diff options
Diffstat (limited to 'drivers/ram/aspeed/Kconfig')
| -rw-r--r-- | drivers/ram/aspeed/Kconfig | 91 |
1 files changed, 51 insertions, 40 deletions
diff --git a/drivers/ram/aspeed/Kconfig b/drivers/ram/aspeed/Kconfig index 576d5af..0deab86 100644 --- a/drivers/ram/aspeed/Kconfig +++ b/drivers/ram/aspeed/Kconfig @@ -1,66 +1,77 @@ -if RAM || SPL_RAM +menuconfig ASPEED_RAM + bool "ASPEED SDRAM configuration" + depends on RAM && ARCH_ASPEED + default ARCH_ASPEED + help + Configuration options for DDR SDRAM on ASPEED systems. + + RAM initialisation is always built in for the platform. This menu + allows customisation of the configuration used. + +if ASPEED_RAM config ASPEED_DDR4_DUALX8 bool "Enable Dual X8 DDR4 die" - depends on DM && OF_CONTROL && ARCH_ASPEED + depends on ASPEED_RAM + help + Say Y if dual X8 DDR4 die is used on the board. The ASPEED DDRM + SRAM controller needs to know if the memory chip mounted on the + board is dual x8 die or not, otherwise it may get the wrong + size of the memory space. + +config ASPEED_BYPASS_SELFTEST + depends on ASPEED_RAM + depends on ASPEED_AST2600 + bool "Bypass self test during initialization" + help + Say Y here to bypass DRAM self test to speed up the boot time. + +config ASPEED_ECC + bool "ASPEED SDRAM ECC" + depends on ASPEED_RAM + depends on ASPEED_AST2600 help - Say Y if dual X8 DDR4 die is used on the board. The aspeed ddr sdram - controller needs to know if the memory chip mounted on the board is dual - x8 die or not. Or it may get the wrong size of the memory space. + Enable SDRAM ECC function. This configures the SDRAM controller to + perform error detection and correction, sacrificing 1/9th of the + installed RAM to do so. -if ASPEED_AST2600 + +config ASPEED_ECC_SIZE + int "ECC size: 0=driver auto-caluated" + depends on ASPEED_ECC + default 0 + help + SDRAM size with the error correcting code enabled. The unit is + in Megabytes. Noted that only the 8/9 of the configured size + can be used by the system. The remaining 1/9 will be used by + the ECC engine. If the size is set to 0, the sdram driver will + calculate the SDRAM size and set the whole range be ECC enabled. choice - prompt "DDR4 target date rate" + prompt "AST2600 DDR4 target date rate" default ASPEED_DDR4_1600 + depends on ASPEED_RAM + depends on ASPEED_AST2600 config ASPEED_DDR4_400 - bool "DDR4 targets at 400Mbps" - depends on DM && OF_CONTROL && ARCH_ASPEED + bool "400Mbps" help select DDR4 target data rate at 400M config ASPEED_DDR4_800 - bool "DDR4 targets at 800Mbps" - depends on DM && OF_CONTROL && ARCH_ASPEED + bool "800Mbps" help select DDR4 target data rate at 800M config ASPEED_DDR4_1333 - bool "DDR4 targets at 1333Mbps" - depends on DM && OF_CONTROL && ARCH_ASPEED + bool "1333Mbps" help select DDR4 target data rate at 1333M config ASPEED_DDR4_1600 - bool "DDR4 targets at 1600Mbps" - depends on DM && OF_CONTROL && ARCH_ASPEED + bool "1600Mbps" help select DDR4 target data rate at 1600M endchoice -config ASPEED_BYPASS_SELFTEST - bool "bypass self test during DRAM initialization" - help - Say Y here to bypass DRAM self test to speed up the boot time - -config ASPEED_ECC - bool "aspeed SDRAM error correcting code" - depends on DM && OF_CONTROL && ARCH_ASPEED - help - enable SDRAM ECC function - -if ASPEED_ECC -config ASPEED_ECC_SIZE - int "ECC size: 0=driver auto-caluated" - depends on ASPEED_ECC - default 0 - help - SDRAM size with the error correcting code enabled. The unit is - in Megabytes. Noted that only the 8/9 of the configured size - can be used by the system. The remaining 1/9 will be used by - the ECC engine. If the size is set to 0, the sdram driver will - calculate the SDRAM size and set the whole range be ECC enabled. -endif # end of ASPEED_ECC -endif # end of ASPEED_AST2600 -endif # end of RAM || SPL_RAM +endif # End of ASPEED_RAM |