Initial commit

2026-04-23 17:07:55 +08:00
commit b7e39e063b
16725 changed files with 1625565 additions and 0 deletions
@@ -0,0 +1,81 @@
+#!/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