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# 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
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