+++ /dev/null
-/* $Date: 2005/11/12 02:13:49 $ $RCSfile: ixf1010.c,v $ $Revision: 1.36 $ */
-#include "gmac.h"
-#include "elmer0.h"
-
-/* Update fast changing statistics every 15 seconds */
-#define STATS_TICK_SECS 15
-/* 30 minutes for full statistics update */
-#define MAJOR_UPDATE_TICKS (1800 / STATS_TICK_SECS)
-
-/*
- * The IXF1010 can handle frames up to 16383 bytes but it's optimized for
- * frames up to 9831 (0x2667) bytes, so we limit jumbo frame size to this.
- * This length includes ethernet header and FCS.
- */
-#define MAX_FRAME_SIZE 0x2667
-
-/* MAC registers */
-enum {
- /* Per-port registers */
- REG_MACADDR_LOW = 0,
- REG_MACADDR_HIGH = 0x4,
- REG_FDFC_TYPE = 0xC,
- REG_FC_TX_TIMER_VALUE = 0x1c,
- REG_IPG_RX_TIME1 = 0x28,
- REG_IPG_RX_TIME2 = 0x2c,
- REG_IPG_TX_TIME = 0x30,
- REG_PAUSE_THRES = 0x38,
- REG_MAX_FRAME_SIZE = 0x3c,
- REG_RGMII_SPEED = 0x40,
- REG_FC_ENABLE = 0x48,
- REG_DISCARD_CTRL_FRAMES = 0x54,
- REG_DIVERSE_CONFIG = 0x60,
- REG_RX_FILTER = 0x64,
- REG_MC_ADDR_LOW = 0x68,
- REG_MC_ADDR_HIGH = 0x6c,
-
- REG_RX_OCTETS_OK = 0x80,
- REG_RX_OCTETS_BAD = 0x84,
- REG_RX_UC_PKTS = 0x88,
- REG_RX_MC_PKTS = 0x8c,
- REG_RX_BC_PKTS = 0x90,
- REG_RX_FCS_ERR = 0xb0,
- REG_RX_TAGGED = 0xb4,
- REG_RX_DATA_ERR = 0xb8,
- REG_RX_ALIGN_ERR = 0xbc,
- REG_RX_LONG_ERR = 0xc0,
- REG_RX_JABBER_ERR = 0xc4,
- REG_RX_PAUSE_FRAMES = 0xc8,
- REG_RX_UNKNOWN_CTRL_FRAMES = 0xcc,
- REG_RX_VERY_LONG_ERR = 0xd0,
- REG_RX_RUNT_ERR = 0xd4,
- REG_RX_SHORT_ERR = 0xd8,
- REG_RX_SYMBOL_ERR = 0xe4,
-
- REG_TX_OCTETS_OK = 0x100,
- REG_TX_OCTETS_BAD = 0x104,
- REG_TX_UC_PKTS = 0x108,
- REG_TX_MC_PKTS = 0x10c,
- REG_TX_BC_PKTS = 0x110,
- REG_TX_EXCESSIVE_LEN_DROP = 0x14c,
- REG_TX_UNDERRUN = 0x150,
- REG_TX_TAGGED = 0x154,
- REG_TX_PAUSE_FRAMES = 0x15C,
-
- /* Global registers */
- REG_PORT_ENABLE = 0x1400,
-
- REG_JTAG_ID = 0x1430,
-
- RX_FIFO_HIGH_WATERMARK_BASE = 0x1600,
- RX_FIFO_LOW_WATERMARK_BASE = 0x1628,
- RX_FIFO_FRAMES_REMOVED_BASE = 0x1650,
-
- REG_RX_ERR_DROP = 0x167c,
- REG_RX_FIFO_OVERFLOW_EVENT = 0x1680,
-
- TX_FIFO_HIGH_WATERMARK_BASE = 0x1800,
- TX_FIFO_LOW_WATERMARK_BASE = 0x1828,
- TX_FIFO_XFER_THRES_BASE = 0x1850,
-
- REG_TX_FIFO_OVERFLOW_EVENT = 0x1878,
- REG_TX_FIFO_OOS_EVENT = 0x1884,
-
- TX_FIFO_FRAMES_REMOVED_BASE = 0x1888,
-
- REG_SPI_RX_BURST = 0x1c00,
- REG_SPI_RX_TRAINING = 0x1c04,
- REG_SPI_RX_CALENDAR = 0x1c08,
- REG_SPI_TX_SYNC = 0x1c0c
-};
-
-enum { /* RMON registers */
- REG_RxOctetsTotalOK = 0x80,
- REG_RxOctetsBad = 0x84,
- REG_RxUCPkts = 0x88,
- REG_RxMCPkts = 0x8c,
- REG_RxBCPkts = 0x90,
- REG_RxJumboPkts = 0xac,
- REG_RxFCSErrors = 0xb0,
- REG_RxDataErrors = 0xb8,
- REG_RxAlignErrors = 0xbc,
- REG_RxLongErrors = 0xc0,
- REG_RxJabberErrors = 0xc4,
- REG_RxPauseMacControlCounter = 0xc8,
- REG_RxVeryLongErrors = 0xd0,
- REG_RxRuntErrors = 0xd4,
- REG_RxShortErrors = 0xd8,
- REG_RxSequenceErrors = 0xe0,
- REG_RxSymbolErrors = 0xe4,
-
- REG_TxOctetsTotalOK = 0x100,
- REG_TxOctetsBad = 0x104,
- REG_TxUCPkts = 0x108,
- REG_TxMCPkts = 0x10c,
- REG_TxBCPkts = 0x110,
- REG_TxJumboPkts = 0x12C,
- REG_TxTotalCollisions = 0x134,
- REG_TxExcessiveLengthDrop = 0x14c,
- REG_TxUnderrun = 0x150,
- REG_TxCRCErrors = 0x158,
- REG_TxPauseFrames = 0x15c
-};
-
-enum {
- DIVERSE_CONFIG_PAD_ENABLE = 0x80,
- DIVERSE_CONFIG_CRC_ADD = 0x40
-};
-
-#define MACREG_BASE 0
-#define MACREG(mac, mac_reg) ((mac)->instance->mac_base + (mac_reg))
-
-struct _cmac_instance {
- u32 mac_base;
- u32 index;
- u32 version;
- u32 ticks;
-};
-
-static void disable_port(struct cmac *mac)
-{
- u32 val;
-
- t1_tpi_read(mac->adapter, REG_PORT_ENABLE, &val);
- val &= ~(1 << mac->instance->index);
- t1_tpi_write(mac->adapter, REG_PORT_ENABLE, val);
-}
-
-/*
- * Read the current values of the RMON counters and add them to the cumulative
- * port statistics. The HW RMON counters are cleared by this operation.
- */
-static void port_stats_update(struct cmac *mac)
-{
- static struct {
- unsigned int reg;
- unsigned int offset;
- } hw_stats[] = {
-
-#define HW_STAT(name, stat_name) \
- { REG_##name, \
- (&((struct cmac_statistics *)NULL)->stat_name) - (u64 *)NULL }
-
- /* Rx stats */
- HW_STAT(RxOctetsTotalOK, RxOctetsOK),
- HW_STAT(RxOctetsBad, RxOctetsBad),
- HW_STAT(RxUCPkts, RxUnicastFramesOK),
- HW_STAT(RxMCPkts, RxMulticastFramesOK),
- HW_STAT(RxBCPkts, RxBroadcastFramesOK),
- HW_STAT(RxJumboPkts, RxJumboFramesOK),
- HW_STAT(RxFCSErrors, RxFCSErrors),
- HW_STAT(RxAlignErrors, RxAlignErrors),
- HW_STAT(RxLongErrors, RxFrameTooLongErrors),
- HW_STAT(RxVeryLongErrors, RxFrameTooLongErrors),
- HW_STAT(RxPauseMacControlCounter, RxPauseFrames),
- HW_STAT(RxDataErrors, RxDataErrors),
- HW_STAT(RxJabberErrors, RxJabberErrors),
- HW_STAT(RxRuntErrors, RxRuntErrors),
- HW_STAT(RxShortErrors, RxRuntErrors),
- HW_STAT(RxSequenceErrors, RxSequenceErrors),
- HW_STAT(RxSymbolErrors, RxSymbolErrors),
-
- /* Tx stats (skip collision stats as we are full-duplex only) */
- HW_STAT(TxOctetsTotalOK, TxOctetsOK),
- HW_STAT(TxOctetsBad, TxOctetsBad),
- HW_STAT(TxUCPkts, TxUnicastFramesOK),
- HW_STAT(TxMCPkts, TxMulticastFramesOK),
- HW_STAT(TxBCPkts, TxBroadcastFramesOK),
- HW_STAT(TxJumboPkts, TxJumboFramesOK),
- HW_STAT(TxPauseFrames, TxPauseFrames),
- HW_STAT(TxExcessiveLengthDrop, TxLengthErrors),
- HW_STAT(TxUnderrun, TxUnderrun),
- HW_STAT(TxCRCErrors, TxFCSErrors)
- }, *p = hw_stats;
- u64 *stats = (u64 *) &mac->stats;
- unsigned int i;
-
- for (i = 0; i < ARRAY_SIZE(hw_stats); i++) {
- u32 val;
-
- t1_tpi_read(mac->adapter, MACREG(mac, p->reg), &val);
- stats[p->offset] += val;
- }
-}
-
-/* No-op interrupt operation as this MAC does not support interrupts */
-static int mac_intr_op(struct cmac *mac)
-{
- return 0;
-}
-
-/* Expect MAC address to be in network byte order. */
-static int mac_set_address(struct cmac *mac, u8 addr[6])
-{
- u32 addr_lo, addr_hi;
-
- addr_lo = addr[2];
- addr_lo = (addr_lo << 8) | addr[3];
- addr_lo = (addr_lo << 8) | addr[4];
- addr_lo = (addr_lo << 8) | addr[5];
-
- addr_hi = addr[0];
- addr_hi = (addr_hi << 8) | addr[1];
-
- t1_tpi_write(mac->adapter, MACREG(mac, REG_MACADDR_LOW), addr_lo);
- t1_tpi_write(mac->adapter, MACREG(mac, REG_MACADDR_HIGH), addr_hi);
- return 0;
-}
-
-static int mac_get_address(struct cmac *mac, u8 addr[6])
-{
- u32 addr_lo, addr_hi;
-
- t1_tpi_read(mac->adapter, MACREG(mac, REG_MACADDR_LOW), &addr_lo);
- t1_tpi_read(mac->adapter, MACREG(mac, REG_MACADDR_HIGH), &addr_hi);
-
- addr[0] = (u8) (addr_hi >> 8);
- addr[1] = (u8) addr_hi;
- addr[2] = (u8) (addr_lo >> 24);
- addr[3] = (u8) (addr_lo >> 16);
- addr[4] = (u8) (addr_lo >> 8);
- addr[5] = (u8) addr_lo;
- return 0;
-}
-
-/* This is intended to reset a port, not the whole MAC */
-static int mac_reset(struct cmac *mac)
-{
- return 0;
-}
-
-static int mac_set_rx_mode(struct cmac *mac, struct t1_rx_mode *rm)
-{
- u32 val, new_mode;
- adapter_t *adapter = mac->adapter;
- u32 addr_lo, addr_hi;
- u8 *addr;
-
- t1_tpi_read(adapter, MACREG(mac, REG_RX_FILTER), &val);
- new_mode = val & ~7;
- if (!t1_rx_mode_promisc(rm) && mac->instance->version > 0)
- new_mode |= 1; /* only set if version > 0 due to erratum */
- if (!t1_rx_mode_promisc(rm) && !t1_rx_mode_allmulti(rm)
- && t1_rx_mode_mc_cnt(rm) <= 1)
- new_mode |= 2;
- if (new_mode != val)
- t1_tpi_write(adapter, MACREG(mac, REG_RX_FILTER), new_mode);
- switch (t1_rx_mode_mc_cnt(rm)) {
- case 0:
- t1_tpi_write(adapter, MACREG(mac, REG_MC_ADDR_LOW), 0);
- t1_tpi_write(adapter, MACREG(mac, REG_MC_ADDR_HIGH), 0);
- break;
- case 1:
- addr = t1_get_next_mcaddr(rm);
- addr_lo = (addr[2] << 24) | (addr[3] << 16) | (addr[4] << 8) |
- addr[5];
- addr_hi = (addr[0] << 8) | addr[1];
- t1_tpi_write(adapter, MACREG(mac, REG_MC_ADDR_LOW), addr_lo);
- t1_tpi_write(adapter, MACREG(mac, REG_MC_ADDR_HIGH), addr_hi);
- break;
- default:
- break;
- }
- return 0;
-}
-
-static int mac_set_mtu(struct cmac *mac, int mtu)
-{
- /* MAX_FRAME_SIZE inludes header + FCS, mtu doesn't */
- if (mtu > (MAX_FRAME_SIZE - 14 - 4))
- return -EINVAL;
- t1_tpi_write(mac->adapter, MACREG(mac, REG_MAX_FRAME_SIZE),
- mtu + 14 + 4);
- return 0;
-}
-
-static int mac_set_speed_duplex_fc(struct cmac *mac, int speed, int duplex,
- int fc)
-{
- u32 val;
-
- if (speed >= 0 && speed != SPEED_100 && speed != SPEED_1000)
- return -1;
- if (duplex >= 0 && duplex != DUPLEX_FULL)
- return -1;
-
- if (speed >= 0) {
- val = speed == SPEED_100 ? 1 : 2;
- t1_tpi_write(mac->adapter, MACREG(mac, REG_RGMII_SPEED), val);
- }
-
- t1_tpi_read(mac->adapter, MACREG(mac, REG_FC_ENABLE), &val);
- val &= ~3;
- if (fc & PAUSE_RX)
- val |= 1;
- if (fc & PAUSE_TX)
- val |= 2;
- t1_tpi_write(mac->adapter, MACREG(mac, REG_FC_ENABLE), val);
- return 0;
-}
-
-static int mac_get_speed_duplex_fc(struct cmac *mac, int *speed, int *duplex,
- int *fc)
-{
- u32 val;
-
- if (duplex)
- *duplex = DUPLEX_FULL;
- if (speed) {
- t1_tpi_read(mac->adapter, MACREG(mac, REG_RGMII_SPEED),
- &val);
- *speed = (val & 2) ? SPEED_1000 : SPEED_100;
- }
- if (fc) {
- t1_tpi_read(mac->adapter, MACREG(mac, REG_FC_ENABLE), &val);
- *fc = 0;
- if (val & 1)
- *fc |= PAUSE_RX;
- if (val & 2)
- *fc |= PAUSE_TX;
- }
- return 0;
-}
-
-static void enable_port(struct cmac *mac)
-{
- u32 val;
- u32 index = mac->instance->index;
- adapter_t *adapter = mac->adapter;
-
- t1_tpi_read(adapter, MACREG(mac, REG_DIVERSE_CONFIG), &val);
- val |= DIVERSE_CONFIG_CRC_ADD | DIVERSE_CONFIG_PAD_ENABLE;
- t1_tpi_write(adapter, MACREG(mac, REG_DIVERSE_CONFIG), val);
- if (mac->instance->version > 0)
- t1_tpi_write(adapter, MACREG(mac, REG_RX_FILTER), 3);
- else /* Don't enable unicast address filtering due to IXF1010 bug */
- t1_tpi_write(adapter, MACREG(mac, REG_RX_FILTER), 2);
-
- t1_tpi_read(adapter, REG_RX_ERR_DROP, &val);
- val |= (1 << index);
- t1_tpi_write(adapter, REG_RX_ERR_DROP, val);
-
- /*
- * Clear the port RMON registers by adding their current values to the
- * cumulatice port stats and then clearing the stats. Really.
- */
- port_stats_update(mac);
- memset(&mac->stats, 0, sizeof(struct cmac_statistics));
- mac->instance->ticks = 0;
-
- t1_tpi_read(adapter, REG_PORT_ENABLE, &val);
- val |= (1 << index);
- t1_tpi_write(adapter, REG_PORT_ENABLE, val);
-
- index <<= 2;
- if (is_T2(adapter)) {
- /* T204: set the Fifo water level & threshold */
- t1_tpi_write(adapter, RX_FIFO_HIGH_WATERMARK_BASE + index, 0x740);
- t1_tpi_write(adapter, RX_FIFO_LOW_WATERMARK_BASE + index, 0x730);
- t1_tpi_write(adapter, TX_FIFO_HIGH_WATERMARK_BASE + index, 0x600);
- t1_tpi_write(adapter, TX_FIFO_LOW_WATERMARK_BASE + index, 0x1d0);
- t1_tpi_write(adapter, TX_FIFO_XFER_THRES_BASE + index, 0x1100);
- } else {
- /*
- * Set the TX Fifo Threshold to 0x400 instead of 0x100 to work around
- * Underrun problem. Intel has blessed this solution.
- */
- t1_tpi_write(adapter, TX_FIFO_XFER_THRES_BASE + index, 0x400);
- }
-}
-
-/* IXF1010 ports do not have separate enables for TX and RX */
-static int mac_enable(struct cmac *mac, int which)
-{
- if (which & (MAC_DIRECTION_RX | MAC_DIRECTION_TX))
- enable_port(mac);
- return 0;
-}
-
-static int mac_disable(struct cmac *mac, int which)
-{
- if (which & (MAC_DIRECTION_RX | MAC_DIRECTION_TX))
- disable_port(mac);
- return 0;
-}
-
-#define RMON_UPDATE(mac, name, stat_name) \
- t1_tpi_read((mac)->adapter, MACREG(mac, REG_##name), &val); \
- (mac)->stats.stat_name += val;
-
-/*
- * This function is called periodically to accumulate the current values of the
- * RMON counters into the port statistics. Since the counters are only 32 bits
- * some of them can overflow in less than a minute at GigE speeds, so this
- * function should be called every 30 seconds or so.
- *
- * To cut down on reading costs we update only the octet counters at each tick
- * and do a full update at major ticks, which can be every 30 minutes or more.
- */
-static const struct cmac_statistics *mac_update_statistics(struct cmac *mac,
- int flag)
-{
- if (flag == MAC_STATS_UPDATE_FULL ||
- MAJOR_UPDATE_TICKS <= mac->instance->ticks) {
- port_stats_update(mac);
- mac->instance->ticks = 0;
- } else {
- u32 val;
-
- RMON_UPDATE(mac, RxOctetsTotalOK, RxOctetsOK);
- RMON_UPDATE(mac, TxOctetsTotalOK, TxOctetsOK);
- mac->instance->ticks++;
- }
- return &mac->stats;
-}
-
-static void mac_destroy(struct cmac *mac)
-{
- kfree(mac);
-}
-
-static struct cmac_ops ixf1010_ops = {
- .destroy = mac_destroy,
- .reset = mac_reset,
- .interrupt_enable = mac_intr_op,
- .interrupt_disable = mac_intr_op,
- .interrupt_clear = mac_intr_op,
- .enable = mac_enable,
- .disable = mac_disable,
- .set_mtu = mac_set_mtu,
- .set_rx_mode = mac_set_rx_mode,
- .set_speed_duplex_fc = mac_set_speed_duplex_fc,
- .get_speed_duplex_fc = mac_get_speed_duplex_fc,
- .statistics_update = mac_update_statistics,
- .macaddress_get = mac_get_address,
- .macaddress_set = mac_set_address,
-};
-
-static int ixf1010_mac_reset(adapter_t *adapter)
-{
- u32 val;
-
- t1_tpi_read(adapter, A_ELMER0_GPO, &val);
- if ((val & 1) != 0) {
- val &= ~1;
- t1_tpi_write(adapter, A_ELMER0_GPO, val);
- udelay(2);
- }
- val |= 1;
- t1_tpi_write(adapter, A_ELMER0_GPO, val);
- udelay(2);
-
- t1_tpi_write(adapter, REG_PORT_ENABLE, 0);
- return 0;
-}
-
-static struct cmac *ixf1010_mac_create(adapter_t *adapter, int index)
-{
- struct cmac *mac;
- u32 val;
-
- if (index > 9)
- return NULL;
-
- mac = kzalloc(sizeof(*mac) + sizeof(cmac_instance), GFP_KERNEL);
- if (!mac)
- return NULL;
-
- mac->ops = &ixf1010_ops;
- mac->instance = (cmac_instance *)(mac + 1);
-
- mac->instance->mac_base = MACREG_BASE + (index * 0x200);
- mac->instance->index = index;
- mac->adapter = adapter;
- mac->instance->ticks = 0;
-
- t1_tpi_read(adapter, REG_JTAG_ID, &val);
- mac->instance->version = val >> 28;
- return mac;
-}
-
-struct gmac t1_ixf1010_ops = {
- STATS_TICK_SECS,
- ixf1010_mac_create,
- ixf1010_mac_reset
-};
+++ /dev/null
-/*
- * This file is part of the Chelsio T2 Ethernet driver.
- *
- * Copyright (C) 2005 Chelsio Communications. All rights reserved.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the LICENSE file included in this
- * release for licensing terms and conditions.
- */
-
-#include "common.h"
-#include "cphy.h"
-#include "elmer0.h"
-
-#ifndef ADVERTISE_PAUSE_CAP
-# define ADVERTISE_PAUSE_CAP 0x400
-#endif
-#ifndef ADVERTISE_PAUSE_ASYM
-# define ADVERTISE_PAUSE_ASYM 0x800
-#endif
-
-/* Gigabit MII registers */
-#ifndef MII_CTRL1000
-# define MII_CTRL1000 9
-#endif
-
-#ifndef ADVERTISE_1000FULL
-# define ADVERTISE_1000FULL 0x200
-# define ADVERTISE_1000HALF 0x100
-#endif
-
-/* VSC8244 PHY specific registers. */
-enum {
- VSC8244_INTR_ENABLE = 25,
- VSC8244_INTR_STATUS = 26,
- VSC8244_AUX_CTRL_STAT = 28,
-};
-
-enum {
- VSC_INTR_RX_ERR = 1 << 0,
- VSC_INTR_MS_ERR = 1 << 1, /* master/slave resolution error */
- VSC_INTR_CABLE = 1 << 2, /* cable impairment */
- VSC_INTR_FALSE_CARR = 1 << 3, /* false carrier */
- VSC_INTR_MEDIA_CHG = 1 << 4, /* AMS media change */
- VSC_INTR_RX_FIFO = 1 << 5, /* Rx FIFO over/underflow */
- VSC_INTR_TX_FIFO = 1 << 6, /* Tx FIFO over/underflow */
- VSC_INTR_DESCRAMBL = 1 << 7, /* descrambler lock-lost */
- VSC_INTR_SYMBOL_ERR = 1 << 8, /* symbol error */
- VSC_INTR_NEG_DONE = 1 << 10, /* autoneg done */
- VSC_INTR_NEG_ERR = 1 << 11, /* autoneg error */
- VSC_INTR_LINK_CHG = 1 << 13, /* link change */
- VSC_INTR_ENABLE = 1 << 15, /* interrupt enable */
-};
-
-#define CFG_CHG_INTR_MASK (VSC_INTR_LINK_CHG | VSC_INTR_NEG_ERR | \
- VSC_INTR_NEG_DONE)
-#define INTR_MASK (CFG_CHG_INTR_MASK | VSC_INTR_TX_FIFO | VSC_INTR_RX_FIFO | \
- VSC_INTR_ENABLE)
-
-/* PHY specific auxiliary control & status register fields */
-#define S_ACSR_ACTIPHY_TMR 0
-#define M_ACSR_ACTIPHY_TMR 0x3
-#define V_ACSR_ACTIPHY_TMR(x) ((x) << S_ACSR_ACTIPHY_TMR)
-
-#define S_ACSR_SPEED 3
-#define M_ACSR_SPEED 0x3
-#define G_ACSR_SPEED(x) (((x) >> S_ACSR_SPEED) & M_ACSR_SPEED)
-
-#define S_ACSR_DUPLEX 5
-#define F_ACSR_DUPLEX (1 << S_ACSR_DUPLEX)
-
-#define S_ACSR_ACTIPHY 6
-#define F_ACSR_ACTIPHY (1 << S_ACSR_ACTIPHY)
-
-/*
- * Reset the PHY. This PHY completes reset immediately so we never wait.
- */
-static int vsc8244_reset(struct cphy *cphy, int wait)
-{
- int err;
- unsigned int ctl;
-
- err = simple_mdio_read(cphy, MII_BMCR, &ctl);
- if (err)
- return err;
-
- ctl &= ~BMCR_PDOWN;
- ctl |= BMCR_RESET;
- return simple_mdio_write(cphy, MII_BMCR, ctl);
-}
-
-static int vsc8244_intr_enable(struct cphy *cphy)
-{
- simple_mdio_write(cphy, VSC8244_INTR_ENABLE, INTR_MASK);
-
- /* Enable interrupts through Elmer */
- if (t1_is_asic(cphy->adapter)) {
- u32 elmer;
-
- t1_tpi_read(cphy->adapter, A_ELMER0_INT_ENABLE, &elmer);
- elmer |= ELMER0_GP_BIT1;
- if (is_T2(cphy->adapter))
- elmer |= ELMER0_GP_BIT2|ELMER0_GP_BIT3|ELMER0_GP_BIT4;
- t1_tpi_write(cphy->adapter, A_ELMER0_INT_ENABLE, elmer);
- }
-
- return 0;
-}
-
-static int vsc8244_intr_disable(struct cphy *cphy)
-{
- simple_mdio_write(cphy, VSC8244_INTR_ENABLE, 0);
-
- if (t1_is_asic(cphy->adapter)) {
- u32 elmer;
-
- t1_tpi_read(cphy->adapter, A_ELMER0_INT_ENABLE, &elmer);
- elmer &= ~ELMER0_GP_BIT1;
- if (is_T2(cphy->adapter))
- elmer &= ~(ELMER0_GP_BIT2|ELMER0_GP_BIT3|ELMER0_GP_BIT4);
- t1_tpi_write(cphy->adapter, A_ELMER0_INT_ENABLE, elmer);
- }
-
- return 0;
-}
-
-static int vsc8244_intr_clear(struct cphy *cphy)
-{
- u32 val;
- u32 elmer;
-
- /* Clear PHY interrupts by reading the register. */
- simple_mdio_read(cphy, VSC8244_INTR_ENABLE, &val);
-
- if (t1_is_asic(cphy->adapter)) {
- t1_tpi_read(cphy->adapter, A_ELMER0_INT_CAUSE, &elmer);
- elmer |= ELMER0_GP_BIT1;
- if (is_T2(cphy->adapter))
- elmer |= ELMER0_GP_BIT2|ELMER0_GP_BIT3|ELMER0_GP_BIT4;
- t1_tpi_write(cphy->adapter, A_ELMER0_INT_CAUSE, elmer);
- }
-
- return 0;
-}
-
-/*
- * Force the PHY speed and duplex. This also disables auto-negotiation, except
- * for 1Gb/s, where auto-negotiation is mandatory.
- */
-static int vsc8244_set_speed_duplex(struct cphy *phy, int speed, int duplex)
-{
- int err;
- unsigned int ctl;
-
- err = simple_mdio_read(phy, MII_BMCR, &ctl);
- if (err)
- return err;
-
- if (speed >= 0) {
- ctl &= ~(BMCR_SPEED100 | BMCR_SPEED1000 | BMCR_ANENABLE);
- if (speed == SPEED_100)
- ctl |= BMCR_SPEED100;
- else if (speed == SPEED_1000)
- ctl |= BMCR_SPEED1000;
- }
- if (duplex >= 0) {
- ctl &= ~(BMCR_FULLDPLX | BMCR_ANENABLE);
- if (duplex == DUPLEX_FULL)
- ctl |= BMCR_FULLDPLX;
- }
- if (ctl & BMCR_SPEED1000) /* auto-negotiation required for 1Gb/s */
- ctl |= BMCR_ANENABLE;
- return simple_mdio_write(phy, MII_BMCR, ctl);
-}
-
-int t1_mdio_set_bits(struct cphy *phy, int mmd, int reg, unsigned int bits)
-{
- int ret;
- unsigned int val;
-
- ret = mdio_read(phy, mmd, reg, &val);
- if (!ret)
- ret = mdio_write(phy, mmd, reg, val | bits);
- return ret;
-}
-
-static int vsc8244_autoneg_enable(struct cphy *cphy)
-{
- return t1_mdio_set_bits(cphy, 0, MII_BMCR,
- BMCR_ANENABLE | BMCR_ANRESTART);
-}
-
-static int vsc8244_autoneg_restart(struct cphy *cphy)
-{
- return t1_mdio_set_bits(cphy, 0, MII_BMCR, BMCR_ANRESTART);
-}
-
-static int vsc8244_advertise(struct cphy *phy, unsigned int advertise_map)
-{
- int err;
- unsigned int val = 0;
-
- err = simple_mdio_read(phy, MII_CTRL1000, &val);
- if (err)
- return err;
-
- val &= ~(ADVERTISE_1000HALF | ADVERTISE_1000FULL);
- if (advertise_map & ADVERTISED_1000baseT_Half)
- val |= ADVERTISE_1000HALF;
- if (advertise_map & ADVERTISED_1000baseT_Full)
- val |= ADVERTISE_1000FULL;
-
- err = simple_mdio_write(phy, MII_CTRL1000, val);
- if (err)
- return err;
-
- val = 1;
- if (advertise_map & ADVERTISED_10baseT_Half)
- val |= ADVERTISE_10HALF;
- if (advertise_map & ADVERTISED_10baseT_Full)
- val |= ADVERTISE_10FULL;
- if (advertise_map & ADVERTISED_100baseT_Half)
- val |= ADVERTISE_100HALF;
- if (advertise_map & ADVERTISED_100baseT_Full)
- val |= ADVERTISE_100FULL;
- if (advertise_map & ADVERTISED_PAUSE)
- val |= ADVERTISE_PAUSE_CAP;
- if (advertise_map & ADVERTISED_ASYM_PAUSE)
- val |= ADVERTISE_PAUSE_ASYM;
- return simple_mdio_write(phy, MII_ADVERTISE, val);
-}
-
-static int vsc8244_get_link_status(struct cphy *cphy, int *link_ok,
- int *speed, int *duplex, int *fc)
-{
- unsigned int bmcr, status, lpa, adv;
- int err, sp = -1, dplx = -1, pause = 0;
-
- err = simple_mdio_read(cphy, MII_BMCR, &bmcr);
- if (!err)
- err = simple_mdio_read(cphy, MII_BMSR, &status);
- if (err)
- return err;
-
- if (link_ok) {
- /*
- * BMSR_LSTATUS is latch-low, so if it is 0 we need to read it
- * once more to get the current link state.
- */
- if (!(status & BMSR_LSTATUS))
- err = simple_mdio_read(cphy, MII_BMSR, &status);
- if (err)
- return err;
- *link_ok = (status & BMSR_LSTATUS) != 0;
- }
- if (!(bmcr & BMCR_ANENABLE)) {
- dplx = (bmcr & BMCR_FULLDPLX) ? DUPLEX_FULL : DUPLEX_HALF;
- if (bmcr & BMCR_SPEED1000)
- sp = SPEED_1000;
- else if (bmcr & BMCR_SPEED100)
- sp = SPEED_100;
- else
- sp = SPEED_10;
- } else if (status & BMSR_ANEGCOMPLETE) {
- err = simple_mdio_read(cphy, VSC8244_AUX_CTRL_STAT, &status);
- if (err)
- return err;
-
- dplx = (status & F_ACSR_DUPLEX) ? DUPLEX_FULL : DUPLEX_HALF;
- sp = G_ACSR_SPEED(status);
- if (sp == 0)
- sp = SPEED_10;
- else if (sp == 1)
- sp = SPEED_100;
- else
- sp = SPEED_1000;
-
- if (fc && dplx == DUPLEX_FULL) {
- err = simple_mdio_read(cphy, MII_LPA, &lpa);
- if (!err)
- err = simple_mdio_read(cphy, MII_ADVERTISE,
- &adv);
- if (err)
- return err;
-
- if (lpa & adv & ADVERTISE_PAUSE_CAP)
- pause = PAUSE_RX | PAUSE_TX;
- else if ((lpa & ADVERTISE_PAUSE_CAP) &&
- (lpa & ADVERTISE_PAUSE_ASYM) &&
- (adv & ADVERTISE_PAUSE_ASYM))
- pause = PAUSE_TX;
- else if ((lpa & ADVERTISE_PAUSE_ASYM) &&
- (adv & ADVERTISE_PAUSE_CAP))
- pause = PAUSE_RX;
- }
- }
- if (speed)
- *speed = sp;
- if (duplex)
- *duplex = dplx;
- if (fc)
- *fc = pause;
- return 0;
-}
-
-static int vsc8244_intr_handler(struct cphy *cphy)
-{
- unsigned int cause;
- int err, cphy_cause = 0;
-
- err = simple_mdio_read(cphy, VSC8244_INTR_STATUS, &cause);
- if (err)
- return err;
-
- cause &= INTR_MASK;
- if (cause & CFG_CHG_INTR_MASK)
- cphy_cause |= cphy_cause_link_change;
- if (cause & (VSC_INTR_RX_FIFO | VSC_INTR_TX_FIFO))
- cphy_cause |= cphy_cause_fifo_error;
- return cphy_cause;
-}
-
-static void vsc8244_destroy(struct cphy *cphy)
-{
- kfree(cphy);
-}
-
-static struct cphy_ops vsc8244_ops = {
- .destroy = vsc8244_destroy,
- .reset = vsc8244_reset,
- .interrupt_enable = vsc8244_intr_enable,
- .interrupt_disable = vsc8244_intr_disable,
- .interrupt_clear = vsc8244_intr_clear,
- .interrupt_handler = vsc8244_intr_handler,
- .autoneg_enable = vsc8244_autoneg_enable,
- .autoneg_restart = vsc8244_autoneg_restart,
- .advertise = vsc8244_advertise,
- .set_speed_duplex = vsc8244_set_speed_duplex,
- .get_link_status = vsc8244_get_link_status
-};
-
-static struct cphy* vsc8244_phy_create(adapter_t *adapter, int phy_addr,
- struct mdio_ops *mdio_ops)
-{
- struct cphy *cphy = kzalloc(sizeof(*cphy), GFP_KERNEL);
-
- if (!cphy)
- return NULL;
-
- cphy_init(cphy, adapter, phy_addr, &vsc8244_ops, mdio_ops);
-
- return cphy;
-}
-
-
-static int vsc8244_phy_reset(adapter_t* adapter)
-{
- return 0;
-}
-
-struct gphy t1_vsc8244_ops = {
- vsc8244_phy_create,
- vsc8244_phy_reset
-};
-
-
+++ /dev/null
-/* $Date: 2005/11/23 16:28:53 $ $RCSfile: vsc8244_reg.h,v $ $Revision: 1.1 $ */
-#ifndef CHELSIO_MV8E1XXX_H
-#define CHELSIO_MV8E1XXX_H
-
-#ifndef BMCR_SPEED1000
-# define BMCR_SPEED1000 0x40
-#endif
-
-#ifndef ADVERTISE_PAUSE
-# define ADVERTISE_PAUSE 0x400
-#endif
-#ifndef ADVERTISE_PAUSE_ASYM
-# define ADVERTISE_PAUSE_ASYM 0x800
-#endif
-
-/* Gigabit MII registers */
-#define MII_GBMR 1 /* 1000Base-T mode register */
-#define MII_GBCR 9 /* 1000Base-T control register */
-#define MII_GBSR 10 /* 1000Base-T status register */
-
-/* 1000Base-T control register fields */
-#define GBCR_ADV_1000HALF 0x100
-#define GBCR_ADV_1000FULL 0x200
-#define GBCR_PREFER_MASTER 0x400
-#define GBCR_MANUAL_AS_MASTER 0x800
-#define GBCR_MANUAL_CONFIG_ENABLE 0x1000
-
-/* 1000Base-T status register fields */
-#define GBSR_LP_1000HALF 0x400
-#define GBSR_LP_1000FULL 0x800
-#define GBSR_REMOTE_OK 0x1000
-#define GBSR_LOCAL_OK 0x2000
-#define GBSR_LOCAL_MASTER 0x4000
-#define GBSR_MASTER_FAULT 0x8000
-
-/* Vitesse PHY interrupt status bits. */
-#if 0
-#define VSC8244_INTR_JABBER 0x0001
-#define VSC8244_INTR_POLARITY_CHNG 0x0002
-#define VSC8244_INTR_ENG_DETECT_CHNG 0x0010
-#define VSC8244_INTR_DOWNSHIFT 0x0020
-#define VSC8244_INTR_MDI_XOVER_CHNG 0x0040
-#define VSC8244_INTR_FIFO_OVER_UNDER 0x0080
-#define VSC8244_INTR_FALSE_CARRIER 0x0100
-#define VSC8244_INTR_SYMBOL_ERROR 0x0200
-#define VSC8244_INTR_LINK_CHNG 0x0400
-#define VSC8244_INTR_AUTONEG_DONE 0x0800
-#define VSC8244_INTR_PAGE_RECV 0x1000
-#define VSC8244_INTR_DUPLEX_CHNG 0x2000
-#define VSC8244_INTR_SPEED_CHNG 0x4000
-#define VSC8244_INTR_AUTONEG_ERR 0x8000
-#else
-//#define VSC8244_INTR_JABBER 0x0001
-//#define VSC8244_INTR_POLARITY_CHNG 0x0002
-//#define VSC8244_INTR_BIT2 0x0004
-//#define VSC8244_INTR_BIT3 0x0008
-#define VSC8244_INTR_RX_ERR 0x0001
-#define VSC8244_INTR_MASTER_SLAVE 0x0002
-#define VSC8244_INTR_CABLE_IMPAIRED 0x0004
-#define VSC8244_INTR_FALSE_CARRIER 0x0008
-//#define VSC8244_INTR_ENG_DETECT_CHNG 0x0010
-//#define VSC8244_INTR_DOWNSHIFT 0x0020
-//#define VSC8244_INTR_MDI_XOVER_CHNG 0x0040
-//#define VSC8244_INTR_FIFO_OVER_UNDER 0x0080
-#define VSC8244_INTR_BIT4 0x0010
-#define VSC8244_INTR_FIFO_RX 0x0020
-#define VSC8244_INTR_FIFO_OVER_UNDER 0x0040
-#define VSC8244_INTR_LOCK_LOST 0x0080
-//#define VSC8244_INTR_FALSE_CARRIER 0x0100
-//#define VSC8244_INTR_SYMBOL_ERROR 0x0200
-//#define VSC8244_INTR_LINK_CHNG 0x0400
-//#define VSC8244_INTR_AUTONEG_DONE 0x0800
-#define VSC8244_INTR_SYMBOL_ERROR 0x0100
-#define VSC8244_INTR_ENG_DETECT_CHNG 0x0200
-#define VSC8244_INTR_AUTONEG_DONE 0x0400
-#define VSC8244_INTR_AUTONEG_ERR 0x0800
-//#define VSC8244_INTR_PAGE_RECV 0x1000
-//#define VSC8244_INTR_DUPLEX_CHNG 0x2000
-//#define VSC8244_INTR_SPEED_CHNG 0x4000
-//#define VSC8244_INTR_AUTONEG_ERR 0x8000
-#define VSC8244_INTR_DUPLEX_CHNG 0x1000
-#define VSC8244_INTR_LINK_CHNG 0x2000
-#define VSC8244_INTR_SPEED_CHNG 0x4000
-#define VSC8244_INTR_STATUS 0x8000
-#endif
-
-
-/* Vitesse PHY specific registers. */
-#define VSC8244_SPECIFIC_CNTRL_REGISTER 16
-#define VSC8244_SPECIFIC_STATUS_REGISTER 0x1c
-#define VSC8244_INTERRUPT_ENABLE_REGISTER 0x19
-#define VSC8244_INTERRUPT_STATUS_REGISTER 0x1a
-#define VSC8244_EXT_PHY_SPECIFIC_CNTRL_REGISTER 20
-#define VSC8244_RECV_ERR_CNTR_REGISTER 21
-#define VSC8244_RES_REGISTER 22
-#define VSC8244_GLOBAL_STATUS_REGISTER 23
-#define VSC8244_LED_CONTROL_REGISTER 24
-#define VSC8244_MANUAL_LED_OVERRIDE_REGISTER 25
-#define VSC8244_EXT_PHY_SPECIFIC_CNTRL_2_REGISTER 26
-#define VSC8244_EXT_PHY_SPECIFIC_STATUS_REGISTER 27
-#define VSC8244_VIRTUAL_CABLE_TESTER_REGISTER 28
-#define VSC8244_EXTENDED_ADDR_REGISTER 29
-#define VSC8244_EXTENDED_REGISTER 30
-
-/* PHY specific control register fields */
-#define S_PSCR_MDI_XOVER_MODE 5
-#define M_PSCR_MDI_XOVER_MODE 0x3
-#define V_PSCR_MDI_XOVER_MODE(x) ((x) << S_PSCR_MDI_XOVER_MODE)
-#define G_PSCR_MDI_XOVER_MODE(x) (((x) >> S_PSCR_MDI_XOVER_MODE) & M_PSCR_MDI_XOVER_MODE)
-
-/* Extended PHY specific control register fields */
-#define S_DOWNSHIFT_ENABLE 8
-#define V_DOWNSHIFT_ENABLE (1 << S_DOWNSHIFT_ENABLE)
-
-#define S_DOWNSHIFT_CNT 9
-#define M_DOWNSHIFT_CNT 0x7
-#define V_DOWNSHIFT_CNT(x) ((x) << S_DOWNSHIFT_CNT)
-#define G_DOWNSHIFT_CNT(x) (((x) >> S_DOWNSHIFT_CNT) & M_DOWNSHIFT_CNT)
-
-/* PHY specific status register fields */
-#define S_PSSR_JABBER 0
-#define V_PSSR_JABBER (1 << S_PSSR_JABBER)
-
-#define S_PSSR_POLARITY 1
-#define V_PSSR_POLARITY (1 << S_PSSR_POLARITY)
-
-#define S_PSSR_RX_PAUSE 2
-#define V_PSSR_RX_PAUSE (1 << S_PSSR_RX_PAUSE)
-
-#define S_PSSR_TX_PAUSE 3
-#define V_PSSR_TX_PAUSE (1 << S_PSSR_TX_PAUSE)
-
-#define S_PSSR_ENERGY_DETECT 4
-#define V_PSSR_ENERGY_DETECT (1 << S_PSSR_ENERGY_DETECT)
-
-#define S_PSSR_DOWNSHIFT_STATUS 5
-#define V_PSSR_DOWNSHIFT_STATUS (1 << S_PSSR_DOWNSHIFT_STATUS)
-
-#define S_PSSR_MDI 6
-#define V_PSSR_MDI (1 << S_PSSR_MDI)
-
-#define S_PSSR_CABLE_LEN 7
-#define M_PSSR_CABLE_LEN 0x7
-#define V_PSSR_CABLE_LEN(x) ((x) << S_PSSR_CABLE_LEN)
-#define G_PSSR_CABLE_LEN(x) (((x) >> S_PSSR_CABLE_LEN) & M_PSSR_CABLE_LEN)
-
-//#define S_PSSR_LINK 10
-//#define S_PSSR_LINK 13
-#define S_PSSR_LINK 2
-#define V_PSSR_LINK (1 << S_PSSR_LINK)
-
-//#define S_PSSR_STATUS_RESOLVED 11
-//#define S_PSSR_STATUS_RESOLVED 10
-#define S_PSSR_STATUS_RESOLVED 15
-#define V_PSSR_STATUS_RESOLVED (1 << S_PSSR_STATUS_RESOLVED)
-
-#define S_PSSR_PAGE_RECEIVED 12
-#define V_PSSR_PAGE_RECEIVED (1 << S_PSSR_PAGE_RECEIVED)
-
-//#define S_PSSR_DUPLEX 13
-//#define S_PSSR_DUPLEX 12
-#define S_PSSR_DUPLEX 5
-#define V_PSSR_DUPLEX (1 << S_PSSR_DUPLEX)
-
-//#define S_PSSR_SPEED 14
-//#define S_PSSR_SPEED 14
-#define S_PSSR_SPEED 3
-#define M_PSSR_SPEED 0x3
-#define V_PSSR_SPEED(x) ((x) << S_PSSR_SPEED)
-#define G_PSSR_SPEED(x) (((x) >> S_PSSR_SPEED) & M_PSSR_SPEED)
-
-#endif
projects / powerpc.git / commitdiff