diff options
Diffstat (limited to 'target')
| -rw-r--r-- | target/linux/generic/config-2.6.33 | 1 | ||||
| -rw-r--r-- | target/linux/generic/config-2.6.34 | 1 | ||||
| -rw-r--r-- | target/linux/generic/config-2.6.35 | 1 | ||||
| -rw-r--r-- | target/linux/generic/files/drivers/net/phy/psb6970.c | 438 | ||||
| -rw-r--r-- | target/linux/generic/patches-2.6.33/692-phy_psb6970.patch | 23 | ||||
| -rw-r--r-- | target/linux/generic/patches-2.6.34/692-phy_psb6970.patch | 23 | ||||
| -rw-r--r-- | target/linux/generic/patches-2.6.35/692-phy_psb6970.patch | 23 |
7 files changed, 510 insertions, 0 deletions
diff --git a/target/linux/generic/config-2.6.33 b/target/linux/generic/config-2.6.33 index 15832bbdc7..30027e6c09 100644 --- a/target/linux/generic/config-2.6.33 +++ b/target/linux/generic/config-2.6.33 @@ -1824,6 +1824,7 @@ CONFIG_PROC_KCORE=y CONFIG_PROC_SYSCTL=y # CONFIG_PROFILING is not set # CONFIG_PROVE_LOCKING is not set +# CONFIG_PSB6970_PHY is not set # CONFIG_QEMU is not set # CONFIG_QLA3XXX is not set # CONFIG_QNX4FS_FS is not set diff --git a/target/linux/generic/config-2.6.34 b/target/linux/generic/config-2.6.34 index 3b58a1a184..d08c34448e 100644 --- a/target/linux/generic/config-2.6.34 +++ b/target/linux/generic/config-2.6.34 @@ -1858,6 +1858,7 @@ CONFIG_PROC_KCORE=y CONFIG_PROC_SYSCTL=y # CONFIG_PROFILING is not set # CONFIG_PROVE_LOCKING is not set +# CONFIG_PSB6970_PHY is not set # CONFIG_QEMU is not set # CONFIG_QLA3XXX is not set # CONFIG_QNX4FS_FS is not set diff --git a/target/linux/generic/config-2.6.35 b/target/linux/generic/config-2.6.35 index 6b02f43692..048134fcde 100644 --- a/target/linux/generic/config-2.6.35 +++ b/target/linux/generic/config-2.6.35 @@ -1917,6 +1917,7 @@ CONFIG_PROC_KCORE=y CONFIG_PROC_SYSCTL=y # CONFIG_PROFILING is not set # CONFIG_PROVE_LOCKING is not set +# CONFIG_PSB6970_PHY is not set # CONFIG_QEMU is not set # CONFIG_QLA3XXX is not set # CONFIG_QLCNIC is not set diff --git a/target/linux/generic/files/drivers/net/phy/psb6970.c b/target/linux/generic/files/drivers/net/phy/psb6970.c new file mode 100644 index 0000000000..b9280540ca --- /dev/null +++ b/target/linux/generic/files/drivers/net/phy/psb6970.c @@ -0,0 +1,438 @@ +/* + * Lantiq PSB6970 (Tantos) Switch driver + * + * Copyright (c) 2009,2010 Team Embedded. + * + * 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. + * + * The switch programming done in this driver follows the + * "Ethernet Traffic Separation using VLAN" Application Note as + * published by Lantiq. + */ + +#include <linux/module.h> +#include <linux/netdevice.h> +#include <linux/switch.h> +#include <linux/phy.h> + +#define PSB6970_MAX_VLANS 16 +#define PSB6970_NUM_PORTS 7 +#define PSB6970_DEFAULT_PORT_CPU 6 +#define PSB6970_IS_CPU_PORT(x) ((x) > 4) + +#define PHYADDR(_reg) ((_reg >> 5) & 0xff), (_reg & 0x1f) + +/* --- Identification --- */ +#define PSB6970_CI0 0x0100 +#define PSB6970_CI0_MASK 0x000f +#define PSB6970_CI1 0x0101 +#define PSB6970_CI1_VAL 0x2599 +#define PSB6970_CI1_MASK 0xffff + +/* --- VLAN filter table --- */ +#define PSB6970_VFxL(i) ((i)*2+0x10) /* VLAN Filter Low */ +#define PSB6970_VFxL_VV (1 << 15) /* VLAN_Valid */ + +#define PSB6970_VFxH(i) ((i)*2+0x11) /* VLAN Filter High */ +#define PSB6970_VFxH_TM_SHIFT 7 /* Tagged Member */ + +/* --- Port registers --- */ +#define PSB6970_EC(p) ((p)*0x20+2) /* Extended Control */ +#define PSB6970_EC_IFNTE (1 << 1) /* Input Force No Tag Enable */ + +#define PSB6970_PBVM(p) ((p)*0x20+3) /* Port Base VLAN Map */ +#define PSB6970_PBVM_VMCE (1 << 8) +#define PSB6970_PBVM_AOVTP (1 << 9) +#define PSB6970_PBVM_VSD (1 << 10) +#define PSB6970_PBVM_VC (1 << 11) /* VID Check with VID table */ +#define PSB6970_PBVM_TBVE (1 << 13) /* Tag-Based VLAN enable */ + +#define PSB6970_DVID(p) ((p)*0x20+4) /* Default VLAN ID & Priority */ + +struct psb6970_priv { + struct switch_dev dev; + struct phy_device *phy; + u16 (*read) (struct phy_device* phydev, int reg); + void (*write) (struct phy_device* phydev, int reg, u16 val); + struct mutex reg_mutex; + + /* all fields below are cleared on reset */ + bool vlan; + u16 vlan_id[PSB6970_MAX_VLANS]; + u8 vlan_table[PSB6970_MAX_VLANS]; + u8 vlan_tagged; + u16 pvid[PSB6970_NUM_PORTS]; +}; + +#define to_psb6970(_dev) container_of(_dev, struct psb6970_priv, dev) + +static u16 psb6970_mii_read(struct phy_device *phydev, int reg) +{ + return phydev->bus->read(phydev->bus, PHYADDR(reg)); +} + +static void psb6970_mii_write(struct phy_device *phydev, int reg, u16 val) +{ + phydev->bus->write(phydev->bus, PHYADDR(reg), val); +} + +static int +psb6970_set_vlan(struct switch_dev *dev, const struct switch_attr *attr, + struct switch_val *val) +{ + struct psb6970_priv *priv = to_psb6970(dev); + priv->vlan = !!val->value.i; + return 0; +} + +static int +psb6970_get_vlan(struct switch_dev *dev, const struct switch_attr *attr, + struct switch_val *val) +{ + struct psb6970_priv *priv = to_psb6970(dev); + val->value.i = priv->vlan; + return 0; +} + +static int psb6970_set_pvid(struct switch_dev *dev, int port, int vlan) +{ + struct psb6970_priv *priv = to_psb6970(dev); + + /* make sure no invalid PVIDs get set */ + if (vlan >= dev->vlans) + return -EINVAL; + + priv->pvid[port] = vlan; + return 0; +} + +static int psb6970_get_pvid(struct switch_dev *dev, int port, int *vlan) +{ + struct psb6970_priv *priv = to_psb6970(dev); + *vlan = priv->pvid[port]; + return 0; +} + +static int +psb6970_set_vid(struct switch_dev *dev, const struct switch_attr *attr, + struct switch_val *val) +{ + struct psb6970_priv *priv = to_psb6970(dev); + priv->vlan_id[val->port_vlan] = val->value.i; + return 0; +} + +static int +psb6970_get_vid(struct switch_dev *dev, const struct switch_attr *attr, + struct switch_val *val) +{ + struct psb6970_priv *priv = to_psb6970(dev); + val->value.i = priv->vlan_id[val->port_vlan]; + return 0; +} + +static struct switch_attr psb6970_globals[] = { + { + .type = SWITCH_TYPE_INT, + .name = "enable_vlan", + .description = "Enable VLAN mode", + .set = psb6970_set_vlan, + .get = psb6970_get_vlan, + .max = 1}, +}; + +static struct switch_attr psb6970_port[] = { +}; + +static struct switch_attr psb6970_vlan[] = { + { + .type = SWITCH_TYPE_INT, + .name = "pvid", + .description = "VLAN ID", + .set = psb6970_set_vid, + .get = psb6970_get_vid, + .max = 4094, + }, +}; + +static int psb6970_get_ports(struct switch_dev *dev, struct switch_val *val) +{ + struct psb6970_priv *priv = to_psb6970(dev); + u8 ports = priv->vlan_table[val->port_vlan]; + int i; + + val->len = 0; + for (i = 0; i < PSB6970_NUM_PORTS; i++) { + struct switch_port *p; + + if (!(ports & (1 << i))) + continue; + + p = &val->value.ports[val->len++]; + p->id = i; + if (priv->vlan_tagged & (1 << i)) + p->flags = (1 << SWITCH_PORT_FLAG_TAGGED); + else + p->flags = 0; + } + return 0; +} + +static int psb6970_set_ports(struct switch_dev *dev, struct switch_val *val) +{ + struct psb6970_priv *priv = to_psb6970(dev); + u8 *vt = &priv->vlan_table[val->port_vlan]; + int i, j; + + *vt = 0; + for (i = 0; i < val->len; i++) { + struct switch_port *p = &val->value.ports[i]; + + if (p->flags & (1 << SWITCH_PORT_FLAG_TAGGED)) + priv->vlan_tagged |= (1 << p->id); + else { + priv->vlan_tagged &= ~(1 << p->id); + priv->pvid[p->id] = val->port_vlan; + + /* make sure that an untagged port does not + * appear in other vlans */ + for (j = 0; j < PSB6970_MAX_VLANS; j++) { + if (j == val->port_vlan) + continue; + priv->vlan_table[j] &= ~(1 << p->id); + } + } + + *vt |= 1 << p->id; + } + return 0; +} + +static int psb6970_hw_apply(struct switch_dev *dev) +{ + struct psb6970_priv *priv = to_psb6970(dev); + int i, j; + + mutex_lock(&priv->reg_mutex); + + if (priv->vlan) { + /* into the vlan translation unit */ + for (j = 0; j < PSB6970_MAX_VLANS; j++) { + u8 vp = priv->vlan_table[j]; + + if (vp) { + priv->write(priv->phy, PSB6970_VFxL(j), + PSB6970_VFxL_VV | priv->vlan_id[j]); + priv->write(priv->phy, PSB6970_VFxH(j), + ((vp & priv-> + vlan_tagged) << + PSB6970_VFxH_TM_SHIFT) | vp); + } else /* clear VLAN Valid flag for unused vlans */ + priv->write(priv->phy, PSB6970_VFxL(j), 0); + + } + } + + /* update the port destination mask registers and tag settings */ + for (i = 0; i < PSB6970_NUM_PORTS; i++) { + int dvid = 1, pbvm = 0x7f | PSB6970_PBVM_VSD, ec = 0; + + if (priv->vlan) { + ec = PSB6970_EC_IFNTE; + dvid = priv->vlan_id[priv->pvid[i]]; + pbvm |= PSB6970_PBVM_TBVE | PSB6970_PBVM_VMCE; + + if ((i << 1) & priv->vlan_tagged) + pbvm |= PSB6970_PBVM_AOVTP | PSB6970_PBVM_VC; + } + + priv->write(priv->phy, PSB6970_PBVM(i), pbvm); + + if (!PSB6970_IS_CPU_PORT(i)) { + priv->write(priv->phy, PSB6970_EC(i), ec); + priv->write(priv->phy, PSB6970_DVID(i), dvid); + } + } + + mutex_unlock(&priv->reg_mutex); + return 0; +} + +static int psb6970_reset_switch(struct switch_dev *dev) +{ + struct psb6970_priv *priv = to_psb6970(dev); + int i; + + mutex_lock(&priv->reg_mutex); + + memset(&priv->vlan, 0, sizeof(struct psb6970_priv) - + offsetof(struct psb6970_priv, vlan)); + + for (i = 0; i < PSB6970_MAX_VLANS; i++) + priv->vlan_id[i] = i; + + mutex_unlock(&priv->reg_mutex); + + return psb6970_hw_apply(dev); +} + +static const struct switch_dev_ops psb6970_ops = { + .attr_global = { + .attr = psb6970_globals, + .n_attr = ARRAY_SIZE(psb6970_globals), + }, + .attr_port = { + .attr = psb6970_port, + .n_attr = ARRAY_SIZE(psb6970_port), + }, + .attr_vlan = { + .attr = psb6970_vlan, + .n_attr = ARRAY_SIZE(psb6970_vlan), + }, + .get_port_pvid = psb6970_get_pvid, + .set_port_pvid = psb6970_set_pvid, + .get_vlan_ports = psb6970_get_ports, + .set_vlan_ports = psb6970_set_ports, + .apply_config = psb6970_hw_apply, + .reset_switch = psb6970_reset_switch, +}; + +static int psb6970_config_init(struct phy_device *pdev) +{ + struct psb6970_priv *priv; + struct net_device *dev = pdev->attached_dev; + struct switch_dev *swdev; + int ret; + + priv = kzalloc(sizeof(struct psb6970_priv), GFP_KERNEL); + if (priv == NULL) + return -ENOMEM; + + priv->phy = pdev; + + if (pdev->addr == 0) + printk(KERN_INFO "%s: psb6970 switch driver attached.\n", + pdev->attached_dev->name); + + if (pdev->addr != 0) { + kfree(priv); + return 0; + } + + pdev->supported = pdev->advertising = SUPPORTED_100baseT_Full; + + mutex_init(&priv->reg_mutex); + priv->read = psb6970_mii_read; + priv->write = psb6970_mii_write; + + pdev->priv = priv; + + swdev = &priv->dev; + swdev->cpu_port = PSB6970_DEFAULT_PORT_CPU; + swdev->ops = &psb6970_ops; + + swdev->name = "Lantiq PSB6970"; + swdev->vlans = PSB6970_MAX_VLANS; + swdev->ports = PSB6970_NUM_PORTS; + + if ((ret = register_switch(&priv->dev, pdev->attached_dev)) < 0) { + kfree(priv); + goto done; + } + + ret = psb6970_reset_switch(&priv->dev); + if (ret) { + kfree(priv); + goto done; + } + + dev->phy_ptr = priv; + +done: + return ret; +} + +static int psb6970_read_status(struct phy_device *phydev) +{ + phydev->speed = SPEED_100; + phydev->duplex = DUPLEX_FULL; + phydev->link = 1; + + phydev->state = PHY_RUNNING; + netif_carrier_on(phydev->attached_dev); + phydev->adjust_link(phydev->attached_dev); + + return 0; +} + +static int psb6970_config_aneg(struct phy_device *phydev) +{ + return 0; +} + +static int psb6970_probe(struct phy_device *pdev) +{ + return 0; +} + +static void psb6970_remove(struct phy_device *pdev) +{ + struct psb6970_priv *priv = pdev->priv; + + if (!priv) + return; + + if (pdev->addr == 0) + unregister_switch(&priv->dev); + kfree(priv); +} + +static int psb6970_fixup(struct phy_device *dev) +{ + struct mii_bus *bus = dev->bus; + u16 reg; + + /* look for the switch on the bus */ + reg = bus->read(bus, PHYADDR(PSB6970_CI1)) & PSB6970_CI1_MASK; + if (reg != PSB6970_CI1_VAL) + return 0; + + dev->phy_id = (reg << 16); + dev->phy_id |= bus->read(bus, PHYADDR(PSB6970_CI0)) & PSB6970_CI0_MASK; + + return 0; +} + +static struct phy_driver psb6970_driver = { + .name = "Lantiq PSB6970", + .phy_id = PSB6970_CI1_VAL << 16, + .phy_id_mask = 0xffff0000, + .features = PHY_BASIC_FEATURES, + .probe = psb6970_probe, + .remove = psb6970_remove, + .config_init = &psb6970_config_init, + .config_aneg = &psb6970_config_aneg, + .read_status = &psb6970_read_status, + .driver = {.owner = THIS_MODULE}, +}; + +int __init psb6970_init(void) +{ + phy_register_fixup_for_id(PHY_ANY_ID, psb6970_fixup); + return phy_driver_register(&psb6970_driver); +} + +module_init(psb6970_init); + +void __exit psb6970_exit(void) +{ + phy_driver_unregister(&psb6970_driver); +} + +module_exit(psb6970_exit); + +MODULE_DESCRIPTION("Lantiq PSB6970 Switch"); +MODULE_AUTHOR("Ithamar R. Adema <ithamar.adema@team-embedded.nl>"); +MODULE_LICENSE("GPL"); diff --git a/target/linux/generic/patches-2.6.33/692-phy_psb6970.patch b/target/linux/generic/patches-2.6.33/692-phy_psb6970.patch new file mode 100644 index 0000000000..a2f0989d57 --- /dev/null +++ b/target/linux/generic/patches-2.6.33/692-phy_psb6970.patch @@ -0,0 +1,23 @@ +--- a/drivers/net/phy/Makefile ++++ b/drivers/net/phy/Makefile +@@ -15,6 +15,7 @@ obj-$(CONFIG_BROADCOM_PHY) += broadcom.o + obj-$(CONFIG_BCM63XX_PHY) += bcm63xx.o + obj-$(CONFIG_ICPLUS_PHY) += icplus.o + obj-$(CONFIG_ADM6996_PHY) += adm6996.o ++obj-$(CONFIG_PSB6970_PHY) += psb6970.o + obj-$(CONFIG_MVSWITCH_PHY) += mvswitch.o + obj-$(CONFIG_IP17XX_PHY) += ip17xx.o + obj-$(CONFIG_REALTEK_PHY) += realtek.o +--- a/drivers/net/phy/Kconfig ++++ b/drivers/net/phy/Kconfig +@@ -99,6 +99,10 @@ config ADM6996_PHY + ---help--- + Currently supports the ADM6996F switch + ++config PSB6970_PHY ++ tristate "Driver for Lantiq PSB6970 (Tantos) switch" ++ select SWCONFIG ++ + config MVSWITCH_PHY + tristate "Driver for Marvell 88E6060 switches" + diff --git a/target/linux/generic/patches-2.6.34/692-phy_psb6970.patch b/target/linux/generic/patches-2.6.34/692-phy_psb6970.patch new file mode 100644 index 0000000000..365e5acf89 --- /dev/null +++ b/target/linux/generic/patches-2.6.34/692-phy_psb6970.patch @@ -0,0 +1,23 @@ +--- a/drivers/net/phy/Makefile ++++ b/drivers/net/phy/Makefile +@@ -15,6 +15,7 @@ obj-$(CONFIG_BROADCOM_PHY) += broadcom.o + obj-$(CONFIG_BCM63XX_PHY) += bcm63xx.o + obj-$(CONFIG_ICPLUS_PHY) += icplus.o + obj-$(CONFIG_ADM6996_PHY) += adm6996.o ++obj-$(CONFIG_PSB6970_PHY) += psb6970.o + obj-$(CONFIG_MVSWITCH_PHY) += mvswitch.o + obj-$(CONFIG_IP17XX_PHY) += ip17xx.o + obj-$(CONFIG_REALTEK_PHY) += realtek.o +--- a/drivers/net/phy/Kconfig ++++ b/drivers/net/phy/Kconfig +@@ -104,6 +104,10 @@ config ADM6996_PHY + ---help--- + Currently supports the ADM6996F switch + ++config PSB6970_PHY ++ tristate "Driver for Lantiq PSB6970 (Tantos) switch" ++ select SWCONFIG ++ + config MVSWITCH_PHY + tristate "Driver for Marvell 88E6060 switches" + diff --git a/target/linux/generic/patches-2.6.35/692-phy_psb6970.patch b/target/linux/generic/patches-2.6.35/692-phy_psb6970.patch new file mode 100644 index 0000000000..365e5acf89 --- /dev/null +++ b/target/linux/generic/patches-2.6.35/692-phy_psb6970.patch @@ -0,0 +1,23 @@ +--- a/drivers/net/phy/Makefile ++++ b/drivers/net/phy/Makefile +@@ -15,6 +15,7 @@ obj-$(CONFIG_BROADCOM_PHY) += broadcom.o + obj-$(CONFIG_BCM63XX_PHY) += bcm63xx.o + obj-$(CONFIG_ICPLUS_PHY) += icplus.o + obj-$(CONFIG_ADM6996_PHY) += adm6996.o ++obj-$(CONFIG_PSB6970_PHY) += psb6970.o + obj-$(CONFIG_MVSWITCH_PHY) += mvswitch.o + obj-$(CONFIG_IP17XX_PHY) += ip17xx.o + obj-$(CONFIG_REALTEK_PHY) += realtek.o +--- a/drivers/net/phy/Kconfig ++++ b/drivers/net/phy/Kconfig +@@ -104,6 +104,10 @@ config ADM6996_PHY + ---help--- + Currently supports the ADM6996F switch + ++config PSB6970_PHY ++ tristate "Driver for Lantiq PSB6970 (Tantos) switch" ++ select SWCONFIG ++ + config MVSWITCH_PHY + tristate "Driver for Marvell 88E6060 switches" + |