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/* SPDX-License-Identifier: GPL-2.0 */
/* Microchip LAN937X switch register definitions
* Copyright (C) 2019-2021 Microchip Technology Inc.
*/
#ifndef __LAN937X_REG_H
#define __LAN937X_REG_H
#define PORT_CTRL_ADDR(port, addr) ((addr) | (((port) + 1) << 12))
/* 0 - Operation */
#define REG_GLOBAL_CTRL_0 0x0007
#define SW_PHY_REG_BLOCK BIT(7)
#define SW_FAST_MODE BIT(3)
#define SW_FAST_MODE_OVERRIDE BIT(2)
#define REG_SW_INT_STATUS__4 0x0010
#define REG_SW_INT_MASK__4 0x0014
#define LUE_INT BIT(31)
#define TRIG_TS_INT BIT(30)
#define APB_TIMEOUT_INT BIT(29)
#define OVER_TEMP_INT BIT(28)
#define HSR_INT BIT(27)
#define PIO_INT BIT(26)
#define POR_READY_INT BIT(25)
#define SWITCH_INT_MASK \
(LUE_INT | TRIG_TS_INT | APB_TIMEOUT_INT | OVER_TEMP_INT | HSR_INT | \
PIO_INT | POR_READY_INT)
#define REG_SW_PORT_INT_STATUS__4 0x0018
#define REG_SW_PORT_INT_MASK__4 0x001C
/* 1 - Global */
#define REG_SW_GLOBAL_OUTPUT_CTRL__1 0x0103
#define SW_CLK125_ENB BIT(1)
#define SW_CLK25_ENB BIT(0)
/* 3 - Operation Control */
#define REG_SW_OPERATION 0x0300
#define SW_DOUBLE_TAG BIT(7)
#define SW_OVER_TEMP_ENABLE BIT(2)
#define SW_RESET BIT(1)
#define REG_SW_LUE_CTRL_0 0x0310
#define SW_VLAN_ENABLE BIT(7)
#define SW_DROP_INVALID_VID BIT(6)
#define SW_AGE_CNT_M 0x7
#define SW_AGE_CNT_S 3
#define SW_RESV_MCAST_ENABLE BIT(2)
#define REG_SW_LUE_CTRL_1 0x0311
#define UNICAST_LEARN_DISABLE BIT(7)
#define SW_FLUSH_STP_TABLE BIT(5)
#define SW_FLUSH_MSTP_TABLE BIT(4)
#define SW_SRC_ADDR_FILTER BIT(3)
#define SW_AGING_ENABLE BIT(2)
#define SW_FAST_AGING BIT(1)
#define SW_LINK_AUTO_AGING BIT(0)
#define REG_SW_AGE_PERIOD__1 0x0313
#define SW_AGE_PERIOD_7_0_M GENMASK(7, 0)
#define REG_SW_AGE_PERIOD__2 0x0320
#define SW_AGE_PERIOD_19_8_M GENMASK(19, 8)
#define REG_SW_MAC_CTRL_0 0x0330
#define SW_NEW_BACKOFF BIT(7)
#define SW_PAUSE_UNH_MODE BIT(1)
#define SW_AGGR_BACKOFF BIT(0)
#define REG_SW_MAC_CTRL_1 0x0331
#define SW_SHORT_IFG BIT(7)
#define MULTICAST_STORM_DISABLE BIT(6)
#define SW_BACK_PRESSURE BIT(5)
#define FAIR_FLOW_CTRL BIT(4)
#define NO_EXC_COLLISION_DROP BIT(3)
#define SW_LEGAL_PACKET_DISABLE BIT(1)
#define SW_PASS_SHORT_FRAME BIT(0)
#define REG_SW_MAC_CTRL_6 0x0336
#define SW_MIB_COUNTER_FLUSH BIT(7)
#define SW_MIB_COUNTER_FREEZE BIT(6)
/* 4 - LUE */
#define REG_SW_ALU_STAT_CTRL__4 0x041C
#define REG_SW_ALU_VAL_B 0x0424
#define ALU_V_OVERRIDE BIT(31)
#define ALU_V_USE_FID BIT(30)
#define ALU_V_PORT_MAP 0xFF
/* 7 - VPhy */
#define REG_VPHY_IND_ADDR__2 0x075C
#define REG_VPHY_IND_DATA__2 0x0760
#define REG_VPHY_IND_CTRL__2 0x0768
#define VPHY_IND_WRITE BIT(1)
#define VPHY_IND_BUSY BIT(0)
#define REG_VPHY_SPECIAL_CTRL__2 0x077C
#define VPHY_SMI_INDIRECT_ENABLE BIT(15)
#define VPHY_SW_LOOPBACK BIT(14)
#define VPHY_MDIO_INTERNAL_ENABLE BIT(13)
#define VPHY_SPI_INDIRECT_ENABLE BIT(12)
#define VPHY_PORT_MODE_M 0x3
#define VPHY_PORT_MODE_S 8
#define VPHY_MODE_RGMII 0
#define VPHY_MODE_MII_PHY 1
#define VPHY_MODE_SGMII 2
#define VPHY_MODE_RMII_PHY 3
#define VPHY_SW_COLLISION_TEST BIT(7)
#define VPHY_SPEED_DUPLEX_STAT_M 0x7
#define VPHY_SPEED_DUPLEX_STAT_S 2
#define VPHY_SPEED_1000 BIT(4)
#define VPHY_SPEED_100 BIT(3)
#define VPHY_FULL_DUPLEX BIT(2)
/* Port Registers */
/* 0 - Operation */
#define REG_PORT_INT_STATUS 0x001B
#define REG_PORT_INT_MASK 0x001F
#define PORT_TAS_INT BIT(5)
#define PORT_QCI_INT BIT(4)
#define PORT_SGMII_INT BIT(3)
#define PORT_PTP_INT BIT(2)
#define PORT_PHY_INT BIT(1)
#define PORT_ACL_INT BIT(0)
#define PORT_SRC_PHY_INT 1
#define REG_PORT_CTRL_0 0x0020
#define PORT_MAC_LOOPBACK BIT(7)
#define PORT_MAC_REMOTE_LOOPBACK BIT(6)
#define PORT_K2L_INSERT_ENABLE BIT(5)
#define PORT_K2L_DEBUG_ENABLE BIT(4)
#define PORT_TAIL_TAG_ENABLE BIT(2)
#define PORT_QUEUE_SPLIT_ENABLE 0x3
/* 1 - Phy */
#define REG_PORT_T1_PHY_CTRL_BASE 0x0100
/* 3 - xMII */
#define PORT_SGMII_SEL BIT(7)
#define PORT_GRXC_ENABLE BIT(0)
#define PORT_MII_SEL_EDGE BIT(5)
#define REG_PORT_XMII_CTRL_4 0x0304
#define REG_PORT_XMII_CTRL_5 0x0306
#define PORT_DLL_RESET BIT(15)
#define PORT_TUNE_ADJ GENMASK(13, 7)
/* 4 - MAC */
#define REG_PORT_MAC_CTRL_0 0x0400
#define PORT_CHECK_LENGTH BIT(2)
#define PORT_BROADCAST_STORM BIT(1)
#define PORT_JUMBO_PACKET BIT(0)
#define REG_PORT_MAC_CTRL_1 0x0401
#define PORT_BACK_PRESSURE BIT(3)
#define PORT_PASS_ALL BIT(0)
#define PORT_MAX_FR_SIZE 0x404
#define FR_MIN_SIZE 1522
/* 8 - Classification and Policing */
#define REG_PORT_MRI_PRIO_CTRL 0x0801
#define PORT_HIGHEST_PRIO BIT(7)
#define PORT_OR_PRIO BIT(6)
#define PORT_MAC_PRIO_ENABLE BIT(4)
#define PORT_VLAN_PRIO_ENABLE BIT(3)
#define PORT_802_1P_PRIO_ENABLE BIT(2)
#define PORT_DIFFSERV_PRIO_ENABLE BIT(1)
#define PORT_ACL_PRIO_ENABLE BIT(0)
#define P_PRIO_CTRL REG_PORT_MRI_PRIO_CTRL
/* The port number as per the datasheet */
#define RGMII_2_PORT_NUM 5
#define RGMII_1_PORT_NUM 6
#define LAN937X_RGMII_2_PORT (RGMII_2_PORT_NUM - 1)
#define LAN937X_RGMII_1_PORT (RGMII_1_PORT_NUM - 1)
#define RGMII_1_TX_DELAY_2NS 2
#define RGMII_2_TX_DELAY_2NS 0
#define RGMII_1_RX_DELAY_2NS 0x1B
#define RGMII_2_RX_DELAY_2NS 0x14
#define LAN937X_TAG_LEN 2
#endif
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