| Patrick Venture | c8eec65 | 2017-04-10 15:21:32 -0700 | [diff] [blame] | 1 | #!/bin/bash | 
|  | 2 |  | 
|  | 3 | # Set all output GPIOs as such and drive them with reasonable values. | 
|  | 4 | function set_gpio_active_low() { | 
|  | 5 | if [ $# -ne 2 ]; then | 
|  | 6 | echo "set_gpio_active_low: need both GPIO# and initial level"; | 
|  | 7 | return; | 
|  | 8 | fi | 
|  | 9 |  | 
|  | 10 | echo $1 > /sys/class/gpio/export | 
|  | 11 | echo 1 > /sys/class/gpio/gpio$1/active_low | 
|  | 12 | echo $2 > /sys/class/gpio/gpio$1/direction | 
|  | 13 | } | 
|  | 14 |  | 
| Patrick Venture | 8837cc8 | 2017-11-18 13:46:23 -0800 | [diff] [blame] | 15 | GPIO_BASE=$(cat /sys/devices/platform/ahb/ahb:apb/1e780000.gpio/gpio/*/base) | 
| Patrick Venture | c8eec65 | 2017-04-10 15:21:32 -0700 | [diff] [blame] | 16 |  | 
|  | 17 | # FM_BMC_READY_N, GPIO Q4, active low | 
|  | 18 | set_gpio_active_low $((${GPIO_BASE} + 128 + 4)) high | 
|  | 19 |  | 
|  | 20 | # FM_BMC_SSB_SMI_LPC_N, GPIO Q6, active low | 
|  | 21 | set_gpio_active_low $((${GPIO_BASE} + 128 + 6)) high | 
|  | 22 |  | 
|  | 23 | # FM_BMC_SYS_THROTTLE_N, GPIO A3, active low | 
|  | 24 | set_gpio_active_low $((${GPIO_BASE} + 0 + 3)) high | 
|  | 25 |  | 
|  | 26 | # FM_BMC_SSB_SCI_LPC_N, GPIO E4, active low | 
|  | 27 | set_gpio_active_low $((${GPIO_BASE} + 32 + 4)) high | 
|  | 28 |  | 
|  | 29 | # FP_PWR_BTN_PASS_R_N, GPIO D3, active low | 
|  | 30 | set_gpio_active_low $((${GPIO_BASE} + 24 + 3)) high | 
|  | 31 |  | 
|  | 32 | exit 0; |