bnx2x: Add new phy BCM8722

Add support for new phy BCM8722.
Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/bnx2x/bnx2x_hsi.h

@@ -417,6 +417,7 @@ struct port_hw_cfg {			    /* port 0: 0x12c  port 1: 0x2bc */
 #define PORT_HW_CFG_XGXS_EXT_PHY2_TYPE_BCM84823     0x00000b00
 #define PORT_HW_CFG_XGXS_EXT_PHY2_TYPE_BCM54640     0x00000c00
 #define PORT_HW_CFG_XGXS_EXT_PHY2_TYPE_BCM84833     0x00000d00
+#define PORT_HW_CFG_XGXS_EXT_PHY2_TYPE_BCM8722	    0x00000f00
 #define PORT_HW_CFG_XGXS_EXT_PHY2_TYPE_FAILURE	    0x0000fd00
 #define PORT_HW_CFG_XGXS_EXT_PHY2_TYPE_NOT_CONN     0x0000ff00
 
@@ -473,6 +474,7 @@ struct port_hw_cfg {			    /* port 0: 0x12c  port 1: 0x2bc */
 #define PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC   0x00000a00
 #define PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823	    0x00000b00
 #define PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833	    0x00000d00
+#define PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722	    0x00000f00
 #define PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE	    0x0000fd00
 #define PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN	    0x0000ff00
 

drivers/net/bnx2x/bnx2x_link.c

@@ -3146,8 +3146,10 @@ u8 bnx2x_set_led(struct link_params *params,
 		if (!vars->link_up)
 			break;
 	case LED_MODE_ON:
-		if (params->phy[EXT_PHY1].type ==
-		    PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727 &&
+		if (((params->phy[EXT_PHY1].type ==
+			  PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
+			 (params->phy[EXT_PHY1].type ==
+			  PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
 		    CHIP_IS_E2(bp) && params->num_phys == 2) {
 			/*
 			 * This is a work-around for E2+8727 Configurations
@@ -4657,13 +4659,19 @@ u8 bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
 				struct link_params *params, u16 addr,
 				u8 byte_cnt, u8 *o_buf)
 {
-	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726)
-		return bnx2x_8726_read_sfp_module_eeprom(phy, params, addr,
+	u8 rc = -EINVAL;
+	switch (phy->type) {
+	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
+		rc = bnx2x_8726_read_sfp_module_eeprom(phy, params, addr,
 						       byte_cnt, o_buf);
-	else if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727)
-		return bnx2x_8727_read_sfp_module_eeprom(phy, params, addr,
+	break;
+	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
+	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
+		rc = bnx2x_8727_read_sfp_module_eeprom(phy, params, addr,
 						       byte_cnt, o_buf);
-	return -EINVAL;
+	break;
+	}
+	return rc;
 }
 
 static u8 bnx2x_get_edc_mode(struct bnx2x_phy *phy,
@@ -5021,6 +5029,38 @@ static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
 	}
 }
 
+static void bnx2x_power_sfp_module(struct link_params *params,
+				   struct bnx2x_phy *phy,
+				   u8 power)
+{
+	struct bnx2x *bp = params->bp;
+	DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
+
+	switch (phy->type) {
+	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
+	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
+		bnx2x_8727_power_module(params->bp, phy, power);
+		break;
+	default:
+		break;
+	}
+}
+
+static void bnx2x_set_limiting_mode(struct link_params *params,
+				    struct bnx2x_phy *phy,
+				    u16 edc_mode)
+{
+	switch (phy->type) {
+	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
+		bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
+		break;
+	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
+	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
+		bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
+		break;
+	}
+}
+
 static u8 bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
 				     struct link_params *params)
 {
@@ -5034,7 +5074,8 @@ static u8 bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
 
 	DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
 		 params->port);
-
+	/* Power up module */
+	bnx2x_power_sfp_module(params, phy, 1);
 	if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
 		DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
 		return -EINVAL;
@@ -5046,12 +5087,11 @@ static u8 bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
 		bnx2x_set_sfp_module_fault_led(params,
 					       MISC_REGISTERS_GPIO_HIGH);
 
-		if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) &&
-		    ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
-		     PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN)) {
-			/* Shutdown SFP+ module */
+		/* Check if need to power down the SFP+ module */
+		if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
+		     PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
 			DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
-			bnx2x_8727_power_module(bp, phy, 0);
+			bnx2x_power_sfp_module(params, phy, 0);
 			return rc;
 		}
 	} else {
@@ -5059,18 +5099,12 @@ static u8 bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
 		bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
 	}
 
-	/* power up the SFP module */
-	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727)
-		bnx2x_8727_power_module(bp, phy, 1);
-
 	/*
 	 * Check and set limiting mode / LRM mode on 8726. On 8727 it
 	 * is done automatically
 	 */
-	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726)
-		bnx2x_8726_set_limiting_mode(bp, phy, edc_mode);
-	else
-		bnx2x_8727_set_limiting_mode(bp, phy, edc_mode);
+	bnx2x_set_limiting_mode(params, phy, edc_mode);
+
 	/*
 	 * Enable transmit for this module if the module is approved, or
 	 * if unapproved modules should also enable the Tx laser
@@ -5100,7 +5134,7 @@ void bnx2x_handle_module_detect_int(struct link_params *params)
 
 	/* Call the handling function in case module is detected */
 	if (gpio_val == 0) {
-
+		bnx2x_power_sfp_module(params, phy, 1);
 		bnx2x_set_gpio_int(bp, MISC_REGISTERS_GPIO_3,
 				   MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
 				   port);
@@ -7336,6 +7370,7 @@ static u8 bnx2x_populate_ext_phy(struct bnx2x *bp,
 		*phy = phy_8727;
 		phy->flags |= FLAGS_NOC;
 		break;
+	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
 		mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
 		*phy = phy_8727;
@@ -8135,7 +8170,7 @@ static u8 bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
 						shmem2_base_path,
 						phy_index, chip_id);
 		break;
-
+	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
 		rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,