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-rw-r--r--arch/xtensa/Kconfig18
1 files changed, 7 insertions, 11 deletions
diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig
index 9b1f8c3c8cba..7a4c77b39ce0 100644
--- a/arch/xtensa/Kconfig
+++ b/arch/xtensa/Kconfig
@@ -394,7 +394,7 @@ config XTENSA_PLATFORM_XT2000
config XTENSA_PLATFORM_XTFPGA
bool "XTFPGA"
select ETHOC if ETHERNET
- select PLATFORM_WANT_DEFAULT_MEM
+ select PLATFORM_WANT_DEFAULT_MEM if !MMU
select SERIAL_CONSOLE
select XTENSA_CALIBRATE_CCOUNT
help
@@ -502,11 +502,9 @@ config DEFAULT_MEM_START
default 0x00000000 if MMU
default 0x60000000 if !MMU
help
- This is a fallback start address of the default memory area, it is
- used when no physical memory size is passed through DTB or through
- boot parameter from bootloader.
-
- It's also used for TASK_SIZE calculation in noMMU configuration.
+ This is the base address of the default memory area.
+ Default memory area has platform-specific meaning, it may be used
+ for e.g. early cache initialization.
If unsure, leave the default value here.
@@ -515,11 +513,9 @@ config DEFAULT_MEM_SIZE
depends on PLATFORM_WANT_DEFAULT_MEM
default 0x04000000
help
- This is a fallback size of the default memory area, it is used when
- no physical memory size is passed through DTB or through boot
- parameter from bootloader.
-
- It's also used for TASK_SIZE calculation in noMMU configuration.
+ This is the size of the default memory area.
+ Default memory area has platform-specific meaning, it may be used
+ for e.g. early cache initialization.
If unsure, leave the default value here.