1 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
2 /*
3  * Driver for Microsemi VSC85xx PHYs
4  *
5  * Author: Nagaraju Lakkaraju
6  * License: Dual MIT/GPL
7  * Copyright (c) 2016 Microsemi Corporation
8  */
9 
10 #include <linux/firmware.h>
11 #include <linux/jiffies.h>
12 #include <linux/kernel.h>
13 #include <linux/module.h>
14 #include <linux/mdio.h>
15 #include <linux/mii.h>
16 #include <linux/phy.h>
17 #include <linux/of.h>
18 #include <linux/netdevice.h>
19 #include <dt-bindings/net/mscc-phy-vsc8531.h>
20 
21 enum rgmii_rx_clock_delay {
22 	RGMII_RX_CLK_DELAY_0_2_NS = 0,
23 	RGMII_RX_CLK_DELAY_0_8_NS = 1,
24 	RGMII_RX_CLK_DELAY_1_1_NS = 2,
25 	RGMII_RX_CLK_DELAY_1_7_NS = 3,
26 	RGMII_RX_CLK_DELAY_2_0_NS = 4,
27 	RGMII_RX_CLK_DELAY_2_3_NS = 5,
28 	RGMII_RX_CLK_DELAY_2_6_NS = 6,
29 	RGMII_RX_CLK_DELAY_3_4_NS = 7
30 };
31 
32 /* Microsemi VSC85xx PHY registers */
33 /* IEEE 802. Std Registers */
34 #define MSCC_PHY_BYPASS_CONTROL		  18
35 #define DISABLE_HP_AUTO_MDIX_MASK	  0x0080
36 #define DISABLE_PAIR_SWAP_CORR_MASK	  0x0020
37 #define DISABLE_POLARITY_CORR_MASK	  0x0010
38 #define PARALLEL_DET_IGNORE_ADVERTISED    0x0008
39 
40 #define MSCC_PHY_EXT_CNTL_STATUS          22
41 #define SMI_BROADCAST_WR_EN		  0x0001
42 
43 #define MSCC_PHY_ERR_RX_CNT		  19
44 #define MSCC_PHY_ERR_FALSE_CARRIER_CNT	  20
45 #define MSCC_PHY_ERR_LINK_DISCONNECT_CNT  21
46 #define ERR_CNT_MASK			  GENMASK(7, 0)
47 
48 #define MSCC_PHY_EXT_PHY_CNTL_1           23
49 #define MAC_IF_SELECTION_MASK             0x1800
50 #define MAC_IF_SELECTION_GMII             0
51 #define MAC_IF_SELECTION_RMII             1
52 #define MAC_IF_SELECTION_RGMII            2
53 #define MAC_IF_SELECTION_POS              11
54 #define VSC8584_MAC_IF_SELECTION_MASK     0x1000
55 #define VSC8584_MAC_IF_SELECTION_SGMII    0
56 #define VSC8584_MAC_IF_SELECTION_1000BASEX 1
57 #define VSC8584_MAC_IF_SELECTION_POS      12
58 #define FAR_END_LOOPBACK_MODE_MASK        0x0008
59 #define MEDIA_OP_MODE_MASK		  0x0700
60 #define MEDIA_OP_MODE_COPPER		  0
61 #define MEDIA_OP_MODE_SERDES		  1
62 #define MEDIA_OP_MODE_1000BASEX		  2
63 #define MEDIA_OP_MODE_100BASEFX		  3
64 #define MEDIA_OP_MODE_AMS_COPPER_SERDES	  5
65 #define MEDIA_OP_MODE_AMS_COPPER_1000BASEX	6
66 #define MEDIA_OP_MODE_AMS_COPPER_100BASEFX	7
67 #define MEDIA_OP_MODE_POS		  8
68 
69 #define MSCC_PHY_EXT_PHY_CNTL_2		  24
70 
71 #define MII_VSC85XX_INT_MASK		  25
72 #define MII_VSC85XX_INT_MASK_MASK	  0xa000
73 #define MII_VSC85XX_INT_MASK_WOL	  0x0040
74 #define MII_VSC85XX_INT_STATUS		  26
75 
76 #define MSCC_PHY_WOL_MAC_CONTROL          27
77 #define EDGE_RATE_CNTL_POS                5
78 #define EDGE_RATE_CNTL_MASK               0x00E0
79 
80 #define MSCC_PHY_DEV_AUX_CNTL		  28
81 #define HP_AUTO_MDIX_X_OVER_IND_MASK	  0x2000
82 
83 #define MSCC_PHY_LED_MODE_SEL		  29
84 #define LED_MODE_SEL_POS(x)		  ((x) * 4)
85 #define LED_MODE_SEL_MASK(x)		  (GENMASK(3, 0) << LED_MODE_SEL_POS(x))
86 #define LED_MODE_SEL(x, mode)		  (((mode) << LED_MODE_SEL_POS(x)) & LED_MODE_SEL_MASK(x))
87 
88 #define MSCC_EXT_PAGE_CSR_CNTL_17	  17
89 #define MSCC_EXT_PAGE_CSR_CNTL_18	  18
90 
91 #define MSCC_EXT_PAGE_CSR_CNTL_19	  19
92 #define MSCC_PHY_CSR_CNTL_19_REG_ADDR(x)  (x)
93 #define MSCC_PHY_CSR_CNTL_19_TARGET(x)	  ((x) << 12)
94 #define MSCC_PHY_CSR_CNTL_19_READ	  BIT(14)
95 #define MSCC_PHY_CSR_CNTL_19_CMD	  BIT(15)
96 
97 #define MSCC_EXT_PAGE_CSR_CNTL_20	  20
98 #define MSCC_PHY_CSR_CNTL_20_TARGET(x)	  (x)
99 
100 #define PHY_MCB_TARGET			  0x07
101 #define PHY_MCB_S6G_WRITE		  BIT(31)
102 #define PHY_MCB_S6G_READ		  BIT(30)
103 
104 #define PHY_S6G_PLL5G_CFG0		  0x06
105 #define PHY_S6G_LCPLL_CFG		  0x11
106 #define PHY_S6G_PLL_CFG			  0x2b
107 #define PHY_S6G_COMMON_CFG		  0x2c
108 #define PHY_S6G_GPC_CFG			  0x2e
109 #define PHY_S6G_MISC_CFG		  0x3b
110 #define PHY_MCB_S6G_CFG			  0x3f
111 #define PHY_S6G_DFT_CFG2		  0x3e
112 #define PHY_S6G_PLL_STATUS		  0x31
113 #define PHY_S6G_IB_STATUS0		  0x2f
114 
115 #define PHY_S6G_SYS_RST_POS		  31
116 #define PHY_S6G_ENA_LANE_POS		  18
117 #define PHY_S6G_ENA_LOOP_POS		  8
118 #define PHY_S6G_QRATE_POS		  6
119 #define PHY_S6G_IF_MODE_POS		  4
120 #define PHY_S6G_PLL_ENA_OFFS_POS	  21
121 #define PHY_S6G_PLL_FSM_CTRL_DATA_POS	  8
122 #define PHY_S6G_PLL_FSM_ENA_POS		  7
123 
124 #define MSCC_EXT_PAGE_ACCESS		  31
125 #define MSCC_PHY_PAGE_STANDARD		  0x0000 /* Standard registers */
126 #define MSCC_PHY_PAGE_EXTENDED		  0x0001 /* Extended registers */
127 #define MSCC_PHY_PAGE_EXTENDED_2	  0x0002 /* Extended reg - page 2 */
128 #define MSCC_PHY_PAGE_EXTENDED_3	  0x0003 /* Extended reg - page 3 */
129 #define MSCC_PHY_PAGE_EXTENDED_4	  0x0004 /* Extended reg - page 4 */
130 #define MSCC_PHY_PAGE_CSR_CNTL		  MSCC_PHY_PAGE_EXTENDED_4
131 /* Extended reg - GPIO; this is a bank of registers that are shared for all PHYs
132  * in the same package.
133  */
134 #define MSCC_PHY_PAGE_EXTENDED_GPIO	  0x0010 /* Extended reg - GPIO */
135 #define MSCC_PHY_PAGE_TEST		  0x2a30 /* Test reg */
136 #define MSCC_PHY_PAGE_TR		  0x52b5 /* Token ring registers */
137 
138 /* Extended Page 1 Registers */
139 #define MSCC_PHY_CU_MEDIA_CRC_VALID_CNT	  18
140 #define VALID_CRC_CNT_CRC_MASK		  GENMASK(13, 0)
141 
142 #define MSCC_PHY_EXT_MODE_CNTL		  19
143 #define FORCE_MDI_CROSSOVER_MASK	  0x000C
144 #define FORCE_MDI_CROSSOVER_MDIX	  0x000C
145 #define FORCE_MDI_CROSSOVER_MDI		  0x0008
146 
147 #define MSCC_PHY_ACTIPHY_CNTL		  20
148 #define PHY_ADDR_REVERSED		  0x0200
149 #define DOWNSHIFT_CNTL_MASK		  0x001C
150 #define DOWNSHIFT_EN			  0x0010
151 #define DOWNSHIFT_CNTL_POS		  2
152 
153 #define MSCC_PHY_EXT_PHY_CNTL_4		  23
154 #define PHY_CNTL_4_ADDR_POS		  11
155 
156 #define MSCC_PHY_VERIPHY_CNTL_2		  25
157 
158 #define MSCC_PHY_VERIPHY_CNTL_3		  26
159 
160 /* Extended Page 2 Registers */
161 #define MSCC_PHY_CU_PMD_TX_CNTL		  16
162 
163 #define MSCC_PHY_RGMII_CNTL		  20
164 #define RGMII_RX_CLK_DELAY_MASK		  0x0070
165 #define RGMII_RX_CLK_DELAY_POS		  4
166 
167 #define MSCC_PHY_WOL_LOWER_MAC_ADDR	  21
168 #define MSCC_PHY_WOL_MID_MAC_ADDR	  22
169 #define MSCC_PHY_WOL_UPPER_MAC_ADDR	  23
170 #define MSCC_PHY_WOL_LOWER_PASSWD	  24
171 #define MSCC_PHY_WOL_MID_PASSWD		  25
172 #define MSCC_PHY_WOL_UPPER_PASSWD	  26
173 
174 #define MSCC_PHY_WOL_MAC_CONTROL	  27
175 #define SECURE_ON_ENABLE		  0x8000
176 #define SECURE_ON_PASSWD_LEN_4		  0x4000
177 
178 /* Extended Page 3 Registers */
179 #define MSCC_PHY_SERDES_TX_VALID_CNT	  21
180 #define MSCC_PHY_SERDES_TX_CRC_ERR_CNT	  22
181 #define MSCC_PHY_SERDES_RX_VALID_CNT	  28
182 #define MSCC_PHY_SERDES_RX_CRC_ERR_CNT	  29
183 
184 /* Extended page GPIO Registers */
185 #define MSCC_DW8051_CNTL_STATUS		  0
186 #define MICRO_NSOFT_RESET		  0x8000
187 #define RUN_FROM_INT_ROM		  0x4000
188 #define AUTOINC_ADDR			  0x2000
189 #define PATCH_RAM_CLK			  0x1000
190 #define MICRO_PATCH_EN			  0x0080
191 #define DW8051_CLK_EN			  0x0010
192 #define MICRO_CLK_EN			  0x0008
193 #define MICRO_CLK_DIVIDE(x)		  ((x) >> 1)
194 #define MSCC_DW8051_VLD_MASK		  0xf1ff
195 
196 /* x Address in range 1-4 */
197 #define MSCC_TRAP_ROM_ADDR(x)		  ((x) * 2 + 1)
198 #define MSCC_PATCH_RAM_ADDR(x)		  (((x) + 1) * 2)
199 #define MSCC_INT_MEM_ADDR		  11
200 
201 #define MSCC_INT_MEM_CNTL		  12
202 #define READ_SFR			  0x6000
203 #define READ_PRAM			  0x4000
204 #define READ_ROM			  0x2000
205 #define READ_RAM			  0x0000
206 #define INT_MEM_WRITE_EN		  0x1000
207 #define EN_PATCH_RAM_TRAP_ADDR(x)	  (0x0100 << ((x) - 1))
208 #define INT_MEM_DATA_M			  0x00ff
209 #define INT_MEM_DATA(x)			  (INT_MEM_DATA_M & (x))
210 
211 #define MSCC_PHY_PROC_CMD		  18
212 #define PROC_CMD_NCOMPLETED		  0x8000
213 #define PROC_CMD_FAILED			  0x4000
214 #define PROC_CMD_SGMII_PORT(x)		  ((x) << 8)
215 #define PROC_CMD_FIBER_PORT(x)		  (0x0100 << (x) % 4)
216 #define PROC_CMD_QSGMII_PORT		  0x0c00
217 #define PROC_CMD_RST_CONF_PORT		  0x0080
218 #define PROC_CMD_RECONF_PORT		  0x0000
219 #define PROC_CMD_READ_MOD_WRITE_PORT	  0x0040
220 #define PROC_CMD_WRITE			  0x0040
221 #define PROC_CMD_READ			  0x0000
222 #define PROC_CMD_FIBER_DISABLE		  0x0020
223 #define PROC_CMD_FIBER_100BASE_FX	  0x0010
224 #define PROC_CMD_FIBER_1000BASE_X	  0x0000
225 #define PROC_CMD_SGMII_MAC		  0x0030
226 #define PROC_CMD_QSGMII_MAC		  0x0020
227 #define PROC_CMD_NO_MAC_CONF		  0x0000
228 #define PROC_CMD_1588_DEFAULT_INIT	  0x0010
229 #define PROC_CMD_NOP			  0x000f
230 #define PROC_CMD_PHY_INIT		  0x000a
231 #define PROC_CMD_CRC16			  0x0008
232 #define PROC_CMD_FIBER_MEDIA_CONF	  0x0001
233 #define PROC_CMD_MCB_ACCESS_MAC_CONF	  0x0000
234 #define PROC_CMD_NCOMPLETED_TIMEOUT_MS    500
235 
236 #define MSCC_PHY_MAC_CFG_FASTLINK	  19
237 #define MAC_CFG_MASK			  0xc000
238 #define MAC_CFG_SGMII			  0x0000
239 #define MAC_CFG_QSGMII			  0x4000
240 
241 /* Test page Registers */
242 #define MSCC_PHY_TEST_PAGE_5		  5
243 #define MSCC_PHY_TEST_PAGE_8		  8
244 #define MSCC_PHY_TEST_PAGE_9		  9
245 #define MSCC_PHY_TEST_PAGE_20		  20
246 #define MSCC_PHY_TEST_PAGE_24		  24
247 
248 /* Token ring page Registers */
249 #define MSCC_PHY_TR_CNTL		  16
250 #define TR_WRITE			  0x8000
251 #define TR_ADDR(x)			  (0x7fff & (x))
252 #define MSCC_PHY_TR_LSB			  17
253 #define MSCC_PHY_TR_MSB			  18
254 
255 /* Microsemi PHY ID's */
256 #define PHY_ID_VSC8514			  0x00070670
257 #define PHY_ID_VSC8530			  0x00070560
258 #define PHY_ID_VSC8531			  0x00070570
259 #define PHY_ID_VSC8540			  0x00070760
260 #define PHY_ID_VSC8541			  0x00070770
261 #define PHY_ID_VSC8574			  0x000704a0
262 #define PHY_ID_VSC8584			  0x000707c0
263 
264 #define MSCC_VDDMAC_1500		  1500
265 #define MSCC_VDDMAC_1800		  1800
266 #define MSCC_VDDMAC_2500		  2500
267 #define MSCC_VDDMAC_3300		  3300
268 
269 #define DOWNSHIFT_COUNT_MAX		  5
270 
271 #define MAX_LEDS			  4
272 
273 #define VSC8584_SUPP_LED_MODES (BIT(VSC8531_LINK_ACTIVITY) | \
274 				BIT(VSC8531_LINK_1000_ACTIVITY) | \
275 				BIT(VSC8531_LINK_100_ACTIVITY) | \
276 				BIT(VSC8531_LINK_10_ACTIVITY) | \
277 				BIT(VSC8531_LINK_100_1000_ACTIVITY) | \
278 				BIT(VSC8531_LINK_10_1000_ACTIVITY) | \
279 				BIT(VSC8531_LINK_10_100_ACTIVITY) | \
280 				BIT(VSC8584_LINK_100FX_1000X_ACTIVITY) | \
281 				BIT(VSC8531_DUPLEX_COLLISION) | \
282 				BIT(VSC8531_COLLISION) | \
283 				BIT(VSC8531_ACTIVITY) | \
284 				BIT(VSC8584_100FX_1000X_ACTIVITY) | \
285 				BIT(VSC8531_AUTONEG_FAULT) | \
286 				BIT(VSC8531_SERIAL_MODE) | \
287 				BIT(VSC8531_FORCE_LED_OFF) | \
288 				BIT(VSC8531_FORCE_LED_ON))
289 
290 #define VSC85XX_SUPP_LED_MODES (BIT(VSC8531_LINK_ACTIVITY) | \
291 				BIT(VSC8531_LINK_1000_ACTIVITY) | \
292 				BIT(VSC8531_LINK_100_ACTIVITY) | \
293 				BIT(VSC8531_LINK_10_ACTIVITY) | \
294 				BIT(VSC8531_LINK_100_1000_ACTIVITY) | \
295 				BIT(VSC8531_LINK_10_1000_ACTIVITY) | \
296 				BIT(VSC8531_LINK_10_100_ACTIVITY) | \
297 				BIT(VSC8531_DUPLEX_COLLISION) | \
298 				BIT(VSC8531_COLLISION) | \
299 				BIT(VSC8531_ACTIVITY) | \
300 				BIT(VSC8531_AUTONEG_FAULT) | \
301 				BIT(VSC8531_SERIAL_MODE) | \
302 				BIT(VSC8531_FORCE_LED_OFF) | \
303 				BIT(VSC8531_FORCE_LED_ON))
304 
305 #define MSCC_VSC8584_REVB_INT8051_FW		"mscc_vsc8584_revb_int8051_fb48.bin"
306 #define MSCC_VSC8584_REVB_INT8051_FW_START_ADDR	0xe800
307 #define MSCC_VSC8584_REVB_INT8051_FW_CRC	0xfb48
308 
309 #define MSCC_VSC8574_REVB_INT8051_FW		"mscc_vsc8574_revb_int8051_29e8.bin"
310 #define MSCC_VSC8574_REVB_INT8051_FW_START_ADDR	0x4000
311 #define MSCC_VSC8574_REVB_INT8051_FW_CRC	0x29e8
312 
313 #define VSC8584_REVB				0x0001
314 #define MSCC_DEV_REV_MASK			GENMASK(3, 0)
315 
316 struct reg_val {
317 	u16	reg;
318 	u32	val;
319 };
320 
321 struct vsc85xx_hw_stat {
322 	const char *string;
323 	u8 reg;
324 	u16 page;
325 	u16 mask;
326 };
327 
328 static const struct vsc85xx_hw_stat vsc85xx_hw_stats[] = {
329 	{
330 		.string	= "phy_receive_errors",
331 		.reg	= MSCC_PHY_ERR_RX_CNT,
332 		.page	= MSCC_PHY_PAGE_STANDARD,
333 		.mask	= ERR_CNT_MASK,
334 	}, {
335 		.string	= "phy_false_carrier",
336 		.reg	= MSCC_PHY_ERR_FALSE_CARRIER_CNT,
337 		.page	= MSCC_PHY_PAGE_STANDARD,
338 		.mask	= ERR_CNT_MASK,
339 	}, {
340 		.string	= "phy_cu_media_link_disconnect",
341 		.reg	= MSCC_PHY_ERR_LINK_DISCONNECT_CNT,
342 		.page	= MSCC_PHY_PAGE_STANDARD,
343 		.mask	= ERR_CNT_MASK,
344 	}, {
345 		.string	= "phy_cu_media_crc_good_count",
346 		.reg	= MSCC_PHY_CU_MEDIA_CRC_VALID_CNT,
347 		.page	= MSCC_PHY_PAGE_EXTENDED,
348 		.mask	= VALID_CRC_CNT_CRC_MASK,
349 	}, {
350 		.string	= "phy_cu_media_crc_error_count",
351 		.reg	= MSCC_PHY_EXT_PHY_CNTL_4,
352 		.page	= MSCC_PHY_PAGE_EXTENDED,
353 		.mask	= ERR_CNT_MASK,
354 	},
355 };
356 
357 static const struct vsc85xx_hw_stat vsc8584_hw_stats[] = {
358 	{
359 		.string	= "phy_receive_errors",
360 		.reg	= MSCC_PHY_ERR_RX_CNT,
361 		.page	= MSCC_PHY_PAGE_STANDARD,
362 		.mask	= ERR_CNT_MASK,
363 	}, {
364 		.string	= "phy_false_carrier",
365 		.reg	= MSCC_PHY_ERR_FALSE_CARRIER_CNT,
366 		.page	= MSCC_PHY_PAGE_STANDARD,
367 		.mask	= ERR_CNT_MASK,
368 	}, {
369 		.string	= "phy_cu_media_link_disconnect",
370 		.reg	= MSCC_PHY_ERR_LINK_DISCONNECT_CNT,
371 		.page	= MSCC_PHY_PAGE_STANDARD,
372 		.mask	= ERR_CNT_MASK,
373 	}, {
374 		.string	= "phy_cu_media_crc_good_count",
375 		.reg	= MSCC_PHY_CU_MEDIA_CRC_VALID_CNT,
376 		.page	= MSCC_PHY_PAGE_EXTENDED,
377 		.mask	= VALID_CRC_CNT_CRC_MASK,
378 	}, {
379 		.string	= "phy_cu_media_crc_error_count",
380 		.reg	= MSCC_PHY_EXT_PHY_CNTL_4,
381 		.page	= MSCC_PHY_PAGE_EXTENDED,
382 		.mask	= ERR_CNT_MASK,
383 	}, {
384 		.string	= "phy_serdes_tx_good_pkt_count",
385 		.reg	= MSCC_PHY_SERDES_TX_VALID_CNT,
386 		.page	= MSCC_PHY_PAGE_EXTENDED_3,
387 		.mask	= VALID_CRC_CNT_CRC_MASK,
388 	}, {
389 		.string	= "phy_serdes_tx_bad_crc_count",
390 		.reg	= MSCC_PHY_SERDES_TX_CRC_ERR_CNT,
391 		.page	= MSCC_PHY_PAGE_EXTENDED_3,
392 		.mask	= ERR_CNT_MASK,
393 	}, {
394 		.string	= "phy_serdes_rx_good_pkt_count",
395 		.reg	= MSCC_PHY_SERDES_RX_VALID_CNT,
396 		.page	= MSCC_PHY_PAGE_EXTENDED_3,
397 		.mask	= VALID_CRC_CNT_CRC_MASK,
398 	}, {
399 		.string	= "phy_serdes_rx_bad_crc_count",
400 		.reg	= MSCC_PHY_SERDES_RX_CRC_ERR_CNT,
401 		.page	= MSCC_PHY_PAGE_EXTENDED_3,
402 		.mask	= ERR_CNT_MASK,
403 	},
404 };
405 
406 struct vsc8531_private {
407 	int rate_magic;
408 	u16 supp_led_modes;
409 	u32 leds_mode[MAX_LEDS];
410 	u8 nleds;
411 	const struct vsc85xx_hw_stat *hw_stats;
412 	u64 *stats;
413 	int nstats;
414 	bool pkg_init;
415 	/* For multiple port PHYs; the MDIO address of the base PHY in the
416 	 * package.
417 	 */
418 	unsigned int base_addr;
419 };
420 
421 #ifdef CONFIG_OF_MDIO
422 struct vsc8531_edge_rate_table {
423 	u32 vddmac;
424 	u32 slowdown[8];
425 };
426 
427 static const struct vsc8531_edge_rate_table edge_table[] = {
428 	{MSCC_VDDMAC_3300, { 0, 2,  4,  7, 10, 17, 29, 53} },
429 	{MSCC_VDDMAC_2500, { 0, 3,  6, 10, 14, 23, 37, 63} },
430 	{MSCC_VDDMAC_1800, { 0, 5,  9, 16, 23, 35, 52, 76} },
431 	{MSCC_VDDMAC_1500, { 0, 6, 14, 21, 29, 42, 58, 77} },
432 };
433 #endif /* CONFIG_OF_MDIO */
434 
vsc85xx_phy_read_page(struct phy_device * phydev)435 static int vsc85xx_phy_read_page(struct phy_device *phydev)
436 {
437 	return __phy_read(phydev, MSCC_EXT_PAGE_ACCESS);
438 }
439 
vsc85xx_phy_write_page(struct phy_device * phydev,int page)440 static int vsc85xx_phy_write_page(struct phy_device *phydev, int page)
441 {
442 	return __phy_write(phydev, MSCC_EXT_PAGE_ACCESS, page);
443 }
444 
vsc85xx_get_sset_count(struct phy_device * phydev)445 static int vsc85xx_get_sset_count(struct phy_device *phydev)
446 {
447 	struct vsc8531_private *priv = phydev->priv;
448 
449 	if (!priv)
450 		return 0;
451 
452 	return priv->nstats;
453 }
454 
vsc85xx_get_strings(struct phy_device * phydev,u8 * data)455 static void vsc85xx_get_strings(struct phy_device *phydev, u8 *data)
456 {
457 	struct vsc8531_private *priv = phydev->priv;
458 	int i;
459 
460 	if (!priv)
461 		return;
462 
463 	for (i = 0; i < priv->nstats; i++)
464 		strlcpy(data + i * ETH_GSTRING_LEN, priv->hw_stats[i].string,
465 			ETH_GSTRING_LEN);
466 }
467 
vsc85xx_get_stat(struct phy_device * phydev,int i)468 static u64 vsc85xx_get_stat(struct phy_device *phydev, int i)
469 {
470 	struct vsc8531_private *priv = phydev->priv;
471 	int val;
472 
473 	val = phy_read_paged(phydev, priv->hw_stats[i].page,
474 			     priv->hw_stats[i].reg);
475 	if (val < 0)
476 		return U64_MAX;
477 
478 	val = val & priv->hw_stats[i].mask;
479 	priv->stats[i] += val;
480 
481 	return priv->stats[i];
482 }
483 
vsc85xx_get_stats(struct phy_device * phydev,struct ethtool_stats * stats,u64 * data)484 static void vsc85xx_get_stats(struct phy_device *phydev,
485 			      struct ethtool_stats *stats, u64 *data)
486 {
487 	struct vsc8531_private *priv = phydev->priv;
488 	int i;
489 
490 	if (!priv)
491 		return;
492 
493 	for (i = 0; i < priv->nstats; i++)
494 		data[i] = vsc85xx_get_stat(phydev, i);
495 }
496 
vsc85xx_led_cntl_set(struct phy_device * phydev,u8 led_num,u8 mode)497 static int vsc85xx_led_cntl_set(struct phy_device *phydev,
498 				u8 led_num,
499 				u8 mode)
500 {
501 	int rc;
502 	u16 reg_val;
503 
504 	mutex_lock(&phydev->lock);
505 	reg_val = phy_read(phydev, MSCC_PHY_LED_MODE_SEL);
506 	reg_val &= ~LED_MODE_SEL_MASK(led_num);
507 	reg_val |= LED_MODE_SEL(led_num, (u16)mode);
508 	rc = phy_write(phydev, MSCC_PHY_LED_MODE_SEL, reg_val);
509 	mutex_unlock(&phydev->lock);
510 
511 	return rc;
512 }
513 
vsc85xx_mdix_get(struct phy_device * phydev,u8 * mdix)514 static int vsc85xx_mdix_get(struct phy_device *phydev, u8 *mdix)
515 {
516 	u16 reg_val;
517 
518 	reg_val = phy_read(phydev, MSCC_PHY_DEV_AUX_CNTL);
519 	if (reg_val & HP_AUTO_MDIX_X_OVER_IND_MASK)
520 		*mdix = ETH_TP_MDI_X;
521 	else
522 		*mdix = ETH_TP_MDI;
523 
524 	return 0;
525 }
526 
vsc85xx_mdix_set(struct phy_device * phydev,u8 mdix)527 static int vsc85xx_mdix_set(struct phy_device *phydev, u8 mdix)
528 {
529 	int rc;
530 	u16 reg_val;
531 
532 	reg_val = phy_read(phydev, MSCC_PHY_BYPASS_CONTROL);
533 	if (mdix == ETH_TP_MDI || mdix == ETH_TP_MDI_X) {
534 		reg_val |= (DISABLE_PAIR_SWAP_CORR_MASK |
535 			    DISABLE_POLARITY_CORR_MASK  |
536 			    DISABLE_HP_AUTO_MDIX_MASK);
537 	} else {
538 		reg_val &= ~(DISABLE_PAIR_SWAP_CORR_MASK |
539 			     DISABLE_POLARITY_CORR_MASK  |
540 			     DISABLE_HP_AUTO_MDIX_MASK);
541 	}
542 	rc = phy_write(phydev, MSCC_PHY_BYPASS_CONTROL, reg_val);
543 	if (rc)
544 		return rc;
545 
546 	reg_val = 0;
547 
548 	if (mdix == ETH_TP_MDI)
549 		reg_val = FORCE_MDI_CROSSOVER_MDI;
550 	else if (mdix == ETH_TP_MDI_X)
551 		reg_val = FORCE_MDI_CROSSOVER_MDIX;
552 
553 	rc = phy_modify_paged(phydev, MSCC_PHY_PAGE_EXTENDED,
554 			      MSCC_PHY_EXT_MODE_CNTL, FORCE_MDI_CROSSOVER_MASK,
555 			      reg_val);
556 	if (rc < 0)
557 		return rc;
558 
559 	return genphy_restart_aneg(phydev);
560 }
561 
vsc85xx_downshift_get(struct phy_device * phydev,u8 * count)562 static int vsc85xx_downshift_get(struct phy_device *phydev, u8 *count)
563 {
564 	int reg_val;
565 
566 	reg_val = phy_read_paged(phydev, MSCC_PHY_PAGE_EXTENDED,
567 				 MSCC_PHY_ACTIPHY_CNTL);
568 	if (reg_val < 0)
569 		return reg_val;
570 
571 	reg_val &= DOWNSHIFT_CNTL_MASK;
572 	if (!(reg_val & DOWNSHIFT_EN))
573 		*count = DOWNSHIFT_DEV_DISABLE;
574 	else
575 		*count = ((reg_val & ~DOWNSHIFT_EN) >> DOWNSHIFT_CNTL_POS) + 2;
576 
577 	return 0;
578 }
579 
vsc85xx_downshift_set(struct phy_device * phydev,u8 count)580 static int vsc85xx_downshift_set(struct phy_device *phydev, u8 count)
581 {
582 	if (count == DOWNSHIFT_DEV_DEFAULT_COUNT) {
583 		/* Default downshift count 3 (i.e. Bit3:2 = 0b01) */
584 		count = ((1 << DOWNSHIFT_CNTL_POS) | DOWNSHIFT_EN);
585 	} else if (count > DOWNSHIFT_COUNT_MAX || count == 1) {
586 		phydev_err(phydev, "Downshift count should be 2,3,4 or 5\n");
587 		return -ERANGE;
588 	} else if (count) {
589 		/* Downshift count is either 2,3,4 or 5 */
590 		count = (((count - 2) << DOWNSHIFT_CNTL_POS) | DOWNSHIFT_EN);
591 	}
592 
593 	return phy_modify_paged(phydev, MSCC_PHY_PAGE_EXTENDED,
594 				MSCC_PHY_ACTIPHY_CNTL, DOWNSHIFT_CNTL_MASK,
595 				count);
596 }
597 
vsc85xx_wol_set(struct phy_device * phydev,struct ethtool_wolinfo * wol)598 static int vsc85xx_wol_set(struct phy_device *phydev,
599 			   struct ethtool_wolinfo *wol)
600 {
601 	int rc;
602 	u16 reg_val;
603 	u8  i;
604 	u16 pwd[3] = {0, 0, 0};
605 	struct ethtool_wolinfo *wol_conf = wol;
606 	u8 *mac_addr = phydev->attached_dev->dev_addr;
607 
608 	mutex_lock(&phydev->lock);
609 	rc = phy_select_page(phydev, MSCC_PHY_PAGE_EXTENDED_2);
610 	if (rc < 0) {
611 		rc = phy_restore_page(phydev, rc, rc);
612 		goto out_unlock;
613 	}
614 
615 	if (wol->wolopts & WAKE_MAGIC) {
616 		/* Store the device address for the magic packet */
617 		for (i = 0; i < ARRAY_SIZE(pwd); i++)
618 			pwd[i] = mac_addr[5 - (i * 2 + 1)] << 8 |
619 				 mac_addr[5 - i * 2];
620 		__phy_write(phydev, MSCC_PHY_WOL_LOWER_MAC_ADDR, pwd[0]);
621 		__phy_write(phydev, MSCC_PHY_WOL_MID_MAC_ADDR, pwd[1]);
622 		__phy_write(phydev, MSCC_PHY_WOL_UPPER_MAC_ADDR, pwd[2]);
623 	} else {
624 		__phy_write(phydev, MSCC_PHY_WOL_LOWER_MAC_ADDR, 0);
625 		__phy_write(phydev, MSCC_PHY_WOL_MID_MAC_ADDR, 0);
626 		__phy_write(phydev, MSCC_PHY_WOL_UPPER_MAC_ADDR, 0);
627 	}
628 
629 	if (wol_conf->wolopts & WAKE_MAGICSECURE) {
630 		for (i = 0; i < ARRAY_SIZE(pwd); i++)
631 			pwd[i] = wol_conf->sopass[5 - (i * 2 + 1)] << 8 |
632 				 wol_conf->sopass[5 - i * 2];
633 		__phy_write(phydev, MSCC_PHY_WOL_LOWER_PASSWD, pwd[0]);
634 		__phy_write(phydev, MSCC_PHY_WOL_MID_PASSWD, pwd[1]);
635 		__phy_write(phydev, MSCC_PHY_WOL_UPPER_PASSWD, pwd[2]);
636 	} else {
637 		__phy_write(phydev, MSCC_PHY_WOL_LOWER_PASSWD, 0);
638 		__phy_write(phydev, MSCC_PHY_WOL_MID_PASSWD, 0);
639 		__phy_write(phydev, MSCC_PHY_WOL_UPPER_PASSWD, 0);
640 	}
641 
642 	reg_val = __phy_read(phydev, MSCC_PHY_WOL_MAC_CONTROL);
643 	if (wol_conf->wolopts & WAKE_MAGICSECURE)
644 		reg_val |= SECURE_ON_ENABLE;
645 	else
646 		reg_val &= ~SECURE_ON_ENABLE;
647 	__phy_write(phydev, MSCC_PHY_WOL_MAC_CONTROL, reg_val);
648 
649 	rc = phy_restore_page(phydev, rc, rc > 0 ? 0 : rc);
650 	if (rc < 0)
651 		goto out_unlock;
652 
653 	if (wol->wolopts & WAKE_MAGIC) {
654 		/* Enable the WOL interrupt */
655 		reg_val = phy_read(phydev, MII_VSC85XX_INT_MASK);
656 		reg_val |= MII_VSC85XX_INT_MASK_WOL;
657 		rc = phy_write(phydev, MII_VSC85XX_INT_MASK, reg_val);
658 		if (rc)
659 			goto out_unlock;
660 	} else {
661 		/* Disable the WOL interrupt */
662 		reg_val = phy_read(phydev, MII_VSC85XX_INT_MASK);
663 		reg_val &= (~MII_VSC85XX_INT_MASK_WOL);
664 		rc = phy_write(phydev, MII_VSC85XX_INT_MASK, reg_val);
665 		if (rc)
666 			goto out_unlock;
667 	}
668 	/* Clear WOL iterrupt status */
669 	reg_val = phy_read(phydev, MII_VSC85XX_INT_STATUS);
670 
671 out_unlock:
672 	mutex_unlock(&phydev->lock);
673 
674 	return rc;
675 }
676 
vsc85xx_wol_get(struct phy_device * phydev,struct ethtool_wolinfo * wol)677 static void vsc85xx_wol_get(struct phy_device *phydev,
678 			    struct ethtool_wolinfo *wol)
679 {
680 	int rc;
681 	u16 reg_val;
682 	u8  i;
683 	u16 pwd[3] = {0, 0, 0};
684 	struct ethtool_wolinfo *wol_conf = wol;
685 
686 	mutex_lock(&phydev->lock);
687 	rc = phy_select_page(phydev, MSCC_PHY_PAGE_EXTENDED_2);
688 	if (rc < 0)
689 		goto out_unlock;
690 
691 	reg_val = __phy_read(phydev, MSCC_PHY_WOL_MAC_CONTROL);
692 	if (reg_val & SECURE_ON_ENABLE)
693 		wol_conf->wolopts |= WAKE_MAGICSECURE;
694 	if (wol_conf->wolopts & WAKE_MAGICSECURE) {
695 		pwd[0] = __phy_read(phydev, MSCC_PHY_WOL_LOWER_PASSWD);
696 		pwd[1] = __phy_read(phydev, MSCC_PHY_WOL_MID_PASSWD);
697 		pwd[2] = __phy_read(phydev, MSCC_PHY_WOL_UPPER_PASSWD);
698 		for (i = 0; i < ARRAY_SIZE(pwd); i++) {
699 			wol_conf->sopass[5 - i * 2] = pwd[i] & 0x00ff;
700 			wol_conf->sopass[5 - (i * 2 + 1)] = (pwd[i] & 0xff00)
701 							    >> 8;
702 		}
703 	}
704 
705 out_unlock:
706 	phy_restore_page(phydev, rc, rc > 0 ? 0 : rc);
707 	mutex_unlock(&phydev->lock);
708 }
709 
710 #ifdef CONFIG_OF_MDIO
vsc85xx_edge_rate_magic_get(struct phy_device * phydev)711 static int vsc85xx_edge_rate_magic_get(struct phy_device *phydev)
712 {
713 	u32 vdd, sd;
714 	int i, j;
715 	struct device *dev = &phydev->mdio.dev;
716 	struct device_node *of_node = dev->of_node;
717 	u8 sd_array_size = ARRAY_SIZE(edge_table[0].slowdown);
718 
719 	if (!of_node)
720 		return -ENODEV;
721 
722 	if (of_property_read_u32(of_node, "vsc8531,vddmac", &vdd))
723 		vdd = MSCC_VDDMAC_3300;
724 
725 	if (of_property_read_u32(of_node, "vsc8531,edge-slowdown", &sd))
726 		sd = 0;
727 
728 	for (i = 0; i < ARRAY_SIZE(edge_table); i++)
729 		if (edge_table[i].vddmac == vdd)
730 			for (j = 0; j < sd_array_size; j++)
731 				if (edge_table[i].slowdown[j] == sd)
732 					return (sd_array_size - j - 1);
733 
734 	return -EINVAL;
735 }
736 
vsc85xx_dt_led_mode_get(struct phy_device * phydev,char * led,u32 default_mode)737 static int vsc85xx_dt_led_mode_get(struct phy_device *phydev,
738 				   char *led,
739 				   u32 default_mode)
740 {
741 	struct vsc8531_private *priv = phydev->priv;
742 	struct device *dev = &phydev->mdio.dev;
743 	struct device_node *of_node = dev->of_node;
744 	u32 led_mode;
745 	int err;
746 
747 	if (!of_node)
748 		return -ENODEV;
749 
750 	led_mode = default_mode;
751 	err = of_property_read_u32(of_node, led, &led_mode);
752 	if (!err && !(BIT(led_mode) & priv->supp_led_modes)) {
753 		phydev_err(phydev, "DT %s invalid\n", led);
754 		return -EINVAL;
755 	}
756 
757 	return led_mode;
758 }
759 
760 #else
vsc85xx_edge_rate_magic_get(struct phy_device * phydev)761 static int vsc85xx_edge_rate_magic_get(struct phy_device *phydev)
762 {
763 	return 0;
764 }
765 
vsc85xx_dt_led_mode_get(struct phy_device * phydev,char * led,u8 default_mode)766 static int vsc85xx_dt_led_mode_get(struct phy_device *phydev,
767 				   char *led,
768 				   u8 default_mode)
769 {
770 	return default_mode;
771 }
772 #endif /* CONFIG_OF_MDIO */
773 
vsc85xx_dt_led_modes_get(struct phy_device * phydev,u32 * default_mode)774 static int vsc85xx_dt_led_modes_get(struct phy_device *phydev,
775 				    u32 *default_mode)
776 {
777 	struct vsc8531_private *priv = phydev->priv;
778 	char led_dt_prop[28];
779 	int i, ret;
780 
781 	for (i = 0; i < priv->nleds; i++) {
782 		ret = sprintf(led_dt_prop, "vsc8531,led-%d-mode", i);
783 		if (ret < 0)
784 			return ret;
785 
786 		ret = vsc85xx_dt_led_mode_get(phydev, led_dt_prop,
787 					      default_mode[i]);
788 		if (ret < 0)
789 			return ret;
790 		priv->leds_mode[i] = ret;
791 	}
792 
793 	return 0;
794 }
795 
vsc85xx_edge_rate_cntl_set(struct phy_device * phydev,u8 edge_rate)796 static int vsc85xx_edge_rate_cntl_set(struct phy_device *phydev, u8 edge_rate)
797 {
798 	int rc;
799 
800 	mutex_lock(&phydev->lock);
801 	rc = phy_modify_paged(phydev, MSCC_PHY_PAGE_EXTENDED_2,
802 			      MSCC_PHY_WOL_MAC_CONTROL, EDGE_RATE_CNTL_MASK,
803 			      edge_rate << EDGE_RATE_CNTL_POS);
804 	mutex_unlock(&phydev->lock);
805 
806 	return rc;
807 }
808 
vsc85xx_mac_if_set(struct phy_device * phydev,phy_interface_t interface)809 static int vsc85xx_mac_if_set(struct phy_device *phydev,
810 			      phy_interface_t interface)
811 {
812 	int rc;
813 	u16 reg_val;
814 
815 	mutex_lock(&phydev->lock);
816 	reg_val = phy_read(phydev, MSCC_PHY_EXT_PHY_CNTL_1);
817 	reg_val &= ~(MAC_IF_SELECTION_MASK);
818 	switch (interface) {
819 	case PHY_INTERFACE_MODE_RGMII:
820 		reg_val |= (MAC_IF_SELECTION_RGMII << MAC_IF_SELECTION_POS);
821 		break;
822 	case PHY_INTERFACE_MODE_RMII:
823 		reg_val |= (MAC_IF_SELECTION_RMII << MAC_IF_SELECTION_POS);
824 		break;
825 	case PHY_INTERFACE_MODE_MII:
826 	case PHY_INTERFACE_MODE_GMII:
827 		reg_val |= (MAC_IF_SELECTION_GMII << MAC_IF_SELECTION_POS);
828 		break;
829 	default:
830 		rc = -EINVAL;
831 		goto out_unlock;
832 	}
833 	rc = phy_write(phydev, MSCC_PHY_EXT_PHY_CNTL_1, reg_val);
834 	if (rc)
835 		goto out_unlock;
836 
837 	rc = genphy_soft_reset(phydev);
838 
839 out_unlock:
840 	mutex_unlock(&phydev->lock);
841 
842 	return rc;
843 }
844 
vsc85xx_default_config(struct phy_device * phydev)845 static int vsc85xx_default_config(struct phy_device *phydev)
846 {
847 	int rc;
848 	u16 reg_val;
849 
850 	phydev->mdix_ctrl = ETH_TP_MDI_AUTO;
851 	mutex_lock(&phydev->lock);
852 
853 	reg_val = RGMII_RX_CLK_DELAY_1_1_NS << RGMII_RX_CLK_DELAY_POS;
854 
855 	rc = phy_modify_paged(phydev, MSCC_PHY_PAGE_EXTENDED_2,
856 			      MSCC_PHY_RGMII_CNTL, RGMII_RX_CLK_DELAY_MASK,
857 			      reg_val);
858 
859 	mutex_unlock(&phydev->lock);
860 
861 	return rc;
862 }
863 
vsc85xx_get_tunable(struct phy_device * phydev,struct ethtool_tunable * tuna,void * data)864 static int vsc85xx_get_tunable(struct phy_device *phydev,
865 			       struct ethtool_tunable *tuna, void *data)
866 {
867 	switch (tuna->id) {
868 	case ETHTOOL_PHY_DOWNSHIFT:
869 		return vsc85xx_downshift_get(phydev, (u8 *)data);
870 	default:
871 		return -EINVAL;
872 	}
873 }
874 
vsc85xx_set_tunable(struct phy_device * phydev,struct ethtool_tunable * tuna,const void * data)875 static int vsc85xx_set_tunable(struct phy_device *phydev,
876 			       struct ethtool_tunable *tuna,
877 			       const void *data)
878 {
879 	switch (tuna->id) {
880 	case ETHTOOL_PHY_DOWNSHIFT:
881 		return vsc85xx_downshift_set(phydev, *(u8 *)data);
882 	default:
883 		return -EINVAL;
884 	}
885 }
886 
887 /* mdiobus lock should be locked when using this function */
vsc85xx_tr_write(struct phy_device * phydev,u16 addr,u32 val)888 static void vsc85xx_tr_write(struct phy_device *phydev, u16 addr, u32 val)
889 {
890 	__phy_write(phydev, MSCC_PHY_TR_MSB, val >> 16);
891 	__phy_write(phydev, MSCC_PHY_TR_LSB, val & GENMASK(15, 0));
892 	__phy_write(phydev, MSCC_PHY_TR_CNTL, TR_WRITE | TR_ADDR(addr));
893 }
894 
vsc8531_pre_init_seq_set(struct phy_device * phydev)895 static int vsc8531_pre_init_seq_set(struct phy_device *phydev)
896 {
897 	int rc;
898 	const struct reg_val init_seq[] = {
899 		{0x0f90, 0x00688980},
900 		{0x0696, 0x00000003},
901 		{0x07fa, 0x0050100f},
902 		{0x1686, 0x00000004},
903 	};
904 	unsigned int i;
905 	int oldpage;
906 
907 	rc = phy_modify_paged(phydev, MSCC_PHY_PAGE_STANDARD,
908 			      MSCC_PHY_EXT_CNTL_STATUS, SMI_BROADCAST_WR_EN,
909 			      SMI_BROADCAST_WR_EN);
910 	if (rc < 0)
911 		return rc;
912 	rc = phy_modify_paged(phydev, MSCC_PHY_PAGE_TEST,
913 			      MSCC_PHY_TEST_PAGE_24, 0, 0x0400);
914 	if (rc < 0)
915 		return rc;
916 	rc = phy_modify_paged(phydev, MSCC_PHY_PAGE_TEST,
917 			      MSCC_PHY_TEST_PAGE_5, 0x0a00, 0x0e00);
918 	if (rc < 0)
919 		return rc;
920 	rc = phy_modify_paged(phydev, MSCC_PHY_PAGE_TEST,
921 			      MSCC_PHY_TEST_PAGE_8, 0x8000, 0x8000);
922 	if (rc < 0)
923 		return rc;
924 
925 	mutex_lock(&phydev->lock);
926 	oldpage = phy_select_page(phydev, MSCC_PHY_PAGE_TR);
927 	if (oldpage < 0)
928 		goto out_unlock;
929 
930 	for (i = 0; i < ARRAY_SIZE(init_seq); i++)
931 		vsc85xx_tr_write(phydev, init_seq[i].reg, init_seq[i].val);
932 
933 out_unlock:
934 	oldpage = phy_restore_page(phydev, oldpage, oldpage);
935 	mutex_unlock(&phydev->lock);
936 
937 	return oldpage;
938 }
939 
vsc85xx_eee_init_seq_set(struct phy_device * phydev)940 static int vsc85xx_eee_init_seq_set(struct phy_device *phydev)
941 {
942 	const struct reg_val init_eee[] = {
943 		{0x0f82, 0x0012b00a},
944 		{0x1686, 0x00000004},
945 		{0x168c, 0x00d2c46f},
946 		{0x17a2, 0x00000620},
947 		{0x16a0, 0x00eeffdd},
948 		{0x16a6, 0x00071448},
949 		{0x16a4, 0x0013132f},
950 		{0x16a8, 0x00000000},
951 		{0x0ffc, 0x00c0a028},
952 		{0x0fe8, 0x0091b06c},
953 		{0x0fea, 0x00041600},
954 		{0x0f80, 0x00000af4},
955 		{0x0fec, 0x00901809},
956 		{0x0fee, 0x0000a6a1},
957 		{0x0ffe, 0x00b01007},
958 		{0x16b0, 0x00eeff00},
959 		{0x16b2, 0x00007000},
960 		{0x16b4, 0x00000814},
961 	};
962 	unsigned int i;
963 	int oldpage;
964 
965 	mutex_lock(&phydev->lock);
966 	oldpage = phy_select_page(phydev, MSCC_PHY_PAGE_TR);
967 	if (oldpage < 0)
968 		goto out_unlock;
969 
970 	for (i = 0; i < ARRAY_SIZE(init_eee); i++)
971 		vsc85xx_tr_write(phydev, init_eee[i].reg, init_eee[i].val);
972 
973 out_unlock:
974 	oldpage = phy_restore_page(phydev, oldpage, oldpage);
975 	mutex_unlock(&phydev->lock);
976 
977 	return oldpage;
978 }
979 
980 /* phydev->bus->mdio_lock should be locked when using this function */
phy_base_write(struct phy_device * phydev,u32 regnum,u16 val)981 static int phy_base_write(struct phy_device *phydev, u32 regnum, u16 val)
982 {
983 	struct vsc8531_private *priv = phydev->priv;
984 
985 	if (unlikely(!mutex_is_locked(&phydev->mdio.bus->mdio_lock))) {
986 		dev_err(&phydev->mdio.dev, "MDIO bus lock not held!\n");
987 		dump_stack();
988 	}
989 
990 	return __mdiobus_write(phydev->mdio.bus, priv->base_addr, regnum, val);
991 }
992 
993 /* phydev->bus->mdio_lock should be locked when using this function */
phy_base_read(struct phy_device * phydev,u32 regnum)994 static int phy_base_read(struct phy_device *phydev, u32 regnum)
995 {
996 	struct vsc8531_private *priv = phydev->priv;
997 
998 	if (unlikely(!mutex_is_locked(&phydev->mdio.bus->mdio_lock))) {
999 		dev_err(&phydev->mdio.dev, "MDIO bus lock not held!\n");
1000 		dump_stack();
1001 	}
1002 
1003 	return __mdiobus_read(phydev->mdio.bus, priv->base_addr, regnum);
1004 }
1005 
1006 /* bus->mdio_lock should be locked when using this function */
vsc8584_csr_write(struct phy_device * phydev,u16 addr,u32 val)1007 static void vsc8584_csr_write(struct phy_device *phydev, u16 addr, u32 val)
1008 {
1009 	phy_base_write(phydev, MSCC_PHY_TR_MSB, val >> 16);
1010 	phy_base_write(phydev, MSCC_PHY_TR_LSB, val & GENMASK(15, 0));
1011 	phy_base_write(phydev, MSCC_PHY_TR_CNTL, TR_WRITE | TR_ADDR(addr));
1012 }
1013 
1014 /* bus->mdio_lock should be locked when using this function */
vsc8584_cmd(struct phy_device * phydev,u16 val)1015 static int vsc8584_cmd(struct phy_device *phydev, u16 val)
1016 {
1017 	unsigned long deadline;
1018 	u16 reg_val;
1019 
1020 	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
1021 		       MSCC_PHY_PAGE_EXTENDED_GPIO);
1022 
1023 	phy_base_write(phydev, MSCC_PHY_PROC_CMD, PROC_CMD_NCOMPLETED | val);
1024 
1025 	deadline = jiffies + msecs_to_jiffies(PROC_CMD_NCOMPLETED_TIMEOUT_MS);
1026 	do {
1027 		reg_val = phy_base_read(phydev, MSCC_PHY_PROC_CMD);
1028 	} while (time_before(jiffies, deadline) &&
1029 		 (reg_val & PROC_CMD_NCOMPLETED) &&
1030 		 !(reg_val & PROC_CMD_FAILED));
1031 
1032 	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);
1033 
1034 	if (reg_val & PROC_CMD_FAILED)
1035 		return -EIO;
1036 
1037 	if (reg_val & PROC_CMD_NCOMPLETED)
1038 		return -ETIMEDOUT;
1039 
1040 	return 0;
1041 }
1042 
1043 /* bus->mdio_lock should be locked when using this function */
vsc8584_micro_deassert_reset(struct phy_device * phydev,bool patch_en)1044 static int vsc8584_micro_deassert_reset(struct phy_device *phydev,
1045 					bool patch_en)
1046 {
1047 	u32 enable, release;
1048 
1049 	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
1050 		       MSCC_PHY_PAGE_EXTENDED_GPIO);
1051 
1052 	enable = RUN_FROM_INT_ROM | MICRO_CLK_EN | DW8051_CLK_EN;
1053 	release = MICRO_NSOFT_RESET | RUN_FROM_INT_ROM | DW8051_CLK_EN |
1054 		MICRO_CLK_EN;
1055 
1056 	if (patch_en) {
1057 		enable |= MICRO_PATCH_EN;
1058 		release |= MICRO_PATCH_EN;
1059 
1060 		/* Clear all patches */
1061 		phy_base_write(phydev, MSCC_INT_MEM_CNTL, READ_RAM);
1062 	}
1063 
1064 	/* Enable 8051 Micro clock; CLEAR/SET patch present; disable PRAM clock
1065 	 * override and addr. auto-incr; operate at 125 MHz
1066 	 */
1067 	phy_base_write(phydev, MSCC_DW8051_CNTL_STATUS, enable);
1068 	/* Release 8051 Micro SW reset */
1069 	phy_base_write(phydev, MSCC_DW8051_CNTL_STATUS, release);
1070 
1071 	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);
1072 
1073 	return 0;
1074 }
1075 
1076 /* bus->mdio_lock should be locked when using this function */
vsc8584_micro_assert_reset(struct phy_device * phydev)1077 static int vsc8584_micro_assert_reset(struct phy_device *phydev)
1078 {
1079 	int ret;
1080 	u16 reg;
1081 
1082 	ret = vsc8584_cmd(phydev, PROC_CMD_NOP);
1083 	if (ret)
1084 		return ret;
1085 
1086 	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
1087 		       MSCC_PHY_PAGE_EXTENDED_GPIO);
1088 
1089 	reg = phy_base_read(phydev, MSCC_INT_MEM_CNTL);
1090 	reg &= ~EN_PATCH_RAM_TRAP_ADDR(4);
1091 	phy_base_write(phydev, MSCC_INT_MEM_CNTL, reg);
1092 
1093 	phy_base_write(phydev, MSCC_TRAP_ROM_ADDR(4), 0x005b);
1094 	phy_base_write(phydev, MSCC_PATCH_RAM_ADDR(4), 0x005b);
1095 
1096 	reg = phy_base_read(phydev, MSCC_INT_MEM_CNTL);
1097 	reg |= EN_PATCH_RAM_TRAP_ADDR(4);
1098 	phy_base_write(phydev, MSCC_INT_MEM_CNTL, reg);
1099 
1100 	phy_base_write(phydev, MSCC_PHY_PROC_CMD, PROC_CMD_NOP);
1101 
1102 	reg = phy_base_read(phydev, MSCC_DW8051_CNTL_STATUS);
1103 	reg &= ~MICRO_NSOFT_RESET;
1104 	phy_base_write(phydev, MSCC_DW8051_CNTL_STATUS, reg);
1105 
1106 	phy_base_write(phydev, MSCC_PHY_PROC_CMD, PROC_CMD_MCB_ACCESS_MAC_CONF |
1107 		       PROC_CMD_SGMII_PORT(0) | PROC_CMD_NO_MAC_CONF |
1108 		       PROC_CMD_READ);
1109 
1110 	reg = phy_base_read(phydev, MSCC_INT_MEM_CNTL);
1111 	reg &= ~EN_PATCH_RAM_TRAP_ADDR(4);
1112 	phy_base_write(phydev, MSCC_INT_MEM_CNTL, reg);
1113 
1114 	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);
1115 
1116 	return 0;
1117 }
1118 
1119 /* bus->mdio_lock should be locked when using this function */
vsc8584_get_fw_crc(struct phy_device * phydev,u16 start,u16 size,u16 * crc)1120 static int vsc8584_get_fw_crc(struct phy_device *phydev, u16 start, u16 size,
1121 			      u16 *crc)
1122 {
1123 	int ret;
1124 
1125 	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_EXTENDED);
1126 
1127 	phy_base_write(phydev, MSCC_PHY_VERIPHY_CNTL_2, start);
1128 	phy_base_write(phydev, MSCC_PHY_VERIPHY_CNTL_3, size);
1129 
1130 	/* Start Micro command */
1131 	ret = vsc8584_cmd(phydev, PROC_CMD_CRC16);
1132 	if (ret)
1133 		goto out;
1134 
1135 	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_EXTENDED);
1136 
1137 	*crc = phy_base_read(phydev, MSCC_PHY_VERIPHY_CNTL_2);
1138 
1139 out:
1140 	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);
1141 
1142 	return ret;
1143 }
1144 
1145 /* bus->mdio_lock should be locked when using this function */
vsc8584_patch_fw(struct phy_device * phydev,const struct firmware * fw)1146 static int vsc8584_patch_fw(struct phy_device *phydev,
1147 			    const struct firmware *fw)
1148 {
1149 	int i, ret;
1150 
1151 	ret = vsc8584_micro_assert_reset(phydev);
1152 	if (ret) {
1153 		dev_err(&phydev->mdio.dev,
1154 			"%s: failed to assert reset of micro\n", __func__);
1155 		return ret;
1156 	}
1157 
1158 	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
1159 		       MSCC_PHY_PAGE_EXTENDED_GPIO);
1160 
1161 	/* Hold 8051 Micro in SW Reset, Enable auto incr address and patch clock
1162 	 * Disable the 8051 Micro clock
1163 	 */
1164 	phy_base_write(phydev, MSCC_DW8051_CNTL_STATUS, RUN_FROM_INT_ROM |
1165 		       AUTOINC_ADDR | PATCH_RAM_CLK | MICRO_CLK_EN |
1166 		       MICRO_CLK_DIVIDE(2));
1167 	phy_base_write(phydev, MSCC_INT_MEM_CNTL, READ_PRAM | INT_MEM_WRITE_EN |
1168 		       INT_MEM_DATA(2));
1169 	phy_base_write(phydev, MSCC_INT_MEM_ADDR, 0x0000);
1170 
1171 	for (i = 0; i < fw->size; i++)
1172 		phy_base_write(phydev, MSCC_INT_MEM_CNTL, READ_PRAM |
1173 			       INT_MEM_WRITE_EN | fw->data[i]);
1174 
1175 	/* Clear internal memory access */
1176 	phy_base_write(phydev, MSCC_INT_MEM_CNTL, READ_RAM);
1177 
1178 	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);
1179 
1180 	return 0;
1181 }
1182 
1183 /* bus->mdio_lock should be locked when using this function */
vsc8574_is_serdes_init(struct phy_device * phydev)1184 static bool vsc8574_is_serdes_init(struct phy_device *phydev)
1185 {
1186 	u16 reg;
1187 	bool ret;
1188 
1189 	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
1190 		       MSCC_PHY_PAGE_EXTENDED_GPIO);
1191 
1192 	reg = phy_base_read(phydev, MSCC_TRAP_ROM_ADDR(1));
1193 	if (reg != 0x3eb7) {
1194 		ret = false;
1195 		goto out;
1196 	}
1197 
1198 	reg = phy_base_read(phydev, MSCC_PATCH_RAM_ADDR(1));
1199 	if (reg != 0x4012) {
1200 		ret = false;
1201 		goto out;
1202 	}
1203 
1204 	reg = phy_base_read(phydev, MSCC_INT_MEM_CNTL);
1205 	if (reg != EN_PATCH_RAM_TRAP_ADDR(1)) {
1206 		ret = false;
1207 		goto out;
1208 	}
1209 
1210 	reg = phy_base_read(phydev, MSCC_DW8051_CNTL_STATUS);
1211 	if ((MICRO_NSOFT_RESET | RUN_FROM_INT_ROM |  DW8051_CLK_EN |
1212 	     MICRO_CLK_EN) != (reg & MSCC_DW8051_VLD_MASK)) {
1213 		ret = false;
1214 		goto out;
1215 	}
1216 
1217 	ret = true;
1218 out:
1219 	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);
1220 
1221 	return ret;
1222 }
1223 
1224 /* bus->mdio_lock should be locked when using this function */
vsc8574_config_pre_init(struct phy_device * phydev)1225 static int vsc8574_config_pre_init(struct phy_device *phydev)
1226 {
1227 	const struct reg_val pre_init1[] = {
1228 		{0x0fae, 0x000401bd},
1229 		{0x0fac, 0x000f000f},
1230 		{0x17a0, 0x00a0f147},
1231 		{0x0fe4, 0x00052f54},
1232 		{0x1792, 0x0027303d},
1233 		{0x07fe, 0x00000704},
1234 		{0x0fe0, 0x00060150},
1235 		{0x0f82, 0x0012b00a},
1236 		{0x0f80, 0x00000d74},
1237 		{0x02e0, 0x00000012},
1238 		{0x03a2, 0x00050208},
1239 		{0x03b2, 0x00009186},
1240 		{0x0fb0, 0x000e3700},
1241 		{0x1688, 0x00049f81},
1242 		{0x0fd2, 0x0000ffff},
1243 		{0x168a, 0x00039fa2},
1244 		{0x1690, 0x0020640b},
1245 		{0x0258, 0x00002220},
1246 		{0x025a, 0x00002a20},
1247 		{0x025c, 0x00003060},
1248 		{0x025e, 0x00003fa0},
1249 		{0x03a6, 0x0000e0f0},
1250 		{0x0f92, 0x00001489},
1251 		{0x16a2, 0x00007000},
1252 		{0x16a6, 0x00071448},
1253 		{0x16a0, 0x00eeffdd},
1254 		{0x0fe8, 0x0091b06c},
1255 		{0x0fea, 0x00041600},
1256 		{0x16b0, 0x00eeff00},
1257 		{0x16b2, 0x00007000},
1258 		{0x16b4, 0x00000814},
1259 		{0x0f90, 0x00688980},
1260 		{0x03a4, 0x0000d8f0},
1261 		{0x0fc0, 0x00000400},
1262 		{0x07fa, 0x0050100f},
1263 		{0x0796, 0x00000003},
1264 		{0x07f8, 0x00c3ff98},
1265 		{0x0fa4, 0x0018292a},
1266 		{0x168c, 0x00d2c46f},
1267 		{0x17a2, 0x00000620},
1268 		{0x16a4, 0x0013132f},
1269 		{0x16a8, 0x00000000},
1270 		{0x0ffc, 0x00c0a028},
1271 		{0x0fec, 0x00901c09},
1272 		{0x0fee, 0x0004a6a1},
1273 		{0x0ffe, 0x00b01807},
1274 	};
1275 	const struct reg_val pre_init2[] = {
1276 		{0x0486, 0x0008a518},
1277 		{0x0488, 0x006dc696},
1278 		{0x048a, 0x00000912},
1279 		{0x048e, 0x00000db6},
1280 		{0x049c, 0x00596596},
1281 		{0x049e, 0x00000514},
1282 		{0x04a2, 0x00410280},
1283 		{0x04a4, 0x00000000},
1284 		{0x04a6, 0x00000000},
1285 		{0x04a8, 0x00000000},
1286 		{0x04aa, 0x00000000},
1287 		{0x04ae, 0x007df7dd},
1288 		{0x04b0, 0x006d95d4},
1289 		{0x04b2, 0x00492410},
1290 	};
1291 	struct device *dev = &phydev->mdio.dev;
1292 	const struct firmware *fw;
1293 	unsigned int i;
1294 	u16 crc, reg;
1295 	bool serdes_init;
1296 	int ret;
1297 
1298 	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);
1299 
1300 	/* all writes below are broadcasted to all PHYs in the same package */
1301 	reg = phy_base_read(phydev, MSCC_PHY_EXT_CNTL_STATUS);
1302 	reg |= SMI_BROADCAST_WR_EN;
1303 	phy_base_write(phydev, MSCC_PHY_EXT_CNTL_STATUS, reg);
1304 
1305 	phy_base_write(phydev, MII_VSC85XX_INT_MASK, 0);
1306 
1307 	/* The below register writes are tweaking analog and electrical
1308 	 * configuration that were determined through characterization by PHY
1309 	 * engineers. These don't mean anything more than "these are the best
1310 	 * values".
1311 	 */
1312 	phy_base_write(phydev, MSCC_PHY_EXT_PHY_CNTL_2, 0x0040);
1313 
1314 	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_TEST);
1315 
1316 	phy_base_write(phydev, MSCC_PHY_TEST_PAGE_20, 0x4320);
1317 	phy_base_write(phydev, MSCC_PHY_TEST_PAGE_24, 0x0c00);
1318 	phy_base_write(phydev, MSCC_PHY_TEST_PAGE_9, 0x18ca);
1319 	phy_base_write(phydev, MSCC_PHY_TEST_PAGE_5, 0x1b20);
1320 
1321 	reg = phy_base_read(phydev, MSCC_PHY_TEST_PAGE_8);
1322 	reg |= 0x8000;
1323 	phy_base_write(phydev, MSCC_PHY_TEST_PAGE_8, reg);
1324 
1325 	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_TR);
1326 
1327 	for (i = 0; i < ARRAY_SIZE(pre_init1); i++)
1328 		vsc8584_csr_write(phydev, pre_init1[i].reg, pre_init1[i].val);
1329 
1330 	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_EXTENDED_2);
1331 
1332 	phy_base_write(phydev, MSCC_PHY_CU_PMD_TX_CNTL, 0x028e);
1333 
1334 	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_TR);
1335 
1336 	for (i = 0; i < ARRAY_SIZE(pre_init2); i++)
1337 		vsc8584_csr_write(phydev, pre_init2[i].reg, pre_init2[i].val);
1338 
1339 	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_TEST);
1340 
1341 	reg = phy_base_read(phydev, MSCC_PHY_TEST_PAGE_8);
1342 	reg &= ~0x8000;
1343 	phy_base_write(phydev, MSCC_PHY_TEST_PAGE_8, reg);
1344 
1345 	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);
1346 
1347 	/* end of write broadcasting */
1348 	reg = phy_base_read(phydev, MSCC_PHY_EXT_CNTL_STATUS);
1349 	reg &= ~SMI_BROADCAST_WR_EN;
1350 	phy_base_write(phydev, MSCC_PHY_EXT_CNTL_STATUS, reg);
1351 
1352 	ret = request_firmware(&fw, MSCC_VSC8574_REVB_INT8051_FW, dev);
1353 	if (ret) {
1354 		dev_err(dev, "failed to load firmware %s, ret: %d\n",
1355 			MSCC_VSC8574_REVB_INT8051_FW, ret);
1356 		return ret;
1357 	}
1358 
1359 	/* Add one byte to size for the one added by the patch_fw function */
1360 	ret = vsc8584_get_fw_crc(phydev,
1361 				 MSCC_VSC8574_REVB_INT8051_FW_START_ADDR,
1362 				 fw->size + 1, &crc);
1363 	if (ret)
1364 		goto out;
1365 
1366 	if (crc == MSCC_VSC8574_REVB_INT8051_FW_CRC) {
1367 		serdes_init = vsc8574_is_serdes_init(phydev);
1368 
1369 		if (!serdes_init) {
1370 			ret = vsc8584_micro_assert_reset(phydev);
1371 			if (ret) {
1372 				dev_err(dev,
1373 					"%s: failed to assert reset of micro\n",
1374 					__func__);
1375 				goto out;
1376 			}
1377 		}
1378 	} else {
1379 		dev_dbg(dev, "FW CRC is not the expected one, patching FW\n");
1380 
1381 		serdes_init = false;
1382 
1383 		if (vsc8584_patch_fw(phydev, fw))
1384 			dev_warn(dev,
1385 				 "failed to patch FW, expect non-optimal device\n");
1386 	}
1387 
1388 	if (!serdes_init) {
1389 		phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
1390 			       MSCC_PHY_PAGE_EXTENDED_GPIO);
1391 
1392 		phy_base_write(phydev, MSCC_TRAP_ROM_ADDR(1), 0x3eb7);
1393 		phy_base_write(phydev, MSCC_PATCH_RAM_ADDR(1), 0x4012);
1394 		phy_base_write(phydev, MSCC_INT_MEM_CNTL,
1395 			       EN_PATCH_RAM_TRAP_ADDR(1));
1396 
1397 		vsc8584_micro_deassert_reset(phydev, false);
1398 
1399 		/* Add one byte to size for the one added by the patch_fw
1400 		 * function
1401 		 */
1402 		ret = vsc8584_get_fw_crc(phydev,
1403 					 MSCC_VSC8574_REVB_INT8051_FW_START_ADDR,
1404 					 fw->size + 1, &crc);
1405 		if (ret)
1406 			goto out;
1407 
1408 		if (crc != MSCC_VSC8574_REVB_INT8051_FW_CRC)
1409 			dev_warn(dev,
1410 				 "FW CRC after patching is not the expected one, expect non-optimal device\n");
1411 	}
1412 
1413 	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
1414 		       MSCC_PHY_PAGE_EXTENDED_GPIO);
1415 
1416 	ret = vsc8584_cmd(phydev, PROC_CMD_1588_DEFAULT_INIT |
1417 			  PROC_CMD_PHY_INIT);
1418 
1419 out:
1420 	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);
1421 
1422 	release_firmware(fw);
1423 
1424 	return ret;
1425 }
1426 
1427 /* bus->mdio_lock should be locked when using this function */
vsc8584_config_pre_init(struct phy_device * phydev)1428 static int vsc8584_config_pre_init(struct phy_device *phydev)
1429 {
1430 	const struct reg_val pre_init1[] = {
1431 		{0x07fa, 0x0050100f},
1432 		{0x1688, 0x00049f81},
1433 		{0x0f90, 0x00688980},
1434 		{0x03a4, 0x0000d8f0},
1435 		{0x0fc0, 0x00000400},
1436 		{0x0f82, 0x0012b002},
1437 		{0x1686, 0x00000004},
1438 		{0x168c, 0x00d2c46f},
1439 		{0x17a2, 0x00000620},
1440 		{0x16a0, 0x00eeffdd},
1441 		{0x16a6, 0x00071448},
1442 		{0x16a4, 0x0013132f},
1443 		{0x16a8, 0x00000000},
1444 		{0x0ffc, 0x00c0a028},
1445 		{0x0fe8, 0x0091b06c},
1446 		{0x0fea, 0x00041600},
1447 		{0x0f80, 0x00fffaff},
1448 		{0x0fec, 0x00901809},
1449 		{0x0ffe, 0x00b01007},
1450 		{0x16b0, 0x00eeff00},
1451 		{0x16b2, 0x00007000},
1452 		{0x16b4, 0x00000814},
1453 	};
1454 	const struct reg_val pre_init2[] = {
1455 		{0x0486, 0x0008a518},
1456 		{0x0488, 0x006dc696},
1457 		{0x048a, 0x00000912},
1458 	};
1459 	const struct firmware *fw;
1460 	struct device *dev = &phydev->mdio.dev;
1461 	unsigned int i;
1462 	u16 crc, reg;
1463 	int ret;
1464 
1465 	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);
1466 
1467 	/* all writes below are broadcasted to all PHYs in the same package */
1468 	reg = phy_base_read(phydev, MSCC_PHY_EXT_CNTL_STATUS);
1469 	reg |= SMI_BROADCAST_WR_EN;
1470 	phy_base_write(phydev, MSCC_PHY_EXT_CNTL_STATUS, reg);
1471 
1472 	phy_base_write(phydev, MII_VSC85XX_INT_MASK, 0);
1473 
1474 	reg = phy_base_read(phydev,  MSCC_PHY_BYPASS_CONTROL);
1475 	reg |= PARALLEL_DET_IGNORE_ADVERTISED;
1476 	phy_base_write(phydev, MSCC_PHY_BYPASS_CONTROL, reg);
1477 
1478 	/* The below register writes are tweaking analog and electrical
1479 	 * configuration that were determined through characterization by PHY
1480 	 * engineers. These don't mean anything more than "these are the best
1481 	 * values".
1482 	 */
1483 	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_EXTENDED_3);
1484 
1485 	phy_base_write(phydev, MSCC_PHY_SERDES_TX_CRC_ERR_CNT, 0x2000);
1486 
1487 	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_TEST);
1488 
1489 	phy_base_write(phydev, MSCC_PHY_TEST_PAGE_5, 0x1f20);
1490 
1491 	reg = phy_base_read(phydev, MSCC_PHY_TEST_PAGE_8);
1492 	reg |= 0x8000;
1493 	phy_base_write(phydev, MSCC_PHY_TEST_PAGE_8, reg);
1494 
1495 	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_TR);
1496 
1497 	phy_base_write(phydev, MSCC_PHY_TR_CNTL, TR_WRITE | TR_ADDR(0x2fa4));
1498 
1499 	reg = phy_base_read(phydev, MSCC_PHY_TR_MSB);
1500 	reg &= ~0x007f;
1501 	reg |= 0x0019;
1502 	phy_base_write(phydev, MSCC_PHY_TR_MSB, reg);
1503 
1504 	phy_base_write(phydev, MSCC_PHY_TR_CNTL, TR_WRITE | TR_ADDR(0x0fa4));
1505 
1506 	for (i = 0; i < ARRAY_SIZE(pre_init1); i++)
1507 		vsc8584_csr_write(phydev, pre_init1[i].reg, pre_init1[i].val);
1508 
1509 	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_EXTENDED_2);
1510 
1511 	phy_base_write(phydev, MSCC_PHY_CU_PMD_TX_CNTL, 0x028e);
1512 
1513 	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_TR);
1514 
1515 	for (i = 0; i < ARRAY_SIZE(pre_init2); i++)
1516 		vsc8584_csr_write(phydev, pre_init2[i].reg, pre_init2[i].val);
1517 
1518 	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_TEST);
1519 
1520 	reg = phy_base_read(phydev, MSCC_PHY_TEST_PAGE_8);
1521 	reg &= ~0x8000;
1522 	phy_base_write(phydev, MSCC_PHY_TEST_PAGE_8, reg);
1523 
1524 	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);
1525 
1526 	/* end of write broadcasting */
1527 	reg = phy_base_read(phydev, MSCC_PHY_EXT_CNTL_STATUS);
1528 	reg &= ~SMI_BROADCAST_WR_EN;
1529 	phy_base_write(phydev, MSCC_PHY_EXT_CNTL_STATUS, reg);
1530 
1531 	ret = request_firmware(&fw, MSCC_VSC8584_REVB_INT8051_FW, dev);
1532 	if (ret) {
1533 		dev_err(dev, "failed to load firmware %s, ret: %d\n",
1534 			MSCC_VSC8584_REVB_INT8051_FW, ret);
1535 		return ret;
1536 	}
1537 
1538 	/* Add one byte to size for the one added by the patch_fw function */
1539 	ret = vsc8584_get_fw_crc(phydev,
1540 				 MSCC_VSC8584_REVB_INT8051_FW_START_ADDR,
1541 				 fw->size + 1, &crc);
1542 	if (ret)
1543 		goto out;
1544 
1545 	if (crc != MSCC_VSC8584_REVB_INT8051_FW_CRC) {
1546 		dev_dbg(dev, "FW CRC is not the expected one, patching FW\n");
1547 		if (vsc8584_patch_fw(phydev, fw))
1548 			dev_warn(dev,
1549 				 "failed to patch FW, expect non-optimal device\n");
1550 	}
1551 
1552 	vsc8584_micro_deassert_reset(phydev, false);
1553 
1554 	/* Add one byte to size for the one added by the patch_fw function */
1555 	ret = vsc8584_get_fw_crc(phydev,
1556 				 MSCC_VSC8584_REVB_INT8051_FW_START_ADDR,
1557 				 fw->size + 1, &crc);
1558 	if (ret)
1559 		goto out;
1560 
1561 	if (crc != MSCC_VSC8584_REVB_INT8051_FW_CRC)
1562 		dev_warn(dev,
1563 			 "FW CRC after patching is not the expected one, expect non-optimal device\n");
1564 
1565 	ret = vsc8584_micro_assert_reset(phydev);
1566 	if (ret)
1567 		goto out;
1568 
1569 	vsc8584_micro_deassert_reset(phydev, true);
1570 
1571 out:
1572 	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);
1573 
1574 	release_firmware(fw);
1575 
1576 	return ret;
1577 }
1578 
1579 /* Check if one PHY has already done the init of the parts common to all PHYs
1580  * in the Quad PHY package.
1581  */
vsc8584_is_pkg_init(struct phy_device * phydev,bool reversed)1582 static bool vsc8584_is_pkg_init(struct phy_device *phydev, bool reversed)
1583 {
1584 	struct mdio_device **map = phydev->mdio.bus->mdio_map;
1585 	struct vsc8531_private *vsc8531;
1586 	struct phy_device *phy;
1587 	int i, addr;
1588 
1589 	/* VSC8584 is a Quad PHY */
1590 	for (i = 0; i < 4; i++) {
1591 		vsc8531 = phydev->priv;
1592 
1593 		if (reversed)
1594 			addr = vsc8531->base_addr - i;
1595 		else
1596 			addr = vsc8531->base_addr + i;
1597 
1598 		phy = container_of(map[addr], struct phy_device, mdio);
1599 
1600 		if ((phy->phy_id & phydev->drv->phy_id_mask) !=
1601 		    (phydev->drv->phy_id & phydev->drv->phy_id_mask))
1602 			continue;
1603 
1604 		vsc8531 = phy->priv;
1605 
1606 		if (vsc8531 && vsc8531->pkg_init)
1607 			return true;
1608 	}
1609 
1610 	return false;
1611 }
1612 
vsc8584_config_init(struct phy_device * phydev)1613 static int vsc8584_config_init(struct phy_device *phydev)
1614 {
1615 	struct vsc8531_private *vsc8531 = phydev->priv;
1616 	u16 addr, val;
1617 	int ret, i;
1618 
1619 	phydev->mdix_ctrl = ETH_TP_MDI_AUTO;
1620 
1621 	mutex_lock(&phydev->mdio.bus->mdio_lock);
1622 
1623 	__mdiobus_write(phydev->mdio.bus, phydev->mdio.addr,
1624 			MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_EXTENDED);
1625 	addr = __mdiobus_read(phydev->mdio.bus, phydev->mdio.addr,
1626 			      MSCC_PHY_EXT_PHY_CNTL_4);
1627 	addr >>= PHY_CNTL_4_ADDR_POS;
1628 
1629 	val = __mdiobus_read(phydev->mdio.bus, phydev->mdio.addr,
1630 			     MSCC_PHY_ACTIPHY_CNTL);
1631 	if (val & PHY_ADDR_REVERSED)
1632 		vsc8531->base_addr = phydev->mdio.addr + addr;
1633 	else
1634 		vsc8531->base_addr = phydev->mdio.addr - addr;
1635 
1636 	/* Some parts of the init sequence are identical for every PHY in the
1637 	 * package. Some parts are modifying the GPIO register bank which is a
1638 	 * set of registers that are affecting all PHYs, a few resetting the
1639 	 * microprocessor common to all PHYs. The CRC check responsible of the
1640 	 * checking the firmware within the 8051 microprocessor can only be
1641 	 * accessed via the PHY whose internal address in the package is 0.
1642 	 * All PHYs' interrupts mask register has to be zeroed before enabling
1643 	 * any PHY's interrupt in this register.
1644 	 * For all these reasons, we need to do the init sequence once and only
1645 	 * once whatever is the first PHY in the package that is initialized and
1646 	 * do the correct init sequence for all PHYs that are package-critical
1647 	 * in this pre-init function.
1648 	 */
1649 	if (!vsc8584_is_pkg_init(phydev, val & PHY_ADDR_REVERSED ? 1 : 0)) {
1650 		if ((phydev->phy_id & phydev->drv->phy_id_mask) ==
1651 		    (PHY_ID_VSC8574 & phydev->drv->phy_id_mask))
1652 			ret = vsc8574_config_pre_init(phydev);
1653 		else if ((phydev->phy_id & phydev->drv->phy_id_mask) ==
1654 			 (PHY_ID_VSC8584 & phydev->drv->phy_id_mask))
1655 			ret = vsc8584_config_pre_init(phydev);
1656 		else
1657 			ret = -EINVAL;
1658 
1659 		if (ret)
1660 			goto err;
1661 	}
1662 
1663 	vsc8531->pkg_init = true;
1664 
1665 	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
1666 		       MSCC_PHY_PAGE_EXTENDED_GPIO);
1667 
1668 	val = phy_base_read(phydev, MSCC_PHY_MAC_CFG_FASTLINK);
1669 	val &= ~MAC_CFG_MASK;
1670 	if (phydev->interface == PHY_INTERFACE_MODE_QSGMII)
1671 		val |= MAC_CFG_QSGMII;
1672 	else
1673 		val |= MAC_CFG_SGMII;
1674 
1675 	ret = phy_base_write(phydev, MSCC_PHY_MAC_CFG_FASTLINK, val);
1676 	if (ret)
1677 		goto err;
1678 
1679 	val = PROC_CMD_MCB_ACCESS_MAC_CONF | PROC_CMD_RST_CONF_PORT |
1680 		PROC_CMD_READ_MOD_WRITE_PORT;
1681 	if (phydev->interface == PHY_INTERFACE_MODE_QSGMII)
1682 		val |= PROC_CMD_QSGMII_MAC;
1683 	else
1684 		val |= PROC_CMD_SGMII_MAC;
1685 
1686 	ret = vsc8584_cmd(phydev, val);
1687 	if (ret)
1688 		goto err;
1689 
1690 	usleep_range(10000, 20000);
1691 
1692 	/* Disable SerDes for 100Base-FX */
1693 	ret = vsc8584_cmd(phydev, PROC_CMD_FIBER_MEDIA_CONF |
1694 			  PROC_CMD_FIBER_PORT(addr) | PROC_CMD_FIBER_DISABLE |
1695 			  PROC_CMD_READ_MOD_WRITE_PORT |
1696 			  PROC_CMD_RST_CONF_PORT | PROC_CMD_FIBER_100BASE_FX);
1697 	if (ret)
1698 		goto err;
1699 
1700 	/* Disable SerDes for 1000Base-X */
1701 	ret = vsc8584_cmd(phydev, PROC_CMD_FIBER_MEDIA_CONF |
1702 			  PROC_CMD_FIBER_PORT(addr) | PROC_CMD_FIBER_DISABLE |
1703 			  PROC_CMD_READ_MOD_WRITE_PORT |
1704 			  PROC_CMD_RST_CONF_PORT | PROC_CMD_FIBER_1000BASE_X);
1705 	if (ret)
1706 		goto err;
1707 
1708 	mutex_unlock(&phydev->mdio.bus->mdio_lock);
1709 
1710 	phy_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);
1711 
1712 	val = phy_read(phydev, MSCC_PHY_EXT_PHY_CNTL_1);
1713 	val &= ~(MEDIA_OP_MODE_MASK | VSC8584_MAC_IF_SELECTION_MASK);
1714 	val |= MEDIA_OP_MODE_COPPER | (VSC8584_MAC_IF_SELECTION_SGMII <<
1715 				       VSC8584_MAC_IF_SELECTION_POS);
1716 	ret = phy_write(phydev, MSCC_PHY_EXT_PHY_CNTL_1, val);
1717 
1718 	ret = genphy_soft_reset(phydev);
1719 	if (ret)
1720 		return ret;
1721 
1722 	for (i = 0; i < vsc8531->nleds; i++) {
1723 		ret = vsc85xx_led_cntl_set(phydev, i, vsc8531->leds_mode[i]);
1724 		if (ret)
1725 			return ret;
1726 	}
1727 
1728 	return 0;
1729 
1730 err:
1731 	mutex_unlock(&phydev->mdio.bus->mdio_lock);
1732 	return ret;
1733 }
1734 
vsc85xx_config_init(struct phy_device * phydev)1735 static int vsc85xx_config_init(struct phy_device *phydev)
1736 {
1737 	int rc, i, phy_id;
1738 	struct vsc8531_private *vsc8531 = phydev->priv;
1739 
1740 	rc = vsc85xx_default_config(phydev);
1741 	if (rc)
1742 		return rc;
1743 
1744 	rc = vsc85xx_mac_if_set(phydev, phydev->interface);
1745 	if (rc)
1746 		return rc;
1747 
1748 	rc = vsc85xx_edge_rate_cntl_set(phydev, vsc8531->rate_magic);
1749 	if (rc)
1750 		return rc;
1751 
1752 	phy_id = phydev->drv->phy_id & phydev->drv->phy_id_mask;
1753 	if (PHY_ID_VSC8531 == phy_id || PHY_ID_VSC8541 == phy_id ||
1754 	    PHY_ID_VSC8530 == phy_id || PHY_ID_VSC8540 == phy_id) {
1755 		rc = vsc8531_pre_init_seq_set(phydev);
1756 		if (rc)
1757 			return rc;
1758 	}
1759 
1760 	rc = vsc85xx_eee_init_seq_set(phydev);
1761 	if (rc)
1762 		return rc;
1763 
1764 	for (i = 0; i < vsc8531->nleds; i++) {
1765 		rc = vsc85xx_led_cntl_set(phydev, i, vsc8531->leds_mode[i]);
1766 		if (rc)
1767 			return rc;
1768 	}
1769 
1770 	return 0;
1771 }
1772 
vsc8584_did_interrupt(struct phy_device * phydev)1773 static int vsc8584_did_interrupt(struct phy_device *phydev)
1774 {
1775 	int rc = 0;
1776 
1777 	if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
1778 		rc = phy_read(phydev, MII_VSC85XX_INT_STATUS);
1779 
1780 	return (rc < 0) ? 0 : rc & MII_VSC85XX_INT_MASK_MASK;
1781 }
1782 
vsc8514_config_pre_init(struct phy_device * phydev)1783 static int vsc8514_config_pre_init(struct phy_device *phydev)
1784 {
1785 	/* These are the settings to override the silicon default
1786 	 * values to handle hardware performance of PHY. They
1787 	 * are set at Power-On state and remain until PHY Reset.
1788 	 */
1789 	const struct reg_val pre_init1[] = {
1790 		{0x0f90, 0x00688980},
1791 		{0x0786, 0x00000003},
1792 		{0x07fa, 0x0050100f},
1793 		{0x0f82, 0x0012b002},
1794 		{0x1686, 0x00000004},
1795 		{0x168c, 0x00d2c46f},
1796 		{0x17a2, 0x00000620},
1797 		{0x16a0, 0x00eeffdd},
1798 		{0x16a6, 0x00071448},
1799 		{0x16a4, 0x0013132f},
1800 		{0x16a8, 0x00000000},
1801 		{0x0ffc, 0x00c0a028},
1802 		{0x0fe8, 0x0091b06c},
1803 		{0x0fea, 0x00041600},
1804 		{0x0f80, 0x00fffaff},
1805 		{0x0fec, 0x00901809},
1806 		{0x0ffe, 0x00b01007},
1807 		{0x16b0, 0x00eeff00},
1808 		{0x16b2, 0x00007000},
1809 		{0x16b4, 0x00000814},
1810 	};
1811 	unsigned int i;
1812 	u16 reg;
1813 
1814 	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);
1815 
1816 	/* all writes below are broadcasted to all PHYs in the same package */
1817 	reg = phy_base_read(phydev, MSCC_PHY_EXT_CNTL_STATUS);
1818 	reg |= SMI_BROADCAST_WR_EN;
1819 	phy_base_write(phydev, MSCC_PHY_EXT_CNTL_STATUS, reg);
1820 
1821 	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_TEST);
1822 
1823 	reg = phy_base_read(phydev, MSCC_PHY_TEST_PAGE_8);
1824 	reg |= BIT(15);
1825 	phy_base_write(phydev, MSCC_PHY_TEST_PAGE_8, reg);
1826 
1827 	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_TR);
1828 
1829 	for (i = 0; i < ARRAY_SIZE(pre_init1); i++)
1830 		vsc8584_csr_write(phydev, pre_init1[i].reg, pre_init1[i].val);
1831 
1832 	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_TEST);
1833 
1834 	reg = phy_base_read(phydev, MSCC_PHY_TEST_PAGE_8);
1835 	reg &= ~BIT(15);
1836 	phy_base_write(phydev, MSCC_PHY_TEST_PAGE_8, reg);
1837 
1838 	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);
1839 
1840 	reg = phy_base_read(phydev, MSCC_PHY_EXT_CNTL_STATUS);
1841 	reg &= ~SMI_BROADCAST_WR_EN;
1842 	phy_base_write(phydev, MSCC_PHY_EXT_CNTL_STATUS, reg);
1843 
1844 	return 0;
1845 }
1846 
vsc85xx_csr_ctrl_phy_read(struct phy_device * phydev,u32 target,u32 reg)1847 static u32 vsc85xx_csr_ctrl_phy_read(struct phy_device *phydev,
1848 				     u32 target, u32 reg)
1849 {
1850 	unsigned long deadline;
1851 	u32 val, val_l, val_h;
1852 
1853 	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_CSR_CNTL);
1854 
1855 	/* CSR registers are grouped under different Target IDs.
1856 	 * 6-bit Target_ID is split between MSCC_EXT_PAGE_CSR_CNTL_20 and
1857 	 * MSCC_EXT_PAGE_CSR_CNTL_19 registers.
1858 	 * Target_ID[5:2] maps to bits[3:0] of MSCC_EXT_PAGE_CSR_CNTL_20
1859 	 * and Target_ID[1:0] maps to bits[13:12] of MSCC_EXT_PAGE_CSR_CNTL_19.
1860 	 */
1861 
1862 	/* Setup the Target ID */
1863 	phy_base_write(phydev, MSCC_EXT_PAGE_CSR_CNTL_20,
1864 		       MSCC_PHY_CSR_CNTL_20_TARGET(target >> 2));
1865 
1866 	/* Trigger CSR Action - Read into the CSR's */
1867 	phy_base_write(phydev, MSCC_EXT_PAGE_CSR_CNTL_19,
1868 		       MSCC_PHY_CSR_CNTL_19_CMD | MSCC_PHY_CSR_CNTL_19_READ |
1869 		       MSCC_PHY_CSR_CNTL_19_REG_ADDR(reg) |
1870 		       MSCC_PHY_CSR_CNTL_19_TARGET(target & 0x3));
1871 
1872 	/* Wait for register access*/
1873 	deadline = jiffies + msecs_to_jiffies(PROC_CMD_NCOMPLETED_TIMEOUT_MS);
1874 	do {
1875 		usleep_range(500, 1000);
1876 		val = phy_base_read(phydev, MSCC_EXT_PAGE_CSR_CNTL_19);
1877 	} while (time_before(jiffies, deadline) &&
1878 		!(val & MSCC_PHY_CSR_CNTL_19_CMD));
1879 
1880 	if (!(val & MSCC_PHY_CSR_CNTL_19_CMD))
1881 		return 0xffffffff;
1882 
1883 	/* Read the Least Significant Word (LSW) (17) */
1884 	val_l = phy_base_read(phydev, MSCC_EXT_PAGE_CSR_CNTL_17);
1885 
1886 	/* Read the Most Significant Word (MSW) (18) */
1887 	val_h = phy_base_read(phydev, MSCC_EXT_PAGE_CSR_CNTL_18);
1888 
1889 	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
1890 		       MSCC_PHY_PAGE_STANDARD);
1891 
1892 	return (val_h << 16) | val_l;
1893 }
1894 
vsc85xx_csr_ctrl_phy_write(struct phy_device * phydev,u32 target,u32 reg,u32 val)1895 static int vsc85xx_csr_ctrl_phy_write(struct phy_device *phydev,
1896 				      u32 target, u32 reg, u32 val)
1897 {
1898 	unsigned long deadline;
1899 
1900 	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_CSR_CNTL);
1901 
1902 	/* CSR registers are grouped under different Target IDs.
1903 	 * 6-bit Target_ID is split between MSCC_EXT_PAGE_CSR_CNTL_20 and
1904 	 * MSCC_EXT_PAGE_CSR_CNTL_19 registers.
1905 	 * Target_ID[5:2] maps to bits[3:0] of MSCC_EXT_PAGE_CSR_CNTL_20
1906 	 * and Target_ID[1:0] maps to bits[13:12] of MSCC_EXT_PAGE_CSR_CNTL_19.
1907 	 */
1908 
1909 	/* Setup the Target ID */
1910 	phy_base_write(phydev, MSCC_EXT_PAGE_CSR_CNTL_20,
1911 		       MSCC_PHY_CSR_CNTL_20_TARGET(target >> 2));
1912 
1913 	/* Write the Least Significant Word (LSW) (17) */
1914 	phy_base_write(phydev, MSCC_EXT_PAGE_CSR_CNTL_17, (u16)val);
1915 
1916 	/* Write the Most Significant Word (MSW) (18) */
1917 	phy_base_write(phydev, MSCC_EXT_PAGE_CSR_CNTL_18, (u16)(val >> 16));
1918 
1919 	/* Trigger CSR Action - Write into the CSR's */
1920 	phy_base_write(phydev, MSCC_EXT_PAGE_CSR_CNTL_19,
1921 		       MSCC_PHY_CSR_CNTL_19_CMD |
1922 		       MSCC_PHY_CSR_CNTL_19_REG_ADDR(reg) |
1923 		       MSCC_PHY_CSR_CNTL_19_TARGET(target & 0x3));
1924 
1925 	/* Wait for register access */
1926 	deadline = jiffies + msecs_to_jiffies(PROC_CMD_NCOMPLETED_TIMEOUT_MS);
1927 	do {
1928 		usleep_range(500, 1000);
1929 		val = phy_base_read(phydev, MSCC_EXT_PAGE_CSR_CNTL_19);
1930 	} while (time_before(jiffies, deadline) &&
1931 		 !(val & MSCC_PHY_CSR_CNTL_19_CMD));
1932 
1933 	if (!(val & MSCC_PHY_CSR_CNTL_19_CMD))
1934 		return -ETIMEDOUT;
1935 
1936 	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
1937 		       MSCC_PHY_PAGE_STANDARD);
1938 
1939 	return 0;
1940 }
1941 
__phy_write_mcb_s6g(struct phy_device * phydev,u32 reg,u8 mcb,u32 op)1942 static int __phy_write_mcb_s6g(struct phy_device *phydev, u32 reg, u8 mcb,
1943 			       u32 op)
1944 {
1945 	unsigned long deadline;
1946 	u32 val;
1947 	int ret;
1948 
1949 	ret = vsc85xx_csr_ctrl_phy_write(phydev, PHY_MCB_TARGET, reg,
1950 					 op | (1 << mcb));
1951 	if (ret)
1952 		return -EINVAL;
1953 
1954 	deadline = jiffies + msecs_to_jiffies(PROC_CMD_NCOMPLETED_TIMEOUT_MS);
1955 	do {
1956 		usleep_range(500, 1000);
1957 		val = vsc85xx_csr_ctrl_phy_read(phydev, PHY_MCB_TARGET, reg);
1958 
1959 		if (val == 0xffffffff)
1960 			return -EIO;
1961 
1962 	} while (time_before(jiffies, deadline) && (val & op));
1963 
1964 	if (val & op)
1965 		return -ETIMEDOUT;
1966 
1967 	return 0;
1968 }
1969 
1970 /* Trigger a read to the spcified MCB */
phy_update_mcb_s6g(struct phy_device * phydev,u32 reg,u8 mcb)1971 static int phy_update_mcb_s6g(struct phy_device *phydev, u32 reg, u8 mcb)
1972 {
1973 	return __phy_write_mcb_s6g(phydev, reg, mcb, PHY_MCB_S6G_READ);
1974 }
1975 
1976 /* Trigger a write to the spcified MCB */
phy_commit_mcb_s6g(struct phy_device * phydev,u32 reg,u8 mcb)1977 static int phy_commit_mcb_s6g(struct phy_device *phydev, u32 reg, u8 mcb)
1978 {
1979 	return __phy_write_mcb_s6g(phydev, reg, mcb, PHY_MCB_S6G_WRITE);
1980 }
1981 
vsc8514_config_init(struct phy_device * phydev)1982 static int vsc8514_config_init(struct phy_device *phydev)
1983 {
1984 	struct vsc8531_private *vsc8531 = phydev->priv;
1985 	unsigned long deadline;
1986 	u16 val, addr;
1987 	int ret, i;
1988 	u32 reg;
1989 
1990 	phydev->mdix_ctrl = ETH_TP_MDI_AUTO;
1991 
1992 	mutex_lock(&phydev->mdio.bus->mdio_lock);
1993 
1994 	__phy_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_EXTENDED);
1995 
1996 	addr = __phy_read(phydev, MSCC_PHY_EXT_PHY_CNTL_4);
1997 	addr >>= PHY_CNTL_4_ADDR_POS;
1998 
1999 	val = __phy_read(phydev, MSCC_PHY_ACTIPHY_CNTL);
2000 
2001 	if (val & PHY_ADDR_REVERSED)
2002 		vsc8531->base_addr = phydev->mdio.addr + addr;
2003 	else
2004 		vsc8531->base_addr = phydev->mdio.addr - addr;
2005 
2006 	/* Some parts of the init sequence are identical for every PHY in the
2007 	 * package. Some parts are modifying the GPIO register bank which is a
2008 	 * set of registers that are affecting all PHYs, a few resetting the
2009 	 * microprocessor common to all PHYs.
2010 	 * All PHYs' interrupts mask register has to be zeroed before enabling
2011 	 * any PHY's interrupt in this register.
2012 	 * For all these reasons, we need to do the init sequence once and only
2013 	 * once whatever is the first PHY in the package that is initialized and
2014 	 * do the correct init sequence for all PHYs that are package-critical
2015 	 * in this pre-init function.
2016 	 */
2017 	if (!vsc8584_is_pkg_init(phydev, val & PHY_ADDR_REVERSED ? 1 : 0))
2018 		vsc8514_config_pre_init(phydev);
2019 
2020 	vsc8531->pkg_init = true;
2021 
2022 	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
2023 		       MSCC_PHY_PAGE_EXTENDED_GPIO);
2024 
2025 	val = phy_base_read(phydev, MSCC_PHY_MAC_CFG_FASTLINK);
2026 
2027 	val &= ~MAC_CFG_MASK;
2028 	val |= MAC_CFG_QSGMII;
2029 	ret = phy_base_write(phydev, MSCC_PHY_MAC_CFG_FASTLINK, val);
2030 
2031 	if (ret)
2032 		goto err;
2033 
2034 	ret = vsc8584_cmd(phydev,
2035 			  PROC_CMD_MCB_ACCESS_MAC_CONF |
2036 			  PROC_CMD_RST_CONF_PORT |
2037 			  PROC_CMD_READ_MOD_WRITE_PORT | PROC_CMD_QSGMII_MAC);
2038 	if (ret)
2039 		goto err;
2040 
2041 	/* 6g mcb */
2042 	phy_update_mcb_s6g(phydev, PHY_MCB_S6G_CFG, 0);
2043 	/* lcpll mcb */
2044 	phy_update_mcb_s6g(phydev, PHY_S6G_LCPLL_CFG, 0);
2045 	/* pll5gcfg0 */
2046 	ret = vsc85xx_csr_ctrl_phy_write(phydev, PHY_MCB_TARGET,
2047 					 PHY_S6G_PLL5G_CFG0, 0x7036f145);
2048 	if (ret)
2049 		goto err;
2050 
2051 	phy_commit_mcb_s6g(phydev, PHY_S6G_LCPLL_CFG, 0);
2052 	/* pllcfg */
2053 	ret = vsc85xx_csr_ctrl_phy_write(phydev, PHY_MCB_TARGET,
2054 					 PHY_S6G_PLL_CFG,
2055 					 (3 << PHY_S6G_PLL_ENA_OFFS_POS) |
2056 					 (120 << PHY_S6G_PLL_FSM_CTRL_DATA_POS)
2057 					 | (0 << PHY_S6G_PLL_FSM_ENA_POS));
2058 	if (ret)
2059 		goto err;
2060 
2061 	/* commoncfg */
2062 	ret = vsc85xx_csr_ctrl_phy_write(phydev, PHY_MCB_TARGET,
2063 					 PHY_S6G_COMMON_CFG,
2064 					 (0 << PHY_S6G_SYS_RST_POS) |
2065 					 (0 << PHY_S6G_ENA_LANE_POS) |
2066 					 (0 << PHY_S6G_ENA_LOOP_POS) |
2067 					 (0 << PHY_S6G_QRATE_POS) |
2068 					 (3 << PHY_S6G_IF_MODE_POS));
2069 	if (ret)
2070 		goto err;
2071 
2072 	/* misccfg */
2073 	ret = vsc85xx_csr_ctrl_phy_write(phydev, PHY_MCB_TARGET,
2074 					 PHY_S6G_MISC_CFG, 1);
2075 	if (ret)
2076 		goto err;
2077 
2078 	/* gpcfg */
2079 	ret = vsc85xx_csr_ctrl_phy_write(phydev, PHY_MCB_TARGET,
2080 					 PHY_S6G_GPC_CFG, 768);
2081 	if (ret)
2082 		goto err;
2083 
2084 	phy_commit_mcb_s6g(phydev, PHY_S6G_DFT_CFG2, 0);
2085 
2086 	deadline = jiffies + msecs_to_jiffies(PROC_CMD_NCOMPLETED_TIMEOUT_MS);
2087 	do {
2088 		usleep_range(500, 1000);
2089 		phy_update_mcb_s6g(phydev, PHY_MCB_S6G_CFG,
2090 				   0); /* read 6G MCB into CSRs */
2091 		reg = vsc85xx_csr_ctrl_phy_read(phydev, PHY_MCB_TARGET,
2092 						PHY_S6G_PLL_STATUS);
2093 		if (reg == 0xffffffff) {
2094 			mutex_unlock(&phydev->mdio.bus->mdio_lock);
2095 			return -EIO;
2096 		}
2097 
2098 	} while (time_before(jiffies, deadline) && (reg & BIT(12)));
2099 
2100 	if (reg & BIT(12)) {
2101 		mutex_unlock(&phydev->mdio.bus->mdio_lock);
2102 		return -ETIMEDOUT;
2103 	}
2104 
2105 	/* misccfg */
2106 	ret = vsc85xx_csr_ctrl_phy_write(phydev, PHY_MCB_TARGET,
2107 					 PHY_S6G_MISC_CFG, 0);
2108 	if (ret)
2109 		goto err;
2110 
2111 	phy_commit_mcb_s6g(phydev, PHY_MCB_S6G_CFG, 0);
2112 
2113 	deadline = jiffies + msecs_to_jiffies(PROC_CMD_NCOMPLETED_TIMEOUT_MS);
2114 	do {
2115 		usleep_range(500, 1000);
2116 		phy_update_mcb_s6g(phydev, PHY_MCB_S6G_CFG,
2117 				   0); /* read 6G MCB into CSRs */
2118 		reg = vsc85xx_csr_ctrl_phy_read(phydev, PHY_MCB_TARGET,
2119 						PHY_S6G_IB_STATUS0);
2120 		if (reg == 0xffffffff) {
2121 			mutex_unlock(&phydev->mdio.bus->mdio_lock);
2122 			return -EIO;
2123 		}
2124 
2125 	} while (time_before(jiffies, deadline) && !(reg & BIT(8)));
2126 
2127 	if (!(reg & BIT(8))) {
2128 		mutex_unlock(&phydev->mdio.bus->mdio_lock);
2129 		return -ETIMEDOUT;
2130 	}
2131 
2132 	mutex_unlock(&phydev->mdio.bus->mdio_lock);
2133 
2134 	ret = phy_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);
2135 
2136 	if (ret)
2137 		return ret;
2138 
2139 	ret = phy_modify(phydev, MSCC_PHY_EXT_PHY_CNTL_1, MEDIA_OP_MODE_MASK,
2140 			 MEDIA_OP_MODE_COPPER);
2141 
2142 	if (ret)
2143 		return ret;
2144 
2145 	ret = genphy_soft_reset(phydev);
2146 
2147 	if (ret)
2148 		return ret;
2149 
2150 	for (i = 0; i < vsc8531->nleds; i++) {
2151 		ret = vsc85xx_led_cntl_set(phydev, i, vsc8531->leds_mode[i]);
2152 		if (ret)
2153 			return ret;
2154 	}
2155 
2156 	return ret;
2157 
2158 err:
2159 	mutex_unlock(&phydev->mdio.bus->mdio_lock);
2160 	return ret;
2161 }
2162 
vsc85xx_ack_interrupt(struct phy_device * phydev)2163 static int vsc85xx_ack_interrupt(struct phy_device *phydev)
2164 {
2165 	int rc = 0;
2166 
2167 	if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
2168 		rc = phy_read(phydev, MII_VSC85XX_INT_STATUS);
2169 
2170 	return (rc < 0) ? rc : 0;
2171 }
2172 
vsc85xx_config_intr(struct phy_device * phydev)2173 static int vsc85xx_config_intr(struct phy_device *phydev)
2174 {
2175 	int rc;
2176 
2177 	if (phydev->interrupts == PHY_INTERRUPT_ENABLED) {
2178 		rc = phy_write(phydev, MII_VSC85XX_INT_MASK,
2179 			       MII_VSC85XX_INT_MASK_MASK);
2180 	} else {
2181 		rc = phy_write(phydev, MII_VSC85XX_INT_MASK, 0);
2182 		if (rc < 0)
2183 			return rc;
2184 		rc = phy_read(phydev, MII_VSC85XX_INT_STATUS);
2185 	}
2186 
2187 	return rc;
2188 }
2189 
vsc85xx_config_aneg(struct phy_device * phydev)2190 static int vsc85xx_config_aneg(struct phy_device *phydev)
2191 {
2192 	int rc;
2193 
2194 	rc = vsc85xx_mdix_set(phydev, phydev->mdix_ctrl);
2195 	if (rc < 0)
2196 		return rc;
2197 
2198 	return genphy_config_aneg(phydev);
2199 }
2200 
vsc85xx_read_status(struct phy_device * phydev)2201 static int vsc85xx_read_status(struct phy_device *phydev)
2202 {
2203 	int rc;
2204 
2205 	rc = vsc85xx_mdix_get(phydev, &phydev->mdix);
2206 	if (rc < 0)
2207 		return rc;
2208 
2209 	return genphy_read_status(phydev);
2210 }
2211 
vsc8514_probe(struct phy_device * phydev)2212 static int vsc8514_probe(struct phy_device *phydev)
2213 {
2214 	struct vsc8531_private *vsc8531;
2215 	u32 default_mode[4] = {VSC8531_LINK_1000_ACTIVITY,
2216 	   VSC8531_LINK_100_ACTIVITY, VSC8531_LINK_ACTIVITY,
2217 	   VSC8531_DUPLEX_COLLISION};
2218 
2219 	vsc8531 = devm_kzalloc(&phydev->mdio.dev, sizeof(*vsc8531), GFP_KERNEL);
2220 	if (!vsc8531)
2221 		return -ENOMEM;
2222 
2223 	phydev->priv = vsc8531;
2224 
2225 	vsc8531->nleds = 4;
2226 	vsc8531->supp_led_modes = VSC85XX_SUPP_LED_MODES;
2227 	vsc8531->hw_stats = vsc85xx_hw_stats;
2228 	vsc8531->nstats = ARRAY_SIZE(vsc85xx_hw_stats);
2229 	vsc8531->stats = devm_kcalloc(&phydev->mdio.dev, vsc8531->nstats,
2230 				      sizeof(u64), GFP_KERNEL);
2231 	if (!vsc8531->stats)
2232 		return -ENOMEM;
2233 
2234 	return vsc85xx_dt_led_modes_get(phydev, default_mode);
2235 }
2236 
vsc8574_probe(struct phy_device * phydev)2237 static int vsc8574_probe(struct phy_device *phydev)
2238 {
2239 	struct vsc8531_private *vsc8531;
2240 	u32 default_mode[4] = {VSC8531_LINK_1000_ACTIVITY,
2241 	   VSC8531_LINK_100_ACTIVITY, VSC8531_LINK_ACTIVITY,
2242 	   VSC8531_DUPLEX_COLLISION};
2243 
2244 	vsc8531 = devm_kzalloc(&phydev->mdio.dev, sizeof(*vsc8531), GFP_KERNEL);
2245 	if (!vsc8531)
2246 		return -ENOMEM;
2247 
2248 	phydev->priv = vsc8531;
2249 
2250 	vsc8531->nleds = 4;
2251 	vsc8531->supp_led_modes = VSC8584_SUPP_LED_MODES;
2252 	vsc8531->hw_stats = vsc8584_hw_stats;
2253 	vsc8531->nstats = ARRAY_SIZE(vsc8584_hw_stats);
2254 	vsc8531->stats = devm_kcalloc(&phydev->mdio.dev, vsc8531->nstats,
2255 				      sizeof(u64), GFP_KERNEL);
2256 	if (!vsc8531->stats)
2257 		return -ENOMEM;
2258 
2259 	return vsc85xx_dt_led_modes_get(phydev, default_mode);
2260 }
2261 
vsc8584_probe(struct phy_device * phydev)2262 static int vsc8584_probe(struct phy_device *phydev)
2263 {
2264 	struct vsc8531_private *vsc8531;
2265 	u32 default_mode[4] = {VSC8531_LINK_1000_ACTIVITY,
2266 	   VSC8531_LINK_100_ACTIVITY, VSC8531_LINK_ACTIVITY,
2267 	   VSC8531_DUPLEX_COLLISION};
2268 
2269 	if ((phydev->phy_id & MSCC_DEV_REV_MASK) != VSC8584_REVB) {
2270 		dev_err(&phydev->mdio.dev, "Only VSC8584 revB is supported.\n");
2271 		return -ENOTSUPP;
2272 	}
2273 
2274 	vsc8531 = devm_kzalloc(&phydev->mdio.dev, sizeof(*vsc8531), GFP_KERNEL);
2275 	if (!vsc8531)
2276 		return -ENOMEM;
2277 
2278 	phydev->priv = vsc8531;
2279 
2280 	vsc8531->nleds = 4;
2281 	vsc8531->supp_led_modes = VSC8584_SUPP_LED_MODES;
2282 	vsc8531->hw_stats = vsc8584_hw_stats;
2283 	vsc8531->nstats = ARRAY_SIZE(vsc8584_hw_stats);
2284 	vsc8531->stats = devm_kcalloc(&phydev->mdio.dev, vsc8531->nstats,
2285 				      sizeof(u64), GFP_KERNEL);
2286 	if (!vsc8531->stats)
2287 		return -ENOMEM;
2288 
2289 	return vsc85xx_dt_led_modes_get(phydev, default_mode);
2290 }
2291 
vsc85xx_probe(struct phy_device * phydev)2292 static int vsc85xx_probe(struct phy_device *phydev)
2293 {
2294 	struct vsc8531_private *vsc8531;
2295 	int rate_magic;
2296 	u32 default_mode[2] = {VSC8531_LINK_1000_ACTIVITY,
2297 	   VSC8531_LINK_100_ACTIVITY};
2298 
2299 	rate_magic = vsc85xx_edge_rate_magic_get(phydev);
2300 	if (rate_magic < 0)
2301 		return rate_magic;
2302 
2303 	vsc8531 = devm_kzalloc(&phydev->mdio.dev, sizeof(*vsc8531), GFP_KERNEL);
2304 	if (!vsc8531)
2305 		return -ENOMEM;
2306 
2307 	phydev->priv = vsc8531;
2308 
2309 	vsc8531->rate_magic = rate_magic;
2310 	vsc8531->nleds = 2;
2311 	vsc8531->supp_led_modes = VSC85XX_SUPP_LED_MODES;
2312 	vsc8531->hw_stats = vsc85xx_hw_stats;
2313 	vsc8531->nstats = ARRAY_SIZE(vsc85xx_hw_stats);
2314 	vsc8531->stats = devm_kcalloc(&phydev->mdio.dev, vsc8531->nstats,
2315 				      sizeof(u64), GFP_KERNEL);
2316 	if (!vsc8531->stats)
2317 		return -ENOMEM;
2318 
2319 	return vsc85xx_dt_led_modes_get(phydev, default_mode);
2320 }
2321 
2322 /* Microsemi VSC85xx PHYs */
2323 static struct phy_driver vsc85xx_driver[] = {
2324 {
2325 	.phy_id		= PHY_ID_VSC8514,
2326 	.name		= "Microsemi GE VSC8514 SyncE",
2327 	.phy_id_mask	= 0xfffffff0,
2328 	.soft_reset	= &genphy_soft_reset,
2329 	.config_init    = &vsc8514_config_init,
2330 	.config_aneg    = &vsc85xx_config_aneg,
2331 	.read_status	= &vsc85xx_read_status,
2332 	.ack_interrupt  = &vsc85xx_ack_interrupt,
2333 	.config_intr    = &vsc85xx_config_intr,
2334 	.suspend	= &genphy_suspend,
2335 	.resume		= &genphy_resume,
2336 	.probe		= &vsc8514_probe,
2337 	.set_wol	= &vsc85xx_wol_set,
2338 	.get_wol	= &vsc85xx_wol_get,
2339 	.get_tunable	= &vsc85xx_get_tunable,
2340 	.set_tunable	= &vsc85xx_set_tunable,
2341 	.read_page      = &vsc85xx_phy_read_page,
2342 	.write_page     = &vsc85xx_phy_write_page,
2343 	.get_sset_count = &vsc85xx_get_sset_count,
2344 	.get_strings    = &vsc85xx_get_strings,
2345 	.get_stats      = &vsc85xx_get_stats,
2346 },
2347 {
2348 	.phy_id		= PHY_ID_VSC8530,
2349 	.name		= "Microsemi FE VSC8530",
2350 	.phy_id_mask	= 0xfffffff0,
2351 	/* PHY_BASIC_FEATURES */
2352 	.soft_reset	= &genphy_soft_reset,
2353 	.config_init	= &vsc85xx_config_init,
2354 	.config_aneg    = &vsc85xx_config_aneg,
2355 	.aneg_done	= &genphy_aneg_done,
2356 	.read_status	= &vsc85xx_read_status,
2357 	.ack_interrupt	= &vsc85xx_ack_interrupt,
2358 	.config_intr	= &vsc85xx_config_intr,
2359 	.suspend	= &genphy_suspend,
2360 	.resume		= &genphy_resume,
2361 	.probe		= &vsc85xx_probe,
2362 	.set_wol	= &vsc85xx_wol_set,
2363 	.get_wol	= &vsc85xx_wol_get,
2364 	.get_tunable	= &vsc85xx_get_tunable,
2365 	.set_tunable	= &vsc85xx_set_tunable,
2366 	.read_page	= &vsc85xx_phy_read_page,
2367 	.write_page	= &vsc85xx_phy_write_page,
2368 	.get_sset_count = &vsc85xx_get_sset_count,
2369 	.get_strings    = &vsc85xx_get_strings,
2370 	.get_stats      = &vsc85xx_get_stats,
2371 },
2372 {
2373 	.phy_id		= PHY_ID_VSC8531,
2374 	.name		= "Microsemi VSC8531",
2375 	.phy_id_mask    = 0xfffffff0,
2376 	/* PHY_GBIT_FEATURES */
2377 	.soft_reset	= &genphy_soft_reset,
2378 	.config_init    = &vsc85xx_config_init,
2379 	.config_aneg    = &vsc85xx_config_aneg,
2380 	.aneg_done	= &genphy_aneg_done,
2381 	.read_status	= &vsc85xx_read_status,
2382 	.ack_interrupt  = &vsc85xx_ack_interrupt,
2383 	.config_intr    = &vsc85xx_config_intr,
2384 	.suspend	= &genphy_suspend,
2385 	.resume		= &genphy_resume,
2386 	.probe		= &vsc85xx_probe,
2387 	.set_wol	= &vsc85xx_wol_set,
2388 	.get_wol	= &vsc85xx_wol_get,
2389 	.get_tunable	= &vsc85xx_get_tunable,
2390 	.set_tunable	= &vsc85xx_set_tunable,
2391 	.read_page	= &vsc85xx_phy_read_page,
2392 	.write_page	= &vsc85xx_phy_write_page,
2393 	.get_sset_count = &vsc85xx_get_sset_count,
2394 	.get_strings    = &vsc85xx_get_strings,
2395 	.get_stats      = &vsc85xx_get_stats,
2396 },
2397 {
2398 	.phy_id		= PHY_ID_VSC8540,
2399 	.name		= "Microsemi FE VSC8540 SyncE",
2400 	.phy_id_mask	= 0xfffffff0,
2401 	/* PHY_BASIC_FEATURES */
2402 	.soft_reset	= &genphy_soft_reset,
2403 	.config_init	= &vsc85xx_config_init,
2404 	.config_aneg	= &vsc85xx_config_aneg,
2405 	.aneg_done	= &genphy_aneg_done,
2406 	.read_status	= &vsc85xx_read_status,
2407 	.ack_interrupt	= &vsc85xx_ack_interrupt,
2408 	.config_intr	= &vsc85xx_config_intr,
2409 	.suspend	= &genphy_suspend,
2410 	.resume		= &genphy_resume,
2411 	.probe		= &vsc85xx_probe,
2412 	.set_wol	= &vsc85xx_wol_set,
2413 	.get_wol	= &vsc85xx_wol_get,
2414 	.get_tunable	= &vsc85xx_get_tunable,
2415 	.set_tunable	= &vsc85xx_set_tunable,
2416 	.read_page	= &vsc85xx_phy_read_page,
2417 	.write_page	= &vsc85xx_phy_write_page,
2418 	.get_sset_count = &vsc85xx_get_sset_count,
2419 	.get_strings    = &vsc85xx_get_strings,
2420 	.get_stats      = &vsc85xx_get_stats,
2421 },
2422 {
2423 	.phy_id		= PHY_ID_VSC8541,
2424 	.name		= "Microsemi VSC8541 SyncE",
2425 	.phy_id_mask    = 0xfffffff0,
2426 	/* PHY_GBIT_FEATURES */
2427 	.soft_reset	= &genphy_soft_reset,
2428 	.config_init    = &vsc85xx_config_init,
2429 	.config_aneg    = &vsc85xx_config_aneg,
2430 	.aneg_done	= &genphy_aneg_done,
2431 	.read_status	= &vsc85xx_read_status,
2432 	.ack_interrupt  = &vsc85xx_ack_interrupt,
2433 	.config_intr    = &vsc85xx_config_intr,
2434 	.suspend	= &genphy_suspend,
2435 	.resume		= &genphy_resume,
2436 	.probe		= &vsc85xx_probe,
2437 	.set_wol	= &vsc85xx_wol_set,
2438 	.get_wol	= &vsc85xx_wol_get,
2439 	.get_tunable	= &vsc85xx_get_tunable,
2440 	.set_tunable	= &vsc85xx_set_tunable,
2441 	.read_page	= &vsc85xx_phy_read_page,
2442 	.write_page	= &vsc85xx_phy_write_page,
2443 	.get_sset_count = &vsc85xx_get_sset_count,
2444 	.get_strings    = &vsc85xx_get_strings,
2445 	.get_stats      = &vsc85xx_get_stats,
2446 },
2447 {
2448 	.phy_id		= PHY_ID_VSC8574,
2449 	.name		= "Microsemi GE VSC8574 SyncE",
2450 	.phy_id_mask	= 0xfffffff0,
2451 	/* PHY_GBIT_FEATURES */
2452 	.soft_reset	= &genphy_soft_reset,
2453 	.config_init    = &vsc8584_config_init,
2454 	.config_aneg    = &vsc85xx_config_aneg,
2455 	.aneg_done	= &genphy_aneg_done,
2456 	.read_status	= &vsc85xx_read_status,
2457 	.ack_interrupt  = &vsc85xx_ack_interrupt,
2458 	.config_intr    = &vsc85xx_config_intr,
2459 	.did_interrupt  = &vsc8584_did_interrupt,
2460 	.suspend	= &genphy_suspend,
2461 	.resume		= &genphy_resume,
2462 	.probe		= &vsc8574_probe,
2463 	.set_wol	= &vsc85xx_wol_set,
2464 	.get_wol	= &vsc85xx_wol_get,
2465 	.get_tunable	= &vsc85xx_get_tunable,
2466 	.set_tunable	= &vsc85xx_set_tunable,
2467 	.read_page	= &vsc85xx_phy_read_page,
2468 	.write_page	= &vsc85xx_phy_write_page,
2469 	.get_sset_count = &vsc85xx_get_sset_count,
2470 	.get_strings    = &vsc85xx_get_strings,
2471 	.get_stats      = &vsc85xx_get_stats,
2472 },
2473 {
2474 	.phy_id		= PHY_ID_VSC8584,
2475 	.name		= "Microsemi GE VSC8584 SyncE",
2476 	.phy_id_mask	= 0xfffffff0,
2477 	/* PHY_GBIT_FEATURES */
2478 	.soft_reset	= &genphy_soft_reset,
2479 	.config_init    = &vsc8584_config_init,
2480 	.config_aneg    = &vsc85xx_config_aneg,
2481 	.aneg_done	= &genphy_aneg_done,
2482 	.read_status	= &vsc85xx_read_status,
2483 	.ack_interrupt  = &vsc85xx_ack_interrupt,
2484 	.config_intr    = &vsc85xx_config_intr,
2485 	.did_interrupt  = &vsc8584_did_interrupt,
2486 	.suspend	= &genphy_suspend,
2487 	.resume		= &genphy_resume,
2488 	.probe		= &vsc8584_probe,
2489 	.get_tunable	= &vsc85xx_get_tunable,
2490 	.set_tunable	= &vsc85xx_set_tunable,
2491 	.read_page	= &vsc85xx_phy_read_page,
2492 	.write_page	= &vsc85xx_phy_write_page,
2493 	.get_sset_count = &vsc85xx_get_sset_count,
2494 	.get_strings    = &vsc85xx_get_strings,
2495 	.get_stats      = &vsc85xx_get_stats,
2496 }
2497 
2498 };
2499 
2500 module_phy_driver(vsc85xx_driver);
2501 
2502 static struct mdio_device_id __maybe_unused vsc85xx_tbl[] = {
2503 	{ PHY_ID_VSC8514, 0xfffffff0, },
2504 	{ PHY_ID_VSC8530, 0xfffffff0, },
2505 	{ PHY_ID_VSC8531, 0xfffffff0, },
2506 	{ PHY_ID_VSC8540, 0xfffffff0, },
2507 	{ PHY_ID_VSC8541, 0xfffffff0, },
2508 	{ PHY_ID_VSC8574, 0xfffffff0, },
2509 	{ PHY_ID_VSC8584, 0xfffffff0, },
2510 	{ }
2511 };
2512 
2513 MODULE_DEVICE_TABLE(mdio, vsc85xx_tbl);
2514 
2515 MODULE_DESCRIPTION("Microsemi VSC85xx PHY driver");
2516 MODULE_AUTHOR("Nagaraju Lakkaraju");
2517 MODULE_LICENSE("Dual MIT/GPL");
2518