2 * Bitmain Antminer S1 board support
4 * Copyright (C) 2015 L. D. Pinney <ldpinney@gmail.com>
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.
11 #include <linux/gpio.h>
13 #include <asm/mach-ath79/ath79.h>
14 #include <asm/mach-ath79/ar71xx_regs.h>
18 #include "dev-gpio-buttons.h"
19 #include "dev-leds-gpio.h"
20 #include "dev-m25p80.h"
22 #include "machtypes.h"
25 #define ANTMINER_S1_GPIO_BTN_RESET 11
27 #define ANTMINER_S1_GPIO_LED_SYSTEM 23
28 #define ANTMINER_S1_GPIO_LED_WLAN 0
29 #define ANTMINER_S1_GPIO_USB_POWER 26
31 #define ANTMINER_S1_KEYSPOLL_INTERVAL 20 /* msecs */
32 #define ANTMINER_S1_KEYSDEBOUNCE_INTERVAL (3 * ANTMINER_S1_KEYSPOLL_INTERVAL)
34 static const char *ANTMINER_S1_part_probes[] = {
39 static struct flash_platform_data ANTMINER_S1_flash_data = {
40 .part_probes = ANTMINER_S1_part_probes,
43 static struct gpio_led ANTMINER_S1_leds_gpio[] __initdata = {
45 .name = "antminer-s1:green:system",
46 .gpio = ANTMINER_S1_GPIO_LED_SYSTEM,
49 .name = "antminer-s1:green:wlan",
50 .gpio = ANTMINER_S1_GPIO_LED_WLAN,
55 static struct gpio_keys_button ANTMINER_S1_GPIO_keys[] __initdata = {
60 .debounce_interval = ANTMINER_S1_KEYSDEBOUNCE_INTERVAL,
61 .gpio = ANTMINER_S1_GPIO_BTN_RESET,
66 static void __init antminer_s1_setup(void)
68 u8 *mac = (u8 *) KSEG1ADDR(0x1f01fc00);
69 u8 *ee = (u8 *) KSEG1ADDR(0x1fff1000);
71 /* disable PHY_SWAP and PHY_ADDR_SWAP bits */
72 ath79_setup_ar933x_phy4_switch(false, false);
74 ath79_register_leds_gpio(-1, ARRAY_SIZE(ANTMINER_S1_leds_gpio),
75 ANTMINER_S1_leds_gpio);
77 ath79_register_gpio_keys_polled(-1, ANTMINER_S1_KEYSPOLL_INTERVAL,
78 ARRAY_SIZE(ANTMINER_S1_GPIO_keys),
79 ANTMINER_S1_GPIO_keys);
81 gpio_request_one(ANTMINER_S1_GPIO_USB_POWER,
82 GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_FIXED,
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);
90 ath79_register_mdio(0, 0x0);
91 ath79_register_eth(0);
92 ath79_register_eth(1);
94 ath79_register_wmac(ee, mac);
97 MIPS_MACHINE(ATH79_MACH_ANTMINER_S1, "ANTMINER-S1",
98 "Antminer-S1", antminer_s1_setup);