diff options
Diffstat (limited to 'drivers/net/dsa/microchip')
| -rw-r--r-- | drivers/net/dsa/microchip/ksz8863_smi.c | 2 | ||||
| -rw-r--r-- | drivers/net/dsa/microchip/ksz9477.c | 25 | ||||
| -rw-r--r-- | drivers/net/dsa/microchip/ksz9477.h | 1 | ||||
| -rw-r--r-- | drivers/net/dsa/microchip/ksz9477_i2c.c | 6 | ||||
| -rw-r--r-- | drivers/net/dsa/microchip/ksz9477_reg.h | 4 | ||||
| -rw-r--r-- | drivers/net/dsa/microchip/ksz_common.c | 612 | ||||
| -rw-r--r-- | drivers/net/dsa/microchip/ksz_common.h | 18 | ||||
| -rw-r--r-- | drivers/net/dsa/microchip/ksz_spi.c | 8 | ||||
| -rw-r--r-- | drivers/net/dsa/microchip/lan937x.h | 1 | ||||
| -rw-r--r-- | drivers/net/dsa/microchip/lan937x_main.c | 446 | ||||
| -rw-r--r-- | drivers/net/dsa/microchip/lan937x_reg.h | 6 |
11 files changed, 685 insertions, 444 deletions
diff --git a/drivers/net/dsa/microchip/ksz8863_smi.c b/drivers/net/dsa/microchip/ksz8863_smi.c index 5247fdfb964d..ddb40838181e 100644 --- a/drivers/net/dsa/microchip/ksz8863_smi.c +++ b/drivers/net/dsa/microchip/ksz8863_smi.c @@ -180,8 +180,6 @@ static void ksz8863_smi_remove(struct mdio_device *mdiodev) if (dev) ksz_switch_remove(dev); - - dev_set_drvdata(&mdiodev->dev, NULL); } static void ksz8863_smi_shutdown(struct mdio_device *mdiodev) diff --git a/drivers/net/dsa/microchip/ksz9477.c b/drivers/net/dsa/microchip/ksz9477.c index 42d7e4c12459..a6a0321a8931 100644 --- a/drivers/net/dsa/microchip/ksz9477.c +++ b/drivers/net/dsa/microchip/ksz9477.c @@ -963,6 +963,31 @@ void ksz9477_get_caps(struct ksz_device *dev, int port, config->mac_capabilities |= MAC_1000FD; } +int ksz9477_set_ageing_time(struct ksz_device *dev, unsigned int msecs) +{ + u32 secs = msecs / 1000; + u8 value; + u8 data; + int ret; + + value = FIELD_GET(SW_AGE_PERIOD_7_0_M, secs); + + ret = ksz_write8(dev, REG_SW_LUE_CTRL_3, value); + if (ret < 0) + return ret; + + data = FIELD_GET(SW_AGE_PERIOD_10_8_M, secs); + + ret = ksz_read8(dev, REG_SW_LUE_CTRL_0, &value); + if (ret < 0) + return ret; + + value &= ~SW_AGE_CNT_M; + value |= FIELD_PREP(SW_AGE_CNT_M, data); + + return ksz_write8(dev, REG_SW_LUE_CTRL_0, value); +} + void ksz9477_port_setup(struct ksz_device *dev, int port, bool cpu_port) { struct dsa_switch *ds = dev->ds; diff --git a/drivers/net/dsa/microchip/ksz9477.h b/drivers/net/dsa/microchip/ksz9477.h index ce87e4e09ada..00862c4cfb7f 100644 --- a/drivers/net/dsa/microchip/ksz9477.h +++ b/drivers/net/dsa/microchip/ksz9477.h @@ -16,6 +16,7 @@ u32 ksz9477_get_port_addr(int port, int offset); void ksz9477_cfg_port_member(struct ksz_device *dev, int port, u8 member); void ksz9477_flush_dyn_mac_table(struct ksz_device *dev, int port); void ksz9477_port_setup(struct ksz_device *dev, int port, bool cpu_port); +int ksz9477_set_ageing_time(struct ksz_device *dev, unsigned int msecs); int ksz9477_r_phy(struct ksz_device *dev, u16 addr, u16 reg, u16 *data); int ksz9477_w_phy(struct ksz_device *dev, u16 addr, u16 reg, u16 val); void ksz9477_r_mib_cnt(struct ksz_device *dev, int port, u16 addr, u64 *cnt); diff --git a/drivers/net/dsa/microchip/ksz9477_i2c.c b/drivers/net/dsa/microchip/ksz9477_i2c.c index 99966514d444..e111756f6473 100644 --- a/drivers/net/dsa/microchip/ksz9477_i2c.c +++ b/drivers/net/dsa/microchip/ksz9477_i2c.c @@ -59,8 +59,6 @@ static int ksz9477_i2c_remove(struct i2c_client *i2c) if (dev) ksz_switch_remove(dev); - i2c_set_clientdata(i2c, NULL); - return 0; } @@ -92,6 +90,10 @@ static const struct of_device_id ksz9477_dt_ids[] = { .data = &ksz_switch_chips[KSZ9477] }, { + .compatible = "microchip,ksz9896", + .data = &ksz_switch_chips[KSZ9896] + }, + { .compatible = "microchip,ksz9897", .data = &ksz_switch_chips[KSZ9897] }, diff --git a/drivers/net/dsa/microchip/ksz9477_reg.h b/drivers/net/dsa/microchip/ksz9477_reg.h index ddf99d1e4bbd..53c68d286dd3 100644 --- a/drivers/net/dsa/microchip/ksz9477_reg.h +++ b/drivers/net/dsa/microchip/ksz9477_reg.h @@ -189,8 +189,9 @@ #define SW_VLAN_ENABLE BIT(7) #define SW_DROP_INVALID_VID BIT(6) -#define SW_AGE_CNT_M 0x7 +#define SW_AGE_CNT_M GENMASK(5, 3) #define SW_AGE_CNT_S 3 +#define SW_AGE_PERIOD_10_8_M GENMASK(10, 8) #define SW_RESV_MCAST_ENABLE BIT(2) #define SW_HASH_OPTION_M 0x03 #define SW_HASH_OPTION_CRC 1 @@ -225,6 +226,7 @@ #define SW_PRIO_LOWEST_DA_SA 3 #define REG_SW_LUE_CTRL_3 0x0313 +#define SW_AGE_PERIOD_7_0_M GENMASK(7, 0) #define REG_SW_LUE_INT_STATUS 0x0314 #define REG_SW_LUE_INT_ENABLE 0x0315 diff --git a/drivers/net/dsa/microchip/ksz_common.c b/drivers/net/dsa/microchip/ksz_common.c index ec2896a23834..d612181b3226 100644 --- a/drivers/net/dsa/microchip/ksz_common.c +++ b/drivers/net/dsa/microchip/ksz_common.c @@ -14,6 +14,9 @@ #include <linux/phy.h> #include <linux/etherdevice.h> #include <linux/if_bridge.h> +#include <linux/irq.h> +#include <linux/irqdomain.h> +#include <linux/of_mdio.h> #include <linux/of_device.h> #include <linux/of_net.h> #include <linux/micrel_phy.h> @@ -170,12 +173,20 @@ static const struct ksz_dev_ops ksz8_dev_ops = { .exit = ksz8_switch_exit, }; +static void ksz9477_phylink_mac_link_up(struct ksz_device *dev, int port, + unsigned int mode, + phy_interface_t interface, + struct phy_device *phydev, int speed, + int duplex, bool tx_pause, + bool rx_pause); + static const struct ksz_dev_ops ksz9477_dev_ops = { .setup = ksz9477_setup, .get_port_addr = ksz9477_get_port_addr, .cfg_port_member = ksz9477_cfg_port_member, .flush_dyn_mac_table = ksz9477_flush_dyn_mac_table, .port_setup = ksz9477_port_setup, + .set_ageing_time = ksz9477_set_ageing_time, .r_phy = ksz9477_r_phy, .w_phy = ksz9477_w_phy, .r_mib_cnt = ksz9477_r_mib_cnt, @@ -196,6 +207,7 @@ static const struct ksz_dev_ops ksz9477_dev_ops = { .mdb_del = ksz9477_mdb_del, .change_mtu = ksz9477_change_mtu, .max_mtu = ksz9477_max_mtu, + .phylink_mac_link_up = ksz9477_phylink_mac_link_up, .config_cpu_port = ksz9477_config_cpu_port, .enable_stp_addr = ksz9477_enable_stp_addr, .reset = ksz9477_reset_switch, @@ -210,6 +222,7 @@ static const struct ksz_dev_ops lan937x_dev_ops = { .cfg_port_member = ksz9477_cfg_port_member, .flush_dyn_mac_table = ksz9477_flush_dyn_mac_table, .port_setup = lan937x_port_setup, + .set_ageing_time = lan937x_set_ageing_time, .r_phy = lan937x_r_phy, .w_phy = lan937x_w_phy, .r_mib_cnt = ksz9477_r_mib_cnt, @@ -231,6 +244,7 @@ static const struct ksz_dev_ops lan937x_dev_ops = { .mdb_del = ksz9477_mdb_del, .change_mtu = lan937x_change_mtu, .max_mtu = ksz9477_max_mtu, + .phylink_mac_link_up = ksz9477_phylink_mac_link_up, .config_cpu_port = lan937x_config_cpu_port, .enable_stp_addr = ksz9477_enable_stp_addr, .reset = lan937x_reset_switch, @@ -547,7 +561,8 @@ static const struct regmap_range ksz9477_valid_regs[] = { regmap_reg_range(0x0302, 0x031b), regmap_reg_range(0x0320, 0x032b), regmap_reg_range(0x0330, 0x0336), - regmap_reg_range(0x0338, 0x033e), + regmap_reg_range(0x0338, 0x033b), + regmap_reg_range(0x033e, 0x033e), regmap_reg_range(0x0340, 0x035f), regmap_reg_range(0x0370, 0x0370), regmap_reg_range(0x0378, 0x0378), @@ -802,6 +817,219 @@ static const struct regmap_access_table ksz9477_register_set = { .n_yes_ranges = ARRAY_SIZE(ksz9477_valid_regs), }; +static const struct regmap_range ksz9896_valid_regs[] = { + regmap_reg_range(0x0000, 0x0003), + regmap_reg_range(0x0006, 0x0006), + regmap_reg_range(0x0010, 0x001f), + regmap_reg_range(0x0100, 0x0100), + regmap_reg_range(0x0103, 0x0107), + regmap_reg_range(0x010d, 0x010d), + regmap_reg_range(0x0110, 0x0113), + regmap_reg_range(0x0120, 0x0127), + regmap_reg_range(0x0201, 0x0201), + regmap_reg_range(0x0210, 0x0213), + regmap_reg_range(0x0300, 0x0300), + regmap_reg_range(0x0302, 0x030b), + regmap_reg_range(0x0310, 0x031b), + regmap_reg_range(0x0320, 0x032b), + regmap_reg_range(0x0330, 0x0336), + regmap_reg_range(0x0338, 0x033b), + regmap_reg_range(0x033e, 0x033e), + regmap_reg_range(0x0340, 0x035f), + regmap_reg_range(0x0370, 0x0370), + regmap_reg_range(0x0378, 0x0378), + regmap_reg_range(0x037c, 0x037d), + regmap_reg_range(0x0390, 0x0393), + regmap_reg_range(0x0400, 0x040e), + regmap_reg_range(0x0410, 0x042f), + + /* port 1 */ + regmap_reg_range(0x1000, 0x1001), + regmap_reg_range(0x1013, 0x1013), + regmap_reg_range(0x1017, 0x1017), + regmap_reg_range(0x101b, 0x101b), + regmap_reg_range(0x101f, 0x1020), + regmap_reg_range(0x1030, 0x1030), + regmap_reg_range(0x1100, 0x1115), + regmap_reg_range(0x111a, 0x111f), + regmap_reg_range(0x1122, 0x1127), + regmap_reg_range(0x112a, 0x112b), + regmap_reg_range(0x1136, 0x1139), + regmap_reg_range(0x113e, 0x113f), + regmap_reg_range(0x1400, 0x1401), + regmap_reg_range(0x1403, 0x1403), + regmap_reg_range(0x1410, 0x1417), + regmap_reg_range(0x1420, 0x1423), + regmap_reg_range(0x1500, 0x1507), + regmap_reg_range(0x1600, 0x1612), + regmap_reg_range(0x1800, 0x180f), + regmap_reg_range(0x1820, 0x1827), + regmap_reg_range(0x1830, 0x1837), + regmap_reg_range(0x1840, 0x184b), + regmap_reg_range(0x1900, 0x1907), + regmap_reg_range(0x1914, 0x1915), + regmap_reg_range(0x1a00, 0x1a03), + regmap_reg_range(0x1a04, 0x1a07), + regmap_reg_range(0x1b00, 0x1b01), + regmap_reg_range(0x1b04, 0x1b04), + + /* port 2 */ + regmap_reg_range(0x2000, 0x2001), + regmap_reg_range(0x2013, 0x2013), + regmap_reg_range(0x2017, 0x2017), + regmap_reg_range(0x201b, 0x201b), + regmap_reg_range(0x201f, 0x2020), + regmap_reg_range(0x2030, 0x2030), + regmap_reg_range(0x2100, 0x2115), + regmap_reg_range(0x211a, 0x211f), + regmap_reg_range(0x2122, 0x2127), + regmap_reg_range(0x212a, 0x212b), + regmap_reg_range(0x2136, 0x2139), + regmap_reg_range(0x213e, 0x213f), + regmap_reg_range(0x2400, 0x2401), + regmap_reg_range(0x2403, 0x2403), + regmap_reg_range(0x2410, 0x2417), + regmap_reg_range(0x2420, 0x2423), + regmap_reg_range(0x2500, 0x2507), + regmap_reg_range(0x2600, 0x2612), + regmap_reg_range(0x2800, 0x280f), + regmap_reg_range(0x2820, 0x2827), + regmap_reg_range(0x2830, 0x2837), + regmap_reg_range(0x2840, 0x284b), + regmap_reg_range(0x2900, 0x2907), + regmap_reg_range(0x2914, 0x2915), + regmap_reg_range(0x2a00, 0x2a03), + regmap_reg_range(0x2a04, 0x2a07), + regmap_reg_range(0x2b00, 0x2b01), + regmap_reg_range(0x2b04, 0x2b04), + + /* port 3 */ + regmap_reg_range(0x3000, 0x3001), + regmap_reg_range(0x3013, 0x3013), + regmap_reg_range(0x3017, 0x3017), + regmap_reg_range(0x301b, 0x301b), + regmap_reg_range(0x301f, 0x3020), + regmap_reg_range(0x3030, 0x3030), + regmap_reg_range(0x3100, 0x3115), + regmap_reg_range(0x311a, 0x311f), + regmap_reg_range(0x3122, 0x3127), + regmap_reg_range(0x312a, 0x312b), + regmap_reg_range(0x3136, 0x3139), + regmap_reg_range(0x313e, 0x313f), + regmap_reg_range(0x3400, 0x3401), + regmap_reg_range(0x3403, 0x3403), + regmap_reg_range(0x3410, 0x3417), + regmap_reg_range(0x3420, 0x3423), + regmap_reg_range(0x3500, 0x3507), + regmap_reg_range(0x3600, 0x3612), + regmap_reg_range(0x3800, 0x380f), + regmap_reg_range(0x3820, 0x3827), + regmap_reg_range(0x3830, 0x3837), + regmap_reg_range(0x3840, 0x384b), + regmap_reg_range(0x3900, 0x3907), + regmap_reg_range(0x3914, 0x3915), + regmap_reg_range(0x3a00, 0x3a03), + regmap_reg_range(0x3a04, 0x3a07), + regmap_reg_range(0x3b00, 0x3b01), + regmap_reg_range(0x3b04, 0x3b04), + + /* port 4 */ + regmap_reg_range(0x4000, 0x4001), + regmap_reg_range(0x4013, 0x4013), + regmap_reg_range(0x4017, 0x4017), + regmap_reg_range(0x401b, 0x401b), + regmap_reg_range(0x401f, 0x4020), + regmap_reg_range(0x4030, 0x4030), + regmap_reg_range(0x4100, 0x4115), + regmap_reg_range(0x411a, 0x411f), + regmap_reg_range(0x4122, 0x4127), + regmap_reg_range(0x412a, 0x412b), + regmap_reg_range(0x4136, 0x4139), + regmap_reg_range(0x413e, 0x413f), + regmap_reg_range(0x4400, 0x4401), + regmap_reg_range(0x4403, 0x4403), + regmap_reg_range(0x4410, 0x4417), + regmap_reg_range(0x4420, 0x4423), + regmap_reg_range(0x4500, 0x4507), + regmap_reg_range(0x4600, 0x4612), + regmap_reg_range(0x4800, 0x480f), + regmap_reg_range(0x4820, 0x4827), + regmap_reg_range(0x4830, 0x4837), + regmap_reg_range(0x4840, 0x484b), + regmap_reg_range(0x4900, 0x4907), + regmap_reg_range(0x4914, 0x4915), + regmap_reg_range(0x4a00, 0x4a03), + regmap_reg_range(0x4a04, 0x4a07), + regmap_reg_range(0x4b00, 0x4b01), + regmap_reg_range(0x4b04, 0x4b04), + + /* port 5 */ + regmap_reg_range(0x5000, 0x5001), + regmap_reg_range(0x5013, 0x5013), + regmap_reg_range(0x5017, 0x5017), + regmap_reg_range(0x501b, 0x501b), + regmap_reg_range(0x501f, 0x5020), + regmap_reg_range(0x5030, 0x5030), + regmap_reg_range(0x5100, 0x5115), + regmap_reg_range(0x511a, 0x511f), + regmap_reg_range(0x5122, 0x5127), + regmap_reg_range(0x512a, 0x512b), + regmap_reg_range(0x5136, 0x5139), + regmap_reg_range(0x513e, 0x513f), + regmap_reg_range(0x5400, 0x5401), + regmap_reg_range(0x5403, 0x5403), + regmap_reg_range(0x5410, 0x5417), + regmap_reg_range(0x5420, 0x5423), + regmap_reg_range(0x5500, 0x5507), + regmap_reg_range(0x5600, 0x5612), + regmap_reg_range(0x5800, 0x580f), + regmap_reg_range(0x5820, 0x5827), + regmap_reg_range(0x5830, 0x5837), + regmap_reg_range(0x5840, 0x584b), + regmap_reg_range(0x5900, 0x5907), + regmap_reg_range(0x5914, 0x5915), + regmap_reg_range(0x5a00, 0x5a03), + regmap_reg_range(0x5a04, 0x5a07), + regmap_reg_range(0x5b00, 0x5b01), + regmap_reg_range(0x5b04, 0x5b04), + + /* port 6 */ + regmap_reg_range(0x6000, 0x6001), + regmap_reg_range(0x6013, 0x6013), + regmap_reg_range(0x6017, 0x6017), + regmap_reg_range(0x601b, 0x601b), + regmap_reg_range(0x601f, 0x6020), + regmap_reg_range(0x6030, 0x6030), + regmap_reg_range(0x6100, 0x6115), + regmap_reg_range(0x611a, 0x611f), + regmap_reg_range(0x6122, 0x6127), + regmap_reg_range(0x612a, 0x612b), + regmap_reg_range(0x6136, 0x6139), + regmap_reg_range(0x613e, 0x613f), + regmap_reg_range(0x6300, 0x6301), + regmap_reg_range(0x6400, 0x6401), + regmap_reg_range(0x6403, 0x6403), + regmap_reg_range(0x6410, 0x6417), + regmap_reg_range(0x6420, 0x6423), + regmap_reg_range(0x6500, 0x6507), + regmap_reg_range(0x6600, 0x6612), + regmap_reg_range(0x6800, 0x680f), + regmap_reg_range(0x6820, 0x6827), + regmap_reg_range(0x6830, 0x6837), + regmap_reg_range(0x6840, 0x684b), + regmap_reg_range(0x6900, 0x6907), + regmap_reg_range(0x6914, 0x6915), + regmap_reg_range(0x6a00, 0x6a03), + regmap_reg_range(0x6a04, 0x6a07), + regmap_reg_range(0x6b00, 0x6b01), + regmap_reg_range(0x6b04, 0x6b04), +}; + +static const struct regmap_access_table ksz9896_register_set = { + .yes_ranges = ksz9896_valid_regs, + .n_yes_ranges = ARRAY_SIZE(ksz9896_valid_regs), +}; + const struct ksz_chip_data ksz_switch_chips[] = { [KSZ8563] = { .chip_id = KSZ8563_CHIP_ID, @@ -943,6 +1171,7 @@ const struct ksz_chip_data ksz_switch_chips[] = { .num_statics = 16, .cpu_ports = 0x7F, /* can be configured as cpu port */ .port_cnt = 7, /* total physical port count */ + .port_nirqs = 4, .ops = &ksz9477_dev_ops, .phy_errata_9477 = true, .mib_names = ksz9477_mib_names, @@ -966,6 +1195,38 @@ const struct ksz_chip_data ksz_switch_chips[] = { .rd_table = &ksz9477_register_set, }, + [KSZ9896] = { + .chip_id = KSZ9896_CHIP_ID, + .dev_name = "KSZ9896", + .num_vlans = 4096, + .num_alus = 4096, + .num_statics = 16, + .cpu_ports = 0x3F, /* can be configured as cpu port */ + .port_cnt = 6, /* total physical port count */ + .port_nirqs = 2, + .ops = &ksz9477_dev_ops, + .phy_errata_9477 = true, + .mib_names = ksz9477_mib_names, + .mib_cnt = ARRAY_SIZE(ksz9477_mib_names), + .reg_mib_cnt = MIB_COUNTER_NUM, + .regs = ksz9477_regs, + .masks = ksz9477_masks, + .shifts = ksz9477_shifts, + .xmii_ctrl0 = ksz9477_xmii_ctrl0, + .xmii_ctrl1 = ksz9477_xmii_ctrl1, + .supports_mii = {false, false, false, false, + false, true}, + .supports_rmii = {false, false, false, false, + false, true}, + .supports_rgmii = {false, false, false, false, + false, true}, + .internal_phy = {true, true, true, true, + true, false}, + .gbit_capable = {true, true, true, true, true, true}, + .wr_table = &ksz9896_register_set, + .rd_table = &ksz9896_register_set, + }, + [KSZ9897] = { .chip_id = KSZ9897_CHIP_ID, .dev_name = "KSZ9897", @@ -974,6 +1235,7 @@ const struct ksz_chip_data ksz_switch_chips[] = { .num_statics = 16, .cpu_ports = 0x7F, /* can be configured as cpu port */ .port_cnt = 7, /* total physical port count */ + .port_nirqs = 2, .ops = &ksz9477_dev_ops, .phy_errata_9477 = true, .mib_names = ksz9477_mib_names, @@ -1003,6 +1265,7 @@ const struct ksz_chip_data ksz_switch_chips[] = { .num_statics = 16, .cpu_ports = 0x07, /* can be configured as cpu port */ .port_cnt = 3, /* total port count */ + .port_nirqs = 2, .ops = &ksz9477_dev_ops, .mib_names = ksz9477_mib_names, .mib_cnt = ARRAY_SIZE(ksz9477_mib_names), @@ -1027,6 +1290,7 @@ const struct ksz_chip_data ksz_switch_chips[] = { .num_statics = 16, .cpu_ports = 0x7F, /* can be configured as cpu port */ .port_cnt = 7, /* total physical port count */ + .port_nirqs = 3, .ops = &ksz9477_dev_ops, .phy_errata_9477 = true, .mib_names = ksz9477_mib_names, @@ -1056,6 +1320,7 @@ const struct ksz_chip_data ksz_switch_chips[] = { .num_statics = 256, .cpu_ports = 0x10, /* can be configured as cpu port */ .port_cnt = 5, /* total physical port count */ + .port_nirqs = 6, .ops = &lan937x_dev_ops, .mib_names = ksz9477_mib_names, .mib_cnt = ARRAY_SIZE(ksz9477_mib_names), @@ -1079,6 +1344,7 @@ const struct ksz_chip_data ksz_switch_chips[] = { .num_statics = 256, .cpu_ports = 0x30, /* can be configured as cpu port */ .port_cnt = 6, /* total physical port count */ + .port_nirqs = 6, .ops = &lan937x_dev_ops, .mib_names = ksz9477_mib_names, .mib_cnt = ARRAY_SIZE(ksz9477_mib_names), @@ -1102,6 +1368,7 @@ const struct ksz_chip_data ksz_switch_chips[] = { .num_statics = 256, .cpu_ports = 0x30, /* can be configured as cpu port */ .port_cnt = 8, /* total physical port count */ + .port_nirqs = 6, .ops = &lan937x_dev_ops, .mib_names = ksz9477_mib_names, .mib_cnt = ARRAY_SIZE(ksz9477_mib_names), @@ -1129,6 +1396,7 @@ const struct ksz_chip_data ksz_switch_chips[] = { .num_statics = 256, .cpu_ports = 0x38, /* can be configured as cpu port */ .port_cnt = 5, /* total physical port count */ + .port_nirqs = 6, .ops = &lan937x_dev_ops, .mib_names = ksz9477_mib_names, .mib_cnt = ARRAY_SIZE(ksz9477_mib_names), @@ -1156,6 +1424,7 @@ const struct ksz_chip_data ksz_switch_chips[] = { .num_statics = 256, .cpu_ports = 0x30, /* can be configured as cpu port */ .port_cnt = 8, /* total physical port count */ + .port_nirqs = 6, .ops = &lan937x_dev_ops, .mib_names = ksz9477_mib_names, .mib_cnt = ARRAY_SIZE(ksz9477_mib_names), @@ -1387,9 +1656,280 @@ static void ksz_update_port_member(struct ksz_device *dev, int port) dev->dev_ops->cfg_port_member(dev, port, port_member | cpu_port); } +static int ksz_sw_mdio_read(struct mii_bus *bus, int addr, int regnum) +{ + struct ksz_device *dev = bus->priv; + u16 val; + int ret; + + if (regnum & MII_ADDR_C45) + return -EOPNOTSUPP; + + ret = dev->dev_ops->r_phy(dev, addr, regnum, &val); + if (ret < 0) + return ret; + + return val; +} + +static int ksz_sw_mdio_write(struct mii_bus *bus, int addr, int regnum, + u16 val) +{ + struct ksz_device *dev = bus->priv; + + if (regnum & MII_ADDR_C45) + return -EOPNOTSUPP; + + return dev->dev_ops->w_phy(dev, addr, regnum, val); +} + +static int ksz_irq_phy_setup(struct ksz_device *dev) +{ + struct dsa_switch *ds = dev->ds; + int phy; + int irq; + int ret; + + for (phy = 0; phy < KSZ_MAX_NUM_PORTS; phy++) { + if (BIT(phy) & ds->phys_mii_mask) { + irq = irq_find_mapping(dev->ports[phy].pirq.domain, + PORT_SRC_PHY_INT); + if (irq < 0) { + ret = irq; + goto out; + } + ds->slave_mii_bus->irq[phy] = irq; + } + } + return 0; +out: + while (phy--) + if (BIT(phy) & ds->phys_mii_mask) + irq_dispose_mapping(ds->slave_mii_bus->irq[phy]); + + return ret; +} + +static void ksz_irq_phy_free(struct ksz_device *dev) +{ + struct dsa_switch *ds = dev->ds; + int phy; + + for (phy = 0; phy < KSZ_MAX_NUM_PORTS; phy++) + if (BIT(phy) & ds->phys_mii_mask) + irq_dispose_mapping(ds->slave_mii_bus->irq[phy]); +} + +static int ksz_mdio_register(struct ksz_device *dev) +{ + struct dsa_switch *ds = dev->ds; + struct device_node *mdio_np; + struct mii_bus *bus; + int ret; + + mdio_np = of_get_child_by_name(dev->dev->of_node, "mdio"); + if (!mdio_np) + return 0; + + bus = devm_mdiobus_alloc(ds->dev); + if (!bus) { + of_node_put(mdio_np); + return -ENOMEM; + } + + bus->priv = dev; + bus->read = ksz_sw_mdio_read; + bus->write = ksz_sw_mdio_write; + bus->name = "ksz slave smi"; + snprintf(bus->id, MII_BUS_ID_SIZE, "SMI-%d", ds->index); + bus->parent = ds->dev; + bus->phy_mask = ~ds->phys_mii_mask; + + ds->slave_mii_bus = bus; + + if (dev->irq > 0) { + ret = ksz_irq_phy_setup(dev); + if (ret) { + of_node_put(mdio_np); + return ret; + } + } + + ret = devm_of_mdiobus_register(ds->dev, bus, mdio_np); + if (ret) { + dev_err(ds->dev, "unable to register MDIO bus %s\n", + bus->id); + if (dev->irq > 0) + ksz_irq_phy_free(dev); + } + + of_node_put(mdio_np); + + return ret; +} + +static void ksz_irq_mask(struct irq_data *d) +{ + struct ksz_irq *kirq = irq_data_get_irq_chip_data(d); + + kirq->masked |= BIT(d->hwirq); +} + +static void ksz_irq_unmask(struct irq_data *d) +{ + struct ksz_irq *kirq = irq_data_get_irq_chip_data(d); + + kirq->masked &= ~BIT(d->hwirq); +} + +static void ksz_irq_bus_lock(struct irq_data *d) +{ + struct ksz_irq *kirq = irq_data_get_irq_chip_data(d); + + mutex_lock(&kirq->dev->lock_irq); +} + +static void ksz_irq_bus_sync_unlock(struct irq_data *d) +{ + struct ksz_irq *kirq = irq_data_get_irq_chip_data(d); + struct ksz_device *dev = kirq->dev; + int ret; + + ret = ksz_write32(dev, kirq->reg_mask, kirq->masked); + if (ret) + dev_err(dev->dev, "failed to change IRQ mask\n"); + + mutex_unlock(&dev->lock_irq); +} + +static const struct irq_chip ksz_irq_chip = { + .name = "ksz-irq", + .irq_mask = ksz_irq_mask, + .irq_unmask = ksz_irq_unmask, + .irq_bus_lock = ksz_irq_bus_lock, + .irq_bus_sync_unlock = ksz_irq_bus_sync_unlock, +}; + +static int ksz_irq_domain_map(struct irq_domain *d, + unsigned int irq, irq_hw_number_t hwirq) +{ + irq_set_chip_data(irq, d->host_data); + irq_set_chip_and_handler(irq, &ksz_irq_chip, handle_level_irq); + irq_set_noprobe(irq); + + return 0; +} + +static const struct irq_domain_ops ksz_irq_domain_ops = { + .map = ksz_irq_domain_map, + .xlate = irq_domain_xlate_twocell, +}; + +static void ksz_irq_free(struct ksz_irq *kirq) +{ + int irq, virq; + + free_irq(kirq->irq_num, kirq); + + for (irq = 0; irq < kirq->nirqs; irq++) { + virq = irq_find_mapping(kirq->domain, irq); + irq_dispose_mapping(virq); + } + + irq_domain_remove(kirq->domain); +} + +static irqreturn_t ksz_irq_thread_fn(int irq, void *dev_id) +{ + struct ksz_irq *kirq = dev_id; + unsigned int nhandled = 0; + struct ksz_device *dev; + unsigned int sub_irq; + u8 data; + int ret; + u8 n; + + dev = kirq->dev; + + /* Read interrupt status register */ + ret = ksz_read8(dev, kirq->reg_status, &data); + if (ret) + goto out; + + for (n = 0; n < kirq->nirqs; ++n) { + if (data & BIT(n)) { + sub_irq = irq_find_mapping(kirq->domain, n); + handle_nested_irq(sub_irq); + ++nhandled; + } + } +out: + return (nhandled > 0 ? IRQ_HANDLED : IRQ_NONE); +} + +static int ksz_irq_common_setup(struct ksz_device *dev, struct ksz_irq *kirq) +{ + int ret, n; + + kirq->dev = dev; + kirq->masked = ~0; + + kirq->domain = irq_domain_add_simple(dev->dev->of_node, kirq->nirqs, 0, + &ksz_irq_domain_ops, kirq); + if (!kirq->domain) + return -ENOMEM; + + for (n = 0; n < kirq->nirqs; n++) + irq_create_mapping(kirq->domain, n); + + ret = request_threaded_irq(kirq->irq_num, NULL, ksz_irq_thread_fn, + IRQF_ONESHOT | IRQF_TRIGGER_FALLING, + kirq->name, kirq); + if (ret) + goto out; + + return 0; + +out: + ksz_irq_free(kirq); + + return ret; +} + +static int ksz_girq_setup(struct ksz_device *dev) +{ + struct ksz_irq *girq = &dev->girq; + + girq->nirqs = dev->info->port_cnt; + girq->reg_mask = REG_SW_PORT_INT_MASK__1; + girq->reg_status = REG_SW_PORT_INT_STATUS__1; + snprintf(girq->name, sizeof(girq->name), "global_port_irq"); + + girq->irq_num = dev->irq; + + return ksz_irq_common_setup(dev, girq); +} + +static int ksz_pirq_setup(struct ksz_device *dev, u8 p) +{ + struct ksz_irq *pirq = &dev->ports[p].pirq; + + pirq->nirqs = dev->info->port_nirqs; + pirq->reg_mask = dev->dev_ops->get_port_addr(p, REG_PORT_INT_MASK); + pirq->reg_status = dev->dev_ops->get_port_addr(p, REG_PORT_INT_STATUS); + snprintf(pirq->name, sizeof(pirq->name), "port_irq-%d", p); + + pirq->irq_num = irq_find_mapping(dev->girq.domain, p); + if (pirq->irq_num < 0) + return pirq->irq_num; + + return ksz_irq_common_setup(dev, pirq); +} + static int ksz_setup(struct dsa_switch *ds) { struct ksz_device *dev = ds->priv; + struct dsa_port *dp; struct ksz_port *p; const u16 *regs; int ret; @@ -1438,16 +1978,52 @@ static int ksz_setup(struct dsa_switch *ds) p = &dev->ports[dev->cpu_port]; p->learning = true; + if (dev->irq > 0) { + ret = ksz_girq_setup(dev); + if (ret) + return ret; + + dsa_switch_for_each_user_port(dp, dev->ds) { + ret = ksz_pirq_setup(dev, dp->index); + if (ret) + goto out_girq; + } + } + + ret = ksz_mdio_register(dev); + if (ret < 0) { + dev_err(dev->dev, "failed to register the mdio"); + goto out_pirq; + } + /* start switch */ regmap_update_bits(dev->regmap[0], regs[S_START_CTRL], SW_START, SW_START); return 0; + +out_pirq: + if (dev->irq > 0) + dsa_switch_for_each_user_port(dp, dev->ds) + ksz_irq_free(&dev->ports[dp->index].pirq); +out_girq: + if (dev->irq > 0) + ksz_irq_free(&dev->girq); + + return ret; } static void ksz_teardown(struct dsa_switch *ds) { struct ksz_device *dev = ds->priv; + struct dsa_port *dp; + + if (dev->irq > 0) { + dsa_switch_for_each_user_port(dp, dev->ds) + ksz_irq_free(&dev->ports[dp->index].pirq); + + ksz_irq_free(&dev->girq); + } if (dev->dev_ops->teardown) dev->dev_ops->teardown(ds); @@ -1639,6 +2215,16 @@ static void ksz_port_fast_age(struct dsa_switch *ds, int port) dev->dev_ops->flush_dyn_mac_table(dev, port); } +static int ksz_set_ageing_time(struct dsa_switch *ds, unsigned int msecs) +{ + struct ksz_device *dev = ds->priv; + + if (!dev->dev_ops->set_ageing_time) + return -EOPNOTSUPP; + + return dev->dev_ops->set_ageing_time(dev, msecs); +} + static int ksz_port_fdb_add(struct dsa_switch *ds, int port, const unsigned char *addr, u16 vid, struct dsa_db db) @@ -1807,6 +2393,7 @@ static enum dsa_tag_protocol ksz_get_tag_protocol(struct dsa_switch *ds, proto = DSA_TAG_PROTO_KSZ9893; if (dev->chip_id == KSZ9477_CHIP_ID || + dev->chip_id == KSZ9896_CHIP_ID || dev->chip_id == KSZ9897_CHIP_ID || dev->chip_id == KSZ9567_CHIP_ID) proto = DSA_TAG_PROTO_KSZ9477; @@ -2094,13 +2681,13 @@ static void ksz_duplex_flowctrl(struct ksz_device *dev, int port, int duplex, ksz_prmw8(dev, port, regs[P_XMII_CTRL_0], mask, val); } -static void ksz_phylink_mac_link_up(struct dsa_switch *ds, int port, - unsigned int mode, - phy_interface_t interface, - struct phy_device *phydev, int speed, - int duplex, bool tx_pause, bool rx_pause) +static void ksz9477_phylink_mac_link_up(struct ksz_device *dev, int port, + unsigned int mode, + phy_interface_t interface, + struct phy_device *phydev, int speed, + int duplex, bool tx_pause, + bool rx_pause) { - struct ksz_device *dev = ds->priv; struct ksz_port *p; p = &dev->ports[port]; @@ -2114,6 +2701,15 @@ static void ksz_phylink_mac_link_up(struct dsa_switch *ds, int port, ksz_port_set_xmii_speed(dev, port, speed); ksz_duplex_flowctrl(dev, port, duplex, tx_pause, rx_pause); +} + +static void ksz_phylink_mac_link_up(struct dsa_switch *ds, int port, + unsigned int mode, + phy_interface_t interface, + struct phy_device *phydev, int speed, + int duplex, bool tx_pause, bool rx_pause) +{ + struct ksz_device *dev = ds->priv; if (dev->dev_ops->phylink_mac_link_up) dev->dev_ops->phylink_mac_link_up(dev, port, mode, interface, @@ -2168,6 +2764,7 @@ static int ksz_switch_detect(struct ksz_device *dev) switch (id32) { case KSZ9477_CHIP_ID: + case KSZ9896_CHIP_ID: case KSZ9897_CHIP_ID: case KSZ9567_CHIP_ID: case LAN9370_CHIP_ID: @@ -2210,6 +2807,7 @@ static const struct dsa_switch_ops ksz_switch_ops = { .phylink_mac_link_up = ksz_phylink_mac_link_up, .phylink_mac_link_down = ksz_mac_link_down, .port_enable = ksz_enable_port, + .set_ageing_time = ksz_set_ageing_time, .get_strings = ksz_get_strings, .get_ethtool_stats = ksz_get_ethtool_stats, .get_sset_count = ksz_sset_count, diff --git a/drivers/net/dsa/microchip/ksz_common.h b/drivers/net/dsa/microchip/ksz_common.h index 35346b39ce54..9cfa179575ce 100644 --- a/drivers/net/dsa/microchip/ksz_common.h +++ b/drivers/net/dsa/microchip/ksz_common.h @@ -45,6 +45,7 @@ struct ksz_chip_data { int num_statics; int cpu_ports; int port_cnt; + u8 port_nirqs; const struct ksz_dev_ops *ops; bool phy_errata_9477; bool ksz87xx_eee_link_erratum; @@ -71,10 +72,13 @@ struct ksz_chip_data { struct ksz_irq { u16 masked; - struct irq_chip chip; + u16 reg_mask; + u16 reg_status; struct irq_domain *domain; int nirqs; + int irq_num; char name[16]; + struct ksz_device *dev; }; struct ksz_port { @@ -147,6 +151,7 @@ enum ksz_model { KSZ8765, KSZ8830, KSZ9477, + KSZ9896, KSZ9897, KSZ9893, KSZ9567, @@ -164,6 +169,7 @@ enum ksz_chip_id { KSZ8765_CHIP_ID = 0x8765, KSZ8830_CHIP_ID = 0x8830, KSZ9477_CHIP_ID = 0x00947700, + KSZ9896_CHIP_ID = 0x00989600, KSZ9897_CHIP_ID = 0x00989700, KSZ9893_CHIP_ID = 0x00989300, KSZ9567_CHIP_ID = 0x00956700, @@ -279,6 +285,7 @@ struct ksz_dev_ops { void (*flush_dyn_mac_table)(struct ksz_device *dev, int port); void (*port_cleanup)(struct ksz_device *dev, int port); void (*port_setup)(struct ksz_device *dev, int port, bool cpu_port); + int (*set_ageing_time)(struct ksz_device *dev, unsigned int msecs); int (*r_phy)(struct ksz_device *dev, u16 phy, u16 reg, u16 *val); int (*w_phy)(struct ksz_device *dev, u16 phy, u16 reg, u16 val); void (*r_mib_cnt)(struct ksz_device *dev, int port, u16 addr, @@ -569,6 +576,15 @@ static inline int is_lan937x(struct ksz_device *dev) #define P_MII_MAC_MODE BIT(2) #define P_MII_SEL_M 0x3 +/* Interrupt */ +#define REG_SW_PORT_INT_STATUS__1 0x001B +#define REG_SW_PORT_INT_MASK__1 0x001F + +#define REG_PORT_INT_STATUS 0x001B +#define REG_PORT_INT_MASK 0x001F + +#define PORT_SRC_PHY_INT 1 + /* Regmap tables generation */ #define KSZ_SPI_OP_RD 3 #define KSZ_SPI_OP_WR 2 diff --git a/drivers/net/dsa/microchip/ksz_spi.c b/drivers/net/dsa/microchip/ksz_spi.c index 126ed1c986a9..1b6ab891b986 100644 --- a/drivers/net/dsa/microchip/ksz_spi.c +++ b/drivers/net/dsa/microchip/ksz_spi.c @@ -107,8 +107,6 @@ static void ksz_spi_remove(struct spi_device *spi) if (dev) ksz_switch_remove(dev); - - spi_set_drvdata(spi, NULL); } static void ksz_spi_shutdown(struct spi_device *spi) @@ -152,6 +150,10 @@ static const struct of_device_id ksz_dt_ids[] = { .data = &ksz_switch_chips[KSZ9477] }, { + .compatible = "microchip,ksz9896", + .data = &ksz_switch_chips[KSZ9896] + }, + { .compatible = "microchip,ksz9897", .data = &ksz_switch_chips[KSZ9897] }, @@ -202,6 +204,7 @@ static const struct spi_device_id ksz_spi_ids[] = { { "ksz8863" }, { "ksz8873" }, { "ksz9477" }, + { "ksz9896" }, { "ksz9897" }, { "ksz9893" }, { "ksz9563" }, @@ -231,6 +234,7 @@ static struct spi_driver ksz_spi_driver = { module_spi_driver(ksz_spi_driver); MODULE_ALIAS("spi:ksz9477"); +MODULE_ALIAS("spi:ksz9896"); MODULE_ALIAS("spi:ksz9897"); MODULE_ALIAS("spi:ksz9893"); MODULE_ALIAS("spi:ksz9563"); diff --git a/drivers/net/dsa/microchip/lan937x.h b/drivers/net/dsa/microchip/lan937x.h index 1b7f077946f3..8e9e66d6728d 100644 --- a/drivers/net/dsa/microchip/lan937x.h +++ b/drivers/net/dsa/microchip/lan937x.h @@ -19,4 +19,5 @@ int lan937x_change_mtu(struct ksz_device *dev, int port, int new_mtu); void lan937x_phylink_get_caps(struct ksz_device *dev, int port, struct phylink_config *config); void lan937x_setup_rgmii_delay(struct ksz_device *dev, int port); +int lan937x_set_ageing_time(struct ksz_device *dev, unsigned int msecs); #endif diff --git a/drivers/net/dsa/microchip/lan937x_main.c b/drivers/net/dsa/microchip/lan937x_main.c index 4867aa62dd4c..7e4f307a0387 100644 --- a/drivers/net/dsa/microchip/lan937x_main.c +++ b/drivers/net/dsa/microchip/lan937x_main.c @@ -7,11 +7,8 @@ #include <linux/iopoll.h> #include <linux/phy.h> #include <linux/of_net.h> -#include <linux/of_mdio.h> #include <linux/if_bridge.h> #include <linux/if_vlan.h> -#include <linux/irq.h> -#include <linux/irqdomain.h> #include <linux/math.h> #include <net/dsa.h> #include <net/switchdev.h> @@ -20,8 +17,6 @@ #include "ksz_common.h" #include "lan937x.h" -#define LAN937x_PNIRQS 6 - static int lan937x_cfg(struct ksz_device *dev, u32 addr, u8 bits, bool set) { return regmap_update_bits(dev->regmap[0], addr, bits, set ? bits : 0); @@ -142,117 +137,6 @@ int lan937x_w_phy(struct ksz_device *dev, u16 addr, u16 reg, u16 val) return lan937x_internal_phy_write(dev, addr, reg, val); } -static int lan937x_sw_mdio_read(struct mii_bus *bus, int addr, int regnum) -{ - struct ksz_device *dev = bus->priv; - u16 val; - int ret; - - if (regnum & MII_ADDR_C45) - return -EOPNOTSUPP; - - ret = lan937x_internal_phy_read(dev, addr, regnum, &val); - if (ret < 0) - return ret; - - return val; -} - -static int lan937x_sw_mdio_write(struct mii_bus *bus, int addr, int regnum, - u16 val) -{ - struct ksz_device *dev = bus->priv; - - if (regnum & MII_ADDR_C45) - return -EOPNOTSUPP; - - return lan937x_internal_phy_write(dev, addr, regnum, val); -} - -static int lan937x_irq_phy_setup(struct ksz_device *dev) -{ - struct dsa_switch *ds = dev->ds; - int phy, err_phy; - int irq; - int ret; - - for (phy = 0; phy < KSZ_MAX_NUM_PORTS; phy++) { - if (BIT(phy) & ds->phys_mii_mask) { - irq = irq_find_mapping(dev->ports[phy].pirq.domain, - PORT_SRC_PHY_INT); - if (irq < 0) { - ret = irq; - goto out; - } - ds->slave_mii_bus->irq[phy] = irq; - } - } - return 0; -out: - err_phy = phy; - - for (phy = 0; phy < err_phy; phy++) - if (BIT(phy) & ds->phys_mii_mask) - irq_dispose_mapping(ds->slave_mii_bus->irq[phy]); - - return ret; -} - -static void lan937x_irq_phy_free(struct ksz_device *dev) -{ - struct dsa_switch *ds = dev->ds; - int phy; - - for (phy = 0; phy < KSZ_MAX_NUM_PORTS; phy++) - if (BIT(phy) & ds->phys_mii_mask) - irq_dispose_mapping(ds->slave_mii_bus->irq[phy]); -} - -static int lan937x_mdio_register(struct ksz_device *dev) -{ - struct dsa_switch *ds = dev->ds; - struct device_node *mdio_np; - struct mii_bus *bus; - int ret; - - mdio_np = of_get_child_by_name(dev->dev->of_node, "mdio"); - if (!mdio_np) { - dev_err(ds->dev, "no MDIO bus node\n"); - return -ENODEV; - } - - bus = devm_mdiobus_alloc(ds->dev); - if (!bus) { - of_node_put(mdio_np); - return -ENOMEM; - } - - bus->priv = dev; - bus->read = lan937x_sw_mdio_read; - bus->write = lan937x_sw_mdio_write; - bus->name = "lan937x slave smi"; - snprintf(bus->id, MII_BUS_ID_SIZE, "SMI-%d", ds->index); - bus->parent = ds->dev; - bus->phy_mask = ~ds->phys_mii_mask; - - ds->slave_mii_bus = bus; - - ret = lan937x_irq_phy_setup(dev); - if (ret) - return ret; - - ret = devm_of_mdiobus_register(ds->dev, bus, mdio_np); - if (ret) { - dev_err(ds->dev, "unable to register MDIO bus %s\n", - bus->id); - lan937x_irq_phy_free(dev); - } - - of_node_put(mdio_np); - - return ret; -} - int lan937x_reset_switch(struct ksz_device *dev) { u32 data32; @@ -296,10 +180,6 @@ void lan937x_port_setup(struct ksz_device *dev, int port, bool cpu_port) lan937x_port_cfg(dev, port, REG_PORT_CTRL_0, PORT_TAIL_TAG_ENABLE, true); - /* disable frame check length field */ - lan937x_port_cfg(dev, port, REG_PORT_MAC_CTRL_0, PORT_CHECK_LENGTH, - false); - /* set back pressure for half duplex */ lan937x_port_cfg(dev, port, REG_PORT_MAC_CTRL_1, PORT_BACK_PRESSURE, true); @@ -367,6 +247,23 @@ int lan937x_change_mtu(struct ksz_device *dev, int port, int new_mtu) return 0; } +int lan937x_set_ageing_time(struct ksz_device *dev, unsigned int msecs) +{ + u32 secs = msecs / 1000; + u32 value; + int ret; + + value = FIELD_GET(SW_AGE_PERIOD_7_0_M, secs); + + ret = ksz_write8(dev, REG_SW_AGE_PERIOD__1, value); + if (ret < 0) + return ret; + + value = FIELD_GET(SW_AGE_PERIOD_19_8_M, secs); + + return ksz_write16(dev, REG_SW_AGE_PERIOD__2, value); +} + static void lan937x_set_tune_adj(struct ksz_device *dev, int port, u16 reg, u8 val) { @@ -442,282 +339,9 @@ int lan937x_switch_init(struct ksz_device *dev) return 0; } -static void lan937x_girq_mask(struct irq_data *d) -{ - struct ksz_device *dev = irq_data_get_irq_chip_data(d); - unsigned int n = d->hwirq; - - dev->girq.masked |= (1 << n); -} - -static void lan937x_girq_unmask(struct irq_data *d) -{ - struct ksz_device *dev = irq_data_get_irq_chip_data(d); - unsigned int n = d->hwirq; - - dev->girq.masked &= ~(1 << n); -} - -static void lan937x_girq_bus_lock(struct irq_data *d) -{ - struct ksz_device *dev = irq_data_get_irq_chip_data(d); - - mutex_lock(&dev->lock_irq); -} - -static void lan937x_girq_bus_sync_unlock(struct irq_data *d) -{ - struct ksz_device *dev = irq_data_get_irq_chip_data(d); - int ret; - - ret = ksz_write32(dev, REG_SW_PORT_INT_MASK__4, dev->girq.masked); - if (ret) - dev_err(dev->dev, "failed to change IRQ mask\n"); - - mutex_unlock(&dev->lock_irq); -} - -static const struct irq_chip lan937x_girq_chip = { - .name = "lan937x-global", - .irq_mask = lan937x_girq_mask, - .irq_unmask = lan937x_girq_unmask, - .irq_bus_lock = lan937x_girq_bus_lock, - .irq_bus_sync_unlock = lan937x_girq_bus_sync_unlock, -}; - -static int lan937x_girq_domain_map(struct irq_domain *d, - unsigned int irq, irq_hw_number_t hwirq) -{ - struct ksz_device *dev = d->host_data; - - irq_set_chip_data(irq, d->host_data); - irq_set_chip_and_handler(irq, &dev->girq.chip, handle_level_irq); - irq_set_noprobe(irq); - - return 0; -} - -static const struct irq_domain_ops lan937x_girq_domain_ops = { - .map = lan937x_girq_domain_map, - .xlate = irq_domain_xlate_twocell, -}; - -static void lan937x_girq_free(struct ksz_device *dev) -{ - int irq, virq; - - free_irq(dev->irq, dev); - - for (irq = 0; irq < dev->girq.nirqs; irq++) { - virq = irq_find_mapping(dev->girq.domain, irq); - irq_dispose_mapping(virq); - } - - irq_domain_remove(dev->girq.domain); -} - -static irqreturn_t lan937x_girq_thread_fn(int irq, void *dev_id) -{ - struct ksz_device *dev = dev_id; - unsigned int nhandled = 0; - unsigned int sub_irq; - unsigned int n; - u32 data; - int ret; - - /* Read global interrupt status register */ - ret = ksz_read32(dev, REG_SW_PORT_INT_STATUS__4, &data); - if (ret) - goto out; - - for (n = 0; n < dev->girq.nirqs; ++n) { - if (data & (1 << n)) { - sub_irq = irq_find_mapping(dev->girq.domain, n); - handle_nested_irq(sub_irq); - ++nhandled; - } - } -out: - return (nhandled > 0 ? IRQ_HANDLED : IRQ_NONE); -} - -static int lan937x_girq_setup(struct ksz_device *dev) -{ - int ret, irq; - - dev->girq.nirqs = dev->info->port_cnt; - dev->girq.domain = irq_domain_add_simple(NULL, dev->girq.nirqs, 0, - &lan937x_girq_domain_ops, dev); - if (!dev->girq.domain) - return -ENOMEM; - - for (irq = 0; irq < dev->girq.nirqs; irq++) - irq_create_mapping(dev->girq.domain, irq); - - dev->girq.chip = lan937x_girq_chip; - dev->girq.masked = ~0; - - ret = request_threaded_irq(dev->irq, NULL, lan937x_girq_thread_fn, - IRQF_ONESHOT | IRQF_TRIGGER_FALLING, - dev_name(dev->dev), dev); - if (ret) - goto out; - - return 0; - -out: - lan937x_girq_free(dev); - - return ret; -} - -static void lan937x_pirq_mask(struct irq_data *d) -{ - struct ksz_port *port = irq_data_get_irq_chip_data(d); - unsigned int n = d->hwirq; - - port->pirq.masked |= (1 << n); -} - -static void lan937x_pirq_unmask(struct irq_data *d) -{ - struct ksz_port *port = irq_data_get_irq_chip_data(d); - unsigned int n = d->hwirq; - - port->pirq.masked &= ~(1 << n); -} - -static void lan937x_pirq_bus_lock(struct irq_data *d) -{ - struct ksz_port *port = irq_data_get_irq_chip_data(d); - struct ksz_device *dev = port->ksz_dev; - - mutex_lock(&dev->lock_irq); -} - -static void lan937x_pirq_bus_sync_unlock(struct irq_data *d) -{ - struct ksz_port *port = irq_data_get_irq_chip_data(d); - struct ksz_device *dev = port->ksz_dev; - - ksz_pwrite8(dev, port->num, REG_PORT_INT_MASK, port->pirq.masked); - mutex_unlock(&dev->lock_irq); -} - -static const struct irq_chip lan937x_pirq_chip = { - .name = "lan937x-port", - .irq_mask = lan937x_pirq_mask, - .irq_unmask = lan937x_pirq_unmask, - .irq_bus_lock = lan937x_pirq_bus_lock, - .irq_bus_sync_unlock = lan937x_pirq_bus_sync_unlock, -}; - -static int lan937x_pirq_domain_map(struct irq_domain *d, unsigned int irq, - irq_hw_number_t hwirq) -{ - struct ksz_port *port = d->host_data; - - irq_set_chip_data(irq, d->host_data); - irq_set_chip_and_handler(irq, &port->pirq.chip, handle_level_irq); - irq_set_noprobe(irq); - - return 0; -} - -static const struct irq_domain_ops lan937x_pirq_domain_ops = { - .map = lan937x_pirq_domain_map, - .xlate = irq_domain_xlate_twocell, -}; - -static void lan937x_pirq_free(struct ksz_device *dev, u8 p) -{ - struct ksz_port *port = &dev->ports[p]; - int irq, virq; - int irq_num; - - irq_num = irq_find_mapping(dev->girq.domain, p); - if (irq_num < 0) - return; - - free_irq(irq_num, port); - - for (irq = 0; irq < port->pirq.nirqs; irq++) { - virq = irq_find_mapping(port->pirq.domain, irq); - irq_dispose_mapping(virq); - } - - irq_domain_remove(port->pirq.domain); -} - -static irqreturn_t lan937x_pirq_thread_fn(int irq, void *dev_id) -{ - struct ksz_port *port = dev_id; - unsigned int nhandled = 0; - struct ksz_device *dev; - unsigned int sub_irq; - unsigned int n; - u8 data; - - dev = port->ksz_dev; - - /* Read port interrupt status register */ - ksz_pread8(dev, port->num, REG_PORT_INT_STATUS, &data); - - for (n = 0; n < port->pirq.nirqs; ++n) { - if (data & (1 << n)) { - sub_irq = irq_find_mapping(port->pirq.domain, n); - handle_nested_irq(sub_irq); - ++nhandled; - } - } - - return (nhandled > 0 ? IRQ_HANDLED : IRQ_NONE); -} - -static int lan937x_pirq_setup(struct ksz_device *dev, u8 p) -{ - struct ksz_port *port = &dev->ports[p]; - int ret, irq; - int irq_num; - - port->pirq.nirqs = LAN937x_PNIRQS; - port->pirq.domain = irq_domain_add_simple(dev->dev->of_node, - port->pirq.nirqs, 0, - &lan937x_pirq_domain_ops, - port); - if (!port->pirq.domain) - return -ENOMEM; - - for (irq = 0; irq < port->pirq.nirqs; irq++) - irq_create_mapping(port->pirq.domain, irq); - - port->pirq.chip = lan937x_pirq_chip; - port->pirq.masked = ~0; - - irq_num = irq_find_mapping(dev->girq.domain, p); - if (irq_num < 0) - return irq_num; - - snprintf(port->pirq.name, sizeof(port->pirq.name), "port_irq-%d", p); - - ret = request_threaded_irq(irq_num, NULL, lan937x_pirq_thread_fn, - IRQF_ONESHOT | IRQF_TRIGGER_FALLING, - port->pirq.name, port); - if (ret) - goto out; - - return 0; - -out: - lan937x_pirq_free(dev, p); - - return ret; -} - int lan937x_setup(struct dsa_switch *ds) { struct ksz_device *dev = ds->priv; - struct dsa_port *dp; int ret; /* enable Indirect Access from SPI to the VPHY registers */ @@ -727,24 +351,6 @@ int lan937x_setup(struct dsa_switch *ds) return ret; } - if (dev->irq > 0) { - ret = lan937x_girq_setup(dev); - if (ret) - return ret; - - dsa_switch_for_each_user_port(dp, dev->ds) { - ret = lan937x_pirq_setup(dev, dp->index); - if (ret) - goto out_girq; - } - } - - ret = lan937x_mdio_register(dev); - if (ret < 0) { - dev_err(dev->dev, "failed to register the mdio"); - goto out_pirq; - } - /* The VLAN aware is a global setting. Mixed vlan * filterings are not supported. */ @@ -768,29 +374,11 @@ int lan937x_setup(struct dsa_switch *ds) (SW_CLK125_ENB | SW_CLK25_ENB), true); return 0; - -out_pirq: - if (dev->irq > 0) - dsa_switch_for_each_user_port(dp, dev->ds) - lan937x_pirq_free(dev, dp->index); -out_girq: - if (dev->irq > 0) - lan937x_girq_free(dev); - - return ret; } void lan937x_teardown(struct dsa_switch *ds) { - struct ksz_device *dev = ds->priv; - struct dsa_port *dp; - if (dev->irq > 0) { - dsa_switch_for_each_user_port(dp, dev->ds) - lan937x_pirq_free(dev, dp->index); - - lan937x_girq_free(dev); - } } void lan937x_switch_exit(struct ksz_device *dev) diff --git a/drivers/net/dsa/microchip/lan937x_reg.h b/drivers/net/dsa/microchip/lan937x_reg.h index a3c669d86e51..5bc16a4c4441 100644 --- a/drivers/net/dsa/microchip/lan937x_reg.h +++ b/drivers/net/dsa/microchip/lan937x_reg.h @@ -62,6 +62,12 @@ #define SW_FAST_AGING BIT(1) #define SW_LINK_AUTO_AGING BIT(0) +#define REG_SW_AGE_PERIOD__1 0x0313 +#define SW_AGE_PERIOD_7_0_M GENMASK(7, 0) + +#define REG_SW_AGE_PERIOD__2 0x0320 +#define SW_AGE_PERIOD_19_8_M GENMASK(19, 8) + #define REG_SW_MAC_CTRL_0 0x0330 #define SW_NEW_BACKOFF BIT(7) #define SW_PAUSE_UNH_MODE BIT(1) |