ .vids = { 0, 1, 2 },
+ }, {
+ .name = "lwlll",
+ .pvids = { 1, 2, 1, 1, 1, 1, 1 },
+ .members = { 0, 0x7d, 0x42 },
+ .etags = { 0, 0x40, 0x40 },
+ .vids = { 0, 1, 2 },
+ },
+};
+
+struct mt7530_mapping*
+mt7530_find_mapping(struct device_node *np)
+{
+ const char *map;
+ int i;
+
+ if (of_property_read_string(np, "mediatek,portmap", &map))
+ return NULL;
+
+ for (i = 0; i < ARRAY_SIZE(mt7530_defaults); i++)
+ if (!strcmp(map, mt7530_defaults[i].name))
+ return &mt7530_defaults[i];
+
+ return NULL;
+}
+
+static void
+mt7530_apply_mapping(struct mt7530_priv *mt7530, struct mt7530_mapping *map)
+{
+ int i = 0;
+
+ for (i = 0; i < MT7530_NUM_PORTS; i++)
+ mt7530->port_entries[i].pvid = map->pvids[i];
+
+ for (i = 0; i < MT7530_NUM_VLANS; i++) {
+ mt7530->vlan_entries[i].member = map->members[i];
+ mt7530->vlan_entries[i].etags = map->etags[i];
+ mt7530->vlan_entries[i].vid = map->vids[i];
+ }
+}
+
+static int
+mt7530_reset_switch(struct switch_dev *dev)
+{
+ struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
+ int i;
+
+ memset(priv->port_entries, 0, sizeof(priv->port_entries));
+ memset(priv->vlan_entries, 0, sizeof(priv->vlan_entries));
+
+ /* set default vid of each vlan to the same number of vlan, so the vid
+ * won't need be set explicitly.
+ */
+ for (i = 0; i < MT7530_NUM_VLANS; i++) {
+ priv->vlan_entries[i].vid = i;
+ }
+
+ return 0;
+}
+
+static int
+mt7530_get_vlan_enable(struct switch_dev *dev,
+ const struct switch_attr *attr,
+ struct switch_val *val)
+{
+ struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
+
+ val->value.i = priv->global_vlan_enable;
+
+ return 0;
+}
+
+static int
+mt7530_set_vlan_enable(struct switch_dev *dev,
+ const struct switch_attr *attr,
+ struct switch_val *val)
+{
+ struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
+
+ priv->global_vlan_enable = val->value.i != 0;
+
+ return 0;
+}
+
+static u32
+mt7530_r32(struct mt7530_priv *priv, u32 reg)
+{
+ u32 val;
+ if (priv->bus) {
+ u16 high, low;
+
+ mdiobus_write(priv->bus, 0x1f, 0x1f, (reg >> 6) & 0x3ff);
+ low = mdiobus_read(priv->bus, 0x1f, (reg >> 2) & 0xf);
+ high = mdiobus_read(priv->bus, 0x1f, 0x10);
+
+ return (high << 16) | (low & 0xffff);
+ }
+
+ val = ioread32(priv->base + reg);
+ pr_debug("MT7530 MDIO Read [%04x]=%08x\n", reg, val);
+
+ return val;
+}
+
+static void
+mt7530_w32(struct mt7530_priv *priv, u32 reg, u32 val)
+{
+ if (priv->bus) {
+ mdiobus_write(priv->bus, 0x1f, 0x1f, (reg >> 6) & 0x3ff);
+ mdiobus_write(priv->bus, 0x1f, (reg >> 2) & 0xf, val & 0xffff);
+ mdiobus_write(priv->bus, 0x1f, 0x10, val >> 16);
+ return;
+ }
+
+ pr_debug("MT7530 MDIO Write[%04x]=%08x\n", reg, val);
+ iowrite32(val, priv->base + reg);
+}
+
+static void
+mt7530_vtcr(struct mt7530_priv *priv, u32 cmd, u32 val)
+{
+ int i;
+
+ mt7530_w32(priv, REG_ESW_VLAN_VTCR, BIT(31) | (cmd << 12) | val);
+
+ for (i = 0; i < 20; i++) {
+ u32 val = mt7530_r32(priv, REG_ESW_VLAN_VTCR);
+
+ if ((val & BIT(31)) == 0)
+ break;
+
+ udelay(1000);
+ }
+ if (i == 20)
+ printk("mt7530: vtcr timeout\n");
+}
+
+static int
+mt7530_get_port_pvid(struct switch_dev *dev, int port, int *val)
+{
+ struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
+
+ if (port >= MT7530_NUM_PORTS)
+ return -EINVAL;
+
+ *val = mt7530_r32(priv, REG_ESW_PORT_PPBV1(port));
+ *val &= 0xfff;
+
+ return 0;
+}
+
+static int
+mt7530_set_port_pvid(struct switch_dev *dev, int port, int pvid)
+{
+ struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
+
+ if (port >= MT7530_NUM_PORTS)
+ return -EINVAL;
+
+ if (pvid < MT7530_MIN_VID || pvid > MT7530_MAX_VID)
+ return -EINVAL;
+
+ priv->port_entries[port].pvid = pvid;
+
+ return 0;
+}
+
+static int
+mt7530_get_vlan_ports(struct switch_dev *dev, struct switch_val *val)
+{
+ struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
+ u32 member;
+ u32 etags;
+ int i;
+
+ val->len = 0;
+
+ if (val->port_vlan < 0 || val->port_vlan >= MT7530_NUM_VLANS)
+ return -EINVAL;
+
+ mt7530_vtcr(priv, 0, val->port_vlan);
+
+ member = mt7530_r32(priv, REG_ESW_VLAN_VAWD1);
+ member >>= 16;
+ member &= 0xff;
+
+ etags = mt7530_r32(priv, REG_ESW_VLAN_VAWD2);
+
+ for (i = 0; i < MT7530_NUM_PORTS; i++) {
+ struct switch_port *p;
+ int etag;
+
+ if (!(member & BIT(i)))
+ continue;
+
+ p = &val->value.ports[val->len++];
+ p->id = i;
+
+ etag = (etags >> (i * 2)) & 0x3;
+
+ if (etag == ETAG_CTRL_TAG)
+ p->flags |= BIT(SWITCH_PORT_FLAG_TAGGED);
+ else if (etag != ETAG_CTRL_UNTAG)
+ printk("vlan %d port %d egress tag control neither untag nor tag: %d.\n",
+ val->port_vlan, i, etag);
+ }
+
+ return 0;
+}
+
+static int
+mt7530_set_vlan_ports(struct switch_dev *dev, struct switch_val *val)
+{
+ struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
+ u8 member = 0;
+ u8 etags = 0;
+ int i;
+
+ if (val->port_vlan < 0 || val->port_vlan >= MT7530_NUM_VLANS ||
+ val->len > MT7530_NUM_PORTS)
+ return -EINVAL;
+
+ for (i = 0; i < val->len; i++) {
+ struct switch_port *p = &val->value.ports[i];
+
+ if (p->id >= MT7530_NUM_PORTS)
+ return -EINVAL;
+
+ member |= BIT(p->id);
+
+ if (p->flags & BIT(SWITCH_PORT_FLAG_TAGGED))
+ etags |= BIT(p->id);
+ }
+ priv->vlan_entries[val->port_vlan].member = member;
+ priv->vlan_entries[val->port_vlan].etags = etags;
+
+ return 0;
+}
+
+static int
+mt7530_set_vid(struct switch_dev *dev, const struct switch_attr *attr,
+ struct switch_val *val)
+{
+ struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
+ int vlan;
+ u16 vid;
+
+ vlan = val->port_vlan;
+ vid = (u16)val->value.i;
+
+ if (vlan < 0 || vlan >= MT7530_NUM_VLANS)
+ return -EINVAL;
+
+ if (vid < MT7530_MIN_VID || vid > MT7530_MAX_VID)
+ return -EINVAL;
+
+ priv->vlan_entries[vlan].vid = vid;
+ return 0;
+}
+
+static int
+mt7621_get_vid(struct switch_dev *dev, const struct switch_attr *attr,
+ struct switch_val *val)
+{
+ val->value.i = val->port_vlan;
+ return 0;
+}
+
+static int
+mt7530_get_vid(struct switch_dev *dev, const struct switch_attr *attr,
+ struct switch_val *val)
+{
+ struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
+ u32 vid;
+ int vlan;
+
+ vlan = val->port_vlan;
+
+ vid = mt7530_r32(priv, REG_ESW_VLAN_VTIM(vlan));
+ if (vlan & 1)
+ vid = vid >> 12;
+ vid &= 0xfff;
+
+ val->value.i = vid;
+ return 0;
+}
+
+static int
+mt7530_get_mirror_monitor_port(struct switch_dev *dev, const struct switch_attr *attr,
+ struct switch_val *val)
+{
+ struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
+
+ val->value.i = priv->mirror_dest_port;
+
+ return 0;
+}
+
+static int
+mt7530_set_mirror_monitor_port(struct switch_dev *dev, const struct switch_attr *attr,
+ struct switch_val *val)
+{
+ struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
+
+ priv->mirror_dest_port = val->value.i;
+
+ return 0;
+}
+
+static int
+mt7530_get_port_mirror_rx(struct switch_dev *dev, const struct switch_attr *attr,
+ struct switch_val *val)
+{
+ struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
+
+ val->value.i = priv->port_entries[val->port_vlan].mirror_rx;
+
+ return 0;
+}
+
+static int
+mt7530_set_port_mirror_rx(struct switch_dev *dev, const struct switch_attr *attr,
+ struct switch_val *val)
+{
+ struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
+
+ priv->port_entries[val->port_vlan].mirror_rx = val->value.i;
+
+ return 0;
+}
+
+static int
+mt7530_get_port_mirror_tx(struct switch_dev *dev, const struct switch_attr *attr,
+ struct switch_val *val)
+{
+ struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
+
+ val->value.i = priv->port_entries[val->port_vlan].mirror_tx;
+
+ return 0;
+}
+
+static int
+mt7530_set_port_mirror_tx(struct switch_dev *dev, const struct switch_attr *attr,
+ struct switch_val *val)
+{
+ struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
+
+ priv->port_entries[val->port_vlan].mirror_tx = val->value.i;
+
+ return 0;
+}
+
+static void
+mt7530_write_vlan_entry(struct mt7530_priv *priv, int vlan, u16 vid,
+ u8 ports, u8 etags)
+{
+ int port;
+ u32 val;
+
+#ifndef CONFIG_SOC_MT7621
+ /* vid of vlan */
+ val = mt7530_r32(priv, REG_ESW_VLAN_VTIM(vlan));
+ if (vlan % 2 == 0) {
+ val &= 0xfff000;
+ val |= vid;
+ } else {
+ val &= 0xfff;
+ val |= (vid << 12);
+ }
+ mt7530_w32(priv, REG_ESW_VLAN_VTIM(vlan), val);
+#endif
+
+ /* vlan port membership */
+ if (ports)
+ mt7530_w32(priv, REG_ESW_VLAN_VAWD1, REG_ESW_VLAN_VAWD1_IVL_MAC |
+ REG_ESW_VLAN_VAWD1_VTAG_EN | (ports << 16) |
+ REG_ESW_VLAN_VAWD1_VALID);
+ else
+ mt7530_w32(priv, REG_ESW_VLAN_VAWD1, 0);
+
+ /* egress mode */
+ val = 0;
+ for (port = 0; port < MT7530_NUM_PORTS; port++) {
+ if (etags & BIT(port))
+ val |= ETAG_CTRL_TAG << (port * 2);
+ else
+ val |= ETAG_CTRL_UNTAG << (port * 2);
+ }
+ mt7530_w32(priv, REG_ESW_VLAN_VAWD2, val);
+
+ /* write to vlan table */
+#ifdef CONFIG_SOC_MT7621
+ mt7530_vtcr(priv, 1, vid);
+#else
+ mt7530_vtcr(priv, 1, vlan);
+#endif
+}
+
+static int
+mt7530_apply_config(struct switch_dev *dev)
+{
+ struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
+ int i, j;
+ u8 tag_ports;
+ u8 untag_ports;
+ bool is_mirror = false;
+
+ if (!priv->global_vlan_enable) {
+ for (i = 0; i < MT7530_NUM_PORTS; i++)
+ mt7530_w32(priv, REG_ESW_PORT_PCR(i), 0x00400000);
+
+ mt7530_w32(priv, REG_ESW_PORT_PCR(MT7530_CPU_PORT), 0x00ff0000);
+
+ for (i = 0; i < MT7530_NUM_PORTS; i++)
+ mt7530_w32(priv, REG_ESW_PORT_PVC(i), 0x810000c0);
+
+ return 0;
+ }
+
+ /* set all ports as security mode */
+ for (i = 0; i < MT7530_NUM_PORTS; i++)
+ mt7530_w32(priv, REG_ESW_PORT_PCR(i), 0x00ff0003);
+
+ /* check if a port is used in tag/untag vlan egress mode */
+ tag_ports = 0;
+ untag_ports = 0;
+
+ for (i = 0; i < MT7530_NUM_VLANS; i++) {
+ u8 member = priv->vlan_entries[i].member;
+ u8 etags = priv->vlan_entries[i].etags;
+
+ if (!member)
+ continue;
+
+ for (j = 0; j < MT7530_NUM_PORTS; j++) {
+ if (!(member & BIT(j)))
+ continue;
+
+ if (etags & BIT(j))
+ tag_ports |= 1u << j;
+ else
+ untag_ports |= 1u << j;
+ }
+ }
+
+ /* set all untag-only ports as transparent and the rest as user port */
+ for (i = 0; i < MT7530_NUM_PORTS; i++) {
+ u32 pvc_mode = 0x81000000;
+
+ if (untag_ports & BIT(i) && !(tag_ports & BIT(i)))
+ pvc_mode = 0x810000c0;
+
+ mt7530_w32(priv, REG_ESW_PORT_PVC(i), pvc_mode);
+ }
+
+ /* first clear the swtich vlan table */
+ for (i = 0; i < MT7530_NUM_VLANS; i++)
+ mt7530_write_vlan_entry(priv, i, i, 0, 0);
+
+ /* now program only vlans with members to avoid
+ clobbering remapped entries in later iterations */
+ for (i = 0; i < MT7530_NUM_VLANS; i++) {
+ u16 vid = priv->vlan_entries[i].vid;
+ u8 member = priv->vlan_entries[i].member;
+ u8 etags = priv->vlan_entries[i].etags;
+
+ if (member)
+ mt7530_write_vlan_entry(priv, i, vid, member, etags);
+ }
+
+ /* Port Default PVID */
+ for (i = 0; i < MT7530_NUM_PORTS; i++) {
+ int vlan = priv->port_entries[i].pvid;
+ u16 pvid = 0;
+ u32 val;
+
+ if (vlan < MT7530_NUM_VLANS && priv->vlan_entries[vlan].member)
+ pvid = priv->vlan_entries[vlan].vid;
+
+ val = mt7530_r32(priv, REG_ESW_PORT_PPBV1(i));
+ val &= ~0xfff;
+ val |= pvid;
+ mt7530_w32(priv, REG_ESW_PORT_PPBV1(i), val);
+ }
+
+ /* set mirroring source port */
+ for (i = 0; i < MT7530_NUM_PORTS; i++) {
+ u32 val = mt7530_r32(priv, REG_ESW_PORT_PCR(i));
+ if (priv->port_entries[i].mirror_rx) {
+ val |= REG_ESW_PORT_PCR_MIRROR_SRC_RX_BIT;
+ is_mirror = true;
+ }
+
+ if (priv->port_entries[i].mirror_tx) {
+ val |= REG_ESW_PORT_PCR_MIRROR_SRC_TX_BIT;
+ is_mirror = true;
+ }
+
+ mt7530_w32(priv, REG_ESW_PORT_PCR(i), val);
+ }
+
+ /* set mirroring monitor port */
+ if (is_mirror) {
+ u32 val = mt7530_r32(priv, REG_ESW_WT_MAC_MFC);
+ val |= REG_ESW_WT_MAC_MFC_MIRROR_ENABLE;
+ val &= ~REG_ESW_WT_MAC_MFC_MIRROR_DEST_MASK;
+ val |= priv->mirror_dest_port;
+ mt7530_w32(priv, REG_ESW_WT_MAC_MFC, val);
+ }
+
+ return 0;
+}
+
+static int
+mt7530_get_port_link(struct switch_dev *dev, int port,
+ struct switch_port_link *link)
+{
+ struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
+ u32 speed, pmsr;
+
+ if (port < 0 || port >= MT7530_NUM_PORTS)
+ return -EINVAL;
+
+ pmsr = mt7530_r32(priv, 0x3008 + (0x100 * port));
+
+ link->link = pmsr & 1;
+ link->duplex = (pmsr >> 1) & 1;
+ speed = (pmsr >> 2) & 3;
+
+ switch (speed) {
+ case 0:
+ link->speed = SWITCH_PORT_SPEED_10;
+ break;
+ case 1:
+ link->speed = SWITCH_PORT_SPEED_100;
+ break;
+ case 2:
+ case 3: /* forced gige speed can be 2 or 3 */
+ link->speed = SWITCH_PORT_SPEED_1000;
+ break;
+ default:
+ link->speed = SWITCH_PORT_SPEED_UNKNOWN;
+ break;
+ }
+
+ return 0;
+}
+
+static u64 get_mib_counter(struct mt7530_priv *priv, int i, int port)
+{
+ unsigned int port_base;
+ u64 lo;
+
+ port_base = MT7621_MIB_COUNTER_BASE +
+ MT7621_MIB_COUNTER_PORT_OFFSET * port;
+
+ lo = mt7530_r32(priv, port_base + mt7621_mibs[i].offset);
+ if (mt7621_mibs[i].size == 2) {
+ u64 hi;
+
+ hi = mt7530_r32(priv, port_base + mt7621_mibs[i].offset + 4);
+ lo |= hi << 32;
+ }
+
+ return lo;
+}
+
+static int mt7621_sw_get_port_mib(struct switch_dev *dev,
+ const struct switch_attr *attr,
+ struct switch_val *val)
+{
+ static char buf[4096];
+ struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
+ int i, len = 0;
+
+ if (val->port_vlan >= MT7530_NUM_PORTS)
+ return -EINVAL;
+
+ len += snprintf(buf + len, sizeof(buf) - len,
+ "Port %d MIB counters\n", val->port_vlan);
+
+ for (i = 0; i < ARRAY_SIZE(mt7621_mibs); ++i) {
+ u64 counter;
+ len += snprintf(buf + len, sizeof(buf) - len,
+ "%-11s: ", mt7621_mibs[i].name);
+ counter = get_mib_counter(priv, i, val->port_vlan);
+ len += snprintf(buf + len, sizeof(buf) - len, "%llu\n",
+ counter);
+ }
+
+ val->value.s = buf;
+ val->len = len;
+ return 0;
+}
+
+static u64 get_mib_counter_7620(struct mt7530_priv *priv, int i)
+{
+ return mt7530_r32(priv, MT7620_MIB_COUNTER_BASE + mt7620_mibs[i].offset);
+}
+
+static u64 get_mib_counter_port_7620(struct mt7530_priv *priv, int i, int port)
+{
+ return mt7530_r32(priv,
+ MT7620_MIB_COUNTER_BASE_PORT +
+ (MT7620_MIB_COUNTER_PORT_OFFSET * port) +
+ mt7620_port_mibs[i].offset);
+}
+
+static int mt7530_sw_get_mib(struct switch_dev *dev,
+ const struct switch_attr *attr,
+ struct switch_val *val)
+{
+ static char buf[4096];
+ struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
+ int i, len = 0;
+
+ len += snprintf(buf + len, sizeof(buf) - len, "Switch MIB counters\n");
+
+ for (i = 0; i < ARRAY_SIZE(mt7620_mibs); ++i) {
+ u64 counter;
+ len += snprintf(buf + len, sizeof(buf) - len,
+ "%-11s: ", mt7620_mibs[i].name);
+ counter = get_mib_counter_7620(priv, i);
+ len += snprintf(buf + len, sizeof(buf) - len, "%llu\n",
+ counter);
+ }
+
+ val->value.s = buf;
+ val->len = len;
+ return 0;
+}
+
+static int mt7530_sw_get_port_mib(struct switch_dev *dev,
+ const struct switch_attr *attr,
+ struct switch_val *val)
+{
+ static char buf[4096];
+ struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
+ int i, len = 0;
+
+ if (val->port_vlan >= MT7530_NUM_PORTS)
+ return -EINVAL;
+
+ len += snprintf(buf + len, sizeof(buf) - len,
+ "Port %d MIB counters\n", val->port_vlan);
+
+ for (i = 0; i < ARRAY_SIZE(mt7620_port_mibs); ++i) {
+ u64 counter;
+ len += snprintf(buf + len, sizeof(buf) - len,
+ "%-11s: ", mt7620_port_mibs[i].name);
+ counter = get_mib_counter_port_7620(priv, i, val->port_vlan);
+ len += snprintf(buf + len, sizeof(buf) - len, "%llu\n",
+ counter);
+ }
+
+ val->value.s = buf;
+ val->len = len;
+ return 0;
+}
+
+static int mt7530_get_port_stats(struct switch_dev *dev, int port,
+ struct switch_port_stats *stats)
+{
+ struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
+
+ if (port < 0 || port >= MT7530_NUM_PORTS)
+ return -EINVAL;
+
+ stats->tx_bytes = get_mib_counter_port_7620(priv, MT7530_PORT_MIB_TXB_ID, port);
+ stats->rx_bytes = get_mib_counter_port_7620(priv, MT7530_PORT_MIB_RXB_ID, port);
+
+ return 0;
+}
+
+static int mt7621_get_port_stats(struct switch_dev *dev, int port,
+ struct switch_port_stats *stats)
+{
+ struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
+
+ if (port < 0 || port >= MT7530_NUM_PORTS)
+ return -EINVAL;
+
+ stats->tx_bytes = get_mib_counter(priv, MT7621_PORT_MIB_TXB_ID, port);
+ stats->rx_bytes = get_mib_counter(priv, MT7621_PORT_MIB_RXB_ID, port);
+
+ return 0;
+}
+
+static const struct switch_attr mt7530_global[] = {
+ {
+ .type = SWITCH_TYPE_INT,
+ .name = "enable_vlan",
+ .description = "VLAN mode (1:enabled)",
+ .max = 1,
+ .id = MT7530_ATTR_ENABLE_VLAN,
+ .get = mt7530_get_vlan_enable,
+ .set = mt7530_set_vlan_enable,
+ }, {
+ .type = SWITCH_TYPE_STRING,
+ .name = "mib",
+ .description = "Get MIB counters for switch",
+ .get = mt7530_sw_get_mib,
+ .set = NULL,
+ }, {
+ .type = SWITCH_TYPE_INT,
+ .name = "mirror_monitor_port",
+ .description = "Mirror monitor port",
+ .set = mt7530_set_mirror_monitor_port,
+ .get = mt7530_get_mirror_monitor_port,
+ .max = MT7530_NUM_PORTS - 1
+ },
+};
+
+static const struct switch_attr mt7621_port[] = {
+ {
+ .type = SWITCH_TYPE_STRING,
+ .name = "mib",
+ .description = "Get MIB counters for port",
+ .get = mt7621_sw_get_port_mib,
+ .set = NULL,
+ }, {
+ .type = SWITCH_TYPE_INT,
+ .name = "enable_mirror_rx",
+ .description = "Enable mirroring of RX packets",
+ .set = mt7530_set_port_mirror_rx,
+ .get = mt7530_get_port_mirror_rx,
+ .max = 1,
+ }, {
+ .type = SWITCH_TYPE_INT,
+ .name = "enable_mirror_tx",
+ .description = "Enable mirroring of TX packets",
+ .set = mt7530_set_port_mirror_tx,
+ .get = mt7530_get_port_mirror_tx,
+ .max = 1,
+ },
+};
+
+static const struct switch_attr mt7621_vlan[] = {
+ {
+ .type = SWITCH_TYPE_INT,
+ .name = "vid",
+ .description = "VLAN ID (0-4094)",
+ .set = mt7530_set_vid,
+ .get = mt7621_get_vid,
+ .max = 4094,
+ },
+};
+
+static const struct switch_attr mt7530_port[] = {
+ {
+ .type = SWITCH_TYPE_STRING,
+ .name = "mib",
+ .description = "Get MIB counters for port",
+ .get = mt7530_sw_get_port_mib,
+ .set = NULL,
+ }, {
+ .type = SWITCH_TYPE_INT,
+ .name = "enable_mirror_rx",
+ .description = "Enable mirroring of RX packets",
+ .set = mt7530_set_port_mirror_rx,
+ .get = mt7530_get_port_mirror_rx,
+ .max = 1,
+ }, {
+ .type = SWITCH_TYPE_INT,
+ .name = "enable_mirror_tx",
+ .description = "Enable mirroring of TX packets",
+ .set = mt7530_set_port_mirror_tx,
+ .get = mt7530_get_port_mirror_tx,
+ .max = 1,
+ },
+};
+
+static const struct switch_attr mt7530_vlan[] = {
+ {
+ .type = SWITCH_TYPE_INT,
+ .name = "vid",
+ .description = "VLAN ID (0-4094)",
+ .set = mt7530_set_vid,
+ .get = mt7530_get_vid,
+ .max = 4094,
+ },
+};
+
+static const struct switch_dev_ops mt7621_ops = {
+ .attr_global = {
+ .attr = mt7530_global,
+ .n_attr = ARRAY_SIZE(mt7530_global),
+ },
+ .attr_port = {
+ .attr = mt7621_port,
+ .n_attr = ARRAY_SIZE(mt7621_port),
+ },
+ .attr_vlan = {
+ .attr = mt7621_vlan,
+ .n_attr = ARRAY_SIZE(mt7621_vlan),
+ },
+ .get_vlan_ports = mt7530_get_vlan_ports,
+ .set_vlan_ports = mt7530_set_vlan_ports,
+ .get_port_pvid = mt7530_get_port_pvid,
+ .set_port_pvid = mt7530_set_port_pvid,
+ .get_port_link = mt7530_get_port_link,
+ .get_port_stats = mt7621_get_port_stats,
+ .apply_config = mt7530_apply_config,
+ .reset_switch = mt7530_reset_switch,
+};
+
+static const struct switch_dev_ops mt7530_ops = {
+ .attr_global = {
+ .attr = mt7530_global,
+ .n_attr = ARRAY_SIZE(mt7530_global),
+ },
+ .attr_port = {
+ .attr = mt7530_port,
+ .n_attr = ARRAY_SIZE(mt7530_port),
+ },
+ .attr_vlan = {
+ .attr = mt7530_vlan,
+ .n_attr = ARRAY_SIZE(mt7530_vlan),
+ },
+ .get_vlan_ports = mt7530_get_vlan_ports,
+ .set_vlan_ports = mt7530_set_vlan_ports,
+ .get_port_pvid = mt7530_get_port_pvid,
+ .set_port_pvid = mt7530_set_port_pvid,
+ .get_port_link = mt7530_get_port_link,
+ .get_port_stats = mt7530_get_port_stats,
+ .apply_config = mt7530_apply_config,
+ .reset_switch = mt7530_reset_switch,
+};
+
+int
+mt7530_probe(struct device *dev, void __iomem *base, struct mii_bus *bus, int vlan)
+{
+ struct switch_dev *swdev;
+ struct mt7530_priv *mt7530;
+ struct mt7530_mapping *map;
+ int ret;
+
+ mt7530 = devm_kzalloc(dev, sizeof(struct mt7530_priv), GFP_KERNEL);
+ if (!mt7530)
+ return -ENOMEM;
+
+ mt7530->base = base;
+ mt7530->bus = bus;
+ mt7530->global_vlan_enable = vlan;
+
+ swdev = &mt7530->swdev;
+ if (bus) {
+ swdev->alias = "mt7530";
+ swdev->name = "mt7530";
+ } else if (IS_ENABLED(CONFIG_SOC_MT7621)) {
+ swdev->alias = "mt7621";
+ swdev->name = "mt7621";
+ } else {
+ swdev->alias = "mt7620";
+ swdev->name = "mt7620";
+ }
+ swdev->cpu_port = MT7530_CPU_PORT;
+ swdev->ports = MT7530_NUM_PORTS;
+ swdev->vlans = MT7530_NUM_VLANS;
+ if (IS_ENABLED(CONFIG_SOC_MT7621))
+ swdev->ops = &mt7621_ops;
+ else
+ swdev->ops = &mt7530_ops;
+
+ ret = register_switch(swdev, NULL);
+ if (ret) {
+ dev_err(dev, "failed to register mt7530\n");
+ return ret;
+ }
+
+
+ map = mt7530_find_mapping(dev->of_node);
+ if (map)
+ mt7530_apply_mapping(mt7530, map);
+ mt7530_apply_config(swdev);
+
+ /* magic vodoo */
+ if (!IS_ENABLED(CONFIG_SOC_MT7621) && bus && mt7530_r32(mt7530, REG_HWTRAP) != 0x1117edf) {
+ dev_info(dev, "fixing up MHWTRAP register - bootloader probably played with it\n");
+ mt7530_w32(mt7530, REG_HWTRAP, 0x1117edf);
+ }
+ dev_info(dev, "loaded %s driver\n", swdev->name);
+
+ return 0;
+}
diff --git a/target/linux/ramips/files/drivers/net/ethernet/ralink/mt7530.h b/target/linux/ramips/files/drivers/net/ethernet/ralink/mt7530.h
new file mode 100644
index 0000000000..cf725c2f2b
--- /dev/null
+++ b/target/linux/ramips/files/drivers/net/ethernet/ralink/mt7530.h
@@ -0,0 +1,186 @@
+/*
+ * 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; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * 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) 2013 John Crispin <blogic@openwrt.org>
+ * Copyright (C) 2016 Vitaly Chekryzhev <13hakta@gmail.com>
+ */
+
+#ifndef _MT7530_H__
+#define _MT7530_H__
+
+#define MT7620_MIB_COUNTER_BASE_PORT 0x4000
+#define MT7620_MIB_COUNTER_PORT_OFFSET 0x100
+#define MT7620_MIB_COUNTER_BASE 0x1010
+
+/* PPE Accounting Group #0 Byte Counter */
+#define MT7620_MIB_STATS_PPE_AC_BCNT0 0x000
+
+/* PPE Accounting Group #0 Packet Counter */
+#define MT7620_MIB_STATS_PPE_AC_PCNT0 0x004
+
+/* PPE Accounting Group #63 Byte Counter */
+#define MT7620_MIB_STATS_PPE_AC_BCNT63 0x1F8
+
+/* PPE Accounting Group #63 Packet Counter */
+#define MT7620_MIB_STATS_PPE_AC_PCNT63 0x1FC
+
+/* PPE Meter Group #0 */
+#define MT7620_MIB_STATS_PPE_MTR_CNT0 0x200
+
+/* PPE Meter Group #63 */
+#define MT7620_MIB_STATS_PPE_MTR_CNT63 0x2FC
+
+/* Transmit good byte count for CPU GDM */
+#define MT7620_MIB_STATS_GDM1_TX_GBCNT 0x300
+
+/* Transmit good packet count for CPU GDM (exclude flow control frames) */
+#define MT7620_MIB_STATS_GDM1_TX_GPCNT 0x304
+
+/* Transmit abort count for CPU GDM */
+#define MT7620_MIB_STATS_GDM1_TX_SKIPCNT 0x308
+
+/* Transmit collision count for CPU GDM */
+#define MT7620_MIB_STATS_GDM1_TX_COLCNT 0x30C
+
+/* Received good byte count for CPU GDM */
+#define MT7620_MIB_STATS_GDM1_RX_GBCNT1 0x320
+
+/* Received good packet count for CPU GDM (exclude flow control frame) */
+#define MT7620_MIB_STATS_GDM1_RX_GPCNT1 0x324
+
+/* Received overflow error packet count for CPU GDM */
+#define MT7620_MIB_STATS_GDM1_RX_OERCNT 0x328
+
+/* Received FCS error packet count for CPU GDM */
+#define MT7620_MIB_STATS_GDM1_RX_FERCNT 0x32C
+
+/* Received too short error packet count for CPU GDM */
+#define MT7620_MIB_STATS_GDM1_RX_SERCNT 0x330
+
+/* Received too long error packet count for CPU GDM */
+#define MT7620_MIB_STATS_GDM1_RX_LERCNT 0x334
+
+/* Received IP/TCP/UDP checksum error packet count for CPU GDM */
+#define MT7620_MIB_STATS_GDM1_RX_CERCNT 0x338
+
+/* Received flow control pkt count for CPU GDM */
+#define MT7620_MIB_STATS_GDM1_RX_FCCNT 0x33C
+
+/* Transmit good byte count for PPE GDM */
+#define MT7620_MIB_STATS_GDM2_TX_GBCNT 0x340
+
+/* Transmit good packet count for PPE GDM (exclude flow control frames) */
+#define MT7620_MIB_STATS_GDM2_TX_GPCNT 0x344
+
+/* Transmit abort count for PPE GDM */
+#define MT7620_MIB_STATS_GDM2_TX_SKIPCNT 0x348
+
+/* Transmit collision count for PPE GDM */
+#define MT7620_MIB_STATS_GDM2_TX_COLCNT 0x34C
+
+/* Received good byte count for PPE GDM */
+#define MT7620_MIB_STATS_GDM2_RX_GBCNT 0x360
+
+/* Received good packet count for PPE GDM (exclude flow control frame) */
+#define MT7620_MIB_STATS_GDM2_RX_GPCNT 0x364
+
+/* Received overflow error packet count for PPE GDM */
+#define MT7620_MIB_STATS_GDM2_RX_OERCNT 0x368
+
+/* Received FCS error packet count for PPE GDM */
+#define MT7620_MIB_STATS_GDM2_RX_FERCNT 0x36C
+
+/* Received too short error packet count for PPE GDM */
+#define MT7620_MIB_STATS_GDM2_RX_SERCNT 0x370
+
+/* Received too long error packet count for PPE GDM */
+#define MT7620_MIB_STATS_GDM2_RX_LERCNT 0x374
+
+/* Received IP/TCP/UDP checksum error packet count for PPE GDM */
+#define MT7620_MIB_STATS_GDM2_RX_CERCNT 0x378
+
+/* Received flow control pkt count for PPE GDM */
+#define MT7620_MIB_STATS_GDM2_RX_FCCNT 0x37C
+
+/* Tx Packet Counter of Port n */
+#define MT7620_MIB_STATS_PORT_TGPCN 0x10
+
+/* Tx Bad Octet Counter of Port n */
+#define MT7620_MIB_STATS_PORT_TBOCN 0x14
+
+/* Tx Good Octet Counter of Port n */
+#define MT7620_MIB_STATS_PORT_TGOCN 0x18
+
+/* Tx Event Packet Counter of Port n */
+#define MT7620_MIB_STATS_PORT_TEPCN 0x1C
+
+/* Rx Packet Counter of Port n */
+#define MT7620_MIB_STATS_PORT_RGPCN 0x20
+
+/* Rx Bad Octet Counter of Port n */
+#define MT7620_MIB_STATS_PORT_RBOCN 0x24
+
+/* Rx Good Octet Counter of Port n */
+#define MT7620_MIB_STATS_PORT_RGOCN 0x28
+
+/* Rx Event Packet Counter of Port n */
+#define MT7620_MIB_STATS_PORT_REPC1N 0x2C
+
+/* Rx Event Packet Counter of Port n */
+#define MT7620_MIB_STATS_PORT_REPC2N 0x30
+
+#define MT7621_MIB_COUNTER_BASE 0x4000
+#define MT7621_MIB_COUNTER_PORT_OFFSET 0x100
+#define MT7621_STATS_TDPC 0x00
+#define MT7621_STATS_TCRC 0x04
+#define MT7621_STATS_TUPC 0x08
+#define MT7621_STATS_TMPC 0x0C
+#define MT7621_STATS_TBPC 0x10
+#define MT7621_STATS_TCEC 0x14
+#define MT7621_STATS_TSCEC 0x18
+#define MT7621_STATS_TMCEC 0x1C
+#define MT7621_STATS_TDEC 0x20
+#define MT7621_STATS_TLCEC 0x24
+#define MT7621_STATS_TXCEC 0x28
+#define MT7621_STATS_TPPC 0x2C
+#define MT7621_STATS_TL64PC 0x30
+#define MT7621_STATS_TL65PC 0x34
+#define MT7621_STATS_TL128PC 0x38
+#define MT7621_STATS_TL256PC 0x3C
+#define MT7621_STATS_TL512PC 0x40
+#define MT7621_STATS_TL1024PC 0x44
+#define MT7621_STATS_TOC 0x48
+#define MT7621_STATS_RDPC 0x60
+#define MT7621_STATS_RFPC 0x64
+#define MT7621_STATS_RUPC 0x68
+#define MT7621_STATS_RMPC 0x6C
+#define MT7621_STATS_RBPC 0x70
+#define MT7621_STATS_RAEPC 0x74
+#define MT7621_STATS_RCEPC 0x78
+#define MT7621_STATS_RUSPC 0x7C
+#define MT7621_STATS_RFEPC 0x80
+#define MT7621_STATS_ROSPC 0x84
+#define MT7621_STATS_RJEPC 0x88
+#define MT7621_STATS_RPPC 0x8C
+#define MT7621_STATS_RL64PC 0x90
+#define MT7621_STATS_RL65PC 0x94
+#define MT7621_STATS_RL128PC 0x98
+#define MT7621_STATS_RL256PC 0x9C
+#define MT7621_STATS_RL512PC 0xA0
+#define MT7621_STATS_RL1024PC 0xA4
+#define MT7621_STATS_ROC 0xA8
+#define MT7621_STATS_RDPC_CTRL 0xB0
+#define MT7621_STATS_RDPC_ING 0xB4
+#define MT7621_STATS_RDPC_ARL 0xB8
+
+int mt7530_probe(struct device *dev, void __iomem *base, struct mii_bus *bus, int vlan);
+
+#endif
diff --git a/target/linux/ramips/files/drivers/net/ethernet/ralink/mtk_debugfs.c b/target/linux/ramips/files/drivers/net/ethernet/ralink/mtk_debugfs.c
new file mode 100644
index 0000000000..2938119e89
--- /dev/null
+++ b/target/linux/ramips/files/drivers/net/ethernet/ralink/mtk_debugfs.c
@@ -0,0 +1,115 @@
+/* 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) 2014-2016 Sean Wang <sean.wang@mediatek.com>
+ * Copyright (C) 2016-2017 John Crispin <blogic@openwrt.org>
+ */
+
+#include "mtk_offload.h"
+
+static const char *mtk_foe_entry_state_str[] = {
+ "INVALID",
+ "UNBIND",
+ "BIND",
+ "FIN"
+};
+
+static const char *mtk_foe_packet_type_str[] = {
+ "IPV4_HNAPT",
+ "IPV4_HNAT",
+ "IPV6_1T_ROUTE",
+ "IPV4_DSLITE",
+ "IPV6_3T_ROUTE",
+ "IPV6_5T_ROUTE",
+ "IPV6_6RD",
+};
+
+#define IPV4_HNAPT 0
+#define IPV4_HNAT 1
+#define IS_IPV4_HNAPT(x) (((x)->bfib1.pkt_type == IPV4_HNAPT) ? 1: 0)
+struct mtk_eth *_eth;
+#define es(entry) (mtk_foe_entry_state_str[entry->bfib1.state])
+//#define ei(entry, end) (MTK_PPE_TBL_SZ - (int)(end - entry))
+#define ei(entry, end) (MTK_PPE_ENTRY_CNT - (int)(end - entry))
+#define pt(entry) (mtk_foe_packet_type_str[entry->ipv4_hnapt.bfib1.pkt_type])
+
+static int mtk_ppe_debugfs_foe_show(struct seq_file *m, void *private)
+{
+ struct mtk_eth *eth = _eth;
+ struct mtk_foe_entry *entry, *end;
+ int i = 0;
+
+ entry = eth->foe_table;
+ end = eth->foe_table + MTK_PPE_ENTRY_CNT;
+
+ while (entry < end) {
+ if (IS_IPV4_HNAPT(entry)) {
+ __be32 saddr = htonl(entry->ipv4_hnapt.sip);
+ __be32 daddr = htonl(entry->ipv4_hnapt.dip);
+ __be32 nsaddr = htonl(entry->ipv4_hnapt.new_sip);
+ __be32 ndaddr = htonl(entry->ipv4_hnapt.new_dip);
+ unsigned char h_dest[ETH_ALEN];
+ unsigned char h_source[ETH_ALEN];
+
+ *((u32*) h_source) = swab32(entry->ipv4_hnapt.smac_hi);
+ *((u16*) &h_source[4]) = swab16(entry->ipv4_hnapt.smac_lo);
+ *((u32*) h_dest) = swab32(entry->ipv4_hnapt.dmac_hi);
+ *((u16*) &h_dest[4]) = swab16(entry->ipv4_hnapt.dmac_lo);
+ seq_printf(m,
+ "(%x)0x%05x|state=%s|type=%s|"
+ "%pI4:%d->%pI4:%d=>%pI4:%d->%pI4:%d|%pM=>%pM|"
+ "etype=0x%04x|info1=0x%x|info2=0x%x|"
+ "vlan1=%d|vlan2=%d\n",
+ i,
+ ei(entry, end), es(entry), pt(entry),
+ &saddr, entry->ipv4_hnapt.sport,
+ &daddr, entry->ipv4_hnapt.dport,
+ &nsaddr, entry->ipv4_hnapt.new_sport,
+ &ndaddr, entry->ipv4_hnapt.new_dport, h_source,
+ h_dest, ntohs(entry->ipv4_hnapt.etype),
+ entry->ipv4_hnapt.info_blk1,
+ entry->ipv4_hnapt.info_blk2,
+ entry->ipv4_hnapt.vlan1,
+ entry->ipv4_hnapt.vlan2);
+ } else
+ seq_printf(m, "0x%05x state=%s\n",
+ ei(entry, end), es(entry));
+ entry++;
+ i++;
+ }
+
+ return 0;
+}
+
+static int mtk_ppe_debugfs_foe_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, mtk_ppe_debugfs_foe_show, file->private_data);
+}
+
+static const struct file_operations mtk_ppe_debugfs_foe_fops = {
+ .open = mtk_ppe_debugfs_foe_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+int mtk_ppe_debugfs_init(struct mtk_eth *eth)
+{
+ struct dentry *root;
+
+ _eth = eth;
+
+ root = debugfs_create_dir("mtk_ppe", NULL);
+ if (!root)
+ return -ENOMEM;
+
+ debugfs_create_file("all_entry", S_IRUGO, root, eth, &mtk_ppe_debugfs_foe_fops);
+
+ return 0;
+}
diff --git a/target/linux/ramips/files/drivers/net/ethernet/ralink/mtk_eth_soc.c b/target/linux/ramips/files/drivers/net/ethernet/ralink/mtk_eth_soc.c
new file mode 100644
index 0000000000..e3a35c7c22
--- /dev/null
+++ b/target/linux/ramips/files/drivers/net/ethernet/ralink/mtk_eth_soc.c
@@ -0,0 +1,1728 @@
+/* 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@nbd.name>
+ * Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com>
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/dma-mapping.h>
+#include <linux/init.h>
+#include <linux/skbuff.h>
+#include <linux/etherdevice.h>
+#include <linux/ethtool.h>
+#include <linux/platform_device.h>
+#include <linux/of_device.h>
+#include <linux/clk.h>
+#include <linux/of_net.h>
+#include <linux/of_mdio.h>
+#include <linux/if_vlan.h>
+#include <linux/reset.h>
+#include <linux/tcp.h>
+#include <linux/io.h>
+#include <linux/bug.h>
+#include <linux/netfilter.h>
+#include <net/netfilter/nf_flow_table.h>
+#include <linux/of_gpio.h>
+#include <linux/gpio.h>
+#include <linux/gpio/consumer.h>
+
+#include <asm/mach-ralink/ralink_regs.h>
+
+#include "mtk_eth_soc.h"
+#include "mdio.h"
+#include "ethtool.h"
+
+#define MAX_RX_LENGTH 1536
+#define FE_RX_ETH_HLEN (VLAN_ETH_HLEN + VLAN_HLEN + ETH_FCS_LEN)
+#define FE_RX_HLEN (NET_SKB_PAD + FE_RX_ETH_HLEN + NET_IP_ALIGN)
+#define DMA_DUMMY_DESC 0xffffffff
+#define FE_DEFAULT_MSG_ENABLE \
+ (NETIF_MSG_DRV | \
+ NETIF_MSG_PROBE | \
+ NETIF_MSG_LINK | \
+ NETIF_MSG_TIMER | \
+ NETIF_MSG_IFDOWN | \
+ NETIF_MSG_IFUP | \
+ NETIF_MSG_RX_ERR | \
+ NETIF_MSG_TX_ERR)
+
+#define TX_DMA_DESP2_DEF (TX_DMA_LS0 | TX_DMA_DONE)
+#define TX_DMA_DESP4_DEF (TX_DMA_QN(3) | TX_DMA_PN(1))
+#define NEXT_TX_DESP_IDX(X) (((X) + 1) & (ring->tx_ring_size - 1))
+#define NEXT_RX_DESP_IDX(X) (((X) + 1) & (ring->rx_ring_size - 1))
+
+#define SYSC_REG_RSTCTRL 0x34
+
+static int fe_msg_level = -1;
+module_param_named(msg_level, fe_msg_level, int, 0);
+MODULE_PARM_DESC(msg_level, "Message level (-1=defaults,0=none,...,16=all)");
+
+static const u16 fe_reg_table_default[FE_REG_COUNT] = {
+ [FE_REG_PDMA_GLO_CFG] = FE_PDMA_GLO_CFG,
+ [FE_REG_PDMA_RST_CFG] = FE_PDMA_RST_CFG,
+ [FE_REG_DLY_INT_CFG] = FE_DLY_INT_CFG,
+ [FE_REG_TX_BASE_PTR0] = FE_TX_BASE_PTR0,
+ [FE_REG_TX_MAX_CNT0] = FE_TX_MAX_CNT0,
+ [FE_REG_TX_CTX_IDX0] = FE_TX_CTX_IDX0,
+ [FE_REG_TX_DTX_IDX0] = FE_TX_DTX_IDX0,
+ [FE_REG_RX_BASE_PTR0] = FE_RX_BASE_PTR0,
+ [FE_REG_RX_MAX_CNT0] = FE_RX_MAX_CNT0,
+ [FE_REG_RX_CALC_IDX0] = FE_RX_CALC_IDX0,
+ [FE_REG_RX_DRX_IDX0] = FE_RX_DRX_IDX0,
+ [FE_REG_FE_INT_ENABLE] = FE_FE_INT_ENABLE,
+ [FE_REG_FE_INT_STATUS] = FE_FE_INT_STATUS,
+ [FE_REG_FE_DMA_VID_BASE] = FE_DMA_VID0,
+ [FE_REG_FE_COUNTER_BASE] = FE_GDMA1_TX_GBCNT,
+ [FE_REG_FE_RST_GL] = FE_FE_RST_GL,
+};
+
+static const u16 *fe_reg_table = fe_reg_table_default;
+
+struct fe_work_t {
+ int bitnr;
+ void (*action)(struct fe_priv *);
+};
+
+static void __iomem *fe_base;
+
+void fe_w32(u32 val, unsigned reg)
+{
+ __raw_writel(val, fe_base + reg);
+}
+
+u32 fe_r32(unsigned reg)
+{
+ return __raw_readl(fe_base + reg);
+}
+
+void fe_reg_w32(u32 val, enum fe_reg reg)
+{
+ fe_w32(val, fe_reg_table[reg]);
+}
+
+u32 fe_reg_r32(enum fe_reg reg)
+{
+ return fe_r32(fe_reg_table[reg]);
+}
+
+void fe_m32(struct fe_priv *eth, u32 clear, u32 set, unsigned reg)
+{
+ u32 val;
+
+ spin_lock(&eth->page_lock);
+ val = __raw_readl(fe_base + reg);
+ val &= ~clear;
+ val |= set;
+ __raw_writel(val, fe_base + reg);
+ spin_unlock(&eth->page_lock);
+}
+
+void fe_reset(u32 reset_bits)
+{
+ u32 t;
+
+ t = rt_sysc_r32(SYSC_REG_RSTCTRL);
+ t |= reset_bits;
+ rt_sysc_w32(t, SYSC_REG_RSTCTRL);
+ usleep_range(10, 20);
+
+ t &= ~reset_bits;
+ rt_sysc_w32(t, SYSC_REG_RSTCTRL);
+ usleep_range(10, 20);
+}
+
+static inline void fe_int_disable(u32 mask)
+{
+ fe_reg_w32(fe_reg_r32(FE_REG_FE_INT_ENABLE) & ~mask,
+ FE_REG_FE_INT_ENABLE);
+ /* flush write */
+ fe_reg_r32(FE_REG_FE_INT_ENABLE);
+}
+
+static inline void fe_int_enable(u32 mask)
+{
+ fe_reg_w32(fe_reg_r32(FE_REG_FE_INT_ENABLE) | mask,
+ FE_REG_FE_INT_ENABLE);
+ /* flush write */
+ fe_reg_r32(FE_REG_FE_INT_ENABLE);
+}
+
+static inline void fe_hw_set_macaddr(struct fe_priv *priv, unsigned char *mac)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&priv->page_lock, flags);
+ fe_w32((mac[0] << 8) | mac[1], FE_GDMA1_MAC_ADRH);
+ fe_w32((mac[2] << 24) | (mac[3] << 16) | (mac[4] << 8) | mac[5],
+ FE_GDMA1_MAC_ADRL);
+ spin_unlock_irqrestore(&priv->page_lock, flags);
+}
+
+static int fe_set_mac_address(struct net_device *dev, void *p)
+{
+ int ret = eth_mac_addr(dev, p);
+
+ if (!ret) {
+ struct fe_priv *priv = netdev_priv(dev);
+
+ if (priv->soc->set_mac)
+ priv->soc->set_mac(priv, dev->dev_addr);
+ else
+ fe_hw_set_macaddr(priv, p);
+ }
+
+ return ret;
+}
+
+static inline int fe_max_frag_size(int mtu)
+{
+ /* make sure buf_size will be at least MAX_RX_LENGTH */
+ if (mtu + FE_RX_ETH_HLEN < MAX_RX_LENGTH)
+ mtu = MAX_RX_LENGTH - FE_RX_ETH_HLEN;
+
+ return SKB_DATA_ALIGN(FE_RX_HLEN + mtu) +
+ SKB_DATA_ALIGN(sizeof(struct skb_shared_info));
+}
+
+static inline int fe_max_buf_size(int frag_size)
+{
+ int buf_size = frag_size - NET_SKB_PAD - NET_IP_ALIGN -
+ SKB_DATA_ALIGN(sizeof(struct skb_shared_info));
+
+ BUG_ON(buf_size < MAX_RX_LENGTH);
+ return buf_size;
+}
+
+static inline void fe_get_rxd(struct fe_rx_dma *rxd, struct fe_rx_dma *dma_rxd)
+{
+ rxd->rxd1 = dma_rxd->rxd1;
+ rxd->rxd2 = dma_rxd->rxd2;
+ rxd->rxd3 = dma_rxd->rxd3;
+ rxd->rxd4 = dma_rxd->rxd4;
+}
+
+static inline void fe_set_txd(struct fe_tx_dma *txd, struct fe_tx_dma *dma_txd)
+{
+ dma_txd->txd1 = txd->txd1;
+ dma_txd->txd3 = txd->txd3;
+ dma_txd->txd4 = txd->txd4;
+ /* clean dma done flag last */
+ dma_txd->txd2 = txd->txd2;
+}
+
+static void fe_clean_rx(struct fe_priv *priv)
+{
+ struct fe_rx_ring *ring = &priv->rx_ring;
+ struct page *page;
+ int i;
+
+ if (ring->rx_data) {
+ for (i = 0; i < ring->rx_ring_size; i++)
+ if (ring->rx_data[i]) {
+ if (ring->rx_dma && ring->rx_dma[i].rxd1)
+ dma_unmap_single(&priv->netdev->dev,
+ ring->rx_dma[i].rxd1,
+ ring->rx_buf_size,
+ DMA_FROM_DEVICE);
+ skb_free_frag(ring->rx_data[i]);
+ }
+
+ kfree(ring->rx_data);
+ ring->rx_data = NULL;
+ }
+
+ if (ring->rx_dma) {
+ dma_free_coherent(&priv->netdev->dev,
+ ring->rx_ring_size * sizeof(*ring->rx_dma),
+ ring->rx_dma,
+ ring->rx_phys);
+ ring->rx_dma = NULL;
+ }
+
+ if (!ring->frag_cache.va)
+ return;
+
+ page = virt_to_page(ring->frag_cache.va);
+ __page_frag_cache_drain(page, ring->frag_cache.pagecnt_bias);
+ memset(&ring->frag_cache, 0, sizeof(ring->frag_cache));
+}
+
+static int fe_alloc_rx(struct fe_priv *priv)
+{
+ struct net_device *netdev = priv->netdev;
+ struct fe_rx_ring *ring = &priv->rx_ring;
+ int i, pad;
+
+ ring->rx_data = kcalloc(ring->rx_ring_size, sizeof(*ring->rx_data),
+ GFP_KERNEL);
+ if (!ring->rx_data)
+ goto no_rx_mem;
+
+ for (i = 0; i < ring->rx_ring_size; i++) {
+ ring->rx_data[i] = page_frag_alloc(&ring->frag_cache,
+ ring->frag_size,
+ GFP_KERNEL);
+ if (!ring->rx_data[i])
+ goto no_rx_mem;
+ }
+
+ ring->rx_dma = dma_alloc_coherent(&netdev->dev,
+ ring->rx_ring_size * sizeof(*ring->rx_dma),
+ &ring->rx_phys,
+ GFP_ATOMIC | __GFP_ZERO);
+ if (!ring->rx_dma)
+ goto no_rx_mem;
+
+ if (priv->flags & FE_FLAG_RX_2B_OFFSET)
+ pad = 0;
+ else
+ pad = NET_IP_ALIGN;
+ for (i = 0; i < ring->rx_ring_size; i++) {
+ dma_addr_t dma_addr = dma_map_single(&netdev->dev,
+ ring->rx_data[i] + NET_SKB_PAD + pad,
+ ring->rx_buf_size,
+ DMA_FROM_DEVICE);
+ if (unlikely(dma_mapping_error(&netdev->dev, dma_addr)))
+ goto no_rx_mem;
+ ring->rx_dma[i].rxd1 = (unsigned int)dma_addr;
+
+ if (priv->flags & FE_FLAG_RX_SG_DMA)
+ ring->rx_dma[i].rxd2 = RX_DMA_PLEN0(ring->rx_buf_size);
+ else
+ ring->rx_dma[i].rxd2 = RX_DMA_LSO;
+ }
+ ring->rx_calc_idx = ring->rx_ring_size - 1;
+ /* make sure that all changes to the dma ring are flushed before we
+ * continue
+ */
+ wmb();
+
+ fe_reg_w32(ring->rx_phys, FE_REG_RX_BASE_PTR0);
+ fe_reg_w32(ring->rx_ring_size, FE_REG_RX_MAX_CNT0);
+ fe_reg_w32(ring->rx_calc_idx, FE_REG_RX_CALC_IDX0);
+ fe_reg_w32(FE_PST_DRX_IDX0, FE_REG_PDMA_RST_CFG);
+
+ return 0;
+
+no_rx_mem:
+ return -ENOMEM;
+}
+
+static void fe_txd_unmap(struct device *dev, struct fe_tx_buf *tx_buf)
+{
+ if (dma_unmap_len(tx_buf, dma_len0))
+ dma_unmap_page(dev,
+ dma_unmap_addr(tx_buf, dma_addr0),
+ dma_unmap_len(tx_buf, dma_len0),
+ DMA_TO_DEVICE);
+
+ if (dma_unmap_len(tx_buf, dma_len1))
+ dma_unmap_page(dev,
+ dma_unmap_addr(tx_buf, dma_addr1),
+ dma_unmap_len(tx_buf, dma_len1),
+ DMA_TO_DEVICE);
+
+ dma_unmap_len_set(tx_buf, dma_addr0, 0);
+ dma_unmap_len_set(tx_buf, dma_addr1, 0);
+ if (tx_buf->skb && (tx_buf->skb != (struct sk_buff *)DMA_DUMMY_DESC))
+ dev_kfree_skb_any(tx_buf->skb);
+ tx_buf->skb = NULL;
+}
+
+static void fe_clean_tx(struct fe_priv *priv)
+{
+ int i;
+ struct device *dev = &priv->netdev->dev;
+ struct fe_tx_ring *ring = &priv->tx_ring;
+
+ if (ring->tx_buf) {
+ for (i = 0; i < ring->tx_ring_size; i++)
+ fe_txd_unmap(dev, &ring->tx_buf[i]);
+ kfree(ring->tx_buf);
+ ring->tx_buf = NULL;
+ }
+
+ if (ring->tx_dma) {
+ dma_free_coherent(dev,
+ ring->tx_ring_size * sizeof(*ring->tx_dma),
+ ring->tx_dma,
+ ring->tx_phys);
+ ring->tx_dma = NULL;
+ }
+
+ netdev_reset_queue(priv->netdev);
+}
+
+static int fe_alloc_tx(struct fe_priv *priv)
+{
+ int i;
+ struct fe_tx_ring *ring = &priv->tx_ring;
+
+ ring->tx_free_idx = 0;
+ ring->tx_next_idx = 0;
+ ring->tx_thresh = max((unsigned long)ring->tx_ring_size >> 2,
+ MAX_SKB_FRAGS);
+
+ ring->tx_buf = kcalloc(ring->tx_ring_size, sizeof(*ring->tx_buf),
+ GFP_KERNEL);
+ if (!ring->tx_buf)
+ goto no_tx_mem;
+
+ ring->tx_dma = dma_alloc_coherent(&priv->netdev->dev,
+ ring->tx_ring_size * sizeof(*ring->tx_dma),
+ &ring->tx_phys,
+ GFP_ATOMIC | __GFP_ZERO);
+ if (!ring->tx_dma)
+ goto no_tx_mem;
+
+ for (i = 0; i < ring->tx_ring_size; i++) {
+ if (priv->soc->tx_dma)
+ priv->soc->tx_dma(&ring->tx_dma[i]);
+ ring->tx_dma[i].txd2 = TX_DMA_DESP2_DEF;
+ }
+ /* make sure that all changes to the dma ring are flushed before we
+ * continue
+ */
+ wmb();
+
+ fe_reg_w32(ring->tx_phys, FE_REG_TX_BASE_PTR0);
+ fe_reg_w32(ring->tx_ring_size, FE_REG_TX_MAX_CNT0);
+ fe_reg_w32(0, FE_REG_TX_CTX_IDX0);
+ fe_reg_w32(FE_PST_DTX_IDX0, FE_REG_PDMA_RST_CFG);
+
+ return 0;
+
+no_tx_mem:
+ return -ENOMEM;
+}
+
+static int fe_init_dma(struct fe_priv *priv)
+{
+ int err;
+
+ err = fe_alloc_tx(priv);
+ if (err)
+ return err;
+
+ err = fe_alloc_rx(priv);
+ if (err)
+ return err;
+
+ return 0;
+}
+
+static void fe_free_dma(struct fe_priv *priv)
+{
+ fe_clean_tx(priv);
+ fe_clean_rx(priv);
+}
+
+void fe_stats_update(struct fe_priv *priv)
+{
+ struct fe_hw_stats *hwstats = priv->hw_stats;
+ unsigned int base = fe_reg_table[FE_REG_FE_COUNTER_BASE];
+ u64 stats;
+
+ u64_stats_update_begin(&hwstats->syncp);
+
+ if (IS_ENABLED(CONFIG_SOC_MT7621)) {
+ hwstats->rx_bytes += fe_r32(base);
+ stats = fe_r32(base + 0x04);
+ if (stats)
+ hwstats->rx_bytes += (stats << 32);
+ hwstats->rx_packets += fe_r32(base + 0x08);
+ hwstats->rx_overflow += fe_r32(base + 0x10);
+ hwstats->rx_fcs_errors += fe_r32(base + 0x14);
+ hwstats->rx_short_errors += fe_r32(base + 0x18);
+ hwstats->rx_long_errors += fe_r32(base + 0x1c);
+ hwstats->rx_checksum_errors += fe_r32(base + 0x20);
+ hwstats->rx_flow_control_packets += fe_r32(base + 0x24);
+ hwstats->tx_skip += fe_r32(base + 0x28);
+ hwstats->tx_collisions += fe_r32(base + 0x2c);
+ hwstats->tx_bytes += fe_r32(base + 0x30);
+ stats = fe_r32(base + 0x34);
+ if (stats)
+ hwstats->tx_bytes += (stats << 32);
+ hwstats->tx_packets += fe_r32(base + 0x38);
+ } else {
+ hwstats->tx_bytes += fe_r32(base);
+ hwstats->tx_packets += fe_r32(base + 0x04);
+ hwstats->tx_skip += fe_r32(base + 0x08);
+ hwstats->tx_collisions += fe_r32(base + 0x0c);
+ hwstats->rx_bytes += fe_r32(base + 0x20);
+ hwstats->rx_packets += fe_r32(base + 0x24);
+ hwstats->rx_overflow += fe_r32(base + 0x28);
+ hwstats->rx_fcs_errors += fe_r32(base + 0x2c);
+ hwstats->rx_short_errors += fe_r32(base + 0x30);
+ hwstats->rx_long_errors += fe_r32(base + 0x34);
+ hwstats->rx_checksum_errors += fe_r32(base + 0x38);
+ hwstats->rx_flow_control_packets += fe_r32(base + 0x3c);
+ }
+
+ u64_stats_update_end(&hwstats->syncp);
+}
+
+static void fe_get_stats64(struct net_device *dev,
+ struct rtnl_link_stats64 *storage)
+{
+ struct fe_priv *priv = netdev_priv(dev);
+ struct fe_hw_stats *hwstats = priv->hw_stats;
+ unsigned int base = fe_reg_table[FE_REG_FE_COUNTER_BASE];
+ unsigned int start;
+
+ if (!base) {
+ netdev_stats_to_stats64(storage, &dev->stats);
+ return;
+ }
+
+ if (netif_running(dev) && netif_device_present(dev)) {
+ if (spin_trylock_bh(&hwstats->stats_lock)) {
+ fe_stats_update(priv);
+ spin_unlock_bh(&hwstats->stats_lock);
+ }
+ }
+
+ do {
+ start = u64_stats_fetch_begin_irq(&hwstats->syncp);
+ storage->rx_packets = hwstats->rx_packets;
+ storage->tx_packets = hwstats->tx_packets;
+ storage->rx_bytes = hwstats->rx_bytes;
+ storage->tx_bytes = hwstats->tx_bytes;
+ storage->collisions = hwstats->tx_collisions;
+ storage->rx_length_errors = hwstats->rx_short_errors +
+ hwstats->rx_long_errors;
+ storage->rx_over_errors = hwstats->rx_overflow;
+ storage->rx_crc_errors = hwstats->rx_fcs_errors;
+ storage->rx_errors = hwstats->rx_checksum_errors;
+ storage->tx_aborted_errors = hwstats->tx_skip;
+ } while (u64_stats_fetch_retry_irq(&hwstats->syncp, start));
+
+ storage->tx_errors = priv->netdev->stats.tx_errors;
+ storage->rx_dropped = priv->netdev->stats.rx_dropped;
+ storage->tx_dropped = priv->netdev->stats.tx_dropped;
+}
+
+static int fe_vlan_rx_add_vid(struct net_device *dev,
+ __be16 proto, u16 vid)
+{
+ struct fe_priv *priv = netdev_priv(dev);
+ u32 idx = (vid & 0xf);
+ u32 vlan_cfg;
+
+ if (!((fe_reg_table[FE_REG_FE_DMA_VID_BASE]) &&
+ (dev->features & NETIF_F_HW_VLAN_CTAG_TX)))
+ return 0;
+
+ if (test_bit(idx, &priv->vlan_map)) {
+ netdev_warn(dev, "disable tx vlan offload\n");
+ dev->wanted_features &= ~NETIF_F_HW_VLAN_CTAG_TX;
+ netdev_update_features(dev);
+ } else {
+ vlan_cfg = fe_r32(fe_reg_table[FE_REG_FE_DMA_VID_BASE] +
+ ((idx >> 1) << 2));
+ if (idx & 0x1) {
+ vlan_cfg &= 0xffff;
+ vlan_cfg |= (vid << 16);
+ } else {
+ vlan_cfg &= 0xffff0000;
+ vlan_cfg |= vid;
+ }
+ fe_w32(vlan_cfg, fe_reg_table[FE_REG_FE_DMA_VID_BASE] +
+ ((idx >> 1) << 2));
+ set_bit(idx, &priv->vlan_map);
+ }
+
+ return 0;
+}
+
+static int fe_vlan_rx_kill_vid(struct net_device *dev,
+ __be16 proto, u16 vid)
+{
+ struct fe_priv *priv = netdev_priv(dev);
+ u32 idx = (vid & 0xf);
+
+ if (!((fe_reg_table[FE_REG_FE_DMA_VID_BASE]) &&
+ (dev->features & NETIF_F_HW_VLAN_CTAG_TX)))
+ return 0;
+
+ clear_bit(idx, &priv->vlan_map);
+
+ return 0;
+}
+
+static inline u32 fe_empty_txd(struct fe_tx_ring *ring)
+{
+ barrier();
+ return (u32)(ring->tx_ring_size -
+ ((ring->tx_next_idx - ring->tx_free_idx) &
+ (ring->tx_ring_size - 1)));
+}
+
+struct fe_map_state {
+ struct device *dev;
+ struct fe_tx_dma txd;
+ u32 def_txd4;
+ int ring_idx;
+ int i;
+};
+
+static void fe_tx_dma_write_desc(struct fe_tx_ring *ring, struct fe_map_state *st)
+{
+ fe_set_txd(&st->txd, &ring->tx_dma[st->ring_idx]);
+ memset(&st->txd, 0, sizeof(st->txd));
+ st->txd.txd4 = st->def_txd4;
+ st->ring_idx = NEXT_TX_DESP_IDX(st->ring_idx);
+}
+
+static int __fe_tx_dma_map_page(struct fe_tx_ring *ring, struct fe_map_state *st,
+ struct page *page, size_t offset, size_t size)
+{
+ struct device *dev = st->dev;
+ struct fe_tx_buf *tx_buf;
+ dma_addr_t mapped_addr;
+
+ mapped_addr = dma_map_page(dev, page, offset, size, DMA_TO_DEVICE);
+ if (unlikely(dma_mapping_error(dev, mapped_addr)))
+ return -EIO;
+
+ if (st->i && !(st->i & 1))
+ fe_tx_dma_write_desc(ring, st);
+
+ tx_buf = &ring->tx_buf[st->ring_idx];
+ if (st->i & 1) {
+ st->txd.txd3 = mapped_addr;
+ st->txd.txd2 |= TX_DMA_PLEN1(size);
+ dma_unmap_addr_set(tx_buf, dma_addr1, mapped_addr);
+ dma_unmap_len_set(tx_buf, dma_len1, size);
+ } else {
+ tx_buf->skb = (struct sk_buff *)DMA_DUMMY_DESC;
+ st->txd.txd1 = mapped_addr;
+ st->txd.txd2 = TX_DMA_PLEN0(size);
+ dma_unmap_addr_set(tx_buf, dma_addr0, mapped_addr);
+ dma_unmap_len_set(tx_buf, dma_len0, size);
+ }
+ st->i++;
+
+ return 0;
+}
+
+static int fe_tx_dma_map_page(struct fe_tx_ring *ring, struct fe_map_state *st,
+ struct page *page, size_t offset, size_t size)
+{
+ int cur_size;
+ int ret;
+
+ while (size > 0) {
+ cur_size = min_t(size_t, size, TX_DMA_BUF_LEN);
+
+ ret = __fe_tx_dma_map_page(ring, st, page, offset, cur_size);
+ if (ret)
+ return ret;
+
+ size -= cur_size;
+ offset += cur_size;
+ }
+
+ return 0;
+}
+
+static int fe_tx_dma_map_skb(struct fe_tx_ring *ring, struct fe_map_state *st,
+ struct sk_buff *skb)
+{
+ struct page *page = virt_to_page(skb->data);
+ size_t offset = offset_in_page(skb->data);
+ size_t size = skb_headlen(skb);
+
+ return fe_tx_dma_map_page(ring, st, page, offset, size);
+}
+
+static inline struct sk_buff *
+fe_next_frag(struct sk_buff *head, struct sk_buff *skb)
+{
+ if (skb != head)
+ return skb->next;
+
+ if (skb_has_frag_list(skb))
+ return skb_shinfo(skb)->frag_list;
+
+ return NULL;
+}
+
+
+static int fe_tx_map_dma(struct sk_buff *skb, struct net_device *dev,
+ int tx_num, struct fe_tx_ring *ring)
+{
+ struct fe_priv *priv = netdev_priv(dev);
+ struct fe_map_state st = {
+ .dev = &dev->dev,
+ .ring_idx = ring->tx_next_idx,
+ };
+ struct sk_buff *head = skb;
+ struct fe_tx_buf *tx_buf;
+ unsigned int nr_frags;
+ int i, j;
+
+ /* init tx descriptor */
+ if (priv->soc->tx_dma)
+ priv->soc->tx_dma(&st.txd);
+ else
+ st.txd.txd4 = TX_DMA_DESP4_DEF;
+ st.def_txd4 = st.txd.txd4;
+
+ /* TX Checksum offload */
+ if (skb->ip_summed == CHECKSUM_PARTIAL)
+ st.txd.txd4 |= TX_DMA_CHKSUM;
+
+ /* VLAN header offload */
+ if (skb_vlan_tag_present(skb)) {
+ u16 tag = skb_vlan_tag_get(skb);
+
+ if (IS_ENABLED(CONFIG_SOC_MT7621))
+ st.txd.txd4 |= TX_DMA_INS_VLAN_MT7621 | tag;
+ else
+ st.txd.txd4 |= TX_DMA_INS_VLAN |
+ ((tag >> VLAN_PRIO_SHIFT) << 4) |
+ (tag & 0xF);
+ }
+
+ /* TSO: fill MSS info in tcp checksum field */
+ if (skb_is_gso(skb)) {
+ if (skb_cow_head(skb, 0)) {
+ netif_warn(priv, tx_err, dev,
+ "GSO expand head fail.\n");
+ goto err_out;
+ }
+ if (skb_shinfo(skb)->gso_type &
+ (SKB_GSO_TCPV4 | SKB_GSO_TCPV6)) {
+ st.txd.txd4 |= TX_DMA_TSO;
+ tcp_hdr(skb)->check = htons(skb_shinfo(skb)->gso_size);
+ }
+ }
+
+next_frag:
+ if (skb_headlen(skb) && fe_tx_dma_map_skb(ring, &st, skb))
+ goto err_dma;
+
+ /* TX SG offload */
+ nr_frags = skb_shinfo(skb)->nr_frags;
+ for (i = 0; i < nr_frags; i++) {
+ struct skb_frag_struct *frag;
+
+ frag = &skb_shinfo(skb)->frags[i];
+ if (fe_tx_dma_map_page(ring, &st, skb_frag_page(frag),
+ frag->page_offset, skb_frag_size(frag)))
+ goto err_dma;
+ }
+
+ skb = fe_next_frag(head, skb);
+ if (skb)
+ goto next_frag;
+
+ /* set last segment */
+ if (st.i & 0x1)
+ st.txd.txd2 |= TX_DMA_LS0;
+ else
+ st.txd.txd2 |= TX_DMA_LS1;
+
+ /* store skb to cleanup */
+ tx_buf = &ring->tx_buf[st.ring_idx];
+ tx_buf->skb = head;
+
+ netdev_sent_queue(dev, head->len);
+ skb_tx_timestamp(head);
+
+ fe_tx_dma_write_desc(ring, &st);
+ ring->tx_next_idx = st.ring_idx;
+
+ /* make sure that all changes to the dma ring are flushed before we
+ * continue
+ */
+ wmb();
+ if (unlikely(fe_empty_txd(ring) <= ring->tx_thresh)) {
+ netif_stop_queue(dev);
+ smp_mb();
+ if (unlikely(fe_empty_txd(ring) > ring->tx_thresh))
+ netif_wake_queue(dev);
+ }
+
+ if (netif_xmit_stopped(netdev_get_tx_queue(dev, 0)) || !head->xmit_more)
+ fe_reg_w32(ring->tx_next_idx, FE_REG_TX_CTX_IDX0);
+
+ return 0;
+
+err_dma:
+ j = ring->tx_next_idx;
+ for (i = 0; i < tx_num; i++) {
+ /* unmap dma */
+ fe_txd_unmap(&dev->dev, &ring->tx_buf[j]);
+ ring->tx_dma[j].txd2 = TX_DMA_DESP2_DEF;
+
+ j = NEXT_TX_DESP_IDX(j);
+ }
+ /* make sure that all changes to the dma ring are flushed before we
+ * continue
+ */
+ wmb();
+
+err_out:
+ return -1;
+}
+
+static inline int fe_skb_padto(struct sk_buff *skb, struct fe_priv *priv)
+{
+ unsigned int len;
+ int ret;
+
+ ret = 0;
+ if (unlikely(skb->len < VLAN_ETH_ZLEN)) {
+ if ((priv->flags & FE_FLAG_PADDING_64B) &&
+ !(priv->flags & FE_FLAG_PADDING_BUG))
+ return ret;
+
+ if (skb_vlan_tag_present(skb))
+ len = ETH_ZLEN;
+ else if (skb->protocol == cpu_to_be16(ETH_P_8021Q))
+ len = VLAN_ETH_ZLEN;
+ else if (!(priv->flags & FE_FLAG_PADDING_64B))
+ len = ETH_ZLEN;
+ else
+ return ret;
+
+ if (skb->len < len) {
+ ret = skb_pad(skb, len - skb->len);
+ if (ret < 0)
+ return ret;
+ skb->len = len;
+ skb_set_tail_pointer(skb, len);
+ }
+ }
+
+ return ret;
+}
+
+static inline int fe_cal_txd_req(struct sk_buff *skb)
+{
+ struct sk_buff *head = skb;
+ int i, nfrags = 0;
+ struct skb_frag_struct *frag;
+
+next_frag:
+ nfrags++;
+ if (skb_is_gso(skb)) {
+ for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
+ frag = &skb_shinfo(skb)->frags[i];
+ nfrags += DIV_ROUND_UP(frag->size, TX_DMA_BUF_LEN);
+ }
+ } else {
+ nfrags += skb_shinfo(skb)->nr_frags;
+ }
+
+ skb = fe_next_frag(head, skb);
+ if (skb)
+ goto next_frag;
+
+ return DIV_ROUND_UP(nfrags, 2);
+}
+
+static int fe_start_xmit(struct sk_buff *skb, struct net_device *dev)
+{
+ struct fe_priv *priv = netdev_priv(dev);
+ struct fe_tx_ring *ring = &priv->tx_ring;
+ struct net_device_stats *stats = &dev->stats;
+ int tx_num;
+ int len = skb->len;
+
+ if (fe_skb_padto(skb, priv)) {
+ netif_warn(priv, tx_err, dev, "tx padding failed!\n");
+ return NETDEV_TX_OK;
+ }
+
+ tx_num = fe_cal_txd_req(skb);
+ if (unlikely(fe_empty_txd(ring) <= tx_num)) {
+ netif_stop_queue(dev);
+ netif_err(priv, tx_queued, dev,
+ "Tx Ring full when queue awake!\n");
+ return NETDEV_TX_BUSY;
+ }
+
+ if (fe_tx_map_dma(skb, dev, tx_num, ring) < 0) {
+ stats->tx_dropped++;
+ } else {
+ stats->tx_packets++;
+ stats->tx_bytes += len;
+ }
+
+ return NETDEV_TX_OK;
+}
+
+static int fe_poll_rx(struct napi_struct *napi, int budget,
+ struct fe_priv *priv, u32 rx_intr)
+{
+ struct net_device *netdev = priv->netdev;
+ struct net_device_stats *stats = &netdev->stats;
+ struct fe_soc_data *soc = priv->soc;
+ struct fe_rx_ring *ring = &priv->rx_ring;
+ int idx = ring->rx_calc_idx;
+ u32 checksum_bit;
+ struct sk_buff *skb;
+ u8 *data, *new_data;
+ struct fe_rx_dma *rxd, trxd;
+ int done = 0, pad;
+
+ if (netdev->features & NETIF_F_RXCSUM)
+ checksum_bit = soc->checksum_bit;
+ else
+ checksum_bit = 0;
+
+ if (priv->flags & FE_FLAG_RX_2B_OFFSET)
+ pad = 0;
+ else
+ pad = NET_IP_ALIGN;
+
+ while (done < budget) {
+ unsigned int pktlen;
+ dma_addr_t dma_addr;
+
+ idx = NEXT_RX_DESP_IDX(idx);
+ rxd = &ring->rx_dma[idx];
+ data = ring->rx_data[idx];
+
+ fe_get_rxd(&trxd, rxd);
+ if (!(trxd.rxd2 & RX_DMA_DONE))
+ break;
+
+ /* alloc new buffer */
+ new_data = page_frag_alloc(&ring->frag_cache, ring->frag_size,
+ GFP_ATOMIC);
+ if (unlikely(!new_data)) {
+ stats->rx_dropped++;
+ goto release_desc;
+ }
+ dma_addr = dma_map_single(&netdev->dev,
+ new_data + NET_SKB_PAD + pad,
+ ring->rx_buf_size,
+ DMA_FROM_DEVICE);
+ if (unlikely(dma_mapping_error(&netdev->dev, dma_addr))) {
+ skb_free_frag(new_data);
+ goto release_desc;
+ }
+
+ /* receive data */
+ skb = build_skb(data, ring->frag_size);
+ if (unlikely(!skb)) {
+ skb_free_frag(new_data);
+ goto release_desc;
+ }
+ skb_reserve(skb, NET_SKB_PAD + NET_IP_ALIGN);
+
+ dma_unmap_single(&netdev->dev, trxd.rxd1,
+ ring->rx_buf_size, DMA_FROM_DEVICE);
+ pktlen = RX_DMA_GET_PLEN0(trxd.rxd2);
+ skb->dev = netdev;
+ skb_put(skb, pktlen);
+ if (trxd.rxd4 & checksum_bit)
+ skb->ip_summed = CHECKSUM_UNNECESSARY;
+ else
+ skb_checksum_none_assert(skb);
+ skb->protocol = eth_type_trans(skb, netdev);
+
+ if (netdev->features & NETIF_F_HW_VLAN_CTAG_RX &&
+ RX_DMA_VID(trxd.rxd3))
+ __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q),
+ RX_DMA_VID(trxd.rxd3));
+
+#ifdef CONFIG_NET_RALINK_OFFLOAD
+ if (mtk_offload_check_rx(priv, skb, trxd.rxd4) == 0) {
+#endif
+ stats->rx_packets++;
+ stats->rx_bytes += pktlen;
+
+ napi_gro_receive(napi, skb);
+#ifdef CONFIG_NET_RALINK_OFFLOAD
+ } else {
+ dev_kfree_skb(skb);
+ }
+#endif
+ ring->rx_data[idx] = new_data;
+ rxd->rxd1 = (unsigned int)dma_addr;
+
+release_desc:
+ if (priv->flags & FE_FLAG_RX_SG_DMA)
+ rxd->rxd2 = RX_DMA_PLEN0(ring->rx_buf_size);
+ else
+ rxd->rxd2 = RX_DMA_LSO;
+
+ ring->rx_calc_idx = idx;
+ /* make sure that all changes to the dma ring are flushed before
+ * we continue
+ */
+ wmb();
+ fe_reg_w32(ring->rx_calc_idx, FE_REG_RX_CALC_IDX0);
+ done++;
+ }
+
+ if (done < budget)
+ fe_reg_w32(rx_intr, FE_REG_FE_INT_STATUS);
+
+ return done;
+}
+
+static int fe_poll_tx(struct fe_priv *priv, int budget, u32 tx_intr,
+ int *tx_again)
+{
+ struct net_device *netdev = priv->netdev;
+ struct device *dev = &netdev->dev;
+ unsigned int bytes_compl = 0;
+ struct sk_buff *skb;
+ struct fe_tx_buf *tx_buf;
+ int done = 0;
+ u32 idx, hwidx;
+ struct fe_tx_ring *ring = &priv->tx_ring;
+
+ idx = ring->tx_free_idx;
+ hwidx = fe_reg_r32(FE_REG_TX_DTX_IDX0);
+
+ while ((idx != hwidx) && budget) {
+ tx_buf = &ring->tx_buf[idx];
+ skb = tx_buf->skb;
+
+ if (!skb)
+ break;
+
+ if (skb != (struct sk_buff *)DMA_DUMMY_DESC) {
+ bytes_compl += skb->len;
+ done++;
+ budget--;
+ }
+ fe_txd_unmap(dev, tx_buf);
+ idx = NEXT_TX_DESP_IDX(idx);
+ }
+ ring->tx_free_idx = idx;
+
+ if (idx == hwidx) {
+ /* read hw index again make sure no new tx packet */
+ hwidx = fe_reg_r32(FE_REG_TX_DTX_IDX0);
+ if (idx == hwidx)
+ fe_reg_w32(tx_intr, FE_REG_FE_INT_STATUS);
+ else
+ *tx_again = 1;
+ } else {
+ *tx_again = 1;
+ }
+
+ if (done) {
+ netdev_completed_queue(netdev, done, bytes_compl);
+ smp_mb();
+ if (unlikely(netif_queue_stopped(netdev) &&
+ (fe_empty_txd(ring) > ring->tx_thresh)))
+ netif_wake_queue(netdev);
+ }
+
+ return done;
+}
+
+static int fe_poll(struct napi_struct *napi, int budget)
+{
+ struct fe_priv *priv = container_of(napi, struct fe_priv, rx_napi);
+ struct fe_hw_stats *hwstat = priv->hw_stats;
+ int tx_done, rx_done, tx_again;
+ u32 status, fe_status, status_reg, mask;
+ u32 tx_intr, rx_intr, status_intr;
+
+ status = fe_reg_r32(FE_REG_FE_INT_STATUS);
+ fe_status = status;
+ tx_intr = priv->soc->tx_int;
+ rx_intr = priv->soc->rx_int;
+ status_intr = priv->soc->status_int;
+ tx_done = 0;
+ rx_done = 0;
+ tx_again = 0;
+
+ if (fe_reg_table[FE_REG_FE_INT_STATUS2]) {
+ fe_status = fe_reg_r32(FE_REG_FE_INT_STATUS2);
+ status_reg = FE_REG_FE_INT_STATUS2;
+ } else {
+ status_reg = FE_REG_FE_INT_STATUS;
+ }
+
+ if (status & tx_intr)
+ tx_done = fe_poll_tx(priv, budget, tx_intr, &tx_again);
+
+ if (status & rx_intr)
+ rx_done = fe_poll_rx(napi, budget, priv, rx_intr);
+
+ if (unlikely(fe_status & status_intr)) {
+ if (hwstat && spin_trylock(&hwstat->stats_lock)) {
+ fe_stats_update(priv);
+ spin_unlock(&hwstat->stats_lock);
+ }
+ fe_reg_w32(status_intr, status_reg);
+ }
+
+ if (unlikely(netif_msg_intr(priv))) {
+ mask = fe_reg_r32(FE_REG_FE_INT_ENABLE);
+ netdev_info(priv->netdev,
+ "done tx %d, rx %d, intr 0x%08x/0x%x\n",
+ tx_done, rx_done, status, mask);
+ }
+
+ if (!tx_again && (rx_done < budget)) {
+ status = fe_reg_r32(FE_REG_FE_INT_STATUS);
+ if (status & (tx_intr | rx_intr)) {
+ /* let napi poll again */
+ rx_done = budget;
+ goto poll_again;
+ }
+
+ napi_complete_done(napi, rx_done);
+ fe_int_enable(tx_intr | rx_intr);
+ } else {
+ rx_done = budget;
+ }
+
+poll_again:
+ return rx_done;
+}
+
+static void fe_tx_timeout(struct net_device *dev)
+{
+ struct fe_priv *priv = netdev_priv(dev);
+ struct fe_tx_ring *ring = &priv->tx_ring;
+
+ priv->netdev->stats.tx_errors++;
+ netif_err(priv, tx_err, dev,
+ "transmit timed out\n");
+ netif_info(priv, drv, dev, "dma_cfg:%08x\n",
+ fe_reg_r32(FE_REG_PDMA_GLO_CFG));
+ netif_info(priv, drv, dev, "tx_ring=%d, "
+ "base=%08x, max=%u, ctx=%u, dtx=%u, fdx=%hu, next=%hu\n",
+ 0, fe_reg_r32(FE_REG_TX_BASE_PTR0),
+ fe_reg_r32(FE_REG_TX_MAX_CNT0),
+ fe_reg_r32(FE_REG_TX_CTX_IDX0),
+ fe_reg_r32(FE_REG_TX_DTX_IDX0),
+ ring->tx_free_idx,
+ ring->tx_next_idx);
+ netif_info(priv, drv, dev,
+ "rx_ring=%d, base=%08x, max=%u, calc=%u, drx=%u\n",
+ 0, fe_reg_r32(FE_REG_RX_BASE_PTR0),
+ fe_reg_r32(FE_REG_RX_MAX_CNT0),
+ fe_reg_r32(FE_REG_RX_CALC_IDX0),
+ fe_reg_r32(FE_REG_RX_DRX_IDX0));
+
+ if (!test_and_set_bit(FE_FLAG_RESET_PENDING, priv->pending_flags))
+ schedule_work(&priv->pending_work);
+}
+
+static irqreturn_t fe_handle_irq(int irq, void *dev)
+{
+ struct fe_priv *priv = netdev_priv(dev);
+ u32 status, int_mask;
+
+ status = fe_reg_r32(FE_REG_FE_INT_STATUS);
+
+ if (unlikely(!status))
+ return IRQ_NONE;
+
+ int_mask = (priv->soc->rx_int | priv->soc->tx_int);
+ if (likely(status & int_mask)) {
+ if (likely(napi_schedule_prep(&priv->rx_napi))) {
+ fe_int_disable(int_mask);
+ __napi_schedule(&priv->rx_napi);
+ }
+ } else {
+ fe_reg_w32(status, FE_REG_FE_INT_STATUS);
+ }
+
+ return IRQ_HANDLED;
+}
+
+#ifdef CONFIG_NET_POLL_CONTROLLER
+static void fe_poll_controller(struct net_device *dev)
+{
+ struct fe_priv *priv = netdev_priv(dev);
+ u32 int_mask = priv->soc->tx_int | priv->soc->rx_int;
+
+ fe_int_disable(int_mask);
+ fe_handle_irq(dev->irq, dev);
+ fe_int_enable(int_mask);
+}
+#endif
+
+int fe_set_clock_cycle(struct fe_priv *priv)
+{
+ unsigned long sysclk = priv->sysclk;
+
+ sysclk /= FE_US_CYC_CNT_DIVISOR;
+ sysclk <<= FE_US_CYC_CNT_SHIFT;
+
+ fe_w32((fe_r32(FE_FE_GLO_CFG) &
+ ~(FE_US_CYC_CNT_MASK << FE_US_CYC_CNT_SHIFT)) |
+ sysclk,
+ FE_FE_GLO_CFG);
+ return 0;
+}
+
+void fe_fwd_config(struct fe_priv *priv)
+{
+ u32 fwd_cfg;
+
+ fwd_cfg = fe_r32(FE_GDMA1_FWD_CFG);
+
+ /* disable jumbo frame */
+ if (priv->flags & FE_FLAG_JUMBO_FRAME)
+ fwd_cfg &= ~FE_GDM1_JMB_EN;
+
+ /* set unicast/multicast/broadcast frame to cpu */
+ fwd_cfg &= ~0xffff;
+
+ fe_w32(fwd_cfg, FE_GDMA1_FWD_CFG);
+}
+
+static void fe_rxcsum_config(bool enable)
+{
+ if (enable)
+ fe_w32(fe_r32(FE_GDMA1_FWD_CFG) | (FE_GDM1_ICS_EN |
+ FE_GDM1_TCS_EN | FE_GDM1_UCS_EN),
+ FE_GDMA1_FWD_CFG);
+ else
+ fe_w32(fe_r32(FE_GDMA1_FWD_CFG) & ~(FE_GDM1_ICS_EN |
+ FE_GDM1_TCS_EN | FE_GDM1_UCS_EN),
+ FE_GDMA1_FWD_CFG);
+}
+
+static void fe_txcsum_config(bool enable)
+{
+ if (enable)
+ fe_w32(fe_r32(FE_CDMA_CSG_CFG) | (FE_ICS_GEN_EN |
+ FE_TCS_GEN_EN | FE_UCS_GEN_EN),
+ FE_CDMA_CSG_CFG);
+ else
+ fe_w32(fe_r32(FE_CDMA_CSG_CFG) & ~(FE_ICS_GEN_EN |
+ FE_TCS_GEN_EN | FE_UCS_GEN_EN),
+ FE_CDMA_CSG_CFG);
+}
+
+void fe_csum_config(struct fe_priv *priv)
+{
+ struct net_device *dev = priv_netdev(priv);
+
+ fe_txcsum_config((dev->features & NETIF_F_IP_CSUM));
+ fe_rxcsum_config((dev->features & NETIF_F_RXCSUM));
+}
+
+static int fe_hw_init(struct net_device *dev)
+{
+ struct fe_priv *priv = netdev_priv(dev);
+ int i, err;
+
+ err = devm_request_irq(priv->dev, dev->irq, fe_handle_irq, 0,
+ dev_name(priv->dev), dev);
+ if (err)
+ return err;
+
+ if (priv->soc->set_mac)
+ priv->soc->set_mac(priv, dev->dev_addr);
+ else
+ fe_hw_set_macaddr(priv, dev->dev_addr);
+
+ /* disable delay interrupt */
+ fe_reg_w32(0, FE_REG_DLY_INT_CFG);
+
+ fe_int_disable(priv->soc->tx_int | priv->soc->rx_int);
+
+ /* frame engine will push VLAN tag regarding to VIDX feild in Tx desc */
+ if (fe_reg_table[FE_REG_FE_DMA_VID_BASE])
+ for (i = 0; i < 16; i += 2)
+ fe_w32(((i + 1) << 16) + i,
+ fe_reg_table[FE_REG_FE_DMA_VID_BASE] +
+ (i * 2));
+
+ if (priv->soc->fwd_config(priv))
+ netdev_err(dev, "unable to get clock\n");
+
+ if (fe_reg_table[FE_REG_FE_RST_GL]) {
+ fe_reg_w32(1, FE_REG_FE_RST_GL);
+ fe_reg_w32(0, FE_REG_FE_RST_GL);
+ }
+
+ return 0;
+}
+
+static int fe_open(struct net_device *dev)
+{
+ struct fe_priv *priv = netdev_priv(dev);
+ unsigned long flags;
+ u32 val;
+ int err;
+
+ err = fe_init_dma(priv);
+ if (err) {
+ fe_free_dma(priv);
+ return err;
+ }
+
+ spin_lock_irqsave(&priv->page_lock, flags);
+
+ val = FE_TX_WB_DDONE | FE_RX_DMA_EN | FE_TX_DMA_EN;
+ if (priv->flags & FE_FLAG_RX_2B_OFFSET)
+ val |= FE_RX_2B_OFFSET;
+ val |= priv->soc->pdma_glo_cfg;
+ fe_reg_w32(val, FE_REG_PDMA_GLO_CFG);
+
+ spin_unlock_irqrestore(&priv->page_lock, flags);
+
+ if (priv->phy)
+ priv->phy->start(priv);
+
+ if (priv->soc->has_carrier && priv->soc->has_carrier(priv))
+ netif_carrier_on(dev);
+
+ napi_enable(&priv->rx_napi);
+ fe_int_enable(priv->soc->tx_int | priv->soc->rx_int);
+ netif_start_queue(dev);
+#ifdef CONFIG_NET_RALINK_OFFLOAD
+ mtk_ppe_probe(priv);
+#endif
+
+ return 0;
+}
+
+static int fe_stop(struct net_device *dev)
+{
+ struct fe_priv *priv = netdev_priv(dev);
+ unsigned long flags;
+ int i;
+
+ netif_tx_disable(dev);
+ fe_int_disable(priv->soc->tx_int | priv->soc->rx_int);
+ napi_disable(&priv->rx_napi);
+
+ if (priv->phy)
+ priv->phy->stop(priv);
+
+ spin_lock_irqsave(&priv->page_lock, flags);
+
+ fe_reg_w32(fe_reg_r32(FE_REG_PDMA_GLO_CFG) &
+ ~(FE_TX_WB_DDONE | FE_RX_DMA_EN | FE_TX_DMA_EN),
+ FE_REG_PDMA_GLO_CFG);
+ spin_unlock_irqrestore(&priv->page_lock, flags);
+
+ /* wait dma stop */
+ for (i = 0; i < 10; i++) {
+ if (fe_reg_r32(FE_REG_PDMA_GLO_CFG) &
+ (FE_TX_DMA_BUSY | FE_RX_DMA_BUSY)) {
+ msleep(20);
+ continue;
+ }
+ break;
+ }
+
+ fe_free_dma(priv);
+
+#ifdef CONFIG_NET_RALINK_OFFLOAD
+ mtk_ppe_remove(priv);
+#endif
+
+ return 0;
+}
+
+static void fe_reset_phy(struct fe_priv *priv)
+{
+ int err, msec = 30;
+ struct gpio_desc *phy_reset;
+
+ phy_reset = devm_gpiod_get_optional(priv->dev, "phy-reset",
+ GPIOD_OUT_HIGH);
+ if (!phy_reset)
+ return;
+
+ if (IS_ERR(phy_reset)) {
+ dev_err(priv->dev, "Error acquiring reset gpio pins: %ld\n",
+ PTR_ERR(phy_reset));
+ return;
+ }
+
+ err = of_property_read_u32(priv->dev->of_node, "phy-reset-duration",
+ &msec);
+ if (!err && msec > 1000)
+ msec = 30;
+
+ if (msec > 20)
+ msleep(msec);
+ else
+ usleep_range(msec * 1000, msec * 1000 + 1000);
+
+ gpiod_set_value(phy_reset, 0);
+}
+
+static int __init fe_init(struct net_device *dev)
+{
+ struct fe_priv *priv = netdev_priv(dev);
+ struct device_node *port;
+ const char *mac_addr;
+ int err;
+
+ priv->soc->reset_fe();
+
+ if (priv->soc->switch_init)
+ if (priv->soc->switch_init(priv)) {
+ netdev_err(dev, "failed to initialize switch core\n");
+ return -ENODEV;
+ }
+
+ fe_reset_phy(priv);
+
+ mac_addr = of_get_mac_address(priv->dev->of_node);
+ if (mac_addr)
+ ether_addr_copy(dev->dev_addr, mac_addr);
+
+ /* If the mac address is invalid, use random mac address */
+ if (!is_valid_ether_addr(dev->dev_addr)) {
+ eth_hw_addr_random(dev);
+ dev_err(priv->dev, "generated random MAC address %pM\n",
+ dev->dev_addr);
+ }
+
+ err = fe_mdio_init(priv);
+ if (err)
+ return err;
+
+ if (priv->soc->port_init)
+ for_each_child_of_node(priv->dev->of_node, port)
+ if (of_device_is_compatible(port, "mediatek,eth-port") &&
+ of_device_is_available(port))
+ priv->soc->port_init(priv, port);
+
+ if (priv->phy) {
+ err = priv->phy->connect(priv);
+ if (err)
+ goto err_phy_disconnect;
+ }
+
+ err = fe_hw_init(dev);
+ if (err)
+ goto err_phy_disconnect;
+
+ if ((priv->flags & FE_FLAG_HAS_SWITCH) && priv->soc->switch_config)
+ priv->soc->switch_config(priv);
+
+ return 0;
+
+err_phy_disconnect:
+ if (priv->phy)
+ priv->phy->disconnect(priv);
+ fe_mdio_cleanup(priv);
+
+ return err;
+}
+
+static void fe_uninit(struct net_device *dev)
+{
+ struct fe_priv *priv = netdev_priv(dev);
+
+ if (priv->phy)
+ priv->phy->disconnect(priv);
+ fe_mdio_cleanup(priv);
+
+ fe_reg_w32(0, FE_REG_FE_INT_ENABLE);
+ free_irq(dev->irq, dev);
+}
+
+static int fe_do_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
+{
+ struct fe_priv *priv = netdev_priv(dev);
+
+ if (!priv->phy_dev)
+ return -ENODEV;
+
+
+ return phy_mii_ioctl(priv->phy_dev, ifr, cmd);
+}
+
+static int fe_change_mtu(struct net_device *dev, int new_mtu)
+{
+ struct fe_priv *priv = netdev_priv(dev);
+ int frag_size, old_mtu;
+ u32 fwd_cfg;
+
+ old_mtu = dev->mtu;
+ dev->mtu = new_mtu;
+
+ if (!(priv->flags & FE_FLAG_JUMBO_FRAME))
+ return 0;
+
+ /* return early if the buffer sizes will not change */
+ if (old_mtu <= ETH_DATA_LEN && new_mtu <= ETH_DATA_LEN)
+ return 0;
+ if (old_mtu > ETH_DATA_LEN && new_mtu > ETH_DATA_LEN)
+ return 0;
+
+ if (new_mtu <= ETH_DATA_LEN)
+ priv->rx_ring.frag_size = fe_max_frag_size(ETH_DATA_LEN);
+ else
+ priv->rx_ring.frag_size = PAGE_SIZE;
+ priv->rx_ring.rx_buf_size = fe_max_buf_size(priv->rx_ring.frag_size);
+
+ if (!netif_running(dev))
+ return 0;
+
+ fe_stop(dev);
+ if (!IS_ENABLED(CONFIG_SOC_MT7621)) {
+ fwd_cfg = fe_r32(FE_GDMA1_FWD_CFG);
+ if (new_mtu <= ETH_DATA_LEN) {
+ fwd_cfg &= ~FE_GDM1_JMB_EN;
+ } else {
+ frag_size = fe_max_frag_size(new_mtu);
+ fwd_cfg &= ~(FE_GDM1_JMB_LEN_MASK << FE_GDM1_JMB_LEN_SHIFT);
+ fwd_cfg |= (DIV_ROUND_UP(frag_size, 1024) <<
+ FE_GDM1_JMB_LEN_SHIFT) | FE_GDM1_JMB_EN;
+ }
+ fe_w32(fwd_cfg, FE_GDMA1_FWD_CFG);
+ }
+
+ return fe_open(dev);
+}
+
+#ifdef CONFIG_NET_RALINK_OFFLOAD
+static int
+fe_flow_offload(enum flow_offload_type type, struct flow_offload *flow,
+ struct flow_offload_hw_path *src,
+ struct flow_offload_hw_path *dest)
+{
+ struct fe_priv *priv;
+
+ if (src->dev != dest->dev)
+ return -EINVAL;
+
+ priv = netdev_priv(src->dev);
+
+ return mtk_flow_offload(priv, type, flow, src, dest);
+}
+#endif
+
+static const struct net_device_ops fe_netdev_ops = {
+ .ndo_init = fe_init,
+ .ndo_uninit = fe_uninit,
+ .ndo_open = fe_open,
+ .ndo_stop = fe_stop,
+ .ndo_start_xmit = fe_start_xmit,
+ .ndo_set_mac_address = fe_set_mac_address,
+ .ndo_validate_addr = eth_validate_addr,
+ .ndo_do_ioctl = fe_do_ioctl,
+ .ndo_change_mtu = fe_change_mtu,
+ .ndo_tx_timeout = fe_tx_timeout,
+ .ndo_get_stats64 = fe_get_stats64,
+ .ndo_vlan_rx_add_vid = fe_vlan_rx_add_vid,
+ .ndo_vlan_rx_kill_vid = fe_vlan_rx_kill_vid,
+#ifdef CONFIG_NET_POLL_CONTROLLER
+ .ndo_poll_controller = fe_poll_controller,
+#endif
+#ifdef CONFIG_NET_RALINK_OFFLOAD
+ .ndo_flow_offload = fe_flow_offload,
+#endif
+};
+
+static void fe_reset_pending(struct fe_priv *priv)
+{
+ struct net_device *dev = priv->netdev;
+ int err;
+
+ rtnl_lock();
+ fe_stop(dev);
+
+ err = fe_open(dev);
+ if (err) {
+ netif_alert(priv, ifup, dev,
+ "Driver up/down cycle failed, closing device.\n");
+ dev_close(dev);
+ }
+ rtnl_unlock();
+}
+
+static const struct fe_work_t fe_work[] = {
+ {FE_FLAG_RESET_PENDING, fe_reset_pending},
+};
+
+static void fe_pending_work(struct work_struct *work)
+{
+ struct fe_priv *priv = container_of(work, struct fe_priv, pending_work);
+ int i;
+ bool pending;
+
+ for (i = 0; i < ARRAY_SIZE(fe_work); i++) {
+ pending = test_and_clear_bit(fe_work[i].bitnr,
+ priv->pending_flags);
+ if (pending)
+ fe_work[i].action(priv);
+ }
+}
+
+static int fe_probe(struct platform_device *pdev)
+{
+ struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ const struct of_device_id *match;
+ struct fe_soc_data *soc;
+ struct net_device *netdev;
+ struct fe_priv *priv;
+ struct clk *sysclk;
+ int err, napi_weight;
+
+ device_reset(&pdev->dev);
+
+ match = of_match_device(of_fe_match, &pdev->dev);
+ soc = (struct fe_soc_data *)match->data;
+
+ if (soc->reg_table)
+ fe_reg_table = soc->reg_table;
+ else
+ soc->reg_table = fe_reg_table;
+
+ fe_base = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(fe_base)) {
+ err = -EADDRNOTAVAIL;
+ goto err_out;
+ }
+
+ netdev = alloc_etherdev(sizeof(*priv));
+ if (!netdev) {
+ dev_err(&pdev->dev, "alloc_etherdev failed\n");
+ err = -ENOMEM;
+ goto err_iounmap;
+ }
+
+ SET_NETDEV_DEV(netdev, &pdev->dev);
+ netdev->netdev_ops = &fe_netdev_ops;
+ netdev->base_addr = (unsigned long)fe_base;
+
+ netdev->irq = platform_get_irq(pdev, 0);
+ if (netdev->irq < 0) {
+ dev_err(&pdev->dev, "no IRQ resource found\n");
+ err = -ENXIO;
+ goto err_free_dev;
+ }
+
+ if (soc->init_data)
+ soc->init_data(soc, netdev);
+ netdev->vlan_features = netdev->hw_features &
+ ~(NETIF_F_HW_VLAN_CTAG_TX |
+ NETIF_F_HW_VLAN_CTAG_RX);
+ netdev->features |= netdev->hw_features;
+
+ if (IS_ENABLED(CONFIG_SOC_MT7621))
+ netdev->max_mtu = 2048;
+
+ /* fake rx vlan filter func. to support tx vlan offload func */
+ if (fe_reg_table[FE_REG_FE_DMA_VID_BASE])
+ netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER;
+
+ priv = netdev_priv(netdev);
+ spin_lock_init(&priv->page_lock);
+ if (fe_reg_table[FE_REG_FE_COUNTER_BASE]) {
+ priv->hw_stats = kzalloc(sizeof(*priv->hw_stats), GFP_KERNEL);
+ if (!priv->hw_stats) {
+ err = -ENOMEM;
+ goto err_free_dev;
+ }
+ spin_lock_init(&priv->hw_stats->stats_lock);
+ }
+
+ sysclk = devm_clk_get(&pdev->dev, NULL);
+ if (!IS_ERR(sysclk)) {
+ priv->sysclk = clk_get_rate(sysclk);
+ } else if ((priv->flags & FE_FLAG_CALIBRATE_CLK)) {
+ dev_err(&pdev->dev, "this soc needs a clk for calibration\n");
+ err = -ENXIO;
+ goto err_free_dev;
+ }
+
+ priv->switch_np = of_parse_phandle(pdev->dev.of_node, "mediatek,switch", 0);
+ if ((priv->flags & FE_FLAG_HAS_SWITCH) && !priv->switch_np) {
+ dev_err(&pdev->dev, "failed to read switch phandle\n");
+ err = -ENODEV;
+ goto err_free_dev;
+ }
+
+ priv->netdev = netdev;
+ priv->dev = &pdev->dev;
+ priv->soc = soc;
+ priv->msg_enable = netif_msg_init(fe_msg_level, FE_DEFAULT_MSG_ENABLE);
+ priv->rx_ring.frag_size = fe_max_frag_size(ETH_DATA_LEN);
+ priv->rx_ring.rx_buf_size = fe_max_buf_size(priv->rx_ring.frag_size);
+ priv->tx_ring.tx_ring_size = NUM_DMA_DESC;
+ priv->rx_ring.rx_ring_size = NUM_DMA_DESC;
+ INIT_WORK(&priv->pending_work, fe_pending_work);
+ u64_stats_init(&priv->hw_stats->syncp);
+
+ napi_weight = 16;
+ if (priv->flags & FE_FLAG_NAPI_WEIGHT) {
+ napi_weight *= 4;
+ priv->tx_ring.tx_ring_size *= 4;
+ priv->rx_ring.rx_ring_size *= 4;
+ }
+ netif_napi_add(netdev, &priv->rx_napi, fe_poll, napi_weight);
+ fe_set_ethtool_ops(netdev);
+
+ err = register_netdev(netdev);
+ if (err) {
+ dev_err(&pdev->dev, "error bringing up device\n");
+ goto err_free_dev;
+ }
+
+ platform_set_drvdata(pdev, netdev);
+
+ netif_info(priv, probe, netdev, "mediatek frame engine at 0x%08lx, irq %d\n",
+ netdev->base_addr, netdev->irq);
+
+ return 0;
+
+err_free_dev:
+ free_netdev(netdev);
+err_iounmap:
+ devm_iounmap(&pdev->dev, fe_base);
+err_out:
+ return err;
+}
+
+static int fe_remove(struct platform_device *pdev)
+{
+ struct net_device *dev = platform_get_drvdata(pdev);
+ struct fe_priv *priv = netdev_priv(dev);
+
+ netif_napi_del(&priv->rx_napi);
+ kfree(priv->hw_stats);
+
+ cancel_work_sync(&priv->pending_work);
+
+ unregister_netdev(dev);
+ free_netdev(dev);
+ platform_set_drvdata(pdev, NULL);
+
+ return 0;
+}
+
+static struct platform_driver fe_driver = {
+ .probe = fe_probe,
+ .remove = fe_remove,
+ .driver = {
+ .name = "mtk_soc_eth",
+ .owner = THIS_MODULE,
+ .of_match_table = of_fe_match,
+ },
+};
+
+module_platform_driver(fe_driver);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("John Crispin <blogic@openwrt.org>");
+MODULE_DESCRIPTION("Ethernet driver for Ralink SoC");
+MODULE_VERSION(MTK_FE_DRV_VERSION);
diff --git a/target/linux/ramips/files/drivers/net/ethernet/ralink/mtk_eth_soc.h b/target/linux/ramips/files/drivers/net/ethernet/ralink/mtk_eth_soc.h
new file mode 100644
index 0000000000..2f6fe1724c
--- /dev/null
+++ b/target/linux/ramips/files/drivers/net/ethernet/ralink/mtk_eth_soc.h
@@ -0,0 +1,532 @@
+/* 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@nbd.name>
+ * Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com>
+ */
+
+#ifndef FE_ETH_H
+#define FE_ETH_H
+
+#include <linux/mii.h>
+#include <linux/interrupt.h>
+#include <linux/netdevice.h>
+#include <linux/dma-mapping.h>
+#include <linux/phy.h>
+#include <linux/ethtool.h>
+#include <linux/version.h>
+
+enum fe_reg {
+ FE_REG_PDMA_GLO_CFG = 0,
+ FE_REG_PDMA_RST_CFG,
+ FE_REG_DLY_INT_CFG,
+ FE_REG_TX_BASE_PTR0,
+ FE_REG_TX_MAX_CNT0,
+ FE_REG_TX_CTX_IDX0,
+ FE_REG_TX_DTX_IDX0,
+ FE_REG_RX_BASE_PTR0,
+ FE_REG_RX_MAX_CNT0,
+ FE_REG_RX_CALC_IDX0,
+ FE_REG_RX_DRX_IDX0,
+ FE_REG_FE_INT_ENABLE,
+ FE_REG_FE_INT_STATUS,
+ FE_REG_FE_DMA_VID_BASE,
+ FE_REG_FE_COUNTER_BASE,
+ FE_REG_FE_RST_GL,
+ FE_REG_FE_INT_STATUS2,
+ FE_REG_COUNT
+};
+
+enum fe_work_flag {
+ FE_FLAG_RESET_PENDING,
+ FE_FLAG_MAX
+};
+
+#define MTK_FE_DRV_VERSION "0.1.2"
+
+/* power of 2 to let NEXT_TX_DESP_IDX work */
+#define NUM_DMA_DESC BIT(10)
+#define MAX_DMA_DESC 0xfff
+
+#define FE_DELAY_EN_INT 0x80
+#define FE_DELAY_MAX_INT 0x04
+#define FE_DELAY_MAX_TOUT 0x04
+#define FE_DELAY_TIME 20
+#define FE_DELAY_CHAN (((FE_DELAY_EN_INT | FE_DELAY_MAX_INT) << 8) | \
+ FE_DELAY_MAX_TOUT)
+#define FE_DELAY_INIT ((FE_DELAY_CHAN << 16) | FE_DELAY_CHAN)
+#define FE_PSE_FQFC_CFG_INIT 0x80504000
+#define FE_PSE_FQFC_CFG_256Q 0xff908000
+
+/* interrupt bits */
+#define FE_CNT_PPE_AF BIT(31)
+#define FE_CNT_GDM_AF BIT(29)
+#define FE_PSE_P2_FC BIT(26)
+#define FE_PSE_BUF_DROP BIT(24)
+#define FE_GDM_OTHER_DROP BIT(23)
+#define FE_PSE_P1_FC BIT(22)
+#define FE_PSE_P0_FC BIT(21)
+#define FE_PSE_FQ_EMPTY BIT(20)
+#define FE_GE1_STA_CHG BIT(18)
+#define FE_TX_COHERENT BIT(17)
+#define FE_RX_COHERENT BIT(16)
+#define FE_TX_DONE_INT3 BIT(11)
+#define FE_TX_DONE_INT2 BIT(10)
+#define FE_TX_DONE_INT1 BIT(9)
+#define FE_TX_DONE_INT0 BIT(8)
+#define FE_RX_DONE_INT0 BIT(2)
+#define FE_TX_DLY_INT BIT(1)
+#define FE_RX_DLY_INT BIT(0)
+
+#define FE_RX_DONE_INT FE_RX_DONE_INT0
+#define FE_TX_DONE_INT (FE_TX_DONE_INT0 | FE_TX_DONE_INT1 | \
+ FE_TX_DONE_INT2 | FE_TX_DONE_INT3)
+
+#define RT5350_RX_DLY_INT BIT(30)
+#define RT5350_TX_DLY_INT BIT(28)
+#define RT5350_RX_DONE_INT1 BIT(17)
+#define RT5350_RX_DONE_INT0 BIT(16)
+#define RT5350_TX_DONE_INT3 BIT(3)
+#define RT5350_TX_DONE_INT2 BIT(2)
+#define RT5350_TX_DONE_INT1 BIT(1)
+#define RT5350_TX_DONE_INT0 BIT(0)
+
+#define RT5350_RX_DONE_INT (RT5350_RX_DONE_INT0 | RT5350_RX_DONE_INT1)
+#define RT5350_TX_DONE_INT (RT5350_TX_DONE_INT0 | RT5350_TX_DONE_INT1 | \
+ RT5350_TX_DONE_INT2 | RT5350_TX_DONE_INT3)
+
+/* registers */
+#define FE_FE_OFFSET 0x0000
+#define FE_GDMA_OFFSET 0x0020
+#define FE_PSE_OFFSET 0x0040
+#define FE_GDMA2_OFFSET 0x0060
+#define FE_CDMA_OFFSET 0x0080
+#define FE_DMA_VID0 0x00a8
+#define FE_PDMA_OFFSET 0x0100
+#define FE_PPE_OFFSET 0x0200
+#define FE_CMTABLE_OFFSET 0x0400
+#define FE_POLICYTABLE_OFFSET 0x1000
+
+#define RT5350_PDMA_OFFSET 0x0800
+#define RT5350_SDM_OFFSET 0x0c00
+
+#define FE_MDIO_ACCESS (FE_FE_OFFSET + 0x00)
+#define FE_MDIO_CFG (FE_FE_OFFSET + 0x04)
+#define FE_FE_GLO_CFG (FE_FE_OFFSET + 0x08)
+#define FE_FE_RST_GL (FE_FE_OFFSET + 0x0C)
+#define FE_FE_INT_STATUS (FE_FE_OFFSET + 0x10)
+#define FE_FE_INT_ENABLE (FE_FE_OFFSET + 0x14)
+#define FE_MDIO_CFG2 (FE_FE_OFFSET + 0x18)
+#define FE_FOC_TS_T (FE_FE_OFFSET + 0x1C)
+
+#define FE_GDMA1_FWD_CFG (FE_GDMA_OFFSET + 0x00)
+#define FE_GDMA1_SCH_CFG (FE_GDMA_OFFSET + 0x04)
+#define FE_GDMA1_SHPR_CFG (FE_GDMA_OFFSET + 0x08)
+#define FE_GDMA1_MAC_ADRL (FE_GDMA_OFFSET + 0x0C)
+#define FE_GDMA1_MAC_ADRH (FE_GDMA_OFFSET + 0x10)
+
+#define FE_GDMA2_FWD_CFG (FE_GDMA2_OFFSET + 0x00)
+#define FE_GDMA2_SCH_CFG (FE_GDMA2_OFFSET + 0x04)
+#define FE_GDMA2_SHPR_CFG (FE_GDMA2_OFFSET + 0x08)
+#define FE_GDMA2_MAC_ADRL (FE_GDMA2_OFFSET + 0x0C)
+#define FE_GDMA2_MAC_ADRH (FE_GDMA2_OFFSET + 0x10)
+
+#define FE_PSE_FQ_CFG (FE_PSE_OFFSET + 0x00)
+#define FE_CDMA_FC_CFG (FE_PSE_OFFSET + 0x04)
+#define FE_GDMA1_FC_CFG (FE_PSE_OFFSET + 0x08)
+#define FE_GDMA2_FC_CFG (FE_PSE_OFFSET + 0x0C)
+
+#define FE_CDMA_CSG_CFG (FE_CDMA_OFFSET + 0x00)
+#define FE_CDMA_SCH_CFG (FE_CDMA_OFFSET + 0x04)
+
+#ifdef CONFIG_SOC_MT7621
+#define MT7620A_GDMA_OFFSET 0x0500
+#else
+#define MT7620A_GDMA_OFFSET 0x0600
+#endif
+#define MT7620A_GDMA1_FWD_CFG (MT7620A_GDMA_OFFSET + 0x00)
+#define MT7620A_FE_GDMA1_SCH_CFG (MT7620A_GDMA_OFFSET + 0x04)
+#define MT7620A_FE_GDMA1_SHPR_CFG (MT7620A_GDMA_OFFSET + 0x08)
+#define MT7620A_FE_GDMA1_MAC_ADRL (MT7620A_GDMA_OFFSET + 0x0C)
+#define MT7620A_FE_GDMA1_MAC_ADRH (MT7620A_GDMA_OFFSET + 0x10)
+
+#define RT5350_TX_BASE_PTR0 (RT5350_PDMA_OFFSET + 0x00)
+#define RT5350_TX_MAX_CNT0 (RT5350_PDMA_OFFSET + 0x04)
+#define RT5350_TX_CTX_IDX0 (RT5350_PDMA_OFFSET + 0x08)
+#define RT5350_TX_DTX_IDX0 (RT5350_PDMA_OFFSET + 0x0C)
+#define RT5350_TX_BASE_PTR1 (RT5350_PDMA_OFFSET + 0x10)
+#define RT5350_TX_MAX_CNT1 (RT5350_PDMA_OFFSET + 0x14)
+#define RT5350_TX_CTX_IDX1 (RT5350_PDMA_OFFSET + 0x18)
+#define RT5350_TX_DTX_IDX1 (RT5350_PDMA_OFFSET + 0x1C)
+#define RT5350_TX_BASE_PTR2 (RT5350_PDMA_OFFSET + 0x20)
+#define RT5350_TX_MAX_CNT2 (RT5350_PDMA_OFFSET + 0x24)
+#define RT5350_TX_CTX_IDX2 (RT5350_PDMA_OFFSET + 0x28)
+#define RT5350_TX_DTX_IDX2 (RT5350_PDMA_OFFSET + 0x2C)
+#define RT5350_TX_BASE_PTR3 (RT5350_PDMA_OFFSET + 0x30)
+#define RT5350_TX_MAX_CNT3 (RT5350_PDMA_OFFSET + 0x34)
+#define RT5350_TX_CTX_IDX3 (RT5350_PDMA_OFFSET + 0x38)
+#define RT5350_TX_DTX_IDX3 (RT5350_PDMA_OFFSET + 0x3C)
+#define RT5350_RX_BASE_PTR0 (RT5350_PDMA_OFFSET + 0x100)
+#define RT5350_RX_MAX_CNT0 (RT5350_PDMA_OFFSET + 0x104)
+#define RT5350_RX_CALC_IDX0 (RT5350_PDMA_OFFSET + 0x108)
+#define RT5350_RX_DRX_IDX0 (RT5350_PDMA_OFFSET + 0x10C)
+#define RT5350_RX_BASE_PTR1 (RT5350_PDMA_OFFSET + 0x110)
+#define RT5350_RX_MAX_CNT1 (RT5350_PDMA_OFFSET + 0x114)
+#define RT5350_RX_CALC_IDX1 (RT5350_PDMA_OFFSET + 0x118)
+#define RT5350_RX_DRX_IDX1 (RT5350_PDMA_OFFSET + 0x11C)
+#define RT5350_PDMA_GLO_CFG (RT5350_PDMA_OFFSET + 0x204)
+#define RT5350_PDMA_RST_CFG (RT5350_PDMA_OFFSET + 0x208)
+#define RT5350_DLY_INT_CFG (RT5350_PDMA_OFFSET + 0x20c)
+#define RT5350_FE_INT_STATUS (RT5350_PDMA_OFFSET + 0x220)
+#define RT5350_FE_INT_ENABLE (RT5350_PDMA_OFFSET + 0x228)
+#define RT5350_PDMA_SCH_CFG (RT5350_PDMA_OFFSET + 0x280)
+
+#define FE_PDMA_GLO_CFG (FE_PDMA_OFFSET + 0x00)
+#define FE_PDMA_RST_CFG (FE_PDMA_OFFSET + 0x04)
+#define FE_PDMA_SCH_CFG (FE_PDMA_OFFSET + 0x08)
+#define FE_DLY_INT_CFG (FE_PDMA_OFFSET + 0x0C)
+#define FE_TX_BASE_PTR0 (FE_PDMA_OFFSET + 0x10)
+#define FE_TX_MAX_CNT0 (FE_PDMA_OFFSET + 0x14)
+#define FE_TX_CTX_IDX0 (FE_PDMA_OFFSET + 0x18)
+#define FE_TX_DTX_IDX0 (FE_PDMA_OFFSET + 0x1C)
+#define FE_TX_BASE_PTR1 (FE_PDMA_OFFSET + 0x20)
+#define FE_TX_MAX_CNT1 (FE_PDMA_OFFSET + 0x24)
+#define FE_TX_CTX_IDX1 (FE_PDMA_OFFSET + 0x28)
+#define FE_TX_DTX_IDX1 (FE_PDMA_OFFSET + 0x2C)
+#define FE_RX_BASE_PTR0 (FE_PDMA_OFFSET + 0x30)
+#define FE_RX_MAX_CNT0 (FE_PDMA_OFFSET + 0x34)
+#define FE_RX_CALC_IDX0 (FE_PDMA_OFFSET + 0x38)
+#define FE_RX_DRX_IDX0 (FE_PDMA_OFFSET + 0x3C)
+#define FE_TX_BASE_PTR2 (FE_PDMA_OFFSET + 0x40)
+#define FE_TX_MAX_CNT2 (FE_PDMA_OFFSET + 0x44)
+#define FE_TX_CTX_IDX2 (FE_PDMA_OFFSET + 0x48)
+#define FE_TX_DTX_IDX2 (FE_PDMA_OFFSET + 0x4C)
+#define FE_TX_BASE_PTR3 (FE_PDMA_OFFSET + 0x50)
+#define FE_TX_MAX_CNT3 (FE_PDMA_OFFSET + 0x54)
+#define FE_TX_CTX_IDX3 (FE_PDMA_OFFSET + 0x58)
+#define FE_TX_DTX_IDX3 (FE_PDMA_OFFSET + 0x5C)
+#define FE_RX_BASE_PTR1 (FE_PDMA_OFFSET + 0x60)
+#define FE_RX_MAX_CNT1 (FE_PDMA_OFFSET + 0x64)
+#define FE_RX_CALC_IDX1 (FE_PDMA_OFFSET + 0x68)
+#define FE_RX_DRX_IDX1 (FE_PDMA_OFFSET + 0x6C)
+
+/* Switch DMA configuration */
+#define RT5350_SDM_CFG (RT5350_SDM_OFFSET + 0x00)
+#define RT5350_SDM_RRING (RT5350_SDM_OFFSET + 0x04)
+#define RT5350_SDM_TRING (RT5350_SDM_OFFSET + 0x08)
+#define RT5350_SDM_MAC_ADRL (RT5350_SDM_OFFSET + 0x0C)
+#define RT5350_SDM_MAC_ADRH (RT5350_SDM_OFFSET + 0x10)
+#define RT5350_SDM_TPCNT (RT5350_SDM_OFFSET + 0x100)
+#define RT5350_SDM_TBCNT (RT5350_SDM_OFFSET + 0x104)
+#define RT5350_SDM_RPCNT (RT5350_SDM_OFFSET + 0x108)
+#define RT5350_SDM_RBCNT (RT5350_SDM_OFFSET + 0x10C)
+#define RT5350_SDM_CS_ERR (RT5350_SDM_OFFSET + 0x110)
+
+#define RT5350_SDM_ICS_EN BIT(16)
+#define RT5350_SDM_TCS_EN BIT(17)
+#define RT5350_SDM_UCS_EN BIT(18)
+
+/* MDIO_CFG register bits */
+#define FE_MDIO_CFG_AUTO_POLL_EN BIT(29)
+#define FE_MDIO_CFG_GP1_BP_EN BIT(16)
+#define FE_MDIO_CFG_GP1_FRC_EN BIT(15)
+#define FE_MDIO_CFG_GP1_SPEED_10 (0 << 13)
+#define FE_MDIO_CFG_GP1_SPEED_100 (1 << 13)
+#define FE_MDIO_CFG_GP1_SPEED_1000 (2 << 13)
+#define FE_MDIO_CFG_GP1_DUPLEX BIT(12)
+#define FE_MDIO_CFG_GP1_FC_TX BIT(11)
+#define FE_MDIO_CFG_GP1_FC_RX BIT(10)
+#define FE_MDIO_CFG_GP1_LNK_DWN BIT(9)
+#define FE_MDIO_CFG_GP1_AN_FAIL BIT(8)
+#define FE_MDIO_CFG_MDC_CLK_DIV_1 (0 << 6)
+#define FE_MDIO_CFG_MDC_CLK_DIV_2 (1 << 6)
+#define FE_MDIO_CFG_MDC_CLK_DIV_4 (2 << 6)
+#define FE_MDIO_CFG_MDC_CLK_DIV_8 (3 << 6)
+#define FE_MDIO_CFG_TURBO_MII_FREQ BIT(5)
+#define FE_MDIO_CFG_TURBO_MII_MODE BIT(4)
+#define FE_MDIO_CFG_RX_CLK_SKEW_0 (0 << 2)
+#define FE_MDIO_CFG_RX_CLK_SKEW_200 (1 << 2)
+#define FE_MDIO_CFG_RX_CLK_SKEW_400 (2 << 2)
+#define FE_MDIO_CFG_RX_CLK_SKEW_INV (3 << 2)
+#define FE_MDIO_CFG_TX_CLK_SKEW_0 0
+#define FE_MDIO_CFG_TX_CLK_SKEW_200 1
+#define FE_MDIO_CFG_TX_CLK_SKEW_400 2
+#define FE_MDIO_CFG_TX_CLK_SKEW_INV 3
+
+/* uni-cast port */
+#define FE_GDM1_JMB_LEN_MASK 0xf
+#define FE_GDM1_JMB_LEN_SHIFT 28
+#define FE_GDM1_ICS_EN BIT(22)
+#define FE_GDM1_TCS_EN BIT(21)
+#define FE_GDM1_UCS_EN BIT(20)
+#define FE_GDM1_JMB_EN BIT(19)
+#define FE_GDM1_STRPCRC BIT(16)
+#define FE_GDM1_UFRC_P_CPU (0 << 12)
+#define FE_GDM1_UFRC_P_GDMA1 (1 << 12)
+#define FE_GDM1_UFRC_P_PPE (6 << 12)
+
+/* checksums */
+#define FE_ICS_GEN_EN BIT(2)
+#define FE_UCS_GEN_EN BIT(1)
+#define FE_TCS_GEN_EN BIT(0)
+
+/* dma ring */
+#define FE_PST_DRX_IDX0 BIT(16)
+#define FE_PST_DTX_IDX3 BIT(3)
+#define FE_PST_DTX_IDX2 BIT(2)
+#define FE_PST_DTX_IDX1 BIT(1)
+#define FE_PST_DTX_IDX0 BIT(0)
+
+#define FE_RX_2B_OFFSET BIT(31)
+#define FE_TX_WB_DDONE BIT(6)
+#define FE_RX_DMA_BUSY BIT(3)
+#define FE_TX_DMA_BUSY BIT(1)
+#define FE_RX_DMA_EN BIT(2)
+#define FE_TX_DMA_EN BIT(0)
+
+#define FE_PDMA_SIZE_4DWORDS (0 << 4)
+#define FE_PDMA_SIZE_8DWORDS (1 << 4)
+#define FE_PDMA_SIZE_16DWORDS (2 << 4)
+
+#define FE_US_CYC_CNT_MASK 0xff
+#define FE_US_CYC_CNT_SHIFT 0x8
+#define FE_US_CYC_CNT_DIVISOR 1000000
+
+/* rxd2 */
+#define RX_DMA_DONE BIT(31)
+#define RX_DMA_LSO BIT(30)
+#define RX_DMA_PLEN0(_x) (((_x) & 0x3fff) << 16)
+#define RX_DMA_GET_PLEN0(_x) (((_x) >> 16) & 0x3fff)
+#define RX_DMA_TAG BIT(15)
+/* rxd3 */
+#define RX_DMA_TPID(_x) (((_x) >> 16) & 0xffff)
+#define RX_DMA_VID(_x) ((_x) & 0xffff)
+/* rxd4 */
+#define RX_DMA_L4VALID BIT(30)
+
+struct fe_rx_dma {
+ unsigned int rxd1;
+ unsigned int rxd2;
+ unsigned int rxd3;
+ unsigned int rxd4;
+} __packed __aligned(4);
+
+#define TX_DMA_BUF_LEN 0x3fff
+#define TX_DMA_PLEN0_MASK (TX_DMA_BUF_LEN << 16)
+#define TX_DMA_PLEN0(_x) (((_x) & TX_DMA_BUF_LEN) << 16)
+#define TX_DMA_PLEN1(_x) ((_x) & TX_DMA_BUF_LEN)
+#define TX_DMA_GET_PLEN0(_x) (((_x) >> 16) & TX_DMA_BUF_LEN)
+#define TX_DMA_GET_PLEN1(_x) ((_x) & TX_DMA_BUF_LEN)
+#define TX_DMA_LS1 BIT(14)
+#define TX_DMA_LS0 BIT(30)
+#define TX_DMA_DONE BIT(31)
+
+#define TX_DMA_INS_VLAN_MT7621 BIT(16)
+#define TX_DMA_INS_VLAN BIT(7)
+#define TX_DMA_INS_PPPOE BIT(12)
+#define TX_DMA_QN(_x) ((_x) << 16)
+#define TX_DMA_PN(_x) ((_x) << 24)
+#define TX_DMA_QN_MASK TX_DMA_QN(0x7)
+#define TX_DMA_PN_MASK TX_DMA_PN(0x7)
+#define TX_DMA_UDF BIT(20)
+#define TX_DMA_CHKSUM (0x7 << 29)
+#define TX_DMA_TSO BIT(28)
+
+/* frame engine counters */
+#define FE_PPE_AC_BCNT0 (FE_CMTABLE_OFFSET + 0x00)
+#define FE_GDMA1_TX_GBCNT (FE_CMTABLE_OFFSET + 0x300)
+#define FE_GDMA2_TX_GBCNT (FE_GDMA1_TX_GBCNT + 0x40)
+
+/* phy device flags */
+#define FE_PHY_FLAG_PORT BIT(0)
+#define FE_PHY_FLAG_ATTACH BIT(1)
+
+struct fe_tx_dma {
+ unsigned int txd1;
+ unsigned int txd2;
+ unsigned int txd3;
+ unsigned int txd4;
+} __packed __aligned(4);
+
+struct fe_priv;
+
+struct fe_phy {
+ /* make sure that phy operations are atomic */
+ spinlock_t lock;
+
+ struct phy_device *phy[8];
+ struct device_node *phy_node[8];
+ const __be32 *phy_fixed[8];
+ int duplex[8];
+ int speed[8];
+ int tx_fc[8];
+ int rx_fc[8];
+ int (*connect)(struct fe_priv *priv);
+ void (*disconnect)(struct fe_priv *priv);
+ void (*start)(struct fe_priv *priv);
+ void (*stop)(struct fe_priv *priv);
+};
+
+struct fe_soc_data {
+ const u16 *reg_table;
+
+ void (*init_data)(struct fe_soc_data *data, struct net_device *netdev);
+ void (*reset_fe)(void);
+ void (*set_mac)(struct fe_priv *priv, unsigned char *mac);
+ int (*fwd_config)(struct fe_priv *priv);
+ void (*tx_dma)(struct fe_tx_dma *txd);
+ int (*switch_init)(struct fe_priv *priv);
+ int (*switch_config)(struct fe_priv *priv);
+ void (*port_init)(struct fe_priv *priv, struct device_node *port);
+ int (*has_carrier)(struct fe_priv *priv);
+ int (*mdio_init)(struct fe_priv *priv);
+ void (*mdio_cleanup)(struct fe_priv *priv);
+ int (*mdio_write)(struct mii_bus *bus, int phy_addr, int phy_reg,
+ u16 val);
+ int (*mdio_read)(struct mii_bus *bus, int phy_addr, int phy_reg);
+ void (*mdio_adjust_link)(struct fe_priv *priv, int port);
+
+ void *swpriv;
+ u32 pdma_glo_cfg;
+ u32 rx_int;
+ u32 tx_int;
+ u32 status_int;
+ u32 checksum_bit;
+};
+
+#define FE_FLAG_PADDING_64B BIT(0)
+#define FE_FLAG_PADDING_BUG BIT(1)
+#define FE_FLAG_JUMBO_FRAME BIT(2)
+#define FE_FLAG_RX_2B_OFFSET BIT(3)
+#define FE_FLAG_RX_SG_DMA BIT(4)
+#define FE_FLAG_NAPI_WEIGHT BIT(6)
+#define FE_FLAG_CALIBRATE_CLK BIT(7)
+#define FE_FLAG_HAS_SWITCH BIT(8)
+
+#define FE_STAT_REG_DECLARE \
+ _FE(tx_bytes) \
+ _FE(tx_packets) \
+ _FE(tx_skip) \
+ _FE(tx_collisions) \
+ _FE(rx_bytes) \
+ _FE(rx_packets) \
+ _FE(rx_overflow) \
+ _FE(rx_fcs_errors) \
+ _FE(rx_short_errors) \
+ _FE(rx_long_errors) \
+ _FE(rx_checksum_errors) \
+ _FE(rx_flow_control_packets)
+
+struct fe_hw_stats {
+ /* make sure that stats operations are atomic */
+ spinlock_t stats_lock;
+
+ struct u64_stats_sync syncp;
+#define _FE(x) u64 x;
+ FE_STAT_REG_DECLARE
+#undef _FE
+};
+
+struct fe_tx_buf {
+ struct sk_buff *skb;
+ DEFINE_DMA_UNMAP_ADDR(dma_addr0);
+ DEFINE_DMA_UNMAP_ADDR(dma_addr1);
+ u16 dma_len0;
+ u16 dma_len1;
+};
+
+struct fe_tx_ring {
+ struct fe_tx_dma *tx_dma;
+ struct fe_tx_buf *tx_buf;
+ dma_addr_t tx_phys;
+ u16 tx_ring_size;
+ u16 tx_free_idx;
+ u16 tx_next_idx;
+ u16 tx_thresh;
+};
+
+struct fe_rx_ring {
+ struct page_frag_cache frag_cache;
+ struct fe_rx_dma *rx_dma;
+ u8 **rx_data;
+ dma_addr_t rx_phys;
+ u16 rx_ring_size;
+ u16 frag_size;
+ u16 rx_buf_size;
+ u16 rx_calc_idx;
+};
+
+struct fe_priv {
+ /* make sure that register operations are atomic */
+ spinlock_t page_lock;
+
+ struct fe_soc_data *soc;
+ struct net_device *netdev;
+ struct device_node *switch_np;
+ u32 msg_enable;
+ u32 flags;
+
+ struct device *dev;
+ unsigned long sysclk;
+
+ struct fe_rx_ring rx_ring;
+ struct napi_struct rx_napi;
+
+ struct fe_tx_ring tx_ring;
+
+ struct fe_phy *phy;
+ struct mii_bus *mii_bus;
+ struct phy_device *phy_dev;
+ u32 phy_flags;
+
+ int link[8];
+
+ struct fe_hw_stats *hw_stats;
+ unsigned long vlan_map;
+ struct work_struct pending_work;
+ DECLARE_BITMAP(pending_flags, FE_FLAG_MAX);
+
+ struct reset_control *rst_ppe;
+ struct mtk_foe_entry *foe_table;
+ dma_addr_t foe_table_phys;
+ struct flow_offload __rcu **foe_flow_table;
+};
+
+extern const struct of_device_id of_fe_match[];
+
+void fe_w32(u32 val, unsigned reg);
+void fe_m32(struct fe_priv *priv, u32 clear, u32 set, unsigned reg);
+u32 fe_r32(unsigned reg);
+
+int fe_set_clock_cycle(struct fe_priv *priv);
+void fe_csum_config(struct fe_priv *priv);
+void fe_stats_update(struct fe_priv *priv);
+void fe_fwd_config(struct fe_priv *priv);
+void fe_reg_w32(u32 val, enum fe_reg reg);
+u32 fe_reg_r32(enum fe_reg reg);
+
+void fe_reset(u32 reset_bits);
+
+static inline void *priv_netdev(struct fe_priv *priv)
+{
+ return (char *)priv - ALIGN(sizeof(struct net_device), NETDEV_ALIGN);
+}
+
+int mtk_ppe_probe(struct fe_priv *eth);
+void mtk_ppe_remove(struct fe_priv *eth);
+int mtk_flow_offload(struct fe_priv *eth,
+ enum flow_offload_type type,
+ struct flow_offload *flow,
+ struct flow_offload_hw_path *src,
+ struct flow_offload_hw_path *dest);
+int mtk_offload_check_rx(struct fe_priv *eth, struct sk_buff *skb, u32 rxd4);
+
+
+#endif /* FE_ETH_H */
diff --git a/target/linux/ramips/files/drivers/net/ethernet/ralink/mtk_offload.c b/target/linux/ramips/files/drivers/net/ethernet/ralink/mtk_offload.c
new file mode 100644
index 0000000000..2fd424f6e3
--- /dev/null
+++ b/target/linux/ramips/files/drivers/net/ethernet/ralink/mtk_offload.c
@@ -0,0 +1,540 @@
+/* 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) 2018 John Crispin <john@phrozen.org>
+ */
+
+#include "mtk_offload.h"
+
+#define INVALID 0
+#define UNBIND 1
+#define BIND 2
+#define FIN 3
+
+#define IPV4_HNAPT 0
+#define IPV4_HNAT 1
+
+static u32
+mtk_flow_hash_v4(struct flow_offload_tuple *tuple)
+{
+ u32 ports = ntohs(tuple->src_port) << 16 | ntohs(tuple->dst_port);
+ u32 src = ntohl(tuple->dst_v4.s_addr);
+ u32 dst = ntohl(tuple->src_v4.s_addr);
+ u32 hash = (ports & src) | ((~ports) & dst);
+ u32 hash_23_0 = hash & 0xffffff;
+ u32 hash_31_24 = hash & 0xff000000;
+
+ hash = ports ^ src ^ dst ^ ((hash_23_0 << 8) | (hash_31_24 >> 24));
+ hash = ((hash & 0xffff0000) >> 16 ) ^ (hash & 0xfffff);
+ hash &= 0x7ff;
+ hash *= 2;;
+
+ return hash;
+}
+
+static int
+mtk_foe_prepare_v4(struct mtk_foe_entry *entry,
+ struct flow_offload_tuple *tuple,
+ struct flow_offload_tuple *dest_tuple,
+ struct flow_offload_hw_path *src,
+ struct flow_offload_hw_path *dest)
+{
+ int is_mcast = !!is_multicast_ether_addr(dest->eth_dest);
+
+ if (tuple->l4proto == IPPROTO_UDP)
+ entry->ipv4_hnapt.bfib1.udp = 1;
+
+ entry->ipv4_hnapt.etype = htons(ETH_P_IP);
+ entry->ipv4_hnapt.bfib1.pkt_type = IPV4_HNAPT;
+ entry->ipv4_hnapt.iblk2.fqos = 0;
+ entry->ipv4_hnapt.bfib1.ttl = 1;
+ entry->ipv4_hnapt.bfib1.cah = 1;
+ entry->ipv4_hnapt.bfib1.ka = 1;
+ entry->ipv4_hnapt.iblk2.mcast = is_mcast;
+ entry->ipv4_hnapt.iblk2.dscp = 0;
+ entry->ipv4_hnapt.iblk2.port_mg = 0x3f;
+ entry->ipv4_hnapt.iblk2.port_ag = 0x1f;
+#ifdef CONFIG_NET_RALINK_HW_QOS
+ entry->ipv4_hnapt.iblk2.qid = 1;
+ entry->ipv4_hnapt.iblk2.fqos = 1;
+#endif
+#ifdef CONFIG_RALINK
+ entry->ipv4_hnapt.iblk2.dp = 1;
+ if ((dest->flags & FLOW_OFFLOAD_PATH_VLAN) && (dest->vlan_id > 1))
+ entry->ipv4_hnapt.iblk2.qid += 8;
+#else
+ entry->ipv4_hnapt.iblk2.dp = (dest->dev->name[3] - '0') + 1;
+#endif
+
+ entry->ipv4_hnapt.sip = ntohl(tuple->src_v4.s_addr);
+ entry->ipv4_hnapt.dip = ntohl(tuple->dst_v4.s_addr);
+ entry->ipv4_hnapt.sport = ntohs(tuple->src_port);
+ entry->ipv4_hnapt.dport = ntohs(tuple->dst_port);
+
+ entry->ipv4_hnapt.new_sip = ntohl(dest_tuple->dst_v4.s_addr);
+ entry->ipv4_hnapt.new_dip = ntohl(dest_tuple->src_v4.s_addr);
+ entry->ipv4_hnapt.new_sport = ntohs(dest_tuple->dst_port);
+ entry->ipv4_hnapt.new_dport = ntohs(dest_tuple->src_port);
+
+ entry->bfib1.state = BIND;
+
+ if (dest->flags & FLOW_OFFLOAD_PATH_PPPOE) {
+ entry->bfib1.psn = 1;
+ entry->ipv4_hnapt.etype = htons(ETH_P_PPP_SES);
+ entry->ipv4_hnapt.pppoe_id = dest->pppoe_sid;
+ }
+
+ if (dest->flags & FLOW_OFFLOAD_PATH_VLAN) {
+ entry->ipv4_hnapt.vlan1 = dest->vlan_id;
+ entry->bfib1.vlan_layer = 1;
+
+ switch (dest->vlan_proto) {
+ case htons(ETH_P_8021Q):
+ entry->ipv4_hnapt.bfib1.vpm = 1;
+ break;
+ case htons(ETH_P_8021AD):
+ entry->ipv4_hnapt.bfib1.vpm = 2;
+ break;
+ default:
+ return -EINVAL;
+ }
+ }
+
+ return 0;
+}
+
+static void
+mtk_foe_set_mac(struct mtk_foe_entry *entry, u8 *smac, u8 *dmac)
+{
+ entry->ipv4_hnapt.dmac_hi = swab32(*((u32*) dmac));
+ entry->ipv4_hnapt.dmac_lo = swab16(*((u16*) &dmac[4]));
+ entry->ipv4_hnapt.smac_hi = swab32(*((u32*) smac));
+ entry->ipv4_hnapt.smac_lo = swab16(*((u16*) &smac[4]));
+}
+
+static int
+mtk_check_entry_available(struct mtk_eth *eth, u32 hash)
+{
+ struct mtk_foe_entry entry = ((struct mtk_foe_entry *)eth->foe_table)[hash];
+
+ return (entry.bfib1.state == BIND)? 0:1;
+}
+
+static void
+mtk_foe_write(struct mtk_eth *eth, u32 hash,
+ struct mtk_foe_entry *entry)
+{
+ struct mtk_foe_entry *table = (struct mtk_foe_entry *)eth->foe_table;
+
+ memcpy(&table[hash], entry, sizeof(*entry));
+}
+
+int mtk_flow_offload(struct mtk_eth *eth,
+ enum flow_offload_type type,
+ struct flow_offload *flow,
+ struct flow_offload_hw_path *src,
+ struct flow_offload_hw_path *dest)
+{
+ struct flow_offload_tuple *otuple = &flow->tuplehash[FLOW_OFFLOAD_DIR_ORIGINAL].tuple;
+ struct flow_offload_tuple *rtuple = &flow->tuplehash[FLOW_OFFLOAD_DIR_REPLY].tuple;
+ u32 time_stamp = mtk_r32(eth, 0x0010) & (0x7fff);
+ u32 ohash, rhash;
+ struct mtk_foe_entry orig = {
+ .bfib1.time_stamp = time_stamp,
+ .bfib1.psn = 0,
+ };
+ struct mtk_foe_entry reply = {
+ .bfib1.time_stamp = time_stamp,
+ .bfib1.psn = 0,
+ };
+
+ if (otuple->l4proto != IPPROTO_TCP && otuple->l4proto != IPPROTO_UDP)
+ return -EINVAL;
+
+ if (type == FLOW_OFFLOAD_DEL) {
+ flow = NULL;
+ synchronize_rcu();
+ return 0;
+ }
+
+ switch (otuple->l3proto) {
+ case AF_INET:
+ if (mtk_foe_prepare_v4(&orig, otuple, rtuple, src, dest) ||
+ mtk_foe_prepare_v4(&reply, rtuple, otuple, dest, src))
+ return -EINVAL;
+
+ ohash = mtk_flow_hash_v4(otuple);
+ rhash = mtk_flow_hash_v4(rtuple);
+ break;
+
+ case AF_INET6:
+ return -EINVAL;
+
+ default:
+ return -EINVAL;
+ }
+
+ /* Two-way hash: when hash collision occurs, the hash value will be shifted to the next position. */
+ if (!mtk_check_entry_available(eth, ohash)){
+ if (!mtk_check_entry_available(eth, ohash + 1))
+ return -EINVAL;
+ ohash += 1;
+ }
+ if (!mtk_check_entry_available(eth, rhash)){
+ if (!mtk_check_entry_available(eth, rhash + 1))
+ return -EINVAL;
+ rhash += 1;
+ }
+
+ mtk_foe_set_mac(&orig, dest->eth_src, dest->eth_dest);
+ mtk_foe_set_mac(&reply, src->eth_src, src->eth_dest);
+ mtk_foe_write(eth, ohash, &orig);
+ mtk_foe_write(eth, rhash, &reply);
+ rcu_assign_pointer(eth->foe_flow_table[ohash], flow);
+ rcu_assign_pointer(eth->foe_flow_table[rhash], flow);
+
+ return 0;
+}
+
+#ifdef CONFIG_NET_RALINK_HW_QOS
+
+#define QDMA_TX_SCH_TX 0x1a14
+
+static void mtk_ppe_scheduler(struct mtk_eth *eth, int id, u32 rate)
+{
+ int exp = 0, shift = 0;
+ u32 reg = mtk_r32(eth, QDMA_TX_SCH_TX);
+ u32 val = 0;
+
+ if (rate)
+ val = BIT(11);
+
+ while (rate > 127) {
+ rate /= 10;
+ exp++;
+ }
+
+ val |= (rate & 0x7f) << 4;
+ val |= exp & 0xf;
+ if (id)
+ shift = 16;
+ reg &= ~(0xffff << shift);
+ reg |= val << shift;
+ mtk_w32(eth, val, QDMA_TX_SCH_TX);
+}
+
+#define QTX_CFG(x) (0x1800 + (x * 0x10))
+#define QTX_SCH(x) (0x1804 + (x * 0x10))
+
+static void mtk_ppe_queue(struct mtk_eth *eth, int id, int sched, int weight, int resv, u32 min_rate, u32 max_rate)
+{
+ int max_exp = 0, min_exp = 0;
+ u32 reg;
+
+ if (id >= 16)
+ return;
+
+ reg = mtk_r32(eth, QTX_SCH(id));
+ reg &= 0x70000000;
+
+ if (sched)
+ reg |= BIT(31);
+
+ if (min_rate)
+ reg |= BIT(27);
+
+ if (max_rate)
+ reg |= BIT(11);
+
+ while (max_rate > 127) {
+ max_rate /= 10;
+ max_exp++;
+ }
+
+ while (min_rate > 127) {
+ min_rate /= 10;
+ min_exp++;
+ }
+
+ reg |= (min_rate & 0x7f) << 20;
+ reg |= (min_exp & 0xf) << 16;
+ reg |= (weight & 0xf) << 12;
+ reg |= (max_rate & 0x7f) << 4;
+ reg |= max_exp & 0xf;
+ mtk_w32(eth, reg, QTX_SCH(id));
+
+ resv &= 0xff;
+ reg = mtk_r32(eth, QTX_CFG(id));
+ reg &= 0xffff0000;
+ reg |= (resv << 8) | resv;
+ mtk_w32(eth, reg, QTX_CFG(id));
+}
+#endif
+
+static int mtk_init_foe_table(struct mtk_eth *eth)
+{
+ if (eth->foe_table)
+ return 0;
+
+ eth->foe_flow_table = devm_kcalloc(eth->dev, MTK_PPE_ENTRY_CNT,
+ sizeof(*eth->foe_flow_table),
+ GFP_KERNEL);
+ if (!eth->foe_flow_table)
+ return -EINVAL;
+
+ /* map the FOE table */
+ eth->foe_table = dmam_alloc_coherent(eth->dev, MTK_PPE_TBL_SZ,
+ &eth->foe_table_phys, GFP_KERNEL);
+ if (!eth->foe_table) {
+ dev_err(eth->dev, "failed to allocate foe table\n");
+ kfree(eth->foe_flow_table);
+ return -ENOMEM;
+ }
+
+
+ return 0;
+}
+
+static int mtk_ppe_start(struct mtk_eth *eth)
+{
+ int ret;
+
+ ret = mtk_init_foe_table(eth);
+ if (ret)
+ return ret;
+
+ /* tell the PPE about the tables base address */
+ mtk_w32(eth, eth->foe_table_phys, MTK_REG_PPE_TB_BASE);
+
+ /* flush the table */
+ memset(eth->foe_table, 0, MTK_PPE_TBL_SZ);
+
+ /* setup hashing */
+ mtk_m32(eth,
+ MTK_PPE_TB_CFG_HASH_MODE_MASK | MTK_PPE_TB_CFG_TBL_SZ_MASK,
+ MTK_PPE_TB_CFG_HASH_MODE1 | MTK_PPE_TB_CFG_TBL_SZ_4K,
+ MTK_REG_PPE_TB_CFG);
+
+ /* set the default hashing seed */
+ mtk_w32(eth, MTK_PPE_HASH_SEED, MTK_REG_PPE_HASH_SEED);
+
+ /* each foe entry is 64bytes and is setup by cpu forwarding*/
+ mtk_m32(eth, MTK_PPE_CAH_CTRL_X_MODE | MTK_PPE_TB_CFG_ENTRY_SZ_MASK |
+ MTK_PPE_TB_CFG_SMA_MASK,
+ MTK_PPE_TB_CFG_ENTRY_SZ_64B | MTK_PPE_TB_CFG_SMA_FWD_CPU,
+ MTK_REG_PPE_TB_CFG);
+
+ /* set ip proto */
+ mtk_w32(eth, 0xFFFFFFFF, MTK_REG_PPE_IP_PROT_CHK);
+
+ /* setup caching */
+ mtk_m32(eth, 0, MTK_PPE_CAH_CTRL_X_MODE, MTK_REG_PPE_CAH_CTRL);
+ mtk_m32(eth, MTK_PPE_CAH_CTRL_X_MODE, MTK_PPE_CAH_CTRL_EN,
+ MTK_REG_PPE_CAH_CTRL);
+
+ /* enable FOE */
+ mtk_m32(eth, 0, MTK_PPE_FLOW_CFG_IPV4_NAT_FRAG_EN |
+ MTK_PPE_FLOW_CFG_IPV4_NAPT_EN | MTK_PPE_FLOW_CFG_IPV4_NAT_EN |
+ MTK_PPE_FLOW_CFG_IPV4_GREK_EN,
+ MTK_REG_PPE_FLOW_CFG);
+
+ /* setup flow entry un/bind aging */
+ mtk_m32(eth, 0,
+ MTK_PPE_TB_CFG_UNBD_AGE | MTK_PPE_TB_CFG_NTU_AGE |
+ MTK_PPE_TB_CFG_FIN_AGE | MTK_PPE_TB_CFG_UDP_AGE |
+ MTK_PPE_TB_CFG_TCP_AGE,
+ MTK_REG_PPE_TB_CFG);
+
+ mtk_m32(eth, MTK_PPE_UNB_AGE_MNP_MASK | MTK_PPE_UNB_AGE_DLTA_MASK,
+ MTK_PPE_UNB_AGE_MNP | MTK_PPE_UNB_AGE_DLTA,
+ MTK_REG_PPE_UNB_AGE);
+ mtk_m32(eth, MTK_PPE_BND_AGE0_NTU_DLTA_MASK |
+ MTK_PPE_BND_AGE0_UDP_DLTA_MASK,
+ MTK_PPE_BND_AGE0_NTU_DLTA | MTK_PPE_BND_AGE0_UDP_DLTA,
+ MTK_REG_PPE_BND_AGE0);
+ mtk_m32(eth, MTK_PPE_BND_AGE1_FIN_DLTA_MASK |
+ MTK_PPE_BND_AGE1_TCP_DLTA_MASK,
+ MTK_PPE_BND_AGE1_FIN_DLTA | MTK_PPE_BND_AGE1_TCP_DLTA,
+ MTK_REG_PPE_BND_AGE1);
+
+ /* setup flow entry keep alive */
+ mtk_m32(eth, MTK_PPE_TB_CFG_KA_MASK, MTK_PPE_TB_CFG_KA,
+ MTK_REG_PPE_TB_CFG);
+ mtk_w32(eth, MTK_PPE_KA_UDP | MTK_PPE_KA_TCP | MTK_PPE_KA_T, MTK_REG_PPE_KA);
+
+ /* setup flow entry rate limit */
+ mtk_w32(eth, (0x3fff << 16) | 0x3fff, MTK_REG_PPE_BIND_LMT_0);
+ mtk_w32(eth, MTK_PPE_NTU_KA | 0x3fff, MTK_REG_PPE_BIND_LMT_1);
+ mtk_m32(eth, MTK_PPE_BNDR_RATE_MASK, 1, MTK_REG_PPE_BNDR);
+
+ /* enable the PPE */
+ mtk_m32(eth, 0, MTK_PPE_GLO_CFG_EN, MTK_REG_PPE_GLO_CFG);
+
+#ifdef CONFIG_RALINK
+ /* set the default forwarding port to QDMA */
+ mtk_w32(eth, 0x0, MTK_REG_PPE_DFT_CPORT);
+#else
+ /* set the default forwarding port to QDMA */
+ mtk_w32(eth, 0x55555555, MTK_REG_PPE_DFT_CPORT);
+#endif
+
+ /* allow packets with TTL=0 */
+ mtk_m32(eth, MTK_PPE_GLO_CFG_TTL0_DROP, 0, MTK_REG_PPE_GLO_CFG);
+
+ /* send all traffic from gmac to the ppe */
+ mtk_m32(eth, 0xffff, 0x4444, MTK_GDMA_FWD_CFG(0));
+ mtk_m32(eth, 0xffff, 0x4444, MTK_GDMA_FWD_CFG(1));
+
+ dev_info(eth->dev, "PPE started\n");
+
+#ifdef CONFIG_NET_RALINK_HW_QOS
+ mtk_ppe_scheduler(eth, 0, 500000);
+ mtk_ppe_scheduler(eth, 1, 500000);
+ mtk_ppe_queue(eth, 0, 0, 7, 32, 250000, 0);
+ mtk_ppe_queue(eth, 1, 0, 7, 32, 250000, 0);
+ mtk_ppe_queue(eth, 8, 1, 7, 32, 250000, 0);
+ mtk_ppe_queue(eth, 9, 1, 7, 32, 250000, 0);
+#endif
+
+ return 0;
+}
+
+static int mtk_ppe_busy_wait(struct mtk_eth *eth)
+{
+ unsigned long t_start = jiffies;
+ u32 r = 0;
+
+ while (1) {
+ r = mtk_r32(eth, MTK_REG_PPE_GLO_CFG);
+ if (!(r & MTK_PPE_GLO_CFG_BUSY))
+ return 0;
+ if (time_after(jiffies, t_start + HZ))
+ break;
+ usleep_range(10, 20);
+ }
+
+ dev_err(eth->dev, "ppe: table busy timeout - resetting\n");
+ reset_control_reset(eth->rst_ppe);
+
+ return -ETIMEDOUT;
+}
+
+static int mtk_ppe_stop(struct mtk_eth *eth)
+{
+ u32 r1 = 0, r2 = 0;
+ int i;
+
+ /* discard all traffic while we disable the PPE */
+ mtk_m32(eth, 0xffff, 0x7777, MTK_GDMA_FWD_CFG(0));
+ mtk_m32(eth, 0xffff, 0x7777, MTK_GDMA_FWD_CFG(1));
+
+ if (mtk_ppe_busy_wait(eth))
+ return -ETIMEDOUT;
+
+ /* invalidate all flow table entries */
+ for (i = 0; i < MTK_PPE_ENTRY_CNT; i++)
+ eth->foe_table[i].bfib1.state = FOE_STATE_INVALID;
+
+ /* disable caching */
+ mtk_m32(eth, 0, MTK_PPE_CAH_CTRL_X_MODE, MTK_REG_PPE_CAH_CTRL);
+ mtk_m32(eth, MTK_PPE_CAH_CTRL_X_MODE | MTK_PPE_CAH_CTRL_EN, 0,
+ MTK_REG_PPE_CAH_CTRL);
+
+ /* flush cache has to be ahead of hnat diable --*/
+ mtk_m32(eth, MTK_PPE_GLO_CFG_EN, 0, MTK_REG_PPE_GLO_CFG);
+
+ /* disable FOE */
+ mtk_m32(eth,
+ MTK_PPE_FLOW_CFG_IPV4_NAT_FRAG_EN |
+ MTK_PPE_FLOW_CFG_IPV4_NAPT_EN | MTK_PPE_FLOW_CFG_IPV4_NAT_EN |
+ MTK_PPE_FLOW_CFG_FUC_FOE | MTK_PPE_FLOW_CFG_FMC_FOE,
+ 0, MTK_REG_PPE_FLOW_CFG);
+
+ /* disable FOE aging */
+ mtk_m32(eth, 0,
+ MTK_PPE_TB_CFG_FIN_AGE | MTK_PPE_TB_CFG_UDP_AGE |
+ MTK_PPE_TB_CFG_TCP_AGE | MTK_PPE_TB_CFG_UNBD_AGE |
+ MTK_PPE_TB_CFG_NTU_AGE, MTK_REG_PPE_TB_CFG);
+
+ r1 = mtk_r32(eth, 0x100);
+ r2 = mtk_r32(eth, 0x10c);
+
+ dev_info(eth->dev, "0x100 = 0x%x, 0x10c = 0x%x\n", r1, r2);
+
+ if (((r1 & 0xff00) >> 0x8) >= (r1 & 0xff) ||
+ ((r1 & 0xff00) >> 0x8) >= (r2 & 0xff)) {
+ dev_info(eth->dev, "reset pse\n");
+ mtk_w32(eth, 0x1, 0x4);
+ }
+
+ /* set the foe entry base address to 0 */
+ mtk_w32(eth, 0, MTK_REG_PPE_TB_BASE);
+
+ if (mtk_ppe_busy_wait(eth))
+ return -ETIMEDOUT;
+
+ /* send all traffic back to the DMA engine */
+#ifdef CONFIG_RALINK
+ mtk_m32(eth, 0xffff, 0x0, MTK_GDMA_FWD_CFG(0));
+ mtk_m32(eth, 0xffff, 0x0, MTK_GDMA_FWD_CFG(1));
+#else
+ mtk_m32(eth, 0xffff, 0x5555, MTK_GDMA_FWD_CFG(0));
+ mtk_m32(eth, 0xffff, 0x5555, MTK_GDMA_FWD_CFG(1));
+#endif
+ return 0;
+}
+
+static void mtk_offload_keepalive(struct fe_priv *eth, unsigned int hash)
+{
+ struct flow_offload *flow;
+
+ rcu_read_lock();
+ flow = rcu_dereference(eth->foe_flow_table[hash]);
+ if (flow)
+ flow->timeout = jiffies + 30 * HZ;
+ rcu_read_unlock();
+}
+
+int mtk_offload_check_rx(struct fe_priv *eth, struct sk_buff *skb, u32 rxd4)
+{
+ unsigned int hash;
+
+ switch (FIELD_GET(MTK_RXD4_CPU_REASON, rxd4)) {
+ case MTK_CPU_REASON_KEEPALIVE_UC_OLD_HDR:
+ case MTK_CPU_REASON_KEEPALIVE_MC_NEW_HDR:
+ case MTK_CPU_REASON_KEEPALIVE_DUP_OLD_HDR:
+ hash = FIELD_GET(MTK_RXD4_FOE_ENTRY, rxd4);
+ mtk_offload_keepalive(eth, hash);
+ return -1;
+ case MTK_CPU_REASON_PACKET_SAMPLING:
+ return -1;
+ default:
+ return 0;
+ }
+}
+
+int mtk_ppe_probe(struct mtk_eth *eth)
+{
+ int err;
+
+ err = mtk_ppe_start(eth);
+ if (err)
+ return err;
+
+ err = mtk_ppe_debugfs_init(eth);
+ if (err)
+ return err;
+
+ return 0;
+}
+
+void mtk_ppe_remove(struct mtk_eth *eth)
+{
+ mtk_ppe_stop(eth);
+}
diff --git a/target/linux/ramips/files/drivers/net/ethernet/ralink/mtk_offload.h b/target/linux/ramips/files/drivers/net/ethernet/ralink/mtk_offload.h
new file mode 100644
index 0000000000..f714c90f92
--- /dev/null
+++ b/target/linux/ramips/files/drivers/net/ethernet/ralink/mtk_offload.h
@@ -0,0 +1,260 @@
+/* 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) 2014-2016 Sean Wang <sean.wang@mediatek.com>
+ * Copyright (C) 2016-2017 John Crispin <blogic@openwrt.org>
+ */
+
+#include <linux/dma-mapping.h>
+#include <linux/delay.h>
+#include <linux/if.h>
+#include <linux/io.h>
+#include <linux/module.h>
+#include <linux/of_device.h>
+#include <linux/platform_device.h>
+#include <linux/reset.h>
+#include <linux/netfilter.h>
+#include <linux/netdevice.h>
+#include <net/netfilter/nf_flow_table.h>
+#include <linux/debugfs.h>
+#include <linux/etherdevice.h>
+#include <linux/bitfield.h>
+
+#include "mtk_eth_soc.h"
+
+#ifdef CONFIG_RALINK
+/* ramips compat */
+#define mtk_eth fe_priv
+#define MTK_GDMA_FWD_CFG(x) (0x500 + (x * 0x1000))
+#define mtk_m32 fe_m32
+
+static inline u32
+mtk_r32(struct mtk_eth *eth, u32 reg)
+{
+ return fe_r32(reg);
+}
+
+static inline void
+mtk_w32(struct mtk_eth *eth, u32 val, u32 reg)
+{
+ fe_w32(val, reg);
+}
+#endif
+
+#define MTK_REG_PPE_GLO_CFG 0xe00
+#define MTK_PPE_GLO_CFG_BUSY BIT(31)
+#define MTK_PPE_GLO_CFG_TTL0_DROP BIT(4)
+#define MTK_PPE_GLO_CFG_EN BIT(0)
+
+#define MTK_REG_PPE_FLOW_CFG 0xe04
+#define MTK_PPE_FLOW_CFG_IPV4_GREK_EN BIT(19)
+#define MTK_PPE_FLOW_CFG_IPV4_NAT_FRAG_EN BIT(17)
+#define MTK_PPE_FLOW_CFG_IPV4_NAPT_EN BIT(13)
+#define MTK_PPE_FLOW_CFG_IPV4_NAT_EN BIT(12)
+#define MTK_PPE_FLOW_CFG_FUC_FOE BIT(2)
+#define MTK_PPE_FLOW_CFG_FMC_FOE BIT(1)
+
+#define MTK_REG_PPE_IP_PROT_CHK 0xe08
+
+#define MTK_REG_PPE_TB_BASE 0xe20
+
+#define MTK_REG_PPE_BNDR 0xe28
+#define MTK_PPE_BNDR_RATE_MASK 0xffff
+
+#define MTK_REG_PPE_BIND_LMT_0 0xe2C
+
+#define MTK_REG_PPE_BIND_LMT_1 0xe30
+#define MTK_PPE_NTU_KA BIT(16)
+
+#define MTK_REG_PPE_KA 0xe34
+#define MTK_PPE_KA_T BIT(0)
+#define MTK_PPE_KA_TCP BIT(16)
+#define MTK_PPE_KA_UDP BIT(24)
+
+#define MTK_REG_PPE_UNB_AGE 0xe38
+#define MTK_PPE_UNB_AGE_MNP_MASK (0xffff << 16)
+#define MTK_PPE_UNB_AGE_MNP (1000 << 16)
+#define MTK_PPE_UNB_AGE_DLTA_MASK 0xff
+#define MTK_PPE_UNB_AGE_DLTA 3
+
+#define MTK_REG_PPE_BND_AGE0 0xe3c
+#define MTK_PPE_BND_AGE0_NTU_DLTA_MASK (0xffff << 16)
+#define MTK_PPE_BND_AGE0_NTU_DLTA (5 << 16)
+#define MTK_PPE_BND_AGE0_UDP_DLTA_MASK 0xffff
+#define MTK_PPE_BND_AGE0_UDP_DLTA 5
+
+#define MTK_REG_PPE_BND_AGE1 0xe40
+#define MTK_PPE_BND_AGE1_FIN_DLTA_MASK (0xffff << 16)
+#define MTK_PPE_BND_AGE1_FIN_DLTA (5 << 16)
+#define MTK_PPE_BND_AGE1_TCP_DLTA_MASK 0xffff
+#define MTK_PPE_BND_AGE1_TCP_DLTA 5
+
+#define MTK_REG_PPE_DFT_CPORT 0xe48
+
+#define MTK_REG_PPE_TB_CFG 0xe1c
+#define MTK_PPE_TB_CFG_X_MODE_MASK (3 << 18)
+#define MTK_PPE_TB_CFG_HASH_MODE1 BIT(14)
+#define MTK_PPE_TB_CFG_HASH_MODE_MASK (0x3 << 14)
+#define MTK_PPE_TB_CFG_KA (3 << 12)
+#define MTK_PPE_TB_CFG_KA_MASK (0x3 << 12)
+#define MTK_PPE_TB_CFG_FIN_AGE BIT(11)
+#define MTK_PPE_TB_CFG_UDP_AGE BIT(10)
+#define MTK_PPE_TB_CFG_TCP_AGE BIT(9)
+#define MTK_PPE_TB_CFG_UNBD_AGE BIT(8)
+#define MTK_PPE_TB_CFG_NTU_AGE BIT(7)
+#define MTK_PPE_TB_CFG_SMA_FWD_CPU (0x3 << 4)
+#define MTK_PPE_TB_CFG_SMA_MASK (0x3 << 4)
+#define MTK_PPE_TB_CFG_ENTRY_SZ_64B 0
+#define MTK_PPE_TB_CFG_ENTRY_SZ_MASK BIT(3)
+#define MTK_PPE_TB_CFG_TBL_SZ_4K 2
+#define MTK_PPE_TB_CFG_TBL_SZ_MASK 0x7
+
+#define MTK_REG_PPE_HASH_SEED 0xe44
+#define MTK_PPE_HASH_SEED 0x12345678
+
+
+#define MTK_REG_PPE_CAH_CTRL 0xf20
+#define MTK_PPE_CAH_CTRL_X_MODE BIT(9)
+#define MTK_PPE_CAH_CTRL_EN BIT(0)
+
+struct mtk_foe_unbind_info_blk {
+ u32 time_stamp:8;
+ u32 pcnt:16; /* packet count */
+ u32 preb:1;
+ u32 pkt_type:3;
+ u32 state:2;
+ u32 udp:1;
+ u32 sta:1; /* static entry */
+} __attribute__ ((packed));
+
+struct mtk_foe_bind_info_blk {
+ u32 time_stamp:15;
+ u32 ka:1; /* keep alive */
+ u32 vlan_layer:3;
+ u32 psn:1; /* egress packet has PPPoE session */
+#ifdef CONFIG_RALINK
+ u32 vpm:2; /* 0:ethertype remark, 1:0x8100(CR default) */
+#else
+ u32 vpm:1; /* 0:ethertype remark, 1:0x8100(CR default) */
+ u32 ps:1; /* packet sampling */
+#endif
+ u32 cah:1; /* cacheable flag */
+ u32 rmt:1; /* remove tunnel ip header (6rd/dslite only) */
+ u32 ttl:1;
+ u32 pkt_type:3;
+ u32 state:2;
+ u32 udp:1;
+ u32 sta:1; /* static entry */
+} __attribute__ ((packed));
+
+struct mtk_foe_info_blk2 {
+ u32 qid:4; /* QID in Qos Port */
+ u32 fqos:1; /* force to PSE QoS port */
+ u32 dp:3; /* force to PSE port x
+ 0:PSE,1:GSW, 2:GMAC,4:PPE,5:QDMA,7=DROP */
+ u32 mcast:1; /* multicast this packet to CPU */
+ u32 pcpl:1; /* OSBN */
+ u32 mlen:1; /* 0:post 1:pre packet length in meter */
+ u32 alen:1; /* 0:post 1:pre packet length in accounting */
+ u32 port_mg:6; /* port meter group */
+ u32 port_ag:6; /* port account group */
+ u32 dscp:8; /* DSCP value */
+} __attribute__ ((packed));
+
+struct mtk_foe_ipv4_hnapt {
+ union {
+ struct mtk_foe_bind_info_blk bfib1;
+ struct mtk_foe_unbind_info_blk udib1;
+ u32 info_blk1;
+ };
+ u32 sip;
+ u32 dip;
+ u16 dport;
+ u16 sport;
+ union {
+ struct mtk_foe_info_blk2 iblk2;
+ u32 info_blk2;
+ };
+ u32 new_sip;
+ u32 new_dip;
+ u16 new_dport;
+ u16 new_sport;
+ u32 resv1;
+ u32 resv2;
+ u32 resv3:26;
+ u32 act_dp:6; /* UDF */
+ u16 vlan1;
+ u16 etype;
+ u32 dmac_hi;
+ u16 vlan2;
+ u16 dmac_lo;
+ u32 smac_hi;
+ u16 pppoe_id;
+ u16 smac_lo;
+} __attribute__ ((packed));
+
+struct mtk_foe_entry {
+ union {
+ struct mtk_foe_unbind_info_blk udib1;
+ struct mtk_foe_bind_info_blk bfib1;
+ struct mtk_foe_ipv4_hnapt ipv4_hnapt;
+ };
+};
+
+enum mtk_foe_entry_state {
+ FOE_STATE_INVALID = 0,
+ FOE_STATE_UNBIND = 1,
+ FOE_STATE_BIND = 2,
+ FOE_STATE_FIN = 3
+};
+
+
+#define MTK_RXD4_FOE_ENTRY GENMASK(13, 0)
+#define MTK_RXD4_CPU_REASON GENMASK(18, 14)
+#define MTK_RXD4_SRC_PORT GENMASK(21, 19)
+#define MTK_RXD4_ALG GENMASK(31, 22)
+
+enum mtk_foe_cpu_reason {
+ MTK_CPU_REASON_TTL_EXCEEDED = 0x02,
+ MTK_CPU_REASON_OPTION_HEADER = 0x03,
+ MTK_CPU_REASON_NO_FLOW = 0x07,
+ MTK_CPU_REASON_IPV4_FRAG = 0x08,
+ MTK_CPU_REASON_IPV4_DSLITE_FRAG = 0x09,
+ MTK_CPU_REASON_IPV4_DSLITE_NO_TCP_UDP = 0x0a,
+ MTK_CPU_REASON_IPV6_6RD_NO_TCP_UDP = 0x0b,
+ MTK_CPU_REASON_TCP_FIN_SYN_RST = 0x0c,
+ MTK_CPU_REASON_UN_HIT = 0x0d,
+ MTK_CPU_REASON_HIT_UNBIND = 0x0e,
+ MTK_CPU_REASON_HIT_UNBIND_RATE_REACHED = 0x0f,
+ MTK_CPU_REASON_HIT_BIND_TCP_FIN = 0x10,
+ MTK_CPU_REASON_HIT_TTL_1 = 0x11,
+ MTK_CPU_REASON_HIT_BIND_VLAN_VIOLATION = 0x12,
+ MTK_CPU_REASON_KEEPALIVE_UC_OLD_HDR = 0x13,
+ MTK_CPU_REASON_KEEPALIVE_MC_NEW_HDR = 0x14,
+ MTK_CPU_REASON_KEEPALIVE_DUP_OLD_HDR = 0x15,
+ MTK_CPU_REASON_HIT_BIND_FORCE_CPU = 0x16,
+ MTK_CPU_REASON_TUNNEL_OPTION_HEADER = 0x17,
+ MTK_CPU_REASON_MULTICAST_TO_CPU = 0x18,
+ MTK_CPU_REASON_MULTICAST_TO_GMAC1_CPU = 0x19,
+ MTK_CPU_REASON_HIT_PRE_BIND = 0x1a,
+ MTK_CPU_REASON_PACKET_SAMPLING = 0x1b,
+ MTK_CPU_REASON_EXCEED_MTU = 0x1c,
+ MTK_CPU_REASON_PPE_BYPASS = 0x1e,
+ MTK_CPU_REASON_INVALID = 0x1f,
+};
+
+
+/* our table size is 4K */
+#define MTK_PPE_ENTRY_CNT 0x1000
+#define MTK_PPE_TBL_SZ \
+ (MTK_PPE_ENTRY_CNT * sizeof(struct mtk_foe_entry))
+
+int mtk_ppe_debugfs_init(struct mtk_eth *eth);
+
+
diff --git a/target/linux/ramips/files/drivers/net/ethernet/ralink/soc_mt7620.c b/target/linux/ramips/files/drivers/net/ethernet/ralink/soc_mt7620.c
new file mode 100644
index 0000000000..c4684d02d6
--- /dev/null
+++ b/target/linux/ramips/files/drivers/net/ethernet/ralink/soc_mt7620.c
@@ -0,0 +1,373 @@
+/* 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@nbd.name>
+ * Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com>
+ */
+
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/if_vlan.h>
+#include <linux/of_net.h>
+
+#include <asm/mach-ralink/ralink_regs.h>
+
+#include <mt7620.h>
+#include "mtk_eth_soc.h"
+#include "gsw_mt7620.h"
+#include "mt7530.h"
+#include "mdio.h"
+
+#define MT7620A_CDMA_CSG_CFG 0x400
+#define MT7620_DMA_VID (MT7620A_CDMA_CSG_CFG | 0x30)
+#define MT7621_CDMP_IG_CTRL (MT7620A_CDMA_CSG_CFG + 0x00)
+#define MT7621_CDMP_EG_CTRL (MT7620A_CDMA_CSG_CFG + 0x04)
+#define MT7620A_RESET_FE BIT(21)
+#define MT7621_RESET_FE BIT(6)
+#define MT7620A_RESET_ESW BIT(23)
+#define MT7620_L4_VALID BIT(23)
+#define MT7621_L4_VALID BIT(24)
+
+#define MT7620_TX_DMA_UDF BIT(15)
+#define MT7621_TX_DMA_UDF BIT(19)
+#define TX_DMA_FP_BMAP ((0xff) << 19)
+
+#define CDMA_ICS_EN BIT(2)
+#define CDMA_UCS_EN BIT(1)
+#define CDMA_TCS_EN BIT(0)
+
+#define GDMA_ICS_EN BIT(22)
+#define GDMA_TCS_EN BIT(21)
+#define GDMA_UCS_EN BIT(20)
+
+/* frame engine counters */
+#define MT7620_REG_MIB_OFFSET 0x1000
+#define MT7620_PPE_AC_BCNT0 (MT7620_REG_MIB_OFFSET + 0x00)
+#define MT7620_GDM1_TX_GBCNT (MT7620_REG_MIB_OFFSET + 0x300)
+#define MT7620_GDM2_TX_GBCNT (MT7620_GDM1_TX_GBCNT + 0x40)
+
+#define MT7621_REG_MIB_OFFSET 0x2000
+#define MT7621_PPE_AC_BCNT0 (MT7621_REG_MIB_OFFSET + 0x00)
+#define MT7621_GDM1_TX_GBCNT (MT7621_REG_MIB_OFFSET + 0x400)
+#define MT7621_GDM2_TX_GBCNT (MT7621_GDM1_TX_GBCNT + 0x40)
+
+#define GSW_REG_GDMA1_MAC_ADRL 0x508
+#define GSW_REG_GDMA1_MAC_ADRH 0x50C
+
+#define MT7621_FE_RST_GL (FE_FE_OFFSET + 0x04)
+#define MT7620_FE_INT_STATUS2 (FE_FE_OFFSET + 0x08)
+
+/* FE_INT_STATUS reg on mt7620 define CNT_GDM1_AF at BIT(29)
+ * but after test it should be BIT(13).
+ */
+#define MT7620_FE_GDM1_AF BIT(13)
+#define MT7621_FE_GDM1_AF BIT(28)
+#define MT7621_FE_GDM2_AF BIT(29)
+
+static const u16 mt7620_reg_table[FE_REG_COUNT] = {
+ [FE_REG_PDMA_GLO_CFG] = RT5350_PDMA_GLO_CFG,
+ [FE_REG_PDMA_RST_CFG] = RT5350_PDMA_RST_CFG,
+ [FE_REG_DLY_INT_CFG] = RT5350_DLY_INT_CFG,
+ [FE_REG_TX_BASE_PTR0] = RT5350_TX_BASE_PTR0,
+ [FE_REG_TX_MAX_CNT0] = RT5350_TX_MAX_CNT0,
+ [FE_REG_TX_CTX_IDX0] = RT5350_TX_CTX_IDX0,
+ [FE_REG_TX_DTX_IDX0] = RT5350_TX_DTX_IDX0,
+ [FE_REG_RX_BASE_PTR0] = RT5350_RX_BASE_PTR0,
+ [FE_REG_RX_MAX_CNT0] = RT5350_RX_MAX_CNT0,
+ [FE_REG_RX_CALC_IDX0] = RT5350_RX_CALC_IDX0,
+ [FE_REG_RX_DRX_IDX0] = RT5350_RX_DRX_IDX0,
+ [FE_REG_FE_INT_ENABLE] = RT5350_FE_INT_ENABLE,
+ [FE_REG_FE_INT_STATUS] = RT5350_FE_INT_STATUS,
+ [FE_REG_FE_DMA_VID_BASE] = MT7620_DMA_VID,
+ [FE_REG_FE_COUNTER_BASE] = MT7620_GDM1_TX_GBCNT,
+ [FE_REG_FE_RST_GL] = MT7621_FE_RST_GL,
+ [FE_REG_FE_INT_STATUS2] = MT7620_FE_INT_STATUS2,
+};
+
+static int mt7620_gsw_config(struct fe_priv *priv)
+{
+ struct mt7620_gsw *gsw = (struct mt7620_gsw *) priv->soc->swpriv;
+
+ /* is the mt7530 internal or external */
+ if (priv->mii_bus && mdiobus_get_phy(priv->mii_bus, 0x1f)) {
+ mt7530_probe(priv->dev, gsw->base, NULL, 0);
+ mt7530_probe(priv->dev, NULL, priv->mii_bus, 1);
+ } else {
+ mt7530_probe(priv->dev, gsw->base, NULL, 1);
+ }
+
+ return 0;
+}
+
+static void mt7620_set_mac(struct fe_priv *priv, unsigned char *mac)
+{
+ struct mt7620_gsw *gsw = (struct mt7620_gsw *)priv->soc->swpriv;
+ unsigned long flags;
+
+ spin_lock_irqsave(&priv->page_lock, flags);
+ mtk_switch_w32(gsw, (mac[0] << 8) | mac[1], GSW_REG_SMACCR1);
+ mtk_switch_w32(gsw, (mac[2] << 24) | (mac[3] << 16) | (mac[4] << 8) | mac[5],
+ GSW_REG_SMACCR0);
+ spin_unlock_irqrestore(&priv->page_lock, flags);
+}
+
+static void mt7620_auto_poll(struct mt7620_gsw *gsw, int port)
+{
+ int phy;
+ int lsb = -1, msb = 0;
+
+ for_each_set_bit(phy, &gsw->autopoll, 32) {
+ if (lsb < 0)
+ lsb = phy;
+ msb = phy;
+ }
+
+ if (lsb == msb && port == 4)
+ msb++;
+ else if (lsb == msb && port == 5)
+ lsb--;
+
+ mtk_switch_w32(gsw, PHY_AN_EN | PHY_PRE_EN | PMY_MDC_CONF(5) |
+ (msb << 8) | lsb, ESW_PHY_POLLING);
+}
+
+static void mt7620_port_init(struct fe_priv *priv, struct device_node *np)
+{
+ struct mt7620_gsw *gsw = (struct mt7620_gsw *)priv->soc->swpriv;
+ const __be32 *_id = of_get_property(np, "reg", NULL);
+ const __be32 *phy_addr;
+ int phy_mode, size, id;
+ int shift = 12;
+ u32 val, mask = 0;
+ u32 val_delay = 0;
+ u32 mask_delay = GSW_REG_GPCx_TXDELAY | GSW_REG_GPCx_RXDELAY;
+ int min = (gsw->port4 == PORT4_EPHY) ? (5) : (4);
+
+ if (!_id || (be32_to_cpu(*_id) < min) || (be32_to_cpu(*_id) > 5)) {
+ if (_id)
+ pr_err("%s: invalid port id %d\n", np->name,
+ be32_to_cpu(*_id));
+ else
+ pr_err("%s: invalid port id\n", np->name);
+ return;
+ }
+
+ id = be32_to_cpu(*_id);
+
+ if (id == 4)
+ shift = 14;
+
+ priv->phy->phy_fixed[id] = of_get_property(np, "mediatek,fixed-link",
+ &size);
+ if (priv->phy->phy_fixed[id] &&
+ (size != (4 * sizeof(*priv->phy->phy_fixed[id])))) {
+ pr_err("%s: invalid fixed link property\n", np->name);
+ priv->phy->phy_fixed[id] = NULL;
+ return;
+ }
+
+ phy_mode = of_get_phy_mode(np);
+ switch (phy_mode) {
+ case PHY_INTERFACE_MODE_RGMII:
+ mask = 0;
+ /* Do not touch rx/tx delay in this state to avoid problems with
+ * backward compability.
+ */
+ mask_delay = 0;
+ break;
+ case PHY_INTERFACE_MODE_RGMII_ID:
+ mask = 0;
+ val_delay |= GSW_REG_GPCx_TXDELAY;
+ val_delay &= ~GSW_REG_GPCx_RXDELAY;
+ break;
+ case PHY_INTERFACE_MODE_RGMII_RXID:
+ mask = 0;
+ val_delay &= ~GSW_REG_GPCx_TXDELAY;
+ val_delay &= ~GSW_REG_GPCx_RXDELAY;
+ break;
+ case PHY_INTERFACE_MODE_RGMII_TXID:
+ mask = 0;
+ val_delay &= ~GSW_REG_GPCx_TXDELAY;
+ val_delay |= GSW_REG_GPCx_RXDELAY;
+ break;
+ case PHY_INTERFACE_MODE_MII:
+ mask = 1;
+ break;
+ case PHY_INTERFACE_MODE_RMII:
+ mask = 2;
+ break;
+ default:
+ dev_err(priv->dev, "port %d - invalid phy mode\n", id);
+ return;
+ }
+
+ priv->phy->phy_node[id] = of_parse_phandle(np, "phy-handle", 0);
+ if (!priv->phy->phy_node[id] && !priv->phy->phy_fixed[id])
+ return;
+
+ val = rt_sysc_r32(SYSC_REG_CFG1);
+ val &= ~(3 << shift);
+ val |= mask << shift;
+ rt_sysc_w32(val, SYSC_REG_CFG1);
+
+ if (id == 4) {
+ val = mtk_switch_r32(gsw, GSW_REG_GPC2);
+ val &= ~(mask_delay);
+ val |= val_delay & mask_delay;
+ mtk_switch_w32(gsw, val, GSW_REG_GPC2);
+ }
+ else if (id == 5) {
+ val = mtk_switch_r32(gsw, GSW_REG_GPC1);
+ val &= ~(mask_delay);
+ val |= val_delay & mask_delay;
+ mtk_switch_w32(gsw, val, GSW_REG_GPC1);
+ }
+
+ if (priv->phy->phy_fixed[id]) {
+ const __be32 *link = priv->phy->phy_fixed[id];
+ int tx_fc, rx_fc;
+ u32 val = 0;
+
+ priv->phy->speed[id] = be32_to_cpup(link++);
+ tx_fc = be32_to_cpup(link++);
+ rx_fc = be32_to_cpup(link++);
+ priv->phy->duplex[id] = be32_to_cpup(link++);
+ priv->link[id] = 1;
+
+ switch (priv->phy->speed[id]) {
+ case SPEED_10:
+ val = 0;
+ break;
+ case SPEED_100:
+ val = 1;
+ break;
+ case SPEED_1000:
+ val = 2;
+ break;
+ default:
+ dev_err(priv->dev, "invalid link speed: %d\n",
+ priv->phy->speed[id]);
+ priv->phy->phy_fixed[id] = 0;
+ return;
+ }
+ val = PMCR_SPEED(val);
+ val |= PMCR_LINK | PMCR_BACKPRES | PMCR_BACKOFF | PMCR_RX_EN |
+ PMCR_TX_EN | PMCR_FORCE | PMCR_MAC_MODE | PMCR_IPG;
+ if (tx_fc)
+ val |= PMCR_TX_FC;
+ if (rx_fc)
+ val |= PMCR_RX_FC;
+ if (priv->phy->duplex[id])
+ val |= PMCR_DUPLEX;
+ mtk_switch_w32(gsw, val, GSW_REG_PORT_PMCR(id));
+ dev_info(priv->dev, "using fixed link parameters\n");
+ return;
+ }
+
+ phy_addr = of_get_property(priv->phy->phy_node[id], "reg", NULL);
+ if (phy_addr && mdiobus_get_phy(priv->mii_bus, be32_to_cpup(phy_addr))) {
+ u32 val = PMCR_BACKPRES | PMCR_BACKOFF | PMCR_RX_EN |
+ PMCR_TX_EN | PMCR_MAC_MODE | PMCR_IPG;
+
+ mtk_switch_w32(gsw, val, GSW_REG_PORT_PMCR(id));
+ fe_connect_phy_node(priv, priv->phy->phy_node[id], id);
+ gsw->autopoll |= BIT(be32_to_cpup(phy_addr));
+ mt7620_auto_poll(gsw,id);
+ return;
+ }
+}
+
+static void mt7620_fe_reset(void)
+{
+ fe_reset(MT7620A_RESET_FE | MT7620A_RESET_ESW);
+}
+
+static void mt7620_rxcsum_config(bool enable)
+{
+ if (enable)
+ fe_w32(fe_r32(MT7620A_GDMA1_FWD_CFG) | (GDMA_ICS_EN |
+ GDMA_TCS_EN | GDMA_UCS_EN),
+ MT7620A_GDMA1_FWD_CFG);
+ else
+ fe_w32(fe_r32(MT7620A_GDMA1_FWD_CFG) & ~(GDMA_ICS_EN |
+ GDMA_TCS_EN | GDMA_UCS_EN),
+ MT7620A_GDMA1_FWD_CFG);
+}
+
+static void mt7620_txcsum_config(bool enable)
+{
+ if (enable)
+ fe_w32(fe_r32(MT7620A_CDMA_CSG_CFG) | (CDMA_ICS_EN |
+ CDMA_UCS_EN | CDMA_TCS_EN),
+ MT7620A_CDMA_CSG_CFG);
+ else
+ fe_w32(fe_r32(MT7620A_CDMA_CSG_CFG) & ~(CDMA_ICS_EN |
+ CDMA_UCS_EN | CDMA_TCS_EN),
+ MT7620A_CDMA_CSG_CFG);
+}
+
+static int mt7620_fwd_config(struct fe_priv *priv)
+{
+ struct net_device *dev = priv_netdev(priv);
+
+ fe_w32(fe_r32(MT7620A_GDMA1_FWD_CFG) & ~7, MT7620A_GDMA1_FWD_CFG);
+
+ mt7620_txcsum_config((dev->features & NETIF_F_IP_CSUM));
+ mt7620_rxcsum_config((dev->features & NETIF_F_RXCSUM));
+
+ return 0;
+}
+
+static void mt7620_tx_dma(struct fe_tx_dma *txd)
+{
+}
+
+static void mt7620_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_RX_2B_OFFSET |
+ FE_FLAG_RX_SG_DMA | FE_FLAG_HAS_SWITCH;
+
+ netdev->hw_features = NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
+ NETIF_F_HW_VLAN_CTAG_TX;
+ if (mt7620_get_eco() >= 5)
+ netdev->hw_features |= NETIF_F_SG | NETIF_F_TSO | NETIF_F_TSO6 |
+ NETIF_F_IPV6_CSUM;
+}
+
+static struct fe_soc_data mt7620_data = {
+ .init_data = mt7620_init_data,
+ .reset_fe = mt7620_fe_reset,
+ .set_mac = mt7620_set_mac,
+ .fwd_config = mt7620_fwd_config,
+ .tx_dma = mt7620_tx_dma,
+ .switch_init = mtk_gsw_init,
+ .switch_config = mt7620_gsw_config,
+ .port_init = mt7620_port_init,
+ .reg_table = mt7620_reg_table,
+ .pdma_glo_cfg = FE_PDMA_SIZE_16DWORDS,
+ .rx_int = RT5350_RX_DONE_INT,
+ .tx_int = RT5350_TX_DONE_INT,
+ .status_int = MT7620_FE_GDM1_AF,
+ .checksum_bit = MT7620_L4_VALID,
+ .has_carrier = mt7620_has_carrier,
+ .mdio_read = mt7620_mdio_read,
+ .mdio_write = mt7620_mdio_write,
+ .mdio_adjust_link = mt7620_mdio_link_adjust,
+};
+
+const struct of_device_id of_fe_match[] = {
+ { .compatible = "mediatek,mt7620-eth", .data = &mt7620_data },
+ {},
+};
+
+MODULE_DEVICE_TABLE(of, of_fe_match);
diff --git a/target/linux/ramips/files/drivers/net/ethernet/ralink/soc_mt7621.c b/target/linux/ramips/files/drivers/net/ethernet/ralink/soc_mt7621.c
new file mode 100644
index 0000000000..26a198fa2b
--- /dev/null
+++ b/target/linux/ramips/files/drivers/net/ethernet/ralink/soc_mt7621.c
@@ -0,0 +1,187 @@
+/* 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@nbd.name>
+ * Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com>
+ */
+
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/if_vlan.h>
+#include <linux/of_net.h>
+
+#include <asm/mach-ralink/ralink_regs.h>
+
+#include "mtk_eth_soc.h"
+#include "gsw_mt7620.h"
+#include "mt7530.h"
+#include "mdio.h"
+
+#define MT7620A_CDMA_CSG_CFG 0x400
+#define MT7621_CDMP_IG_CTRL (MT7620A_CDMA_CSG_CFG + 0x00)
+#define MT7621_CDMP_EG_CTRL (MT7620A_CDMA_CSG_CFG + 0x04)
+#define MT7621_RESET_FE BIT(6)
+#define MT7621_L4_VALID BIT(24)
+
+#define MT7621_TX_DMA_UDF BIT(19)
+#define MT7621_TX_DMA_FPORT BIT(25)
+
+#define CDMA_ICS_EN BIT(2)
+#define CDMA_UCS_EN BIT(1)
+#define CDMA_TCS_EN BIT(0)
+
+#define GDMA_ICS_EN BIT(22)
+#define GDMA_TCS_EN BIT(21)
+#define GDMA_UCS_EN BIT(20)
+
+/* frame engine counters */
+#define MT7621_REG_MIB_OFFSET 0x2000
+#define MT7621_PPE_AC_BCNT0 (MT7621_REG_MIB_OFFSET + 0x00)
+#define MT7621_GDM1_TX_GBCNT (MT7621_REG_MIB_OFFSET + 0x400)
+#define MT7621_GDM2_TX_GBCNT (MT7621_GDM1_TX_GBCNT + 0x40)
+
+#define GSW_REG_GDMA1_MAC_ADRL 0x508
+#define GSW_REG_GDMA1_MAC_ADRH 0x50C
+
+#define MT7621_FE_RST_GL (FE_FE_OFFSET + 0x04)
+#define MT7620_FE_INT_STATUS2 (FE_FE_OFFSET + 0x08)
+
+/* FE_INT_STATUS reg on mt7620 define CNT_GDM1_AF at BIT(29)
+ * but after test it should be BIT(13).
+ */
+#define MT7620_FE_GDM1_AF BIT(13)
+#define MT7621_FE_GDM1_AF BIT(28)
+#define MT7621_FE_GDM2_AF BIT(29)
+
+static const u16 mt7621_reg_table[FE_REG_COUNT] = {
+ [FE_REG_PDMA_GLO_CFG] = RT5350_PDMA_GLO_CFG,
+ [FE_REG_PDMA_RST_CFG] = RT5350_PDMA_RST_CFG,
+ [FE_REG_DLY_INT_CFG] = RT5350_DLY_INT_CFG,
+ [FE_REG_TX_BASE_PTR0] = RT5350_TX_BASE_PTR0,
+ [FE_REG_TX_MAX_CNT0] = RT5350_TX_MAX_CNT0,
+ [FE_REG_TX_CTX_IDX0] = RT5350_TX_CTX_IDX0,
+ [FE_REG_TX_DTX_IDX0] = RT5350_TX_DTX_IDX0,
+ [FE_REG_RX_BASE_PTR0] = RT5350_RX_BASE_PTR0,
+ [FE_REG_RX_MAX_CNT0] = RT5350_RX_MAX_CNT0,
+ [FE_REG_RX_CALC_IDX0] = RT5350_RX_CALC_IDX0,
+ [FE_REG_RX_DRX_IDX0] = RT5350_RX_DRX_IDX0,
+ [FE_REG_FE_INT_ENABLE] = RT5350_FE_INT_ENABLE,
+ [FE_REG_FE_INT_STATUS] = RT5350_FE_INT_STATUS,
+ [FE_REG_FE_DMA_VID_BASE] = 0,
+ [FE_REG_FE_COUNTER_BASE] = MT7621_GDM1_TX_GBCNT,
+ [FE_REG_FE_RST_GL] = MT7621_FE_RST_GL,
+ [FE_REG_FE_INT_STATUS2] = MT7620_FE_INT_STATUS2,
+};
+
+static int mt7621_gsw_config(struct fe_priv *priv)
+{
+ if (priv->mii_bus && mdiobus_get_phy(priv->mii_bus, 0x1f))
+ mt7530_probe(priv->dev, NULL, priv->mii_bus, 1);
+
+ return 0;
+}
+
+static void mt7621_fe_reset(void)
+{
+ fe_reset(MT7621_RESET_FE);
+}
+
+static void mt7621_rxcsum_config(bool enable)
+{
+ if (enable)
+ fe_w32(fe_r32(MT7620A_GDMA1_FWD_CFG) | (GDMA_ICS_EN |
+ GDMA_TCS_EN | GDMA_UCS_EN),
+ MT7620A_GDMA1_FWD_CFG);
+ else
+ fe_w32(fe_r32(MT7620A_GDMA1_FWD_CFG) & ~(GDMA_ICS_EN |
+ GDMA_TCS_EN | GDMA_UCS_EN),
+ MT7620A_GDMA1_FWD_CFG);
+}
+
+static void mt7621_rxvlan_config(bool enable)
+{
+ if (enable)
+ fe_w32(1, MT7621_CDMP_EG_CTRL);
+ else
+ fe_w32(0, MT7621_CDMP_EG_CTRL);
+}
+
+static int mt7621_fwd_config(struct fe_priv *priv)
+{
+ struct net_device *dev = priv_netdev(priv);
+
+ fe_w32(fe_r32(MT7620A_GDMA1_FWD_CFG) & ~0xffff,
+ MT7620A_GDMA1_FWD_CFG);
+
+ /* mt7621 doesn't have txcsum config */
+ mt7621_rxcsum_config((dev->features & NETIF_F_RXCSUM));
+ mt7621_rxvlan_config(dev->features & NETIF_F_HW_VLAN_CTAG_RX);
+
+ return 0;
+}
+
+static void mt7621_tx_dma(struct fe_tx_dma *txd)
+{
+ txd->txd4 = MT7621_TX_DMA_FPORT;
+}
+
+static void mt7621_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_RX_2B_OFFSET |
+ FE_FLAG_RX_SG_DMA | FE_FLAG_NAPI_WEIGHT |
+ FE_FLAG_HAS_SWITCH | FE_FLAG_JUMBO_FRAME;
+
+ netdev->hw_features = NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
+ NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX |
+ NETIF_F_SG | NETIF_F_TSO |
+ NETIF_F_TSO6 | NETIF_F_IPV6_CSUM |
+ NETIF_F_TSO_MANGLEID;
+}
+
+static void mt7621_set_mac(struct fe_priv *priv, unsigned char *mac)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&priv->page_lock, flags);
+ fe_w32((mac[0] << 8) | mac[1], GSW_REG_GDMA1_MAC_ADRH);
+ fe_w32((mac[2] << 24) | (mac[3] << 16) | (mac[4] << 8) | mac[5],
+ GSW_REG_GDMA1_MAC_ADRL);
+ spin_unlock_irqrestore(&priv->page_lock, flags);
+}
+
+static struct fe_soc_data mt7621_data = {
+ .init_data = mt7621_init_data,
+ .reset_fe = mt7621_fe_reset,
+ .set_mac = mt7621_set_mac,
+ .fwd_config = mt7621_fwd_config,
+ .tx_dma = mt7621_tx_dma,
+ .switch_init = mtk_gsw_init,
+ .switch_config = mt7621_gsw_config,
+ .reg_table = mt7621_reg_table,
+ .pdma_glo_cfg = FE_PDMA_SIZE_16DWORDS,
+ .rx_int = RT5350_RX_DONE_INT,
+ .tx_int = RT5350_TX_DONE_INT,
+ .status_int = (MT7621_FE_GDM1_AF | MT7621_FE_GDM2_AF),
+ .checksum_bit = MT7621_L4_VALID,
+ .has_carrier = mt7620_has_carrier,
+ .mdio_read = mt7620_mdio_read,
+ .mdio_write = mt7620_mdio_write,
+ .mdio_adjust_link = mt7620_mdio_link_adjust,
+};
+
+const struct of_device_id of_fe_match[] = {
+ { .compatible = "mediatek,mt7621-eth", .data = &mt7621_data },
+ {},
+};
+
+MODULE_DEVICE_TABLE(of, of_fe_match);
diff --git a/target/linux/ramips/files/drivers/net/ethernet/ralink/soc_rt2880.c b/target/linux/ramips/files/drivers/net/ethernet/ralink/soc_rt2880.c
new file mode 100644
index 0000000000..6c89c997d9
--- /dev/null
+++ b/target/linux/ramips/files/drivers/net/ethernet/ralink/soc_rt2880.c
@@ -0,0 +1,76 @@
+/* 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@nbd.name>
+ * 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 RT2880_RESET_FE BIT(18)
+
+static void rt2880_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_HW_VLAN_CTAG_TX;
+ /* this should work according to the datasheet but actually does not*/
+ /* netdev->hw_features |= NETIF_F_IP_CSUM | NETIF_F_RXCSUM; */
+}
+
+void rt2880_fe_reset(void)
+{
+ fe_reset(RT2880_RESET_FE);
+}
+
+static int rt2880_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_INIT, FE_PSE_FQ_CFG);
+ fe_csum_config(priv);
+
+ return ret;
+}
+
+struct fe_soc_data rt2880_data = {
+ .init_data = rt2880_init_data,
+ .reset_fe = rt2880_fe_reset,
+ .fwd_config = rt2880_fwd_config,
+ .pdma_glo_cfg = FE_PDMA_SIZE_8DWORDS,
+ .checksum_bit = RX_DMA_L4VALID,
+ .rx_int = FE_RX_DONE_INT,
+ .tx_int = FE_TX_DONE_INT,
+ .status_int = FE_CNT_GDM_AF,
+ .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,rt2880-eth", .data = &rt2880_data },
+ {},
+};
+
+MODULE_DEVICE_TABLE(of, of_fe_match);
diff --git a/target/linux/ramips/files/drivers/net/ethernet/ralink/soc_rt3050.c b/target/linux/ramips/files/drivers/net/ethernet/ralink/soc_rt3050.c
new file mode 100644
index 0000000000..914b81410e
--- /dev/null
+++ b/target/linux/ramips/files/drivers/net/ethernet/ralink/soc_rt3050.c
@@ -0,0 +1,158 @@
+/* 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@nbd.name>
+ * 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 RT305X_RESET_FE BIT(21)
+#define RT305X_RESET_ESW BIT(23)
+
+static const u16 rt5350_reg_table[FE_REG_COUNT] = {
+ [FE_REG_PDMA_GLO_CFG] = RT5350_PDMA_GLO_CFG,
+ [FE_REG_PDMA_RST_CFG] = RT5350_PDMA_RST_CFG,
+ [FE_REG_DLY_INT_CFG] = RT5350_DLY_INT_CFG,
+ [FE_REG_TX_BASE_PTR0] = RT5350_TX_BASE_PTR0,
+ [FE_REG_TX_MAX_CNT0] = RT5350_TX_MAX_CNT0,
+ [FE_REG_TX_CTX_IDX0] = RT5350_TX_CTX_IDX0,
+ [FE_REG_TX_DTX_IDX0] = RT5350_TX_DTX_IDX0,
+ [FE_REG_RX_BASE_PTR0] = RT5350_RX_BASE_PTR0,
+ [FE_REG_RX_MAX_CNT0] = RT5350_RX_MAX_CNT0,
+ [FE_REG_RX_CALC_IDX0] = RT5350_RX_CALC_IDX0,
+ [FE_REG_RX_DRX_IDX0] = RT5350_RX_DRX_IDX0,
+ [FE_REG_FE_INT_ENABLE] = RT5350_FE_INT_ENABLE,
+ [FE_REG_FE_INT_STATUS] = RT5350_FE_INT_STATUS,
+ [FE_REG_FE_RST_GL] = 0,
+ [FE_REG_FE_DMA_VID_BASE] = 0,
+};
+
+static void rt305x_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_CALIBRATE_CLK | FE_FLAG_HAS_SWITCH;
+ netdev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM |
+ NETIF_F_RXCSUM | NETIF_F_HW_VLAN_CTAG_TX;
+}
+
+static int rt3050_fwd_config(struct fe_priv *priv)
+{
+ int ret;
+
+ if (ralink_soc != RT305X_SOC_RT3052) {
+ ret = fe_set_clock_cycle(priv);
+ if (ret)
+ return ret;
+ }
+
+ fe_fwd_config(priv);
+ if (ralink_soc != RT305X_SOC_RT3352)
+ fe_w32(FE_PSE_FQFC_CFG_INIT, FE_PSE_FQ_CFG);
+ fe_csum_config(priv);
+
+ return 0;
+}
+
+static void rt305x_fe_reset(void)
+{
+ fe_reset(RT305X_RESET_FE);
+}
+
+static void rt5350_init_data(struct fe_soc_data *data,
+ struct net_device *netdev)
+{
+ struct fe_priv *priv = netdev_priv(netdev);
+
+ priv->flags = FE_FLAG_HAS_SWITCH;
+ netdev->hw_features = NETIF_F_SG | NETIF_F_RXCSUM;
+}
+
+static void rt5350_set_mac(struct fe_priv *priv, unsigned char *mac)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&priv->page_lock, flags);
+ fe_w32((mac[0] << 8) | mac[1], RT5350_SDM_MAC_ADRH);
+ fe_w32((mac[2] << 24) | (mac[3] << 16) | (mac[4] << 8) | mac[5],
+ RT5350_SDM_MAC_ADRL);
+ spin_unlock_irqrestore(&priv->page_lock, flags);
+}
+
+static void rt5350_rxcsum_config(bool enable)
+{
+ if (enable)
+ fe_w32(fe_r32(RT5350_SDM_CFG) | (RT5350_SDM_ICS_EN |
+ RT5350_SDM_TCS_EN | RT5350_SDM_UCS_EN),
+ RT5350_SDM_CFG);
+ else
+ fe_w32(fe_r32(RT5350_SDM_CFG) & ~(RT5350_SDM_ICS_EN |
+ RT5350_SDM_TCS_EN | RT5350_SDM_UCS_EN),
+ RT5350_SDM_CFG);
+}
+
+static int rt5350_fwd_config(struct fe_priv *priv)
+{
+ struct net_device *dev = priv_netdev(priv);
+
+ rt5350_rxcsum_config((dev->features & NETIF_F_RXCSUM));
+
+ return 0;
+}
+
+static void rt5350_tx_dma(struct fe_tx_dma *txd)
+{
+ txd->txd4 = 0;
+}
+
+static void rt5350_fe_reset(void)
+{
+ fe_reset(RT305X_RESET_FE | RT305X_RESET_ESW);
+}
+
+static struct fe_soc_data rt3050_data = {
+ .init_data = rt305x_init_data,
+ .reset_fe = rt305x_fe_reset,
+ .fwd_config = rt3050_fwd_config,
+ .pdma_glo_cfg = FE_PDMA_SIZE_8DWORDS,
+ .checksum_bit = RX_DMA_L4VALID,
+ .rx_int = FE_RX_DONE_INT,
+ .tx_int = FE_TX_DONE_INT,
+ .status_int = FE_CNT_GDM_AF,
+};
+
+static struct fe_soc_data rt5350_data = {
+ .init_data = rt5350_init_data,
+ .reg_table = rt5350_reg_table,
+ .reset_fe = rt5350_fe_reset,
+ .set_mac = rt5350_set_mac,
+ .fwd_config = rt5350_fwd_config,
+ .tx_dma = rt5350_tx_dma,
+ .pdma_glo_cfg = FE_PDMA_SIZE_8DWORDS,
+ .checksum_bit = RX_DMA_L4VALID,
+ .rx_int = RT5350_RX_DONE_INT,
+ .tx_int = RT5350_TX_DONE_INT,
+};
+
+const struct of_device_id of_fe_match[] = {
+ { .compatible = "ralink,rt3050-eth", .data = &rt3050_data },
+ { .compatible = "ralink,rt5350-eth", .data = &rt5350_data },
+ {},
+};
+
+MODULE_DEVICE_TABLE(of, of_fe_match);
diff --git a/target/linux/ramips/files/drivers/net/ethernet/ralink/soc_rt3883.c b/target/linux/ramips/files/drivers/net/ethernet/ralink/soc_rt3883.c
new file mode 100644
index 0000000000..4935b7fbd4
--- /dev/null
+++ b/target/linux/ramips/files/drivers/net/ethernet/ralink/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@nbd.name>
+ * 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);