sfc: Remove support for SFN4111T, SFT9001 and Falcon GMAC

SFN4111T never reached production and is not being used for internal
or customer testing.

Since we have no production Falcon boards using the SFT9001 or the
GMAC, remove support for them as well.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 4 insertions, 123 deletions

diff --git a/drivers/net/sfc/falcon_boards.c b/drivers/net/sfc/falcon_boards.c
index 3d950c2cf205..bf029b3d3b0a 100644
--- a/drivers/net/sfc/falcon_boards.c
+++ b/drivers/net/sfc/falcon_boards.c
@@ -26,7 +26,6 @@
 /* Board types */
 #define FALCON_BOARD_SFE4001 0x01
 #define FALCON_BOARD_SFE4002 0x02
-#define FALCON_BOARD_SFN4111T 0x51
 #define FALCON_BOARD_SFN4112F 0x52
 
 /* Board temperature is about 15°C above ambient when air flow is
@@ -142,17 +141,17 @@ static inline int efx_check_lm87(struct efx_nic *efx, unsigned mask)
 #endif /* CONFIG_SENSORS_LM87 */
 
 /*****************************************************************************
- * Support for the SFE4001 and SFN4111T NICs.
+ * Support for the SFE4001 NIC.
  *
  * The SFE4001 does not power-up fully at reset due to its high power
  * consumption.  We control its power via a PCA9539 I/O expander.
- * Both boards have a MAX6647 temperature monitor which we expose to
+ * It also has a MAX6647 temperature monitor which we expose to
  * the lm90 driver.
  *
  * This also provides minimal support for reflashing the PHY, which is
  * initiated by resetting it with the FLASH_CFG_1 pin pulled down.
  * On SFE4001 rev A2 and later this is connected to the 3V3X output of
- * the IO-expander; on the SFN4111T it is connected to Falcon's GPIO3.
+ * the IO-expander.
  * We represent reflash mode as PHY_MODE_SPECIAL and make it mutually
  * exclusive with the network device being open.
  */
@@ -304,34 +303,6 @@ fail_on:
 	return rc;
 }
 
-static int sfn4111t_reset(struct efx_nic *efx)
-{
-	struct falcon_board *board = falcon_board(efx);
-	efx_oword_t reg;
-
-	/* GPIO 3 and the GPIO register are shared with I2C, so block that */
-	i2c_lock_adapter(&board->i2c_adap);
-
-	/* Pull RST_N (GPIO 2) low then let it up again, setting the
-	 * FLASH_CFG_1 strap (GPIO 3) appropriately.  Only change the
-	 * output enables; the output levels should always be 0 (low)
-	 * and we rely on external pull-ups. */
-	efx_reado(efx, &reg, FR_AB_GPIO_CTL);
-	EFX_SET_OWORD_FIELD(reg, FRF_AB_GPIO2_OEN, true);
-	efx_writeo(efx, &reg, FR_AB_GPIO_CTL);
-	msleep(1000);
-	EFX_SET_OWORD_FIELD(reg, FRF_AB_GPIO2_OEN, false);
-	EFX_SET_OWORD_FIELD(reg, FRF_AB_GPIO3_OEN,
-			    !!(efx->phy_mode & PHY_MODE_SPECIAL));
-	efx_writeo(efx, &reg, FR_AB_GPIO_CTL);
-	msleep(1);
-
-	i2c_unlock_adapter(&board->i2c_adap);
-
-	ssleep(1);
-	return 0;
-}
-
 static ssize_t show_phy_flash_cfg(struct device *dev,
 				  struct device_attribute *attr, char *buf)
 {
@@ -363,10 +334,7 @@ static ssize_t set_phy_flash_cfg(struct device *dev,
 		efx->phy_mode = new_mode;
 		if (new_mode & PHY_MODE_SPECIAL)
 			falcon_stop_nic_stats(efx);
-		if (falcon_board(efx)->type->id == FALCON_BOARD_SFE4001)
-			err = sfe4001_poweron(efx);
-		else
-			err = sfn4111t_reset(efx);
+		err = sfe4001_poweron(efx);
 		if (!err)
 			err = efx_reconfigure_port(efx);
 		if (!(new_mode & PHY_MODE_SPECIAL))
@@ -479,83 +447,6 @@ fail_hwmon:
 	return rc;
 }
 
-static int sfn4111t_check_hw(struct efx_nic *efx)
-{
-	s32 status;
-
-	/* If XAUI link is up then do not monitor */
-	if (EFX_WORKAROUND_7884(efx) && !efx->xmac_poll_required)
-		return 0;
-
-	/* Test LHIGH, RHIGH, FAULT, EOT and IOT alarms */
-	status = i2c_smbus_read_byte_data(falcon_board(efx)->hwmon_client,
-					  MAX664X_REG_RSL);
-	if (status < 0)
-		return -EIO;
-	if (status & 0x57)
-		return -ERANGE;
-	return 0;
-}
-
-static void sfn4111t_fini(struct efx_nic *efx)
-{
-	netif_info(efx, drv, efx->net_dev, "%s\n", __func__);
-
-	device_remove_file(&efx->pci_dev->dev, &dev_attr_phy_flash_cfg);
-	i2c_unregister_device(falcon_board(efx)->hwmon_client);
-}
-
-static struct i2c_board_info sfn4111t_a0_hwmon_info = {
-	I2C_BOARD_INFO("max6647", 0x4e),
-};
-
-static struct i2c_board_info sfn4111t_r5_hwmon_info = {
-	I2C_BOARD_INFO("max6646", 0x4d),
-};
-
-static void sfn4111t_init_phy(struct efx_nic *efx)
-{
-	if (!(efx->phy_mode & PHY_MODE_SPECIAL)) {
-		if (sft9001_wait_boot(efx) != -EINVAL)
-			return;
-
-		efx->phy_mode = PHY_MODE_SPECIAL;
-		falcon_stop_nic_stats(efx);
-	}
-
-	sfn4111t_reset(efx);
-	sft9001_wait_boot(efx);
-}
-
-static int sfn4111t_init(struct efx_nic *efx)
-{
-	struct falcon_board *board = falcon_board(efx);
-	int rc;
-
-	board->hwmon_client =
-		i2c_new_device(&board->i2c_adap,
-			       (board->minor < 5) ?
-			       &sfn4111t_a0_hwmon_info :
-			       &sfn4111t_r5_hwmon_info);
-	if (!board->hwmon_client)
-		return -EIO;
-
-	rc = device_create_file(&efx->pci_dev->dev, &dev_attr_phy_flash_cfg);
-	if (rc)
-		goto fail_hwmon;
-
-	if (efx->phy_mode & PHY_MODE_SPECIAL)
-		/* PHY may not generate a 156.25 MHz clock and MAC
-		 * stats fetch will fail. */
-		falcon_stop_nic_stats(efx);
-
-	return 0;
-
-fail_hwmon:
-	i2c_unregister_device(board->hwmon_client);
-	return rc;
-}
-
 /*****************************************************************************
  * Support for the SFE4002
  *
@@ -713,16 +604,6 @@ static const struct falcon_board_type board_types[] = {
 		.monitor	= sfe4002_check_hw,
 	},
 	{
-		.id		= FALCON_BOARD_SFN4111T,
-		.ref_model	= "SFN4111T",
-		.gen_type	= "100/1000/10GBASE-T adapter",
-		.init		= sfn4111t_init,
-		.init_phy	= sfn4111t_init_phy,
-		.fini		= sfn4111t_fini,
-		.set_id_led	= tenxpress_set_id_led,
-		.monitor	= sfn4111t_check_hw,
-	},
-	{
 		.id		= FALCON_BOARD_SFN4112F,
 		.ref_model	= "SFN4112F",
 		.gen_type	= "SFP+ adapter",