1#!/bin/bash
2
3# shellcheck source=meta-ampere/meta-mitchell/recipes-ampere/platform/ampere-platform-init/gpio-lib.sh
4source /usr/sbin/gpio-lib.sh
5
6function bind_rtc_driver() {
7    # If rtc device can not present, bind the device
8    if [[ ! -e /dev/rtc0 ]]; then
9        echo "Bind rtc driver"
10        echo 6-0051 > /sys/bus/i2c/drivers/rtc-pcf85063/bind
11    fi
12}
13
14function pre-platform-init() {
15    echo "Do pre platform init"
16}
17
18function post-platform-init() {
19
20    # When BMC is rebooted, because PSON_L has pull up to P3V3_STB, it changes its
21    # value to HIGH. Add code to check P3V3_STB and recover PSON_L to correct state
22    # before setting BMC_RDY.
23    cnt=10
24    pgood=""
25    while [ $cnt -gt 0 ];
26    do
27        pgood=$(busctl get-property org.openbmc.control.Power /org/openbmc/control/power0 org.openbmc.control.Power pgood | cut -d' ' -f2)
28        if [[ "$pgood" != '' ]]; then
29            break;
30        fi
31        cnt=$(( cnt - 1 ))
32        sleep 1
33    done
34
35    if [ "$pgood" == '1' ]; then
36        echo "PSU is on. Setting PSON to 0"
37        gpio_name_set power-chassis-control 0
38    else
39        echo "pgood D-Bus property response as 0. PSU is off."
40        # for unknown reason when stress reboot bmc power-control.exe detect power-chassis-good is 1 (power on)
41        # But "busctl get-property org.openbmc.control.Power /org/openbmc/control/power0 org.openbmc.control.Power pgood" responses 0 (power off)
42        # Add sleep 3 seconds after the pgood dbus reponse (power off) and recheck the power-chassis-good to confirm about the PSU power state
43        sleep 3
44        pgood=$(gpio_name_get power-chassis-good)
45        if [ "$pgood" == '0' ]; then
46            echo "power-chassis-good reponse as 0. Confirm PSU is off. Setting PSON to 1."
47            gpio_name_set power-chassis-control 1
48        fi
49    fi
50    gpio_name_set host0-sysreset-n 1
51
52    # gpio-leds is controlling bmc-ready, not by gpio
53    echo 1 > /sys/class/leds/bmc-ready/brightness
54
55    echo "Set default FAN speed to 60%"
56    for filename in /sys/class/hwmon/*/pwm*
57    do
58        echo 153 > "$filename"
59    done
60
61    # Bind rtc driver
62    bind_rtc_driver
63}
64
65export output_high_gpios_in_ac=(
66    # add device enable, mux setting, device select gpios
67    "spi0-backup-sel"
68    "i2c-backup-sel"
69)
70
71export output_low_gpios_in_ac=(
72    # add device enable, mux setting, device select gpios
73    "spi0-program-sel"
74    "ocp-main-pwren"
75)
76
77export input_gpios_in_ac=(
78    # add device enable, mux setting, device select gpios
79)
80
81export output_high_gpios_in_bmc_reboot=(
82    "host0-sysreset-n"
83    "host0-pmin-n"
84    "bmc-debug-mode"
85    "vrd-sel"
86    "spd-sel"
87    "ext-high-temp-n"
88    "fpga-program-b"
89    "wd-disable-n"
90    "hpm-stby-rst-n"
91    "jtag-sel-s0"
92    "cpld-user-mode"
93    "jtag-srst-n"
94    "host0-shd-req-n"
95)
96
97export output_low_gpios_in_bmc_reboot=(
98    "rtc-battery-voltage-read-enable"
99    "s0-rtc-lock"
100    "hpm-fw-recovery"
101    "led-fault"
102    "spi-nor-access"
103    "host0-special-boot"
104)
105
106export input_gpios_in_bmc_reboot=(
107    "s0-vrd-fault-n"
108    "s1-vrd-fault-n"
109    "irq-n"
110    "presence-ps0"
111    "presence-ps1"
112    "hsc-12vmain-alt2-n"
113    "eth-phy-int-n"
114    "s0-pcp-oc-warn-n"
115    "s1-pcp-oc-warn-n"
116    "cpu-bios-recover"
117    "s0-heartbeat"
118    "hs-scout-proc-hot"
119    "s0-vr-hot-n"
120    "s1-vr-hot-n"
121    "hsc-12vmain-alt1-n"
122    "power-chassis-good"
123    "s0-ddr-save"
124    "soc-spi-nor-access"
125    "presence-cpu0"
126    "jtag-dbgr-prsnt-n"
127    "ps0-ac-loss-n"
128    "ps1-ac-loss-n"
129    "s1-ddr-save"
130    "sys-pgood"
131    "presence-cpu1"
132    "s0-fault-alert"
133    "s0-sys-auth-failure-n"
134    "host0-ready"
135    "ocp-pgood"
136    "s1-fault-alert"
137    "s1-fw-boot-ok"
138    "s0-spi-auth-fail-n"
139    "s1-sys-auth-failure-n"
140    "cpld-s1-spi-auth-fail-n"
141    "ps0-pgood"
142    "ps1-pgood"
143    "s0-soc-pgood"
144)
145