From af1a266670d040d2f4083ff309d732d648afba2a Mon Sep 17 00:00:00 2001
From: Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com>
Date: Tue, 10 Oct 2023 14:33:42 +0000
Subject: Add submodule dependency files

Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
---
 roms/u-boot/board/freescale/common/fman.c | 89 +++++++++++++++++++++++++++++++
 1 file changed, 89 insertions(+)
 create mode 100644 roms/u-boot/board/freescale/common/fman.c

(limited to 'roms/u-boot/board/freescale/common/fman.c')

diff --git a/roms/u-boot/board/freescale/common/fman.c b/roms/u-boot/board/freescale/common/fman.c
new file mode 100644
index 000000000..358303108
--- /dev/null
+++ b/roms/u-boot/board/freescale/common/fman.c
@@ -0,0 +1,89 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2011-2015 Freescale Semiconductor, Inc.
+ */
+
+#include <common.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 ...
+ *
+ * 1) A pointer to an Fman Ethernet node (as identified by the 'compat'
+ * compatible string and 'addr' physical address)
+ *
+ * 2) The name of an alias that points to the ethernet-phy node (usually inside
+ * a virtual MDIO node)
+ *
+ * ... 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.
+ */
+int fdt_set_phy_handle(void *fdt, char *compat, phys_addr_t addr,
+			const char *alias)
+{
+	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)
+		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;
+
+	ph = cpu_to_fdt32(ph);
+
+	offset = fdt_node_offset_by_compat_reg(fdt, compat, addr);
+	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];
+}
-- 
cgit