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Add support for the ultra-crappy Marvell 88E6060, which is used in Fonera+ and the upcoming Fonera 2.0

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@10876 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nbd 2008-04-20 08:29:01 +00:00
parent d22d877ba4
commit 79f8984b04
7 changed files with 648 additions and 0 deletions
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1
target/linux/atheros/config-2.6.23
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@ -134,6 +134,7 @@ CONFIG_MTD_REDBOOT_PARTS_READONLY=y
# CONFIG_MTD_ROM is not set
# CONFIG_MTD_SLRAM is not set
CONFIG_MTD_SPIFLASH=y
CONFIG_MVSWITCH_PHY=y
CONFIG_NEW_GPIO=y
# CONFIG_NO_IOPORT is not set
# CONFIG_PAGE_SIZE_16KB is not set

38
target/linux/atheros/patches-2.6.23/200-ar2313_enable_mvswitch.patch Normal file
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@ -0,0 +1,38 @@
Index: linux-2.6.23.16/drivers/net/ar2313/ar2313.c
===================================================================
--- linux-2.6.23.16.orig/drivers/net/ar2313/ar2313.c 2008-04-20 10:26:15.000000000 +0200
+++ linux-2.6.23.16/drivers/net/ar2313/ar2313.c 2008-04-20 10:26:16.000000000 +0200
@@ -955,7 +955,7 @@
dev->stats.rx_bytes += skb->len;
skb->protocol = eth_type_trans(skb, dev);
/* pass the packet to upper layers */
- netif_rx(skb);
+ sp->rx(skb);
skb_new->dev = dev;
/* 16 bit align */
@@ -1370,6 +1370,11 @@
return PTR_ERR(phydev);
}
+ if (phydev->netif_rx)
+ sp->rx = phydev->netif_rx;
+ else
+ sp->rx = netif_rx;
+
/* mask with MAC supported features */
phydev->supported &= (SUPPORTED_10baseT_Half
| SUPPORTED_10baseT_Full
Index: linux-2.6.23.16/drivers/net/ar2313/ar2313.h
===================================================================
--- linux-2.6.23.16.orig/drivers/net/ar2313/ar2313.h 2008-04-20 10:26:15.000000000 +0200
+++ linux-2.6.23.16/drivers/net/ar2313/ar2313.h 2008-04-20 10:26:16.000000000 +0200
@@ -107,6 +107,8 @@
*/
struct ar2313_private {
struct net_device *dev;
+ int (*rx)(struct sk_buff *skb);
+
int version;
u32 mb[2];

1
target/linux/generic-2.6/config-2.6.23
View File

@ -734,6 +734,7 @@ CONFIG_MSDOS_PARTITION=y
CONFIG_MTD_ROOTFS_ROOT_DEV=y
CONFIG_MTD_ROOTFS_SPLIT=y
# CONFIG_MTD_UBI is not set
# CONFIG_MVSWITCH_PHY is not set
# CONFIG_MWAVE is not set
# CONFIG_MYRI10GE is not set
# CONFIG_NCP_FS is not set

405
target/linux/generic-2.6/files/drivers/net/phy/mvswitch.c Normal file
View File

@ -0,0 +1,405 @@
/*
* Marvell 88E6060 switch driver
* Copyright (c) 2008 Felix Fietkau <nbd@openwrt.org>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License v2 as published by the
* Free Software Foundation
*/
#include <linux/kernel.h>
#include <linux/string.h>
#include <linux/errno.h>
#include <linux/unistd.h>
#include <linux/slab.h>
#include <linux/interrupt.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/skbuff.h>
#include <linux/spinlock.h>
#include <linux/mm.h>
#include <linux/module.h>
#include <linux/mii.h>
#include <linux/ethtool.h>
#include <linux/phy.h>
#include <linux/if_vlan.h>
#include <asm/io.h>
#include <asm/irq.h>
#include <asm/uaccess.h>
#include "mvswitch.h"
MODULE_DESCRIPTION("Marvell 88E6060 Switch driver");
MODULE_AUTHOR("Felix Fietkau");
MODULE_LICENSE("GPL");
struct mvswitch_priv {
/* the driver's tx function */
int (*hardstart)(struct sk_buff *skb, struct net_device *dev);
struct vlan_group *grp;
u8 vlans[16];
};
#define to_mvsw(_phy) ((struct mvswitch_priv *) (_phy)->priv)
static inline u16
r16(struct phy_device *phydev, int addr, int reg)
{
return phydev->bus->read(phydev->bus, addr, reg);
}
static inline void
w16(struct phy_device *phydev, int addr, int reg, u16 val)
{
phydev->bus->write(phydev->bus, addr, reg, val);
}
static int
mvswitch_mangle_tx(struct sk_buff *skb, struct net_device *dev)
{
struct mvswitch_priv *priv;
struct vlan_ethhdr *eh;
char *buf = NULL;
u16 vid;
priv = dev->phy_ptr;
if (unlikely(!priv))
goto error;
if (unlikely(skb->len < 16))
goto error;
eh = (struct vlan_ethhdr *) skb->data;
if (be16_to_cpu(eh->h_vlan_proto) != 0x8100)
goto error;
vid = be16_to_cpu(eh->h_vlan_TCI) & VLAN_VID_MASK;
if (unlikely((vid > 15 || !priv->vlans[vid])))
goto error;
if (skb->len <= 64) {
if (pskb_expand_head(skb, 0, 68 - skb->len, GFP_ATOMIC)) {
if (net_ratelimit())
printk("%s: failed to expand/update skb for the switch\n", dev->name);
goto error;
}
buf = skb->data + 64;
skb->len = 68;
} else {
if (skb_cloned(skb) || unlikely(skb_tailroom(skb) < 4)) {
if (pskb_expand_head(skb, 0, 4, GFP_ATOMIC)) {
if (net_ratelimit())
printk("%s: failed to expand/update skb for the switch\n", dev->name);
goto error;
}
}
buf = skb_put(skb, 4);
}
/* move the ethernet header 4 bytes forward, overwriting the vlan tag */
memmove(skb->data + 4, skb->data, 12);
skb->data += 4;
skb->len -= 4;
skb->mac_header += 4;
if (!buf)
goto error;
/* append the tag */
*((u32 *) buf) = (
(0x80 << 24) |
((priv->vlans[vid] & 0x1f) << 16)
);
return priv->hardstart(skb, dev);
error:
/* any errors? drop the packet! */
dev_kfree_skb_any(skb);
return 0;
}
static int
mvswitch_mangle_rx(struct sk_buff *skb, int napi)
{
struct mvswitch_priv *priv;
struct net_device *dev;
int vlan = -1;
unsigned char *buf;
int i;
dev = skb->dev;
if (!dev)
goto error;
priv = dev->phy_ptr;
if (!priv)
goto error;
if (!priv->grp)
goto error;
buf = skb->data + skb->len - 4;
if (buf[0] != 0x80)
goto error;
/* look for the vlan matching the incoming port */
for (i = 0; i < ARRAY_SIZE(priv->vlans); i++) {
if ((1 << buf[1]) & priv->vlans[i])
vlan = i;
}
if (vlan == -1)
goto error;
if (napi)
return vlan_hwaccel_receive_skb(skb, priv->grp, vlan);
else
return vlan_hwaccel_rx(skb, priv->grp, vlan);
error:
/* no vlan? eat the packet! */
dev_kfree_skb_any(skb);
return 0;
}
static int
mvswitch_netif_rx(struct sk_buff *skb)
{
return mvswitch_mangle_rx(skb, 0);
}
static int
mvswitch_netif_receive_skb(struct sk_buff *skb)
{
return mvswitch_mangle_rx(skb, 1);
}
static void
mvswitch_vlan_rx_register(struct net_device *dev, struct vlan_group *grp)
{
struct mvswitch_priv *priv = dev->phy_ptr;
priv->grp = grp;
}
static int
mvswitch_config_init(struct phy_device *pdev)
{
struct mvswitch_priv *priv = to_mvsw(pdev);
struct net_device *dev = pdev->attached_dev;
u8 vlmap = 0;
int i;
if (!dev)
return -EINVAL;
printk("%s: Marvell 88E6060 PHY driver attached.\n", dev->name);
pdev->supported = ADVERTISED_100baseT_Full;
pdev->advertising = ADVERTISED_100baseT_Full;
dev->phy_ptr = priv;
/* initialize default vlans */
for (i = 0; i < MV_PORTS; i++)
priv->vlans[(i == MV_WANPORT ? 1 : 0)] |= (1 << i);
/* before entering reset, disable all ports */
for (i = 0; i < MV_PORTS; i++)
w16(pdev, MV_PORTREG(CONTROL, i), 0x00);
msleep(2); /* wait for the status change to settle in */
/* put the device in reset and set ATU flags */
w16(pdev, MV_SWITCHREG(ATU_CTRL),
MV_ATUCTL_RESET |
MV_ATUCTL_ATU_1K |
MV_ATUCTL_AGETIME(4080) /* maximum */
);
i = 100; /* timeout */
do {
if (!(r16(pdev, MV_SWITCHREG(ATU_CTRL)) & MV_ATUCTL_RESET))
break;
msleep(1);
} while (--i > 0);
if (!i) {
printk("%s: Timeout waiting for the switch to reset.\n", dev->name);
return -ETIMEDOUT;
}
/* initialize the cpu port */
w16(pdev, MV_PORTREG(CONTROL, MV_CPUPORT),
MV_PORTCTRL_ENABLED |
MV_PORTCTRL_VLANTUN |
MV_PORTCTRL_RXTR |
MV_PORTCTRL_TXTR
);
/* wait for the phy change to settle in */
msleep(2);
for (i = 0; i < MV_PORTS; i++) {
u8 pvid = 0;
int j;
vlmap = 0;
/* look for the matching vlan */
for (j = 0; j < ARRAY_SIZE(priv->vlans); j++) {
if (priv->vlans[j] & (1 << i)) {
vlmap = priv->vlans[j];
pvid = j;
}
}
/* leave port unconfigured if it's not part of a vlan */
if (!vlmap)
break;
/* add the cpu port to the allowed destinations list */
vlmap |= (1 << MV_CPUPORT);
/* take port out of its own vlan destination map */
vlmap &= ~(1 << i);
/* apply vlan settings */
w16(pdev, MV_PORTREG(VLANMAP, i),
MV_PORTVLAN_PORTS(vlmap) |
MV_PORTVLAN_ID(pvid)
);
/* re-enable port */
w16(pdev, MV_PORTREG(CONTROL, i), MV_PORTCTRL_ENABLED);
}
/* build the target list for the cpu port */
for (i = 0, vlmap = 0; i < ARRAY_SIZE(priv->vlans); i++)
vlmap |= priv->vlans[i];
w16(pdev, MV_PORTREG(VLANMAP, MV_CPUPORT),
MV_PORTVLAN_PORTS(vlmap)
);
/* set the port association vector */
for (i = 0; i <= MV_PORTS; i++) {
w16(pdev, MV_PORTREG(ASSOC, i),
MV_PORTASSOC_PORTS(1 << i)
);
}
/* hook into the tx function */
priv->hardstart = dev->hard_start_xmit;
pdev->netif_receive_skb = mvswitch_netif_receive_skb;
pdev->netif_rx = mvswitch_netif_rx;
dev->hard_start_xmit = mvswitch_mangle_tx;
dev->vlan_rx_register = mvswitch_vlan_rx_register;
dev->features |= NETIF_F_HW_VLAN_RX;
return 0;
}
static int
mvswitch_read_status(struct phy_device *phydev)
{
phydev->speed = SPEED_100;
phydev->duplex = DUPLEX_FULL;
phydev->state = PHY_UP;
return 0;
}
static int
mvswitch_config_aneg(struct phy_device *phydev)
{
return 0;
}
static void
mvswitch_remove(struct phy_device *pdev)
{
struct mvswitch_priv *priv = to_mvsw(pdev);
struct net_device *dev = pdev->attached_dev;
/* restore old xmit handler */
if (priv->hardstart && dev)
dev->hard_start_xmit = priv->hardstart;
dev->vlan_rx_register = NULL;
dev->vlan_rx_kill_vid = NULL;
dev->phy_ptr = NULL;
dev->features &= ~NETIF_F_HW_VLAN_RX;
kfree(priv);
}
static bool
mvswitch_detect(struct mii_bus *bus, int addr)
{
u16 reg;
int i;
/* we attach to phy id 31 to make sure that the late probe works */
if (addr != 31)
return false;
/* look for the switch on the bus */
reg = bus->read(bus, MV_PORTREG(IDENT, 0)) & MV_IDENT_MASK;
if (reg != MV_IDENT_VALUE)
return false;
/*
* Now that we've established that the switch actually exists, let's
* get rid of the competition :)
*/
for (i = 0; i < 31; i++) {
if (!bus->phy_map[i])
continue;
device_unregister(&bus->phy_map[i]->dev);
kfree(bus->phy_map[i]);
bus->phy_map[i] = NULL;
}
return true;
}
static int
mvswitch_probe(struct phy_device *pdev)
{
struct mvswitch_priv *priv;
priv = kzalloc(sizeof(struct mvswitch_priv), GFP_KERNEL);
if (priv == NULL)
return -ENOMEM;
pdev->priv = priv;
return 0;
}
static struct phy_driver mvswitch_driver = {
.name = "Marvell 88E6060",
.features = PHY_BASIC_FEATURES,
.detect = &mvswitch_detect,
.probe = &mvswitch_probe,
.remove = &mvswitch_remove,
.config_init = &mvswitch_config_init,
.config_aneg = &mvswitch_config_aneg,
.read_status = &mvswitch_read_status,
.driver = { .owner = THIS_MODULE,},
};
static int __init
mvswitch_init(void)
{
return phy_driver_register(&mvswitch_driver);
}
static void __exit
mvswitch_exit(void)
{
phy_driver_unregister(&mvswitch_driver);
}
module_init(mvswitch_init);
module_exit(mvswitch_exit);

104
target/linux/generic-2.6/files/drivers/net/phy/mvswitch.h Normal file
View File

@ -0,0 +1,104 @@
/*
* Marvell 88E6060 switch driver
* Copyright (c) 2008 Felix Fietkau <nbd@openwrt.org>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License v2 as published by the
* Free Software Foundation
*/
#ifndef __MVSWITCH_H
#define __MVSWITCH_H
#define MV_PORTS 5
#define MV_WANPORT 4
#define MV_CPUPORT 5
#define MV_BASE 0x10
#define MV_PHYPORT_BASE (MV_BASE + 0x0)
#define MV_PHYPORT(_n) (MV_PHYPORT_BASE + (_n))
#define MV_SWITCHPORT_BASE (MV_BASE + 0x8)
#define MV_SWITCHPORT(_n) (MV_SWITCHPORT_BASE + (_n))
#define MV_SWITCHREGS (MV_BASE + 0xf)
enum {
MV_PHY_CONTROL = 0x00,
MV_PHY_STATUS = 0x01,
MV_PHY_IDENT0 = 0x02,
MV_PHY_IDENT1 = 0x03,
MV_PHY_ANEG = 0x04,
MV_PHY_LINK_ABILITY = 0x05,
MV_PHY_ANEG_EXPAND = 0x06,
MV_PHY_XMIT_NEXTP = 0x07,
MV_PHY_LINK_NEXTP = 0x08,
MV_PHY_CONTROL1 = 0x10,
MV_PHY_STATUS1 = 0x11,
MV_PHY_INTR_EN = 0x12,
MV_PHY_INTR_STATUS = 0x13,
MV_PHY_INTR_PORT = 0x14,
MV_PHY_RECV_COUNTER = 0x15,
MV_PHY_LED_PARALLEL = 0x16,
MV_PHY_LED_STREAM = 0x17,
MV_PHY_LED_CTRL = 0x18,
MV_PHY_LED_OVERRIDE = 0x19,
MV_PHY_VCT_CTRL = 0x1a,
MV_PHY_VCT_STATUS = 0x1b,
MV_PHY_CONTROL2 = 0x1e
};
#define MV_PHYREG(_type, _port) MV_PHYPORT(_port), MV_PHY_##_type
enum {
MV_PORT_STATUS = 0x00,
MV_PORT_IDENT = 0x03,
MV_PORT_CONTROL = 0x04,
MV_PORT_VLANMAP = 0x06,
MV_PORT_ASSOC = 0x0b,
MV_PORT_RXCOUNT = 0x10,
MV_PORT_TXCOUNT = 0x11,
};
#define MV_PORTREG(_type, _port) MV_SWITCHPORT(_port), MV_PORT_##_type
enum {
MV_PORTCTRL_BLOCK = (1 << 0),
MV_PORTCTRL_LEARN = (2 << 0),
MV_PORTCTRL_ENABLED = (3 << 0),
MV_PORTCTRL_VLANTUN = (1 << 7), /* Enforce VLANs on packets */
MV_PORTCTRL_RXTR = (1 << 8), /* Enable Marvell packet trailer for ingress */
MV_PORTCTRL_TXTR = (1 << 14), /* Enable Marvell packet trailer for egress */
MV_PORTCTRL_FORCEFL = (1 << 15), /* force flow control */
};
#define MV_PORTVLAN_ID(_n) (((_n) & 0xf) << 12)
#define MV_PORTVLAN_PORTS(_n) ((_n) & 0x3f)
#define MV_PORTASSOC_PORTS(_n) ((_n) & 0x1f)
#define MV_PORTASSOC_MONITOR (1 << 15)
enum {
MV_SWITCH_MAC0 = 0x01,
MV_SWITCH_MAC1 = 0x02,
MV_SWITCH_MAC2 = 0x03,
MV_SWITCH_CTRL = 0x04,
MV_SWITCH_ATU_CTRL = 0x0a,
MV_SWITCH_ATU_OP = 0x0b,
MV_SWITCH_ATU_DATA = 0x0c,
MV_SWITCH_ATU_MAC0 = 0x0d,
MV_SWITCH_ATU_MAC1 = 0x0e,
MV_SWITCH_ATU_MAC2 = 0x0f,
};
#define MV_SWITCHREG(_type) MV_SWITCHREGS, MV_SWITCH_##_type
enum {
#define MV_ATUCTL_AGETIME(_n) ((((_n) / 16) & 0xff) << 4)
MV_ATUCTL_ATU_256 = (0 << 12),
MV_ATUCTL_ATU_512 = (1 << 12),
MV_ATUCTL_ATU_1K = (2 << 12),
MV_ATUCTL_ATUMASK = (3 << 12),
MV_ATUCTL_NO_LEARN = (1 << 14),
MV_ATUCTL_RESET = (1 << 15),
}
#define MV_IDENT_MASK 0xfff0
#define MV_IDENT_VALUE 0x0600
#endif

47
target/linux/generic-2.6/patches-2.6.23/630-phy_packets.patch Normal file
View File

@ -0,0 +1,47 @@
Index: linux-2.6.23.16/drivers/net/phy/phy_device.c
===================================================================
--- linux-2.6.23.16.orig/drivers/net/phy/phy_device.c 2008-02-11 07:06:32.000000000 +0100
+++ linux-2.6.23.16/drivers/net/phy/phy_device.c 2008-04-20 05:42:28.000000000 +0200
@@ -67,6 +67,8 @@
dev->bus = bus;
dev->state = PHY_DOWN;
+ dev->netif_receive_skb = &netif_receive_skb;
+ dev->netif_rx = &netif_rx;
spin_lock_init(&dev->lock);
Index: linux-2.6.23.16/include/linux/phy.h
===================================================================
--- linux-2.6.23.16.orig/include/linux/phy.h 2008-04-20 04:40:31.000000000 +0200
+++ linux-2.6.23.16/include/linux/phy.h 2008-04-20 05:53:21.000000000 +0200
@@ -289,6 +289,17 @@
void (*adjust_link)(struct net_device *dev);
void (*adjust_state)(struct net_device *dev);
+
+ /*
+ * By default these point to the original functions
+ * with the same name. adding them to the phy_device
+ * allows the phy driver to override them for packet
+ * mangling if the ethernet driver supports it
+ * This is required to support some really horrible
+ * switches such as the Marvell 88E6060
+ */
+ int (*netif_receive_skb)(struct sk_buff *skb);
+ int (*netif_rx)(struct sk_buff *skb);
};
#define to_phy_device(d) container_of(d, struct phy_device, dev)
Index: linux-2.6.23.16/include/linux/netdevice.h
===================================================================
--- linux-2.6.23.16.orig/include/linux/netdevice.h 2008-02-11 07:06:32.000000000 +0100
+++ linux-2.6.23.16/include/linux/netdevice.h 2008-04-20 06:33:25.000000000 +0200
@@ -426,6 +426,7 @@
void *ax25_ptr; /* AX.25 specific data */
struct wireless_dev *ieee80211_ptr; /* IEEE 802.11 specific data,
assign before registering */
+ void *phy_ptr; /* PHY device specific data */
/*
* Cache line mostly used on receive path (including eth_type_trans())

52
target/linux/generic-2.6/patches-2.6.23/640-mvswitch.patch Normal file
View File

@ -0,0 +1,52 @@
Index: linux-2.6.23.16/drivers/net/phy/Kconfig
===================================================================
--- linux-2.6.23.16.orig/drivers/net/phy/Kconfig 2008-04-20 07:31:20.000000000 +0200
+++ linux-2.6.23.16/drivers/net/phy/Kconfig 2008-04-20 08:57:26.000000000 +0200
@@ -65,6 +65,12 @@
---help---
Currently supports the ADM6996F switch
+config MVSWITCH_PHY
+ tristate "Driver for Marvell switches"
+ select VLAN_8021Q
+ ---help---
+ Currently supports the Marvell 88E6060 switch.
+
config FIXED_PHY
tristate "Drivers for PHY emulation on fixed speed/link"
---help---
Index: linux-2.6.23.16/drivers/net/phy/Makefile
===================================================================
--- linux-2.6.23.16.orig/drivers/net/phy/Makefile 2008-04-20 07:31:20.000000000 +0200
+++ linux-2.6.23.16/drivers/net/phy/Makefile 2008-04-20 07:31:34.000000000 +0200
@@ -13,4 +13,5 @@
obj-$(CONFIG_BROADCOM_PHY) += broadcom.o
obj-$(CONFIG_ICPLUS_PHY) += icplus.o
obj-$(CONFIG_ADM6996_PHY) += adm6996.o
+obj-$(CONFIG_MVSWITCH_PHY) += mvswitch.o
obj-$(CONFIG_FIXED_PHY) += fixed.o
Index: linux-2.6.23.16/drivers/net/phy/mdio_bus.c
===================================================================
--- linux-2.6.23.16.orig/drivers/net/phy/mdio_bus.c 2008-04-20 04:40:31.000000000 +0200
+++ linux-2.6.23.16/drivers/net/phy/mdio_bus.c 2008-04-20 07:34:08.000000000 +0200
@@ -35,6 +35,12 @@
#include <asm/irq.h>
#include <asm/uaccess.h>
+static void mdio_dev_release(struct device *dev)
+{
+ /* nothing to do */
+}
+
+
/**
* mdiobus_register - bring up all the PHYs on a given bus and attach them to bus
* @bus: target mii_bus
@@ -85,6 +91,7 @@
phydev->dev.parent = bus->dev;
phydev->dev.bus = &mdio_bus_type;
+ phydev->dev.release = mdio_dev_release;
snprintf(phydev->dev.bus_id, BUS_ID_SIZE, PHY_ID_FMT, bus->id, i);
phydev->bus = bus;