| Lancelot Kao | 4357d53 | 2021-02-22 15:20:35 -0600 | [diff] [blame^] | 1 | #!/bin/bash |
| 2 | |
| 3 | devpath="/sys/bus/i2c/devices/13-0077/driver" |
| 4 | |
| 5 | # set_gpio_ctrl |
| 6 | # pin #, direction, high(1)/low(0) |
| 7 | function set_gpio_ctrl() { |
| 8 | echo $1 > /sys/class/gpio/export |
| 9 | echo $2 > /sys/class//gpio/gpio$1/direction |
| 10 | echo $3 > /sys/class/gpio/gpio$1/value |
| 11 | echo $1 > /sys/class/gpio/unexport |
| 12 | sleep 1 |
| 13 | } |
| 14 | |
| 15 | function fwbios() { |
| 16 | KERNEL_FIU_ID="c0000000.spi" |
| 17 | KERNEL_SYSFS_FIU="/sys/bus/platform/drivers/NPCM-FIU" |
| 18 | |
| 19 | # switch the SPI mux from Host to BMC |
| 20 | i2cset -y -f -a 13 0x76 0x10 0x01 |
| 21 | |
| 22 | # rescan the spi bus |
| 23 | if [ -d "${KERNEL_SYSFS_FIU}/${KERNEL_FIU_ID}" ]; then |
| 24 | echo "${KERNEL_FIU_ID}" > "${KERNEL_SYSFS_FIU}"/unbind |
| 25 | sleep 1 |
| 26 | fi |
| 27 | echo "${KERNEL_FIU_ID}" > "${KERNEL_SYSFS_FIU}"/bind |
| 28 | |
| 29 | # write to the mtd device |
| 30 | BIOS_MTD=$(cat /proc/mtd | grep "bios" | sed -n 's/^\(.*\):.*/\1/p') |
| 31 | |
| 32 | if [ ! -f $1 ]; then |
| 33 | echo " Cannot find the" $1 "image file" |
| 34 | exit 1 |
| 35 | fi |
| 36 | |
| 37 | echo "Flashing BIOS @/dev/$BIOS_MTD" |
| 38 | flashcp -v $1 /dev/$BIOS_MTD |
| 39 | wait |
| 40 | |
| 41 | # switch the SPI mux from BMC to Host |
| 42 | if [ -d "${KERNEL_SYSFS_FIU}/${KERNEL_FIU_ID}" ]; then |
| 43 | echo "${KERNEL_FIU_ID}" > "${KERNEL_SYSFS_FIU}"/unbind |
| 44 | fi |
| 45 | i2cset -y -f -a 13 0x76 0x10 0x00 |
| 46 | |
| 47 | if [[ $(find ${1} -type f -size +17156k 2>/dev/null) ]]; then |
| 48 | echo "Extracting the SCP from the image" |
| 49 | dd if=$1 bs=1024 skip=17156 count=256 of=/run/initramfs/myscp.img |
| 50 | fwscp /run/initramfs/myscp.img |
| 51 | fi |
| 52 | rm -f $1 |
| 53 | } |
| 54 | |
| 55 | |
| 56 | function fwbmccpld() { |
| 57 | # BMC_JTAG_MUX_1 #218 0:BMC 1:MB |
| 58 | set_gpio_ctrl 218 out 0 |
| 59 | loadsvf -d /dev/jtag0 -s $1 -m 0 |
| 60 | wait |
| 61 | set_gpio_ctrl 218 out 1 |
| 62 | rm -f $1 |
| 63 | } |
| 64 | |
| 65 | function fwmbcpld() { |
| 66 | # BMC_JTAG_MUX_1 #218 0:BMC 1:MB |
| 67 | # BMC_JTAG_SEL #164 0:BMC 1:CPU |
| 68 | set_gpio_ctrl 218 out 1 |
| 69 | set_gpio_ctrl 164 out 1 |
| 70 | loadsvf -d /dev/jtag0 -s $1 -m 0 |
| 71 | wait |
| 72 | rm -f $1 |
| 73 | } |
| 74 | |
| 75 | function fwscp() { |
| 76 | # BMC_I2C_BACKUP_SEL #168 0:failover, 1:main |
| 77 | # BMC_CPU_EEPROM_I2C_SEL #85 0:BMC, 1:CPU |
| 78 | set_gpio_ctrl 168 out 1 |
| 79 | set_gpio_ctrl 85 out 0 |
| 80 | I2C_BUS_DEV=$(ls -l $devpath/"13-0077/" | grep channel-0 | awk '{ print $11}' | cut -c 8-) |
| 81 | ampere_eeprom_prog -b $I2C_BUS_DEV -s 0x50 -p -f $1 |
| 82 | wait |
| 83 | set_gpio_ctrl 85 out 1 |
| 84 | set_gpio_ctrl 168 out 1 |
| 85 | rm -f $1 |
| 86 | } |
| 87 | |
| 88 | function fwscpback() { |
| 89 | # BMC_I2C_BACKUP_SEL #168 0:failover, 1:main |
| 90 | # BMC_CPU_EEPROM_I2C_SEL #85 0:BMC, 1:CPU |
| 91 | set_gpio_ctrl 168 out 0 |
| 92 | set_gpio_ctrl 85 out 0 |
| 93 | I2C_BUS_DEV=$(ls -l $devpath/"13-0077/" | grep channel-0 | awk '{ print $11}' | cut -c 8-) |
| 94 | ampere_eeprom_prog -b $I2C_BUS_DEV -s 0x50 -p -f $1 |
| 95 | wait |
| 96 | set_gpio_ctrl 85 out 1 |
| 97 | set_gpio_ctrl 168 out 1 |
| 98 | rm -f $1 |
| 99 | } |
| 100 | |
| 101 | |
| 102 | case $1 in |
| 103 | bios) |
| 104 | fwbios $2 |
| 105 | ;; |
| 106 | bmccpld) |
| 107 | fwbmccpld $2 |
| 108 | ;; |
| 109 | mbcpld) |
| 110 | fwmbcpld $2 |
| 111 | ;; |
| 112 | scp) |
| 113 | fwscp $2 |
| 114 | ;; |
| 115 | scpback) |
| 116 | fwscpback $2 |
| 117 | ;; |
| 118 | *) |
| 119 | ;; |
| 120 | esac |