| /* |
| * 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 |