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module/vexpress: fix reboot for Juno

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- The autoboot message in the firmware has changed; detect both the old
  and the new messages.
- Depending on where exactly the boot was interrupted, either a "reboot"
  or a "reset" may be required; so send both.
This commit is contained in:
Sergei Trofimov 2018-02-26 16:23:34 +00:00 committed by Marc Bonnici
parent b368acb755
commit 0e017ddf9f
1 changed files with 8 additions and 5 deletions
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13
devlib/module/vexpress.py
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@ -25,7 +25,8 @@ from devlib.utils.uefi import UefiMenu, UefiConfig
from devlib.utils.uboot import UbootMenu
AUTOSTART_MESSAGE = 'Press Enter to stop auto boot...'
OLD_AUTOSTART_MESSAGE = 'Press Enter to stop auto boot...'
AUTOSTART_MESSAGE = 'Hit any key to stop autoboot:'
POWERUP_MESSAGE = 'Powering up system...'
DEFAULT_MCC_PROMPT = 'Cmd>'
@ -136,18 +137,20 @@ class VexpressBootModule(BootModule):
def get_through_early_boot(self, tty):
self.logger.debug('Establishing initial state...')
tty.sendline('')
i = tty.expect([AUTOSTART_MESSAGE, POWERUP_MESSAGE, self.mcc_prompt])
if i == 2:
i = tty.expect([AUTOSTART_MESSAGE, OLD_AUTOSTART_MESSAGE, POWERUP_MESSAGE, self.mcc_prompt])
if i == 3:
self.logger.debug('Saw MCC prompt.')
time.sleep(self.short_delay)
tty.sendline('reboot')
elif i == 1:
elif i == 2:
self.logger.debug('Saw powering up message (assuming soft reboot).')
else:
self.logger.debug('Saw auto boot message.')
tty.sendline('')
time.sleep(self.short_delay)
# could be either depending on where in the boot we are
tty.sendline('reboot')
tty.sendline('reset')
def get_uefi_menu(self, tty):
menu = UefiMenu(tty)
@ -324,7 +327,7 @@ class VersatileExpressFlashModule(FlashModule):
baudrate=self.target.platform.baudrate,
timeout=self.timeout,
init_dtr=0) as tty:
i = tty.expect([self.mcc_prompt, AUTOSTART_MESSAGE])
i = tty.expect([self.mcc_prompt, AUTOSTART_MESSAGE, OLD_AUTOSTART_MESSAGE])
if i:
tty.sendline('')
wait_for_vemsd(self.vemsd_mount, tty, self.mcc_prompt, self.short_delay)