--- /dev/null
+From 4c23129f65d9bac10d9cf88c45fced58597400e6 Mon Sep 17 00:00:00 2001
+From: John Crispin <blogic@openwrt.org>
+Date: Mon, 11 Apr 2016 03:11:54 +0200
+Subject: [PATCH 89/91] net: mediatek add gsw/mt7530 driver
+
+Signed-off-by: John Crispin <blogic@openwrt.org>
+---
+ drivers/net/ethernet/mediatek/Makefile | 2 +-
+ drivers/net/ethernet/mediatek/gsw_mt7620.h | 251 +++++++
+ drivers/net/ethernet/mediatek/gsw_mt7623.c | 1081 +++++++++++++++++++++++++++
+ drivers/net/ethernet/mediatek/mt7530.c | 808 ++++++++++++++++++++
+ drivers/net/ethernet/mediatek/mt7530.h | 20 +
+ drivers/net/ethernet/mediatek/mtk_eth_soc.c | 59 +-
+ drivers/net/ethernet/mediatek/mtk_eth_soc.h | 4 +
+ 7 files changed, 2195 insertions(+), 30 deletions(-)
+ create mode 100644 drivers/net/ethernet/mediatek/gsw_mt7620.h
+ create mode 100644 drivers/net/ethernet/mediatek/gsw_mt7623.c
+ create mode 100644 drivers/net/ethernet/mediatek/mt7530.c
+ create mode 100644 drivers/net/ethernet/mediatek/mt7530.h
+
+diff --git a/drivers/net/ethernet/mediatek/Makefile b/drivers/net/ethernet/mediatek/Makefile
+index aa3f1c8..82001c4 100644
+--- a/drivers/net/ethernet/mediatek/Makefile
++++ b/drivers/net/ethernet/mediatek/Makefile
+@@ -2,4 +2,4 @@
+ # Makefile for the Mediatek SoCs built-in ethernet macs
+ #
+
+-obj-$(CONFIG_NET_MEDIATEK_SOC) += mtk_eth_soc.o
++obj-$(CONFIG_NET_MEDIATEK_SOC) += mt7530.o gsw_mt7623.o mtk_eth_soc.o
+diff --git a/drivers/net/ethernet/mediatek/gsw_mt7620.h b/drivers/net/ethernet/mediatek/gsw_mt7620.h
+new file mode 100644
+index 0000000..6fca8f2
+--- /dev/null
++++ b/drivers/net/ethernet/mediatek/gsw_mt7620.h
+@@ -0,0 +1,251 @@
++/* This program is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License as published by
++ * the Free Software Foundation; version 2 of the License
++ *
++ * This program is distributed in the hope that it will be useful,
++ * but WITHOUT ANY WARRANTY; without even the implied warranty of
++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
++ * GNU General Public License for more details.
++ *
++ * Copyright (C) 2009-2016 John Crispin <blogic@openwrt.org>
++ * Copyright (C) 2009-2016 Felix Fietkau <nbd@openwrt.org>
++ * Copyright (C) 2013-2016 Michael Lee <igvtee@gmail.com>
++ */
++
++#ifndef _RALINK_GSW_MT7620_H__
++#define _RALINK_GSW_MT7620_H__
++
++#define GSW_REG_PHY_TIMEOUT (5 * HZ)
++
++#define MT7620_GSW_REG_PIAC 0x0004
++
++#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_CFG 0x10
++#define SYSC_REG_CFG1 0x14
++#define RST_CTRL_MCM BIT(2)
++#define SYSC_PAD_RGMII2_MDIO 0x58
++#define SYSC_GPIO_MODE 0x60
++
++#define PORT_IRQ_ST_CHG 0x7f
++
++#define MT7621_ESW_PHY_POLLING 0x0000
++#define MT7620_ESW_PHY_POLLING 0x7000
++
++#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)
++
++/* ethernet subsystem config register */
++#define ETHSYS_SYSCFG0 0x14
++/* ethernet subsystem clock register */
++#define ETHSYS_CLKCFG0 0x2c
++#define ETHSYS_TRGMII_CLK_SEL362_5 BIT(11)
++
++/* p5 RGMII wrapper TX clock control register */
++#define MT7530_P5RGMIITXCR 0x7b04
++/* p5 RGMII wrapper RX clock control register */
++#define MT7530_P5RGMIIRXCR 0x7b00
++/* TRGMII TDX ODT registers */
++#define MT7530_TRGMII_TD0_ODT 0x7a54
++#define MT7530_TRGMII_TD1_ODT 0x7a5c
++#define MT7530_TRGMII_TD2_ODT 0x7a64
++#define MT7530_TRGMII_TD3_ODT 0x7a6c
++#define MT7530_TRGMII_TD4_ODT 0x7a74
++#define MT7530_TRGMII_TD5_ODT 0x7a7c
++/* TRGMII TCK ctrl register */
++#define MT7530_TRGMII_TCK_CTRL 0x7a78
++/* TRGMII Tx ctrl register */
++#define MT7530_TRGMII_TXCTRL 0x7a40
++/* port 6 extended control register */
++#define MT7530_P6ECR 0x7830
++/* IO driver control register */
++#define MT7530_IO_DRV_CR 0x7810
++/* top signal control register */
++#define MT7530_TOP_SIG_CTRL 0x7808
++/* modified hwtrap register */
++#define MT7530_MHWTRAP 0x7804
++/* hwtrap status register */
++#define MT7530_HWTRAP 0x7800
++/* status interrupt register */
++#define MT7530_SYS_INT_STS 0x700c
++/* system nterrupt register */
++#define MT7530_SYS_INT_EN 0x7008
++/* system control register */
++#define MT7530_SYS_CTRL 0x7000
++/* port MAC status register */
++#define MT7530_PMSR_P(x) (0x3008 + (x * 0x100))
++/* port MAC control register */
++#define MT7530_PMCR_P(x) (0x3000 + (x * 0x100))
++
++#define MT7621_XTAL_SHIFT 6
++#define MT7621_XTAL_MASK 0x7
++#define MT7621_XTAL_25 6
++#define MT7621_XTAL_40 3
++#define MT7621_MDIO_DRV_MASK (3 << 4)
++#define MT7621_GE1_MODE_MASK (3 << 12)
++
++#define TRGMII_TXCTRL_TXC_INV BIT(30)
++#define P6ECR_INTF_MODE_RGMII BIT(1)
++#define P5RGMIIRXCR_C_ALIGN BIT(8)
++#define P5RGMIIRXCR_DELAY_2 BIT(1)
++#define P5RGMIITXCR_DELAY_2 (BIT(8) | BIT(2))
++
++/* TOP_SIG_CTRL bits */
++#define TOP_SIG_CTRL_NORMAL (BIT(17) | BIT(16))
++
++/* MHWTRAP bits */
++#define MHWTRAP_MANUAL BIT(16)
++#define MHWTRAP_P5_MAC_SEL BIT(13)
++#define MHWTRAP_P6_DIS BIT(8)
++#define MHWTRAP_P5_RGMII_MODE BIT(7)
++#define MHWTRAP_P5_DIS BIT(6)
++#define MHWTRAP_PHY_ACCESS BIT(5)
++
++/* HWTRAP bits */
++#define HWTRAP_XTAL_SHIFT 9
++#define HWTRAP_XTAL_MASK 0x3
++
++/* SYS_CTRL bits */
++#define SYS_CTRL_SW_RST BIT(1)
++#define SYS_CTRL_REG_RST BIT(0)
++
++/* PMCR bits */
++#define PMCR_IFG_XMIT_96 BIT(18)
++#define PMCR_MAC_MODE BIT(16)
++#define PMCR_FORCE_MODE BIT(15)
++#define PMCR_TX_EN BIT(14)
++#define PMCR_RX_EN BIT(13)
++#define PMCR_BACK_PRES_EN BIT(9)
++#define PMCR_BACKOFF_EN BIT(8)
++#define PMCR_TX_FC_EN BIT(5)
++#define PMCR_RX_FC_EN BIT(4)
++#define PMCR_FORCE_SPEED_1000 BIT(3)
++#define PMCR_FORCE_FDX BIT(1)
++#define PMCR_FORCE_LNK BIT(0)
++#define PMCR_FIXED_LINK (PMCR_IFG_XMIT_96 | PMCR_MAC_MODE | \
++ PMCR_FORCE_MODE | PMCR_TX_EN | PMCR_RX_EN | \
++ PMCR_BACK_PRES_EN | PMCR_BACKOFF_EN | \
++ PMCR_FORCE_SPEED_1000 | PMCR_FORCE_FDX | \
++ PMCR_FORCE_LNK)
++
++#define PMCR_FIXED_LINK_FC (PMCR_FIXED_LINK | \
++ PMCR_TX_FC_EN | PMCR_RX_FC_EN)
++
++/* TRGMII control registers */
++#define GSW_INTF_MODE 0x390
++#define GSW_TRGMII_TD0_ODT 0x354
++#define GSW_TRGMII_TD1_ODT 0x35c
++#define GSW_TRGMII_TD2_ODT 0x364
++#define GSW_TRGMII_TD3_ODT 0x36c
++#define GSW_TRGMII_TXCTL_ODT 0x374
++#define GSW_TRGMII_TCK_ODT 0x37c
++#define GSW_TRGMII_RCK_CTRL 0x300
++
++#define INTF_MODE_TRGMII BIT(1)
++#define TRGMII_RCK_CTRL_RX_RST BIT(31)
++
++
++/* possible XTAL speed */
++#define MT7623_XTAL_40 0
++#define MT7623_XTAL_20 1
++#define MT7623_XTAL_25 3
++
++/* GPIO port control registers */
++#define GPIO_OD33_CTRL8 0x4c0
++#define GPIO_BIAS_CTRL 0xed0
++#define GPIO_DRV_SEL10 0xf00
++
++/* on MT7620 the functio of port 4 can be software configured */
++enum {
++ PORT4_EPHY = 0,
++ PORT4_EXT,
++};
++
++/* struct mt7620_gsw - the structure that holds the SoC specific data
++ * @dev: The Device struct
++ * @base: The base address
++ * @piac_offset: The PIAC base may change depending on SoC
++ * @irq: The IRQ we are using
++ * @port4: The port4 mode on MT7620
++ * @autopoll: Is MDIO autopolling enabled
++ * @ethsys: The ethsys register map
++ * @pctl: The pin control register map
++ * @clk_trgpll: The trgmii pll clock
++ */
++struct mt7620_gsw {
++ struct mtk_eth *eth;
++ struct device *dev;
++ void __iomem *base;
++ u32 piac_offset;
++ int irq;
++ int port4;
++ unsigned long int autopoll;
++
++ struct regmap *ethsys;
++ struct regmap *pctl;
++
++ struct clk *clk_trgpll;
++
++ int trgmii_force;
++ bool wllll;
++};
++
++/* switch register I/O wrappers */
++void mtk_switch_w32(struct mt7620_gsw *gsw, u32 val, unsigned reg);
++u32 mtk_switch_r32(struct mt7620_gsw *gsw, unsigned reg);
++
++/* the callback used by the driver core to bringup the switch */
++int mtk_gsw_init(struct mtk_eth *eth);
++
++/* MDIO access wrappers */
++int mt7620_mdio_write(struct mii_bus *bus, int phy_addr, int phy_reg, u16 val);
++int mt7620_mdio_read(struct mii_bus *bus, int phy_addr, int phy_reg);
++void mt7620_mdio_link_adjust(struct mtk_eth *eth, int port);
++int mt7620_has_carrier(struct mtk_eth *eth);
++void mt7620_print_link_state(struct mtk_eth *eth, int port, int link,
++ int speed, int duplex);
++void mt7530_mdio_w32(struct mt7620_gsw *gsw, u32 reg, u32 val);
++u32 mt7530_mdio_r32(struct mt7620_gsw *gsw, u32 reg);
++void mt7530_mdio_m32(struct mt7620_gsw *gsw, u32 mask, u32 set, u32 reg);
++
++u32 _mtk_mdio_write(struct mtk_eth *eth, u32 phy_addr,
++ u32 phy_register, u32 write_data);
++u32 _mtk_mdio_read(struct mtk_eth *eth, int phy_addr, int phy_reg);
++void mt7620_handle_carrier(struct mtk_eth *eth);
++
++#endif
+diff --git a/drivers/net/ethernet/mediatek/gsw_mt7623.c b/drivers/net/ethernet/mediatek/gsw_mt7623.c
+new file mode 100644
+index 0000000..28df15a
+--- /dev/null
++++ b/drivers/net/ethernet/mediatek/gsw_mt7623.c
+@@ -0,0 +1,1081 @@
++/* This program is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License as published by
++ * the Free Software Foundation; version 2 of the License
++ *
++ * This program is distributed in the hope that it will be useful,
++ * but WITHOUT ANY WARRANTY; without even the implied warranty of
++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
++ * GNU General Public License for more details.
++ *
++ * Copyright (C) 2009-2016 John Crispin <blogic@openwrt.org>
++ * Copyright (C) 2009-2016 Felix Fietkau <nbd@openwrt.org>
++ * Copyright (C) 2013-2016 Michael Lee <igvtee@gmail.com>
++ */
++
++#include <linux/module.h>
++#include <linux/kernel.h>
++#include <linux/types.h>
++#include <linux/platform_device.h>
++#include <linux/of_device.h>
++#include <linux/of_irq.h>
++#include <linux/of_gpio.h>
++#include <linux/of_mdio.h>
++#include <linux/clk.h>
++#include <linux/mfd/syscon.h>
++#include <linux/regulator/consumer.h>
++#include <linux/pm_runtime.h>
++#include <linux/regmap.h>
++#include <linux/reset.h>
++#include <linux/mii.h>
++#include <linux/interrupt.h>
++#include <linux/netdevice.h>
++#include <linux/dma-mapping.h>
++#include <linux/phy.h>
++#include <linux/ethtool.h>
++#include <linux/version.h>
++#include <linux/atomic.h>
++
++#include "mtk_eth_soc.h"
++#include "gsw_mt7620.h"
++#include "mt7530.h"
++
++#define ETHSYS_CLKCFG0 0x2c
++#define ETHSYS_TRGMII_CLK_SEL362_5 BIT(11)
++
++void mt7530_mdio_w32(struct mt7620_gsw *gsw, u32 reg, u32 val)
++{
++ _mtk_mdio_write(gsw->eth, 0x1f, 0x1f, (reg >> 6) & 0x3ff);
++ _mtk_mdio_write(gsw->eth, 0x1f, (reg >> 2) & 0xf, val & 0xffff);
++ _mtk_mdio_write(gsw->eth, 0x1f, 0x10, val >> 16);
++}
++
++u32 mt7530_mdio_r32(struct mt7620_gsw *gsw, u32 reg)
++{
++ u16 high, low;
++
++ _mtk_mdio_write(gsw->eth, 0x1f, 0x1f, (reg >> 6) & 0x3ff);
++ low = _mtk_mdio_read(gsw->eth, 0x1f, (reg >> 2) & 0xf);
++ high = _mtk_mdio_read(gsw->eth, 0x1f, 0x10);
++
++ return (high << 16) | (low & 0xffff);
++}
++
++void mt7530_mdio_m32(struct mt7620_gsw *gsw, u32 mask, u32 set, u32 reg)
++{
++ u32 val = mt7530_mdio_r32(gsw, reg);
++
++ val &= mask;
++ val |= set;
++ mt7530_mdio_w32(gsw, reg, val);
++}
++
++void mtk_switch_w32(struct mt7620_gsw *gsw, u32 val, unsigned reg)
++{
++ mtk_w32(gsw->eth, val, reg + 0x10000);
++}
++
++u32 mtk_switch_r32(struct mt7620_gsw *gsw, unsigned reg)
++{
++ return mtk_r32(gsw->eth, reg + 0x10000);
++}
++
++void mtk_switch_m32(struct mt7620_gsw *gsw, u32 mask, u32 set, unsigned reg)
++{
++ u32 val = mtk_switch_r32(gsw, reg);
++
++ val &= mask;
++ val |= set;
++
++ mtk_switch_w32(gsw, val, reg);
++}
++
++int mt7623_gsw_config(struct mtk_eth *eth)
++{
++ if (eth->mii_bus && eth->mii_bus->phy_map[0x1f])
++ mt7530_probe(eth->dev, NULL, eth->mii_bus, 1);
++
++ return 0;
++}
++
++static irqreturn_t gsw_interrupt_mt7623(int irq, void *_eth)
++{
++ struct mtk_eth *eth = (struct mtk_eth *)_eth;
++ struct mt7620_gsw *gsw = (struct mt7620_gsw *)eth->sw_priv;
++ u32 reg, i;
++
++ reg = mt7530_mdio_r32(gsw, 0x700c);
++
++ for (i = 0; i < 5; i++)
++ if (reg & BIT(i)) {
++ unsigned int link;
++
++ link = mt7530_mdio_r32(gsw,
++ 0x3008 + (i * 0x100)) & 0x1;
++
++ if (link)
++ dev_info(gsw->dev,
++ "port %d link up\n", i);
++ else
++ dev_info(gsw->dev,
++ "port %d link down\n", i);
++ }
++
++// mt7620_handle_carrier(eth);
++ mt7530_mdio_w32(gsw, 0x700c, 0x1f);
++
++ return IRQ_HANDLED;
++}
++
++static void wait_loop(struct mt7620_gsw *gsw)
++{
++ int i;
++ int read_data;
++
++ for (i = 0; i < 320; i = i + 1)
++ read_data = mtk_switch_r32(gsw, 0x610);
++}
++
++static void trgmii_calibration_7623(struct mt7620_gsw *gsw)
++{
++
++ unsigned int tap_a[5] = { 0, 0, 0, 0, 0 }; /* minumum delay for all correct */
++ unsigned int tap_b[5] = { 0, 0, 0, 0, 0 }; /* maximum delay for all correct */
++ unsigned int final_tap[5];
++ unsigned int rxc_step_size;
++ unsigned int rxd_step_size;
++ unsigned int read_data;
++ unsigned int tmp;
++ unsigned int rd_wd;
++ int i;
++ unsigned int err_cnt[5];
++ unsigned int init_toggle_data;
++ unsigned int err_flag[5];
++ unsigned int err_total_flag;
++ unsigned int training_word;
++ unsigned int rd_tap;
++ u32 val;
++
++ u32 TRGMII_7623_base;
++ u32 TRGMII_7623_RD_0;
++ u32 TRGMII_RCK_CTRL;
++
++ TRGMII_7623_base = 0x300; /* 0xFB110300 */
++ TRGMII_7623_RD_0 = TRGMII_7623_base + 0x10;
++ TRGMII_RCK_CTRL = TRGMII_7623_base;
++ rxd_step_size = 0x1;
++ rxc_step_size = 0x4;
++ init_toggle_data = 0x00000055;
++ training_word = 0x000000AC;
++
++ /* RX clock gating in MT7623 */
++ mtk_switch_m32(gsw, 0x3fffffff, 0, TRGMII_7623_base + 0x04);
++
++ /* Assert RX reset in MT7623 */
++ mtk_switch_m32(gsw, 0, 0x80000000, TRGMII_7623_base + 0x00);
++
++ /* Set TX OE edge in MT7623 */
++ mtk_switch_m32(gsw, 0, 0x00002000, TRGMII_7623_base + 0x78);
++
++ /* Disable RX clock gating in MT7623 */
++ mtk_switch_m32(gsw, 0, 0xC0000000, TRGMII_7623_base + 0x04);
++
++ /* Release RX reset in MT7623 */
++ mtk_switch_m32(gsw, 0x7fffffff, 0, TRGMII_7623_base);
++
++ for (i = 0; i < 5; i++)
++ mtk_switch_m32(gsw, 0, 0x80000000, TRGMII_7623_RD_0 + i * 8);
++
++ pr_err("Enable Training Mode in MT7530\n");
++ read_data = mt7530_mdio_r32(gsw, 0x7A40);
++ read_data |= 0xC0000000;
++ mt7530_mdio_w32(gsw, 0x7A40, read_data); /* Enable Training Mode in MT7530 */
++ err_total_flag = 0;
++ pr_err("Adjust RXC delay in MT7623\n");
++ read_data = 0x0;
++ while (err_total_flag == 0 && read_data != 0x68) {
++ pr_err("2nd Enable EDGE CHK in MT7623\n");
++ /* Enable EDGE CHK in MT7623 */
++ for (i = 0; i < 5; i++)
++ mtk_switch_m32(gsw, 0x4fffffff, 0x40000000, TRGMII_7623_RD_0 + i * 8);
++
++ wait_loop(gsw);
++ err_total_flag = 1;
++ for (i = 0; i < 5; i++) {
++ err_cnt[i] =
++ mtk_switch_r32(gsw, TRGMII_7623_RD_0 + i * 8) >> 8;
++ err_cnt[i] &= 0x0000000f;
++ rd_wd = mtk_switch_r32(gsw, TRGMII_7623_RD_0 + i * 8) >> 16;
++ rd_wd &= 0x000000ff;
++ val = mtk_switch_r32(gsw, TRGMII_7623_RD_0 + i * 8);
++ pr_err("ERR_CNT = %d, RD_WD =%x, TRGMII_7623_RD_0=%x\n",
++ err_cnt[i], rd_wd, val);
++ if (err_cnt[i] != 0) {
++ err_flag[i] = 1;
++ } else if (rd_wd != 0x55) {
++ err_flag[i] = 1;
++ } else {
++ err_flag[i] = 0;
++ }
++ err_total_flag = err_flag[i] & err_total_flag;
++ }
++
++ pr_err("2nd Disable EDGE CHK in MT7623\n");
++ /* Disable EDGE CHK in MT7623 */
++ for (i = 0; i < 5; i++)
++ mtk_switch_m32(gsw, 0x4fffffff, 0x40000000, TRGMII_7623_RD_0 + i * 8);
++ wait_loop(gsw);
++ pr_err("2nd Disable EDGE CHK in MT7623\n");
++ /* Adjust RXC delay */
++ /* RX clock gating in MT7623 */
++ mtk_switch_m32(gsw, 0x3fffffff, 0, TRGMII_7623_base + 0x04);
++ read_data = mtk_switch_r32(gsw, TRGMII_7623_base);
++ if (err_total_flag == 0) {
++ tmp = (read_data & 0x0000007f) + rxc_step_size;
++ pr_err(" RXC delay = %d\n", tmp);
++ read_data >>= 8;
++ read_data &= 0xffffff80;
++ read_data |= tmp;
++ read_data <<= 8;
++ read_data &= 0xffffff80;
++ read_data |= tmp;
++ mtk_switch_w32(gsw, read_data, TRGMII_7623_base);
++ } else {
++ tmp = (read_data & 0x0000007f) + 16;
++ pr_err(" RXC delay = %d\n", tmp);
++ read_data >>= 8;
++ read_data &= 0xffffff80;
++ read_data |= tmp;
++ read_data <<= 8;
++ read_data &= 0xffffff80;
++ read_data |= tmp;
++ mtk_switch_w32(gsw, read_data, TRGMII_7623_base);
++ }
++ read_data &= 0x000000ff;
++
++ /* Disable RX clock gating in MT7623 */
++ mtk_switch_m32(gsw, 0, 0xC0000000, TRGMII_7623_base + 0x04);
++ for (i = 0; i < 5; i++)
++ mtk_switch_m32(gsw, 0, 0x80000000, TRGMII_7623_RD_0 + i * 8);
++ }
++
++ /* Read RD_WD MT7623 */
++ for (i = 0; i < 5; i++) {
++ rd_tap = 0;
++ while (err_flag[i] != 0 && rd_tap != 128) {
++ /* Enable EDGE CHK in MT7623 */
++ mtk_switch_m32(gsw, 0x4fffffff, 0x40000000, TRGMII_7623_RD_0 + i * 8);
++ wait_loop(gsw);
++
++ read_data = mtk_switch_r32(gsw, TRGMII_7623_RD_0 + i * 8);
++ err_cnt[i] = (read_data >> 8) & 0x0000000f; /* Read MT7623 Errcnt */
++ rd_wd = (read_data >> 16) & 0x000000ff;
++ if (err_cnt[i] != 0 || rd_wd != 0x55) {
++ err_flag[i] = 1;
++ } else {
++ err_flag[i] = 0;
++ }
++ /* Disable EDGE CHK in MT7623 */
++ mtk_switch_m32(gsw, 0x4fffffff, 0x40000000, TRGMII_7623_RD_0 + i * 8);
++ wait_loop(gsw);
++ if (err_flag[i] != 0) {
++ rd_tap = (read_data & 0x0000007f) + rxd_step_size; /* Add RXD delay in MT7623 */
++ read_data = (read_data & 0xffffff80) | rd_tap;
++ mtk_switch_w32(gsw, read_data,
++ TRGMII_7623_RD_0 + i * 8);
++ tap_a[i] = rd_tap;
++ } else {
++ rd_tap = (read_data & 0x0000007f) + 48;
++ read_data = (read_data & 0xffffff80) | rd_tap;
++ mtk_switch_w32(gsw, read_data,
++ TRGMII_7623_RD_0 + i * 8);
++ }
++
++ }
++ pr_err("MT7623 %dth bit Tap_a = %d\n", i, tap_a[i]);
++ }
++ /* pr_err("Last While Loop\n"); */
++ for (i = 0; i < 5; i++) {
++ while ((err_flag[i] == 0) && (rd_tap != 128)) {
++ read_data = mtk_switch_r32(gsw, TRGMII_7623_RD_0 + i * 8);
++ rd_tap = (read_data & 0x0000007f) + rxd_step_size; /* Add RXD delay in MT7623 */
++ read_data = (read_data & 0xffffff80) | rd_tap;
++ mtk_switch_w32(gsw, read_data, TRGMII_7623_RD_0 + i * 8);
++ /* Enable EDGE CHK in MT7623 */
++ val =
++ mtk_switch_r32(gsw, TRGMII_7623_RD_0 + i * 8) | 0x40000000;
++ val &= 0x4fffffff;
++ mtk_switch_w32(gsw, val, TRGMII_7623_RD_0 + i * 8);
++ wait_loop(gsw);
++ read_data = mtk_switch_r32(gsw, TRGMII_7623_RD_0 + i * 8);
++ err_cnt[i] = (read_data >> 8) & 0x0000000f; /* Read MT7623 Errcnt */
++ rd_wd = (read_data >> 16) & 0x000000ff;
++ if (err_cnt[i] != 0 || rd_wd != 0x55) {
++ err_flag[i] = 1;
++ } else {
++ err_flag[i] = 0;
++ }
++
++ /* Disable EDGE CHK in MT7623 */
++ mtk_switch_m32(gsw, 0x4fffffff, 0x40000000, TRGMII_7623_RD_0 + i * 8);
++ wait_loop(gsw);
++
++ }
++
++ tap_b[i] = rd_tap; /* -rxd_step_size; */
++ pr_err("MT7623 %dth bit Tap_b = %d\n", i, tap_b[i]);
++ final_tap[i] = (tap_a[i] + tap_b[i]) / 2; /* Calculate RXD delay = (TAP_A + TAP_B)/2 */
++ read_data = (read_data & 0xffffff80) | final_tap[i];
++ mtk_switch_w32(gsw, read_data, TRGMII_7623_RD_0 + i * 8);
++ }
++
++ read_data = mt7530_mdio_r32(gsw, 0x7A40);
++ read_data &= 0x3fffffff;
++ mt7530_mdio_w32(gsw, 0x7A40, read_data);
++}
++
++static void trgmii_calibration_7530(struct mt7620_gsw *gsw)
++{
++
++ unsigned int tap_a[5] = { 0, 0, 0, 0, 0 };
++ unsigned int tap_b[5] = { 0, 0, 0, 0, 0 };
++ unsigned int final_tap[5];
++ unsigned int rxc_step_size;
++ unsigned int rxd_step_size;
++ unsigned int read_data;
++ unsigned int tmp = 0;
++ int i;
++ unsigned int err_cnt[5];
++ unsigned int rd_wd;
++ unsigned int init_toggle_data;
++ unsigned int err_flag[5];
++ unsigned int err_total_flag;
++ unsigned int training_word;
++ unsigned int rd_tap;
++
++ u32 TRGMII_7623_base;
++ u32 TRGMII_7530_RD_0;
++ u32 TRGMII_RCK_CTRL;
++ u32 TRGMII_7530_base;
++ u32 TRGMII_7530_TX_base;
++ u32 val;
++
++ TRGMII_7623_base = 0x300;
++ TRGMII_7530_base = 0x7A00;
++ TRGMII_7530_RD_0 = TRGMII_7530_base + 0x10;
++ TRGMII_RCK_CTRL = TRGMII_7623_base;
++ rxd_step_size = 0x1;
++ rxc_step_size = 0x8;
++ init_toggle_data = 0x00000055;
++ training_word = 0x000000AC;
++
++ TRGMII_7530_TX_base = TRGMII_7530_base + 0x50;
++
++ /* pr_err("Calibration begin ........\n"); */
++ val = mtk_switch_r32(gsw, TRGMII_7623_base + 0x40) | 0x80000000;
++ mtk_switch_w32(gsw, val, TRGMII_7623_base + 0x40);
++ read_data = mt7530_mdio_r32(gsw, 0x7a10);
++ /* pr_err("TRGMII_7530_RD_0 is %x\n", read_data); */
++
++ read_data = mt7530_mdio_r32(gsw, TRGMII_7530_base + 0x04);
++ read_data &= 0x3fffffff;
++ mt7530_mdio_w32(gsw, TRGMII_7530_base + 0x04, read_data); /* RX clock gating in MT7530 */
++
++ read_data = mt7530_mdio_r32(gsw, TRGMII_7530_base + 0x78);
++ read_data |= 0x00002000;
++ mt7530_mdio_w32(gsw, TRGMII_7530_base + 0x78, read_data); /* Set TX OE edge in MT7530 */
++
++ read_data = mt7530_mdio_r32(gsw, TRGMII_7530_base);
++ read_data |= 0x80000000;
++ mt7530_mdio_w32(gsw, TRGMII_7530_base, read_data); /* Assert RX reset in MT7530 */
++
++ read_data = mt7530_mdio_r32(gsw, TRGMII_7530_base);
++ read_data &= 0x7fffffff;
++ mt7530_mdio_w32(gsw, TRGMII_7530_base, read_data); /* Release RX reset in MT7530 */
++
++ read_data = mt7530_mdio_r32(gsw, TRGMII_7530_base + 0x04);
++ read_data |= 0xC0000000;
++ mt7530_mdio_w32(gsw, TRGMII_7530_base + 0x04, read_data); /* Disable RX clock gating in MT7530 */
++
++ /* pr_err("Enable Training Mode in MT7623\n"); */
++ /*Enable Training Mode in MT7623 */
++ val = mtk_switch_r32(gsw, TRGMII_7623_base + 0x40) | 0x80000000;
++ mtk_switch_w32(gsw, val, TRGMII_7623_base + 0x40);
++ if (gsw->trgmii_force == 2000) {
++ val = mtk_switch_r32(gsw, TRGMII_7623_base + 0x40) | 0xC0000000;
++ mtk_switch_w32(gsw, val, TRGMII_7623_base + 0x40);
++ } else {
++ val = mtk_switch_r32(gsw, TRGMII_7623_base + 0x40) | 0x80000000;
++ mtk_switch_w32(gsw, val, TRGMII_7623_base + 0x40);
++ }
++ val = mtk_switch_r32(gsw, TRGMII_7623_base + 0x078) & 0xfffff0ff;
++ mtk_switch_w32(gsw, val, TRGMII_7623_base + 0x078);
++ val = mtk_switch_r32(gsw, TRGMII_7623_base + 0x50) & 0xfffff0ff;
++ mtk_switch_w32(gsw, val, TRGMII_7623_base + 0x50);
++ val = mtk_switch_r32(gsw, TRGMII_7623_base + 0x58) & 0xfffff0ff;
++ mtk_switch_w32(gsw, val, TRGMII_7623_base + 0x58);
++ val = mtk_switch_r32(gsw, TRGMII_7623_base + 0x60) & 0xfffff0ff;
++ mtk_switch_w32(gsw, val, TRGMII_7623_base + 0x60);
++ val = mtk_switch_r32(gsw, TRGMII_7623_base + 0x68) & 0xfffff0ff;
++ mtk_switch_w32(gsw, val, TRGMII_7623_base + 0x68);
++ val = mtk_switch_r32(gsw, TRGMII_7623_base + 0x70) & 0xfffff0ff;
++ mtk_switch_w32(gsw, val, TRGMII_7623_base + 0x70);
++ val = mtk_switch_r32(gsw, TRGMII_7623_base + 0x78) & 0x00000800;
++ mtk_switch_w32(gsw, val, TRGMII_7623_base + 0x78);
++ err_total_flag = 0;
++ /* pr_err("Adjust RXC delay in MT7530\n"); */
++ read_data = 0x0;
++ while (err_total_flag == 0 && (read_data != 0x68)) {
++ /* pr_err("2nd Enable EDGE CHK in MT7530\n"); */
++ /* Enable EDGE CHK in MT7530 */
++ for (i = 0; i < 5; i++) {
++ read_data =
++ mt7530_mdio_r32(gsw, TRGMII_7530_RD_0 + i * 8);
++ read_data |= 0x40000000;
++ read_data &= 0x4fffffff;
++ mt7530_mdio_w32(gsw, TRGMII_7530_RD_0 + i * 8,
++ read_data);
++ wait_loop(gsw);
++ /* pr_err("2nd Disable EDGE CHK in MT7530\n"); */
++ err_cnt[i] =
++ mt7530_mdio_r32(gsw, TRGMII_7530_RD_0 + i * 8);
++ /* pr_err("***** MT7530 %dth bit ERR_CNT =%x\n",i, err_cnt[i]); */
++ /* pr_err("MT7530 %dth bit ERR_CNT =%x\n",i, err_cnt[i]); */
++ err_cnt[i] >>= 8;
++ err_cnt[i] &= 0x0000ff0f;
++ rd_wd = err_cnt[i] >> 8;
++ rd_wd &= 0x000000ff;
++ err_cnt[i] &= 0x0000000f;
++ /* read_data = mt7530_mdio_r32(gsw,0x7a10,&read_data); */
++ if (err_cnt[i] != 0) {
++ err_flag[i] = 1;
++ } else if (rd_wd != 0x55) {
++ err_flag[i] = 1;
++ } else {
++ err_flag[i] = 0;
++ }
++ if (i == 0) {
++ err_total_flag = err_flag[i];
++ } else {
++ err_total_flag = err_flag[i] & err_total_flag;
++ }
++ /* Disable EDGE CHK in MT7530 */
++ read_data =
++ mt7530_mdio_r32(gsw, TRGMII_7530_RD_0 + i * 8);
++ read_data |= 0x40000000;
++ read_data &= 0x4fffffff;
++ mt7530_mdio_w32(gsw, TRGMII_7530_RD_0 + i * 8,
++ read_data);
++ wait_loop(gsw);
++ }
++ /*Adjust RXC delay */
++ if (err_total_flag == 0) {
++ read_data = mt7530_mdio_r32(gsw, TRGMII_7530_base);
++ read_data |= 0x80000000;
++ mt7530_mdio_w32(gsw, TRGMII_7530_base, read_data); /* Assert RX reset in MT7530 */
++
++ read_data =
++ mt7530_mdio_r32(gsw, TRGMII_7530_base + 0x04);
++ read_data &= 0x3fffffff;
++ mt7530_mdio_w32(gsw, TRGMII_7530_base + 0x04, read_data); /* RX clock gating in MT7530 */
++
++ read_data = mt7530_mdio_r32(gsw, TRGMII_7530_base);
++ tmp = read_data;
++ tmp &= 0x0000007f;
++ tmp += rxc_step_size;
++ /* pr_err("Current rxc delay = %d\n", tmp); */
++ read_data &= 0xffffff80;
++ read_data |= tmp;
++ mt7530_mdio_w32(gsw, TRGMII_7530_base, read_data);
++ read_data = mt7530_mdio_r32(gsw, TRGMII_7530_base);
++ /* pr_err("Current RXC delay = %x\n", read_data); */
++
++ read_data = mt7530_mdio_r32(gsw, TRGMII_7530_base);
++ read_data &= 0x7fffffff;
++ mt7530_mdio_w32(gsw, TRGMII_7530_base, read_data); /* Release RX reset in MT7530 */
++
++ read_data =
++ mt7530_mdio_r32(gsw, TRGMII_7530_base + 0x04);
++ read_data |= 0xc0000000;
++ mt7530_mdio_w32(gsw, TRGMII_7530_base + 0x04, read_data); /* Disable RX clock gating in MT7530 */
++ pr_err("####### MT7530 RXC delay is %d\n", tmp);
++ }
++ read_data = tmp;
++ }
++ pr_err("Finish RXC Adjustment while loop\n");
++
++ /* pr_err("Read RD_WD MT7530\n"); */
++ /* Read RD_WD MT7530 */
++ for (i = 0; i < 5; i++) {
++ rd_tap = 0;
++ while (err_flag[i] != 0 && rd_tap != 128) {
++ /* Enable EDGE CHK in MT7530 */
++ read_data =
++ mt7530_mdio_r32(gsw, TRGMII_7530_RD_0 + i * 8);
++ read_data |= 0x40000000;
++ read_data &= 0x4fffffff;
++ mt7530_mdio_w32(gsw, TRGMII_7530_RD_0 + i * 8,
++ read_data);
++ wait_loop(gsw);
++ err_cnt[i] = (read_data >> 8) & 0x0000000f;
++ rd_wd = (read_data >> 16) & 0x000000ff;
++ if (err_cnt[i] != 0 || rd_wd != 0x55) {
++ err_flag[i] = 1;
++ } else {
++ err_flag[i] = 0;
++ }
++ if (err_flag[i] != 0) {
++ rd_tap = (read_data & 0x0000007f) + rxd_step_size; /* Add RXD delay in MT7530 */
++ read_data = (read_data & 0xffffff80) | rd_tap;
++ mt7530_mdio_w32(gsw, TRGMII_7530_RD_0 + i * 8,
++ read_data);
++ tap_a[i] = rd_tap;
++ } else {
++ tap_a[i] = (read_data & 0x0000007f); /* Record the min delay TAP_A */
++ rd_tap = tap_a[i] + 0x4;
++ read_data = (read_data & 0xffffff80) | rd_tap;
++ mt7530_mdio_w32(gsw, TRGMII_7530_RD_0 + i * 8,
++ read_data);
++ }
++
++ /* Disable EDGE CHK in MT7530 */
++ read_data =
++ mt7530_mdio_r32(gsw, TRGMII_7530_RD_0 + i * 8);
++ read_data |= 0x40000000;
++ read_data &= 0x4fffffff;
++ mt7530_mdio_w32(gsw, TRGMII_7530_RD_0 + i * 8,
++ read_data);
++ wait_loop(gsw);
++
++ }
++ pr_err("MT7530 %dth bit Tap_a = %d\n", i, tap_a[i]);
++ }
++
++ /* pr_err("Last While Loop\n"); */
++ for (i = 0; i < 5; i++) {
++ rd_tap = 0;
++ while (err_flag[i] == 0 && (rd_tap != 128)) {
++ /* Enable EDGE CHK in MT7530 */
++ read_data = mt7530_mdio_r32(gsw, TRGMII_7530_RD_0 + i * 8);
++ read_data |= 0x40000000;
++ read_data &= 0x4fffffff;
++ mt7530_mdio_w32(gsw, TRGMII_7530_RD_0 + i * 8,
++ read_data);
++ wait_loop(gsw);
++ err_cnt[i] = (read_data >> 8) & 0x0000000f;
++ rd_wd = (read_data >> 16) & 0x000000ff;
++ if (err_cnt[i] != 0 || rd_wd != 0x55)
++ err_flag[i] = 1;
++ else
++ err_flag[i] = 0;
++
++ if (err_flag[i] == 0 && (rd_tap != 128)) {
++ /* Add RXD delay in MT7530 */
++ rd_tap = (read_data & 0x0000007f) + rxd_step_size;
++ read_data = (read_data & 0xffffff80) | rd_tap;
++ mt7530_mdio_w32(gsw, TRGMII_7530_RD_0 + i * 8,
++ read_data);
++ }
++ /* Disable EDGE CHK in MT7530 */
++ read_data =
++ mt7530_mdio_r32(gsw, TRGMII_7530_RD_0 + i * 8);
++ read_data |= 0x40000000;
++ read_data &= 0x4fffffff;
++ mt7530_mdio_w32(gsw, TRGMII_7530_RD_0 + i * 8,
++ read_data);
++ wait_loop(gsw);
++ }
++ tap_b[i] = rd_tap; /* - rxd_step_size; */
++ pr_err("MT7530 %dth bit Tap_b = %d\n", i, tap_b[i]);
++ /* Calculate RXD delay = (TAP_A + TAP_B)/2 */
++ final_tap[i] = (tap_a[i] + tap_b[i]) / 2;
++ /* pr_err("########****** MT7530 %dth bit Final Tap = %d\n", i, final_tap[i]); */
++
++ read_data = (read_data & 0xffffff80) | final_tap[i];
++ mt7530_mdio_w32(gsw, TRGMII_7530_RD_0 + i * 8, read_data);
++ }
++
++ if (gsw->trgmii_force == 2000)
++ mtk_switch_m32(gsw, 0x7fffffff, 0, TRGMII_7623_base + 0x40);
++ else
++ mtk_switch_m32(gsw, 0x3fffffff, 0, TRGMII_7623_base + 0x40);
++
++}
++
++static void mt7530_trgmii_clock_setting(struct mt7620_gsw *gsw, u32 xtal_mode)
++{
++
++ u32 regValue;
++
++ /* TRGMII Clock */
++ _mtk_mdio_write(gsw->eth, 0, 13, 0x1f);
++ _mtk_mdio_write(gsw->eth, 0, 14, 0x410);
++ _mtk_mdio_write(gsw->eth, 0, 13, 0x401f);
++ _mtk_mdio_write(gsw->eth, 0, 14, 0x1);
++ _mtk_mdio_write(gsw->eth, 0, 13, 0x1f);
++ _mtk_mdio_write(gsw->eth, 0, 14, 0x404);
++ _mtk_mdio_write(gsw->eth, 0, 13, 0x401f);
++
++ if (xtal_mode == 1) {
++ /* 25MHz */
++ if (gsw->trgmii_force == 2600)
++ /* 325MHz */
++ _mtk_mdio_write(gsw->eth, 0, 14, 0x1a00);
++ else if (gsw->trgmii_force == 2000)
++ /* 250MHz */
++ _mtk_mdio_write(gsw->eth, 0, 14, 0x1400);
++ } else if (xtal_mode == 2) {
++ /* 40MHz */
++ if (gsw->trgmii_force == 2600)
++ /* 325MHz */
++ _mtk_mdio_write(gsw->eth, 0, 14, 0x1040);
++ else if (gsw->trgmii_force == 2000)
++ /* 250MHz */
++ _mtk_mdio_write(gsw->eth, 0, 14, 0x0c80);
++ }
++ _mtk_mdio_write(gsw->eth, 0, 13, 0x1f);
++ _mtk_mdio_write(gsw->eth, 0, 14, 0x405);
++ _mtk_mdio_write(gsw->eth, 0, 13, 0x401f);
++ _mtk_mdio_write(gsw->eth, 0, 14, 0x0);
++ _mtk_mdio_write(gsw->eth, 0, 13, 0x1f);
++ _mtk_mdio_write(gsw->eth, 0, 14, 0x409);
++ _mtk_mdio_write(gsw->eth, 0, 13, 0x401f);
++ if (xtal_mode == 1)
++ /* 25MHz */
++ _mtk_mdio_write(gsw->eth, 0, 14, 0x0057);
++ else
++ /* 40MHz */
++ _mtk_mdio_write(gsw->eth, 0, 14, 0x0087);
++ _mtk_mdio_write(gsw->eth, 0, 13, 0x1f);
++ _mtk_mdio_write(gsw->eth, 0, 14, 0x40a);
++ _mtk_mdio_write(gsw->eth, 0, 13, 0x401f);
++ if (xtal_mode == 1)
++ /* 25MHz */
++ _mtk_mdio_write(gsw->eth, 0, 14, 0x0057);
++ else
++ /* 40MHz */
++ _mtk_mdio_write(gsw->eth, 0, 14, 0x0087);
++
++ _mtk_mdio_write(gsw->eth, 0, 13, 0x1f);
++ _mtk_mdio_write(gsw->eth, 0, 14, 0x403);
++ _mtk_mdio_write(gsw->eth, 0, 13, 0x401f);
++ _mtk_mdio_write(gsw->eth, 0, 14, 0x1800);
++
++ _mtk_mdio_write(gsw->eth, 0, 13, 0x1f);
++ _mtk_mdio_write(gsw->eth, 0, 14, 0x403);
++ _mtk_mdio_write(gsw->eth, 0, 13, 0x401f);
++ _mtk_mdio_write(gsw->eth, 0, 14, 0x1c00);
++
++ _mtk_mdio_write(gsw->eth, 0, 13, 0x1f);
++ _mtk_mdio_write(gsw->eth, 0, 14, 0x401);
++ _mtk_mdio_write(gsw->eth, 0, 13, 0x401f);
++ _mtk_mdio_write(gsw->eth, 0, 14, 0xc020);
++
++ _mtk_mdio_write(gsw->eth, 0, 13, 0x1f);
++ _mtk_mdio_write(gsw->eth, 0, 14, 0x406);
++ _mtk_mdio_write(gsw->eth, 0, 13, 0x401f);
++ _mtk_mdio_write(gsw->eth, 0, 14, 0xa030);
++
++ _mtk_mdio_write(gsw->eth, 0, 13, 0x1f);
++ _mtk_mdio_write(gsw->eth, 0, 14, 0x406);
++ _mtk_mdio_write(gsw->eth, 0, 13, 0x401f);
++ _mtk_mdio_write(gsw->eth, 0, 14, 0xa038);
++
++// udelay(120); /* for MT7623 bring up test */
++
++ _mtk_mdio_write(gsw->eth, 0, 13, 0x1f);
++ _mtk_mdio_write(gsw->eth, 0, 14, 0x410);
++ _mtk_mdio_write(gsw->eth, 0, 13, 0x401f);
++ _mtk_mdio_write(gsw->eth, 0, 14, 0x3);
++
++ regValue = mt7530_mdio_r32(gsw, 0x7830);
++ regValue &= 0xFFFFFFFC;
++ regValue |= 0x00000001;
++ mt7530_mdio_w32(gsw, 0x7830, regValue);
++
++ regValue = mt7530_mdio_r32(gsw, 0x7a40);
++ regValue &= ~(0x1 << 30);
++ regValue &= ~(0x1 << 28);
++ mt7530_mdio_w32(gsw, 0x7a40, regValue);
++
++ mt7530_mdio_w32(gsw, 0x7a78, 0x55);
++// udelay(100); /* for mt7623 bring up test */
++
++ mtk_switch_m32(gsw, 0x7fffffff, 0, 0x300);
++
++ trgmii_calibration_7623(gsw);
++ trgmii_calibration_7530(gsw);
++
++ mtk_switch_m32(gsw, 0, 0x80000000, 0x300);
++ mtk_switch_m32(gsw, 0, 0x7fffffff, 0x300);
++
++ /*MT7530 RXC reset */
++ regValue = mt7530_mdio_r32(gsw, 0x7a00);
++ regValue |= (0x1 << 31);
++ mt7530_mdio_w32(gsw, 0x7a00, regValue);
++ mdelay(1);
++ regValue &= ~(0x1 << 31);
++ mt7530_mdio_w32(gsw, 0x7a00, regValue);
++ mdelay(100);
++}
++
++static void mt7623_hw_init(struct mtk_eth *eth, struct mt7620_gsw *gsw, struct device_node *np)
++{
++ u32 i;
++ u32 val;
++ u32 xtal_mode;
++
++ regmap_update_bits(gsw->ethsys, ETHSYS_CLKCFG0,
++ ETHSYS_TRGMII_CLK_SEL362_5,
++ ETHSYS_TRGMII_CLK_SEL362_5);
++
++ /* reset the TRGMII core */
++ mtk_switch_m32(gsw, 0, INTF_MODE_TRGMII, GSW_INTF_MODE);
++ /* Assert MT7623 RXC reset */
++ mtk_switch_m32(gsw, 0, TRGMII_RCK_CTRL_RX_RST, GSW_TRGMII_RCK_CTRL);
++
++ /* Hardware reset Switch */
++ device_reset(eth->dev);
++
++ /* Wait for Switch Reset Completed*/
++ for (i = 0; i < 100; i++) {
++ mdelay(10);
++ if (mt7530_mdio_r32(gsw, MT7530_HWTRAP))
++ break;
++ }
++
++ /* turn off all PHYs */
++ for (i = 0; i <= 4; i++) {
++ val = _mtk_mdio_read(gsw->eth, i, 0x0);
++ val |= BIT(11);
++ _mtk_mdio_write(gsw->eth, i, 0x0, val);
++ }
++
++ /* reset the switch */
++ mt7530_mdio_w32(gsw, MT7530_SYS_CTRL,
++ SYS_CTRL_SW_RST | SYS_CTRL_REG_RST);
++ udelay(100);
++
++ /* GE1, Force 1000M/FD, FC ON */
++ mt7530_mdio_w32(gsw, MT7530_PMCR_P(6), PMCR_FIXED_LINK_FC);
++
++ /* GE2, Force 1000M/FD, FC ON */
++ mt7530_mdio_w32(gsw, MT7530_PMCR_P(5), PMCR_FIXED_LINK_FC);
++
++ /* Enable Port 6, P5 as GMAC5, P5 disable */
++ val = mt7530_mdio_r32(gsw, MT7530_MHWTRAP);
++ if (gsw->eth->mac[0] &&
++ of_phy_is_fixed_link(gsw->eth->mac[0]->of_node))
++ /* Enable Port 6 */
++ val &= ~MHWTRAP_P6_DIS;
++ else
++ /* Disable Port 6 */
++ val |= MHWTRAP_P6_DIS;
++ if (gsw->eth->mac[1] &&
++ of_phy_is_fixed_link(gsw->eth->mac[1]->of_node)) {
++ /* Enable Port 5 */
++ val &= ~MHWTRAP_P5_DIS;
++ /* Port 5 as PHY */
++ val &= ~MHWTRAP_P5_MAC_SEL;
++ } else {
++ /* Disable Port 5 */
++ val |= MHWTRAP_P5_DIS;
++ /* Port 5 as GMAC */
++ val |= MHWTRAP_P5_MAC_SEL;
++ val |= BIT(7);
++ mt7530_mdio_w32(gsw, MT7530_PMCR_P(5), 0x8000);
++ }
++ /* gphy to port 0/4 */
++ if (gsw->wllll)
++ val |= BIT(20);
++ else
++ val &= ~BIT(20);
++
++ /* Set MT7530 phy direct access mode**/
++ val &= ~MHWTRAP_PHY_ACCESS;
++ /* manual override of HW-Trap */
++ val |= MHWTRAP_MANUAL;
++ mt7530_mdio_w32(gsw, MT7530_MHWTRAP, val);
++ dev_info(gsw->dev, "Setting MHWTRAP to 0x%08x\n", val);
++
++ val = mt7530_mdio_r32(gsw, 0x7800);
++ val = (val >> 9) & 0x3;
++ if (val == 0x3) {
++ xtal_mode = 1;
++ /* 25Mhz Xtal - do nothing */
++ } else if (val == 0x2) {
++ /* 40Mhz */
++ xtal_mode = 2;
++
++ /* disable MT7530 core clock */
++ _mtk_mdio_write(gsw->eth, 0, 13, 0x1f);
++ _mtk_mdio_write(gsw->eth, 0, 14, 0x410);
++ _mtk_mdio_write(gsw->eth, 0, 13, 0x401f);
++ _mtk_mdio_write(gsw->eth, 0, 14, 0x0);
++
++ /* disable MT7530 PLL */
++ _mtk_mdio_write(gsw->eth, 0, 13, 0x1f);
++ _mtk_mdio_write(gsw->eth, 0, 14, 0x40d);
++ _mtk_mdio_write(gsw->eth, 0, 13, 0x401f);
++ _mtk_mdio_write(gsw->eth, 0, 14, 0x2020);
++
++ /* for MT7530 core clock = 500Mhz */
++ _mtk_mdio_write(gsw->eth, 0, 13, 0x1f);
++ _mtk_mdio_write(gsw->eth, 0, 14, 0x40e);
++ _mtk_mdio_write(gsw->eth, 0, 13, 0x401f);
++ _mtk_mdio_write(gsw->eth, 0, 14, 0x119);
++
++ /* enable MT7530 PLL */
++ _mtk_mdio_write(gsw->eth, 0, 13, 0x1f);
++ _mtk_mdio_write(gsw->eth, 0, 14, 0x40d);
++ _mtk_mdio_write(gsw->eth, 0, 13, 0x401f);
++ _mtk_mdio_write(gsw->eth, 0, 14, 0x2820);
++
++ udelay(20);
++
++ /* enable MT7530 core clock */
++ _mtk_mdio_write(gsw->eth, 0, 13, 0x1f);
++ _mtk_mdio_write(gsw->eth, 0, 14, 0x410);
++ _mtk_mdio_write(gsw->eth, 0, 13, 0x401f);
++ } else {
++ xtal_mode = 3;
++ /* 20Mhz Xtal - TODO */
++ }
++
++ /* RGMII */
++ _mtk_mdio_write(gsw->eth, 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);
++
++ /* delay setting for 10/1000M */
++ mt7530_mdio_w32(gsw, 0x7b00, 0x104);
++ mt7530_mdio_w32(gsw, 0x7b04, 0x10);
++
++ /* lower Tx Driving */
++ mt7530_mdio_w32(gsw, 0x7a54, 0x88);
++ mt7530_mdio_w32(gsw, 0x7a5c, 0x88);
++ mt7530_mdio_w32(gsw, 0x7a64, 0x88);
++ mt7530_mdio_w32(gsw, 0x7a6c, 0x88);
++ mt7530_mdio_w32(gsw, 0x7a74, 0x88);
++ mt7530_mdio_w32(gsw, 0x7a7c, 0x88);
++ mt7530_mdio_w32(gsw, 0x7810, 0x11);
++
++ /* Set MT7623/MT7683 TX Driving */
++ mtk_switch_w32(gsw, 0x88, 0x354);
++ mtk_switch_w32(gsw, 0x88, 0x35c);
++ mtk_switch_w32(gsw, 0x88, 0x364);
++ mtk_switch_w32(gsw, 0x88, 0x36c);
++ mtk_switch_w32(gsw, 0x88, 0x374);
++ mtk_switch_w32(gsw, 0x88, 0x37c);
++
++ /* Set GE2 driving and slew rate */
++ regmap_write(gsw->pctl, 0xF00, 0xe00);
++ /* set GE2 TDSEL */
++ regmap_write(gsw->pctl, 0x4C0, 0x5);
++ /* set GE2 TUNE */
++ regmap_write(gsw->pctl, 0xED0, 0x0);
++
++ regmap_write(gsw->pctl, 0xb70, 0);
++ regmap_write(gsw->pctl, 0x250, 0xffff);
++ regmap_write(gsw->pctl, 0x260, 0xff);
++ regmap_write(gsw->pctl, 0x380, 0x37);
++ regmap_write(gsw->pctl, 0x390, 0x40);
++
++ mt7530_trgmii_clock_setting(gsw, xtal_mode);
++
++ //LANWANPartition(gsw);
++
++ /* disable EEE */
++ for (i = 0; i <= 4; i++) {
++ _mtk_mdio_write(gsw->eth, i, 13, 0x7);
++ _mtk_mdio_write(gsw->eth, i, 14, 0x3C);
++ _mtk_mdio_write(gsw->eth, i, 13, 0x4007);
++ _mtk_mdio_write(gsw->eth, i, 14, 0x0);
++
++ /* Increase SlvDPSready time */
++ _mtk_mdio_write(gsw->eth, i, 31, 0x52b5);
++ _mtk_mdio_write(gsw->eth, i, 16, 0xafae);
++ _mtk_mdio_write(gsw->eth, i, 18, 0x2f);
++ _mtk_mdio_write(gsw->eth, i, 16, 0x8fae);
++
++ /* Incease post_update_timer */
++ _mtk_mdio_write(gsw->eth, i, 31, 0x3);
++ _mtk_mdio_write(gsw->eth, i, 17, 0x4b);
++
++ /* Adjust 100_mse_threshold */
++ _mtk_mdio_write(gsw->eth, i, 13, 0x1e);
++ _mtk_mdio_write(gsw->eth, i, 14, 0x123);
++ _mtk_mdio_write(gsw->eth, i, 13, 0x401e);
++ _mtk_mdio_write(gsw->eth, i, 14, 0xffff);
++
++ /* Disable mcc */
++ _mtk_mdio_write(gsw->eth, i, 13, 0x1e);
++ _mtk_mdio_write(gsw->eth, i, 14, 0xa6);
++ _mtk_mdio_write(gsw->eth, i, 13, 0x401e);
++ _mtk_mdio_write(gsw->eth, i, 14, 0x300);
++
++ /* Disable HW auto downshift*/
++ _mtk_mdio_write(gsw->eth, i, 31, 0x1);
++ val = _mtk_mdio_read(gsw->eth, i, 0x14);
++ val &= ~(1<<4);
++ _mtk_mdio_write(gsw->eth, i, 0x14, val);
++ }
++
++ /* turn on all PHYs */
++ for (i = 0; i <= 4; i++) {
++ val = _mtk_mdio_read(gsw->eth, i, 0);
++ val &= ~BIT(11);
++ _mtk_mdio_write(gsw->eth, i, 0, val);
++ }
++
++ /* enable irq */
++ mt7530_mdio_m32(gsw, 0, TOP_SIG_CTRL_NORMAL, MT7530_TOP_SIG_CTRL);
++}
++
++static const struct of_device_id mediatek_gsw_match[] = {
++ { .compatible = "mediatek,mt7623-gsw" },
++ {},
++};
++MODULE_DEVICE_TABLE(of, mediatek_gsw_match);
++
++int mtk_gsw_init(struct mtk_eth *eth)
++{
++ struct device_node *np = eth->switch_np;
++ struct platform_device *pdev = of_find_device_by_node(np);
++ struct mt7620_gsw *gsw;
++
++ if (!pdev)
++ return -ENODEV;
++
++ if (!of_device_is_compatible(np, mediatek_gsw_match->compatible))
++ return -EINVAL;
++
++ gsw = platform_get_drvdata(pdev);
++ if (!gsw)
++ return -ENODEV;
++ gsw->eth = eth;
++ eth->sw_priv = gsw;
++
++ mt7623_hw_init(eth, gsw, np);
++
++ if (request_threaded_irq(gsw->irq, gsw_interrupt_mt7623, NULL, 0,
++ "gsw", eth))
++ pr_err("fail to request irq\n");
++ mt7530_mdio_w32(gsw, 0x7008, 0x1f);
++
++ return 0;
++}
++
++static int mt7623_gsw_probe(struct platform_device *pdev)
++{
++ struct device_node *np = pdev->dev.of_node;
++ struct device_node *pctl;
++ int reset_pin, ret;
++ struct mt7620_gsw *gsw;
++ struct regulator *supply;
++
++ gsw = devm_kzalloc(&pdev->dev, sizeof(struct mt7620_gsw), GFP_KERNEL);
++ if (!gsw)
++ return -ENOMEM;
++
++ gsw->dev = &pdev->dev;
++ gsw->trgmii_force = 2000;
++ gsw->irq = irq_of_parse_and_map(np, 0);
++ if (gsw->irq < 0)
++ return -EINVAL;
++
++ gsw->ethsys = syscon_regmap_lookup_by_phandle(np, "mediatek,ethsys");
++ if (IS_ERR(gsw->ethsys))
++ return PTR_ERR(gsw->ethsys);
++
++ reset_pin = of_get_named_gpio(np, "mediatek,reset-pin", 0);
++ if (reset_pin < 0)
++ return reset_pin;
++
++ pctl = of_parse_phandle(np, "mediatek,pctl-regmap", 0);
++ if (IS_ERR(pctl))
++ return PTR_ERR(pctl);
++
++ gsw->pctl = syscon_node_to_regmap(pctl);
++ if (IS_ERR(pctl))
++ return PTR_ERR(pctl);
++
++ ret = devm_gpio_request(&pdev->dev, reset_pin, "mt7530-reset");
++ if (ret)
++ return ret;
++
++ gsw->clk_trgpll = devm_clk_get(&pdev->dev, "trgpll");
++
++ if (IS_ERR(gsw->clk_trgpll))
++ return -ENODEV;
++
++ supply = devm_regulator_get(&pdev->dev, "mt7530");
++ if (IS_ERR(supply))
++ return PTR_ERR(supply);
++
++ regulator_set_voltage(supply, 1000000, 1000000);
++ ret = regulator_enable(supply);
++ if (ret) {
++ dev_err(&pdev->dev, "Failed to enable reg-7530: %d\n", ret);
++ return ret;
++ }
++
++ gsw->wllll = of_property_read_bool(np, "mediatek,wllll");
++
++ pm_runtime_enable(&pdev->dev);
++ pm_runtime_get_sync(&pdev->dev);
++
++ ret = clk_set_rate(gsw->clk_trgpll, 500000000);
++ if (ret)
++ return ret;
++
++ clk_prepare_enable(gsw->clk_trgpll);
++
++ gpio_direction_output(reset_pin, 0);
++ udelay(1000);
++ gpio_set_value(reset_pin, 1);
++ mdelay(100);
++
++ platform_set_drvdata(pdev, gsw);
++
++ return 0;
++}
++
++static int mt7623_gsw_remove(struct platform_device *pdev)
++{
++ struct mt7620_gsw *gsw = platform_get_drvdata(pdev);
++
++ clk_disable_unprepare(gsw->clk_trgpll);
++
++ pm_runtime_put_sync(&pdev->dev);
++ pm_runtime_disable(&pdev->dev);
++
++ platform_set_drvdata(pdev, NULL);
++
++ return 0;
++}
++
++static struct platform_driver gsw_driver = {
++ .probe = mt7623_gsw_probe,
++ .remove = mt7623_gsw_remove,
++ .driver = {
++ .name = "mt7623-gsw",
++ .owner = THIS_MODULE,
++ .of_match_table = mediatek_gsw_match,
++ },
++};
++
++module_platform_driver(gsw_driver);
++
++MODULE_LICENSE("GPL");
++MODULE_AUTHOR("John Crispin <blogic@openwrt.org>");
++MODULE_DESCRIPTION("GBit switch driver for Mediatek MT7623 SoC");
+diff --git a/drivers/net/ethernet/mediatek/mt7530.c b/drivers/net/ethernet/mediatek/mt7530.c
+new file mode 100644
+index 0000000..2e9d280
+--- /dev/null
++++ b/drivers/net/ethernet/mediatek/mt7530.c
+@@ -0,0 +1,808 @@
++/*
++ * This program is free software; you can redistribute it and/or
++ * modify it under the terms of the GNU General Public License
++ * as published by the Free Software Foundation; either version 2
++ * of the License, or (at your option) any later version.
++ *
++ * This program is distributed in the hope that it will be useful,
++ * but WITHOUT ANY WARRANTY; without even the implied warranty of
++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
++ * GNU General Public License for more details.
++ *
++ * Copyright (C) 2013 John Crispin <blogic@openwrt.org>
++ */
++
++#include <linux/if.h>
++#include <linux/module.h>
++#include <linux/init.h>
++#include <linux/list.h>
++#include <linux/if_ether.h>
++#include <linux/skbuff.h>
++#include <linux/netdevice.h>
++#include <linux/netlink.h>
++#include <linux/bitops.h>
++#include <net/genetlink.h>
++#include <linux/switch.h>
++#include <linux/delay.h>
++#include <linux/phy.h>
++#include <linux/netdevice.h>
++#include <linux/etherdevice.h>
++#include <linux/lockdep.h>
++#include <linux/workqueue.h>
++#include <linux/of_device.h>
++
++#include "mt7530.h"
++
++#define MT7530_CPU_PORT 6
++#define MT7530_NUM_PORTS 8
++#define MT7530_NUM_VLANS 16
++#define MT7530_MAX_VID 4095
++#define MT7530_MIN_VID 0
++
++/* registers */
++#define REG_ESW_VLAN_VTCR 0x90
++#define REG_ESW_VLAN_VAWD1 0x94
++#define REG_ESW_VLAN_VAWD2 0x98
++#define REG_ESW_VLAN_VTIM(x) (0x100 + 4 * ((x) / 2))
++
++#define REG_ESW_VLAN_VAWD1_IVL_MAC BIT(30)
++#define REG_ESW_VLAN_VAWD1_VTAG_EN BIT(28)
++#define REG_ESW_VLAN_VAWD1_VALID BIT(0)
++
++/* vlan egress mode */
++enum {
++ ETAG_CTRL_UNTAG = 0,
++ ETAG_CTRL_TAG = 2,
++ ETAG_CTRL_SWAP = 1,
++ ETAG_CTRL_STACK = 3,
++};
++
++#define REG_ESW_PORT_PCR(x) (0x2004 | ((x) << 8))
++#define REG_ESW_PORT_PVC(x) (0x2010 | ((x) << 8))
++#define REG_ESW_PORT_PPBV1(x) (0x2014 | ((x) << 8))
++
++#define REG_HWTRAP 0x7804
++
++#define MIB_DESC(_s , _o, _n) \
++ { \
++ .size = (_s), \
++ .offset = (_o), \
++ .name = (_n), \
++ }
++
++struct mt7xxx_mib_desc {
++ unsigned int size;
++ unsigned int offset;
++ const char *name;
++};
++
++#define MT7621_MIB_COUNTER_BASE 0x4000
++#define MT7621_MIB_COUNTER_PORT_OFFSET 0x100
++#define MT7621_STATS_TDPC 0x00
++#define MT7621_STATS_TCRC 0x04
++#define MT7621_STATS_TUPC 0x08
++#define MT7621_STATS_TMPC 0x0C
++#define MT7621_STATS_TBPC 0x10
++#define MT7621_STATS_TCEC 0x14
++#define MT7621_STATS_TSCEC 0x18
++#define MT7621_STATS_TMCEC 0x1C
++#define MT7621_STATS_TDEC 0x20
++#define MT7621_STATS_TLCEC 0x24
++#define MT7621_STATS_TXCEC 0x28
++#define MT7621_STATS_TPPC 0x2C
++#define MT7621_STATS_TL64PC 0x30
++#define MT7621_STATS_TL65PC 0x34
++#define MT7621_STATS_TL128PC 0x38
++#define MT7621_STATS_TL256PC 0x3C
++#define MT7621_STATS_TL512PC 0x40
++#define MT7621_STATS_TL1024PC 0x44
++#define MT7621_STATS_TOC 0x48
++#define MT7621_STATS_RDPC 0x60
++#define MT7621_STATS_RFPC 0x64
++#define MT7621_STATS_RUPC 0x68
++#define MT7621_STATS_RMPC 0x6C
++#define MT7621_STATS_RBPC 0x70
++#define MT7621_STATS_RAEPC 0x74
++#define MT7621_STATS_RCEPC 0x78
++#define MT7621_STATS_RUSPC 0x7C
++#define MT7621_STATS_RFEPC 0x80
++#define MT7621_STATS_ROSPC 0x84
++#define MT7621_STATS_RJEPC 0x88
++#define MT7621_STATS_RPPC 0x8C
++#define MT7621_STATS_RL64PC 0x90
++#define MT7621_STATS_RL65PC 0x94
++#define MT7621_STATS_RL128PC 0x98
++#define MT7621_STATS_RL256PC 0x9C
++#define MT7621_STATS_RL512PC 0xA0
++#define MT7621_STATS_RL1024PC 0xA4
++#define MT7621_STATS_ROC 0xA8
++#define MT7621_STATS_RDPC_CTRL 0xB0
++#define MT7621_STATS_RDPC_ING 0xB4
++#define MT7621_STATS_RDPC_ARL 0xB8
++
++static const struct mt7xxx_mib_desc mt7621_mibs[] = {
++ MIB_DESC(1, MT7621_STATS_TDPC, "TxDrop"),
++ MIB_DESC(1, MT7621_STATS_TCRC, "TxCRC"),
++ MIB_DESC(1, MT7621_STATS_TUPC, "TxUni"),
++ MIB_DESC(1, MT7621_STATS_TMPC, "TxMulti"),
++ MIB_DESC(1, MT7621_STATS_TBPC, "TxBroad"),
++ MIB_DESC(1, MT7621_STATS_TCEC, "TxCollision"),
++ MIB_DESC(1, MT7621_STATS_TSCEC, "TxSingleCol"),
++ MIB_DESC(1, MT7621_STATS_TMCEC, "TxMultiCol"),
++ MIB_DESC(1, MT7621_STATS_TDEC, "TxDefer"),
++ MIB_DESC(1, MT7621_STATS_TLCEC, "TxLateCol"),
++ MIB_DESC(1, MT7621_STATS_TXCEC, "TxExcCol"),
++ MIB_DESC(1, MT7621_STATS_TPPC, "TxPause"),
++ MIB_DESC(1, MT7621_STATS_TL64PC, "Tx64Byte"),
++ MIB_DESC(1, MT7621_STATS_TL65PC, "Tx65Byte"),
++ MIB_DESC(1, MT7621_STATS_TL128PC, "Tx128Byte"),
++ MIB_DESC(1, MT7621_STATS_TL256PC, "Tx256Byte"),
++ MIB_DESC(1, MT7621_STATS_TL512PC, "Tx512Byte"),
++ MIB_DESC(1, MT7621_STATS_TL1024PC, "Tx1024Byte"),
++ MIB_DESC(2, MT7621_STATS_TOC, "TxByte"),
++ MIB_DESC(1, MT7621_STATS_RDPC, "RxDrop"),
++ MIB_DESC(1, MT7621_STATS_RFPC, "RxFiltered"),
++ MIB_DESC(1, MT7621_STATS_RUPC, "RxUni"),
++ MIB_DESC(1, MT7621_STATS_RMPC, "RxMulti"),
++ MIB_DESC(1, MT7621_STATS_RBPC, "RxBroad"),
++ MIB_DESC(1, MT7621_STATS_RAEPC, "RxAlignErr"),
++ MIB_DESC(1, MT7621_STATS_RCEPC, "RxCRC"),
++ MIB_DESC(1, MT7621_STATS_RUSPC, "RxUnderSize"),
++ MIB_DESC(1, MT7621_STATS_RFEPC, "RxFragment"),
++ MIB_DESC(1, MT7621_STATS_ROSPC, "RxOverSize"),
++ MIB_DESC(1, MT7621_STATS_RJEPC, "RxJabber"),
++ MIB_DESC(1, MT7621_STATS_RPPC, "RxPause"),
++ MIB_DESC(1, MT7621_STATS_RL64PC, "Rx64Byte"),
++ MIB_DESC(1, MT7621_STATS_RL65PC, "Rx65Byte"),
++ MIB_DESC(1, MT7621_STATS_RL128PC, "Rx128Byte"),
++ MIB_DESC(1, MT7621_STATS_RL256PC, "Rx256Byte"),
++ MIB_DESC(1, MT7621_STATS_RL512PC, "Rx512Byte"),
++ MIB_DESC(1, MT7621_STATS_RL1024PC, "Rx1024Byte"),
++ MIB_DESC(2, MT7621_STATS_ROC, "RxByte"),
++ MIB_DESC(1, MT7621_STATS_RDPC_CTRL, "RxCtrlDrop"),
++ MIB_DESC(1, MT7621_STATS_RDPC_ING, "RxIngDrop"),
++ MIB_DESC(1, MT7621_STATS_RDPC_ARL, "RxARLDrop")
++};
++
++enum {
++ /* Global attributes. */
++ MT7530_ATTR_ENABLE_VLAN,
++};
++
++struct mt7530_port_entry {
++ u16 pvid;
++};
++
++struct mt7530_vlan_entry {
++ u16 vid;
++ u8 member;
++ u8 etags;
++};
++
++struct mt7530_priv {
++ void __iomem *base;
++ struct mii_bus *bus;
++ struct switch_dev swdev;
++
++ bool global_vlan_enable;
++ struct mt7530_vlan_entry vlan_entries[MT7530_NUM_VLANS];
++ struct mt7530_port_entry port_entries[MT7530_NUM_PORTS];
++};
++
++struct mt7530_mapping {
++ char *name;
++ u16 pvids[MT7530_NUM_PORTS];
++ u8 members[MT7530_NUM_VLANS];
++ u8 etags[MT7530_NUM_VLANS];
++ u16 vids[MT7530_NUM_VLANS];
++} mt7530_defaults[] = {
++ {
++ .name = "llllw",
++ .pvids = { 1, 1, 1, 1, 2, 1, 1 },
++ .members = { 0, 0x6f, 0x50 },
++ .etags = { 0, 0x40, 0x40 },
++ .vids = { 0, 1, 2 },
++ }, {
++ .name = "wllll",
++ .pvids = { 2, 1, 1, 1, 1, 1, 1 },
++ .members = { 0, 0x7e, 0x41 },
++ .etags = { 0, 0x40, 0x40 },
++ .vids = { 0, 1, 2 },
++ },
++};
++
++struct mt7530_mapping*
++mt7530_find_mapping(struct device_node *np)
++{
++ const char *map;
++ int i;
++
++ if (of_property_read_string(np, "mediatek,portmap", &map))
++ return NULL;
++
++ for (i = 0; i < ARRAY_SIZE(mt7530_defaults); i++)
++ if (!strcmp(map, mt7530_defaults[i].name))
++ return &mt7530_defaults[i];
++
++ return NULL;
++}
++
++static void
++mt7530_apply_mapping(struct mt7530_priv *mt7530, struct mt7530_mapping *map)
++{
++ int i = 0;
++
++ for (i = 0; i < MT7530_NUM_PORTS; i++)
++ mt7530->port_entries[i].pvid = map->pvids[i];
++
++ for (i = 0; i < MT7530_NUM_VLANS; i++) {
++ mt7530->vlan_entries[i].member = map->members[i];
++ mt7530->vlan_entries[i].etags = map->etags[i];
++ mt7530->vlan_entries[i].vid = map->vids[i];
++ }
++}
++
++static int
++mt7530_reset_switch(struct switch_dev *dev)
++{
++ struct mt7530_priv *eth = container_of(dev, struct mt7530_priv, swdev);
++ int i;
++
++ memset(eth->port_entries, 0, sizeof(eth->port_entries));
++ memset(eth->vlan_entries, 0, sizeof(eth->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++) {
++ eth->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 *eth = container_of(dev, struct mt7530_priv, swdev);
++
++ val->value.i = eth->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 *eth = container_of(dev, struct mt7530_priv, swdev);
++
++ eth->global_vlan_enable = val->value.i != 0;
++
++ return 0;
++}
++
++static u32
++mt7530_r32(struct mt7530_priv *eth, u32 reg)
++{
++ u32 val;
++ if (eth->bus) {
++ u16 high, low;
++
++ mdiobus_write(eth->bus, 0x1f, 0x1f, (reg >> 6) & 0x3ff);
++ low = mdiobus_read(eth->bus, 0x1f, (reg >> 2) & 0xf);
++ high = mdiobus_read(eth->bus, 0x1f, 0x10);
++
++ return (high << 16) | (low & 0xffff);
++ }
++
++ val = ioread32(eth->base + reg);
++ pr_debug("MT7530 MDIO Read [%04x]=%08x\n", reg, val);
++
++ return val;
++}
++
++static void
++mt7530_w32(struct mt7530_priv *eth, u32 reg, u32 val)
++{
++ if (eth->bus) {
++ mdiobus_write(eth->bus, 0x1f, 0x1f, (reg >> 6) & 0x3ff);
++ mdiobus_write(eth->bus, 0x1f, (reg >> 2) & 0xf, val & 0xffff);
++ mdiobus_write(eth->bus, 0x1f, 0x10, val >> 16);
++ return;
++ }
++
++ pr_debug("MT7530 MDIO Write[%04x]=%08x\n", reg, val);
++ iowrite32(val, eth->base + reg);
++}
++
++static void
++mt7530_vtcr(struct mt7530_priv *eth, u32 cmd, u32 val)
++{
++ int i;
++
++ mt7530_w32(eth, REG_ESW_VLAN_VTCR, BIT(31) | (cmd << 12) | val);
++
++ for (i = 0; i < 20; i++) {
++ u32 val = mt7530_r32(eth, 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 *eth = container_of(dev, struct mt7530_priv, swdev);
++
++ if (port >= MT7530_NUM_PORTS)
++ return -EINVAL;
++
++ *val = mt7530_r32(eth, 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 *eth = 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;
++
++ eth->port_entries[port].pvid = pvid;
++
++ return 0;
++}
++
++static int
++mt7530_get_vlan_ports(struct switch_dev *dev, struct switch_val *val)
++{
++ struct mt7530_priv *eth = 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(eth, 0, val->port_vlan);
++
++ member = mt7530_r32(eth, REG_ESW_VLAN_VAWD1);
++ member >>= 16;
++ member &= 0xff;
++
++ etags = mt7530_r32(eth, 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 *eth = 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);
++ }
++ eth->vlan_entries[val->port_vlan].member = member;
++ eth->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 *eth = 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;
++
++ eth->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 *eth = container_of(dev, struct mt7530_priv, swdev);
++ u32 vid;
++ int vlan;
++
++ vlan = val->port_vlan;
++
++ vid = mt7530_r32(eth, 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 *eth = container_of(dev, struct mt7530_priv, swdev);
++ int i, j;
++ u8 tag_ports;
++ u8 untag_ports;
++
++ if (!eth->global_vlan_enable) {
++ for (i = 0; i < MT7530_NUM_PORTS; i++)
++ mt7530_w32(eth, REG_ESW_PORT_PCR(i), 0x00ff0000);
++
++ for (i = 0; i < MT7530_NUM_PORTS; i++)
++ mt7530_w32(eth, REG_ESW_PORT_PVC(i), 0x810000c0);
++
++ return 0;
++ }
++
++ /* set all ports as security mode */
++ for (i = 0; i < MT7530_NUM_PORTS; i++)
++ mt7530_w32(eth, REG_ESW_PORT_PCR(i), 0x00ff0003);
++
++ /* check if a port is used in tag/untag vlan egress mode */
++ tag_ports = 0;
++ untag_ports = 0;
++
++ for (i = 0; i < MT7530_NUM_VLANS; i++) {
++ u8 member = eth->vlan_entries[i].member;
++ u8 etags = eth->vlan_entries[i].etags;
++
++ if (!member)
++ continue;
++
++ for (j = 0; j < MT7530_NUM_PORTS; j++) {
++ if (!(member & BIT(j)))
++ continue;
++
++ if (etags & BIT(j))
++ tag_ports |= 1u << j;
++ else
++ untag_ports |= 1u << j;
++ }
++ }
++
++ /* set all untag-only ports as transparent and the rest as user port */
++ for (i = 0; i < MT7530_NUM_PORTS; i++) {
++ u32 pvc_mode = 0x81000000;
++
++ if (untag_ports & BIT(i) && !(tag_ports & BIT(i)))
++ pvc_mode = 0x810000c0;
++
++ mt7530_w32(eth, REG_ESW_PORT_PVC(i), pvc_mode);
++ }
++
++ for (i = 0; i < MT7530_NUM_VLANS; i++) {
++ u16 vid = eth->vlan_entries[i].vid;
++ u8 member = eth->vlan_entries[i].member;
++ u8 etags = eth->vlan_entries[i].etags;
++ u32 val;
++
++ /* vid of vlan */
++ val = mt7530_r32(eth, REG_ESW_VLAN_VTIM(i));
++ if (i % 2 == 0) {
++ val &= 0xfff000;
++ val |= vid;
++ } else {
++ val &= 0xfff;
++ val |= (vid << 12);
++ }
++ mt7530_w32(eth, REG_ESW_VLAN_VTIM(i), val);
++
++ /* vlan port membership */
++ if (member)
++ mt7530_w32(eth, 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(eth, 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(eth, REG_ESW_VLAN_VAWD2, val);
++
++ /* write to vlan table */
++ mt7530_vtcr(eth, 1, i);
++ }
++
++ /* Port Default PVID */
++ for (i = 0; i < MT7530_NUM_PORTS; i++) {
++ u32 val;
++ val = mt7530_r32(eth, REG_ESW_PORT_PPBV1(i));
++ val &= ~0xfff;
++ val |= eth->port_entries[i].pvid;
++ mt7530_w32(eth, 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 *eth = container_of(dev, struct mt7530_priv, swdev);
++ u32 speed, pmsr;
++
++ if (port < 0 || port >= MT7530_NUM_PORTS)
++ return -EINVAL;
++
++ pmsr = mt7530_r32(eth, 0x3008 + (0x100 * port));
++
++ link->link = pmsr & 1;
++ link->duplex = (pmsr >> 1) & 1;
++ speed = (pmsr >> 2) & 3;
++
++ switch (speed) {
++ case 0:
++ link->speed = SWITCH_PORT_SPEED_10;
++ break;
++ case 1:
++ link->speed = SWITCH_PORT_SPEED_100;
++ break;
++ case 2:
++ case 3: /* forced gige speed can be 2 or 3 */
++ link->speed = SWITCH_PORT_SPEED_1000;
++ break;
++ default:
++ link->speed = SWITCH_PORT_SPEED_UNKNOWN;
++ break;
++ }
++
++ return 0;
++}
++
++static const struct switch_attr mt7530_global[] = {
++ {
++ .type = SWITCH_TYPE_INT,
++ .name = "enable_vlan",
++ .description = "VLAN mode (1:enabled)",
++ .max = 1,
++ .id = MT7530_ATTR_ENABLE_VLAN,
++ .get = mt7530_get_vlan_enable,
++ .set = mt7530_set_vlan_enable,
++ },
++};
++
++static u64 get_mib_counter(struct mt7530_priv *eth, int i, int port)
++{
++ unsigned int port_base;
++ u64 t;
++
++ port_base = MT7621_MIB_COUNTER_BASE +
++ MT7621_MIB_COUNTER_PORT_OFFSET * port;
++
++ t = mt7530_r32(eth, port_base + mt7621_mibs[i].offset);
++ if (mt7621_mibs[i].size == 2) {
++ u64 hi;
++
++ hi = mt7530_r32(eth, port_base + mt7621_mibs[i].offset + 4);
++ t |= hi << 32;
++ }
++
++ return t;
++}
++
++static int mt7621_sw_get_port_mib(struct switch_dev *dev,
++ const struct switch_attr *attr,
++ struct switch_val *val)
++{
++ static char buf[4096];
++ struct mt7530_priv *eth = container_of(dev, struct mt7530_priv, swdev);
++ int i, len = 0;
++
++ if (val->port_vlan >= MT7530_NUM_PORTS)
++ return -EINVAL;
++
++ len += snprintf(buf + len, sizeof(buf) - len,
++ "Port %d MIB counters\n", val->port_vlan);
++
++ for (i = 0; i < sizeof(mt7621_mibs) / sizeof(*mt7621_mibs); ++i) {
++ u64 counter;
++ len += snprintf(buf + len, sizeof(buf) - len,
++ "%-11s: ", mt7621_mibs[i].name);
++ counter = get_mib_counter(eth, i, val->port_vlan);
++ len += snprintf(buf + len, sizeof(buf) - len, "%llu\n",
++ counter);
++ }
++
++ val->value.s = buf;
++ val->len = len;
++ return 0;
++}
++
++static const struct switch_attr mt7621_port[] = {
++ {
++ .type = SWITCH_TYPE_STRING,
++ .name = "mib",
++ .description = "Get MIB counters for port",
++ .get = mt7621_sw_get_port_mib,
++ .set = NULL,
++ },
++};
++
++static const struct switch_attr mt7530_port[] = {
++};
++
++static const struct switch_attr mt7530_vlan[] = {
++ {
++ .type = SWITCH_TYPE_INT,
++ .name = "vid",
++ .description = "VLAN ID (0-4094)",
++ .set = mt7530_set_vid,
++ .get = mt7530_get_vid,
++ .max = 4094,
++ },
++};
++
++static const struct switch_dev_ops mt7621_ops = {
++ .attr_global = {
++ .attr = mt7530_global,
++ .n_attr = ARRAY_SIZE(mt7530_global),
++ },
++/* .attr_port = {
++ .attr = mt7621_port,
++ .n_attr = ARRAY_SIZE(mt7621_port),
++ },*/
++ .attr_vlan = {
++ .attr = mt7530_vlan,
++ .n_attr = ARRAY_SIZE(mt7530_vlan),
++ },
++ .get_vlan_ports = mt7530_get_vlan_ports,
++ .set_vlan_ports = mt7530_set_vlan_ports,
++ .get_port_pvid = mt7530_get_port_pvid,
++ .set_port_pvid = mt7530_set_port_pvid,
++ .get_port_link = mt7530_get_port_link,
++ .apply_config = mt7530_apply_config,
++ .reset_switch = mt7530_reset_switch,
++};
++
++static const struct switch_dev_ops mt7530_ops = {
++ .attr_global = {
++ .attr = mt7530_global,
++ .n_attr = ARRAY_SIZE(mt7530_global),
++ },
++ .attr_port = {
++ .attr = mt7530_port,
++ .n_attr = ARRAY_SIZE(mt7530_port),
++ },
++ .attr_vlan = {
++ .attr = mt7530_vlan,
++ .n_attr = ARRAY_SIZE(mt7530_vlan),
++ },
++ .get_vlan_ports = mt7530_get_vlan_ports,
++ .set_vlan_ports = mt7530_set_vlan_ports,
++ .get_port_pvid = mt7530_get_port_pvid,
++ .set_port_pvid = mt7530_set_port_pvid,
++ .get_port_link = mt7530_get_port_link,
++ .apply_config = mt7530_apply_config,
++ .reset_switch = mt7530_reset_switch,
++};
++
++int
++mt7530_probe(struct device *dev, void __iomem *base, struct mii_bus *bus, int vlan)
++{
++ struct switch_dev *swdev;
++ struct mt7530_priv *mt7530;
++ struct mt7530_mapping *map;
++ int ret;
++
++ mt7530 = devm_kzalloc(dev, sizeof(struct mt7530_priv), GFP_KERNEL);
++ if (!mt7530)
++ return -ENOMEM;
++
++ mt7530->base = base;
++ mt7530->bus = bus;
++ mt7530->global_vlan_enable = vlan;
++
++ swdev = &mt7530->swdev;
++ if (bus) {
++ swdev->alias = "mt7530";
++ swdev->name = "mt7530";
++ } else if (IS_ENABLED(CONFIG_MACH_MT7623)) {
++ swdev->alias = "mt7623";
++ swdev->name = "mt7623";
++ } else if (IS_ENABLED(CONFIG_SOC_MT7621)) {
++ swdev->alias = "mt7621";
++ swdev->name = "mt7621";
++ } else {
++ swdev->alias = "mt7620";
++ swdev->name = "mt7620";
++ }
++ swdev->cpu_port = MT7530_CPU_PORT;
++ swdev->ports = MT7530_NUM_PORTS;
++ swdev->vlans = MT7530_NUM_VLANS;
++ if (IS_ENABLED(CONFIG_SOC_MT7621) || IS_ENABLED(CONFIG_MACH_MT7623))
++ swdev->ops = &mt7621_ops;
++ else
++ swdev->ops = &mt7530_ops;
++
++ ret = register_switch(swdev, NULL);
++ if (ret) {
++ dev_err(dev, "failed to register mt7530\n");
++ return ret;
++ }
++
++ mt7530_reset_switch(swdev);
++
++ 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) || IS_ENABLED(CONFIG_MACH_MT7623)) && bus && mt7530_r32(mt7530, REG_HWTRAP) != 0x1117edf) {
++ dev_info(dev, "fixing up MHWTRAP register - bootloader probably played with it\n");
++ mt7530_w32(mt7530, REG_HWTRAP, 0x1117edf);
++ }
++ dev_info(dev, "loaded %s driver\n", swdev->name);
++
++ return 0;
++}
+diff --git a/drivers/net/ethernet/mediatek/mt7530.h b/drivers/net/ethernet/mediatek/mt7530.h
+new file mode 100644
+index 0000000..1fc8c62
+--- /dev/null
++++ b/drivers/net/ethernet/mediatek/mt7530.h
+@@ -0,0 +1,20 @@
++/*
++ * This program is free software; you can redistribute it and/or
++ * modify it under the terms of the GNU General Public License
++ * as published by the Free Software Foundation; either version 2
++ * of the License, or (at your option) any later version.
++ *
++ * This program is distributed in the hope that it will be useful,
++ * but WITHOUT ANY WARRANTY; without even the implied warranty of
++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
++ * GNU General Public License for more details.
++ *
++ * Copyright (C) 2013 John Crispin <blogic@openwrt.org>
++ */
++
++#ifndef _MT7530_H__
++#define _MT7530_H__
++
++int mt7530_probe(struct device *dev, void __iomem *base, struct mii_bus *bus, int vlan);
++
++#endif
+diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+index b5e364c..eee4324a 100644
+--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
++++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+@@ -24,6 +24,9 @@
+
+ #include "mtk_eth_soc.h"
+
++/* the callback used by the driver core to bringup the switch */
++int mtk_gsw_init(struct mtk_eth *eth);
++
+ static int mtk_msg_level = -1;
+ module_param_named(msg_level, mtk_msg_level, int, 0);
+ MODULE_PARM_DESC(msg_level, "Message level (-1=defaults,0=none,...,16=all)");
+@@ -69,7 +72,7 @@ static int mtk_mdio_busy_wait(struct mtk_eth *eth)
+ return 0;
+ if (time_after(jiffies, t_start + PHY_IAC_TIMEOUT))
+ break;
+- usleep_range(10, 20);
++// usleep_range(10, 20);
+ }
+
+ dev_err(eth->dev, "mdio: MDIO timeout\n");
+@@ -1407,15 +1410,6 @@ static int __init mtk_hw_init(struct mtk_eth *eth)
+ reset_control_deassert(eth->rstc);
+ usleep_range(10, 20);
+
+- /* Set GE2 driving and slew rate */
+- regmap_write(eth->pctl, GPIO_DRV_SEL10, 0xa00);
+-
+- /* set GE2 TDSEL */
+- regmap_write(eth->pctl, GPIO_OD33_CTRL8, 0x5);
+-
+- /* set GE2 TUNE */
+- regmap_write(eth->pctl, GPIO_BIAS_CTRL, 0x0);
+-
+ /* GE1, Force 1000M/FD, FC ON */
+ mtk_w32(eth, MAC_MCR_FIXED_LINK, MTK_MAC_MCR(0));
+
+@@ -1438,6 +1432,8 @@ static int __init mtk_hw_init(struct mtk_eth *eth)
+ if (err)
+ return err;
+
++ mtk_gsw_init(eth);
++
+ /* disable delay and normal interrupt */
+ mtk_w32(eth, 0, MTK_QDMA_DELAY_INT);
+ mtk_irq_disable(eth, MTK_TX_DONE_INT | MTK_RX_DONE_INT);
+@@ -1465,6 +1461,8 @@ static int __init mtk_hw_init(struct mtk_eth *eth)
+ mtk_w32(eth, val, MTK_GDMA_FWD_CFG(i));
+ }
+
++ mt7623_gsw_config(eth);
++
+ return 0;
+ }
+
+@@ -1720,7 +1718,7 @@ static int mtk_add_mac(struct mtk_eth *eth, struct device_node *np)
+ {
+ struct mtk_mac *mac;
+ const __be32 *_id = of_get_property(np, "reg", NULL);
+- int id, err;
++ int id;
+
+ if (!_id) {
+ dev_err(eth->dev, "missing mac id\n");
+@@ -1754,8 +1752,8 @@ static int mtk_add_mac(struct mtk_eth *eth, struct device_node *np)
+ GFP_KERNEL);
+ if (!mac->hw_stats) {
+ dev_err(eth->dev, "failed to allocate counter memory\n");
+- err = -ENOMEM;
+- goto free_netdev;
++ free_netdev(eth->netdev[id]);
++ return -ENOMEM;
+ }
+ spin_lock_init(&mac->hw_stats->stats_lock);
+ mac->hw_stats->reg_offset = id * MTK_STAT_OFFSET;
+@@ -1769,21 +1767,9 @@ static int mtk_add_mac(struct mtk_eth *eth, struct device_node *np)
+ eth->netdev[id]->features |= MTK_HW_FEATURES;
+ eth->netdev[id]->ethtool_ops = &mtk_ethtool_ops;
+
+- err = register_netdev(eth->netdev[id]);
+- if (err) {
+- dev_err(eth->dev, "error bringing up device\n");
+- goto free_netdev;
+- }
+ eth->netdev[id]->irq = eth->irq[0];
+- netif_info(eth, probe, eth->netdev[id],
+- "mediatek frame engine at 0x%08lx, irq %d\n",
+- eth->netdev[id]->base_addr, eth->irq[0]);
+
+ return 0;
+-
+-free_netdev:
+- free_netdev(eth->netdev[id]);
+- return err;
+ }
+
+ static int mtk_probe(struct platform_device *pdev)
+@@ -1851,14 +1837,13 @@ static int mtk_probe(struct platform_device *pdev)
+ clk_prepare_enable(eth->clk_gp1);
+ clk_prepare_enable(eth->clk_gp2);
+
++ eth->switch_np = of_parse_phandle(pdev->dev.of_node,
++ "mediatek,switch", 0);
++
+ eth->dev = &pdev->dev;
+ eth->msg_enable = netif_msg_init(mtk_msg_level, MTK_DEFAULT_MSG_ENABLE);
+ INIT_WORK(ð->pending_work, mtk_pending_work);
+
+- err = mtk_hw_init(eth);
+- if (err)
+- return err;
+-
+ for_each_child_of_node(pdev->dev.of_node, mac_np) {
+ if (!of_device_is_compatible(mac_np,
+ "mediatek,eth-mac"))
+@@ -1872,6 +1857,22 @@ static int mtk_probe(struct platform_device *pdev)
+ goto err_free_dev;
+ }
+
++ err = mtk_hw_init(eth);
++ if (err)
++ return err;
++
++ for (i = 0; i < MTK_MAX_DEVS; i++) {
++ if (!eth->netdev[i])
++ continue;
++ err = register_netdev(eth->netdev[i]);
++ if (err)
++ dev_err(eth->dev, "error bringing up device\n");
++ else
++ netif_info(eth, probe, eth->netdev[i],
++ "mediatek frame engine at 0x%08lx, irq %d\n",
++ eth->netdev[i]->base_addr, eth->irq[0]);
++ }
++
+ /* we run 2 devices on the same DMA ring so we need a dummy device
+ * for NAPI to work
+ */
+diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.h b/drivers/net/ethernet/mediatek/mtk_eth_soc.h
+index bf158f8..5093518 100644
+--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h
++++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h
+@@ -406,6 +406,8 @@ struct mtk_eth {
+ struct mii_bus *mii_bus;
+ struct work_struct pending_work;
+
++ struct device_node *switch_np;
++ void *sw_priv;
+ };
+
+ /* struct mtk_mac - the structure that holds the info about the MACs of the
+@@ -433,4 +435,6 @@ void mtk_stats_update_mac(struct mtk_mac *mac);
+ void mtk_w32(struct mtk_eth *eth, u32 val, unsigned reg);
+ u32 mtk_r32(struct mtk_eth *eth, unsigned reg);
+
++int mt7623_gsw_config(struct mtk_eth *eth);
++
+ #endif /* MTK_ETH_H */
+--
+1.7.10.4
+
projects / openwrt.git / blobdiff