package/boot/uboot-mvebu/patches/102-arm-mvebu-turris_omnia-Reset-the-board-immediately-o.patch

   1 From 930c46e86123aeea1c73ae55d70ff3dcfc077992 Mon Sep 17 00:00:00 2001
   2 From: =?UTF-8?q?Marek=20Beh=C3=BAn?= <marek.behun@nic.cz>
   3 Date: Thu, 17 Feb 2022 13:54:43 +0100
   4 Subject: [PATCH 3/3] arm: mvebu: turris_omnia: Reset the board immediately on
   5  DDR training failure
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   9
  10 The state of the current DDR training code for Armada 38x is such that
  11 we cannot be sure it will always train successfully - although after the
  12 last change we were yet unable to find a board that failed DDR training,
  13 from experience in the last 2 years we know that it is possible.
  14
  15 The experience also tells us that in many cases the board fails training
  16 only sometimes, and after a reset the training is successful.
  17
  18 Enable the new option that makes the board reset itself on DDR training
  19 failure immediately. Until now we called hang() in such a case, which
  20 meant that the board was reset by the MCU after 120 seconds.
  21
  22 Signed-off-by: Marek Behún <marek.behun@nic.cz>
  23 Reviewed-by: Stefan Roese <sr@denx.de>
  24 Reviewed-by: Pali Rohár <pali@kernel.org>
  25 ---
  26  configs/turris_omnia_defconfig | 1 +
  27  1 file changed, 1 insertion(+)
  28
  29 --- a/configs/turris_omnia_defconfig
  30 +++ b/configs/turris_omnia_defconfig
  31 @@ -11,6 +11,7 @@ CONFIG_NR_DRAM_BANKS=2
  32  CONFIG_SYS_MEMTEST_START=0x00800000
  33  CONFIG_SYS_MEMTEST_END=0x00ffffff
  34  CONFIG_TARGET_TURRIS_OMNIA=y
  35 +CONFIG_DDR_RESET_ON_TRAINING_FAILURE=y
  36  CONFIG_ENV_SIZE=0x10000
  37  CONFIG_ENV_OFFSET=0xF0000
  38  CONFIG_ENV_SECT_SIZE=0x10000