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Diffstat (limited to 'arch/xtensa/Kconfig')
-rw-r--r--arch/xtensa/Kconfig50
1 files changed, 36 insertions, 14 deletions
diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig
index 697fb28104ca..e31d4949124a 100644
--- a/arch/xtensa/Kconfig
+++ b/arch/xtensa/Kconfig
@@ -98,12 +98,6 @@ config XTENSA_VARIANT_DC233C
help
This variant refers to Tensilica's Diamond 233L Standard core Rev.C (LE).
-config XTENSA_VARIANT_S6000
- bool "s6000 - Stretch software configurable processor"
- select VARIANT_IRQ_SWITCH
- select ARCH_REQUIRE_GPIOLIB
- select XTENSA_CALIBRATE_CCOUNT
-
config XTENSA_VARIANT_CUSTOM
bool "Custom Xtensa processor configuration"
select MAY_HAVE_SMP
@@ -126,7 +120,6 @@ config XTENSA_VARIANT_NAME
default "dc232b" if XTENSA_VARIANT_DC232B
default "dc233c" if XTENSA_VARIANT_DC233C
default "fsf" if XTENSA_VARIANT_FSF
- default "s6000" if XTENSA_VARIANT_S6000
default XTENSA_VARIANT_CUSTOM_NAME if XTENSA_VARIANT_CUSTOM
config XTENSA_VARIANT_MMU
@@ -191,7 +184,6 @@ config HOTPLUG_CPU
config INITIALIZE_XTENSA_MMU_INSIDE_VMLINUX
bool "Initialize Xtensa MMU inside the Linux kernel code"
- depends on MMU
default y
help
Earlier version initialized the MMU in the exception vector
@@ -311,15 +303,10 @@ config XTENSA_PLATFORM_XT2000
XT2000 is the name of Tensilica's feature-rich emulation platform.
This hardware is capable of running a full Linux distribution.
-config XTENSA_PLATFORM_S6105
- bool "S6105"
- select HAVE_IDE
- select SERIAL_CONSOLE
- select NO_IOPORT_MAP
-
config XTENSA_PLATFORM_XTFPGA
bool "XTFPGA"
select ETHOC if ETHERNET
+ select PLATFORM_WANT_DEFAULT_MEM
select SERIAL_CONSOLE
select XTENSA_CALIBRATE_CCOUNT
help
@@ -406,6 +393,41 @@ source "drivers/pcmcia/Kconfig"
source "drivers/pci/hotplug/Kconfig"
+config PLATFORM_WANT_DEFAULT_MEM
+ def_bool n
+
+config DEFAULT_MEM_START
+ hex "Physical address of the default memory area start"
+ depends on PLATFORM_WANT_DEFAULT_MEM
+ default 0x00000000 if MMU
+ default 0x40000000 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.
+
+ In noMMU configuration the following parameters are derived from it:
+ - kernel load address;
+ - kernel entry point address;
+ - relocatable vectors base address;
+ - uBoot load address;
+ - TASK_SIZE.
+
+ If unsure, leave the default value here.
+
+config DEFAULT_MEM_SIZE
+ hex "Maximal size of the default memory area"
+ 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.
+
+ If unsure, leave the default value here.
+
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