target/linux/ar71xx/files/arch/mips/ath79/mach-cf-e316n-v2.c

   1 /*
   2  *  Support for COMFAST boards:
   3  *  - CF-E316N v2 (AR9341)
   4  *  - CF-E320N v2 (QCA9531)
   5  *  - CF-E380AC v1/v2 (QCA9558)
   6  *  - CF-E520N/CF-E530N (QCA9531)
   7  *
   8  *  Copyright (C) 2016 Piotr Dymacz <pepe2k@gmail.com>
   9  *  Copyright (C) 2016 Gareth Parker <gareth41@orcon.net.nz>
  10  *  Copyright (C) 2015 Paul Fertser <fercerpav@gmail.com>
  11  *
  12  *  This program is free software; you can redistribute it and/or modify it
  13  *  under the terms of the GNU General Public License version 2 as published
  14  *  by the Free Software Foundation.
  15  */
  16
  17 #include <linux/gpio.h>
  18 #include <linux/platform_data/phy-at803x.h>
  19 #include <linux/platform_device.h>
  20 #include <linux/timer.h>
  21
  22 #include <asm/mach-ath79/ath79.h>
  23 #include <asm/mach-ath79/ar71xx_regs.h>
  24
  25 #include "common.h"
  26 #include "dev-ap9x-pci.h"
  27 #include "dev-eth.h"
  28 #include "dev-gpio-buttons.h"
  29 #include "dev-leds-gpio.h"
  30 #include "dev-m25p80.h"
  31 #include "dev-wmac.h"
  32 #include "dev-usb.h"
  33 #include "machtypes.h"
  34
  35 #define CF_EXXXN_KEYS_POLL_INTERVAL     20
  36 #define CF_EXXXN_KEYS_DEBOUNCE_INTERVAL (3 * CF_EXXXN_KEYS_POLL_INTERVAL)
  37
  38 /* CF-E316N v2 */
  39 #define CF_E316N_V2_GPIO_LED_DIAG_B     0
  40 #define CF_E316N_V2_GPIO_LED_DIAG_R     2
  41 #define CF_E316N_V2_GPIO_LED_DIAG_G     3
  42 #define CF_E316N_V2_GPIO_LED_WLAN       12
  43 #define CF_E316N_V2_GPIO_LED_WAN        17
  44 #define CF_E316N_V2_GPIO_LED_LAN        19
  45
  46 #define CF_E316N_V2_GPIO_EXT_WDT        16
  47
  48 #define CF_E316N_V2_GPIO_EXTERNAL_PA0   13
  49 #define CF_E316N_V2_GPIO_EXTERNAL_PA1   14
  50
  51 #define CF_E316N_V2_GPIO_BTN_RESET      20
  52
  53 static struct gpio_led cf_e316n_v2_leds_gpio[] __initdata = {
  54         {
  55                 .name           = "cf-e316n-v2:blue:diag",
  56                 .gpio           = CF_E316N_V2_GPIO_LED_DIAG_B,
  57                 .active_low     = 0,
  58         }, {
  59                 .name           = "cf-e316n-v2:red:diag",
  60                 .gpio           = CF_E316N_V2_GPIO_LED_DIAG_R,
  61                 .active_low     = 0,
  62         }, {
  63                 .name           = "cf-e316n-v2:green:diag",
  64                 .gpio           = CF_E316N_V2_GPIO_LED_DIAG_G,
  65                 .active_low     = 0,
  66         }, {
  67                 .name           = "cf-e316n-v2:blue:wlan",
  68                 .gpio           = CF_E316N_V2_GPIO_LED_WLAN,
  69                 .active_low     = 1,
  70         }, {
  71                 .name           = "cf-e316n-v2:blue:wan",
  72                 .gpio           = CF_E316N_V2_GPIO_LED_WAN,
  73                 .active_low     = 1,
  74         }, {
  75                 .name           = "cf-e316n-v2:blue:lan",
  76                 .gpio           = CF_E316N_V2_GPIO_LED_LAN,
  77                 .active_low     = 1,
  78         },
  79 };
  80
  81 static struct gpio_keys_button cf_e316n_v2_gpio_keys[] __initdata = {
  82         {
  83                 .desc           = "reset",
  84                 .type           = EV_KEY,
  85                 .code           = KEY_RESTART,
  86                 .debounce_interval = CF_EXXXN_KEYS_DEBOUNCE_INTERVAL,
  87                 .gpio           = CF_E316N_V2_GPIO_BTN_RESET,
  88                 .active_low     = 1,
  89         },
  90 };
  91
  92 /* CF-E320N v2 */
  93 #define CF_E320N_V2_GPIO_LED_WLAN       0
  94 #define CF_E320N_V2_GPIO_LED_WAN        2
  95 #define CF_E320N_V2_GPIO_LED_LAN        3
  96
  97 #define CF_E320N_V2_GPIO_HEADER_J9_1    14
  98 #define CF_E320N_V2_GPIO_HEADER_J9_2    12
  99 #define CF_E320N_V2_GPIO_HEADER_J9_3    11
 100 #define CF_E320N_V2_GPIO_HEADER_J9_4    16
 101
 102 #define CF_E320N_V2_GPIO_EXT_WDT        13
 103
 104 #define CF_E320N_V2_GPIO_BTN_RESET      17
 105
 106 static struct gpio_led cf_e320n_v2_leds_gpio[] __initdata = {
 107         {
 108                 .name           = "cf-e320n-v2:green:lan",
 109                 .gpio           = CF_E320N_V2_GPIO_LED_LAN,
 110                 .active_low     = 0,
 111         }, {
 112                 .name           = "cf-e320n-v2:red:wan",
 113                 .gpio           = CF_E320N_V2_GPIO_LED_WAN,
 114                 .active_low     = 0,
 115         }, {
 116                 .name           = "cf-e320n-v2:blue:wlan",
 117                 .gpio           = CF_E320N_V2_GPIO_LED_WLAN,
 118                 .active_low     = 0,
 119         },
 120 };
 121
 122 static struct gpio_keys_button cf_e320n_v2_gpio_keys[] __initdata = {
 123         {
 124                 .desc           = "Reset button",
 125                 .type           = EV_KEY,
 126                 .code           = KEY_RESTART,
 127                 .debounce_interval = CF_EXXXN_KEYS_DEBOUNCE_INTERVAL,
 128                 .gpio           = CF_E320N_V2_GPIO_BTN_RESET,
 129                 .active_low     = 1,
 130         },
 131 };
 132
 133 /* CF-E380AC v1/v2 */
 134 #define CF_E380AC_V1V2_GPIO_LED_LAN     0
 135 #define CF_E380AC_V1V2_GPIO_LED_WLAN2G  2
 136 #define CF_E380AC_V1V2_GPIO_LED_WLAN5G  3
 137
 138 #define CF_E380AC_V1V2_GPIO_EXT_WDT     17
 139
 140 #define CF_E380AC_V1V2_GPIO_BTN_RESET   19
 141
 142 static struct gpio_led cf_e380ac_v1_leds_gpio[] __initdata = {
 143         {
 144                 .name           = "cf-e380ac-v1:green:lan",
 145                 .gpio           = CF_E380AC_V1V2_GPIO_LED_LAN,
 146                 .active_low     = 0,
 147         }, {
 148                 .name           = "cf-e380ac-v1:blue:wlan2g",
 149                 .gpio           = CF_E380AC_V1V2_GPIO_LED_WLAN2G,
 150                 .active_low     = 0,
 151         }, {
 152                 .name           = "cf-e380ac-v1:red:wlan5g",
 153                 .gpio           = CF_E380AC_V1V2_GPIO_LED_WLAN5G,
 154                 .active_low     = 0,
 155         },
 156 };
 157
 158 static struct gpio_led cf_e380ac_v2_leds_gpio[] __initdata = {
 159         {
 160                 .name           = "cf-e380ac-v2:green:lan",
 161                 .gpio           = CF_E380AC_V1V2_GPIO_LED_LAN,
 162                 .active_low     = 0,
 163         }, {
 164                 .name           = "cf-e380ac-v2:blue:wlan2g",
 165                 .gpio           = CF_E380AC_V1V2_GPIO_LED_WLAN2G,
 166                 .active_low     = 0,
 167         }, {
 168                 .name           = "cf-e380ac-v2:red:wlan5g",
 169                 .gpio           = CF_E380AC_V1V2_GPIO_LED_WLAN5G,
 170                 .active_low     = 0,
 171         },
 172 };
 173
 174 static struct gpio_keys_button cf_e380ac_v1v2_gpio_keys[] __initdata = {
 175         {
 176                 .desc           = "Reset button",
 177                 .type           = EV_KEY,
 178                 .code           = KEY_RESTART,
 179                 .debounce_interval = CF_EXXXN_KEYS_DEBOUNCE_INTERVAL,
 180                 .gpio           = CF_E380AC_V1V2_GPIO_BTN_RESET,
 181                 .active_low     = 1,
 182         },
 183 };
 184
 185 static struct at803x_platform_data cf_e380ac_v1v2_at803x_data = {
 186         .disable_smarteee = 1,
 187 };
 188
 189 static struct mdio_board_info cf_e380ac_v1v2_mdio0_info[] = {
 190         {
 191                 .bus_id = "ag71xx-mdio.0",
 192                 .phy_addr = 0,
 193                 .platform_data = &cf_e380ac_v1v2_at803x_data,
 194         },
 195 };
 196
 197 /* CF-E520N/CF-E530N */
 198 #define CF_E5X0N_GPIO_LED_WAN           11
 199 #define CF_E5X0N_GPIO_BTN_RESET         17
 200
 201 static struct gpio_led cf_e520n_leds_gpio[] __initdata = {
 202         {
 203                 .name           = "cf-e520n:blue:wan",
 204                 .gpio           = CF_E5X0N_GPIO_LED_WAN,
 205                 .active_low     = 1,
 206         }
 207 };
 208
 209 static struct gpio_led cf_e530n_leds_gpio[] __initdata = {
 210         {
 211                 .name           = "cf-e530n:blue:wan",
 212                 .gpio           = CF_E5X0N_GPIO_LED_WAN,
 213                 .active_low     = 1,
 214         }
 215 };
 216
 217 /*
 218  * Some COMFAST devices include external hardware watchdog chip,
 219  * Pericon Technology PT7A7514, connected to a selected GPIO
 220  * and WiSoC RESET_L input. Watchdog time-out is ~1.6 s.
 221  */
 222 #define CF_EXXXN_EXT_WDT_TIMEOUT_MS     500
 223
 224 static struct timer_list gpio_wdt_timer;
 225
 226 static void gpio_wdt_toggle(unsigned long gpio)
 227 {
 228         static int state;
 229
 230         state = !state;
 231         gpio_set_value(gpio, state);
 232
 233         mod_timer(&gpio_wdt_timer,
 234                   jiffies + msecs_to_jiffies(CF_EXXXN_EXT_WDT_TIMEOUT_MS));
 235 }
 236
 237 static void __init cf_exxxn_common_setup(unsigned long art_ofs, int gpio_wdt)
 238 {
 239         u8 *art = (u8 *) KSEG1ADDR(0x1f001000 + art_ofs);
 240
 241         if (gpio_wdt > -1) {
 242                 gpio_request_one(gpio_wdt, GPIOF_OUT_INIT_HIGH,
 243                                  "PT7A7514 watchdog");
 244
 245                 setup_timer(&gpio_wdt_timer, gpio_wdt_toggle, gpio_wdt);
 246                 gpio_wdt_toggle(gpio_wdt);
 247         }
 248
 249         ath79_register_m25p80(NULL);
 250
 251         ath79_register_wmac(art, NULL);
 252
 253         ath79_register_usb();
 254 }
 255
 256 static void __init cf_e316n_v2_setup(void)
 257 {
 258         u8 *mac = (u8 *) KSEG1ADDR(0x1f010000);
 259
 260         cf_exxxn_common_setup(0x10000, CF_E316N_V2_GPIO_EXT_WDT);
 261
 262         ath79_setup_ar934x_eth_cfg(AR934X_ETH_CFG_SW_PHY_SWAP);
 263
 264         ath79_register_mdio(1, 0x0);
 265
 266         /* GMAC0 is connected to the PHY0 of the internal switch */
 267         ath79_switch_data.phy4_mii_en = 1;
 268         ath79_switch_data.phy_poll_mask = BIT(0);
 269         ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_MII;
 270         ath79_eth0_data.phy_mask = BIT(0);
 271         ath79_eth0_data.mii_bus_dev = &ath79_mdio1_device.dev;
 272         ath79_init_mac(ath79_eth0_data.mac_addr, mac, 0);
 273         ath79_register_eth(0);
 274
 275         /* GMAC1 is connected to the internal switch */
 276         ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_GMII;
 277         ath79_init_mac(ath79_eth1_data.mac_addr, mac, 2);
 278         ath79_register_eth(1);
 279
 280         /* Enable 2x Skyworks SE2576L WLAN power amplifiers */
 281         gpio_request_one(CF_E316N_V2_GPIO_EXTERNAL_PA0, GPIOF_OUT_INIT_HIGH,
 282                          "WLAN PA0");
 283         gpio_request_one(CF_E316N_V2_GPIO_EXTERNAL_PA1, GPIOF_OUT_INIT_HIGH,
 284                          "WLAN PA1");
 285
 286         ath79_register_leds_gpio(-1, ARRAY_SIZE(cf_e316n_v2_leds_gpio),
 287                                  cf_e316n_v2_leds_gpio);
 288
 289         ath79_register_gpio_keys_polled(1, CF_EXXXN_KEYS_POLL_INTERVAL,
 290                                         ARRAY_SIZE(cf_e316n_v2_gpio_keys),
 291                                         cf_e316n_v2_gpio_keys);
 292 }
 293
 294 MIPS_MACHINE(ATH79_MACH_CF_E316N_V2, "CF-E316N-V2", "COMFAST CF-E316N v2",
 295              cf_e316n_v2_setup);
 296
 297 static void __init cf_exxxn_qca953x_eth_setup(void)
 298 {
 299         u8 *mac = (u8 *) KSEG1ADDR(0x1f010000);
 300
 301         ath79_setup_ar933x_phy4_switch(false, false);
 302
 303         ath79_register_mdio(0, 0x0);
 304
 305         ath79_switch_data.phy4_mii_en = 1;
 306         ath79_switch_data.phy_poll_mask |= BIT(4);
 307
 308         /* LAN */
 309         ath79_eth1_data.duplex = DUPLEX_FULL;
 310         ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_GMII;
 311         ath79_eth1_data.speed = SPEED_1000;
 312         ath79_init_mac(ath79_eth1_data.mac_addr, mac, 2);
 313         ath79_register_eth(1);
 314
 315         /* WAN */
 316         ath79_eth0_data.duplex = DUPLEX_FULL;
 317         ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_MII;
 318         ath79_eth0_data.speed = SPEED_100;
 319         ath79_eth0_data.phy_mask = BIT(4);
 320         ath79_init_mac(ath79_eth0_data.mac_addr, mac, 0);
 321         ath79_register_eth(0);
 322 }
 323
 324 static void __init cf_e320n_v2_setup(void)
 325 {
 326         cf_exxxn_common_setup(0x10000, CF_E320N_V2_GPIO_EXT_WDT);
 327
 328         cf_exxxn_qca953x_eth_setup();
 329
 330         /* Disable JTAG (enables GPIO0-3) */
 331         ath79_gpio_function_enable(AR934X_GPIO_FUNC_JTAG_DISABLE);
 332
 333         ath79_gpio_direction_select(CF_E320N_V2_GPIO_LED_LAN, true);
 334         ath79_gpio_direction_select(CF_E320N_V2_GPIO_LED_WAN, true);
 335         ath79_gpio_direction_select(CF_E320N_V2_GPIO_LED_WLAN, true);
 336
 337         ath79_gpio_output_select(CF_E320N_V2_GPIO_LED_LAN, 0);
 338         ath79_gpio_output_select(CF_E320N_V2_GPIO_LED_WAN, 0);
 339         ath79_gpio_output_select(CF_E320N_V2_GPIO_LED_WLAN, 0);
 340
 341         /* Enable GPIO function for GPIOs in J9 header */
 342         ath79_gpio_output_select(CF_E320N_V2_GPIO_HEADER_J9_1, 0);
 343         ath79_gpio_output_select(CF_E320N_V2_GPIO_HEADER_J9_2, 0);
 344         ath79_gpio_output_select(CF_E320N_V2_GPIO_HEADER_J9_3, 0);
 345         ath79_gpio_output_select(CF_E320N_V2_GPIO_HEADER_J9_4, 0);
 346
 347         ath79_register_leds_gpio(-1, ARRAY_SIZE(cf_e320n_v2_leds_gpio),
 348                                  cf_e320n_v2_leds_gpio);
 349
 350         ath79_register_gpio_keys_polled(-1, CF_EXXXN_KEYS_POLL_INTERVAL,
 351                                         ARRAY_SIZE(cf_e320n_v2_gpio_keys),
 352                                         cf_e320n_v2_gpio_keys);
 353 }
 354
 355 MIPS_MACHINE(ATH79_MACH_CF_E320N_V2, "CF-E320N-V2", "COMFAST CF-E320N v2",
 356              cf_e320n_v2_setup);
 357
 358 static void __init cf_e380ac_v1v2_common_setup(unsigned long art_ofs)
 359 {
 360         u8 *mac = (u8 *) KSEG1ADDR(0x1f000000 + art_ofs);
 361
 362         cf_exxxn_common_setup(art_ofs, CF_E380AC_V1V2_GPIO_EXT_WDT);
 363
 364         ath79_setup_qca955x_eth_cfg(QCA955X_ETH_CFG_RGMII_EN);
 365
 366         ath79_register_mdio(0, 0x0);
 367         mdiobus_register_board_info(cf_e380ac_v1v2_mdio0_info,
 368                                     ARRAY_SIZE(cf_e380ac_v1v2_mdio0_info));
 369
 370         /* LAN */
 371         ath79_eth0_data.mii_bus_dev = &ath79_mdio0_device.dev;
 372         ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
 373         ath79_eth0_data.phy_mask = BIT(0);
 374         ath79_eth0_pll_data.pll_1000 = 0xbe000000;
 375         ath79_eth0_pll_data.pll_100 = 0xb0000101;
 376         ath79_eth0_pll_data.pll_10 = 0xb0001313;
 377         ath79_init_mac(ath79_eth0_data.mac_addr, mac, 0);
 378         ath79_register_eth(0);
 379
 380         ap91_pci_init(mac + 0x5000, NULL);
 381
 382         /* Disable JTAG (enables GPIO0-3) */
 383         ath79_gpio_function_enable(AR934X_GPIO_FUNC_JTAG_DISABLE);
 384
 385         ath79_gpio_direction_select(CF_E380AC_V1V2_GPIO_LED_LAN, true);
 386         ath79_gpio_direction_select(CF_E380AC_V1V2_GPIO_LED_WLAN2G, true);
 387         ath79_gpio_direction_select(CF_E380AC_V1V2_GPIO_LED_WLAN5G, true);
 388
 389         ath79_gpio_output_select(CF_E380AC_V1V2_GPIO_LED_LAN, 0);
 390         ath79_gpio_output_select(CF_E380AC_V1V2_GPIO_LED_WLAN2G, 0);
 391         ath79_gpio_output_select(CF_E380AC_V1V2_GPIO_LED_WLAN5G, 0);
 392
 393         /* For J7-4 */
 394         ath79_gpio_function_disable(AR934X_GPIO_FUNC_CLK_OBS4_EN);
 395
 396         ath79_register_gpio_keys_polled(-1, CF_EXXXN_KEYS_POLL_INTERVAL,
 397                                         ARRAY_SIZE(cf_e380ac_v1v2_gpio_keys),
 398                                         cf_e380ac_v1v2_gpio_keys);
 399 }
 400
 401 static void __init cf_e380ac_v1_setup(void)
 402 {
 403         cf_e380ac_v1v2_common_setup(0x20000);
 404
 405         ath79_register_leds_gpio(-1, ARRAY_SIZE(cf_e380ac_v1_leds_gpio),
 406                                  cf_e380ac_v1_leds_gpio);
 407 }
 408
 409 MIPS_MACHINE(ATH79_MACH_CF_E380AC_V1, "CF-E380AC-V1", "COMFAST CF-E380AC v1",
 410              cf_e380ac_v1_setup);
 411
 412 static void __init cf_e380ac_v2_setup(void)
 413 {
 414         cf_e380ac_v1v2_common_setup(0x40000);
 415
 416         ath79_register_leds_gpio(-1, ARRAY_SIZE(cf_e380ac_v2_leds_gpio),
 417                                  cf_e380ac_v2_leds_gpio);
 418 }
 419
 420 MIPS_MACHINE(ATH79_MACH_CF_E380AC_V2, "CF-E380AC-V2", "COMFAST CF-E380AC v2",
 421              cf_e380ac_v2_setup);
 422
 423 static void __init cf_e5x0n_gpio_setup(void)
 424 {
 425         ath79_gpio_direction_select(CF_E5X0N_GPIO_LED_WAN, true);
 426
 427         ath79_gpio_output_select(CF_E5X0N_GPIO_LED_WAN, 0);
 428
 429         ath79_register_gpio_keys_polled(-1, CF_EXXXN_KEYS_POLL_INTERVAL,
 430                                         ARRAY_SIZE(cf_e320n_v2_gpio_keys),
 431                                         cf_e320n_v2_gpio_keys);
 432 }
 433
 434 static void __init cf_e520n_setup(void)
 435 {
 436         cf_exxxn_common_setup(0x10000, -1);
 437
 438         cf_exxxn_qca953x_eth_setup();
 439
 440         cf_e5x0n_gpio_setup();
 441
 442         ath79_register_leds_gpio(-1, ARRAY_SIZE(cf_e520n_leds_gpio),
 443                                  cf_e520n_leds_gpio);
 444 }
 445
 446 MIPS_MACHINE(ATH79_MACH_CF_E520N, "CF-E520N", "COMFAST CF-E520N",
 447              cf_e520n_setup);
 448
 449 static void __init cf_e530n_setup(void)
 450 {
 451         cf_exxxn_common_setup(0x10000, -1);
 452
 453         cf_exxxn_qca953x_eth_setup();
 454
 455         cf_e5x0n_gpio_setup();
 456
 457         ath79_register_leds_gpio(-1, ARRAY_SIZE(cf_e530n_leds_gpio),
 458                                  cf_e530n_leds_gpio);
 459 }
 460
 461 MIPS_MACHINE(ATH79_MACH_CF_E530N, "CF-E530N", "COMFAST CF-E530N",
 462              cf_e530n_setup);