Antminers using the stock bootloader will not hash without this GPIO set.
Applies to DD and CC
Signed-off-by: L. D. Pinney <ldpin...@gmail.com>
---
target/linux/ar71xx/files/arch/mips/ath79/mach-antminer-s1.c | 2 +-
target/linux/ar71xx/files/arch/mips/ath79/mach-antminer-s3.c | 5 +++++
2 files changed, 6 insertions(+), 1 deletion(-)
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
index 880bc72..0a81227 100644
--- a/target/linux/ar71xx/files/arch/mips/ath79/mach-antminer-s1.c
+++ b/target/linux/ar71xx/files/arch/mips/ath79/mach-antminer-s1.c
@@ -26,7 +26,7 @@
#define ANTMINER_S1_GPIO_LED_SYSTEM 23
#define ANTMINER_S1_GPIO_LED_WLAN 0
-#define ANTMINER_S1_GPIO_USB_POWER 8
+#define ANTMINER_S1_GPIO_USB_POWER 26
#define ANTMINER_S1_KEYSPOLL_INTERVAL 20 /* msecs */
#define ANTMINER_S1_KEYSDEBOUNCE_INTERVAL (3 * ANTMINER_S1_KEYSPOLL_INTERVAL)
diff --git a/target/linux/ar71xx/files/arch/mips/ath79/mach-antminer-s3.c
b/target/linux/ar71xx/files/arch/mips/ath79/mach-antminer-s3.c
index aa54e9c..b77a6cc 100644
--- a/target/linux/ar71xx/files/arch/mips/ath79/mach-antminer-s3.c
+++ b/target/linux/ar71xx/files/arch/mips/ath79/mach-antminer-s3.c
@@ -25,6 +25,7 @@
#define ANTMINER_S3_GPIO_LED_WLAN 0
#define ANTMINER_S3_GPIO_LED_SYSTEM 17
#define ANTMINER_S3_GPIO_LED_LAN 22
+#define ANTMINER_S3_GPIO_USB_POWER 26
#define ANTMINER_S3_GPIO_BTN_RESET 11
@@ -81,6 +82,10 @@ static void __init antminer_s3_setup(void)
ath79_register_gpio_keys_polled(-1, ANTMINER_S3_KEYSPOLL_INTERVAL,
ARRAY_SIZE(ANTMINER_S3_GPIO_keys),
ANTMINER_S3_GPIO_keys);
+
+ gpio_request_one(ANTMINER_S3_GPIO_USB_POWER,
+ GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_FIXED,
+ "USB power");
ath79_register_usb();
ath79_register_m25p80(&ANTMINER_S3_flash_data);
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