did something

vendor/periph.io/x/host/v3/am335x/am335x.go

@@ -0,0 +1,52 @@
+// Copyright 2017 The Periph Authors. All rights reserved.
+// Use of this source code is governed under the Apache License, Version 2.0
+// that can be found in the LICENSE file.
+
+package am335x
+
+import (
+	"errors"
+	"strings"
+
+	"periph.io/x/conn/v3/driver/driverreg"
+	"periph.io/x/host/v3/distro"
+)
+
+// Present returns true if a TM AM335x processor is detected.
+func Present() bool {
+	if isArm {
+		return strings.HasPrefix(distro.DTModel(), "TI AM335x")
+	}
+	return false
+}
+
+// driver implements periph.Driver.
+type driver struct {
+}
+
+func (d *driver) String() string {
+	return "am335x"
+}
+
+func (d *driver) Prerequisites() []string {
+	return nil
+}
+
+func (d *driver) After() []string {
+	return nil
+}
+
+func (d *driver) Init() (bool, error) {
+	if !Present() {
+		return false, errors.New("am335x CPU not detected")
+	}
+	return true, nil
+}
+
+func init() {
+	if isArm {
+		driverreg.MustRegister(&drv)
+	}
+}
+
+var drv driver