On 4/8/20 9:07 PM, Patrick DELAUNAY wrote: > Hi > >> From: Marek Vasut <ma...@denx.de> >> Sent: mercredi 8 avril 2020 20:18 >> >> On 4/8/20 8:16 PM, Patrick DELAUNAY wrote: >>> Dear Marek, >>> >>>> From: Marek Vasut <ma...@denx.de> >>>> Sent: vendredi 3 avril 2020 23:29 >>>> >>>> On 4/3/20 10:28 AM, Patrick Delaunay wrote: >>>>> Add the new flags DCACHE_DEFAULT_OPTION to define the default option >>>>> to use according the compilation flags >>>>> CONFIG_SYS_ARM_CACHE_WRITETHROUGH or >>>> CONFIG_SYS_ARM_CACHE_WRITEALLOC. >>>> >>>> Can't you unify these macros into a single Kconfig "select" statement >>>> instead , and then just select the matching cache configuration in Kconfig >>>> ? >>> >>> Yes I will try, with 2 steps >>> - migrate existing CONFIG_SYS_ARM_CACHE_.... in Kconfig >>> - add new option CONFIG_SYS_ARM_CACHE_OPTION >>> >>>> Or better yet, can't you extract this info from DT ? >>> >>> I don't think.... it is called before device tree parsing >>> >> >> The FDT access should be set up as one of the first things during U-Boot's >> boot_init_f , so it should be possible. > > But I try to activate de dcache to speed-up the device tree parsing.... > So the MMU function is now called really early, in arch init. > > Or I miss something.
Ah, oops, please forget what I said.