Up to now mtd-ram devices described in device trees were only accessible
if mtd-flash or mtd-rom were also configured at linux configuration
time, because MTD_PHYSMAP_OF was only available if (MTD_CFI ||
MTD_JEDECPROBE || MTD_ROM). Allow MTD_PHYSMAP_OF selection also
when only MTD_RAM is set.
Signed-off-by: Philippe De Muyter <phdm@macqel.be>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
used internally by the CFI drivers.
config MTD_PHYSMAP_OF
- tristate "Flash device in physical memory map based on OF description"
- depends on OF && (MTD_CFI || MTD_JEDECPROBE || MTD_ROM)
+ tristate "Memory device in physical memory map based on OF description"
+ depends on OF && (MTD_CFI || MTD_JEDECPROBE || MTD_ROM || MTD_RAM)
help
- This provides a 'mapping' driver which allows the NOR Flash and
- ROM driver code to communicate with chips which are mapped
+ This provides a 'mapping' driver which allows the NOR Flash, ROM
+ and RAM driver code to communicate with chips which are mapped
physically into the CPU's memory. The mapping description here is
taken from OF device tree.