This source file includes following definitions.
- slave_read
- slave_write
- cpsw_get_slave_port
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6 #ifndef DRIVERS_NET_ETHERNET_TI_CPSW_PRIV_H_
7 #define DRIVERS_NET_ETHERNET_TI_CPSW_PRIV_H_
8
9 #include "davinci_cpdma.h"
10
11 #define CPSW_DEBUG (NETIF_MSG_HW | NETIF_MSG_WOL | \
12 NETIF_MSG_DRV | NETIF_MSG_LINK | \
13 NETIF_MSG_IFUP | NETIF_MSG_INTR | \
14 NETIF_MSG_PROBE | NETIF_MSG_TIMER | \
15 NETIF_MSG_IFDOWN | NETIF_MSG_RX_ERR | \
16 NETIF_MSG_TX_ERR | NETIF_MSG_TX_DONE | \
17 NETIF_MSG_PKTDATA | NETIF_MSG_TX_QUEUED | \
18 NETIF_MSG_RX_STATUS)
19
20 #define cpsw_info(priv, type, format, ...) \
21 do { \
22 if (netif_msg_##type(priv) && net_ratelimit()) \
23 dev_info(priv->dev, format, ## __VA_ARGS__); \
24 } while (0)
25
26 #define cpsw_err(priv, type, format, ...) \
27 do { \
28 if (netif_msg_##type(priv) && net_ratelimit()) \
29 dev_err(priv->dev, format, ## __VA_ARGS__); \
30 } while (0)
31
32 #define cpsw_dbg(priv, type, format, ...) \
33 do { \
34 if (netif_msg_##type(priv) && net_ratelimit()) \
35 dev_dbg(priv->dev, format, ## __VA_ARGS__); \
36 } while (0)
37
38 #define cpsw_notice(priv, type, format, ...) \
39 do { \
40 if (netif_msg_##type(priv) && net_ratelimit()) \
41 dev_notice(priv->dev, format, ## __VA_ARGS__); \
42 } while (0)
43
44 #define ALE_ALL_PORTS 0x7
45
46 #define CPSW_MAJOR_VERSION(reg) (reg >> 8 & 0x7)
47 #define CPSW_MINOR_VERSION(reg) (reg & 0xff)
48 #define CPSW_RTL_VERSION(reg) ((reg >> 11) & 0x1f)
49
50 #define CPSW_VERSION_1 0x19010a
51 #define CPSW_VERSION_2 0x19010c
52 #define CPSW_VERSION_3 0x19010f
53 #define CPSW_VERSION_4 0x190112
54
55 #define HOST_PORT_NUM 0
56 #define CPSW_ALE_PORTS_NUM 3
57 #define SLIVER_SIZE 0x40
58
59 #define CPSW1_HOST_PORT_OFFSET 0x028
60 #define CPSW1_SLAVE_OFFSET 0x050
61 #define CPSW1_SLAVE_SIZE 0x040
62 #define CPSW1_CPDMA_OFFSET 0x100
63 #define CPSW1_STATERAM_OFFSET 0x200
64 #define CPSW1_HW_STATS 0x400
65 #define CPSW1_CPTS_OFFSET 0x500
66 #define CPSW1_ALE_OFFSET 0x600
67 #define CPSW1_SLIVER_OFFSET 0x700
68
69 #define CPSW2_HOST_PORT_OFFSET 0x108
70 #define CPSW2_SLAVE_OFFSET 0x200
71 #define CPSW2_SLAVE_SIZE 0x100
72 #define CPSW2_CPDMA_OFFSET 0x800
73 #define CPSW2_HW_STATS 0x900
74 #define CPSW2_STATERAM_OFFSET 0xa00
75 #define CPSW2_CPTS_OFFSET 0xc00
76 #define CPSW2_ALE_OFFSET 0xd00
77 #define CPSW2_SLIVER_OFFSET 0xd80
78 #define CPSW2_BD_OFFSET 0x2000
79
80 #define CPDMA_RXTHRESH 0x0c0
81 #define CPDMA_RXFREE 0x0e0
82 #define CPDMA_TXHDP 0x00
83 #define CPDMA_RXHDP 0x20
84 #define CPDMA_TXCP 0x40
85 #define CPDMA_RXCP 0x60
86
87 #define CPSW_POLL_WEIGHT 64
88 #define CPSW_RX_VLAN_ENCAP_HDR_SIZE 4
89 #define CPSW_MIN_PACKET_SIZE (VLAN_ETH_ZLEN)
90 #define CPSW_MAX_PACKET_SIZE (VLAN_ETH_FRAME_LEN +\
91 ETH_FCS_LEN +\
92 CPSW_RX_VLAN_ENCAP_HDR_SIZE)
93
94 #define RX_PRIORITY_MAPPING 0x76543210
95 #define TX_PRIORITY_MAPPING 0x33221100
96 #define CPDMA_TX_PRIORITY_MAP 0x76543210
97
98 #define CPSW_VLAN_AWARE BIT(1)
99 #define CPSW_RX_VLAN_ENCAP BIT(2)
100 #define CPSW_ALE_VLAN_AWARE 1
101
102 #define CPSW_FIFO_NORMAL_MODE (0 << 16)
103 #define CPSW_FIFO_DUAL_MAC_MODE (1 << 16)
104 #define CPSW_FIFO_RATE_LIMIT_MODE (2 << 16)
105
106 #define CPSW_INTPACEEN (0x3f << 16)
107 #define CPSW_INTPRESCALE_MASK (0x7FF << 0)
108 #define CPSW_CMINTMAX_CNT 63
109 #define CPSW_CMINTMIN_CNT 2
110 #define CPSW_CMINTMAX_INTVL (1000 / CPSW_CMINTMIN_CNT)
111 #define CPSW_CMINTMIN_INTVL ((1000 / CPSW_CMINTMAX_CNT) + 1)
112
113 #define IRQ_NUM 2
114 #define CPSW_MAX_QUEUES 8
115 #define CPSW_CPDMA_DESCS_POOL_SIZE_DEFAULT 256
116 #define CPSW_FIFO_QUEUE_TYPE_SHIFT 16
117 #define CPSW_FIFO_SHAPE_EN_SHIFT 16
118 #define CPSW_FIFO_RATE_EN_SHIFT 20
119 #define CPSW_TC_NUM 4
120 #define CPSW_FIFO_SHAPERS_NUM (CPSW_TC_NUM - 1)
121 #define CPSW_PCT_MASK 0x7f
122
123 #define CPSW_RX_VLAN_ENCAP_HDR_PRIO_SHIFT 29
124 #define CPSW_RX_VLAN_ENCAP_HDR_PRIO_MSK GENMASK(2, 0)
125 #define CPSW_RX_VLAN_ENCAP_HDR_VID_SHIFT 16
126 #define CPSW_RX_VLAN_ENCAP_HDR_PKT_TYPE_SHIFT 8
127 #define CPSW_RX_VLAN_ENCAP_HDR_PKT_TYPE_MSK GENMASK(1, 0)
128 enum {
129 CPSW_RX_VLAN_ENCAP_HDR_PKT_VLAN_TAG = 0,
130 CPSW_RX_VLAN_ENCAP_HDR_PKT_RESERV,
131 CPSW_RX_VLAN_ENCAP_HDR_PKT_PRIO_TAG,
132 CPSW_RX_VLAN_ENCAP_HDR_PKT_UNTAG,
133 };
134
135 struct cpsw_wr_regs {
136 u32 id_ver;
137 u32 soft_reset;
138 u32 control;
139 u32 int_control;
140 u32 rx_thresh_en;
141 u32 rx_en;
142 u32 tx_en;
143 u32 misc_en;
144 u32 mem_allign1[8];
145 u32 rx_thresh_stat;
146 u32 rx_stat;
147 u32 tx_stat;
148 u32 misc_stat;
149 u32 mem_allign2[8];
150 u32 rx_imax;
151 u32 tx_imax;
152
153 };
154
155 struct cpsw_ss_regs {
156 u32 id_ver;
157 u32 control;
158 u32 soft_reset;
159 u32 stat_port_en;
160 u32 ptype;
161 u32 soft_idle;
162 u32 thru_rate;
163 u32 gap_thresh;
164 u32 tx_start_wds;
165 u32 flow_control;
166 u32 vlan_ltype;
167 u32 ts_ltype;
168 u32 dlr_ltype;
169 };
170
171
172 #define CPSW1_MAX_BLKS 0x00
173 #define CPSW1_BLK_CNT 0x04
174 #define CPSW1_TX_IN_CTL 0x08
175 #define CPSW1_PORT_VLAN 0x0c
176 #define CPSW1_TX_PRI_MAP 0x10
177 #define CPSW1_TS_CTL 0x14
178 #define CPSW1_TS_SEQ_LTYPE 0x18
179 #define CPSW1_TS_VLAN 0x1c
180
181
182 #define CPSW2_CONTROL 0x00
183 #define CPSW2_MAX_BLKS 0x08
184 #define CPSW2_BLK_CNT 0x0c
185 #define CPSW2_TX_IN_CTL 0x10
186 #define CPSW2_PORT_VLAN 0x14
187 #define CPSW2_TX_PRI_MAP 0x18
188 #define CPSW2_TS_SEQ_MTYPE 0x1c
189
190
191 #define SA_LO 0x20
192 #define SA_HI 0x24
193 #define SEND_PERCENT 0x28
194
195
196 #define RX_DSCP_PRI_MAP0 0x30
197 #define RX_DSCP_PRI_MAP1 0x34
198 #define RX_DSCP_PRI_MAP2 0x38
199 #define RX_DSCP_PRI_MAP3 0x3c
200 #define RX_DSCP_PRI_MAP4 0x40
201 #define RX_DSCP_PRI_MAP5 0x44
202 #define RX_DSCP_PRI_MAP6 0x48
203 #define RX_DSCP_PRI_MAP7 0x4c
204
205
206 #define PASS_PRI_TAGGED BIT(24)
207 #define VLAN_LTYPE2_EN BIT(21)
208 #define VLAN_LTYPE1_EN BIT(20)
209 #define DSCP_PRI_EN BIT(16)
210 #define TS_107 BIT(15)
211 #define TS_320 BIT(14)
212 #define TS_319 BIT(13)
213 #define TS_132 BIT(12)
214 #define TS_131 BIT(11)
215 #define TS_130 BIT(10)
216 #define TS_129 BIT(9)
217 #define TS_TTL_NONZERO BIT(8)
218 #define TS_ANNEX_F_EN BIT(6)
219 #define TS_ANNEX_D_EN BIT(4)
220 #define TS_LTYPE2_EN BIT(3)
221 #define TS_LTYPE1_EN BIT(2)
222 #define TS_TX_EN BIT(1)
223 #define TS_RX_EN BIT(0)
224
225 #define CTRL_V2_TS_BITS \
226 (TS_320 | TS_319 | TS_132 | TS_131 | TS_130 | TS_129 |\
227 TS_TTL_NONZERO | TS_ANNEX_D_EN | TS_LTYPE1_EN | VLAN_LTYPE1_EN)
228
229 #define CTRL_V2_ALL_TS_MASK (CTRL_V2_TS_BITS | TS_TX_EN | TS_RX_EN)
230 #define CTRL_V2_TX_TS_BITS (CTRL_V2_TS_BITS | TS_TX_EN)
231 #define CTRL_V2_RX_TS_BITS (CTRL_V2_TS_BITS | TS_RX_EN)
232
233
234 #define CTRL_V3_TS_BITS \
235 (TS_107 | TS_320 | TS_319 | TS_132 | TS_131 | TS_130 | TS_129 |\
236 TS_TTL_NONZERO | TS_ANNEX_F_EN | TS_ANNEX_D_EN |\
237 TS_LTYPE1_EN | VLAN_LTYPE1_EN)
238
239 #define CTRL_V3_ALL_TS_MASK (CTRL_V3_TS_BITS | TS_TX_EN | TS_RX_EN)
240 #define CTRL_V3_TX_TS_BITS (CTRL_V3_TS_BITS | TS_TX_EN)
241 #define CTRL_V3_RX_TS_BITS (CTRL_V3_TS_BITS | TS_RX_EN)
242
243
244 #define TS_SEQ_ID_OFFSET_SHIFT (16)
245 #define TS_SEQ_ID_OFFSET_MASK (0x3f)
246 #define TS_MSG_TYPE_EN_SHIFT (0)
247 #define TS_MSG_TYPE_EN_MASK (0xffff)
248
249
250 #define EVENT_MSG_BITS ((1<<0) | (1<<1) | (1<<2) | (1<<3))
251
252
253 #define CPSW_V1_TS_RX_EN BIT(0)
254 #define CPSW_V1_TS_TX_EN BIT(4)
255 #define CPSW_V1_MSG_TYPE_OFS 16
256
257
258 #define CPSW_V1_SEQ_ID_OFS_SHIFT 16
259
260 #define CPSW_MAX_BLKS_TX 15
261 #define CPSW_MAX_BLKS_TX_SHIFT 4
262 #define CPSW_MAX_BLKS_RX 5
263
264 struct cpsw_host_regs {
265 u32 max_blks;
266 u32 blk_cnt;
267 u32 tx_in_ctl;
268 u32 port_vlan;
269 u32 tx_pri_map;
270 u32 cpdma_tx_pri_map;
271 u32 cpdma_rx_chan_map;
272 };
273
274 struct cpsw_slave_data {
275 struct device_node *slave_node;
276 struct device_node *phy_node;
277 char phy_id[MII_BUS_ID_SIZE];
278 int phy_if;
279 u8 mac_addr[ETH_ALEN];
280 u16 dual_emac_res_vlan;
281 struct phy *ifphy;
282 };
283
284 struct cpsw_platform_data {
285 struct cpsw_slave_data *slave_data;
286 u32 ss_reg_ofs;
287 u32 channels;
288 u32 slaves;
289 u32 active_slave;
290 u32 ale_entries;
291 u32 bd_ram_size;
292 u32 mac_control;
293 u16 default_vlan;
294 bool dual_emac;
295 };
296
297 struct cpsw_slave {
298 void __iomem *regs;
299 int slave_num;
300 u32 mac_control;
301 struct cpsw_slave_data *data;
302 struct phy_device *phy;
303 struct net_device *ndev;
304 u32 port_vlan;
305 struct cpsw_sl *mac_sl;
306 };
307
308 static inline u32 slave_read(struct cpsw_slave *slave, u32 offset)
309 {
310 return readl_relaxed(slave->regs + offset);
311 }
312
313 static inline void slave_write(struct cpsw_slave *slave, u32 val, u32 offset)
314 {
315 writel_relaxed(val, slave->regs + offset);
316 }
317
318 struct cpsw_vector {
319 struct cpdma_chan *ch;
320 int budget;
321 };
322
323 struct cpsw_common {
324 struct device *dev;
325 struct cpsw_platform_data data;
326 struct napi_struct napi_rx;
327 struct napi_struct napi_tx;
328 struct cpsw_ss_regs __iomem *regs;
329 struct cpsw_wr_regs __iomem *wr_regs;
330 u8 __iomem *hw_stats;
331 struct cpsw_host_regs __iomem *host_port_regs;
332 u32 version;
333 u32 coal_intvl;
334 u32 bus_freq_mhz;
335 int rx_packet_max;
336 int descs_pool_size;
337 struct cpsw_slave *slaves;
338 struct cpdma_ctlr *dma;
339 struct cpsw_vector txv[CPSW_MAX_QUEUES];
340 struct cpsw_vector rxv[CPSW_MAX_QUEUES];
341 struct cpsw_ale *ale;
342 bool quirk_irq;
343 bool rx_irq_disabled;
344 bool tx_irq_disabled;
345 u32 irqs_table[IRQ_NUM];
346 struct cpts *cpts;
347 int rx_ch_num, tx_ch_num;
348 int speed;
349 int usage_count;
350 struct page_pool *page_pool[CPSW_MAX_QUEUES];
351 };
352
353 struct cpsw_priv {
354 struct net_device *ndev;
355 struct device *dev;
356 u32 msg_enable;
357 u8 mac_addr[ETH_ALEN];
358 bool rx_pause;
359 bool tx_pause;
360 bool mqprio_hw;
361 int fifo_bw[CPSW_TC_NUM];
362 int shp_cfg_speed;
363 int tx_ts_enabled;
364 int rx_ts_enabled;
365 struct bpf_prog *xdp_prog;
366 struct xdp_rxq_info xdp_rxq[CPSW_MAX_QUEUES];
367 struct xdp_attachment_info xdpi;
368
369 u32 emac_port;
370 struct cpsw_common *cpsw;
371 };
372
373 #define ndev_to_cpsw(ndev) (((struct cpsw_priv *)netdev_priv(ndev))->cpsw)
374 #define napi_to_cpsw(napi) container_of(napi, struct cpsw_common, napi)
375
376 #define cpsw_slave_index(cpsw, priv) \
377 ((cpsw->data.dual_emac) ? priv->emac_port : \
378 cpsw->data.active_slave)
379
380 static inline int cpsw_get_slave_port(u32 slave_num)
381 {
382 return slave_num + 1;
383 }
384
385 struct addr_sync_ctx {
386 struct net_device *ndev;
387 const u8 *addr;
388 int consumed;
389 int flush;
390 };
391
392 int cpsw_init_common(struct cpsw_common *cpsw, void __iomem *ss_regs,
393 int ale_ageout, phys_addr_t desc_mem_phys,
394 int descs_pool_size);
395 void cpsw_split_res(struct cpsw_common *cpsw);
396 int cpsw_fill_rx_channels(struct cpsw_priv *priv);
397 void cpsw_intr_enable(struct cpsw_common *cpsw);
398 void cpsw_intr_disable(struct cpsw_common *cpsw);
399 void cpsw_tx_handler(void *token, int len, int status);
400 int cpsw_create_xdp_rxqs(struct cpsw_common *cpsw);
401 void cpsw_destroy_xdp_rxqs(struct cpsw_common *cpsw);
402
403
404 u32 cpsw_get_msglevel(struct net_device *ndev);
405 void cpsw_set_msglevel(struct net_device *ndev, u32 value);
406 int cpsw_get_coalesce(struct net_device *ndev, struct ethtool_coalesce *coal);
407 int cpsw_set_coalesce(struct net_device *ndev, struct ethtool_coalesce *coal);
408 int cpsw_get_sset_count(struct net_device *ndev, int sset);
409 void cpsw_get_strings(struct net_device *ndev, u32 stringset, u8 *data);
410 void cpsw_get_ethtool_stats(struct net_device *ndev,
411 struct ethtool_stats *stats, u64 *data);
412 void cpsw_get_pauseparam(struct net_device *ndev,
413 struct ethtool_pauseparam *pause);
414 void cpsw_get_wol(struct net_device *ndev, struct ethtool_wolinfo *wol);
415 int cpsw_set_wol(struct net_device *ndev, struct ethtool_wolinfo *wol);
416 int cpsw_get_regs_len(struct net_device *ndev);
417 void cpsw_get_regs(struct net_device *ndev, struct ethtool_regs *regs, void *p);
418 int cpsw_ethtool_op_begin(struct net_device *ndev);
419 void cpsw_ethtool_op_complete(struct net_device *ndev);
420 void cpsw_get_channels(struct net_device *ndev, struct ethtool_channels *ch);
421 int cpsw_get_link_ksettings(struct net_device *ndev,
422 struct ethtool_link_ksettings *ecmd);
423 int cpsw_set_link_ksettings(struct net_device *ndev,
424 const struct ethtool_link_ksettings *ecmd);
425 int cpsw_get_eee(struct net_device *ndev, struct ethtool_eee *edata);
426 int cpsw_set_eee(struct net_device *ndev, struct ethtool_eee *edata);
427 int cpsw_nway_reset(struct net_device *ndev);
428 void cpsw_get_ringparam(struct net_device *ndev,
429 struct ethtool_ringparam *ering);
430 int cpsw_set_ringparam(struct net_device *ndev,
431 struct ethtool_ringparam *ering);
432 int cpsw_set_channels_common(struct net_device *ndev,
433 struct ethtool_channels *chs,
434 cpdma_handler_fn rx_handler);
435 int cpsw_get_ts_info(struct net_device *ndev, struct ethtool_ts_info *info);
436
437 #endif