rockchip: rk3036: change ddr frequency to 400M
authorLin Huang <hl@rock-chips.com>
Wed, 17 Feb 2016 07:55:05 +0000 (15:55 +0800)
committerSimon Glass <sjg@chromium.org>
Thu, 10 Mar 2016 15:32:01 +0000 (08:32 -0700)
emac may use dpll as clock parent, and it request the clock frequency
multiples of 50, so change ddr frequency to 400M.

Signed-off-by: Lin Huang <hl@rock-chips.com>
Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
Acked-by: Simon Glass <sjg@chromium.org>
arch/arm/mach-rockchip/rk3036/sdram_rk3036.c

index e3ca8700742da9dcff7d22b976ed7d68a219b2ee..ec8305cff82c5048f8456fb52c8a351e490e7ce4 100644 (file)
@@ -37,7 +37,7 @@ struct rk3036_sdram_priv {
 /* use integer mode, 396MHz dpll setting
  * refdiv, fbdiv, postdiv1, postdiv2
  */
-const struct pll_div dpll_init_cfg = {1, 66, 4, 1};
+const struct pll_div dpll_init_cfg = {1, 50, 3, 1};
 
 /* 396Mhz ddr timing */
 const struct rk3036_ddr_timing ddr_timing = {0x18c,