diff options
Diffstat (limited to 'target/linux/mediatek/files/drivers/net/phy/mtk/mt753x/mt7530.c')
-rw-r--r-- | target/linux/mediatek/files/drivers/net/phy/mtk/mt753x/mt7530.c | 631 |
1 files changed, 0 insertions, 631 deletions
diff --git a/target/linux/mediatek/files/drivers/net/phy/mtk/mt753x/mt7530.c b/target/linux/mediatek/files/drivers/net/phy/mtk/mt753x/mt7530.c deleted file mode 100644 index 6a94d0d2f4..0000000000 --- a/target/linux/mediatek/files/drivers/net/phy/mtk/mt753x/mt7530.c +++ /dev/null @@ -1,631 +0,0 @@ -// 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 -}; |