ram: Support driver model in VPL

Some boards want to use RAM in VPL so add an option for that.

Signed-off-by: Simon Glass <sjg@chromium.org>

diff --git a/drivers/ram/Kconfig b/drivers/ram/Kconfig
index a64d2dff68db5f833ac1aa9862272a8dc543bcbc..f7e357f24da73e727ce08a8790657c14269308b9 100644 (file)
--- a/drivers/ram/Kconfig
+++ b/drivers/ram/Kconfig
@@ -26,6 +26,15 @@ config TPL_RAM
          TPL, enable this option. It might provide a cleaner interface to
          setting up RAM (e.g. SDRAM / DDR) within TPL.
 
+config VPL_RAM
+       bool "Enable RAM support in VPL"
+       depends on RAM && VPL
+       help
+         The RAM subsystem adds a small amount of overhead to the image.
+         If this is acceptable and you have a need to use RAM drivers in
+         VPL, enable this option. It might provide a cleaner interface to
+         setting up RAM (e.g. SDRAM / DDR) within VPL.
+
 config STM32_SDRAM
        bool "Enable STM32 SDRAM support"
        depends on RAM