2 * Bitmain Antminer S3 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_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
30 #define ANTMINER_S3_GPIO_BTN_RESET 11
32 #define ANTMINER_S3_KEYSPOLL_INTERVAL 88 /* msecs */
33 #define ANTMINER_S3_KEYSDEBOUNCE_INTERVAL (3 * ANTMINER_S3_KEYSPOLL_INTERVAL)
35 static const char *ANTMINER_S3_part_probes[] = {
40 static struct flash_platform_data ANTMINER_S3_flash_data = {
41 .part_probes = ANTMINER_S3_part_probes,
44 static struct gpio_led ANTMINER_S3_leds_gpio[] __initdata = {
46 .name = "antminer-s3:green:wlan",
47 .gpio = ANTMINER_S3_GPIO_LED_WLAN,
50 .name = "antminer-s3:green:system",
51 .gpio = ANTMINER_S3_GPIO_LED_SYSTEM,
54 .name = "antminer-s3:yellow:lan",
55 .gpio = ANTMINER_S3_GPIO_LED_LAN,
60 static struct gpio_keys_button ANTMINER_S3_GPIO_keys[] __initdata = {
65 .debounce_interval = ANTMINER_S3_KEYSDEBOUNCE_INTERVAL,
66 .gpio = ANTMINER_S3_GPIO_BTN_RESET,
71 static void __init antminer_s3_setup(void)
73 u8 *mac = (u8 *) KSEG1ADDR(0x1f01fc00);
74 u8 *ee = (u8 *) KSEG1ADDR(0x1fff1000);
76 /* disable PHY_SWAP and PHY_ADDR_SWAP bits */
77 ath79_setup_ar933x_phy4_switch(false, false);
79 ath79_register_leds_gpio(-1, ARRAY_SIZE(ANTMINER_S3_leds_gpio),
80 ANTMINER_S3_leds_gpio);
82 ath79_register_gpio_keys_polled(-1, ANTMINER_S3_KEYSPOLL_INTERVAL,
83 ARRAY_SIZE(ANTMINER_S3_GPIO_keys),
84 ANTMINER_S3_GPIO_keys);
86 gpio_request_one(ANTMINER_S3_GPIO_USB_POWER,
87 GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_FIXED,
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);
95 ath79_register_mdio(0, 0x0);
96 ath79_register_eth(0);
97 ath79_register_eth(1);
99 ath79_register_wmac(ee, mac);
102 MIPS_MACHINE(ATH79_MACH_ANTMINER_S3, "ANTMINER-S3",
103 "Antminer-S3", antminer_s3_setup);