diff options
Diffstat (limited to 'target/linux/mediatek/patches-4.4/0101-net-mediatek-add-gsw-mt7530-driver.patch')
| -rw-r--r-- | target/linux/mediatek/patches-4.4/0101-net-mediatek-add-gsw-mt7530-driver.patch | 2381 |
1 files changed, 2381 insertions, 0 deletions
diff --git a/target/linux/mediatek/patches-4.4/0101-net-mediatek-add-gsw-mt7530-driver.patch b/target/linux/mediatek/patches-4.4/0101-net-mediatek-add-gsw-mt7530-driver.patch new file mode 100644 index 0000000000..bb15a2ca47 --- /dev/null +++ b/target/linux/mediatek/patches-4.4/0101-net-mediatek-add-gsw-mt7530-driver.patch @@ -0,0 +1,2381 @@ +From 6b8a7257e7bcb56782c3f8048311670fe6a80209 Mon Sep 17 00:00:00 2001 +From: John Crispin <blogic@openwrt.org> +Date: Mon, 11 Apr 2016 03:11:54 +0200 +Subject: [PATCH 101/102] 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 | 1084 +++++++++++++++++++++++++++ + 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 | 5 + + 7 files changed, 2199 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@nbd.name> ++ * 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..0c6b8a6 +--- /dev/null ++++ b/drivers/net/ethernet/mediatek/gsw_mt7623.c +@@ -0,0 +1,1084 @@ ++/* 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@nbd.name> ++ * 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; ++ ++ regmap_write(gsw->ethsys, 0x34, 0x800000); ++ regmap_write(gsw->ethsys, 0x34, 0x0); ++ ++ 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 70e961c..7788ba6 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"); +@@ -1421,15 +1424,6 @@ 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)); + +@@ -1452,6 +1446,8 @@ 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, ~0); +@@ -1479,6 +1475,8 @@ 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; + } + +@@ -1734,7 +1732,7 @@ 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"); +@@ -1768,8 +1766,8 @@ 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; +@@ -1783,21 +1781,9 @@ 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) +@@ -1865,14 +1851,13 @@ 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")) +@@ -1886,6 +1871,22 @@ 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 e39da72..75692cc 100644 +--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h ++++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h +@@ -407,6 +407,9 @@ struct mtk_eth { + struct clk *clk_gp2; + 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 +@@ -434,4 +437,6 @@ 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 + |