| # SPDX-License_Identifier: GPL-2.0 |
| |
| menu "Enable LiteX SoC Builder specific drivers" |
| |
| config LITEX |
| bool |
| |
| config LITEX_SOC_CONTROLLER |
| tristate "Enable LiteX SoC Controller driver" |
| depends on OF || COMPILE_TEST |
| depends on HAS_IOMEM |
| select LITEX |
| help |
| This option enables the SoC Controller Driver which verifies |
| LiteX CSR access and provides common litex_[read|write]* |
| accessors. |
| All drivers that use functions from litex.h must depend on |
| LITEX. |
| |
| config LITEX_SUBREG_SIZE |
| int "Size of a LiteX CSR subregister, in bytes" |
| depends on LITEX |
| range 1 4 |
| default 4 |
| help |
| LiteX MMIO registers (referred to as Configuration and Status |
| registers, or CSRs) are spread across adjacent 8- or 32-bit |
| subregisters, located at 32-bit aligned MMIO addresses. Use |
| this to select the appropriate size (1 or 4 bytes) matching |
| your particular LiteX build. |
| |
| endmenu |
