zephyr/drivers/ethernet/dsa_ksz8794.h

329 lines
17 KiB
C

/*
* Copyright (c) 2020 DENX Software Engineering GmbH
* Lukasz Majewski <lukma@denx.de>
* SPDX-License-Identifier: Apache-2.0
*/
#ifndef __DSA_KSZ8794_H__
#define __DSA_KSZ8794_H__
/* SPI commands */
#define KSZ8794_SPI_CMD_WR (BIT(6))
#define KSZ8794_SPI_CMD_RD (BIT(6) | BIT(5))
/* PHY registers */
#define KSZ8794_BMCR 0x00
#define KSZ8794_BMSR 0x01
#define KSZ8794_PHYID1 0x02
#define KSZ8794_PHYID2 0x03
#define KSZ8794_ANAR 0x04
#define KSZ8794_ANLPAR 0x05
#define KSZ8794_LINKMD 0x1D
#define KSZ8794_PHYSCS 0x1F
/* SWITCH registers */
#define KSZ8794_CHIP_ID0 0x00
#define KSZ8794_CHIP_ID1 0x01
#define KSZ8794_GLOBAL_CTRL0 0x02
#define KSZ8794_GLOBAL_CTRL1 0x03
#define KSZ8794_GLOBAL_CTRL2 0x04
#define KSZ8794_GLOBAL_CTRL3 0x05
#define KSZ8794_GLOBAL_CTRL4 0x06
#define KSZ8794_GLOBAL_CTRL5 0x07
#define KSZ8794_GLOBAL_CTRL6_MIB_CTRL 0x08
#define KSZ8794_GLOBAL_CTRL7 0x09
#define KSZ8794_GLOBAL_CTRL8 0x0A
#define KSZ8794_GLOBAL_CTRL9 0x0B
#define KSZ8794_GLOBAL_CTRL10 0x0C
#define KSZ8794_GLOBAL_CTRL11 0x0D
#define KSZ8794_PD_MGMT_CTRL1 0x0E
#define KSZ8794_PD_MGMT_CTRL2 0x0F
#define KSZ8794_PORT1_CTRL0 0x10
#define KSZ8794_PORT1_CTRL1 0x11
#define KSZ8794_PORT1_CTRL2 0x12
#define KSZ8794_PORT1_CTRL3 0x13
#define KSZ8794_PORT1_CTRL4 0x14
#define KSZ8794_PORT1_CTRL5 0x15
#define KSZ8794_PORT1_CTRL7 0x17
#define KSZ8794_PORT1_STAT0 0x18
#define KSZ8794_PORT1_STAT1 0x19
#define KSZ8794_PORT1_PHY_CTRL8 0x1A
#define KSZ8794_PORT1_LINKMD 0x1B
#define KSZ8794_PORT1_PHY_CTRL9 0x1C
#define KSZ8794_PORT1_PHY_CTRL10 0x1D
#define KSZ8794_PORT1_STAT2 0x1E
#define KSZ8794_PORT1_CTRL11_STAT3 0x1F
#define KSZ8794_PORT2_CTRL0 0x20
#define KSZ8794_PORT2_CTRL1 0x21
#define KSZ8794_PORT2_CTRL2 0x22
#define KSZ8794_PORT2_CTRL3 0x23
#define KSZ8794_PORT2_CTRL4 0x24
#define KSZ8794_PORT2_CTRL5 0x25
#define KSZ8794_PORT2_CTRL7 0x27
#define KSZ8794_PORT2_STAT0 0x28
#define KSZ8794_PORT2_STAT1 0x29
#define KSZ8794_PORT2_PHY_CTRL8 0x2A
#define KSZ8794_PORT2_LINKMD 0x2B
#define KSZ8794_PORT2_PHY_CTRL9 0x2C
#define KSZ8794_PORT2_PHY_CTRL10 0x2D
#define KSZ8794_PORT2_STAT2 0x2E
#define KSZ8794_PORT2_CTRL11_STAT3 0x2F
#define KSZ8794_PORT3_CTRL0 0x30
#define KSZ8794_PORT3_CTRL1 0x31
#define KSZ8794_PORT3_CTRL2 0x32
#define KSZ8794_PORT3_CTRL3 0x33
#define KSZ8794_PORT3_CTRL4 0x34
#define KSZ8794_PORT3_CTRL5 0x35
#define KSZ8794_PORT3_CTRL7 0x37
#define KSZ8794_PORT3_STAT0 0x38
#define KSZ8794_PORT3_STAT1 0x39
#define KSZ8794_PORT3_PHY_CTRL8 0x3A
#define KSZ8794_PORT3_LINKMD 0x3B
#define KSZ8794_PORT3_PHY_CTRL9 0x3C
#define KSZ8794_PORT3_PHY_CTRL10 0x3D
#define KSZ8794_PORT3_STAT2 0x3E
#define KSZ8794_PORT3_CTRL11_STAT3 0x3F
#define KSZ8794_PORT4_CTRL0 0x50
#define KSZ8794_PORT4_CTRL1 0x51
#define KSZ8794_PORT4_CTRL2 0x52
#define KSZ8794_PORT4_CTRL3 0x53
#define KSZ8794_PORT4_CTRL4 0x54
#define KSZ8794_PORT4_CTRL5 0x55
#define KSZ8794_PORT4_IF_CTRL6 0x56
#define KSZ8794_MAC_ADDR0 0x68
#define KSZ8794_MAC_ADDR1 0x69
#define KSZ8794_MAC_ADDR2 0x6A
#define KSZ8794_MAC_ADDR3 0x6B
#define KSZ8794_MAC_ADDR4 0x6C
#define KSZ8794_MAC_ADDR5 0x6D
#define KSZ8794_IND_ACCESS_CTRL0 0x6E
#define KSZ8794_IND_ACCESS_CTRL1 0x6F
#define KSZ8794_IND_DATA8 0x70
#define KSZ8794_IND_DATA7 0x71
#define KSZ8794_IND_DATA6 0x72
#define KSZ8794_IND_DATA5 0x73
#define KSZ8794_IND_DATA4 0x74
#define KSZ8794_IND_DATA3 0x75
#define KSZ8794_IND_DATA2 0x76
#define KSZ8794_IND_DATA1 0x77
#define KSZ8794_IND_DATA0 0x78
#define KSZ8794_INT_STAT 0x7C
#define KSZ8794_INT_MASK 0x7D
#define KSZ8794_ACL_INT_STAT 0x7E
#define KSZ8794_ACL_CTRL 0x7F
#define KSZ8794_GLOBAL_CTRL12 0x80
#define KSZ8794_GLOBAL_CTRL13 0x81
#define KSZ8794_GLOBAL_CTRL14 0x82
#define KSZ8794_GLOBAL_CTRL15 0x83
#define KSZ8794_GLOBAL_CTRL16 0x84
#define KSZ8794_GLOBAL_CTRL17 0x85
#define KSZ8794_GLOBAL_CTRL18 0x86
#define KSZ8794_GLOBAL_CTRL19 0x87
#define KSZ8794_TOS_PRIO_CTRL0 0x90
#define KSZ8794_TOS_PRIO_CTRL1 0x91
#define KSZ8794_TOS_PRIO_CTRL2 0x92
#define KSZ8794_TOS_PRIO_CTRL3 0x93
#define KSZ8794_TOS_PRIO_CTRL4 0x94
#define KSZ8794_TOS_PRIO_CTRL5 0x95
#define KSZ8794_TOS_PRIO_CTRL6 0x96
#define KSZ8794_TOS_PRIO_CTRL7 0x97
#define KSZ8794_TOS_PRIO_CTRL8 0x98
#define KSZ8794_TOS_PRIO_CTRL9 0x99
#define KSZ8794_TOS_PRIO_CTRL10 0x9A
#define KSZ8794_TOS_PRIO_CTRL11 0x9B
#define KSZ8794_TOS_PRIO_CTRL12 0x9C
#define KSZ8794_TOS_PRIO_CTRL13 0x9D
#define KSZ8794_TOS_PRIO_CTRL14 0x9E
#define KSZ8794_TOS_PRIO_CTRL15 0x9F
#define KSZ8794_IND_BYTE 0xA0
#define KSZ8794_GLOBAL_CTRL20 0xA3
#define KSZ8794_GLOBAL_CTRL21 0xA4
#define KSZ8794_PORT1_CTRL12 0xB0
#define KSZ8794_PORT1_CTRL13 0xB1
#define KSZ8794_PORT1_CTRL14 0xB2
#define KSZ8794_PORT1_CTRL15 0xB3
#define KSZ8794_PORT1_CTRL16 0xB4
#define KSZ8794_PORT1_CTRL17 0xB5
#define KSZ8794_PORT1_RATE_LIMIT_CTRL 0xB6
#define KSZ8794_PORT1_PRIO0_IG_LIMIT_CTRL1 0xB7
#define KSZ8794_PORT1_PRIO1_IG_LIMIT_CTRL2 0xB8
#define KSZ8794_PORT1_PRIO2_IG_LIMIT_CTRL3 0xB9
#define KSZ8794_PORT1_PRIO3_IG_LIMIT_CTRL4 0xBA
#define KSZ8794_PORT1_QUEUE0_EG_LIMIT_CTRL1 0xBB
#define KSZ8794_PORT1_QUEUE1_EG_LIMIT_CTRL2 0xBC
#define KSZ8794_PORT1_QUEUE2_EG_LIMIT_CTRL3 0xBD
#define KSZ8794_PORT1_QUEUE3_EG_LIMIT_CTRL4 0xBE
#define KSZ8794_TEST 0xBF
#define KSZ8794_PORT2_CTRL12 0xC0
#define KSZ8794_PORT2_CTRL13 0xC1
#define KSZ8794_PORT2_CTRL14 0xC2
#define KSZ8794_PORT2_CTRL15 0xC3
#define KSZ8794_PORT2_CTRL16 0xC4
#define KSZ8794_PORT2_CTRL17 0xC5
#define KSZ8794_PORT2_RATE_LIMIT_CTRL 0xC6
#define KSZ8794_PORT2_PRIO0_IG_LIMIT_CTRL1 0xC7
#define KSZ8794_PORT2_PRIO1_IG_LIMIT_CTRL2 0xC8
#define KSZ8794_PORT2_PRIO2_IG_LIMIT_CTRL3 0xC9
#define KSZ8794_PORT2_PRIO3_IG_LIMIT_CTRL4 0xCA
#define KSZ8794_PORT2_QUEUE0_EG_LIMIT_CTRL1 0xCB
#define KSZ8794_PORT2_QUEUE1_EG_LIMIT_CTRL2 0xCC
#define KSZ8794_PORT2_QUEUE2_EG_LIMIT_CTRL3 0xCD
#define KSZ8794_PORT2_QUEUE3_EG_LIMIT_CTRL4 0xCE
#define KSZ8794_PORT3_CTRL12 0xD0
#define KSZ8794_PORT3_CTRL13 0xD1
#define KSZ8794_PORT3_CTRL14 0xD2
#define KSZ8794_PORT3_CTRL15 0xD3
#define KSZ8794_PORT3_CTRL16 0xD4
#define KSZ8794_PORT3_CTRL17 0xD5
#define KSZ8794_PORT3_RATE_LIMIT_CTRL 0xD6
#define KSZ8794_PORT3_PRIO0_IG_LIMIT_CTRL1 0xD7
#define KSZ8794_PORT3_PRIO1_IG_LIMIT_CTRL2 0xD8
#define KSZ8794_PORT3_PRIO2_IG_LIMIT_CTRL3 0xD9
#define KSZ8794_PORT3_PRIO3_IG_LIMIT_CTRL4 0xDA
#define KSZ8794_PORT3_QUEUE0_EG_LIMIT_CTRL1 0xDB
#define KSZ8794_PORT3_QUEUE1_EG_LIMIT_CTRL2 0xDC
#define KSZ8794_PORT3_QUEUE2_EG_LIMIT_CTRL3 0xDD
#define KSZ8794_PORT3_QUEUE3_EG_LIMIT_CTRL4 0xDE
#define KSZ8794_TEST2 0xDF
#define KSZ8794_TEST3 0xEF
#define KSZ8794_PORT4_CTRL12 0xF0
#define KSZ8794_PORT4_CTRL13 0xF1
#define KSZ8794_PORT4_CTRL14 0xF2
#define KSZ8794_PORT4_CTRL15 0xF3
#define KSZ8794_PORT4_CTRL16 0xF4
#define KSZ8794_PORT4_CTRL17 0xF5
#define KSZ8794_PORT4_RATE_LIMIT_CTRL 0xF6
#define KSZ8794_PORT4_PRIO0_IG_LIMIT_CTRL1 0xF7
#define KSZ8794_PORT4_PRIO1_IG_LIMIT_CTRL2 0xF8
#define KSZ8794_PORT4_PRIO2_IG_LIMIT_CTRL3 0xF9
#define KSZ8794_PORT4_PRIO3_IG_LIMIT_CTRL4 0xFA
#define KSZ8794_PORT4_QUEUE0_EG_LIMIT_CTRL1 0xFB
#define KSZ8794_PORT4_QUEUE1_EG_LIMIT_CTRL2 0xFC
#define KSZ8794_PORT4_QUEUE2_EG_LIMIT_CTRL3 0xFD
#define KSZ8794_PORT4_QUEUE3_EG_LIMIT_CTRL4 0xFE
#define KSZ8794_TEST4 0xFF
/* Basic Control register */
#define KSZ8794_BMCR_RESET 0x8000
#define KSZ8794_BMCR_LOOPBACK 0x4000
#define KSZ8794_BMCR_FORCE_100 0x2000
#define KSZ8794_BMCR_AN_EN 0x1000
#define KSZ8794_BMCR_POWER_DOWN 0x0800
#define KSZ8794_BMCR_ISOLATE 0x0400
#define KSZ8794_BMCR_RESTART_AN 0x0200
#define KSZ8794_BMCR_FORCE_FULL_DUPLEX 0x0100
#define KSZ8794_BMCR_HP_MDIX 0x0020
#define KSZ8794_BMCR_FORCE_MDI 0x0010
#define KSZ8794_BMCR_AUTO_MDIX_DIS 0x0008
#define KSZ8794_BMCR_FAR_END_FAULT_DIS 0x0004
#define KSZ8794_BMCR_TRANSMIT_DIS 0x0002
#define KSZ8794_BMCR_LED_DIS 0x0001
/* Basic Status register */
#define KSZ8794_BMSR_100BT4 0x8000
#define KSZ8794_BMSR_100BTX_FD 0x4000
#define KSZ8794_BMSR_100BTX_HD 0x2000
#define KSZ8794_BMSR_10BT_FD 0x1000
#define KSZ8794_BMSR_10BT_HD 0x0800
#define KSZ8794_BMSR_AN_COMPLETE 0x0020
#define KSZ8794_BMSR_FAR_END_FAULT 0x0010
#define KSZ8794_BMSR_AN_CAPABLE 0x0008
#define KSZ8794_BMSR_LINK_STATUS 0x0004
#define KSZ8794_BMSR_EXTENDED_CAPABLE 0x0001
#define KSZ8794_GLOBAL_CTRL10_TAIL_TAG_EN BIT(1)
#define KSZ8794_GLOBAL_CTRL2_LEG_MAX_PKT_SIZ_CHK_DIS BIT(1)
#define KSZ8794_CTRL2_PORTn(n) (0x12 + ((n) * 0x10))
#define KSZ8794_CTRL2_TRANSMIT_EN BIT(2)
#define KSZ8794_CTRL2_RECEIVE_EN BIT(1)
#define KSZ8794_CTRL2_LEARNING_DIS BIT(0)
#define KSZ8794_STAT2_PORTn(n) (0x1E + ((n) * 0x10))
#define KSZ8794_STAT2_LINK_GOOD BIT(5)
#define KSZ8794_CHIP_ID0_ID_DEFAULT 0x87
#define KSZ8794_CHIP_ID1_ID_DEFAULT 0x61
#define KSZ8794_PWR_MGNT_MODE_SOFT_DOWN BIT(4)
#define KSZ8794_GLOBAL_CTRL20_LOWSPEED_MASK 0x07
#define KSZ8794_GLOBAL_CTRL20_LOWSPEED_2MA 0x00
#define KSZ8794_GLOBAL_CTRL20_LOWSPEED_4MA 0x01
#define KSZ8794_GLOBAL_CTRL20_LOWSPEED_8MA 0x02
#define KSZ8794_GLOBAL_CTRL20_LOWSPEED_12MA 0x03
#define KSZ8794_GLOBAL_CTRL20_LOWSPEED_16MA 0x04
#define KSZ8794_GLOBAL_CTRL20_LOWSPEED_20MA 0x05
#define KSZ8794_GLOBAL_CTRL20_LOWSPEED_24MA 0x06
#define KSZ8794_GLOBAL_CTRL20_LOWSPEED_28MA 0x07
enum {
/*
* KSZ8794 register's MAP
* (0x00 - 0x0F): Global Registers
* Port registers (offsets):
* (0x10): Port 1
* (0x20): Port 2
* (0x30): Port 3
* (0x40): Reserved
* (0x50): Port 4
*/
/* LAN ports for the ksz8794 switch */
KSZ8794_PORT1 = 0,
KSZ8794_PORT2,
KSZ8794_PORT3,
/*
* SWITCH <-> CPU port
*
* We also need to consider the "Reserved' offset
* defined above.
*/
KSZ8794_PORT4 = 4,
};
#define KSZ8794_REG_IND_DATA_8 0x70
#define KSZ8794_REG_IND_DATA_7 0x71
#define KSZ8794_REG_IND_DATA_6 0x72
#define KSZ8794_REG_IND_DATA_5 0x73
#define KSZ8794_REG_IND_DATA_4 0x74
#define KSZ8794_REG_IND_DATA_3 0x75
#define KSZ8794_REG_IND_DATA_2 0x76
#define KSZ8794_REG_IND_DATA_1 0x77
#define KSZ8794_REG_IND_DATA_0 0x78
#define KSZ8794_REG_IND_CTRL_0 0x6E
#define KSZ8794_REG_IND_CTRL_1 0x6F
#define KSZ8794_STATIC_MAC_TABLE_VALID BIT(5)
#define KSZ8794_STATIC_MAC_TABLE_OVRD BIT(6)
#define KSZ8XXX_CHIP_ID0 KSZ8794_CHIP_ID0
#define KSZ8XXX_CHIP_ID1 KSZ8794_CHIP_ID1
#define KSZ8XXX_CHIP_ID0_ID_DEFAULT KSZ8794_CHIP_ID0_ID_DEFAULT
#define KSZ8XXX_CHIP_ID1_ID_DEFAULT KSZ8794_CHIP_ID1_ID_DEFAULT
#define KSZ8XXX_FIRST_PORT KSZ8794_PORT1
#define KSZ8XXX_LAST_PORT KSZ8794_PORT3
#define KSZ8XXX_CPU_PORT KSZ8794_PORT4
#define KSZ8XXX_REG_IND_CTRL_0 KSZ8794_REG_IND_CTRL_0
#define KSZ8XXX_REG_IND_CTRL_1 KSZ8794_REG_IND_CTRL_1
#define KSZ8XXX_REG_IND_DATA_8 KSZ8794_REG_IND_DATA_8
#define KSZ8XXX_REG_IND_DATA_7 KSZ8794_REG_IND_DATA_7
#define KSZ8XXX_REG_IND_DATA_6 KSZ8794_REG_IND_DATA_6
#define KSZ8XXX_REG_IND_DATA_5 KSZ8794_REG_IND_DATA_5
#define KSZ8XXX_REG_IND_DATA_4 KSZ8794_REG_IND_DATA_4
#define KSZ8XXX_REG_IND_DATA_3 KSZ8794_REG_IND_DATA_3
#define KSZ8XXX_REG_IND_DATA_2 KSZ8794_REG_IND_DATA_2
#define KSZ8XXX_REG_IND_DATA_1 KSZ8794_REG_IND_DATA_1
#define KSZ8XXX_REG_IND_DATA_0 KSZ8794_REG_IND_DATA_0
#define KSZ8XXX_STATIC_MAC_TABLE_VALID KSZ8794_STATIC_MAC_TABLE_VALID
#define KSZ8XXX_STATIC_MAC_TABLE_OVRD KSZ8794_STATIC_MAC_TABLE_OVRD
#define KSZ8XXX_STAT2_LINK_GOOD KSZ8794_STAT2_LINK_GOOD
#define KSZ8XXX_RESET_REG KSZ8794_PD_MGMT_CTRL1
#define KSZ8XXX_RESET_SET KSZ8794_PWR_MGNT_MODE_SOFT_DOWN
#define KSZ8XXX_RESET_CLEAR 0
#define KSZ8XXX_STAT2_PORTn KSZ8794_STAT2_PORTn
#define KSZ8XXX_SPI_CMD_RD KSZ8794_SPI_CMD_RD
#define KSZ8XXX_SPI_CMD_WR KSZ8794_SPI_CMD_WR
#define KSZ8XXX_SOFT_RESET_DURATION 1000
#define KSZ8XXX_HARD_RESET_WAIT 10000
#endif /* __DSA_KSZ8794_H__ */