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 BCM5395_DEVICE_ID = 0x95,
51 BCM5397_DEVICE_ID = 0x97,
52 BCM5398_DEVICE_ID = 0x98,
53 BCM53115_DEVICE_ID = 0x53115,
54 BCM53125_DEVICE_ID = 0x53125,
55 BCM53128_DEVICE_ID = 0x53128,
56 BCM63XX_DEVICE_ID = 0x6300,
57 BCM53010_DEVICE_ID = 0x53010,
58 BCM53011_DEVICE_ID = 0x53011,
59 BCM53012_DEVICE_ID = 0x53012,
60 BCM53018_DEVICE_ID = 0x53018,
61 BCM53019_DEVICE_ID = 0x53019,
62 BCM58XX_DEVICE_ID = 0x5800,
63 BCM7445_DEVICE_ID = 0x7445,
67 #define B53_N_PORTS_25 6
71 struct net_device *bridge_dev;
81 struct dsa_switch *ds;
82 struct b53_platform_data *pdata;
85 struct mutex reg_mutex;
86 struct mutex stats_mutex;
87 const struct b53_io_ops *ops;
89 /* chip specific data */
101 unsigned int cpu_port;
103 /* connect specific data */
107 /* Master MDIO bus we got probed from */
112 /* run time configuration */
115 unsigned int num_vlans;
116 struct b53_vlan *vlans;
117 unsigned int num_ports;
118 struct b53_port *ports;
121 #define b53_for_each_port(dev, i) \
122 for (i = 0; i < B53_N_PORTS; i++) \
123 if (dev->enabled_ports & BIT(i))
126 static inline int is5325(struct b53_device *dev)
128 return dev->chip_id == BCM5325_DEVICE_ID;
131 static inline int is5365(struct b53_device *dev)
133 #ifdef CONFIG_BCM47XX
134 return dev->chip_id == BCM5365_DEVICE_ID;
140 static inline int is5397_98(struct b53_device *dev)
142 return dev->chip_id == BCM5397_DEVICE_ID ||
143 dev->chip_id == BCM5398_DEVICE_ID;
146 static inline int is539x(struct b53_device *dev)
148 return dev->chip_id == BCM5395_DEVICE_ID ||
149 dev->chip_id == BCM5397_DEVICE_ID ||
150 dev->chip_id == BCM5398_DEVICE_ID;
153 static inline int is531x5(struct b53_device *dev)
155 return dev->chip_id == BCM53115_DEVICE_ID ||
156 dev->chip_id == BCM53125_DEVICE_ID ||
157 dev->chip_id == BCM53128_DEVICE_ID;
160 static inline int is63xx(struct b53_device *dev)
162 #ifdef CONFIG_BCM63XX
163 return dev->chip_id == BCM63XX_DEVICE_ID;
169 static inline int is5301x(struct b53_device *dev)
171 return dev->chip_id == BCM53010_DEVICE_ID ||
172 dev->chip_id == BCM53011_DEVICE_ID ||
173 dev->chip_id == BCM53012_DEVICE_ID ||
174 dev->chip_id == BCM53018_DEVICE_ID ||
175 dev->chip_id == BCM53019_DEVICE_ID;
178 static inline int is58xx(struct b53_device *dev)
180 return dev->chip_id == BCM58XX_DEVICE_ID ||
181 dev->chip_id == BCM7445_DEVICE_ID;
184 #define B53_CPU_PORT_25 5
185 #define B53_CPU_PORT 8
187 static inline int is_cpu_port(struct b53_device *dev, int port)
189 return dev->cpu_port;
192 struct b53_device *b53_switch_alloc(struct device *base,
193 const struct b53_io_ops *ops,
196 int b53_switch_detect(struct b53_device *dev);
198 int b53_switch_register(struct b53_device *dev);
200 static inline void b53_switch_remove(struct b53_device *dev)
202 dsa_unregister_switch(dev->ds);
205 static inline int b53_read8(struct b53_device *dev, u8 page, u8 reg, u8 *val)
209 mutex_lock(&dev->reg_mutex);
210 ret = dev->ops->read8(dev, page, reg, val);
211 mutex_unlock(&dev->reg_mutex);
216 static inline int b53_read16(struct b53_device *dev, u8 page, u8 reg, u16 *val)
220 mutex_lock(&dev->reg_mutex);
221 ret = dev->ops->read16(dev, page, reg, val);
222 mutex_unlock(&dev->reg_mutex);
227 static inline int b53_read32(struct b53_device *dev, u8 page, u8 reg, u32 *val)
231 mutex_lock(&dev->reg_mutex);
232 ret = dev->ops->read32(dev, page, reg, val);
233 mutex_unlock(&dev->reg_mutex);
238 static inline int b53_read48(struct b53_device *dev, u8 page, u8 reg, u64 *val)
242 mutex_lock(&dev->reg_mutex);
243 ret = dev->ops->read48(dev, page, reg, val);
244 mutex_unlock(&dev->reg_mutex);
249 static inline int b53_read64(struct b53_device *dev, u8 page, u8 reg, u64 *val)
253 mutex_lock(&dev->reg_mutex);
254 ret = dev->ops->read64(dev, page, reg, val);
255 mutex_unlock(&dev->reg_mutex);
260 static inline int b53_write8(struct b53_device *dev, u8 page, u8 reg, u8 value)
264 mutex_lock(&dev->reg_mutex);
265 ret = dev->ops->write8(dev, page, reg, value);
266 mutex_unlock(&dev->reg_mutex);
271 static inline int b53_write16(struct b53_device *dev, u8 page, u8 reg,
276 mutex_lock(&dev->reg_mutex);
277 ret = dev->ops->write16(dev, page, reg, value);
278 mutex_unlock(&dev->reg_mutex);
283 static inline int b53_write32(struct b53_device *dev, u8 page, u8 reg,
288 mutex_lock(&dev->reg_mutex);
289 ret = dev->ops->write32(dev, page, reg, value);
290 mutex_unlock(&dev->reg_mutex);
295 static inline int b53_write48(struct b53_device *dev, u8 page, u8 reg,
300 mutex_lock(&dev->reg_mutex);
301 ret = dev->ops->write48(dev, page, reg, value);
302 mutex_unlock(&dev->reg_mutex);
307 static inline int b53_write64(struct b53_device *dev, u8 page, u8 reg,
312 mutex_lock(&dev->reg_mutex);
313 ret = dev->ops->write64(dev, page, reg, value);
314 mutex_unlock(&dev->reg_mutex);
319 struct b53_arl_entry {
328 static inline void b53_mac_from_u64(u64 src, u8 *dst)
332 for (i = 0; i < ETH_ALEN; i++)
333 dst[ETH_ALEN - 1 - i] = (src >> (8 * i)) & 0xff;
336 static inline u64 b53_mac_to_u64(const u8 *src)
341 for (i = 0; i < ETH_ALEN; i++)
342 dst |= (u64)src[ETH_ALEN - 1 - i] << (8 * i);
347 static inline void b53_arl_to_entry(struct b53_arl_entry *ent,
348 u64 mac_vid, u32 fwd_entry)
350 memset(ent, 0, sizeof(*ent));
351 ent->port = fwd_entry & ARLTBL_DATA_PORT_ID_MASK;
352 ent->is_valid = !!(fwd_entry & ARLTBL_VALID);
353 ent->is_age = !!(fwd_entry & ARLTBL_AGE);
354 ent->is_static = !!(fwd_entry & ARLTBL_STATIC);
355 b53_mac_from_u64(mac_vid, ent->mac);
356 ent->vid = mac_vid >> ARLTBL_VID_S;
359 static inline void b53_arl_from_entry(u64 *mac_vid, u32 *fwd_entry,
360 const struct b53_arl_entry *ent)
362 *mac_vid = b53_mac_to_u64(ent->mac);
363 *mac_vid |= (u64)(ent->vid & ARLTBL_VID_MASK) << ARLTBL_VID_S;
364 *fwd_entry = ent->port & ARLTBL_DATA_PORT_ID_MASK;
366 *fwd_entry |= ARLTBL_VALID;
368 *fwd_entry |= ARLTBL_STATIC;
370 *fwd_entry |= ARLTBL_AGE;
373 #ifdef CONFIG_BCM47XX
375 #include <linux/bcm47xx_nvram.h>
376 #include <bcm47xx_board.h>
377 static inline int b53_switch_get_reset_gpio(struct b53_device *dev)
379 enum bcm47xx_board board = bcm47xx_board_get();
382 case BCM47XX_BOARD_LINKSYS_WRT300NV11:
383 case BCM47XX_BOARD_LINKSYS_WRT310NV1:
386 return bcm47xx_nvram_gpio_pin("robo_reset");
390 static inline int b53_switch_get_reset_gpio(struct b53_device *dev)