parent
e63dfd411e
commit
ce6136a61c
@ -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); |
@ -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;
|
@ -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
|
||||
|
@ -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;
|
@ -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-$(CONFIG_NET_DSA_MV88E6131) += mv88e6131.o
|
||||
|
@ -0,0 +1,11 @@ |
||||
--- a/net/dsa/tag_trailer.c
|
||||
+++ b/net/dsa/tag_trailer.c
|
||||
@@ -86,7 +86,7 @@ static int trailer_rcv(struct sk_buff *s
|
||||
|
||||
trailer = skb_tail_pointer(skb) - 4;
|
||||
if (trailer[0] != 0x80 || (trailer[1] & 0xf8) != 0x00 ||
|
||||
- (trailer[3] & 0xef) != 0x00 || trailer[3] != 0x00)
|
||||
+ (trailer[2] & 0xef) != 0x00 || (trailer[3] & 0xfe) != 0x00)
|
||||
goto out_drop;
|
||||
|
||||
source_port = trailer[1] & 7;
|
@ -0,0 +1,26 @@ |
||||
--- a/net/dsa/Kconfig
|
||||
+++ b/net/dsa/Kconfig
|
||||
@@ -36,6 +36,13 @@ config NET_DSA_MV88E6060
|
||||
This enables support for the Marvell 88E6060 ethernet switch
|
||||
chip.
|
||||
|
||||
+config NET_DSA_MV88E6063
|
||||
+ bool "Marvell 88E6063 ethernet switch chip support"
|
||||
+ select NET_DSA_TAG_TRAILER
|
||||
+ ---help---
|
||||
+ This enables support for the Marvell 88E6063 ethernet switch
|
||||
+ chip
|
||||
+
|
||||
config NET_DSA_MV88E6XXX_NEED_PPU
|
||||
bool
|
||||
default n
|
||||
--- a/net/dsa/Makefile
|
||||
+++ b/net/dsa/Makefile
|
||||
@@ -6,6 +6,7 @@ obj-$(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
|
||||
|
Loading…
Reference in new issue