[U-Boot] [PATCH] rockchip: spl: RK3399: add COUNTER_FREQUENCY define to rk3399_common.h

[Simon Glass]

On 23 March 2017 at 21:39, Kever Yang <kever.yang at rock-chips.com> wrote:
> Hi Philipp,
>
> On 03/24/2017 06:27 AM, Philipp Tomsich wrote:
>>
>> The BootROM of the RK3399 SoC does not initialise the cntfrq_el0 (which
>> holds the value 0 (zero) on entry into the SPL. This causes the timebase
>> for U-Boot not to advance (and will cause a hang where a timeout would
>> be expected... e.g. if something goes wrong during MMC/SD card startup).
>>
>> This change defines COUNTER_FREQUENCY, which is used by the AArch64 init
>> code in arch/arm/cpu/armv8/start.S to set up cntfrq_el0 (if necessary).
>>
>> Signed-off-by: Philipp Tomsich <philipp.tomsich at theobroma-systems.com>
>> ---
>>
>>   include/configs/rk3399_common.h | 2 ++
>>   1 file changed, 2 insertions(+)
>>
>> diff --git a/include/configs/rk3399_common.h
>> b/include/configs/rk3399_common.h
>> index aeee805..c44f8ad 100644
>> --- a/include/configs/rk3399_common.h
>> +++ b/include/configs/rk3399_common.h
>> @@ -19,6 +19,8 @@
>>   #define CONFIG_SPL_DRIVERS_MISC_SUPPORT
>>   #define CONFIG_SPL_SERIAL_SUPPORT
>>   +#define COUNTER_FREQUENCY               24000000
>> +
>>   #define CONFIG_SYS_NS16550_MEM32
>>     #define CONFIG_SYS_TEXT_BASE                0x00200000
>
>
> Reveiwed-by: Kever Yang <kever.yang at rock-chips.com>

Acked-by: Simon Glass <sjg at chromium.org>