choice prompt "Method to determine DDR clock frequency" default STATIC_DDR_CLK_FREQ depends on ARCH_P1010 || ARCH_P1020 || ARCH_P2020 || ARCH_T1024 \ || ARCH_T1042 || ARCH_T2080 || ARCH_T4240 || ARCH_LS1021A \ || FSL_LSCH2 || FSL_LSCH3 || TARGET_KMCENT2 help The DDR clock frequency can either be defined statically now at build time, or can be determined at run-time via the get_board_ddr_clk function. config DYNAMIC_DDR_CLK_FREQ bool "Run-time DDR clock frequency" config STATIC_DDR_CLK_FREQ bool "Build-time static DDR clock frequency" endchoice config DDR_CLK_FREQ int "DDR clock frequency in Hz" depends on STATIC_DDR_CLK_FREQ default 100000000 help The DDR clock frequency, specified in Hz. config DDR_SPD bool "JEDEC Serial Presence Detect (SPD) support" help For memory controllers that can utilize it, add enable support for using the JEDEC SDP standard. config SYS_SPD_BUS_NUM int "I2C bus number for DDR SPD" depends on DDR_SPD || SYS_I2C_LEGACY || SPL_SYS_I2C_LEGACY default 0 source "drivers/ddr/altera/Kconfig" source "drivers/ddr/imx/Kconfig" config SPD_EEPROM bool "DDR controller makes use of an SPD EEPROM for JEDEC information" depends on SYS_FSL_DDR || SYS_FSL_MMDC || CONFIG_ARMADA_XP help Get DDR timing information from an I2C EEPROM. Common with pluggable memory modules such as SODIMMs. You must define SPD_EEPROM_ADDRESS to the I2C address of the SPD EEPROM.