[U-Boot] Initilize IDE prior environment

Otavio Salvador otavio.salvador at ossystems.com.br
Tue Jun 20 20:08:00 UTC 2017


On Tue, Jun 20, 2017 at 2:42 PM, Tom Rini <trini at konsulko.com> wrote:
> On Mon, Jun 19, 2017 at 11:56:04AM -0300, Otavio Salvador wrote:
>
>> To allow the loading of environment from IDE (for example, using FAT)
>> the initilization of IDE subsystem must come before the environment
>> one.
>>
>> Successfully tested on QEMU x86.
>>
>> Signed-off-by: Otavio Salvador <otavio at ossystems.com.br>
>> ---
>>
>>  common/board_r.c | 6 +++---
>>  1 file changed, 3 insertions(+), 3 deletions(-)
>>
>> diff --git a/common/board_r.c b/common/board_r.c
>> index adc1f1937e..247a6668fc 100644
>> --- a/common/board_r.c
>> +++ b/common/board_r.c
>> @@ -806,6 +806,9 @@ static init_fnc_t init_sequence_r[] = {
>>  #ifdef CONFIG_MMC
>>       initr_mmc,
>>  #endif
>> +#if defined(CONFIG_IDE)
>> +     initr_ide,
>> +#endif
>>  #ifdef CONFIG_HAS_DATAFLASH
>>       initr_dataflash,
>>  #endif
>> @@ -878,9 +881,6 @@ static init_fnc_t init_sequence_r[] = {
>>  #if defined(CONFIG_CMD_PCMCIA) && !defined(CONFIG_IDE)
>>       initr_pcmcia,
>>  #endif
>> -#if defined(CONFIG_IDE)
>> -     initr_ide,
>> -#endif
>>  #ifdef CONFIG_LAST_STAGE_INIT
>>       INIT_FUNC_WATCHDOG_RESET
>>       /*
>
> Looking at the gap between these two areas, I see that we would
> initialize PCI between the two areas.  So there's probably boards with
> PCI IDE devices that'll regress if I take this now.  What's the answer?
> Long term, device model.  Short term?  Is there a specific upstream
> platform that you're seeing the problem or, or just custom / out of
> tree?

I am using this with QEMU. I enabled environment inside FAT and it
needs the IDE fix so the environment is properly loaded.

-- 
Otavio Salvador                             O.S. Systems
http://www.ossystems.com.br        http://code.ossystems.com.br
Mobile: +55 (53) 9981-7854            Mobile: +1 (347) 903-9750


More information about the U-Boot mailing list