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1# Copyright (C) 2014 Intel Corporation
2#
3# Released under the MIT license (see COPYING.MIT)
4
5# This module adds support to testimage.bbclass to deploy images and run
6# tests on a BeagleBone (original "white" or Black models). The device must
7# be set up as per README.hardware and the master image should be deployed
8# onto the card so that it boots into it by default. For booting into the
9# image under test we interact with u-boot over serial, so for the
10# BeagleBone Black you will need an additional TTL serial cable since a
11# serial interface isn't automatically provided over the USB connection as
12# it is on the original BeagleBone ("white") version. The separate ext3
13# partition that will contain the image to be tested must be labelled
14# "testrootfs" so that the deployment code below can find it.
15#
16# NOTE: for the BeagleBone "white" (original version) you may need to use
17# a script which handles the serial device disappearing on power down, such
18# as scripts/contrib/serdevtry in OE-Core.
19
20import os
21import bb
22import time
23import subprocess
24import sys
25import pexpect
26
27import oeqa.utils.sshcontrol as sshcontrol
28from oeqa.controllers.masterimage import MasterImageHardwareTarget
29
30
31class BeagleBoneTarget(MasterImageHardwareTarget):
32
33 dtbs = {'uImage-am335x-bone.dtb': 'am335x-bone.dtb', 'uImage-am335x-boneblack.dtb': 'am335x-boneblack.dtb'}
34
35 @classmethod
36 def get_extra_files(self):
37 return list(self.dtbs.keys())
38
39 def __init__(self, d):
40 super(BeagleBoneTarget, self).__init__(d)
41
42 self.image_fstype = self.get_image_fstype(d)
43 self.deploy_cmds = [
44 'mkdir -p /mnt/testrootfs',
45 'mount -L testrootfs /mnt/testrootfs',
46 'rm -rf /mnt/testrootfs/*',
47 'tar xvf ~/test-rootfs.%s -C /mnt/testrootfs' % self.image_fstype,
48 '[ -e /mnt/testrootfs/boot/uImage ] || [ -L /mnt/testrootfs/boot/uImage ] || cp ~/test-kernel /mnt/testrootfs/boot/uImage',
49 ]
50
51 for _, dtbfn in self.dtbs.iteritems():
52 # Kernel and dtb files may not be in the image, so copy them if not
53 self.deploy_cmds.append('[ -e /mnt/testrootfs/boot/{0} ] || cp ~/{0} /mnt/testrootfs/boot/'.format(dtbfn))
54
55 if not self.serialcontrol_cmd:
56 bb.fatal("This TEST_TARGET needs a TEST_SERIALCONTROL_CMD defined in local.conf.")
57
58
59 def _deploy(self):
60 self.master.run("umount /boot; umount /mnt/testrootfs;")
61 self.master.ignore_status = False
62 # Kernel and dtb files may not be in the image, so copy them just in case
63 self.master.copy_to(self.kernel, "~/test-kernel")
64 kernelpath = os.path.dirname(self.kernel)
65 for dtborig, dtbfn in self.dtbs.iteritems():
66 dtbfile = os.path.join(kernelpath, dtborig)
67 if os.path.exists(dtbfile):
68 self.master.copy_to(dtbfile, "~/%s" % dtbfn)
69 self.master.copy_to(self.rootfs, "~/test-rootfs.%s" % self.image_fstype)
70 for cmd in self.deploy_cmds:
71 self.master.run(cmd)
72
73 def _start(self, params=None):
74 self.power_cycle(self.master)
75 try:
76 serialconn = pexpect.spawn(self.serialcontrol_cmd, env=self.origenv, logfile=sys.stdout)
77 # We'd wait for "U-Boot" here but sometimes we connect too late on BeagleBone white to see it
78 serialconn.expect("NAND:")
79 serialconn.expect("MMC:")
80 serialconn.sendline("a")
81 serialconn.expect("U-Boot#")
82 serialconn.sendline("setenv bootpart 0:3")
83 serialconn.expect("U-Boot#")
84 serialconn.sendline("setenv mmcroot /dev/mmcblk0p3 ro")
85 serialconn.expect("U-Boot#")
86 serialconn.sendline("boot")
87 serialconn.expect("login:", timeout=120)
88 serialconn.close()
89 except pexpect.ExceptionPexpect as e:
90 bb.fatal('Serial interaction failed: %s' % str(e))
91
92 def _wait_until_booted(self):
93 try:
94 serialconn = pexpect.spawn(self.serialcontrol_cmd, env=self.origenv, logfile=sys.stdout)
95 serialconn.expect("login:", timeout=120)
96 serialconn.close()
97 except pexpect.ExceptionPexpect as e:
98 bb.fatal('Serial interaction failed: %s' % str(e))