| #!/bin/bash | |
| function usage() | |
| { | |
| echo "Usage: $(basename "$0") init|reset" | |
| } | |
| if [ "$#" -ne "1" ] ; then | |
| usage | |
| exit 1; | |
| fi | |
| UART_ROUTING_SYSFS="/sys/bus/platform/drivers/aspeed-uart-routing/1e789098.uart-routing" | |
| case "$1" in | |
| init) | |
| echo -n "uart1" > ${UART_ROUTING_SYSFS}/uart4 | |
| echo -n "uart4" > ${UART_ROUTING_SYSFS}/uart1 | |
| ;; | |
| reset) | |
| echo -n "io1" > ${UART_ROUTING_SYSFS}/uart1 | |
| echo -n "io4" > ${UART_ROUTING_SYSFS}/uart4 | |
| ;; | |
| *) | |
| usage | |
| exit 1; | |
| ;; | |
| esac |