Ben NanoNote New Owner's Questions
yi at sharism.cc
Sun Mar 14 13:20:03 EDT 2010
Boot steps wrote by xiangfu is added to wiki:
On 2010-3-14, at 下午12:40, Xiangfu Liu wrote:
> kahl at cas.mcmaster.ca wrote:
>> I wrote:
>> > Xiangfu Liu wrote:
>> > > > Wolfgang Spraul wrote:
>> > > >> How can I switch Ben off while it is in USB_BOOT_mode,
>> > > >> with no usb_boot tools on the host side? > > >> (I
>> ended up taking the battery out.) > > > > > > Battery out
>> probably the only way.
>> > > > > sometimes I use the "reset" button at the back of Ben.
>> > > What does that exactly do? Reboot the machine
>> > in normal mode?
>> Sorry, I meant to ask:
>> What is the expected result of pressing the reset button?
>> (I would assume that the expected result of pressing the reset button
>> does not depend on the kind of state Ben is in,
>> but if it does depend, I would like to know how it depends.)
> Hi Wolfram sorry for my bad English :-)
> it's does not depend on the kind of state Ben is in.
>> Does pressing the reset button reboot the machine into normal mode?
>> (Or does it perhaps just power it off?)
> let me talk about the ben boot.
> 1. poweron Ben 2. hardware will check the usbboot pin(under the
> --> if usbboot pin short goto [Hardware USBOOT Mode] --> [wait PC
> usb connect] --> [END]
> --> if not short. goto step.
> 3. load the bootloader to ram.
> 4. bootloader will check if key [U], [S], [M] pressed.
> --> if [U] pressed goto [Software USBBOOT Mode] --> [wait PC usb
> connect] --> [END]
> --> if [S] pressed. enable the serial console. goto step
> --> if [M] pressed. goto step.
> --> if none pressed. direct goto step.
> 5. wait input from serial console for 5secs.
> --> if something input, enable bootloader console. stop at
> --> nothing input. goto step
> 6. load the kernel, boot the rootfs in NAND.
> 7. load the kernel, boot the rootfs in sd card.
> so whenever you press [reset]. it's will always goto SETP and do
> those follow steps.
> if something wrong with step. the nanonote screen will black and
> nothing happen.
> so if you meet black screen issue. just reflash the bootloader.
> if something wrong with load kernel. ben will stop at screen with
> some messgge like:
> fail to load kernel ...... so we need reflash the kernel.
> if something wrong with boot to rootfs. ben will stop at slash
> screen "OpenWrt". and no message
> at the end of screen. so we need reflash the rootfs.
>> discussion mailing list
>> discussion at lists.qi-hardware.com
> discussion mailing list
> discussion at lists.qi-hardware.com
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