ARM: CSR: mapping early DEBUG_LL uart

Signed-off-by: Barry Song <baohua.song@csr.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
diff --git a/arch/arm/mach-prima2/prima2.c b/arch/arm/mach-prima2/prima2.c
index c26947d..f57124b 100644
--- a/arch/arm/mach-prima2/prima2.c
+++ b/arch/arm/mach-prima2/prima2.c
@@ -33,6 +33,7 @@
 	/* Maintainer: Barry Song <baohua.song@csr.com> */
 	.boot_params	= 0x00000100,
 	.init_early     = sirfsoc_of_clk_init,
+	.map_io         = sirfsoc_map_lluart,
 	.init_irq	= sirfsoc_of_irq_init,
 	.timer		= &sirfsoc_timer,
 	.init_machine	= sirfsoc_mach_init,