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>
32 int (*read8)(struct b53_device *dev, u8 page, u8 reg, u8 *value);
33 int (*read16)(struct b53_device *dev, u8 page, u8 reg, u16 *value);
34 int (*read32)(struct b53_device *dev, u8 page, u8 reg, u32 *value);
35 int (*read48)(struct b53_device *dev, u8 page, u8 reg, u64 *value);
36 int (*read64)(struct b53_device *dev, u8 page, u8 reg, u64 *value);
37 int (*write8)(struct b53_device *dev, u8 page, u8 reg, u8 value);
38 int (*write16)(struct b53_device *dev, u8 page, u8 reg, u16 value);
39 int (*write32)(struct b53_device *dev, u8 page, u8 reg, u32 value);
40 int (*write48)(struct b53_device *dev, u8 page, u8 reg, u64 value);
41 int (*write64)(struct b53_device *dev, u8 page, u8 reg, u64 value);
42 int (*phy_read16)(struct b53_device *dev, int addr, int reg, u16 *value);
43 int (*phy_write16)(struct b53_device *dev, int addr, int reg, u16 value);
47 BCM5325_DEVICE_ID = 0x25,
48 BCM5365_DEVICE_ID = 0x65,
49 BCM5395_DEVICE_ID = 0x95,
50 BCM5397_DEVICE_ID = 0x97,
51 BCM5398_DEVICE_ID = 0x98,
52 BCM53115_DEVICE_ID = 0x53115,
53 BCM53125_DEVICE_ID = 0x53125,
54 BCM53128_DEVICE_ID = 0x53128,
55 BCM63XX_DEVICE_ID = 0x6300,
56 BCM53010_DEVICE_ID = 0x53010,
57 BCM53011_DEVICE_ID = 0x53011,
58 BCM53012_DEVICE_ID = 0x53012,
59 BCM53018_DEVICE_ID = 0x53018,
60 BCM53019_DEVICE_ID = 0x53019,
64 #define B53_N_PORTS_25 6
70 struct dsa_switch *ds;
71 struct b53_platform_data *pdata;
74 struct mutex reg_mutex;
75 struct mutex stats_mutex;
76 const struct b53_io_ops *ops;
78 /* chip specific data */
90 unsigned int cpu_port;
92 /* connect specific data */
96 /* Master MDIO bus we got probed from */
99 /* Slave MDIO bus we created */
100 struct mii_bus *slave_bus;
103 /* run time configuration */
104 unsigned enable_jumbo:1;
105 unsigned allow_vid_4095:1;
106 unsigned int num_vlans;
107 unsigned int num_ports;
108 struct b53_port *ports;
111 #define b53_for_each_port(dev, i) \
112 for (i = 0; i < B53_N_PORTS; i++) \
113 if (dev->enabled_ports & BIT(i))
116 static inline int is5325(struct b53_device *dev)
118 return dev->chip_id == BCM5325_DEVICE_ID;
121 static inline int is5365(struct b53_device *dev)
123 #ifdef CONFIG_BCM47XX
124 return dev->chip_id == BCM5365_DEVICE_ID;
130 static inline int is5397_98(struct b53_device *dev)
132 return dev->chip_id == BCM5397_DEVICE_ID ||
133 dev->chip_id == BCM5398_DEVICE_ID;
136 static inline int is539x(struct b53_device *dev)
138 return dev->chip_id == BCM5395_DEVICE_ID ||
139 dev->chip_id == BCM5397_DEVICE_ID ||
140 dev->chip_id == BCM5398_DEVICE_ID;
143 static inline int is531x5(struct b53_device *dev)
145 return dev->chip_id == BCM53115_DEVICE_ID ||
146 dev->chip_id == BCM53125_DEVICE_ID ||
147 dev->chip_id == BCM53128_DEVICE_ID;
150 static inline int is63xx(struct b53_device *dev)
152 #ifdef CONFIG_BCM63XX
153 return dev->chip_id == BCM63XX_DEVICE_ID;
159 static inline int is5301x(struct b53_device *dev)
161 return dev->chip_id == BCM53010_DEVICE_ID ||
162 dev->chip_id == BCM53011_DEVICE_ID ||
163 dev->chip_id == BCM53012_DEVICE_ID ||
164 dev->chip_id == BCM53018_DEVICE_ID ||
165 dev->chip_id == BCM53019_DEVICE_ID;
168 #define B53_CPU_PORT_25 5
169 #define B53_CPU_PORT 8
171 static inline int is_cpu_port(struct b53_device *dev, int port)
173 return dev->cpu_port;
176 struct b53_device *b53_switch_alloc(struct device *base, struct b53_io_ops *ops,
179 int b53_switch_detect(struct b53_device *dev);
181 int b53_switch_register(struct b53_device *dev);
183 static inline void b53_switch_remove(struct b53_device *dev)
185 dsa_unregister_switch(dev->ds);
188 static inline int b53_read8(struct b53_device *dev, u8 page, u8 reg, u8 *val)
192 mutex_lock(&dev->reg_mutex);
193 ret = dev->ops->read8(dev, page, reg, val);
194 mutex_unlock(&dev->reg_mutex);
199 static inline int b53_read16(struct b53_device *dev, u8 page, u8 reg, u16 *val)
203 mutex_lock(&dev->reg_mutex);
204 ret = dev->ops->read16(dev, page, reg, val);
205 mutex_unlock(&dev->reg_mutex);
210 static inline int b53_read32(struct b53_device *dev, u8 page, u8 reg, u32 *val)
214 mutex_lock(&dev->reg_mutex);
215 ret = dev->ops->read32(dev, page, reg, val);
216 mutex_unlock(&dev->reg_mutex);
221 static inline int b53_read48(struct b53_device *dev, u8 page, u8 reg, u64 *val)
225 mutex_lock(&dev->reg_mutex);
226 ret = dev->ops->read48(dev, page, reg, val);
227 mutex_unlock(&dev->reg_mutex);
232 static inline int b53_read64(struct b53_device *dev, u8 page, u8 reg, u64 *val)
236 mutex_lock(&dev->reg_mutex);
237 ret = dev->ops->read64(dev, page, reg, val);
238 mutex_unlock(&dev->reg_mutex);
243 static inline int b53_write8(struct b53_device *dev, u8 page, u8 reg, u8 value)
247 mutex_lock(&dev->reg_mutex);
248 ret = dev->ops->write8(dev, page, reg, value);
249 mutex_unlock(&dev->reg_mutex);
254 static inline int b53_write16(struct b53_device *dev, u8 page, u8 reg,
259 mutex_lock(&dev->reg_mutex);
260 ret = dev->ops->write16(dev, page, reg, value);
261 mutex_unlock(&dev->reg_mutex);
266 static inline int b53_write32(struct b53_device *dev, u8 page, u8 reg,
271 mutex_lock(&dev->reg_mutex);
272 ret = dev->ops->write32(dev, page, reg, value);
273 mutex_unlock(&dev->reg_mutex);
278 static inline int b53_write48(struct b53_device *dev, u8 page, u8 reg,
283 mutex_lock(&dev->reg_mutex);
284 ret = dev->ops->write48(dev, page, reg, value);
285 mutex_unlock(&dev->reg_mutex);
290 static inline int b53_write64(struct b53_device *dev, u8 page, u8 reg,
295 mutex_lock(&dev->reg_mutex);
296 ret = dev->ops->write64(dev, page, reg, value);
297 mutex_unlock(&dev->reg_mutex);
302 struct b53_arl_entry {
311 static inline void b53_mac_from_u64(u64 src, u8 *dst)
315 for (i = 0; i < ETH_ALEN; i++)
316 dst[ETH_ALEN - 1 - i] = (src >> (8 * i)) & 0xff;
319 static inline u64 b53_mac_to_u64(const u8 *src)
324 for (i = 0; i < ETH_ALEN; i++)
325 dst |= (u64)src[ETH_ALEN - 1 - i] << (8 * i);
330 static inline void b53_arl_to_entry(struct b53_arl_entry *ent,
331 u64 mac_vid, u32 fwd_entry)
333 memset(ent, 0, sizeof(*ent));
334 ent->port = fwd_entry & ARLTBL_DATA_PORT_ID_MASK;
335 ent->is_valid = !!(fwd_entry & ARLTBL_VALID);
336 ent->is_age = !!(fwd_entry & ARLTBL_AGE);
337 ent->is_static = !!(fwd_entry & ARLTBL_STATIC);
338 b53_mac_from_u64(mac_vid, ent->mac);
339 ent->vid = mac_vid >> ARLTBL_VID_S;
342 static inline void b53_arl_from_entry(u64 *mac_vid, u32 *fwd_entry,
343 const struct b53_arl_entry *ent)
345 *mac_vid = b53_mac_to_u64(ent->mac);
346 *mac_vid |= (u64)(ent->vid & ARLTBL_VID_MASK) << ARLTBL_VID_S;
347 *fwd_entry = ent->port & ARLTBL_DATA_PORT_ID_MASK;
349 *fwd_entry |= ARLTBL_VALID;
351 *fwd_entry |= ARLTBL_STATIC;
353 *fwd_entry |= ARLTBL_AGE;
356 #ifdef CONFIG_BCM47XX
358 #include <linux/version.h>
359 #include <linux/bcm47xx_nvram.h>
360 #include <bcm47xx_board.h>
361 static inline int b53_switch_get_reset_gpio(struct b53_device *dev)
363 enum bcm47xx_board board = bcm47xx_board_get();
366 case BCM47XX_BOARD_LINKSYS_WRT300NV11:
367 case BCM47XX_BOARD_LINKSYS_WRT310NV1:
370 return bcm47xx_nvram_gpio_pin("robo_reset");
374 static inline int b53_switch_get_reset_gpio(struct b53_device *dev)