powerpc/8xxx: Add fdt_fixup_phy_connection helper

Add a common helper that will set the PHY connection type based on enum.
We use this on eTSEC, UCC, and will with Fman in the future.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

arch/powerpc/cpu/mpc8xxx/fdt.c

@@ -27,6 +27,7 @@
 #include <libfdt.h>
 #include <fdt_support.h>
 #include <asm/mp.h>
+#include <asm/fsl_enet.h>
 
 #if defined(CONFIG_MP) && (defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx))
 static int ft_del_cpuhandle(void *blob, int cpuhandle)
@@ -215,3 +216,26 @@ void fdt_fixup_crypto_node(void *blob, int sec_rev)
 		fdt_del_node_and_alias(blob, "crypto");
 }
 #endif
+
+int fdt_fixup_phy_connection(void *blob, int offset, enum fsl_phy_enet_if phyc)
+{
+	static const char *fsl_phy_enet_if_str[] = {
+		[MII]		= "mii",
+		[RMII]		= "rmii",
+		[GMII]		= "gmii",
+		[RGMII]		= "rgmii",
+		[RGMII_ID]	= "rgmii-id",
+		[RGMII_RXID]	= "rgmii-rxid",
+		[SGMII]		= "sgmii",
+		[TBI]		= "tbi",
+		[RTBI]		= "rtbi",
+		[XAUI]		= "xgmii",
+		[FSL_ETH_IF_NONE] = "",
+	};
+
+	if (phyc > ARRAY_SIZE(fsl_phy_enet_if_str))
+		return fdt_setprop_string(blob, offset, "phy-connection-type", "");
+
+	return fdt_setprop_string(blob, offset, "phy-connection-type",
+					 fsl_phy_enet_if_str[phyc]);
+}

arch/powerpc/include/asm/fsl_enet.h

@@ -28,4 +28,6 @@ enum fsl_phy_enet_if {
 	FSL_ETH_IF_NONE,
 };
 
+int fdt_fixup_phy_connection(void *blob, int offset, enum fsl_phy_enet_if phyc);
+
 #endif /* __ASM_PPC_FSL_ENET_H */

board/freescale/mpc8360emds/mpc8360emds.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2006 Freescale Semiconductor, Inc.
+ * Copyright (C) 2006,2010 Freescale Semiconductor, Inc.
  * Dave Liu <daveliu@freescale.com>
  *
  * See file CREDITS for list of people who contributed to this
@@ -22,6 +22,7 @@
 #include <spd_sdram.h>
 #include <asm/mmu.h>
 #include <asm/io.h>
+#include <asm/fsl_enet.h>
 #if defined(CONFIG_OF_LIBFDT)
 #include <libfdt.h>
 #endif
@@ -396,10 +397,8 @@ void ft_board_setup(void *blob, bd_t *bd)
 				prop = fdt_getprop(blob, path,
 				                   "phy-connection-type", 0);
 				if (prop && (strcmp(prop, "rgmii-id") == 0))
-					fdt_setprop(blob, path,
-					            "phy-connection-type",
-					            "rgmii-rxid",
-					            sizeof("rgmii-rxid"));
+					fdt_fixup_phy_connection(blob, path,
+								RGMII_RXID);
 			}
 #endif
 #if defined(CONFIG_HAS_ETH1)
@@ -410,10 +409,8 @@ void ft_board_setup(void *blob, bd_t *bd)
 				prop = fdt_getprop(blob, path,
 				                   "phy-connection-type", 0);
 				if (prop && (strcmp(prop, "rgmii-id") == 0))
-					fdt_setprop(blob, path,
-					            "phy-connection-type",
-					            "rgmii-rxid",
-					            sizeof("rgmii-rxid"));
+					fdt_fixup_phy_connection(blob, path,
+								RGMII_RXID);
 			}
 #endif
 		}

board/freescale/mpc837xemds/mpc837xemds.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2007 Freescale Semiconductor, Inc.
+ * Copyright (C) 2007,2010 Freescale Semiconductor, Inc.
  * Dave Liu <daveliu@freescale.com>
  *
  * CREDITS: Kim Phillips contribute to LIBFDT code
@@ -15,6 +15,7 @@
 #include <i2c.h>
 #include <asm/io.h>
 #include <asm/fsl_mpc83xx_serdes.h>
+#include <asm/fsl_enet.h>
 #include <spd_sdram.h>
 #include <tsec.h>
 #include <libfdt.h>
@@ -136,7 +137,6 @@ int board_eth_init(bd_t *bd)
 static void __ft_tsec_fixup(void *blob, bd_t *bd, const char *alias,
 			    int phy_addr)
 {
-	const char *phy_type = "sgmii";
 	const u32 *ph;
 	int off;
 	int err;
@@ -148,8 +148,8 @@ static void __ft_tsec_fixup(void *blob, bd_t *bd, const char *alias,
 		return;
 	}
 
-	err = fdt_setprop(blob, off, "phy-connection-type", phy_type,
-			  strlen(phy_type) + 1);
+	err = fdt_fixup_phy_connection(blob, off, SGMII);
+
 	if (err) {
 		printf("WARNING: could not set phy-connection-type for %s: "
 			"%s.\n", alias, fdt_strerror(err));

board/freescale/mpc8569mds/mpc8569mds.c

@@ -622,8 +622,8 @@ void ft_board_setup(void *blob, bd_t *bd)
 			break;
 		}
 
-		err = fdt_setprop_string(blob, nodeoff, "phy-connection-type",
-					"rmii");
+		err = fdt_fixup_phy_connection(blob, nodeoff, RMII);
+
 		if (err < 0) {
 			printf("WARNING: could not set phy-connection-type "
 				"%s.\n", fdt_strerror(err));