chelsio: remove unused code for 1G boards

Some code for Chelsio 1G boards was put in the driver
based on the vendor version (minus TOE). Well some of those board
versions are only supported with TOE on the vendor driver, so additional
dead code was added.

Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

1 files changed, 0 insertions, 367 deletions

diff --git a/drivers/net/chelsio/vsc8244.c b/drivers/net/chelsio/vsc8244.c
deleted file mode 100644
index 251d4859c91..00000000000
--- a/drivers/net/chelsio/vsc8244.c
+++ /dev/null
@@ -1,367 +0,0 @@
-/*
- * 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
-};
-
-