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/drivers/net/phy/fixed.c | 111 ++++++++++++++++++++++++++++++++++++
1 file changed, 111 insertions(+)
create mode 100644 roms/u-boot/drivers/net/phy/fixed.c
(limited to 'roms/u-boot/drivers/net/phy/fixed.c')
diff --git a/roms/u-boot/drivers/net/phy/fixed.c b/roms/u-boot/drivers/net/phy/fixed.c
new file mode 100644
index 000000000..1192915ee
--- /dev/null
+++ b/roms/u-boot/drivers/net/phy/fixed.c
@@ -0,0 +1,111 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Fixed-Link phy
+ *
+ * Copyright 2017 Bernecker & Rainer Industrieelektronik GmbH
+ */
+
+#include <config.h>
+#include <common.h>
+#include <malloc.h>
+#include <phy.h>
+#include <dm.h>
+#include <fdt_support.h>
+#include <asm/global_data.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static int fixedphy_probe(struct phy_device *phydev)
+{
+ /* fixed-link phy must not be reset by core phy code */
+ phydev->flags |= PHY_FLAG_BROKEN_RESET;
+
+ return 0;
+}
+
+static int fixedphy_config(struct phy_device *phydev)
+{
+ ofnode node = phy_get_ofnode(phydev);
+ struct fixed_link *priv;
+ bool old_binding = false;
+ u32 old_val[5];
+ u32 val;
+
+ if (!ofnode_valid(node))
+ return -EINVAL;
+
+ /* check for mandatory properties within fixed-link node */
+ val = ofnode_read_u32_default(node, "speed", 0);
+
+ if (!val) {
+ /* try old binding */
+ old_binding = true;
+ if (ofnode_read_u32_array(node, "fixed-link", old_val,
+ ARRAY_SIZE(old_val))) {
+ printf("ERROR: no/invalid <fixed-link> property!\n");
+ return -ENOENT;
+ }
+ val = old_val[2];
+ }
+
+ if (val != SPEED_10 && val != SPEED_100 && val != SPEED_1000 &&
+ val != SPEED_2500 && val != SPEED_10000) {
+ printf("ERROR: no/invalid speed given in fixed-link node!\n");
+ return -EINVAL;
+ }
+
+ priv = malloc(sizeof(*priv));
+ if (!priv)
+ return -ENOMEM;
+ memset(priv, 0, sizeof(*priv));
+
+ phydev->priv = priv;
+
+ priv->link_speed = val;
+ if (!old_binding) {
+ priv->duplex = ofnode_read_bool(node, "full-duplex");
+ priv->pause = ofnode_read_bool(node, "pause");
+ priv->asym_pause = ofnode_read_bool(node, "asym-pause");
+ } else {
+ priv->duplex = old_val[1];
+ priv->pause = old_val[3];
+ priv->asym_pause = old_val[4];
+ }
+
+ return 0;
+}
+
+static int fixedphy_startup(struct phy_device *phydev)
+{
+ struct fixed_link *priv = phydev->priv;
+
+ phydev->asym_pause = priv->asym_pause;
+ phydev->pause = priv->pause;
+ phydev->duplex = priv->duplex;
+ phydev->speed = priv->link_speed;
+ phydev->link = 1;
+
+ return 0;
+}
+
+static int fixedphy_shutdown(struct phy_device *phydev)
+{
+ return 0;
+}
+
+static struct phy_driver fixedphy_driver = {
+ .uid = PHY_FIXED_ID,
+ .mask = 0xffffffff,
+ .name = "Fixed PHY",
+ .features = PHY_GBIT_FEATURES | SUPPORTED_MII,
+ .probe = fixedphy_probe,
+ .config = fixedphy_config,
+ .startup = fixedphy_startup,
+ .shutdown = fixedphy_shutdown,
+};
+
+int phy_fixed_init(void)
+{
+ phy_register(&fixedphy_driver);
+ return 0;
+}
--
cgit