sfc: Add support for Solarflare 10Xpress SFT9001

Add type codes for the new PHY and rename the SFX7101 type code.

Add definition of clause 22 extension MMD.

Adapt the 10Xpress SFX7101 code to support the SFT9001 as well.
Clean up register definitions.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/sfc/enum.h

@@ -58,6 +58,9 @@ extern const char *efx_loopback_mode_names[];
 #define LOOPBACK_INTERNAL(_efx)				\
 	(!!(LOOPBACKS_INTERNAL & LOOPBACK_MASK(_efx)))
 
+#define LOOPBACK_CHANGED(_from, _to, _mask)				\
+	(!!((LOOPBACK_MASK(_from) ^ LOOPBACK_MASK(_to)) & (_mask)))
+
 #define LOOPBACK_OUT_OF(_from, _to, _mask)				\
 	((LOOPBACK_MASK(_from) & (_mask)) && !(LOOPBACK_MASK(_to) & (_mask)))
 

drivers/net/sfc/ethtool.c

@@ -219,6 +219,9 @@ int efx_ethtool_set_settings(struct net_device *net_dev,
 	struct efx_nic *efx = netdev_priv(net_dev);
 	int rc;
 
+	if (EFX_WORKAROUND_13963(efx) && !ecmd->autoneg)
+		return -EINVAL;
+
 	/* Falcon GMAC does not support 1000Mbps HD */
 	if (ecmd->speed == SPEED_1000 && ecmd->duplex != DUPLEX_FULL) {
 		EFX_LOG(efx, "rejecting unsupported 1000Mbps HD"

drivers/net/sfc/falcon.c

@@ -826,7 +826,7 @@ static void falcon_handle_rx_not_ok(struct efx_rx_queue *rx_queue,
 #endif
 
 	if (unlikely(rx_ev_eth_crc_err && EFX_WORKAROUND_10750(efx) &&
-		     efx->phy_type == PHY_TYPE_10XPRESS))
+		     efx->phy_type == PHY_TYPE_SFX7101))
 		tenxpress_crc_err(efx);
 }
 
@@ -2245,8 +2245,12 @@ static void falcon_init_mdio(struct mii_if_info *gmii)
 static int falcon_probe_phy(struct efx_nic *efx)
 {
 	switch (efx->phy_type) {
-	case PHY_TYPE_10XPRESS:
-		efx->phy_op = &falcon_tenxpress_phy_ops;
+	case PHY_TYPE_SFX7101:
+		efx->phy_op = &falcon_sfx7101_phy_ops;
+		break;
+	case PHY_TYPE_SFT9001A:
+	case PHY_TYPE_SFT9001B:
+		efx->phy_op = &falcon_sft9001_phy_ops;
 		break;
 	case PHY_TYPE_XFP:
 		efx->phy_op = &falcon_xfp_phy_ops;

drivers/net/sfc/mdio_10g.h

@@ -33,6 +33,8 @@
 #define MDIO_MMD_TC	(6)
 /* Auto negotiation */
 #define MDIO_MMD_AN	(7)
+/* Clause 22 extension */
+#define MDIO_MMD_C22EXT	29
 
 /* Generic register locations */
 #define MDIO_MMDREG_CTRL1	(0)
@@ -82,6 +84,7 @@
 #define MDIO_MMDREG_DEVS_PCS	DEV_PRESENT_BIT(MDIO_MMD_PCS)
 #define MDIO_MMDREG_DEVS_PMAPMD	DEV_PRESENT_BIT(MDIO_MMD_PMAPMD)
 #define MDIO_MMDREG_DEVS_AN	DEV_PRESENT_BIT(MDIO_MMD_AN)
+#define MDIO_MMDREG_DEVS_C22EXT	DEV_PRESENT_BIT(MDIO_MMD_C22EXT)
 
 /* Bits in MMDREG_SPEED */
 #define MDIO_MMDREG_SPEED_10G_LBN	0
@@ -125,6 +128,11 @@
 #define MDIO_PMAPMD_CTRL2_10_BT		(0xf)
 #define MDIO_PMAPMD_CTRL2_TYPE_MASK	(0xf)
 
+/* PMA 10GBT registers */
+#define MDIO_PMAPMD_10GBT_TXPWR		(131)
+#define MDIO_PMAPMD_10GBT_TXPWR_SHORT_LBN (0)
+#define MDIO_PMAPMD_10GBT_TXPWR_SHORT_WIDTH (1)
+
 /* PHY XGXS lane state */
 #define MDIO_PHYXS_LANE_STATE		(0x18)
 #define MDIO_PHYXS_LANE_ALIGNED_LBN	(12)

drivers/net/sfc/net_driver.h

@@ -455,9 +455,11 @@ enum phy_type {
 	PHY_TYPE_NONE = 0,
 	PHY_TYPE_CX4_RTMR = 1,
 	PHY_TYPE_1G_ALASKA = 2,
-	PHY_TYPE_10XPRESS = 3,
+	PHY_TYPE_SFX7101 = 3,
 	PHY_TYPE_XFP = 4,
 	PHY_TYPE_PM8358 = 6,
+	PHY_TYPE_SFT9001A = 8,
+	PHY_TYPE_SFT9001B = 10,
 	PHY_TYPE_MAX	/* Insert any new items before this */
 };
 

drivers/net/sfc/phy.h

 /****************************************************************************
  * Driver for Solarflare Solarstorm network controllers and boards
- * Copyright 2007 Solarflare Communications Inc.
+ * Copyright 2007-2008 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
@@ -11,9 +11,10 @@
 #define EFX_PHY_H
 
 /****************************************************************************
- * 10Xpress (SFX7101) PHY
+ * 10Xpress (SFX7101 and SFT9001) PHYs
  */
-extern struct efx_phy_operations falcon_tenxpress_phy_ops;
+extern struct efx_phy_operations falcon_sfx7101_phy_ops;
+extern struct efx_phy_operations falcon_sft9001_phy_ops;
 
 extern void tenxpress_phy_blink(struct efx_nic *efx, bool blink);
 extern void tenxpress_crc_err(struct efx_nic *efx);

drivers/net/sfc/workarounds.h

@@ -17,6 +17,8 @@
 
 #define EFX_WORKAROUND_ALWAYS(efx) 1
 #define EFX_WORKAROUND_FALCON_A(efx) (falcon_rev(efx) <= FALCON_REV_A1)
+#define EFX_WORKAROUND_SFX7101(efx) ((efx)->phy_type == PHY_TYPE_SFX7101)
+#define EFX_WORKAROUND_SFT9001A(efx) ((efx)->phy_type == PHY_TYPE_SFT9001A)
 
 /* XAUI resets if link not detected */
 #define EFX_WORKAROUND_5147 EFX_WORKAROUND_ALWAYS
@@ -27,7 +29,7 @@
 /* TX pkt parser problem with <= 16 byte TXes */
 #define EFX_WORKAROUND_9141 EFX_WORKAROUND_ALWAYS
 /* Low rate CRC errors require XAUI reset */
-#define EFX_WORKAROUND_10750 EFX_WORKAROUND_ALWAYS
+#define EFX_WORKAROUND_10750 EFX_WORKAROUND_SFX7101
 /* TX_EV_PKT_ERR can be caused by a dangling TX descriptor
  * or a PCIe error (bug 11028) */
 #define EFX_WORKAROUND_10727 EFX_WORKAROUND_ALWAYS
@@ -51,4 +53,9 @@
 /* Leak overlength packets rather than free */
 #define EFX_WORKAROUND_8071 EFX_WORKAROUND_FALCON_A
 
+/* Need to send XNP pages for 100BaseT */
+#define EFX_WORKAROUND_13204 EFX_WORKAROUND_SFT9001A
+/* Need to keep AN enabled */
+#define EFX_WORKAROUND_13963 EFX_WORKAROUND_SFT9001A
+
 #endif /* EFX_WORKAROUNDS_H */