[PATCH 1/3] ARM: PRIMA2: use DT_MACHINE_START and convert to generic board

Barry Song 21cnbao at gmail.com
Mon Aug 20 21:49:04 EDT 2012


2012/8/21 Arnd Bergmann <arnd at arndb.de>:
> On Monday 20 August 2012, Barry Song wrote:
>> From: Barry Song <Baohua.Song at csr.com>
>>
>> we will have SiRFMarco and SiRFPolo, all of them will be in the
>> generic board.
>>
>> Signed-off-by: Barry Song <Baohua.Song at csr.com>
>> ---
>>  arch/arm/mach-prima2/Makefile                      |    2 +-
>>  arch/arm/mach-prima2/{prima2.c => board-generic.c} |   10 ++++++----
>>  2 files changed, 7 insertions(+), 5 deletions(-)
>>  rename arch/arm/mach-prima2/{prima2.c => board-generic.c} (81%)
>
> I would prefer not to have a board-* file in there, because it's not
> specific to a board. If you want to get rid of the prima2 name in it,
> you can call it common.c.

that is fine to me. i rename to board-generic.c just because omap and
some others did like that.
and i'll add marco and polo DT_MACHINE_START to this file too.

>
>> diff --git a/arch/arm/mach-prima2/prima2.c b/arch/arm/mach-prima2/board-generic.c
>> similarity index 81%
>> rename from arch/arm/mach-prima2/prima2.c
>> rename to arch/arm/mach-prima2/board-generic.c
>> index e9a17ae..f06b887 100644
>> --- a/arch/arm/mach-prima2/prima2.c
>> +++ b/arch/arm/mach-prima2/board-generic.c
>> @@ -30,12 +30,13 @@ void __init sirfsoc_init_late(void)
>>       sirfsoc_pm_init();
>>  }
>>
>> -static const char *prima2cb_dt_match[] __initdata = {
>> -       "sirf,prima2-cb",
>> +#ifdef CONFIG_ARCH_PRIMA2
>> +static const char *prima2_dt_match[] __initdata = {
>> +       "sirf,prima2",
>>         NULL
>>  };
>>
>> -MACHINE_START(PRIMA2_EVB, "prima2cb")
>> +DT_MACHINE_START(PRIMA2_DT, "Generic PRIMA2 (Flattened Device Tree)")
>>       /* Maintainer: Barry Song <baohua.song at csr.com> */
>>       .atag_offset    = 0x100,
>>       .map_io         = sirfsoc_map_lluart,
>> @@ -44,6 +45,7 @@ MACHINE_START(PRIMA2_EVB, "prima2cb")
>>       .dma_zone_size  = SZ_256M,
>>       .init_machine   = sirfsoc_mach_init,
>>       .init_late      = sirfsoc_init_late,
>> -     .dt_compat      = prima2cb_dt_match,
>> +     .dt_compat      = prima2_dt_match,
>>       .restart        = sirfsoc_restart,
>>  MACHINE_END
>> +#endif
>
> I suppose this never really worked before then?

i am not sure what you mean, but this does work and i tested and found
prima2 can boot normally.

>
>         Arnd

-barry



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