+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Copyright (c) 2018 MediaTek Inc.
- * Author: Weijie Gao <weijie.gao@mediatek.com>
- */
-
-#include <linux/kernel.h>
-#include <linux/delay.h>
-
-#include "mt753x.h"
-#include "mt753x_regs.h"
-
-/* MT7530 registers */
-
-/* Unique fields of PMCR for MT7530 */
-#define FORCE_MODE BIT(15)
-
-/* Unique fields of GMACCR for MT7530 */
-#define VLAN_SUPT_NO_S 14
-#define VLAN_SUPT_NO_M 0x1c000
-#define LATE_COL_DROP BIT(13)
-
-/* Unique fields of (M)HWSTRAP for MT7530 */
-#define BOND_OPTION BIT(24)
-#define P5_PHY0_SEL BIT(20)
-#define CHG_TRAP BIT(16)
-#define LOOPDET_DIS BIT(14)
-#define P5_INTF_SEL_GMAC5 BIT(13)
-#define SMI_ADDR_S 11
-#define SMI_ADDR_M 0x1800
-#define XTAL_FSEL_S 9
-#define XTAL_FSEL_M 0x600
-#define P6_INTF_DIS BIT(8)
-#define P5_INTF_MODE_RGMII BIT(7)
-#define P5_INTF_DIS_S BIT(6)
-#define C_MDIO_BPS_S BIT(5)
-#define EEPROM_EN_S BIT(4)
-
-/* PHY EEE Register bitmap of define */
-#define PHY_DEV07 0x07
-#define PHY_DEV07_REG_03C 0x3c
-
-/* PHY Extend Register 0x14 bitmap of define */
-#define PHY_EXT_REG_14 0x14
-
-/* Fields of PHY_EXT_REG_14 */
-#define PHY_EN_DOWN_SHFIT BIT(4)
-
-/* PHY Token Ring Register 0x10 bitmap of define */
-#define PHY_TR_REG_10 0x10
-
-/* PHY Token Ring Register 0x12 bitmap of define */
-#define PHY_TR_REG_12 0x12
-
-/* PHY LPI PCS/DSP Control Register bitmap of define */
-#define PHY_LPI_REG_11 0x11
-
-/* PHY DEV 0x1e Register bitmap of define */
-#define PHY_DEV1E 0x1e
-#define PHY_DEV1E_REG_123 0x123
-#define PHY_DEV1E_REG_A6 0xa6
-
-/* Values of XTAL_FSEL */
-#define XTAL_20MHZ 1
-#define XTAL_40MHZ 2
-#define XTAL_25MHZ 3
-
-#define P6ECR 0x7830
-#define P6_INTF_MODE_TRGMII BIT(0)
-
-#define TRGMII_TXCTRL 0x7a40
-#define TRAIN_TXEN BIT(31)
-#define TXC_INV BIT(30)
-#define TX_DOEO BIT(29)
-#define TX_RST BIT(28)
-
-#define TRGMII_TD0_CTRL 0x7a50
-#define TRGMII_TD1_CTRL 0x7a58
-#define TRGMII_TD2_CTRL 0x7a60
-#define TRGMII_TD3_CTRL 0x7a68
-#define TRGMII_TXCTL_CTRL 0x7a70
-#define TRGMII_TCK_CTRL 0x7a78
-#define TRGMII_TD_CTRL(n) (0x7a50 + (n) * 8)
-#define NUM_TRGMII_CTRL 6
-#define TX_DMPEDRV BIT(31)
-#define TX_DM_SR BIT(15)
-#define TX_DMERODT BIT(14)
-#define TX_DMOECTL BIT(13)
-#define TX_TAP_S 8
-#define TX_TAP_M 0xf00
-#define TX_TRAIN_WD_S 0
-#define TX_TRAIN_WD_M 0xff
-
-#define TRGMII_TD0_ODT 0x7a54
-#define TRGMII_TD1_ODT 0x7a5c
-#define TRGMII_TD2_ODT 0x7a64
-#define TRGMII_TD3_ODT 0x7a6c
-#define TRGMII_TXCTL_ODT 0x7574
-#define TRGMII_TCK_ODT 0x757c
-#define TRGMII_TD_ODT(n) (0x7a54 + (n) * 8)
-#define NUM_TRGMII_ODT 6
-#define TX_DM_DRVN_PRE_S 30
-#define TX_DM_DRVN_PRE_M 0xc0000000
-#define TX_DM_DRVP_PRE_S 28
-#define TX_DM_DRVP_PRE_M 0x30000000
-#define TX_DM_TDSEL_S 24
-#define TX_DM_TDSEL_M 0xf000000
-#define TX_ODTEN BIT(23)
-#define TX_DME_PRE BIT(20)
-#define TX_DM_DRVNT0 BIT(19)
-#define TX_DM_DRVPT0 BIT(18)
-#define TX_DM_DRVNTE BIT(17)
-#define TX_DM_DRVPTE BIT(16)
-#define TX_DM_ODTN_S 12
-#define TX_DM_ODTN_M 0x7000
-#define TX_DM_ODTP_S 8
-#define TX_DM_ODTP_M 0x700
-#define TX_DM_DRVN_S 4
-#define TX_DM_DRVN_M 0xf0
-#define TX_DM_DRVP_S 0
-#define TX_DM_DRVP_M 0x0f
-
-#define P5RGMIIRXCR 0x7b00
-#define CSR_RGMII_RCTL_CFG_S 24
-#define CSR_RGMII_RCTL_CFG_M 0x7000000
-#define CSR_RGMII_RXD_CFG_S 16
-#define CSR_RGMII_RXD_CFG_M 0x70000
-#define CSR_RGMII_EDGE_ALIGN BIT(8)
-#define CSR_RGMII_RXC_90DEG_CFG_S 4
-#define CSR_RGMII_RXC_90DEG_CFG_M 0xf0
-#define CSR_RGMII_RXC_0DEG_CFG_S 0
-#define CSR_RGMII_RXC_0DEG_CFG_M 0x0f
-
-#define P5RGMIITXCR 0x7b04
-#define CSR_RGMII_TXEN_CFG_S 16
-#define CSR_RGMII_TXEN_CFG_M 0x70000
-#define CSR_RGMII_TXD_CFG_S 8
-#define CSR_RGMII_TXD_CFG_M 0x700
-#define CSR_RGMII_TXC_CFG_S 0
-#define CSR_RGMII_TXC_CFG_M 0x1f
-
-#define CHIP_REV 0x7ffc
-#define CHIP_NAME_S 16
-#define CHIP_NAME_M 0xffff0000
-#define CHIP_REV_S 0
-#define CHIP_REV_M 0x0f
-
-/* MMD registers */
-#define CORE_PLL_GROUP2 0x401
-#define RG_SYSPLL_EN_NORMAL BIT(15)
-#define RG_SYSPLL_VODEN BIT(14)
-#define RG_SYSPLL_POSDIV_S 5
-#define RG_SYSPLL_POSDIV_M 0x60
-
-#define CORE_PLL_GROUP4 0x403
-#define RG_SYSPLL_DDSFBK_EN BIT(12)
-#define RG_SYSPLL_BIAS_EN BIT(11)
-#define RG_SYSPLL_BIAS_LPF_EN BIT(10)
-
-#define CORE_PLL_GROUP5 0x404
-#define RG_LCDDS_PCW_NCPO1_S 0
-#define RG_LCDDS_PCW_NCPO1_M 0xffff
-
-#define CORE_PLL_GROUP6 0x405
-#define RG_LCDDS_PCW_NCPO0_S 0
-#define RG_LCDDS_PCW_NCPO0_M 0xffff
-
-#define CORE_PLL_GROUP7 0x406
-#define RG_LCDDS_PWDB BIT(15)
-#define RG_LCDDS_ISO_EN BIT(13)
-#define RG_LCCDS_C_S 4
-#define RG_LCCDS_C_M 0x70
-#define RG_LCDDS_PCW_NCPO_CHG BIT(3)
-
-#define CORE_PLL_GROUP10 0x409
-#define RG_LCDDS_SSC_DELTA_S 0
-#define RG_LCDDS_SSC_DELTA_M 0xfff
-
-#define CORE_PLL_GROUP11 0x40a
-#define RG_LCDDS_SSC_DELTA1_S 0
-#define RG_LCDDS_SSC_DELTA1_M 0xfff
-
-#define CORE_GSWPLL_GCR_1 0x040d
-#define GSWPLL_PREDIV_S 14
-#define GSWPLL_PREDIV_M 0xc000
-#define GSWPLL_POSTDIV_200M_S 12
-#define GSWPLL_POSTDIV_200M_M 0x3000
-#define GSWPLL_EN_PRE BIT(11)
-#define GSWPLL_FBKSEL BIT(10)
-#define GSWPLL_BP BIT(9)
-#define GSWPLL_BR BIT(8)
-#define GSWPLL_FBKDIV_200M_S 0
-#define GSWPLL_FBKDIV_200M_M 0xff
-
-#define CORE_GSWPLL_GCR_2 0x040e
-#define GSWPLL_POSTDIV_500M_S 8
-#define GSWPLL_POSTDIV_500M_M 0x300
-#define GSWPLL_FBKDIV_500M_S 0
-#define GSWPLL_FBKDIV_500M_M 0xff
-
-#define TRGMII_GSW_CLK_CG 0x0410
-#define TRGMIICK_EN BIT(1)
-#define GSWCK_EN BIT(0)
-
-static int mt7530_mii_read(struct gsw_mt753x *gsw, int phy, int reg)
-{
- if (phy < MT753X_NUM_PHYS)
- phy = (gsw->phy_base + phy) & MT753X_SMI_ADDR_MASK;
-
- return mdiobus_read(gsw->host_bus, phy, reg);
-}
-
-static void mt7530_mii_write(struct gsw_mt753x *gsw, int phy, int reg, u16 val)
-{
- if (phy < MT753X_NUM_PHYS)
- phy = (gsw->phy_base + phy) & MT753X_SMI_ADDR_MASK;
-
- mdiobus_write(gsw->host_bus, phy, reg, val);
-}
-
-static int mt7530_mmd_read(struct gsw_mt753x *gsw, int addr, int devad, u16 reg)
-{
- u16 val;
-
- if (addr < MT753X_NUM_PHYS)
- addr = (gsw->phy_base + addr) & MT753X_SMI_ADDR_MASK;
-
- mutex_lock(&gsw->host_bus->mdio_lock);
-
- gsw->host_bus->write(gsw->host_bus, addr, MII_MMD_ACC_CTL_REG,
- (MMD_ADDR << MMD_CMD_S) |
- ((devad << MMD_DEVAD_S) & MMD_DEVAD_M));
-
- gsw->host_bus->write(gsw->host_bus, addr, MII_MMD_ADDR_DATA_REG, reg);
-
- gsw->host_bus->write(gsw->host_bus, addr, MII_MMD_ACC_CTL_REG,
- (MMD_DATA << MMD_CMD_S) |
- ((devad << MMD_DEVAD_S) & MMD_DEVAD_M));
-
- val = gsw->host_bus->read(gsw->host_bus, addr, MII_MMD_ADDR_DATA_REG);
-
- mutex_unlock(&gsw->host_bus->mdio_lock);
-
- return val;
-}
-
-static void mt7530_mmd_write(struct gsw_mt753x *gsw, int addr, int devad,
- u16 reg, u16 val)
-{
- if (addr < MT753X_NUM_PHYS)
- addr = (gsw->phy_base + addr) & MT753X_SMI_ADDR_MASK;
-
- mutex_lock(&gsw->host_bus->mdio_lock);
-
- gsw->host_bus->write(gsw->host_bus, addr, MII_MMD_ACC_CTL_REG,
- (MMD_ADDR << MMD_CMD_S) |
- ((devad << MMD_DEVAD_S) & MMD_DEVAD_M));
-
- gsw->host_bus->write(gsw->host_bus, addr, MII_MMD_ADDR_DATA_REG, reg);
-
- gsw->host_bus->write(gsw->host_bus, addr, MII_MMD_ACC_CTL_REG,
- (MMD_DATA << MMD_CMD_S) |
- ((devad << MMD_DEVAD_S) & MMD_DEVAD_M));
-
- gsw->host_bus->write(gsw->host_bus, addr, MII_MMD_ADDR_DATA_REG, val);
-
- mutex_unlock(&gsw->host_bus->mdio_lock);
-}
-
-static void mt7530_core_reg_write(struct gsw_mt753x *gsw, u32 reg, u32 val)
-{
- gsw->mmd_write(gsw, 0, 0x1f, reg, val);
-}
-
-static void mt7530_trgmii_setting(struct gsw_mt753x *gsw)
-{
- u16 i;
-
- mt7530_core_reg_write(gsw, CORE_PLL_GROUP5, 0x0780);
- mdelay(1);
- mt7530_core_reg_write(gsw, CORE_PLL_GROUP6, 0);
- mt7530_core_reg_write(gsw, CORE_PLL_GROUP10, 0x87);
- mdelay(1);
- mt7530_core_reg_write(gsw, CORE_PLL_GROUP11, 0x87);
-
- /* PLL BIAS enable */
- mt7530_core_reg_write(gsw, CORE_PLL_GROUP4,
- RG_SYSPLL_DDSFBK_EN | RG_SYSPLL_BIAS_EN);
- mdelay(1);
-
- /* PLL LPF enable */
- mt7530_core_reg_write(gsw, CORE_PLL_GROUP4,
- RG_SYSPLL_DDSFBK_EN |
- RG_SYSPLL_BIAS_EN | RG_SYSPLL_BIAS_LPF_EN);
-
- /* sys PLL enable */
- mt7530_core_reg_write(gsw, CORE_PLL_GROUP2,
- RG_SYSPLL_EN_NORMAL | RG_SYSPLL_VODEN |
- (1 << RG_SYSPLL_POSDIV_S));
-
- /* LCDDDS PWDS */
- mt7530_core_reg_write(gsw, CORE_PLL_GROUP7,
- (3 << RG_LCCDS_C_S) |
- RG_LCDDS_PWDB | RG_LCDDS_ISO_EN);
- mdelay(1);
-
- /* Enable MT7530 TRGMII clock */
- mt7530_core_reg_write(gsw, TRGMII_GSW_CLK_CG, GSWCK_EN | TRGMIICK_EN);
-
- /* lower Tx Driving */
- for (i = 0 ; i < NUM_TRGMII_ODT; i++)
- mt753x_reg_write(gsw, TRGMII_TD_ODT(i),
- (4 << TX_DM_DRVP_S) | (4 << TX_DM_DRVN_S));
-}
-
-static void mt7530_rgmii_setting(struct gsw_mt753x *gsw)
-{
- u32 val;
-
- mt7530_core_reg_write(gsw, CORE_PLL_GROUP5, 0x0c80);
- mdelay(1);
- mt7530_core_reg_write(gsw, CORE_PLL_GROUP6, 0);
- mt7530_core_reg_write(gsw, CORE_PLL_GROUP10, 0x87);
- mdelay(1);
- mt7530_core_reg_write(gsw, CORE_PLL_GROUP11, 0x87);
-
- val = mt753x_reg_read(gsw, TRGMII_TXCTRL);
- val &= ~TXC_INV;
- mt753x_reg_write(gsw, TRGMII_TXCTRL, val);
-
- mt753x_reg_write(gsw, TRGMII_TCK_CTRL,
- (8 << TX_TAP_S) | (0x55 << TX_TRAIN_WD_S));
-}
-
-static int mt7530_mac_port_setup(struct gsw_mt753x *gsw)
-{
- u32 hwstrap, p6ecr = 0, p5mcr, p6mcr, phyad;
-
- hwstrap = mt753x_reg_read(gsw, MHWSTRAP);
- hwstrap &= ~(P6_INTF_DIS | P5_INTF_MODE_RGMII | P5_INTF_DIS_S);
- hwstrap |= P5_INTF_SEL_GMAC5;
- if (!gsw->port5_cfg.enabled) {
- p5mcr = FORCE_MODE;
- hwstrap |= P5_INTF_DIS_S;
- } else {
- p5mcr = (IPG_96BIT_WITH_SHORT_IPG << IPG_CFG_S) |
- MAC_MODE | MAC_TX_EN | MAC_RX_EN |
- BKOFF_EN | BACKPR_EN;
-
- if (gsw->port5_cfg.force_link) {
- p5mcr |= FORCE_MODE | FORCE_LINK | FORCE_RX_FC |
- FORCE_TX_FC;
- p5mcr |= gsw->port5_cfg.speed << FORCE_SPD_S;
-
- if (gsw->port5_cfg.duplex)
- p5mcr |= FORCE_DPX;
- }
-
- switch (gsw->port5_cfg.phy_mode) {
- case PHY_INTERFACE_MODE_MII:
- case PHY_INTERFACE_MODE_GMII:
- break;
- case PHY_INTERFACE_MODE_RGMII:
- hwstrap |= P5_INTF_MODE_RGMII;
- break;
- default:
- dev_info(gsw->dev, "%s is not supported by port5\n",
- phy_modes(gsw->port5_cfg.phy_mode));
- p5mcr = FORCE_MODE;
- hwstrap |= P5_INTF_DIS_S;
- }
-
- /* Port5 to PHY direct mode */
- if (of_property_read_u32(gsw->port5_cfg.np, "phy-address",
- &phyad))
- goto parse_p6;
-
- if (phyad != 0 && phyad != 4) {
- dev_info(gsw->dev,
- "Only PHY 0/4 can be connected to Port 5\n");
- goto parse_p6;
- }
-
- hwstrap &= ~P5_INTF_SEL_GMAC5;
- if (phyad == 0)
- hwstrap |= P5_PHY0_SEL;
- else
- hwstrap &= ~P5_PHY0_SEL;
- }
-
-parse_p6:
- if (!gsw->port6_cfg.enabled) {
- p6mcr = FORCE_MODE;
- hwstrap |= P6_INTF_DIS;
- } else {
- p6mcr = (IPG_96BIT_WITH_SHORT_IPG << IPG_CFG_S) |
- MAC_MODE | MAC_TX_EN | MAC_RX_EN |
- BKOFF_EN | BACKPR_EN;
-
- if (gsw->port6_cfg.force_link) {
- p6mcr |= FORCE_MODE | FORCE_LINK | FORCE_RX_FC |
- FORCE_TX_FC;
- p6mcr |= gsw->port6_cfg.speed << FORCE_SPD_S;
-
- if (gsw->port6_cfg.duplex)
- p6mcr |= FORCE_DPX;
- }
-
- switch (gsw->port6_cfg.phy_mode) {
- case PHY_INTERFACE_MODE_RGMII:
- p6ecr = BIT(1);
- break;
- case PHY_INTERFACE_MODE_TRGMII:
- /* set MT7530 central align */
- p6ecr = BIT(0);
- break;
- default:
- dev_info(gsw->dev, "%s is not supported by port6\n",
- phy_modes(gsw->port6_cfg.phy_mode));
- p6mcr = FORCE_MODE;
- hwstrap |= P6_INTF_DIS;
- }
- }
-
- mt753x_reg_write(gsw, MHWSTRAP, hwstrap);
- mt753x_reg_write(gsw, P6ECR, p6ecr);
-
- mt753x_reg_write(gsw, PMCR(5), p5mcr);
- mt753x_reg_write(gsw, PMCR(6), p6mcr);
-
- return 0;
-}
-
-static void mt7530_core_pll_setup(struct gsw_mt753x *gsw)
-{
- u32 hwstrap;
-
- hwstrap = mt753x_reg_read(gsw, HWSTRAP);
-
- switch ((hwstrap & XTAL_FSEL_M) >> XTAL_FSEL_S) {
- case XTAL_40MHZ:
- /* Disable MT7530 core clock */
- mt7530_core_reg_write(gsw, TRGMII_GSW_CLK_CG, 0);
-
- /* disable MT7530 PLL */
- mt7530_core_reg_write(gsw, CORE_GSWPLL_GCR_1,
- (2 << GSWPLL_POSTDIV_200M_S) |
- (32 << GSWPLL_FBKDIV_200M_S));
-
- /* For MT7530 core clock = 500Mhz */
- mt7530_core_reg_write(gsw, CORE_GSWPLL_GCR_2,
- (1 << GSWPLL_POSTDIV_500M_S) |
- (25 << GSWPLL_FBKDIV_500M_S));
-
- /* Enable MT7530 PLL */
- mt7530_core_reg_write(gsw, CORE_GSWPLL_GCR_1,
- (2 << GSWPLL_POSTDIV_200M_S) |
- (32 << GSWPLL_FBKDIV_200M_S) |
- GSWPLL_EN_PRE);
-
- usleep_range(20, 40);
-
- /* Enable MT7530 core clock */
- mt7530_core_reg_write(gsw, TRGMII_GSW_CLK_CG, GSWCK_EN);
- break;
- default:
- /* TODO: PLL settings for 20/25MHz */
- break;
- }
-
- hwstrap = mt753x_reg_read(gsw, HWSTRAP);
- hwstrap |= CHG_TRAP;
- if (gsw->direct_phy_access)
- hwstrap &= ~C_MDIO_BPS_S;
- else
- hwstrap |= C_MDIO_BPS_S;
-
- mt753x_reg_write(gsw, MHWSTRAP, hwstrap);
-
- if (gsw->port6_cfg.enabled &&
- gsw->port6_cfg.phy_mode == PHY_INTERFACE_MODE_TRGMII) {
- mt7530_trgmii_setting(gsw);
- } else {
- /* RGMII */
- mt7530_rgmii_setting(gsw);
- }
-
- /* delay setting for 10/1000M */
- mt753x_reg_write(gsw, P5RGMIIRXCR,
- CSR_RGMII_EDGE_ALIGN |
- (2 << CSR_RGMII_RXC_0DEG_CFG_S));
- mt753x_reg_write(gsw, P5RGMIITXCR, 0x14 << CSR_RGMII_TXC_CFG_S);
-}
-
-static int mt7530_sw_detect(struct gsw_mt753x *gsw, struct chip_rev *crev)
-{
- u32 rev;
-
- rev = mt753x_reg_read(gsw, CHIP_REV);
-
- if (((rev & CHIP_NAME_M) >> CHIP_NAME_S) == MT7530) {
- if (crev) {
- crev->rev = rev & CHIP_REV_M;
- crev->name = "MT7530";
- }
-
- return 0;
- }
-
- return -ENODEV;
-}
-
-static void mt7530_phy_setting(struct gsw_mt753x *gsw)
-{
- int i;
- u32 val;
-
- for (i = 0; i < MT753X_NUM_PHYS; i++) {
- /* Disable EEE */
- gsw->mmd_write(gsw, i, PHY_DEV07, PHY_DEV07_REG_03C, 0);
-
- /* Enable HW auto downshift */
- gsw->mii_write(gsw, i, 0x1f, 0x1);
- val = gsw->mii_read(gsw, i, PHY_EXT_REG_14);
- val |= PHY_EN_DOWN_SHFIT;
- gsw->mii_write(gsw, i, PHY_EXT_REG_14, val);
-
- /* Increase SlvDPSready time */
- gsw->mii_write(gsw, i, 0x1f, 0x52b5);
- gsw->mii_write(gsw, i, PHY_TR_REG_10, 0xafae);
- gsw->mii_write(gsw, i, PHY_TR_REG_12, 0x2f);
- gsw->mii_write(gsw, i, PHY_TR_REG_10, 0x8fae);
-
- /* Increase post_update_timer */
- gsw->mii_write(gsw, i, 0x1f, 0x3);
- gsw->mii_write(gsw, i, PHY_LPI_REG_11, 0x4b);
- gsw->mii_write(gsw, i, 0x1f, 0);
-
- /* Adjust 100_mse_threshold */
- gsw->mmd_write(gsw, i, PHY_DEV1E, PHY_DEV1E_REG_123, 0xffff);
-
- /* Disable mcc */
- gsw->mmd_write(gsw, i, PHY_DEV1E, PHY_DEV1E_REG_A6, 0x300);
- }
-}
-
-static inline bool get_phy_access_mode(const struct device_node *np)
-{
- return of_property_read_bool(np, "mt7530,direct-phy-access");
-}
-
-static int mt7530_sw_init(struct gsw_mt753x *gsw)
-{
- int i;
- u32 val;
-
- gsw->direct_phy_access = get_phy_access_mode(gsw->dev->of_node);
-
- /* Force MT7530 to use (in)direct PHY access */
- val = mt753x_reg_read(gsw, HWSTRAP);
- val |= CHG_TRAP;
- if (gsw->direct_phy_access)
- val &= ~C_MDIO_BPS_S;
- else
- val |= C_MDIO_BPS_S;
- mt753x_reg_write(gsw, MHWSTRAP, val);
-
- /* Read PHY address base from HWSTRAP */
- gsw->phy_base = (((val & SMI_ADDR_M) >> SMI_ADDR_S) << 3) + 8;
- gsw->phy_base &= MT753X_SMI_ADDR_MASK;
-
- if (gsw->direct_phy_access) {
- gsw->mii_read = mt7530_mii_read;
- gsw->mii_write = mt7530_mii_write;
- gsw->mmd_read = mt7530_mmd_read;
- gsw->mmd_write = mt7530_mmd_write;
- } else {
- gsw->mii_read = mt753x_mii_read;
- gsw->mii_write = mt753x_mii_write;
- gsw->mmd_read = mt753x_mmd_ind_read;
- gsw->mmd_write = mt753x_mmd_ind_write;
- }
-
- for (i = 0; i < MT753X_NUM_PHYS; i++) {
- val = gsw->mii_read(gsw, i, MII_BMCR);
- val |= BMCR_PDOWN;
- gsw->mii_write(gsw, i, MII_BMCR, val);
- }
-
- /* Force MAC link down before reset */
- mt753x_reg_write(gsw, PMCR(5), FORCE_MODE);
- mt753x_reg_write(gsw, PMCR(6), FORCE_MODE);
-
- /* Switch soft reset */
- /* BUG: sw reset causes gsw int flooding */
- mt753x_reg_write(gsw, SYS_CTRL, SW_PHY_RST | SW_SYS_RST | SW_REG_RST);
- usleep_range(10, 20);
-
- /* global mac control settings configuration */
- mt753x_reg_write(gsw, GMACCR,
- LATE_COL_DROP | (15 << MTCC_LMT_S) |
- (2 << MAX_RX_JUMBO_S) | RX_PKT_LEN_MAX_JUMBO);
-
- mt7530_core_pll_setup(gsw);
- mt7530_mac_port_setup(gsw);
-
- return 0;
-}
-
-static int mt7530_sw_post_init(struct gsw_mt753x *gsw)
-{
- int i;
- u32 val;
-
- mt7530_phy_setting(gsw);
-
- for (i = 0; i < MT753X_NUM_PHYS; i++) {
- val = gsw->mii_read(gsw, i, MII_BMCR);
- val &= ~BMCR_PDOWN;
- gsw->mii_write(gsw, i, MII_BMCR, val);
- }
-
- return 0;
-}
-
-struct mt753x_sw_id mt7530_id = {
- .model = MT7530,
- .detect = mt7530_sw_detect,
- .init = mt7530_sw_init,
- .post_init = mt7530_sw_post_init
-};
projects / openwrt / staging / dedeckeh.git / blobdiff