2 * B53 common definitions
4 * Copyright (C) 2011-2013 Jonas Gorski <jogo@openwrt.org>
6 * Permission to use, copy, modify, and/or distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
22 #include <linux/kernel.h>
23 #include <linux/mutex.h>
24 #include <linux/phy.h>
33 int (*read8)(struct b53_device *dev, u8 page, u8 reg, u8 *value);
34 int (*read16)(struct b53_device *dev, u8 page, u8 reg, u16 *value);
35 int (*read32)(struct b53_device *dev, u8 page, u8 reg, u32 *value);
36 int (*read48)(struct b53_device *dev, u8 page, u8 reg, u64 *value);
37 int (*read64)(struct b53_device *dev, u8 page, u8 reg, u64 *value);
38 int (*write8)(struct b53_device *dev, u8 page, u8 reg, u8 value);
39 int (*write16)(struct b53_device *dev, u8 page, u8 reg, u16 value);
40 int (*write32)(struct b53_device *dev, u8 page, u8 reg, u32 value);
41 int (*write48)(struct b53_device *dev, u8 page, u8 reg, u64 value);
42 int (*write64)(struct b53_device *dev, u8 page, u8 reg, u64 value);
43 int (*phy_read16)(struct b53_device *dev, int addr, int reg, u16 *value);
44 int (*phy_write16)(struct b53_device *dev, int addr, int reg, u16 value);
48 BCM5325_DEVICE_ID = 0x25,
49 BCM5365_DEVICE_ID = 0x65,
50 BCM5389_DEVICE_ID = 0x89,
51 BCM5395_DEVICE_ID = 0x95,
52 BCM5397_DEVICE_ID = 0x97,
53 BCM5398_DEVICE_ID = 0x98,
54 BCM53115_DEVICE_ID = 0x53115,
55 BCM53125_DEVICE_ID = 0x53125,
56 BCM53128_DEVICE_ID = 0x53128,
57 BCM63XX_DEVICE_ID = 0x6300,
58 BCM53010_DEVICE_ID = 0x53010,
59 BCM53011_DEVICE_ID = 0x53011,
60 BCM53012_DEVICE_ID = 0x53012,
61 BCM53018_DEVICE_ID = 0x53018,
62 BCM53019_DEVICE_ID = 0x53019,
63 BCM58XX_DEVICE_ID = 0x5800,
64 BCM7445_DEVICE_ID = 0x7445,
68 #define B53_N_PORTS_25 6
72 struct net_device *bridge_dev;
82 struct dsa_switch *ds;
83 struct b53_platform_data *pdata;
86 struct mutex reg_mutex;
87 struct mutex stats_mutex;
88 const struct b53_io_ops *ops;
90 /* chip specific data */
100 /* used ports mask */
102 unsigned int cpu_port;
104 /* connect specific data */
108 /* Master MDIO bus we got probed from */
113 /* run time configuration */
116 unsigned int num_vlans;
117 struct b53_vlan *vlans;
118 unsigned int num_ports;
119 struct b53_port *ports;
122 #define b53_for_each_port(dev, i) \
123 for (i = 0; i < B53_N_PORTS; i++) \
124 if (dev->enabled_ports & BIT(i))
127 static inline int is5325(struct b53_device *dev)
129 return dev->chip_id == BCM5325_DEVICE_ID;
132 static inline int is5365(struct b53_device *dev)
134 #ifdef CONFIG_BCM47XX
135 return dev->chip_id == BCM5365_DEVICE_ID;
141 static inline int is5397_98(struct b53_device *dev)
143 return dev->chip_id == BCM5397_DEVICE_ID ||
144 dev->chip_id == BCM5398_DEVICE_ID;
147 static inline int is539x(struct b53_device *dev)
149 return dev->chip_id == BCM5395_DEVICE_ID ||
150 dev->chip_id == BCM5397_DEVICE_ID ||
151 dev->chip_id == BCM5398_DEVICE_ID;
154 static inline int is531x5(struct b53_device *dev)
156 return dev->chip_id == BCM53115_DEVICE_ID ||
157 dev->chip_id == BCM53125_DEVICE_ID ||
158 dev->chip_id == BCM53128_DEVICE_ID;
161 static inline int is63xx(struct b53_device *dev)
163 #ifdef CONFIG_BCM63XX
164 return dev->chip_id == BCM63XX_DEVICE_ID;
170 static inline int is5301x(struct b53_device *dev)
172 return dev->chip_id == BCM53010_DEVICE_ID ||
173 dev->chip_id == BCM53011_DEVICE_ID ||
174 dev->chip_id == BCM53012_DEVICE_ID ||
175 dev->chip_id == BCM53018_DEVICE_ID ||
176 dev->chip_id == BCM53019_DEVICE_ID;
179 static inline int is58xx(struct b53_device *dev)
181 return dev->chip_id == BCM58XX_DEVICE_ID ||
182 dev->chip_id == BCM7445_DEVICE_ID;
185 #define B53_CPU_PORT_25 5
186 #define B53_CPU_PORT 8
188 static inline int is_cpu_port(struct b53_device *dev, int port)
190 return dev->cpu_port;
193 struct b53_device *b53_switch_alloc(struct device *base,
194 const struct b53_io_ops *ops,
197 int b53_switch_detect(struct b53_device *dev);
199 int b53_switch_register(struct b53_device *dev);
201 static inline void b53_switch_remove(struct b53_device *dev)
203 dsa_unregister_switch(dev->ds);
206 static inline int b53_read8(struct b53_device *dev, u8 page, u8 reg, u8 *val)
210 mutex_lock(&dev->reg_mutex);
211 ret = dev->ops->read8(dev, page, reg, val);
212 mutex_unlock(&dev->reg_mutex);
217 static inline int b53_read16(struct b53_device *dev, u8 page, u8 reg, u16 *val)
221 mutex_lock(&dev->reg_mutex);
222 ret = dev->ops->read16(dev, page, reg, val);
223 mutex_unlock(&dev->reg_mutex);
228 static inline int b53_read32(struct b53_device *dev, u8 page, u8 reg, u32 *val)
232 mutex_lock(&dev->reg_mutex);
233 ret = dev->ops->read32(dev, page, reg, val);
234 mutex_unlock(&dev->reg_mutex);
239 static inline int b53_read48(struct b53_device *dev, u8 page, u8 reg, u64 *val)
243 mutex_lock(&dev->reg_mutex);
244 ret = dev->ops->read48(dev, page, reg, val);
245 mutex_unlock(&dev->reg_mutex);
250 static inline int b53_read64(struct b53_device *dev, u8 page, u8 reg, u64 *val)
254 mutex_lock(&dev->reg_mutex);
255 ret = dev->ops->read64(dev, page, reg, val);
256 mutex_unlock(&dev->reg_mutex);
261 static inline int b53_write8(struct b53_device *dev, u8 page, u8 reg, u8 value)
265 mutex_lock(&dev->reg_mutex);
266 ret = dev->ops->write8(dev, page, reg, value);
267 mutex_unlock(&dev->reg_mutex);
272 static inline int b53_write16(struct b53_device *dev, u8 page, u8 reg,
277 mutex_lock(&dev->reg_mutex);
278 ret = dev->ops->write16(dev, page, reg, value);
279 mutex_unlock(&dev->reg_mutex);
284 static inline int b53_write32(struct b53_device *dev, u8 page, u8 reg,
289 mutex_lock(&dev->reg_mutex);
290 ret = dev->ops->write32(dev, page, reg, value);
291 mutex_unlock(&dev->reg_mutex);
296 static inline int b53_write48(struct b53_device *dev, u8 page, u8 reg,
301 mutex_lock(&dev->reg_mutex);
302 ret = dev->ops->write48(dev, page, reg, value);
303 mutex_unlock(&dev->reg_mutex);
308 static inline int b53_write64(struct b53_device *dev, u8 page, u8 reg,
313 mutex_lock(&dev->reg_mutex);
314 ret = dev->ops->write64(dev, page, reg, value);
315 mutex_unlock(&dev->reg_mutex);
320 struct b53_arl_entry {
329 static inline void b53_mac_from_u64(u64 src, u8 *dst)
333 for (i = 0; i < ETH_ALEN; i++)
334 dst[ETH_ALEN - 1 - i] = (src >> (8 * i)) & 0xff;
337 static inline u64 b53_mac_to_u64(const u8 *src)
342 for (i = 0; i < ETH_ALEN; i++)
343 dst |= (u64)src[ETH_ALEN - 1 - i] << (8 * i);
348 static inline void b53_arl_to_entry(struct b53_arl_entry *ent,
349 u64 mac_vid, u32 fwd_entry)
351 memset(ent, 0, sizeof(*ent));
352 ent->port = fwd_entry & ARLTBL_DATA_PORT_ID_MASK;
353 ent->is_valid = !!(fwd_entry & ARLTBL_VALID);
354 ent->is_age = !!(fwd_entry & ARLTBL_AGE);
355 ent->is_static = !!(fwd_entry & ARLTBL_STATIC);
356 b53_mac_from_u64(mac_vid, ent->mac);
357 ent->vid = mac_vid >> ARLTBL_VID_S;
360 static inline void b53_arl_from_entry(u64 *mac_vid, u32 *fwd_entry,
361 const struct b53_arl_entry *ent)
363 *mac_vid = b53_mac_to_u64(ent->mac);
364 *mac_vid |= (u64)(ent->vid & ARLTBL_VID_MASK) << ARLTBL_VID_S;
365 *fwd_entry = ent->port & ARLTBL_DATA_PORT_ID_MASK;
367 *fwd_entry |= ARLTBL_VALID;
369 *fwd_entry |= ARLTBL_STATIC;
371 *fwd_entry |= ARLTBL_AGE;
374 #ifdef CONFIG_BCM47XX
376 #include <linux/bcm47xx_nvram.h>
377 #include <bcm47xx_board.h>
378 static inline int b53_switch_get_reset_gpio(struct b53_device *dev)
380 enum bcm47xx_board board = bcm47xx_board_get();
383 case BCM47XX_BOARD_LINKSYS_WRT300NV11:
384 case BCM47XX_BOARD_LINKSYS_WRT310NV1:
387 return bcm47xx_nvram_gpio_pin("robo_reset");
391 static inline int b53_switch_get_reset_gpio(struct b53_device *dev)