1 files changed, 99 insertions, 0 deletions
diff --git a/target/linux/realtek/files-5.4/drivers/net/dsa/rtl83xx/debugfs.c b/target/linux/realtek/files-5.4/drivers/net/dsa/rtl83xx/debugfs.c
new file mode 100644
index 0000000000..af24e8fa42
--- /dev/null
+++ b/target/linux/realtek/files-5.4/drivers/net/dsa/rtl83xx/debugfs.c
@@ -0,0 +1,99 @@
+// SPDX-License-Identifier: GPL-2.0-only
+
+#include <linux/debugfs.h>
+
+#include <asm/mach-rtl838x/mach-rtl83xx.h>
+#include "rtl838x.h"
+
+#define RTL838X_DRIVER_NAME "rtl838x"
+
+static const struct debugfs_reg32 port_ctrl_regs[] = {
+	{ .name = "port_isolation", .offset = RTL838X_PORT_ISO_CTRL(0), },
+	{ .name = "mac_force_mode", .offset = RTL838X_MAC_FORCE_MODE_CTRL, },
+};
+
+void rtl838x_dbgfs_cleanup(struct rtl838x_switch_priv *priv)
+{
+	debugfs_remove_recursive(priv->dbgfs_dir);
+
+//	kfree(priv->dbgfs_entries);
+}
+
+static int rtl838x_dbgfs_port_init(struct dentry *parent, struct rtl838x_switch_priv *priv,
+				   int port)
+{
+	struct dentry *port_dir;
+	struct debugfs_regset32 *port_ctrl_regset;
+
+	port_dir = debugfs_create_dir(priv->ports[port].dp->name, parent);
+
+	debugfs_create_x32("rate_uc", 0644, port_dir,
+			    (u32 *)(RTL838X_SW_BASE + RTL838X_STORM_CTRL_PORT_UC(port)));
+
+	debugfs_create_x32("rate_mc", 0644, port_dir,
+			    (u32 *)(RTL838X_SW_BASE + RTL838X_STORM_CTRL_PORT_BC(port)));
+
+	debugfs_create_x32("rate_bc", 0644, port_dir,
+			    (u32 *)(RTL838X_SW_BASE + RTL838X_STORM_CTRL_PORT_BC(port)));
+
+	debugfs_create_u32("id", 0444, port_dir, &priv->ports[port].dp->index);
+
+
+	debugfs_create_x32("vlan_port_tag_sts_ctrl", 0644, port_dir,
+			   (u32 *)(RTL838X_SW_BASE + RTL838X_VLAN_PORT_TAG_STS_CTRL(port)));
+
+	port_ctrl_regset = devm_kzalloc(priv->dev, sizeof(*port_ctrl_regset), GFP_KERNEL);
+	if (!port_ctrl_regset)
+		return -ENOMEM;
+
+	port_ctrl_regset->regs = port_ctrl_regs;
+	port_ctrl_regset->nregs = ARRAY_SIZE(port_ctrl_regs);
+	port_ctrl_regset->base = RTL838X_SW_BASE + (port << 2);
+	debugfs_create_regset32("port_ctrl", 0400, port_dir, port_ctrl_regset);
+
+	return 0;
+}
+
+void rtl838x_dbgfs_init(struct rtl838x_switch_priv *priv)
+{
+	struct dentry *rtl838x_dir;
+	struct dentry *port_dir;
+	struct debugfs_regset32 *port_ctrl_regset;
+	int ret, i;
+
+	rtl838x_dir = debugfs_lookup(RTL838X_DRIVER_NAME, NULL);
+	if (!rtl838x_dir)
+		rtl838x_dir = debugfs_create_dir(RTL838X_DRIVER_NAME, NULL);
+
+	priv->dbgfs_dir = rtl838x_dir;
+
+	debugfs_create_u32("soc", 0444, rtl838x_dir,
+			   (u32 *)(RTL838X_SW_BASE + RTL838X_MODEL_NAME_INFO));
+
+	/* Create one directory per port */
+	for (i = 0; i < priv->cpu_port; i++) {
+		if (priv->ports[i].phy) {
+			pr_debug("debugfs, port %d\n", i);
+			ret = rtl838x_dbgfs_port_init(rtl838x_dir, priv, i);
+			if (ret)
+				goto err;
+		}
+	}
+
+	/* Create directory for CPU-port */
+	port_dir = debugfs_create_dir("cpu_port", rtl838x_dir);	port_ctrl_regset = devm_kzalloc(priv->dev, sizeof(*port_ctrl_regset), GFP_KERNEL);
+	if (!port_ctrl_regset) {
+		ret = -ENOMEM;
+		goto err;
+	}
+
+	port_ctrl_regset->regs = port_ctrl_regs;
+	port_ctrl_regset->nregs = ARRAY_SIZE(port_ctrl_regs);
+	port_ctrl_regset->base = RTL838X_SW_BASE + (priv->cpu_port << 2);
+	debugfs_create_regset32("port_ctrl", 0400, port_dir, port_ctrl_regset);
+	debugfs_create_u8("id", 0444, port_dir, &priv->cpu_port);
+
+	return;
+err:
+	rtl838x_dbgfs_cleanup(priv);
+}