target/linux/ar71xx/files/arch/mips/ath79/mach-wnr2000-v3.c

   1 /*
   2  *  NETGEAR WNR2000v3/WNR612v2/WNR1000v2/WPN824N board support
   3  *
   4  *  Copyright (C) 2015 Hartmut Knaack <knaack.h@gmx.de>
   5  *  Copyright (C) 2013 Mathieu Olivari <mathieu.olivari@gmail.com>
   6  *  Copyright (C) 2008-2009 Gabor Juhos <juhosg@openwrt.org>
   7  *  Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
   8  *  Copyright (C) 2008-2009 Andy Boyett <agb@openwrt.org>
   9  *
  10  *  This program is free software; you can redistribute it and/or modify it
  11  *  under the terms of the GNU General Public License version 2 as published
  12  *  by the Free Software Foundation.
  13  */
  14
  15 #include <linux/mtd/mtd.h>
  16 #include <linux/mtd/partitions.h>
  17 #include <linux/kernel.h> /* for max() macro */
  18 #include <linux/platform_device.h> /* PLATFORM_DEVID_AUTO is defined here */
  19
  20 #include <asm/mach-ath79/ath79.h>
  21 #include <asm/mach-ath79/ar71xx_regs.h> /* needed to disable switch LEDs */
  22 #include "common.h" /* needed to disable switch LEDs */
  23
  24 #include "dev-ap9x-pci.h"
  25 #include "dev-eth.h"
  26 #include "dev-gpio-buttons.h"
  27 #include "dev-leds-gpio.h"
  28 #include "dev-m25p80.h"
  29 #include "machtypes.h"
  30
  31 /* WNR2000v3 - connected through AR7241 */
  32 #define WNR2000V3_GPIO_LED_WAN_GREEN    0
  33 #define WNR2000V3_GPIO_LED_LAN1_AMBER   1
  34 #define WNR2000V3_GPIO_LED_LAN2_AMBER   6
  35 #define WNR2000V3_GPIO_LED_WPS_GREEN    7
  36 #define WNR2000V3_GPIO_LED_LAN3_AMBER   8
  37 #define WNR2000V3_GPIO_BTN_WPS          11
  38 #define WNR2000V3_GPIO_LED_LAN4_AMBER   12
  39 #define WNR2000V3_GPIO_LED_LAN1_GREEN   13
  40 #define WNR2000V3_GPIO_LED_LAN2_GREEN   14
  41 #define WNR2000V3_GPIO_LED_LAN3_GREEN   15
  42 #define WNR2000V3_GPIO_LED_LAN4_GREEN   16
  43 #define WNR2000V3_GPIO_LED_WAN_AMBER    17
  44
  45 /* WNR2000v3 - connected through AR9287 */
  46 #define WNR2000V3_GPIO_WMAC_LED_WLAN_BLUE       1
  47 #define WNR2000V3_GPIO_WMAC_LED_TEST_AMBER      2
  48 #define WNR2000V3_GPIO_WMAC_LED_POWER_GREEN     3
  49 #define WNR2000V3_GPIO_WMAC_BTN_RESET           8
  50 #define WNR2000V3_GPIO_WMAC_BTN_RFKILL          9
  51
  52 #define WNR612V2_GPIO_LED_PWR_GREEN     11
  53
  54 #define WNR1000V2_GPIO_LED_PWR_AMBER    1
  55 #define WNR1000V2_GPIO_LED_PWR_GREEN    11
  56
  57 /* Connected through AR7240 */
  58 #define WPN824N_GPIO_LED_WAN_AMBER      0
  59 #define WPN824N_GPIO_LED_STATUS_AMBER   1
  60 #define WPN824N_GPIO_LED_LAN1_AMBER     6 /* AR724X_GPIO_FUNC_JTAG_DISABLE */
  61 #define WPN824N_GPIO_LED_LAN2_AMBER     7 /* AR724X_GPIO_FUNC_JTAG_DISABLE */
  62 #define WPN824N_GPIO_LED_LAN3_AMBER     8 /* AR724X_GPIO_FUNC_JTAG_DISABLE */
  63 #define WPN824N_GPIO_LED_LAN4_AMBER     12
  64 #define WPN824N_GPIO_LED_LAN1_GREEN     13
  65 #define WPN824N_GPIO_LED_LAN2_GREEN     14
  66 #define WPN824N_GPIO_LED_LAN3_GREEN     15 /* AR724X_GPIO_FUNC_CLK_OBS3_EN */
  67 #define WPN824N_GPIO_LED_LAN4_GREEN     16
  68 #define WPN824N_GPIO_LED_WAN_GREEN      17
  69
  70 /* Connected through AR9285 */
  71 #define WPN824N_WGPIO_LED_PWR_GREEN     0
  72 #define WPN824N_WGPIO_LED_WLAN_BLUE     1
  73 #define WPN824N_WGPIO_LED_WPS1_BLUE     5
  74 #define WPN824N_WGPIO_LED_WPS2_BLUE     9
  75 #define WPN824N_WGPIO_LED_TEST_AMBER    10
  76 #define WPN824N_WGPIO_BTN_PUSH          6       /* currently unused */
  77 #define WPN824N_WGPIO_BTN_RESET         7       /* currently unused */
  78 #define WPN824N_WGPIO_BTN_WLAN          8       /* currently unused */
  79
  80 #define WNR2000V3_KEYS_POLL_INTERVAL    20      /* msecs */
  81 #define WNR2000V3_KEYS_DEBOUNCE_INTERVAL        (3 * WNR2000V3_KEYS_POLL_INTERVAL)
  82
  83 /* ART offsets for: WNR2000v3, WNR612v2 */
  84 #define WNR2000V3_MAC0_OFFSET           0
  85 #define WNR2000V3_MAC1_OFFSET           6
  86 #define WNR2000V3_PCIE_CALDATA_OFFSET   0x1000
  87 #define WNR2000V3_WMAC_OFFSET           0x108c  /* wireless MAC is inside ART */
  88
  89 static struct gpio_led wnr2000v3_leds_gpio[] __initdata = {
  90         {
  91                 .name           = "netgear:green:wan",
  92                 .gpio           = WNR2000V3_GPIO_LED_WAN_GREEN,
  93                 .active_low     = 1,
  94         }, {
  95                 .name           = "netgear:amber:lan1",
  96                 .gpio           = WNR2000V3_GPIO_LED_LAN1_AMBER,
  97                 .active_low     = 1,
  98         }, {
  99                 .name           = "netgear:amber:lan2",
 100                 .gpio           = WNR2000V3_GPIO_LED_LAN2_AMBER,
 101                 .active_low     = 1,
 102         }, {
 103                 .name           = "netgear:amber:lan3",
 104                 .gpio           = WNR2000V3_GPIO_LED_LAN3_AMBER,
 105                 .active_low     = 1,
 106         }, {
 107                 .name           = "netgear:amber:lan4",
 108                 .gpio           = WNR2000V3_GPIO_LED_LAN4_AMBER,
 109                 .active_low     = 1,
 110         }, {
 111                 .name           = "netgear:green:wps",
 112                 .gpio           = WNR2000V3_GPIO_LED_WPS_GREEN,
 113                 .active_low     = 1,
 114         }, {
 115                 .name           = "netgear:green:lan1",
 116                 .gpio           = WNR2000V3_GPIO_LED_LAN1_GREEN,
 117                 .active_low     = 1,
 118         }, {
 119                 .name           = "netgear:green:lan2",
 120                 .gpio           = WNR2000V3_GPIO_LED_LAN2_GREEN,
 121                 .active_low     = 1,
 122         }, {
 123                 .name           = "netgear:green:lan3",
 124                 .gpio           = WNR2000V3_GPIO_LED_LAN3_GREEN,
 125                 .active_low     = 1,
 126         }, {
 127                 .name           = "netgear:green:lan4",
 128                 .gpio           = WNR2000V3_GPIO_LED_LAN4_GREEN,
 129                 .active_low     = 1,
 130         }, {
 131                 .name           = "netgear:amber:wan",
 132                 .gpio           = WNR2000V3_GPIO_LED_WAN_AMBER,
 133                 .active_low     = 1,
 134         }
 135 };
 136
 137 static struct gpio_led wnr2000v3_wmac_leds_gpio[] = {
 138         {
 139                 .name           = "netgear:green:power",
 140                 .gpio           = WNR2000V3_GPIO_WMAC_LED_POWER_GREEN,
 141                 .active_low     = 1,
 142                 .default_state  = LEDS_GPIO_DEFSTATE_ON,
 143         }, {
 144                 .name           = "netgear:amber:test",
 145                 .gpio           = WNR2000V3_GPIO_WMAC_LED_TEST_AMBER,
 146                 .active_low     = 1,
 147         }
 148 };
 149
 150 static const char *wnr2000v3_wmac_led_name = "netgear:blue:wlan";
 151
 152 static struct gpio_led wnr612v2_leds_gpio[] __initdata = {
 153         {
 154                 .name           = "netgear:green:power",
 155                 .gpio           = WNR612V2_GPIO_LED_PWR_GREEN,
 156                 .active_low     = 1,
 157         }
 158 };
 159
 160 static struct gpio_led wnr1000v2_leds_gpio[] __initdata = {
 161         {
 162                 .name           = "netgear:green:power",
 163                 .gpio           = WNR1000V2_GPIO_LED_PWR_GREEN,
 164                 .active_low     = 1,
 165         }, {
 166                 .name           = "netgear:amber:power",
 167                 .gpio           = WNR1000V2_GPIO_LED_PWR_AMBER,
 168                 .active_low     = 1,
 169         }
 170 };
 171
 172 static struct gpio_led wpn824n_leds_gpio[] __initdata = {
 173         {
 174                 .name           = "netgear:amber:wan",
 175                 .gpio           = WPN824N_GPIO_LED_WAN_AMBER,
 176                 .active_low     = 1,
 177         }, {
 178                 .name           = "netgear:amber:status",
 179                 .gpio           = WPN824N_GPIO_LED_STATUS_AMBER,
 180                 .active_low     = 1,
 181         }, {
 182                 .name           = "netgear:amber:lan1",
 183                 .gpio           = WPN824N_GPIO_LED_LAN1_AMBER,
 184                 .active_low     = 1,
 185         }, {
 186                 .name           = "netgear:amber:lan2",
 187                 .gpio           = WPN824N_GPIO_LED_LAN2_AMBER,
 188                 .active_low     = 1,
 189         }, {
 190                 .name           = "netgear:amber:lan3",
 191                 .gpio           = WPN824N_GPIO_LED_LAN3_AMBER,
 192                 .active_low     = 1,
 193         }, {
 194                 .name           = "netgear:amber:lan4",
 195                 .gpio           = WPN824N_GPIO_LED_LAN4_AMBER,
 196                 .active_low     = 1,
 197         }, {
 198                 .name           = "netgear:green:lan1",
 199                 .gpio           = WPN824N_GPIO_LED_LAN1_GREEN,
 200                 .active_low     = 1,
 201         }, {
 202                 .name           = "netgear:green:lan2",
 203                 .gpio           = WPN824N_GPIO_LED_LAN2_GREEN,
 204                 .active_low     = 1,
 205         }, {
 206                 .name           = "netgear:green:lan3",
 207                 .gpio           = WPN824N_GPIO_LED_LAN3_GREEN,
 208                 .active_low     = 1,
 209         }, {
 210                 .name           = "netgear:green:lan4",
 211                 .gpio           = WPN824N_GPIO_LED_LAN4_GREEN,
 212                 .active_low     = 1,
 213         }, {
 214                 .name           = "netgear:green:wan",
 215                 .gpio           = WPN824N_GPIO_LED_WAN_GREEN,
 216                 .active_low     = 1,
 217         }
 218 };
 219
 220 static struct gpio_led wpn824n_wmac_leds_gpio[] = {
 221         {
 222                 .name           = "netgear:green:power",
 223                 .gpio           = WPN824N_WGPIO_LED_PWR_GREEN,
 224                 .active_low     = 1,
 225         }, {
 226                 .name           = "netgear:blue:wlan",
 227                 .gpio           = WPN824N_WGPIO_LED_WLAN_BLUE,
 228                 .active_low     = 1,
 229         }, {
 230                 .name           = "netgear:blue:wps1",
 231                 .gpio           = WPN824N_WGPIO_LED_WPS1_BLUE,
 232                 .active_low     = 1,
 233         }, {
 234                 .name           = "netgear:blue:wps2",
 235                 .gpio           = WPN824N_WGPIO_LED_WPS2_BLUE,
 236                 .active_low     = 1,
 237         }, {
 238                 .name           = "netgear:amber:test",
 239                 .gpio           = WPN824N_WGPIO_LED_TEST_AMBER,
 240                 .active_low     = 1,
 241         }
 242 };
 243
 244 static struct gpio_keys_button wnr2000v3_keys_gpio[] __initdata = {
 245         {
 246                 .desc           = "wps",
 247                 .type           = EV_KEY,
 248                 .code           = KEY_WPS_BUTTON,
 249                 .debounce_interval = WNR2000V3_KEYS_DEBOUNCE_INTERVAL,
 250                 .gpio           = WNR2000V3_GPIO_BTN_WPS,
 251                 .active_low     = 1,
 252         }
 253 };
 254
 255 static struct gpio_keys_button wnr2000v3_wmac_keys_gpio[] = {
 256         {
 257                 .desc           = "reset",
 258                 .type           = EV_KEY,
 259                 .code           = KEY_RESTART,
 260                 .debounce_interval = WNR2000V3_KEYS_DEBOUNCE_INTERVAL,
 261                 .gpio           = WNR2000V3_GPIO_WMAC_BTN_RESET,
 262                 .active_low     = 1,
 263         }, {
 264                 .desc           = "rfkill",
 265                 .type           = EV_KEY,
 266                 .code           = KEY_RFKILL,
 267                 .debounce_interval = WNR2000V3_KEYS_DEBOUNCE_INTERVAL,
 268                 .gpio           = WNR2000V3_GPIO_WMAC_BTN_RFKILL,
 269                 .active_low     = 1,
 270         }
 271 };
 272
 273 /*
 274  * For WNR2000v3 ART flash area used for WLAN MAC is usually empty (0xff)
 275  * so ath9k driver uses random MAC instead each time module is loaded.
 276  * To fix that, assign permanent WLAN MAC equal to ethN's MAC plus 1,
 277  * so network interfaces get sequential addresses.
 278  * If ART wireless MAC address field has been filled by user, use it.
 279  */
 280 static void __init wnr_get_wmac(u8 *wmac_gen_addr, int mac0_art_offset,
 281                                 int mac1_art_offset, int wmac_art_offset)
 282 {
 283         u8 *art = (u8 *) KSEG1ADDR(0x1fff0000);
 284         u8 *eth0_mac_addr = (u8 *) (art + mac0_art_offset);
 285         u8 *eth1_mac_addr = (u8 *) (art + mac1_art_offset);
 286         u8 *wlan_mac_addr = (u8 *) (art + wmac_art_offset);
 287
 288         /* only 0xff if all bits are set - address is invalid, empty area */
 289         if ((wlan_mac_addr[0] & wlan_mac_addr[1] & wlan_mac_addr[2] &
 290              wlan_mac_addr[3] & wlan_mac_addr[4] & wlan_mac_addr[5]) == 0xff) {
 291                 memcpy(wmac_gen_addr, eth0_mac_addr, 5);
 292                 wmac_gen_addr[5] = max(eth0_mac_addr[5], eth1_mac_addr[5]) + 1;
 293
 294                 /* Avoid potential conflict in case max(0xff,0x00)+1==0x00 */
 295                 if (!wmac_gen_addr[5])
 296                         wmac_gen_addr[5] = 1;
 297         } else
 298                 memcpy(wmac_gen_addr, wlan_mac_addr, 6);
 299 }
 300
 301 static void __init wnr_common_setup(u8 *wmac_addr)
 302 {
 303         u8 *art = (u8 *) KSEG1ADDR(0x1fff0000);
 304
 305         ath79_register_mdio(0, 0x0);
 306
 307         ath79_init_mac(ath79_eth0_data.mac_addr, art+WNR2000V3_MAC0_OFFSET, 0);
 308         ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
 309         ath79_eth0_data.speed = SPEED_100;
 310         ath79_eth0_data.duplex = DUPLEX_FULL;
 311
 312         ath79_init_mac(ath79_eth1_data.mac_addr, art+WNR2000V3_MAC1_OFFSET, 0);
 313         ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
 314         ath79_eth1_data.phy_mask = 0x10;
 315
 316         ath79_register_eth(0);
 317         ath79_register_eth(1);
 318
 319         ath79_register_m25p80(NULL);
 320         ap91_pci_init(art + WNR2000V3_PCIE_CALDATA_OFFSET, wmac_addr);
 321 }
 322
 323 static void __init wnr2000v3_setup(void)
 324 {
 325         u8 wlan_mac_addr[6];
 326
 327         /*
 328          * Disable JTAG to use all AR724X GPIO LEDs.
 329          * Also disable CLKs and bit 20 as u-boot does.
 330          * Finally, allow OS to control all link LEDs.
 331          */
 332         ath79_gpio_function_setup(AR724X_GPIO_FUNC_JTAG_DISABLE |
 333                                   AR724X_GPIO_FUNC_UART_EN,
 334                                   AR724X_GPIO_FUNC_CLK_OBS1_EN |
 335                                   AR724X_GPIO_FUNC_CLK_OBS2_EN |
 336                                   AR724X_GPIO_FUNC_CLK_OBS3_EN |
 337                                   AR724X_GPIO_FUNC_CLK_OBS4_EN |
 338                                   AR724X_GPIO_FUNC_CLK_OBS5_EN |
 339                                   AR724X_GPIO_FUNC_GE0_MII_CLK_EN |
 340                                   AR724X_GPIO_FUNC_ETH_SWITCH_LED0_EN |
 341                                   AR724X_GPIO_FUNC_ETH_SWITCH_LED1_EN |
 342                                   AR724X_GPIO_FUNC_ETH_SWITCH_LED2_EN |
 343                                   AR724X_GPIO_FUNC_ETH_SWITCH_LED3_EN |
 344                                   AR724X_GPIO_FUNC_ETH_SWITCH_LED4_EN |
 345                                   BIT(20));
 346
 347         wnr_get_wmac(wlan_mac_addr, WNR2000V3_MAC0_OFFSET,
 348                      WNR2000V3_MAC1_OFFSET, WNR2000V3_WMAC_OFFSET);
 349
 350         wnr_common_setup(wlan_mac_addr);
 351
 352         ath79_register_leds_gpio(-1, ARRAY_SIZE(wnr2000v3_leds_gpio),
 353                                  wnr2000v3_leds_gpio);
 354
 355         /* Do not use id=-1, we can have more GPIO key-polled devices */
 356         ath79_register_gpio_keys_polled(PLATFORM_DEVID_AUTO,
 357                                         WNR2000V3_KEYS_POLL_INTERVAL,
 358                                         ARRAY_SIZE(wnr2000v3_keys_gpio),
 359                                         wnr2000v3_keys_gpio);
 360
 361         ap9x_pci_setup_wmac_led_pin(0, WNR2000V3_GPIO_WMAC_LED_WLAN_BLUE);
 362         ap9x_pci_setup_wmac_led_name(0, wnr2000v3_wmac_led_name);
 363
 364         ap9x_pci_setup_wmac_leds(0, wnr2000v3_wmac_leds_gpio,
 365                                  ARRAY_SIZE(wnr2000v3_wmac_leds_gpio));
 366
 367         ap9x_pci_setup_wmac_btns(0, wnr2000v3_wmac_keys_gpio,
 368                                  ARRAY_SIZE(wnr2000v3_wmac_keys_gpio),
 369                                  WNR2000V3_KEYS_POLL_INTERVAL);
 370 }
 371
 372 MIPS_MACHINE(ATH79_MACH_WNR2000_V3, "WNR2000V3", "NETGEAR WNR2000 V3", wnr2000v3_setup);
 373
 374 static void __init wnr612v2_setup(void)
 375 {
 376         u8 wlan_mac_addr[6];
 377
 378         wnr_get_wmac(wlan_mac_addr, WNR2000V3_MAC0_OFFSET,
 379                      WNR2000V3_MAC1_OFFSET, WNR2000V3_WMAC_OFFSET);
 380
 381         wnr_common_setup(wlan_mac_addr);
 382
 383         ath79_register_leds_gpio(-1, ARRAY_SIZE(wnr612v2_leds_gpio),
 384                                  wnr612v2_leds_gpio);
 385 }
 386
 387 MIPS_MACHINE(ATH79_MACH_WNR612_V2, "WNR612V2", "NETGEAR WNR612 V2", wnr612v2_setup);
 388
 389 static void __init wnr1000v2_setup(void)
 390 {
 391         wnr_common_setup(NULL);
 392
 393         ath79_register_leds_gpio(-1, ARRAY_SIZE(wnr1000v2_leds_gpio),
 394                                  wnr1000v2_leds_gpio);
 395 }
 396
 397 MIPS_MACHINE(ATH79_MACH_WNR1000_V2, "WNR1000V2", "NETGEAR WNR1000 V2", wnr1000v2_setup);
 398
 399 static void __init wpn824n_setup(void)
 400 {
 401         ath79_gpio_function_setup(AR724X_GPIO_FUNC_JTAG_DISABLE,
 402                                   AR724X_GPIO_FUNC_ETH_SWITCH_LED0_EN |
 403                                   AR724X_GPIO_FUNC_ETH_SWITCH_LED1_EN |
 404                                   AR724X_GPIO_FUNC_ETH_SWITCH_LED2_EN |
 405                                   AR724X_GPIO_FUNC_ETH_SWITCH_LED3_EN |
 406                                   AR724X_GPIO_FUNC_ETH_SWITCH_LED4_EN |
 407                                   AR724X_GPIO_FUNC_CLK_OBS3_EN);
 408
 409         wnr_common_setup(NULL);
 410
 411         ath79_register_leds_gpio(-1, ARRAY_SIZE(wpn824n_leds_gpio),
 412                                  wpn824n_leds_gpio);
 413
 414         ap9x_pci_setup_wmac_led_pin(0, WPN824N_WGPIO_LED_WLAN_BLUE);
 415         ap9x_pci_setup_wmac_leds(0, wpn824n_wmac_leds_gpio,
 416                                  ARRAY_SIZE(wpn824n_wmac_leds_gpio));
 417 }
 418
 419 MIPS_MACHINE(ATH79_MACH_WPN824N, "WPN824N", "NETGEAR WPN824N", wpn824n_setup);