Openbmc dev snapshot.

1 files changed, 55 insertions, 0 deletions

diff --git a/meta-facebook/meta-yosemite/recipes-yosemite/fbutils/files/reset_usb.sh b/meta-facebook/meta-yosemite/recipes-yosemite/fbutils/files/reset_usb.sh
new file mode 100644
index 0000000..a7936b1
--- /dev/null
+++ b/meta-facebook/meta-yosemite/recipes-yosemite/fbutils/files/reset_usb.sh
@@ -0,0 +1,55 @@
+#!/bin/sh
+#
+# Copyright 2014-present Facebook. All Rights Reserved.
+#
+# This program file is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by the
+# Free Software Foundation; version 2 of the License.
+#
+# This program is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+# for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program in a file named COPYING; if not, write to the
+# Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor,
+# Boston, MA 02110-1301 USA
+#
+
+. /usr/local/fbpackages/utils/ast-functions
+
+#TODO: Add logic to control mux based on front panel switch
+echo -n "Set USB Mux to given slot ... "
+
+# USB_MUX_SEL signals: GPIOE4(36), GPIOE5(37)
+slot=$1
+
+case $slot in
+  1)
+    gpio_set E4 1
+    gpio_set E5 0
+    ;;
+  2)
+    gpio_set E4 0
+    gpio_set E5 0
+    ;;
+  3)
+    gpio_set E4 1
+    gpio_set E5 1
+    ;;
+  4)
+    gpio_set E4 0
+    gpio_set E5 1
+    ;;
+  *)
+    gpio_set E4 0
+    gpio_set E5 0
+    ;;
+esac
+
+# Enable the USB MUX GPIOS3(147)
+gpio_set S3 0
+
+echo "Done"