rockchip: rk3399: use grf structure to access reg

Prefer to use structure to access register if we could.

Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>

diff --git a/arch/arm/mach-rockchip/rk3399/rk3399.c b/arch/arm/mach-rockchip/rk3399/rk3399.c
index a0af096..612ebdf 100644 (file)
--- a/arch/arm/mach-rockchip/rk3399/rk3399.c
+++ b/arch/arm/mach-rockchip/rk3399/rk3399.c
@@ -7,11 +7,13 @@
 #include <spl_gpio.h>
 #include <asm/armv8/mmu.h>
 #include <asm/io.h>
+#include <asm/arch-rockchip/grf_rk3399.h>
 #include <asm/arch-rockchip/hardware.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
 #define GRF_EMMCCORE_CON11 0xff77f02c
+#define GRF_BASE       0xff770000
 
 static struct mm_region rk3399_mem_map[] = {
        {
@@ -49,9 +51,10 @@ int dram_init_banksize(void)
 int arch_cpu_init(void)
 {
        /* We do some SoC one time setting here. */
+       struct rk3399_grf_regs * const grf = (void *)GRF_BASE;
 
        /* Emmc clock generator: disable the clock multipilier */
-       rk_clrreg(GRF_EMMCCORE_CON11, 0x0ff);
+       rk_clrreg(&grf->emmccore_con[11], 0x0ff);
 
        return 0;
 }