2023-08-30 17:31:07 +02:00
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/*
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* B53 common definitions
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*
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* Copyright (C) 2011-2013 Jonas Gorski <jogo@openwrt.org>
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef __B53_PRIV_H
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#define __B53_PRIV_H
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#include <linux/kernel.h>
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#include <linux/mutex.h>
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#include <linux/phylink.h>
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#include <linux/etherdevice.h>
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#include <net/dsa.h>
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#include "b53_regs.h"
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struct b53_device;
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struct net_device;
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struct b53_io_ops {
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int (*read8)(struct b53_device *dev, u8 page, u8 reg, u8 *value);
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int (*read16)(struct b53_device *dev, u8 page, u8 reg, u16 *value);
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int (*read32)(struct b53_device *dev, u8 page, u8 reg, u32 *value);
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int (*read48)(struct b53_device *dev, u8 page, u8 reg, u64 *value);
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int (*read64)(struct b53_device *dev, u8 page, u8 reg, u64 *value);
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int (*write8)(struct b53_device *dev, u8 page, u8 reg, u8 value);
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int (*write16)(struct b53_device *dev, u8 page, u8 reg, u16 value);
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int (*write32)(struct b53_device *dev, u8 page, u8 reg, u32 value);
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int (*write48)(struct b53_device *dev, u8 page, u8 reg, u64 value);
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int (*write64)(struct b53_device *dev, u8 page, u8 reg, u64 value);
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int (*phy_read16)(struct b53_device *dev, int addr, int reg, u16 *value);
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int (*phy_write16)(struct b53_device *dev, int addr, int reg, u16 value);
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int (*irq_enable)(struct b53_device *dev, int port);
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void (*irq_disable)(struct b53_device *dev, int port);
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void (*phylink_get_caps)(struct b53_device *dev, int port,
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struct phylink_config *config);
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struct phylink_pcs *(*phylink_mac_select_pcs)(struct b53_device *dev,
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int port,
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phy_interface_t interface);
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u8 (*serdes_map_lane)(struct b53_device *dev, int port);
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void (*serdes_link_set)(struct b53_device *dev, int port,
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unsigned int mode, phy_interface_t interface,
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bool link_up);
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};
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#define B53_INVALID_LANE 0xff
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enum {
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BCM4908_DEVICE_ID = 0x4908,
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BCM5325_DEVICE_ID = 0x25,
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BCM5365_DEVICE_ID = 0x65,
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BCM5389_DEVICE_ID = 0x89,
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BCM5395_DEVICE_ID = 0x95,
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BCM5397_DEVICE_ID = 0x97,
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BCM5398_DEVICE_ID = 0x98,
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BCM53115_DEVICE_ID = 0x53115,
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BCM53125_DEVICE_ID = 0x53125,
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BCM53128_DEVICE_ID = 0x53128,
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BCM63XX_DEVICE_ID = 0x6300,
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2023-10-24 12:59:35 +02:00
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BCM63268_DEVICE_ID = 0x63268,
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2023-08-30 17:31:07 +02:00
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BCM53010_DEVICE_ID = 0x53010,
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BCM53011_DEVICE_ID = 0x53011,
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BCM53012_DEVICE_ID = 0x53012,
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BCM53018_DEVICE_ID = 0x53018,
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BCM53019_DEVICE_ID = 0x53019,
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BCM58XX_DEVICE_ID = 0x5800,
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BCM583XX_DEVICE_ID = 0x58300,
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BCM7445_DEVICE_ID = 0x7445,
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BCM7278_DEVICE_ID = 0x7278,
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2023-10-24 12:59:35 +02:00
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BCM53134_DEVICE_ID = 0x5075,
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2023-08-30 17:31:07 +02:00
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};
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struct b53_pcs {
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struct phylink_pcs pcs;
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struct b53_device *dev;
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u8 lane;
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};
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#define B53_N_PORTS 9
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#define B53_N_PORTS_25 6
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#define B53_N_PCS 2
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struct b53_port {
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u16 vlan_ctl_mask;
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struct ethtool_eee eee;
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};
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struct b53_vlan {
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u16 members;
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u16 untag;
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bool valid;
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};
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struct b53_device {
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struct dsa_switch *ds;
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struct b53_platform_data *pdata;
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const char *name;
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struct mutex reg_mutex;
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struct mutex stats_mutex;
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struct mutex arl_mutex;
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const struct b53_io_ops *ops;
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/* chip specific data */
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u32 chip_id;
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u8 core_rev;
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u8 vta_regs[3];
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u8 duplex_reg;
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u8 jumbo_pm_reg;
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u8 jumbo_size_reg;
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int reset_gpio;
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u8 num_arl_bins;
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u16 num_arl_buckets;
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enum dsa_tag_protocol tag_protocol;
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/* used ports mask */
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u16 enabled_ports;
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unsigned int imp_port;
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/* connect specific data */
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u8 current_page;
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struct device *dev;
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u8 serdes_lane;
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/* Master MDIO bus we got probed from */
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struct mii_bus *bus;
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void *priv;
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/* run time configuration */
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bool enable_jumbo;
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unsigned int num_vlans;
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struct b53_vlan *vlans;
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bool vlan_enabled;
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unsigned int num_ports;
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struct b53_port *ports;
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struct b53_pcs pcs[B53_N_PCS];
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};
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#define b53_for_each_port(dev, i) \
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for (i = 0; i < B53_N_PORTS; i++) \
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if (dev->enabled_ports & BIT(i))
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static inline int is5325(struct b53_device *dev)
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{
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return dev->chip_id == BCM5325_DEVICE_ID;
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}
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static inline int is5365(struct b53_device *dev)
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{
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#ifdef CONFIG_BCM47XX
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return dev->chip_id == BCM5365_DEVICE_ID;
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#else
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return 0;
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#endif
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}
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static inline int is5397_98(struct b53_device *dev)
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{
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return dev->chip_id == BCM5397_DEVICE_ID ||
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dev->chip_id == BCM5398_DEVICE_ID;
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}
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static inline int is539x(struct b53_device *dev)
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{
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return dev->chip_id == BCM5395_DEVICE_ID ||
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dev->chip_id == BCM5397_DEVICE_ID ||
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dev->chip_id == BCM5398_DEVICE_ID;
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}
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static inline int is531x5(struct b53_device *dev)
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{
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return dev->chip_id == BCM53115_DEVICE_ID ||
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dev->chip_id == BCM53125_DEVICE_ID ||
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2023-10-24 12:59:35 +02:00
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dev->chip_id == BCM53128_DEVICE_ID ||
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dev->chip_id == BCM53134_DEVICE_ID;
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2023-08-30 17:31:07 +02:00
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}
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static inline int is63xx(struct b53_device *dev)
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{
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2023-10-24 12:59:35 +02:00
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return dev->chip_id == BCM63XX_DEVICE_ID ||
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dev->chip_id == BCM63268_DEVICE_ID;
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}
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static inline int is63268(struct b53_device *dev)
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{
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return dev->chip_id == BCM63268_DEVICE_ID;
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2023-08-30 17:31:07 +02:00
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}
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static inline int is5301x(struct b53_device *dev)
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{
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return dev->chip_id == BCM53010_DEVICE_ID ||
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dev->chip_id == BCM53011_DEVICE_ID ||
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dev->chip_id == BCM53012_DEVICE_ID ||
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dev->chip_id == BCM53018_DEVICE_ID ||
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dev->chip_id == BCM53019_DEVICE_ID;
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}
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static inline int is58xx(struct b53_device *dev)
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{
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return dev->chip_id == BCM58XX_DEVICE_ID ||
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dev->chip_id == BCM583XX_DEVICE_ID ||
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dev->chip_id == BCM7445_DEVICE_ID ||
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2023-10-24 12:59:35 +02:00
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dev->chip_id == BCM7278_DEVICE_ID ||
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dev->chip_id == BCM53134_DEVICE_ID;
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2023-08-30 17:31:07 +02:00
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}
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2023-10-24 12:59:35 +02:00
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#define B53_63XX_RGMII0 4
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#define B53_CPU_PORT_25 5
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#define B53_CPU_PORT 8
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static inline unsigned int b53_max_arl_entries(struct b53_device *dev)
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{
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return dev->num_arl_buckets * dev->num_arl_bins;
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}
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struct b53_device *b53_switch_alloc(struct device *base,
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const struct b53_io_ops *ops,
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void *priv);
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int b53_switch_detect(struct b53_device *dev);
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int b53_switch_register(struct b53_device *dev);
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static inline void b53_switch_remove(struct b53_device *dev)
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{
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dsa_unregister_switch(dev->ds);
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}
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static inline void b53_switch_shutdown(struct b53_device *dev)
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{
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dsa_switch_shutdown(dev->ds);
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}
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#define b53_build_op(type_op_size, val_type) \
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static inline int b53_##type_op_size(struct b53_device *dev, u8 page, \
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u8 reg, val_type val) \
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{ \
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int ret; \
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\
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mutex_lock(&dev->reg_mutex); \
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ret = dev->ops->type_op_size(dev, page, reg, val); \
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mutex_unlock(&dev->reg_mutex); \
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\
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return ret; \
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}
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b53_build_op(read8, u8 *);
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b53_build_op(read16, u16 *);
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b53_build_op(read32, u32 *);
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b53_build_op(read48, u64 *);
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b53_build_op(read64, u64 *);
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b53_build_op(write8, u8);
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b53_build_op(write16, u16);
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b53_build_op(write32, u32);
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b53_build_op(write48, u64);
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b53_build_op(write64, u64);
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struct b53_arl_entry {
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u16 port;
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u8 mac[ETH_ALEN];
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u16 vid;
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u8 is_valid:1;
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u8 is_age:1;
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u8 is_static:1;
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};
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static inline void b53_arl_to_entry(struct b53_arl_entry *ent,
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u64 mac_vid, u32 fwd_entry)
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{
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memset(ent, 0, sizeof(*ent));
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ent->port = fwd_entry & ARLTBL_DATA_PORT_ID_MASK;
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ent->is_valid = !!(fwd_entry & ARLTBL_VALID);
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ent->is_age = !!(fwd_entry & ARLTBL_AGE);
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ent->is_static = !!(fwd_entry & ARLTBL_STATIC);
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u64_to_ether_addr(mac_vid, ent->mac);
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ent->vid = mac_vid >> ARLTBL_VID_S;
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}
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static inline void b53_arl_from_entry(u64 *mac_vid, u32 *fwd_entry,
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const struct b53_arl_entry *ent)
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{
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*mac_vid = ether_addr_to_u64(ent->mac);
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*mac_vid |= (u64)(ent->vid & ARLTBL_VID_MASK) << ARLTBL_VID_S;
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*fwd_entry = ent->port & ARLTBL_DATA_PORT_ID_MASK;
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if (ent->is_valid)
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*fwd_entry |= ARLTBL_VALID;
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if (ent->is_static)
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*fwd_entry |= ARLTBL_STATIC;
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if (ent->is_age)
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*fwd_entry |= ARLTBL_AGE;
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}
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#ifdef CONFIG_BCM47XX
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#include <linux/bcm47xx_nvram.h>
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#include <bcm47xx_board.h>
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static inline int b53_switch_get_reset_gpio(struct b53_device *dev)
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{
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enum bcm47xx_board board = bcm47xx_board_get();
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switch (board) {
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case BCM47XX_BOARD_LINKSYS_WRT300NV11:
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case BCM47XX_BOARD_LINKSYS_WRT310NV1:
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return 8;
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default:
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return bcm47xx_nvram_gpio_pin("robo_reset");
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}
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}
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#else
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static inline int b53_switch_get_reset_gpio(struct b53_device *dev)
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{
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return -ENOENT;
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}
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#endif
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/* Exported functions towards other drivers */
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void b53_imp_vlan_setup(struct dsa_switch *ds, int cpu_port);
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int b53_configure_vlan(struct dsa_switch *ds);
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void b53_get_strings(struct dsa_switch *ds, int port, u32 stringset,
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uint8_t *data);
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void b53_get_ethtool_stats(struct dsa_switch *ds, int port, uint64_t *data);
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int b53_get_sset_count(struct dsa_switch *ds, int port, int sset);
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void b53_get_ethtool_phy_stats(struct dsa_switch *ds, int port, uint64_t *data);
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int b53_br_join(struct dsa_switch *ds, int port, struct dsa_bridge bridge,
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bool *tx_fwd_offload, struct netlink_ext_ack *extack);
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void b53_br_leave(struct dsa_switch *ds, int port, struct dsa_bridge bridge);
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void b53_br_set_stp_state(struct dsa_switch *ds, int port, u8 state);
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void b53_br_fast_age(struct dsa_switch *ds, int port);
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int b53_br_flags_pre(struct dsa_switch *ds, int port,
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struct switchdev_brport_flags flags,
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struct netlink_ext_ack *extack);
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int b53_br_flags(struct dsa_switch *ds, int port,
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struct switchdev_brport_flags flags,
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struct netlink_ext_ack *extack);
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int b53_setup_devlink_resources(struct dsa_switch *ds);
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void b53_port_event(struct dsa_switch *ds, int port);
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void b53_phylink_mac_config(struct dsa_switch *ds, int port,
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unsigned int mode,
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const struct phylink_link_state *state);
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void b53_phylink_mac_link_down(struct dsa_switch *ds, int port,
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unsigned int mode,
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phy_interface_t interface);
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void b53_phylink_mac_link_up(struct dsa_switch *ds, int port,
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unsigned int mode,
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|
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phy_interface_t interface,
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|
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struct phy_device *phydev,
|
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|
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int speed, int duplex,
|
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|
|
|
bool tx_pause, bool rx_pause);
|
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|
|
|
int b53_vlan_filtering(struct dsa_switch *ds, int port, bool vlan_filtering,
|
|
|
|
|
struct netlink_ext_ack *extack);
|
|
|
|
|
int b53_vlan_add(struct dsa_switch *ds, int port,
|
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|
|
|
const struct switchdev_obj_port_vlan *vlan,
|
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|
|
|
struct netlink_ext_ack *extack);
|
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|
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|
int b53_vlan_del(struct dsa_switch *ds, int port,
|
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|
|
|
const struct switchdev_obj_port_vlan *vlan);
|
|
|
|
|
int b53_fdb_add(struct dsa_switch *ds, int port,
|
|
|
|
|
const unsigned char *addr, u16 vid,
|
|
|
|
|
struct dsa_db db);
|
|
|
|
|
int b53_fdb_del(struct dsa_switch *ds, int port,
|
|
|
|
|
const unsigned char *addr, u16 vid,
|
|
|
|
|
struct dsa_db db);
|
|
|
|
|
int b53_fdb_dump(struct dsa_switch *ds, int port,
|
|
|
|
|
dsa_fdb_dump_cb_t *cb, void *data);
|
|
|
|
|
int b53_mdb_add(struct dsa_switch *ds, int port,
|
|
|
|
|
const struct switchdev_obj_port_mdb *mdb,
|
|
|
|
|
struct dsa_db db);
|
|
|
|
|
int b53_mdb_del(struct dsa_switch *ds, int port,
|
|
|
|
|
const struct switchdev_obj_port_mdb *mdb,
|
|
|
|
|
struct dsa_db db);
|
|
|
|
|
int b53_mirror_add(struct dsa_switch *ds, int port,
|
|
|
|
|
struct dsa_mall_mirror_tc_entry *mirror, bool ingress,
|
|
|
|
|
struct netlink_ext_ack *extack);
|
|
|
|
|
enum dsa_tag_protocol b53_get_tag_protocol(struct dsa_switch *ds, int port,
|
|
|
|
|
enum dsa_tag_protocol mprot);
|
|
|
|
|
void b53_mirror_del(struct dsa_switch *ds, int port,
|
|
|
|
|
struct dsa_mall_mirror_tc_entry *mirror);
|
|
|
|
|
int b53_enable_port(struct dsa_switch *ds, int port, struct phy_device *phy);
|
|
|
|
|
void b53_disable_port(struct dsa_switch *ds, int port);
|
|
|
|
|
void b53_brcm_hdr_setup(struct dsa_switch *ds, int port);
|
|
|
|
|
void b53_eee_enable_set(struct dsa_switch *ds, int port, bool enable);
|
|
|
|
|
int b53_eee_init(struct dsa_switch *ds, int port, struct phy_device *phy);
|
|
|
|
|
int b53_get_mac_eee(struct dsa_switch *ds, int port, struct ethtool_eee *e);
|
|
|
|
|
int b53_set_mac_eee(struct dsa_switch *ds, int port, struct ethtool_eee *e);
|
|
|
|
|
|
|
|
|
|
#endif
|
