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-rw-r--r--arch/csky/kernel/setup.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/csky/kernel/setup.c b/arch/csky/kernel/setup.c
index dff8b89444ec..c377194e4b8f 100644
--- a/arch/csky/kernel/setup.c
+++ b/arch/csky/kernel/setup.c
@@ -142,11 +142,16 @@ void __init setup_arch(char **cmdline_p)
#endif
}
+unsigned long phys_offset;
+EXPORT_SYMBOL(phys_offset);
+
asmlinkage __visible void __init csky_start(unsigned int unused, void *param)
{
/* Clean up bss section */
memset(__bss_start, 0, __bss_stop - __bss_start);
+ phys_offset = read_mmu_msa0() & ~(SSEG_SIZE - 1);
+
pre_trap_init();
pre_mmu_init();