OpenWrt – Rev 4
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/*
* ADM6996 switch driver
*
* Copyright (c) 2008 Felix Fietkau <nbd@nbd.name>
* Copyright (c) 2010,2011 Peter Lebbing <peter@digitalbrains.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License v2 as published by the
* Free Software Foundation
*/
#ifndef __ADM6996_H
#define __ADM6996_H
/*
* ADM_PHY_PORTS: Number of ports with a PHY.
* We only control ports 0 to 3, because if 4 is connected, it is most likely
* not connected to the switch but to a separate MII and MAC for the WAN port.
*/
#define ADM_PHY_PORTS 4
#define ADM_NUM_PORTS 6
#define ADM_CPU_PORT 5
#define ADM_NUM_VLANS 16
#define ADM_VLAN_MAX_ID 4094
enum admreg {
ADM_EEPROM_BASE = 0x0,
ADM_P0_CFG = ADM_EEPROM_BASE + 1,
ADM_P1_CFG = ADM_EEPROM_BASE + 3,
ADM_P2_CFG = ADM_EEPROM_BASE + 5,
ADM_P3_CFG = ADM_EEPROM_BASE + 7,
ADM_P4_CFG = ADM_EEPROM_BASE + 8,
ADM_P5_CFG = ADM_EEPROM_BASE + 9,
ADM_SYSC0 = ADM_EEPROM_BASE + 0xa,
ADM_VLAN_PRIOMAP = ADM_EEPROM_BASE + 0xe,
ADM_SYSC3 = ADM_EEPROM_BASE + 0x11,
/* Input Force No Tag Enable */
ADM_IFNTE = ADM_EEPROM_BASE + 0x20,
ADM_VID_CHECK = ADM_EEPROM_BASE + 0x26,
ADM_P0_PVID = ADM_EEPROM_BASE + 0x28,
ADM_P1_PVID = ADM_EEPROM_BASE + 0x29,
/* Output Tag Bypass Enable and P2 PVID */
ADM_OTBE_P2_PVID = ADM_EEPROM_BASE + 0x2a,
ADM_P3_P4_PVID = ADM_EEPROM_BASE + 0x2b,
ADM_P5_PVID = ADM_EEPROM_BASE + 0x2c,
ADM_EEPROM_EXT_BASE = 0x40,
#define ADM_VLAN_FILT_L(n) (ADM_EEPROM_EXT_BASE + 2 * (n))
#define ADM_VLAN_FILT_H(n) (ADM_EEPROM_EXT_BASE + 1 + 2 * (n))
#define ADM_VLAN_MAP(n) (ADM_EEPROM_BASE + 0x13 + n)
ADM_COUNTER_BASE = 0xa0,
ADM_SIG0 = ADM_COUNTER_BASE + 0,
ADM_SIG1 = ADM_COUNTER_BASE + 1,
ADM_PS0 = ADM_COUNTER_BASE + 2,
ADM_PS1 = ADM_COUNTER_BASE + 3,
ADM_PS2 = ADM_COUNTER_BASE + 4,
ADM_CL0 = ADM_COUNTER_BASE + 8, /* RxPacket */
ADM_CL6 = ADM_COUNTER_BASE + 0x1a, /* RxByte */
ADM_CL12 = ADM_COUNTER_BASE + 0x2c, /* TxPacket */
ADM_CL18 = ADM_COUNTER_BASE + 0x3e, /* TxByte */
ADM_CL24 = ADM_COUNTER_BASE + 0x50, /* Coll */
ADM_CL30 = ADM_COUNTER_BASE + 0x62, /* Err */
#define ADM_OFFSET_PORT(n) ((n * 4) - (n / 4) * 2 - (n / 5) * 2)
ADM_PHY_BASE = 0x200,
#define ADM_PHY_PORT(n) (ADM_PHY_BASE + (0x20 * n))
};
/* Chip identification patterns */
#define ADM_SIG0_MASK 0xffff
#define ADM_SIG0_VAL 0x1023
#define ADM_SIG1_MASK 0xffff
#define ADM_SIG1_VAL 0x0007
enum {
ADM_PHYCFG_COLTST = (1 << 7), /* Enable collision test */
ADM_PHYCFG_DPLX = (1 << 8), /* Enable full duplex */
ADM_PHYCFG_ANEN_RST = (1 << 9), /* Restart auto negotiation (self clear) */
ADM_PHYCFG_ISO = (1 << 10), /* Isolate PHY */
ADM_PHYCFG_PDN = (1 << 11), /* Power down PHY */
ADM_PHYCFG_ANEN = (1 << 12), /* Enable auto negotiation */
ADM_PHYCFG_SPEED_100 = (1 << 13), /* Enable 100 Mbit/s */
ADM_PHYCFG_LPBK = (1 << 14), /* Enable loopback operation */
ADM_PHYCFG_RST = (1 << 15), /* Reset the port (self clear) */
ADM_PHYCFG_INIT = (
ADM_PHYCFG_RST |
ADM_PHYCFG_SPEED_100 |
ADM_PHYCFG_ANEN |
ADM_PHYCFG_ANEN_RST
)
};
enum {
ADM_PORTCFG_FC = (1 << 0), /* Enable 802.x flow control */
ADM_PORTCFG_AN = (1 << 1), /* Enable auto-negotiation */
ADM_PORTCFG_SPEED_100 = (1 << 2), /* Enable 100 Mbit/s */
ADM_PORTCFG_DPLX = (1 << 3), /* Enable full duplex */
ADM_PORTCFG_OT = (1 << 4), /* Output tagged packets */
ADM_PORTCFG_PD = (1 << 5), /* Port disable */
ADM_PORTCFG_TV_PRIO = (1 << 6), /* 0 = VLAN based priority
* 1 = TOS based priority */
ADM_PORTCFG_PPE = (1 << 7), /* Port based priority enable */
ADM_PORTCFG_PP_S = (1 << 8), /* Port based priority, 2 bits */
ADM_PORTCFG_PVID_BASE = (1 << 10), /* Primary VLAN id, 4 bits */
ADM_PORTCFG_FSE = (1 << 14), /* Fx select enable */
ADM_PORTCFG_CAM = (1 << 15), /* Crossover Auto MDIX */
ADM_PORTCFG_INIT = (
ADM_PORTCFG_FC |
ADM_PORTCFG_AN |
ADM_PORTCFG_SPEED_100 |
ADM_PORTCFG_DPLX |
ADM_PORTCFG_CAM
),
ADM_PORTCFG_CPU = (
ADM_PORTCFG_FC |
ADM_PORTCFG_SPEED_100 |
ADM_PORTCFG_OT |
ADM_PORTCFG_DPLX
),
};
#define ADM_PORTCFG_PPID(n) ((n & 0x3) << 8)
#define ADM_PORTCFG_PVID(n) ((n & 0xf) << 10)
#define ADM_PORTCFG_PVID_MASK (0xf << 10)
#define ADM_IFNTE_MASK (0x3f << 9)
#define ADM_VID_CHECK_MASK (0x3f << 6)
#define ADM_P0_PVID_VAL(n) ((((n) & 0xff0) >> 4) << 0)
#define ADM_P1_PVID_VAL(n) ((((n) & 0xff0) >> 4) << 0)
#define ADM_P2_PVID_VAL(n) ((((n) & 0xff0) >> 4) << 0)
#define ADM_P3_PVID_VAL(n) ((((n) & 0xff0) >> 4) << 0)
#define ADM_P4_PVID_VAL(n) ((((n) & 0xff0) >> 4) << 8)
#define ADM_P5_PVID_VAL(n) ((((n) & 0xff0) >> 4) << 0)
#define ADM_P2_PVID_MASK 0xff
#define ADM_OTBE(n) (((n) & 0x3f) << 8)
#define ADM_OTBE_MASK (0x3f << 8)
/* ADM_SYSC0 */
enum {
ADM_NTTE = (1 << 2), /* New Tag Transmit Enable */
ADM_RVID1 = (1 << 8) /* Replace VLAN ID 1 */
};
/* Tag Based VLAN in ADM_SYSC3 */
#define ADM_MAC_CLONE BIT(4)
#define ADM_TBV BIT(5)
static const u8 adm_portcfg[] = {
[0] = ADM_P0_CFG,
[1] = ADM_P1_CFG,
[2] = ADM_P2_CFG,
[3] = ADM_P3_CFG,
[4] = ADM_P4_CFG,
[5] = ADM_P5_CFG,
};
/* Fields in ADM_VLAN_FILT_L(x) */
#define ADM_VLAN_FILT_FID(n) (((n) & 0xf) << 12)
#define ADM_VLAN_FILT_TAGGED(n) (((n) & 0x3f) << 6)
#define ADM_VLAN_FILT_MEMBER(n) (((n) & 0x3f) << 0)
#define ADM_VLAN_FILT_MEMBER_MASK 0x3f
/* Fields in ADM_VLAN_FILT_H(x) */
#define ADM_VLAN_FILT_VALID (1 << 15)
#define ADM_VLAN_FILT_VID(n) (((n) & 0xfff) << 0)
/* Convert ports to a form for ADM6996L VLAN map */
#define ADM_VLAN_FILT(ports) ((ports & 0x01) | ((ports & 0x02) << 1) | \
((ports & 0x04) << 2) | ((ports & 0x08) << 3) | \
((ports & 0x10) << 3) | ((ports & 0x20) << 3))
/* Port status register */
enum {
ADM_PS_LS = (1 << 0), /* Link status */
ADM_PS_SS = (1 << 1), /* Speed status */
ADM_PS_DS = (1 << 2), /* Duplex status */
ADM_PS_FCS = (1 << 3) /* Flow control status */
};
/*
* Split the register address in phy id and register
* it will get combined again by the mdio bus op
*/
#define PHYADDR(_reg) ((_reg >> 5) & 0xff), (_reg & 0x1f)
#endif