diff options
Diffstat (limited to 'arch/arm/cpu/armv8/cache_v8.c')
| -rw-r--r-- | arch/arm/cpu/armv8/cache_v8.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv8/cache_v8.c b/arch/arm/cpu/armv8/cache_v8.c index df15e0066d..d1bd06bedf 100644 --- a/arch/arm/cpu/armv8/cache_v8.c +++ b/arch/arm/cpu/armv8/cache_v8.c @@ -566,6 +566,15 @@ void mmu_set_region_dcache_behaviour(phys_addr_t start, size_t size, #else /* CONFIG_SYS_DCACHE_OFF */ +/* + * For SPL builds, we may want to not have dcache enabled. Any real U-Boot + * running however really wants to have dcache and the MMU active. Check that + * everything is sane and give the developer a hint if it isn't. + */ +#ifndef CONFIG_SPL_BUILD +#error Please describe your MMU layout in CONFIG_SYS_MEM_MAP and enable dcache. +#endif + void invalidate_dcache_all(void) { } |