mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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130401d998
Allocate a device entry for the Broadcom BCM7445 integrated switch currently backed by bcm_sf2.c. Since this is the latest generation, it has 4 ARL entries, 4K VLANs and uses Port 8 for the CPU/IMP port. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
391 lines
8.8 KiB
C
391 lines
8.8 KiB
C
/*
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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/phy.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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};
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enum {
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BCM5325_DEVICE_ID = 0x25,
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BCM5365_DEVICE_ID = 0x65,
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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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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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BCM7445_DEVICE_ID = 0x7445,
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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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struct b53_port {
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u16 vlan_ctl_mask;
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struct net_device *bridge_dev;
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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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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_entries;
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/* used ports mask */
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u16 enabled_ports;
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unsigned int cpu_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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/* 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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unsigned int num_ports;
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struct b53_port *ports;
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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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dev->chip_id == BCM53128_DEVICE_ID;
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}
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static inline int is63xx(struct b53_device *dev)
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{
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#ifdef CONFIG_BCM63XX
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return dev->chip_id == BCM63XX_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 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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#define B53_CPU_PORT_25 5
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#define B53_CPU_PORT 8
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static inline int is_cpu_port(struct b53_device *dev, int port)
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{
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return dev->cpu_port;
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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 int b53_read8(struct b53_device *dev, u8 page, u8 reg, u8 *val)
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{
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int ret;
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mutex_lock(&dev->reg_mutex);
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ret = dev->ops->read8(dev, page, reg, val);
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mutex_unlock(&dev->reg_mutex);
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return ret;
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}
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static inline int b53_read16(struct b53_device *dev, u8 page, u8 reg, u16 *val)
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{
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int ret;
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mutex_lock(&dev->reg_mutex);
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ret = dev->ops->read16(dev, page, reg, val);
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mutex_unlock(&dev->reg_mutex);
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return ret;
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}
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static inline int b53_read32(struct b53_device *dev, u8 page, u8 reg, u32 *val)
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{
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int ret;
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mutex_lock(&dev->reg_mutex);
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ret = dev->ops->read32(dev, page, reg, val);
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mutex_unlock(&dev->reg_mutex);
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return ret;
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}
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static inline int b53_read48(struct b53_device *dev, u8 page, u8 reg, u64 *val)
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{
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int ret;
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mutex_lock(&dev->reg_mutex);
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ret = dev->ops->read48(dev, page, reg, val);
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mutex_unlock(&dev->reg_mutex);
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return ret;
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}
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static inline int b53_read64(struct b53_device *dev, u8 page, u8 reg, u64 *val)
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{
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int ret;
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mutex_lock(&dev->reg_mutex);
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ret = dev->ops->read64(dev, page, reg, val);
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mutex_unlock(&dev->reg_mutex);
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return ret;
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}
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static inline int b53_write8(struct b53_device *dev, u8 page, u8 reg, u8 value)
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{
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int ret;
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mutex_lock(&dev->reg_mutex);
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ret = dev->ops->write8(dev, page, reg, value);
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mutex_unlock(&dev->reg_mutex);
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return ret;
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}
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static inline int b53_write16(struct b53_device *dev, u8 page, u8 reg,
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u16 value)
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{
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int ret;
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mutex_lock(&dev->reg_mutex);
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ret = dev->ops->write16(dev, page, reg, value);
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mutex_unlock(&dev->reg_mutex);
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return ret;
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}
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static inline int b53_write32(struct b53_device *dev, u8 page, u8 reg,
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u32 value)
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{
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int ret;
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mutex_lock(&dev->reg_mutex);
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ret = dev->ops->write32(dev, page, reg, value);
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mutex_unlock(&dev->reg_mutex);
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return ret;
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}
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static inline int b53_write48(struct b53_device *dev, u8 page, u8 reg,
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u64 value)
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{
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int ret;
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mutex_lock(&dev->reg_mutex);
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ret = dev->ops->write48(dev, page, reg, value);
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mutex_unlock(&dev->reg_mutex);
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return ret;
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}
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static inline int b53_write64(struct b53_device *dev, u8 page, u8 reg,
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u64 value)
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{
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int ret;
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mutex_lock(&dev->reg_mutex);
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ret = dev->ops->write64(dev, page, reg, value);
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mutex_unlock(&dev->reg_mutex);
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return ret;
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}
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struct b53_arl_entry {
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u8 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_mac_from_u64(u64 src, u8 *dst)
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{
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unsigned int i;
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for (i = 0; i < ETH_ALEN; i++)
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dst[ETH_ALEN - 1 - i] = (src >> (8 * i)) & 0xff;
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}
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static inline u64 b53_mac_to_u64(const u8 *src)
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{
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unsigned int i;
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u64 dst = 0;
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for (i = 0; i < ETH_ALEN; i++)
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dst |= (u64)src[ETH_ALEN - 1 - i] << (8 * i);
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return dst;
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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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b53_mac_from_u64(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 = b53_mac_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/version.h>
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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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#endif
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