if itest.s a$uboot_defconfig == a; then
|
echo "Please set uboot_defconfig to the appropriate value"
|
exit
|
fi
|
|
offset=0x400
|
erase_size=0xC0000
|
qspi_offset=0x0
|
a_base=0x12000000
|
block_size=0x200
|
|
#grab 1st 2/3 characters of string
|
setexpr cpu2 sub "^(..?).*" "\\1" "${imx_cpu}"
|
setexpr cpu3 sub "^(..?.?).*" "\\1" "${imx_cpu}"
|
if itest.s x51 == "x${cpu2}"; then
|
a_base=0x92000000
|
elif itest.s x53 == "x${cpu2}"; then
|
a_base=0x72000000
|
elif itest.s x6SX == "x${cpu3}" || itest.s x6U == "x${cpu2}" || itest.s x7D == "x${cpu2}"; then
|
a_base=0x82000000
|
elif itest.s x8M == "x${cpu2}"; then
|
a_base=0x42000000
|
offset=0x8400
|
if itest.s x8MN == "x${cpu3}" || itest.s x8MP == "x${cpu3}"; then
|
offset=0x8000
|
if itest ${env_part} != 0 ; then
|
offset=0x0
|
fi
|
fi
|
fi
|
|
qspi_match=1
|
setexpr a_qspi1 ${a_base}
|
setexpr a_qspi2 ${a_qspi1} + 0x400000
|
setexpr a_uImage1 ${a_qspi1} + 0x400
|
setexpr a_uImage2 ${a_qspi2} + 0x400
|
setexpr a_script ${a_base}
|
|
if itest.s "x${vidconsole}" == "x" ; then
|
vidconsole=vga
|
fi
|
setenv stdout serial,${vidconsole}
|
|
if itest.s "x${sfname}" == "x" ; then
|
# U-Boot resides in (e)MMC
|
if itest.s "x${env_dev}" == "x" || itest.s "x${env_part}" == "x"; then
|
echo "Please set env_dev/part to the appropriate values"
|
exit
|
fi
|
|
# Load bootloader binary for this board
|
if ${fs}load ${devtype} ${devnum}:${distro_bootpart} ${a_uImage1} u-boot.$uboot_defconfig ; then
|
else
|
echo "File u-boot.$uboot_defconfig not found on SD card" ;
|
exit
|
fi
|
|
# Compute block count for filesize and offset
|
setexpr cntoffset ${offset} / ${block_size}
|
setexpr cntfile ${filesize} / ${block_size}
|
# Add 1 in case the $filesize is not a multiple of $block_size
|
setexpr cntfile ${cntfile} + 1
|
|
# Select media partition (if different from main partition)
|
mmc dev ${env_dev} ${env_part}
|
|
# Read and compare current U-Boot
|
mmc read ${a_uImage2} ${cntoffset} ${cntfile}
|
if cmp.b ${a_uImage1} ${a_uImage2} ${filesize} ; then
|
echo "------- U-Boot versions match" ;
|
echo "------- U-Boot upgrade NOT needed" ;
|
exit ;
|
fi
|
|
echo "Need U-Boot upgrade" ;
|
echo "Program in 5 seconds" ;
|
for n in 5 4 3 2 1 ; do
|
echo $n ;
|
sleep 1 ;
|
done
|
mmc write ${a_uImage1} ${cntoffset} ${cntfile}
|
|
# Make sure to boot from the proper partition
|
if itest ${env_part} != 0 ; then
|
mmc partconf ${env_dev} 1 ${env_part} 0
|
fi
|
|
# Switch back to main eMMC partition (to avoid confusion)
|
mmc dev ${env_dev}
|
|
else
|
# U-Boot resides in NOR flash
|
if sf probe || sf probe || sf probe 1 27000000 || sf probe 1 27000000 ; then
|
echo "probed SPI ROM" ;
|
else
|
echo "Error initializing EEPROM"
|
exit
|
fi
|
|
if itest.s "x${sfname}" == "xat45db041d" ; then
|
erase_size=0x7e000
|
fi
|
|
if itest.s x7D == "x${imx_cpu}"; then
|
echo "check qspi parameter block" ;
|
if ${fs}load ${devtype} ${devnum}:${distro_bootpart} ${a_qspi1} qspi-${sfname}.${uboot_defconfig} ; then
|
else
|
echo "parameter file qspi-${sfname}.${uboot_defconfig} not found on SD card"
|
exit
|
fi
|
if itest ${filesize} != 0x200 ; then
|
echo "------- qspi-${sfname}.${uboot_defconfig} 0x${filesize} != 0x200 bytes" ;
|
exit
|
fi
|
setexpr a_marker ${a_qspi1} + 0x1fc
|
if itest *${a_marker} != c0ffee01 ; then
|
echo "------- qspi-${sfname}.${uboot_defconfig} c0ffee01 marker missing" ;
|
exit
|
fi
|
if sf read ${a_qspi2} ${qspi_offset} 0x200 ; then
|
else
|
echo "Error reading qspi parameter from EEPROM"
|
exit
|
fi
|
if cmp.b ${a_qspi1} ${a_qspi2} 0x200 ; then
|
echo "------- qspi parameters match"
|
else
|
echo "------- qspi parameters mismatch"
|
qspi_match=0
|
fi
|
fi
|
|
echo "check U-Boot" ;
|
|
if ${fs}load ${devtype} ${devnum}:${distro_bootpart} ${a_uImage1} u-boot.$uboot_defconfig ; then
|
else
|
echo "File u-boot.$uboot_defconfig not found on SD card" ;
|
exit
|
fi
|
echo "read $filesize bytes from SD card" ;
|
if sf read ${a_uImage2} $offset $filesize ; then
|
else
|
echo "Error reading boot loader from EEPROM" ;
|
exit
|
fi
|
|
if cmp.b ${a_uImage1} ${a_uImage2} $filesize ; then
|
echo "------- U-Boot versions match" ;
|
if itest.s "${qspi_match}" == "1" ; then
|
echo "------- U-Boot upgrade NOT needed" ;
|
if itest.s "x" != "x${next}" ; then
|
if ${fs}load ${devtype} ${devnum}:${distro_bootpart} ${a_script} ${next} ; then
|
source ${a_script}
|
else
|
echo "${next} not found on SD card"
|
fi
|
fi
|
exit
|
fi
|
erase_size=0x1000
|
if itest.s xMX25L6405D == "x${sfname}"; then
|
erase_size=0x10000
|
fi
|
setexpr filesize ${erase_size} - ${offset}
|
fi
|
|
echo "Need U-Boot upgrade" ;
|
echo "Program in 5 seconds" ;
|
for n in 5 4 3 2 1 ; do
|
echo $n ;
|
sleep 1 ;
|
done
|
echo "erasing" ;
|
sf erase 0 ${erase_size} ;
|
|
# two steps to prevent bricking
|
echo "programming" ;
|
setexpr a1 ${a_uImage1} + 0x400
|
setexpr o1 ${offset} + 0x400
|
setexpr s1 ${filesize} - 0x400
|
sf write ${a1} ${o1} ${s1} ;
|
sf write ${a_uImage1} $offset 0x400 ;
|
|
if itest.s x7D == "x${imx_cpu}"; then
|
sf write ${a_qspi1} ${qspi_offset} 0x200
|
fi
|
|
echo "verifying" ;
|
if sf read ${a_uImage2} $offset $filesize ; then
|
else
|
echo "Error re-reading EEPROM" ;
|
exit
|
fi
|
if cmp.b ${a_uImage1} ${a_uImage2} $filesize ; then
|
else
|
echo "Read verification error" ;
|
exit
|
fi
|
|
if itest.s x7D == "x${imx_cpu}"; then
|
if sf read ${a_qspi2} ${qspi_offset} 0x200 ; then
|
else
|
echo "Error re-reading qspi" ;
|
exit
|
fi
|
if cmp.b ${a_qspi1} ${a_qspi2} 0x200 ; then
|
else
|
echo "qspi parameter block verification error" ;
|
exit
|
fi
|
fi
|
|
if itest.s "x" != "x${next}" ; then
|
if ${fs}load ${devtype} ${devnum}:${distro_bootpart} ${a_script} ${next} ; then
|
source ${a_script}
|
else
|
echo "${next} not found on ${devtype} ${devnum}:${distro_bootpart}"
|
fi
|
fi
|
fi
|
|
if itest.s "xno" == "x${reset}" ; then
|
while echo "---- U-Boot upgraded. Please reset the board" ; do
|
sleep 120
|
done
|
fi
|
echo "---- U-Boot upgraded. The board will now reset."
|
sleep 1
|
reset
|
done
|
