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106 lines
3.1 KiB
C
106 lines
3.1 KiB
C
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/*
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* ADM6996 switch driver
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*
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* Copyright (c) 2008 Felix Fietkau <nbd@openwrt.org>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License v2 as published by the
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* Free Software Foundation
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*/
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#ifndef __ADM6996_H
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#define __ADM6996_H
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#define ADM_PHY_PORTS 5
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#define ADM_CPU_PORT 5
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#define ADM_WAN_PORT 0 /* FIXME: dynamic ? */
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enum admreg {
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ADM_EEPROM_BASE = 0x0,
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ADM_P0_CFG = ADM_EEPROM_BASE + 1,
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ADM_P1_CFG = ADM_EEPROM_BASE + 3,
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ADM_P2_CFG = ADM_EEPROM_BASE + 5,
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ADM_P3_CFG = ADM_EEPROM_BASE + 7,
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ADM_P4_CFG = ADM_EEPROM_BASE + 8,
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ADM_P5_CFG = ADM_EEPROM_BASE + 9,
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ADM_EEPROM_EXT_BASE = 0x40,
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ADM_COUNTER_BASE = 0xa0,
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ADM_SIG0 = ADM_COUNTER_BASE + 0,
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ADM_SIG1 = ADM_COUNTER_BASE + 1,
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ADM_PHY_BASE = 0x200,
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#define ADM_PHY_PORT(n) (ADM_PHY_BASE + (0x20 * n))
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};
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/* Chip identification patterns */
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#define ADM_SIG0_MASK 0xfff0
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#define ADM_SIG0_VAL 0x1020
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#define ADM_SIG1_MASK 0xffff
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#define ADM_SIG1_VAL 0x0007
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enum {
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ADM_PHYCFG_COLTST = (1 << 7), /* Enable collision test */
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ADM_PHYCFG_DPLX = (1 << 8), /* Enable full duplex */
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ADM_PHYCFG_ANEN_RST = (1 << 9), /* Restart auto negotiation (self clear) */
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ADM_PHYCFG_ISO = (1 << 10), /* Isolate PHY */
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ADM_PHYCFG_PDN = (1 << 11), /* Power down PHY */
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ADM_PHYCFG_ANEN = (1 << 12), /* Enable auto negotiation */
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ADM_PHYCFG_SPEED_100 = (1 << 13), /* Enable 100 Mbit/s */
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ADM_PHYCFG_LPBK = (1 << 14), /* Enable loopback operation */
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ADM_PHYCFG_RST = (1 << 15), /* Reset the port (self clear) */
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ADM_PHYCFG_INIT = (
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ADM_PHYCFG_RST |
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ADM_PHYCFG_SPEED_100 |
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ADM_PHYCFG_ANEN |
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ADM_PHYCFG_ANEN_RST
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)
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};
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enum {
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ADM_PORTCFG_FC = (1 << 0), /* Enable 802.x flow control */
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ADM_PORTCFG_AN = (1 << 1), /* Enable auto-negotiation */
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ADM_PORTCFG_SPEED_100 = (1 << 2), /* Enable 100 Mbit/s */
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ADM_PORTCFG_DPLX = (1 << 3), /* Enable full duplex */
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ADM_PORTCFG_OT = (1 << 4), /* Output tagged packets */
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ADM_PORTCFG_PD = (1 << 5), /* Port disable */
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ADM_PORTCFG_TV_PRIO = (1 << 6), /* 0 = VLAN based priority
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* 1 = TOS based priority */
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ADM_PORTCFG_PPE = (1 << 7), /* Port based priority enable */
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ADM_PORTCFG_PP_S = (1 << 8), /* Port based priority, 2 bits */
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ADM_PORTCFG_PVID_BASE = (1 << 10), /* Primary VLAN id, 4 bits */
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ADM_PORTCFG_FSE = (1 << 14), /* Fx select enable */
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ADM_PORTCFG_CAM = (1 << 15), /* Crossover Auto MDIX */
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ADM_PORTCFG_INIT = (
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ADM_PORTCFG_FC |
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ADM_PORTCFG_AN |
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ADM_PORTCFG_SPEED_100 |
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ADM_PORTCFG_DPLX |
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ADM_PORTCFG_CAM
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),
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ADM_PORTCFG_CPU = (
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ADM_PORTCFG_FC |
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ADM_PORTCFG_SPEED_100 |
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ADM_PORTCFG_OT |
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ADM_PORTCFG_DPLX
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),
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};
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#define ADM_PORTCFG_PPID(N) ((n & 0x3) << 8)
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#define ADM_PORTCFG_PVID(n) ((n & 0xf) << 10)
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static const u8 adm_portcfg[] = {
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[0] = ADM_P0_CFG,
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[1] = ADM_P1_CFG,
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[2] = ADM_P2_CFG,
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[3] = ADM_P3_CFG,
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[4] = ADM_P4_CFG,
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[5] = ADM_P5_CFG,
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};
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/*
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* Split the register address in phy id and register
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* it will get combined again by the mdio bus op
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*/
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#define PHYADDR(_reg) ((_reg >> 5) & 0xff), (_reg & 0x1f)
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#endif
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