1 files changed, 0 insertions, 324 deletions
diff --git a/drivers/net/sfc/sfe4001.c b/drivers/net/sfc/sfe4001.c
deleted file mode 100644
index fe4e3fd2233..00000000000
--- a/drivers/net/sfc/sfe4001.c
+++ /dev/null
@@ -1,324 +0,0 @@
-/****************************************************************************
- * Driver for Solarflare Solarstorm network controllers and boards
- * Copyright 2007 Solarflare Communications Inc.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published
- * by the Free Software Foundation, incorporated herein by reference.
- */
-
-/*****************************************************************************
- * Support for the SFE4001 NIC: driver code for the PCA9539 I/O expander that
- * controls the PHY power rails, and for the MAX6647 temp. sensor used to check
- * the PHY
- */
-#include <linux/delay.h>
-#include "net_driver.h"
-#include "efx.h"
-#include "phy.h"
-#include "boards.h"
-#include "falcon.h"
-#include "falcon_hwdefs.h"
-#include "falcon_io.h"
-#include "mac.h"
-
-/**************************************************************************
- *
- * I2C IO Expander device
- *
- **************************************************************************/
-#define	PCA9539 0x74
-
-#define	P0_IN 0x00
-#define	P0_OUT 0x02
-#define	P0_INVERT 0x04
-#define	P0_CONFIG 0x06
-
-#define	P0_EN_1V0X_LBN 0
-#define	P0_EN_1V0X_WIDTH 1
-#define	P0_EN_1V2_LBN 1
-#define	P0_EN_1V2_WIDTH 1
-#define	P0_EN_2V5_LBN 2
-#define	P0_EN_2V5_WIDTH 1
-#define	P0_EN_3V3X_LBN 3
-#define	P0_EN_3V3X_WIDTH 1
-#define	P0_EN_5V_LBN 4
-#define	P0_EN_5V_WIDTH 1
-#define	P0_SHORTEN_JTAG_LBN 5
-#define	P0_SHORTEN_JTAG_WIDTH 1
-#define	P0_X_TRST_LBN 6
-#define	P0_X_TRST_WIDTH 1
-#define	P0_DSP_RESET_LBN 7
-#define	P0_DSP_RESET_WIDTH 1
-
-#define	P1_IN 0x01
-#define	P1_OUT 0x03
-#define	P1_INVERT 0x05
-#define	P1_CONFIG 0x07
-
-#define	P1_AFE_PWD_LBN 0
-#define	P1_AFE_PWD_WIDTH 1
-#define	P1_DSP_PWD25_LBN 1
-#define	P1_DSP_PWD25_WIDTH 1
-#define	P1_RESERVED_LBN 2
-#define	P1_RESERVED_WIDTH 2
-#define	P1_SPARE_LBN 4
-#define	P1_SPARE_WIDTH 4
-
-
-/**************************************************************************
- *
- * Temperature Sensor
- *
- **************************************************************************/
-#define	MAX6647	0x4e
-
-#define	RLTS	0x00
-#define	RLTE	0x01
-#define	RSL	0x02
-#define	RCL	0x03
-#define	RCRA	0x04
-#define	RLHN	0x05
-#define	RLLI	0x06
-#define	RRHI	0x07
-#define	RRLS	0x08
-#define	WCRW	0x0a
-#define	WLHO	0x0b
-#define	WRHA	0x0c
-#define	WRLN	0x0e
-#define	OSHT	0x0f
-#define	REET	0x10
-#define	RIET	0x11
-#define	RWOE	0x19
-#define	RWOI	0x20
-#define	HYS	0x21
-#define	QUEUE	0x22
-#define	MFID	0xfe
-#define	REVID	0xff
-
-/* Status bits */
-#define MAX6647_BUSY	(1 << 7)	/* ADC is converting */
-#define MAX6647_LHIGH	(1 << 6)	/* Local high temp. alarm */
-#define MAX6647_LLOW	(1 << 5)	/* Local low temp. alarm */
-#define MAX6647_RHIGH	(1 << 4)	/* Remote high temp. alarm */
-#define MAX6647_RLOW	(1 << 3)	/* Remote low temp. alarm */
-#define MAX6647_FAULT	(1 << 2)	/* DXN/DXP short/open circuit */
-#define MAX6647_EOT	(1 << 1)	/* Remote junction overtemp. */
-#define MAX6647_IOT	(1 << 0)	/* Local junction overtemp. */
-
-static const u8 xgphy_max_temperature = 90;
-
-static void sfe4001_poweroff(struct efx_nic *efx)
-{
-	struct i2c_client *ioexp_client = efx->board_info.ioexp_client;
-	struct i2c_client *hwmon_client = efx->board_info.hwmon_client;
-
-	/* Turn off all power rails and disable outputs */
-	i2c_smbus_write_byte_data(ioexp_client, P0_OUT, 0xff);
-	i2c_smbus_write_byte_data(ioexp_client, P1_CONFIG, 0xff);
-	i2c_smbus_write_byte_data(ioexp_client, P0_CONFIG, 0xff);
-
-	/* Clear any over-temperature alert */
-	i2c_smbus_read_byte_data(hwmon_client, RSL);
-}
-
-static int sfe4001_poweron(struct efx_nic *efx)
-{
-	struct i2c_client *hwmon_client = efx->board_info.hwmon_client;
-	struct i2c_client *ioexp_client = efx->board_info.ioexp_client;
-	unsigned int i, j;
-	int rc;
-	u8 out;
-
-	/* Clear any previous over-temperature alert */
-	rc = i2c_smbus_read_byte_data(hwmon_client, RSL);
-	if (rc < 0)
-		return rc;
-
-	/* Enable port 0 and port 1 outputs on IO expander */
-	rc = i2c_smbus_write_byte_data(ioexp_client, P0_CONFIG, 0x00);
-	if (rc)
-		return rc;
-	rc = i2c_smbus_write_byte_data(ioexp_client, P1_CONFIG,
-				       0xff & ~(1 << P1_SPARE_LBN));
-	if (rc)
-		goto fail_on;
-
-	/* If PHY power is on, turn it all off and wait 1 second to
-	 * ensure a full reset.
-	 */
-	rc = i2c_smbus_read_byte_data(ioexp_client, P0_OUT);
-	if (rc < 0)
-		goto fail_on;
-	out = 0xff & ~((0 << P0_EN_1V2_LBN) | (0 << P0_EN_2V5_LBN) |
-		       (0 << P0_EN_3V3X_LBN) | (0 << P0_EN_5V_LBN) |
-		       (0 << P0_EN_1V0X_LBN));
-	if (rc != out) {
-		EFX_INFO(efx, "power-cycling PHY\n");
-		rc = i2c_smbus_write_byte_data(ioexp_client, P0_OUT, out);
-		if (rc)
-			goto fail_on;
-		schedule_timeout_uninterruptible(HZ);
-	}
-
-	for (i = 0; i < 20; ++i) {
-		/* Turn on 1.2V, 2.5V, 3.3V and 5V power rails */
-		out = 0xff & ~((1 << P0_EN_1V2_LBN) | (1 << P0_EN_2V5_LBN) |
-			       (1 << P0_EN_3V3X_LBN) | (1 << P0_EN_5V_LBN) |
-			       (1 << P0_X_TRST_LBN));
-		if (efx->phy_mode & PHY_MODE_SPECIAL)
-			out |= 1 << P0_EN_3V3X_LBN;
-
-		rc = i2c_smbus_write_byte_data(ioexp_client, P0_OUT, out);
-		if (rc)
-			goto fail_on;
-		msleep(10);
-
-		/* Turn on 1V power rail */
-		out &= ~(1 << P0_EN_1V0X_LBN);
-		rc = i2c_smbus_write_byte_data(ioexp_client, P0_OUT, out);
-		if (rc)
-			goto fail_on;
-
-		EFX_INFO(efx, "waiting for DSP boot (attempt %d)...\n", i);
-
-		/* In flash config mode, DSP does not turn on AFE, so
-		 * just wait 1 second.
-		 */
-		if (efx->phy_mode & PHY_MODE_SPECIAL) {
-			schedule_timeout_uninterruptible(HZ);
-			return 0;
-		}
-
-		for (j = 0; j < 10; ++j) {
-			msleep(100);
-
-			/* Check DSP has asserted AFE power line */
-			rc = i2c_smbus_read_byte_data(ioexp_client, P1_IN);
-			if (rc < 0)
-				goto fail_on;
-			if (rc & (1 << P1_AFE_PWD_LBN))
-				return 0;
-		}
-	}
-
-	EFX_INFO(efx, "timed out waiting for DSP boot\n");
-	rc = -ETIMEDOUT;
-fail_on:
-	sfe4001_poweroff(efx);
-	return rc;
-}
-
-/* On SFE4001 rev A2 and later, we can control the FLASH_CFG_1 pin
- * using the 3V3X output of the IO-expander.  Allow the user to set
- * this when the device is stopped, and keep it stopped then.
- */
-
-static ssize_t show_phy_flash_cfg(struct device *dev,
-				  struct device_attribute *attr, char *buf)
-{
-	struct efx_nic *efx = pci_get_drvdata(to_pci_dev(dev));
-	return sprintf(buf, "%d\n", !!(efx->phy_mode & PHY_MODE_SPECIAL));
-}
-
-static ssize_t set_phy_flash_cfg(struct device *dev,
-				 struct device_attribute *attr,
-				 const char *buf, size_t count)
-{
-	struct efx_nic *efx = pci_get_drvdata(to_pci_dev(dev));
-	enum efx_phy_mode old_mode, new_mode;
-	int err;
-
-	rtnl_lock();
-	old_mode = efx->phy_mode;
-	if (count == 0 || *buf == '0')
-		new_mode = old_mode & ~PHY_MODE_SPECIAL;
-	else
-		new_mode = PHY_MODE_SPECIAL;
-	if (old_mode == new_mode) {
-		err = 0;
-	} else if (efx->state != STATE_RUNNING || netif_running(efx->net_dev)) {
-		err = -EBUSY;
-	} else {
-		efx->phy_mode = new_mode;
-		err = sfe4001_poweron(efx);
-		efx_reconfigure_port(efx);
-	}
-	rtnl_unlock();
-
-	return err ? err : count;
-}
-
-static DEVICE_ATTR(phy_flash_cfg, 0644, show_phy_flash_cfg, set_phy_flash_cfg);
-
-static void sfe4001_fini(struct efx_nic *efx)
-{
-	EFX_INFO(efx, "%s\n", __func__);
-
-	device_remove_file(&efx->pci_dev->dev, &dev_attr_phy_flash_cfg);
-	sfe4001_poweroff(efx);
-	i2c_unregister_device(efx->board_info.ioexp_client);
-	i2c_unregister_device(efx->board_info.hwmon_client);
-}
-
-/* This board uses an I2C expander to provider power to the PHY, which needs to
- * be turned on before the PHY can be used.
- * Context: Process context, rtnl lock held
- */
-int sfe4001_init(struct efx_nic *efx)
-{
-	struct i2c_client *hwmon_client;
-	int rc;
-
-	hwmon_client = i2c_new_dummy(&efx->i2c_adap, MAX6647);
-	if (!hwmon_client)
-		return -EIO;
-	efx->board_info.hwmon_client = hwmon_client;
-
-	/* Set DSP over-temperature alert threshold */
-	EFX_INFO(efx, "DSP cut-out at %dC\n", xgphy_max_temperature);
-	rc = i2c_smbus_write_byte_data(hwmon_client, WLHO,
-				       xgphy_max_temperature);
-	if (rc)
-		goto fail_ioexp;
-
-	/* Read it back and verify */
-	rc = i2c_smbus_read_byte_data(hwmon_client, RLHN);
-	if (rc < 0)
-		goto fail_ioexp;
-	if (rc != xgphy_max_temperature) {
-		rc = -EFAULT;
-		goto fail_ioexp;
-	}
-
-	efx->board_info.ioexp_client = i2c_new_dummy(&efx->i2c_adap, PCA9539);
-	if (!efx->board_info.ioexp_client) {
-		rc = -EIO;
-		goto fail_hwmon;
-	}
-
-	/* 10Xpress has fixed-function LED pins, so there is no board-specific
-	 * blink code. */
-	efx->board_info.blink = tenxpress_phy_blink;
-
-	efx->board_info.fini = sfe4001_fini;
-
-	rc = sfe4001_poweron(efx);
-	if (rc)
-		goto fail_ioexp;
-
-	rc = device_create_file(&efx->pci_dev->dev, &dev_attr_phy_flash_cfg);
-	if (rc)
-		goto fail_on;
-
-	EFX_INFO(efx, "PHY is powered on\n");
-	return 0;
-
-fail_on:
-	sfe4001_poweroff(efx);
-fail_ioexp:
-	i2c_unregister_device(efx->board_info.ioexp_client);
-fail_hwmon:
-	i2c_unregister_device(hwmon_client);
-	return rc;
-}