if sf probe || sf probe || \
sf probe 1 27000000 || sf probe 1 27000000 ; then
echo "probed SPI ROM" ;
- if sf read 0x12400000 $offset $filesize ; then
- if cmp.b 0x12000000 0x12400000 $filesize ; then
- echo "------- U-Boot versions match" ;
- else
- echo "Need U-Boot upgrade" ;
- echo "Program in 5 seconds" ;
- for n in 5 4 3 2 1 ; do
- echo $n ;
- sleep 1 ;
- done
+ if sf read 0x12400000 $offset $filesize ; then
+ if cmp.b 0x12000000 0x12400000 $filesize ; then
+ echo "------- U-Boot versions match" ;
+ else
+ 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 0x50000 ;
+ sf erase 0 0x50000 ;
# two steps to prevent bricking
echo "programming" ;
- sf write 0x12000000 $offset $filesize ;
+ sf write 0x12000000 $offset $filesize ;
echo "verifying" ;
- if sf read 0x12400000 $offset $filesize ; then
- if cmp.b 0x12000000 0x12400000 $filesize ; then
- while echo "---- U-Boot upgraded. reset" ; do
+ if sf read 0x12400000 $offset $filesize ; then
+ if cmp.b 0x12000000 0x12400000 $filesize ; then
+ while echo "---- U-Boot upgraded. reset" ; do
sleep 120
done
- else
- echo "Read verification error" ;
- fi
- else
- echo "Error re-reading EEPROM" ;
- fi
- fi
- else
- echo "Error reading boot loader from EEPROM" ;
- fi
+ else
+ echo "Read verification error" ;
+ fi
+ else
+ echo "Error re-reading EEPROM" ;
+ fi
+ fi
+ else
+ echo "Error reading boot loader from EEPROM" ;
+ fi
else
- echo "Error initializing EEPROM" ;
+ echo "Error initializing EEPROM" ;
fi ;
else
echo "No U-Boot image found on SD card" ;