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#!/bin/bash
source /usr/sbin/kudo-lib.sh
function set_mux_default(){
# set all mux route to CPU before power on host
# BMC_CPU_RTC_I2C_SEL #120
set_gpio_ctrl 120 out 1
# BMC_CPU_DDR_I2C_SEL #84
set_gpio_ctrl 84 out 1
# BMC_CPU_EEPROM_I2C_SEL #85
set_gpio_ctrl 85 out 1
# BMC_CPU_PMBUS_SEL #86
set_gpio_ctrl 86 out 1
# LED control
# LED_BMC_LIVE #7
set_gpio_ctrl 7 out 1
# SPI control
# Send command to CPLD to switch the bios spi interface to host
i2cset -y -f -a 13 0x76 0x10 0x00
}
# 0 - 63 EVT
# 64 + DVT/PVT
boardver=$(printf '%d' `cat /sys/bus/i2c/drivers/fiicpld/34-0076/CMD00 | awk '{print $6}'`)
# On EVT machines, the secondary SCP EEPROM is used.
# Set BMC_I2C_BACKUP_SEL to secondary.
if [[ $boardver -lt 64 ]]; then
echo "EVT system. Choosing secondary SCP EEPROM."
set_gpio_ctrl 168 out 0
set_mux_default
# Power control
# S0_BMC_OK, GPIO 69
set_gpio_ctrl 69 out 1
else
echo "DVT or PVT system"
# sleep so that FRU and all ipmitool Devices are ready before HOST OS
# gpio 143 for HPM_STBY_RST_N do to DC-SCM spec
set_gpio_ctrl 143 out 1 # on DVT this became HPM_STBY_RST_N (EVT1 came from CPLD)
sleep 5 # for the MUX to get ready
set_mux_default
# Power control
# S0_BMC_OK, GPIO 69
set_gpio_ctrl 69 out 1
fi
# Disable CPU 1 CLK when cpu not detected
# echo init_once cpu $CPU1_STATUS > /dev/ttyS0
# echo init_once board $boardver > /dev/ttyS0
CPU1_STATUS_N=$(get_gpio_ctrl 136)
if [[ $CPU1_STATUS_N == 1 ]]; then
#Execute this only on DVT systems
if [[ $boardver -lt 64 ]]; then
echo EVT system $boardver
else
echo DVT system $boardver
i2cset -y -a -f 37 0x68 0x05 0x03
fi
#These i2c deviecs are already installed on EVT systems
i2cset -y -a -f 16 0x6a 0 1 0xdf i
i2cset -y -a -f 16 0x6a 11 1 0x01 i
i2cset -y -a -f 17 0x67 1 2 0x3f 0x0c i
fi
# Create /run/openbmc for system power files
mkdir "/run/openbmc"
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