# # Misc strange devices # menu "Misc devices" config JTAG tristate "JTAG Bitbang driver" depends on GENERIC_GPIO help Controls JTAG chains connected to I/O pins config SRAM bool "Generic SRAM driver" help This driver adds support for memory mapped SRAM. config STATE_DRV tristate "state driver" depends on OFDEVICE depends on STATE config DEV_MEM bool "Generic memory I/O device (/dev/mem)" config UBOOTVAR bool "U-Boot environment storage" help This driver exposes U-Boot environment variable storage as a single mmap-able device, hiding various low-level details such as: - Preamble format differences - Read/write logic in presence of redundant partition While it can be used standalone, it is best when coupled with corresponding filesystem driver. endmenu