Fwd: [linux-sunxi] Re: [PATCH v2 17/20] ARM: sunxi: Introduce Allwinner A23 support

[Chen-Yu Tsai]

On Wed, Jun 18, 2014 at 8:26 PM, Maxime Ripard
<maxime.ripard at free-electrons.com> wrote:
> On Tue, Jun 17, 2014 at 10:52:54PM +0800, Chen-Yu Tsai wrote:
>> The Allwinner A23 is a dual-core Cortex-A7-based SoC. It re-uses most of
>> the IPs found in previous SoCs, notably the A31.
>>
>> Signed-off-by: Chen-Yu Tsai <wens at csie.org>
>> ---
>>  arch/arm/mach-sunxi/Kconfig |  8 ++++++++
>>  arch/arm/mach-sunxi/sunxi.c | 10 ++++++++++
>>  2 files changed, 18 insertions(+)
>>
>> diff --git a/arch/arm/mach-sunxi/Kconfig b/arch/arm/mach-sunxi/Kconfig
>> index 0fbd4f1..6434e3b 100644
>> --- a/arch/arm/mach-sunxi/Kconfig
>> +++ b/arch/arm/mach-sunxi/Kconfig
>> @@ -35,4 +35,12 @@ config MACH_SUN7I
>>       select HAVE_ARM_ARCH_TIMER
>>       select SUN5I_HSTIMER
>>
>> +config MACH_SUN8I
>> +     bool "Allwinner A23 (sun8i) SoCs support"
>> +     default ARCH_SUNXI
>> +     select ARCH_HAS_RESET_CONTROLLER
>> +     select ARM_GIC
>> +     select MFD_SUN6I_PRCM
>> +     select RESET_CONTROLLER
>> +
>>  endif
>> diff --git a/arch/arm/mach-sunxi/sunxi.c b/arch/arm/mach-sunxi/sunxi.c
>> index 3f9587b..962ff30 100644
>> --- a/arch/arm/mach-sunxi/sunxi.c
>> +++ b/arch/arm/mach-sunxi/sunxi.c
>> @@ -53,3 +53,13 @@ static const char * const sun7i_board_dt_compat[] = {
>>  DT_MACHINE_START(SUN7I_DT, "Allwinner sun7i (A20) Family")
>>       .dt_compat      = sun7i_board_dt_compat,
>>  MACHINE_END
>> +
>> +static const char * const sun8i_board_dt_compat[] = {
>> +     "allwinner,sun8i-a23",
>> +     NULL,
>> +};
>> +
>> +DT_MACHINE_START(SUN8I_DT, "Allwinner sun8i (A23) Family")
>> +     .init_time      = sun6i_timer_init,
>
> I haven't seen anything in your code that needed to use this
> function. Am I missing something?

(Adding Maxime back to recipients...)

My mistake. From the log I thought all timers needed the reset
controller. Turns out only the high speed timer does.

I'll remove the call in the next version.


ChenYu