target/linux/ar71xx/files/arch/mips/ath79/mach-antminer-s3.c

   1 /*
   2  *   Bitmain Antminer S3 board support
   3  *
   4  *  Copyright (C) 2015 L. D. Pinney <ldpinney@gmail.com>
   5  *
   6  *  This program is free software; you can redistribute it and/or modify it
   7  *  under the terms of the GNU General Public License version 2 as published
   8  *  by the Free Software Foundation.
   9  */
  10
  11 #include <linux/gpio.h>
  12
  13 #include <asm/mach-ath79/ath79.h>
  14 #include <asm/mach-ath79/ar71xx_regs.h>
  15
  16 #include "common.h"
  17 #include "dev-eth.h"
  18 #include "dev-gpio-buttons.h"
  19 #include "dev-leds-gpio.h"
  20 #include "dev-m25p80.h"
  21 #include "dev-wmac.h"
  22 #include "machtypes.h"
  23 #include "dev-usb.h"
  24
  25 #define ANTMINER_S3_GPIO_LED_WLAN               0
  26 #define ANTMINER_S3_GPIO_LED_SYSTEM             17
  27 #define ANTMINER_S3_GPIO_LED_LAN                22
  28
  29 #define ANTMINER_S3_GPIO_BTN_RESET              11
  30
  31 #define ANTMINER_S3_KEYSPOLL_INTERVAL   88      /* msecs */
  32 #define ANTMINER_S3_KEYSDEBOUNCE_INTERVAL (3 * ANTMINER_S3_KEYSPOLL_INTERVAL)
  33
  34 static const char *ANTMINER_S3_part_probes[] = {
  35         "tp-link",
  36         NULL,
  37 };
  38
  39 static struct flash_platform_data ANTMINER_S3_flash_data = {
  40         .part_probes    = ANTMINER_S3_part_probes,
  41 };
  42
  43 static struct gpio_led ANTMINER_S3_leds_gpio[] __initdata = {
  44         {
  45                 .name           = "bitmain:green:wlan",
  46                 .gpio           = ANTMINER_S3_GPIO_LED_WLAN,
  47                 .active_low     = 0,
  48         },{
  49                 .name           = "bitmain:green:system",
  50                 .gpio           = ANTMINER_S3_GPIO_LED_SYSTEM,
  51                 .active_low     = 0,
  52         },{
  53                 .name           = "bitmain:yellow:lan",
  54                 .gpio           = ANTMINER_S3_GPIO_LED_LAN,
  55                 .active_low     = 0,
  56         },
  57 };
  58
  59 static struct gpio_keys_button ANTMINER_S3_GPIO_keys[] __initdata = {
  60         {
  61                 .desc           = "reset",
  62                 .type           = EV_KEY,
  63                 .code           = KEY_RESTART,
  64                 .debounce_interval = ANTMINER_S3_KEYSDEBOUNCE_INTERVAL,
  65                 .gpio           = ANTMINER_S3_GPIO_BTN_RESET,
  66                 .active_low     = 0,
  67         },
  68 };
  69
  70 static void __init antminer_s3_setup(void)
  71 {
  72         u8 *mac = (u8 *) KSEG1ADDR(0x1f01fc00);
  73         u8 *ee = (u8 *) KSEG1ADDR(0x1fff1000);
  74
  75         /* disable PHY_SWAP and PHY_ADDR_SWAP bits */
  76         ath79_setup_ar933x_phy4_switch(false, false);
  77
  78         ath79_register_leds_gpio(-1, ARRAY_SIZE(ANTMINER_S3_leds_gpio),
  79                                  ANTMINER_S3_leds_gpio);
  80
  81         ath79_register_gpio_keys_polled(-1, ANTMINER_S3_KEYSPOLL_INTERVAL,
  82                                         ARRAY_SIZE(ANTMINER_S3_GPIO_keys),
  83                                         ANTMINER_S3_GPIO_keys);
  84         ath79_register_usb();
  85
  86         ath79_register_m25p80(&ANTMINER_S3_flash_data);
  87         ath79_init_mac(ath79_eth0_data.mac_addr, mac, 1);
  88         ath79_init_mac(ath79_eth1_data.mac_addr, mac, -1);
  89
  90         ath79_register_mdio(0, 0x0);
  91         ath79_register_eth(0);
  92         ath79_register_eth(1);
  93
  94         ath79_register_wmac(ee, mac);
  95 }
  96
  97 MIPS_MACHINE(ATH79_MACH_ANTMINER_S3, "ANTMINER-S3",
  98              "Bitmain Antminer S3", antminer_s3_setup);