ralink: backport the ethernet driver from trunk

Signed-off-by: John Crispin <blogic@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/branches/barrier_breaker@43312 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
blogic 2014-11-19 10:59:10 +00:00
parent f5a22ddf41
commit d6d3e93c3a
26 changed files with 6560 additions and 5052 deletions

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/*
* Ralink RT305x SoC platform device registration
*
* Copyright (C) 2010 Gabor Juhos <juhosg@openwrt.org>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation.
*/
#ifndef _RT305X_ESW_PLATFORM_H
#define _RT305X_ESW_PLATFORM_H
enum {
RT305X_ESW_VLAN_CONFIG_NONE = 0,
RT305X_ESW_VLAN_CONFIG_LLLLW,
RT305X_ESW_VLAN_CONFIG_WLLLL,
};
struct rt305x_esw_platform_data
{
u8 vlan_config;
u32 reg_initval_fct2;
u32 reg_initval_fpa2;
};
#endif /* _RT305X_ESW_PLATFORM_H */

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config NET_RALINK
tristate "Ralink ethernet driver"
depends on RALINK
help
This driver supports the ethernet mac inside the ralink wisocs
if NET_RALINK
choice
prompt "MAC type"
config NET_RALINK_RT288X
bool "RT288X"
depends on SOC_RT288X
config NET_RALINK_RT305X
bool "RT305X"
depends on (SOC_RT305X || SOC_MT7620)
config NET_RALINK_RT3883
bool "RT3883"
depends on SOC_RT3883
config NET_RALINK_MT7620
bool "MT7620"
depends on (SOC_MT7620 || SOC_MT7621)
endchoice
config NET_RALINK_MDIO
def_bool NET_RALINK
depends on (NET_RALINK_RT288X || NET_RALINK_RT3883 || NET_RALINK_MT7620 || NET_RALINK_MT7621)
select PHYLIB
config NET_RALINK_MDIO_RT2880
def_bool NET_RALINK
depends on (NET_RALINK_RT288X || NET_RALINK_RT3883)
select NET_RALINK_MDIO
config NET_RALINK_ESW_RT3052
def_bool NET_RALINK
depends on NET_RALINK_RT305X
select PHYLIB
select SWCONFIG
config NET_RALINK_GSW_MT7620
def_bool NET_RALINK
depends on NET_RALINK_MT7620 || NET_RALINK_MT7621
select NET_RALINK_MDIO
select PHYLIB
select SWCONFIG
endif

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#
# Makefile for the Ralink SoCs built-in ethernet macs
#
ralink-eth-y += ralink_soc_eth.o ralink_ethtool.o
ralink-eth-$(CONFIG_NET_RALINK_MDIO) += mdio.o
ralink-eth-$(CONFIG_NET_RALINK_MDIO_RT2880) += mdio_rt2880.o
ralink-eth-$(CONFIG_NET_RALINK_ESW_RT3052) += esw_rt3052.o
ralink-eth-$(CONFIG_NET_RALINK_GSW_MT7620) += gsw_mt7620a.o mt7530.o
ralink-eth-$(CONFIG_NET_RALINK_RT288X) += soc_rt2880.o
ralink-eth-$(CONFIG_NET_RALINK_RT305X) += soc_rt305x.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) += ralink-eth.o

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/*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
*
* Copyright (C) 2009-2013 John Crispin <blogic@openwrt.org>
*/
#ifndef _RALINK_ESW_RT3052_H__
#define _RALINK_ESW_RT3052_H__
#ifdef CONFIG_NET_RALINK_ESW_RT3052
int __init rtesw_init(void);
void rtesw_exit(void);
#else
static inline int __init rtesw_init(void) { return 0; }
static inline void rtesw_exit(void) { }
#endif
#endif

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/*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
*
* Copyright (C) 2009-2013 John Crispin <blogic@openwrt.org>
*/
#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/of_irq.h>
#include <linux/of_address.h>
#include <linux/switch.h>
#include <asm/mach-ralink/ralink_regs.h>
#include "ralink_soc_eth.h"
#include <linux/ioport.h>
#include <linux/switch.h>
#include <linux/mii.h>
#include <ralink_regs.h>
#include <asm/mach-ralink/mt7620.h>
#include "ralink_soc_eth.h"
#include "gsw_mt7620a.h"
#include "mt7530.h"
#include "mdio.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_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 SYSC_REG_CHIP_REV_ID 0x0c
#define SYSC_REG_CFG1 0x14
#define SYSC_REG_RESET_CTRL 0x34
#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;
long unsigned int autopoll;
};
static inline void gsw_w32(struct mt7620_gsw *gsw, u32 val, unsigned reg)
{
iowrite32(val, gsw->base + reg);
}
static inline u32 gsw_r32(struct mt7620_gsw *gsw, unsigned reg)
{
return ioread32(gsw->base + reg);
}
static int mt7620_mii_busy_wait(struct mt7620_gsw *gsw)
{
unsigned long t_start = jiffies;
while (1) {
if (!(gsw_r32(gsw, MT7620A_GSW_REG_PIAC) & GSW_MDIO_ACCESS))
return 0;
if (time_after(jiffies, t_start + GSW_REG_PHY_TIMEOUT)) {
break;
}
}
printk(KERN_ERR "mdio: MDIO timeout\n");
return -1;
}
static 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;
gsw_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;
}
static u32 _mt7620_mii_read(struct mt7620_gsw *gsw, int phy_addr, int phy_reg)
{
u32 d;
if (mt7620_mii_busy_wait(gsw))
return 0xffff;
gsw_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 = gsw_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);
}
static 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);
}
static 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 mt7620a_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 (gsw_r32(gsw, GSW_REG_PORT_STATUS(i)) & 0x1)
return 1;
return 0;
}
static void mt7620a_handle_carrier(struct fe_priv *priv)
{
if (!priv->phy)
return;
if (mt7620a_has_carrier(priv))
netif_carrier_on(priv->netdev);
else
netif_carrier_off(priv->netdev);
}
void mt7620_mdio_link_adjust(struct fe_priv *priv, int port)
{
if (priv->link[port])
netdev_info(priv->netdev, "port %d link up (%sMbps/%s duplex)\n",
port, fe_speed_str(priv->phy->speed[port]),
(DUPLEX_FULL == priv->phy->duplex[port]) ? "Full" : "Half");
else
netdev_info(priv->netdev, "port %d link down\n", port);
mt7620a_handle_carrier(priv);
}
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 = gsw_r32(gsw, GSW_REG_ISR);
if (status & PORT_IRQ_ST_CHG)
for (i = 0; i <= max; i++) {
u32 status = gsw_r32(gsw, GSW_REG_PORT_STATUS(i));
int link = status & 0x1;
if (link != priv->link[i]) {
if (link)
netdev_info(priv->netdev, "port %d link up (%sMbps/%s duplex)\n",
i, fe_speed_str((status >> 2) & 3),
(status & 0x2) ? "Full" : "Half");
else
netdev_info(priv->netdev, "port %d link down\n", i);
}
priv->link[i] = link;
}
mt7620a_handle_carrier(priv);
gsw_w32(gsw, status, GSW_REG_ISR);
return IRQ_HANDLED;
}
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);
for (i = 0; i < 5; i++)
if (reg & BIT(i)) {
unsigned int 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);
}
}
mt7620a_handle_carrier(priv);
mt7530_mdio_w32(gsw, 0x700c, 0x1f);
return IRQ_HANDLED;
}
static int mt7620_is_bga(void)
{
u32 bga = rt_sysc_r32(0x0c);
return (bga >> 16) & 1;
}
static void gsw_auto_poll(struct mt7620_gsw *gsw)
{
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)
lsb--;
gsw_w32(gsw, PHY_AN_EN | PHY_PRE_EN | PMY_MDC_CONF(5) | (msb << 8) | lsb, ESW_PHY_POLLING);
}
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);
int phy_mode, size, id;
int shift = 12;
u32 val, mask = 0;
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, "ralink,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;
break;
case PHY_INTERFACE_MODE_MII:
mask = 1;
break;
case PHY_INTERFACE_MODE_RMII:
mask = 2;
break;
default:
dev_err(priv->device, "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 (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->device, "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;
gsw_w32(gsw, val, GSW_REG_PORT_PMCR(id));
dev_info(priv->device, "using fixed link parameters\n");
return;
}
if (priv->phy->phy_node[id] && priv->mii_bus->phy_map[id]) {
u32 val = PMCR_BACKPRES | PMCR_BACKOFF | PMCR_RX_EN |
PMCR_TX_EN | PMCR_MAC_MODE | PMCR_IPG;
gsw_w32(gsw, val, GSW_REG_PORT_PMCR(id));
fe_connect_phy_node(priv, priv->phy->phy_node[id]);
gsw->autopoll |= BIT(id);
gsw_auto_poll(gsw);
return;
}
}
static void gsw_hw_init_mt7620(struct mt7620_gsw *gsw, struct device_node *np)
{
u32 is_BGA = mt7620_is_bga();
rt_sysc_w32(rt_sysc_r32(SYSC_REG_CFG1) | BIT(8), SYSC_REG_CFG1);
gsw_w32(gsw, gsw_r32(gsw, GSW_REG_CKGCR) & ~(0x3 << 4), GSW_REG_CKGCR);
if (of_property_read_bool(np, "mediatek,mt7530")) {
u32 val;
/* turn off ephy and set phy base addr to 12 */
gsw_w32(gsw, gsw_r32(gsw, GSW_REG_GPC1) | (0x1f << 24) | (0xc << 16), GSW_REG_GPC1);
/* set MT7530 central align */
val = mt7530_mdio_r32(gsw, 0x7830);
val &= ~1;
val |= 1<<1;
mt7530_mdio_w32(gsw, 0x7830, val);
val = mt7530_mdio_r32(gsw, 0x7a40);
val &= ~(1<<30);
mt7530_mdio_w32(gsw, 0x7a40, val);
mt7530_mdio_w32(gsw, 0x7a78, 0x855);
} else {
/* EPHY1 fixup - only run if the ephy is enabled */
/*correct PHY setting L3.0 BGA*/
_mt7620_mii_write(gsw, 1, 31, 0x4000); //global, page 4
_mt7620_mii_write(gsw, 1, 17, 0x7444);
if (is_BGA)
_mt7620_mii_write(gsw, 1, 19, 0x0114);
else
_mt7620_mii_write(gsw, 1, 19, 0x0117);
_mt7620_mii_write(gsw, 1, 22, 0x10cf);
_mt7620_mii_write(gsw, 1, 25, 0x6212);
_mt7620_mii_write(gsw, 1, 26, 0x0777);
_mt7620_mii_write(gsw, 1, 29, 0x4000);
_mt7620_mii_write(gsw, 1, 28, 0xc077);
_mt7620_mii_write(gsw, 1, 24, 0x0000);
_mt7620_mii_write(gsw, 1, 31, 0x3000); //global, page 3
_mt7620_mii_write(gsw, 1, 17, 0x4838);
_mt7620_mii_write(gsw, 1, 31, 0x2000); //global, page 2
if (is_BGA) {
_mt7620_mii_write(gsw, 1, 21, 0x0515);
_mt7620_mii_write(gsw, 1, 22, 0x0053);
_mt7620_mii_write(gsw, 1, 23, 0x00bf);
_mt7620_mii_write(gsw, 1, 24, 0x0aaf);
_mt7620_mii_write(gsw, 1, 25, 0x0fad);
_mt7620_mii_write(gsw, 1, 26, 0x0fc1);
} else {
_mt7620_mii_write(gsw, 1, 21, 0x0517);
_mt7620_mii_write(gsw, 1, 22, 0x0fd2);
_mt7620_mii_write(gsw, 1, 23, 0x00bf);
_mt7620_mii_write(gsw, 1, 24, 0x0aab);
_mt7620_mii_write(gsw, 1, 25, 0x00ae);
_mt7620_mii_write(gsw, 1, 26, 0x0fff);
}
_mt7620_mii_write(gsw, 1, 31, 0x1000); //global, page 1
_mt7620_mii_write(gsw, 1, 17, 0xe7f8);
}
_mt7620_mii_write(gsw, 1, 31, 0x8000); //local, page 0
_mt7620_mii_write(gsw, 0, 30, 0xa000);
_mt7620_mii_write(gsw, 1, 30, 0xa000);
_mt7620_mii_write(gsw, 2, 30, 0xa000);
_mt7620_mii_write(gsw, 3, 30, 0xa000);
_mt7620_mii_write(gsw, 0, 4, 0x05e1);
_mt7620_mii_write(gsw, 1, 4, 0x05e1);
_mt7620_mii_write(gsw, 2, 4, 0x05e1);
_mt7620_mii_write(gsw, 3, 4, 0x05e1);
_mt7620_mii_write(gsw, 1, 31, 0xa000); //local, page 2
_mt7620_mii_write(gsw, 0, 16, 0x1111);
_mt7620_mii_write(gsw, 1, 16, 0x1010);
_mt7620_mii_write(gsw, 2, 16, 0x1515);
_mt7620_mii_write(gsw, 3, 16, 0x0f0f);
/* CPU Port6 Force Link 1G, FC ON */
gsw_w32(gsw, 0x5e33b, GSW_REG_PORT_PMCR(6));
/* Set Port6 CPU Port */
gsw_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, 4, 30, 0xa000);
_mt7620_mii_write(gsw, 4, 4, 0x05e1);
_mt7620_mii_write(gsw, 4, 16, 0x1313);
pr_info("gsw: setting port4 to ephy mode\n");
}
}
static void gsw_hw_init_mt7621(struct mt7620_gsw *gsw, struct device_node *np)
{
u32 i;
u32 val;
/* Hardware reset Switch */
val = rt_sysc_r32(SYSC_REG_RESET_CTRL);
rt_sysc_w32(val | RST_CTRL_MCM, SYSC_REG_RESET_CTRL);
udelay(1000);
rt_sysc_w32(val, SYSC_REG_RESET_CTRL);
udelay(10000);
/* 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);
//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 |= (0x1 << 11);
_mt7620_mii_write(gsw, i, 0x0, val);
}
/* reset the switch */
mt7530_mdio_w32(gsw, 0x7000, 0x3);
udelay(10);
if ((rt_sysc_r32(SYSC_REG_CHIP_REV_ID) & 0xFFFF) == 0x0101) {
/* (GE1, Force 1000M/FD, FC ON) */
gsw_w32(gsw, 0x2005e30b, 0x100);
mt7530_mdio_w32(gsw, 0x3600, 0x5e30b);
} else {
/* (GE1, Force 1000M/FD, FC ON) */
gsw_w32(gsw, 0x2005e33b, 0x100);
mt7530_mdio_w32(gsw, 0x3600, 0x5e33b);
}
/* (GE2, Link down) */
gsw_w32(gsw, 0x8000, 0x200);
//val = 0x117ccf; //Enable Port 6, P5 as GMAC5, P5 disable
val = mt7530_mdio_r32(gsw, 0x7804);
val &= ~(1<<8); //Enable Port 6
val |= (1<<6); //Disable Port 5
val |= (1<<13); //Port 5 as GMAC, no Internal PHY
val |= (1<<16);//change HW-TRAP
printk("change HW-TRAP to 0x%x\n", val);
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);
udelay(20);
/* 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 &= ~1;
val |= 1<<1;
mt7530_mdio_w32(gsw, 0x7830, val);
val = mt7530_mdio_r32(gsw, 0x7a40);
val &= ~(1<<30);
mt7530_mdio_w32(gsw, 0x7a40, val);
mt7530_mdio_w32(gsw, 0x7a78, 0x855);
mt7530_mdio_w32(gsw, 0x7b00, 0x102); //delay setting for 10/1000M
mt7530_mdio_w32(gsw, 0x7b04, 0x14); //delay setting for 10/1000M
/*Tx Driving*/
mt7530_mdio_w32(gsw, 0x7a54, 0x44); //lower driving
mt7530_mdio_w32(gsw, 0x7a5c, 0x44); //lower driving
mt7530_mdio_w32(gsw, 0x7a64, 0x44); //lower driving
mt7530_mdio_w32(gsw, 0x7a6c, 0x44); //lower driving
mt7530_mdio_w32(gsw, 0x7a74, 0x44); //lower driving
mt7530_mdio_w32(gsw, 0x7a7c, 0x44); //lower driving
//LANWANPartition();
/* 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 */
val = mt7530_mdio_r32(gsw, 0x7808);
val |= 3 << 16;
mt7530_mdio_w32(gsw, 0x7808, val);
}
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);
gsw_w32(gsw, (mac[0] << 8) | mac[1], GSW_REG_SMACCR1);
gsw_w32(gsw, (mac[2] << 24) | (mac[3] << 16) | (mac[4] << 8) | mac[5],
GSW_REG_SMACCR0);
spin_unlock_irqrestore(&priv->page_lock, flags);
}
static struct of_device_id gsw_match[] = {
{ .compatible = "ralink,mt7620a-gsw" },
{}
};
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 && priv->mii_bus->phy_map[0x1f]) {
mt7530_probe(priv->device, gsw->base, NULL, 0);
mt7530_probe(priv->device, NULL, priv->mii_bus, 1);
} else {
mt7530_probe(priv->device, gsw->base, NULL, 1);
}
return 0;
}
int mt7621_gsw_config(struct fe_priv *priv)
{
if (priv->mii_bus && priv->mii_bus->phy_map[0x1f])
mt7530_probe(priv->device, NULL, priv->mii_bus, 1);
return 0;
}
int mt7620_gsw_probe(struct fe_priv *priv)
{
struct mt7620_gsw *gsw;
struct device_node *np;
const char *port4 = NULL;
np = of_find_matching_node(NULL, gsw_match);
if (!np) {
dev_err(priv->device, "no gsw node found\n");
return -EINVAL;
}
np = of_node_get(np);
gsw = devm_kzalloc(priv->device, sizeof(struct mt7620_gsw), GFP_KERNEL);
if (!gsw) {
dev_err(priv->device, "no gsw memory for private data\n");
return -ENOMEM;
}
gsw->base = of_iomap(np, 0);
if (!gsw->base) {
dev_err(priv->device, "gsw ioremap failed\n");
return -ENOMEM;
}
gsw->dev = priv->device;
priv->soc->swpriv = gsw;
of_property_read_string(np, "ralink,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 (IS_ENABLED(CONFIG_SOC_MT7620))
gsw_hw_init_mt7620(gsw, np);
else
gsw_hw_init_mt7621(gsw, np);
gsw->irq = irq_of_parse_and_map(np, 0);
if (gsw->irq) {
if (IS_ENABLED(CONFIG_SOC_MT7620)) {
request_irq(gsw->irq, gsw_interrupt_mt7620, 0, "gsw", priv);
gsw_w32(gsw, ~PORT_IRQ_ST_CHG, GSW_REG_IMR);
} else {
request_irq(gsw->irq, gsw_interrupt_mt7621, 0, "gsw", priv);
mt7530_mdio_w32(gsw, 0x7008, 0x1f);
}
}
return 0;
}

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/*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
*
* Copyright (C) 2009-2013 John Crispin <blogic@openwrt.org>
*/
#ifndef _RALINK_GSW_MT7620_H__
#define _RALINK_GSW_MT7620_H__
extern int mt7620_gsw_config(struct fe_priv *priv);
extern int mt7621_gsw_config(struct fe_priv *priv);
extern int mt7620_gsw_probe(struct fe_priv *priv);
extern void mt7620_set_mac(struct fe_priv *priv, unsigned char *mac);
extern int mt7620_mdio_write(struct mii_bus *bus, int phy_addr, int phy_reg, u16 val);
extern int mt7620_mdio_read(struct mii_bus *bus, int phy_addr, int phy_reg);
extern void mt7620_mdio_link_adjust(struct fe_priv *priv, int port);
extern void mt7620_port_init(struct fe_priv *priv, struct device_node *np);
extern int mt7620a_has_carrier(struct fe_priv *priv);
#endif

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/*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
*
* Copyright (C) 2009-2013 John Crispin <blogic@openwrt.org>
*/
#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/phy.h>
#include <linux/of_device.h>
#include <linux/clk.h>
#include <linux/of_net.h>
#include <linux/of_mdio.h>
#include "ralink_soc_eth.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;
}
}
}
}
int fe_connect_phy_node(struct fe_priv *priv, struct device_node *phy_node)
{
const __be32 *_port = NULL;
struct phy_device *phydev;
int phy_mode, port;
_port = of_get_property(phy_node, "reg", NULL);
if (!_port || (be32_to_cpu(*_port) >= 0x20)) {
pr_err("%s: invalid port id\n", phy_node->name);
return -EINVAL;
}
port = be32_to_cpu(*_port);
phy_mode = of_get_phy_mode(phy_node);
if (phy_mode < 0) {
dev_err(priv->device, "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 (IS_ERR(phydev)) {
dev_err(priv->device, "could not connect to PHY\n");
priv->phy->phy_node[port] = NULL;
return PTR_ERR(phydev);
}
phydev->supported &= PHY_GBIT_FEATURES;
phydev->advertising = phydev->supported;
phydev->no_auto_carrier_off = 1;
dev_info(priv->device,
"connected port %d to PHY at %s [uid=%08x, driver=%s]\n",
port, dev_name(&phydev->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->dev), PHY_INTERFACE_MODE_MII);
phy->autoneg = AUTONEG_ENABLE;
phy->speed = 0;
phy->duplex = 0;
phy->supported &= 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 && priv->mii_bus->phy_map[i]) {
phy_init(priv, priv->mii_bus->phy_map[i]);
if (!priv->phy_dev) {
priv->phy_dev = priv->mii_bus->phy_map[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 && priv->mii_bus->phy_map[i]) {
phy_detach(priv->mii_bus->phy_map[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->device->of_node, "mdio-bus");
if (!mii_np) {
dev_err(priv->device, "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 == NULL) {
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->device;
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);
}

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/*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
*
* Copyright (C) 2009-2013 John Crispin <blogic@openwrt.org>
*/
#ifndef _RALINK_MDIO_H__
#define _RALINK_MDIO_H__
#ifdef CONFIG_NET_RALINK_MDIO
extern int fe_mdio_init(struct fe_priv *priv);
extern void fe_mdio_cleanup(struct fe_priv *priv);
extern int fe_connect_phy_node(struct fe_priv *priv, struct device_node *phy_node);
#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

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/*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
*
* Copyright (C) 2009-2013 John Crispin <blogic@openwrt.org>
*/
#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/phy.h>
#include <linux/of_device.h>
#include <linux/clk.h>
#include <linux/of_net.h>
#include <linux/of_mdio.h>
#include "ralink_soc_eth.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),
(DUPLEX_FULL == priv->phy->duplex[0]) ? "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 & (0x1 << 31)) == 0)
return 0;
if (retries-- == 0)
break;
udelay(1);
}
dev_err(priv->device, "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 |= (1 << 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 |= (1 << 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, "ralink,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->device, "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->device, "invalid link speed: %d\n", priv->phy->speed[0]);
priv->phy->phy_fixed[0] = 0;
return;
}
dev_info(priv->device, "using fixed link parameters\n");
rt2880_mdio_link_adjust(priv, 0);
return;
}
if (priv->phy->phy_node[0] && priv->mii_bus->phy_map[0]) {
fe_connect_phy_node(priv, priv->phy->phy_node[0]);
}
return;
}

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/*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
*
* Copyright (C) 2009-2013 John Crispin <blogic@openwrt.org>
*/
#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

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/*
* 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
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, "ralink,port-map", &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;
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);
/* set all ports as user port */
for (i = 0; i < MT7530_NUM_PORTS; i++)
mt7530_w32(priv, REG_ESW_PORT_PVC(i), 0x81000000);
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 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 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 {
swdev->alias = "mt7620";
swdev->name = "mt7620";
}
swdev->cpu_port = MT7530_CPU_PORT;
swdev->ports = MT7530_NUM_PORTS;
swdev->vlans = MT7530_NUM_VLANS;
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;
}

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/*
* 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

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/*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
*
* Copyright (C) 2009-2013 Michael Lee <igvtee@gmail.com>
*/
#include "ralink_soc_eth.h"
static const char fe_gdma_str[][ETH_GSTRING_LEN] = {
#define _FE(x...) # x,
FE_STAT_REG_DECLARE
#undef _FE
};
static int fe_get_settings(struct net_device *dev,
struct ethtool_cmd *cmd)
{
struct fe_priv *priv = netdev_priv(dev);
int err;
if (!priv->phy_dev)
goto out_gset;
if (priv->phy_flags == FE_PHY_FLAG_ATTACH) {
err = phy_read_status(priv->phy_dev);
if (err)
goto out_gset;
}
return phy_ethtool_gset(priv->phy_dev, cmd);
out_gset:
return -ENODEV;
}
static int fe_set_settings(struct net_device *dev,
struct ethtool_cmd *cmd)
{
struct fe_priv *priv = netdev_priv(dev);
if (!priv->phy_dev)
goto out_sset;
if (cmd->phy_address != priv->phy_dev->addr) {
if (priv->phy->phy_node[cmd->phy_address]) {
priv->phy_dev = priv->phy->phy[cmd->phy_address];
priv->phy_flags = FE_PHY_FLAG_PORT;
} else if (priv->mii_bus &&
priv->mii_bus->phy_map[cmd->phy_address]) {
priv->phy_dev = priv->mii_bus->phy_map[cmd->phy_address];
priv->phy_flags = FE_PHY_FLAG_ATTACH;
} else
goto out_sset;
}
return phy_ethtool_sset(priv->phy_dev, 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->device->driver->name, sizeof(info->driver));
strlcpy(info->version, FE_DRV_VERSION, sizeof(info->version));
strlcpy(info->bus_info, dev_name(priv->device), 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 void fe_get_ringparam(struct net_device *dev,
struct ethtool_ringparam *ring)
{
ring->rx_max_pending = MAX_DMA_DESC;
ring->tx_max_pending = MAX_DMA_DESC;
ring->rx_pending = NUM_DMA_DESC;
ring->tx_pending = NUM_DMA_DESC;
}
static int fe_get_coalesce(struct net_device *dev,
struct ethtool_coalesce *coal)
{
u32 delay_cfg = fe_reg_r32(FE_REG_DLY_INT_CFG);
coal->rx_coalesce_usecs = (delay_cfg & 0xff) * FE_DELAY_TIME;
coal->rx_max_coalesced_frames = ((delay_cfg >> 8) & 0x7f);
coal->use_adaptive_rx_coalesce = (delay_cfg >> 15) & 0x1;
coal->tx_coalesce_usecs = ((delay_cfg >> 16 )& 0xff) * FE_DELAY_TIME;
coal->tx_max_coalesced_frames = ((delay_cfg >> 24) & 0x7f);
coal->use_adaptive_tx_coalesce = (delay_cfg >> 31) & 0x1;
return 0;
}
static int fe_set_coalesce(struct net_device *dev,
struct ethtool_coalesce *coal)
{
u32 delay_cfg;
u32 rx_usecs, tx_usecs;
u32 rx_frames, tx_frames;
if (!coal->use_adaptive_rx_coalesce || !coal->use_adaptive_tx_coalesce)
return -EINVAL;
rx_usecs = DIV_ROUND_UP(coal->rx_coalesce_usecs, FE_DELAY_TIME);
rx_frames = coal->rx_max_coalesced_frames;
tx_usecs = DIV_ROUND_UP(coal->tx_coalesce_usecs, FE_DELAY_TIME);
tx_frames = coal->tx_max_coalesced_frames;
if (((tx_usecs == 0) && (tx_frames ==0)) ||
((rx_usecs == 0) && (rx_frames ==0)))
return -EINVAL;
if (rx_usecs > 0xff) rx_usecs = 0xff;
if (rx_frames > 0x7f) rx_frames = 0x7f;
if (tx_usecs > 0xff) tx_usecs = 0xff;
if (tx_frames > 0x7f) tx_frames = 0x7f;
delay_cfg = ((((FE_DELAY_EN_INT | tx_frames) << 8) | tx_usecs) << 16) |
(((FE_DELAY_EN_INT | rx_frames) << 8) | rx_usecs);
fe_reg_w32(delay_cfg, FE_REG_DLY_INT_CFG);
return 0;
}
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_bh(&hwstats->syncp);
for (i = 0; i < ARRAY_SIZE(fe_gdma_str); i++)
*data_dst++ = *data_src++;
} while (u64_stats_fetch_retry_bh(&hwstats->syncp, start));
}
static struct ethtool_ops fe_ethtool_ops = {
.get_settings = fe_get_settings,
.set_settings = fe_set_settings,
.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,
.get_ringparam = fe_get_ringparam,
.get_coalesce = fe_get_coalesce,
.set_coalesce = fe_set_coalesce,
};
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;
}
SET_ETHTOOL_OPS(netdev, &fe_ethtool_ops);
}

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/*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
*
* Copyright (C) 2009-2013 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 */

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/*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
*
* based on Ralink SDK3.3
* Copyright (C) 2009-2013 John Crispin <blogic@openwrt.org>
*/
#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>
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_RX_BASE_PTR0,
FE_REG_RX_MAX_CNT0,
FE_REG_RX_CALC_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_COUNT
};
#define FE_DRV_VERSION "0.1.0"
/* power of 2 to let NEXT_TX_DESP_IDX work */
#define NUM_DMA_DESC (1 << 7)
#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 RT5350_RX_DLY_INT BIT(30)
#define RT5350_TX_DLY_INT BIT(28)
/* 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)
#define RT5350_SDM_CFG (RT5350_SDM_OFFSET + 0x00) //Switch DMA configuration
#define RT5350_SDM_RRING (RT5350_SDM_OFFSET + 0x04) //Switch DMA Rx Ring
#define RT5350_SDM_TRING (RT5350_SDM_OFFSET + 0x08) //Switch DMA Tx Ring
#define RT5350_SDM_MAC_ADRL (RT5350_SDM_OFFSET + 0x0C) //Switch MAC address LSB
#define RT5350_SDM_MAC_ADRH (RT5350_SDM_OFFSET + 0x10) //Switch MAC Address MSB
#define RT5350_SDM_TPCNT (RT5350_SDM_OFFSET + 0x100) //Switch DMA Tx packet count
#define RT5350_SDM_TBCNT (RT5350_SDM_OFFSET + 0x104) //Switch DMA Tx byte count
#define RT5350_SDM_RPCNT (RT5350_SDM_OFFSET + 0x108) //Switch DMA rx packet count
#define RT5350_SDM_RBCNT (RT5350_SDM_OFFSET + 0x10C) //Switch DMA rx byte count
#define RT5350_SDM_CS_ERR (RT5350_SDM_OFFSET + 0x110) //Switch DMA rx checksum error count
#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_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
#define RX_DMA_PLEN0(_x) (((_x) >> 16) & 0x3fff)
#define RX_DMA_LSO BIT(30)
#define RX_DMA_DONE BIT(31)
#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_PLEN0_MASK ((0x3fff) << 16)
#define TX_DMA_PLEN0(_x) (((_x) & 0x3fff) << 16)
#define TX_DMA_PLEN1(_x) ((_x) & 0x3fff)
#define TX_DMA_GET_PLEN0(_x) (((_x) >> 16 ) & 0x3fff)
#define TX_DMA_GET_PLEN1(_x) ((_x) & 0x3fff)
#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 {
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];
spinlock_t lock;
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
{
unsigned char mac[6];
const u32 *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_priv *priv, int idx, struct sk_buff *skb);
void (*rx_dma)(struct fe_priv *priv, int idx, int len);
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_dly_int;
u32 tx_dly_int;
u32 checksum_bit;
u32 tx_udf_bit;
};
#define FE_FLAG_PADDING_64B BIT(0)
#define FE_FLAG_PADDING_BUG BIT(1)
#define FE_FLAG_JUMBO_FRAME BIT(2)
#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
{
spinlock_t stats_lock;
struct u64_stats_sync syncp;
#define _FE(x) u64 x;
FE_STAT_REG_DECLARE
#undef _FE
};
struct fe_priv
{
spinlock_t page_lock;
struct fe_soc_data *soc;
struct net_device *netdev;
u32 msg_enable;
u32 flags;
struct device *device;
unsigned long sysclk;
u16 frag_size;
u16 rx_buf_size;
struct fe_rx_dma *rx_dma;
u8 **rx_data;
dma_addr_t rx_phys;
struct napi_struct rx_napi;
struct fe_tx_dma *tx_dma;
struct sk_buff **tx_skb;
dma_addr_t tx_phys;
unsigned int tx_free_idx;
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;
};
extern const struct of_device_id of_fe_match[];
void fe_w32(u32 val, 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);
static inline void *priv_netdev(struct fe_priv *priv)
{
return (char *)priv - ALIGN(sizeof(struct net_device), NETDEV_ALIGN);
}
#endif /* FE_ETH_H */

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/*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
*
* Copyright (C) 2009-2013 John Crispin <blogic@openwrt.org>
*/
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/if_vlan.h>
#include <asm/mach-ralink/ralink_regs.h>
#include <mt7620.h>
#include "ralink_soc_eth.h"
#include "gsw_mt7620a.h"
#define MT7620A_CDMA_CSG_CFG 0x400
#define MT7620_DMA_VID (MT7620A_CDMA_CSG_CFG | 0x30)
#define MT7621_DMA_VID 0xa8
#define MT7620A_DMA_2B_OFFSET BIT(31)
#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 SYSC_REG_RESET_CTRL 0x34
#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)
static const u32 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_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_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,
};
static const u32 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_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_FE_INT_ENABLE] = RT5350_FE_INT_ENABLE,
[FE_REG_FE_INT_STATUS] = RT5350_FE_INT_STATUS,
[FE_REG_FE_DMA_VID_BASE] = MT7621_DMA_VID,
[FE_REG_FE_COUNTER_BASE] = MT7621_GDM1_TX_GBCNT,
[FE_REG_FE_RST_GL] = MT7621_FE_RST_GL,
};
static void mt7620_fe_reset(void)
{
u32 val = rt_sysc_r32(SYSC_REG_RESET_CTRL);
rt_sysc_w32(val | MT7620A_RESET_FE | MT7620A_RESET_ESW, SYSC_REG_RESET_CTRL);
rt_sysc_w32(val, SYSC_REG_RESET_CTRL);
}
static void mt7621_fe_reset(void)
{
u32 val = rt_sysc_r32(SYSC_REG_RESET_CTRL);
rt_sysc_w32(val | MT7621_RESET_FE, SYSC_REG_RESET_CTRL);
rt_sysc_w32(val, SYSC_REG_RESET_CTRL);
}
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 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);
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_priv *priv, int idx, struct sk_buff *skb)
{
priv->tx_dma[idx].txd4 = 0;
}
static void mt7621_tx_dma(struct fe_priv *priv, int idx, struct sk_buff *skb)
{
priv->tx_dma[idx].txd4 = BIT(25);
}
static void mt7620_rx_dma(struct fe_priv *priv, int idx, int len)
{
priv->rx_dma[idx].rxd2 = RX_DMA_PLEN0(len);
}
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;
netdev->hw_features = NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
NETIF_F_HW_VLAN_CTAG_TX;
if (mt7620_get_eco() >= 5 || IS_ENABLED(CONFIG_SOC_MT7621))
netdev->hw_features |= NETIF_F_SG | NETIF_F_TSO | NETIF_F_TSO6 |
NETIF_F_IPV6_CSUM;
}
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 mt7620_data = {
.mac = { 0x00, 0x11, 0x22, 0x33, 0x44, 0x55 },
.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,
.rx_dma = mt7620_rx_dma,
.switch_init = mt7620_gsw_probe,
.switch_config = mt7620_gsw_config,
.port_init = mt7620_port_init,
.reg_table = mt7620_reg_table,
.pdma_glo_cfg = FE_PDMA_SIZE_16DWORDS | MT7620A_DMA_2B_OFFSET,
.rx_dly_int = RT5350_RX_DLY_INT,
.tx_dly_int = RT5350_TX_DLY_INT,
.checksum_bit = MT7620_L4_VALID,
.tx_udf_bit = MT7620_TX_DMA_UDF,
.has_carrier = mt7620a_has_carrier,
.mdio_read = mt7620_mdio_read,
.mdio_write = mt7620_mdio_write,
.mdio_adjust_link = mt7620_mdio_link_adjust,
};
static struct fe_soc_data mt7621_data = {
.mac = { 0x00, 0x11, 0x22, 0x33, 0x44, 0x55 },
.init_data = mt7620_init_data,
.reset_fe = mt7621_fe_reset,
.set_mac = mt7621_set_mac,
.fwd_config = mt7621_fwd_config,
.tx_dma = mt7621_tx_dma,
.rx_dma = mt7620_rx_dma,
.switch_init = mt7620_gsw_probe,
.switch_config = mt7621_gsw_config,
.reg_table = mt7621_reg_table,
.pdma_glo_cfg = FE_PDMA_SIZE_16DWORDS | MT7620A_DMA_2B_OFFSET,
.rx_dly_int = RT5350_RX_DLY_INT,
.tx_dly_int = RT5350_TX_DLY_INT,
.checksum_bit = MT7621_L4_VALID,
.tx_udf_bit = MT7621_TX_DMA_UDF,
.has_carrier = mt7620a_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 = "ralink,mt7620a-eth", .data = &mt7620_data },
{ .compatible = "ralink,mt7621-eth", .data = &mt7621_data },
{},
};
MODULE_DEVICE_TABLE(of, of_fe_match);

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/*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
*
* Copyright (C) 2009-2013 John Crispin <blogic@openwrt.org>
*/
#include <linux/module.h>
#include <asm/mach-ralink/ralink_regs.h>
#include "ralink_soc_eth.h"
#include "mdio_rt2880.h"
#define SYSC_REG_RESET_CTRL 0x034
#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;
netdev->hw_features = NETIF_F_SG | NETIF_F_HW_VLAN_CTAG_TX;
/* maybe have hardware bug. */
//netdev->hw_features |= NETIF_F_IP_CSUM | NETIF_F_RXCSUM;
}
void rt2880_fe_reset(void)
{
rt_sysc_w32(RT2880_RESET_FE, SYSC_REG_RESET_CTRL);
}
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 = {
.mac = { 0x00, 0x11, 0x22, 0x33, 0x44, 0x55 },
.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,
.tx_udf_bit = TX_DMA_UDF,
.rx_dly_int = FE_RX_DLY_INT,
.tx_dly_int = FE_TX_DLY_INT,
.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);

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/*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
*
* Copyright (C) 2009-2013 John Crispin <blogic@openwrt.org>
*/
#include <linux/module.h>
#include <asm/mach-ralink/ralink_regs.h>
#include "ralink_soc_eth.h"
#include "mdio_rt2880.h"
#define RT305X_RESET_FE BIT(21)
#define RT305X_RESET_ESW BIT(23)
#define SYSC_REG_RESET_CTRL 0x034
static const u32 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_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_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;
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)
{
rt_sysc_w32(RT305X_RESET_FE, SYSC_REG_RESET_CTRL);
rt_sysc_w32(0, SYSC_REG_RESET_CTRL);
}
static void rt5350_init_data(struct fe_soc_data *data,
struct net_device *netdev)
{
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_priv *priv, int idx, struct sk_buff *skb)
{
priv->tx_dma[idx].txd4 = 0;
}
static void rt5350_fe_reset(void)
{
rt_sysc_w32(RT305X_RESET_FE | RT305X_RESET_ESW, SYSC_REG_RESET_CTRL);
rt_sysc_w32(0, SYSC_REG_RESET_CTRL);
}
static struct fe_soc_data rt3050_data = {
.mac = { 0x00, 0x11, 0x22, 0x33, 0x44, 0x55 },
.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,
.tx_udf_bit = TX_DMA_UDF,
.rx_dly_int = FE_RX_DLY_INT,
.tx_dly_int = FE_TX_DLY_INT,
};
static struct fe_soc_data rt5350_data = {
.mac = { 0x00, 0x11, 0x22, 0x33, 0x44, 0x55 },
.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,
.tx_udf_bit = TX_DMA_UDF,
.rx_dly_int = RT5350_RX_DLY_INT,
.tx_dly_int = RT5350_TX_DLY_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);

View File

@ -0,0 +1,88 @@
/*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
*
* Copyright (C) 2009-2013 John Crispin <blogic@openwrt.org>
*/
#include <linux/module.h>
#include <asm/mach-ralink/ralink_regs.h>
#include "ralink_soc_eth.h"
#include "mdio_rt2880.h"
#define RT3883_SYSC_REG_RSTCTRL 0x34
#define RT3883_RSTCTRL_FE BIT(21)
static void rt3883_fe_reset(void)
{
u32 t;
t = rt_sysc_r32(RT3883_SYSC_REG_RSTCTRL);
t |= RT3883_RSTCTRL_FE;
rt_sysc_w32(t , RT3883_SYSC_REG_RSTCTRL);
t &= ~RT3883_RSTCTRL_FE;
rt_sysc_w32(t, RT3883_SYSC_REG_RSTCTRL);
}
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;
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 = {
.mac = { 0x00, 0x11, 0x22, 0x33, 0x44, 0x55 },
.init_data = rt3883_init_data,
.reset_fe = rt3883_fe_reset,
.fwd_config = rt3883_fwd_config,
.pdma_glo_cfg = FE_PDMA_SIZE_8DWORDS,
.rx_dly_int = FE_RX_DLY_INT,
.tx_dly_int = FE_TX_DLY_INT,
.checksum_bit = RX_DMA_L4VALID,
.tx_udf_bit = TX_DMA_UDF,
.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);

View File

@ -112,6 +112,8 @@ CONFIG_NEED_PER_CPU_KM=y
CONFIG_NET_RALINK=y
CONFIG_NET_RALINK_GSW_MT7620=y
CONFIG_NET_RALINK_MDIO=y
CONFIG_NET_RALINK_MT7620=y
# CONFIG_NET_RALINK_RT305X is not set
CONFIG_NLS=m
CONFIG_NO_GENERIC_PCI_IOPORT_MAP=y
CONFIG_OF=y
@ -140,6 +142,7 @@ CONFIG_PINMUX=y
CONFIG_RALINK=y
CONFIG_RALINK_USBPHY=y
CONFIG_RALINK_WDT=y
CONFIG_RA_NAT_NONE=y
# CONFIG_RCU_STALL_COMMON is not set
CONFIG_RESET_CONTROLLER=y
# CONFIG_SAMSUNG_USB2PHY is not set

View File

@ -1,6 +1,7 @@
CONFIG_ARCH_BINFMT_ELF_RANDOMIZE_PIE=y
CONFIG_ARCH_DISCARD_MEMBLOCK=y
CONFIG_ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE=y
CONFIG_ARCH_HAS_RESET_CONTROLLER=y
CONFIG_ARCH_HAVE_CUSTOM_GPIO_H=y
CONFIG_ARCH_HIBERNATION_POSSIBLE=y
CONFIG_ARCH_REQUIRE_GPIOLIB=y
@ -83,6 +84,7 @@ CONFIG_IRQCHIP=y
CONFIG_IRQ_CPU=y
CONFIG_IRQ_DOMAIN=y
CONFIG_IRQ_FORCED_THREADING=y
CONFIG_IRQ_INTC=y
CONFIG_IRQ_WORK=y
CONFIG_M25PXX_USE_FAST_READ=y
CONFIG_MDIO_BOARDINFO=y
@ -107,6 +109,8 @@ CONFIG_NEED_PER_CPU_KM=y
CONFIG_NET_RALINK=y
CONFIG_NET_RALINK_GSW_MT7620=y
CONFIG_NET_RALINK_MDIO=y
CONFIG_NET_RALINK_MT7620=y
# CONFIG_NET_RALINK_RT305X is not set
CONFIG_NLS=m
CONFIG_OF=y
CONFIG_OF_ADDRESS=y
@ -129,9 +133,9 @@ CONFIG_PINCTRL_RT2880=y
CONFIG_PINMUX=y
# CONFIG_PREEMPT_RCU is not set
CONFIG_RALINK=y
CONFIG_RALINK_GDMA=y
CONFIG_RALINK_USBPHY=y
CONFIG_RALINK_WDT=y
CONFIG_RA_NAT_NONE=y
# CONFIG_RCU_STALL_COMMON is not set
CONFIG_RESET_CONTROLLER=y
# CONFIG_SAMSUNG_USB2PHY is not set

View File

@ -1,22 +0,0 @@
Index: linux-3.10.34/drivers/net/ethernet/ralink/mdio_rt2880.c
===================================================================
--- linux-3.10.34.orig/drivers/net/ethernet/ralink/mdio_rt2880.c
+++ linux-3.10.34/drivers/net/ethernet/ralink/mdio_rt2880.c
@@ -136,7 +136,7 @@ int rt2880_mdio_read(struct mii_bus *bus
if (err)
return 0xffff;
- pr_info("%s: addr=%04x, reg=%04x, value=%04x\n", __func__,
+ 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;
@@ -148,7 +148,7 @@ int rt2880_mdio_write(struct mii_bus *bu
int err;
u32 t;
- pr_info("%s: addr=%04x, reg=%04x, value=%04x\n", __func__,
+ 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);

View File

@ -0,0 +1,152 @@
Index: linux-3.10.49/arch/mips/include/asm/mach-ralink/ralink_regs.h
===================================================================
--- linux-3.10.49.orig/arch/mips/include/asm/mach-ralink/ralink_regs.h 2014-11-19 00:10:56.662374797 +0100
+++ linux-3.10.49/arch/mips/include/asm/mach-ralink/ralink_regs.h 2014-11-19 00:11:31.511729604 +0100
@@ -13,6 +13,20 @@
#ifndef _RALINK_REGS_H_
#define _RALINK_REGS_H_
+enum ralink_soc_type {
+ RALINK_UNKNOWN = 0,
+ RT305X_SOC_RT3050,
+ RT305X_SOC_RT3052,
+ RT305X_SOC_RT3350,
+ RT305X_SOC_RT3352,
+ RT305X_SOC_RT5350,
+ MT762X_SOC_MT7620A,
+ MT762X_SOC_MT7620N,
+ MT762X_SOC_MT7621AT,
+ MT762X_SOC_MT7628AN,
+};
+extern enum ralink_soc_type ralink_soc;
+
extern __iomem void *rt_sysc_membase;
extern __iomem void *rt_memc_membase;
Index: linux-3.10.49/arch/mips/include/asm/mach-ralink/rt305x.h
===================================================================
--- linux-3.10.49.orig/arch/mips/include/asm/mach-ralink/rt305x.h 2014-11-19 00:10:56.662374797 +0100
+++ linux-3.10.49/arch/mips/include/asm/mach-ralink/rt305x.h 2014-11-19 00:11:31.511729604 +0100
@@ -13,25 +13,16 @@
#ifndef _RT305X_REGS_H_
#define _RT305X_REGS_H_
-enum rt305x_soc_type {
- RT305X_SOC_UNKNOWN = 0,
- RT305X_SOC_RT3050,
- RT305X_SOC_RT3052,
- RT305X_SOC_RT3350,
- RT305X_SOC_RT3352,
- RT305X_SOC_RT5350,
-};
-
-extern enum rt305x_soc_type rt305x_soc;
+extern enum ralink_soc_type ralink_soc;
static inline int soc_is_rt3050(void)
{
- return rt305x_soc == RT305X_SOC_RT3050;
+ return ralink_soc == RT305X_SOC_RT3050;
}
static inline int soc_is_rt3052(void)
{
- return rt305x_soc == RT305X_SOC_RT3052;
+ return ralink_soc == RT305X_SOC_RT3052;
}
static inline int soc_is_rt305x(void)
@@ -41,17 +32,17 @@
static inline int soc_is_rt3350(void)
{
- return rt305x_soc == RT305X_SOC_RT3350;
+ return ralink_soc == RT305X_SOC_RT3350;
}
static inline int soc_is_rt3352(void)
{
- return rt305x_soc == RT305X_SOC_RT3352;
+ return ralink_soc == RT305X_SOC_RT3352;
}
static inline int soc_is_rt5350(void)
{
- return rt305x_soc == RT305X_SOC_RT5350;
+ return ralink_soc == RT305X_SOC_RT5350;
}
#define RT305X_SYSC_BASE 0x10000000
Index: linux-3.10.49/arch/mips/ralink/rt305x.c
===================================================================
--- linux-3.10.49.orig/arch/mips/ralink/rt305x.c 2014-11-19 00:10:07.980482146 +0100
+++ linux-3.10.49/arch/mips/ralink/rt305x.c 2014-11-19 00:11:31.511729604 +0100
@@ -21,8 +21,6 @@
#include "common.h"
-enum rt305x_soc_type rt305x_soc;
-
static struct rt2880_pmx_func i2c_func[] = { FUNC("i2c", 0, 1, 2) };
static struct rt2880_pmx_func spi_func[] = { FUNC("spi", 0, 3, 4) };
static struct rt2880_pmx_func uartf_func[] = {
@@ -234,24 +232,24 @@
icache_sets = (read_c0_config1() >> 22) & 7;
if (icache_sets == 1) {
- rt305x_soc = RT305X_SOC_RT3050;
+ ralink_soc = RT305X_SOC_RT3050;
name = "RT3050";
soc_info->compatible = "ralink,rt3050-soc";
} else {
- rt305x_soc = RT305X_SOC_RT3052;
+ ralink_soc = RT305X_SOC_RT3052;
name = "RT3052";
soc_info->compatible = "ralink,rt3052-soc";
}
} else if (n0 == RT3350_CHIP_NAME0 && n1 == RT3350_CHIP_NAME1) {
- rt305x_soc = RT305X_SOC_RT3350;
+ ralink_soc = RT305X_SOC_RT3350;
name = "RT3350";
soc_info->compatible = "ralink,rt3350-soc";
} else if (n0 == RT3352_CHIP_NAME0 && n1 == RT3352_CHIP_NAME1) {
- rt305x_soc = RT305X_SOC_RT3352;
+ ralink_soc = RT305X_SOC_RT3352;
name = "RT3352";
soc_info->compatible = "ralink,rt3352-soc";
} else if (n0 == RT5350_CHIP_NAME0 && n1 == RT5350_CHIP_NAME1) {
- rt305x_soc = RT305X_SOC_RT5350;
+ ralink_soc = RT305X_SOC_RT5350;
name = "RT5350";
soc_info->compatible = "ralink,rt5350-soc";
} else {
Index: linux-3.10.49/arch/mips/ralink/prom.c
===================================================================
--- linux-3.10.49.orig/arch/mips/ralink/prom.c 2014-11-19 00:10:56.662374797 +0100
+++ linux-3.10.49/arch/mips/ralink/prom.c 2014-11-19 00:11:31.511729604 +0100
@@ -15,9 +15,13 @@
#include <asm/bootinfo.h>
#include <asm/addrspace.h>
+#include <asm/mach-ralink/ralink_regs.h>
+
#include "common.h"
struct ralink_soc_info soc_info;
+enum ralink_soc_type ralink_soc;
+EXPORT_SYMBOL_GPL(ralink_soc);
const char *get_system_type(void)
{
Index: linux-3.10.49/arch/mips/ralink/mt7621.c
===================================================================
--- linux-3.10.49.orig/arch/mips/ralink/mt7621.c 2014-11-19 00:10:56.662374797 +0100
+++ linux-3.10.49/arch/mips/ralink/mt7621.c 2014-11-19 00:11:31.511729604 +0100
@@ -175,6 +175,7 @@
soc_info->mem_size_min = MT7621_DDR2_SIZE_MIN;
soc_info->mem_size_max = MT7621_DDR2_SIZE_MAX;
soc_info->mem_base = MT7621_DRAM_BASE;
+ ralink_soc = MT762X_SOC_MT7621AT;
rt2880_pinmux_data = mt7621_pinmux_data;