target/linux/ar71xx/files/arch/mips/ath79/mach-antminer-s1.c

   1 /*
   2  *   Bitmain Antminer S1 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_S1_GPIO_BTN_RESET              11
  26
  27 #define ANTMINER_S1_GPIO_LED_SYSTEM             23
  28 #define ANTMINER_S1_GPIO_LED_WLAN               0
  29 #define ANTMINER_S1_GPIO_USB_POWER              26
  30
  31 #define ANTMINER_S1_KEYSPOLL_INTERVAL   20      /* msecs */
  32 #define ANTMINER_S1_KEYSDEBOUNCE_INTERVAL (3 * ANTMINER_S1_KEYSPOLL_INTERVAL)
  33
  34 static const char *ANTMINER_S1_part_probes[] = {
  35         "tp-link",
  36         NULL,
  37 };
  38
  39 static struct flash_platform_data ANTMINER_S1_flash_data = {
  40         .part_probes    = ANTMINER_S1_part_probes,
  41 };
  42
  43 static struct gpio_led ANTMINER_S1_leds_gpio[] __initdata = {
  44         {
  45                 .name           = "antminer-s1:green:system",
  46                 .gpio           = ANTMINER_S1_GPIO_LED_SYSTEM,
  47                 .active_low     = 0,
  48         },{
  49                 .name           = "antminer-s1:green:wlan",
  50                 .gpio           = ANTMINER_S1_GPIO_LED_WLAN,
  51                 .active_low     = 0,
  52         },
  53 };
  54
  55 static struct gpio_keys_button ANTMINER_S1_GPIO_keys[] __initdata = {
  56         {
  57                 .desc           = "reset",
  58                 .type           = EV_KEY,
  59                 .code           = KEY_RESTART,
  60                 .debounce_interval = ANTMINER_S1_KEYSDEBOUNCE_INTERVAL,
  61                 .gpio           = ANTMINER_S1_GPIO_BTN_RESET,
  62                 .active_low     = 0,
  63         },
  64 };
  65
  66 static void __init antminer_s1_setup(void)
  67 {
  68         u8 *mac = (u8 *) KSEG1ADDR(0x1f01fc00);
  69         u8 *ee = (u8 *) KSEG1ADDR(0x1fff1000);
  70
  71         /* disable PHY_SWAP and PHY_ADDR_SWAP bits */
  72         ath79_setup_ar933x_phy4_switch(false, false);
  73
  74         ath79_register_leds_gpio(-1, ARRAY_SIZE(ANTMINER_S1_leds_gpio),
  75                                  ANTMINER_S1_leds_gpio);
  76
  77         ath79_register_gpio_keys_polled(-1, ANTMINER_S1_KEYSPOLL_INTERVAL,
  78                                         ARRAY_SIZE(ANTMINER_S1_GPIO_keys),
  79                                         ANTMINER_S1_GPIO_keys);
  80
  81         gpio_request_one(ANTMINER_S1_GPIO_USB_POWER,
  82                          GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_FIXED,
  83                          "USB power");
  84         ath79_register_usb();
  85
  86         ath79_register_m25p80(&ANTMINER_S1_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_S1, "ANTMINER-S1",
  98              "Antminer-S1", antminer_s1_setup);