diff options
Diffstat (limited to 'drivers/net/dsa/microchip')
-rw-r--r-- | drivers/net/dsa/microchip/Kconfig | 30 | ||||
-rw-r--r-- | drivers/net/dsa/microchip/Makefile | 9 | ||||
-rw-r--r-- | drivers/net/dsa/microchip/ksz8.h | 59 | ||||
-rw-r--r-- | drivers/net/dsa/microchip/ksz8795.c | 1420 | ||||
-rw-r--r-- | drivers/net/dsa/microchip/ksz8795_reg.h | 812 | ||||
-rw-r--r-- | drivers/net/dsa/microchip/ksz8863_smi.c | 213 | ||||
-rw-r--r-- | drivers/net/dsa/microchip/ksz9477.c | 1202 | ||||
-rw-r--r-- | drivers/net/dsa/microchip/ksz9477.h | 61 | ||||
-rw-r--r-- | drivers/net/dsa/microchip/ksz9477_i2c.c | 133 | ||||
-rw-r--r-- | drivers/net/dsa/microchip/ksz9477_reg.h | 1620 | ||||
-rw-r--r-- | drivers/net/dsa/microchip/ksz_common.c | 3044 | ||||
-rw-r--r-- | drivers/net/dsa/microchip/ksz_common.h | 632 | ||||
-rw-r--r-- | drivers/net/dsa/microchip/ksz_spi.c | 246 | ||||
-rw-r--r-- | drivers/net/dsa/microchip/lan937x.h | 23 | ||||
-rw-r--r-- | drivers/net/dsa/microchip/lan937x_main.c | 391 | ||||
-rw-r--r-- | drivers/net/dsa/microchip/lan937x_reg.h | 202 |
16 files changed, 10097 insertions, 0 deletions
diff --git a/drivers/net/dsa/microchip/Kconfig b/drivers/net/dsa/microchip/Kconfig new file mode 100644 index 000000000..06b1efdb5 --- /dev/null +++ b/drivers/net/dsa/microchip/Kconfig @@ -0,0 +1,30 @@ +# SPDX-License-Identifier: GPL-2.0-only +menuconfig NET_DSA_MICROCHIP_KSZ_COMMON + tristate "Microchip KSZ8795/KSZ9477/LAN937x series switch support" + depends on NET_DSA + select NET_DSA_TAG_KSZ + help + This driver adds support for Microchip KSZ9477 series switch and + KSZ8795/KSZ88x3 switch chips. + +config NET_DSA_MICROCHIP_KSZ9477_I2C + tristate "KSZ series I2C connected switch driver" + depends on NET_DSA_MICROCHIP_KSZ_COMMON && I2C + select REGMAP_I2C + help + Select to enable support for registering switches configured through I2C. + +config NET_DSA_MICROCHIP_KSZ_SPI + tristate "KSZ series SPI connected switch driver" + depends on NET_DSA_MICROCHIP_KSZ_COMMON && SPI + select REGMAP_SPI + help + Select to enable support for registering switches configured through SPI. + +config NET_DSA_MICROCHIP_KSZ8863_SMI + tristate "KSZ series SMI connected switch driver" + depends on NET_DSA_MICROCHIP_KSZ_COMMON + select MDIO_BITBANG + help + Select to enable support for registering switches configured through + Microchip SMI. It supports the KSZ8863 and KSZ8873 switch. diff --git a/drivers/net/dsa/microchip/Makefile b/drivers/net/dsa/microchip/Makefile new file mode 100644 index 000000000..28873559e --- /dev/null +++ b/drivers/net/dsa/microchip/Makefile @@ -0,0 +1,9 @@ +# SPDX-License-Identifier: GPL-2.0-only +obj-$(CONFIG_NET_DSA_MICROCHIP_KSZ_COMMON) += ksz_switch.o +ksz_switch-objs := ksz_common.o +ksz_switch-objs += ksz9477.o +ksz_switch-objs += ksz8795.o +ksz_switch-objs += lan937x_main.o +obj-$(CONFIG_NET_DSA_MICROCHIP_KSZ9477_I2C) += ksz9477_i2c.o +obj-$(CONFIG_NET_DSA_MICROCHIP_KSZ_SPI) += ksz_spi.o +obj-$(CONFIG_NET_DSA_MICROCHIP_KSZ8863_SMI) += ksz8863_smi.o diff --git a/drivers/net/dsa/microchip/ksz8.h b/drivers/net/dsa/microchip/ksz8.h new file mode 100644 index 000000000..28137c4bf --- /dev/null +++ b/drivers/net/dsa/microchip/ksz8.h @@ -0,0 +1,59 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Microchip KSZ8XXX series register access + * + * Copyright (C) 2020 Pengutronix, Michael Grzeschik <kernel@pengutronix.de> + */ + +#ifndef __KSZ8XXX_H +#define __KSZ8XXX_H + +#include <linux/types.h> +#include <net/dsa.h> +#include "ksz_common.h" + +int ksz8_setup(struct dsa_switch *ds); +u32 ksz8_get_port_addr(int port, int offset); +void ksz8_cfg_port_member(struct ksz_device *dev, int port, u8 member); +void ksz8_flush_dyn_mac_table(struct ksz_device *dev, int port); +void ksz8_port_setup(struct ksz_device *dev, int port, bool cpu_port); +int ksz8_r_phy(struct ksz_device *dev, u16 phy, u16 reg, u16 *val); +int ksz8_w_phy(struct ksz_device *dev, u16 phy, u16 reg, u16 val); +int ksz8_r_dyn_mac_table(struct ksz_device *dev, u16 addr, u8 *mac_addr, + u8 *fid, u8 *src_port, u8 *timestamp, u16 *entries); +void ksz8_w_sta_mac_table(struct ksz_device *dev, u16 addr, + struct alu_struct *alu); +void ksz8_r_mib_cnt(struct ksz_device *dev, int port, u16 addr, u64 *cnt); +void ksz8_r_mib_pkt(struct ksz_device *dev, int port, u16 addr, + u64 *dropped, u64 *cnt); +void ksz8_freeze_mib(struct ksz_device *dev, int port, bool freeze); +void ksz8_port_init_cnt(struct ksz_device *dev, int port); +int ksz8_fdb_dump(struct ksz_device *dev, int port, + dsa_fdb_dump_cb_t *cb, void *data); +int ksz8_mdb_add(struct ksz_device *dev, int port, + const struct switchdev_obj_port_mdb *mdb, struct dsa_db db); +int ksz8_mdb_del(struct ksz_device *dev, int port, + const struct switchdev_obj_port_mdb *mdb, struct dsa_db db); +int ksz8_port_vlan_filtering(struct ksz_device *dev, int port, bool flag, + struct netlink_ext_ack *extack); +int ksz8_port_vlan_add(struct ksz_device *dev, int port, + const struct switchdev_obj_port_vlan *vlan, + struct netlink_ext_ack *extack); +int ksz8_port_vlan_del(struct ksz_device *dev, int port, + const struct switchdev_obj_port_vlan *vlan); +int ksz8_port_mirror_add(struct ksz_device *dev, int port, + struct dsa_mall_mirror_tc_entry *mirror, + bool ingress, struct netlink_ext_ack *extack); +void ksz8_port_mirror_del(struct ksz_device *dev, int port, + struct dsa_mall_mirror_tc_entry *mirror); +int ksz8_get_stp_reg(void); +void ksz8_get_caps(struct ksz_device *dev, int port, + struct phylink_config *config); +void ksz8_config_cpu_port(struct dsa_switch *ds); +int ksz8_enable_stp_addr(struct ksz_device *dev); +int ksz8_reset_switch(struct ksz_device *dev); +int ksz8_switch_detect(struct ksz_device *dev); +int ksz8_switch_init(struct ksz_device *dev); +void ksz8_switch_exit(struct ksz_device *dev); + +#endif diff --git a/drivers/net/dsa/microchip/ksz8795.c b/drivers/net/dsa/microchip/ksz8795.c new file mode 100644 index 000000000..c63e082dc --- /dev/null +++ b/drivers/net/dsa/microchip/ksz8795.c @@ -0,0 +1,1420 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Microchip KSZ8795 switch driver + * + * Copyright (C) 2017 Microchip Technology Inc. + * Tristram Ha <Tristram.Ha@microchip.com> + */ + +#include <linux/bitfield.h> +#include <linux/delay.h> +#include <linux/export.h> +#include <linux/gpio.h> +#include <linux/if_vlan.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/platform_data/microchip-ksz.h> +#include <linux/phy.h> +#include <linux/etherdevice.h> +#include <linux/if_bridge.h> +#include <linux/micrel_phy.h> +#include <net/dsa.h> +#include <net/switchdev.h> +#include <linux/phylink.h> + +#include "ksz_common.h" +#include "ksz8795_reg.h" +#include "ksz8.h" + +static void ksz_cfg(struct ksz_device *dev, u32 addr, u8 bits, bool set) +{ + regmap_update_bits(dev->regmap[0], addr, bits, set ? bits : 0); +} + +static void ksz_port_cfg(struct ksz_device *dev, int port, int offset, u8 bits, + bool set) +{ + regmap_update_bits(dev->regmap[0], PORT_CTRL_ADDR(port, offset), + bits, set ? bits : 0); +} + +static int ksz8_ind_write8(struct ksz_device *dev, u8 table, u16 addr, u8 data) +{ + const u16 *regs; + u16 ctrl_addr; + int ret = 0; + + regs = dev->info->regs; + + mutex_lock(&dev->alu_mutex); + + ctrl_addr = IND_ACC_TABLE(table) | addr; + ret = ksz_write8(dev, regs[REG_IND_BYTE], data); + if (!ret) + ret = ksz_write16(dev, regs[REG_IND_CTRL_0], ctrl_addr); + + mutex_unlock(&dev->alu_mutex); + + return ret; +} + +int ksz8_reset_switch(struct ksz_device *dev) +{ + if (ksz_is_ksz88x3(dev)) { + /* reset switch */ + ksz_cfg(dev, KSZ8863_REG_SW_RESET, + KSZ8863_GLOBAL_SOFTWARE_RESET | KSZ8863_PCS_RESET, true); + ksz_cfg(dev, KSZ8863_REG_SW_RESET, + KSZ8863_GLOBAL_SOFTWARE_RESET | KSZ8863_PCS_RESET, false); + } else { + /* reset switch */ + ksz_write8(dev, REG_POWER_MANAGEMENT_1, + SW_SOFTWARE_POWER_DOWN << SW_POWER_MANAGEMENT_MODE_S); + ksz_write8(dev, REG_POWER_MANAGEMENT_1, 0); + } + + return 0; +} + +static void ksz8795_set_prio_queue(struct ksz_device *dev, int port, int queue) +{ + u8 hi, lo; + + /* Number of queues can only be 1, 2, or 4. */ + switch (queue) { + case 4: + case 3: + queue = PORT_QUEUE_SPLIT_4; + break; + case 2: + queue = PORT_QUEUE_SPLIT_2; + break; + default: + queue = PORT_QUEUE_SPLIT_1; + } + ksz_pread8(dev, port, REG_PORT_CTRL_0, &lo); + ksz_pread8(dev, port, P_DROP_TAG_CTRL, &hi); + lo &= ~PORT_QUEUE_SPLIT_L; + if (queue & PORT_QUEUE_SPLIT_2) + lo |= PORT_QUEUE_SPLIT_L; + hi &= ~PORT_QUEUE_SPLIT_H; + if (queue & PORT_QUEUE_SPLIT_4) + hi |= PORT_QUEUE_SPLIT_H; + ksz_pwrite8(dev, port, REG_PORT_CTRL_0, lo); + ksz_pwrite8(dev, port, P_DROP_TAG_CTRL, hi); + + /* Default is port based for egress rate limit. */ + if (queue != PORT_QUEUE_SPLIT_1) + ksz_cfg(dev, REG_SW_CTRL_19, SW_OUT_RATE_LIMIT_QUEUE_BASED, + true); +} + +void ksz8_r_mib_cnt(struct ksz_device *dev, int port, u16 addr, u64 *cnt) +{ + const u32 *masks; + const u16 *regs; + u16 ctrl_addr; + u32 data; + u8 check; + int loop; + + masks = dev->info->masks; + regs = dev->info->regs; + + ctrl_addr = addr + dev->info->reg_mib_cnt * port; + ctrl_addr |= IND_ACC_TABLE(TABLE_MIB | TABLE_READ); + + mutex_lock(&dev->alu_mutex); + ksz_write16(dev, regs[REG_IND_CTRL_0], ctrl_addr); + + /* It is almost guaranteed to always read the valid bit because of + * slow SPI speed. + */ + for (loop = 2; loop > 0; loop--) { + ksz_read8(dev, regs[REG_IND_MIB_CHECK], &check); + + if (check & masks[MIB_COUNTER_VALID]) { + ksz_read32(dev, regs[REG_IND_DATA_LO], &data); + if (check & masks[MIB_COUNTER_OVERFLOW]) + *cnt += MIB_COUNTER_VALUE + 1; + *cnt += data & MIB_COUNTER_VALUE; + break; + } + } + mutex_unlock(&dev->alu_mutex); +} + +static void ksz8795_r_mib_pkt(struct ksz_device *dev, int port, u16 addr, + u64 *dropped, u64 *cnt) +{ + const u32 *masks; + const u16 *regs; + u16 ctrl_addr; + u32 data; + u8 check; + int loop; + + masks = dev->info->masks; + regs = dev->info->regs; + + addr -= dev->info->reg_mib_cnt; + ctrl_addr = (KSZ8795_MIB_TOTAL_RX_1 - KSZ8795_MIB_TOTAL_RX_0) * port; + ctrl_addr += addr + KSZ8795_MIB_TOTAL_RX_0; + ctrl_addr |= IND_ACC_TABLE(TABLE_MIB | TABLE_READ); + + mutex_lock(&dev->alu_mutex); + ksz_write16(dev, regs[REG_IND_CTRL_0], ctrl_addr); + + /* It is almost guaranteed to always read the valid bit because of + * slow SPI speed. + */ + for (loop = 2; loop > 0; loop--) { + ksz_read8(dev, regs[REG_IND_MIB_CHECK], &check); + + if (check & masks[MIB_COUNTER_VALID]) { + ksz_read32(dev, regs[REG_IND_DATA_LO], &data); + if (addr < 2) { + u64 total; + + total = check & MIB_TOTAL_BYTES_H; + total <<= 32; + *cnt += total; + *cnt += data; + if (check & masks[MIB_COUNTER_OVERFLOW]) { + total = MIB_TOTAL_BYTES_H + 1; + total <<= 32; + *cnt += total; + } + } else { + if (check & masks[MIB_COUNTER_OVERFLOW]) + *cnt += MIB_PACKET_DROPPED + 1; + *cnt += data & MIB_PACKET_DROPPED; + } + break; + } + } + mutex_unlock(&dev->alu_mutex); +} + +static void ksz8863_r_mib_pkt(struct ksz_device *dev, int port, u16 addr, + u64 *dropped, u64 *cnt) +{ + u32 *last = (u32 *)dropped; + const u16 *regs; + u16 ctrl_addr; + u32 data; + u32 cur; + + regs = dev->info->regs; + + addr -= dev->info->reg_mib_cnt; + ctrl_addr = addr ? KSZ8863_MIB_PACKET_DROPPED_TX_0 : + KSZ8863_MIB_PACKET_DROPPED_RX_0; + ctrl_addr += port; + ctrl_addr |= IND_ACC_TABLE(TABLE_MIB | TABLE_READ); + + mutex_lock(&dev->alu_mutex); + ksz_write16(dev, regs[REG_IND_CTRL_0], ctrl_addr); + ksz_read32(dev, regs[REG_IND_DATA_LO], &data); + mutex_unlock(&dev->alu_mutex); + + data &= MIB_PACKET_DROPPED; + cur = last[addr]; + if (data != cur) { + last[addr] = data; + if (data < cur) + data += MIB_PACKET_DROPPED + 1; + data -= cur; + *cnt += data; + } +} + +void ksz8_r_mib_pkt(struct ksz_device *dev, int port, u16 addr, + u64 *dropped, u64 *cnt) +{ + if (ksz_is_ksz88x3(dev)) + ksz8863_r_mib_pkt(dev, port, addr, dropped, cnt); + else + ksz8795_r_mib_pkt(dev, port, addr, dropped, cnt); +} + +void ksz8_freeze_mib(struct ksz_device *dev, int port, bool freeze) +{ + if (ksz_is_ksz88x3(dev)) + return; + + /* enable the port for flush/freeze function */ + if (freeze) + ksz_cfg(dev, REG_SW_CTRL_6, BIT(port), true); + ksz_cfg(dev, REG_SW_CTRL_6, SW_MIB_COUNTER_FREEZE, freeze); + + /* disable the port after freeze is done */ + if (!freeze) + ksz_cfg(dev, REG_SW_CTRL_6, BIT(port), false); +} + +void ksz8_port_init_cnt(struct ksz_device *dev, int port) +{ + struct ksz_port_mib *mib = &dev->ports[port].mib; + u64 *dropped; + + if (!ksz_is_ksz88x3(dev)) { + /* flush all enabled port MIB counters */ + ksz_cfg(dev, REG_SW_CTRL_6, BIT(port), true); + ksz_cfg(dev, REG_SW_CTRL_6, SW_MIB_COUNTER_FLUSH, true); + ksz_cfg(dev, REG_SW_CTRL_6, BIT(port), false); + } + + mib->cnt_ptr = 0; + + /* Some ports may not have MIB counters before SWITCH_COUNTER_NUM. */ + while (mib->cnt_ptr < dev->info->reg_mib_cnt) { + dev->dev_ops->r_mib_cnt(dev, port, mib->cnt_ptr, + &mib->counters[mib->cnt_ptr]); + ++mib->cnt_ptr; + } + + /* last one in storage */ + dropped = &mib->counters[dev->info->mib_cnt]; + + /* Some ports may not have MIB counters after SWITCH_COUNTER_NUM. */ + while (mib->cnt_ptr < dev->info->mib_cnt) { + dev->dev_ops->r_mib_pkt(dev, port, mib->cnt_ptr, + dropped, &mib->counters[mib->cnt_ptr]); + ++mib->cnt_ptr; + } +} + +static void ksz8_r_table(struct ksz_device *dev, int table, u16 addr, u64 *data) +{ + const u16 *regs; + u16 ctrl_addr; + + regs = dev->info->regs; + + ctrl_addr = IND_ACC_TABLE(table | TABLE_READ) | addr; + + mutex_lock(&dev->alu_mutex); + ksz_write16(dev, regs[REG_IND_CTRL_0], ctrl_addr); + ksz_read64(dev, regs[REG_IND_DATA_HI], data); + mutex_unlock(&dev->alu_mutex); +} + +static void ksz8_w_table(struct ksz_device *dev, int table, u16 addr, u64 data) +{ + const u16 *regs; + u16 ctrl_addr; + + regs = dev->info->regs; + + ctrl_addr = IND_ACC_TABLE(table) | addr; + + mutex_lock(&dev->alu_mutex); + ksz_write64(dev, regs[REG_IND_DATA_HI], data); + ksz_write16(dev, regs[REG_IND_CTRL_0], ctrl_addr); + mutex_unlock(&dev->alu_mutex); +} + +static int ksz8_valid_dyn_entry(struct ksz_device *dev, u8 *data) +{ + int timeout = 100; + const u32 *masks; + const u16 *regs; + + masks = dev->info->masks; + regs = dev->info->regs; + + do { + ksz_read8(dev, regs[REG_IND_DATA_CHECK], data); + timeout--; + } while ((*data & masks[DYNAMIC_MAC_TABLE_NOT_READY]) && timeout); + + /* Entry is not ready for accessing. */ + if (*data & masks[DYNAMIC_MAC_TABLE_NOT_READY]) { + return -EAGAIN; + /* Entry is ready for accessing. */ + } else { + ksz_read8(dev, regs[REG_IND_DATA_8], data); + + /* There is no valid entry in the table. */ + if (*data & masks[DYNAMIC_MAC_TABLE_MAC_EMPTY]) + return -ENXIO; + } + return 0; +} + +int ksz8_r_dyn_mac_table(struct ksz_device *dev, u16 addr, u8 *mac_addr, + u8 *fid, u8 *src_port, u8 *timestamp, u16 *entries) +{ + u32 data_hi, data_lo; + const u8 *shifts; + const u32 *masks; + const u16 *regs; + u16 ctrl_addr; + u8 data; + int rc; + + shifts = dev->info->shifts; + masks = dev->info->masks; + regs = dev->info->regs; + + ctrl_addr = IND_ACC_TABLE(TABLE_DYNAMIC_MAC | TABLE_READ) | addr; + + mutex_lock(&dev->alu_mutex); + ksz_write16(dev, regs[REG_IND_CTRL_0], ctrl_addr); + + rc = ksz8_valid_dyn_entry(dev, &data); + if (rc == -EAGAIN) { + if (addr == 0) + *entries = 0; + } else if (rc == -ENXIO) { + *entries = 0; + /* At least one valid entry in the table. */ + } else { + u64 buf = 0; + int cnt; + + ksz_read64(dev, regs[REG_IND_DATA_HI], &buf); + data_hi = (u32)(buf >> 32); + data_lo = (u32)buf; + + /* Check out how many valid entry in the table. */ + cnt = data & masks[DYNAMIC_MAC_TABLE_ENTRIES_H]; + cnt <<= shifts[DYNAMIC_MAC_ENTRIES_H]; + cnt |= (data_hi & masks[DYNAMIC_MAC_TABLE_ENTRIES]) >> + shifts[DYNAMIC_MAC_ENTRIES]; + *entries = cnt + 1; + + *fid = (data_hi & masks[DYNAMIC_MAC_TABLE_FID]) >> + shifts[DYNAMIC_MAC_FID]; + *src_port = (data_hi & masks[DYNAMIC_MAC_TABLE_SRC_PORT]) >> + shifts[DYNAMIC_MAC_SRC_PORT]; + *timestamp = (data_hi & masks[DYNAMIC_MAC_TABLE_TIMESTAMP]) >> + shifts[DYNAMIC_MAC_TIMESTAMP]; + + mac_addr[5] = (u8)data_lo; + mac_addr[4] = (u8)(data_lo >> 8); + mac_addr[3] = (u8)(data_lo >> 16); + mac_addr[2] = (u8)(data_lo >> 24); + + mac_addr[1] = (u8)data_hi; + mac_addr[0] = (u8)(data_hi >> 8); + rc = 0; + } + mutex_unlock(&dev->alu_mutex); + + return rc; +} + +static int ksz8_r_sta_mac_table(struct ksz_device *dev, u16 addr, + struct alu_struct *alu, bool *valid) +{ + u32 data_hi, data_lo; + const u8 *shifts; + const u32 *masks; + u64 data; + + shifts = dev->info->shifts; + masks = dev->info->masks; + + ksz8_r_table(dev, TABLE_STATIC_MAC, addr, &data); + data_hi = data >> 32; + data_lo = (u32)data; + + if (!(data_hi & (masks[STATIC_MAC_TABLE_VALID] | + masks[STATIC_MAC_TABLE_OVERRIDE]))) { + *valid = false; + return 0; + } + + alu->mac[5] = (u8)data_lo; + alu->mac[4] = (u8)(data_lo >> 8); + alu->mac[3] = (u8)(data_lo >> 16); + alu->mac[2] = (u8)(data_lo >> 24); + alu->mac[1] = (u8)data_hi; + alu->mac[0] = (u8)(data_hi >> 8); + alu->port_forward = + (data_hi & masks[STATIC_MAC_TABLE_FWD_PORTS]) >> + shifts[STATIC_MAC_FWD_PORTS]; + alu->is_override = (data_hi & masks[STATIC_MAC_TABLE_OVERRIDE]) ? 1 : 0; + + /* KSZ8795 family switches have STATIC_MAC_TABLE_USE_FID and + * STATIC_MAC_TABLE_FID definitions off by 1 when doing read on the + * static MAC table compared to doing write. + */ + if (ksz_is_ksz87xx(dev)) + data_hi >>= 1; + alu->is_static = true; + alu->is_use_fid = (data_hi & masks[STATIC_MAC_TABLE_USE_FID]) ? 1 : 0; + alu->fid = (data_hi & masks[STATIC_MAC_TABLE_FID]) >> + shifts[STATIC_MAC_FID]; + + *valid = true; + + return 0; +} + +void ksz8_w_sta_mac_table(struct ksz_device *dev, u16 addr, + struct alu_struct *alu) +{ + u32 data_hi, data_lo; + const u8 *shifts; + const u32 *masks; + u64 data; + + shifts = dev->info->shifts; + masks = dev->info->masks; + + data_lo = ((u32)alu->mac[2] << 24) | + ((u32)alu->mac[3] << 16) | + ((u32)alu->mac[4] << 8) | alu->mac[5]; + data_hi = ((u32)alu->mac[0] << 8) | alu->mac[1]; + data_hi |= (u32)alu->port_forward << shifts[STATIC_MAC_FWD_PORTS]; + + if (alu->is_override) + data_hi |= masks[STATIC_MAC_TABLE_OVERRIDE]; + if (alu->is_use_fid) { + data_hi |= masks[STATIC_MAC_TABLE_USE_FID]; + data_hi |= (u32)alu->fid << shifts[STATIC_MAC_FID]; + } + if (alu->is_static) + data_hi |= masks[STATIC_MAC_TABLE_VALID]; + else + data_hi &= ~masks[STATIC_MAC_TABLE_OVERRIDE]; + + data = (u64)data_hi << 32 | data_lo; + ksz8_w_table(dev, TABLE_STATIC_MAC, addr, data); +} + +static void ksz8_from_vlan(struct ksz_device *dev, u32 vlan, u8 *fid, + u8 *member, u8 *valid) +{ + const u8 *shifts; + const u32 *masks; + + shifts = dev->info->shifts; + masks = dev->info->masks; + + *fid = vlan & masks[VLAN_TABLE_FID]; + *member = (vlan & masks[VLAN_TABLE_MEMBERSHIP]) >> + shifts[VLAN_TABLE_MEMBERSHIP_S]; + *valid = !!(vlan & masks[VLAN_TABLE_VALID]); +} + +static void ksz8_to_vlan(struct ksz_device *dev, u8 fid, u8 member, u8 valid, + u16 *vlan) +{ + const u8 *shifts; + const u32 *masks; + + shifts = dev->info->shifts; + masks = dev->info->masks; + + *vlan = fid; + *vlan |= (u16)member << shifts[VLAN_TABLE_MEMBERSHIP_S]; + if (valid) + *vlan |= masks[VLAN_TABLE_VALID]; +} + +static void ksz8_r_vlan_entries(struct ksz_device *dev, u16 addr) +{ + const u8 *shifts; + u64 data; + int i; + + shifts = dev->info->shifts; + + ksz8_r_table(dev, TABLE_VLAN, addr, &data); + addr *= 4; + for (i = 0; i < 4; i++) { + dev->vlan_cache[addr + i].table[0] = (u16)data; + data >>= shifts[VLAN_TABLE]; + } +} + +static void ksz8_r_vlan_table(struct ksz_device *dev, u16 vid, u16 *vlan) +{ + int index; + u16 *data; + u16 addr; + u64 buf; + + data = (u16 *)&buf; + addr = vid / 4; + index = vid & 3; + ksz8_r_table(dev, TABLE_VLAN, addr, &buf); + *vlan = data[index]; +} + +static void ksz8_w_vlan_table(struct ksz_device *dev, u16 vid, u16 vlan) +{ + int index; + u16 *data; + u16 addr; + u64 buf; + + data = (u16 *)&buf; + addr = vid / 4; + index = vid & 3; + ksz8_r_table(dev, TABLE_VLAN, addr, &buf); + data[index] = vlan; + dev->vlan_cache[vid].table[0] = vlan; + ksz8_w_table(dev, TABLE_VLAN, addr, buf); +} + +int ksz8_r_phy(struct ksz_device *dev, u16 phy, u16 reg, u16 *val) +{ + u8 restart, speed, ctrl, link; + int processed = true; + const u16 *regs; + u8 val1, val2; + u16 data = 0; + u8 p = phy; + int ret; + + regs = dev->info->regs; + + switch (reg) { + case MII_BMCR: + ret = ksz_pread8(dev, p, regs[P_NEG_RESTART_CTRL], &restart); + if (ret) + return ret; + + ret = ksz_pread8(dev, p, regs[P_SPEED_STATUS], &speed); + if (ret) + return ret; + + ret = ksz_pread8(dev, p, regs[P_FORCE_CTRL], &ctrl); + if (ret) + return ret; + + if (restart & PORT_PHY_LOOPBACK) + data |= BMCR_LOOPBACK; + if (ctrl & PORT_FORCE_100_MBIT) + data |= BMCR_SPEED100; + if (ksz_is_ksz88x3(dev)) { + if ((ctrl & PORT_AUTO_NEG_ENABLE)) + data |= BMCR_ANENABLE; + } else { + if (!(ctrl & PORT_AUTO_NEG_DISABLE)) + data |= BMCR_ANENABLE; + } + if (restart & PORT_POWER_DOWN) + data |= BMCR_PDOWN; + if (restart & PORT_AUTO_NEG_RESTART) + data |= BMCR_ANRESTART; + if (ctrl & PORT_FORCE_FULL_DUPLEX) + data |= BMCR_FULLDPLX; + if (speed & PORT_HP_MDIX) + data |= KSZ886X_BMCR_HP_MDIX; + if (restart & PORT_FORCE_MDIX) + data |= KSZ886X_BMCR_FORCE_MDI; + if (restart & PORT_AUTO_MDIX_DISABLE) + data |= KSZ886X_BMCR_DISABLE_AUTO_MDIX; + if (restart & PORT_TX_DISABLE) + data |= KSZ886X_BMCR_DISABLE_TRANSMIT; + if (restart & PORT_LED_OFF) + data |= KSZ886X_BMCR_DISABLE_LED; + break; + case MII_BMSR: + ret = ksz_pread8(dev, p, regs[P_LINK_STATUS], &link); + if (ret) + return ret; + + data = BMSR_100FULL | + BMSR_100HALF | + BMSR_10FULL | + BMSR_10HALF | + BMSR_ANEGCAPABLE; + if (link & PORT_AUTO_NEG_COMPLETE) + data |= BMSR_ANEGCOMPLETE; + if (link & PORT_STAT_LINK_GOOD) + data |= BMSR_LSTATUS; + break; + case MII_PHYSID1: + data = KSZ8795_ID_HI; + break; + case MII_PHYSID2: + if (ksz_is_ksz88x3(dev)) + data = KSZ8863_ID_LO; + else + data = KSZ8795_ID_LO; + break; + case MII_ADVERTISE: + ret = ksz_pread8(dev, p, regs[P_LOCAL_CTRL], &ctrl); + if (ret) + return ret; + + data = ADVERTISE_CSMA; + if (ctrl & PORT_AUTO_NEG_SYM_PAUSE) + data |= ADVERTISE_PAUSE_CAP; + if (ctrl & PORT_AUTO_NEG_100BTX_FD) + data |= ADVERTISE_100FULL; + if (ctrl & PORT_AUTO_NEG_100BTX) + data |= ADVERTISE_100HALF; + if (ctrl & PORT_AUTO_NEG_10BT_FD) + data |= ADVERTISE_10FULL; + if (ctrl & PORT_AUTO_NEG_10BT) + data |= ADVERTISE_10HALF; + break; + case MII_LPA: + ret = ksz_pread8(dev, p, regs[P_REMOTE_STATUS], &link); + if (ret) + return ret; + + data = LPA_SLCT; + if (link & PORT_REMOTE_SYM_PAUSE) + data |= LPA_PAUSE_CAP; + if (link & PORT_REMOTE_100BTX_FD) + data |= LPA_100FULL; + if (link & PORT_REMOTE_100BTX) + data |= LPA_100HALF; + if (link & PORT_REMOTE_10BT_FD) + data |= LPA_10FULL; + if (link & PORT_REMOTE_10BT) + data |= LPA_10HALF; + if (data & ~LPA_SLCT) + data |= LPA_LPACK; + break; + case PHY_REG_LINK_MD: + ret = ksz_pread8(dev, p, REG_PORT_LINK_MD_CTRL, &val1); + if (ret) + return ret; + + ret = ksz_pread8(dev, p, REG_PORT_LINK_MD_RESULT, &val2); + if (ret) + return ret; + + if (val1 & PORT_START_CABLE_DIAG) + data |= PHY_START_CABLE_DIAG; + + if (val1 & PORT_CABLE_10M_SHORT) + data |= PHY_CABLE_10M_SHORT; + + data |= FIELD_PREP(PHY_CABLE_DIAG_RESULT_M, + FIELD_GET(PORT_CABLE_DIAG_RESULT_M, val1)); + + data |= FIELD_PREP(PHY_CABLE_FAULT_COUNTER_M, + (FIELD_GET(PORT_CABLE_FAULT_COUNTER_H, val1) << 8) | + FIELD_GET(PORT_CABLE_FAULT_COUNTER_L, val2)); + break; + case PHY_REG_PHY_CTRL: + ret = ksz_pread8(dev, p, regs[P_LINK_STATUS], &link); + if (ret) + return ret; + + if (link & PORT_MDIX_STATUS) + data |= KSZ886X_CTRL_MDIX_STAT; + break; + default: + processed = false; + break; + } + if (processed) + *val = data; + + return 0; +} + +int ksz8_w_phy(struct ksz_device *dev, u16 phy, u16 reg, u16 val) +{ + u8 restart, speed, ctrl, data; + const u16 *regs; + u8 p = phy; + int ret; + + regs = dev->info->regs; + + switch (reg) { + case MII_BMCR: + + /* Do not support PHY reset function. */ + if (val & BMCR_RESET) + break; + ret = ksz_pread8(dev, p, regs[P_SPEED_STATUS], &speed); + if (ret) + return ret; + + data = speed; + if (val & KSZ886X_BMCR_HP_MDIX) + data |= PORT_HP_MDIX; + else + data &= ~PORT_HP_MDIX; + + if (data != speed) { + ret = ksz_pwrite8(dev, p, regs[P_SPEED_STATUS], data); + if (ret) + return ret; + } + + ret = ksz_pread8(dev, p, regs[P_FORCE_CTRL], &ctrl); + if (ret) + return ret; + + data = ctrl; + if (ksz_is_ksz88x3(dev)) { + if ((val & BMCR_ANENABLE)) + data |= PORT_AUTO_NEG_ENABLE; + else + data &= ~PORT_AUTO_NEG_ENABLE; + } else { + if (!(val & BMCR_ANENABLE)) + data |= PORT_AUTO_NEG_DISABLE; + else + data &= ~PORT_AUTO_NEG_DISABLE; + + /* Fiber port does not support auto-negotiation. */ + if (dev->ports[p].fiber) + data |= PORT_AUTO_NEG_DISABLE; + } + + if (val & BMCR_SPEED100) + data |= PORT_FORCE_100_MBIT; + else + data &= ~PORT_FORCE_100_MBIT; + if (val & BMCR_FULLDPLX) + data |= PORT_FORCE_FULL_DUPLEX; + else + data &= ~PORT_FORCE_FULL_DUPLEX; + + if (data != ctrl) { + ret = ksz_pwrite8(dev, p, regs[P_FORCE_CTRL], data); + if (ret) + return ret; + } + + ret = ksz_pread8(dev, p, regs[P_NEG_RESTART_CTRL], &restart); + if (ret) + return ret; + + data = restart; + if (val & KSZ886X_BMCR_DISABLE_LED) + data |= PORT_LED_OFF; + else + data &= ~PORT_LED_OFF; + if (val & KSZ886X_BMCR_DISABLE_TRANSMIT) + data |= PORT_TX_DISABLE; + else + data &= ~PORT_TX_DISABLE; + if (val & BMCR_ANRESTART) + data |= PORT_AUTO_NEG_RESTART; + else + data &= ~(PORT_AUTO_NEG_RESTART); + if (val & BMCR_PDOWN) + data |= PORT_POWER_DOWN; + else + data &= ~PORT_POWER_DOWN; + if (val & KSZ886X_BMCR_DISABLE_AUTO_MDIX) + data |= PORT_AUTO_MDIX_DISABLE; + else + data &= ~PORT_AUTO_MDIX_DISABLE; + if (val & KSZ886X_BMCR_FORCE_MDI) + data |= PORT_FORCE_MDIX; + else + data &= ~PORT_FORCE_MDIX; + if (val & BMCR_LOOPBACK) + data |= PORT_PHY_LOOPBACK; + else + data &= ~PORT_PHY_LOOPBACK; + + if (data != restart) { + ret = ksz_pwrite8(dev, p, regs[P_NEG_RESTART_CTRL], + data); + if (ret) + return ret; + } + break; + case MII_ADVERTISE: + ret = ksz_pread8(dev, p, regs[P_LOCAL_CTRL], &ctrl); + if (ret) + return ret; + + data = ctrl; + data &= ~(PORT_AUTO_NEG_SYM_PAUSE | + PORT_AUTO_NEG_100BTX_FD | + PORT_AUTO_NEG_100BTX | + PORT_AUTO_NEG_10BT_FD | + PORT_AUTO_NEG_10BT); + if (val & ADVERTISE_PAUSE_CAP) + data |= PORT_AUTO_NEG_SYM_PAUSE; + if (val & ADVERTISE_100FULL) + data |= PORT_AUTO_NEG_100BTX_FD; + if (val & ADVERTISE_100HALF) + data |= PORT_AUTO_NEG_100BTX; + if (val & ADVERTISE_10FULL) + data |= PORT_AUTO_NEG_10BT_FD; + if (val & ADVERTISE_10HALF) + data |= PORT_AUTO_NEG_10BT; + + if (data != ctrl) { + ret = ksz_pwrite8(dev, p, regs[P_LOCAL_CTRL], data); + if (ret) + return ret; + } + break; + case PHY_REG_LINK_MD: + if (val & PHY_START_CABLE_DIAG) + ksz_port_cfg(dev, p, REG_PORT_LINK_MD_CTRL, PORT_START_CABLE_DIAG, true); + break; + default: + break; + } + + return 0; +} + +void ksz8_cfg_port_member(struct ksz_device *dev, int port, u8 member) +{ + u8 data; + + ksz_pread8(dev, port, P_MIRROR_CTRL, &data); + data &= ~PORT_VLAN_MEMBERSHIP; + data |= (member & dev->port_mask); + ksz_pwrite8(dev, port, P_MIRROR_CTRL, data); +} + +void ksz8_flush_dyn_mac_table(struct ksz_device *dev, int port) +{ + u8 learn[DSA_MAX_PORTS]; + int first, index, cnt; + struct ksz_port *p; + const u16 *regs; + + regs = dev->info->regs; + + if ((uint)port < dev->info->port_cnt) { + first = port; + cnt = port + 1; + } else { + /* Flush all ports. */ + first = 0; + cnt = dev->info->port_cnt; + } + for (index = first; index < cnt; index++) { + p = &dev->ports[index]; + if (!p->on) + continue; + ksz_pread8(dev, index, regs[P_STP_CTRL], &learn[index]); + if (!(learn[index] & PORT_LEARN_DISABLE)) + ksz_pwrite8(dev, index, regs[P_STP_CTRL], + learn[index] | PORT_LEARN_DISABLE); + } + ksz_cfg(dev, S_FLUSH_TABLE_CTRL, SW_FLUSH_DYN_MAC_TABLE, true); + for (index = first; index < cnt; index++) { + p = &dev->ports[index]; + if (!p->on) + continue; + if (!(learn[index] & PORT_LEARN_DISABLE)) + ksz_pwrite8(dev, index, regs[P_STP_CTRL], learn[index]); + } +} + +int ksz8_fdb_dump(struct ksz_device *dev, int port, + dsa_fdb_dump_cb_t *cb, void *data) +{ + int ret = 0; + u16 i = 0; + u16 entries = 0; + u8 timestamp = 0; + u8 fid; + u8 src_port; + u8 mac[ETH_ALEN]; + + do { + ret = ksz8_r_dyn_mac_table(dev, i, mac, &fid, &src_port, + ×tamp, &entries); + if (!ret && port == src_port) { + ret = cb(mac, fid, false, data); + if (ret) + break; + } + i++; + } while (i < entries); + if (i >= entries) + ret = 0; + + return ret; +} + +static int ksz8_add_sta_mac(struct ksz_device *dev, int port, + const unsigned char *addr, u16 vid) +{ + struct alu_struct alu; + int index, ret; + int empty = 0; + + alu.port_forward = 0; + for (index = 0; index < dev->info->num_statics; index++) { + bool valid; + + ret = ksz8_r_sta_mac_table(dev, index, &alu, &valid); + if (ret) + return ret; + if (!valid) { + /* Remember the first empty entry. */ + if (!empty) + empty = index + 1; + continue; + } + + if (!memcmp(alu.mac, addr, ETH_ALEN) && alu.fid == vid) + break; + } + + /* no available entry */ + if (index == dev->info->num_statics && !empty) + return -ENOSPC; + + /* add entry */ + if (index == dev->info->num_statics) { + index = empty - 1; + memset(&alu, 0, sizeof(alu)); + memcpy(alu.mac, addr, ETH_ALEN); + alu.is_static = true; + } + alu.port_forward |= BIT(port); + if (vid) { + alu.is_use_fid = true; + + /* Need a way to map VID to FID. */ + alu.fid = vid; + } + ksz8_w_sta_mac_table(dev, index, &alu); + + return 0; +} + +static int ksz8_del_sta_mac(struct ksz_device *dev, int port, + const unsigned char *addr, u16 vid) +{ + struct alu_struct alu; + int index, ret; + + for (index = 0; index < dev->info->num_statics; index++) { + bool valid; + + ret = ksz8_r_sta_mac_table(dev, index, &alu, &valid); + if (ret) + return ret; + if (!valid) + continue; + + if (!memcmp(alu.mac, addr, ETH_ALEN) && alu.fid == vid) + break; + } + + /* no available entry */ + if (index == dev->info->num_statics) + goto exit; + + /* clear port */ + alu.port_forward &= ~BIT(port); + if (!alu.port_forward) + alu.is_static = false; + ksz8_w_sta_mac_table(dev, index, &alu); + +exit: + return 0; +} + +int ksz8_mdb_add(struct ksz_device *dev, int port, + const struct switchdev_obj_port_mdb *mdb, struct dsa_db db) +{ + return ksz8_add_sta_mac(dev, port, mdb->addr, mdb->vid); +} + +int ksz8_mdb_del(struct ksz_device *dev, int port, + const struct switchdev_obj_port_mdb *mdb, struct dsa_db db) +{ + return ksz8_del_sta_mac(dev, port, mdb->addr, mdb->vid); +} + +int ksz8_port_vlan_filtering(struct ksz_device *dev, int port, bool flag, + struct netlink_ext_ack *extack) +{ + if (ksz_is_ksz88x3(dev)) + return -ENOTSUPP; + + /* Discard packets with VID not enabled on the switch */ + ksz_cfg(dev, S_MIRROR_CTRL, SW_VLAN_ENABLE, flag); + + /* Discard packets with VID not enabled on the ingress port */ + for (port = 0; port < dev->phy_port_cnt; ++port) + ksz_port_cfg(dev, port, REG_PORT_CTRL_2, PORT_INGRESS_FILTER, + flag); + + return 0; +} + +static void ksz8_port_enable_pvid(struct ksz_device *dev, int port, bool state) +{ + if (ksz_is_ksz88x3(dev)) { + ksz_cfg(dev, REG_SW_INSERT_SRC_PVID, + 0x03 << (4 - 2 * port), state); + } else { + ksz_pwrite8(dev, port, REG_PORT_CTRL_12, state ? 0x0f : 0x00); + } +} + +int ksz8_port_vlan_add(struct ksz_device *dev, int port, + const struct switchdev_obj_port_vlan *vlan, + struct netlink_ext_ack *extack) +{ + bool untagged = vlan->flags & BRIDGE_VLAN_INFO_UNTAGGED; + struct ksz_port *p = &dev->ports[port]; + u16 data, new_pvid = 0; + u8 fid, member, valid; + + if (ksz_is_ksz88x3(dev)) + return -ENOTSUPP; + + /* If a VLAN is added with untagged flag different from the + * port's Remove Tag flag, we need to change the latter. + * Ignore VID 0, which is always untagged. + * Ignore CPU port, which will always be tagged. + */ + if (untagged != p->remove_tag && vlan->vid != 0 && + port != dev->cpu_port) { + unsigned int vid; + + /* Reject attempts to add a VLAN that requires the + * Remove Tag flag to be changed, unless there are no + * other VLANs currently configured. + */ + for (vid = 1; vid < dev->info->num_vlans; ++vid) { + /* Skip the VID we are going to add or reconfigure */ + if (vid == vlan->vid) + continue; + + ksz8_from_vlan(dev, dev->vlan_cache[vid].table[0], + &fid, &member, &valid); + if (valid && (member & BIT(port))) + return -EINVAL; + } + + ksz_port_cfg(dev, port, P_TAG_CTRL, PORT_REMOVE_TAG, untagged); + p->remove_tag = untagged; + } + + ksz8_r_vlan_table(dev, vlan->vid, &data); + ksz8_from_vlan(dev, data, &fid, &member, &valid); + + /* First time to setup the VLAN entry. */ + if (!valid) { + /* Need to find a way to map VID to FID. */ + fid = 1; + valid = 1; + } + member |= BIT(port); + + ksz8_to_vlan(dev, fid, member, valid, &data); + ksz8_w_vlan_table(dev, vlan->vid, data); + + /* change PVID */ + if (vlan->flags & BRIDGE_VLAN_INFO_PVID) + new_pvid = vlan->vid; + + if (new_pvid) { + u16 vid; + + ksz_pread16(dev, port, REG_PORT_CTRL_VID, &vid); + vid &= ~VLAN_VID_MASK; + vid |= new_pvid; + ksz_pwrite16(dev, port, REG_PORT_CTRL_VID, vid); + + ksz8_port_enable_pvid(dev, port, true); + } + + return 0; +} + +int ksz8_port_vlan_del(struct ksz_device *dev, int port, + const struct switchdev_obj_port_vlan *vlan) +{ + u16 data, pvid; + u8 fid, member, valid; + + if (ksz_is_ksz88x3(dev)) + return -ENOTSUPP; + + ksz_pread16(dev, port, REG_PORT_CTRL_VID, &pvid); + pvid = pvid & 0xFFF; + + ksz8_r_vlan_table(dev, vlan->vid, &data); + ksz8_from_vlan(dev, data, &fid, &member, &valid); + + member &= ~BIT(port); + + /* Invalidate the entry if no more member. */ + if (!member) { + fid = 0; + valid = 0; + } + + ksz8_to_vlan(dev, fid, member, valid, &data); + ksz8_w_vlan_table(dev, vlan->vid, data); + + if (pvid == vlan->vid) + ksz8_port_enable_pvid(dev, port, false); + + return 0; +} + +int ksz8_port_mirror_add(struct ksz_device *dev, int port, + struct dsa_mall_mirror_tc_entry *mirror, + bool ingress, struct netlink_ext_ack *extack) +{ + if (ingress) { + ksz_port_cfg(dev, port, P_MIRROR_CTRL, PORT_MIRROR_RX, true); + dev->mirror_rx |= BIT(port); + } else { + ksz_port_cfg(dev, port, P_MIRROR_CTRL, PORT_MIRROR_TX, true); + dev->mirror_tx |= BIT(port); + } + + ksz_port_cfg(dev, port, P_MIRROR_CTRL, PORT_MIRROR_SNIFFER, false); + + /* configure mirror port */ + if (dev->mirror_rx || dev->mirror_tx) + ksz_port_cfg(dev, mirror->to_local_port, P_MIRROR_CTRL, + PORT_MIRROR_SNIFFER, true); + + return 0; +} + +void ksz8_port_mirror_del(struct ksz_device *dev, int port, + struct dsa_mall_mirror_tc_entry *mirror) +{ + u8 data; + + if (mirror->ingress) { + ksz_port_cfg(dev, port, P_MIRROR_CTRL, PORT_MIRROR_RX, false); + dev->mirror_rx &= ~BIT(port); + } else { + ksz_port_cfg(dev, port, P_MIRROR_CTRL, PORT_MIRROR_TX, false); + dev->mirror_tx &= ~BIT(port); + } + + ksz_pread8(dev, port, P_MIRROR_CTRL, &data); + + if (!dev->mirror_rx && !dev->mirror_tx) + ksz_port_cfg(dev, mirror->to_local_port, P_MIRROR_CTRL, + PORT_MIRROR_SNIFFER, false); +} + +static void ksz8795_cpu_interface_select(struct ksz_device *dev, int port) +{ + struct ksz_port *p = &dev->ports[port]; + + if (!p->interface && dev->compat_interface) { + dev_warn(dev->dev, + "Using legacy switch \"phy-mode\" property, because it is missing on port %d node. " + "Please update your device tree.\n", + port); + p->interface = dev->compat_interface; + } +} + +void ksz8_port_setup(struct ksz_device *dev, int port, bool cpu_port) +{ + struct dsa_switch *ds = dev->ds; + const u32 *masks; + u8 member; + + masks = dev->info->masks; + + /* enable broadcast storm limit */ + ksz_port_cfg(dev, port, P_BCAST_STORM_CTRL, PORT_BROADCAST_STORM, true); + + if (!ksz_is_ksz88x3(dev)) + ksz8795_set_prio_queue(dev, port, 4); + + /* disable DiffServ priority */ + ksz_port_cfg(dev, port, P_PRIO_CTRL, PORT_DIFFSERV_ENABLE, false); + + /* replace priority */ + ksz_port_cfg(dev, port, P_802_1P_CTRL, + masks[PORT_802_1P_REMAPPING], false); + + /* enable 802.1p priority */ + ksz_port_cfg(dev, port, P_PRIO_CTRL, PORT_802_1P_ENABLE, true); + + if (cpu_port) { + if (!ksz_is_ksz88x3(dev)) + ksz8795_cpu_interface_select(dev, port); + + member = dsa_user_ports(ds); + } else { + member = BIT(dsa_upstream_port(ds, port)); + } + + ksz8_cfg_port_member(dev, port, member); +} + +void ksz8_config_cpu_port(struct dsa_switch *ds) +{ + struct ksz_device *dev = ds->priv; + struct ksz_port *p; + const u32 *masks; + const u16 *regs; + u8 remote; + int i; + + masks = dev->info->masks; + regs = dev->info->regs; + + /* Switch marks the maximum frame with extra byte as oversize. */ + ksz_cfg(dev, REG_SW_CTRL_2, SW_LEGAL_PACKET_DISABLE, true); + ksz_cfg(dev, regs[S_TAIL_TAG_CTRL], masks[SW_TAIL_TAG_ENABLE], true); + + p = &dev->ports[dev->cpu_port]; + p->on = 1; + + ksz8_port_setup(dev, dev->cpu_port, true); + + for (i = 0; i < dev->phy_port_cnt; i++) { + p = &dev->ports[i]; + + ksz_port_stp_state_set(ds, i, BR_STATE_DISABLED); + + /* Last port may be disabled. */ + if (i == dev->phy_port_cnt) + break; + p->on = 1; + } + for (i = 0; i < dev->phy_port_cnt; i++) { + p = &dev->ports[i]; + if (!p->on) + continue; + if (!ksz_is_ksz88x3(dev)) { + ksz_pread8(dev, i, regs[P_REMOTE_STATUS], &remote); + if (remote & KSZ8_PORT_FIBER_MODE) + p->fiber = 1; + } + if (p->fiber) + ksz_port_cfg(dev, i, regs[P_STP_CTRL], + PORT_FORCE_FLOW_CTRL, true); + else + ksz_port_cfg(dev, i, regs[P_STP_CTRL], + PORT_FORCE_FLOW_CTRL, false); + } +} + +static int ksz8_handle_global_errata(struct dsa_switch *ds) +{ + struct ksz_device *dev = ds->priv; + int ret = 0; + + /* KSZ87xx Errata DS80000687C. + * Module 2: Link drops with some EEE link partners. + * An issue with the EEE next page exchange between the + * KSZ879x/KSZ877x/KSZ876x and some EEE link partners may result in + * the link dropping. + */ + if (dev->info->ksz87xx_eee_link_erratum) + ret = ksz8_ind_write8(dev, TABLE_EEE, REG_IND_EEE_GLOB2_HI, 0); + + return ret; +} + +int ksz8_enable_stp_addr(struct ksz_device *dev) +{ + struct alu_struct alu; + + /* Setup STP address for STP operation. */ + memset(&alu, 0, sizeof(alu)); + ether_addr_copy(alu.mac, eth_stp_addr); + alu.is_static = true; + alu.is_override = true; + alu.port_forward = dev->info->cpu_ports; + + ksz8_w_sta_mac_table(dev, 0, &alu); + + return 0; +} + +int ksz8_setup(struct dsa_switch *ds) +{ + struct ksz_device *dev = ds->priv; + int i; + + ksz_cfg(dev, S_REPLACE_VID_CTRL, SW_FLOW_CTRL, true); + + /* Enable automatic fast aging when link changed detected. */ + ksz_cfg(dev, S_LINK_AGING_CTRL, SW_LINK_AUTO_AGING, true); + + /* Enable aggressive back off algorithm in half duplex mode. */ + regmap_update_bits(dev->regmap[0], REG_SW_CTRL_1, + SW_AGGR_BACKOFF, SW_AGGR_BACKOFF); + + /* + * Make sure unicast VLAN boundary is set as default and + * enable no excessive collision drop. + */ + regmap_update_bits(dev->regmap[0], REG_SW_CTRL_2, + UNICAST_VLAN_BOUNDARY | NO_EXC_COLLISION_DROP, + UNICAST_VLAN_BOUNDARY | NO_EXC_COLLISION_DROP); + + ksz_cfg(dev, S_REPLACE_VID_CTRL, SW_REPLACE_VID, false); + + ksz_cfg(dev, S_MIRROR_CTRL, SW_MIRROR_RX_TX, false); + + if (!ksz_is_ksz88x3(dev)) + ksz_cfg(dev, REG_SW_CTRL_19, SW_INS_TAG_ENABLE, true); + + for (i = 0; i < (dev->info->num_vlans / 4); i++) + ksz8_r_vlan_entries(dev, i); + + return ksz8_handle_global_errata(ds); +} + +void ksz8_get_caps(struct ksz_device *dev, int port, + struct phylink_config *config) +{ + config->mac_capabilities = MAC_10 | MAC_100; + + /* Silicon Errata Sheet (DS80000830A): + * "Port 1 does not respond to received flow control PAUSE frames" + * So, disable Pause support on "Port 1" (port == 0) for all ksz88x3 + * switches. + */ + if (!ksz_is_ksz88x3(dev) || port) + config->mac_capabilities |= MAC_SYM_PAUSE; + + /* Asym pause is not supported on KSZ8863 and KSZ8873 */ + if (!ksz_is_ksz88x3(dev)) + config->mac_capabilities |= MAC_ASYM_PAUSE; +} + +u32 ksz8_get_port_addr(int port, int offset) +{ + return PORT_CTRL_ADDR(port, offset); +} + +int ksz8_switch_init(struct ksz_device *dev) +{ + dev->cpu_port = fls(dev->info->cpu_ports) - 1; + dev->phy_port_cnt = dev->info->port_cnt - 1; + dev->port_mask = (BIT(dev->phy_port_cnt) - 1) | dev->info->cpu_ports; + + /* We rely on software untagging on the CPU port, so that we + * can support both tagged and untagged VLANs + */ + dev->ds->untag_bridge_pvid = true; + + /* VLAN filtering is partly controlled by the global VLAN + * Enable flag + */ + dev->ds->vlan_filtering_is_global = true; + + return 0; +} + +void ksz8_switch_exit(struct ksz_device *dev) +{ + ksz8_reset_switch(dev); +} + +MODULE_AUTHOR("Tristram Ha <Tristram.Ha@microchip.com>"); +MODULE_DESCRIPTION("Microchip KSZ8795 Series Switch DSA Driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/net/dsa/microchip/ksz8795_reg.h b/drivers/net/dsa/microchip/ksz8795_reg.h new file mode 100644 index 000000000..77487d611 --- /dev/null +++ b/drivers/net/dsa/microchip/ksz8795_reg.h @@ -0,0 +1,812 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Microchip KSZ8795 register definitions + * + * Copyright (c) 2017 Microchip Technology Inc. + * Tristram Ha <Tristram.Ha@microchip.com> + */ + +#ifndef __KSZ8795_REG_H +#define __KSZ8795_REG_H + +#define KS_PORT_M 0x1F + +#define KS_PRIO_M 0x3 +#define KS_PRIO_S 2 + +#define SW_REVISION_M 0x0E +#define SW_REVISION_S 1 + +#define KSZ8863_REG_SW_RESET 0x43 + +#define KSZ8863_GLOBAL_SOFTWARE_RESET BIT(4) +#define KSZ8863_PCS_RESET BIT(0) + +#define REG_SW_CTRL_0 0x02 + +#define SW_NEW_BACKOFF BIT(7) +#define SW_GLOBAL_RESET BIT(6) +#define SW_FLUSH_DYN_MAC_TABLE BIT(5) +#define SW_FLUSH_STA_MAC_TABLE BIT(4) +#define SW_LINK_AUTO_AGING BIT(0) + +#define REG_SW_CTRL_1 0x03 + +#define SW_HUGE_PACKET BIT(6) +#define SW_TX_FLOW_CTRL_DISABLE BIT(5) +#define SW_RX_FLOW_CTRL_DISABLE BIT(4) +#define SW_CHECK_LENGTH BIT(3) +#define SW_AGING_ENABLE BIT(2) +#define SW_FAST_AGING BIT(1) +#define SW_AGGR_BACKOFF BIT(0) + +#define REG_SW_CTRL_2 0x04 + +#define UNICAST_VLAN_BOUNDARY BIT(7) +#define SW_BACK_PRESSURE BIT(5) +#define FAIR_FLOW_CTRL BIT(4) +#define NO_EXC_COLLISION_DROP BIT(3) +#define SW_LEGAL_PACKET_DISABLE BIT(1) + +#define REG_SW_CTRL_3 0x05 + #define WEIGHTED_FAIR_QUEUE_ENABLE BIT(3) + +#define SW_VLAN_ENABLE BIT(7) +#define SW_IGMP_SNOOP BIT(6) +#define SW_MIRROR_RX_TX BIT(0) + +#define REG_SW_CTRL_4 0x06 + +#define SW_HALF_DUPLEX_FLOW_CTRL BIT(7) +#define SW_HALF_DUPLEX BIT(6) +#define SW_FLOW_CTRL BIT(5) +#define SW_10_MBIT BIT(4) +#define SW_REPLACE_VID BIT(3) + +#define REG_SW_CTRL_5 0x07 + +#define REG_SW_CTRL_6 0x08 + +#define SW_MIB_COUNTER_FLUSH BIT(7) +#define SW_MIB_COUNTER_FREEZE BIT(6) +#define SW_MIB_COUNTER_CTRL_ENABLE KS_PORT_M + +#define REG_SW_CTRL_9 0x0B + +#define SPI_CLK_125_MHZ 0x80 +#define SPI_CLK_62_5_MHZ 0x40 +#define SPI_CLK_31_25_MHZ 0x00 + +#define SW_LED_MODE_M 0x3 +#define SW_LED_MODE_S 4 +#define SW_LED_LINK_ACT_SPEED 0 +#define SW_LED_LINK_ACT 1 +#define SW_LED_LINK_ACT_DUPLEX 2 +#define SW_LED_LINK_DUPLEX 3 + +#define REG_SW_CTRL_10 0x0C + +#define SW_PASS_PAUSE BIT(0) + +#define REG_SW_CTRL_11 0x0D + +#define REG_POWER_MANAGEMENT_1 0x0E + +#define SW_PLL_POWER_DOWN BIT(5) +#define SW_POWER_MANAGEMENT_MODE_M 0x3 +#define SW_POWER_MANAGEMENT_MODE_S 3 +#define SW_POWER_NORMAL 0 +#define SW_ENERGY_DETECTION 1 +#define SW_SOFTWARE_POWER_DOWN 2 + +#define REG_POWER_MANAGEMENT_2 0x0F + +#define REG_PORT_1_CTRL_0 0x10 +#define REG_PORT_2_CTRL_0 0x20 +#define REG_PORT_3_CTRL_0 0x30 +#define REG_PORT_4_CTRL_0 0x40 +#define REG_PORT_5_CTRL_0 0x50 + +#define PORT_BROADCAST_STORM BIT(7) +#define PORT_DIFFSERV_ENABLE BIT(6) +#define PORT_802_1P_ENABLE BIT(5) +#define PORT_BASED_PRIO_S 3 +#define PORT_BASED_PRIO_M KS_PRIO_M +#define PORT_BASED_PRIO_0 0 +#define PORT_BASED_PRIO_1 1 +#define PORT_BASED_PRIO_2 2 +#define PORT_BASED_PRIO_3 3 +#define PORT_INSERT_TAG BIT(2) +#define PORT_REMOVE_TAG BIT(1) +#define PORT_QUEUE_SPLIT_L BIT(0) + +#define REG_PORT_1_CTRL_1 0x11 +#define REG_PORT_2_CTRL_1 0x21 +#define REG_PORT_3_CTRL_1 0x31 +#define REG_PORT_4_CTRL_1 0x41 +#define REG_PORT_5_CTRL_1 0x51 + +#define PORT_MIRROR_SNIFFER BIT(7) +#define PORT_MIRROR_RX BIT(6) +#define PORT_MIRROR_TX BIT(5) +#define PORT_VLAN_MEMBERSHIP KS_PORT_M + +#define REG_PORT_1_CTRL_2 0x12 +#define REG_PORT_2_CTRL_2 0x22 +#define REG_PORT_3_CTRL_2 0x32 +#define REG_PORT_4_CTRL_2 0x42 +#define REG_PORT_5_CTRL_2 0x52 + +#define PORT_INGRESS_FILTER BIT(6) +#define PORT_DISCARD_NON_VID BIT(5) +#define PORT_FORCE_FLOW_CTRL BIT(4) +#define PORT_BACK_PRESSURE BIT(3) + +#define REG_PORT_1_CTRL_3 0x13 +#define REG_PORT_2_CTRL_3 0x23 +#define REG_PORT_3_CTRL_3 0x33 +#define REG_PORT_4_CTRL_3 0x43 +#define REG_PORT_5_CTRL_3 0x53 +#define REG_PORT_1_CTRL_4 0x14 +#define REG_PORT_2_CTRL_4 0x24 +#define REG_PORT_3_CTRL_4 0x34 +#define REG_PORT_4_CTRL_4 0x44 +#define REG_PORT_5_CTRL_4 0x54 + +#define PORT_DEFAULT_VID 0x0001 + +#define REG_PORT_1_CTRL_5 0x15 +#define REG_PORT_2_CTRL_5 0x25 +#define REG_PORT_3_CTRL_5 0x35 +#define REG_PORT_4_CTRL_5 0x45 +#define REG_PORT_5_CTRL_5 0x55 + +#define PORT_ACL_ENABLE BIT(2) +#define PORT_AUTHEN_MODE 0x3 +#define PORT_AUTHEN_PASS 0 +#define PORT_AUTHEN_BLOCK 1 +#define PORT_AUTHEN_TRAP 2 + +#define REG_PORT_5_CTRL_6 0x56 + +#define PORT_MII_INTERNAL_CLOCK BIT(7) +#define PORT_GMII_MAC_MODE BIT(2) + +#define REG_PORT_1_CTRL_7 0x17 +#define REG_PORT_2_CTRL_7 0x27 +#define REG_PORT_3_CTRL_7 0x37 +#define REG_PORT_4_CTRL_7 0x47 + +#define PORT_AUTO_NEG_ASYM_PAUSE BIT(5) +#define PORT_AUTO_NEG_SYM_PAUSE BIT(4) +#define PORT_AUTO_NEG_100BTX_FD BIT(3) +#define PORT_AUTO_NEG_100BTX BIT(2) +#define PORT_AUTO_NEG_10BT_FD BIT(1) +#define PORT_AUTO_NEG_10BT BIT(0) + +#define REG_PORT_1_STATUS_0 0x18 +#define REG_PORT_2_STATUS_0 0x28 +#define REG_PORT_3_STATUS_0 0x38 +#define REG_PORT_4_STATUS_0 0x48 + +/* For KSZ8765. */ +#define PORT_REMOTE_ASYM_PAUSE BIT(5) +#define PORT_REMOTE_SYM_PAUSE BIT(4) +#define PORT_REMOTE_100BTX_FD BIT(3) +#define PORT_REMOTE_100BTX BIT(2) +#define PORT_REMOTE_10BT_FD BIT(1) +#define PORT_REMOTE_10BT BIT(0) + +#define REG_PORT_1_STATUS_1 0x19 +#define REG_PORT_2_STATUS_1 0x29 +#define REG_PORT_3_STATUS_1 0x39 +#define REG_PORT_4_STATUS_1 0x49 + +#define PORT_HP_MDIX BIT(7) +#define PORT_REVERSED_POLARITY BIT(5) +#define PORT_TX_FLOW_CTRL BIT(4) +#define PORT_RX_FLOW_CTRL BIT(3) +#define PORT_STAT_SPEED_100MBIT BIT(2) +#define PORT_STAT_FULL_DUPLEX BIT(1) + +#define PORT_REMOTE_FAULT BIT(0) + +#define REG_PORT_1_LINK_MD_CTRL 0x1A +#define REG_PORT_2_LINK_MD_CTRL 0x2A +#define REG_PORT_3_LINK_MD_CTRL 0x3A +#define REG_PORT_4_LINK_MD_CTRL 0x4A + +#define PORT_CABLE_10M_SHORT BIT(7) +#define PORT_CABLE_DIAG_RESULT_M GENMASK(6, 5) +#define PORT_CABLE_DIAG_RESULT_S 5 +#define PORT_CABLE_STAT_NORMAL 0 +#define PORT_CABLE_STAT_OPEN 1 +#define PORT_CABLE_STAT_SHORT 2 +#define PORT_CABLE_STAT_FAILED 3 +#define PORT_START_CABLE_DIAG BIT(4) +#define PORT_FORCE_LINK BIT(3) +#define PORT_POWER_SAVING BIT(2) +#define PORT_PHY_REMOTE_LOOPBACK BIT(1) +#define PORT_CABLE_FAULT_COUNTER_H 0x01 + +#define REG_PORT_1_LINK_MD_RESULT 0x1B +#define REG_PORT_2_LINK_MD_RESULT 0x2B +#define REG_PORT_3_LINK_MD_RESULT 0x3B +#define REG_PORT_4_LINK_MD_RESULT 0x4B + +#define PORT_CABLE_FAULT_COUNTER_L 0xFF +#define PORT_CABLE_FAULT_COUNTER 0x1FF + +#define REG_PORT_1_CTRL_9 0x1C +#define REG_PORT_2_CTRL_9 0x2C +#define REG_PORT_3_CTRL_9 0x3C +#define REG_PORT_4_CTRL_9 0x4C + +#define PORT_AUTO_NEG_ENABLE BIT(7) +#define PORT_AUTO_NEG_DISABLE BIT(7) +#define PORT_FORCE_100_MBIT BIT(6) +#define PORT_FORCE_FULL_DUPLEX BIT(5) + +#define REG_PORT_1_CTRL_10 0x1D +#define REG_PORT_2_CTRL_10 0x2D +#define REG_PORT_3_CTRL_10 0x3D +#define REG_PORT_4_CTRL_10 0x4D + +#define PORT_LED_OFF BIT(7) +#define PORT_TX_DISABLE BIT(6) +#define PORT_AUTO_NEG_RESTART BIT(5) +#define PORT_POWER_DOWN BIT(3) +#define PORT_AUTO_MDIX_DISABLE BIT(2) +#define PORT_FORCE_MDIX BIT(1) +#define PORT_MAC_LOOPBACK BIT(0) + +#define REG_PORT_1_STATUS_2 0x1E +#define REG_PORT_2_STATUS_2 0x2E +#define REG_PORT_3_STATUS_2 0x3E +#define REG_PORT_4_STATUS_2 0x4E + +#define PORT_MDIX_STATUS BIT(7) +#define PORT_AUTO_NEG_COMPLETE BIT(6) +#define PORT_STAT_LINK_GOOD BIT(5) + +#define REG_PORT_1_STATUS_3 0x1F +#define REG_PORT_2_STATUS_3 0x2F +#define REG_PORT_3_STATUS_3 0x3F +#define REG_PORT_4_STATUS_3 0x4F + +#define PORT_PHY_LOOPBACK BIT(7) +#define PORT_PHY_ISOLATE BIT(5) +#define PORT_PHY_SOFT_RESET BIT(4) +#define PORT_PHY_FORCE_LINK BIT(3) +#define PORT_PHY_MODE_M 0x7 +#define PHY_MODE_IN_AUTO_NEG 1 +#define PHY_MODE_10BT_HALF 2 +#define PHY_MODE_100BT_HALF 3 +#define PHY_MODE_10BT_FULL 5 +#define PHY_MODE_100BT_FULL 6 +#define PHY_MODE_ISOLDATE 7 + +#define REG_PORT_CTRL_0 0x00 +#define REG_PORT_CTRL_1 0x01 +#define REG_PORT_CTRL_2 0x02 +#define REG_PORT_CTRL_VID 0x03 + +#define REG_PORT_CTRL_5 0x05 + +#define REG_PORT_STATUS_1 0x09 +#define REG_PORT_LINK_MD_CTRL 0x0A +#define REG_PORT_LINK_MD_RESULT 0x0B +#define REG_PORT_CTRL_9 0x0C +#define REG_PORT_CTRL_10 0x0D +#define REG_PORT_STATUS_3 0x0F + +#define REG_PORT_CTRL_12 0xA0 +#define REG_PORT_CTRL_13 0xA1 +#define REG_PORT_RATE_CTRL_3 0xA2 +#define REG_PORT_RATE_CTRL_2 0xA3 +#define REG_PORT_RATE_CTRL_1 0xA4 +#define REG_PORT_RATE_CTRL_0 0xA5 +#define REG_PORT_RATE_LIMIT 0xA6 +#define REG_PORT_IN_RATE_0 0xA7 +#define REG_PORT_IN_RATE_1 0xA8 +#define REG_PORT_IN_RATE_2 0xA9 +#define REG_PORT_IN_RATE_3 0xAA +#define REG_PORT_OUT_RATE_0 0xAB +#define REG_PORT_OUT_RATE_1 0xAC +#define REG_PORT_OUT_RATE_2 0xAD +#define REG_PORT_OUT_RATE_3 0xAE + +#define PORT_CTRL_ADDR(port, addr) \ + ((addr) + REG_PORT_1_CTRL_0 + (port) * \ + (REG_PORT_2_CTRL_0 - REG_PORT_1_CTRL_0)) + +#define REG_SW_MAC_ADDR_0 0x68 +#define REG_SW_MAC_ADDR_1 0x69 +#define REG_SW_MAC_ADDR_2 0x6A +#define REG_SW_MAC_ADDR_3 0x6B +#define REG_SW_MAC_ADDR_4 0x6C +#define REG_SW_MAC_ADDR_5 0x6D + +#define TABLE_EXT_SELECT_S 5 +#define TABLE_EEE_V 1 +#define TABLE_ACL_V 2 +#define TABLE_PME_V 4 +#define TABLE_LINK_MD_V 5 +#define TABLE_EEE (TABLE_EEE_V << TABLE_EXT_SELECT_S) +#define TABLE_ACL (TABLE_ACL_V << TABLE_EXT_SELECT_S) +#define TABLE_PME (TABLE_PME_V << TABLE_EXT_SELECT_S) +#define TABLE_LINK_MD (TABLE_LINK_MD << TABLE_EXT_SELECT_S) +#define TABLE_READ BIT(4) +#define TABLE_SELECT_S 2 +#define TABLE_STATIC_MAC_V 0 +#define TABLE_VLAN_V 1 +#define TABLE_DYNAMIC_MAC_V 2 +#define TABLE_MIB_V 3 +#define TABLE_STATIC_MAC (TABLE_STATIC_MAC_V << TABLE_SELECT_S) +#define TABLE_VLAN (TABLE_VLAN_V << TABLE_SELECT_S) +#define TABLE_DYNAMIC_MAC (TABLE_DYNAMIC_MAC_V << TABLE_SELECT_S) +#define TABLE_MIB (TABLE_MIB_V << TABLE_SELECT_S) + +#define REG_IND_CTRL_1 0x6F + +#define TABLE_ENTRY_MASK 0x03FF +#define TABLE_EXT_ENTRY_MASK 0x0FFF + +#define REG_IND_DATA_5 0x73 +#define REG_IND_DATA_2 0x76 +#define REG_IND_DATA_1 0x77 +#define REG_IND_DATA_0 0x78 + +#define REG_IND_DATA_PME_EEE_ACL 0xA0 + +#define REG_INT_STATUS 0x7C +#define REG_INT_ENABLE 0x7D + +#define INT_PME BIT(4) + +#define REG_ACL_INT_STATUS 0x7E +#define REG_ACL_INT_ENABLE 0x7F + +#define INT_PORT_5 BIT(4) +#define INT_PORT_4 BIT(3) +#define INT_PORT_3 BIT(2) +#define INT_PORT_2 BIT(1) +#define INT_PORT_1 BIT(0) + +#define INT_PORT_ALL \ + (INT_PORT_5 | INT_PORT_4 | INT_PORT_3 | INT_PORT_2 | INT_PORT_1) + +#define REG_SW_CTRL_12 0x80 +#define REG_SW_CTRL_13 0x81 + +#define SWITCH_802_1P_MASK 3 +#define SWITCH_802_1P_BASE 3 +#define SWITCH_802_1P_SHIFT 2 + +#define SW_802_1P_MAP_M KS_PRIO_M +#define SW_802_1P_MAP_S KS_PRIO_S + +#define REG_SWITCH_CTRL_14 0x82 + +#define SW_PRIO_MAPPING_M KS_PRIO_M +#define SW_PRIO_MAPPING_S 6 +#define SW_PRIO_MAP_3_HI 0 +#define SW_PRIO_MAP_2_HI 2 +#define SW_PRIO_MAP_0_LO 3 + +#define REG_SW_CTRL_15 0x83 +#define REG_SW_CTRL_16 0x84 +#define REG_SW_CTRL_17 0x85 +#define REG_SW_CTRL_18 0x86 + +#define SW_SELF_ADDR_FILTER_ENABLE BIT(6) + +#define REG_SW_UNK_UCAST_CTRL 0x83 +#define REG_SW_UNK_MCAST_CTRL 0x84 +#define REG_SW_UNK_VID_CTRL 0x85 +#define REG_SW_UNK_IP_MCAST_CTRL 0x86 + +#define SW_UNK_FWD_ENABLE BIT(5) +#define SW_UNK_FWD_MAP KS_PORT_M + +#define REG_SW_CTRL_19 0x87 + +#define SW_IN_RATE_LIMIT_PERIOD_M 0x3 +#define SW_IN_RATE_LIMIT_PERIOD_S 4 +#define SW_IN_RATE_LIMIT_16_MS 0 +#define SW_IN_RATE_LIMIT_64_MS 1 +#define SW_IN_RATE_LIMIT_256_MS 2 +#define SW_OUT_RATE_LIMIT_QUEUE_BASED BIT(3) +#define SW_INS_TAG_ENABLE BIT(2) + +#define REG_TOS_PRIO_CTRL_0 0x90 +#define REG_TOS_PRIO_CTRL_1 0x91 +#define REG_TOS_PRIO_CTRL_2 0x92 +#define REG_TOS_PRIO_CTRL_3 0x93 +#define REG_TOS_PRIO_CTRL_4 0x94 +#define REG_TOS_PRIO_CTRL_5 0x95 +#define REG_TOS_PRIO_CTRL_6 0x96 +#define REG_TOS_PRIO_CTRL_7 0x97 +#define REG_TOS_PRIO_CTRL_8 0x98 +#define REG_TOS_PRIO_CTRL_9 0x99 +#define REG_TOS_PRIO_CTRL_10 0x9A +#define REG_TOS_PRIO_CTRL_11 0x9B +#define REG_TOS_PRIO_CTRL_12 0x9C +#define REG_TOS_PRIO_CTRL_13 0x9D +#define REG_TOS_PRIO_CTRL_14 0x9E +#define REG_TOS_PRIO_CTRL_15 0x9F + +#define TOS_PRIO_M KS_PRIO_M +#define TOS_PRIO_S KS_PRIO_S + +#define REG_SW_CTRL_20 0xA3 + +#define SW_GMII_DRIVE_STRENGTH_S 4 +#define SW_DRIVE_STRENGTH_M 0x7 +#define SW_DRIVE_STRENGTH_2MA 0 +#define SW_DRIVE_STRENGTH_4MA 1 +#define SW_DRIVE_STRENGTH_8MA 2 +#define SW_DRIVE_STRENGTH_12MA 3 +#define SW_DRIVE_STRENGTH_16MA 4 +#define SW_DRIVE_STRENGTH_20MA 5 +#define SW_DRIVE_STRENGTH_24MA 6 +#define SW_DRIVE_STRENGTH_28MA 7 +#define SW_MII_DRIVE_STRENGTH_S 0 + +#define REG_SW_CTRL_21 0xA4 + +#define SW_IPV6_MLD_OPTION BIT(3) +#define SW_IPV6_MLD_SNOOP BIT(2) + +#define REG_PORT_1_CTRL_12 0xB0 +#define REG_PORT_2_CTRL_12 0xC0 +#define REG_PORT_3_CTRL_12 0xD0 +#define REG_PORT_4_CTRL_12 0xE0 +#define REG_PORT_5_CTRL_12 0xF0 + +#define PORT_PASS_ALL BIT(6) +#define PORT_INS_TAG_FOR_PORT_5_S 3 +#define PORT_INS_TAG_FOR_PORT_5 BIT(3) +#define PORT_INS_TAG_FOR_PORT_4 BIT(2) +#define PORT_INS_TAG_FOR_PORT_3 BIT(1) +#define PORT_INS_TAG_FOR_PORT_2 BIT(0) + +#define REG_PORT_1_CTRL_13 0xB1 +#define REG_PORT_2_CTRL_13 0xC1 +#define REG_PORT_3_CTRL_13 0xD1 +#define REG_PORT_4_CTRL_13 0xE1 +#define REG_PORT_5_CTRL_13 0xF1 + +#define PORT_QUEUE_SPLIT_H BIT(1) +#define PORT_QUEUE_SPLIT_1 0 +#define PORT_QUEUE_SPLIT_2 1 +#define PORT_QUEUE_SPLIT_4 2 +#define PORT_DROP_TAG BIT(0) + +#define REG_PORT_1_CTRL_14 0xB2 +#define REG_PORT_2_CTRL_14 0xC2 +#define REG_PORT_3_CTRL_14 0xD2 +#define REG_PORT_4_CTRL_14 0xE2 +#define REG_PORT_5_CTRL_14 0xF2 +#define REG_PORT_1_CTRL_15 0xB3 +#define REG_PORT_2_CTRL_15 0xC3 +#define REG_PORT_3_CTRL_15 0xD3 +#define REG_PORT_4_CTRL_15 0xE3 +#define REG_PORT_5_CTRL_15 0xF3 +#define REG_PORT_1_CTRL_16 0xB4 +#define REG_PORT_2_CTRL_16 0xC4 +#define REG_PORT_3_CTRL_16 0xD4 +#define REG_PORT_4_CTRL_16 0xE4 +#define REG_PORT_5_CTRL_16 0xF4 +#define REG_PORT_1_CTRL_17 0xB5 +#define REG_PORT_2_CTRL_17 0xC5 +#define REG_PORT_3_CTRL_17 0xD5 +#define REG_PORT_4_CTRL_17 0xE5 +#define REG_PORT_5_CTRL_17 0xF5 + +#define REG_PORT_1_RATE_CTRL_3 0xB2 +#define REG_PORT_1_RATE_CTRL_2 0xB3 +#define REG_PORT_1_RATE_CTRL_1 0xB4 +#define REG_PORT_1_RATE_CTRL_0 0xB5 +#define REG_PORT_2_RATE_CTRL_3 0xC2 +#define REG_PORT_2_RATE_CTRL_2 0xC3 +#define REG_PORT_2_RATE_CTRL_1 0xC4 +#define REG_PORT_2_RATE_CTRL_0 0xC5 +#define REG_PORT_3_RATE_CTRL_3 0xD2 +#define REG_PORT_3_RATE_CTRL_2 0xD3 +#define REG_PORT_3_RATE_CTRL_1 0xD4 +#define REG_PORT_3_RATE_CTRL_0 0xD5 +#define REG_PORT_4_RATE_CTRL_3 0xE2 +#define REG_PORT_4_RATE_CTRL_2 0xE3 +#define REG_PORT_4_RATE_CTRL_1 0xE4 +#define REG_PORT_4_RATE_CTRL_0 0xE5 +#define REG_PORT_5_RATE_CTRL_3 0xF2 +#define REG_PORT_5_RATE_CTRL_2 0xF3 +#define REG_PORT_5_RATE_CTRL_1 0xF4 +#define REG_PORT_5_RATE_CTRL_0 0xF5 + +#define RATE_CTRL_ENABLE BIT(7) +#define RATE_RATIO_M (BIT(7) - 1) + +#define PORT_OUT_RATE_ENABLE BIT(7) + +#define REG_PORT_1_RATE_LIMIT 0xB6 +#define REG_PORT_2_RATE_LIMIT 0xC6 +#define REG_PORT_3_RATE_LIMIT 0xD6 +#define REG_PORT_4_RATE_LIMIT 0xE6 +#define REG_PORT_5_RATE_LIMIT 0xF6 + +#define PORT_IN_PORT_BASED_S 6 +#define PORT_RATE_PACKET_BASED_S 5 +#define PORT_IN_FLOW_CTRL_S 4 +#define PORT_IN_LIMIT_MODE_M 0x3 +#define PORT_IN_LIMIT_MODE_S 2 +#define PORT_COUNT_IFG_S 1 +#define PORT_COUNT_PREAMBLE_S 0 +#define PORT_IN_PORT_BASED BIT(PORT_IN_PORT_BASED_S) +#define PORT_RATE_PACKET_BASED BIT(PORT_RATE_PACKET_BASED_S) +#define PORT_IN_FLOW_CTRL BIT(PORT_IN_FLOW_CTRL_S) +#define PORT_IN_ALL 0 +#define PORT_IN_UNICAST 1 +#define PORT_IN_MULTICAST 2 +#define PORT_IN_BROADCAST 3 +#define PORT_COUNT_IFG BIT(PORT_COUNT_IFG_S) +#define PORT_COUNT_PREAMBLE BIT(PORT_COUNT_PREAMBLE_S) + +#define REG_PORT_1_IN_RATE_0 0xB7 +#define REG_PORT_2_IN_RATE_0 0xC7 +#define REG_PORT_3_IN_RATE_0 0xD7 +#define REG_PORT_4_IN_RATE_0 0xE7 +#define REG_PORT_5_IN_RATE_0 0xF7 +#define REG_PORT_1_IN_RATE_1 0xB8 +#define REG_PORT_2_IN_RATE_1 0xC8 +#define REG_PORT_3_IN_RATE_1 0xD8 +#define REG_PORT_4_IN_RATE_1 0xE8 +#define REG_PORT_5_IN_RATE_1 0xF8 +#define REG_PORT_1_IN_RATE_2 0xB9 +#define REG_PORT_2_IN_RATE_2 0xC9 +#define REG_PORT_3_IN_RATE_2 0xD9 +#define REG_PORT_4_IN_RATE_2 0xE9 +#define REG_PORT_5_IN_RATE_2 0xF9 +#define REG_PORT_1_IN_RATE_3 0xBA +#define REG_PORT_2_IN_RATE_3 0xCA +#define REG_PORT_3_IN_RATE_3 0xDA +#define REG_PORT_4_IN_RATE_3 0xEA +#define REG_PORT_5_IN_RATE_3 0xFA + +#define PORT_IN_RATE_ENABLE BIT(7) +#define PORT_RATE_LIMIT_M (BIT(7) - 1) + +#define REG_PORT_1_OUT_RATE_0 0xBB +#define REG_PORT_2_OUT_RATE_0 0xCB +#define REG_PORT_3_OUT_RATE_0 0xDB +#define REG_PORT_4_OUT_RATE_0 0xEB +#define REG_PORT_5_OUT_RATE_0 0xFB +#define REG_PORT_1_OUT_RATE_1 0xBC +#define REG_PORT_2_OUT_RATE_1 0xCC +#define REG_PORT_3_OUT_RATE_1 0xDC +#define REG_PORT_4_OUT_RATE_1 0xEC +#define REG_PORT_5_OUT_RATE_1 0xFC +#define REG_PORT_1_OUT_RATE_2 0xBD +#define REG_PORT_2_OUT_RATE_2 0xCD +#define REG_PORT_3_OUT_RATE_2 0xDD +#define REG_PORT_4_OUT_RATE_2 0xED +#define REG_PORT_5_OUT_RATE_2 0xFD +#define REG_PORT_1_OUT_RATE_3 0xBE +#define REG_PORT_2_OUT_RATE_3 0xCE +#define REG_PORT_3_OUT_RATE_3 0xDE +#define REG_PORT_4_OUT_RATE_3 0xEE +#define REG_PORT_5_OUT_RATE_3 0xFE + +/* 88x3 specific */ + +#define REG_SW_INSERT_SRC_PVID 0xC2 + +/* PME */ + +#define SW_PME_OUTPUT_ENABLE BIT(1) +#define SW_PME_ACTIVE_HIGH BIT(0) + +#define PORT_MAGIC_PACKET_DETECT BIT(2) +#define PORT_LINK_UP_DETECT BIT(1) +#define PORT_ENERGY_DETECT BIT(0) + +/* ACL */ + +#define ACL_FIRST_RULE_M 0xF + +#define ACL_MODE_M 0x3 +#define ACL_MODE_S 4 +#define ACL_MODE_DISABLE 0 +#define ACL_MODE_LAYER_2 1 +#define ACL_MODE_LAYER_3 2 +#define ACL_MODE_LAYER_4 3 +#define ACL_ENABLE_M 0x3 +#define ACL_ENABLE_S 2 +#define ACL_ENABLE_2_COUNT 0 +#define ACL_ENABLE_2_TYPE 1 +#define ACL_ENABLE_2_MAC 2 +#define ACL_ENABLE_2_BOTH 3 +#define ACL_ENABLE_3_IP 1 +#define ACL_ENABLE_3_SRC_DST_COMP 2 +#define ACL_ENABLE_4_PROTOCOL 0 +#define ACL_ENABLE_4_TCP_PORT_COMP 1 +#define ACL_ENABLE_4_UDP_PORT_COMP 2 +#define ACL_ENABLE_4_TCP_SEQN_COMP 3 +#define ACL_SRC BIT(1) +#define ACL_EQUAL BIT(0) + +#define ACL_MAX_PORT 0xFFFF + +#define ACL_MIN_PORT 0xFFFF +#define ACL_IP_ADDR 0xFFFFFFFF +#define ACL_TCP_SEQNUM 0xFFFFFFFF + +#define ACL_RESERVED 0xF8 +#define ACL_PORT_MODE_M 0x3 +#define ACL_PORT_MODE_S 1 +#define ACL_PORT_MODE_DISABLE 0 +#define ACL_PORT_MODE_EITHER 1 +#define ACL_PORT_MODE_IN_RANGE 2 +#define ACL_PORT_MODE_OUT_OF_RANGE 3 + +#define ACL_TCP_FLAG_ENABLE BIT(0) + +#define ACL_TCP_FLAG_M 0xFF + +#define ACL_TCP_FLAG 0xFF +#define ACL_ETH_TYPE 0xFFFF +#define ACL_IP_M 0xFFFFFFFF + +#define ACL_PRIO_MODE_M 0x3 +#define ACL_PRIO_MODE_S 6 +#define ACL_PRIO_MODE_DISABLE 0 +#define ACL_PRIO_MODE_HIGHER 1 +#define ACL_PRIO_MODE_LOWER 2 +#define ACL_PRIO_MODE_REPLACE 3 +#define ACL_PRIO_M 0x7 +#define ACL_PRIO_S 3 +#define ACL_VLAN_PRIO_REPLACE BIT(2) +#define ACL_VLAN_PRIO_M 0x7 +#define ACL_VLAN_PRIO_HI_M 0x3 + +#define ACL_VLAN_PRIO_LO_M 0x8 +#define ACL_VLAN_PRIO_S 7 +#define ACL_MAP_MODE_M 0x3 +#define ACL_MAP_MODE_S 5 +#define ACL_MAP_MODE_DISABLE 0 +#define ACL_MAP_MODE_OR 1 +#define ACL_MAP_MODE_AND 2 +#define ACL_MAP_MODE_REPLACE 3 +#define ACL_MAP_PORT_M 0x1F + +#define ACL_CNT_M (BIT(11) - 1) +#define ACL_CNT_S 5 +#define ACL_MSEC_UNIT BIT(4) +#define ACL_INTR_MODE BIT(3) + +#define REG_PORT_ACL_BYTE_EN_MSB 0x10 + +#define ACL_BYTE_EN_MSB_M 0x3F + +#define REG_PORT_ACL_BYTE_EN_LSB 0x11 + +#define ACL_ACTION_START 0xA +#define ACL_ACTION_LEN 2 +#define ACL_INTR_CNT_START 0xB +#define ACL_RULESET_START 0xC +#define ACL_RULESET_LEN 2 +#define ACL_TABLE_LEN 14 + +#define ACL_ACTION_ENABLE 0x000C +#define ACL_MATCH_ENABLE 0x1FF0 +#define ACL_RULESET_ENABLE 0x2003 +#define ACL_BYTE_ENABLE ((ACL_BYTE_EN_MSB_M << 8) | 0xFF) +#define ACL_MODE_ENABLE (0x10 << 8) + +#define REG_PORT_ACL_CTRL_0 0x12 + +#define PORT_ACL_WRITE_DONE BIT(6) +#define PORT_ACL_READ_DONE BIT(5) +#define PORT_ACL_WRITE BIT(4) +#define PORT_ACL_INDEX_M 0xF + +#define REG_PORT_ACL_CTRL_1 0x13 + +#define PORT_ACL_FORCE_DLR_MISS BIT(0) + +#define KSZ8795_ID_HI 0x0022 +#define KSZ8795_ID_LO 0x1550 +#define KSZ8863_ID_LO 0x1430 + +#define KSZ8795_SW_ID 0x8795 + +#define PHY_REG_LINK_MD 0x1D + +#define PHY_START_CABLE_DIAG BIT(15) +#define PHY_CABLE_DIAG_RESULT_M GENMASK(14, 13) +#define PHY_CABLE_DIAG_RESULT 0x6000 +#define PHY_CABLE_STAT_NORMAL 0x0000 +#define PHY_CABLE_STAT_OPEN 0x2000 +#define PHY_CABLE_STAT_SHORT 0x4000 +#define PHY_CABLE_STAT_FAILED 0x6000 +#define PHY_CABLE_10M_SHORT BIT(12) +#define PHY_CABLE_FAULT_COUNTER_M GENMASK(8, 0) + +#define PHY_REG_PHY_CTRL 0x1F + +#define PHY_MODE_M 0x7 +#define PHY_MODE_S 8 +#define PHY_STAT_REVERSED_POLARITY BIT(5) +#define PHY_STAT_MDIX BIT(4) +#define PHY_FORCE_LINK BIT(3) +#define PHY_POWER_SAVING_ENABLE BIT(2) +#define PHY_REMOTE_LOOPBACK BIT(1) + +/* Chip resource */ + +#define PRIO_QUEUES 4 + +#define KS_PRIO_IN_REG 4 + +#define MIB_COUNTER_NUM 0x20 + +/* Common names used by other drivers */ + +#define P_BCAST_STORM_CTRL REG_PORT_CTRL_0 +#define P_PRIO_CTRL REG_PORT_CTRL_0 +#define P_TAG_CTRL REG_PORT_CTRL_0 +#define P_MIRROR_CTRL REG_PORT_CTRL_1 +#define P_802_1P_CTRL REG_PORT_CTRL_2 +#define P_PASS_ALL_CTRL REG_PORT_CTRL_12 +#define P_INS_SRC_PVID_CTRL REG_PORT_CTRL_12 +#define P_DROP_TAG_CTRL REG_PORT_CTRL_13 +#define P_RATE_LIMIT_CTRL REG_PORT_RATE_LIMIT + +#define S_UNKNOWN_DA_CTRL REG_SWITCH_CTRL_12 +#define S_FORWARD_INVALID_VID_CTRL REG_FORWARD_INVALID_VID + +#define S_FLUSH_TABLE_CTRL REG_SW_CTRL_0 +#define S_LINK_AGING_CTRL REG_SW_CTRL_0 +#define S_HUGE_PACKET_CTRL REG_SW_CTRL_1 +#define S_MIRROR_CTRL REG_SW_CTRL_3 +#define S_REPLACE_VID_CTRL REG_SW_CTRL_4 +#define S_PASS_PAUSE_CTRL REG_SW_CTRL_10 +#define S_802_1P_PRIO_CTRL REG_SW_CTRL_12 +#define S_TOS_PRIO_CTRL REG_TOS_PRIO_CTRL_0 +#define S_IPV6_MLD_CTRL REG_SW_CTRL_21 + +#define IND_ACC_TABLE(table) ((table) << 8) + +/* */ +#define REG_IND_EEE_GLOB2_LO 0x34 +#define REG_IND_EEE_GLOB2_HI 0x35 + +/** + * MIB_COUNTER_VALUE 00-00000000-3FFFFFFF + * MIB_TOTAL_BYTES 00-0000000F-FFFFFFFF + * MIB_PACKET_DROPPED 00-00000000-0000FFFF + * MIB_COUNTER_VALID 00-00000020-00000000 + * MIB_COUNTER_OVERFLOW 00-00000040-00000000 + */ + +#define MIB_COUNTER_VALUE 0x3FFFFFFF + +#define KSZ8795_MIB_TOTAL_RX_0 0x100 +#define KSZ8795_MIB_TOTAL_TX_0 0x101 +#define KSZ8795_MIB_TOTAL_RX_1 0x104 +#define KSZ8795_MIB_TOTAL_TX_1 0x105 + +#define KSZ8863_MIB_PACKET_DROPPED_TX_0 0x100 +#define KSZ8863_MIB_PACKET_DROPPED_RX_0 0x105 + +#define MIB_PACKET_DROPPED 0x0000FFFF + +#define MIB_TOTAL_BYTES_H 0x0000000F + +#define TAIL_TAG_OVERRIDE BIT(6) +#define TAIL_TAG_LOOKUP BIT(7) + +#define FID_ENTRIES 128 + +#endif diff --git a/drivers/net/dsa/microchip/ksz8863_smi.c b/drivers/net/dsa/microchip/ksz8863_smi.c new file mode 100644 index 000000000..ed77ac222 --- /dev/null +++ b/drivers/net/dsa/microchip/ksz8863_smi.c @@ -0,0 +1,213 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Microchip KSZ8863 series register access through SMI + * + * Copyright (C) 2019 Pengutronix, Michael Grzeschik <kernel@pengutronix.de> + */ + +#include "ksz8.h" +#include "ksz_common.h" + +/* Serial Management Interface (SMI) uses the following frame format: + * + * preamble|start|Read/Write| PHY | REG |TA| Data bits | Idle + * |frame| OP code |address |address| | | + * read | 32x1´s | 01 | 00 | 1xRRR | RRRRR |Z0| 00000000DDDDDDDD | Z + * write| 32x1´s | 01 | 00 | 0xRRR | RRRRR |10| xxxxxxxxDDDDDDDD | Z + * + */ + +#define SMI_KSZ88XX_READ_PHY BIT(4) + +static int ksz8863_mdio_read(void *ctx, const void *reg_buf, size_t reg_len, + void *val_buf, size_t val_len) +{ + struct ksz_device *dev = ctx; + struct mdio_device *mdev; + u8 reg = *(u8 *)reg_buf; + u8 *val = val_buf; + int i, ret = 0; + + mdev = dev->priv; + + mutex_lock_nested(&mdev->bus->mdio_lock, MDIO_MUTEX_NESTED); + for (i = 0; i < val_len; i++) { + int tmp = reg + i; + + ret = __mdiobus_read(mdev->bus, ((tmp & 0xE0) >> 5) | + SMI_KSZ88XX_READ_PHY, tmp); + if (ret < 0) + goto out; + + val[i] = ret; + } + ret = 0; + + out: + mutex_unlock(&mdev->bus->mdio_lock); + + return ret; +} + +static int ksz8863_mdio_write(void *ctx, const void *data, size_t count) +{ + struct ksz_device *dev = ctx; + struct mdio_device *mdev; + int i, ret = 0; + u32 reg; + u8 *val; + + mdev = dev->priv; + + val = (u8 *)(data + 4); + reg = *(u32 *)data; + + mutex_lock_nested(&mdev->bus->mdio_lock, MDIO_MUTEX_NESTED); + for (i = 0; i < (count - 4); i++) { + int tmp = reg + i; + + ret = __mdiobus_write(mdev->bus, ((tmp & 0xE0) >> 5), + tmp, val[i]); + if (ret < 0) + goto out; + } + + out: + mutex_unlock(&mdev->bus->mdio_lock); + + return ret; +} + +static const struct regmap_bus regmap_smi[] = { + { + .read = ksz8863_mdio_read, + .write = ksz8863_mdio_write, + }, + { + .read = ksz8863_mdio_read, + .write = ksz8863_mdio_write, + .val_format_endian_default = REGMAP_ENDIAN_BIG, + }, + { + .read = ksz8863_mdio_read, + .write = ksz8863_mdio_write, + .val_format_endian_default = REGMAP_ENDIAN_BIG, + } +}; + +static const struct regmap_config ksz8863_regmap_config[] = { + { + .name = "#8", + .reg_bits = 8, + .pad_bits = 24, + .val_bits = 8, + .cache_type = REGCACHE_NONE, + .lock = ksz_regmap_lock, + .unlock = ksz_regmap_unlock, + }, + { + .name = "#16", + .reg_bits = 8, + .pad_bits = 24, + .val_bits = 16, + .cache_type = REGCACHE_NONE, + .lock = ksz_regmap_lock, + .unlock = ksz_regmap_unlock, + }, + { + .name = "#32", + .reg_bits = 8, + .pad_bits = 24, + .val_bits = 32, + .cache_type = REGCACHE_NONE, + .lock = ksz_regmap_lock, + .unlock = ksz_regmap_unlock, + } +}; + +static int ksz8863_smi_probe(struct mdio_device *mdiodev) +{ + struct regmap_config rc; + struct ksz_device *dev; + int ret; + int i; + + dev = ksz_switch_alloc(&mdiodev->dev, mdiodev); + if (!dev) + return -ENOMEM; + + for (i = 0; i < ARRAY_SIZE(ksz8863_regmap_config); i++) { + rc = ksz8863_regmap_config[i]; + rc.lock_arg = &dev->regmap_mutex; + dev->regmap[i] = devm_regmap_init(&mdiodev->dev, + ®map_smi[i], dev, + &rc); + if (IS_ERR(dev->regmap[i])) { + ret = PTR_ERR(dev->regmap[i]); + dev_err(&mdiodev->dev, + "Failed to initialize regmap%i: %d\n", + ksz8863_regmap_config[i].val_bits, ret); + return ret; + } + } + + if (mdiodev->dev.platform_data) + dev->pdata = mdiodev->dev.platform_data; + + ret = ksz_switch_register(dev); + + /* Main DSA driver may not be started yet. */ + if (ret) + return ret; + + dev_set_drvdata(&mdiodev->dev, dev); + + return 0; +} + +static void ksz8863_smi_remove(struct mdio_device *mdiodev) +{ + struct ksz_device *dev = dev_get_drvdata(&mdiodev->dev); + + if (dev) + ksz_switch_remove(dev); +} + +static void ksz8863_smi_shutdown(struct mdio_device *mdiodev) +{ + struct ksz_device *dev = dev_get_drvdata(&mdiodev->dev); + + if (dev) + dsa_switch_shutdown(dev->ds); + + dev_set_drvdata(&mdiodev->dev, NULL); +} + +static const struct of_device_id ksz8863_dt_ids[] = { + { + .compatible = "microchip,ksz8863", + .data = &ksz_switch_chips[KSZ8830] + }, + { + .compatible = "microchip,ksz8873", + .data = &ksz_switch_chips[KSZ8830] + }, + { }, +}; +MODULE_DEVICE_TABLE(of, ksz8863_dt_ids); + +static struct mdio_driver ksz8863_driver = { + .probe = ksz8863_smi_probe, + .remove = ksz8863_smi_remove, + .shutdown = ksz8863_smi_shutdown, + .mdiodrv.driver = { + .name = "ksz8863-switch", + .of_match_table = ksz8863_dt_ids, + }, +}; + +mdio_module_driver(ksz8863_driver); + +MODULE_AUTHOR("Michael Grzeschik <m.grzeschik@pengutronix.de>"); +MODULE_DESCRIPTION("Microchip KSZ8863 SMI Switch driver"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/net/dsa/microchip/ksz9477.c b/drivers/net/dsa/microchip/ksz9477.c new file mode 100644 index 000000000..a73697147 --- /dev/null +++ b/drivers/net/dsa/microchip/ksz9477.c @@ -0,0 +1,1202 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Microchip KSZ9477 switch driver main logic + * + * Copyright (C) 2017-2019 Microchip Technology Inc. + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/iopoll.h> +#include <linux/platform_data/microchip-ksz.h> +#include <linux/phy.h> +#include <linux/if_bridge.h> +#include <linux/if_vlan.h> +#include <net/dsa.h> +#include <net/switchdev.h> + +#include "ksz9477_reg.h" +#include "ksz_common.h" +#include "ksz9477.h" + +static void ksz_cfg(struct ksz_device *dev, u32 addr, u8 bits, bool set) +{ + regmap_update_bits(dev->regmap[0], addr, bits, set ? bits : 0); +} + +static void ksz_port_cfg(struct ksz_device *dev, int port, int offset, u8 bits, + bool set) +{ + regmap_update_bits(dev->regmap[0], PORT_CTRL_ADDR(port, offset), + bits, set ? bits : 0); +} + +static void ksz9477_cfg32(struct ksz_device *dev, u32 addr, u32 bits, bool set) +{ + regmap_update_bits(dev->regmap[2], addr, bits, set ? bits : 0); +} + +static void ksz9477_port_cfg32(struct ksz_device *dev, int port, int offset, + u32 bits, bool set) +{ + regmap_update_bits(dev->regmap[2], PORT_CTRL_ADDR(port, offset), + bits, set ? bits : 0); +} + +int ksz9477_change_mtu(struct ksz_device *dev, int port, int mtu) +{ + u16 frame_size, max_frame = 0; + int i; + + frame_size = mtu + VLAN_ETH_HLEN + ETH_FCS_LEN; + + /* Cache the per-port MTU setting */ + dev->ports[port].max_frame = frame_size; + + for (i = 0; i < dev->info->port_cnt; i++) + max_frame = max(max_frame, dev->ports[i].max_frame); + + return regmap_update_bits(dev->regmap[1], REG_SW_MTU__2, + REG_SW_MTU_MASK, max_frame); +} + +int ksz9477_max_mtu(struct ksz_device *dev, int port) +{ + return KSZ9477_MAX_FRAME_SIZE - VLAN_ETH_HLEN - ETH_FCS_LEN; +} + +static int ksz9477_wait_vlan_ctrl_ready(struct ksz_device *dev) +{ + unsigned int val; + + return regmap_read_poll_timeout(dev->regmap[0], REG_SW_VLAN_CTRL, + val, !(val & VLAN_START), 10, 1000); +} + +static int ksz9477_get_vlan_table(struct ksz_device *dev, u16 vid, + u32 *vlan_table) +{ + int ret; + + mutex_lock(&dev->vlan_mutex); + + ksz_write16(dev, REG_SW_VLAN_ENTRY_INDEX__2, vid & VLAN_INDEX_M); + ksz_write8(dev, REG_SW_VLAN_CTRL, VLAN_READ | VLAN_START); + + /* wait to be cleared */ + ret = ksz9477_wait_vlan_ctrl_ready(dev); + if (ret) { + dev_dbg(dev->dev, "Failed to read vlan table\n"); + goto exit; + } + + ksz_read32(dev, REG_SW_VLAN_ENTRY__4, &vlan_table[0]); + ksz_read32(dev, REG_SW_VLAN_ENTRY_UNTAG__4, &vlan_table[1]); + ksz_read32(dev, REG_SW_VLAN_ENTRY_PORTS__4, &vlan_table[2]); + + ksz_write8(dev, REG_SW_VLAN_CTRL, 0); + +exit: + mutex_unlock(&dev->vlan_mutex); + + return ret; +} + +static int ksz9477_set_vlan_table(struct ksz_device *dev, u16 vid, + u32 *vlan_table) +{ + int ret; + + mutex_lock(&dev->vlan_mutex); + + ksz_write32(dev, REG_SW_VLAN_ENTRY__4, vlan_table[0]); + ksz_write32(dev, REG_SW_VLAN_ENTRY_UNTAG__4, vlan_table[1]); + ksz_write32(dev, REG_SW_VLAN_ENTRY_PORTS__4, vlan_table[2]); + + ksz_write16(dev, REG_SW_VLAN_ENTRY_INDEX__2, vid & VLAN_INDEX_M); + ksz_write8(dev, REG_SW_VLAN_CTRL, VLAN_START | VLAN_WRITE); + + /* wait to be cleared */ + ret = ksz9477_wait_vlan_ctrl_ready(dev); + if (ret) { + dev_dbg(dev->dev, "Failed to write vlan table\n"); + goto exit; + } + + ksz_write8(dev, REG_SW_VLAN_CTRL, 0); + + /* update vlan cache table */ + dev->vlan_cache[vid].table[0] = vlan_table[0]; + dev->vlan_cache[vid].table[1] = vlan_table[1]; + dev->vlan_cache[vid].table[2] = vlan_table[2]; + +exit: + mutex_unlock(&dev->vlan_mutex); + + return ret; +} + +static void ksz9477_read_table(struct ksz_device *dev, u32 *table) +{ + ksz_read32(dev, REG_SW_ALU_VAL_A, &table[0]); + ksz_read32(dev, REG_SW_ALU_VAL_B, &table[1]); + ksz_read32(dev, REG_SW_ALU_VAL_C, &table[2]); + ksz_read32(dev, REG_SW_ALU_VAL_D, &table[3]); +} + +static void ksz9477_write_table(struct ksz_device *dev, u32 *table) +{ + ksz_write32(dev, REG_SW_ALU_VAL_A, table[0]); + ksz_write32(dev, REG_SW_ALU_VAL_B, table[1]); + ksz_write32(dev, REG_SW_ALU_VAL_C, table[2]); + ksz_write32(dev, REG_SW_ALU_VAL_D, table[3]); +} + +static int ksz9477_wait_alu_ready(struct ksz_device *dev) +{ + unsigned int val; + + return regmap_read_poll_timeout(dev->regmap[2], REG_SW_ALU_CTRL__4, + val, !(val & ALU_START), 10, 1000); +} + +static int ksz9477_wait_alu_sta_ready(struct ksz_device *dev) +{ + unsigned int val; + + return regmap_read_poll_timeout(dev->regmap[2], + REG_SW_ALU_STAT_CTRL__4, + val, !(val & ALU_STAT_START), + 10, 1000); +} + +int ksz9477_reset_switch(struct ksz_device *dev) +{ + u8 data8; + u32 data32; + + /* reset switch */ + ksz_cfg(dev, REG_SW_OPERATION, SW_RESET, true); + + /* turn off SPI DO Edge select */ + regmap_update_bits(dev->regmap[0], REG_SW_GLOBAL_SERIAL_CTRL_0, + SPI_AUTO_EDGE_DETECTION, 0); + + /* default configuration */ + ksz_read8(dev, REG_SW_LUE_CTRL_1, &data8); + data8 = SW_AGING_ENABLE | SW_LINK_AUTO_AGING | + SW_SRC_ADDR_FILTER | SW_FLUSH_STP_TABLE | SW_FLUSH_MSTP_TABLE; + ksz_write8(dev, REG_SW_LUE_CTRL_1, data8); + + /* disable interrupts */ + ksz_write32(dev, REG_SW_INT_MASK__4, SWITCH_INT_MASK); + ksz_write32(dev, REG_SW_PORT_INT_MASK__4, 0x7F); + ksz_read32(dev, REG_SW_PORT_INT_STATUS__4, &data32); + + /* KSZ9893 compatible chips do not support refclk configuration */ + if (dev->chip_id == KSZ9893_CHIP_ID || + dev->chip_id == KSZ8563_CHIP_ID) + return 0; + + data8 = SW_ENABLE_REFCLKO; + if (dev->synclko_disable) + data8 = 0; + else if (dev->synclko_125) + data8 = SW_ENABLE_REFCLKO | SW_REFCLKO_IS_125MHZ; + ksz_write8(dev, REG_SW_GLOBAL_OUTPUT_CTRL__1, data8); + + return 0; +} + +void ksz9477_r_mib_cnt(struct ksz_device *dev, int port, u16 addr, u64 *cnt) +{ + struct ksz_port *p = &dev->ports[port]; + unsigned int val; + u32 data; + int ret; + + /* retain the flush/freeze bit */ + data = p->freeze ? MIB_COUNTER_FLUSH_FREEZE : 0; + data |= MIB_COUNTER_READ; + data |= (addr << MIB_COUNTER_INDEX_S); + ksz_pwrite32(dev, port, REG_PORT_MIB_CTRL_STAT__4, data); + + ret = regmap_read_poll_timeout(dev->regmap[2], + PORT_CTRL_ADDR(port, REG_PORT_MIB_CTRL_STAT__4), + val, !(val & MIB_COUNTER_READ), 10, 1000); + /* failed to read MIB. get out of loop */ + if (ret) { + dev_dbg(dev->dev, "Failed to get MIB\n"); + return; + } + + /* count resets upon read */ + ksz_pread32(dev, port, REG_PORT_MIB_DATA, &data); + *cnt += data; +} + +void ksz9477_r_mib_pkt(struct ksz_device *dev, int port, u16 addr, + u64 *dropped, u64 *cnt) +{ + addr = dev->info->mib_names[addr].index; + ksz9477_r_mib_cnt(dev, port, addr, cnt); +} + +void ksz9477_freeze_mib(struct ksz_device *dev, int port, bool freeze) +{ + u32 val = freeze ? MIB_COUNTER_FLUSH_FREEZE : 0; + struct ksz_port *p = &dev->ports[port]; + + /* enable/disable the port for flush/freeze function */ + mutex_lock(&p->mib.cnt_mutex); + ksz_pwrite32(dev, port, REG_PORT_MIB_CTRL_STAT__4, val); + + /* used by MIB counter reading code to know freeze is enabled */ + p->freeze = freeze; + mutex_unlock(&p->mib.cnt_mutex); +} + +void ksz9477_port_init_cnt(struct ksz_device *dev, int port) +{ + struct ksz_port_mib *mib = &dev->ports[port].mib; + + /* flush all enabled port MIB counters */ + mutex_lock(&mib->cnt_mutex); + ksz_pwrite32(dev, port, REG_PORT_MIB_CTRL_STAT__4, + MIB_COUNTER_FLUSH_FREEZE); + ksz_write8(dev, REG_SW_MAC_CTRL_6, SW_MIB_COUNTER_FLUSH); + ksz_pwrite32(dev, port, REG_PORT_MIB_CTRL_STAT__4, 0); + mutex_unlock(&mib->cnt_mutex); +} + +static void ksz9477_r_phy_quirks(struct ksz_device *dev, u16 addr, u16 reg, + u16 *data) +{ + /* KSZ8563R do not have extended registers but BMSR_ESTATEN and + * BMSR_ERCAP bits are set. + */ + if (dev->chip_id == KSZ8563_CHIP_ID && reg == MII_BMSR) + *data &= ~(BMSR_ESTATEN | BMSR_ERCAP); +} + +int ksz9477_r_phy(struct ksz_device *dev, u16 addr, u16 reg, u16 *data) +{ + u16 val = 0xffff; + int ret; + + /* No real PHY after this. Simulate the PHY. + * A fixed PHY can be setup in the device tree, but this function is + * still called for that port during initialization. + * For RGMII PHY there is no way to access it so the fixed PHY should + * be used. For SGMII PHY the supporting code will be added later. + */ + if (!dev->info->internal_phy[addr]) { + struct ksz_port *p = &dev->ports[addr]; + + switch (reg) { + case MII_BMCR: + val = 0x1140; + break; + case MII_BMSR: + val = 0x796d; + break; + case MII_PHYSID1: + val = 0x0022; + break; + case MII_PHYSID2: + val = 0x1631; + break; + case MII_ADVERTISE: + val = 0x05e1; + break; + case MII_LPA: + val = 0xc5e1; + break; + case MII_CTRL1000: + val = 0x0700; + break; + case MII_STAT1000: + if (p->phydev.speed == SPEED_1000) + val = 0x3800; + else + val = 0; + break; + } + } else { + ret = ksz_pread16(dev, addr, 0x100 + (reg << 1), &val); + if (ret) + return ret; + + ksz9477_r_phy_quirks(dev, addr, reg, &val); + } + + *data = val; + + return 0; +} + +int ksz9477_w_phy(struct ksz_device *dev, u16 addr, u16 reg, u16 val) +{ + /* No real PHY after this. */ + if (!dev->info->internal_phy[addr]) + return 0; + + return ksz_pwrite16(dev, addr, 0x100 + (reg << 1), val); +} + +void ksz9477_cfg_port_member(struct ksz_device *dev, int port, u8 member) +{ + ksz_pwrite32(dev, port, REG_PORT_VLAN_MEMBERSHIP__4, member); +} + +void ksz9477_flush_dyn_mac_table(struct ksz_device *dev, int port) +{ + const u16 *regs = dev->info->regs; + u8 data; + + regmap_update_bits(dev->regmap[0], REG_SW_LUE_CTRL_2, + SW_FLUSH_OPTION_M << SW_FLUSH_OPTION_S, + SW_FLUSH_OPTION_DYN_MAC << SW_FLUSH_OPTION_S); + + if (port < dev->info->port_cnt) { + /* flush individual port */ + ksz_pread8(dev, port, regs[P_STP_CTRL], &data); + if (!(data & PORT_LEARN_DISABLE)) + ksz_pwrite8(dev, port, regs[P_STP_CTRL], + data | PORT_LEARN_DISABLE); + ksz_cfg(dev, S_FLUSH_TABLE_CTRL, SW_FLUSH_DYN_MAC_TABLE, true); + ksz_pwrite8(dev, port, regs[P_STP_CTRL], data); + } else { + /* flush all */ + ksz_cfg(dev, S_FLUSH_TABLE_CTRL, SW_FLUSH_STP_TABLE, true); + } +} + +int ksz9477_port_vlan_filtering(struct ksz_device *dev, int port, + bool flag, struct netlink_ext_ack *extack) +{ + if (flag) { + ksz_port_cfg(dev, port, REG_PORT_LUE_CTRL, + PORT_VLAN_LOOKUP_VID_0, true); + ksz_cfg(dev, REG_SW_LUE_CTRL_0, SW_VLAN_ENABLE, true); + } else { + ksz_cfg(dev, REG_SW_LUE_CTRL_0, SW_VLAN_ENABLE, false); + ksz_port_cfg(dev, port, REG_PORT_LUE_CTRL, + PORT_VLAN_LOOKUP_VID_0, false); + } + + return 0; +} + +int ksz9477_port_vlan_add(struct ksz_device *dev, int port, + const struct switchdev_obj_port_vlan *vlan, + struct netlink_ext_ack *extack) +{ + u32 vlan_table[3]; + bool untagged = vlan->flags & BRIDGE_VLAN_INFO_UNTAGGED; + int err; + + err = ksz9477_get_vlan_table(dev, vlan->vid, vlan_table); + if (err) { + NL_SET_ERR_MSG_MOD(extack, "Failed to get vlan table"); + return err; + } + + vlan_table[0] = VLAN_VALID | (vlan->vid & VLAN_FID_M); + if (untagged) + vlan_table[1] |= BIT(port); + else + vlan_table[1] &= ~BIT(port); + vlan_table[1] &= ~(BIT(dev->cpu_port)); + + vlan_table[2] |= BIT(port) | BIT(dev->cpu_port); + + err = ksz9477_set_vlan_table(dev, vlan->vid, vlan_table); + if (err) { + NL_SET_ERR_MSG_MOD(extack, "Failed to set vlan table"); + return err; + } + + /* change PVID */ + if (vlan->flags & BRIDGE_VLAN_INFO_PVID) + ksz_pwrite16(dev, port, REG_PORT_DEFAULT_VID, vlan->vid); + + return 0; +} + +int ksz9477_port_vlan_del(struct ksz_device *dev, int port, + const struct switchdev_obj_port_vlan *vlan) +{ + bool untagged = vlan->flags & BRIDGE_VLAN_INFO_UNTAGGED; + u32 vlan_table[3]; + u16 pvid; + + ksz_pread16(dev, port, REG_PORT_DEFAULT_VID, &pvid); + pvid = pvid & 0xFFF; + + if (ksz9477_get_vlan_table(dev, vlan->vid, vlan_table)) { + dev_dbg(dev->dev, "Failed to get vlan table\n"); + return -ETIMEDOUT; + } + + vlan_table[2] &= ~BIT(port); + + if (pvid == vlan->vid) + pvid = 1; + + if (untagged) + vlan_table[1] &= ~BIT(port); + + if (ksz9477_set_vlan_table(dev, vlan->vid, vlan_table)) { + dev_dbg(dev->dev, "Failed to set vlan table\n"); + return -ETIMEDOUT; + } + + ksz_pwrite16(dev, port, REG_PORT_DEFAULT_VID, pvid); + + return 0; +} + +int ksz9477_fdb_add(struct ksz_device *dev, int port, + const unsigned char *addr, u16 vid, struct dsa_db db) +{ + u32 alu_table[4]; + u32 data; + int ret = 0; + + mutex_lock(&dev->alu_mutex); + + /* find any entry with mac & vid */ + data = vid << ALU_FID_INDEX_S; + data |= ((addr[0] << 8) | addr[1]); + ksz_write32(dev, REG_SW_ALU_INDEX_0, data); + + data = ((addr[2] << 24) | (addr[3] << 16)); + data |= ((addr[4] << 8) | addr[5]); + ksz_write32(dev, REG_SW_ALU_INDEX_1, data); + + /* start read operation */ + ksz_write32(dev, REG_SW_ALU_CTRL__4, ALU_READ | ALU_START); + + /* wait to be finished */ + ret = ksz9477_wait_alu_ready(dev); + if (ret) { + dev_dbg(dev->dev, "Failed to read ALU\n"); + goto exit; + } + + /* read ALU entry */ + ksz9477_read_table(dev, alu_table); + + /* update ALU entry */ + alu_table[0] = ALU_V_STATIC_VALID; + alu_table[1] |= BIT(port); + if (vid) + alu_table[1] |= ALU_V_USE_FID; + alu_table[2] = (vid << ALU_V_FID_S); + alu_table[2] |= ((addr[0] << 8) | addr[1]); + alu_table[3] = ((addr[2] << 24) | (addr[3] << 16)); + alu_table[3] |= ((addr[4] << 8) | addr[5]); + + ksz9477_write_table(dev, alu_table); + + ksz_write32(dev, REG_SW_ALU_CTRL__4, ALU_WRITE | ALU_START); + + /* wait to be finished */ + ret = ksz9477_wait_alu_ready(dev); + if (ret) + dev_dbg(dev->dev, "Failed to write ALU\n"); + +exit: + mutex_unlock(&dev->alu_mutex); + + return ret; +} + +int ksz9477_fdb_del(struct ksz_device *dev, int port, + const unsigned char *addr, u16 vid, struct dsa_db db) +{ + u32 alu_table[4]; + u32 data; + int ret = 0; + + mutex_lock(&dev->alu_mutex); + + /* read any entry with mac & vid */ + data = vid << ALU_FID_INDEX_S; + data |= ((addr[0] << 8) | addr[1]); + ksz_write32(dev, REG_SW_ALU_INDEX_0, data); + + data = ((addr[2] << 24) | (addr[3] << 16)); + data |= ((addr[4] << 8) | addr[5]); + ksz_write32(dev, REG_SW_ALU_INDEX_1, data); + + /* start read operation */ + ksz_write32(dev, REG_SW_ALU_CTRL__4, ALU_READ | ALU_START); + + /* wait to be finished */ + ret = ksz9477_wait_alu_ready(dev); + if (ret) { + dev_dbg(dev->dev, "Failed to read ALU\n"); + goto exit; + } + + ksz_read32(dev, REG_SW_ALU_VAL_A, &alu_table[0]); + if (alu_table[0] & ALU_V_STATIC_VALID) { + ksz_read32(dev, REG_SW_ALU_VAL_B, &alu_table[1]); + ksz_read32(dev, REG_SW_ALU_VAL_C, &alu_table[2]); + ksz_read32(dev, REG_SW_ALU_VAL_D, &alu_table[3]); + + /* clear forwarding port */ + alu_table[1] &= ~BIT(port); + + /* if there is no port to forward, clear table */ + if ((alu_table[1] & ALU_V_PORT_MAP) == 0) { + alu_table[0] = 0; + alu_table[1] = 0; + alu_table[2] = 0; + alu_table[3] = 0; + } + } else { + alu_table[0] = 0; + alu_table[1] = 0; + alu_table[2] = 0; + alu_table[3] = 0; + } + + ksz9477_write_table(dev, alu_table); + + ksz_write32(dev, REG_SW_ALU_CTRL__4, ALU_WRITE | ALU_START); + + /* wait to be finished */ + ret = ksz9477_wait_alu_ready(dev); + if (ret) + dev_dbg(dev->dev, "Failed to write ALU\n"); + +exit: + mutex_unlock(&dev->alu_mutex); + + return ret; +} + +static void ksz9477_convert_alu(struct alu_struct *alu, u32 *alu_table) +{ + alu->is_static = !!(alu_table[0] & ALU_V_STATIC_VALID); + alu->is_src_filter = !!(alu_table[0] & ALU_V_SRC_FILTER); + alu->is_dst_filter = !!(alu_table[0] & ALU_V_DST_FILTER); + alu->prio_age = (alu_table[0] >> ALU_V_PRIO_AGE_CNT_S) & + ALU_V_PRIO_AGE_CNT_M; + alu->mstp = alu_table[0] & ALU_V_MSTP_M; + + alu->is_override = !!(alu_table[1] & ALU_V_OVERRIDE); + alu->is_use_fid = !!(alu_table[1] & ALU_V_USE_FID); + alu->port_forward = alu_table[1] & ALU_V_PORT_MAP; + + alu->fid = (alu_table[2] >> ALU_V_FID_S) & ALU_V_FID_M; + + alu->mac[0] = (alu_table[2] >> 8) & 0xFF; + alu->mac[1] = alu_table[2] & 0xFF; + alu->mac[2] = (alu_table[3] >> 24) & 0xFF; + alu->mac[3] = (alu_table[3] >> 16) & 0xFF; + alu->mac[4] = (alu_table[3] >> 8) & 0xFF; + alu->mac[5] = alu_table[3] & 0xFF; +} + +int ksz9477_fdb_dump(struct ksz_device *dev, int port, + dsa_fdb_dump_cb_t *cb, void *data) +{ + int ret = 0; + u32 ksz_data; + u32 alu_table[4]; + struct alu_struct alu; + int timeout; + + mutex_lock(&dev->alu_mutex); + + /* start ALU search */ + ksz_write32(dev, REG_SW_ALU_CTRL__4, ALU_START | ALU_SEARCH); + + do { + timeout = 1000; + do { + ksz_read32(dev, REG_SW_ALU_CTRL__4, &ksz_data); + if ((ksz_data & ALU_VALID) || !(ksz_data & ALU_START)) + break; + usleep_range(1, 10); + } while (timeout-- > 0); + + if (!timeout) { + dev_dbg(dev->dev, "Failed to search ALU\n"); + ret = -ETIMEDOUT; + goto exit; + } + + if (!(ksz_data & ALU_VALID)) + continue; + + /* read ALU table */ + ksz9477_read_table(dev, alu_table); + + ksz9477_convert_alu(&alu, alu_table); + + if (alu.port_forward & BIT(port)) { + ret = cb(alu.mac, alu.fid, alu.is_static, data); + if (ret) + goto exit; + } + } while (ksz_data & ALU_START); + +exit: + + /* stop ALU search */ + ksz_write32(dev, REG_SW_ALU_CTRL__4, 0); + + mutex_unlock(&dev->alu_mutex); + + return ret; +} + +int ksz9477_mdb_add(struct ksz_device *dev, int port, + const struct switchdev_obj_port_mdb *mdb, struct dsa_db db) +{ + u32 static_table[4]; + const u8 *shifts; + const u32 *masks; + u32 data; + int index; + u32 mac_hi, mac_lo; + int err = 0; + + shifts = dev->info->shifts; + masks = dev->info->masks; + + mac_hi = ((mdb->addr[0] << 8) | mdb->addr[1]); + mac_lo = ((mdb->addr[2] << 24) | (mdb->addr[3] << 16)); + mac_lo |= ((mdb->addr[4] << 8) | mdb->addr[5]); + + mutex_lock(&dev->alu_mutex); + + for (index = 0; index < dev->info->num_statics; index++) { + /* find empty slot first */ + data = (index << shifts[ALU_STAT_INDEX]) | + masks[ALU_STAT_READ] | ALU_STAT_START; + ksz_write32(dev, REG_SW_ALU_STAT_CTRL__4, data); + + /* wait to be finished */ + err = ksz9477_wait_alu_sta_ready(dev); + if (err) { + dev_dbg(dev->dev, "Failed to read ALU STATIC\n"); + goto exit; + } + + /* read ALU static table */ + ksz9477_read_table(dev, static_table); + + if (static_table[0] & ALU_V_STATIC_VALID) { + /* check this has same vid & mac address */ + if (((static_table[2] >> ALU_V_FID_S) == mdb->vid) && + ((static_table[2] & ALU_V_MAC_ADDR_HI) == mac_hi) && + static_table[3] == mac_lo) { + /* found matching one */ + break; + } + } else { + /* found empty one */ + break; + } + } + + /* no available entry */ + if (index == dev->info->num_statics) { + err = -ENOSPC; + goto exit; + } + + /* add entry */ + static_table[0] = ALU_V_STATIC_VALID; + static_table[1] |= BIT(port); + if (mdb->vid) + static_table[1] |= ALU_V_USE_FID; + static_table[2] = (mdb->vid << ALU_V_FID_S); + static_table[2] |= mac_hi; + static_table[3] = mac_lo; + + ksz9477_write_table(dev, static_table); + + data = (index << shifts[ALU_STAT_INDEX]) | ALU_STAT_START; + ksz_write32(dev, REG_SW_ALU_STAT_CTRL__4, data); + + /* wait to be finished */ + if (ksz9477_wait_alu_sta_ready(dev)) + dev_dbg(dev->dev, "Failed to read ALU STATIC\n"); + +exit: + mutex_unlock(&dev->alu_mutex); + return err; +} + +int ksz9477_mdb_del(struct ksz_device *dev, int port, + const struct switchdev_obj_port_mdb *mdb, struct dsa_db db) +{ + u32 static_table[4]; + const u8 *shifts; + const u32 *masks; + u32 data; + int index; + int ret = 0; + u32 mac_hi, mac_lo; + + shifts = dev->info->shifts; + masks = dev->info->masks; + + mac_hi = ((mdb->addr[0] << 8) | mdb->addr[1]); + mac_lo = ((mdb->addr[2] << 24) | (mdb->addr[3] << 16)); + mac_lo |= ((mdb->addr[4] << 8) | mdb->addr[5]); + + mutex_lock(&dev->alu_mutex); + + for (index = 0; index < dev->info->num_statics; index++) { + /* find empty slot first */ + data = (index << shifts[ALU_STAT_INDEX]) | + masks[ALU_STAT_READ] | ALU_STAT_START; + ksz_write32(dev, REG_SW_ALU_STAT_CTRL__4, data); + + /* wait to be finished */ + ret = ksz9477_wait_alu_sta_ready(dev); + if (ret) { + dev_dbg(dev->dev, "Failed to read ALU STATIC\n"); + goto exit; + } + + /* read ALU static table */ + ksz9477_read_table(dev, static_table); + + if (static_table[0] & ALU_V_STATIC_VALID) { + /* check this has same vid & mac address */ + + if (((static_table[2] >> ALU_V_FID_S) == mdb->vid) && + ((static_table[2] & ALU_V_MAC_ADDR_HI) == mac_hi) && + static_table[3] == mac_lo) { + /* found matching one */ + break; + } + } + } + + /* no available entry */ + if (index == dev->info->num_statics) + goto exit; + + /* clear port */ + static_table[1] &= ~BIT(port); + + if ((static_table[1] & ALU_V_PORT_MAP) == 0) { + /* delete entry */ + static_table[0] = 0; + static_table[1] = 0; + static_table[2] = 0; + static_table[3] = 0; + } + + ksz9477_write_table(dev, static_table); + + data = (index << shifts[ALU_STAT_INDEX]) | ALU_STAT_START; + ksz_write32(dev, REG_SW_ALU_STAT_CTRL__4, data); + + /* wait to be finished */ + ret = ksz9477_wait_alu_sta_ready(dev); + if (ret) + dev_dbg(dev->dev, "Failed to read ALU STATIC\n"); + +exit: + mutex_unlock(&dev->alu_mutex); + + return ret; +} + +int ksz9477_port_mirror_add(struct ksz_device *dev, int port, + struct dsa_mall_mirror_tc_entry *mirror, + bool ingress, struct netlink_ext_ack *extack) +{ + u8 data; + int p; + + /* Limit to one sniffer port + * Check if any of the port is already set for sniffing + * If yes, instruct the user to remove the previous entry & exit + */ + for (p = 0; p < dev->info->port_cnt; p++) { + /* Skip the current sniffing port */ + if (p == mirror->to_local_port) + continue; + + ksz_pread8(dev, p, P_MIRROR_CTRL, &data); + + if (data & PORT_MIRROR_SNIFFER) { + NL_SET_ERR_MSG_MOD(extack, + "Sniffer port is already configured, delete existing rules & retry"); + return -EBUSY; + } + } + + if (ingress) + ksz_port_cfg(dev, port, P_MIRROR_CTRL, PORT_MIRROR_RX, true); + else + ksz_port_cfg(dev, port, P_MIRROR_CTRL, PORT_MIRROR_TX, true); + + /* configure mirror port */ + ksz_port_cfg(dev, mirror->to_local_port, P_MIRROR_CTRL, + PORT_MIRROR_SNIFFER, true); + + ksz_cfg(dev, S_MIRROR_CTRL, SW_MIRROR_RX_TX, false); + + return 0; +} + +void ksz9477_port_mirror_del(struct ksz_device *dev, int port, + struct dsa_mall_mirror_tc_entry *mirror) +{ + bool in_use = false; + u8 data; + int p; + + if (mirror->ingress) + ksz_port_cfg(dev, port, P_MIRROR_CTRL, PORT_MIRROR_RX, false); + else + ksz_port_cfg(dev, port, P_MIRROR_CTRL, PORT_MIRROR_TX, false); + + + /* Check if any of the port is still referring to sniffer port */ + for (p = 0; p < dev->info->port_cnt; p++) { + ksz_pread8(dev, p, P_MIRROR_CTRL, &data); + + if ((data & (PORT_MIRROR_RX | PORT_MIRROR_TX))) { + in_use = true; + break; + } + } + + /* delete sniffing if there are no other mirroring rules */ + if (!in_use) + ksz_port_cfg(dev, mirror->to_local_port, P_MIRROR_CTRL, + PORT_MIRROR_SNIFFER, false); +} + +static phy_interface_t ksz9477_get_interface(struct ksz_device *dev, int port) +{ + phy_interface_t interface; + bool gbit; + + if (dev->info->internal_phy[port]) + return PHY_INTERFACE_MODE_NA; + + gbit = ksz_get_gbit(dev, port); + + interface = ksz_get_xmii(dev, port, gbit); + + return interface; +} + +static void ksz9477_port_mmd_write(struct ksz_device *dev, int port, + u8 dev_addr, u16 reg_addr, u16 val) +{ + ksz_pwrite16(dev, port, REG_PORT_PHY_MMD_SETUP, + MMD_SETUP(PORT_MMD_OP_INDEX, dev_addr)); + ksz_pwrite16(dev, port, REG_PORT_PHY_MMD_INDEX_DATA, reg_addr); + ksz_pwrite16(dev, port, REG_PORT_PHY_MMD_SETUP, + MMD_SETUP(PORT_MMD_OP_DATA_NO_INCR, dev_addr)); + ksz_pwrite16(dev, port, REG_PORT_PHY_MMD_INDEX_DATA, val); +} + +static void ksz9477_phy_errata_setup(struct ksz_device *dev, int port) +{ + /* Apply PHY settings to address errata listed in + * KSZ9477, KSZ9897, KSZ9896, KSZ9567, KSZ8565 + * Silicon Errata and Data Sheet Clarification documents: + * + * Register settings are needed to improve PHY receive performance + */ + ksz9477_port_mmd_write(dev, port, 0x01, 0x6f, 0xdd0b); + ksz9477_port_mmd_write(dev, port, 0x01, 0x8f, 0x6032); + ksz9477_port_mmd_write(dev, port, 0x01, 0x9d, 0x248c); + ksz9477_port_mmd_write(dev, port, 0x01, 0x75, 0x0060); + ksz9477_port_mmd_write(dev, port, 0x01, 0xd3, 0x7777); + ksz9477_port_mmd_write(dev, port, 0x1c, 0x06, 0x3008); + ksz9477_port_mmd_write(dev, port, 0x1c, 0x08, 0x2001); + + /* Transmit waveform amplitude can be improved + * (1000BASE-T, 100BASE-TX, 10BASE-Te) + */ + ksz9477_port_mmd_write(dev, port, 0x1c, 0x04, 0x00d0); + + /* Energy Efficient Ethernet (EEE) feature select must + * be manually disabled (except on KSZ8565 which is 100Mbit) + */ + if (dev->info->gbit_capable[port]) + ksz9477_port_mmd_write(dev, port, 0x07, 0x3c, 0x0000); + + /* Register settings are required to meet data sheet + * supply current specifications + */ + ksz9477_port_mmd_write(dev, port, 0x1c, 0x13, 0x6eff); + ksz9477_port_mmd_write(dev, port, 0x1c, 0x14, 0xe6ff); + ksz9477_port_mmd_write(dev, port, 0x1c, 0x15, 0x6eff); + ksz9477_port_mmd_write(dev, port, 0x1c, 0x16, 0xe6ff); + ksz9477_port_mmd_write(dev, port, 0x1c, 0x17, 0x00ff); + ksz9477_port_mmd_write(dev, port, 0x1c, 0x18, 0x43ff); + ksz9477_port_mmd_write(dev, port, 0x1c, 0x19, 0xc3ff); + ksz9477_port_mmd_write(dev, port, 0x1c, 0x1a, 0x6fff); + ksz9477_port_mmd_write(dev, port, 0x1c, 0x1b, 0x07ff); + ksz9477_port_mmd_write(dev, port, 0x1c, 0x1c, 0x0fff); + ksz9477_port_mmd_write(dev, port, 0x1c, 0x1d, 0xe7ff); + ksz9477_port_mmd_write(dev, port, 0x1c, 0x1e, 0xefff); + ksz9477_port_mmd_write(dev, port, 0x1c, 0x20, 0xeeee); +} + +void ksz9477_get_caps(struct ksz_device *dev, int port, + struct phylink_config *config) +{ + config->mac_capabilities = MAC_10 | MAC_100 | MAC_ASYM_PAUSE | + MAC_SYM_PAUSE; + + if (dev->info->gbit_capable[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; + u16 data16; + u8 member; + + /* enable tag tail for host port */ + if (cpu_port) + ksz_port_cfg(dev, port, REG_PORT_CTRL_0, PORT_TAIL_TAG_ENABLE, + true); + + ksz_port_cfg(dev, port, REG_PORT_CTRL_0, PORT_MAC_LOOPBACK, false); + + /* set back pressure */ + ksz_port_cfg(dev, port, REG_PORT_MAC_CTRL_1, PORT_BACK_PRESSURE, true); + + /* enable broadcast storm limit */ + ksz_port_cfg(dev, port, P_BCAST_STORM_CTRL, PORT_BROADCAST_STORM, true); + + /* disable DiffServ priority */ + ksz_port_cfg(dev, port, P_PRIO_CTRL, PORT_DIFFSERV_PRIO_ENABLE, false); + + /* replace priority */ + ksz_port_cfg(dev, port, REG_PORT_MRI_MAC_CTRL, PORT_USER_PRIO_CEILING, + false); + ksz9477_port_cfg32(dev, port, REG_PORT_MTI_QUEUE_CTRL_0__4, + MTI_PVID_REPLACE, false); + + /* enable 802.1p priority */ + ksz_port_cfg(dev, port, P_PRIO_CTRL, PORT_802_1P_PRIO_ENABLE, true); + + if (dev->info->internal_phy[port]) { + /* do not force flow control */ + ksz_port_cfg(dev, port, REG_PORT_CTRL_0, + PORT_FORCE_TX_FLOW_CTRL | PORT_FORCE_RX_FLOW_CTRL, + false); + + if (dev->info->phy_errata_9477) + ksz9477_phy_errata_setup(dev, port); + } else { + /* force flow control */ + ksz_port_cfg(dev, port, REG_PORT_CTRL_0, + PORT_FORCE_TX_FLOW_CTRL | PORT_FORCE_RX_FLOW_CTRL, + true); + } + + if (cpu_port) + member = dsa_user_ports(ds); + else + member = BIT(dsa_upstream_port(ds, port)); + + ksz9477_cfg_port_member(dev, port, member); + + /* clear pending interrupts */ + if (dev->info->internal_phy[port]) + ksz_pread16(dev, port, REG_PORT_PHY_INT_ENABLE, &data16); +} + +void ksz9477_config_cpu_port(struct dsa_switch *ds) +{ + struct ksz_device *dev = ds->priv; + struct ksz_port *p; + int i; + + for (i = 0; i < dev->info->port_cnt; i++) { + if (dsa_is_cpu_port(ds, i) && + (dev->info->cpu_ports & (1 << i))) { + phy_interface_t interface; + const char *prev_msg; + const char *prev_mode; + + dev->cpu_port = i; + p = &dev->ports[i]; + + /* Read from XMII register to determine host port + * interface. If set specifically in device tree + * note the difference to help debugging. + */ + interface = ksz9477_get_interface(dev, i); + if (!p->interface) { + if (dev->compat_interface) { + dev_warn(dev->dev, + "Using legacy switch \"phy-mode\" property, because it is missing on port %d node. " + "Please update your device tree.\n", + i); + p->interface = dev->compat_interface; + } else { + p->interface = interface; + } + } + if (interface && interface != p->interface) { + prev_msg = " instead of "; + prev_mode = phy_modes(interface); + } else { + prev_msg = ""; + prev_mode = ""; + } + dev_info(dev->dev, + "Port%d: using phy mode %s%s%s\n", + i, + phy_modes(p->interface), + prev_msg, + prev_mode); + + /* enable cpu port */ + ksz9477_port_setup(dev, i, true); + } + } + + for (i = 0; i < dev->info->port_cnt; i++) { + if (i == dev->cpu_port) + continue; + ksz_port_stp_state_set(ds, i, BR_STATE_DISABLED); + } +} + +int ksz9477_enable_stp_addr(struct ksz_device *dev) +{ + const u32 *masks; + u32 data; + int ret; + + masks = dev->info->masks; + + /* Enable Reserved multicast table */ + ksz_cfg(dev, REG_SW_LUE_CTRL_0, SW_RESV_MCAST_ENABLE, true); + + /* Set the Override bit for forwarding BPDU packet to CPU */ + ret = ksz_write32(dev, REG_SW_ALU_VAL_B, + ALU_V_OVERRIDE | BIT(dev->cpu_port)); + if (ret < 0) + return ret; + + data = ALU_STAT_START | ALU_RESV_MCAST_ADDR | masks[ALU_STAT_WRITE]; + + ret = ksz_write32(dev, REG_SW_ALU_STAT_CTRL__4, data); + if (ret < 0) + return ret; + + /* wait to be finished */ + ret = ksz9477_wait_alu_sta_ready(dev); + if (ret < 0) { + dev_err(dev->dev, "Failed to update Reserved Multicast table\n"); + return ret; + } + + return 0; +} + +int ksz9477_setup(struct dsa_switch *ds) +{ + struct ksz_device *dev = ds->priv; + int ret = 0; + + /* Required for port partitioning. */ + ksz9477_cfg32(dev, REG_SW_QM_CTRL__4, UNICAST_VLAN_BOUNDARY, + true); + + /* Do not work correctly with tail tagging. */ + ksz_cfg(dev, REG_SW_MAC_CTRL_0, SW_CHECK_LENGTH, false); + + /* Enable REG_SW_MTU__2 reg by setting SW_JUMBO_PACKET */ + ksz_cfg(dev, REG_SW_MAC_CTRL_1, SW_JUMBO_PACKET, true); + + /* Now we can configure default MTU value */ + ret = regmap_update_bits(dev->regmap[1], REG_SW_MTU__2, REG_SW_MTU_MASK, + VLAN_ETH_FRAME_LEN + ETH_FCS_LEN); + if (ret) + return ret; + + /* queue based egress rate limit */ + ksz_cfg(dev, REG_SW_MAC_CTRL_5, SW_OUT_RATE_LIMIT_QUEUE_BASED, true); + + /* enable global MIB counter freeze function */ + ksz_cfg(dev, REG_SW_MAC_CTRL_6, SW_MIB_COUNTER_FREEZE, true); + + return 0; +} + +u32 ksz9477_get_port_addr(int port, int offset) +{ + return PORT_CTRL_ADDR(port, offset); +} + +int ksz9477_switch_init(struct ksz_device *dev) +{ + u8 data8; + int ret; + + dev->port_mask = (1 << dev->info->port_cnt) - 1; + + /* turn off SPI DO Edge select */ + ret = ksz_read8(dev, REG_SW_GLOBAL_SERIAL_CTRL_0, &data8); + if (ret) + return ret; + + data8 &= ~SPI_AUTO_EDGE_DETECTION; + ret = ksz_write8(dev, REG_SW_GLOBAL_SERIAL_CTRL_0, data8); + if (ret) + return ret; + + return 0; +} + +void ksz9477_switch_exit(struct ksz_device *dev) +{ + ksz9477_reset_switch(dev); +} + +MODULE_AUTHOR("Woojung Huh <Woojung.Huh@microchip.com>"); +MODULE_DESCRIPTION("Microchip KSZ9477 Series Switch DSA Driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/net/dsa/microchip/ksz9477.h b/drivers/net/dsa/microchip/ksz9477.h new file mode 100644 index 000000000..00862c4cf --- /dev/null +++ b/drivers/net/dsa/microchip/ksz9477.h @@ -0,0 +1,61 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Microchip KSZ9477 series Header file + * + * Copyright (C) 2017-2022 Microchip Technology Inc. + */ + +#ifndef __KSZ9477_H +#define __KSZ9477_H + +#include <net/dsa.h> +#include "ksz_common.h" + +int ksz9477_setup(struct dsa_switch *ds); +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); +void ksz9477_r_mib_pkt(struct ksz_device *dev, int port, u16 addr, + u64 *dropped, u64 *cnt); +void ksz9477_freeze_mib(struct ksz_device *dev, int port, bool freeze); +void ksz9477_port_init_cnt(struct ksz_device *dev, int port); +int ksz9477_port_vlan_filtering(struct ksz_device *dev, int port, + bool flag, struct netlink_ext_ack *extack); +int ksz9477_port_vlan_add(struct ksz_device *dev, int port, + const struct switchdev_obj_port_vlan *vlan, + struct netlink_ext_ack *extack); +int ksz9477_port_vlan_del(struct ksz_device *dev, int port, + const struct switchdev_obj_port_vlan *vlan); +int ksz9477_port_mirror_add(struct ksz_device *dev, int port, + struct dsa_mall_mirror_tc_entry *mirror, + bool ingress, struct netlink_ext_ack *extack); +void ksz9477_port_mirror_del(struct ksz_device *dev, int port, + struct dsa_mall_mirror_tc_entry *mirror); +int ksz9477_get_stp_reg(void); +void ksz9477_get_caps(struct ksz_device *dev, int port, + struct phylink_config *config); +int ksz9477_fdb_dump(struct ksz_device *dev, int port, + dsa_fdb_dump_cb_t *cb, void *data); +int ksz9477_fdb_add(struct ksz_device *dev, int port, + const unsigned char *addr, u16 vid, struct dsa_db db); +int ksz9477_fdb_del(struct ksz_device *dev, int port, + const unsigned char *addr, u16 vid, struct dsa_db db); +int ksz9477_mdb_add(struct ksz_device *dev, int port, + const struct switchdev_obj_port_mdb *mdb, struct dsa_db db); +int ksz9477_mdb_del(struct ksz_device *dev, int port, + const struct switchdev_obj_port_mdb *mdb, struct dsa_db db); +int ksz9477_change_mtu(struct ksz_device *dev, int port, int mtu); +int ksz9477_max_mtu(struct ksz_device *dev, int port); +void ksz9477_config_cpu_port(struct dsa_switch *ds); +int ksz9477_enable_stp_addr(struct ksz_device *dev); +int ksz9477_reset_switch(struct ksz_device *dev); +int ksz9477_dsa_init(struct ksz_device *dev); +int ksz9477_switch_init(struct ksz_device *dev); +void ksz9477_switch_exit(struct ksz_device *dev); + +#endif diff --git a/drivers/net/dsa/microchip/ksz9477_i2c.c b/drivers/net/dsa/microchip/ksz9477_i2c.c new file mode 100644 index 000000000..aae1dadef --- /dev/null +++ b/drivers/net/dsa/microchip/ksz9477_i2c.c @@ -0,0 +1,133 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Microchip KSZ9477 series register access through I2C + * + * Copyright (C) 2018-2019 Microchip Technology Inc. + */ + +#include <linux/i2c.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/regmap.h> + +#include "ksz_common.h" + +KSZ_REGMAP_TABLE(ksz9477, not_used, 16, 0, 0); + +static int ksz9477_i2c_probe(struct i2c_client *i2c, + const struct i2c_device_id *i2c_id) +{ + struct regmap_config rc; + struct ksz_device *dev; + int i, ret; + + dev = ksz_switch_alloc(&i2c->dev, i2c); + if (!dev) + return -ENOMEM; + + for (i = 0; i < ARRAY_SIZE(ksz9477_regmap_config); i++) { + rc = ksz9477_regmap_config[i]; + rc.lock_arg = &dev->regmap_mutex; + dev->regmap[i] = devm_regmap_init_i2c(i2c, &rc); + if (IS_ERR(dev->regmap[i])) { + ret = PTR_ERR(dev->regmap[i]); + dev_err(&i2c->dev, + "Failed to initialize regmap%i: %d\n", + ksz9477_regmap_config[i].val_bits, ret); + return ret; + } + } + + if (i2c->dev.platform_data) + dev->pdata = i2c->dev.platform_data; + + ret = ksz_switch_register(dev); + + /* Main DSA driver may not be started yet. */ + if (ret) + return ret; + + i2c_set_clientdata(i2c, dev); + + return 0; +} + +static void ksz9477_i2c_remove(struct i2c_client *i2c) +{ + struct ksz_device *dev = i2c_get_clientdata(i2c); + + if (dev) + ksz_switch_remove(dev); +} + +static void ksz9477_i2c_shutdown(struct i2c_client *i2c) +{ + struct ksz_device *dev = i2c_get_clientdata(i2c); + + if (!dev) + return; + + if (dev->dev_ops->reset) + dev->dev_ops->reset(dev); + + dsa_switch_shutdown(dev->ds); + + i2c_set_clientdata(i2c, NULL); +} + +static const struct i2c_device_id ksz9477_i2c_id[] = { + { "ksz9477-switch", 0 }, + {}, +}; + +MODULE_DEVICE_TABLE(i2c, ksz9477_i2c_id); + +static const struct of_device_id ksz9477_dt_ids[] = { + { + .compatible = "microchip,ksz9477", + .data = &ksz_switch_chips[KSZ9477] + }, + { + .compatible = "microchip,ksz9896", + .data = &ksz_switch_chips[KSZ9896] + }, + { + .compatible = "microchip,ksz9897", + .data = &ksz_switch_chips[KSZ9897] + }, + { + .compatible = "microchip,ksz9893", + .data = &ksz_switch_chips[KSZ9893] + }, + { + .compatible = "microchip,ksz9563", + .data = &ksz_switch_chips[KSZ9893] + }, + { + .compatible = "microchip,ksz8563", + .data = &ksz_switch_chips[KSZ8563] + }, + { + .compatible = "microchip,ksz9567", + .data = &ksz_switch_chips[KSZ9567] + }, + {}, +}; +MODULE_DEVICE_TABLE(of, ksz9477_dt_ids); + +static struct i2c_driver ksz9477_i2c_driver = { + .driver = { + .name = "ksz9477-switch", + .of_match_table = of_match_ptr(ksz9477_dt_ids), + }, + .probe = ksz9477_i2c_probe, + .remove = ksz9477_i2c_remove, + .shutdown = ksz9477_i2c_shutdown, + .id_table = ksz9477_i2c_id, +}; + +module_i2c_driver(ksz9477_i2c_driver); + +MODULE_AUTHOR("Tristram Ha <Tristram.Ha@microchip.com>"); +MODULE_DESCRIPTION("Microchip KSZ9477 Series Switch I2C access Driver"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/net/dsa/microchip/ksz9477_reg.h b/drivers/net/dsa/microchip/ksz9477_reg.h new file mode 100644 index 000000000..53c68d286 --- /dev/null +++ b/drivers/net/dsa/microchip/ksz9477_reg.h @@ -0,0 +1,1620 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Microchip KSZ9477 register definitions + * + * Copyright (C) 2017-2018 Microchip Technology Inc. + */ + +#ifndef __KSZ9477_REGS_H +#define __KSZ9477_REGS_H + +#define KS_PRIO_M 0x7 +#define KS_PRIO_S 4 + +/* 0 - Operation */ +#define REG_CHIP_ID0__1 0x0000 + +#define REG_CHIP_ID1__1 0x0001 + +#define FAMILY_ID 0x95 +#define FAMILY_ID_94 0x94 +#define FAMILY_ID_95 0x95 +#define FAMILY_ID_85 0x85 +#define FAMILY_ID_98 0x98 +#define FAMILY_ID_88 0x88 + +#define REG_CHIP_ID2__1 0x0002 + +#define CHIP_ID_66 0x66 +#define CHIP_ID_67 0x67 +#define CHIP_ID_77 0x77 +#define CHIP_ID_93 0x93 +#define CHIP_ID_96 0x96 +#define CHIP_ID_97 0x97 + +#define REG_CHIP_ID3__1 0x0003 + +#define SWITCH_REVISION_M 0x0F +#define SWITCH_REVISION_S 4 +#define SWITCH_RESET 0x01 + +#define REG_SW_PME_CTRL 0x0006 + +#define PME_ENABLE BIT(1) +#define PME_POLARITY BIT(0) + +#define REG_GLOBAL_OPTIONS 0x000F + +#define SW_GIGABIT_ABLE BIT(6) +#define SW_REDUNDANCY_ABLE BIT(5) +#define SW_AVB_ABLE BIT(4) +#define SW_9567_RL_5_2 0xC +#define SW_9477_SL_5_2 0xD + +#define SW_9896_GL_5_1 0xB +#define SW_9896_RL_5_1 0x8 +#define SW_9896_SL_5_1 0x9 + +#define SW_9895_GL_4_1 0x7 +#define SW_9895_RL_4_1 0x4 +#define SW_9895_SL_4_1 0x5 + +#define SW_9896_RL_4_2 0x6 + +#define SW_9893_RL_2_1 0x0 +#define SW_9893_SL_2_1 0x1 +#define SW_9893_GL_2_1 0x3 + +#define SW_QW_ABLE BIT(5) +#define SW_9893_RN_2_1 0xC + +#define REG_SW_INT_STATUS__4 0x0010 +#define REG_SW_INT_MASK__4 0x0014 + +#define LUE_INT BIT(31) +#define TRIG_TS_INT BIT(30) +#define APB_TIMEOUT_INT BIT(29) + +#define SWITCH_INT_MASK (TRIG_TS_INT | APB_TIMEOUT_INT) + +#define REG_SW_PORT_INT_STATUS__4 0x0018 +#define REG_SW_PORT_INT_MASK__4 0x001C +#define REG_SW_PHY_INT_STATUS 0x0020 +#define REG_SW_PHY_INT_ENABLE 0x0024 + +/* 1 - Global */ +#define REG_SW_GLOBAL_SERIAL_CTRL_0 0x0100 +#define SW_SPARE_REG_2 BIT(7) +#define SW_SPARE_REG_1 BIT(6) +#define SW_SPARE_REG_0 BIT(5) +#define SW_BIG_ENDIAN BIT(4) +#define SPI_AUTO_EDGE_DETECTION BIT(1) +#define SPI_CLOCK_OUT_RISING_EDGE BIT(0) + +#define REG_SW_GLOBAL_OUTPUT_CTRL__1 0x0103 +#define SW_ENABLE_REFCLKO BIT(1) +#define SW_REFCLKO_IS_125MHZ BIT(0) + +#define REG_SW_IBA__4 0x0104 + +#define SW_IBA_ENABLE BIT(31) +#define SW_IBA_DA_MATCH BIT(30) +#define SW_IBA_INIT BIT(29) +#define SW_IBA_QID_M 0xF +#define SW_IBA_QID_S 22 +#define SW_IBA_PORT_M 0x2F +#define SW_IBA_PORT_S 16 +#define SW_IBA_FRAME_TPID_M 0xFFFF + +#define REG_SW_APB_TIMEOUT_ADDR__4 0x0108 + +#define APB_TIMEOUT_ACKNOWLEDGE BIT(31) + +#define REG_SW_IBA_SYNC__1 0x010C + +#define REG_SW_IO_STRENGTH__1 0x010D +#define SW_DRIVE_STRENGTH_M 0x7 +#define SW_DRIVE_STRENGTH_2MA 0 +#define SW_DRIVE_STRENGTH_4MA 1 +#define SW_DRIVE_STRENGTH_8MA 2 +#define SW_DRIVE_STRENGTH_12MA 3 +#define SW_DRIVE_STRENGTH_16MA 4 +#define SW_DRIVE_STRENGTH_20MA 5 +#define SW_DRIVE_STRENGTH_24MA 6 +#define SW_DRIVE_STRENGTH_28MA 7 +#define SW_HI_SPEED_DRIVE_STRENGTH_S 4 +#define SW_LO_SPEED_DRIVE_STRENGTH_S 0 + +#define REG_SW_IBA_STATUS__4 0x0110 + +#define SW_IBA_REQ BIT(31) +#define SW_IBA_RESP BIT(30) +#define SW_IBA_DA_MISMATCH BIT(14) +#define SW_IBA_FMT_MISMATCH BIT(13) +#define SW_IBA_CODE_ERROR BIT(12) +#define SW_IBA_CMD_ERROR BIT(11) +#define SW_IBA_CMD_LOC_M (BIT(6) - 1) + +#define REG_SW_IBA_STATES__4 0x0114 + +#define SW_IBA_BUF_STATE_S 30 +#define SW_IBA_CMD_STATE_S 28 +#define SW_IBA_RESP_STATE_S 26 +#define SW_IBA_STATE_M 0x3 +#define SW_IBA_PACKET_SIZE_M 0x7F +#define SW_IBA_PACKET_SIZE_S 16 +#define SW_IBA_FMT_ID_M 0xFFFF + +#define REG_SW_IBA_RESULT__4 0x0118 + +#define SW_IBA_SIZE_S 24 + +#define SW_IBA_RETRY_CNT_M (BIT(5) - 1) + +/* 2 - PHY */ +#define REG_SW_POWER_MANAGEMENT_CTRL 0x0201 + +#define SW_PLL_POWER_DOWN BIT(5) +#define SW_POWER_DOWN_MODE 0x3 +#define SW_ENERGY_DETECTION 1 +#define SW_SOFT_POWER_DOWN 2 +#define SW_POWER_SAVING 3 + +/* 3 - Operation Control */ +#define REG_SW_OPERATION 0x0300 + +#define SW_DOUBLE_TAG BIT(7) +#define SW_RESET BIT(1) + +#define REG_SW_MAC_ADDR_0 0x0302 +#define REG_SW_MAC_ADDR_1 0x0303 +#define REG_SW_MAC_ADDR_2 0x0304 +#define REG_SW_MAC_ADDR_3 0x0305 +#define REG_SW_MAC_ADDR_4 0x0306 +#define REG_SW_MAC_ADDR_5 0x0307 + +#define REG_SW_MTU__2 0x0308 +#define REG_SW_MTU_MASK GENMASK(13, 0) + +#define REG_SW_ISP_TPID__2 0x030A + +#define REG_SW_HSR_TPID__2 0x030C + +#define REG_AVB_STRATEGY__2 0x030E + +#define SW_SHAPING_CREDIT_ACCT BIT(1) +#define SW_POLICING_CREDIT_ACCT BIT(0) + +#define REG_SW_LUE_CTRL_0 0x0310 + +#define SW_VLAN_ENABLE BIT(7) +#define SW_DROP_INVALID_VID BIT(6) +#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 +#define SW_HASH_OPTION_XOR 2 +#define SW_HASH_OPTION_DIRECT 3 + +#define REG_SW_LUE_CTRL_1 0x0311 + +#define UNICAST_LEARN_DISABLE BIT(7) +#define SW_SRC_ADDR_FILTER BIT(6) +#define SW_FLUSH_STP_TABLE BIT(5) +#define SW_FLUSH_MSTP_TABLE BIT(4) +#define SW_FWD_MCAST_SRC_ADDR BIT(3) +#define SW_AGING_ENABLE BIT(2) +#define SW_FAST_AGING BIT(1) +#define SW_LINK_AUTO_AGING BIT(0) + +#define REG_SW_LUE_CTRL_2 0x0312 + +#define SW_TRAP_DOUBLE_TAG BIT(6) +#define SW_EGRESS_VLAN_FILTER_DYN BIT(5) +#define SW_EGRESS_VLAN_FILTER_STA BIT(4) +#define SW_FLUSH_OPTION_M 0x3 +#define SW_FLUSH_OPTION_S 2 +#define SW_FLUSH_OPTION_DYN_MAC 1 +#define SW_FLUSH_OPTION_STA_MAC 2 +#define SW_FLUSH_OPTION_BOTH 3 +#define SW_PRIO_M 0x3 +#define SW_PRIO_DA 0 +#define SW_PRIO_SA 1 +#define SW_PRIO_HIGHEST_DA_SA 2 +#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 + +#define LEARN_FAIL_INT BIT(2) +#define ALMOST_FULL_INT BIT(1) +#define WRITE_FAIL_INT BIT(0) + +#define REG_SW_LUE_INDEX_0__2 0x0316 + +#define ENTRY_INDEX_M 0x0FFF + +#define REG_SW_LUE_INDEX_1__2 0x0318 + +#define FAIL_INDEX_M 0x03FF + +#define REG_SW_LUE_INDEX_2__2 0x031A + +#define REG_SW_LUE_UNK_UCAST_CTRL__4 0x0320 + +#define SW_UNK_UCAST_ENABLE BIT(31) + +#define REG_SW_LUE_UNK_MCAST_CTRL__4 0x0324 + +#define SW_UNK_MCAST_ENABLE BIT(31) + +#define REG_SW_LUE_UNK_VID_CTRL__4 0x0328 + +#define SW_UNK_VID_ENABLE BIT(31) + +#define REG_SW_MAC_CTRL_0 0x0330 + +#define SW_NEW_BACKOFF BIT(7) +#define SW_CHECK_LENGTH BIT(3) +#define SW_PAUSE_UNH_MODE BIT(1) +#define SW_AGGR_BACKOFF BIT(0) + +#define REG_SW_MAC_CTRL_1 0x0331 + +#define SW_BACK_PRESSURE BIT(5) +#define FAIR_FLOW_CTRL BIT(4) +#define NO_EXC_COLLISION_DROP BIT(3) +#define SW_JUMBO_PACKET BIT(2) +#define SW_LEGAL_PACKET_DISABLE BIT(1) +#define SW_PASS_SHORT_FRAME BIT(0) + +#define REG_SW_MAC_CTRL_2 0x0332 + +#define SW_REPLACE_VID BIT(3) + +#define REG_SW_MAC_CTRL_3 0x0333 + +#define REG_SW_MAC_CTRL_4 0x0334 + +#define SW_PASS_PAUSE BIT(3) + +#define REG_SW_MAC_CTRL_5 0x0335 + +#define SW_OUT_RATE_LIMIT_QUEUE_BASED BIT(3) + +#define REG_SW_MAC_CTRL_6 0x0336 + +#define SW_MIB_COUNTER_FLUSH BIT(7) +#define SW_MIB_COUNTER_FREEZE BIT(6) + +#define REG_SW_MAC_802_1P_MAP_0 0x0338 +#define REG_SW_MAC_802_1P_MAP_1 0x0339 +#define REG_SW_MAC_802_1P_MAP_2 0x033A +#define REG_SW_MAC_802_1P_MAP_3 0x033B + +#define SW_802_1P_MAP_M KS_PRIO_M +#define SW_802_1P_MAP_S KS_PRIO_S + +#define REG_SW_MAC_ISP_CTRL 0x033C + +#define REG_SW_MAC_TOS_CTRL 0x033E + +#define SW_TOS_DSCP_REMARK BIT(1) +#define SW_TOS_DSCP_REMAP BIT(0) + +#define REG_SW_MAC_TOS_PRIO_0 0x0340 +#define REG_SW_MAC_TOS_PRIO_1 0x0341 +#define REG_SW_MAC_TOS_PRIO_2 0x0342 +#define REG_SW_MAC_TOS_PRIO_3 0x0343 +#define REG_SW_MAC_TOS_PRIO_4 0x0344 +#define REG_SW_MAC_TOS_PRIO_5 0x0345 +#define REG_SW_MAC_TOS_PRIO_6 0x0346 +#define REG_SW_MAC_TOS_PRIO_7 0x0347 +#define REG_SW_MAC_TOS_PRIO_8 0x0348 +#define REG_SW_MAC_TOS_PRIO_9 0x0349 +#define REG_SW_MAC_TOS_PRIO_10 0x034A +#define REG_SW_MAC_TOS_PRIO_11 0x034B +#define REG_SW_MAC_TOS_PRIO_12 0x034C +#define REG_SW_MAC_TOS_PRIO_13 0x034D +#define REG_SW_MAC_TOS_PRIO_14 0x034E +#define REG_SW_MAC_TOS_PRIO_15 0x034F +#define REG_SW_MAC_TOS_PRIO_16 0x0350 +#define REG_SW_MAC_TOS_PRIO_17 0x0351 +#define REG_SW_MAC_TOS_PRIO_18 0x0352 +#define REG_SW_MAC_TOS_PRIO_19 0x0353 +#define REG_SW_MAC_TOS_PRIO_20 0x0354 +#define REG_SW_MAC_TOS_PRIO_21 0x0355 +#define REG_SW_MAC_TOS_PRIO_22 0x0356 +#define REG_SW_MAC_TOS_PRIO_23 0x0357 +#define REG_SW_MAC_TOS_PRIO_24 0x0358 +#define REG_SW_MAC_TOS_PRIO_25 0x0359 +#define REG_SW_MAC_TOS_PRIO_26 0x035A +#define REG_SW_MAC_TOS_PRIO_27 0x035B +#define REG_SW_MAC_TOS_PRIO_28 0x035C +#define REG_SW_MAC_TOS_PRIO_29 0x035D +#define REG_SW_MAC_TOS_PRIO_30 0x035E +#define REG_SW_MAC_TOS_PRIO_31 0x035F + +#define REG_SW_MRI_CTRL_0 0x0370 + +#define SW_IGMP_SNOOP BIT(6) +#define SW_IPV6_MLD_OPTION BIT(3) +#define SW_IPV6_MLD_SNOOP BIT(2) +#define SW_MIRROR_RX_TX BIT(0) + +#define REG_SW_CLASS_D_IP_CTRL__4 0x0374 + +#define SW_CLASS_D_IP_ENABLE BIT(31) + +#define REG_SW_MRI_CTRL_8 0x0378 + +#define SW_NO_COLOR_S 6 +#define SW_RED_COLOR_S 4 +#define SW_YELLOW_COLOR_S 2 +#define SW_GREEN_COLOR_S 0 +#define SW_COLOR_M 0x3 + +#define REG_SW_QM_CTRL__4 0x0390 + +#define PRIO_SCHEME_SELECT_M KS_PRIO_M +#define PRIO_SCHEME_SELECT_S 6 +#define PRIO_MAP_3_HI 0 +#define PRIO_MAP_2_HI 2 +#define PRIO_MAP_0_LO 3 +#define UNICAST_VLAN_BOUNDARY BIT(1) + +#define REG_SW_EEE_QM_CTRL__2 0x03C0 + +#define REG_SW_EEE_TXQ_WAIT_TIME__2 0x03C2 + +/* 4 - */ +#define REG_SW_VLAN_ENTRY__4 0x0400 + +#define VLAN_VALID BIT(31) +#define VLAN_FORWARD_OPTION BIT(27) +#define VLAN_PRIO_M KS_PRIO_M +#define VLAN_PRIO_S 24 +#define VLAN_MSTP_M 0x7 +#define VLAN_MSTP_S 12 +#define VLAN_FID_M 0x7F + +#define REG_SW_VLAN_ENTRY_UNTAG__4 0x0404 +#define REG_SW_VLAN_ENTRY_PORTS__4 0x0408 + +#define REG_SW_VLAN_ENTRY_INDEX__2 0x040C + +#define VLAN_INDEX_M 0x0FFF + +#define REG_SW_VLAN_CTRL 0x040E + +#define VLAN_START BIT(7) +#define VLAN_ACTION 0x3 +#define VLAN_WRITE 1 +#define VLAN_READ 2 +#define VLAN_CLEAR 3 + +#define REG_SW_ALU_INDEX_0 0x0410 + +#define ALU_FID_INDEX_S 16 +#define ALU_MAC_ADDR_HI 0xFFFF + +#define REG_SW_ALU_INDEX_1 0x0414 + +#define ALU_DIRECT_INDEX_M (BIT(12) - 1) + +#define REG_SW_ALU_CTRL__4 0x0418 + +#define ALU_VALID_CNT_M (BIT(14) - 1) +#define ALU_VALID_CNT_S 16 +#define ALU_START BIT(7) +#define ALU_VALID BIT(6) +#define ALU_DIRECT BIT(2) +#define ALU_ACTION 0x3 +#define ALU_WRITE 1 +#define ALU_READ 2 +#define ALU_SEARCH 3 + +#define REG_SW_ALU_STAT_CTRL__4 0x041C + +#define ALU_RESV_MCAST_INDEX_M (BIT(6) - 1) +#define ALU_STAT_START BIT(7) +#define ALU_RESV_MCAST_ADDR BIT(1) + +#define REG_SW_ALU_VAL_A 0x0420 + +#define ALU_V_STATIC_VALID BIT(31) +#define ALU_V_SRC_FILTER BIT(30) +#define ALU_V_DST_FILTER BIT(29) +#define ALU_V_PRIO_AGE_CNT_M (BIT(3) - 1) +#define ALU_V_PRIO_AGE_CNT_S 26 +#define ALU_V_MSTP_M 0x7 + +#define REG_SW_ALU_VAL_B 0x0424 + +#define ALU_V_OVERRIDE BIT(31) +#define ALU_V_USE_FID BIT(30) +#define ALU_V_PORT_MAP (BIT(24) - 1) + +#define REG_SW_ALU_VAL_C 0x0428 + +#define ALU_V_FID_M (BIT(16) - 1) +#define ALU_V_FID_S 16 +#define ALU_V_MAC_ADDR_HI 0xFFFF + +#define REG_SW_ALU_VAL_D 0x042C + +#define REG_HSR_ALU_INDEX_0 0x0440 + +#define REG_HSR_ALU_INDEX_1 0x0444 + +#define HSR_DST_MAC_INDEX_LO_S 16 +#define HSR_SRC_MAC_INDEX_HI 0xFFFF + +#define REG_HSR_ALU_INDEX_2 0x0448 + +#define HSR_INDEX_MAX BIT(9) +#define HSR_DIRECT_INDEX_M (HSR_INDEX_MAX - 1) + +#define REG_HSR_ALU_INDEX_3 0x044C + +#define HSR_PATH_INDEX_M (BIT(4) - 1) + +#define REG_HSR_ALU_CTRL__4 0x0450 + +#define HSR_VALID_CNT_M (BIT(14) - 1) +#define HSR_VALID_CNT_S 16 +#define HSR_START BIT(7) +#define HSR_VALID BIT(6) +#define HSR_SEARCH_END BIT(5) +#define HSR_DIRECT BIT(2) +#define HSR_ACTION 0x3 +#define HSR_WRITE 1 +#define HSR_READ 2 +#define HSR_SEARCH 3 + +#define REG_HSR_ALU_VAL_A 0x0454 + +#define HSR_V_STATIC_VALID BIT(31) +#define HSR_V_AGE_CNT_M (BIT(3) - 1) +#define HSR_V_AGE_CNT_S 26 +#define HSR_V_PATH_ID_M (BIT(4) - 1) + +#define REG_HSR_ALU_VAL_B 0x0458 + +#define REG_HSR_ALU_VAL_C 0x045C + +#define HSR_V_DST_MAC_ADDR_LO_S 16 +#define HSR_V_SRC_MAC_ADDR_HI 0xFFFF + +#define REG_HSR_ALU_VAL_D 0x0460 + +#define REG_HSR_ALU_VAL_E 0x0464 + +#define HSR_V_START_SEQ_1_S 16 +#define HSR_V_START_SEQ_2_S 0 + +#define REG_HSR_ALU_VAL_F 0x0468 + +#define HSR_V_EXP_SEQ_1_S 16 +#define HSR_V_EXP_SEQ_2_S 0 + +#define REG_HSR_ALU_VAL_G 0x046C + +#define HSR_V_SEQ_CNT_1_S 16 +#define HSR_V_SEQ_CNT_2_S 0 + +#define HSR_V_SEQ_M (BIT(16) - 1) + +/* 5 - PTP Clock */ +#define REG_PTP_CLK_CTRL 0x0500 + +#define PTP_STEP_ADJ BIT(6) +#define PTP_STEP_DIR BIT(5) +#define PTP_READ_TIME BIT(4) +#define PTP_LOAD_TIME BIT(3) +#define PTP_CLK_ADJ_ENABLE BIT(2) +#define PTP_CLK_ENABLE BIT(1) +#define PTP_CLK_RESET BIT(0) + +#define REG_PTP_RTC_SUB_NANOSEC__2 0x0502 + +#define PTP_RTC_SUB_NANOSEC_M 0x0007 + +#define REG_PTP_RTC_NANOSEC 0x0504 +#define REG_PTP_RTC_NANOSEC_H 0x0504 +#define REG_PTP_RTC_NANOSEC_L 0x0506 + +#define REG_PTP_RTC_SEC 0x0508 +#define REG_PTP_RTC_SEC_H 0x0508 +#define REG_PTP_RTC_SEC_L 0x050A + +#define REG_PTP_SUBNANOSEC_RATE 0x050C +#define REG_PTP_SUBNANOSEC_RATE_H 0x050C + +#define PTP_RATE_DIR BIT(31) +#define PTP_TMP_RATE_ENABLE BIT(30) + +#define REG_PTP_SUBNANOSEC_RATE_L 0x050E + +#define REG_PTP_RATE_DURATION 0x0510 +#define REG_PTP_RATE_DURATION_H 0x0510 +#define REG_PTP_RATE_DURATION_L 0x0512 + +#define REG_PTP_MSG_CONF1 0x0514 + +#define PTP_802_1AS BIT(7) +#define PTP_ENABLE BIT(6) +#define PTP_ETH_ENABLE BIT(5) +#define PTP_IPV4_UDP_ENABLE BIT(4) +#define PTP_IPV6_UDP_ENABLE BIT(3) +#define PTP_TC_P2P BIT(2) +#define PTP_MASTER BIT(1) +#define PTP_1STEP BIT(0) + +#define REG_PTP_MSG_CONF2 0x0516 + +#define PTP_UNICAST_ENABLE BIT(12) +#define PTP_ALTERNATE_MASTER BIT(11) +#define PTP_ALL_HIGH_PRIO BIT(10) +#define PTP_SYNC_CHECK BIT(9) +#define PTP_DELAY_CHECK BIT(8) +#define PTP_PDELAY_CHECK BIT(7) +#define PTP_DROP_SYNC_DELAY_REQ BIT(5) +#define PTP_DOMAIN_CHECK BIT(4) +#define PTP_UDP_CHECKSUM BIT(2) + +#define REG_PTP_DOMAIN_VERSION 0x0518 +#define PTP_VERSION_M 0xFF00 +#define PTP_DOMAIN_M 0x00FF + +#define REG_PTP_UNIT_INDEX__4 0x0520 + +#define PTP_UNIT_M 0xF + +#define PTP_GPIO_INDEX_S 16 +#define PTP_TSI_INDEX_S 8 +#define PTP_TOU_INDEX_S 0 + +#define REG_PTP_TRIG_STATUS__4 0x0524 + +#define TRIG_ERROR_S 16 +#define TRIG_DONE_S 0 + +#define REG_PTP_INT_STATUS__4 0x0528 + +#define TRIG_INT_S 16 +#define TS_INT_S 0 + +#define TRIG_UNIT_M 0x7 +#define TS_UNIT_M 0x3 + +#define REG_PTP_CTRL_STAT__4 0x052C + +#define GPIO_IN BIT(7) +#define GPIO_OUT BIT(6) +#define TS_INT_ENABLE BIT(5) +#define TRIG_ACTIVE BIT(4) +#define TRIG_ENABLE BIT(3) +#define TRIG_RESET BIT(2) +#define TS_ENABLE BIT(1) +#define TS_RESET BIT(0) + +#define GPIO_CTRL_M (GPIO_IN | GPIO_OUT) + +#define TRIG_CTRL_M \ + (TRIG_ACTIVE | TRIG_ENABLE | TRIG_RESET) + +#define TS_CTRL_M \ + (TS_INT_ENABLE | TS_ENABLE | TS_RESET) + +#define REG_TRIG_TARGET_NANOSEC 0x0530 +#define REG_TRIG_TARGET_SEC 0x0534 + +#define REG_TRIG_CTRL__4 0x0538 + +#define TRIG_CASCADE_ENABLE BIT(31) +#define TRIG_CASCADE_TAIL BIT(30) +#define TRIG_CASCADE_UPS_M 0xF +#define TRIG_CASCADE_UPS_S 26 +#define TRIG_NOW BIT(25) +#define TRIG_NOTIFY BIT(24) +#define TRIG_EDGE BIT(23) +#define TRIG_PATTERN_S 20 +#define TRIG_PATTERN_M 0x7 +#define TRIG_NEG_EDGE 0 +#define TRIG_POS_EDGE 1 +#define TRIG_NEG_PULSE 2 +#define TRIG_POS_PULSE 3 +#define TRIG_NEG_PERIOD 4 +#define TRIG_POS_PERIOD 5 +#define TRIG_REG_OUTPUT 6 +#define TRIG_GPO_S 16 +#define TRIG_GPO_M 0xF +#define TRIG_CASCADE_ITERATE_CNT_M 0xFFFF + +#define REG_TRIG_CYCLE_WIDTH 0x053C + +#define REG_TRIG_CYCLE_CNT 0x0540 + +#define TRIG_CYCLE_CNT_M 0xFFFF +#define TRIG_CYCLE_CNT_S 16 +#define TRIG_BIT_PATTERN_M 0xFFFF + +#define REG_TRIG_ITERATE_TIME 0x0544 + +#define REG_TRIG_PULSE_WIDTH__4 0x0548 + +#define TRIG_PULSE_WIDTH_M 0x00FFFFFF + +#define REG_TS_CTRL_STAT__4 0x0550 + +#define TS_EVENT_DETECT_M 0xF +#define TS_EVENT_DETECT_S 17 +#define TS_EVENT_OVERFLOW BIT(16) +#define TS_GPI_M 0xF +#define TS_GPI_S 8 +#define TS_DETECT_RISE BIT(7) +#define TS_DETECT_FALL BIT(6) +#define TS_DETECT_S 6 +#define TS_CASCADE_TAIL BIT(5) +#define TS_CASCADE_UPS_M 0xF +#define TS_CASCADE_UPS_S 1 +#define TS_CASCADE_ENABLE BIT(0) + +#define DETECT_RISE (TS_DETECT_RISE >> TS_DETECT_S) +#define DETECT_FALL (TS_DETECT_FALL >> TS_DETECT_S) + +#define REG_TS_EVENT_0_NANOSEC 0x0554 +#define REG_TS_EVENT_0_SEC 0x0558 +#define REG_TS_EVENT_0_SUB_NANOSEC 0x055C + +#define REG_TS_EVENT_1_NANOSEC 0x0560 +#define REG_TS_EVENT_1_SEC 0x0564 +#define REG_TS_EVENT_1_SUB_NANOSEC 0x0568 + +#define REG_TS_EVENT_2_NANOSEC 0x056C +#define REG_TS_EVENT_2_SEC 0x0570 +#define REG_TS_EVENT_2_SUB_NANOSEC 0x0574 + +#define REG_TS_EVENT_3_NANOSEC 0x0578 +#define REG_TS_EVENT_3_SEC 0x057C +#define REG_TS_EVENT_3_SUB_NANOSEC 0x0580 + +#define REG_TS_EVENT_4_NANOSEC 0x0584 +#define REG_TS_EVENT_4_SEC 0x0588 +#define REG_TS_EVENT_4_SUB_NANOSEC 0x058C + +#define REG_TS_EVENT_5_NANOSEC 0x0590 +#define REG_TS_EVENT_5_SEC 0x0594 +#define REG_TS_EVENT_5_SUB_NANOSEC 0x0598 + +#define REG_TS_EVENT_6_NANOSEC 0x059C +#define REG_TS_EVENT_6_SEC 0x05A0 +#define REG_TS_EVENT_6_SUB_NANOSEC 0x05A4 + +#define REG_TS_EVENT_7_NANOSEC 0x05A8 +#define REG_TS_EVENT_7_SEC 0x05AC +#define REG_TS_EVENT_7_SUB_NANOSEC 0x05B0 + +#define TS_EVENT_EDGE_M 0x1 +#define TS_EVENT_EDGE_S 30 +#define TS_EVENT_NANOSEC_M (BIT(30) - 1) + +#define TS_EVENT_SUB_NANOSEC_M 0x7 + +#define TS_EVENT_SAMPLE \ + (REG_TS_EVENT_1_NANOSEC - REG_TS_EVENT_0_NANOSEC) + +#define PORT_CTRL_ADDR(port, addr) ((addr) | (((port) + 1) << 12)) + +#define REG_GLOBAL_RR_INDEX__1 0x0600 + +/* DLR */ +#define REG_DLR_SRC_PORT__4 0x0604 + +#define DLR_SRC_PORT_UNICAST BIT(31) +#define DLR_SRC_PORT_M 0x3 +#define DLR_SRC_PORT_BOTH 0 +#define DLR_SRC_PORT_EACH 1 + +#define REG_DLR_IP_ADDR__4 0x0608 + +#define REG_DLR_CTRL__1 0x0610 + +#define DLR_RESET_SEQ_ID BIT(3) +#define DLR_BACKUP_AUTO_ON BIT(2) +#define DLR_BEACON_TX_ENABLE BIT(1) +#define DLR_ASSIST_ENABLE BIT(0) + +#define REG_DLR_STATE__1 0x0611 + +#define DLR_NODE_STATE_M 0x3 +#define DLR_NODE_STATE_S 1 +#define DLR_NODE_STATE_IDLE 0 +#define DLR_NODE_STATE_FAULT 1 +#define DLR_NODE_STATE_NORMAL 2 +#define DLR_RING_STATE_FAULT 0 +#define DLR_RING_STATE_NORMAL 1 + +#define REG_DLR_PRECEDENCE__1 0x0612 + +#define REG_DLR_BEACON_INTERVAL__4 0x0614 + +#define REG_DLR_BEACON_TIMEOUT__4 0x0618 + +#define REG_DLR_TIMEOUT_WINDOW__4 0x061C + +#define DLR_TIMEOUT_WINDOW_M (BIT(22) - 1) + +#define REG_DLR_VLAN_ID__2 0x0620 + +#define DLR_VLAN_ID_M (BIT(12) - 1) + +#define REG_DLR_DEST_ADDR_0 0x0622 +#define REG_DLR_DEST_ADDR_1 0x0623 +#define REG_DLR_DEST_ADDR_2 0x0624 +#define REG_DLR_DEST_ADDR_3 0x0625 +#define REG_DLR_DEST_ADDR_4 0x0626 +#define REG_DLR_DEST_ADDR_5 0x0627 + +#define REG_DLR_PORT_MAP__4 0x0628 + +#define REG_DLR_CLASS__1 0x062C + +#define DLR_FRAME_QID_M 0x3 + +/* HSR */ +#define REG_HSR_PORT_MAP__4 0x0640 + +#define REG_HSR_ALU_CTRL_0__1 0x0644 + +#define HSR_DUPLICATE_DISCARD BIT(7) +#define HSR_NODE_UNICAST BIT(6) +#define HSR_AGE_CNT_DEFAULT_M 0x7 +#define HSR_AGE_CNT_DEFAULT_S 3 +#define HSR_LEARN_MCAST_DISABLE BIT(2) +#define HSR_HASH_OPTION_M 0x3 +#define HSR_HASH_DISABLE 0 +#define HSR_HASH_UPPER_BITS 1 +#define HSR_HASH_LOWER_BITS 2 +#define HSR_HASH_XOR_BOTH_BITS 3 + +#define REG_HSR_ALU_CTRL_1__1 0x0645 + +#define HSR_LEARN_UCAST_DISABLE BIT(7) +#define HSR_FLUSH_TABLE BIT(5) +#define HSR_PROC_MCAST_SRC BIT(3) +#define HSR_AGING_ENABLE BIT(2) + +#define REG_HSR_ALU_CTRL_2__2 0x0646 + +#define REG_HSR_ALU_AGE_PERIOD__4 0x0648 + +#define REG_HSR_ALU_INT_STATUS__1 0x064C +#define REG_HSR_ALU_INT_MASK__1 0x064D + +#define HSR_WINDOW_OVERFLOW_INT BIT(3) +#define HSR_LEARN_FAIL_INT BIT(2) +#define HSR_ALMOST_FULL_INT BIT(1) +#define HSR_WRITE_FAIL_INT BIT(0) + +#define REG_HSR_ALU_ENTRY_0__2 0x0650 + +#define HSR_ENTRY_INDEX_M (BIT(10) - 1) +#define HSR_FAIL_INDEX_M (BIT(8) - 1) + +#define REG_HSR_ALU_ENTRY_1__2 0x0652 + +#define HSR_FAIL_LEARN_INDEX_M (BIT(8) - 1) + +#define REG_HSR_ALU_ENTRY_3__2 0x0654 + +#define HSR_CPU_ACCESS_ENTRY_INDEX_M (BIT(8) - 1) + +/* 0 - Operation */ +#define REG_PORT_DEFAULT_VID 0x0000 + +#define REG_PORT_CUSTOM_VID 0x0002 +#define REG_PORT_AVB_SR_1_VID 0x0004 +#define REG_PORT_AVB_SR_2_VID 0x0006 + +#define REG_PORT_AVB_SR_1_TYPE 0x0008 +#define REG_PORT_AVB_SR_2_TYPE 0x000A + +#define REG_PORT_PME_STATUS 0x0013 +#define REG_PORT_PME_CTRL 0x0017 + +#define PME_WOL_MAGICPKT BIT(2) +#define PME_WOL_LINKUP BIT(1) +#define PME_WOL_ENERGY BIT(0) + +#define REG_PORT_INT_STATUS 0x001B +#define REG_PORT_INT_MASK 0x001F + +#define PORT_SGMII_INT BIT(3) +#define PORT_PTP_INT BIT(2) +#define PORT_PHY_INT BIT(1) +#define PORT_ACL_INT BIT(0) + +#define PORT_INT_MASK \ + (PORT_SGMII_INT | PORT_PTP_INT | PORT_PHY_INT | PORT_ACL_INT) + +#define REG_PORT_CTRL_0 0x0020 + +#define PORT_MAC_LOOPBACK BIT(7) +#define PORT_FORCE_TX_FLOW_CTRL BIT(4) +#define PORT_FORCE_RX_FLOW_CTRL BIT(3) +#define PORT_TAIL_TAG_ENABLE BIT(2) +#define PORT_QUEUE_SPLIT_ENABLE 0x3 + +#define REG_PORT_CTRL_1 0x0021 + +#define PORT_SRP_ENABLE 0x3 + +#define REG_PORT_STATUS_0 0x0030 + +#define PORT_INTF_SPEED_M 0x3 +#define PORT_INTF_SPEED_S 3 +#define PORT_INTF_FULL_DUPLEX BIT(2) +#define PORT_TX_FLOW_CTRL BIT(1) +#define PORT_RX_FLOW_CTRL BIT(0) + +#define REG_PORT_STATUS_1 0x0034 + +/* 1 - PHY */ +#define REG_PORT_PHY_CTRL 0x0100 + +#define PORT_PHY_RESET BIT(15) +#define PORT_PHY_LOOPBACK BIT(14) +#define PORT_SPEED_100MBIT BIT(13) +#define PORT_AUTO_NEG_ENABLE BIT(12) +#define PORT_POWER_DOWN BIT(11) +#define PORT_ISOLATE BIT(10) +#define PORT_AUTO_NEG_RESTART BIT(9) +#define PORT_FULL_DUPLEX BIT(8) +#define PORT_COLLISION_TEST BIT(7) +#define PORT_SPEED_1000MBIT BIT(6) + +#define REG_PORT_PHY_STATUS 0x0102 + +#define PORT_100BT4_CAPABLE BIT(15) +#define PORT_100BTX_FD_CAPABLE BIT(14) +#define PORT_100BTX_CAPABLE BIT(13) +#define PORT_10BT_FD_CAPABLE BIT(12) +#define PORT_10BT_CAPABLE BIT(11) +#define PORT_EXTENDED_STATUS BIT(8) +#define PORT_MII_SUPPRESS_CAPABLE BIT(6) +#define PORT_AUTO_NEG_ACKNOWLEDGE BIT(5) +#define PORT_REMOTE_FAULT BIT(4) +#define PORT_AUTO_NEG_CAPABLE BIT(3) +#define PORT_LINK_STATUS BIT(2) +#define PORT_JABBER_DETECT BIT(1) +#define PORT_EXTENDED_CAPABILITY BIT(0) + +#define REG_PORT_PHY_ID_HI 0x0104 +#define REG_PORT_PHY_ID_LO 0x0106 + +#define KSZ9477_ID_HI 0x0022 +#define KSZ9477_ID_LO 0x1622 + +#define REG_PORT_PHY_AUTO_NEGOTIATION 0x0108 + +#define PORT_AUTO_NEG_NEXT_PAGE BIT(15) +#define PORT_AUTO_NEG_REMOTE_FAULT BIT(13) +#define PORT_AUTO_NEG_ASYM_PAUSE BIT(11) +#define PORT_AUTO_NEG_SYM_PAUSE BIT(10) +#define PORT_AUTO_NEG_100BT4 BIT(9) +#define PORT_AUTO_NEG_100BTX_FD BIT(8) +#define PORT_AUTO_NEG_100BTX BIT(7) +#define PORT_AUTO_NEG_10BT_FD BIT(6) +#define PORT_AUTO_NEG_10BT BIT(5) +#define PORT_AUTO_NEG_SELECTOR 0x001F +#define PORT_AUTO_NEG_802_3 0x0001 + +#define PORT_AUTO_NEG_PAUSE \ + (PORT_AUTO_NEG_ASYM_PAUSE | PORT_AUTO_NEG_SYM_PAUSE) + +#define REG_PORT_PHY_REMOTE_CAPABILITY 0x010A + +#define PORT_REMOTE_NEXT_PAGE BIT(15) +#define PORT_REMOTE_ACKNOWLEDGE BIT(14) +#define PORT_REMOTE_REMOTE_FAULT BIT(13) +#define PORT_REMOTE_ASYM_PAUSE BIT(11) +#define PORT_REMOTE_SYM_PAUSE BIT(10) +#define PORT_REMOTE_100BTX_FD BIT(8) +#define PORT_REMOTE_100BTX BIT(7) +#define PORT_REMOTE_10BT_FD BIT(6) +#define PORT_REMOTE_10BT BIT(5) + +#define REG_PORT_PHY_1000_CTRL 0x0112 + +#define PORT_AUTO_NEG_MANUAL BIT(12) +#define PORT_AUTO_NEG_MASTER BIT(11) +#define PORT_AUTO_NEG_MASTER_PREFERRED BIT(10) +#define PORT_AUTO_NEG_1000BT_FD BIT(9) +#define PORT_AUTO_NEG_1000BT BIT(8) + +#define REG_PORT_PHY_1000_STATUS 0x0114 + +#define PORT_MASTER_FAULT BIT(15) +#define PORT_LOCAL_MASTER BIT(14) +#define PORT_LOCAL_RX_OK BIT(13) +#define PORT_REMOTE_RX_OK BIT(12) +#define PORT_REMOTE_1000BT_FD BIT(11) +#define PORT_REMOTE_1000BT BIT(10) +#define PORT_REMOTE_IDLE_CNT_M 0x0F + +#define PORT_PHY_1000_STATIC_STATUS \ + (PORT_LOCAL_RX_OK | \ + PORT_REMOTE_RX_OK | \ + PORT_REMOTE_1000BT_FD | \ + PORT_REMOTE_1000BT) + +#define REG_PORT_PHY_MMD_SETUP 0x011A + +#define PORT_MMD_OP_MODE_M 0x3 +#define PORT_MMD_OP_MODE_S 14 +#define PORT_MMD_OP_INDEX 0 +#define PORT_MMD_OP_DATA_NO_INCR 1 +#define PORT_MMD_OP_DATA_INCR_RW 2 +#define PORT_MMD_OP_DATA_INCR_W 3 +#define PORT_MMD_DEVICE_ID_M 0x1F + +#define MMD_SETUP(mode, dev) \ + (((u16)(mode) << PORT_MMD_OP_MODE_S) | (dev)) + +#define REG_PORT_PHY_MMD_INDEX_DATA 0x011C + +#define MMD_DEVICE_ID_DSP 1 + +#define MMD_DSP_SQI_CHAN_A 0xAC +#define MMD_DSP_SQI_CHAN_B 0xAD +#define MMD_DSP_SQI_CHAN_C 0xAE +#define MMD_DSP_SQI_CHAN_D 0xAF + +#define DSP_SQI_ERR_DETECTED BIT(15) +#define DSP_SQI_AVG_ERR 0x7FFF + +#define MMD_DEVICE_ID_COMMON 2 + +#define MMD_DEVICE_ID_EEE_ADV 7 + +#define MMD_EEE_ADV 0x3C +#define EEE_ADV_100MBIT BIT(1) +#define EEE_ADV_1GBIT BIT(2) + +#define MMD_EEE_LP_ADV 0x3D +#define MMD_EEE_MSG_CODE 0x3F + +#define MMD_DEVICE_ID_AFED 0x1C + +#define REG_PORT_PHY_EXTENDED_STATUS 0x011E + +#define PORT_100BTX_FD_ABLE BIT(15) +#define PORT_100BTX_ABLE BIT(14) +#define PORT_10BT_FD_ABLE BIT(13) +#define PORT_10BT_ABLE BIT(12) + +#define REG_PORT_SGMII_ADDR__4 0x0200 +#define PORT_SGMII_AUTO_INCR BIT(23) +#define PORT_SGMII_DEVICE_ID_M 0x1F +#define PORT_SGMII_DEVICE_ID_S 16 +#define PORT_SGMII_ADDR_M (BIT(21) - 1) + +#define REG_PORT_SGMII_DATA__4 0x0204 +#define PORT_SGMII_DATA_M (BIT(16) - 1) + +#define MMD_DEVICE_ID_PMA 0x01 +#define MMD_DEVICE_ID_PCS 0x03 +#define MMD_DEVICE_ID_PHY_XS 0x04 +#define MMD_DEVICE_ID_DTE_XS 0x05 +#define MMD_DEVICE_ID_AN 0x07 +#define MMD_DEVICE_ID_VENDOR_CTRL 0x1E +#define MMD_DEVICE_ID_VENDOR_MII 0x1F + +#define SR_MII MMD_DEVICE_ID_VENDOR_MII + +#define MMD_SR_MII_CTRL 0x0000 + +#define SR_MII_RESET BIT(15) +#define SR_MII_LOOPBACK BIT(14) +#define SR_MII_SPEED_100MBIT BIT(13) +#define SR_MII_AUTO_NEG_ENABLE BIT(12) +#define SR_MII_POWER_DOWN BIT(11) +#define SR_MII_AUTO_NEG_RESTART BIT(9) +#define SR_MII_FULL_DUPLEX BIT(8) +#define SR_MII_SPEED_1000MBIT BIT(6) + +#define MMD_SR_MII_STATUS 0x0001 +#define MMD_SR_MII_ID_1 0x0002 +#define MMD_SR_MII_ID_2 0x0003 +#define MMD_SR_MII_AUTO_NEGOTIATION 0x0004 + +#define SR_MII_AUTO_NEG_NEXT_PAGE BIT(15) +#define SR_MII_AUTO_NEG_REMOTE_FAULT_M 0x3 +#define SR_MII_AUTO_NEG_REMOTE_FAULT_S 12 +#define SR_MII_AUTO_NEG_NO_ERROR 0 +#define SR_MII_AUTO_NEG_OFFLINE 1 +#define SR_MII_AUTO_NEG_LINK_FAILURE 2 +#define SR_MII_AUTO_NEG_ERROR 3 +#define SR_MII_AUTO_NEG_PAUSE_M 0x3 +#define SR_MII_AUTO_NEG_PAUSE_S 7 +#define SR_MII_AUTO_NEG_NO_PAUSE 0 +#define SR_MII_AUTO_NEG_ASYM_PAUSE_TX 1 +#define SR_MII_AUTO_NEG_SYM_PAUSE 2 +#define SR_MII_AUTO_NEG_ASYM_PAUSE_RX 3 +#define SR_MII_AUTO_NEG_HALF_DUPLEX BIT(6) +#define SR_MII_AUTO_NEG_FULL_DUPLEX BIT(5) + +#define MMD_SR_MII_REMOTE_CAPABILITY 0x0005 +#define MMD_SR_MII_AUTO_NEG_EXP 0x0006 +#define MMD_SR_MII_AUTO_NEG_EXT 0x000F + +#define MMD_SR_MII_DIGITAL_CTRL_1 0x8000 + +#define MMD_SR_MII_AUTO_NEG_CTRL 0x8001 + +#define SR_MII_8_BIT BIT(8) +#define SR_MII_SGMII_LINK_UP BIT(4) +#define SR_MII_TX_CFG_PHY_MASTER BIT(3) +#define SR_MII_PCS_MODE_M 0x3 +#define SR_MII_PCS_MODE_S 1 +#define SR_MII_PCS_SGMII 2 +#define SR_MII_AUTO_NEG_COMPLETE_INTR BIT(0) + +#define MMD_SR_MII_AUTO_NEG_STATUS 0x8002 + +#define SR_MII_STAT_LINK_UP BIT(4) +#define SR_MII_STAT_M 0x3 +#define SR_MII_STAT_S 2 +#define SR_MII_STAT_10_MBPS 0 +#define SR_MII_STAT_100_MBPS 1 +#define SR_MII_STAT_1000_MBPS 2 +#define SR_MII_STAT_FULL_DUPLEX BIT(1) + +#define MMD_SR_MII_PHY_CTRL 0x80A0 + +#define SR_MII_PHY_LANE_SEL_M 0xF +#define SR_MII_PHY_LANE_SEL_S 8 +#define SR_MII_PHY_WRITE BIT(1) +#define SR_MII_PHY_START_BUSY BIT(0) + +#define MMD_SR_MII_PHY_ADDR 0x80A1 + +#define SR_MII_PHY_ADDR_M (BIT(16) - 1) + +#define MMD_SR_MII_PHY_DATA 0x80A2 + +#define SR_MII_PHY_DATA_M (BIT(16) - 1) + +#define SR_MII_PHY_JTAG_CHIP_ID_HI 0x000C +#define SR_MII_PHY_JTAG_CHIP_ID_LO 0x000D + +#define REG_PORT_PHY_REMOTE_LB_LED 0x0122 + +#define PORT_REMOTE_LOOPBACK BIT(8) +#define PORT_LED_SELECT (3 << 6) +#define PORT_LED_CTRL (3 << 4) +#define PORT_LED_CTRL_TEST BIT(3) +#define PORT_10BT_PREAMBLE BIT(2) +#define PORT_LINK_MD_10BT_ENABLE BIT(1) +#define PORT_LINK_MD_PASS BIT(0) + +#define REG_PORT_PHY_LINK_MD 0x0124 + +#define PORT_START_CABLE_DIAG BIT(15) +#define PORT_TX_DISABLE BIT(14) +#define PORT_CABLE_DIAG_PAIR_M 0x3 +#define PORT_CABLE_DIAG_PAIR_S 12 +#define PORT_CABLE_DIAG_SELECT_M 0x3 +#define PORT_CABLE_DIAG_SELECT_S 10 +#define PORT_CABLE_DIAG_RESULT_M 0x3 +#define PORT_CABLE_DIAG_RESULT_S 8 +#define PORT_CABLE_STAT_NORMAL 0 +#define PORT_CABLE_STAT_OPEN 1 +#define PORT_CABLE_STAT_SHORT 2 +#define PORT_CABLE_STAT_FAILED 3 +#define PORT_CABLE_FAULT_COUNTER 0x00FF + +#define REG_PORT_PHY_PMA_STATUS 0x0126 + +#define PORT_1000_LINK_GOOD BIT(1) +#define PORT_100_LINK_GOOD BIT(0) + +#define REG_PORT_PHY_DIGITAL_STATUS 0x0128 + +#define PORT_LINK_DETECT BIT(14) +#define PORT_SIGNAL_DETECT BIT(13) +#define PORT_PHY_STAT_MDI BIT(12) +#define PORT_PHY_STAT_MASTER BIT(11) + +#define REG_PORT_PHY_RXER_COUNTER 0x012A + +#define REG_PORT_PHY_INT_ENABLE 0x0136 +#define REG_PORT_PHY_INT_STATUS 0x0137 + +#define JABBER_INT BIT(7) +#define RX_ERR_INT BIT(6) +#define PAGE_RX_INT BIT(5) +#define PARALLEL_DETECT_FAULT_INT BIT(4) +#define LINK_PARTNER_ACK_INT BIT(3) +#define LINK_DOWN_INT BIT(2) +#define REMOTE_FAULT_INT BIT(1) +#define LINK_UP_INT BIT(0) + +#define REG_PORT_PHY_DIGITAL_DEBUG_1 0x0138 + +#define PORT_REG_CLK_SPEED_25_MHZ BIT(14) +#define PORT_PHY_FORCE_MDI BIT(7) +#define PORT_PHY_AUTO_MDIX_DISABLE BIT(6) + +/* Same as PORT_PHY_LOOPBACK */ +#define PORT_PHY_PCS_LOOPBACK BIT(0) + +#define REG_PORT_PHY_DIGITAL_DEBUG_2 0x013A + +#define REG_PORT_PHY_DIGITAL_DEBUG_3 0x013C + +#define PORT_100BT_FIXED_LATENCY BIT(15) + +#define REG_PORT_PHY_PHY_CTRL 0x013E + +#define PORT_INT_PIN_HIGH BIT(14) +#define PORT_ENABLE_JABBER BIT(9) +#define PORT_STAT_SPEED_1000MBIT BIT(6) +#define PORT_STAT_SPEED_100MBIT BIT(5) +#define PORT_STAT_SPEED_10MBIT BIT(4) +#define PORT_STAT_FULL_DUPLEX BIT(3) + +/* Same as PORT_PHY_STAT_MASTER */ +#define PORT_STAT_MASTER BIT(2) +#define PORT_RESET BIT(1) +#define PORT_LINK_STATUS_FAIL BIT(0) + +/* 3 - xMII */ +#define PORT_SGMII_SEL BIT(7) +#define PORT_GRXC_ENABLE BIT(0) + +#define PORT_RMII_CLK_SEL BIT(7) +#define PORT_MII_SEL_EDGE BIT(5) + +/* 4 - MAC */ +#define REG_PORT_MAC_CTRL_0 0x0400 + +#define PORT_BROADCAST_STORM BIT(1) +#define PORT_JUMBO_FRAME BIT(0) + +#define REG_PORT_MAC_CTRL_1 0x0401 + +#define PORT_BACK_PRESSURE BIT(3) +#define PORT_PASS_ALL BIT(0) + +#define REG_PORT_MAC_CTRL_2 0x0402 + +#define PORT_100BT_EEE_DISABLE BIT(7) +#define PORT_1000BT_EEE_DISABLE BIT(6) + +#define REG_PORT_MAC_IN_RATE_LIMIT 0x0403 + +#define PORT_IN_PORT_BASED_S 6 +#define PORT_RATE_PACKET_BASED_S 5 +#define PORT_IN_FLOW_CTRL_S 4 +#define PORT_COUNT_IFG_S 1 +#define PORT_COUNT_PREAMBLE_S 0 +#define PORT_IN_PORT_BASED BIT(6) +#define PORT_IN_PACKET_BASED BIT(5) +#define PORT_IN_FLOW_CTRL BIT(4) +#define PORT_IN_LIMIT_MODE_M 0x3 +#define PORT_IN_LIMIT_MODE_S 2 +#define PORT_IN_ALL 0 +#define PORT_IN_UNICAST 1 +#define PORT_IN_MULTICAST 2 +#define PORT_IN_BROADCAST 3 +#define PORT_COUNT_IFG BIT(1) +#define PORT_COUNT_PREAMBLE BIT(0) + +#define REG_PORT_IN_RATE_0 0x0410 +#define REG_PORT_IN_RATE_1 0x0411 +#define REG_PORT_IN_RATE_2 0x0412 +#define REG_PORT_IN_RATE_3 0x0413 +#define REG_PORT_IN_RATE_4 0x0414 +#define REG_PORT_IN_RATE_5 0x0415 +#define REG_PORT_IN_RATE_6 0x0416 +#define REG_PORT_IN_RATE_7 0x0417 + +#define REG_PORT_OUT_RATE_0 0x0420 +#define REG_PORT_OUT_RATE_1 0x0421 +#define REG_PORT_OUT_RATE_2 0x0422 +#define REG_PORT_OUT_RATE_3 0x0423 + +#define PORT_RATE_LIMIT_M (BIT(7) - 1) + +/* 5 - MIB Counters */ +#define REG_PORT_MIB_CTRL_STAT__4 0x0500 + +#define MIB_COUNTER_READ BIT(25) +#define MIB_COUNTER_FLUSH_FREEZE BIT(24) +#define MIB_COUNTER_INDEX_M (BIT(8) - 1) +#define MIB_COUNTER_INDEX_S 16 +#define MIB_COUNTER_DATA_HI_M 0xF + +#define REG_PORT_MIB_DATA 0x0504 + +/* 6 - ACL */ +#define REG_PORT_ACL_0 0x0600 + +#define ACL_FIRST_RULE_M 0xF + +#define REG_PORT_ACL_1 0x0601 + +#define ACL_MODE_M 0x3 +#define ACL_MODE_S 4 +#define ACL_MODE_DISABLE 0 +#define ACL_MODE_LAYER_2 1 +#define ACL_MODE_LAYER_3 2 +#define ACL_MODE_LAYER_4 3 +#define ACL_ENABLE_M 0x3 +#define ACL_ENABLE_S 2 +#define ACL_ENABLE_2_COUNT 0 +#define ACL_ENABLE_2_TYPE 1 +#define ACL_ENABLE_2_MAC 2 +#define ACL_ENABLE_2_BOTH 3 +#define ACL_ENABLE_3_IP 1 +#define ACL_ENABLE_3_SRC_DST_COMP 2 +#define ACL_ENABLE_4_PROTOCOL 0 +#define ACL_ENABLE_4_TCP_PORT_COMP 1 +#define ACL_ENABLE_4_UDP_PORT_COMP 2 +#define ACL_ENABLE_4_TCP_SEQN_COMP 3 +#define ACL_SRC BIT(1) +#define ACL_EQUAL BIT(0) + +#define REG_PORT_ACL_2 0x0602 +#define REG_PORT_ACL_3 0x0603 + +#define ACL_MAX_PORT 0xFFFF + +#define REG_PORT_ACL_4 0x0604 +#define REG_PORT_ACL_5 0x0605 + +#define ACL_MIN_PORT 0xFFFF +#define ACL_IP_ADDR 0xFFFFFFFF +#define ACL_TCP_SEQNUM 0xFFFFFFFF + +#define REG_PORT_ACL_6 0x0606 + +#define ACL_RESERVED 0xF8 +#define ACL_PORT_MODE_M 0x3 +#define ACL_PORT_MODE_S 1 +#define ACL_PORT_MODE_DISABLE 0 +#define ACL_PORT_MODE_EITHER 1 +#define ACL_PORT_MODE_IN_RANGE 2 +#define ACL_PORT_MODE_OUT_OF_RANGE 3 + +#define REG_PORT_ACL_7 0x0607 + +#define ACL_TCP_FLAG_ENABLE BIT(0) + +#define REG_PORT_ACL_8 0x0608 + +#define ACL_TCP_FLAG_M 0xFF + +#define REG_PORT_ACL_9 0x0609 + +#define ACL_TCP_FLAG 0xFF +#define ACL_ETH_TYPE 0xFFFF +#define ACL_IP_M 0xFFFFFFFF + +#define REG_PORT_ACL_A 0x060A + +#define ACL_PRIO_MODE_M 0x3 +#define ACL_PRIO_MODE_S 6 +#define ACL_PRIO_MODE_DISABLE 0 +#define ACL_PRIO_MODE_HIGHER 1 +#define ACL_PRIO_MODE_LOWER 2 +#define ACL_PRIO_MODE_REPLACE 3 +#define ACL_PRIO_M KS_PRIO_M +#define ACL_PRIO_S 3 +#define ACL_VLAN_PRIO_REPLACE BIT(2) +#define ACL_VLAN_PRIO_M KS_PRIO_M +#define ACL_VLAN_PRIO_HI_M 0x3 + +#define REG_PORT_ACL_B 0x060B + +#define ACL_VLAN_PRIO_LO_M 0x8 +#define ACL_VLAN_PRIO_S 7 +#define ACL_MAP_MODE_M 0x3 +#define ACL_MAP_MODE_S 5 +#define ACL_MAP_MODE_DISABLE 0 +#define ACL_MAP_MODE_OR 1 +#define ACL_MAP_MODE_AND 2 +#define ACL_MAP_MODE_REPLACE 3 + +#define ACL_CNT_M (BIT(11) - 1) +#define ACL_CNT_S 5 + +#define REG_PORT_ACL_C 0x060C + +#define REG_PORT_ACL_D 0x060D +#define ACL_MSEC_UNIT BIT(6) +#define ACL_INTR_MODE BIT(5) +#define ACL_PORT_MAP 0x7F + +#define REG_PORT_ACL_E 0x060E +#define REG_PORT_ACL_F 0x060F + +#define REG_PORT_ACL_BYTE_EN_MSB 0x0610 +#define REG_PORT_ACL_BYTE_EN_LSB 0x0611 + +#define ACL_ACTION_START 0xA +#define ACL_ACTION_LEN 4 +#define ACL_INTR_CNT_START 0xD +#define ACL_RULESET_START 0xE +#define ACL_RULESET_LEN 2 +#define ACL_TABLE_LEN 16 + +#define ACL_ACTION_ENABLE 0x003C +#define ACL_MATCH_ENABLE 0x7FC3 +#define ACL_RULESET_ENABLE 0x8003 +#define ACL_BYTE_ENABLE 0xFFFF + +#define REG_PORT_ACL_CTRL_0 0x0612 + +#define PORT_ACL_WRITE_DONE BIT(6) +#define PORT_ACL_READ_DONE BIT(5) +#define PORT_ACL_WRITE BIT(4) +#define PORT_ACL_INDEX_M 0xF + +#define REG_PORT_ACL_CTRL_1 0x0613 + +/* 8 - Classification and Policing */ +#define REG_PORT_MRI_MIRROR_CTRL 0x0800 + +#define PORT_MIRROR_RX BIT(6) +#define PORT_MIRROR_TX BIT(5) +#define PORT_MIRROR_SNIFFER BIT(1) + +#define REG_PORT_MRI_PRIO_CTRL 0x0801 + +#define PORT_HIGHEST_PRIO BIT(7) +#define PORT_OR_PRIO BIT(6) +#define PORT_MAC_PRIO_ENABLE BIT(4) +#define PORT_VLAN_PRIO_ENABLE BIT(3) +#define PORT_802_1P_PRIO_ENABLE BIT(2) +#define PORT_DIFFSERV_PRIO_ENABLE BIT(1) +#define PORT_ACL_PRIO_ENABLE BIT(0) + +#define REG_PORT_MRI_MAC_CTRL 0x0802 + +#define PORT_USER_PRIO_CEILING BIT(7) +#define PORT_DROP_NON_VLAN BIT(4) +#define PORT_DROP_TAG BIT(3) +#define PORT_BASED_PRIO_M KS_PRIO_M +#define PORT_BASED_PRIO_S 0 + +#define REG_PORT_MRI_AUTHEN_CTRL 0x0803 + +#define PORT_ACL_ENABLE BIT(2) +#define PORT_AUTHEN_MODE 0x3 +#define PORT_AUTHEN_PASS 0 +#define PORT_AUTHEN_BLOCK 1 +#define PORT_AUTHEN_TRAP 2 + +#define REG_PORT_MRI_INDEX__4 0x0804 + +#define MRI_INDEX_P_M 0x7 +#define MRI_INDEX_P_S 16 +#define MRI_INDEX_Q_M 0x3 +#define MRI_INDEX_Q_S 0 + +#define REG_PORT_MRI_TC_MAP__4 0x0808 + +#define PORT_TC_MAP_M 0xf +#define PORT_TC_MAP_S 4 + +#define REG_PORT_MRI_POLICE_CTRL__4 0x080C + +#define POLICE_DROP_ALL BIT(10) +#define POLICE_PACKET_TYPE_M 0x3 +#define POLICE_PACKET_TYPE_S 8 +#define POLICE_PACKET_DROPPED 0 +#define POLICE_PACKET_GREEN 1 +#define POLICE_PACKET_YELLOW 2 +#define POLICE_PACKET_RED 3 +#define PORT_BASED_POLICING BIT(7) +#define NON_DSCP_COLOR_M 0x3 +#define NON_DSCP_COLOR_S 5 +#define COLOR_MARK_ENABLE BIT(4) +#define COLOR_REMAP_ENABLE BIT(3) +#define POLICE_DROP_SRP BIT(2) +#define POLICE_COLOR_NOT_AWARE BIT(1) +#define POLICE_ENABLE BIT(0) + +#define REG_PORT_POLICE_COLOR_0__4 0x0810 +#define REG_PORT_POLICE_COLOR_1__4 0x0814 +#define REG_PORT_POLICE_COLOR_2__4 0x0818 +#define REG_PORT_POLICE_COLOR_3__4 0x081C + +#define POLICE_COLOR_MAP_S 2 +#define POLICE_COLOR_MAP_M (BIT(POLICE_COLOR_MAP_S) - 1) + +#define REG_PORT_POLICE_RATE__4 0x0820 + +#define POLICE_CIR_S 16 +#define POLICE_PIR_S 0 + +#define REG_PORT_POLICE_BURST_SIZE__4 0x0824 + +#define POLICE_BURST_SIZE_M 0x3FFF +#define POLICE_CBS_S 16 +#define POLICE_PBS_S 0 + +#define REG_PORT_WRED_PM_CTRL_0__4 0x0830 + +#define WRED_PM_CTRL_M (BIT(11) - 1) + +#define WRED_PM_MAX_THRESHOLD_S 16 +#define WRED_PM_MIN_THRESHOLD_S 0 + +#define REG_PORT_WRED_PM_CTRL_1__4 0x0834 + +#define WRED_PM_MULTIPLIER_S 16 +#define WRED_PM_AVG_QUEUE_SIZE_S 0 + +#define REG_PORT_WRED_QUEUE_CTRL_0__4 0x0840 +#define REG_PORT_WRED_QUEUE_CTRL_1__4 0x0844 + +#define REG_PORT_WRED_QUEUE_PMON__4 0x0848 + +#define WRED_RANDOM_DROP_ENABLE BIT(31) +#define WRED_PMON_FLUSH BIT(30) +#define WRED_DROP_GYR_DISABLE BIT(29) +#define WRED_DROP_YR_DISABLE BIT(28) +#define WRED_DROP_R_DISABLE BIT(27) +#define WRED_DROP_ALL BIT(26) +#define WRED_PMON_M (BIT(24) - 1) + +/* 9 - Shaping */ + +#define REG_PORT_MTI_QUEUE_INDEX__4 0x0900 + +#define REG_PORT_MTI_QUEUE_CTRL_0__4 0x0904 + +#define MTI_PVID_REPLACE BIT(0) + +#define REG_PORT_MTI_QUEUE_CTRL_0 0x0914 + +#define MTI_SCHEDULE_MODE_M 0x3 +#define MTI_SCHEDULE_MODE_S 6 +#define MTI_SCHEDULE_STRICT_PRIO 0 +#define MTI_SCHEDULE_WRR 2 +#define MTI_SHAPING_M 0x3 +#define MTI_SHAPING_S 4 +#define MTI_SHAPING_OFF 0 +#define MTI_SHAPING_SRP 1 +#define MTI_SHAPING_TIME_AWARE 2 + +#define REG_PORT_MTI_QUEUE_CTRL_1 0x0915 + +#define MTI_TX_RATIO_M (BIT(7) - 1) + +#define REG_PORT_MTI_QUEUE_CTRL_2__2 0x0916 +#define REG_PORT_MTI_HI_WATER_MARK 0x0916 +#define REG_PORT_MTI_QUEUE_CTRL_3__2 0x0918 +#define REG_PORT_MTI_LO_WATER_MARK 0x0918 +#define REG_PORT_MTI_QUEUE_CTRL_4__2 0x091A +#define REG_PORT_MTI_CREDIT_INCREMENT 0x091A + +/* A - QM */ + +#define REG_PORT_QM_CTRL__4 0x0A00 + +#define PORT_QM_DROP_PRIO_M 0x3 + +#define REG_PORT_VLAN_MEMBERSHIP__4 0x0A04 + +#define REG_PORT_QM_QUEUE_INDEX__4 0x0A08 + +#define PORT_QM_QUEUE_INDEX_S 24 +#define PORT_QM_BURST_SIZE_S 16 +#define PORT_QM_MIN_RESV_SPACE_M (BIT(11) - 1) + +#define REG_PORT_QM_WATER_MARK__4 0x0A0C + +#define PORT_QM_HI_WATER_MARK_S 16 +#define PORT_QM_LO_WATER_MARK_S 0 +#define PORT_QM_WATER_MARK_M (BIT(11) - 1) + +#define REG_PORT_QM_TX_CNT_0__4 0x0A10 + +#define PORT_QM_TX_CNT_USED_S 0 +#define PORT_QM_TX_CNT_M (BIT(11) - 1) + +#define REG_PORT_QM_TX_CNT_1__4 0x0A14 + +#define PORT_QM_TX_CNT_CALCULATED_S 16 +#define PORT_QM_TX_CNT_AVAIL_S 0 + +/* B - LUE */ +#define REG_PORT_LUE_CTRL 0x0B00 + +#define PORT_VLAN_LOOKUP_VID_0 BIT(7) +#define PORT_INGRESS_FILTER BIT(6) +#define PORT_DISCARD_NON_VID BIT(5) +#define PORT_MAC_BASED_802_1X BIT(4) +#define PORT_SRC_ADDR_FILTER BIT(3) + +#define REG_PORT_LUE_MSTP_INDEX 0x0B01 + +#define REG_PORT_LUE_MSTP_STATE 0x0B04 + +/* C - PTP */ + +#define REG_PTP_PORT_RX_DELAY__2 0x0C00 +#define REG_PTP_PORT_TX_DELAY__2 0x0C02 +#define REG_PTP_PORT_ASYM_DELAY__2 0x0C04 + +#define REG_PTP_PORT_XDELAY_TS 0x0C08 +#define REG_PTP_PORT_XDELAY_TS_H 0x0C08 +#define REG_PTP_PORT_XDELAY_TS_L 0x0C0A + +#define REG_PTP_PORT_SYNC_TS 0x0C0C +#define REG_PTP_PORT_SYNC_TS_H 0x0C0C +#define REG_PTP_PORT_SYNC_TS_L 0x0C0E + +#define REG_PTP_PORT_PDRESP_TS 0x0C10 +#define REG_PTP_PORT_PDRESP_TS_H 0x0C10 +#define REG_PTP_PORT_PDRESP_TS_L 0x0C12 + +#define REG_PTP_PORT_TX_INT_STATUS__2 0x0C14 +#define REG_PTP_PORT_TX_INT_ENABLE__2 0x0C16 + +#define PTP_PORT_SYNC_INT BIT(15) +#define PTP_PORT_XDELAY_REQ_INT BIT(14) +#define PTP_PORT_PDELAY_RESP_INT BIT(13) + +#define REG_PTP_PORT_LINK_DELAY__4 0x0C18 + +#define PRIO_QUEUES 4 +#define RX_PRIO_QUEUES 8 + +#define KS_PRIO_IN_REG 2 + +#define TOTAL_PORT_NUM 7 + +#define KSZ9477_COUNTER_NUM 0x20 +#define TOTAL_KSZ9477_COUNTER_NUM (KSZ9477_COUNTER_NUM + 2 + 2) + +#define SWITCH_COUNTER_NUM KSZ9477_COUNTER_NUM +#define TOTAL_SWITCH_COUNTER_NUM TOTAL_KSZ9477_COUNTER_NUM + +#define P_BCAST_STORM_CTRL REG_PORT_MAC_CTRL_0 +#define P_PRIO_CTRL REG_PORT_MRI_PRIO_CTRL +#define P_MIRROR_CTRL REG_PORT_MRI_MIRROR_CTRL +#define P_PHY_CTRL REG_PORT_PHY_CTRL +#define P_RATE_LIMIT_CTRL REG_PORT_MAC_IN_RATE_LIMIT + +#define S_LINK_AGING_CTRL REG_SW_LUE_CTRL_1 +#define S_MIRROR_CTRL REG_SW_MRI_CTRL_0 +#define S_REPLACE_VID_CTRL REG_SW_MAC_CTRL_2 +#define S_802_1P_PRIO_CTRL REG_SW_MAC_802_1P_MAP_0 +#define S_TOS_PRIO_CTRL REG_SW_MAC_TOS_PRIO_0 +#define S_FLUSH_TABLE_CTRL REG_SW_LUE_CTRL_1 + +#define SW_FLUSH_DYN_MAC_TABLE SW_FLUSH_MSTP_TABLE + +#define MAX_TIMESTAMP_UNIT 2 +#define MAX_TRIG_UNIT 3 +#define MAX_TIMESTAMP_EVENT_UNIT 8 +#define MAX_GPIO 4 + +#define PTP_TRIG_UNIT_M (BIT(MAX_TRIG_UNIT) - 1) +#define PTP_TS_UNIT_M (BIT(MAX_TIMESTAMP_UNIT) - 1) + +#define KSZ9477_MAX_FRAME_SIZE 9000 + +#endif /* KSZ9477_REGS_H */ diff --git a/drivers/net/dsa/microchip/ksz_common.c b/drivers/net/dsa/microchip/ksz_common.c new file mode 100644 index 000000000..dc9eea3c8 --- /dev/null +++ b/drivers/net/dsa/microchip/ksz_common.c @@ -0,0 +1,3044 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Microchip switch driver main logic + * + * Copyright (C) 2017-2019 Microchip Technology Inc. + */ + +#include <linux/delay.h> +#include <linux/export.h> +#include <linux/gpio/consumer.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/platform_data/microchip-ksz.h> +#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> +#include <net/dsa.h> +#include <net/switchdev.h> + +#include "ksz_common.h" +#include "ksz8.h" +#include "ksz9477.h" +#include "lan937x.h" + +#define MIB_COUNTER_NUM 0x20 + +struct ksz_stats_raw { + u64 rx_hi; + u64 rx_undersize; + u64 rx_fragments; + u64 rx_oversize; + u64 rx_jabbers; + u64 rx_symbol_err; + u64 rx_crc_err; + u64 rx_align_err; + u64 rx_mac_ctrl; + u64 rx_pause; + u64 rx_bcast; + u64 rx_mcast; + u64 rx_ucast; + u64 rx_64_or_less; + u64 rx_65_127; + u64 rx_128_255; + u64 rx_256_511; + u64 rx_512_1023; + u64 rx_1024_1522; + u64 rx_1523_2000; + u64 rx_2001; + u64 tx_hi; + u64 tx_late_col; + u64 tx_pause; + u64 tx_bcast; + u64 tx_mcast; + u64 tx_ucast; + u64 tx_deferred; + u64 tx_total_col; + u64 tx_exc_col; + u64 tx_single_col; + u64 tx_mult_col; + u64 rx_total; + u64 tx_total; + u64 rx_discards; + u64 tx_discards; +}; + +static const struct ksz_mib_names ksz88xx_mib_names[] = { + { 0x00, "rx" }, + { 0x01, "rx_hi" }, + { 0x02, "rx_undersize" }, + { 0x03, "rx_fragments" }, + { 0x04, "rx_oversize" }, + { 0x05, "rx_jabbers" }, + { 0x06, "rx_symbol_err" }, + { 0x07, "rx_crc_err" }, + { 0x08, "rx_align_err" }, + { 0x09, "rx_mac_ctrl" }, + { 0x0a, "rx_pause" }, + { 0x0b, "rx_bcast" }, + { 0x0c, "rx_mcast" }, + { 0x0d, "rx_ucast" }, + { 0x0e, "rx_64_or_less" }, + { 0x0f, "rx_65_127" }, + { 0x10, "rx_128_255" }, + { 0x11, "rx_256_511" }, + { 0x12, "rx_512_1023" }, + { 0x13, "rx_1024_1522" }, + { 0x14, "tx" }, + { 0x15, "tx_hi" }, + { 0x16, "tx_late_col" }, + { 0x17, "tx_pause" }, + { 0x18, "tx_bcast" }, + { 0x19, "tx_mcast" }, + { 0x1a, "tx_ucast" }, + { 0x1b, "tx_deferred" }, + { 0x1c, "tx_total_col" }, + { 0x1d, "tx_exc_col" }, + { 0x1e, "tx_single_col" }, + { 0x1f, "tx_mult_col" }, + { 0x100, "rx_discards" }, + { 0x101, "tx_discards" }, +}; + +static const struct ksz_mib_names ksz9477_mib_names[] = { + { 0x00, "rx_hi" }, + { 0x01, "rx_undersize" }, + { 0x02, "rx_fragments" }, + { 0x03, "rx_oversize" }, + { 0x04, "rx_jabbers" }, + { 0x05, "rx_symbol_err" }, + { 0x06, "rx_crc_err" }, + { 0x07, "rx_align_err" }, + { 0x08, "rx_mac_ctrl" }, + { 0x09, "rx_pause" }, + { 0x0A, "rx_bcast" }, + { 0x0B, "rx_mcast" }, + { 0x0C, "rx_ucast" }, + { 0x0D, "rx_64_or_less" }, + { 0x0E, "rx_65_127" }, + { 0x0F, "rx_128_255" }, + { 0x10, "rx_256_511" }, + { 0x11, "rx_512_1023" }, + { 0x12, "rx_1024_1522" }, + { 0x13, "rx_1523_2000" }, + { 0x14, "rx_2001" }, + { 0x15, "tx_hi" }, + { 0x16, "tx_late_col" }, + { 0x17, "tx_pause" }, + { 0x18, "tx_bcast" }, + { 0x19, "tx_mcast" }, + { 0x1A, "tx_ucast" }, + { 0x1B, "tx_deferred" }, + { 0x1C, "tx_total_col" }, + { 0x1D, "tx_exc_col" }, + { 0x1E, "tx_single_col" }, + { 0x1F, "tx_mult_col" }, + { 0x80, "rx_total" }, + { 0x81, "tx_total" }, + { 0x82, "rx_discards" }, + { 0x83, "tx_discards" }, +}; + +static const struct ksz_dev_ops ksz8_dev_ops = { + .setup = ksz8_setup, + .get_port_addr = ksz8_get_port_addr, + .cfg_port_member = ksz8_cfg_port_member, + .flush_dyn_mac_table = ksz8_flush_dyn_mac_table, + .port_setup = ksz8_port_setup, + .r_phy = ksz8_r_phy, + .w_phy = ksz8_w_phy, + .r_mib_cnt = ksz8_r_mib_cnt, + .r_mib_pkt = ksz8_r_mib_pkt, + .freeze_mib = ksz8_freeze_mib, + .port_init_cnt = ksz8_port_init_cnt, + .fdb_dump = ksz8_fdb_dump, + .mdb_add = ksz8_mdb_add, + .mdb_del = ksz8_mdb_del, + .vlan_filtering = ksz8_port_vlan_filtering, + .vlan_add = ksz8_port_vlan_add, + .vlan_del = ksz8_port_vlan_del, + .mirror_add = ksz8_port_mirror_add, + .mirror_del = ksz8_port_mirror_del, + .get_caps = ksz8_get_caps, + .config_cpu_port = ksz8_config_cpu_port, + .enable_stp_addr = ksz8_enable_stp_addr, + .reset = ksz8_reset_switch, + .init = ksz8_switch_init, + .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, + .r_mib_pkt = ksz9477_r_mib_pkt, + .r_mib_stat64 = ksz_r_mib_stats64, + .freeze_mib = ksz9477_freeze_mib, + .port_init_cnt = ksz9477_port_init_cnt, + .vlan_filtering = ksz9477_port_vlan_filtering, + .vlan_add = ksz9477_port_vlan_add, + .vlan_del = ksz9477_port_vlan_del, + .mirror_add = ksz9477_port_mirror_add, + .mirror_del = ksz9477_port_mirror_del, + .get_caps = ksz9477_get_caps, + .fdb_dump = ksz9477_fdb_dump, + .fdb_add = ksz9477_fdb_add, + .fdb_del = ksz9477_fdb_del, + .mdb_add = ksz9477_mdb_add, + .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, + .init = ksz9477_switch_init, + .exit = ksz9477_switch_exit, +}; + +static const struct ksz_dev_ops lan937x_dev_ops = { + .setup = lan937x_setup, + .teardown = lan937x_teardown, + .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 = 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, + .r_mib_pkt = ksz9477_r_mib_pkt, + .r_mib_stat64 = ksz_r_mib_stats64, + .freeze_mib = ksz9477_freeze_mib, + .port_init_cnt = ksz9477_port_init_cnt, + .vlan_filtering = ksz9477_port_vlan_filtering, + .vlan_add = ksz9477_port_vlan_add, + .vlan_del = ksz9477_port_vlan_del, + .mirror_add = ksz9477_port_mirror_add, + .mirror_del = ksz9477_port_mirror_del, + .get_caps = lan937x_phylink_get_caps, + .setup_rgmii_delay = lan937x_setup_rgmii_delay, + .fdb_dump = ksz9477_fdb_dump, + .fdb_add = ksz9477_fdb_add, + .fdb_del = ksz9477_fdb_del, + .mdb_add = ksz9477_mdb_add, + .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, + .init = lan937x_switch_init, + .exit = lan937x_switch_exit, +}; + +static const u16 ksz8795_regs[] = { + [REG_IND_CTRL_0] = 0x6E, + [REG_IND_DATA_8] = 0x70, + [REG_IND_DATA_CHECK] = 0x72, + [REG_IND_DATA_HI] = 0x71, + [REG_IND_DATA_LO] = 0x75, + [REG_IND_MIB_CHECK] = 0x74, + [REG_IND_BYTE] = 0xA0, + [P_FORCE_CTRL] = 0x0C, + [P_LINK_STATUS] = 0x0E, + [P_LOCAL_CTRL] = 0x07, + [P_NEG_RESTART_CTRL] = 0x0D, + [P_REMOTE_STATUS] = 0x08, + [P_SPEED_STATUS] = 0x09, + [S_TAIL_TAG_CTRL] = 0x0C, + [P_STP_CTRL] = 0x02, + [S_START_CTRL] = 0x01, + [S_BROADCAST_CTRL] = 0x06, + [S_MULTICAST_CTRL] = 0x04, + [P_XMII_CTRL_0] = 0x06, + [P_XMII_CTRL_1] = 0x06, +}; + +static const u32 ksz8795_masks[] = { + [PORT_802_1P_REMAPPING] = BIT(7), + [SW_TAIL_TAG_ENABLE] = BIT(1), + [MIB_COUNTER_OVERFLOW] = BIT(6), + [MIB_COUNTER_VALID] = BIT(5), + [VLAN_TABLE_FID] = GENMASK(6, 0), + [VLAN_TABLE_MEMBERSHIP] = GENMASK(11, 7), + [VLAN_TABLE_VALID] = BIT(12), + [STATIC_MAC_TABLE_VALID] = BIT(21), + [STATIC_MAC_TABLE_USE_FID] = BIT(23), + [STATIC_MAC_TABLE_FID] = GENMASK(30, 24), + [STATIC_MAC_TABLE_OVERRIDE] = BIT(22), + [STATIC_MAC_TABLE_FWD_PORTS] = GENMASK(20, 16), + [DYNAMIC_MAC_TABLE_ENTRIES_H] = GENMASK(6, 0), + [DYNAMIC_MAC_TABLE_MAC_EMPTY] = BIT(7), + [DYNAMIC_MAC_TABLE_NOT_READY] = BIT(7), + [DYNAMIC_MAC_TABLE_ENTRIES] = GENMASK(31, 29), + [DYNAMIC_MAC_TABLE_FID] = GENMASK(22, 16), + [DYNAMIC_MAC_TABLE_SRC_PORT] = GENMASK(26, 24), + [DYNAMIC_MAC_TABLE_TIMESTAMP] = GENMASK(28, 27), + [P_MII_TX_FLOW_CTRL] = BIT(5), + [P_MII_RX_FLOW_CTRL] = BIT(5), +}; + +static const u8 ksz8795_xmii_ctrl0[] = { + [P_MII_100MBIT] = 0, + [P_MII_10MBIT] = 1, + [P_MII_FULL_DUPLEX] = 0, + [P_MII_HALF_DUPLEX] = 1, +}; + +static const u8 ksz8795_xmii_ctrl1[] = { + [P_RGMII_SEL] = 3, + [P_GMII_SEL] = 2, + [P_RMII_SEL] = 1, + [P_MII_SEL] = 0, + [P_GMII_1GBIT] = 1, + [P_GMII_NOT_1GBIT] = 0, +}; + +static const u8 ksz8795_shifts[] = { + [VLAN_TABLE_MEMBERSHIP_S] = 7, + [VLAN_TABLE] = 16, + [STATIC_MAC_FWD_PORTS] = 16, + [STATIC_MAC_FID] = 24, + [DYNAMIC_MAC_ENTRIES_H] = 3, + [DYNAMIC_MAC_ENTRIES] = 29, + [DYNAMIC_MAC_FID] = 16, + [DYNAMIC_MAC_TIMESTAMP] = 27, + [DYNAMIC_MAC_SRC_PORT] = 24, +}; + +static const u16 ksz8863_regs[] = { + [REG_IND_CTRL_0] = 0x79, + [REG_IND_DATA_8] = 0x7B, + [REG_IND_DATA_CHECK] = 0x7B, + [REG_IND_DATA_HI] = 0x7C, + [REG_IND_DATA_LO] = 0x80, + [REG_IND_MIB_CHECK] = 0x80, + [P_FORCE_CTRL] = 0x0C, + [P_LINK_STATUS] = 0x0E, + [P_LOCAL_CTRL] = 0x0C, + [P_NEG_RESTART_CTRL] = 0x0D, + [P_REMOTE_STATUS] = 0x0E, + [P_SPEED_STATUS] = 0x0F, + [S_TAIL_TAG_CTRL] = 0x03, + [P_STP_CTRL] = 0x02, + [S_START_CTRL] = 0x01, + [S_BROADCAST_CTRL] = 0x06, + [S_MULTICAST_CTRL] = 0x04, +}; + +static const u32 ksz8863_masks[] = { + [PORT_802_1P_REMAPPING] = BIT(3), + [SW_TAIL_TAG_ENABLE] = BIT(6), + [MIB_COUNTER_OVERFLOW] = BIT(7), + [MIB_COUNTER_VALID] = BIT(6), + [VLAN_TABLE_FID] = GENMASK(15, 12), + [VLAN_TABLE_MEMBERSHIP] = GENMASK(18, 16), + [VLAN_TABLE_VALID] = BIT(19), + [STATIC_MAC_TABLE_VALID] = BIT(19), + [STATIC_MAC_TABLE_USE_FID] = BIT(21), + [STATIC_MAC_TABLE_FID] = GENMASK(25, 22), + [STATIC_MAC_TABLE_OVERRIDE] = BIT(20), + [STATIC_MAC_TABLE_FWD_PORTS] = GENMASK(18, 16), + [DYNAMIC_MAC_TABLE_ENTRIES_H] = GENMASK(1, 0), + [DYNAMIC_MAC_TABLE_MAC_EMPTY] = BIT(2), + [DYNAMIC_MAC_TABLE_NOT_READY] = BIT(7), + [DYNAMIC_MAC_TABLE_ENTRIES] = GENMASK(31, 24), + [DYNAMIC_MAC_TABLE_FID] = GENMASK(19, 16), + [DYNAMIC_MAC_TABLE_SRC_PORT] = GENMASK(21, 20), + [DYNAMIC_MAC_TABLE_TIMESTAMP] = GENMASK(23, 22), +}; + +static u8 ksz8863_shifts[] = { + [VLAN_TABLE_MEMBERSHIP_S] = 16, + [STATIC_MAC_FWD_PORTS] = 16, + [STATIC_MAC_FID] = 22, + [DYNAMIC_MAC_ENTRIES_H] = 8, + [DYNAMIC_MAC_ENTRIES] = 24, + [DYNAMIC_MAC_FID] = 16, + [DYNAMIC_MAC_TIMESTAMP] = 22, + [DYNAMIC_MAC_SRC_PORT] = 20, +}; + +static const u16 ksz9477_regs[] = { + [P_STP_CTRL] = 0x0B04, + [S_START_CTRL] = 0x0300, + [S_BROADCAST_CTRL] = 0x0332, + [S_MULTICAST_CTRL] = 0x0331, + [P_XMII_CTRL_0] = 0x0300, + [P_XMII_CTRL_1] = 0x0301, +}; + +static const u32 ksz9477_masks[] = { + [ALU_STAT_WRITE] = 0, + [ALU_STAT_READ] = 1, + [P_MII_TX_FLOW_CTRL] = BIT(5), + [P_MII_RX_FLOW_CTRL] = BIT(3), +}; + +static const u8 ksz9477_shifts[] = { + [ALU_STAT_INDEX] = 16, +}; + +static const u8 ksz9477_xmii_ctrl0[] = { + [P_MII_100MBIT] = 1, + [P_MII_10MBIT] = 0, + [P_MII_FULL_DUPLEX] = 1, + [P_MII_HALF_DUPLEX] = 0, +}; + +static const u8 ksz9477_xmii_ctrl1[] = { + [P_RGMII_SEL] = 0, + [P_RMII_SEL] = 1, + [P_GMII_SEL] = 2, + [P_MII_SEL] = 3, + [P_GMII_1GBIT] = 0, + [P_GMII_NOT_1GBIT] = 1, +}; + +static const u32 lan937x_masks[] = { + [ALU_STAT_WRITE] = 1, + [ALU_STAT_READ] = 2, + [P_MII_TX_FLOW_CTRL] = BIT(5), + [P_MII_RX_FLOW_CTRL] = BIT(3), +}; + +static const u8 lan937x_shifts[] = { + [ALU_STAT_INDEX] = 8, +}; + +static const struct regmap_range ksz8563_valid_regs[] = { + regmap_reg_range(0x0000, 0x0003), + regmap_reg_range(0x0006, 0x0006), + regmap_reg_range(0x000f, 0x001f), + regmap_reg_range(0x0100, 0x0100), + regmap_reg_range(0x0104, 0x0107), + regmap_reg_range(0x010d, 0x010d), + regmap_reg_range(0x0110, 0x0113), + regmap_reg_range(0x0120, 0x012b), + regmap_reg_range(0x0201, 0x0201), + regmap_reg_range(0x0210, 0x0213), + regmap_reg_range(0x0300, 0x0300), + regmap_reg_range(0x0302, 0x031b), + regmap_reg_range(0x0320, 0x032b), + regmap_reg_range(0x0330, 0x0336), + regmap_reg_range(0x0338, 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), + regmap_reg_range(0x0500, 0x0519), + regmap_reg_range(0x0520, 0x054b), + regmap_reg_range(0x0550, 0x05b3), + + /* port 1 */ + regmap_reg_range(0x1000, 0x1001), + regmap_reg_range(0x1004, 0x100b), + regmap_reg_range(0x1013, 0x1013), + regmap_reg_range(0x1017, 0x1017), + regmap_reg_range(0x101b, 0x101b), + regmap_reg_range(0x101f, 0x1021), + regmap_reg_range(0x1030, 0x1030), + regmap_reg_range(0x1100, 0x1111), + regmap_reg_range(0x111a, 0x111d), + 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(0x1900, 0x1907), + regmap_reg_range(0x1914, 0x191b), + regmap_reg_range(0x1a00, 0x1a03), + regmap_reg_range(0x1a04, 0x1a08), + regmap_reg_range(0x1b00, 0x1b01), + regmap_reg_range(0x1b04, 0x1b04), + regmap_reg_range(0x1c00, 0x1c05), + regmap_reg_range(0x1c08, 0x1c1b), + + /* port 2 */ + regmap_reg_range(0x2000, 0x2001), + regmap_reg_range(0x2004, 0x200b), + regmap_reg_range(0x2013, 0x2013), + regmap_reg_range(0x2017, 0x2017), + regmap_reg_range(0x201b, 0x201b), + regmap_reg_range(0x201f, 0x2021), + regmap_reg_range(0x2030, 0x2030), + regmap_reg_range(0x2100, 0x2111), + regmap_reg_range(0x211a, 0x211d), + 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(0x2900, 0x2907), + regmap_reg_range(0x2914, 0x291b), + regmap_reg_range(0x2a00, 0x2a03), + regmap_reg_range(0x2a04, 0x2a08), + regmap_reg_range(0x2b00, 0x2b01), + regmap_reg_range(0x2b04, 0x2b04), + regmap_reg_range(0x2c00, 0x2c05), + regmap_reg_range(0x2c08, 0x2c1b), + + /* port 3 */ + regmap_reg_range(0x3000, 0x3001), + regmap_reg_range(0x3004, 0x300b), + regmap_reg_range(0x3013, 0x3013), + regmap_reg_range(0x3017, 0x3017), + regmap_reg_range(0x301b, 0x301b), + regmap_reg_range(0x301f, 0x3021), + regmap_reg_range(0x3030, 0x3030), + regmap_reg_range(0x3300, 0x3301), + regmap_reg_range(0x3303, 0x3303), + 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(0x3900, 0x3907), + regmap_reg_range(0x3914, 0x391b), + regmap_reg_range(0x3a00, 0x3a03), + regmap_reg_range(0x3a04, 0x3a08), + regmap_reg_range(0x3b00, 0x3b01), + regmap_reg_range(0x3b04, 0x3b04), + regmap_reg_range(0x3c00, 0x3c05), + regmap_reg_range(0x3c08, 0x3c1b), +}; + +static const struct regmap_access_table ksz8563_register_set = { + .yes_ranges = ksz8563_valid_regs, + .n_yes_ranges = ARRAY_SIZE(ksz8563_valid_regs), +}; + +static const struct regmap_range ksz9477_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, 0x012b), + regmap_reg_range(0x0201, 0x0201), + regmap_reg_range(0x0210, 0x0213), + regmap_reg_range(0x0300, 0x0300), + regmap_reg_range(0x0302, 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), + regmap_reg_range(0x0444, 0x044b), + regmap_reg_range(0x0450, 0x046f), + regmap_reg_range(0x0500, 0x0519), + regmap_reg_range(0x0520, 0x054b), + regmap_reg_range(0x0550, 0x05b3), + regmap_reg_range(0x0604, 0x060b), + regmap_reg_range(0x0610, 0x0612), + regmap_reg_range(0x0614, 0x062c), + regmap_reg_range(0x0640, 0x0645), + regmap_reg_range(0x0648, 0x064d), + + /* 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(0x1120, 0x112b), + regmap_reg_range(0x1134, 0x113b), + regmap_reg_range(0x113c, 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, 0x1613), + 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, 0x191b), + regmap_reg_range(0x1920, 0x1920), + regmap_reg_range(0x1923, 0x1927), + regmap_reg_range(0x1a00, 0x1a03), + regmap_reg_range(0x1a04, 0x1a07), + regmap_reg_range(0x1b00, 0x1b01), + regmap_reg_range(0x1b04, 0x1b04), + regmap_reg_range(0x1c00, 0x1c05), + regmap_reg_range(0x1c08, 0x1c1b), + + /* 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(0x2120, 0x212b), + regmap_reg_range(0x2134, 0x213b), + regmap_reg_range(0x213c, 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, 0x2613), + 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, 0x291b), + regmap_reg_range(0x2920, 0x2920), + regmap_reg_range(0x2923, 0x2927), + regmap_reg_range(0x2a00, 0x2a03), + regmap_reg_range(0x2a04, 0x2a07), + regmap_reg_range(0x2b00, 0x2b01), + regmap_reg_range(0x2b04, 0x2b04), + regmap_reg_range(0x2c00, 0x2c05), + regmap_reg_range(0x2c08, 0x2c1b), + + /* 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(0x3120, 0x312b), + regmap_reg_range(0x3134, 0x313b), + regmap_reg_range(0x313c, 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, 0x3613), + 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, 0x391b), + regmap_reg_range(0x3920, 0x3920), + regmap_reg_range(0x3923, 0x3927), + regmap_reg_range(0x3a00, 0x3a03), + regmap_reg_range(0x3a04, 0x3a07), + regmap_reg_range(0x3b00, 0x3b01), + regmap_reg_range(0x3b04, 0x3b04), + regmap_reg_range(0x3c00, 0x3c05), + regmap_reg_range(0x3c08, 0x3c1b), + + /* 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(0x4120, 0x412b), + regmap_reg_range(0x4134, 0x413b), + regmap_reg_range(0x413c, 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, 0x4613), + 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, 0x491b), + regmap_reg_range(0x4920, 0x4920), + regmap_reg_range(0x4923, 0x4927), + regmap_reg_range(0x4a00, 0x4a03), + regmap_reg_range(0x4a04, 0x4a07), + regmap_reg_range(0x4b00, 0x4b01), + regmap_reg_range(0x4b04, 0x4b04), + regmap_reg_range(0x4c00, 0x4c05), + regmap_reg_range(0x4c08, 0x4c1b), + + /* 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(0x5120, 0x512b), + regmap_reg_range(0x5134, 0x513b), + regmap_reg_range(0x513c, 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, 0x5613), + 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, 0x591b), + regmap_reg_range(0x5920, 0x5920), + regmap_reg_range(0x5923, 0x5927), + regmap_reg_range(0x5a00, 0x5a03), + regmap_reg_range(0x5a04, 0x5a07), + regmap_reg_range(0x5b00, 0x5b01), + regmap_reg_range(0x5b04, 0x5b04), + regmap_reg_range(0x5c00, 0x5c05), + regmap_reg_range(0x5c08, 0x5c1b), + + /* 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(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, 0x6613), + 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, 0x691b), + regmap_reg_range(0x6920, 0x6920), + regmap_reg_range(0x6923, 0x6927), + regmap_reg_range(0x6a00, 0x6a03), + regmap_reg_range(0x6a04, 0x6a07), + regmap_reg_range(0x6b00, 0x6b01), + regmap_reg_range(0x6b04, 0x6b04), + regmap_reg_range(0x6c00, 0x6c05), + regmap_reg_range(0x6c08, 0x6c1b), + + /* port 7 */ + regmap_reg_range(0x7000, 0x7001), + regmap_reg_range(0x7013, 0x7013), + regmap_reg_range(0x7017, 0x7017), + regmap_reg_range(0x701b, 0x701b), + regmap_reg_range(0x701f, 0x7020), + regmap_reg_range(0x7030, 0x7030), + regmap_reg_range(0x7200, 0x7203), + regmap_reg_range(0x7206, 0x7207), + regmap_reg_range(0x7300, 0x7301), + regmap_reg_range(0x7400, 0x7401), + regmap_reg_range(0x7403, 0x7403), + regmap_reg_range(0x7410, 0x7417), + regmap_reg_range(0x7420, 0x7423), + regmap_reg_range(0x7500, 0x7507), + regmap_reg_range(0x7600, 0x7613), + regmap_reg_range(0x7800, 0x780f), + regmap_reg_range(0x7820, 0x7827), + regmap_reg_range(0x7830, 0x7837), + regmap_reg_range(0x7840, 0x784b), + regmap_reg_range(0x7900, 0x7907), + regmap_reg_range(0x7914, 0x791b), + regmap_reg_range(0x7920, 0x7920), + regmap_reg_range(0x7923, 0x7927), + regmap_reg_range(0x7a00, 0x7a03), + regmap_reg_range(0x7a04, 0x7a07), + regmap_reg_range(0x7b00, 0x7b01), + regmap_reg_range(0x7b04, 0x7b04), + regmap_reg_range(0x7c00, 0x7c05), + regmap_reg_range(0x7c08, 0x7c1b), +}; + +static const struct regmap_access_table ksz9477_register_set = { + .yes_ranges = ksz9477_valid_regs, + .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, + .dev_name = "KSZ8563", + .num_vlans = 4096, + .num_alus = 4096, + .num_statics = 16, + .cpu_ports = 0x07, /* can be configured as cpu port */ + .port_cnt = 3, /* total port count */ + .ops = &ksz9477_dev_ops, + .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 = ksz8795_xmii_ctrl1, /* Same as ksz8795 */ + .supports_mii = {false, false, true}, + .supports_rmii = {false, false, true}, + .supports_rgmii = {false, false, true}, + .internal_phy = {true, true, false}, + .gbit_capable = {false, false, true}, + .wr_table = &ksz8563_register_set, + .rd_table = &ksz8563_register_set, + }, + + [KSZ8795] = { + .chip_id = KSZ8795_CHIP_ID, + .dev_name = "KSZ8795", + .num_vlans = 4096, + .num_alus = 0, + .num_statics = 8, + .cpu_ports = 0x10, /* can be configured as cpu port */ + .port_cnt = 5, /* total cpu and user ports */ + .ops = &ksz8_dev_ops, + .ksz87xx_eee_link_erratum = true, + .mib_names = ksz9477_mib_names, + .mib_cnt = ARRAY_SIZE(ksz9477_mib_names), + .reg_mib_cnt = MIB_COUNTER_NUM, + .regs = ksz8795_regs, + .masks = ksz8795_masks, + .shifts = ksz8795_shifts, + .xmii_ctrl0 = ksz8795_xmii_ctrl0, + .xmii_ctrl1 = ksz8795_xmii_ctrl1, + .supports_mii = {false, false, false, false, true}, + .supports_rmii = {false, false, false, false, true}, + .supports_rgmii = {false, false, false, false, true}, + .internal_phy = {true, true, true, true, false}, + }, + + [KSZ8794] = { + /* WARNING + * ======= + * KSZ8794 is similar to KSZ8795, except the port map + * contains a gap between external and CPU ports, the + * port map is NOT continuous. The per-port register + * map is shifted accordingly too, i.e. registers at + * offset 0x40 are NOT used on KSZ8794 and they ARE + * used on KSZ8795 for external port 3. + * external cpu + * KSZ8794 0,1,2 4 + * KSZ8795 0,1,2,3 4 + * KSZ8765 0,1,2,3 4 + * port_cnt is configured as 5, even though it is 4 + */ + .chip_id = KSZ8794_CHIP_ID, + .dev_name = "KSZ8794", + .num_vlans = 4096, + .num_alus = 0, + .num_statics = 8, + .cpu_ports = 0x10, /* can be configured as cpu port */ + .port_cnt = 5, /* total cpu and user ports */ + .ops = &ksz8_dev_ops, + .ksz87xx_eee_link_erratum = true, + .mib_names = ksz9477_mib_names, + .mib_cnt = ARRAY_SIZE(ksz9477_mib_names), + .reg_mib_cnt = MIB_COUNTER_NUM, + .regs = ksz8795_regs, + .masks = ksz8795_masks, + .shifts = ksz8795_shifts, + .xmii_ctrl0 = ksz8795_xmii_ctrl0, + .xmii_ctrl1 = ksz8795_xmii_ctrl1, + .supports_mii = {false, false, false, false, true}, + .supports_rmii = {false, false, false, false, true}, + .supports_rgmii = {false, false, false, false, true}, + .internal_phy = {true, true, true, false, false}, + }, + + [KSZ8765] = { + .chip_id = KSZ8765_CHIP_ID, + .dev_name = "KSZ8765", + .num_vlans = 4096, + .num_alus = 0, + .num_statics = 8, + .cpu_ports = 0x10, /* can be configured as cpu port */ + .port_cnt = 5, /* total cpu and user ports */ + .ops = &ksz8_dev_ops, + .ksz87xx_eee_link_erratum = true, + .mib_names = ksz9477_mib_names, + .mib_cnt = ARRAY_SIZE(ksz9477_mib_names), + .reg_mib_cnt = MIB_COUNTER_NUM, + .regs = ksz8795_regs, + .masks = ksz8795_masks, + .shifts = ksz8795_shifts, + .xmii_ctrl0 = ksz8795_xmii_ctrl0, + .xmii_ctrl1 = ksz8795_xmii_ctrl1, + .supports_mii = {false, false, false, false, true}, + .supports_rmii = {false, false, false, false, true}, + .supports_rgmii = {false, false, false, false, true}, + .internal_phy = {true, true, true, true, false}, + }, + + [KSZ8830] = { + .chip_id = KSZ8830_CHIP_ID, + .dev_name = "KSZ8863/KSZ8873", + .num_vlans = 16, + .num_alus = 0, + .num_statics = 8, + .cpu_ports = 0x4, /* can be configured as cpu port */ + .port_cnt = 3, + .ops = &ksz8_dev_ops, + .mib_names = ksz88xx_mib_names, + .mib_cnt = ARRAY_SIZE(ksz88xx_mib_names), + .reg_mib_cnt = MIB_COUNTER_NUM, + .regs = ksz8863_regs, + .masks = ksz8863_masks, + .shifts = ksz8863_shifts, + .supports_mii = {false, false, true}, + .supports_rmii = {false, false, true}, + .internal_phy = {true, true, false}, + }, + + [KSZ9477] = { + .chip_id = KSZ9477_CHIP_ID, + .dev_name = "KSZ9477", + .num_vlans = 4096, + .num_alus = 4096, + .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, + .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, false}, + .supports_rmii = {false, false, false, false, + false, true, false}, + .supports_rgmii = {false, false, false, false, + false, true, false}, + .internal_phy = {true, true, true, true, + true, false, false}, + .gbit_capable = {true, true, true, true, true, true, true}, + .wr_table = &ksz9477_register_set, + .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", + .num_vlans = 4096, + .num_alus = 4096, + .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, + .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, true}, + .supports_rmii = {false, false, false, false, + false, true, true}, + .supports_rgmii = {false, false, false, false, + false, true, true}, + .internal_phy = {true, true, true, true, + true, false, false}, + .gbit_capable = {true, true, true, true, true, true, true}, + }, + + [KSZ9893] = { + .chip_id = KSZ9893_CHIP_ID, + .dev_name = "KSZ9893", + .num_vlans = 4096, + .num_alus = 4096, + .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), + .reg_mib_cnt = MIB_COUNTER_NUM, + .regs = ksz9477_regs, + .masks = ksz9477_masks, + .shifts = ksz9477_shifts, + .xmii_ctrl0 = ksz9477_xmii_ctrl0, + .xmii_ctrl1 = ksz8795_xmii_ctrl1, /* Same as ksz8795 */ + .supports_mii = {false, false, true}, + .supports_rmii = {false, false, true}, + .supports_rgmii = {false, false, true}, + .internal_phy = {true, true, false}, + .gbit_capable = {true, true, true}, + }, + + [KSZ9567] = { + .chip_id = KSZ9567_CHIP_ID, + .dev_name = "KSZ9567", + .num_vlans = 4096, + .num_alus = 4096, + .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, + .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, true}, + .supports_rmii = {false, false, false, false, + false, true, true}, + .supports_rgmii = {false, false, false, false, + false, true, true}, + .internal_phy = {true, true, true, true, + true, false, false}, + .gbit_capable = {true, true, true, true, true, true, true}, + }, + + [LAN9370] = { + .chip_id = LAN9370_CHIP_ID, + .dev_name = "LAN9370", + .num_vlans = 4096, + .num_alus = 1024, + .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), + .reg_mib_cnt = MIB_COUNTER_NUM, + .regs = ksz9477_regs, + .masks = lan937x_masks, + .shifts = lan937x_shifts, + .xmii_ctrl0 = ksz9477_xmii_ctrl0, + .xmii_ctrl1 = ksz9477_xmii_ctrl1, + .supports_mii = {false, false, false, false, true}, + .supports_rmii = {false, false, false, false, true}, + .supports_rgmii = {false, false, false, false, true}, + .internal_phy = {true, true, true, true, false}, + }, + + [LAN9371] = { + .chip_id = LAN9371_CHIP_ID, + .dev_name = "LAN9371", + .num_vlans = 4096, + .num_alus = 1024, + .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), + .reg_mib_cnt = MIB_COUNTER_NUM, + .regs = ksz9477_regs, + .masks = lan937x_masks, + .shifts = lan937x_shifts, + .xmii_ctrl0 = ksz9477_xmii_ctrl0, + .xmii_ctrl1 = ksz9477_xmii_ctrl1, + .supports_mii = {false, false, false, false, true, true}, + .supports_rmii = {false, false, false, false, true, true}, + .supports_rgmii = {false, false, false, false, true, true}, + .internal_phy = {true, true, true, true, false, false}, + }, + + [LAN9372] = { + .chip_id = LAN9372_CHIP_ID, + .dev_name = "LAN9372", + .num_vlans = 4096, + .num_alus = 1024, + .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), + .reg_mib_cnt = MIB_COUNTER_NUM, + .regs = ksz9477_regs, + .masks = lan937x_masks, + .shifts = lan937x_shifts, + .xmii_ctrl0 = ksz9477_xmii_ctrl0, + .xmii_ctrl1 = ksz9477_xmii_ctrl1, + .supports_mii = {false, false, false, false, + true, true, false, false}, + .supports_rmii = {false, false, false, false, + true, true, false, false}, + .supports_rgmii = {false, false, false, false, + true, true, false, false}, + .internal_phy = {true, true, true, true, + false, false, true, true}, + }, + + [LAN9373] = { + .chip_id = LAN9373_CHIP_ID, + .dev_name = "LAN9373", + .num_vlans = 4096, + .num_alus = 1024, + .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), + .reg_mib_cnt = MIB_COUNTER_NUM, + .regs = ksz9477_regs, + .masks = lan937x_masks, + .shifts = lan937x_shifts, + .xmii_ctrl0 = ksz9477_xmii_ctrl0, + .xmii_ctrl1 = ksz9477_xmii_ctrl1, + .supports_mii = {false, false, false, false, + true, true, false, false}, + .supports_rmii = {false, false, false, false, + true, true, false, false}, + .supports_rgmii = {false, false, false, false, + true, true, false, false}, + .internal_phy = {true, true, true, false, + false, false, true, true}, + }, + + [LAN9374] = { + .chip_id = LAN9374_CHIP_ID, + .dev_name = "LAN9374", + .num_vlans = 4096, + .num_alus = 1024, + .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), + .reg_mib_cnt = MIB_COUNTER_NUM, + .regs = ksz9477_regs, + .masks = lan937x_masks, + .shifts = lan937x_shifts, + .xmii_ctrl0 = ksz9477_xmii_ctrl0, + .xmii_ctrl1 = ksz9477_xmii_ctrl1, + .supports_mii = {false, false, false, false, + true, true, false, false}, + .supports_rmii = {false, false, false, false, + true, true, false, false}, + .supports_rgmii = {false, false, false, false, + true, true, false, false}, + .internal_phy = {true, true, true, true, + false, false, true, true}, + }, +}; +EXPORT_SYMBOL_GPL(ksz_switch_chips); + +static const struct ksz_chip_data *ksz_lookup_info(unsigned int prod_num) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(ksz_switch_chips); i++) { + const struct ksz_chip_data *chip = &ksz_switch_chips[i]; + + if (chip->chip_id == prod_num) + return chip; + } + + return NULL; +} + +static int ksz_check_device_id(struct ksz_device *dev) +{ + const struct ksz_chip_data *dt_chip_data; + + dt_chip_data = of_device_get_match_data(dev->dev); + + /* Check for Device Tree and Chip ID */ + if (dt_chip_data->chip_id != dev->chip_id) { + dev_err(dev->dev, + "Device tree specifies chip %s but found %s, please fix it!\n", + dt_chip_data->dev_name, dev->info->dev_name); + return -ENODEV; + } + + return 0; +} + +static void ksz_phylink_get_caps(struct dsa_switch *ds, int port, + struct phylink_config *config) +{ + struct ksz_device *dev = ds->priv; + + config->legacy_pre_march2020 = false; + + if (dev->info->supports_mii[port]) + __set_bit(PHY_INTERFACE_MODE_MII, config->supported_interfaces); + + if (dev->info->supports_rmii[port]) + __set_bit(PHY_INTERFACE_MODE_RMII, + config->supported_interfaces); + + if (dev->info->supports_rgmii[port]) + phy_interface_set_rgmii(config->supported_interfaces); + + if (dev->info->internal_phy[port]) { + __set_bit(PHY_INTERFACE_MODE_INTERNAL, + config->supported_interfaces); + /* Compatibility for phylib's default interface type when the + * phy-mode property is absent + */ + __set_bit(PHY_INTERFACE_MODE_GMII, + config->supported_interfaces); + } + + if (dev->dev_ops->get_caps) + dev->dev_ops->get_caps(dev, port, config); +} + +void ksz_r_mib_stats64(struct ksz_device *dev, int port) +{ + struct ethtool_pause_stats *pstats; + struct rtnl_link_stats64 *stats; + struct ksz_stats_raw *raw; + struct ksz_port_mib *mib; + + mib = &dev->ports[port].mib; + stats = &mib->stats64; + pstats = &mib->pause_stats; + raw = (struct ksz_stats_raw *)mib->counters; + + spin_lock(&mib->stats64_lock); + + stats->rx_packets = raw->rx_bcast + raw->rx_mcast + raw->rx_ucast + + raw->rx_pause; + stats->tx_packets = raw->tx_bcast + raw->tx_mcast + raw->tx_ucast + + raw->tx_pause; + + /* HW counters are counting bytes + FCS which is not acceptable + * for rtnl_link_stats64 interface + */ + stats->rx_bytes = raw->rx_total - stats->rx_packets * ETH_FCS_LEN; + stats->tx_bytes = raw->tx_total - stats->tx_packets * ETH_FCS_LEN; + + stats->rx_length_errors = raw->rx_undersize + raw->rx_fragments + + raw->rx_oversize; + + stats->rx_crc_errors = raw->rx_crc_err; + stats->rx_frame_errors = raw->rx_align_err; + stats->rx_dropped = raw->rx_discards; + stats->rx_errors = stats->rx_length_errors + stats->rx_crc_errors + + stats->rx_frame_errors + stats->rx_dropped; + + stats->tx_window_errors = raw->tx_late_col; + stats->tx_fifo_errors = raw->tx_discards; + stats->tx_aborted_errors = raw->tx_exc_col; + stats->tx_errors = stats->tx_window_errors + stats->tx_fifo_errors + + stats->tx_aborted_errors; + + stats->multicast = raw->rx_mcast; + stats->collisions = raw->tx_total_col; + + pstats->tx_pause_frames = raw->tx_pause; + pstats->rx_pause_frames = raw->rx_pause; + + spin_unlock(&mib->stats64_lock); +} + +static void ksz_get_stats64(struct dsa_switch *ds, int port, + struct rtnl_link_stats64 *s) +{ + struct ksz_device *dev = ds->priv; + struct ksz_port_mib *mib; + + mib = &dev->ports[port].mib; + + spin_lock(&mib->stats64_lock); + memcpy(s, &mib->stats64, sizeof(*s)); + spin_unlock(&mib->stats64_lock); +} + +static void ksz_get_pause_stats(struct dsa_switch *ds, int port, + struct ethtool_pause_stats *pause_stats) +{ + struct ksz_device *dev = ds->priv; + struct ksz_port_mib *mib; + + mib = &dev->ports[port].mib; + + spin_lock(&mib->stats64_lock); + memcpy(pause_stats, &mib->pause_stats, sizeof(*pause_stats)); + spin_unlock(&mib->stats64_lock); +} + +static void ksz_get_strings(struct dsa_switch *ds, int port, + u32 stringset, uint8_t *buf) +{ + struct ksz_device *dev = ds->priv; + int i; + + if (stringset != ETH_SS_STATS) + return; + + for (i = 0; i < dev->info->mib_cnt; i++) { + memcpy(buf + i * ETH_GSTRING_LEN, + dev->info->mib_names[i].string, ETH_GSTRING_LEN); + } +} + +static void ksz_update_port_member(struct ksz_device *dev, int port) +{ + struct ksz_port *p = &dev->ports[port]; + struct dsa_switch *ds = dev->ds; + u8 port_member = 0, cpu_port; + const struct dsa_port *dp; + int i, j; + + if (!dsa_is_user_port(ds, port)) + return; + + dp = dsa_to_port(ds, port); + cpu_port = BIT(dsa_upstream_port(ds, port)); + + for (i = 0; i < ds->num_ports; i++) { + const struct dsa_port *other_dp = dsa_to_port(ds, i); + struct ksz_port *other_p = &dev->ports[i]; + u8 val = 0; + + if (!dsa_is_user_port(ds, i)) + continue; + if (port == i) + continue; + if (!dsa_port_bridge_same(dp, other_dp)) + continue; + if (other_p->stp_state != BR_STATE_FORWARDING) + continue; + + if (p->stp_state == BR_STATE_FORWARDING) { + val |= BIT(port); + port_member |= BIT(i); + } + + /* Retain port [i]'s relationship to other ports than [port] */ + for (j = 0; j < ds->num_ports; j++) { + const struct dsa_port *third_dp; + struct ksz_port *third_p; + + if (j == i) + continue; + if (j == port) + continue; + if (!dsa_is_user_port(ds, j)) + continue; + third_p = &dev->ports[j]; + if (third_p->stp_state != BR_STATE_FORWARDING) + continue; + third_dp = dsa_to_port(ds, j); + if (dsa_port_bridge_same(other_dp, third_dp)) + val |= BIT(j); + } + + dev->dev_ops->cfg_port_member(dev, i, val | cpu_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, 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; + + regs = dev->info->regs; + + dev->vlan_cache = devm_kcalloc(dev->dev, sizeof(struct vlan_table), + dev->info->num_vlans, GFP_KERNEL); + if (!dev->vlan_cache) + return -ENOMEM; + + ret = dev->dev_ops->reset(dev); + if (ret) { + dev_err(ds->dev, "failed to reset switch\n"); + return ret; + } + + /* set broadcast storm protection 10% rate */ + regmap_update_bits(dev->regmap[1], regs[S_BROADCAST_CTRL], + BROADCAST_STORM_RATE, + (BROADCAST_STORM_VALUE * + BROADCAST_STORM_PROT_RATE) / 100); + + dev->dev_ops->config_cpu_port(ds); + + dev->dev_ops->enable_stp_addr(dev); + + regmap_update_bits(dev->regmap[0], regs[S_MULTICAST_CTRL], + MULTICAST_STORM_DISABLE, MULTICAST_STORM_DISABLE); + + ksz_init_mib_timer(dev); + + ds->configure_vlan_while_not_filtering = false; + + if (dev->dev_ops->setup) { + ret = dev->dev_ops->setup(ds); + if (ret) + return ret; + } + + /* Start with learning disabled on standalone user ports, and enabled + * on the CPU port. In lack of other finer mechanisms, learning on the + * CPU port will avoid flooding bridge local addresses on the network + * in some cases. + */ + 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); +} + +static void port_r_cnt(struct ksz_device *dev, int port) +{ + struct ksz_port_mib *mib = &dev->ports[port].mib; + u64 *dropped; + + /* Some ports may not have MIB counters before SWITCH_COUNTER_NUM. */ + while (mib->cnt_ptr < dev->info->reg_mib_cnt) { + dev->dev_ops->r_mib_cnt(dev, port, mib->cnt_ptr, + &mib->counters[mib->cnt_ptr]); + ++mib->cnt_ptr; + } + + /* last one in storage */ + dropped = &mib->counters[dev->info->mib_cnt]; + + /* Some ports may not have MIB counters after SWITCH_COUNTER_NUM. */ + while (mib->cnt_ptr < dev->info->mib_cnt) { + dev->dev_ops->r_mib_pkt(dev, port, mib->cnt_ptr, + dropped, &mib->counters[mib->cnt_ptr]); + ++mib->cnt_ptr; + } + mib->cnt_ptr = 0; +} + +static void ksz_mib_read_work(struct work_struct *work) +{ + struct ksz_device *dev = container_of(work, struct ksz_device, + mib_read.work); + struct ksz_port_mib *mib; + struct ksz_port *p; + int i; + + for (i = 0; i < dev->info->port_cnt; i++) { + if (dsa_is_unused_port(dev->ds, i)) + continue; + + p = &dev->ports[i]; + mib = &p->mib; + mutex_lock(&mib->cnt_mutex); + + /* Only read MIB counters when the port is told to do. + * If not, read only dropped counters when link is not up. + */ + if (!p->read) { + const struct dsa_port *dp = dsa_to_port(dev->ds, i); + + if (!netif_carrier_ok(dp->slave)) + mib->cnt_ptr = dev->info->reg_mib_cnt; + } + port_r_cnt(dev, i); + p->read = false; + + if (dev->dev_ops->r_mib_stat64) + dev->dev_ops->r_mib_stat64(dev, i); + + mutex_unlock(&mib->cnt_mutex); + } + + schedule_delayed_work(&dev->mib_read, dev->mib_read_interval); +} + +void ksz_init_mib_timer(struct ksz_device *dev) +{ + int i; + + INIT_DELAYED_WORK(&dev->mib_read, ksz_mib_read_work); + + for (i = 0; i < dev->info->port_cnt; i++) { + struct ksz_port_mib *mib = &dev->ports[i].mib; + + dev->dev_ops->port_init_cnt(dev, i); + + mib->cnt_ptr = 0; + memset(mib->counters, 0, dev->info->mib_cnt * sizeof(u64)); + } +} + +static int ksz_phy_read16(struct dsa_switch *ds, int addr, int reg) +{ + struct ksz_device *dev = ds->priv; + u16 val = 0xffff; + int ret; + + ret = dev->dev_ops->r_phy(dev, addr, reg, &val); + if (ret) + return ret; + + return val; +} + +static int ksz_phy_write16(struct dsa_switch *ds, int addr, int reg, u16 val) +{ + struct ksz_device *dev = ds->priv; + int ret; + + ret = dev->dev_ops->w_phy(dev, addr, reg, val); + if (ret) + return ret; + + return 0; +} + +static u32 ksz_get_phy_flags(struct dsa_switch *ds, int port) +{ + struct ksz_device *dev = ds->priv; + + if (dev->chip_id == KSZ8830_CHIP_ID) { + /* Silicon Errata Sheet (DS80000830A): + * Port 1 does not work with LinkMD Cable-Testing. + * Port 1 does not respond to received PAUSE control frames. + */ + if (!port) + return MICREL_KSZ8_P1_ERRATA; + } + + return 0; +} + +static void ksz_mac_link_down(struct dsa_switch *ds, int port, + unsigned int mode, phy_interface_t interface) +{ + struct ksz_device *dev = ds->priv; + struct ksz_port *p = &dev->ports[port]; + + /* Read all MIB counters when the link is going down. */ + p->read = true; + /* timer started */ + if (dev->mib_read_interval) + schedule_delayed_work(&dev->mib_read, 0); +} + +static int ksz_sset_count(struct dsa_switch *ds, int port, int sset) +{ + struct ksz_device *dev = ds->priv; + + if (sset != ETH_SS_STATS) + return 0; + + return dev->info->mib_cnt; +} + +static void ksz_get_ethtool_stats(struct dsa_switch *ds, int port, + uint64_t *buf) +{ + const struct dsa_port *dp = dsa_to_port(ds, port); + struct ksz_device *dev = ds->priv; + struct ksz_port_mib *mib; + + mib = &dev->ports[port].mib; + mutex_lock(&mib->cnt_mutex); + + /* Only read dropped counters if no link. */ + if (!netif_carrier_ok(dp->slave)) + mib->cnt_ptr = dev->info->reg_mib_cnt; + port_r_cnt(dev, port); + memcpy(buf, mib->counters, dev->info->mib_cnt * sizeof(u64)); + mutex_unlock(&mib->cnt_mutex); +} + +static int ksz_port_bridge_join(struct dsa_switch *ds, int port, + struct dsa_bridge bridge, + bool *tx_fwd_offload, + struct netlink_ext_ack *extack) +{ + /* port_stp_state_set() will be called after to put the port in + * appropriate state so there is no need to do anything. + */ + + return 0; +} + +static void ksz_port_bridge_leave(struct dsa_switch *ds, int port, + struct dsa_bridge bridge) +{ + /* port_stp_state_set() will be called after to put the port in + * forwarding state so there is no need to do anything. + */ +} + +static void ksz_port_fast_age(struct dsa_switch *ds, int port) +{ + struct ksz_device *dev = ds->priv; + + 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) +{ + struct ksz_device *dev = ds->priv; + + if (!dev->dev_ops->fdb_add) + return -EOPNOTSUPP; + + return dev->dev_ops->fdb_add(dev, port, addr, vid, db); +} + +static int ksz_port_fdb_del(struct dsa_switch *ds, int port, + const unsigned char *addr, + u16 vid, struct dsa_db db) +{ + struct ksz_device *dev = ds->priv; + + if (!dev->dev_ops->fdb_del) + return -EOPNOTSUPP; + + return dev->dev_ops->fdb_del(dev, port, addr, vid, db); +} + +static int ksz_port_fdb_dump(struct dsa_switch *ds, int port, + dsa_fdb_dump_cb_t *cb, void *data) +{ + struct ksz_device *dev = ds->priv; + + if (!dev->dev_ops->fdb_dump) + return -EOPNOTSUPP; + + return dev->dev_ops->fdb_dump(dev, port, cb, data); +} + +static int ksz_port_mdb_add(struct dsa_switch *ds, int port, + const struct switchdev_obj_port_mdb *mdb, + struct dsa_db db) +{ + struct ksz_device *dev = ds->priv; + + if (!dev->dev_ops->mdb_add) + return -EOPNOTSUPP; + + return dev->dev_ops->mdb_add(dev, port, mdb, db); +} + +static int ksz_port_mdb_del(struct dsa_switch *ds, int port, + const struct switchdev_obj_port_mdb *mdb, + struct dsa_db db) +{ + struct ksz_device *dev = ds->priv; + + if (!dev->dev_ops->mdb_del) + return -EOPNOTSUPP; + + return dev->dev_ops->mdb_del(dev, port, mdb, db); +} + +static int ksz_enable_port(struct dsa_switch *ds, int port, + struct phy_device *phy) +{ + struct ksz_device *dev = ds->priv; + + if (!dsa_is_user_port(ds, port)) + return 0; + + /* setup slave port */ + dev->dev_ops->port_setup(dev, port, false); + + /* port_stp_state_set() will be called after to enable the port so + * there is no need to do anything. + */ + + return 0; +} + +void ksz_port_stp_state_set(struct dsa_switch *ds, int port, u8 state) +{ + struct ksz_device *dev = ds->priv; + struct ksz_port *p; + const u16 *regs; + u8 data; + + regs = dev->info->regs; + + ksz_pread8(dev, port, regs[P_STP_CTRL], &data); + data &= ~(PORT_TX_ENABLE | PORT_RX_ENABLE | PORT_LEARN_DISABLE); + + p = &dev->ports[port]; + + switch (state) { + case BR_STATE_DISABLED: + data |= PORT_LEARN_DISABLE; + break; + case BR_STATE_LISTENING: + data |= (PORT_RX_ENABLE | PORT_LEARN_DISABLE); + break; + case BR_STATE_LEARNING: + data |= PORT_RX_ENABLE; + if (!p->learning) + data |= PORT_LEARN_DISABLE; + break; + case BR_STATE_FORWARDING: + data |= (PORT_TX_ENABLE | PORT_RX_ENABLE); + if (!p->learning) + data |= PORT_LEARN_DISABLE; + break; + case BR_STATE_BLOCKING: + data |= PORT_LEARN_DISABLE; + break; + default: + dev_err(ds->dev, "invalid STP state: %d\n", state); + return; + } + + ksz_pwrite8(dev, port, regs[P_STP_CTRL], data); + + p->stp_state = state; + + ksz_update_port_member(dev, port); +} + +static int ksz_port_pre_bridge_flags(struct dsa_switch *ds, int port, + struct switchdev_brport_flags flags, + struct netlink_ext_ack *extack) +{ + if (flags.mask & ~BR_LEARNING) + return -EINVAL; + + return 0; +} + +static int ksz_port_bridge_flags(struct dsa_switch *ds, int port, + struct switchdev_brport_flags flags, + struct netlink_ext_ack *extack) +{ + struct ksz_device *dev = ds->priv; + struct ksz_port *p = &dev->ports[port]; + + if (flags.mask & BR_LEARNING) { + p->learning = !!(flags.val & BR_LEARNING); + + /* Make the change take effect immediately */ + ksz_port_stp_state_set(ds, port, p->stp_state); + } + + return 0; +} + +static enum dsa_tag_protocol ksz_get_tag_protocol(struct dsa_switch *ds, + int port, + enum dsa_tag_protocol mp) +{ + struct ksz_device *dev = ds->priv; + enum dsa_tag_protocol proto = DSA_TAG_PROTO_NONE; + + if (dev->chip_id == KSZ8795_CHIP_ID || + dev->chip_id == KSZ8794_CHIP_ID || + dev->chip_id == KSZ8765_CHIP_ID) + proto = DSA_TAG_PROTO_KSZ8795; + + if (dev->chip_id == KSZ8830_CHIP_ID || + dev->chip_id == KSZ8563_CHIP_ID || + dev->chip_id == KSZ9893_CHIP_ID) + 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; + + if (is_lan937x(dev)) + proto = DSA_TAG_PROTO_LAN937X_VALUE; + + return proto; +} + +static int ksz_port_vlan_filtering(struct dsa_switch *ds, int port, + bool flag, struct netlink_ext_ack *extack) +{ + struct ksz_device *dev = ds->priv; + + if (!dev->dev_ops->vlan_filtering) + return -EOPNOTSUPP; + + return dev->dev_ops->vlan_filtering(dev, port, flag, extack); +} + +static int ksz_port_vlan_add(struct dsa_switch *ds, int port, + const struct switchdev_obj_port_vlan *vlan, + struct netlink_ext_ack *extack) +{ + struct ksz_device *dev = ds->priv; + + if (!dev->dev_ops->vlan_add) + return -EOPNOTSUPP; + + return dev->dev_ops->vlan_add(dev, port, vlan, extack); +} + +static int ksz_port_vlan_del(struct dsa_switch *ds, int port, + const struct switchdev_obj_port_vlan *vlan) +{ + struct ksz_device *dev = ds->priv; + + if (!dev->dev_ops->vlan_del) + return -EOPNOTSUPP; + + return dev->dev_ops->vlan_del(dev, port, vlan); +} + +static int ksz_port_mirror_add(struct dsa_switch *ds, int port, + struct dsa_mall_mirror_tc_entry *mirror, + bool ingress, struct netlink_ext_ack *extack) +{ + struct ksz_device *dev = ds->priv; + + if (!dev->dev_ops->mirror_add) + return -EOPNOTSUPP; + + return dev->dev_ops->mirror_add(dev, port, mirror, ingress, extack); +} + +static void ksz_port_mirror_del(struct dsa_switch *ds, int port, + struct dsa_mall_mirror_tc_entry *mirror) +{ + struct ksz_device *dev = ds->priv; + + if (dev->dev_ops->mirror_del) + dev->dev_ops->mirror_del(dev, port, mirror); +} + +static int ksz_change_mtu(struct dsa_switch *ds, int port, int mtu) +{ + struct ksz_device *dev = ds->priv; + + if (!dev->dev_ops->change_mtu) + return -EOPNOTSUPP; + + return dev->dev_ops->change_mtu(dev, port, mtu); +} + +static int ksz_max_mtu(struct dsa_switch *ds, int port) +{ + struct ksz_device *dev = ds->priv; + + if (!dev->dev_ops->max_mtu) + return -EOPNOTSUPP; + + return dev->dev_ops->max_mtu(dev, port); +} + +static void ksz_set_xmii(struct ksz_device *dev, int port, + phy_interface_t interface) +{ + const u8 *bitval = dev->info->xmii_ctrl1; + struct ksz_port *p = &dev->ports[port]; + const u16 *regs = dev->info->regs; + u8 data8; + + ksz_pread8(dev, port, regs[P_XMII_CTRL_1], &data8); + + data8 &= ~(P_MII_SEL_M | P_RGMII_ID_IG_ENABLE | + P_RGMII_ID_EG_ENABLE); + + switch (interface) { + case PHY_INTERFACE_MODE_MII: + data8 |= bitval[P_MII_SEL]; + break; + case PHY_INTERFACE_MODE_RMII: + data8 |= bitval[P_RMII_SEL]; + break; + case PHY_INTERFACE_MODE_GMII: + data8 |= bitval[P_GMII_SEL]; + break; + case PHY_INTERFACE_MODE_RGMII: + case PHY_INTERFACE_MODE_RGMII_ID: + case PHY_INTERFACE_MODE_RGMII_TXID: + case PHY_INTERFACE_MODE_RGMII_RXID: + data8 |= bitval[P_RGMII_SEL]; + /* On KSZ9893, disable RGMII in-band status support */ + if (dev->chip_id == KSZ9893_CHIP_ID || + dev->chip_id == KSZ8563_CHIP_ID) + data8 &= ~P_MII_MAC_MODE; + break; + default: + dev_err(dev->dev, "Unsupported interface '%s' for port %d\n", + phy_modes(interface), port); + return; + } + + if (p->rgmii_tx_val) + data8 |= P_RGMII_ID_EG_ENABLE; + + if (p->rgmii_rx_val) + data8 |= P_RGMII_ID_IG_ENABLE; + + /* Write the updated value */ + ksz_pwrite8(dev, port, regs[P_XMII_CTRL_1], data8); +} + +phy_interface_t ksz_get_xmii(struct ksz_device *dev, int port, bool gbit) +{ + const u8 *bitval = dev->info->xmii_ctrl1; + const u16 *regs = dev->info->regs; + phy_interface_t interface; + u8 data8; + u8 val; + + ksz_pread8(dev, port, regs[P_XMII_CTRL_1], &data8); + + val = FIELD_GET(P_MII_SEL_M, data8); + + if (val == bitval[P_MII_SEL]) { + if (gbit) + interface = PHY_INTERFACE_MODE_GMII; + else + interface = PHY_INTERFACE_MODE_MII; + } else if (val == bitval[P_RMII_SEL]) { + interface = PHY_INTERFACE_MODE_RGMII; + } else { + interface = PHY_INTERFACE_MODE_RGMII; + if (data8 & P_RGMII_ID_EG_ENABLE) + interface = PHY_INTERFACE_MODE_RGMII_TXID; + if (data8 & P_RGMII_ID_IG_ENABLE) { + interface = PHY_INTERFACE_MODE_RGMII_RXID; + if (data8 & P_RGMII_ID_EG_ENABLE) + interface = PHY_INTERFACE_MODE_RGMII_ID; + } + } + + return interface; +} + +static void ksz_phylink_mac_config(struct dsa_switch *ds, int port, + unsigned int mode, + const struct phylink_link_state *state) +{ + struct ksz_device *dev = ds->priv; + + if (ksz_is_ksz88x3(dev)) + return; + + /* Internal PHYs */ + if (dev->info->internal_phy[port]) + return; + + if (phylink_autoneg_inband(mode)) { + dev_err(dev->dev, "In-band AN not supported!\n"); + return; + } + + ksz_set_xmii(dev, port, state->interface); + + if (dev->dev_ops->phylink_mac_config) + dev->dev_ops->phylink_mac_config(dev, port, mode, state); + + if (dev->dev_ops->setup_rgmii_delay) + dev->dev_ops->setup_rgmii_delay(dev, port); +} + +bool ksz_get_gbit(struct ksz_device *dev, int port) +{ + const u8 *bitval = dev->info->xmii_ctrl1; + const u16 *regs = dev->info->regs; + bool gbit = false; + u8 data8; + bool val; + + ksz_pread8(dev, port, regs[P_XMII_CTRL_1], &data8); + + val = FIELD_GET(P_GMII_1GBIT_M, data8); + + if (val == bitval[P_GMII_1GBIT]) + gbit = true; + + return gbit; +} + +static void ksz_set_gbit(struct ksz_device *dev, int port, bool gbit) +{ + const u8 *bitval = dev->info->xmii_ctrl1; + const u16 *regs = dev->info->regs; + u8 data8; + + ksz_pread8(dev, port, regs[P_XMII_CTRL_1], &data8); + + data8 &= ~P_GMII_1GBIT_M; + + if (gbit) + data8 |= FIELD_PREP(P_GMII_1GBIT_M, bitval[P_GMII_1GBIT]); + else + data8 |= FIELD_PREP(P_GMII_1GBIT_M, bitval[P_GMII_NOT_1GBIT]); + + /* Write the updated value */ + ksz_pwrite8(dev, port, regs[P_XMII_CTRL_1], data8); +} + +static void ksz_set_100_10mbit(struct ksz_device *dev, int port, int speed) +{ + const u8 *bitval = dev->info->xmii_ctrl0; + const u16 *regs = dev->info->regs; + u8 data8; + + ksz_pread8(dev, port, regs[P_XMII_CTRL_0], &data8); + + data8 &= ~P_MII_100MBIT_M; + + if (speed == SPEED_100) + data8 |= FIELD_PREP(P_MII_100MBIT_M, bitval[P_MII_100MBIT]); + else + data8 |= FIELD_PREP(P_MII_100MBIT_M, bitval[P_MII_10MBIT]); + + /* Write the updated value */ + ksz_pwrite8(dev, port, regs[P_XMII_CTRL_0], data8); +} + +static void ksz_port_set_xmii_speed(struct ksz_device *dev, int port, int speed) +{ + if (speed == SPEED_1000) + ksz_set_gbit(dev, port, true); + else + ksz_set_gbit(dev, port, false); + + if (speed == SPEED_100 || speed == SPEED_10) + ksz_set_100_10mbit(dev, port, speed); +} + +static void ksz_duplex_flowctrl(struct ksz_device *dev, int port, int duplex, + bool tx_pause, bool rx_pause) +{ + const u8 *bitval = dev->info->xmii_ctrl0; + const u32 *masks = dev->info->masks; + const u16 *regs = dev->info->regs; + u8 mask; + u8 val; + + mask = P_MII_DUPLEX_M | masks[P_MII_TX_FLOW_CTRL] | + masks[P_MII_RX_FLOW_CTRL]; + + if (duplex == DUPLEX_FULL) + val = FIELD_PREP(P_MII_DUPLEX_M, bitval[P_MII_FULL_DUPLEX]); + else + val = FIELD_PREP(P_MII_DUPLEX_M, bitval[P_MII_HALF_DUPLEX]); + + if (tx_pause) + val |= masks[P_MII_TX_FLOW_CTRL]; + + if (rx_pause) + val |= masks[P_MII_RX_FLOW_CTRL]; + + ksz_prmw8(dev, port, regs[P_XMII_CTRL_0], mask, val); +} + +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_port *p; + + p = &dev->ports[port]; + + /* Internal PHYs */ + if (dev->info->internal_phy[port]) + return; + + p->phydev.speed = speed; + + 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, + phydev, speed, duplex, + tx_pause, rx_pause); +} + +static int ksz_switch_detect(struct ksz_device *dev) +{ + u8 id1, id2, id4; + u16 id16; + u32 id32; + int ret; + + /* read chip id */ + ret = ksz_read16(dev, REG_CHIP_ID0, &id16); + if (ret) + return ret; + + id1 = FIELD_GET(SW_FAMILY_ID_M, id16); + id2 = FIELD_GET(SW_CHIP_ID_M, id16); + + switch (id1) { + case KSZ87_FAMILY_ID: + if (id2 == KSZ87_CHIP_ID_95) { + u8 val; + + dev->chip_id = KSZ8795_CHIP_ID; + + ksz_read8(dev, KSZ8_PORT_STATUS_0, &val); + if (val & KSZ8_PORT_FIBER_MODE) + dev->chip_id = KSZ8765_CHIP_ID; + } else if (id2 == KSZ87_CHIP_ID_94) { + dev->chip_id = KSZ8794_CHIP_ID; + } else { + return -ENODEV; + } + break; + case KSZ88_FAMILY_ID: + if (id2 == KSZ88_CHIP_ID_63) + dev->chip_id = KSZ8830_CHIP_ID; + else + return -ENODEV; + break; + default: + ret = ksz_read32(dev, REG_CHIP_ID0, &id32); + if (ret) + return ret; + + dev->chip_rev = FIELD_GET(SW_REV_ID_M, id32); + id32 &= ~0xFF; + + switch (id32) { + case KSZ9477_CHIP_ID: + case KSZ9896_CHIP_ID: + case KSZ9897_CHIP_ID: + case KSZ9567_CHIP_ID: + case LAN9370_CHIP_ID: + case LAN9371_CHIP_ID: + case LAN9372_CHIP_ID: + case LAN9373_CHIP_ID: + case LAN9374_CHIP_ID: + dev->chip_id = id32; + break; + case KSZ9893_CHIP_ID: + ret = ksz_read8(dev, REG_CHIP_ID4, + &id4); + if (ret) + return ret; + + if (id4 == SKU_ID_KSZ8563) + dev->chip_id = KSZ8563_CHIP_ID; + else + dev->chip_id = KSZ9893_CHIP_ID; + + break; + default: + dev_err(dev->dev, + "unsupported switch detected %x)\n", id32); + return -ENODEV; + } + } + return 0; +} + +static const struct dsa_switch_ops ksz_switch_ops = { + .get_tag_protocol = ksz_get_tag_protocol, + .get_phy_flags = ksz_get_phy_flags, + .setup = ksz_setup, + .teardown = ksz_teardown, + .phy_read = ksz_phy_read16, + .phy_write = ksz_phy_write16, + .phylink_get_caps = ksz_phylink_get_caps, + .phylink_mac_config = ksz_phylink_mac_config, + .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, + .port_bridge_join = ksz_port_bridge_join, + .port_bridge_leave = ksz_port_bridge_leave, + .port_stp_state_set = ksz_port_stp_state_set, + .port_pre_bridge_flags = ksz_port_pre_bridge_flags, + .port_bridge_flags = ksz_port_bridge_flags, + .port_fast_age = ksz_port_fast_age, + .port_vlan_filtering = ksz_port_vlan_filtering, + .port_vlan_add = ksz_port_vlan_add, + .port_vlan_del = ksz_port_vlan_del, + .port_fdb_dump = ksz_port_fdb_dump, + .port_fdb_add = ksz_port_fdb_add, + .port_fdb_del = ksz_port_fdb_del, + .port_mdb_add = ksz_port_mdb_add, + .port_mdb_del = ksz_port_mdb_del, + .port_mirror_add = ksz_port_mirror_add, + .port_mirror_del = ksz_port_mirror_del, + .get_stats64 = ksz_get_stats64, + .get_pause_stats = ksz_get_pause_stats, + .port_change_mtu = ksz_change_mtu, + .port_max_mtu = ksz_max_mtu, +}; + +struct ksz_device *ksz_switch_alloc(struct device *base, void *priv) +{ + struct dsa_switch *ds; + struct ksz_device *swdev; + + ds = devm_kzalloc(base, sizeof(*ds), GFP_KERNEL); + if (!ds) + return NULL; + + ds->dev = base; + ds->num_ports = DSA_MAX_PORTS; + ds->ops = &ksz_switch_ops; + + swdev = devm_kzalloc(base, sizeof(*swdev), GFP_KERNEL); + if (!swdev) + return NULL; + + ds->priv = swdev; + swdev->dev = base; + + swdev->ds = ds; + swdev->priv = priv; + + return swdev; +} +EXPORT_SYMBOL(ksz_switch_alloc); + +static void ksz_parse_rgmii_delay(struct ksz_device *dev, int port_num, + struct device_node *port_dn) +{ + phy_interface_t phy_mode = dev->ports[port_num].interface; + int rx_delay = -1, tx_delay = -1; + + if (!phy_interface_mode_is_rgmii(phy_mode)) + return; + + of_property_read_u32(port_dn, "rx-internal-delay-ps", &rx_delay); + of_property_read_u32(port_dn, "tx-internal-delay-ps", &tx_delay); + + if (rx_delay == -1 && tx_delay == -1) { + dev_warn(dev->dev, + "Port %d interpreting RGMII delay settings based on \"phy-mode\" property, " + "please update device tree to specify \"rx-internal-delay-ps\" and " + "\"tx-internal-delay-ps\"", + port_num); + + if (phy_mode == PHY_INTERFACE_MODE_RGMII_RXID || + phy_mode == PHY_INTERFACE_MODE_RGMII_ID) + rx_delay = 2000; + + if (phy_mode == PHY_INTERFACE_MODE_RGMII_TXID || + phy_mode == PHY_INTERFACE_MODE_RGMII_ID) + tx_delay = 2000; + } + + if (rx_delay < 0) + rx_delay = 0; + if (tx_delay < 0) + tx_delay = 0; + + dev->ports[port_num].rgmii_rx_val = rx_delay; + dev->ports[port_num].rgmii_tx_val = tx_delay; +} + +int ksz_switch_register(struct ksz_device *dev) +{ + const struct ksz_chip_data *info; + struct device_node *port, *ports; + phy_interface_t interface; + unsigned int port_num; + int ret; + int i; + + if (dev->pdata) + dev->chip_id = dev->pdata->chip_id; + + dev->reset_gpio = devm_gpiod_get_optional(dev->dev, "reset", + GPIOD_OUT_LOW); + if (IS_ERR(dev->reset_gpio)) + return PTR_ERR(dev->reset_gpio); + + if (dev->reset_gpio) { + gpiod_set_value_cansleep(dev->reset_gpio, 1); + usleep_range(10000, 12000); + gpiod_set_value_cansleep(dev->reset_gpio, 0); + msleep(100); + } + + mutex_init(&dev->dev_mutex); + mutex_init(&dev->regmap_mutex); + mutex_init(&dev->alu_mutex); + mutex_init(&dev->vlan_mutex); + + ret = ksz_switch_detect(dev); + if (ret) + return ret; + + info = ksz_lookup_info(dev->chip_id); + if (!info) + return -ENODEV; + + /* Update the compatible info with the probed one */ + dev->info = info; + + dev_info(dev->dev, "found switch: %s, rev %i\n", + dev->info->dev_name, dev->chip_rev); + + ret = ksz_check_device_id(dev); + if (ret) + return ret; + + dev->dev_ops = dev->info->ops; + + ret = dev->dev_ops->init(dev); + if (ret) + return ret; + + dev->ports = devm_kzalloc(dev->dev, + dev->info->port_cnt * sizeof(struct ksz_port), + GFP_KERNEL); + if (!dev->ports) + return -ENOMEM; + + for (i = 0; i < dev->info->port_cnt; i++) { + spin_lock_init(&dev->ports[i].mib.stats64_lock); + mutex_init(&dev->ports[i].mib.cnt_mutex); + dev->ports[i].mib.counters = + devm_kzalloc(dev->dev, + sizeof(u64) * (dev->info->mib_cnt + 1), + GFP_KERNEL); + if (!dev->ports[i].mib.counters) + return -ENOMEM; + + dev->ports[i].ksz_dev = dev; + dev->ports[i].num = i; + } + + /* set the real number of ports */ + dev->ds->num_ports = dev->info->port_cnt; + + /* Host port interface will be self detected, or specifically set in + * device tree. + */ + for (port_num = 0; port_num < dev->info->port_cnt; ++port_num) + dev->ports[port_num].interface = PHY_INTERFACE_MODE_NA; + if (dev->dev->of_node) { + ret = of_get_phy_mode(dev->dev->of_node, &interface); + if (ret == 0) + dev->compat_interface = interface; + ports = of_get_child_by_name(dev->dev->of_node, "ethernet-ports"); + if (!ports) + ports = of_get_child_by_name(dev->dev->of_node, "ports"); + if (ports) { + for_each_available_child_of_node(ports, port) { + if (of_property_read_u32(port, "reg", + &port_num)) + continue; + if (!(dev->port_mask & BIT(port_num))) { + of_node_put(port); + of_node_put(ports); + return -EINVAL; + } + of_get_phy_mode(port, + &dev->ports[port_num].interface); + + ksz_parse_rgmii_delay(dev, port_num, port); + } + of_node_put(ports); + } + dev->synclko_125 = of_property_read_bool(dev->dev->of_node, + "microchip,synclko-125"); + dev->synclko_disable = of_property_read_bool(dev->dev->of_node, + "microchip,synclko-disable"); + if (dev->synclko_125 && dev->synclko_disable) { + dev_err(dev->dev, "inconsistent synclko settings\n"); + return -EINVAL; + } + } + + ret = dsa_register_switch(dev->ds); + if (ret) { + dev->dev_ops->exit(dev); + return ret; + } + + /* Read MIB counters every 30 seconds to avoid overflow. */ + dev->mib_read_interval = msecs_to_jiffies(5000); + + /* Start the MIB timer. */ + schedule_delayed_work(&dev->mib_read, 0); + + return ret; +} +EXPORT_SYMBOL(ksz_switch_register); + +void ksz_switch_remove(struct ksz_device *dev) +{ + /* timer started */ + if (dev->mib_read_interval) { + dev->mib_read_interval = 0; + cancel_delayed_work_sync(&dev->mib_read); + } + + dev->dev_ops->exit(dev); + dsa_unregister_switch(dev->ds); + + if (dev->reset_gpio) + gpiod_set_value_cansleep(dev->reset_gpio, 1); + +} +EXPORT_SYMBOL(ksz_switch_remove); + +MODULE_AUTHOR("Woojung Huh <Woojung.Huh@microchip.com>"); +MODULE_DESCRIPTION("Microchip KSZ Series Switch DSA Driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/net/dsa/microchip/ksz_common.h b/drivers/net/dsa/microchip/ksz_common.h new file mode 100644 index 000000000..d1b2db8e6 --- /dev/null +++ b/drivers/net/dsa/microchip/ksz_common.h @@ -0,0 +1,632 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Microchip switch driver common header + * + * Copyright (C) 2017-2019 Microchip Technology Inc. + */ + +#ifndef __KSZ_COMMON_H +#define __KSZ_COMMON_H + +#include <linux/etherdevice.h> +#include <linux/kernel.h> +#include <linux/mutex.h> +#include <linux/phy.h> +#include <linux/regmap.h> +#include <net/dsa.h> +#include <linux/irq.h> + +#define KSZ_MAX_NUM_PORTS 8 + +struct ksz_device; + +struct vlan_table { + u32 table[3]; +}; + +struct ksz_port_mib { + struct mutex cnt_mutex; /* structure access */ + u8 cnt_ptr; + u64 *counters; + struct rtnl_link_stats64 stats64; + struct ethtool_pause_stats pause_stats; + struct spinlock stats64_lock; +}; + +struct ksz_mib_names { + int index; + char string[ETH_GSTRING_LEN]; +}; + +struct ksz_chip_data { + u32 chip_id; + const char *dev_name; + int num_vlans; + int num_alus; + 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; + const struct ksz_mib_names *mib_names; + int mib_cnt; + u8 reg_mib_cnt; + const u16 *regs; + const u32 *masks; + const u8 *shifts; + const u8 *xmii_ctrl0; + const u8 *xmii_ctrl1; + int stp_ctrl_reg; + int broadcast_ctrl_reg; + int multicast_ctrl_reg; + int start_ctrl_reg; + bool supports_mii[KSZ_MAX_NUM_PORTS]; + bool supports_rmii[KSZ_MAX_NUM_PORTS]; + bool supports_rgmii[KSZ_MAX_NUM_PORTS]; + bool internal_phy[KSZ_MAX_NUM_PORTS]; + bool gbit_capable[KSZ_MAX_NUM_PORTS]; + const struct regmap_access_table *wr_table; + const struct regmap_access_table *rd_table; +}; + +struct ksz_irq { + u16 masked; + 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 { + bool remove_tag; /* Remove Tag flag set, for ksz8795 only */ + bool learning; + int stp_state; + struct phy_device phydev; + + u32 on:1; /* port is not disabled by hardware */ + u32 fiber:1; /* port is fiber */ + u32 force:1; + u32 read:1; /* read MIB counters in background */ + u32 freeze:1; /* MIB counter freeze is enabled */ + + struct ksz_port_mib mib; + phy_interface_t interface; + u16 max_frame; + u32 rgmii_tx_val; + u32 rgmii_rx_val; + struct ksz_device *ksz_dev; + struct ksz_irq pirq; + u8 num; +}; + +struct ksz_device { + struct dsa_switch *ds; + struct ksz_platform_data *pdata; + const struct ksz_chip_data *info; + + struct mutex dev_mutex; /* device access */ + struct mutex regmap_mutex; /* regmap access */ + struct mutex alu_mutex; /* ALU access */ + struct mutex vlan_mutex; /* vlan access */ + const struct ksz_dev_ops *dev_ops; + + struct device *dev; + struct regmap *regmap[3]; + + void *priv; + int irq; + + struct gpio_desc *reset_gpio; /* Optional reset GPIO */ + + /* chip specific data */ + u32 chip_id; + u8 chip_rev; + int cpu_port; /* port connected to CPU */ + int phy_port_cnt; + phy_interface_t compat_interface; + bool synclko_125; + bool synclko_disable; + + struct vlan_table *vlan_cache; + + struct ksz_port *ports; + struct delayed_work mib_read; + unsigned long mib_read_interval; + u16 mirror_rx; + u16 mirror_tx; + u16 port_mask; + struct mutex lock_irq; /* IRQ Access */ + struct ksz_irq girq; +}; + +/* List of supported models */ +enum ksz_model { + KSZ8563, + KSZ8795, + KSZ8794, + KSZ8765, + KSZ8830, + KSZ9477, + KSZ9896, + KSZ9897, + KSZ9893, + KSZ9567, + LAN9370, + LAN9371, + LAN9372, + LAN9373, + LAN9374, +}; + +enum ksz_chip_id { + KSZ8563_CHIP_ID = 0x8563, + KSZ8795_CHIP_ID = 0x8795, + KSZ8794_CHIP_ID = 0x8794, + 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, + LAN9370_CHIP_ID = 0x00937000, + LAN9371_CHIP_ID = 0x00937100, + LAN9372_CHIP_ID = 0x00937200, + LAN9373_CHIP_ID = 0x00937300, + LAN9374_CHIP_ID = 0x00937400, +}; + +enum ksz_regs { + REG_IND_CTRL_0, + REG_IND_DATA_8, + REG_IND_DATA_CHECK, + REG_IND_DATA_HI, + REG_IND_DATA_LO, + REG_IND_MIB_CHECK, + REG_IND_BYTE, + P_FORCE_CTRL, + P_LINK_STATUS, + P_LOCAL_CTRL, + P_NEG_RESTART_CTRL, + P_REMOTE_STATUS, + P_SPEED_STATUS, + S_TAIL_TAG_CTRL, + P_STP_CTRL, + S_START_CTRL, + S_BROADCAST_CTRL, + S_MULTICAST_CTRL, + P_XMII_CTRL_0, + P_XMII_CTRL_1, +}; + +enum ksz_masks { + PORT_802_1P_REMAPPING, + SW_TAIL_TAG_ENABLE, + MIB_COUNTER_OVERFLOW, + MIB_COUNTER_VALID, + VLAN_TABLE_FID, + VLAN_TABLE_MEMBERSHIP, + VLAN_TABLE_VALID, + STATIC_MAC_TABLE_VALID, + STATIC_MAC_TABLE_USE_FID, + STATIC_MAC_TABLE_FID, + STATIC_MAC_TABLE_OVERRIDE, + STATIC_MAC_TABLE_FWD_PORTS, + DYNAMIC_MAC_TABLE_ENTRIES_H, + DYNAMIC_MAC_TABLE_MAC_EMPTY, + DYNAMIC_MAC_TABLE_NOT_READY, + DYNAMIC_MAC_TABLE_ENTRIES, + DYNAMIC_MAC_TABLE_FID, + DYNAMIC_MAC_TABLE_SRC_PORT, + DYNAMIC_MAC_TABLE_TIMESTAMP, + ALU_STAT_WRITE, + ALU_STAT_READ, + P_MII_TX_FLOW_CTRL, + P_MII_RX_FLOW_CTRL, +}; + +enum ksz_shifts { + VLAN_TABLE_MEMBERSHIP_S, + VLAN_TABLE, + STATIC_MAC_FWD_PORTS, + STATIC_MAC_FID, + DYNAMIC_MAC_ENTRIES_H, + DYNAMIC_MAC_ENTRIES, + DYNAMIC_MAC_FID, + DYNAMIC_MAC_TIMESTAMP, + DYNAMIC_MAC_SRC_PORT, + ALU_STAT_INDEX, +}; + +enum ksz_xmii_ctrl0 { + P_MII_100MBIT, + P_MII_10MBIT, + P_MII_FULL_DUPLEX, + P_MII_HALF_DUPLEX, +}; + +enum ksz_xmii_ctrl1 { + P_RGMII_SEL, + P_RMII_SEL, + P_GMII_SEL, + P_MII_SEL, + P_GMII_1GBIT, + P_GMII_NOT_1GBIT, +}; + +struct alu_struct { + /* entry 1 */ + u8 is_static:1; + u8 is_src_filter:1; + u8 is_dst_filter:1; + u8 prio_age:3; + u32 _reserv_0_1:23; + u8 mstp:3; + /* entry 2 */ + u8 is_override:1; + u8 is_use_fid:1; + u32 _reserv_1_1:23; + u8 port_forward:7; + /* entry 3 & 4*/ + u32 _reserv_2_1:9; + u8 fid:7; + u8 mac[ETH_ALEN]; +}; + +struct ksz_dev_ops { + int (*setup)(struct dsa_switch *ds); + void (*teardown)(struct dsa_switch *ds); + u32 (*get_port_addr)(int port, int offset); + void (*cfg_port_member)(struct ksz_device *dev, int port, u8 member); + 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, + u64 *cnt); + void (*r_mib_pkt)(struct ksz_device *dev, int port, u16 addr, + u64 *dropped, u64 *cnt); + void (*r_mib_stat64)(struct ksz_device *dev, int port); + int (*vlan_filtering)(struct ksz_device *dev, int port, + bool flag, struct netlink_ext_ack *extack); + int (*vlan_add)(struct ksz_device *dev, int port, + const struct switchdev_obj_port_vlan *vlan, + struct netlink_ext_ack *extack); + int (*vlan_del)(struct ksz_device *dev, int port, + const struct switchdev_obj_port_vlan *vlan); + int (*mirror_add)(struct ksz_device *dev, int port, + struct dsa_mall_mirror_tc_entry *mirror, + bool ingress, struct netlink_ext_ack *extack); + void (*mirror_del)(struct ksz_device *dev, int port, + struct dsa_mall_mirror_tc_entry *mirror); + int (*fdb_add)(struct ksz_device *dev, int port, + const unsigned char *addr, u16 vid, struct dsa_db db); + int (*fdb_del)(struct ksz_device *dev, int port, + const unsigned char *addr, u16 vid, struct dsa_db db); + int (*fdb_dump)(struct ksz_device *dev, int port, + dsa_fdb_dump_cb_t *cb, void *data); + int (*mdb_add)(struct ksz_device *dev, int port, + const struct switchdev_obj_port_mdb *mdb, + struct dsa_db db); + int (*mdb_del)(struct ksz_device *dev, int port, + const struct switchdev_obj_port_mdb *mdb, + struct dsa_db db); + void (*get_caps)(struct ksz_device *dev, int port, + struct phylink_config *config); + int (*change_mtu)(struct ksz_device *dev, int port, int mtu); + int (*max_mtu)(struct ksz_device *dev, int port); + void (*freeze_mib)(struct ksz_device *dev, int port, bool freeze); + void (*port_init_cnt)(struct ksz_device *dev, int port); + void (*phylink_mac_config)(struct ksz_device *dev, int port, + unsigned int mode, + const struct phylink_link_state *state); + void (*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); + void (*setup_rgmii_delay)(struct ksz_device *dev, int port); + void (*config_cpu_port)(struct dsa_switch *ds); + int (*enable_stp_addr)(struct ksz_device *dev); + int (*reset)(struct ksz_device *dev); + int (*init)(struct ksz_device *dev); + void (*exit)(struct ksz_device *dev); +}; + +struct ksz_device *ksz_switch_alloc(struct device *base, void *priv); +int ksz_switch_register(struct ksz_device *dev); +void ksz_switch_remove(struct ksz_device *dev); + +void ksz_init_mib_timer(struct ksz_device *dev); +void ksz_r_mib_stats64(struct ksz_device *dev, int port); +void ksz_port_stp_state_set(struct dsa_switch *ds, int port, u8 state); +bool ksz_get_gbit(struct ksz_device *dev, int port); +phy_interface_t ksz_get_xmii(struct ksz_device *dev, int port, bool gbit); +extern const struct ksz_chip_data ksz_switch_chips[]; + +/* Common register access functions */ + +static inline int ksz_read8(struct ksz_device *dev, u32 reg, u8 *val) +{ + unsigned int value; + int ret = regmap_read(dev->regmap[0], reg, &value); + + if (ret) + dev_err(dev->dev, "can't read 8bit reg: 0x%x %pe\n", reg, + ERR_PTR(ret)); + + *val = value; + return ret; +} + +static inline int ksz_read16(struct ksz_device *dev, u32 reg, u16 *val) +{ + unsigned int value; + int ret = regmap_read(dev->regmap[1], reg, &value); + + if (ret) + dev_err(dev->dev, "can't read 16bit reg: 0x%x %pe\n", reg, + ERR_PTR(ret)); + + *val = value; + return ret; +} + +static inline int ksz_read32(struct ksz_device *dev, u32 reg, u32 *val) +{ + unsigned int value; + int ret = regmap_read(dev->regmap[2], reg, &value); + + if (ret) + dev_err(dev->dev, "can't read 32bit reg: 0x%x %pe\n", reg, + ERR_PTR(ret)); + + *val = value; + return ret; +} + +static inline int ksz_read64(struct ksz_device *dev, u32 reg, u64 *val) +{ + u32 value[2]; + int ret; + + ret = regmap_bulk_read(dev->regmap[2], reg, value, 2); + if (ret) + dev_err(dev->dev, "can't read 64bit reg: 0x%x %pe\n", reg, + ERR_PTR(ret)); + else + *val = (u64)value[0] << 32 | value[1]; + + return ret; +} + +static inline int ksz_write8(struct ksz_device *dev, u32 reg, u8 value) +{ + int ret; + + ret = regmap_write(dev->regmap[0], reg, value); + if (ret) + dev_err(dev->dev, "can't write 8bit reg: 0x%x %pe\n", reg, + ERR_PTR(ret)); + + return ret; +} + +static inline int ksz_write16(struct ksz_device *dev, u32 reg, u16 value) +{ + int ret; + + ret = regmap_write(dev->regmap[1], reg, value); + if (ret) + dev_err(dev->dev, "can't write 16bit reg: 0x%x %pe\n", reg, + ERR_PTR(ret)); + + return ret; +} + +static inline int ksz_write32(struct ksz_device *dev, u32 reg, u32 value) +{ + int ret; + + ret = regmap_write(dev->regmap[2], reg, value); + if (ret) + dev_err(dev->dev, "can't write 32bit reg: 0x%x %pe\n", reg, + ERR_PTR(ret)); + + return ret; +} + +static inline int ksz_write64(struct ksz_device *dev, u32 reg, u64 value) +{ + u32 val[2]; + + /* Ick! ToDo: Add 64bit R/W to regmap on 32bit systems */ + value = swab64(value); + val[0] = swab32(value & 0xffffffffULL); + val[1] = swab32(value >> 32ULL); + + return regmap_bulk_write(dev->regmap[2], reg, val, 2); +} + +static inline int ksz_pread8(struct ksz_device *dev, int port, int offset, + u8 *data) +{ + return ksz_read8(dev, dev->dev_ops->get_port_addr(port, offset), data); +} + +static inline int ksz_pread16(struct ksz_device *dev, int port, int offset, + u16 *data) +{ + return ksz_read16(dev, dev->dev_ops->get_port_addr(port, offset), data); +} + +static inline int ksz_pread32(struct ksz_device *dev, int port, int offset, + u32 *data) +{ + return ksz_read32(dev, dev->dev_ops->get_port_addr(port, offset), data); +} + +static inline int ksz_pwrite8(struct ksz_device *dev, int port, int offset, + u8 data) +{ + return ksz_write8(dev, dev->dev_ops->get_port_addr(port, offset), data); +} + +static inline int ksz_pwrite16(struct ksz_device *dev, int port, int offset, + u16 data) +{ + return ksz_write16(dev, dev->dev_ops->get_port_addr(port, offset), + data); +} + +static inline int ksz_pwrite32(struct ksz_device *dev, int port, int offset, + u32 data) +{ + return ksz_write32(dev, dev->dev_ops->get_port_addr(port, offset), + data); +} + +static inline void ksz_prmw8(struct ksz_device *dev, int port, int offset, + u8 mask, u8 val) +{ + regmap_update_bits(dev->regmap[0], + dev->dev_ops->get_port_addr(port, offset), + mask, val); +} + +static inline void ksz_regmap_lock(void *__mtx) +{ + struct mutex *mtx = __mtx; + mutex_lock(mtx); +} + +static inline void ksz_regmap_unlock(void *__mtx) +{ + struct mutex *mtx = __mtx; + mutex_unlock(mtx); +} + +static inline bool ksz_is_ksz87xx(struct ksz_device *dev) +{ + return dev->chip_id == KSZ8795_CHIP_ID || + dev->chip_id == KSZ8794_CHIP_ID || + dev->chip_id == KSZ8765_CHIP_ID; +} + +static inline bool ksz_is_ksz88x3(struct ksz_device *dev) +{ + return dev->chip_id == KSZ8830_CHIP_ID; +} + +static inline int is_lan937x(struct ksz_device *dev) +{ + return dev->chip_id == LAN9370_CHIP_ID || + dev->chip_id == LAN9371_CHIP_ID || + dev->chip_id == LAN9372_CHIP_ID || + dev->chip_id == LAN9373_CHIP_ID || + dev->chip_id == LAN9374_CHIP_ID; +} + +/* STP State Defines */ +#define PORT_TX_ENABLE BIT(2) +#define PORT_RX_ENABLE BIT(1) +#define PORT_LEARN_DISABLE BIT(0) + +/* Switch ID Defines */ +#define REG_CHIP_ID0 0x00 + +#define SW_FAMILY_ID_M GENMASK(15, 8) +#define KSZ87_FAMILY_ID 0x87 +#define KSZ88_FAMILY_ID 0x88 + +#define KSZ8_PORT_STATUS_0 0x08 +#define KSZ8_PORT_FIBER_MODE BIT(7) + +#define SW_CHIP_ID_M GENMASK(7, 4) +#define KSZ87_CHIP_ID_94 0x6 +#define KSZ87_CHIP_ID_95 0x9 +#define KSZ88_CHIP_ID_63 0x3 + +#define SW_REV_ID_M GENMASK(7, 4) + +/* KSZ9893, KSZ9563, KSZ8563 specific register */ +#define REG_CHIP_ID4 0x0f +#define SKU_ID_KSZ8563 0x3c + +/* Driver set switch broadcast storm protection at 10% rate. */ +#define BROADCAST_STORM_PROT_RATE 10 + +/* 148,800 frames * 67 ms / 100 */ +#define BROADCAST_STORM_VALUE 9969 + +#define BROADCAST_STORM_RATE_HI 0x07 +#define BROADCAST_STORM_RATE_LO 0xFF +#define BROADCAST_STORM_RATE 0x07FF + +#define MULTICAST_STORM_DISABLE BIT(6) + +#define SW_START 0x01 + +/* xMII configuration */ +#define P_MII_DUPLEX_M BIT(6) +#define P_MII_100MBIT_M BIT(4) + +#define P_GMII_1GBIT_M BIT(6) +#define P_RGMII_ID_IG_ENABLE BIT(4) +#define P_RGMII_ID_EG_ENABLE BIT(3) +#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 + +#define swabnot_used(x) 0 + +#define KSZ_SPI_OP_FLAG_MASK(opcode, swp, regbits, regpad) \ + swab##swp((opcode) << ((regbits) + (regpad))) + +#define KSZ_REGMAP_ENTRY(width, swp, regbits, regpad, regalign) \ + { \ + .name = #width, \ + .val_bits = (width), \ + .reg_stride = 1, \ + .reg_bits = (regbits) + (regalign), \ + .pad_bits = (regpad), \ + .max_register = BIT(regbits) - 1, \ + .cache_type = REGCACHE_NONE, \ + .read_flag_mask = \ + KSZ_SPI_OP_FLAG_MASK(KSZ_SPI_OP_RD, swp, \ + regbits, regpad), \ + .write_flag_mask = \ + KSZ_SPI_OP_FLAG_MASK(KSZ_SPI_OP_WR, swp, \ + regbits, regpad), \ + .lock = ksz_regmap_lock, \ + .unlock = ksz_regmap_unlock, \ + .reg_format_endian = REGMAP_ENDIAN_BIG, \ + .val_format_endian = REGMAP_ENDIAN_BIG \ + } + +#define KSZ_REGMAP_TABLE(ksz, swp, regbits, regpad, regalign) \ + static const struct regmap_config ksz##_regmap_config[] = { \ + KSZ_REGMAP_ENTRY(8, swp, (regbits), (regpad), (regalign)), \ + KSZ_REGMAP_ENTRY(16, swp, (regbits), (regpad), (regalign)), \ + KSZ_REGMAP_ENTRY(32, swp, (regbits), (regpad), (regalign)), \ + } + +#endif diff --git a/drivers/net/dsa/microchip/ksz_spi.c b/drivers/net/dsa/microchip/ksz_spi.c new file mode 100644 index 000000000..1b6ab891b --- /dev/null +++ b/drivers/net/dsa/microchip/ksz_spi.c @@ -0,0 +1,246 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Microchip ksz series register access through SPI + * + * Copyright (C) 2017 Microchip Technology Inc. + * Tristram Ha <Tristram.Ha@microchip.com> + */ + +#include <asm/unaligned.h> + +#include <linux/delay.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/regmap.h> +#include <linux/spi/spi.h> + +#include "ksz_common.h" + +#define KSZ8795_SPI_ADDR_SHIFT 12 +#define KSZ8795_SPI_ADDR_ALIGN 3 +#define KSZ8795_SPI_TURNAROUND_SHIFT 1 + +#define KSZ8863_SPI_ADDR_SHIFT 8 +#define KSZ8863_SPI_ADDR_ALIGN 8 +#define KSZ8863_SPI_TURNAROUND_SHIFT 0 + +#define KSZ9477_SPI_ADDR_SHIFT 24 +#define KSZ9477_SPI_ADDR_ALIGN 3 +#define KSZ9477_SPI_TURNAROUND_SHIFT 5 + +KSZ_REGMAP_TABLE(ksz8795, 16, KSZ8795_SPI_ADDR_SHIFT, + KSZ8795_SPI_TURNAROUND_SHIFT, KSZ8795_SPI_ADDR_ALIGN); + +KSZ_REGMAP_TABLE(ksz8863, 16, KSZ8863_SPI_ADDR_SHIFT, + KSZ8863_SPI_TURNAROUND_SHIFT, KSZ8863_SPI_ADDR_ALIGN); + +KSZ_REGMAP_TABLE(ksz9477, 32, KSZ9477_SPI_ADDR_SHIFT, + KSZ9477_SPI_TURNAROUND_SHIFT, KSZ9477_SPI_ADDR_ALIGN); + +static int ksz_spi_probe(struct spi_device *spi) +{ + const struct regmap_config *regmap_config; + const struct ksz_chip_data *chip; + struct device *ddev = &spi->dev; + struct regmap_config rc; + struct ksz_device *dev; + int i, ret = 0; + + dev = ksz_switch_alloc(&spi->dev, spi); + if (!dev) + return -ENOMEM; + + chip = device_get_match_data(ddev); + if (!chip) + return -EINVAL; + + if (chip->chip_id == KSZ8830_CHIP_ID) + regmap_config = ksz8863_regmap_config; + else if (chip->chip_id == KSZ8795_CHIP_ID || + chip->chip_id == KSZ8794_CHIP_ID || + chip->chip_id == KSZ8765_CHIP_ID) + regmap_config = ksz8795_regmap_config; + else + regmap_config = ksz9477_regmap_config; + + for (i = 0; i < ARRAY_SIZE(ksz8795_regmap_config); i++) { + rc = regmap_config[i]; + rc.lock_arg = &dev->regmap_mutex; + rc.wr_table = chip->wr_table; + rc.rd_table = chip->rd_table; + dev->regmap[i] = devm_regmap_init_spi(spi, &rc); + + if (IS_ERR(dev->regmap[i])) { + ret = PTR_ERR(dev->regmap[i]); + dev_err(&spi->dev, + "Failed to initialize regmap%i: %d\n", + regmap_config[i].val_bits, ret); + return ret; + } + } + + if (spi->dev.platform_data) + dev->pdata = spi->dev.platform_data; + + /* setup spi */ + spi->mode = SPI_MODE_3; + ret = spi_setup(spi); + if (ret) + return ret; + + dev->irq = spi->irq; + + ret = ksz_switch_register(dev); + + /* Main DSA driver may not be started yet. */ + if (ret) + return ret; + + spi_set_drvdata(spi, dev); + + return 0; +} + +static void ksz_spi_remove(struct spi_device *spi) +{ + struct ksz_device *dev = spi_get_drvdata(spi); + + if (dev) + ksz_switch_remove(dev); +} + +static void ksz_spi_shutdown(struct spi_device *spi) +{ + struct ksz_device *dev = spi_get_drvdata(spi); + + if (!dev) + return; + + if (dev->dev_ops->reset) + dev->dev_ops->reset(dev); + + dsa_switch_shutdown(dev->ds); + + spi_set_drvdata(spi, NULL); +} + +static const struct of_device_id ksz_dt_ids[] = { + { + .compatible = "microchip,ksz8765", + .data = &ksz_switch_chips[KSZ8765] + }, + { + .compatible = "microchip,ksz8794", + .data = &ksz_switch_chips[KSZ8794] + }, + { + .compatible = "microchip,ksz8795", + .data = &ksz_switch_chips[KSZ8795] + }, + { + .compatible = "microchip,ksz8863", + .data = &ksz_switch_chips[KSZ8830] + }, + { + .compatible = "microchip,ksz8873", + .data = &ksz_switch_chips[KSZ8830] + }, + { + .compatible = "microchip,ksz9477", + .data = &ksz_switch_chips[KSZ9477] + }, + { + .compatible = "microchip,ksz9896", + .data = &ksz_switch_chips[KSZ9896] + }, + { + .compatible = "microchip,ksz9897", + .data = &ksz_switch_chips[KSZ9897] + }, + { + .compatible = "microchip,ksz9893", + .data = &ksz_switch_chips[KSZ9893] + }, + { + .compatible = "microchip,ksz9563", + .data = &ksz_switch_chips[KSZ9893] + }, + { + .compatible = "microchip,ksz8563", + .data = &ksz_switch_chips[KSZ8563] + }, + { + .compatible = "microchip,ksz9567", + .data = &ksz_switch_chips[KSZ9567] + }, + { + .compatible = "microchip,lan9370", + .data = &ksz_switch_chips[LAN9370] + }, + { + .compatible = "microchip,lan9371", + .data = &ksz_switch_chips[LAN9371] + }, + { + .compatible = "microchip,lan9372", + .data = &ksz_switch_chips[LAN9372] + }, + { + .compatible = "microchip,lan9373", + .data = &ksz_switch_chips[LAN9373] + }, + { + .compatible = "microchip,lan9374", + .data = &ksz_switch_chips[LAN9374] + }, + {}, +}; +MODULE_DEVICE_TABLE(of, ksz_dt_ids); + +static const struct spi_device_id ksz_spi_ids[] = { + { "ksz8765" }, + { "ksz8794" }, + { "ksz8795" }, + { "ksz8863" }, + { "ksz8873" }, + { "ksz9477" }, + { "ksz9896" }, + { "ksz9897" }, + { "ksz9893" }, + { "ksz9563" }, + { "ksz8563" }, + { "ksz9567" }, + { "lan9370" }, + { "lan9371" }, + { "lan9372" }, + { "lan9373" }, + { "lan9374" }, + { }, +}; +MODULE_DEVICE_TABLE(spi, ksz_spi_ids); + +static struct spi_driver ksz_spi_driver = { + .driver = { + .name = "ksz-switch", + .owner = THIS_MODULE, + .of_match_table = ksz_dt_ids, + }, + .id_table = ksz_spi_ids, + .probe = ksz_spi_probe, + .remove = ksz_spi_remove, + .shutdown = ksz_spi_shutdown, +}; + +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"); +MODULE_ALIAS("spi:ksz8563"); +MODULE_ALIAS("spi:ksz9567"); +MODULE_ALIAS("spi:lan937x"); +MODULE_AUTHOR("Tristram Ha <Tristram.Ha@microchip.com>"); +MODULE_DESCRIPTION("Microchip ksz Series Switch SPI Driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/net/dsa/microchip/lan937x.h b/drivers/net/dsa/microchip/lan937x.h new file mode 100644 index 000000000..8e9e66d67 --- /dev/null +++ b/drivers/net/dsa/microchip/lan937x.h @@ -0,0 +1,23 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Microchip lan937x dev ops headers + * Copyright (C) 2019-2022 Microchip Technology Inc. + */ + +#ifndef __LAN937X_CFG_H +#define __LAN937X_CFG_H + +int lan937x_reset_switch(struct ksz_device *dev); +int lan937x_setup(struct dsa_switch *ds); +void lan937x_teardown(struct dsa_switch *ds); +void lan937x_port_setup(struct ksz_device *dev, int port, bool cpu_port); +void lan937x_config_cpu_port(struct dsa_switch *ds); +int lan937x_switch_init(struct ksz_device *dev); +void lan937x_switch_exit(struct ksz_device *dev); +int lan937x_r_phy(struct ksz_device *dev, u16 addr, u16 reg, u16 *data); +int lan937x_w_phy(struct ksz_device *dev, u16 addr, u16 reg, u16 val); +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 new file mode 100644 index 000000000..7e4f307a0 --- /dev/null +++ b/drivers/net/dsa/microchip/lan937x_main.c @@ -0,0 +1,391 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Microchip LAN937X switch driver main logic + * Copyright (C) 2019-2022 Microchip Technology Inc. + */ +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/iopoll.h> +#include <linux/phy.h> +#include <linux/of_net.h> +#include <linux/if_bridge.h> +#include <linux/if_vlan.h> +#include <linux/math.h> +#include <net/dsa.h> +#include <net/switchdev.h> + +#include "lan937x_reg.h" +#include "ksz_common.h" +#include "lan937x.h" + +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); +} + +static int lan937x_port_cfg(struct ksz_device *dev, int port, int offset, + u8 bits, bool set) +{ + return regmap_update_bits(dev->regmap[0], PORT_CTRL_ADDR(port, offset), + bits, set ? bits : 0); +} + +static int lan937x_enable_spi_indirect_access(struct ksz_device *dev) +{ + u16 data16; + int ret; + + /* Enable Phy access through SPI */ + ret = lan937x_cfg(dev, REG_GLOBAL_CTRL_0, SW_PHY_REG_BLOCK, false); + if (ret < 0) + return ret; + + ret = ksz_read16(dev, REG_VPHY_SPECIAL_CTRL__2, &data16); + if (ret < 0) + return ret; + + /* Allow SPI access */ + data16 |= VPHY_SPI_INDIRECT_ENABLE; + + return ksz_write16(dev, REG_VPHY_SPECIAL_CTRL__2, data16); +} + +static int lan937x_vphy_ind_addr_wr(struct ksz_device *dev, int addr, int reg) +{ + u16 addr_base = REG_PORT_T1_PHY_CTRL_BASE; + u16 temp; + + /* get register address based on the logical port */ + temp = PORT_CTRL_ADDR(addr, (addr_base + (reg << 2))); + + return ksz_write16(dev, REG_VPHY_IND_ADDR__2, temp); +} + +static int lan937x_internal_phy_write(struct ksz_device *dev, int addr, int reg, + u16 val) +{ + unsigned int value; + int ret; + + /* Check for internal phy port */ + if (!dev->info->internal_phy[addr]) + return -EOPNOTSUPP; + + ret = lan937x_vphy_ind_addr_wr(dev, addr, reg); + if (ret < 0) + return ret; + + /* Write the data to be written to the VPHY reg */ + ret = ksz_write16(dev, REG_VPHY_IND_DATA__2, val); + if (ret < 0) + return ret; + + /* Write the Write En and Busy bit */ + ret = ksz_write16(dev, REG_VPHY_IND_CTRL__2, + (VPHY_IND_WRITE | VPHY_IND_BUSY)); + if (ret < 0) + return ret; + + ret = regmap_read_poll_timeout(dev->regmap[1], REG_VPHY_IND_CTRL__2, + value, !(value & VPHY_IND_BUSY), 10, + 1000); + if (ret < 0) { + dev_err(dev->dev, "Failed to write phy register\n"); + return ret; + } + + return 0; +} + +static int lan937x_internal_phy_read(struct ksz_device *dev, int addr, int reg, + u16 *val) +{ + unsigned int value; + int ret; + + /* Check for internal phy port, return 0xffff for non-existent phy */ + if (!dev->info->internal_phy[addr]) + return 0xffff; + + ret = lan937x_vphy_ind_addr_wr(dev, addr, reg); + if (ret < 0) + return ret; + + /* Write Read and Busy bit to start the transaction */ + ret = ksz_write16(dev, REG_VPHY_IND_CTRL__2, VPHY_IND_BUSY); + if (ret < 0) + return ret; + + ret = regmap_read_poll_timeout(dev->regmap[1], REG_VPHY_IND_CTRL__2, + value, !(value & VPHY_IND_BUSY), 10, + 1000); + if (ret < 0) { + dev_err(dev->dev, "Failed to read phy register\n"); + return ret; + } + + /* Read the VPHY register which has the PHY data */ + return ksz_read16(dev, REG_VPHY_IND_DATA__2, val); +} + +int lan937x_r_phy(struct ksz_device *dev, u16 addr, u16 reg, u16 *data) +{ + return lan937x_internal_phy_read(dev, addr, reg, data); +} + +int lan937x_w_phy(struct ksz_device *dev, u16 addr, u16 reg, u16 val) +{ + return lan937x_internal_phy_write(dev, addr, reg, val); +} + +int lan937x_reset_switch(struct ksz_device *dev) +{ + u32 data32; + int ret; + + /* reset switch */ + ret = lan937x_cfg(dev, REG_SW_OPERATION, SW_RESET, true); + if (ret < 0) + return ret; + + /* Enable Auto Aging */ + ret = lan937x_cfg(dev, REG_SW_LUE_CTRL_1, SW_LINK_AUTO_AGING, true); + if (ret < 0) + return ret; + + /* disable interrupts */ + ret = ksz_write32(dev, REG_SW_INT_MASK__4, SWITCH_INT_MASK); + if (ret < 0) + return ret; + + ret = ksz_write32(dev, REG_SW_INT_STATUS__4, POR_READY_INT); + if (ret < 0) + return ret; + + ret = ksz_write32(dev, REG_SW_PORT_INT_MASK__4, 0xFF); + if (ret < 0) + return ret; + + return ksz_read32(dev, REG_SW_PORT_INT_STATUS__4, &data32); +} + +void lan937x_port_setup(struct ksz_device *dev, int port, bool cpu_port) +{ + const u32 *masks = dev->info->masks; + const u16 *regs = dev->info->regs; + struct dsa_switch *ds = dev->ds; + u8 member; + + /* enable tag tail for host port */ + if (cpu_port) + lan937x_port_cfg(dev, port, REG_PORT_CTRL_0, + PORT_TAIL_TAG_ENABLE, true); + + /* set back pressure for half duplex */ + lan937x_port_cfg(dev, port, REG_PORT_MAC_CTRL_1, PORT_BACK_PRESSURE, + true); + + /* enable 802.1p priority */ + lan937x_port_cfg(dev, port, P_PRIO_CTRL, PORT_802_1P_PRIO_ENABLE, true); + + if (!dev->info->internal_phy[port]) + lan937x_port_cfg(dev, port, regs[P_XMII_CTRL_0], + masks[P_MII_TX_FLOW_CTRL] | + masks[P_MII_RX_FLOW_CTRL], + true); + + if (cpu_port) + member = dsa_user_ports(ds); + else + member = BIT(dsa_upstream_port(ds, port)); + + dev->dev_ops->cfg_port_member(dev, port, member); +} + +void lan937x_config_cpu_port(struct dsa_switch *ds) +{ + struct ksz_device *dev = ds->priv; + struct dsa_port *dp; + + dsa_switch_for_each_cpu_port(dp, ds) { + if (dev->info->cpu_ports & (1 << dp->index)) { + dev->cpu_port = dp->index; + + /* enable cpu port */ + lan937x_port_setup(dev, dp->index, true); + } + } + + dsa_switch_for_each_user_port(dp, ds) { + ksz_port_stp_state_set(ds, dp->index, BR_STATE_DISABLED); + } +} + +int lan937x_change_mtu(struct ksz_device *dev, int port, int new_mtu) +{ + struct dsa_switch *ds = dev->ds; + int ret; + + new_mtu += VLAN_ETH_HLEN + ETH_FCS_LEN; + + if (dsa_is_cpu_port(ds, port)) + new_mtu += LAN937X_TAG_LEN; + + if (new_mtu >= FR_MIN_SIZE) + ret = lan937x_port_cfg(dev, port, REG_PORT_MAC_CTRL_0, + PORT_JUMBO_PACKET, true); + else + ret = lan937x_port_cfg(dev, port, REG_PORT_MAC_CTRL_0, + PORT_JUMBO_PACKET, false); + if (ret < 0) { + dev_err(ds->dev, "failed to enable jumbo\n"); + return ret; + } + + /* Write the frame size in PORT_MAX_FR_SIZE register */ + ksz_pwrite16(dev, port, PORT_MAX_FR_SIZE, 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) +{ + u16 data16; + + ksz_pread16(dev, port, reg, &data16); + + /* Update tune Adjust */ + data16 |= FIELD_PREP(PORT_TUNE_ADJ, val); + ksz_pwrite16(dev, port, reg, data16); + + /* write DLL reset to take effect */ + data16 |= PORT_DLL_RESET; + ksz_pwrite16(dev, port, reg, data16); +} + +static void lan937x_set_rgmii_tx_delay(struct ksz_device *dev, int port) +{ + u8 val; + + /* Apply different codes based on the ports as per characterization + * results + */ + val = (port == LAN937X_RGMII_1_PORT) ? RGMII_1_TX_DELAY_2NS : + RGMII_2_TX_DELAY_2NS; + + lan937x_set_tune_adj(dev, port, REG_PORT_XMII_CTRL_5, val); +} + +static void lan937x_set_rgmii_rx_delay(struct ksz_device *dev, int port) +{ + u8 val; + + val = (port == LAN937X_RGMII_1_PORT) ? RGMII_1_RX_DELAY_2NS : + RGMII_2_RX_DELAY_2NS; + + lan937x_set_tune_adj(dev, port, REG_PORT_XMII_CTRL_4, val); +} + +void lan937x_phylink_get_caps(struct ksz_device *dev, int port, + struct phylink_config *config) +{ + config->mac_capabilities = MAC_100FD; + + if (dev->info->supports_rgmii[port]) { + /* MII/RMII/RGMII ports */ + config->mac_capabilities |= MAC_ASYM_PAUSE | MAC_SYM_PAUSE | + MAC_100HD | MAC_10 | MAC_1000FD; + } +} + +void lan937x_setup_rgmii_delay(struct ksz_device *dev, int port) +{ + struct ksz_port *p = &dev->ports[port]; + + if (p->rgmii_tx_val) { + lan937x_set_rgmii_tx_delay(dev, port); + dev_info(dev->dev, "Applied rgmii tx delay for the port %d\n", + port); + } + + if (p->rgmii_rx_val) { + lan937x_set_rgmii_rx_delay(dev, port); + dev_info(dev->dev, "Applied rgmii rx delay for the port %d\n", + port); + } +} + +int lan937x_switch_init(struct ksz_device *dev) +{ + dev->port_mask = (1 << dev->info->port_cnt) - 1; + + return 0; +} + +int lan937x_setup(struct dsa_switch *ds) +{ + struct ksz_device *dev = ds->priv; + int ret; + + /* enable Indirect Access from SPI to the VPHY registers */ + ret = lan937x_enable_spi_indirect_access(dev); + if (ret < 0) { + dev_err(dev->dev, "failed to enable spi indirect access"); + return ret; + } + + /* The VLAN aware is a global setting. Mixed vlan + * filterings are not supported. + */ + ds->vlan_filtering_is_global = true; + + /* Enable aggressive back off for half duplex & UNH mode */ + lan937x_cfg(dev, REG_SW_MAC_CTRL_0, + (SW_PAUSE_UNH_MODE | SW_NEW_BACKOFF | SW_AGGR_BACKOFF), + true); + + /* If NO_EXC_COLLISION_DROP bit is set, the switch will not drop + * packets when 16 or more collisions occur + */ + lan937x_cfg(dev, REG_SW_MAC_CTRL_1, NO_EXC_COLLISION_DROP, true); + + /* enable global MIB counter freeze function */ + lan937x_cfg(dev, REG_SW_MAC_CTRL_6, SW_MIB_COUNTER_FREEZE, true); + + /* disable CLK125 & CLK25, 1: disable, 0: enable */ + lan937x_cfg(dev, REG_SW_GLOBAL_OUTPUT_CTRL__1, + (SW_CLK125_ENB | SW_CLK25_ENB), true); + + return 0; +} + +void lan937x_teardown(struct dsa_switch *ds) +{ + +} + +void lan937x_switch_exit(struct ksz_device *dev) +{ + lan937x_reset_switch(dev); +} + +MODULE_AUTHOR("Arun Ramadoss <arun.ramadoss@microchip.com>"); +MODULE_DESCRIPTION("Microchip LAN937x Series Switch DSA Driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/net/dsa/microchip/lan937x_reg.h b/drivers/net/dsa/microchip/lan937x_reg.h new file mode 100644 index 000000000..5bc16a4c4 --- /dev/null +++ b/drivers/net/dsa/microchip/lan937x_reg.h @@ -0,0 +1,202 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Microchip LAN937X switch register definitions + * Copyright (C) 2019-2021 Microchip Technology Inc. + */ +#ifndef __LAN937X_REG_H +#define __LAN937X_REG_H + +#define PORT_CTRL_ADDR(port, addr) ((addr) | (((port) + 1) << 12)) + +/* 0 - Operation */ +#define REG_GLOBAL_CTRL_0 0x0007 + +#define SW_PHY_REG_BLOCK BIT(7) +#define SW_FAST_MODE BIT(3) +#define SW_FAST_MODE_OVERRIDE BIT(2) + +#define REG_SW_INT_STATUS__4 0x0010 +#define REG_SW_INT_MASK__4 0x0014 + +#define LUE_INT BIT(31) +#define TRIG_TS_INT BIT(30) +#define APB_TIMEOUT_INT BIT(29) +#define OVER_TEMP_INT BIT(28) +#define HSR_INT BIT(27) +#define PIO_INT BIT(26) +#define POR_READY_INT BIT(25) + +#define SWITCH_INT_MASK \ + (LUE_INT | TRIG_TS_INT | APB_TIMEOUT_INT | OVER_TEMP_INT | HSR_INT | \ + PIO_INT | POR_READY_INT) + +#define REG_SW_PORT_INT_STATUS__4 0x0018 +#define REG_SW_PORT_INT_MASK__4 0x001C + +/* 1 - Global */ +#define REG_SW_GLOBAL_OUTPUT_CTRL__1 0x0103 +#define SW_CLK125_ENB BIT(1) +#define SW_CLK25_ENB BIT(0) + +/* 3 - Operation Control */ +#define REG_SW_OPERATION 0x0300 + +#define SW_DOUBLE_TAG BIT(7) +#define SW_OVER_TEMP_ENABLE BIT(2) +#define SW_RESET BIT(1) + +#define REG_SW_LUE_CTRL_0 0x0310 + +#define SW_VLAN_ENABLE BIT(7) +#define SW_DROP_INVALID_VID BIT(6) +#define SW_AGE_CNT_M 0x7 +#define SW_AGE_CNT_S 3 +#define SW_RESV_MCAST_ENABLE BIT(2) + +#define REG_SW_LUE_CTRL_1 0x0311 + +#define UNICAST_LEARN_DISABLE BIT(7) +#define SW_FLUSH_STP_TABLE BIT(5) +#define SW_FLUSH_MSTP_TABLE BIT(4) +#define SW_SRC_ADDR_FILTER BIT(3) +#define SW_AGING_ENABLE BIT(2) +#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) +#define SW_AGGR_BACKOFF BIT(0) + +#define REG_SW_MAC_CTRL_1 0x0331 +#define SW_SHORT_IFG BIT(7) +#define MULTICAST_STORM_DISABLE BIT(6) +#define SW_BACK_PRESSURE BIT(5) +#define FAIR_FLOW_CTRL BIT(4) +#define NO_EXC_COLLISION_DROP BIT(3) +#define SW_LEGAL_PACKET_DISABLE BIT(1) +#define SW_PASS_SHORT_FRAME BIT(0) + +#define REG_SW_MAC_CTRL_6 0x0336 +#define SW_MIB_COUNTER_FLUSH BIT(7) +#define SW_MIB_COUNTER_FREEZE BIT(6) + +/* 4 - LUE */ +#define REG_SW_ALU_STAT_CTRL__4 0x041C + +#define REG_SW_ALU_VAL_B 0x0424 +#define ALU_V_OVERRIDE BIT(31) +#define ALU_V_USE_FID BIT(30) +#define ALU_V_PORT_MAP 0xFF + +/* 7 - VPhy */ +#define REG_VPHY_IND_ADDR__2 0x075C +#define REG_VPHY_IND_DATA__2 0x0760 + +#define REG_VPHY_IND_CTRL__2 0x0768 + +#define VPHY_IND_WRITE BIT(1) +#define VPHY_IND_BUSY BIT(0) + +#define REG_VPHY_SPECIAL_CTRL__2 0x077C +#define VPHY_SMI_INDIRECT_ENABLE BIT(15) +#define VPHY_SW_LOOPBACK BIT(14) +#define VPHY_MDIO_INTERNAL_ENABLE BIT(13) +#define VPHY_SPI_INDIRECT_ENABLE BIT(12) +#define VPHY_PORT_MODE_M 0x3 +#define VPHY_PORT_MODE_S 8 +#define VPHY_MODE_RGMII 0 +#define VPHY_MODE_MII_PHY 1 +#define VPHY_MODE_SGMII 2 +#define VPHY_MODE_RMII_PHY 3 +#define VPHY_SW_COLLISION_TEST BIT(7) +#define VPHY_SPEED_DUPLEX_STAT_M 0x7 +#define VPHY_SPEED_DUPLEX_STAT_S 2 +#define VPHY_SPEED_1000 BIT(4) +#define VPHY_SPEED_100 BIT(3) +#define VPHY_FULL_DUPLEX BIT(2) + +/* Port Registers */ + +/* 0 - Operation */ +#define REG_PORT_INT_STATUS 0x001B +#define REG_PORT_INT_MASK 0x001F + +#define PORT_TAS_INT BIT(5) +#define PORT_QCI_INT BIT(4) +#define PORT_SGMII_INT BIT(3) +#define PORT_PTP_INT BIT(2) +#define PORT_PHY_INT BIT(1) +#define PORT_ACL_INT BIT(0) + +#define PORT_SRC_PHY_INT 1 + +#define REG_PORT_CTRL_0 0x0020 + +#define PORT_MAC_LOOPBACK BIT(7) +#define PORT_MAC_REMOTE_LOOPBACK BIT(6) +#define PORT_K2L_INSERT_ENABLE BIT(5) +#define PORT_K2L_DEBUG_ENABLE BIT(4) +#define PORT_TAIL_TAG_ENABLE BIT(2) +#define PORT_QUEUE_SPLIT_ENABLE 0x3 + +/* 1 - Phy */ +#define REG_PORT_T1_PHY_CTRL_BASE 0x0100 + +/* 3 - xMII */ +#define PORT_SGMII_SEL BIT(7) +#define PORT_GRXC_ENABLE BIT(0) + +#define PORT_MII_SEL_EDGE BIT(5) + +#define REG_PORT_XMII_CTRL_4 0x0304 +#define REG_PORT_XMII_CTRL_5 0x0306 + +#define PORT_DLL_RESET BIT(15) +#define PORT_TUNE_ADJ GENMASK(13, 7) + +/* 4 - MAC */ +#define REG_PORT_MAC_CTRL_0 0x0400 +#define PORT_CHECK_LENGTH BIT(2) +#define PORT_BROADCAST_STORM BIT(1) +#define PORT_JUMBO_PACKET BIT(0) + +#define REG_PORT_MAC_CTRL_1 0x0401 +#define PORT_BACK_PRESSURE BIT(3) +#define PORT_PASS_ALL BIT(0) + +#define PORT_MAX_FR_SIZE 0x404 +#define FR_MIN_SIZE 1522 + +/* 8 - Classification and Policing */ +#define REG_PORT_MRI_PRIO_CTRL 0x0801 +#define PORT_HIGHEST_PRIO BIT(7) +#define PORT_OR_PRIO BIT(6) +#define PORT_MAC_PRIO_ENABLE BIT(4) +#define PORT_VLAN_PRIO_ENABLE BIT(3) +#define PORT_802_1P_PRIO_ENABLE BIT(2) +#define PORT_DIFFSERV_PRIO_ENABLE BIT(1) +#define PORT_ACL_PRIO_ENABLE BIT(0) + +#define P_PRIO_CTRL REG_PORT_MRI_PRIO_CTRL + +/* The port number as per the datasheet */ +#define RGMII_2_PORT_NUM 5 +#define RGMII_1_PORT_NUM 6 + +#define LAN937X_RGMII_2_PORT (RGMII_2_PORT_NUM - 1) +#define LAN937X_RGMII_1_PORT (RGMII_1_PORT_NUM - 1) + +#define RGMII_1_TX_DELAY_2NS 2 +#define RGMII_2_TX_DELAY_2NS 0 +#define RGMII_1_RX_DELAY_2NS 0x1B +#define RGMII_2_RX_DELAY_2NS 0x14 + +#define LAN937X_TAG_LEN 2 + +#endif |