X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=board%2Ffreescale%2Fcommon%2Ffman.c;h=358303108d8dc7531d55947377553efeee42a43b;hb=7e20c1f4b1daa9cd6cc5e75f7ab8627ddd97c7b2;hp=8a55fde6f1c279cf3cc690d62b083f435aff877d;hpb=4f7549d2dc00023c5f33d1adc7fee0a77575fcb2;p=oweals%2Fu-boot.git

diff --git a/board/freescale/common/fman.c b/board/freescale/common/fman.c
index 8a55fde6f1..358303108d 100644
--- a/board/freescale/common/fman.c
+++ b/board/freescale/common/fman.c
@@ -1,30 +1,20 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
- * Copyright 2011 Freescale Semiconductor, Inc.
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * Copyright 2011-2015 Freescale Semiconductor, Inc.
  */
 
 #include <common.h>
-#include <libfdt.h>
-#include <libfdt_env.h>
+#include <linux/libfdt.h>
+#include <linux/libfdt_env.h>
 #include <fdt_support.h>
 
+#include <fm_eth.h>
+#ifdef CONFIG_FSL_LAYERSCAPE
+#include <asm/arch/fsl_serdes.h>
+#else
+#include <asm/fsl_serdes.h>
+#endif
+
 /*
  * Given the following ...
  *
@@ -37,31 +27,63 @@
  * ... update that Ethernet node's phy-handle property to point to the
  * ethernet-phy node.  This is how we link an Ethernet node to its PHY, so each
  * PHY in a virtual MDIO node must have an alias.
+ *
+ * Returns 0 on success, or a negative FDT error code on error.
  */
-void fdt_set_phy_handle(void *fdt, char *compat, phys_addr_t addr,
+int fdt_set_phy_handle(void *fdt, char *compat, phys_addr_t addr,
 			const char *alias)
 {
-	int offset, ph;
+	int offset;
+	unsigned int ph;
 	const char *path;
 
 	/* Get a path to the node that 'alias' points to */
 	path = fdt_get_alias(fdt, alias);
-	if (path) {
-		/* Get the offset of that node */
-		int off = fdt_path_offset(fdt, path);
-		if (off > 0)
-			ph = fdt_create_phandle(fdt, off);
-		else
-			return;
-	} else {
-		return ;
-	}
+	if (!path)
+		return -FDT_ERR_BADPATH;
+
+	/* Get the offset of that node */
+	offset = fdt_path_offset(fdt, path);
+	if (offset < 0)
+		return offset;
+
+	ph = fdt_create_phandle(fdt, offset);
+	if (!ph)
+		return -FDT_ERR_BADPHANDLE;
 
-	/* failed to create a phandle */
-	if (ph <= 0)
-		return ;
+	ph = cpu_to_fdt32(ph);
 
 	offset = fdt_node_offset_by_compat_reg(fdt, compat, addr);
-	if (offset > 0)
-		fdt_setprop(fdt, offset, "phy-handle", &ph, sizeof(ph));
+	if (offset < 0)
+		return offset;
+
+	return fdt_setprop(fdt, offset, "phy-handle", &ph, sizeof(ph));
+}
+
+/*
+ * Return the SerDes device enum for a given Fman port
+ *
+ * This function just maps the fm_port namespace to the srds_prtcl namespace.
+ */
+enum srds_prtcl serdes_device_from_fm_port(enum fm_port port)
+{
+	static const enum srds_prtcl srds_table[] = {
+		[FM1_DTSEC1] = SGMII_FM1_DTSEC1,
+		[FM1_DTSEC2] = SGMII_FM1_DTSEC2,
+		[FM1_DTSEC3] = SGMII_FM1_DTSEC3,
+		[FM1_DTSEC4] = SGMII_FM1_DTSEC4,
+		[FM1_DTSEC5] = SGMII_FM1_DTSEC5,
+		[FM1_10GEC1] = XAUI_FM1,
+		[FM2_DTSEC1] = SGMII_FM2_DTSEC1,
+		[FM2_DTSEC2] = SGMII_FM2_DTSEC2,
+		[FM2_DTSEC3] = SGMII_FM2_DTSEC3,
+		[FM2_DTSEC4] = SGMII_FM2_DTSEC4,
+		[FM2_DTSEC5] = SGMII_FM2_DTSEC5,
+		[FM2_10GEC1] = XAUI_FM2,
+	};
+
+	if ((port < FM1_DTSEC1) || (port > FM2_10GEC1))
+		return NONE;
+	else
+		return srds_table[port];
 }