powerpc/b4860qds: add xfi support

We need following changes to make xfi work on B4:
1. set cross-point switch VSC3308 to use sfp config when running xfi;
2. add 10G interface check for xfi;
3. set phy address for xfi so the 10G ports can be registered by mdio;

Signed-off-by: Shaohui Xie <Shaohui.Xie@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>

board/freescale/b4860qds/b4860qds.c

@@ -490,6 +490,9 @@ int configure_vsc3316_3308(void)
 		return -1;
 	}
 
+	num_vsc08_con = NUM_CON_VSC3308;
+	/* Configure VSC3308 crossbar switch */
+	ret = select_i2c_ch_pca(I2C_CH_VSC3308);
 	switch (serdes2_prtcl) {
 #ifdef CONFIG_PPC_B4420
 	case 0x9d:
@@ -497,18 +500,11 @@ int configure_vsc3316_3308(void)
 	case 0x9E:
 	case 0x9A:
 	case 0x98:
-	case 0xb1:
-	case 0xb2:
 	case 0x48:
 	case 0x49:
 	case 0x4E:
-	case 0x8C:
-	case 0x8D:
 	case 0x79:
 	case 0x7A:
-		num_vsc08_con = NUM_CON_VSC3308;
-		/* Configure VSC3308 crossbar switch */
-		ret = select_i2c_ch_pca(I2C_CH_VSC3308);
 		if (!ret) {
 			ret = vsc3308_config(VSC3308_TX_ADDRESS,
 					vsc08_tx_amc, num_vsc08_con);
@@ -522,6 +518,36 @@ int configure_vsc3316_3308(void)
 			return ret;
 		}
 		break;
+	case 0x80:
+	case 0x81:
+	case 0x82:
+	case 0x83:
+	case 0x84:
+	case 0x85:
+	case 0x86:
+	case 0x87:
+	case 0x88:
+	case 0x89:
+	case 0x8a:
+	case 0x8b:
+	case 0x8c:
+	case 0x8d:
+	case 0x8e:
+	case 0xb1:
+	case 0xb2:
+		if (!ret) {
+			ret = vsc3308_config(VSC3308_TX_ADDRESS,
+					vsc08_tx_sfp, num_vsc08_con);
+			if (ret)
+				return ret;
+			ret = vsc3308_config(VSC3308_RX_ADDRESS,
+					vsc08_rx_sfp, num_vsc08_con);
+			if (ret)
+				return ret;
+		} else {
+			return ret;
+		}
+		break;
 	default:
 		printf("WARNING:VSC crossbars programming not supported for: %x"
 					" SerDes2 Protocol.\n", serdes2_prtcl);

board/freescale/b4860qds/eth_b4860qds.c

@@ -268,6 +268,12 @@ int board_eth_init(bd_t *bis)
 				CONFIG_SYS_FM1_DTSEC1_RISER_PHY_ADDR);
 		fm_info_set_phy_address(FM1_DTSEC4,
 				CONFIG_SYS_FM1_DTSEC2_RISER_PHY_ADDR);
+		/*
+		 * XFI does not need a PHY to work, but to make U-boot
+		 * happy, assign a fake PHY address for a XFI port.
+		 */
+		fm_info_set_phy_address(FM1_10GEC1, 0);
+		fm_info_set_phy_address(FM1_10GEC2, 1);
 		break;
 	case 0x98:
 		/* XAUI in Slot1 and Slot2 */

drivers/net/fm/b4860.c

@@ -52,7 +52,9 @@ phy_interface_t fman_port_enet_if(enum fm_port port)
 	/*B4860 has two 10Gig Mac*/
 	if ((port == FM1_10GEC1 || port == FM1_10GEC2)	&&
 	    ((is_serdes_configured(XAUI_FM1_MAC9))	||
-	    (is_serdes_configured(XAUI_FM1_MAC10))))
+	     (is_serdes_configured(XAUI_FM1_MAC10))	||
+	     (is_serdes_configured(XFI_FM1_MAC9))	||
+	     (is_serdes_configured(XFI_FM1_MAC10))))
 		return PHY_INTERFACE_MODE_XGMII;
 
 	/* Fix me need to handle RGMII here first */