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.