commit aec83261b98eec3a2ca2e9a5a2debea31fcd9d65
author Marek Behún <kabel@kernel.org> Tue Jun 18 17:34:39 2024 +0200
committer Stefan Roese <sr@denx.de> Mon Jul 08 08:20:58 2024 +0200
tree bee21650840e4d39a19ec362597d104e5932d479
parent aff4ea11d18d71fd5c87b5503e99284cc2927502

arm: mvebu: turris_omnia: Support old DDR3 training

Support old DDR3 training code on Turris Omnia, selectable via EEPROM
field.

Users experiencing DDR3 initialization failures or random crashes of the
operating system due to incorrect DDR3 configuration can select the old
DDR3 training implementation to fix those issues by setting the EEPROM
field "Use old DDR training":
  eeprom update "Use old DDR training" 1

Signed-off-by: Marek Behún <kabel@kernel.org>

arch/arm/mach-mvebu/Kconfig

diff --git a/arch/arm/mach-mvebu/Kconfig b/arch/arm/mach-mvebu/Kconfig
index e377e8a..4a83287 100644
--- a/arch/arm/mach-mvebu/Kconfig
+++ b/arch/arm/mach-mvebu/Kconfig
@@ -149,6 +149,7 @@
 	select SPL_SYS_MALLOC_SIMPLE
 	select SYS_I2C_MVTWSI
 	select ATSHA204A
+	select ARMADA_38X_SUPPORT_OLD_DDR3_TRAINING
 
 config TARGET_TURRIS_MOX
 	bool "Support CZ.NIC's Turris Mox / RIPE Atlas Probe"