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 #define ANTMINER_S3_GPIO_USB_POWER              26
  29
  30 #define ANTMINER_S3_GPIO_BTN_RESET              11
  31
  32 #define ANTMINER_S3_KEYSPOLL_INTERVAL   88      /* msecs */
  33 #define ANTMINER_S3_KEYSDEBOUNCE_INTERVAL (3 * ANTMINER_S3_KEYSPOLL_INTERVAL)
  34
  35 static const char *ANTMINER_S3_part_probes[] = {
  36         "tp-link",
  37         NULL,
  38 };
  39
  40 static struct flash_platform_data ANTMINER_S3_flash_data = {
  41         .part_probes    = ANTMINER_S3_part_probes,
  42 };
  43
  44 static struct gpio_led ANTMINER_S3_leds_gpio[] __initdata = {
  45         {
  46                 .name           = "antminer-s3:green:wlan",
  47                 .gpio           = ANTMINER_S3_GPIO_LED_WLAN,
  48                 .active_low     = 0,
  49         },{
  50                 .name           = "antminer-s3:green:system",
  51                 .gpio           = ANTMINER_S3_GPIO_LED_SYSTEM,
  52                 .active_low     = 0,
  53         },{
  54                 .name           = "antminer-s3:yellow:lan",
  55                 .gpio           = ANTMINER_S3_GPIO_LED_LAN,
  56                 .active_low     = 0,
  57         },
  58 };
  59
  60 static struct gpio_keys_button ANTMINER_S3_GPIO_keys[] __initdata = {
  61         {
  62                 .desc           = "reset",
  63                 .type           = EV_KEY,
  64                 .code           = KEY_RESTART,
  65                 .debounce_interval = ANTMINER_S3_KEYSDEBOUNCE_INTERVAL,
  66                 .gpio           = ANTMINER_S3_GPIO_BTN_RESET,
  67                 .active_low     = 0,
  68         },
  69 };
  70
  71 static void __init antminer_s3_setup(void)
  72 {
  73         u8 *mac = (u8 *) KSEG1ADDR(0x1f01fc00);
  74         u8 *ee = (u8 *) KSEG1ADDR(0x1fff1000);
  75
  76         /* disable PHY_SWAP and PHY_ADDR_SWAP bits */
  77         ath79_setup_ar933x_phy4_switch(false, false);
  78
  79         ath79_register_leds_gpio(-1, ARRAY_SIZE(ANTMINER_S3_leds_gpio),
  80                                  ANTMINER_S3_leds_gpio);
  81
  82         ath79_register_gpio_keys_polled(-1, ANTMINER_S3_KEYSPOLL_INTERVAL,
  83                                         ARRAY_SIZE(ANTMINER_S3_GPIO_keys),
  84                                         ANTMINER_S3_GPIO_keys);
  85
  86         gpio_request_one(ANTMINER_S3_GPIO_USB_POWER,
  87                          GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_FIXED,
  88                          "USB power");
  89         ath79_register_usb();
  90
  91         ath79_register_m25p80(&ANTMINER_S3_flash_data);
  92         ath79_init_mac(ath79_eth0_data.mac_addr, mac, 1);
  93         ath79_init_mac(ath79_eth1_data.mac_addr, mac, -1);
  94
  95         ath79_register_mdio(0, 0x0);
  96         ath79_register_eth(0);
  97         ath79_register_eth(1);
  98
  99         ath79_register_wmac(ee, mac);
 100 }
 101
 102 MIPS_MACHINE(ATH79_MACH_ANTMINER_S3, "ANTMINER-S3",
 103              "Antminer-S3", antminer_s3_setup);