diff options
| -rw-r--r-- | drivers/net/ethernet/ti/cpsw_ale.c | 50 | ||||
| -rw-r--r-- | drivers/net/ethernet/ti/cpsw_ale.h | 13 | ||||
| -rw-r--r-- | drivers/net/ethernet/ti/netcp_ethss.c | 5 |
3 files changed, 61 insertions, 7 deletions
diff --git a/drivers/net/ethernet/ti/cpsw_ale.c b/drivers/net/ethernet/ti/cpsw_ale.c index 43b061bd8e07..e15db39a2b69 100644 --- a/drivers/net/ethernet/ti/cpsw_ale.c +++ b/drivers/net/ethernet/ti/cpsw_ale.c @@ -1,5 +1,5 @@ /* - * Texas Instruments 3-Port Ethernet Switch Address Lookup Engine + * Texas Instruments N-Port Ethernet Switch Address Lookup Engine * * Copyright (C) 2012 Texas Instruments * @@ -27,8 +27,9 @@ #define BITMASK(bits) (BIT(bits) - 1) -#define ALE_VERSION_MAJOR(rev) ((rev >> 8) & 0xff) +#define ALE_VERSION_MAJOR(rev, mask) (((rev) >> 8) & (mask)) #define ALE_VERSION_MINOR(rev) (rev & 0xff) +#define ALE_VERSION_1R4 0x0104 /* ALE Registers */ #define ALE_IDVER 0x00 @@ -39,6 +40,12 @@ #define ALE_TABLE 0x34 #define ALE_PORTCTL 0x40 +/* ALE NetCP NU switch specific Registers */ +#define ALE_UNKNOWNVLAN_MEMBER 0x90 +#define ALE_UNKNOWNVLAN_UNREG_MCAST_FLOOD 0x94 +#define ALE_UNKNOWNVLAN_REG_MCAST_FLOOD 0x98 +#define ALE_UNKNOWNVLAN_FORCE_UNTAG_EGRESS 0x9C + #define ALE_TABLE_WRITE BIT(31) #define ALE_TYPE_FREE 0 @@ -464,7 +471,7 @@ struct ale_control_info { int bits; }; -static const struct ale_control_info ale_controls[ALE_NUM_CONTROLS] = { +static struct ale_control_info ale_controls[ALE_NUM_CONTROLS] = { [ALE_ENABLE] = { .name = "enable", .offset = ALE_CONTROL, @@ -724,8 +731,41 @@ void cpsw_ale_start(struct cpsw_ale *ale) u32 rev; rev = __raw_readl(ale->params.ale_regs + ALE_IDVER); - dev_dbg(ale->params.dev, "initialized cpsw ale revision %d.%d\n", - ALE_VERSION_MAJOR(rev), ALE_VERSION_MINOR(rev)); + if (!ale->params.major_ver_mask) + ale->params.major_ver_mask = 0xff; + ale->version = + (ALE_VERSION_MAJOR(rev, ale->params.major_ver_mask) << 8) | + ALE_VERSION_MINOR(rev); + dev_info(ale->params.dev, "initialized cpsw ale version %d.%d\n", + ALE_VERSION_MAJOR(rev, ale->params.major_ver_mask), + ALE_VERSION_MINOR(rev)); + + if (ale->params.nu_switch_ale) { + /* Separate registers for unknown vlan configuration. + * Also there are N bits, where N is number of ale + * ports and shift value should be 0 + */ + ale_controls[ALE_PORT_UNKNOWN_VLAN_MEMBER].bits = + ale->params.ale_ports; + ale_controls[ALE_PORT_UNKNOWN_VLAN_MEMBER].offset = + ALE_UNKNOWNVLAN_MEMBER; + ale_controls[ALE_PORT_UNKNOWN_MCAST_FLOOD].bits = + ale->params.ale_ports; + ale_controls[ALE_PORT_UNKNOWN_MCAST_FLOOD].shift = 0; + ale_controls[ALE_PORT_UNKNOWN_MCAST_FLOOD].offset = + ALE_UNKNOWNVLAN_UNREG_MCAST_FLOOD; + ale_controls[ALE_PORT_UNKNOWN_REG_MCAST_FLOOD].bits = + ale->params.ale_ports; + ale_controls[ALE_PORT_UNKNOWN_REG_MCAST_FLOOD].shift = 0; + ale_controls[ALE_PORT_UNKNOWN_REG_MCAST_FLOOD].offset = + ALE_UNKNOWNVLAN_REG_MCAST_FLOOD; + ale_controls[ALE_PORT_UNTAGGED_EGRESS].bits = + ale->params.ale_ports; + ale_controls[ALE_PORT_UNTAGGED_EGRESS].shift = 0; + ale_controls[ALE_PORT_UNTAGGED_EGRESS].offset = + ALE_UNKNOWNVLAN_FORCE_UNTAG_EGRESS; + } + cpsw_ale_control_set(ale, 0, ALE_ENABLE, 1); cpsw_ale_control_set(ale, 0, ALE_CLEAR, 1); diff --git a/drivers/net/ethernet/ti/cpsw_ale.h b/drivers/net/ethernet/ti/cpsw_ale.h index a7001894f3da..b1c79542633c 100644 --- a/drivers/net/ethernet/ti/cpsw_ale.h +++ b/drivers/net/ethernet/ti/cpsw_ale.h @@ -1,5 +1,5 @@ /* - * Texas Instruments 3-Port Ethernet Switch Address Lookup Engine APIs + * Texas Instruments N-Port Ethernet Switch Address Lookup Engine APIs * * Copyright (C) 2012 Texas Instruments * @@ -21,6 +21,16 @@ struct cpsw_ale_params { unsigned long ale_ageout; /* in secs */ unsigned long ale_entries; unsigned long ale_ports; + /* NU Switch has specific handling as number of bits in ALE entries + * are different than other versions of ALE. Also there are specific + * registers for unknown vlan specific fields. So use nu_switch_ale + * to identify this hardware. + */ + bool nu_switch_ale; + /* mask bit used in NU Switch ALE is 3 bits instead of 8 bits. So + * pass it from caller. + */ + u32 major_ver_mask; }; struct cpsw_ale { @@ -28,6 +38,7 @@ struct cpsw_ale { struct timer_list timer; unsigned long ageout; int allmulti; + u32 version; }; enum cpsw_ale_control { diff --git a/drivers/net/ethernet/ti/netcp_ethss.c b/drivers/net/ethernet/ti/netcp_ethss.c index 6bb8e2650017..e4a18628d23d 100644 --- a/drivers/net/ethernet/ti/netcp_ethss.c +++ b/drivers/net/ethernet/ti/netcp_ethss.c @@ -3609,7 +3609,10 @@ static int gbe_probe(struct netcp_device *netcp_device, struct device *dev, ale_params.ale_ageout = GBE_DEFAULT_ALE_AGEOUT; ale_params.ale_entries = gbe_dev->ale_entries; ale_params.ale_ports = gbe_dev->ale_ports; - + if (IS_SS_ID_MU(gbe_dev)) { + ale_params.major_ver_mask = 0x7; + ale_params.nu_switch_ale = true; + } gbe_dev->ale = cpsw_ale_create(&ale_params); if (!gbe_dev->ale) { dev_err(gbe_dev->dev, "error initializing ale engine\n"); |