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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-06-10 05:30:17 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-06-10 05:30:17 -0300
commitd635711daa98be86d4c7fd01499c34f566b54ccb (patch)
treeaa5cc3760a27c3d57146498cb82fa549547de06c /drivers/net/dsa/mv88e6123.c
parentc91265cd0efb83778f015b4d4b1129bd2cfd075e (diff)
Linux-libre 4.6.2-gnu
Diffstat (limited to 'drivers/net/dsa/mv88e6123.c')
-rw-r--r--drivers/net/dsa/mv88e6123.c124
1 files changed, 124 insertions, 0 deletions
diff --git a/drivers/net/dsa/mv88e6123.c b/drivers/net/dsa/mv88e6123.c
new file mode 100644
index 000000000..69a6f79dc
--- /dev/null
+++ b/drivers/net/dsa/mv88e6123.c
@@ -0,0 +1,124 @@
+/*
+ * net/dsa/mv88e6123_61_65.c - Marvell 88e6123/6161/6165 switch chip support
+ * Copyright (c) 2008-2009 Marvell Semiconductor
+ *
+ * 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.
+ */
+
+#include <linux/delay.h>
+#include <linux/jiffies.h>
+#include <linux/list.h>
+#include <linux/module.h>
+#include <linux/netdevice.h>
+#include <linux/phy.h>
+#include <net/dsa.h>
+#include "mv88e6xxx.h"
+
+static const struct mv88e6xxx_switch_id mv88e6123_table[] = {
+ { PORT_SWITCH_ID_6123, "Marvell 88E6123" },
+ { PORT_SWITCH_ID_6123_A1, "Marvell 88E6123 (A1)" },
+ { PORT_SWITCH_ID_6123_A2, "Marvell 88E6123 (A2)" },
+ { PORT_SWITCH_ID_6161, "Marvell 88E6161" },
+ { PORT_SWITCH_ID_6161_A1, "Marvell 88E6161 (A1)" },
+ { PORT_SWITCH_ID_6161_A2, "Marvell 88E6161 (A2)" },
+ { PORT_SWITCH_ID_6165, "Marvell 88E6165" },
+ { PORT_SWITCH_ID_6165_A1, "Marvell 88E6165 (A1)" },
+ { PORT_SWITCH_ID_6165_A2, "Marvell 88e6165 (A2)" },
+};
+
+static char *mv88e6123_probe(struct device *host_dev, int sw_addr)
+{
+ return mv88e6xxx_lookup_name(host_dev, sw_addr, mv88e6123_table,
+ ARRAY_SIZE(mv88e6123_table));
+}
+
+static int mv88e6123_setup_global(struct dsa_switch *ds)
+{
+ u32 upstream_port = dsa_upstream_port(ds);
+ int ret;
+ u32 reg;
+
+ ret = mv88e6xxx_setup_global(ds);
+ if (ret)
+ return ret;
+
+ /* Disable the PHY polling unit (since there won't be any
+ * external PHYs to poll), don't discard packets with
+ * excessive collisions, and mask all interrupt sources.
+ */
+ REG_WRITE(REG_GLOBAL, GLOBAL_CONTROL, 0x0000);
+
+ /* Configure the upstream port, and configure the upstream
+ * port as the port to which ingress and egress monitor frames
+ * are to be sent.
+ */
+ reg = upstream_port << GLOBAL_MONITOR_CONTROL_INGRESS_SHIFT |
+ upstream_port << GLOBAL_MONITOR_CONTROL_EGRESS_SHIFT |
+ upstream_port << GLOBAL_MONITOR_CONTROL_ARP_SHIFT;
+ REG_WRITE(REG_GLOBAL, GLOBAL_MONITOR_CONTROL, reg);
+
+ /* Disable remote management for now, and set the switch's
+ * DSA device number.
+ */
+ REG_WRITE(REG_GLOBAL, GLOBAL_CONTROL_2, ds->index & 0x1f);
+
+ return 0;
+}
+
+static int mv88e6123_setup(struct dsa_switch *ds)
+{
+ struct mv88e6xxx_priv_state *ps = ds_to_priv(ds);
+ int ret;
+
+ ret = mv88e6xxx_setup_common(ds);
+ if (ret < 0)
+ return ret;
+
+ switch (ps->id) {
+ case PORT_SWITCH_ID_6123:
+ ps->num_ports = 3;
+ break;
+ case PORT_SWITCH_ID_6161:
+ case PORT_SWITCH_ID_6165:
+ ps->num_ports = 6;
+ break;
+ default:
+ return -ENODEV;
+ }
+
+ ret = mv88e6xxx_switch_reset(ds, false);
+ if (ret < 0)
+ return ret;
+
+ ret = mv88e6123_setup_global(ds);
+ if (ret < 0)
+ return ret;
+
+ return mv88e6xxx_setup_ports(ds);
+}
+
+struct dsa_switch_driver mv88e6123_switch_driver = {
+ .tag_protocol = DSA_TAG_PROTO_EDSA,
+ .priv_size = sizeof(struct mv88e6xxx_priv_state),
+ .probe = mv88e6123_probe,
+ .setup = mv88e6123_setup,
+ .set_addr = mv88e6xxx_set_addr_indirect,
+ .phy_read = mv88e6xxx_phy_read,
+ .phy_write = mv88e6xxx_phy_write,
+ .get_strings = mv88e6xxx_get_strings,
+ .get_ethtool_stats = mv88e6xxx_get_ethtool_stats,
+ .get_sset_count = mv88e6xxx_get_sset_count,
+ .adjust_link = mv88e6xxx_adjust_link,
+#ifdef CONFIG_NET_DSA_HWMON
+ .get_temp = mv88e6xxx_get_temp,
+#endif
+ .get_regs_len = mv88e6xxx_get_regs_len,
+ .get_regs = mv88e6xxx_get_regs,
+};
+
+MODULE_ALIAS("platform:mv88e6123");
+MODULE_ALIAS("platform:mv88e6161");
+MODULE_ALIAS("platform:mv88e6165");