ar71xx: Add Support for the Bitmain Antminer S1

This patch adds support for the Bitmain Antminer S1 Cryptocurrency Miner

http://wiki.openwrt.org/toh/bitmain/s1

Signed-off-by: L. D. Pinney <ldpinney@gmail.com>
Acked-by: James Hilliard <james.hilliard1@gmail.com>

SVN-Revision: 46044

1 files changed, 98 insertions, 0 deletions

diff --git a/target/linux/ar71xx/files/arch/mips/ath79/mach-antminer-s1.c b/target/linux/ar71xx/files/arch/mips/ath79/mach-antminer-s1.c
new file mode 100644
index 0000000000..27ed7601cc
--- /dev/null
+++ b/target/linux/ar71xx/files/arch/mips/ath79/mach-antminer-s1.c
@@ -0,0 +1,98 @@
+/*
+ *   Bitmain Antminer S1 board support
+ *
+ *  Copyright (C) 2015 L. D. Pinney <ldpinney@gmail.com>
+ *
+ *  This program is free software; you can redistribute it and/or modify it
+ *  under the terms of the GNU General Public License version 2 as published
+ *  by the Free Software Foundation.
+ */
+
+#include <linux/gpio.h>
+
+#include <asm/mach-ath79/ath79.h>
+#include <asm/mach-ath79/ar71xx_regs.h>
+
+#include "common.h"
+#include "dev-eth.h"
+#include "dev-gpio-buttons.h"
+#include "dev-leds-gpio.h"
+#include "dev-m25p80.h"
+#include "dev-wmac.h"
+#include "machtypes.h"
+#include "dev-usb.h"
+
+#define ANTMINER_S1_GPIO_BTN_RESET		11
+
+#define ANTMINER_S1_GPIO_LED_SYSTEM		23
+#define ANTMINER_S1_GPIO_LED_WLAN		0
+#define ANTMINER_S1_GPIO_USB_POWER		8
+
+#define ANTMINER_S1_KEYSPOLL_INTERVAL	20	/* msecs */
+#define ANTMINER_S1_KEYSDEBOUNCE_INTERVAL (3 * ANTMINER_S1_KEYSPOLL_INTERVAL)
+
+static const char *ANTMINER_S1_part_probes[] = {
+	"tp-link",
+	NULL,
+};
+
+static struct flash_platform_data ANTMINER_S1_flash_data = {
+	.part_probes	= ANTMINER_S1_part_probes,
+};
+
+static struct gpio_led ANTMINER_S1_leds_gpio[] __initdata = {
+	{
+		.name		= "bitmain:green:system",
+		.gpio		= ANTMINER_S1_GPIO_LED_SYSTEM,
+		.active_low	= 0,
+	},{
+		.name		= "bitmain:green:wlan",
+		.gpio		= ANTMINER_S1_GPIO_LED_WLAN,
+		.active_low	= 0,
+	},
+};
+
+static struct gpio_keys_button ANTMINER_S1_GPIO_keys[] __initdata = {
+	{
+		.desc		= "reset",
+		.type		= EV_KEY,
+		.code		= KEY_RESTART,
+		.debounce_interval = ANTMINER_S1_KEYSDEBOUNCE_INTERVAL,
+		.gpio		= ANTMINER_S1_GPIO_BTN_RESET,
+		.active_low	= 0,
+	},
+};
+
+static void __init antminer_s1_setup(void)
+{
+	u8 *mac = (u8 *) KSEG1ADDR(0x1f01fc00);
+	u8 *ee = (u8 *) KSEG1ADDR(0x1fff1000);
+
+	/* disable PHY_SWAP and PHY_ADDR_SWAP bits */
+	ath79_setup_ar933x_phy4_switch(false, false);
+
+	ath79_register_leds_gpio(-1, ARRAY_SIZE(ANTMINER_S1_leds_gpio),
+				 ANTMINER_S1_leds_gpio);
+
+	ath79_register_gpio_keys_polled(-1, ANTMINER_S1_KEYSPOLL_INTERVAL,
+					ARRAY_SIZE(ANTMINER_S1_GPIO_keys),
+					ANTMINER_S1_GPIO_keys);
+
+	gpio_request_one(ANTMINER_S1_GPIO_USB_POWER,
+			 GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_FIXED,
+			 "USB power");
+	ath79_register_usb();
+
+	ath79_register_m25p80(&ANTMINER_S1_flash_data);
+	ath79_init_mac(ath79_eth0_data.mac_addr, mac, 1);
+	ath79_init_mac(ath79_eth1_data.mac_addr, mac, -1);
+
+	ath79_register_mdio(0, 0x0);
+	ath79_register_eth(0);
+	ath79_register_eth(1);
+
+	ath79_register_wmac(ee, mac);
+}
+
+MIPS_MACHINE(ATH79_MACH_ANTMINER_S1, "ANTMINER-S1",
+	     "Bitmain Antminer S1", antminer_s1_setup);