From 7a303fe5d135d223d84ee8157aa2c5eebcc4182e Mon Sep 17 00:00:00 2001 From: Valentin Spreckels Date: Fri, 9 Mar 2018 20:17:16 +0100 Subject: [PATCH] scripts: add EVA ramboot script Use the EVA bootloader to load a small linux system into the ram and boot it from there: ./scripts/flashing/eva_ramboot.py 192.168.178.1 path/to/initramfs-kernel.bin Signed-off-by: Valentin Spreckels Acked-by: John Crispin [reworded commit message] Signed-off-by: Mathias Kresin --- scripts/flashing/eva_ramboot.py | 37 +++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100755 scripts/flashing/eva_ramboot.py diff --git a/scripts/flashing/eva_ramboot.py b/scripts/flashing/eva_ramboot.py new file mode 100755 index 0000000000..b825d2768b --- /dev/null +++ b/scripts/flashing/eva_ramboot.py @@ -0,0 +1,37 @@ +#!/usr/bin/python + +from ftplib import FTP +from sys import argv +from os import stat + +assert len(argv) == 3 +ip = argv[1] +image = argv[2] + +size = stat(image).st_size +# arbitrary size limit, to prevent the address calculations from overflows etc. +assert size < 0x2000000 + +# We need to align the address. A page boundary seems to be sufficient on 7362sl +# and 7412 +addr = ((0x8000000 - size) & ~0xfff) +haddr = 0x80000000 + addr +img = open(image, "rb") + +ftp = FTP(ip, 'adam2', 'adam2') + +def adam(cmd): + print("> %s"%(cmd)) + resp = ftp.sendcmd(cmd) + print("< %s"%(resp)) + assert resp[0:3] == "200" + +ftp.set_pasv(True) +# The following parameters allow booting the avm recovery system with this +# script. +adam('SETENV memsize 0x%08x'%(addr)) +adam('SETENV kernel_args_tmp mtdram1=0x%08x,0x88000000'%(haddr)) +adam('MEDIA SDRAM') +ftp.storbinary('STOR 0x%08x 0x88000000'%(haddr), img) +img.close() +ftp.close()