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authorGabor Juhos <juhosg@openwrt.org>2009-12-22 19:31:19 +0000
committerGabor Juhos <juhosg@openwrt.org>2009-12-22 19:31:19 +0000
commitce6136a61cb39f42f0317ccba030b8ed66b8b52d (patch)
tree9265536c5bd60d045fa4d92ec4408d61b5023e2f /target
parente63dfd411eb8b1958f0e664e480fcf68a01516af (diff)
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ar71xx: add dsa driver for the 88e6063 chip
SVN-Revision: 18892
Diffstat (limited to 'target')
-rw-r--r--target/linux/ar71xx/config-2.6.301
-rw-r--r--target/linux/ar71xx/config-2.6.311
-rw-r--r--target/linux/ar71xx/config-2.6.321
-rw-r--r--target/linux/ar71xx/files/net/dsa/mv88e6063.c294
-rw-r--r--target/linux/ar71xx/patches-2.6.30/120-dsa-trailer-tag-validation-fix.patch11
-rw-r--r--target/linux/ar71xx/patches-2.6.30/121-dsa-add-88e6063-driver.patch26
-rw-r--r--target/linux/ar71xx/patches-2.6.31/120-dsa-trailer-tag-validation-fix.patch11
-rw-r--r--target/linux/ar71xx/patches-2.6.31/121-dsa-add-88e6063-driver.patch26
-rw-r--r--target/linux/ar71xx/patches-2.6.32/120-dsa-trailer-tag-validation-fix.patch11
-rw-r--r--target/linux/ar71xx/patches-2.6.32/121-dsa-add-88e6063-driver.patch26
10 files changed, 408 insertions, 0 deletions
diff --git a/target/linux/ar71xx/config-2.6.30 b/target/linux/ar71xx/config-2.6.30
index 4004472..0564ad3 100644
--- a/target/linux/ar71xx/config-2.6.30
+++ b/target/linux/ar71xx/config-2.6.30
@@ -153,6 +153,7 @@ CONFIG_MTD_WRT160NL_PARTS=y
CONFIG_MYLOADER=y
CONFIG_NET_DSA=y
CONFIG_NET_DSA_MV88E6060=y
+CONFIG_NET_DSA_MV88E6063=y
# CONFIG_NET_DSA_MV88E6123_61_65 is not set
# CONFIG_NET_DSA_MV88E6131 is not set
# CONFIG_NET_DSA_MV88E6XXX is not set
diff --git a/target/linux/ar71xx/config-2.6.31 b/target/linux/ar71xx/config-2.6.31
index 5406636..40fccc1 100644
--- a/target/linux/ar71xx/config-2.6.31
+++ b/target/linux/ar71xx/config-2.6.31
@@ -157,6 +157,7 @@ CONFIG_MTD_WRT160NL_PARTS=y
CONFIG_MYLOADER=y
CONFIG_NET_DSA=y
CONFIG_NET_DSA_MV88E6060=y
+CONFIG_NET_DSA_MV88E6063=y
# CONFIG_NET_DSA_MV88E6123_61_65 is not set
# CONFIG_NET_DSA_MV88E6131 is not set
# CONFIG_NET_DSA_MV88E6XXX is not set
diff --git a/target/linux/ar71xx/config-2.6.32 b/target/linux/ar71xx/config-2.6.32
index 168af7f..e43d1c4 100644
--- a/target/linux/ar71xx/config-2.6.32
+++ b/target/linux/ar71xx/config-2.6.32
@@ -160,6 +160,7 @@ CONFIG_MTD_WRT160NL_PARTS=y
CONFIG_MYLOADER=y
CONFIG_NET_DSA=y
CONFIG_NET_DSA_MV88E6060=y
+CONFIG_NET_DSA_MV88E6063=y
# CONFIG_NET_DSA_MV88E6123_61_65 is not set
# CONFIG_NET_DSA_MV88E6131 is not set
# CONFIG_NET_DSA_MV88E6XXX is not set
diff --git a/target/linux/ar71xx/files/net/dsa/mv88e6063.c b/target/linux/ar71xx/files/net/dsa/mv88e6063.c
new file mode 100644
index 0000000..5638a9f
--- /dev/null
+++ b/target/linux/ar71xx/files/net/dsa/mv88e6063.c
@@ -0,0 +1,294 @@
+/*
+ * net/dsa/mv88e6063.c - Driver for Marvell 88e6063 switch chips
+ * Copyright (c) 2009 Gabor Juhos <juhosg@openwrt.org>
+ *
+ * This driver was base on: net/dsa/mv88e6060.c
+ * net/dsa/mv88e6063.c - Driver for Marvell 88e6060 switch chips
+ * 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/list.h>
+#include <linux/netdevice.h>
+#include <linux/phy.h>
+#include "dsa_priv.h"
+
+#define REG_BASE 0x10
+#define REG_PHY(p) (REG_BASE + (p))
+#define REG_PORT(p) (REG_BASE + 8 + (p))
+#define REG_GLOBAL (REG_BASE + 0x0f)
+#define NUM_PORTS 7
+
+static int reg_read(struct dsa_switch *ds, int addr, int reg)
+{
+ return mdiobus_read(ds->master_mii_bus, addr, reg);
+}
+
+#define REG_READ(addr, reg) \
+ ({ \
+ int __ret; \
+ \
+ __ret = reg_read(ds, addr, reg); \
+ if (__ret < 0) \
+ return __ret; \
+ __ret; \
+ })
+
+
+static int reg_write(struct dsa_switch *ds, int addr, int reg, u16 val)
+{
+ return mdiobus_write(ds->master_mii_bus, addr, reg, val);
+}
+
+#define REG_WRITE(addr, reg, val) \
+ ({ \
+ int __ret; \
+ \
+ __ret = reg_write(ds, addr, reg, val); \
+ if (__ret < 0) \
+ return __ret; \
+ })
+
+static char *mv88e6063_probe(struct mii_bus *bus, int sw_addr)
+{
+ int ret;
+
+ ret = mdiobus_read(bus, REG_PORT(0), 0x03);
+ if (ret >= 0) {
+ ret &= 0xfff0;
+ if (ret == 0x1530)
+ return "Marvell 88E6063";
+ }
+
+ return NULL;
+}
+
+static int mv88e6063_switch_reset(struct dsa_switch *ds)
+{
+ int i;
+ int ret;
+
+ /*
+ * Set all ports to the disabled state.
+ */
+ for (i = 0; i < NUM_PORTS; i++) {
+ ret = REG_READ(REG_PORT(i), 0x04);
+ REG_WRITE(REG_PORT(i), 0x04, ret & 0xfffc);
+ }
+
+ /*
+ * Wait for transmit queues to drain.
+ */
+ msleep(2);
+
+ /*
+ * Reset the switch.
+ */
+ REG_WRITE(REG_GLOBAL, 0x0a, 0xa130);
+
+ /*
+ * Wait up to one second for reset to complete.
+ */
+ for (i = 0; i < 1000; i++) {
+ ret = REG_READ(REG_GLOBAL, 0x00);
+ if ((ret & 0x8000) == 0x0000)
+ break;
+
+ msleep(1);
+ }
+ if (i == 1000)
+ return -ETIMEDOUT;
+
+ return 0;
+}
+
+static int mv88e6063_setup_global(struct dsa_switch *ds)
+{
+ /*
+ * Disable discarding of frames with excessive collisions,
+ * set the maximum frame size to 1536 bytes, and mask all
+ * interrupt sources.
+ */
+ REG_WRITE(REG_GLOBAL, 0x04, 0x0800);
+
+ /*
+ * Enable automatic address learning, set the address
+ * database size to 1024 entries, and set the default aging
+ * time to 5 minutes.
+ */
+ REG_WRITE(REG_GLOBAL, 0x0a, 0x2130);
+
+ return 0;
+}
+
+static int mv88e6063_setup_port(struct dsa_switch *ds, int p)
+{
+ int addr = REG_PORT(p);
+
+ /*
+ * Do not force flow control, disable Ingress and Egress
+ * Header tagging, disable VLAN tunneling, and set the port
+ * state to Forwarding. Additionally, if this is the CPU
+ * port, enable Ingress and Egress Trailer tagging mode.
+ */
+ REG_WRITE(addr, 0x04, dsa_is_cpu_port(ds, p) ? 0x4103 : 0x0003);
+
+ /*
+ * Port based VLAN map: give each port its own address
+ * database, allow the CPU port to talk to each of the 'real'
+ * ports, and allow each of the 'real' ports to only talk to
+ * the CPU port.
+ */
+ REG_WRITE(addr, 0x06,
+ ((p & 0xf) << 12) |
+ (dsa_is_cpu_port(ds, p) ?
+ ds->phys_port_mask :
+ (1 << ds->dst->cpu_port)));
+
+ /*
+ * Port Association Vector: when learning source addresses
+ * of packets, add the address to the address database using
+ * a port bitmap that has only the bit for this port set and
+ * the other bits clear.
+ */
+ REG_WRITE(addr, 0x0b, 1 << p);
+
+ return 0;
+}
+
+static int mv88e6063_setup(struct dsa_switch *ds)
+{
+ int i;
+ int ret;
+
+ ret = mv88e6063_switch_reset(ds);
+ if (ret < 0)
+ return ret;
+
+ /* @@@ initialise atu */
+
+ ret = mv88e6063_setup_global(ds);
+ if (ret < 0)
+ return ret;
+
+ for (i = 0; i < NUM_PORTS; i++) {
+ ret = mv88e6063_setup_port(ds, i);
+ if (ret < 0)
+ return ret;
+ }
+
+ return 0;
+}
+
+static int mv88e6063_set_addr(struct dsa_switch *ds, u8 *addr)
+{
+ REG_WRITE(REG_GLOBAL, 0x01, (addr[0] << 8) | addr[1]);
+ REG_WRITE(REG_GLOBAL, 0x02, (addr[2] << 8) | addr[3]);
+ REG_WRITE(REG_GLOBAL, 0x03, (addr[4] << 8) | addr[5]);
+
+ return 0;
+}
+
+static int mv88e6063_port_to_phy_addr(int port)
+{
+ if (port >= 0 && port <= NUM_PORTS)
+ return REG_PHY(port);
+ return -1;
+}
+
+static int mv88e6063_phy_read(struct dsa_switch *ds, int port, int regnum)
+{
+ int addr;
+
+ addr = mv88e6063_port_to_phy_addr(port);
+ if (addr == -1)
+ return 0xffff;
+
+ return reg_read(ds, addr, regnum);
+}
+
+static int
+mv88e6063_phy_write(struct dsa_switch *ds, int port, int regnum, u16 val)
+{
+ int addr;
+
+ addr = mv88e6063_port_to_phy_addr(port);
+ if (addr == -1)
+ return 0xffff;
+
+ return reg_write(ds, addr, regnum, val);
+}
+
+static void mv88e6063_poll_link(struct dsa_switch *ds)
+{
+ int i;
+
+ for (i = 0; i < DSA_MAX_PORTS; i++) {
+ struct net_device *dev;
+ int uninitialized_var(port_status);
+ int link;
+ int speed;
+ int duplex;
+ int fc;
+
+ dev = ds->ports[i];
+ if (dev == NULL)
+ continue;
+
+ link = 0;
+ if (dev->flags & IFF_UP) {
+ port_status = reg_read(ds, REG_PORT(i), 0x00);
+ if (port_status < 0)
+ continue;
+
+ link = !!(port_status & 0x1000);
+ }
+
+ if (!link) {
+ if (netif_carrier_ok(dev)) {
+ printk(KERN_INFO "%s: link down\n", dev->name);
+ netif_carrier_off(dev);
+ }
+ continue;
+ }
+
+ speed = (port_status & 0x0100) ? 100 : 10;
+ duplex = (port_status & 0x0200) ? 1 : 0;
+ fc = ((port_status & 0xc000) == 0xc000) ? 1 : 0;
+
+ if (!netif_carrier_ok(dev)) {
+ printk(KERN_INFO "%s: link up, %d Mb/s, %s duplex, "
+ "flow control %sabled\n", dev->name,
+ speed, duplex ? "full" : "half",
+ fc ? "en" : "dis");
+ netif_carrier_on(dev);
+ }
+ }
+}
+
+static struct dsa_switch_driver mv88e6063_switch_driver = {
+ .tag_protocol = htons(ETH_P_TRAILER),
+ .probe = mv88e6063_probe,
+ .setup = mv88e6063_setup,
+ .set_addr = mv88e6063_set_addr,
+ .phy_read = mv88e6063_phy_read,
+ .phy_write = mv88e6063_phy_write,
+ .poll_link = mv88e6063_poll_link,
+};
+
+static int __init mv88e6063_init(void)
+{
+ register_switch_driver(&mv88e6063_switch_driver);
+ return 0;
+}
+module_init(mv88e6063_init);
+
+static void __exit mv88e6063_cleanup(void)
+{
+ unregister_switch_driver(&mv88e6063_switch_driver);
+}
+module_exit(mv88e6063_cleanup);
diff --git a/target/linux/ar71xx/patches-2.6.30/120-dsa-trailer-tag-validation-fix.patch b/target/linux/ar71xx/patches-2.6.30/120-dsa-trailer-tag-validation-fix.patch
new file mode 100644
index 0000000..b58aeed
--- /dev/null
+++ b/target/linux/ar71xx/patches-2.6.30/120-dsa-trailer-tag-validation-fix.patch
@@ -0,0 +1,11 @@
+--- a/net/dsa/tag_trailer.c
++++ b/net/dsa/tag_trailer.c
+@@ -86,7 +86,7 @@ static int trailer_rcv(struct sk_buff *s
+
+ trailer = skb_tail_pointer(skb) - 4;
+ if (trailer[0] != 0x80 || (trailer[1] & 0xf8) != 0x00 ||
+- (trailer[3] & 0xef) != 0x00 || trailer[3] != 0x00)
++ (trailer[2] & 0xef) != 0x00 || (trailer[3] & 0xfe) != 0x00)
+ goto out_drop;
+
+ source_port = trailer[1] & 7;
diff --git a/target/linux/ar71xx/patches-2.6.30/121-dsa-add-88e6063-driver.patch b/target/linux/ar71xx/patches-2.6.30/121-dsa-add-88e6063-driver.patch
new file mode 100644
index 0000000..1a11a69
--- /dev/null
+++ b/target/linux/ar71xx/patches-2.6.30/121-dsa-add-88e6063-driver.patch
@@ -0,0 +1,26 @@
+--- a/net/dsa/Kconfig
++++ b/net/dsa/Kconfig
+@@ -36,6 +36,13 @@ config NET_DSA_MV88E6060
+ This enables support for the Marvell 88E6060 ethernet switch
+ chip.
+
++config NET_DSA_MV88E6063
++ bool "Marvell 88E6063 ethernet switch chip support"
++ select NET_DSA_TAG_TRAILER
++ ---help---
++ This enables support for the Marvell 88E6063 ethernet switch
++ chip
++
+ config NET_DSA_MV88E6XXX_NEED_PPU
+ bool
+ default n
+--- a/net/dsa/Makefile
++++ b/net/dsa/Makefile
+@@ -6,6 +6,7 @@ obj-$(CONFIG_NET_DSA_TAG_TRAILER) += tag
+ # switch drivers
+ obj-$(CONFIG_NET_DSA_MV88E6XXX) += mv88e6xxx.o
+ obj-$(CONFIG_NET_DSA_MV88E6060) += mv88e6060.o
++obj-$(CONFIG_NET_DSA_MV88E6063) += mv88e6063.o
+ obj-$(CONFIG_NET_DSA_MV88E6123_61_65) += mv88e6123_61_65.o
+ obj-$(CONFIG_NET_DSA_MV88E6131) += mv88e6131.o
+
diff --git a/target/linux/ar71xx/patches-2.6.31/120-dsa-trailer-tag-validation-fix.patch b/target/linux/ar71xx/patches-2.6.31/120-dsa-trailer-tag-validation-fix.patch
new file mode 100644
index 0000000..4763e0d
--- /dev/null
+++ b/target/linux/ar71xx/patches-2.6.31/120-dsa-trailer-tag-validation-fix.patch
@@ -0,0 +1,11 @@
+--- a/net/dsa/tag_trailer.c
++++ b/net/dsa/tag_trailer.c
+@@ -86,7 +86,7 @@
+
+ trailer = skb_tail_pointer(skb) - 4;
+ if (trailer[0] != 0x80 || (trailer[1] & 0xf8) != 0x00 ||
+- (trailer[3] & 0xef) != 0x00 || trailer[3] != 0x00)
++ (trailer[2] & 0xef) != 0x00 || (trailer[3] & 0xfe) != 0x00)
+ goto out_drop;
+
+ source_port = trailer[1] & 7;
diff --git a/target/linux/ar71xx/patches-2.6.31/121-dsa-add-88e6063-driver.patch b/target/linux/ar71xx/patches-2.6.31/121-dsa-add-88e6063-driver.patch
new file mode 100644
index 0000000..70d7739
--- /dev/null
+++ b/target/linux/ar71xx/patches-2.6.31/121-dsa-add-88e6063-driver.patch
@@ -0,0 +1,26 @@
+--- a/net/dsa/Kconfig
++++ b/net/dsa/Kconfig
+@@ -36,6 +36,13 @@
+ This enables support for the Marvell 88E6060 ethernet switch
+ chip.
+
++config NET_DSA_MV88E6063
++ bool "Marvell 88E6063 ethernet switch chip support"
++ select NET_DSA_TAG_TRAILER
++ ---help---
++ This enables support for the Marvell 88E6063 ethernet switch
++ chip
++
+ config NET_DSA_MV88E6XXX_NEED_PPU
+ bool
+ default n
+--- a/net/dsa/Makefile
++++ b/net/dsa/Makefile
+@@ -6,6 +6,7 @@
+ # switch drivers
+ obj-$(CONFIG_NET_DSA_MV88E6XXX) += mv88e6xxx.o
+ obj-$(CONFIG_NET_DSA_MV88E6060) += mv88e6060.o
++obj-$(CONFIG_NET_DSA_MV88E6063) += mv88e6063.o
+ obj-$(CONFIG_NET_DSA_MV88E6123_61_65) += mv88e6123_61_65.o
+ obj-$(CONFIG_NET_DSA_MV88E6131) += mv88e6131.o
+
diff --git a/target/linux/ar71xx/patches-2.6.32/120-dsa-trailer-tag-validation-fix.patch b/target/linux/ar71xx/patches-2.6.32/120-dsa-trailer-tag-validation-fix.patch
new file mode 100644
index 0000000..b58aeed
--- /dev/null
+++ b/target/linux/ar71xx/patches-2.6.32/120-dsa-trailer-tag-validation-fix.patch
@@ -0,0 +1,11 @@
+--- a/net/dsa/tag_trailer.c
++++ b/net/dsa/tag_trailer.c
+@@ -86,7 +86,7 @@ static int trailer_rcv(struct sk_buff *s
+
+ trailer = skb_tail_pointer(skb) - 4;
+ if (trailer[0] != 0x80 || (trailer[1] & 0xf8) != 0x00 ||
+- (trailer[3] & 0xef) != 0x00 || trailer[3] != 0x00)
++ (trailer[2] & 0xef) != 0x00 || (trailer[3] & 0xfe) != 0x00)
+ goto out_drop;
+
+ source_port = trailer[1] & 7;
diff --git a/target/linux/ar71xx/patches-2.6.32/121-dsa-add-88e6063-driver.patch b/target/linux/ar71xx/patches-2.6.32/121-dsa-add-88e6063-driver.patch
new file mode 100644
index 0000000..1a11a69
--- /dev/null
+++ b/target/linux/ar71xx/patches-2.6.32/121-dsa-add-88e6063-driver.patch
@@ -0,0 +1,26 @@
+--- a/net/dsa/Kconfig
++++ b/net/dsa/Kconfig
+@@ -36,6 +36,13 @@ config NET_DSA_MV88E6060
+ This enables support for the Marvell 88E6060 ethernet switch
+ chip.
+
++config NET_DSA_MV88E6063
++ bool "Marvell 88E6063 ethernet switch chip support"
++ select NET_DSA_TAG_TRAILER
++ ---help---
++ This enables support for the Marvell 88E6063 ethernet switch
++ chip
++
+ config NET_DSA_MV88E6XXX_NEED_PPU
+ bool
+ default n
+--- a/net/dsa/Makefile
++++ b/net/dsa/Makefile
+@@ -6,6 +6,7 @@ obj-$(CONFIG_NET_DSA_TAG_TRAILER) += tag
+ # switch drivers
+ obj-$(CONFIG_NET_DSA_MV88E6XXX) += mv88e6xxx.o
+ obj-$(CONFIG_NET_DSA_MV88E6060) += mv88e6060.o
++obj-$(CONFIG_NET_DSA_MV88E6063) += mv88e6063.o
+ obj-$(CONFIG_NET_DSA_MV88E6123_61_65) += mv88e6123_61_65.o
+ obj-$(CONFIG_NET_DSA_MV88E6131) += mv88e6131.o
+