When using CONFIG_MMU_EARLY combined with CONFIG_PBL_IMAGE, the barebox
setup reuses the MMU setup from the PBL, but doesn't setup the cache
functions.
Set these up to guarantee proper early cache handing before mmu_initcall().
Signed-off-by: Andre Heider <a.heider@xxxxxxxxx>
---
arch/arm/cpu/start.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/arch/arm/cpu/start.c b/arch/arm/cpu/start.c
index f8d343f..f0a7df3 100644
--- a/arch/arm/cpu/start.c
+++ b/arch/arm/cpu/start.c
@@ -70,7 +70,9 @@ static noinline __noreturn void __start(uint32_t membase, uint32_t memsize,
endmem &= ~0x3fff;
endmem -= SZ_16K; /* ttb */
- if (!IS_ENABLED(CONFIG_PBL_IMAGE)) {
+ if (IS_ENABLED(CONFIG_PBL_IMAGE)) {
+ arm_set_cache_functions();
+ } else {
arm_early_mmu_cache_invalidate();
mmu_early_enable(membase, memsize, endmem);
}
--
1.8.3.2
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