David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0-only |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 2 | /* |
| 3 | * phy-brcm-usb-init.c - Broadcom USB Phy chip specific init functions |
| 4 | * |
| 5 | * Copyright (C) 2014-2017 Broadcom |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 6 | */ |
| 7 | |
| 8 | /* |
| 9 | * This module contains USB PHY initialization for power up and S3 resume |
| 10 | */ |
| 11 | |
| 12 | #include <linux/delay.h> |
| 13 | #include <linux/io.h> |
| 14 | |
| 15 | #include <linux/soc/brcmstb/brcmstb.h> |
| 16 | #include "phy-brcm-usb-init.h" |
| 17 | |
| 18 | #define PHY_PORTS 2 |
| 19 | #define PHY_PORT_SELECT_0 0 |
| 20 | #define PHY_PORT_SELECT_1 0x1000 |
| 21 | |
| 22 | /* Register definitions for the USB CTRL block */ |
| 23 | #define USB_CTRL_SETUP 0x00 |
| 24 | #define USB_CTRL_SETUP_IOC_MASK 0x00000010 |
| 25 | #define USB_CTRL_SETUP_IPP_MASK 0x00000020 |
| 26 | #define USB_CTRL_SETUP_BABO_MASK 0x00000001 |
| 27 | #define USB_CTRL_SETUP_FNHW_MASK 0x00000002 |
| 28 | #define USB_CTRL_SETUP_FNBO_MASK 0x00000004 |
| 29 | #define USB_CTRL_SETUP_WABO_MASK 0x00000008 |
| 30 | #define USB_CTRL_SETUP_SCB_CLIENT_SWAP_MASK 0x00002000 /* option */ |
| 31 | #define USB_CTRL_SETUP_SCB1_EN_MASK 0x00004000 /* option */ |
| 32 | #define USB_CTRL_SETUP_SCB2_EN_MASK 0x00008000 /* option */ |
| 33 | #define USB_CTRL_SETUP_SS_EHCI64BIT_EN_MASK 0X00020000 /* option */ |
| 34 | #define USB_CTRL_SETUP_SS_EHCI64BIT_EN_VAR_MASK 0x00010000 /* option */ |
| 35 | #define USB_CTRL_SETUP_STRAP_IPP_SEL_MASK 0x02000000 /* option */ |
| 36 | #define USB_CTRL_SETUP_CC_DRD_MODE_ENABLE_MASK 0x04000000 /* option */ |
| 37 | #define USB_CTRL_SETUP_STRAP_CC_DRD_MODE_ENABLE_SEL_MASK 0x08000000 /* opt */ |
| 38 | #define USB_CTRL_SETUP_OC3_DISABLE_MASK 0xc0000000 /* option */ |
| 39 | #define USB_CTRL_PLL_CTL 0x04 |
| 40 | #define USB_CTRL_PLL_CTL_PLL_SUSPEND_EN_MASK 0x08000000 |
| 41 | #define USB_CTRL_PLL_CTL_PLL_RESETB_MASK 0x40000000 |
| 42 | #define USB_CTRL_PLL_CTL_PLL_IDDQ_PWRDN_MASK 0x80000000 /* option */ |
| 43 | #define USB_CTRL_EBRIDGE 0x0c |
| 44 | #define USB_CTRL_EBRIDGE_ESTOP_SCB_REQ_MASK 0x00020000 /* option */ |
Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 45 | #define USB_CTRL_EBRIDGE_EBR_SCB_SIZE_MASK 0x00000f80 /* option */ |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 46 | #define USB_CTRL_OBRIDGE 0x10 |
| 47 | #define USB_CTRL_OBRIDGE_LS_KEEP_ALIVE_MASK 0x08000000 |
| 48 | #define USB_CTRL_MDIO 0x14 |
| 49 | #define USB_CTRL_MDIO2 0x18 |
| 50 | #define USB_CTRL_UTMI_CTL_1 0x2c |
| 51 | #define USB_CTRL_UTMI_CTL_1_POWER_UP_FSM_EN_MASK 0x00000800 |
| 52 | #define USB_CTRL_UTMI_CTL_1_POWER_UP_FSM_EN_P1_MASK 0x08000000 |
| 53 | #define USB_CTRL_USB_PM 0x34 |
| 54 | #define USB_CTRL_USB_PM_BDC_SOFT_RESETB_MASK 0x00800000 /* option */ |
| 55 | #define USB_CTRL_USB_PM_XHC_SOFT_RESETB_MASK 0x00400000 /* option */ |
| 56 | #define USB_CTRL_USB_PM_XHC_SOFT_RESETB_VAR_MASK 0x40000000 /* option */ |
| 57 | #define USB_CTRL_USB_PM_USB_PWRDN_MASK 0x80000000 /* option */ |
| 58 | #define USB_CTRL_USB_PM_SOFT_RESET_MASK 0x40000000 /* option */ |
| 59 | #define USB_CTRL_USB_PM_USB20_HC_RESETB_MASK 0x30000000 /* option */ |
| 60 | #define USB_CTRL_USB_PM_USB20_HC_RESETB_VAR_MASK 0x00300000 /* option */ |
Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 61 | #define USB_CTRL_USB_PM_RMTWKUP_EN_MASK 0x00000001 |
| 62 | #define USB_CTRL_USB_PM_STATUS 0x38 |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 63 | #define USB_CTRL_USB30_CTL1 0x60 |
| 64 | #define USB_CTRL_USB30_CTL1_PHY3_PLL_SEQ_START_MASK 0x00000010 |
| 65 | #define USB_CTRL_USB30_CTL1_PHY3_RESETB_MASK 0x00010000 |
| 66 | #define USB_CTRL_USB30_CTL1_XHC_SOFT_RESETB_MASK 0x00020000 /* option */ |
| 67 | #define USB_CTRL_USB30_CTL1_USB3_IOC_MASK 0x10000000 /* option */ |
| 68 | #define USB_CTRL_USB30_CTL1_USB3_IPP_MASK 0x20000000 /* option */ |
| 69 | #define USB_CTRL_USB30_PCTL 0x70 |
| 70 | #define USB_CTRL_USB30_PCTL_PHY3_SOFT_RESETB_MASK 0x00000002 |
| 71 | #define USB_CTRL_USB30_PCTL_PHY3_IDDQ_OVERRIDE_MASK 0x00008000 |
| 72 | #define USB_CTRL_USB30_PCTL_PHY3_SOFT_RESETB_P1_MASK 0x00020000 |
| 73 | #define USB_CTRL_USB_DEVICE_CTL1 0x90 |
| 74 | #define USB_CTRL_USB_DEVICE_CTL1_PORT_MODE_MASK 0x00000003 /* option */ |
| 75 | |
| 76 | /* Register definitions for the XHCI EC block */ |
| 77 | #define USB_XHCI_EC_IRAADR 0x658 |
| 78 | #define USB_XHCI_EC_IRADAT 0x65c |
| 79 | |
| 80 | enum brcm_family_type { |
| 81 | BRCM_FAMILY_3390A0, |
| 82 | BRCM_FAMILY_7250B0, |
| 83 | BRCM_FAMILY_7271A0, |
| 84 | BRCM_FAMILY_7364A0, |
| 85 | BRCM_FAMILY_7366C0, |
| 86 | BRCM_FAMILY_74371A0, |
| 87 | BRCM_FAMILY_7439B0, |
| 88 | BRCM_FAMILY_7445D0, |
| 89 | BRCM_FAMILY_7260A0, |
| 90 | BRCM_FAMILY_7278A0, |
| 91 | BRCM_FAMILY_COUNT, |
| 92 | }; |
| 93 | |
| 94 | #define USB_BRCM_FAMILY(chip) \ |
| 95 | [BRCM_FAMILY_##chip] = __stringify(chip) |
| 96 | |
| 97 | static const char *family_names[BRCM_FAMILY_COUNT] = { |
| 98 | USB_BRCM_FAMILY(3390A0), |
| 99 | USB_BRCM_FAMILY(7250B0), |
| 100 | USB_BRCM_FAMILY(7271A0), |
| 101 | USB_BRCM_FAMILY(7364A0), |
| 102 | USB_BRCM_FAMILY(7366C0), |
| 103 | USB_BRCM_FAMILY(74371A0), |
| 104 | USB_BRCM_FAMILY(7439B0), |
| 105 | USB_BRCM_FAMILY(7445D0), |
| 106 | USB_BRCM_FAMILY(7260A0), |
| 107 | USB_BRCM_FAMILY(7278A0), |
| 108 | }; |
| 109 | |
| 110 | enum { |
| 111 | USB_CTRL_SETUP_SCB1_EN_SELECTOR, |
| 112 | USB_CTRL_SETUP_SCB2_EN_SELECTOR, |
| 113 | USB_CTRL_SETUP_SS_EHCI64BIT_EN_SELECTOR, |
| 114 | USB_CTRL_SETUP_STRAP_IPP_SEL_SELECTOR, |
| 115 | USB_CTRL_SETUP_OC3_DISABLE_SELECTOR, |
| 116 | USB_CTRL_PLL_CTL_PLL_IDDQ_PWRDN_SELECTOR, |
| 117 | USB_CTRL_USB_PM_BDC_SOFT_RESETB_SELECTOR, |
| 118 | USB_CTRL_USB_PM_XHC_SOFT_RESETB_SELECTOR, |
| 119 | USB_CTRL_USB_PM_USB_PWRDN_SELECTOR, |
| 120 | USB_CTRL_USB30_CTL1_XHC_SOFT_RESETB_SELECTOR, |
| 121 | USB_CTRL_USB30_CTL1_USB3_IOC_SELECTOR, |
| 122 | USB_CTRL_USB30_CTL1_USB3_IPP_SELECTOR, |
| 123 | USB_CTRL_USB_DEVICE_CTL1_PORT_MODE_SELECTOR, |
| 124 | USB_CTRL_USB_PM_SOFT_RESET_SELECTOR, |
| 125 | USB_CTRL_SETUP_CC_DRD_MODE_ENABLE_SELECTOR, |
| 126 | USB_CTRL_SETUP_STRAP_CC_DRD_MODE_ENABLE_SEL_SELECTOR, |
| 127 | USB_CTRL_USB_PM_USB20_HC_RESETB_SELECTOR, |
| 128 | USB_CTRL_SETUP_ENDIAN_SELECTOR, |
| 129 | USB_CTRL_SELECTOR_COUNT, |
| 130 | }; |
| 131 | |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 132 | #define USB_CTRL_MASK_FAMILY(params, reg, field) \ |
| 133 | (params->usb_reg_bits_map[USB_CTRL_##reg##_##field##_SELECTOR]) |
| 134 | |
| 135 | #define USB_CTRL_SET_FAMILY(params, reg, field) \ |
| 136 | usb_ctrl_set_family(params, USB_CTRL_##reg, \ |
| 137 | USB_CTRL_##reg##_##field##_SELECTOR) |
| 138 | #define USB_CTRL_UNSET_FAMILY(params, reg, field) \ |
| 139 | usb_ctrl_unset_family(params, USB_CTRL_##reg, \ |
| 140 | USB_CTRL_##reg##_##field##_SELECTOR) |
| 141 | |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 142 | #define MDIO_USB2 0 |
| 143 | #define MDIO_USB3 BIT(31) |
| 144 | |
| 145 | #define USB_CTRL_SETUP_ENDIAN_BITS ( \ |
| 146 | USB_CTRL_MASK(SETUP, BABO) | \ |
| 147 | USB_CTRL_MASK(SETUP, FNHW) | \ |
| 148 | USB_CTRL_MASK(SETUP, FNBO) | \ |
| 149 | USB_CTRL_MASK(SETUP, WABO)) |
| 150 | |
| 151 | #ifdef __LITTLE_ENDIAN |
| 152 | #define ENDIAN_SETTINGS ( \ |
| 153 | USB_CTRL_MASK(SETUP, BABO) | \ |
| 154 | USB_CTRL_MASK(SETUP, FNHW)) |
| 155 | #else |
| 156 | #define ENDIAN_SETTINGS ( \ |
| 157 | USB_CTRL_MASK(SETUP, FNHW) | \ |
| 158 | USB_CTRL_MASK(SETUP, FNBO) | \ |
| 159 | USB_CTRL_MASK(SETUP, WABO)) |
| 160 | #endif |
| 161 | |
| 162 | struct id_to_type { |
| 163 | u32 id; |
| 164 | int type; |
| 165 | }; |
| 166 | |
| 167 | static const struct id_to_type id_to_type_table[] = { |
| 168 | { 0x33900000, BRCM_FAMILY_3390A0 }, |
| 169 | { 0x72500010, BRCM_FAMILY_7250B0 }, |
| 170 | { 0x72600000, BRCM_FAMILY_7260A0 }, |
Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 171 | { 0x72550000, BRCM_FAMILY_7260A0 }, |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 172 | { 0x72680000, BRCM_FAMILY_7271A0 }, |
| 173 | { 0x72710000, BRCM_FAMILY_7271A0 }, |
| 174 | { 0x73640000, BRCM_FAMILY_7364A0 }, |
| 175 | { 0x73660020, BRCM_FAMILY_7366C0 }, |
| 176 | { 0x07437100, BRCM_FAMILY_74371A0 }, |
| 177 | { 0x74390010, BRCM_FAMILY_7439B0 }, |
| 178 | { 0x74450030, BRCM_FAMILY_7445D0 }, |
| 179 | { 0x72780000, BRCM_FAMILY_7278A0 }, |
| 180 | { 0, BRCM_FAMILY_7271A0 }, /* default */ |
| 181 | }; |
| 182 | |
| 183 | static const u32 |
| 184 | usb_reg_bits_map_table[BRCM_FAMILY_COUNT][USB_CTRL_SELECTOR_COUNT] = { |
| 185 | /* 3390B0 */ |
| 186 | [BRCM_FAMILY_3390A0] = { |
| 187 | USB_CTRL_SETUP_SCB1_EN_MASK, |
| 188 | USB_CTRL_SETUP_SCB2_EN_MASK, |
| 189 | USB_CTRL_SETUP_SS_EHCI64BIT_EN_MASK, |
| 190 | USB_CTRL_SETUP_STRAP_IPP_SEL_MASK, |
| 191 | USB_CTRL_SETUP_OC3_DISABLE_MASK, |
| 192 | 0, /* USB_CTRL_PLL_CTL_PLL_IDDQ_PWRDN_MASK */ |
| 193 | 0, /* USB_CTRL_USB_PM_BDC_SOFT_RESETB_MASK */ |
| 194 | USB_CTRL_USB_PM_XHC_SOFT_RESETB_MASK, |
| 195 | USB_CTRL_USB_PM_USB_PWRDN_MASK, |
| 196 | 0, /* USB_CTRL_USB30_CTL1_XHC_SOFT_RESETB_MASK */ |
| 197 | 0, /* USB_CTRL_USB30_CTL1_USB3_IOC_MASK */ |
| 198 | 0, /* USB_CTRL_USB30_CTL1_USB3_IPP_MASK */ |
| 199 | USB_CTRL_USB_DEVICE_CTL1_PORT_MODE_MASK, |
| 200 | 0, /* USB_CTRL_USB_PM_SOFT_RESET_MASK */ |
| 201 | 0, /* USB_CTRL_SETUP_CC_DRD_MODE_ENABLE_MASK */ |
| 202 | 0, /* USB_CTRL_SETUP_STRAP_CC_DRD_MODE_ENABLE_SEL_MASK */ |
| 203 | USB_CTRL_USB_PM_USB20_HC_RESETB_VAR_MASK, |
| 204 | ENDIAN_SETTINGS, /* USB_CTRL_SETUP ENDIAN bits */ |
| 205 | }, |
| 206 | /* 7250b0 */ |
| 207 | [BRCM_FAMILY_7250B0] = { |
| 208 | USB_CTRL_SETUP_SCB1_EN_MASK, |
| 209 | USB_CTRL_SETUP_SCB2_EN_MASK, |
| 210 | USB_CTRL_SETUP_SS_EHCI64BIT_EN_MASK, |
| 211 | 0, /* USB_CTRL_SETUP_STRAP_IPP_SEL_MASK */ |
| 212 | USB_CTRL_SETUP_OC3_DISABLE_MASK, |
| 213 | USB_CTRL_PLL_CTL_PLL_IDDQ_PWRDN_MASK, |
| 214 | 0, /* USB_CTRL_USB_PM_BDC_SOFT_RESETB_MASK */ |
| 215 | USB_CTRL_USB_PM_XHC_SOFT_RESETB_VAR_MASK, |
| 216 | 0, /* USB_CTRL_USB_PM_USB_PWRDN_MASK */ |
| 217 | 0, /* USB_CTRL_USB30_CTL1_XHC_SOFT_RESETB_MASK */ |
| 218 | 0, /* USB_CTRL_USB30_CTL1_USB3_IOC_MASK */ |
| 219 | 0, /* USB_CTRL_USB30_CTL1_USB3_IPP_MASK */ |
| 220 | 0, /* USB_CTRL_USB_DEVICE_CTL1_PORT_MODE_MASK */ |
| 221 | 0, /* USB_CTRL_USB_PM_SOFT_RESET_MASK */ |
| 222 | 0, /* USB_CTRL_SETUP_CC_DRD_MODE_ENABLE_MASK */ |
| 223 | 0, /* USB_CTRL_SETUP_STRAP_CC_DRD_MODE_ENABLE_SEL_MASK */ |
| 224 | USB_CTRL_USB_PM_USB20_HC_RESETB_MASK, |
| 225 | ENDIAN_SETTINGS, /* USB_CTRL_SETUP ENDIAN bits */ |
| 226 | }, |
| 227 | /* 7271a0 */ |
| 228 | [BRCM_FAMILY_7271A0] = { |
| 229 | 0, /* USB_CTRL_SETUP_SCB1_EN_MASK */ |
| 230 | 0, /* USB_CTRL_SETUP_SCB2_EN_MASK */ |
| 231 | USB_CTRL_SETUP_SS_EHCI64BIT_EN_MASK, |
| 232 | USB_CTRL_SETUP_STRAP_IPP_SEL_MASK, |
| 233 | USB_CTRL_SETUP_OC3_DISABLE_MASK, |
| 234 | 0, /* USB_CTRL_PLL_CTL_PLL_IDDQ_PWRDN_MASK */ |
| 235 | USB_CTRL_USB_PM_BDC_SOFT_RESETB_MASK, |
| 236 | USB_CTRL_USB_PM_XHC_SOFT_RESETB_MASK, |
| 237 | USB_CTRL_USB_PM_USB_PWRDN_MASK, |
| 238 | 0, /* USB_CTRL_USB30_CTL1_XHC_SOFT_RESETB_MASK */ |
| 239 | 0, /* USB_CTRL_USB30_CTL1_USB3_IOC_MASK */ |
| 240 | 0, /* USB_CTRL_USB30_CTL1_USB3_IPP_MASK */ |
| 241 | USB_CTRL_USB_DEVICE_CTL1_PORT_MODE_MASK, |
| 242 | USB_CTRL_USB_PM_SOFT_RESET_MASK, |
| 243 | USB_CTRL_SETUP_CC_DRD_MODE_ENABLE_MASK, |
| 244 | USB_CTRL_SETUP_STRAP_CC_DRD_MODE_ENABLE_SEL_MASK, |
| 245 | USB_CTRL_USB_PM_USB20_HC_RESETB_VAR_MASK, |
| 246 | ENDIAN_SETTINGS, /* USB_CTRL_SETUP ENDIAN bits */ |
| 247 | }, |
| 248 | /* 7364a0 */ |
| 249 | [BRCM_FAMILY_7364A0] = { |
| 250 | USB_CTRL_SETUP_SCB1_EN_MASK, |
| 251 | USB_CTRL_SETUP_SCB2_EN_MASK, |
| 252 | USB_CTRL_SETUP_SS_EHCI64BIT_EN_MASK, |
| 253 | 0, /* USB_CTRL_SETUP_STRAP_IPP_SEL_MASK */ |
| 254 | USB_CTRL_SETUP_OC3_DISABLE_MASK, |
| 255 | USB_CTRL_PLL_CTL_PLL_IDDQ_PWRDN_MASK, |
| 256 | 0, /* USB_CTRL_USB_PM_BDC_SOFT_RESETB_MASK */ |
| 257 | USB_CTRL_USB_PM_XHC_SOFT_RESETB_VAR_MASK, |
| 258 | 0, /* USB_CTRL_USB_PM_USB_PWRDN_MASK */ |
| 259 | 0, /* USB_CTRL_USB30_CTL1_XHC_SOFT_RESETB_MASK */ |
| 260 | 0, /* USB_CTRL_USB30_CTL1_USB3_IOC_MASK */ |
| 261 | 0, /* USB_CTRL_USB30_CTL1_USB3_IPP_MASK */ |
| 262 | 0, /* USB_CTRL_USB_DEVICE_CTL1_PORT_MODE_MASK */ |
| 263 | 0, /* USB_CTRL_USB_PM_SOFT_RESET_MASK */ |
| 264 | 0, /* USB_CTRL_SETUP_CC_DRD_MODE_ENABLE_MASK */ |
| 265 | 0, /* USB_CTRL_SETUP_STRAP_CC_DRD_MODE_ENABLE_SEL_MASK */ |
| 266 | USB_CTRL_USB_PM_USB20_HC_RESETB_MASK, |
| 267 | ENDIAN_SETTINGS, /* USB_CTRL_SETUP ENDIAN bits */ |
| 268 | }, |
| 269 | /* 7366c0 */ |
| 270 | [BRCM_FAMILY_7366C0] = { |
| 271 | USB_CTRL_SETUP_SCB1_EN_MASK, |
| 272 | USB_CTRL_SETUP_SCB2_EN_MASK, |
| 273 | USB_CTRL_SETUP_SS_EHCI64BIT_EN_MASK, |
| 274 | 0, /* USB_CTRL_SETUP_STRAP_IPP_SEL_MASK */ |
| 275 | USB_CTRL_SETUP_OC3_DISABLE_MASK, |
| 276 | 0, /* USB_CTRL_PLL_CTL_PLL_IDDQ_PWRDN_MASK */ |
| 277 | 0, /* USB_CTRL_USB_PM_BDC_SOFT_RESETB_MASK */ |
| 278 | USB_CTRL_USB_PM_XHC_SOFT_RESETB_VAR_MASK, |
| 279 | USB_CTRL_USB_PM_USB_PWRDN_MASK, |
| 280 | 0, /* USB_CTRL_USB30_CTL1_XHC_SOFT_RESETB_MASK */ |
| 281 | 0, /* USB_CTRL_USB30_CTL1_USB3_IOC_MASK */ |
| 282 | 0, /* USB_CTRL_USB30_CTL1_USB3_IPP_MASK */ |
| 283 | 0, /* USB_CTRL_USB_DEVICE_CTL1_PORT_MODE_MASK */ |
| 284 | 0, /* USB_CTRL_USB_PM_SOFT_RESET_MASK */ |
| 285 | 0, /* USB_CTRL_SETUP_CC_DRD_MODE_ENABLE_MASK */ |
| 286 | 0, /* USB_CTRL_SETUP_STRAP_CC_DRD_MODE_ENABLE_SEL_MASK */ |
| 287 | USB_CTRL_USB_PM_USB20_HC_RESETB_MASK, |
| 288 | ENDIAN_SETTINGS, /* USB_CTRL_SETUP ENDIAN bits */ |
| 289 | }, |
| 290 | /* 74371A0 */ |
| 291 | [BRCM_FAMILY_74371A0] = { |
| 292 | USB_CTRL_SETUP_SCB1_EN_MASK, |
| 293 | USB_CTRL_SETUP_SCB2_EN_MASK, |
| 294 | USB_CTRL_SETUP_SS_EHCI64BIT_EN_VAR_MASK, |
| 295 | 0, /* USB_CTRL_SETUP_STRAP_IPP_SEL_MASK */ |
| 296 | 0, /* USB_CTRL_SETUP_OC3_DISABLE_MASK */ |
| 297 | USB_CTRL_PLL_CTL_PLL_IDDQ_PWRDN_MASK, |
| 298 | 0, /* USB_CTRL_USB_PM_BDC_SOFT_RESETB_MASK */ |
| 299 | 0, /* USB_CTRL_USB_PM_XHC_SOFT_RESETB_MASK */ |
| 300 | 0, /* USB_CTRL_USB_PM_USB_PWRDN_MASK */ |
| 301 | USB_CTRL_USB30_CTL1_XHC_SOFT_RESETB_MASK, |
| 302 | USB_CTRL_USB30_CTL1_USB3_IOC_MASK, |
| 303 | USB_CTRL_USB30_CTL1_USB3_IPP_MASK, |
| 304 | 0, /* USB_CTRL_USB_DEVICE_CTL1_PORT_MODE_MASK */ |
| 305 | 0, /* USB_CTRL_USB_PM_SOFT_RESET_MASK */ |
| 306 | 0, /* USB_CTRL_SETUP_CC_DRD_MODE_ENABLE_MASK */ |
| 307 | 0, /* USB_CTRL_SETUP_STRAP_CC_DRD_MODE_ENABLE_SEL_MASK */ |
| 308 | 0, /* USB_CTRL_USB_PM_USB20_HC_RESETB_MASK */ |
| 309 | ENDIAN_SETTINGS, /* USB_CTRL_SETUP ENDIAN bits */ |
| 310 | }, |
| 311 | /* 7439B0 */ |
| 312 | [BRCM_FAMILY_7439B0] = { |
| 313 | USB_CTRL_SETUP_SCB1_EN_MASK, |
| 314 | USB_CTRL_SETUP_SCB2_EN_MASK, |
| 315 | USB_CTRL_SETUP_SS_EHCI64BIT_EN_MASK, |
| 316 | USB_CTRL_SETUP_STRAP_IPP_SEL_MASK, |
| 317 | USB_CTRL_SETUP_OC3_DISABLE_MASK, |
| 318 | 0, /* USB_CTRL_PLL_CTL_PLL_IDDQ_PWRDN_MASK */ |
| 319 | USB_CTRL_USB_PM_BDC_SOFT_RESETB_MASK, |
| 320 | USB_CTRL_USB_PM_XHC_SOFT_RESETB_MASK, |
| 321 | USB_CTRL_USB_PM_USB_PWRDN_MASK, |
| 322 | 0, /* USB_CTRL_USB30_CTL1_XHC_SOFT_RESETB_MASK */ |
| 323 | 0, /* USB_CTRL_USB30_CTL1_USB3_IOC_MASK */ |
| 324 | 0, /* USB_CTRL_USB30_CTL1_USB3_IPP_MASK */ |
| 325 | USB_CTRL_USB_DEVICE_CTL1_PORT_MODE_MASK, |
| 326 | 0, /* USB_CTRL_USB_PM_SOFT_RESET_MASK */ |
| 327 | 0, /* USB_CTRL_SETUP_CC_DRD_MODE_ENABLE_MASK */ |
| 328 | 0, /* USB_CTRL_SETUP_STRAP_CC_DRD_MODE_ENABLE_SEL_MASK */ |
| 329 | USB_CTRL_USB_PM_USB20_HC_RESETB_VAR_MASK, |
| 330 | ENDIAN_SETTINGS, /* USB_CTRL_SETUP ENDIAN bits */ |
| 331 | }, |
| 332 | /* 7445d0 */ |
| 333 | [BRCM_FAMILY_7445D0] = { |
| 334 | USB_CTRL_SETUP_SCB1_EN_MASK, |
| 335 | USB_CTRL_SETUP_SCB2_EN_MASK, |
| 336 | USB_CTRL_SETUP_SS_EHCI64BIT_EN_VAR_MASK, |
| 337 | 0, /* USB_CTRL_SETUP_STRAP_IPP_SEL_MASK */ |
| 338 | USB_CTRL_SETUP_OC3_DISABLE_MASK, |
| 339 | USB_CTRL_PLL_CTL_PLL_IDDQ_PWRDN_MASK, |
| 340 | 0, /* USB_CTRL_USB_PM_BDC_SOFT_RESETB_MASK */ |
| 341 | 0, /* USB_CTRL_USB_PM_XHC_SOFT_RESETB_MASK */ |
| 342 | 0, /* USB_CTRL_USB_PM_USB_PWRDN_MASK */ |
| 343 | USB_CTRL_USB30_CTL1_XHC_SOFT_RESETB_MASK, |
| 344 | 0, /* USB_CTRL_USB30_CTL1_USB3_IOC_MASK */ |
| 345 | 0, /* USB_CTRL_USB30_CTL1_USB3_IPP_MASK */ |
| 346 | 0, /* USB_CTRL_USB_DEVICE_CTL1_PORT_MODE_MASK */ |
| 347 | 0, /* USB_CTRL_USB_PM_SOFT_RESET_MASK */ |
| 348 | 0, /* USB_CTRL_SETUP_CC_DRD_MODE_ENABLE_MASK */ |
| 349 | 0, /* USB_CTRL_SETUP_STRAP_CC_DRD_MODE_ENABLE_SEL_MASK */ |
| 350 | USB_CTRL_USB_PM_USB20_HC_RESETB_VAR_MASK, |
| 351 | ENDIAN_SETTINGS, /* USB_CTRL_SETUP ENDIAN bits */ |
| 352 | }, |
| 353 | /* 7260a0 */ |
| 354 | [BRCM_FAMILY_7260A0] = { |
| 355 | 0, /* USB_CTRL_SETUP_SCB1_EN_MASK */ |
| 356 | 0, /* USB_CTRL_SETUP_SCB2_EN_MASK */ |
| 357 | USB_CTRL_SETUP_SS_EHCI64BIT_EN_MASK, |
| 358 | USB_CTRL_SETUP_STRAP_IPP_SEL_MASK, |
| 359 | USB_CTRL_SETUP_OC3_DISABLE_MASK, |
| 360 | 0, /* USB_CTRL_PLL_CTL_PLL_IDDQ_PWRDN_MASK */ |
| 361 | USB_CTRL_USB_PM_BDC_SOFT_RESETB_MASK, |
| 362 | USB_CTRL_USB_PM_XHC_SOFT_RESETB_MASK, |
| 363 | USB_CTRL_USB_PM_USB_PWRDN_MASK, |
| 364 | 0, /* 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 | USB_CTRL_USB_DEVICE_CTL1_PORT_MODE_MASK, |
| 368 | USB_CTRL_USB_PM_SOFT_RESET_MASK, |
| 369 | USB_CTRL_SETUP_CC_DRD_MODE_ENABLE_MASK, |
| 370 | 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 */ |
| 373 | }, |
| 374 | /* 7278a0 */ |
| 375 | [BRCM_FAMILY_7278A0] = { |
| 376 | 0, /* USB_CTRL_SETUP_SCB1_EN_MASK */ |
| 377 | 0, /* USB_CTRL_SETUP_SCB2_EN_MASK */ |
| 378 | 0, /*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_USB_PM_BDC_SOFT_RESETB_MASK, |
| 383 | USB_CTRL_USB_PM_XHC_SOFT_RESETB_MASK, |
| 384 | USB_CTRL_USB_PM_USB_PWRDN_MASK, |
| 385 | 0, /* USB_CTRL_USB30_CTL1_XHC_SOFT_RESETB_MASK */ |
| 386 | 0, /* USB_CTRL_USB30_CTL1_USB3_IOC_MASK */ |
| 387 | 0, /* USB_CTRL_USB30_CTL1_USB3_IPP_MASK */ |
| 388 | USB_CTRL_USB_DEVICE_CTL1_PORT_MODE_MASK, |
| 389 | USB_CTRL_USB_PM_SOFT_RESET_MASK, |
| 390 | 0, /* USB_CTRL_SETUP_CC_DRD_MODE_ENABLE_MASK */ |
| 391 | 0, /* USB_CTRL_SETUP_STRAP_CC_DRD_MODE_ENABLE_SEL_MASK */ |
| 392 | 0, /* USB_CTRL_USB_PM_USB20_HC_RESETB_MASK */ |
| 393 | 0, /* USB_CTRL_SETUP ENDIAN bits */ |
| 394 | }, |
| 395 | }; |
| 396 | |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 397 | static inline |
| 398 | void usb_ctrl_unset_family(struct brcm_usb_init_params *params, |
| 399 | u32 reg_offset, u32 field) |
| 400 | { |
| 401 | u32 mask; |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 402 | |
| 403 | mask = params->usb_reg_bits_map[field]; |
Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 404 | brcm_usb_ctrl_unset(params->regs[BRCM_REGS_CTRL] + reg_offset, mask); |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 405 | }; |
| 406 | |
| 407 | static inline |
| 408 | void usb_ctrl_set_family(struct brcm_usb_init_params *params, |
| 409 | u32 reg_offset, u32 field) |
| 410 | { |
| 411 | u32 mask; |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 412 | |
| 413 | mask = params->usb_reg_bits_map[field]; |
Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 414 | brcm_usb_ctrl_set(params->regs[BRCM_REGS_CTRL] + reg_offset, mask); |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 415 | }; |
| 416 | |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 417 | static u32 brcmusb_usb_mdio_read(void __iomem *ctrl_base, u32 reg, int mode) |
| 418 | { |
| 419 | u32 data; |
| 420 | |
| 421 | data = (reg << 16) | mode; |
Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 422 | brcm_usb_writel(data, USB_CTRL_REG(ctrl_base, MDIO)); |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 423 | data |= (1 << 24); |
Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 424 | brcm_usb_writel(data, USB_CTRL_REG(ctrl_base, MDIO)); |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 425 | data &= ~(1 << 24); |
| 426 | /* wait for the 60MHz parallel to serial shifter */ |
| 427 | usleep_range(10, 20); |
Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 428 | brcm_usb_writel(data, USB_CTRL_REG(ctrl_base, MDIO)); |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 429 | /* wait for the 60MHz parallel to serial shifter */ |
| 430 | usleep_range(10, 20); |
| 431 | |
Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 432 | return brcm_usb_readl(USB_CTRL_REG(ctrl_base, MDIO2)) & 0xffff; |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 433 | } |
| 434 | |
| 435 | static void brcmusb_usb_mdio_write(void __iomem *ctrl_base, u32 reg, |
| 436 | u32 val, int mode) |
| 437 | { |
| 438 | u32 data; |
| 439 | |
| 440 | data = (reg << 16) | val | mode; |
Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 441 | brcm_usb_writel(data, USB_CTRL_REG(ctrl_base, MDIO)); |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 442 | data |= (1 << 25); |
Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 443 | brcm_usb_writel(data, USB_CTRL_REG(ctrl_base, MDIO)); |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 444 | data &= ~(1 << 25); |
| 445 | |
| 446 | /* wait for the 60MHz parallel to serial shifter */ |
| 447 | usleep_range(10, 20); |
Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 448 | brcm_usb_writel(data, USB_CTRL_REG(ctrl_base, MDIO)); |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 449 | /* wait for the 60MHz parallel to serial shifter */ |
| 450 | usleep_range(10, 20); |
| 451 | } |
| 452 | |
| 453 | static void brcmusb_usb_phy_ldo_fix(void __iomem *ctrl_base) |
| 454 | { |
| 455 | /* first disable FSM but also leave it that way */ |
| 456 | /* to allow normal suspend/resume */ |
| 457 | USB_CTRL_UNSET(ctrl_base, UTMI_CTL_1, POWER_UP_FSM_EN); |
| 458 | USB_CTRL_UNSET(ctrl_base, UTMI_CTL_1, POWER_UP_FSM_EN_P1); |
| 459 | |
| 460 | /* reset USB 2.0 PLL */ |
| 461 | USB_CTRL_UNSET(ctrl_base, PLL_CTL, PLL_RESETB); |
| 462 | /* PLL reset period */ |
| 463 | udelay(1); |
| 464 | USB_CTRL_SET(ctrl_base, PLL_CTL, PLL_RESETB); |
| 465 | /* Give PLL enough time to lock */ |
| 466 | usleep_range(1000, 2000); |
| 467 | } |
| 468 | |
| 469 | static void brcmusb_usb2_eye_fix(void __iomem *ctrl_base) |
| 470 | { |
| 471 | /* Increase USB 2.0 TX level to meet spec requirement */ |
| 472 | brcmusb_usb_mdio_write(ctrl_base, 0x1f, 0x80a0, MDIO_USB2); |
| 473 | brcmusb_usb_mdio_write(ctrl_base, 0x0a, 0xc6a0, MDIO_USB2); |
| 474 | } |
| 475 | |
| 476 | static void brcmusb_usb3_pll_fix(void __iomem *ctrl_base) |
| 477 | { |
| 478 | /* Set correct window for PLL lock detect */ |
| 479 | brcmusb_usb_mdio_write(ctrl_base, 0x1f, 0x8000, MDIO_USB3); |
| 480 | brcmusb_usb_mdio_write(ctrl_base, 0x07, 0x1503, MDIO_USB3); |
| 481 | } |
| 482 | |
| 483 | static void brcmusb_usb3_enable_pipe_reset(void __iomem *ctrl_base) |
| 484 | { |
| 485 | u32 val; |
| 486 | |
| 487 | /* Re-enable USB 3.0 pipe reset */ |
| 488 | brcmusb_usb_mdio_write(ctrl_base, 0x1f, 0x8000, MDIO_USB3); |
| 489 | val = brcmusb_usb_mdio_read(ctrl_base, 0x0f, MDIO_USB3) | 0x200; |
| 490 | brcmusb_usb_mdio_write(ctrl_base, 0x0f, val, MDIO_USB3); |
| 491 | } |
| 492 | |
| 493 | static void brcmusb_usb3_enable_sigdet(void __iomem *ctrl_base) |
| 494 | { |
| 495 | u32 val, ofs; |
| 496 | int ii; |
| 497 | |
| 498 | ofs = 0; |
| 499 | for (ii = 0; ii < PHY_PORTS; ++ii) { |
| 500 | /* Set correct default for sigdet */ |
| 501 | brcmusb_usb_mdio_write(ctrl_base, 0x1f, (0x8080 + ofs), |
| 502 | MDIO_USB3); |
| 503 | val = brcmusb_usb_mdio_read(ctrl_base, 0x05, MDIO_USB3); |
| 504 | val = (val & ~0x800f) | 0x800d; |
| 505 | brcmusb_usb_mdio_write(ctrl_base, 0x05, val, MDIO_USB3); |
| 506 | ofs = PHY_PORT_SELECT_1; |
| 507 | } |
| 508 | } |
| 509 | |
| 510 | static void brcmusb_usb3_enable_skip_align(void __iomem *ctrl_base) |
| 511 | { |
| 512 | u32 val, ofs; |
| 513 | int ii; |
| 514 | |
| 515 | ofs = 0; |
| 516 | for (ii = 0; ii < PHY_PORTS; ++ii) { |
| 517 | /* Set correct default for SKIP align */ |
| 518 | brcmusb_usb_mdio_write(ctrl_base, 0x1f, (0x8060 + ofs), |
| 519 | MDIO_USB3); |
| 520 | val = brcmusb_usb_mdio_read(ctrl_base, 0x01, MDIO_USB3) | 0x200; |
| 521 | brcmusb_usb_mdio_write(ctrl_base, 0x01, val, MDIO_USB3); |
| 522 | ofs = PHY_PORT_SELECT_1; |
| 523 | } |
| 524 | } |
| 525 | |
| 526 | static void brcmusb_usb3_unfreeze_aeq(void __iomem *ctrl_base) |
| 527 | { |
| 528 | u32 val, ofs; |
| 529 | int ii; |
| 530 | |
| 531 | ofs = 0; |
| 532 | for (ii = 0; ii < PHY_PORTS; ++ii) { |
| 533 | /* Let EQ freeze after TSEQ */ |
| 534 | brcmusb_usb_mdio_write(ctrl_base, 0x1f, (0x80e0 + ofs), |
| 535 | MDIO_USB3); |
| 536 | val = brcmusb_usb_mdio_read(ctrl_base, 0x01, MDIO_USB3); |
| 537 | val &= ~0x0008; |
| 538 | brcmusb_usb_mdio_write(ctrl_base, 0x01, val, MDIO_USB3); |
| 539 | ofs = PHY_PORT_SELECT_1; |
| 540 | } |
| 541 | } |
| 542 | |
| 543 | static void brcmusb_usb3_pll_54mhz(struct brcm_usb_init_params *params) |
| 544 | { |
| 545 | u32 ofs; |
| 546 | int ii; |
Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 547 | void __iomem *ctrl_base = params->regs[BRCM_REGS_CTRL]; |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 548 | |
| 549 | /* |
| 550 | * On newer B53 based SoC's, the reference clock for the |
| 551 | * 3.0 PLL has been changed from 50MHz to 54MHz so the |
| 552 | * PLL needs to be reprogrammed. |
| 553 | * See SWLINUX-4006. |
| 554 | * |
| 555 | * On the 7364C0, the reference clock for the |
| 556 | * 3.0 PLL has been changed from 50MHz to 54MHz to |
| 557 | * work around a MOCA issue. |
| 558 | * See SWLINUX-4169. |
| 559 | */ |
| 560 | switch (params->selected_family) { |
| 561 | case BRCM_FAMILY_3390A0: |
| 562 | case BRCM_FAMILY_7250B0: |
| 563 | case BRCM_FAMILY_7366C0: |
| 564 | case BRCM_FAMILY_74371A0: |
| 565 | case BRCM_FAMILY_7439B0: |
| 566 | case BRCM_FAMILY_7445D0: |
| 567 | case BRCM_FAMILY_7260A0: |
| 568 | return; |
| 569 | case BRCM_FAMILY_7364A0: |
| 570 | if (BRCM_REV(params->family_id) < 0x20) |
| 571 | return; |
| 572 | break; |
| 573 | } |
| 574 | |
| 575 | /* set USB 3.0 PLL to accept 54Mhz reference clock */ |
| 576 | USB_CTRL_UNSET(ctrl_base, USB30_CTL1, PHY3_PLL_SEQ_START); |
| 577 | |
| 578 | brcmusb_usb_mdio_write(ctrl_base, 0x1f, 0x8000, MDIO_USB3); |
| 579 | brcmusb_usb_mdio_write(ctrl_base, 0x10, 0x5784, MDIO_USB3); |
| 580 | brcmusb_usb_mdio_write(ctrl_base, 0x11, 0x01d0, MDIO_USB3); |
| 581 | brcmusb_usb_mdio_write(ctrl_base, 0x12, 0x1DE8, MDIO_USB3); |
| 582 | brcmusb_usb_mdio_write(ctrl_base, 0x13, 0xAA80, MDIO_USB3); |
| 583 | brcmusb_usb_mdio_write(ctrl_base, 0x14, 0x8826, MDIO_USB3); |
| 584 | brcmusb_usb_mdio_write(ctrl_base, 0x15, 0x0044, MDIO_USB3); |
| 585 | brcmusb_usb_mdio_write(ctrl_base, 0x16, 0x8000, MDIO_USB3); |
| 586 | brcmusb_usb_mdio_write(ctrl_base, 0x17, 0x0851, MDIO_USB3); |
| 587 | brcmusb_usb_mdio_write(ctrl_base, 0x18, 0x0000, MDIO_USB3); |
| 588 | |
| 589 | /* both ports */ |
| 590 | ofs = 0; |
| 591 | for (ii = 0; ii < PHY_PORTS; ++ii) { |
| 592 | brcmusb_usb_mdio_write(ctrl_base, 0x1f, (0x8040 + ofs), |
| 593 | MDIO_USB3); |
| 594 | brcmusb_usb_mdio_write(ctrl_base, 0x03, 0x0090, MDIO_USB3); |
| 595 | brcmusb_usb_mdio_write(ctrl_base, 0x04, 0x0134, MDIO_USB3); |
| 596 | brcmusb_usb_mdio_write(ctrl_base, 0x1f, (0x8020 + ofs), |
| 597 | MDIO_USB3); |
| 598 | brcmusb_usb_mdio_write(ctrl_base, 0x01, 0x00e2, MDIO_USB3); |
| 599 | ofs = PHY_PORT_SELECT_1; |
| 600 | } |
| 601 | |
| 602 | /* restart PLL sequence */ |
| 603 | USB_CTRL_SET(ctrl_base, USB30_CTL1, PHY3_PLL_SEQ_START); |
| 604 | /* Give PLL enough time to lock */ |
| 605 | usleep_range(1000, 2000); |
| 606 | } |
| 607 | |
| 608 | static void brcmusb_usb3_ssc_enable(void __iomem *ctrl_base) |
| 609 | { |
| 610 | u32 val; |
| 611 | |
| 612 | /* Enable USB 3.0 TX spread spectrum */ |
| 613 | brcmusb_usb_mdio_write(ctrl_base, 0x1f, 0x8040, MDIO_USB3); |
| 614 | val = brcmusb_usb_mdio_read(ctrl_base, 0x01, MDIO_USB3) | 0xf; |
| 615 | brcmusb_usb_mdio_write(ctrl_base, 0x01, val, MDIO_USB3); |
| 616 | |
| 617 | /* Currently, USB 3.0 SSC is enabled via port 0 MDIO registers, |
| 618 | * which should have been adequate. However, due to a bug in the |
| 619 | * USB 3.0 PHY, it must be enabled via both ports (HWUSB3DVT-26). |
| 620 | */ |
| 621 | brcmusb_usb_mdio_write(ctrl_base, 0x1f, 0x9040, MDIO_USB3); |
| 622 | val = brcmusb_usb_mdio_read(ctrl_base, 0x01, MDIO_USB3) | 0xf; |
| 623 | brcmusb_usb_mdio_write(ctrl_base, 0x01, val, MDIO_USB3); |
| 624 | } |
| 625 | |
| 626 | static void brcmusb_usb3_phy_workarounds(struct brcm_usb_init_params *params) |
| 627 | { |
Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 628 | void __iomem *ctrl_base = params->regs[BRCM_REGS_CTRL]; |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 629 | |
| 630 | brcmusb_usb3_pll_fix(ctrl_base); |
| 631 | brcmusb_usb3_pll_54mhz(params); |
| 632 | brcmusb_usb3_ssc_enable(ctrl_base); |
| 633 | brcmusb_usb3_enable_pipe_reset(ctrl_base); |
| 634 | brcmusb_usb3_enable_sigdet(ctrl_base); |
| 635 | brcmusb_usb3_enable_skip_align(ctrl_base); |
| 636 | brcmusb_usb3_unfreeze_aeq(ctrl_base); |
| 637 | } |
| 638 | |
| 639 | static void brcmusb_memc_fix(struct brcm_usb_init_params *params) |
| 640 | { |
| 641 | u32 prid; |
| 642 | |
| 643 | if (params->selected_family != BRCM_FAMILY_7445D0) |
| 644 | return; |
| 645 | /* |
| 646 | * This is a workaround for HW7445-1869 where a DMA write ends up |
| 647 | * doing a read pre-fetch after the end of the DMA buffer. This |
| 648 | * causes a problem when the DMA buffer is at the end of physical |
| 649 | * memory, causing the pre-fetch read to access non-existent memory, |
| 650 | * and the chip bondout has MEMC2 disabled. When the pre-fetch read |
| 651 | * tries to use the disabled MEMC2, it hangs the bus. The workaround |
| 652 | * is to disable MEMC2 access in the usb controller which avoids |
| 653 | * the hang. |
| 654 | */ |
| 655 | |
| 656 | prid = params->product_id & 0xfffff000; |
| 657 | switch (prid) { |
| 658 | case 0x72520000: |
| 659 | case 0x74480000: |
| 660 | case 0x74490000: |
| 661 | case 0x07252000: |
| 662 | case 0x07448000: |
| 663 | case 0x07449000: |
| 664 | USB_CTRL_UNSET_FAMILY(params, SETUP, SCB2_EN); |
| 665 | } |
| 666 | } |
| 667 | |
| 668 | static void brcmusb_usb3_otp_fix(struct brcm_usb_init_params *params) |
| 669 | { |
Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 670 | void __iomem *xhci_ec_base = params->regs[BRCM_REGS_XHCI_EC]; |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 671 | u32 val; |
| 672 | |
Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 673 | if (params->family_id != 0x74371000 || !xhci_ec_base) |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 674 | return; |
Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 675 | brcm_usb_writel(0xa20c, USB_XHCI_EC_REG(xhci_ec_base, IRAADR)); |
| 676 | val = brcm_usb_readl(USB_XHCI_EC_REG(xhci_ec_base, IRADAT)); |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 677 | |
| 678 | /* set cfg_pick_ss_lock */ |
| 679 | val |= (1 << 27); |
Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 680 | brcm_usb_writel(val, USB_XHCI_EC_REG(xhci_ec_base, IRADAT)); |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 681 | |
| 682 | /* Reset USB 3.0 PHY for workaround to take effect */ |
Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 683 | USB_CTRL_UNSET(params->regs[BRCM_REGS_CTRL], USB30_CTL1, PHY3_RESETB); |
| 684 | USB_CTRL_SET(params->regs[BRCM_REGS_CTRL], USB30_CTL1, PHY3_RESETB); |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 685 | } |
| 686 | |
| 687 | static void brcmusb_xhci_soft_reset(struct brcm_usb_init_params *params, |
| 688 | int on_off) |
| 689 | { |
| 690 | /* Assert reset */ |
| 691 | if (on_off) { |
| 692 | if (USB_CTRL_MASK_FAMILY(params, USB_PM, XHC_SOFT_RESETB)) |
| 693 | USB_CTRL_UNSET_FAMILY(params, USB_PM, XHC_SOFT_RESETB); |
| 694 | else |
| 695 | USB_CTRL_UNSET_FAMILY(params, |
| 696 | USB30_CTL1, XHC_SOFT_RESETB); |
| 697 | } else { /* De-assert reset */ |
| 698 | if (USB_CTRL_MASK_FAMILY(params, USB_PM, XHC_SOFT_RESETB)) |
| 699 | USB_CTRL_SET_FAMILY(params, USB_PM, XHC_SOFT_RESETB); |
| 700 | else |
| 701 | USB_CTRL_SET_FAMILY(params, USB30_CTL1, |
| 702 | XHC_SOFT_RESETB); |
| 703 | } |
| 704 | } |
| 705 | |
| 706 | /* |
| 707 | * Return the best map table family. The order is: |
| 708 | * - exact match of chip and major rev |
| 709 | * - exact match of chip and closest older major rev |
| 710 | * - default chip/rev. |
| 711 | * NOTE: The minor rev is always ignored. |
| 712 | */ |
Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 713 | static enum brcm_family_type get_family_type( |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 714 | struct brcm_usb_init_params *params) |
| 715 | { |
| 716 | int last_type = -1; |
| 717 | u32 last_family = 0; |
| 718 | u32 family_no_major; |
| 719 | unsigned int x; |
| 720 | u32 family; |
| 721 | |
| 722 | family = params->family_id & 0xfffffff0; |
| 723 | family_no_major = params->family_id & 0xffffff00; |
| 724 | for (x = 0; id_to_type_table[x].id; x++) { |
| 725 | if (family == id_to_type_table[x].id) |
| 726 | return id_to_type_table[x].type; |
| 727 | if (family_no_major == (id_to_type_table[x].id & 0xffffff00)) |
| 728 | if (family > id_to_type_table[x].id && |
| 729 | last_family < id_to_type_table[x].id) { |
| 730 | last_family = id_to_type_table[x].id; |
| 731 | last_type = id_to_type_table[x].type; |
| 732 | } |
| 733 | } |
| 734 | |
| 735 | /* If no match, return the default family */ |
| 736 | if (last_type == -1) |
| 737 | return id_to_type_table[x].type; |
| 738 | return last_type; |
| 739 | } |
| 740 | |
Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 741 | static void usb_init_ipp(struct brcm_usb_init_params *params) |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 742 | { |
Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 743 | void __iomem *ctrl = params->regs[BRCM_REGS_CTRL]; |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 744 | u32 reg; |
| 745 | u32 orig_reg; |
| 746 | |
| 747 | /* Starting with the 7445d0, there are no longer separate 3.0 |
| 748 | * versions of IOC and IPP. |
| 749 | */ |
| 750 | if (USB_CTRL_MASK_FAMILY(params, USB30_CTL1, USB3_IOC)) { |
| 751 | if (params->ioc) |
| 752 | USB_CTRL_SET_FAMILY(params, USB30_CTL1, USB3_IOC); |
| 753 | if (params->ipp == 1) |
| 754 | USB_CTRL_SET_FAMILY(params, USB30_CTL1, USB3_IPP); |
| 755 | } |
| 756 | |
Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 757 | reg = brcm_usb_readl(USB_CTRL_REG(ctrl, SETUP)); |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 758 | orig_reg = reg; |
| 759 | if (USB_CTRL_MASK_FAMILY(params, SETUP, STRAP_CC_DRD_MODE_ENABLE_SEL)) |
| 760 | /* Never use the strap, it's going away. */ |
| 761 | reg &= ~(USB_CTRL_MASK_FAMILY(params, |
| 762 | SETUP, |
| 763 | STRAP_CC_DRD_MODE_ENABLE_SEL)); |
| 764 | if (USB_CTRL_MASK_FAMILY(params, SETUP, STRAP_IPP_SEL)) |
Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 765 | /* override ipp strap pin (if it exits) */ |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 766 | if (params->ipp != 2) |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 767 | reg &= ~(USB_CTRL_MASK_FAMILY(params, SETUP, |
| 768 | STRAP_IPP_SEL)); |
| 769 | |
| 770 | /* Override the default OC and PP polarity */ |
| 771 | reg &= ~(USB_CTRL_MASK(SETUP, IPP) | USB_CTRL_MASK(SETUP, IOC)); |
| 772 | if (params->ioc) |
| 773 | reg |= USB_CTRL_MASK(SETUP, IOC); |
Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 774 | if (params->ipp == 1) |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 775 | reg |= USB_CTRL_MASK(SETUP, IPP); |
Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 776 | brcm_usb_writel(reg, USB_CTRL_REG(ctrl, SETUP)); |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 777 | |
| 778 | /* |
| 779 | * If we're changing IPP, make sure power is off long enough |
| 780 | * to turn off any connected devices. |
| 781 | */ |
Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 782 | if ((reg ^ orig_reg) & USB_CTRL_MASK(SETUP, IPP)) |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 783 | msleep(50); |
| 784 | } |
| 785 | |
Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 786 | static void usb_wake_enable(struct brcm_usb_init_params *params, |
| 787 | bool enable) |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 788 | { |
Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 789 | void __iomem *ctrl = params->regs[BRCM_REGS_CTRL]; |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 790 | |
Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 791 | if (enable) |
| 792 | USB_CTRL_SET(ctrl, USB_PM, RMTWKUP_EN); |
| 793 | else |
| 794 | USB_CTRL_UNSET(ctrl, USB_PM, RMTWKUP_EN); |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 795 | } |
| 796 | |
Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 797 | static void usb_init_common(struct brcm_usb_init_params *params) |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 798 | { |
| 799 | u32 reg; |
Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 800 | void __iomem *ctrl = params->regs[BRCM_REGS_CTRL]; |
| 801 | |
| 802 | /* Clear any pending wake conditions */ |
| 803 | usb_wake_enable(params, false); |
| 804 | reg = brcm_usb_readl(USB_CTRL_REG(ctrl, USB_PM_STATUS)); |
| 805 | brcm_usb_writel(reg, USB_CTRL_REG(ctrl, USB_PM_STATUS)); |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 806 | |
| 807 | /* Take USB out of power down */ |
| 808 | if (USB_CTRL_MASK_FAMILY(params, PLL_CTL, PLL_IDDQ_PWRDN)) { |
| 809 | USB_CTRL_UNSET_FAMILY(params, PLL_CTL, PLL_IDDQ_PWRDN); |
| 810 | /* 1 millisecond - for USB clocks to settle down */ |
| 811 | usleep_range(1000, 2000); |
| 812 | } |
| 813 | |
| 814 | if (USB_CTRL_MASK_FAMILY(params, USB_PM, USB_PWRDN)) { |
| 815 | USB_CTRL_UNSET_FAMILY(params, USB_PM, USB_PWRDN); |
| 816 | /* 1 millisecond - for USB clocks to settle down */ |
| 817 | usleep_range(1000, 2000); |
| 818 | } |
| 819 | |
| 820 | if (params->selected_family != BRCM_FAMILY_74371A0 && |
| 821 | (BRCM_ID(params->family_id) != 0x7364)) |
| 822 | /* |
| 823 | * HW7439-637: 7439a0 and its derivatives do not have large |
| 824 | * enough descriptor storage for this. |
| 825 | */ |
| 826 | USB_CTRL_SET_FAMILY(params, SETUP, SS_EHCI64BIT_EN); |
| 827 | |
| 828 | /* Block auto PLL suspend by USB2 PHY (Sasi) */ |
| 829 | USB_CTRL_SET(ctrl, PLL_CTL, PLL_SUSPEND_EN); |
| 830 | |
Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 831 | reg = brcm_usb_readl(USB_CTRL_REG(ctrl, SETUP)); |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 832 | if (params->selected_family == BRCM_FAMILY_7364A0) |
| 833 | /* Suppress overcurrent indication from USB30 ports for A0 */ |
| 834 | reg |= USB_CTRL_MASK_FAMILY(params, SETUP, OC3_DISABLE); |
| 835 | |
| 836 | brcmusb_usb_phy_ldo_fix(ctrl); |
| 837 | brcmusb_usb2_eye_fix(ctrl); |
| 838 | |
| 839 | /* |
| 840 | * Make sure the the second and third memory controller |
| 841 | * interfaces are enabled if they exist. |
| 842 | */ |
| 843 | if (USB_CTRL_MASK_FAMILY(params, SETUP, SCB1_EN)) |
| 844 | reg |= USB_CTRL_MASK_FAMILY(params, SETUP, SCB1_EN); |
| 845 | if (USB_CTRL_MASK_FAMILY(params, SETUP, SCB2_EN)) |
| 846 | reg |= USB_CTRL_MASK_FAMILY(params, SETUP, SCB2_EN); |
Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 847 | brcm_usb_writel(reg, USB_CTRL_REG(ctrl, SETUP)); |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 848 | |
| 849 | brcmusb_memc_fix(params); |
| 850 | |
| 851 | if (USB_CTRL_MASK_FAMILY(params, USB_DEVICE_CTL1, PORT_MODE)) { |
Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 852 | reg = brcm_usb_readl(USB_CTRL_REG(ctrl, USB_DEVICE_CTL1)); |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 853 | reg &= ~USB_CTRL_MASK_FAMILY(params, USB_DEVICE_CTL1, |
| 854 | PORT_MODE); |
| 855 | reg |= params->mode; |
Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 856 | brcm_usb_writel(reg, USB_CTRL_REG(ctrl, USB_DEVICE_CTL1)); |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 857 | } |
| 858 | if (USB_CTRL_MASK_FAMILY(params, USB_PM, BDC_SOFT_RESETB)) { |
| 859 | switch (params->mode) { |
| 860 | case USB_CTLR_MODE_HOST: |
| 861 | USB_CTRL_UNSET_FAMILY(params, USB_PM, BDC_SOFT_RESETB); |
| 862 | break; |
| 863 | default: |
| 864 | USB_CTRL_UNSET_FAMILY(params, USB_PM, BDC_SOFT_RESETB); |
| 865 | USB_CTRL_SET_FAMILY(params, USB_PM, BDC_SOFT_RESETB); |
| 866 | break; |
| 867 | } |
| 868 | } |
| 869 | if (USB_CTRL_MASK_FAMILY(params, SETUP, CC_DRD_MODE_ENABLE)) { |
| 870 | if (params->mode == USB_CTLR_MODE_TYPEC_PD) |
| 871 | USB_CTRL_SET_FAMILY(params, SETUP, CC_DRD_MODE_ENABLE); |
| 872 | else |
| 873 | USB_CTRL_UNSET_FAMILY(params, SETUP, |
| 874 | CC_DRD_MODE_ENABLE); |
| 875 | } |
| 876 | } |
| 877 | |
Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 878 | static void usb_init_eohci(struct brcm_usb_init_params *params) |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 879 | { |
| 880 | u32 reg; |
Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 881 | void __iomem *ctrl = params->regs[BRCM_REGS_CTRL]; |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 882 | |
| 883 | if (USB_CTRL_MASK_FAMILY(params, USB_PM, USB20_HC_RESETB)) |
| 884 | USB_CTRL_SET_FAMILY(params, USB_PM, USB20_HC_RESETB); |
| 885 | |
| 886 | if (params->selected_family == BRCM_FAMILY_7366C0) |
| 887 | /* |
| 888 | * Don't enable this so the memory controller doesn't read |
| 889 | * into memory holes. NOTE: This bit is low true on 7366C0. |
| 890 | */ |
| 891 | USB_CTRL_SET(ctrl, EBRIDGE, ESTOP_SCB_REQ); |
| 892 | |
| 893 | /* Setup the endian bits */ |
Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 894 | reg = brcm_usb_readl(USB_CTRL_REG(ctrl, SETUP)); |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 895 | reg &= ~USB_CTRL_SETUP_ENDIAN_BITS; |
| 896 | reg |= USB_CTRL_MASK_FAMILY(params, SETUP, ENDIAN); |
Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 897 | brcm_usb_writel(reg, USB_CTRL_REG(ctrl, SETUP)); |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 898 | |
| 899 | if (params->selected_family == BRCM_FAMILY_7271A0) |
| 900 | /* Enable LS keep alive fix for certain keyboards */ |
| 901 | USB_CTRL_SET(ctrl, OBRIDGE, LS_KEEP_ALIVE); |
Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 902 | |
| 903 | if (params->family_id == 0x72550000) { |
| 904 | /* |
| 905 | * Make the burst size 512 bytes to fix a hardware bug |
| 906 | * on the 7255a0. See HW7255-24. |
| 907 | */ |
| 908 | reg = brcm_usb_readl(USB_CTRL_REG(ctrl, EBRIDGE)); |
| 909 | reg &= ~USB_CTRL_MASK(EBRIDGE, EBR_SCB_SIZE); |
| 910 | reg |= 0x800; |
| 911 | brcm_usb_writel(reg, USB_CTRL_REG(ctrl, EBRIDGE)); |
| 912 | } |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 913 | } |
| 914 | |
Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 915 | static void usb_init_xhci(struct brcm_usb_init_params *params) |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 916 | { |
Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 917 | void __iomem *ctrl = params->regs[BRCM_REGS_CTRL]; |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 918 | |
| 919 | USB_CTRL_UNSET(ctrl, USB30_PCTL, PHY3_IDDQ_OVERRIDE); |
| 920 | /* 1 millisecond - for USB clocks to settle down */ |
| 921 | usleep_range(1000, 2000); |
| 922 | |
| 923 | if (BRCM_ID(params->family_id) == 0x7366) { |
| 924 | /* |
| 925 | * The PHY3_SOFT_RESETB bits default to the wrong state. |
| 926 | */ |
| 927 | USB_CTRL_SET(ctrl, USB30_PCTL, PHY3_SOFT_RESETB); |
| 928 | USB_CTRL_SET(ctrl, USB30_PCTL, PHY3_SOFT_RESETB_P1); |
| 929 | } |
| 930 | |
| 931 | /* |
| 932 | * Kick start USB3 PHY |
| 933 | * Make sure it's low to insure a rising edge. |
| 934 | */ |
| 935 | USB_CTRL_UNSET(ctrl, USB30_CTL1, PHY3_PLL_SEQ_START); |
| 936 | USB_CTRL_SET(ctrl, USB30_CTL1, PHY3_PLL_SEQ_START); |
| 937 | |
| 938 | brcmusb_usb3_phy_workarounds(params); |
| 939 | brcmusb_xhci_soft_reset(params, 0); |
| 940 | brcmusb_usb3_otp_fix(params); |
| 941 | } |
| 942 | |
Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 943 | static void usb_uninit_common(struct brcm_usb_init_params *params) |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 944 | { |
| 945 | if (USB_CTRL_MASK_FAMILY(params, USB_PM, USB_PWRDN)) |
| 946 | USB_CTRL_SET_FAMILY(params, USB_PM, USB_PWRDN); |
| 947 | |
| 948 | if (USB_CTRL_MASK_FAMILY(params, PLL_CTL, PLL_IDDQ_PWRDN)) |
| 949 | USB_CTRL_SET_FAMILY(params, PLL_CTL, PLL_IDDQ_PWRDN); |
Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 950 | if (params->wake_enabled) |
| 951 | usb_wake_enable(params, true); |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 952 | } |
| 953 | |
Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 954 | static void usb_uninit_eohci(struct brcm_usb_init_params *params) |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 955 | { |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 956 | } |
| 957 | |
Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 958 | static void usb_uninit_xhci(struct brcm_usb_init_params *params) |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 959 | { |
| 960 | brcmusb_xhci_soft_reset(params, 1); |
Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 961 | USB_CTRL_SET(params->regs[BRCM_REGS_CTRL], USB30_PCTL, |
| 962 | PHY3_IDDQ_OVERRIDE); |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 963 | } |
| 964 | |
Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 965 | static int usb_get_dual_select(struct brcm_usb_init_params *params) |
| 966 | { |
| 967 | void __iomem *ctrl = params->regs[BRCM_REGS_CTRL]; |
| 968 | u32 reg = 0; |
| 969 | |
| 970 | pr_debug("%s\n", __func__); |
| 971 | if (USB_CTRL_MASK_FAMILY(params, USB_DEVICE_CTL1, PORT_MODE)) { |
| 972 | reg = brcm_usb_readl(USB_CTRL_REG(ctrl, USB_DEVICE_CTL1)); |
| 973 | reg &= USB_CTRL_MASK_FAMILY(params, USB_DEVICE_CTL1, |
| 974 | PORT_MODE); |
| 975 | } |
| 976 | return reg; |
| 977 | } |
| 978 | |
| 979 | static void usb_set_dual_select(struct brcm_usb_init_params *params, int mode) |
| 980 | { |
| 981 | void __iomem *ctrl = params->regs[BRCM_REGS_CTRL]; |
| 982 | u32 reg; |
| 983 | |
| 984 | pr_debug("%s\n", __func__); |
| 985 | |
| 986 | if (USB_CTRL_MASK_FAMILY(params, USB_DEVICE_CTL1, PORT_MODE)) { |
| 987 | reg = brcm_usb_readl(USB_CTRL_REG(ctrl, USB_DEVICE_CTL1)); |
| 988 | reg &= ~USB_CTRL_MASK_FAMILY(params, USB_DEVICE_CTL1, |
| 989 | PORT_MODE); |
| 990 | reg |= mode; |
| 991 | brcm_usb_writel(reg, USB_CTRL_REG(ctrl, USB_DEVICE_CTL1)); |
| 992 | } |
| 993 | } |
| 994 | |
| 995 | static const struct brcm_usb_init_ops bcm7445_ops = { |
| 996 | .init_ipp = usb_init_ipp, |
| 997 | .init_common = usb_init_common, |
| 998 | .init_eohci = usb_init_eohci, |
| 999 | .init_xhci = usb_init_xhci, |
| 1000 | .uninit_common = usb_uninit_common, |
| 1001 | .uninit_eohci = usb_uninit_eohci, |
| 1002 | .uninit_xhci = usb_uninit_xhci, |
| 1003 | .get_dual_select = usb_get_dual_select, |
| 1004 | .set_dual_select = usb_set_dual_select, |
| 1005 | }; |
| 1006 | |
| 1007 | void brcm_usb_dvr_init_7445(struct brcm_usb_init_params *params) |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 1008 | { |
| 1009 | int fam; |
| 1010 | |
Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 1011 | pr_debug("%s\n", __func__); |
| 1012 | |
| 1013 | fam = get_family_type(params); |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 1014 | params->selected_family = fam; |
| 1015 | params->usb_reg_bits_map = |
| 1016 | &usb_reg_bits_map_table[fam][0]; |
| 1017 | params->family_name = family_names[fam]; |
Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 1018 | params->ops = &bcm7445_ops; |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 1019 | } |