| #!/bin/bash |
| |
| devpath="/sys/bus/i2c/devices/13-0077/driver" |
| |
| source /usr/sbin/kudo-lib.sh |
| |
| function fwbios() { |
| KERNEL_FIU_ID="c0000000.spi" |
| KERNEL_SYSFS_FIU="/sys/bus/platform/drivers/NPCM-FIU" |
| |
| # switch the SPI mux from Host to BMC |
| i2cset -y -f -a 13 0x76 0x10 0x01 |
| |
| # rescan the spi bus |
| if [ -d "${KERNEL_SYSFS_FIU}/${KERNEL_FIU_ID}" ]; then |
| echo "${KERNEL_FIU_ID}" > "${KERNEL_SYSFS_FIU}"/unbind |
| sleep 1 |
| fi |
| echo "${KERNEL_FIU_ID}" > "${KERNEL_SYSFS_FIU}"/bind |
| |
| # write to the mtd device |
| BIOS_MTD=$(cat /proc/mtd | grep "bios" | sed -n 's/^\(.*\):.*/\1/p') |
| |
| if [ ! -f $1 ]; then |
| echo " Cannot find the" $1 "image file" |
| exit 1 |
| |
| fi |
| echo "Flashing BIOS @/dev/$BIOS_MTD" |
| flashcp -v $1 /dev/$BIOS_MTD |
| wait |
| |
| # switch the SPI mux from BMC to Host |
| if [ -d "${KERNEL_SYSFS_FIU}/${KERNEL_FIU_ID}" ]; then |
| echo "${KERNEL_FIU_ID}" > "${KERNEL_SYSFS_FIU}"/unbind |
| fi |
| i2cset -y -f -a 13 0x76 0x10 0x00 |
| |
| if [[ $(find ${1} -type f -size +17156k 2>/dev/null) ]]; then |
| echo "Extracting the SCP from the image" |
| dd if=$1 bs=1024 skip=17156 count=256 of=/run/initramfs/myscp.img |
| fwscp /run/initramfs/myscp.img |
| fi |
| rm -f $1 |
| } |
| |
| function fwbmccpld() { |
| # BMC_JTAG_MUX_1 #218 0:BMC 1:MB |
| set_gpio_ctrl 218 out 0 |
| loadsvf -d /dev/jtag0 -s $1 -m 0 |
| wait |
| set_gpio_ctrl 218 out 1 |
| rm -f $1 |
| } |
| |
| function fwmbcpld() { |
| # BMC_JTAG_MUX_1 #218 0:BMC 1:MB |
| # BMC_JTAG_SEL #164 0:BMC 1:CPU |
| set_gpio_ctrl 218 out 1 |
| set_gpio_ctrl 164 out 1 |
| loadsvf -d /dev/jtag0 -s $1 -m 0 |
| wait |
| rm -f $1 |
| } |
| |
| function fwscp() { |
| # BMC_I2C_BACKUP_SEL #168 0:failover, 1:main |
| # BMC_CPU_EEPROM_I2C_SEL #85 0:BMC, 1:CPU |
| set_gpio_ctrl 168 out 1 |
| set_gpio_ctrl 85 out 0 |
| I2C_BUS_DEV=$(ls -l $devpath/"13-0077/" | grep channel-0 | awk '{ print $11}' | cut -c 8-) |
| ampere_eeprom_prog -b $I2C_BUS_DEV -s 0x50 -p -f $1 |
| wait |
| set_gpio_ctrl 85 out 1 |
| set_gpio_ctrl 168 out 1 |
| rm -f $1 |
| } |
| |
| function fwscpback() { |
| # BMC_I2C_BACKUP_SEL #168 0:failover, 1:main |
| # BMC_CPU_EEPROM_I2C_SEL #85 0:BMC, 1:CPU |
| set_gpio_ctrl 168 out 0 |
| set_gpio_ctrl 85 out 0 |
| I2C_BUS_DEV=$(ls -l $devpath/"13-0077/" | grep channel-0 | awk '{ print $11}' | cut -c 8-) |
| ampere_eeprom_prog -b $I2C_BUS_DEV -s 0x50 -p -f $1 |
| wait |
| set_gpio_ctrl 85 out 1 |
| set_gpio_ctrl 168 out 1 |
| rm -f $1 |
| } |
| |
| |
| case $1 in |
| bios) |
| fwbios $2 |
| ;; |
| bmccpld) |
| fwbmccpld $2 |
| ;; |
| mbcpld) |
| fwmbcpld $2 |
| ;; |
| scp) |
| fwscp $2 |
| ;; |
| scpback) |
| fwscpback $2 |
| ;; |
| *) |
| ;; |
| esac |