| Patrick Delaunay | 939d536 | 2018-03-12 10:46:11 +0100 | [diff] [blame] | 1 | |
| 2 | config STM32MP1_DDR |
| 3 | bool "STM32MP1 DDR driver" |
| 4 | depends on DM && OF_CONTROL && ARCH_STM32MP |
| 5 | select RAM |
| 6 | select SPL_RAM if SPL |
| 7 | default y |
| 8 | help |
| 9 | activate STM32MP1 DDR controller driver for STM32MP1 soc |
| 10 | family: support for LPDDR2, LPDDR3 and DDR3 |
| 11 | the SDRAM parameters for controleur and phy need to be provided |
| 12 | in device tree (computed by DDR tuning tools) |
| Patrick Delaunay | bbee270 | 2019-04-10 14:09:27 +0200 | [diff] [blame] | 13 | |
| 14 | config STM32MP1_DDR_INTERACTIVE |
| 15 | bool "STM32MP1 DDR driver : interactive support" |
| 16 | depends on STM32MP1_DDR |
| 17 | help |
| 18 | activate interactive support in STM32MP1 DDR controller driver |
| 19 | used for DDR tuning tools |
| 20 | to enter in intercative mode type 'd' during SPL DDR driver |
| 21 | initialisation |
| 22 | |
| 23 | config STM32MP1_DDR_INTERACTIVE_FORCE |
| 24 | bool "STM32MP1 DDR driver : force interactive mode" |
| 25 | depends on STM32MP1_DDR_INTERACTIVE |
| Patrick Delaunay | bbee270 | 2019-04-10 14:09:27 +0200 | [diff] [blame] | 26 | help |
| 27 | force interactive mode in STM32MP1 DDR controller driver |
| 28 | skip the polling of character 'd' in console |
| 29 | useful when SPL is loaded in sysram |
| 30 | directly by programmer |
| Patrick Delaunay | 2b1c818 | 2019-04-10 14:09:28 +0200 | [diff] [blame] | 31 | |
| 32 | config STM32MP1_DDR_TESTS |
| 33 | bool "STM32MP1 DDR driver : tests support" |
| 34 | depends on STM32MP1_DDR_INTERACTIVE |
| 35 | default y |
| 36 | help |
| 37 | activate test support for interactive support in |
| 38 | STM32MP1 DDR controller driver: command test |
| Patrick Delaunay | 2f91e61 | 2019-04-10 14:09:29 +0200 | [diff] [blame] | 39 | |
| 40 | config STM32MP1_DDR_TUNING |
| 41 | bool "STM32MP1 DDR driver : support of tuning" |
| 42 | depends on STM32MP1_DDR_INTERACTIVE |
| 43 | default y |
| 44 | help |
| 45 | activate tuning command in STM32MP1 DDR interactive mode |
| 46 | used for DDR tuning tools |
| 47 | - DQ Deskew algorithm |
| 48 | - DQS Trimming |