| #!/bin/sh |
| # File which is managing GPIOS when detected. First parameter is which GPIOs that switched |
| if [ "$1" = "up" ] |
| then |
| systemctl stop xyz.openbmc_project.ampere_host_error_monitor.service |
| rmmod smpro_hwmon smpro_errmon smpro_misc smpro_mfd |
| busctl set-property xyz.openbmc_project.Chassis.Gpios /xyz/openbmc_project/chassis/gpios xyz.openbmc_project.Chassis.Gpios PGood b true |
| smproStatus=$(lsmod | grep smpro-mfd) |
| if [ "$smproStatus" = "" ] |
| then |
| # sleep 15 |
| # We need to wait for the SoC to be ready to communicate - We just received the PGOOD signal |
| # The status is reported through an interrupt that we can poll at 2e within the CPLD address space (0xd100_00e2) |
| max_retry=5 |
| sleep_time=5 |
| success=0 |
| while [ "$max_retry" != "0" ] |
| do |
| waitForSoC=$(devmem 0xd10000e2 8) |
| isAvailable=$(( waitForSoC & 0x2 )) |
| if [ "r$isAvailable" = "r2" ] |
| then |
| max_retry=0 |
| success=1 |
| else |
| max_retry=$(( max_retry - 1)) |
| sleep $sleep_time |
| fi |
| done |
| if [ "$success" = "1" ] |
| then |
| # Activate local UBM (front NVME drive) |
| devmem 0xd1000087 8 5 |
| i2ctransfer -y 3 w4@0x40 0x34 0xbf 0x00 0xe8 |
| i2ctransfer -y 3 w2@0x40 0x34 0xa7 r1 |
| |
| devmem 0xd1000087 8 7 |
| i2ctransfer -y 3 w4@0x40 0x34 0xbf 0x00 0xe8 |
| i2ctransfer -y 3 w2@0x40 0x34 0xa7 r1 |
| |
| devmem 0xd1000087 8 9 |
| i2ctransfer -y 3 w4@0x40 0x34 0xbf 0x00 0xe8 |
| i2ctransfer -y 3 w2@0x40 0x34 0xa7 r1 |
| |
| devmem 0xd1000087 8 0xb |
| i2ctransfer -y 3 w4@0x40 0x34 0xbf 0x00 0xe8 |
| i2ctransfer -y 3 w2@0x40 0x34 0xa7 r1 |
| |
| devmem 0xd1000088 8 5 |
| i2ctransfer -y 4 w4@0x40 0x34 0xbf 0x00 0xe8 |
| i2ctransfer -y 4 w2@0x40 0x34 0xa7 r1 |
| |
| modprobe smpro-misc |
| modprobe smpro-errmon |
| modprobe smpro-hwmon |
| modprobe smpro-mfd |
| systemctl restart xyz.openbmc_project.ampere_host_error_monitor.service |
| systemctl restart xyz.openbmc_project.amperecpusensor.service |
| systemctl restart xyz.openbmc_project.EntityManager.service |
| systemctl restart phosphor-pid-control.service |
| fi |
| # We shall add a condition here to make an emergency stop |
| fi |
| else |
| if [ "$1" = "down" ] |
| then |
| busctl set-property xyz.openbmc_project.Chassis.Gpios /xyz/openbmc_project/chassis/gpios xyz.openbmc_project.Chassis.Gpios PGood b false |
| # We can re-init the system |
| devmem 0xd1000009 8 0x24 |
| # We need to check the reason why we have been shutdown |
| shutdownReason=$(devmem 0x80000074 16) |
| # If bit 10 is set Software initiated a shutdown we need to restart |
| isSet2=$( ${shutdownReason} | 0xFBFF ) |
| if [ "$isSet2" = "65535" ] |
| then |
| echo "Restarting" >> /tmp/gpios |
| obmcutil poweron |
| fi |
| fi |
| fi |
| echo "$1" >> /tmp/gpios.txt |