hak5
/
openwrt-owl
mirror of https://github.com/hak5/openwrt-owl.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity
openwrt-owl/target/linux/ramips/patches-4.3/0513-net-mediatek-add-swcon...

914 lines
24 KiB
Diff
Raw Blame History

From cf5a08f1f16913da8bb24a96afaa2969b29d0827 Mon Sep 17 00:00:00 2001
From: John Crispin <blogic@openwrt.org>
Date: Mon, 14 Dec 2015 22:25:57 +0100
Subject: [PATCH 513/513] net: mediatek: add swconfig driver for gsw_mt762x
Signed-off-by: John Crispin <blogic@openwrt.org>
---
drivers/net/ethernet/mediatek/Makefile | 4 +-
drivers/net/ethernet/mediatek/mt7530.c | 804 +++++++++++++++++++++++++++
drivers/net/ethernet/mediatek/mt7530.h | 20 +
drivers/net/ethernet/mediatek/mtk_eth_soc.c | 9 +-
drivers/net/ethernet/mediatek/mtk_eth_soc.h | 1 +
drivers/net/ethernet/mediatek/soc_mt7620.c | 1 +
6 files changed, 835 insertions(+), 4 deletions(-)
create mode 100644 drivers/net/ethernet/mediatek/mt7530.c
create mode 100644 drivers/net/ethernet/mediatek/mt7530.h
diff --git a/drivers/net/ethernet/mediatek/Makefile b/drivers/net/ethernet/mediatek/Makefile
index c4d2dfb..07ba4c2 100644
--- a/drivers/net/ethernet/mediatek/Makefile
+++ b/drivers/net/ethernet/mediatek/Makefile
@@ -15,6 +15,6 @@ mtk-eth-soc-$(CONFIG_NET_MEDIATEK_MT7620) += soc_mt7620.o
mtk-eth-soc-$(CONFIG_NET_MEDIATEK_MT7621) += soc_mt7621.o
obj-$(CONFIG_NET_MEDIATEK_ESW_RT3050) += esw_rt3050.o
-obj-$(CONFIG_NET_MEDIATEK_GSW_MT7620) += gsw_mt7620.o
-obj-$(CONFIG_NET_MEDIATEK_GSW_MT7621) += gsw_mt7621.o
+obj-$(CONFIG_NET_MEDIATEK_GSW_MT7620) += gsw_mt7620.o mt7530.o
+obj-$(CONFIG_NET_MEDIATEK_GSW_MT7621) += gsw_mt7621.o mt7530.o
obj-$(CONFIG_NET_MEDIATEK_SOC) += mtk-eth-soc.o
diff --git a/drivers/net/ethernet/mediatek/mt7530.c b/drivers/net/ethernet/mediatek/mt7530.c
new file mode 100644
index 0000000..4d9980d
--- /dev/null
+++ b/drivers/net/ethernet/mediatek/mt7530.c
@@ -0,0 +1,804 @@
+/*
+ * 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>
+ */
+
+#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
+#define MT7530_NUM_VLANS 16
+#define MT7530_MAX_VID 4095
+#define MT7530_MIN_VID 0
+
+/* registers */
+#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_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;
+};
+
+#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
+
+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;
+};
+
+struct mt7530_vlan_entry {
+ u16 vid;
+ u8 member;
+ u8 etags;
+};
+
+struct mt7530_priv {
+ void __iomem *base;
+ struct mii_bus *bus;
+ struct switch_dev swdev;
+
+ 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 },
+ },
+};
+
+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 egress tag control neither untag nor tag.\n");
+ }
+
+ 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
+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_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;
+
+ if (!priv->global_vlan_enable) {
+ for (i = 0; i < MT7530_NUM_PORTS; i++)
+ mt7530_w32(priv, REG_ESW_PORT_PCR(i), 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);
+ }
+
+ 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;
+ u32 val;
+
+ /* vid of vlan */
+ val = mt7530_r32(priv, REG_ESW_VLAN_VTIM(i));
+ if (i % 2 == 0) {
+ val &= 0xfff000;
+ val |= vid;
+ } else {
+ val &= 0xfff;
+ val |= (vid << 12);
+ }
+ mt7530_w32(priv, REG_ESW_VLAN_VTIM(i), val);
+
+ /* vlan port membership */
+ if (member)
+ mt7530_w32(priv, REG_ESW_VLAN_VAWD1, REG_ESW_VLAN_VAWD1_IVL_MAC |
+ REG_ESW_VLAN_VAWD1_VTAG_EN | (member << 16) |
+ REG_ESW_VLAN_VAWD1_VALID);
+ else
+ mt7530_w32(priv, REG_ESW_VLAN_VAWD1, 0);
+
+ /* egress mode */
+ val = 0;
+ for (j = 0; j < MT7530_NUM_PORTS; j++) {
+ if (etags & BIT(j))
+ val |= ETAG_CTRL_TAG << (j * 2);
+ else
+ val |= ETAG_CTRL_UNTAG << (j * 2);
+ }
+ mt7530_w32(priv, REG_ESW_VLAN_VAWD2, val);
+
+ /* write to vlan table */
+ mt7530_vtcr(priv, 1, i);
+ }
+
+ /* Port Default PVID */
+ for (i = 0; i < MT7530_NUM_PORTS; i++) {
+ u32 val;
+ val = mt7530_r32(priv, REG_ESW_PORT_PPBV1(i));
+ val &= ~0xfff;
+ val |= priv->port_entries[i].pvid;
+ mt7530_w32(priv, REG_ESW_PORT_PPBV1(i), 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 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,
+ },
+};
+
+static u64 get_mib_counter(struct mt7530_priv *priv, int i, int port)
+{
+ unsigned int port_base;
+ u64 t;
+
+ port_base = MT7621_MIB_COUNTER_BASE +
+ MT7621_MIB_COUNTER_PORT_OFFSET * port;
+
+ t = 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);
+ t |= hi << 32;
+ }
+
+ return t;
+}
+
+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 < sizeof(mt7621_mibs) / sizeof(*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 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,
+ },
+};
+
+static const struct switch_attr mt7530_port[] = {
+};
+
+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 = 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,
+ .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,
+ .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/drivers/net/ethernet/mediatek/mt7530.h b/drivers/net/ethernet/mediatek/mt7530.h
new file mode 100644
index 0000000..1fc8c62
--- /dev/null
+++ b/drivers/net/ethernet/mediatek/mt7530.h
@@ -0,0 +1,20 @@
+/*
+ * 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>
+ */
+
+#ifndef _MT7530_H__
+#define _MT7530_H__
+
+int mt7530_probe(struct device *dev, void __iomem *base, struct mii_bus *bus, int vlan);
+
+#endif
diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
index dae7147..6299f87 100644
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -1308,8 +1308,13 @@ static int __init fe_init(struct net_device *dev)
}
err = fe_hw_init(dev);
- if (!err)
- return 0;
+ 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)
diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.h b/drivers/net/ethernet/mediatek/mtk_eth_soc.h
index ba5ba07..d5f8b87 100644
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h
@@ -383,6 +383,7 @@ struct fe_soc_data {
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);
diff --git a/drivers/net/ethernet/mediatek/soc_mt7620.c b/drivers/net/ethernet/mediatek/soc_mt7620.c
index 9ad6bc9..740dd90 100644
--- a/drivers/net/ethernet/mediatek/soc_mt7620.c
+++ b/drivers/net/ethernet/mediatek/soc_mt7620.c
@@ -313,6 +313,7 @@ static struct fe_soc_data mt7620_data = {
.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,
--
1.7.10.4
Reference in New Issue View Git Blame Copy Permalink