1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2001-2021 Intel Corporation
25 enum ice_ptp_link_spd {
29 ICE_PTP_LNK_SPD_25G_RS,
32 ICE_PTP_LNK_SPD_50G_RS,
33 ICE_PTP_LNK_SPD_100G_RS,
34 NUM_ICE_PTP_LNK_SPD /* Must be last */
37 enum ice_ptp_fec_mode {
38 ICE_PTP_FEC_MODE_NONE,
39 ICE_PTP_FEC_MODE_CLAUSE74,
40 ICE_PTP_FEC_MODE_RS_FEC
44 * struct ice_time_ref_info_e822
45 * @pll_freq: Frequency of PLL that drives timer ticks in Hz
46 * @nominal_incval: increment to generate nanoseconds in GLTSYN_TIME_L
47 * @pps_delay: propagation delay of the PPS output signal
49 * Characteristic information for the various TIME_REF sources possible in the
52 struct ice_time_ref_info_e822 {
59 * struct ice_cgu_pll_params_e822
60 * @refclk_pre_div: Reference clock pre-divisor
61 * @feedback_div: Feedback divisor
62 * @frac_n_div: Fractional divisor
63 * @post_pll_div: Post PLL divisor
65 * Clock Generation Unit parameters used to program the PLL based on the
66 * selected TIME_REF frequency.
68 struct ice_cgu_pll_params_e822 {
76 ice_cgu_pll_params_e822 e822_cgu_params[NUM_ICE_TIME_REF_FREQ];
78 /* Table of constants related to possible TIME_REF sources */
79 extern const struct ice_time_ref_info_e822 e822_time_ref[NUM_ICE_TIME_REF_FREQ];
81 /* Increment value to generate nanoseconds in the GLTSYN_TIME_L register for
82 * the E810 devices. Based off of a PLL with an 812.5 MHz frequency.
84 #define ICE_PTP_NOMINAL_INCVAL_E810 0x13b13b13bULL
86 /* Device agnostic functions */
87 u8 ice_get_ptp_src_clock_index(struct ice_hw *hw);
88 u64 ice_ptp_read_src_incval(struct ice_hw *hw);
89 bool ice_ptp_lock(struct ice_hw *hw);
90 void ice_ptp_unlock(struct ice_hw *hw);
91 void ice_ptp_src_cmd(struct ice_hw *hw, enum ice_ptp_tmr_cmd cmd);
92 enum ice_status ice_ptp_init_time(struct ice_hw *hw, u64 time);
93 enum ice_status ice_ptp_write_incval(struct ice_hw *hw, u64 incval);
94 enum ice_status ice_ptp_write_incval_locked(struct ice_hw *hw, u64 incval);
95 enum ice_status ice_ptp_adj_clock(struct ice_hw *hw, s32 adj, bool lock_sbq);
97 ice_ptp_adj_clock_at_time(struct ice_hw *hw, u64 at_time, s32 adj);
99 ice_read_phy_tstamp(struct ice_hw *hw, u8 block, u8 idx, u64 *tstamp);
101 ice_clear_phy_tstamp(struct ice_hw *hw, u8 block, u8 idx);
102 enum ice_status ice_ptp_init_phc(struct ice_hw *hw);
104 /* E822 family functions */
106 ice_read_phy_reg_e822(struct ice_hw *hw, u8 port, u16 offset, u32 *val);
108 ice_write_phy_reg_e822(struct ice_hw *hw, u8 port, u16 offset, u32 val);
110 ice_read_quad_reg_e822(struct ice_hw *hw, u8 quad, u16 offset, u32 *val);
112 ice_write_quad_reg_e822(struct ice_hw *hw, u8 quad, u16 offset, u32 val);
114 ice_ptp_prep_port_adj_e822(struct ice_hw *hw, u8 port, s64 time,
117 ice_ptp_read_phy_incval_e822(struct ice_hw *hw, u8 port, u64 *incval);
119 ice_ptp_read_port_capture(struct ice_hw *hw, u8 port, u64 *tx_ts, u64 *rx_ts);
121 ice_ptp_one_port_cmd(struct ice_hw *hw, u8 port, enum ice_ptp_tmr_cmd cmd,
124 ice_cfg_cgu_pll_e822(struct ice_hw *hw, enum ice_time_ref_freq clk_freq,
125 enum ice_clk_src clk_src);
128 * ice_e822_time_ref - Get the current TIME_REF from capabilities
129 * @hw: pointer to the HW structure
131 * Returns the current TIME_REF from the capabilities structure.
133 static inline enum ice_time_ref_freq ice_e822_time_ref(struct ice_hw *hw)
135 return hw->func_caps.ts_func_info.time_ref;
139 * ice_set_e822_time_ref - Set new TIME_REF
140 * @hw: pointer to the HW structure
141 * @time_ref: new TIME_REF to set
143 * Update the TIME_REF in the capabilities structure in response to some
144 * change, such as an update to the CGU registers.
147 ice_set_e822_time_ref(struct ice_hw *hw, enum ice_time_ref_freq time_ref)
149 hw->func_caps.ts_func_info.time_ref = time_ref;
152 static inline u64 ice_e822_pll_freq(enum ice_time_ref_freq time_ref)
154 return e822_time_ref[time_ref].pll_freq;
157 static inline u64 ice_e822_nominal_incval(enum ice_time_ref_freq time_ref)
159 return e822_time_ref[time_ref].nominal_incval;
162 static inline u64 ice_e822_pps_delay(enum ice_time_ref_freq time_ref)
164 return e822_time_ref[time_ref].pps_delay;
167 /* E822 Vernier calibration functions */
168 enum ice_status ice_ptp_set_vernier_wl(struct ice_hw *hw);
170 ice_phy_get_speed_and_fec_e822(struct ice_hw *hw, u8 port,
171 enum ice_ptp_link_spd *link_out,
172 enum ice_ptp_fec_mode *fec_out);
173 void ice_phy_cfg_lane_e822(struct ice_hw *hw, u8 port);
175 /* E810 family functions */
176 enum ice_status ice_ptp_init_phy_e810(struct ice_hw *hw);
178 #define PFTSYN_SEM_BYTES 4
180 #define ICE_PTP_CLOCK_INDEX_0 0x00
181 #define ICE_PTP_CLOCK_INDEX_1 0x01
183 /* PHY timer commands */
184 #define SEL_CPK_SRC 8
185 #define SEL_PHY_SRC 3
187 /* Time Sync command Definitions */
188 #define GLTSYN_CMD_INIT_TIME BIT(0)
189 #define GLTSYN_CMD_INIT_INCVAL BIT(1)
190 #define GLTSYN_CMD_INIT_TIME_INCVAL (BIT(0) | BIT(1))
191 #define GLTSYN_CMD_ADJ_TIME BIT(2)
192 #define GLTSYN_CMD_ADJ_INIT_TIME (BIT(2) | BIT(3))
193 #define GLTSYN_CMD_READ_TIME BIT(7)
195 /* PHY port Time Sync command definitions */
196 #define PHY_CMD_INIT_TIME BIT(0)
197 #define PHY_CMD_INIT_INCVAL BIT(1)
198 #define PHY_CMD_ADJ_TIME (BIT(0) | BIT(1))
199 #define PHY_CMD_ADJ_TIME_AT_TIME (BIT(0) | BIT(2))
200 #define PHY_CMD_READ_TIME (BIT(0) | BIT(1) | BIT(2))
202 #define TS_CMD_MASK_E810 0xFF
203 #define TS_CMD_MASK 0xF
204 #define SYNC_EXEC_CMD 0x3
206 /* Macros to derive port low and high addresses on both quads */
207 #define P_Q0_L(a, p) ((((a) + (0x2000 * (p)))) & 0xFFFF)
208 #define P_Q0_H(a, p) ((((a) + (0x2000 * (p)))) >> 16)
209 #define P_Q1_L(a, p) ((((a) - (0x2000 * ((p) - ICE_PORTS_PER_QUAD)))) & 0xFFFF)
210 #define P_Q1_H(a, p) ((((a) - (0x2000 * ((p) - ICE_PORTS_PER_QUAD)))) >> 16)
212 /* PHY QUAD register base addresses */
213 #define Q_0_BASE 0x94000
214 #define Q_1_BASE 0x114000
216 /* Timestamp memory reset registers */
217 #define Q_REG_TS_CTRL 0x618
218 #define Q_REG_TS_CTRL_S 0
219 #define Q_REG_TS_CTRL_M BIT(0)
221 /* Timestamp availability status registers */
222 #define Q_REG_TX_MEMORY_STATUS_L 0xCF0
223 #define Q_REG_TX_MEMORY_STATUS_U 0xCF4
225 /* Tx FIFO status registers */
226 #define Q_REG_FIFO23_STATUS 0xCF8
227 #define Q_REG_FIFO01_STATUS 0xCFC
228 #define Q_REG_FIFO02_S 0
229 #define Q_REG_FIFO02_M MAKEMASK(0x3FF, 0)
230 #define Q_REG_FIFO13_S 10
231 #define Q_REG_FIFO13_M MAKEMASK(0x3FF, 10)
233 /* Interrupt control Config registers */
234 #define Q_REG_TX_MEM_GBL_CFG 0xC08
235 #define Q_REG_TX_MEM_GBL_CFG_LANE_TYPE_S 0
236 #define Q_REG_TX_MEM_GBL_CFG_LANE_TYPE_M BIT(0)
237 #define Q_REG_TX_MEM_GBL_CFG_TX_TYPE_S 1
238 #define Q_REG_TX_MEM_GBL_CFG_TX_TYPE_M MAKEMASK(0xFF, 1)
239 #define Q_REG_TX_MEM_GBL_CFG_INTR_THR_S 9
240 #define Q_REG_TX_MEM_GBL_CFG_INTR_THR_M MAKEMASK(0x3F, 9)
241 #define Q_REG_TX_MEM_GBL_CFG_INTR_ENA_S 15
242 #define Q_REG_TX_MEM_GBL_CFG_INTR_ENA_M BIT(15)
244 /* Tx Timestamp data registers */
245 #define Q_REG_TX_MEMORY_BANK_START 0xA00
247 /* PHY port register base addresses */
248 #define P_0_BASE 0x80000
249 #define P_4_BASE 0x106000
251 /* Timestamp init registers */
252 #define P_REG_RX_TIMER_INC_PRE_L 0x46C
253 #define P_REG_RX_TIMER_INC_PRE_U 0x470
254 #define P_REG_TX_TIMER_INC_PRE_L 0x44C
255 #define P_REG_TX_TIMER_INC_PRE_U 0x450
257 /* Timestamp match and adjust target registers */
258 #define P_REG_RX_TIMER_CNT_ADJ_L 0x474
259 #define P_REG_RX_TIMER_CNT_ADJ_U 0x478
260 #define P_REG_TX_TIMER_CNT_ADJ_L 0x454
261 #define P_REG_TX_TIMER_CNT_ADJ_U 0x458
263 /* Timestamp capture registers */
264 #define P_REG_RX_CAPTURE_L 0x4D8
265 #define P_REG_RX_CAPTURE_U 0x4DC
266 #define P_REG_TX_CAPTURE_L 0x4B4
267 #define P_REG_TX_CAPTURE_U 0x4B8
269 /* Timestamp PHY incval registers */
270 #define P_REG_TIMETUS_L 0x410
271 #define P_REG_TIMETUS_U 0x414
273 #define P_REG_40B_LOW_M 0xFF
274 #define P_REG_40B_HIGH_S 8
276 /* PHY window length registers */
277 #define P_REG_WL 0x40C
279 #define PTP_VERNIER_WL 0x111ed
281 /* PHY start registers */
282 #define P_REG_PS 0x408
283 #define P_REG_PS_START_S 0
284 #define P_REG_PS_START_M BIT(0)
285 #define P_REG_PS_BYPASS_MODE_S 1
286 #define P_REG_PS_BYPASS_MODE_M BIT(1)
287 #define P_REG_PS_ENA_CLK_S 2
288 #define P_REG_PS_ENA_CLK_M BIT(2)
289 #define P_REG_PS_LOAD_OFFSET_S 3
290 #define P_REG_PS_LOAD_OFFSET_M BIT(3)
291 #define P_REG_PS_SFT_RESET_S 11
292 #define P_REG_PS_SFT_RESET_M BIT(11)
294 /* PHY offset valid registers */
295 #define P_REG_TX_OV_STATUS 0x4D4
296 #define P_REG_TX_OV_STATUS_OV_S 0
297 #define P_REG_TX_OV_STATUS_OV_M BIT(0)
298 #define P_REG_RX_OV_STATUS 0x4F8
299 #define P_REG_RX_OV_STATUS_OV_S 0
300 #define P_REG_RX_OV_STATUS_OV_M BIT(0)
302 /* PHY offset ready registers */
303 #define P_REG_TX_OR 0x45C
304 #define P_REG_RX_OR 0x47C
306 /* PHY total offset registers */
307 #define P_REG_TOTAL_RX_OFFSET_L 0x460
308 #define P_REG_TOTAL_RX_OFFSET_U 0x464
309 #define P_REG_TOTAL_TX_OFFSET_L 0x440
310 #define P_REG_TOTAL_TX_OFFSET_U 0x444
312 /* Timestamp PAR/PCS registers */
313 #define P_REG_UIX66_10G_40G_L 0x480
314 #define P_REG_UIX66_10G_40G_U 0x484
315 #define P_REG_UIX66_25G_100G_L 0x488
316 #define P_REG_UIX66_25G_100G_U 0x48C
317 #define P_REG_DESK_PAR_RX_TUS_L 0x490
318 #define P_REG_DESK_PAR_RX_TUS_U 0x494
319 #define P_REG_DESK_PAR_TX_TUS_L 0x498
320 #define P_REG_DESK_PAR_TX_TUS_U 0x49C
321 #define P_REG_DESK_PCS_RX_TUS_L 0x4A0
322 #define P_REG_DESK_PCS_RX_TUS_U 0x4A4
323 #define P_REG_DESK_PCS_TX_TUS_L 0x4A8
324 #define P_REG_DESK_PCS_TX_TUS_U 0x4AC
325 #define P_REG_PAR_RX_TUS_L 0x420
326 #define P_REG_PAR_RX_TUS_U 0x424
327 #define P_REG_PAR_TX_TUS_L 0x428
328 #define P_REG_PAR_TX_TUS_U 0x42C
329 #define P_REG_PCS_RX_TUS_L 0x430
330 #define P_REG_PCS_RX_TUS_U 0x434
331 #define P_REG_PCS_TX_TUS_L 0x438
332 #define P_REG_PCS_TX_TUS_U 0x43C
333 #define P_REG_PAR_RX_TIME_L 0x4F0
334 #define P_REG_PAR_RX_TIME_U 0x4F4
335 #define P_REG_PAR_TX_TIME_L 0x4CC
336 #define P_REG_PAR_TX_TIME_U 0x4D0
337 #define P_REG_PAR_PCS_RX_OFFSET_L 0x4E8
338 #define P_REG_PAR_PCS_RX_OFFSET_U 0x4EC
339 #define P_REG_PAR_PCS_TX_OFFSET_L 0x4C4
340 #define P_REG_PAR_PCS_TX_OFFSET_U 0x4C8
341 #define P_REG_LINK_SPEED 0x4FC
342 #define P_REG_LINK_SPEED_SERDES_S 0
343 #define P_REG_LINK_SPEED_SERDES_M MAKEMASK(0x7, 0)
344 #define P_REG_LINK_SPEED_FEC_MODE_S 3
345 #define P_REG_LINK_SPEED_FEC_MODE_M MAKEMASK(0x3, 3)
346 #define P_REG_LINK_SPEED_FEC_MODE(reg) \
347 (((reg) & P_REG_LINK_SPEED_FEC_MODE_M) >> \
348 P_REG_LINK_SPEED_FEC_MODE_S)
350 /* PHY timestamp related registers */
351 #define P_REG_PMD_ALIGNMENT 0x0FC
352 #define P_REG_RX_80_TO_160_CNT 0x6FC
353 #define P_REG_RX_80_TO_160_CNT_RXCYC_S 0
354 #define P_REG_RX_80_TO_160_CNT_RXCYC_M BIT(0)
355 #define P_REG_RX_40_TO_160_CNT 0x8FC
356 #define P_REG_RX_40_TO_160_CNT_RXCYC_S 0
357 #define P_REG_RX_40_TO_160_CNT_RXCYC_M MAKEMASK(0x3, 0)
359 /* Rx FIFO status registers */
360 #define P_REG_RX_OV_FS 0x4F8
361 #define P_REG_RX_OV_FS_FIFO_STATUS_S 2
362 #define P_REG_RX_OV_FS_FIFO_STATUS_M MAKEMASK(0x3FF, 2)
364 /* Timestamp command registers */
365 #define P_REG_TX_TMR_CMD 0x448
366 #define P_REG_RX_TMR_CMD 0x468
368 /* E810 timesync enable register */
369 #define ETH_GLTSYN_ENA(_i) (0x03000348 + ((_i) * 4))
371 /* E810 shadow init time registers */
372 #define ETH_GLTSYN_SHTIME_0(i) (0x03000368 + ((i) * 32))
373 #define ETH_GLTSYN_SHTIME_L(i) (0x0300036C + ((i) * 32))
375 /* E810 shadow time adjust registers */
376 #define ETH_GLTSYN_SHADJ_L(_i) (0x03000378 + ((_i) * 32))
377 #define ETH_GLTSYN_SHADJ_H(_i) (0x0300037C + ((_i) * 32))
379 /* E810 timer command register */
380 #define ETH_GLTSYN_CMD 0x03000344
382 /* Source timer incval macros */
383 #define INCVAL_HIGH_M 0xFF
385 /* Timestamp block macros */
386 #define TS_LOW_M 0xFFFFFFFF
387 #define TS_HIGH_M 0xFF
390 #define TS_PHY_LOW_M 0xFF
391 #define TS_PHY_HIGH_M 0xFFFFFFFF
392 #define TS_PHY_HIGH_S 8
394 #define BYTES_PER_IDX_ADDR_L_U 8
395 #define BYTES_PER_IDX_ADDR_L 4
397 /* Internal PHY timestamp address */
398 #define TS_L(a, idx) ((a) + ((idx) * BYTES_PER_IDX_ADDR_L_U))
399 #define TS_H(a, idx) ((a) + ((idx) * BYTES_PER_IDX_ADDR_L_U + \
400 BYTES_PER_IDX_ADDR_L))
402 /* External PHY timestamp address */
403 #define TS_EXT(a, port, idx) ((a) + (0x1000 * (port)) + \
404 ((idx) * BYTES_PER_IDX_ADDR_L_U))
406 #define LOW_TX_MEMORY_BANK_START 0x03090000
407 #define HIGH_TX_MEMORY_BANK_START 0x03090004
409 /* E810T PCA9575 IO controller registers */
410 #define ICE_PCA9575_P0_IN 0x0
411 #define ICE_PCA9575_P1_IN 0x1
412 #define ICE_PCA9575_P0_CFG 0x8
413 #define ICE_PCA9575_P1_CFG 0x9
414 #define ICE_PCA9575_P0_OUT 0xA
415 #define ICE_PCA9575_P1_OUT 0xB
417 /* E810T PCA9575 IO controller pin control */
418 #define ICE_E810T_P0_GNSS_PRSNT_N BIT(4)
419 #define ICE_E810T_P1_SMA1_DIR_EN BIT(4)
420 #define ICE_E810T_P1_SMA1_TX_EN BIT(5)
421 #define ICE_E810T_P1_SMA2_UFL2_RX_DIS BIT(3)
422 #define ICE_E810T_P1_SMA2_DIR_EN BIT(6)
423 #define ICE_E810T_P1_SMA2_TX_EN BIT(7)
425 #endif /* _ICE_PTP_HW_H_ */