| /* SPDX-License-Identifier: GPL-2.0 */ |
| /* |
| * Copyright (c) 2020 Synopsys, Inc. and/or its affiliates. |
| * Synopsys DesignWare XPCS helpers |
| * |
| * Author: Jose Abreu <Jose.Abreu@synopsys.com> |
| */ |
| |
| #include <linux/bits.h> |
| #include <linux/pcs/pcs-xpcs.h> |
| |
| /* Vendor regs access */ |
| #define DW_VENDOR BIT(15) |
| |
| /* VR_XS_PCS */ |
| #define DW_USXGMII_RST BIT(10) |
| #define DW_USXGMII_EN BIT(9) |
| #define DW_VR_XS_PCS_DIG_CTRL1 0x0000 |
| #define DW_VR_RST BIT(15) |
| #define DW_EN_VSMMD1 BIT(13) |
| #define DW_CL37_BP BIT(12) |
| #define DW_VR_XS_PCS_DIG_STS 0x0010 |
| #define DW_RXFIFO_ERR GENMASK(6, 5) |
| #define DW_PSEQ_ST GENMASK(4, 2) |
| #define DW_PSEQ_ST_GOOD FIELD_PREP(GENMASK(4, 2), 0x4) |
| |
| /* SR_MII */ |
| #define DW_USXGMII_FULL BIT(8) |
| #define DW_USXGMII_SS_MASK (BIT(13) | BIT(6) | BIT(5)) |
| #define DW_USXGMII_10000 (BIT(13) | BIT(6)) |
| #define DW_USXGMII_5000 (BIT(13) | BIT(5)) |
| #define DW_USXGMII_2500 (BIT(5)) |
| #define DW_USXGMII_1000 (BIT(6)) |
| #define DW_USXGMII_100 (BIT(13)) |
| #define DW_USXGMII_10 (0) |
| |
| /* SR_AN */ |
| #define DW_SR_AN_ADV1 0x10 |
| #define DW_SR_AN_ADV2 0x11 |
| #define DW_SR_AN_ADV3 0x12 |
| |
| /* Clause 73 Defines */ |
| /* AN_LP_ABL1 */ |
| #define DW_C73_PAUSE BIT(10) |
| #define DW_C73_ASYM_PAUSE BIT(11) |
| #define DW_C73_AN_ADV_SF 0x1 |
| /* AN_LP_ABL2 */ |
| #define DW_C73_1000KX BIT(5) |
| #define DW_C73_10000KX4 BIT(6) |
| #define DW_C73_10000KR BIT(7) |
| /* AN_LP_ABL3 */ |
| #define DW_C73_2500KX BIT(0) |
| #define DW_C73_5000KR BIT(1) |
| |
| /* Clause 37 Defines */ |
| /* VR MII MMD registers offsets */ |
| #define DW_VR_MII_MMD_CTRL 0x0000 |
| #define DW_VR_MII_MMD_STS 0x0001 |
| #define DW_VR_MII_MMD_STS_LINK_STS BIT(2) |
| #define DW_VR_MII_DIG_CTRL1 0x8000 |
| #define DW_VR_MII_AN_CTRL 0x8001 |
| #define DW_VR_MII_AN_INTR_STS 0x8002 |
| /* Enable 2.5G Mode */ |
| #define DW_VR_MII_DIG_CTRL1_2G5_EN BIT(2) |
| /* EEE Mode Control Register */ |
| #define DW_VR_MII_EEE_MCTRL0 0x8006 |
| #define DW_VR_MII_EEE_MCTRL1 0x800b |
| #define DW_VR_MII_DIG_CTRL2 0x80e1 |
| |
| /* VR_MII_DIG_CTRL1 */ |
| #define DW_VR_MII_DIG_CTRL1_MAC_AUTO_SW BIT(9) |
| #define DW_VR_MII_DIG_CTRL1_PHY_MODE_CTRL BIT(0) |
| |
| /* VR_MII_DIG_CTRL2 */ |
| #define DW_VR_MII_DIG_CTRL2_TX_POL_INV BIT(4) |
| #define DW_VR_MII_DIG_CTRL2_RX_POL_INV BIT(0) |
| |
| /* VR_MII_AN_CTRL */ |
| #define DW_VR_MII_AN_CTRL_8BIT BIT(8) |
| #define DW_VR_MII_AN_CTRL_TX_CONFIG_SHIFT 3 |
| #define DW_VR_MII_TX_CONFIG_MASK BIT(3) |
| #define DW_VR_MII_TX_CONFIG_PHY_SIDE_SGMII 0x1 |
| #define DW_VR_MII_TX_CONFIG_MAC_SIDE_SGMII 0x0 |
| #define DW_VR_MII_AN_CTRL_PCS_MODE_SHIFT 1 |
| #define DW_VR_MII_PCS_MODE_MASK GENMASK(2, 1) |
| #define DW_VR_MII_PCS_MODE_C37_1000BASEX 0x0 |
| #define DW_VR_MII_PCS_MODE_C37_SGMII 0x2 |
| #define DW_VR_MII_AN_INTR_EN BIT(0) |
| |
| /* VR_MII_AN_INTR_STS */ |
| #define DW_VR_MII_AN_STS_C37_ANCMPLT_INTR BIT(0) |
| #define DW_VR_MII_AN_STS_C37_ANSGM_FD BIT(1) |
| #define DW_VR_MII_AN_STS_C37_ANSGM_SP_SHIFT 2 |
| #define DW_VR_MII_AN_STS_C37_ANSGM_SP GENMASK(3, 2) |
| #define DW_VR_MII_C37_ANSGM_SP_10 0x0 |
| #define DW_VR_MII_C37_ANSGM_SP_100 0x1 |
| #define DW_VR_MII_C37_ANSGM_SP_1000 0x2 |
| #define DW_VR_MII_C37_ANSGM_SP_LNKSTS BIT(4) |
| |
| /* SR MII MMD Control defines */ |
| #define AN_CL37_EN BIT(12) /* Enable Clause 37 auto-nego */ |
| #define SGMII_SPEED_SS13 BIT(13) /* SGMII speed along with SS6 */ |
| #define SGMII_SPEED_SS6 BIT(6) /* SGMII speed along with SS13 */ |
| |
| /* SR MII MMD AN Advertisement defines */ |
| #define DW_HALF_DUPLEX BIT(6) |
| #define DW_FULL_DUPLEX BIT(5) |
| |
| /* VR MII EEE Control 0 defines */ |
| #define DW_VR_MII_EEE_LTX_EN BIT(0) /* LPI Tx Enable */ |
| #define DW_VR_MII_EEE_LRX_EN BIT(1) /* LPI Rx Enable */ |
| #define DW_VR_MII_EEE_TX_QUIET_EN BIT(2) /* Tx Quiet Enable */ |
| #define DW_VR_MII_EEE_RX_QUIET_EN BIT(3) /* Rx Quiet Enable */ |
| #define DW_VR_MII_EEE_TX_EN_CTRL BIT(4) /* Tx Control Enable */ |
| #define DW_VR_MII_EEE_RX_EN_CTRL BIT(7) /* Rx Control Enable */ |
| |
| #define DW_VR_MII_EEE_MULT_FACT_100NS_SHIFT 8 |
| #define DW_VR_MII_EEE_MULT_FACT_100NS GENMASK(11, 8) |
| |
| /* VR MII EEE Control 1 defines */ |
| #define DW_VR_MII_EEE_TRN_LPI BIT(0) /* Transparent Mode Enable */ |
| |
| #define DW_XPCS_INFO_DECLARE(_name, _pcs, _pma) \ |
| static const struct dw_xpcs_info _name = { .pcs = _pcs, .pma = _pma } |
| |
| int xpcs_read(struct dw_xpcs *xpcs, int dev, u32 reg); |
| int xpcs_write(struct dw_xpcs *xpcs, int dev, u32 reg, u16 val); |
| int xpcs_read_vpcs(struct dw_xpcs *xpcs, int reg); |
| int xpcs_write_vpcs(struct dw_xpcs *xpcs, int reg, u16 val); |
| int nxp_sja1105_sgmii_pma_config(struct dw_xpcs *xpcs); |
| int nxp_sja1110_sgmii_pma_config(struct dw_xpcs *xpcs); |
| int nxp_sja1110_2500basex_pma_config(struct dw_xpcs *xpcs); |
| int txgbe_xpcs_switch_mode(struct dw_xpcs *xpcs, phy_interface_t interface); |
