1# SPDX-License_Identifier: GPL-2.0 2 3menu "Enable LiteX SoC Builder specific drivers" 4 5config LITEX 6 bool 7 8config LITEX_SOC_CONTROLLER 9 tristate "Enable LiteX SoC Controller driver" 10 depends on OF || COMPILE_TEST 11 select LITEX 12 help 13 This option enables the SoC Controller Driver which verifies 14 LiteX CSR access and provides common litex_[read|write]* 15 accessors. 16 All drivers that use functions from litex.h must depend on 17 LITEX. 18 19config LITEX_SUBREG_SIZE 20 int "Size of a LiteX CSR subregister, in bytes" 21 depends on LITEX 22 range 1 4 23 default 4 24 help 25 LiteX MMIO registers (referred to as Configuration and Status 26 registers, or CSRs) are spread across adjacent 8- or 32-bit 27 subregisters, located at 32-bit aligned MMIO addresses. Use 28 this to select the appropriate size (1 or 4 bytes) matching 29 your particular LiteX build. 30 31endmenu 32