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https://github.com/AsahiLinux/u-boot
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187c41d783
Add command tuning for DDR interactive mode, used during board bring-up or with CubeMX DDR tools to execute software tuning for the DDR configuration: - software read DQS Gating (replace the built-in one) - Bit de-skew - Eye Training or DQS training Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
49 lines
1.4 KiB
Text
49 lines
1.4 KiB
Text
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config STM32MP1_DDR
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bool "STM32MP1 DDR driver"
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depends on DM && OF_CONTROL && ARCH_STM32MP
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select RAM
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select SPL_RAM if SPL
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default y
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help
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activate STM32MP1 DDR controller driver for STM32MP1 soc
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family: support for LPDDR2, LPDDR3 and DDR3
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the SDRAM parameters for controleur and phy need to be provided
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in device tree (computed by DDR tuning tools)
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config STM32MP1_DDR_INTERACTIVE
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bool "STM32MP1 DDR driver : interactive support"
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depends on STM32MP1_DDR
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help
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activate interactive support in STM32MP1 DDR controller driver
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used for DDR tuning tools
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to enter in intercative mode type 'd' during SPL DDR driver
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initialisation
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config STM32MP1_DDR_INTERACTIVE_FORCE
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bool "STM32MP1 DDR driver : force interactive mode"
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depends on STM32MP1_DDR_INTERACTIVE
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default n
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help
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force interactive mode in STM32MP1 DDR controller driver
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skip the polling of character 'd' in console
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useful when SPL is loaded in sysram
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directly by programmer
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config STM32MP1_DDR_TESTS
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bool "STM32MP1 DDR driver : tests support"
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depends on STM32MP1_DDR_INTERACTIVE
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default y
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help
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activate test support for interactive support in
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STM32MP1 DDR controller driver: command test
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config STM32MP1_DDR_TUNING
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bool "STM32MP1 DDR driver : support of tuning"
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depends on STM32MP1_DDR_INTERACTIVE
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default y
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help
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activate tuning command in STM32MP1 DDR interactive mode
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used for DDR tuning tools
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- DQ Deskew algorithm
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- DQS Trimming
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