ps3: Remove deprecated create_singlethread_workqueue
[linux-2.6/btrfs-unstable.git] / drivers / phy / broadcom / phy-brcm-usb-init.c
blob1e7ce0b6f2995edf9211b160c8ba57add2dc88c9
1 /*
2 * phy-brcm-usb-init.c - Broadcom USB Phy chip specific init functions
4 * Copyright (C) 2014-2017 Broadcom
6 * This software is licensed under the terms of the GNU General Public
7 * License version 2, as published by the Free Software Foundation, and
8 * may be copied, distributed, and modified under those terms.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
17 * This module contains USB PHY initialization for power up and S3 resume
20 #include <linux/delay.h>
21 #include <linux/io.h>
23 #include <linux/soc/brcmstb/brcmstb.h>
24 #include "phy-brcm-usb-init.h"
26 #define PHY_PORTS 2
27 #define PHY_PORT_SELECT_0 0
28 #define PHY_PORT_SELECT_1 0x1000
30 /* Register definitions for the USB CTRL block */
31 #define USB_CTRL_SETUP 0x00
32 #define USB_CTRL_SETUP_IOC_MASK 0x00000010
33 #define USB_CTRL_SETUP_IPP_MASK 0x00000020
34 #define USB_CTRL_SETUP_BABO_MASK 0x00000001
35 #define USB_CTRL_SETUP_FNHW_MASK 0x00000002
36 #define USB_CTRL_SETUP_FNBO_MASK 0x00000004
37 #define USB_CTRL_SETUP_WABO_MASK 0x00000008
38 #define USB_CTRL_SETUP_SCB_CLIENT_SWAP_MASK 0x00002000 /* option */
39 #define USB_CTRL_SETUP_SCB1_EN_MASK 0x00004000 /* option */
40 #define USB_CTRL_SETUP_SCB2_EN_MASK 0x00008000 /* option */
41 #define USB_CTRL_SETUP_SS_EHCI64BIT_EN_MASK 0X00020000 /* option */
42 #define USB_CTRL_SETUP_SS_EHCI64BIT_EN_VAR_MASK 0x00010000 /* option */
43 #define USB_CTRL_SETUP_STRAP_IPP_SEL_MASK 0x02000000 /* option */
44 #define USB_CTRL_SETUP_CC_DRD_MODE_ENABLE_MASK 0x04000000 /* option */
45 #define USB_CTRL_SETUP_STRAP_CC_DRD_MODE_ENABLE_SEL_MASK 0x08000000 /* opt */
46 #define USB_CTRL_SETUP_OC3_DISABLE_MASK 0xc0000000 /* option */
47 #define USB_CTRL_PLL_CTL 0x04
48 #define USB_CTRL_PLL_CTL_PLL_SUSPEND_EN_MASK 0x08000000
49 #define USB_CTRL_PLL_CTL_PLL_RESETB_MASK 0x40000000
50 #define USB_CTRL_PLL_CTL_PLL_IDDQ_PWRDN_MASK 0x80000000 /* option */
51 #define USB_CTRL_EBRIDGE 0x0c
52 #define USB_CTRL_EBRIDGE_ESTOP_SCB_REQ_MASK 0x00020000 /* option */
53 #define USB_CTRL_MDIO 0x14
54 #define USB_CTRL_MDIO2 0x18
55 #define USB_CTRL_UTMI_CTL_1 0x2c
56 #define USB_CTRL_UTMI_CTL_1_POWER_UP_FSM_EN_MASK 0x00000800
57 #define USB_CTRL_UTMI_CTL_1_POWER_UP_FSM_EN_P1_MASK 0x08000000
58 #define USB_CTRL_USB_PM 0x34
59 #define USB_CTRL_USB_PM_BDC_SOFT_RESETB_MASK 0x00800000 /* option */
60 #define USB_CTRL_USB_PM_XHC_SOFT_RESETB_MASK 0x00400000 /* option */
61 #define USB_CTRL_USB_PM_XHC_SOFT_RESETB_VAR_MASK 0x40000000 /* option */
62 #define USB_CTRL_USB_PM_USB_PWRDN_MASK 0x80000000 /* option */
63 #define USB_CTRL_USB_PM_SOFT_RESET_MASK 0x40000000 /* option */
64 #define USB_CTRL_USB_PM_USB20_HC_RESETB_MASK 0x30000000 /* option */
65 #define USB_CTRL_USB_PM_USB20_HC_RESETB_VAR_MASK 0x00300000 /* option */
66 #define USB_CTRL_USB30_CTL1 0x60
67 #define USB_CTRL_USB30_CTL1_PHY3_PLL_SEQ_START_MASK 0x00000010
68 #define USB_CTRL_USB30_CTL1_PHY3_RESETB_MASK 0x00010000
69 #define USB_CTRL_USB30_CTL1_XHC_SOFT_RESETB_MASK 0x00020000 /* option */
70 #define USB_CTRL_USB30_CTL1_USB3_IOC_MASK 0x10000000 /* option */
71 #define USB_CTRL_USB30_CTL1_USB3_IPP_MASK 0x20000000 /* option */
72 #define USB_CTRL_USB30_PCTL 0x70
73 #define USB_CTRL_USB30_PCTL_PHY3_SOFT_RESETB_MASK 0x00000002
74 #define USB_CTRL_USB30_PCTL_PHY3_SOFT_RESETB_P1_MASK 0x00020000
75 #define USB_CTRL_USB_DEVICE_CTL1 0x90
76 #define USB_CTRL_USB_DEVICE_CTL1_PORT_MODE_MASK 0x00000003 /* option */
78 /* Register definitions for the XHCI EC block */
79 #define USB_XHCI_EC_IRAADR 0x658
80 #define USB_XHCI_EC_IRADAT 0x65c
82 enum brcm_family_type {
83 BRCM_FAMILY_3390A0,
84 BRCM_FAMILY_7250B0,
85 BRCM_FAMILY_7271A0,
86 BRCM_FAMILY_7364A0,
87 BRCM_FAMILY_7366C0,
88 BRCM_FAMILY_74371A0,
89 BRCM_FAMILY_7439B0,
90 BRCM_FAMILY_7445D0,
91 BRCM_FAMILY_7260A0,
92 BRCM_FAMILY_7278A0,
93 BRCM_FAMILY_COUNT,
96 #define USB_BRCM_FAMILY(chip) \
97 [BRCM_FAMILY_##chip] = __stringify(chip)
99 static const char *family_names[BRCM_FAMILY_COUNT] = {
100 USB_BRCM_FAMILY(3390A0),
101 USB_BRCM_FAMILY(7250B0),
102 USB_BRCM_FAMILY(7271A0),
103 USB_BRCM_FAMILY(7364A0),
104 USB_BRCM_FAMILY(7366C0),
105 USB_BRCM_FAMILY(74371A0),
106 USB_BRCM_FAMILY(7439B0),
107 USB_BRCM_FAMILY(7445D0),
108 USB_BRCM_FAMILY(7260A0),
109 USB_BRCM_FAMILY(7278A0),
112 enum {
113 USB_CTRL_SETUP_SCB1_EN_SELECTOR,
114 USB_CTRL_SETUP_SCB2_EN_SELECTOR,
115 USB_CTRL_SETUP_SS_EHCI64BIT_EN_SELECTOR,
116 USB_CTRL_SETUP_STRAP_IPP_SEL_SELECTOR,
117 USB_CTRL_SETUP_OC3_DISABLE_SELECTOR,
118 USB_CTRL_PLL_CTL_PLL_IDDQ_PWRDN_SELECTOR,
119 USB_CTRL_EBRIDGE_ESTOP_SCB_REQ_SELECTOR,
120 USB_CTRL_USB_PM_BDC_SOFT_RESETB_SELECTOR,
121 USB_CTRL_USB_PM_XHC_SOFT_RESETB_SELECTOR,
122 USB_CTRL_USB_PM_USB_PWRDN_SELECTOR,
123 USB_CTRL_USB30_CTL1_XHC_SOFT_RESETB_SELECTOR,
124 USB_CTRL_USB30_CTL1_USB3_IOC_SELECTOR,
125 USB_CTRL_USB30_CTL1_USB3_IPP_SELECTOR,
126 USB_CTRL_USB_DEVICE_CTL1_PORT_MODE_SELECTOR,
127 USB_CTRL_USB_PM_SOFT_RESET_SELECTOR,
128 USB_CTRL_SETUP_CC_DRD_MODE_ENABLE_SELECTOR,
129 USB_CTRL_SETUP_STRAP_CC_DRD_MODE_ENABLE_SEL_SELECTOR,
130 USB_CTRL_USB_PM_USB20_HC_RESETB_SELECTOR,
131 USB_CTRL_SETUP_ENDIAN_SELECTOR,
132 USB_CTRL_SELECTOR_COUNT,
135 #define USB_CTRL_REG(base, reg) ((void *)base + USB_CTRL_##reg)
136 #define USB_XHCI_EC_REG(base, reg) ((void *)base + USB_XHCI_EC_##reg)
137 #define USB_CTRL_MASK(reg, field) \
138 USB_CTRL_##reg##_##field##_MASK
139 #define USB_CTRL_MASK_FAMILY(params, reg, field) \
140 (params->usb_reg_bits_map[USB_CTRL_##reg##_##field##_SELECTOR])
142 #define USB_CTRL_SET_FAMILY(params, reg, field) \
143 usb_ctrl_set_family(params, USB_CTRL_##reg, \
144 USB_CTRL_##reg##_##field##_SELECTOR)
145 #define USB_CTRL_UNSET_FAMILY(params, reg, field) \
146 usb_ctrl_unset_family(params, USB_CTRL_##reg, \
147 USB_CTRL_##reg##_##field##_SELECTOR)
149 #define USB_CTRL_SET(base, reg, field) \
150 usb_ctrl_set(USB_CTRL_REG(base, reg), \
151 USB_CTRL_##reg##_##field##_MASK)
152 #define USB_CTRL_UNSET(base, reg, field) \
153 usb_ctrl_unset(USB_CTRL_REG(base, reg), \
154 USB_CTRL_##reg##_##field##_MASK)
156 #define MDIO_USB2 0
157 #define MDIO_USB3 BIT(31)
159 #define USB_CTRL_SETUP_ENDIAN_BITS ( \
160 USB_CTRL_MASK(SETUP, BABO) | \
161 USB_CTRL_MASK(SETUP, FNHW) | \
162 USB_CTRL_MASK(SETUP, FNBO) | \
163 USB_CTRL_MASK(SETUP, WABO))
165 #ifdef __LITTLE_ENDIAN
166 #define ENDIAN_SETTINGS ( \
167 USB_CTRL_MASK(SETUP, BABO) | \
168 USB_CTRL_MASK(SETUP, FNHW))
169 #else
170 #define ENDIAN_SETTINGS ( \
171 USB_CTRL_MASK(SETUP, FNHW) | \
172 USB_CTRL_MASK(SETUP, FNBO) | \
173 USB_CTRL_MASK(SETUP, WABO))
174 #endif
176 struct id_to_type {
177 u32 id;
178 int type;
181 static const struct id_to_type id_to_type_table[] = {
182 { 0x33900000, BRCM_FAMILY_3390A0 },
183 { 0x72500010, BRCM_FAMILY_7250B0 },
184 { 0x72600000, BRCM_FAMILY_7260A0 },
185 { 0x72680000, BRCM_FAMILY_7271A0 },
186 { 0x72710000, BRCM_FAMILY_7271A0 },
187 { 0x73640000, BRCM_FAMILY_7364A0 },
188 { 0x73660020, BRCM_FAMILY_7366C0 },
189 { 0x07437100, BRCM_FAMILY_74371A0 },
190 { 0x74390010, BRCM_FAMILY_7439B0 },
191 { 0x74450030, BRCM_FAMILY_7445D0 },
192 { 0x72780000, BRCM_FAMILY_7278A0 },
193 { 0, BRCM_FAMILY_7271A0 }, /* default */
196 static const u32
197 usb_reg_bits_map_table[BRCM_FAMILY_COUNT][USB_CTRL_SELECTOR_COUNT] = {
198 /* 3390B0 */
199 [BRCM_FAMILY_3390A0] = {
200 USB_CTRL_SETUP_SCB1_EN_MASK,
201 USB_CTRL_SETUP_SCB2_EN_MASK,
202 USB_CTRL_SETUP_SS_EHCI64BIT_EN_MASK,
203 USB_CTRL_SETUP_STRAP_IPP_SEL_MASK,
204 USB_CTRL_SETUP_OC3_DISABLE_MASK,
205 0, /* USB_CTRL_PLL_CTL_PLL_IDDQ_PWRDN_MASK */
206 USB_CTRL_EBRIDGE_ESTOP_SCB_REQ_MASK,
207 0, /* USB_CTRL_USB_PM_BDC_SOFT_RESETB_MASK */
208 USB_CTRL_USB_PM_XHC_SOFT_RESETB_MASK,
209 USB_CTRL_USB_PM_USB_PWRDN_MASK,
210 0, /* USB_CTRL_USB30_CTL1_XHC_SOFT_RESETB_MASK */
211 0, /* USB_CTRL_USB30_CTL1_USB3_IOC_MASK */
212 0, /* USB_CTRL_USB30_CTL1_USB3_IPP_MASK */
213 USB_CTRL_USB_DEVICE_CTL1_PORT_MODE_MASK,
214 0, /* USB_CTRL_USB_PM_SOFT_RESET_MASK */
215 0, /* USB_CTRL_SETUP_CC_DRD_MODE_ENABLE_MASK */
216 0, /* USB_CTRL_SETUP_STRAP_CC_DRD_MODE_ENABLE_SEL_MASK */
217 USB_CTRL_USB_PM_USB20_HC_RESETB_VAR_MASK,
218 ENDIAN_SETTINGS, /* USB_CTRL_SETUP ENDIAN bits */
220 /* 7250b0 */
221 [BRCM_FAMILY_7250B0] = {
222 USB_CTRL_SETUP_SCB1_EN_MASK,
223 USB_CTRL_SETUP_SCB2_EN_MASK,
224 USB_CTRL_SETUP_SS_EHCI64BIT_EN_MASK,
225 0, /* USB_CTRL_SETUP_STRAP_IPP_SEL_MASK */
226 USB_CTRL_SETUP_OC3_DISABLE_MASK,
227 USB_CTRL_PLL_CTL_PLL_IDDQ_PWRDN_MASK,
228 USB_CTRL_EBRIDGE_ESTOP_SCB_REQ_MASK,
229 0, /* USB_CTRL_USB_PM_BDC_SOFT_RESETB_MASK */
230 USB_CTRL_USB_PM_XHC_SOFT_RESETB_VAR_MASK,
231 0, /* USB_CTRL_USB_PM_USB_PWRDN_MASK */
232 0, /* USB_CTRL_USB30_CTL1_XHC_SOFT_RESETB_MASK */
233 0, /* USB_CTRL_USB30_CTL1_USB3_IOC_MASK */
234 0, /* USB_CTRL_USB30_CTL1_USB3_IPP_MASK */
235 0, /* USB_CTRL_USB_DEVICE_CTL1_PORT_MODE_MASK */
236 0, /* USB_CTRL_USB_PM_SOFT_RESET_MASK */
237 0, /* USB_CTRL_SETUP_CC_DRD_MODE_ENABLE_MASK */
238 0, /* USB_CTRL_SETUP_STRAP_CC_DRD_MODE_ENABLE_SEL_MASK */
239 USB_CTRL_USB_PM_USB20_HC_RESETB_MASK,
240 ENDIAN_SETTINGS, /* USB_CTRL_SETUP ENDIAN bits */
242 /* 7271a0 */
243 [BRCM_FAMILY_7271A0] = {
244 0, /* USB_CTRL_SETUP_SCB1_EN_MASK */
245 0, /* USB_CTRL_SETUP_SCB2_EN_MASK */
246 USB_CTRL_SETUP_SS_EHCI64BIT_EN_MASK,
247 USB_CTRL_SETUP_STRAP_IPP_SEL_MASK,
248 USB_CTRL_SETUP_OC3_DISABLE_MASK,
249 0, /* USB_CTRL_PLL_CTL_PLL_IDDQ_PWRDN_MASK */
250 USB_CTRL_EBRIDGE_ESTOP_SCB_REQ_MASK,
251 USB_CTRL_USB_PM_BDC_SOFT_RESETB_MASK,
252 USB_CTRL_USB_PM_XHC_SOFT_RESETB_MASK,
253 USB_CTRL_USB_PM_USB_PWRDN_MASK,
254 0, /* USB_CTRL_USB30_CTL1_XHC_SOFT_RESETB_MASK */
255 0, /* USB_CTRL_USB30_CTL1_USB3_IOC_MASK */
256 0, /* USB_CTRL_USB30_CTL1_USB3_IPP_MASK */
257 USB_CTRL_USB_DEVICE_CTL1_PORT_MODE_MASK,
258 USB_CTRL_USB_PM_SOFT_RESET_MASK,
259 USB_CTRL_SETUP_CC_DRD_MODE_ENABLE_MASK,
260 USB_CTRL_SETUP_STRAP_CC_DRD_MODE_ENABLE_SEL_MASK,
261 USB_CTRL_USB_PM_USB20_HC_RESETB_VAR_MASK,
262 ENDIAN_SETTINGS, /* USB_CTRL_SETUP ENDIAN bits */
264 /* 7364a0 */
265 [BRCM_FAMILY_7364A0] = {
266 USB_CTRL_SETUP_SCB1_EN_MASK,
267 USB_CTRL_SETUP_SCB2_EN_MASK,
268 USB_CTRL_SETUP_SS_EHCI64BIT_EN_MASK,
269 0, /* USB_CTRL_SETUP_STRAP_IPP_SEL_MASK */
270 USB_CTRL_SETUP_OC3_DISABLE_MASK,
271 USB_CTRL_PLL_CTL_PLL_IDDQ_PWRDN_MASK,
272 USB_CTRL_EBRIDGE_ESTOP_SCB_REQ_MASK,
273 0, /* USB_CTRL_USB_PM_BDC_SOFT_RESETB_MASK */
274 USB_CTRL_USB_PM_XHC_SOFT_RESETB_VAR_MASK,
275 0, /* USB_CTRL_USB_PM_USB_PWRDN_MASK */
276 0, /* USB_CTRL_USB30_CTL1_XHC_SOFT_RESETB_MASK */
277 0, /* USB_CTRL_USB30_CTL1_USB3_IOC_MASK */
278 0, /* USB_CTRL_USB30_CTL1_USB3_IPP_MASK */
279 0, /* USB_CTRL_USB_DEVICE_CTL1_PORT_MODE_MASK */
280 0, /* USB_CTRL_USB_PM_SOFT_RESET_MASK */
281 0, /* USB_CTRL_SETUP_CC_DRD_MODE_ENABLE_MASK */
282 0, /* USB_CTRL_SETUP_STRAP_CC_DRD_MODE_ENABLE_SEL_MASK */
283 USB_CTRL_USB_PM_USB20_HC_RESETB_MASK,
284 ENDIAN_SETTINGS, /* USB_CTRL_SETUP ENDIAN bits */
286 /* 7366c0 */
287 [BRCM_FAMILY_7366C0] = {
288 USB_CTRL_SETUP_SCB1_EN_MASK,
289 USB_CTRL_SETUP_SCB2_EN_MASK,
290 USB_CTRL_SETUP_SS_EHCI64BIT_EN_MASK,
291 0, /* USB_CTRL_SETUP_STRAP_IPP_SEL_MASK */
292 USB_CTRL_SETUP_OC3_DISABLE_MASK,
293 0, /* USB_CTRL_PLL_CTL_PLL_IDDQ_PWRDN_MASK */
294 USB_CTRL_EBRIDGE_ESTOP_SCB_REQ_MASK,
295 0, /* USB_CTRL_USB_PM_BDC_SOFT_RESETB_MASK */
296 USB_CTRL_USB_PM_XHC_SOFT_RESETB_VAR_MASK,
297 USB_CTRL_USB_PM_USB_PWRDN_MASK,
298 0, /* USB_CTRL_USB30_CTL1_XHC_SOFT_RESETB_MASK */
299 0, /* USB_CTRL_USB30_CTL1_USB3_IOC_MASK */
300 0, /* USB_CTRL_USB30_CTL1_USB3_IPP_MASK */
301 0, /* USB_CTRL_USB_DEVICE_CTL1_PORT_MODE_MASK */
302 0, /* USB_CTRL_USB_PM_SOFT_RESET_MASK */
303 0, /* USB_CTRL_SETUP_CC_DRD_MODE_ENABLE_MASK */
304 0, /* USB_CTRL_SETUP_STRAP_CC_DRD_MODE_ENABLE_SEL_MASK */
305 USB_CTRL_USB_PM_USB20_HC_RESETB_MASK,
306 ENDIAN_SETTINGS, /* USB_CTRL_SETUP ENDIAN bits */
308 /* 74371A0 */
309 [BRCM_FAMILY_74371A0] = {
310 USB_CTRL_SETUP_SCB1_EN_MASK,
311 USB_CTRL_SETUP_SCB2_EN_MASK,
312 USB_CTRL_SETUP_SS_EHCI64BIT_EN_VAR_MASK,
313 0, /* USB_CTRL_SETUP_STRAP_IPP_SEL_MASK */
314 0, /* USB_CTRL_SETUP_OC3_DISABLE_MASK */
315 USB_CTRL_PLL_CTL_PLL_IDDQ_PWRDN_MASK,
316 0, /* USB_CTRL_EBRIDGE_ESTOP_SCB_REQ_MASK */
317 0, /* USB_CTRL_USB_PM_BDC_SOFT_RESETB_MASK */
318 0, /* USB_CTRL_USB_PM_XHC_SOFT_RESETB_MASK */
319 0, /* USB_CTRL_USB_PM_USB_PWRDN_MASK */
320 USB_CTRL_USB30_CTL1_XHC_SOFT_RESETB_MASK,
321 USB_CTRL_USB30_CTL1_USB3_IOC_MASK,
322 USB_CTRL_USB30_CTL1_USB3_IPP_MASK,
323 0, /* USB_CTRL_USB_DEVICE_CTL1_PORT_MODE_MASK */
324 0, /* USB_CTRL_USB_PM_SOFT_RESET_MASK */
325 0, /* USB_CTRL_SETUP_CC_DRD_MODE_ENABLE_MASK */
326 0, /* USB_CTRL_SETUP_STRAP_CC_DRD_MODE_ENABLE_SEL_MASK */
327 0, /* USB_CTRL_USB_PM_USB20_HC_RESETB_MASK */
328 ENDIAN_SETTINGS, /* USB_CTRL_SETUP ENDIAN bits */
330 /* 7439B0 */
331 [BRCM_FAMILY_7439B0] = {
332 USB_CTRL_SETUP_SCB1_EN_MASK,
333 USB_CTRL_SETUP_SCB2_EN_MASK,
334 USB_CTRL_SETUP_SS_EHCI64BIT_EN_MASK,
335 USB_CTRL_SETUP_STRAP_IPP_SEL_MASK,
336 USB_CTRL_SETUP_OC3_DISABLE_MASK,
337 0, /* USB_CTRL_PLL_CTL_PLL_IDDQ_PWRDN_MASK */
338 0, /* USB_CTRL_EBRIDGE_ESTOP_SCB_REQ_MASK */
339 USB_CTRL_USB_PM_BDC_SOFT_RESETB_MASK,
340 USB_CTRL_USB_PM_XHC_SOFT_RESETB_MASK,
341 USB_CTRL_USB_PM_USB_PWRDN_MASK,
342 0, /* USB_CTRL_USB30_CTL1_XHC_SOFT_RESETB_MASK */
343 0, /* USB_CTRL_USB30_CTL1_USB3_IOC_MASK */
344 0, /* USB_CTRL_USB30_CTL1_USB3_IPP_MASK */
345 USB_CTRL_USB_DEVICE_CTL1_PORT_MODE_MASK,
346 0, /* USB_CTRL_USB_PM_SOFT_RESET_MASK */
347 0, /* USB_CTRL_SETUP_CC_DRD_MODE_ENABLE_MASK */
348 0, /* USB_CTRL_SETUP_STRAP_CC_DRD_MODE_ENABLE_SEL_MASK */
349 USB_CTRL_USB_PM_USB20_HC_RESETB_VAR_MASK,
350 ENDIAN_SETTINGS, /* USB_CTRL_SETUP ENDIAN bits */
352 /* 7445d0 */
353 [BRCM_FAMILY_7445D0] = {
354 USB_CTRL_SETUP_SCB1_EN_MASK,
355 USB_CTRL_SETUP_SCB2_EN_MASK,
356 USB_CTRL_SETUP_SS_EHCI64BIT_EN_VAR_MASK,
357 0, /* USB_CTRL_SETUP_STRAP_IPP_SEL_MASK */
358 USB_CTRL_SETUP_OC3_DISABLE_MASK,
359 USB_CTRL_PLL_CTL_PLL_IDDQ_PWRDN_MASK,
360 0, /* USB_CTRL_EBRIDGE_ESTOP_SCB_REQ_MASK */
361 0, /* USB_CTRL_USB_PM_BDC_SOFT_RESETB_MASK */
362 0, /* USB_CTRL_USB_PM_XHC_SOFT_RESETB_MASK */
363 0, /* USB_CTRL_USB_PM_USB_PWRDN_MASK */
364 USB_CTRL_USB30_CTL1_XHC_SOFT_RESETB_MASK,
365 0, /* USB_CTRL_USB30_CTL1_USB3_IOC_MASK */
366 0, /* USB_CTRL_USB30_CTL1_USB3_IPP_MASK */
367 0, /* USB_CTRL_USB_DEVICE_CTL1_PORT_MODE_MASK */
368 0, /* USB_CTRL_USB_PM_SOFT_RESET_MASK */
369 0, /* USB_CTRL_SETUP_CC_DRD_MODE_ENABLE_MASK */
370 0, /* USB_CTRL_SETUP_STRAP_CC_DRD_MODE_ENABLE_SEL_MASK */
371 USB_CTRL_USB_PM_USB20_HC_RESETB_VAR_MASK,
372 ENDIAN_SETTINGS, /* USB_CTRL_SETUP ENDIAN bits */
374 /* 7260a0 */
375 [BRCM_FAMILY_7260A0] = {
376 0, /* USB_CTRL_SETUP_SCB1_EN_MASK */
377 0, /* USB_CTRL_SETUP_SCB2_EN_MASK */
378 USB_CTRL_SETUP_SS_EHCI64BIT_EN_MASK,
379 USB_CTRL_SETUP_STRAP_IPP_SEL_MASK,
380 USB_CTRL_SETUP_OC3_DISABLE_MASK,
381 0, /* USB_CTRL_PLL_CTL_PLL_IDDQ_PWRDN_MASK */
382 USB_CTRL_EBRIDGE_ESTOP_SCB_REQ_MASK,
383 USB_CTRL_USB_PM_BDC_SOFT_RESETB_MASK,
384 USB_CTRL_USB_PM_XHC_SOFT_RESETB_MASK,
385 USB_CTRL_USB_PM_USB_PWRDN_MASK,
386 0, /* USB_CTRL_USB30_CTL1_XHC_SOFT_RESETB_MASK */
387 0, /* USB_CTRL_USB30_CTL1_USB3_IOC_MASK */
388 0, /* USB_CTRL_USB30_CTL1_USB3_IPP_MASK */
389 USB_CTRL_USB_DEVICE_CTL1_PORT_MODE_MASK,
390 USB_CTRL_USB_PM_SOFT_RESET_MASK,
391 USB_CTRL_SETUP_CC_DRD_MODE_ENABLE_MASK,
392 USB_CTRL_SETUP_STRAP_CC_DRD_MODE_ENABLE_SEL_MASK,
393 USB_CTRL_USB_PM_USB20_HC_RESETB_VAR_MASK,
394 ENDIAN_SETTINGS, /* USB_CTRL_SETUP ENDIAN bits */
396 /* 7278a0 */
397 [BRCM_FAMILY_7278A0] = {
398 0, /* USB_CTRL_SETUP_SCB1_EN_MASK */
399 0, /* USB_CTRL_SETUP_SCB2_EN_MASK */
400 0, /*USB_CTRL_SETUP_SS_EHCI64BIT_EN_MASK */
401 USB_CTRL_SETUP_STRAP_IPP_SEL_MASK,
402 USB_CTRL_SETUP_OC3_DISABLE_MASK,
403 0, /* USB_CTRL_PLL_CTL_PLL_IDDQ_PWRDN_MASK */
404 USB_CTRL_EBRIDGE_ESTOP_SCB_REQ_MASK,
405 USB_CTRL_USB_PM_BDC_SOFT_RESETB_MASK,
406 USB_CTRL_USB_PM_XHC_SOFT_RESETB_MASK,
407 USB_CTRL_USB_PM_USB_PWRDN_MASK,
408 0, /* USB_CTRL_USB30_CTL1_XHC_SOFT_RESETB_MASK */
409 0, /* USB_CTRL_USB30_CTL1_USB3_IOC_MASK */
410 0, /* USB_CTRL_USB30_CTL1_USB3_IPP_MASK */
411 USB_CTRL_USB_DEVICE_CTL1_PORT_MODE_MASK,
412 USB_CTRL_USB_PM_SOFT_RESET_MASK,
413 0, /* USB_CTRL_SETUP_CC_DRD_MODE_ENABLE_MASK */
414 0, /* USB_CTRL_SETUP_STRAP_CC_DRD_MODE_ENABLE_SEL_MASK */
415 0, /* USB_CTRL_USB_PM_USB20_HC_RESETB_MASK */
416 0, /* USB_CTRL_SETUP ENDIAN bits */
420 static inline u32 brcmusb_readl(void __iomem *addr)
422 return readl(addr);
425 static inline void brcmusb_writel(u32 val, void __iomem *addr)
427 writel(val, addr);
430 static inline
431 void usb_ctrl_unset_family(struct brcm_usb_init_params *params,
432 u32 reg_offset, u32 field)
434 u32 mask;
435 void *reg;
437 mask = params->usb_reg_bits_map[field];
438 reg = params->ctrl_regs + reg_offset;
439 brcmusb_writel(brcmusb_readl(reg) & ~mask, reg);
442 static inline
443 void usb_ctrl_set_family(struct brcm_usb_init_params *params,
444 u32 reg_offset, u32 field)
446 u32 mask;
447 void *reg;
449 mask = params->usb_reg_bits_map[field];
450 reg = params->ctrl_regs + reg_offset;
451 brcmusb_writel(brcmusb_readl(reg) | mask, reg);
454 static inline void usb_ctrl_set(void __iomem *reg, u32 field)
456 u32 value;
458 value = brcmusb_readl(reg);
459 brcmusb_writel(value | field, reg);
462 static inline void usb_ctrl_unset(void __iomem *reg, u32 field)
464 u32 value;
466 value = brcmusb_readl(reg);
467 brcmusb_writel(value & ~field, reg);
470 static u32 brcmusb_usb_mdio_read(void __iomem *ctrl_base, u32 reg, int mode)
472 u32 data;
474 data = (reg << 16) | mode;
475 brcmusb_writel(data, USB_CTRL_REG(ctrl_base, MDIO));
476 data |= (1 << 24);
477 brcmusb_writel(data, USB_CTRL_REG(ctrl_base, MDIO));
478 data &= ~(1 << 24);
479 /* wait for the 60MHz parallel to serial shifter */
480 usleep_range(10, 20);
481 brcmusb_writel(data, USB_CTRL_REG(ctrl_base, MDIO));
482 /* wait for the 60MHz parallel to serial shifter */
483 usleep_range(10, 20);
485 return brcmusb_readl(USB_CTRL_REG(ctrl_base, MDIO2)) & 0xffff;
488 static void brcmusb_usb_mdio_write(void __iomem *ctrl_base, u32 reg,
489 u32 val, int mode)
491 u32 data;
493 data = (reg << 16) | val | mode;
494 brcmusb_writel(data, USB_CTRL_REG(ctrl_base, MDIO));
495 data |= (1 << 25);
496 brcmusb_writel(data, USB_CTRL_REG(ctrl_base, MDIO));
497 data &= ~(1 << 25);
499 /* wait for the 60MHz parallel to serial shifter */
500 usleep_range(10, 20);
501 brcmusb_writel(data, USB_CTRL_REG(ctrl_base, MDIO));
502 /* wait for the 60MHz parallel to serial shifter */
503 usleep_range(10, 20);
506 static void brcmusb_usb_phy_ldo_fix(void __iomem *ctrl_base)
508 /* first disable FSM but also leave it that way */
509 /* to allow normal suspend/resume */
510 USB_CTRL_UNSET(ctrl_base, UTMI_CTL_1, POWER_UP_FSM_EN);
511 USB_CTRL_UNSET(ctrl_base, UTMI_CTL_1, POWER_UP_FSM_EN_P1);
513 /* reset USB 2.0 PLL */
514 USB_CTRL_UNSET(ctrl_base, PLL_CTL, PLL_RESETB);
515 /* PLL reset period */
516 udelay(1);
517 USB_CTRL_SET(ctrl_base, PLL_CTL, PLL_RESETB);
518 /* Give PLL enough time to lock */
519 usleep_range(1000, 2000);
522 static void brcmusb_usb2_eye_fix(void __iomem *ctrl_base)
524 /* Increase USB 2.0 TX level to meet spec requirement */
525 brcmusb_usb_mdio_write(ctrl_base, 0x1f, 0x80a0, MDIO_USB2);
526 brcmusb_usb_mdio_write(ctrl_base, 0x0a, 0xc6a0, MDIO_USB2);
529 static void brcmusb_usb3_pll_fix(void __iomem *ctrl_base)
531 /* Set correct window for PLL lock detect */
532 brcmusb_usb_mdio_write(ctrl_base, 0x1f, 0x8000, MDIO_USB3);
533 brcmusb_usb_mdio_write(ctrl_base, 0x07, 0x1503, MDIO_USB3);
536 static void brcmusb_usb3_enable_pipe_reset(void __iomem *ctrl_base)
538 u32 val;
540 /* Re-enable USB 3.0 pipe reset */
541 brcmusb_usb_mdio_write(ctrl_base, 0x1f, 0x8000, MDIO_USB3);
542 val = brcmusb_usb_mdio_read(ctrl_base, 0x0f, MDIO_USB3) | 0x200;
543 brcmusb_usb_mdio_write(ctrl_base, 0x0f, val, MDIO_USB3);
546 static void brcmusb_usb3_enable_sigdet(void __iomem *ctrl_base)
548 u32 val, ofs;
549 int ii;
551 ofs = 0;
552 for (ii = 0; ii < PHY_PORTS; ++ii) {
553 /* Set correct default for sigdet */
554 brcmusb_usb_mdio_write(ctrl_base, 0x1f, (0x8080 + ofs),
555 MDIO_USB3);
556 val = brcmusb_usb_mdio_read(ctrl_base, 0x05, MDIO_USB3);
557 val = (val & ~0x800f) | 0x800d;
558 brcmusb_usb_mdio_write(ctrl_base, 0x05, val, MDIO_USB3);
559 ofs = PHY_PORT_SELECT_1;
563 static void brcmusb_usb3_enable_skip_align(void __iomem *ctrl_base)
565 u32 val, ofs;
566 int ii;
568 ofs = 0;
569 for (ii = 0; ii < PHY_PORTS; ++ii) {
570 /* Set correct default for SKIP align */
571 brcmusb_usb_mdio_write(ctrl_base, 0x1f, (0x8060 + ofs),
572 MDIO_USB3);
573 val = brcmusb_usb_mdio_read(ctrl_base, 0x01, MDIO_USB3) | 0x200;
574 brcmusb_usb_mdio_write(ctrl_base, 0x01, val, MDIO_USB3);
575 ofs = PHY_PORT_SELECT_1;
579 static void brcmusb_usb3_unfreeze_aeq(void __iomem *ctrl_base)
581 u32 val, ofs;
582 int ii;
584 ofs = 0;
585 for (ii = 0; ii < PHY_PORTS; ++ii) {
586 /* Let EQ freeze after TSEQ */
587 brcmusb_usb_mdio_write(ctrl_base, 0x1f, (0x80e0 + ofs),
588 MDIO_USB3);
589 val = brcmusb_usb_mdio_read(ctrl_base, 0x01, MDIO_USB3);
590 val &= ~0x0008;
591 brcmusb_usb_mdio_write(ctrl_base, 0x01, val, MDIO_USB3);
592 ofs = PHY_PORT_SELECT_1;
596 static void brcmusb_usb3_pll_54mhz(struct brcm_usb_init_params *params)
598 u32 ofs;
599 int ii;
600 void __iomem *ctrl_base = params->ctrl_regs;
603 * On newer B53 based SoC's, the reference clock for the
604 * 3.0 PLL has been changed from 50MHz to 54MHz so the
605 * PLL needs to be reprogrammed.
606 * See SWLINUX-4006.
608 * On the 7364C0, the reference clock for the
609 * 3.0 PLL has been changed from 50MHz to 54MHz to
610 * work around a MOCA issue.
611 * See SWLINUX-4169.
613 switch (params->selected_family) {
614 case BRCM_FAMILY_3390A0:
615 case BRCM_FAMILY_7250B0:
616 case BRCM_FAMILY_7366C0:
617 case BRCM_FAMILY_74371A0:
618 case BRCM_FAMILY_7439B0:
619 case BRCM_FAMILY_7445D0:
620 case BRCM_FAMILY_7260A0:
621 return;
622 case BRCM_FAMILY_7364A0:
623 if (BRCM_REV(params->family_id) < 0x20)
624 return;
625 break;
628 /* set USB 3.0 PLL to accept 54Mhz reference clock */
629 USB_CTRL_UNSET(ctrl_base, USB30_CTL1, PHY3_PLL_SEQ_START);
631 brcmusb_usb_mdio_write(ctrl_base, 0x1f, 0x8000, MDIO_USB3);
632 brcmusb_usb_mdio_write(ctrl_base, 0x10, 0x5784, MDIO_USB3);
633 brcmusb_usb_mdio_write(ctrl_base, 0x11, 0x01d0, MDIO_USB3);
634 brcmusb_usb_mdio_write(ctrl_base, 0x12, 0x1DE8, MDIO_USB3);
635 brcmusb_usb_mdio_write(ctrl_base, 0x13, 0xAA80, MDIO_USB3);
636 brcmusb_usb_mdio_write(ctrl_base, 0x14, 0x8826, MDIO_USB3);
637 brcmusb_usb_mdio_write(ctrl_base, 0x15, 0x0044, MDIO_USB3);
638 brcmusb_usb_mdio_write(ctrl_base, 0x16, 0x8000, MDIO_USB3);
639 brcmusb_usb_mdio_write(ctrl_base, 0x17, 0x0851, MDIO_USB3);
640 brcmusb_usb_mdio_write(ctrl_base, 0x18, 0x0000, MDIO_USB3);
642 /* both ports */
643 ofs = 0;
644 for (ii = 0; ii < PHY_PORTS; ++ii) {
645 brcmusb_usb_mdio_write(ctrl_base, 0x1f, (0x8040 + ofs),
646 MDIO_USB3);
647 brcmusb_usb_mdio_write(ctrl_base, 0x03, 0x0090, MDIO_USB3);
648 brcmusb_usb_mdio_write(ctrl_base, 0x04, 0x0134, MDIO_USB3);
649 brcmusb_usb_mdio_write(ctrl_base, 0x1f, (0x8020 + ofs),
650 MDIO_USB3);
651 brcmusb_usb_mdio_write(ctrl_base, 0x01, 0x00e2, MDIO_USB3);
652 ofs = PHY_PORT_SELECT_1;
655 /* restart PLL sequence */
656 USB_CTRL_SET(ctrl_base, USB30_CTL1, PHY3_PLL_SEQ_START);
657 /* Give PLL enough time to lock */
658 usleep_range(1000, 2000);
661 static void brcmusb_usb3_ssc_enable(void __iomem *ctrl_base)
663 u32 val;
665 /* Enable USB 3.0 TX spread spectrum */
666 brcmusb_usb_mdio_write(ctrl_base, 0x1f, 0x8040, MDIO_USB3);
667 val = brcmusb_usb_mdio_read(ctrl_base, 0x01, MDIO_USB3) | 0xf;
668 brcmusb_usb_mdio_write(ctrl_base, 0x01, val, MDIO_USB3);
670 /* Currently, USB 3.0 SSC is enabled via port 0 MDIO registers,
671 * which should have been adequate. However, due to a bug in the
672 * USB 3.0 PHY, it must be enabled via both ports (HWUSB3DVT-26).
674 brcmusb_usb_mdio_write(ctrl_base, 0x1f, 0x9040, MDIO_USB3);
675 val = brcmusb_usb_mdio_read(ctrl_base, 0x01, MDIO_USB3) | 0xf;
676 brcmusb_usb_mdio_write(ctrl_base, 0x01, val, MDIO_USB3);
679 static void brcmusb_usb3_phy_workarounds(struct brcm_usb_init_params *params)
681 void __iomem *ctrl_base = params->ctrl_regs;
683 brcmusb_usb3_pll_fix(ctrl_base);
684 brcmusb_usb3_pll_54mhz(params);
685 brcmusb_usb3_ssc_enable(ctrl_base);
686 brcmusb_usb3_enable_pipe_reset(ctrl_base);
687 brcmusb_usb3_enable_sigdet(ctrl_base);
688 brcmusb_usb3_enable_skip_align(ctrl_base);
689 brcmusb_usb3_unfreeze_aeq(ctrl_base);
692 static void brcmusb_memc_fix(struct brcm_usb_init_params *params)
694 u32 prid;
696 if (params->selected_family != BRCM_FAMILY_7445D0)
697 return;
699 * This is a workaround for HW7445-1869 where a DMA write ends up
700 * doing a read pre-fetch after the end of the DMA buffer. This
701 * causes a problem when the DMA buffer is at the end of physical
702 * memory, causing the pre-fetch read to access non-existent memory,
703 * and the chip bondout has MEMC2 disabled. When the pre-fetch read
704 * tries to use the disabled MEMC2, it hangs the bus. The workaround
705 * is to disable MEMC2 access in the usb controller which avoids
706 * the hang.
709 prid = params->product_id & 0xfffff000;
710 switch (prid) {
711 case 0x72520000:
712 case 0x74480000:
713 case 0x74490000:
714 case 0x07252000:
715 case 0x07448000:
716 case 0x07449000:
717 USB_CTRL_UNSET_FAMILY(params, SETUP, SCB2_EN);
721 static void brcmusb_usb3_otp_fix(struct brcm_usb_init_params *params)
723 void __iomem *xhci_ec_base = params->xhci_ec_regs;
724 u32 val;
726 if (params->family_id != 0x74371000 || xhci_ec_base == 0)
727 return;
728 brcmusb_writel(0xa20c, USB_XHCI_EC_REG(xhci_ec_base, IRAADR));
729 val = brcmusb_readl(USB_XHCI_EC_REG(xhci_ec_base, IRADAT));
731 /* set cfg_pick_ss_lock */
732 val |= (1 << 27);
733 brcmusb_writel(val, USB_XHCI_EC_REG(xhci_ec_base, IRADAT));
735 /* Reset USB 3.0 PHY for workaround to take effect */
736 USB_CTRL_UNSET(params->ctrl_regs, USB30_CTL1, PHY3_RESETB);
737 USB_CTRL_SET(params->ctrl_regs, USB30_CTL1, PHY3_RESETB);
740 static void brcmusb_xhci_soft_reset(struct brcm_usb_init_params *params,
741 int on_off)
743 /* Assert reset */
744 if (on_off) {
745 if (USB_CTRL_MASK_FAMILY(params, USB_PM, XHC_SOFT_RESETB))
746 USB_CTRL_UNSET_FAMILY(params, USB_PM, XHC_SOFT_RESETB);
747 else
748 USB_CTRL_UNSET_FAMILY(params,
749 USB30_CTL1, XHC_SOFT_RESETB);
750 } else { /* De-assert reset */
751 if (USB_CTRL_MASK_FAMILY(params, USB_PM, XHC_SOFT_RESETB))
752 USB_CTRL_SET_FAMILY(params, USB_PM, XHC_SOFT_RESETB);
753 else
754 USB_CTRL_SET_FAMILY(params, USB30_CTL1,
755 XHC_SOFT_RESETB);
760 * Return the best map table family. The order is:
761 * - exact match of chip and major rev
762 * - exact match of chip and closest older major rev
763 * - default chip/rev.
764 * NOTE: The minor rev is always ignored.
766 static enum brcm_family_type brcmusb_get_family_type(
767 struct brcm_usb_init_params *params)
769 int last_type = -1;
770 u32 last_family = 0;
771 u32 family_no_major;
772 unsigned int x;
773 u32 family;
775 family = params->family_id & 0xfffffff0;
776 family_no_major = params->family_id & 0xffffff00;
777 for (x = 0; id_to_type_table[x].id; x++) {
778 if (family == id_to_type_table[x].id)
779 return id_to_type_table[x].type;
780 if (family_no_major == (id_to_type_table[x].id & 0xffffff00))
781 if (family > id_to_type_table[x].id &&
782 last_family < id_to_type_table[x].id) {
783 last_family = id_to_type_table[x].id;
784 last_type = id_to_type_table[x].type;
788 /* If no match, return the default family */
789 if (last_type == -1)
790 return id_to_type_table[x].type;
791 return last_type;
794 void brcm_usb_init_ipp(struct brcm_usb_init_params *params)
796 void __iomem *ctrl = params->ctrl_regs;
797 u32 reg;
798 u32 orig_reg;
800 /* Starting with the 7445d0, there are no longer separate 3.0
801 * versions of IOC and IPP.
803 if (USB_CTRL_MASK_FAMILY(params, USB30_CTL1, USB3_IOC)) {
804 if (params->ioc)
805 USB_CTRL_SET_FAMILY(params, USB30_CTL1, USB3_IOC);
806 if (params->ipp == 1)
807 USB_CTRL_SET_FAMILY(params, USB30_CTL1, USB3_IPP);
810 reg = brcmusb_readl(USB_CTRL_REG(ctrl, SETUP));
811 orig_reg = reg;
812 if (USB_CTRL_MASK_FAMILY(params, SETUP, STRAP_CC_DRD_MODE_ENABLE_SEL))
813 /* Never use the strap, it's going away. */
814 reg &= ~(USB_CTRL_MASK_FAMILY(params,
815 SETUP,
816 STRAP_CC_DRD_MODE_ENABLE_SEL));
817 if (USB_CTRL_MASK_FAMILY(params, SETUP, STRAP_IPP_SEL))
818 if (params->ipp != 2)
819 /* override ipp strap pin (if it exits) */
820 reg &= ~(USB_CTRL_MASK_FAMILY(params, SETUP,
821 STRAP_IPP_SEL));
823 /* Override the default OC and PP polarity */
824 reg &= ~(USB_CTRL_MASK(SETUP, IPP) | USB_CTRL_MASK(SETUP, IOC));
825 if (params->ioc)
826 reg |= USB_CTRL_MASK(SETUP, IOC);
827 if (params->ipp == 1 && ((reg & USB_CTRL_MASK(SETUP, IPP)) == 0))
828 reg |= USB_CTRL_MASK(SETUP, IPP);
829 brcmusb_writel(reg, USB_CTRL_REG(ctrl, SETUP));
832 * If we're changing IPP, make sure power is off long enough
833 * to turn off any connected devices.
835 if (reg != orig_reg)
836 msleep(50);
839 int brcm_usb_init_get_dual_select(struct brcm_usb_init_params *params)
841 void __iomem *ctrl = params->ctrl_regs;
842 u32 reg = 0;
844 if (USB_CTRL_MASK_FAMILY(params, USB_DEVICE_CTL1, PORT_MODE)) {
845 reg = brcmusb_readl(USB_CTRL_REG(ctrl, USB_DEVICE_CTL1));
846 reg &= USB_CTRL_MASK_FAMILY(params, USB_DEVICE_CTL1,
847 PORT_MODE);
849 return reg;
852 void brcm_usb_init_set_dual_select(struct brcm_usb_init_params *params,
853 int mode)
855 void __iomem *ctrl = params->ctrl_regs;
856 u32 reg;
858 if (USB_CTRL_MASK_FAMILY(params, USB_DEVICE_CTL1, PORT_MODE)) {
859 reg = brcmusb_readl(USB_CTRL_REG(ctrl, USB_DEVICE_CTL1));
860 reg &= ~USB_CTRL_MASK_FAMILY(params, USB_DEVICE_CTL1,
861 PORT_MODE);
862 reg |= mode;
863 brcmusb_writel(reg, USB_CTRL_REG(ctrl, USB_DEVICE_CTL1));
867 void brcm_usb_init_common(struct brcm_usb_init_params *params)
869 u32 reg;
870 void __iomem *ctrl = params->ctrl_regs;
872 /* Take USB out of power down */
873 if (USB_CTRL_MASK_FAMILY(params, PLL_CTL, PLL_IDDQ_PWRDN)) {
874 USB_CTRL_UNSET_FAMILY(params, PLL_CTL, PLL_IDDQ_PWRDN);
875 /* 1 millisecond - for USB clocks to settle down */
876 usleep_range(1000, 2000);
879 if (USB_CTRL_MASK_FAMILY(params, USB_PM, USB_PWRDN)) {
880 USB_CTRL_UNSET_FAMILY(params, USB_PM, USB_PWRDN);
881 /* 1 millisecond - for USB clocks to settle down */
882 usleep_range(1000, 2000);
885 if (params->selected_family != BRCM_FAMILY_74371A0 &&
886 (BRCM_ID(params->family_id) != 0x7364))
888 * HW7439-637: 7439a0 and its derivatives do not have large
889 * enough descriptor storage for this.
891 USB_CTRL_SET_FAMILY(params, SETUP, SS_EHCI64BIT_EN);
893 /* Block auto PLL suspend by USB2 PHY (Sasi) */
894 USB_CTRL_SET(ctrl, PLL_CTL, PLL_SUSPEND_EN);
896 reg = brcmusb_readl(USB_CTRL_REG(ctrl, SETUP));
897 if (params->selected_family == BRCM_FAMILY_7364A0)
898 /* Suppress overcurrent indication from USB30 ports for A0 */
899 reg |= USB_CTRL_MASK_FAMILY(params, SETUP, OC3_DISABLE);
901 brcmusb_usb_phy_ldo_fix(ctrl);
902 brcmusb_usb2_eye_fix(ctrl);
905 * Make sure the the second and third memory controller
906 * interfaces are enabled if they exist.
908 if (USB_CTRL_MASK_FAMILY(params, SETUP, SCB1_EN))
909 reg |= USB_CTRL_MASK_FAMILY(params, SETUP, SCB1_EN);
910 if (USB_CTRL_MASK_FAMILY(params, SETUP, SCB2_EN))
911 reg |= USB_CTRL_MASK_FAMILY(params, SETUP, SCB2_EN);
912 brcmusb_writel(reg, USB_CTRL_REG(ctrl, SETUP));
914 brcmusb_memc_fix(params);
916 if (USB_CTRL_MASK_FAMILY(params, USB_DEVICE_CTL1, PORT_MODE)) {
917 reg = brcmusb_readl(USB_CTRL_REG(ctrl, USB_DEVICE_CTL1));
918 reg &= ~USB_CTRL_MASK_FAMILY(params, USB_DEVICE_CTL1,
919 PORT_MODE);
920 reg |= params->mode;
921 brcmusb_writel(reg, USB_CTRL_REG(ctrl, USB_DEVICE_CTL1));
923 if (USB_CTRL_MASK_FAMILY(params, USB_PM, BDC_SOFT_RESETB)) {
924 switch (params->mode) {
925 case USB_CTLR_MODE_HOST:
926 USB_CTRL_UNSET_FAMILY(params, USB_PM, BDC_SOFT_RESETB);
927 break;
928 default:
929 USB_CTRL_SET_FAMILY(params, USB_PM, BDC_SOFT_RESETB);
930 break;
933 if (USB_CTRL_MASK_FAMILY(params, SETUP, CC_DRD_MODE_ENABLE)) {
934 if (params->mode == USB_CTLR_MODE_TYPEC_PD)
935 USB_CTRL_SET_FAMILY(params, SETUP, CC_DRD_MODE_ENABLE);
936 else
937 USB_CTRL_UNSET_FAMILY(params, SETUP,
938 CC_DRD_MODE_ENABLE);
942 void brcm_usb_init_eohci(struct brcm_usb_init_params *params)
944 u32 reg;
945 void __iomem *ctrl = params->ctrl_regs;
947 if (USB_CTRL_MASK_FAMILY(params, USB_PM, USB20_HC_RESETB))
948 USB_CTRL_SET_FAMILY(params, USB_PM, USB20_HC_RESETB);
950 if (params->selected_family == BRCM_FAMILY_7366C0)
952 * Don't enable this so the memory controller doesn't read
953 * into memory holes. NOTE: This bit is low true on 7366C0.
955 USB_CTRL_SET_FAMILY(params, EBRIDGE, ESTOP_SCB_REQ);
957 /* Setup the endian bits */
958 reg = brcmusb_readl(USB_CTRL_REG(ctrl, SETUP));
959 reg &= ~USB_CTRL_SETUP_ENDIAN_BITS;
960 reg |= USB_CTRL_MASK_FAMILY(params, SETUP, ENDIAN);
961 brcmusb_writel(reg, USB_CTRL_REG(ctrl, SETUP));
964 void brcm_usb_init_xhci(struct brcm_usb_init_params *params)
966 void __iomem *ctrl = params->ctrl_regs;
968 if (BRCM_ID(params->family_id) == 0x7366) {
970 * The PHY3_SOFT_RESETB bits default to the wrong state.
972 USB_CTRL_SET(ctrl, USB30_PCTL, PHY3_SOFT_RESETB);
973 USB_CTRL_SET(ctrl, USB30_PCTL, PHY3_SOFT_RESETB_P1);
977 * Kick start USB3 PHY
978 * Make sure it's low to insure a rising edge.
980 USB_CTRL_UNSET(ctrl, USB30_CTL1, PHY3_PLL_SEQ_START);
981 USB_CTRL_SET(ctrl, USB30_CTL1, PHY3_PLL_SEQ_START);
983 brcmusb_usb3_phy_workarounds(params);
984 brcmusb_xhci_soft_reset(params, 0);
985 brcmusb_usb3_otp_fix(params);
988 void brcm_usb_uninit_common(struct brcm_usb_init_params *params)
990 if (USB_CTRL_MASK_FAMILY(params, USB_PM, USB_PWRDN))
991 USB_CTRL_SET_FAMILY(params, USB_PM, USB_PWRDN);
993 if (USB_CTRL_MASK_FAMILY(params, PLL_CTL, PLL_IDDQ_PWRDN))
994 USB_CTRL_SET_FAMILY(params, PLL_CTL, PLL_IDDQ_PWRDN);
997 void brcm_usb_uninit_eohci(struct brcm_usb_init_params *params)
999 if (USB_CTRL_MASK_FAMILY(params, USB_PM, USB20_HC_RESETB))
1000 USB_CTRL_UNSET_FAMILY(params, USB_PM, USB20_HC_RESETB);
1003 void brcm_usb_uninit_xhci(struct brcm_usb_init_params *params)
1005 brcmusb_xhci_soft_reset(params, 1);
1008 void brcm_usb_set_family_map(struct brcm_usb_init_params *params)
1010 int fam;
1012 fam = brcmusb_get_family_type(params);
1013 params->selected_family = fam;
1014 params->usb_reg_bits_map =
1015 &usb_reg_bits_map_table[fam][0];
1016 params->family_name = family_names[fam];