package/boot/uboot-sunxi/patches/003-fix-h3-dramclk.patch

   1 From 0892c1d5371263e2a02c6fd484fa9647439a7ec9 Mon Sep 17 00:00:00 2001
   2 From: Hans de Goede <hdegoede@redhat.com>
   3 Date: Wed, 23 Dec 2015 11:48:40 +0100
   4 Subject: [PATCH] sunxi: Remove Orangepi PC RAM speed to 624 MHz
   5
   6 There are some reports of stability issues at 672 MHz, see:
   7 http://linux-sunxi.org/Orange_Pi_PC#DRAM_clock_speed_limit
   8
   9 So reduce the DRAM speed to 624MHz which seems to be reliable everywhere.
  10
  11 Signed-off-by: Hans de Goede <hdegoede@redhat.com>
  12 ---
  13  configs/orangepi_pc_defconfig | 2 +-
  14  1 file changed, 1 insertion(+), 1 deletion(-)
  15
  16 diff --git a/configs/orangepi_pc_defconfig b/configs/orangepi_pc_defconfig
  17 index 75afca9..358caa5 100644
  18 --- a/configs/orangepi_pc_defconfig
  19 +++ b/configs/orangepi_pc_defconfig
  20 @@ -1,7 +1,7 @@
  21  CONFIG_ARM=y
  22  CONFIG_ARCH_SUNXI=y
  23  CONFIG_MACH_SUN8I_H3=y
  24 -CONFIG_DRAM_CLK=672
  25 +CONFIG_DRAM_CLK=624
  26  CONFIG_DRAM_ZQ=3881979
  27  CONFIG_DRAM_ODT_EN=y
  28  # CONFIG_VIDEO is not set