152 lines
5.1 KiB
C
152 lines
5.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/* PRU-ICSS MII_RT register definitions
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*
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* Copyright (C) 2015-2022 Texas Instruments Incorporated - https://www.ti.com
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*/
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#ifndef __NET_PRUSS_MII_RT_H__
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#define __NET_PRUSS_MII_RT_H__
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#include <linux/if_ether.h>
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#include <linux/phy.h>
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/* PRUSS_MII_RT Registers */
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#define PRUSS_MII_RT_RXCFG0 0x0
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#define PRUSS_MII_RT_RXCFG1 0x4
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#define PRUSS_MII_RT_TXCFG0 0x10
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#define PRUSS_MII_RT_TXCFG1 0x14
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#define PRUSS_MII_RT_TX_CRC0 0x20
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#define PRUSS_MII_RT_TX_CRC1 0x24
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#define PRUSS_MII_RT_TX_IPG0 0x30
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#define PRUSS_MII_RT_TX_IPG1 0x34
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#define PRUSS_MII_RT_PRS0 0x38
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#define PRUSS_MII_RT_PRS1 0x3c
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#define PRUSS_MII_RT_RX_FRMS0 0x40
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#define PRUSS_MII_RT_RX_FRMS1 0x44
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#define PRUSS_MII_RT_RX_PCNT0 0x48
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#define PRUSS_MII_RT_RX_PCNT1 0x4c
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#define PRUSS_MII_RT_RX_ERR0 0x50
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#define PRUSS_MII_RT_RX_ERR1 0x54
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/* PRUSS_MII_RT_RXCFG0/1 bits */
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#define PRUSS_MII_RT_RXCFG_RX_ENABLE BIT(0)
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#define PRUSS_MII_RT_RXCFG_RX_DATA_RDY_MODE_DIS BIT(1)
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#define PRUSS_MII_RT_RXCFG_RX_CUT_PREAMBLE BIT(2)
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#define PRUSS_MII_RT_RXCFG_RX_MUX_SEL BIT(3)
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#define PRUSS_MII_RT_RXCFG_RX_L2_EN BIT(4)
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#define PRUSS_MII_RT_RXCFG_RX_BYTE_SWAP BIT(5)
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#define PRUSS_MII_RT_RXCFG_RX_AUTO_FWD_PRE BIT(6)
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#define PRUSS_MII_RT_RXCFG_RX_L2_EOF_SCLR_DIS BIT(9)
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/* PRUSS_MII_RT_TXCFG0/1 bits */
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#define PRUSS_MII_RT_TXCFG_TX_ENABLE BIT(0)
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#define PRUSS_MII_RT_TXCFG_TX_AUTO_PREAMBLE BIT(1)
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#define PRUSS_MII_RT_TXCFG_TX_EN_MODE BIT(2)
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#define PRUSS_MII_RT_TXCFG_TX_BYTE_SWAP BIT(3)
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#define PRUSS_MII_RT_TXCFG_TX_MUX_SEL BIT(8)
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#define PRUSS_MII_RT_TXCFG_PRE_TX_AUTO_SEQUENCE BIT(9)
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#define PRUSS_MII_RT_TXCFG_PRE_TX_AUTO_ESC_ERR BIT(10)
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#define PRUSS_MII_RT_TXCFG_TX_32_MODE_EN BIT(11)
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#define PRUSS_MII_RT_TXCFG_TX_IPG_WIRE_CLK_EN BIT(12) /* SR2.0 onwards */
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#define PRUSS_MII_RT_TXCFG_TX_START_DELAY_SHIFT 16
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#define PRUSS_MII_RT_TXCFG_TX_START_DELAY_MASK GENMASK(25, 16)
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#define PRUSS_MII_RT_TXCFG_TX_CLK_DELAY_SHIFT 28
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#define PRUSS_MII_RT_TXCFG_TX_CLK_DELAY_MASK GENMASK(30, 28)
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/* PRUSS_MII_RT_TX_IPG0/1 bits */
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#define PRUSS_MII_RT_TX_IPG_IPG_SHIFT 0
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#define PRUSS_MII_RT_TX_IPG_IPG_MASK GENMASK(9, 0)
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/* PRUSS_MII_RT_PRS0/1 bits */
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#define PRUSS_MII_RT_PRS_COL BIT(0)
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#define PRUSS_MII_RT_PRS_CRS BIT(1)
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/* PRUSS_MII_RT_RX_FRMS0/1 bits */
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#define PRUSS_MII_RT_RX_FRMS_MIN_FRM_SHIFT 0
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#define PRUSS_MII_RT_RX_FRMS_MIN_FRM_MASK GENMASK(15, 0)
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#define PRUSS_MII_RT_RX_FRMS_MAX_FRM_SHIFT 16
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#define PRUSS_MII_RT_RX_FRMS_MAX_FRM_MASK GENMASK(31, 16)
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/* Min/Max in MII_RT_RX_FRMS */
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/* For EMAC and Switch */
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#define PRUSS_MII_RT_RX_FRMS_MAX (VLAN_ETH_FRAME_LEN + ETH_FCS_LEN)
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#define PRUSS_MII_RT_RX_FRMS_MIN_FRM (64)
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/* for HSR and PRP */
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#define PRUSS_MII_RT_RX_FRMS_MAX_FRM_LRE (PRUSS_MII_RT_RX_FRMS_MAX + \
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ICSS_LRE_TAG_RCT_SIZE)
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/* PRUSS_MII_RT_RX_PCNT0/1 bits */
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#define PRUSS_MII_RT_RX_PCNT_MIN_PCNT_SHIFT 0
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#define PRUSS_MII_RT_RX_PCNT_MIN_PCNT_MASK GENMASK(3, 0)
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#define PRUSS_MII_RT_RX_PCNT_MAX_PCNT_SHIFT 4
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#define PRUSS_MII_RT_RX_PCNT_MAX_PCNT_MASK GENMASK(7, 4)
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/* PRUSS_MII_RT_RX_ERR0/1 bits */
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#define PRUSS_MII_RT_RX_ERR_MIN_PCNT_ERR BIT(0)
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#define PRUSS_MII_RT_RX_ERR_MAX_PCNT_ERR BIT(1)
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#define PRUSS_MII_RT_RX_ERR_MIN_FRM_ERR BIT(2)
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#define PRUSS_MII_RT_RX_ERR_MAX_FRM_ERR BIT(3)
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#define ICSSG_CFG_OFFSET 0
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#define RGMII_CFG_OFFSET 4
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/* Constant to choose between MII0 and MII1 */
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#define ICSS_MII0 0
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#define ICSS_MII1 1
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/* ICSSG_CFG Register bits */
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#define ICSSG_CFG_SGMII_MODE BIT(16)
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#define ICSSG_CFG_TX_PRU_EN BIT(11)
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#define ICSSG_CFG_RX_SFD_TX_SOF_EN BIT(10)
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#define ICSSG_CFG_RTU_PRU_PSI_SHARE_EN BIT(9)
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#define ICSSG_CFG_IEP1_TX_EN BIT(8)
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#define ICSSG_CFG_MII1_MODE GENMASK(6, 5)
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#define ICSSG_CFG_MII1_MODE_SHIFT 5
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#define ICSSG_CFG_MII0_MODE GENMASK(4, 3)
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#define ICSSG_CFG_MII0_MODE_SHIFT 3
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#define ICSSG_CFG_RX_L2_G_EN BIT(2)
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#define ICSSG_CFG_TX_L2_EN BIT(1)
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#define ICSSG_CFG_TX_L1_EN BIT(0)
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enum mii_mode {
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MII_MODE_MII = 0,
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MII_MODE_RGMII
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};
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/* RGMII CFG Register bits */
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#define RGMII_CFG_INBAND_EN_MII0 BIT(16)
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#define RGMII_CFG_GIG_EN_MII0 BIT(17)
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#define RGMII_CFG_INBAND_EN_MII1 BIT(20)
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#define RGMII_CFG_GIG_EN_MII1 BIT(21)
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#define RGMII_CFG_FULL_DUPLEX_MII0 BIT(18)
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#define RGMII_CFG_FULL_DUPLEX_MII1 BIT(22)
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#define RGMII_CFG_SPEED_MII0 GENMASK(2, 1)
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#define RGMII_CFG_SPEED_MII1 GENMASK(6, 5)
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#define RGMII_CFG_SPEED_MII0_SHIFT 1
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#define RGMII_CFG_SPEED_MII1_SHIFT 5
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#define RGMII_CFG_FULLDUPLEX_MII0 BIT(3)
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#define RGMII_CFG_FULLDUPLEX_MII1 BIT(7)
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#define RGMII_CFG_FULLDUPLEX_MII0_SHIFT 3
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#define RGMII_CFG_FULLDUPLEX_MII1_SHIFT 7
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#define RGMII_CFG_SPEED_10M 0
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#define RGMII_CFG_SPEED_100M 1
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#define RGMII_CFG_SPEED_1G 2
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struct regmap;
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struct prueth_emac;
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void icssg_mii_update_ipg(struct regmap *mii_rt, int mii, u32 ipg);
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void icssg_mii_update_mtu(struct regmap *mii_rt, int mii, int mtu);
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void icssg_update_rgmii_cfg(struct regmap *miig_rt, struct prueth_emac *emac);
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u32 icssg_rgmii_cfg_get_bitfield(struct regmap *miig_rt, u32 mask, u32 shift);
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u32 icssg_rgmii_get_speed(struct regmap *miig_rt, int mii);
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u32 icssg_rgmii_get_fullduplex(struct regmap *miig_rt, int mii);
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void icssg_miig_set_interface_mode(struct regmap *miig_rt, int mii, phy_interface_t phy_if);
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#endif /* __NET_PRUSS_MII_RT_H__ */
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