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	Antminers using the stock bootloader will not hash without this GPIO set. Applies to DD and CC Signed-off-by: L. D. Pinney <ldpinney@gmail.com> SVN-Revision: 47261
		
			
				
	
	
		
			104 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			104 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  *   Bitmain Antminer S3 board support
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|  *
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|  *  Copyright (C) 2015 L. D. Pinney <ldpinney@gmail.com>
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|  *
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|  *  This program is free software; you can redistribute it and/or modify it
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|  *  under the terms of the GNU General Public License version 2 as published
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|  *  by the Free Software Foundation.
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|  */
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| 
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| #include <linux/gpio.h>
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| 
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| #include <asm/mach-ath79/ath79.h>
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| #include <asm/mach-ath79/ar71xx_regs.h>
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| 
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| #include "common.h"
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| #include "dev-eth.h"
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| #include "dev-gpio-buttons.h"
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| #include "dev-leds-gpio.h"
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| #include "dev-m25p80.h"
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| #include "dev-wmac.h"
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| #include "machtypes.h"
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| #include "dev-usb.h"
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| 
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| #define ANTMINER_S3_GPIO_LED_WLAN		0
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| #define ANTMINER_S3_GPIO_LED_SYSTEM		17
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| #define ANTMINER_S3_GPIO_LED_LAN		22
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| #define ANTMINER_S3_GPIO_USB_POWER		26
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| 
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| #define ANTMINER_S3_GPIO_BTN_RESET		11
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| 
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| #define ANTMINER_S3_KEYSPOLL_INTERVAL	88	/* msecs */
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| #define ANTMINER_S3_KEYSDEBOUNCE_INTERVAL (3 * ANTMINER_S3_KEYSPOLL_INTERVAL)
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| 
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| static const char *ANTMINER_S3_part_probes[] = {
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| 	"tp-link",
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| 	NULL,
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| };
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| 
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| static struct flash_platform_data ANTMINER_S3_flash_data = {
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| 	.part_probes	= ANTMINER_S3_part_probes,
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| };
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| 
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| static struct gpio_led ANTMINER_S3_leds_gpio[] __initdata = {
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| 	{
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| 		.name		= "antminer-s3:green:wlan",
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| 		.gpio		= ANTMINER_S3_GPIO_LED_WLAN,
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| 		.active_low	= 0,
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| 	},{
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| 		.name		= "antminer-s3:green:system",
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| 		.gpio		= ANTMINER_S3_GPIO_LED_SYSTEM,
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| 		.active_low	= 0,
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| 	},{
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| 		.name		= "antminer-s3:yellow:lan",
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| 		.gpio		= ANTMINER_S3_GPIO_LED_LAN,
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| 		.active_low	= 0,
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| 	},
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| };
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| 
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| static struct gpio_keys_button ANTMINER_S3_GPIO_keys[] __initdata = {
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| 	{
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| 		.desc		= "reset",
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| 		.type		= EV_KEY,
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| 		.code		= KEY_RESTART,
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| 		.debounce_interval = ANTMINER_S3_KEYSDEBOUNCE_INTERVAL,
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| 		.gpio		= ANTMINER_S3_GPIO_BTN_RESET,
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| 		.active_low	= 0,
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| 	},
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| };
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| 
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| static void __init antminer_s3_setup(void)
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| {
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| 	u8 *mac = (u8 *) KSEG1ADDR(0x1f01fc00);
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| 	u8 *ee = (u8 *) KSEG1ADDR(0x1fff1000);
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| 
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| 	/* disable PHY_SWAP and PHY_ADDR_SWAP bits */
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| 	ath79_setup_ar933x_phy4_switch(false, false);
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| 
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| 	ath79_register_leds_gpio(-1, ARRAY_SIZE(ANTMINER_S3_leds_gpio),
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| 				 ANTMINER_S3_leds_gpio);
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| 
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| 	ath79_register_gpio_keys_polled(-1, ANTMINER_S3_KEYSPOLL_INTERVAL,
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| 					ARRAY_SIZE(ANTMINER_S3_GPIO_keys),
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| 					ANTMINER_S3_GPIO_keys);
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| 
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| 	gpio_request_one(ANTMINER_S3_GPIO_USB_POWER,
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| 			 GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_FIXED,
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| 			 "USB power");
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| 	ath79_register_usb();
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| 
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| 	ath79_register_m25p80(&ANTMINER_S3_flash_data);
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| 	ath79_init_mac(ath79_eth0_data.mac_addr, mac, 1);
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| 	ath79_init_mac(ath79_eth1_data.mac_addr, mac, -1);
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| 
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| 	ath79_register_mdio(0, 0x0);
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| 	ath79_register_eth(0);
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| 	ath79_register_eth(1);
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| 
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| 	ath79_register_wmac(ee, mac);
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| }
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| 
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| MIPS_MACHINE(ATH79_MACH_ANTMINER_S3, "ANTMINER-S3",
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| 	     "Antminer-S3", antminer_s3_setup);
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