[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
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