Commit d3a262f8 authored by Oleg Dzhimiev's avatar Oleg Dzhimiev
Browse files

flash_erase for rootfs does not depend on hardcoded value anymore - depends on... 

flash_erase for rootfs does not depend on hardcoded value anymore - depends on sysfs (device tree) instead
parent fde729b5

src/update/update_nand.php

+13 −2
Original line number Diff line number Diff line
@@ -34,7 +34,10 @@ $BKP_DIR = "/etc/elphel393"; 
# update files

# file, expertise level, nand partition, size - see http://wiki.elphel.com/index.php?title=NAND_flash_boot_rootfs

# partitions are also listed in the device tree

# WARNING: DO NOT CHANGE



# for rootfs.ubi - e[3] (=="0 2560") for flash_erase is now calculated from sysfs and depends on the device tree



# WARNING: TRY NOT TO CHANGE

$UPDATE_LIST = array(

  array(0,"boot.bin",      "/dev/mtd0","0 2"),

  array(0,"u-boot-dtb.img","/dev/mtd1","0 8"),
@@ -155,7 +158,15 @@ function nandflash($list){ 
      }else{

        if (!is_dir($NAND_PATH)) {

          exec("flash_unlock ${e[2]} >> $FLASH_LOG");

          exec("flash_erase ${e[2]} ${e[3]} >> $FLASH_LOG");

          // make more universal

          $mtd_device = explode("/",$e[2])[2];

          $mtd_sysfs_path = "/sys/class/mtd/$mtd_device";

          $mtd_size      = intval(file_get_contents("$mtd_sysfs_path/size"));

          $mtd_erasesize = intval(file_get_contents("$mtd_sysfs_path/erasesize"));

          $mtd_size_blocks = intval($mtd_size/$mtd_erasesize);

          $mtd_erase_start = 0;

          //exec("flash_erase ${e[2]} ${e[3]} >> $FLASH_LOG");

          exec("flash_erase ${e[2]} $mtd_erase_start $mtd_size_blocks >> $FLASH_LOG");

          exec("ubiformat ${e[2]} -f $UPDATE_DIR/${e[1]} ${e[4]} >> $FLASH_LOG");

        }else{

          rootfs_warning_note();