rockchip: rk3288: sdram: use constants in ddrconf table
Use defines to describe the bit shifts used to create the
table for ddrconf register values.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/arm/include/asm/arch-rockchip/ddr_rk3288.h b/arch/arm/include/asm/arch-rockchip/ddr_rk3288.h
index fccabcd..9a59075 100644
--- a/arch/arm/include/asm/arch-rockchip/ddr_rk3288.h
+++ b/arch/arm/include/asm/arch-rockchip/ddr_rk3288.h
@@ -425,6 +425,14 @@
#define START_CMD (1u << 31)
+/*
+ * DDRCONF
+ * [5:4] row(13+n)
+ * [1:0] col(9+n), assume bw=2
+ */
+#define DDRCONF_ROW_SHIFT 4
+#define DDRCONF_COL_SHIFT 0
+
/* DEVTODEV */
#define BUSWRTORD_SHIFT 4
#define BUSRDTOWR_SHIFT 2
diff --git a/arch/arm/mach-rockchip/rk3288/sdram_rk3288.c b/arch/arm/mach-rockchip/rk3288/sdram_rk3288.c
index 89fd8e6..868b96d 100644
--- a/arch/arm/mach-rockchip/rk3288/sdram_rk3288.c
+++ b/arch/arm/mach-rockchip/rk3288/sdram_rk3288.c
@@ -596,16 +596,16 @@
const int ddrconf_table[] = {
/* row col,bw */
0,
- ((1 << 4) | 1),
- ((2 << 4) | 1),
- ((3 << 4) | 1),
- ((4 << 4) | 1),
- ((1 << 4) | 2),
- ((2 << 4) | 2),
- ((3 << 4) | 2),
- ((1 << 4) | 0),
- ((2 << 4) | 0),
- ((3 << 4) | 0),
+ ((1 << DDRCONF_ROW_SHIFT) | 1 << DDRCONF_COL_SHIFT),
+ ((2 << DDRCONF_ROW_SHIFT) | 1 << DDRCONF_COL_SHIFT),
+ ((3 << DDRCONF_ROW_SHIFT) | 1 << DDRCONF_COL_SHIFT),
+ ((4 << DDRCONF_ROW_SHIFT) | 1 << DDRCONF_COL_SHIFT),
+ ((1 << DDRCONF_ROW_SHIFT) | 2 << DDRCONF_COL_SHIFT),
+ ((2 << DDRCONF_ROW_SHIFT) | 2 << DDRCONF_COL_SHIFT),
+ ((3 << DDRCONF_ROW_SHIFT) | 2 << DDRCONF_COL_SHIFT),
+ ((1 << DDRCONF_ROW_SHIFT) | 0 << DDRCONF_COL_SHIFT),
+ ((2 << DDRCONF_ROW_SHIFT) | 0 << DDRCONF_COL_SHIFT),
+ ((3 << DDRCONF_ROW_SHIFT) | 0 << DDRCONF_COL_SHIFT),
0,
0,
0,