net/fm: fixup ethernet for mEMAC

- set proper compatible property name for mEMAC.
- fixed ft_fixup_port for dual-role mEMAC, which will lead to
  MAC node disabled incorrectly.

Signed-off-by: Shengzhou Liu <Shengzhou.Liu@freescale.com>
Signed-off-by: Andy Fleming <afleming@freescale.com>

drivers/net/fm/fm.h

@@ -152,4 +152,6 @@ struct fm_eth {
 #define MAX_RXBUF_LOG2		11
 #define MAX_RXBUF_LEN		(1 << MAX_RXBUF_LOG2)
 
+#define PORT_IS_ENABLED(port)	fm_info[fm_port_to_index(port)].enabled
+
 #endif /* __FM_H__ */

drivers/net/fm/init.c

@@ -238,6 +238,26 @@ static void ft_fixup_port(void *blob, struct fm_eth_info *info, char *prop)
 		return ;
 	}
 
+#ifdef CONFIG_SYS_FMAN_V3
+	/*
+	 * Physically FM1_DTSEC9 and FM1_10GEC1 use the same dual-role MAC, when
+	 * FM1_10GEC1 is enabled and  FM1_DTSEC9 is disabled, ensure that the
+	 * dual-role MAC is not disabled, ditto for other dual-role MACs.
+	 */
+	if (((info->port == FM1_DTSEC9) && (PORT_IS_ENABLED(FM1_10GEC1)))	||
+	    ((info->port == FM1_DTSEC10) && (PORT_IS_ENABLED(FM1_10GEC2)))	||
+	    ((info->port == FM1_10GEC1) && (PORT_IS_ENABLED(FM1_DTSEC9)))	||
+	    ((info->port == FM1_10GEC2) && (PORT_IS_ENABLED(FM1_DTSEC10)))
+#if (CONFIG_SYS_NUM_FMAN == 2)
+										||
+	    ((info->port == FM2_DTSEC9) && (PORT_IS_ENABLED(FM2_10GEC1)))	||
+	    ((info->port == FM2_DTSEC10) && (PORT_IS_ENABLED(FM2_10GEC2)))	||
+	    ((info->port == FM2_10GEC1) && (PORT_IS_ENABLED(FM2_DTSEC9)))	||
+	    ((info->port == FM2_10GEC2) && (PORT_IS_ENABLED(FM2_DTSEC10)))
+#endif
+	)
+		return;
+#endif
 	/* board code might have caused offset to change */
 	off = fdt_node_offset_by_compat_reg(blob, prop, paddr);
 
@@ -255,10 +275,15 @@ void fdt_fixup_fman_ethernet(void *blob)
 {
 	int i;
 
+#ifdef CONFIG_SYS_FMAN_V3
+	for (i = 0; i < ARRAY_SIZE(fm_info); i++)
+		ft_fixup_port(blob, &fm_info[i], "fsl,fman-memac");
+#else
 	for (i = 0; i < ARRAY_SIZE(fm_info); i++) {
 		if (fm_info[i].type == FM_ETH_1G_E)
 			ft_fixup_port(blob, &fm_info[i], "fsl,fman-1g-mac");
 		else
 			ft_fixup_port(blob, &fm_info[i], "fsl,fman-10g-mac");
 	}
+#endif
 }