diff options
Diffstat (limited to 'drivers/net/dsa/b53')
| -rw-r--r-- | drivers/net/dsa/b53/b53_common.c | 78 | ||||
| -rw-r--r-- | drivers/net/dsa/b53/b53_regs.h | 7 |
2 files changed, 67 insertions, 18 deletions
diff --git a/drivers/net/dsa/b53/b53_common.c b/drivers/net/dsa/b53/b53_common.c index 71c30a81c36d..844cf2b8f727 100644 --- a/drivers/net/dsa/b53/b53_common.c +++ b/drivers/net/dsa/b53/b53_common.c @@ -359,18 +359,23 @@ static void b53_set_forwarding(struct b53_device *dev, int enable) b53_write8(dev, B53_CTRL_PAGE, B53_SWITCH_MODE, mgmt); - /* Include IMP port in dumb forwarding mode - */ - b53_read8(dev, B53_CTRL_PAGE, B53_SWITCH_CTRL, &mgmt); - mgmt |= B53_MII_DUMB_FWDG_EN; - b53_write8(dev, B53_CTRL_PAGE, B53_SWITCH_CTRL, mgmt); - - /* Look at B53_UC_FWD_EN and B53_MC_FWD_EN to decide whether - * frames should be flooded or not. - */ - b53_read8(dev, B53_CTRL_PAGE, B53_IP_MULTICAST_CTRL, &mgmt); - mgmt |= B53_UC_FWD_EN | B53_MC_FWD_EN | B53_IPMC_FWD_EN; - b53_write8(dev, B53_CTRL_PAGE, B53_IP_MULTICAST_CTRL, mgmt); + if (!is5325(dev)) { + /* Include IMP port in dumb forwarding mode */ + b53_read8(dev, B53_CTRL_PAGE, B53_SWITCH_CTRL, &mgmt); + mgmt |= B53_MII_DUMB_FWDG_EN; + b53_write8(dev, B53_CTRL_PAGE, B53_SWITCH_CTRL, mgmt); + + /* Look at B53_UC_FWD_EN and B53_MC_FWD_EN to decide whether + * frames should be flooded or not. + */ + b53_read8(dev, B53_CTRL_PAGE, B53_IP_MULTICAST_CTRL, &mgmt); + mgmt |= B53_UC_FWD_EN | B53_MC_FWD_EN | B53_IPMC_FWD_EN; + b53_write8(dev, B53_CTRL_PAGE, B53_IP_MULTICAST_CTRL, mgmt); + } else { + b53_read8(dev, B53_CTRL_PAGE, B53_IP_MULTICAST_CTRL, &mgmt); + mgmt |= B53_IP_MCAST_25; + b53_write8(dev, B53_CTRL_PAGE, B53_IP_MULTICAST_CTRL, mgmt); + } } static void b53_enable_vlan(struct b53_device *dev, int port, bool enable, @@ -527,6 +532,10 @@ void b53_imp_vlan_setup(struct dsa_switch *ds, int cpu_port) unsigned int i; u16 pvlan; + /* BCM5325 CPU port is at 8 */ + if ((is5325(dev) || is5365(dev)) && cpu_port == B53_CPU_PORT_25) + cpu_port = B53_CPU_PORT; + /* Enable the IMP port to be in the same VLAN as the other ports * on a per-port basis such that we only have Port i and IMP in * the same VLAN. @@ -577,6 +586,9 @@ static void b53_port_set_learning(struct b53_device *dev, int port, { u16 reg; + if (is5325(dev)) + return; + b53_read16(dev, B53_CTRL_PAGE, B53_DIS_LEARNING, ®); if (learning) reg &= ~BIT(port); @@ -613,6 +625,19 @@ int b53_setup_port(struct dsa_switch *ds, int port) if (dsa_is_user_port(ds, port)) b53_set_eap_mode(dev, port, EAP_MODE_SIMPLIFIED); + if (is5325(dev) && + in_range(port, 1, 4)) { + u8 reg; + + b53_read8(dev, B53_CTRL_PAGE, B53_PD_MODE_CTRL_25, ®); + reg &= ~PD_MODE_POWER_DOWN_PORT(0); + if (dsa_is_unused_port(ds, port)) + reg |= PD_MODE_POWER_DOWN_PORT(port); + else + reg &= ~PD_MODE_POWER_DOWN_PORT(port); + b53_write8(dev, B53_CTRL_PAGE, B53_PD_MODE_CTRL_25, reg); + } + return 0; } EXPORT_SYMBOL(b53_setup_port); @@ -1252,6 +1277,8 @@ static void b53_force_link(struct b53_device *dev, int port, int link) if (port == dev->imp_port) { off = B53_PORT_OVERRIDE_CTRL; val = PORT_OVERRIDE_EN; + } else if (is5325(dev)) { + return; } else { off = B53_GMII_PORT_OVERRIDE_CTRL(port); val = GMII_PO_EN; @@ -1276,6 +1303,8 @@ static void b53_force_port_config(struct b53_device *dev, int port, if (port == dev->imp_port) { off = B53_PORT_OVERRIDE_CTRL; val = PORT_OVERRIDE_EN; + } else if (is5325(dev)) { + return; } else { off = B53_GMII_PORT_OVERRIDE_CTRL(port); val = GMII_PO_EN; @@ -1306,10 +1335,19 @@ static void b53_force_port_config(struct b53_device *dev, int port, return; } - if (rx_pause) - reg |= PORT_OVERRIDE_RX_FLOW; - if (tx_pause) - reg |= PORT_OVERRIDE_TX_FLOW; + if (rx_pause) { + if (is5325(dev)) + reg |= PORT_OVERRIDE_LP_FLOW_25; + else + reg |= PORT_OVERRIDE_RX_FLOW; + } + + if (tx_pause) { + if (is5325(dev)) + reg |= PORT_OVERRIDE_LP_FLOW_25; + else + reg |= PORT_OVERRIDE_TX_FLOW; + } b53_write8(dev, B53_CTRL_PAGE, off, reg); } @@ -2167,7 +2205,13 @@ int b53_br_flags_pre(struct dsa_switch *ds, int port, struct switchdev_brport_flags flags, struct netlink_ext_ack *extack) { - if (flags.mask & ~(BR_FLOOD | BR_MCAST_FLOOD | BR_LEARNING)) + struct b53_device *dev = ds->priv; + unsigned long mask = (BR_FLOOD | BR_MCAST_FLOOD); + + if (!is5325(dev)) + mask |= BR_LEARNING; + + if (flags.mask & ~mask) return -EINVAL; return 0; diff --git a/drivers/net/dsa/b53/b53_regs.h b/drivers/net/dsa/b53/b53_regs.h index 5f7a0e5c5709..5741231e0841 100644 --- a/drivers/net/dsa/b53/b53_regs.h +++ b/drivers/net/dsa/b53/b53_regs.h @@ -95,17 +95,22 @@ #define PORT_OVERRIDE_SPEED_10M (0 << PORT_OVERRIDE_SPEED_S) #define PORT_OVERRIDE_SPEED_100M (1 << PORT_OVERRIDE_SPEED_S) #define PORT_OVERRIDE_SPEED_1000M (2 << PORT_OVERRIDE_SPEED_S) +#define PORT_OVERRIDE_LP_FLOW_25 BIT(3) /* BCM5325 only */ #define PORT_OVERRIDE_RV_MII_25 BIT(4) /* BCM5325 only */ #define PORT_OVERRIDE_RX_FLOW BIT(4) #define PORT_OVERRIDE_TX_FLOW BIT(5) #define PORT_OVERRIDE_SPEED_2000M BIT(6) /* BCM5301X only, requires setting 1000M */ #define PORT_OVERRIDE_EN BIT(7) /* Use the register contents */ -/* Power-down mode control */ +/* Power-down mode control (8 bit) */ #define B53_PD_MODE_CTRL_25 0x0f +#define PD_MODE_PORT_MASK 0x1f +/* Bit 0 also powers down the switch. */ +#define PD_MODE_POWER_DOWN_PORT(i) BIT(i) /* IP Multicast control (8 bit) */ #define B53_IP_MULTICAST_CTRL 0x21 +#define B53_IP_MCAST_25 BIT(0) #define B53_IPMC_FWD_EN BIT(1) #define B53_UC_FWD_EN BIT(6) #define B53_MC_FWD_EN BIT(7) |