scripts/flashing/eva_ramboot.py

   1 #!/usr/bin/python
   2
   3 from ftplib import FTP
   4 from sys import argv
   5 from os import stat
   6
   7 assert len(argv) == 3
   8 ip = argv[1]
   9 image = argv[2]
  10
  11 size = stat(image).st_size
  12 # arbitrary size limit, to prevent the address calculations from overflows etc.
  13 assert size < 0x2000000
  14
  15 # We need to align the address. A page boundary seems to be sufficient on 7362sl
  16 # and 7412
  17 addr = ((0x8000000 - size) & ~0xfff)
  18 haddr = 0x80000000 + addr
  19 img = open(image, "rb")
  20
  21 ftp = FTP(ip, 'adam2', 'adam2')
  22
  23 def adam(cmd):
  24         print("> %s"%(cmd))
  25         resp = ftp.sendcmd(cmd)
  26         print("< %s"%(resp))
  27         assert resp[0:3] == "200"
  28
  29 ftp.set_pasv(True)
  30 # The following parameters allow booting the avm recovery system with this
  31 # script.
  32 adam('SETENV memsize 0x%08x'%(addr))
  33 adam('SETENV kernel_args_tmp mtdram1=0x%08x,0x88000000'%(haddr))
  34 adam('MEDIA SDRAM')
  35 ftp.storbinary('STOR 0x%08x 0x88000000'%(haddr), img)
  36 img.close()
  37 ftp.close()