diff options
Diffstat (limited to 'meta-facebook/meta-wedge/recipes-wedge/fbutils/files/reset_usb.sh')
-rw-r--r-- | meta-facebook/meta-wedge/recipes-wedge/fbutils/files/reset_usb.sh | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/meta-facebook/meta-wedge/recipes-wedge/fbutils/files/reset_usb.sh b/meta-facebook/meta-wedge/recipes-wedge/fbutils/files/reset_usb.sh new file mode 100644 index 0000000..7d1c2c6 --- /dev/null +++ b/meta-facebook/meta-wedge/recipes-wedge/fbutils/files/reset_usb.sh @@ -0,0 +1,36 @@ +#!/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 + +echo -n "Reset USB Switch ... " + +# To use GPIOD7 (31), SCU90[1], SCU8C[11], and SCU70[21] must be 0 +devmem_clear_bit $(scu_addr 8C) 11 +devmem_clear_bit $(scu_addr 70) 21 +devmem_clear_bit $(scu_addr 90) 1 + +gpio_set 31 1 +sleep 1 +gpio_set 31 0 +sleep 1 +gpio_set 31 1 + +echo "Done" |