* [U-Boot] powerdown can't work (mx28)
@ 2012-07-25 2:33 alex
2012-07-25 20:42 ` Marek Vasut
0 siblings, 1 reply; 4+ messages in thread
From: alex @ 2012-07-25 2:33 UTC (permalink / raw)
To: u-boot
Hi:
I find that mx28_powerdown function can't power down mx28, and continue to load kernel.... I don't know whether this issue is on your side. My board is changed frommx28evk. Was mx28_powerdown function tested?
Best Regards,
Alex
^ permalink raw reply [flat|nested] 4+ messages in thread
* [U-Boot] powerdown can't work (mx28)
2012-07-25 2:33 [U-Boot] powerdown can't work (mx28) alex
@ 2012-07-25 20:42 ` Marek Vasut
2012-07-26 1:31 ` alex
0 siblings, 1 reply; 4+ messages in thread
From: Marek Vasut @ 2012-07-25 20:42 UTC (permalink / raw)
To: u-boot
Dear alex,
> Hi:
> I find that mx28_powerdown function can't power down mx28, and continue
> to load kernel.... I don't know whether this issue is on your side. My
> board is changed frommx28evk. Was mx28_powerdown function tested? Best
I think this question was here already.
What do you expect that function to do? It won't do anything like ACPI powerdown
you know from PC (it's not even possible on the hardware I guess).
The function should probably be adjusted and some "for(;;);" added at the end,
but that's probably it.
Best regards,
Marek Vasut
^ permalink raw reply [flat|nested] 4+ messages in thread
* [U-Boot] powerdown can't work (mx28)
2012-07-25 20:42 ` Marek Vasut
@ 2012-07-26 1:31 ` alex
2012-07-30 9:23 ` alex
0 siblings, 1 reply; 4+ messages in thread
From: alex @ 2012-07-26 1:31 UTC (permalink / raw)
To: u-boot
The poweroff function in kernel can work. The similar code can be found in bootlet from FSL, and it also can work . After poweroff the system, press pswitch key and the board can startup.
At 2012-07-26 04:42:28,"Marek Vasut" <marek.vasut@gmail.com> wrote:
>Dear alex,
>
>> Hi:
>> I find that mx28_powerdown function can't power down mx28, and continue
>> to load kernel.... I don't know whether this issue is on your side. My
>> board is changed frommx28evk. Was mx28_powerdown function tested? Best
>
>I think this question was here already.
>
>What do you expect that function to do? It won't do anything like ACPI powerdown
>you know from PC (it's not even possible on the hardware I guess).
>
>The function should probably be adjusted and some "for(;;);" added at the end,
>but that's probably it.
>
>Best regards,
>Marek Vasut
^ permalink raw reply [flat|nested] 4+ messages in thread
* [U-Boot] powerdown can't work (mx28)
2012-07-26 1:31 ` alex
@ 2012-07-30 9:23 ` alex
0 siblings, 0 replies; 4+ messages in thread
From: alex @ 2012-07-30 9:23 UTC (permalink / raw)
To: u-boot
Hi:
If the voltage of battery is below 3.6v, the system still can be startup, and do you think it is right? The function mx28_powerdown is meaningless.
At 2012-07-26 09:31:20,alex <laub923@163.com> wrote:
The poweroff function in kernel can work. The similar code can be found in bootlet from FSL, and it also can work . After poweroff the system, press pswitch key and the board can startup.
At 2012-07-26 04:42:28,"Marek Vasut" <marek.vasut@gmail.com> wrote:
>Dear alex,
>
>> Hi:
>> I find that mx28_powerdown function can't power down mx28, and continue
>> to load kernel.... I don't know whether this issue is on your side. My
>> board is changed frommx28evk. Was mx28_powerdown function tested? Best
>
>I think this question was here already.
>
>What do you expect that function to do? It won't do anything like ACPI powerdown
>you know from PC (it's not even possible on the hardware I guess).
>
>The function should probably be adjusted and some "for(;;);" added at the end,
>but that's probably it.
>
>Best regards,
>Marek Vasut
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2012-07-30 9:23 UTC | newest]
Thread overview: 4+ messages (download: mbox.gz follow: Atom feed
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2012-07-25 2:33 [U-Boot] powerdown can't work (mx28) alex
2012-07-25 20:42 ` Marek Vasut
2012-07-26 1:31 ` alex
2012-07-30 9:23 ` alex
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