nds32: Fix the virtual address may map too much range by tlbop issue.
We use tlbop to map virtual address in the first beginning, however it
may map too much if DRAM size is not that big. We have to invalidate the
mapping when the page table is created.
Signed-off-by: Greentime Hu <greentime@andestech.com>
diff --git a/arch/nds32/kernel/setup.c b/arch/nds32/kernel/setup.c
index ba910e9..2f5b2cc 100644
--- a/arch/nds32/kernel/setup.c
+++ b/arch/nds32/kernel/setup.c
@@ -293,6 +293,9 @@
/* paging_init() sets up the MMU and marks all pages as reserved */
paging_init();
+ /* invalidate all TLB entries because the new mapping is created */
+ __nds32__tlbop_flua();
+
/* use generic way to parse */
parse_early_param();