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 #define B53_CPU_PORT_25 5
179 #define B53_CPU_PORT 8
181 static inline int is_cpu_port(struct b53_device *dev, int port)
183 return dev->cpu_port;
186 struct b53_device *b53_switch_alloc(struct device *base,
187 const struct b53_io_ops *ops,
190 int b53_switch_detect(struct b53_device *dev);
192 int b53_switch_register(struct b53_device *dev);
194 static inline void b53_switch_remove(struct b53_device *dev)
196 dsa_unregister_switch(dev->ds);
199 static inline int b53_read8(struct b53_device *dev, u8 page, u8 reg, u8 *val)
203 mutex_lock(&dev->reg_mutex);
204 ret = dev->ops->read8(dev, page, reg, val);
205 mutex_unlock(&dev->reg_mutex);
210 static inline int b53_read16(struct b53_device *dev, u8 page, u8 reg, u16 *val)
214 mutex_lock(&dev->reg_mutex);
215 ret = dev->ops->read16(dev, page, reg, val);
216 mutex_unlock(&dev->reg_mutex);
221 static inline int b53_read32(struct b53_device *dev, u8 page, u8 reg, u32 *val)
225 mutex_lock(&dev->reg_mutex);
226 ret = dev->ops->read32(dev, page, reg, val);
227 mutex_unlock(&dev->reg_mutex);
232 static inline int b53_read48(struct b53_device *dev, u8 page, u8 reg, u64 *val)
236 mutex_lock(&dev->reg_mutex);
237 ret = dev->ops->read48(dev, page, reg, val);
238 mutex_unlock(&dev->reg_mutex);
243 static inline int b53_read64(struct b53_device *dev, u8 page, u8 reg, u64 *val)
247 mutex_lock(&dev->reg_mutex);
248 ret = dev->ops->read64(dev, page, reg, val);
249 mutex_unlock(&dev->reg_mutex);
254 static inline int b53_write8(struct b53_device *dev, u8 page, u8 reg, u8 value)
258 mutex_lock(&dev->reg_mutex);
259 ret = dev->ops->write8(dev, page, reg, value);
260 mutex_unlock(&dev->reg_mutex);
265 static inline int b53_write16(struct b53_device *dev, u8 page, u8 reg,
270 mutex_lock(&dev->reg_mutex);
271 ret = dev->ops->write16(dev, page, reg, value);
272 mutex_unlock(&dev->reg_mutex);
277 static inline int b53_write32(struct b53_device *dev, u8 page, u8 reg,
282 mutex_lock(&dev->reg_mutex);
283 ret = dev->ops->write32(dev, page, reg, value);
284 mutex_unlock(&dev->reg_mutex);
289 static inline int b53_write48(struct b53_device *dev, u8 page, u8 reg,
294 mutex_lock(&dev->reg_mutex);
295 ret = dev->ops->write48(dev, page, reg, value);
296 mutex_unlock(&dev->reg_mutex);
301 static inline int b53_write64(struct b53_device *dev, u8 page, u8 reg,
306 mutex_lock(&dev->reg_mutex);
307 ret = dev->ops->write64(dev, page, reg, value);
308 mutex_unlock(&dev->reg_mutex);
313 struct b53_arl_entry {
322 static inline void b53_mac_from_u64(u64 src, u8 *dst)
326 for (i = 0; i < ETH_ALEN; i++)
327 dst[ETH_ALEN - 1 - i] = (src >> (8 * i)) & 0xff;
330 static inline u64 b53_mac_to_u64(const u8 *src)
335 for (i = 0; i < ETH_ALEN; i++)
336 dst |= (u64)src[ETH_ALEN - 1 - i] << (8 * i);
341 static inline void b53_arl_to_entry(struct b53_arl_entry *ent,
342 u64 mac_vid, u32 fwd_entry)
344 memset(ent, 0, sizeof(*ent));
345 ent->port = fwd_entry & ARLTBL_DATA_PORT_ID_MASK;
346 ent->is_valid = !!(fwd_entry & ARLTBL_VALID);
347 ent->is_age = !!(fwd_entry & ARLTBL_AGE);
348 ent->is_static = !!(fwd_entry & ARLTBL_STATIC);
349 b53_mac_from_u64(mac_vid, ent->mac);
350 ent->vid = mac_vid >> ARLTBL_VID_S;
353 static inline void b53_arl_from_entry(u64 *mac_vid, u32 *fwd_entry,
354 const struct b53_arl_entry *ent)
356 *mac_vid = b53_mac_to_u64(ent->mac);
357 *mac_vid |= (u64)(ent->vid & ARLTBL_VID_MASK) << ARLTBL_VID_S;
358 *fwd_entry = ent->port & ARLTBL_DATA_PORT_ID_MASK;
360 *fwd_entry |= ARLTBL_VALID;
362 *fwd_entry |= ARLTBL_STATIC;
364 *fwd_entry |= ARLTBL_AGE;
367 #ifdef CONFIG_BCM47XX
369 #include <linux/version.h>
370 #include <linux/bcm47xx_nvram.h>
371 #include <bcm47xx_board.h>
372 static inline int b53_switch_get_reset_gpio(struct b53_device *dev)
374 enum bcm47xx_board board = bcm47xx_board_get();
377 case BCM47XX_BOARD_LINKSYS_WRT300NV11:
378 case BCM47XX_BOARD_LINKSYS_WRT310NV1:
381 return bcm47xx_nvram_gpio_pin("robo_reset");
385 static inline int b53_switch_get_reset_gpio(struct b53_device *dev)