Kconfig: Introduce CONFIG_SYS_HAS_SRAM

In order to be able to replace "#ifdef CONFIG_SYS_SRAM_BASE" sequences
with the IS_ENABLED() equivalent, introduce a new boolean Kconfig option
that signals whether the platform has SRAM support.

Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Ovidiu Panait <ovidiu.panait@windriver.com>

diff --git a/Kconfig b/Kconfig
index 1c408b6bec4fdb484bc0adc7e1cbb7ba8ef89a43..54b3680b72c9f8326839df3007c93e78f442f3ab 100644 (file)
--- a/Kconfig
+++ b/Kconfig
@@ -379,6 +379,17 @@ config STACK_SIZE
          by the UEFI sub-system. On some boards initrd_high is calculated as
          base stack pointer minus this stack size.
 
+config SYS_HAS_SRAM
+       bool
+       default y if TARGET_PIC32MZDASK
+       default y if TARGET_DEVKIT8000
+       default y if TARGET_TRICORDER
+       default n
+       help
+         Enable this to allow support for the on board SRAM.
+         SRAM base address is controlled by CONFIG_SYS_SRAM_BASE.
+         SRAM size is controlled by CONFIG_SYS_SRAM_SIZE.
+
 endmenu                # General setup
 
 menu "Boot images"