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Diffstat (limited to 'roms/u-boot/board/intel/minnowmax/minnowmax.c')
-rw-r--r--roms/u-boot/board/intel/minnowmax/minnowmax.c62
1 files changed, 62 insertions, 0 deletions
diff --git a/roms/u-boot/board/intel/minnowmax/minnowmax.c b/roms/u-boot/board/intel/minnowmax/minnowmax.c
new file mode 100644
index 000000000..b02e3f0d4
--- /dev/null
+++ b/roms/u-boot/board/intel/minnowmax/minnowmax.c
@@ -0,0 +1,62 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2015, Google, Inc
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <init.h>
+#include <log.h>
+#include <asm/gpio.h>
+#include <dm/device-internal.h>
+#include <dm/uclass-internal.h>
+
+#define GPIO_BANKE_NAME "gpioe"
+
+int misc_init_r(void)
+{
+ struct udevice *dev;
+ struct gpio_desc desc;
+ int ret;
+
+ /*
+ * Turn on USB VBUS for the two USB ports on the board.
+ * Each port's VBUS is controlled by a GPIO pin.
+ */
+
+ ret = uclass_find_device_by_name(UCLASS_GPIO, GPIO_BANKE_NAME, &dev);
+ if (ret) {
+ debug("%s: GPIO %s device cannot be not found (ret=%d)\n",
+ __func__, GPIO_BANKE_NAME, ret);
+ return ret;
+ }
+
+ ret = device_probe(dev);
+ if (ret) {
+ debug("%s: GPIO %s device probe failed (ret=%d)\n",
+ __func__, GPIO_BANKE_NAME, ret);
+ return ret;
+ }
+
+ desc.dev = dev;
+ desc.flags = GPIOD_IS_OUT;
+
+ /* GPIO E8 controls the bottom port */
+ desc.offset = 8;
+
+ ret = dm_gpio_request(&desc, "usb_host_en0");
+ if (ret)
+ return ret;
+ dm_gpio_set_value(&desc, 1);
+
+ /* GPIO E9 controls the upper port */
+ desc.offset = 9;
+
+ ret = dm_gpio_request(&desc, "usb_host_en1");
+ if (ret)
+ return ret;
+
+ dm_gpio_set_value(&desc, 1);
+
+ return 0;
+}