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-rw-r--r--arch/microblaze/Kconfig51
1 files changed, 33 insertions, 18 deletions
diff --git a/arch/microblaze/Kconfig b/arch/microblaze/Kconfig
index 505a08592423..692fdfce2a23 100644
--- a/arch/microblaze/Kconfig
+++ b/arch/microblaze/Kconfig
@@ -14,9 +14,12 @@ config MICROBLAZE
select USB_ARCH_HAS_EHCI
select ARCH_WANT_OPTIONAL_GPIOLIB
select HAVE_OPROFILE
+ select HAVE_ARCH_KGDB
select HAVE_DMA_ATTRS
select HAVE_DMA_API_DEBUG
select TRACING_SUPPORT
+ select OF
+ select OF_FLATTREE
config SWAP
def_bool n
@@ -48,9 +51,6 @@ config GENERIC_IRQ_PROBE
config GENERIC_CALIBRATE_DELAY
def_bool y
-config GENERIC_TIME
- def_bool y
-
config GENERIC_TIME_VSYSCALL
def_bool n
@@ -75,9 +75,6 @@ config LOCKDEP_SUPPORT
config HAVE_LATENCYTOP_SUPPORT
def_bool y
-config DTC
- def_bool y
-
source "init/Kconfig"
source "kernel/Kconfig.freezer"
@@ -124,18 +121,6 @@ config CMDLINE_FORCE
Set this to have arguments from the default kernel command string
override those passed by the boot loader.
-config OF
- def_bool y
- select OF_FLATTREE
-
-config PROC_DEVICETREE
- bool "Support for device tree in /proc"
- depends on PROC_FS
- help
- This option adds a device-tree directory under /proc which contains
- an image of the device tree that the kernel copies from Open
- Firmware or other boot firmware. If unsure, say Y here.
-
endmenu
menu "Advanced setup"
@@ -223,6 +208,36 @@ config TASK_SIZE
hex "Size of user task space" if TASK_SIZE_BOOL
default "0x80000000"
+choice
+ prompt "Page size"
+ default MICROBLAZE_4K_PAGES
+ depends on ADVANCED_OPTIONS && !MMU
+ help
+ Select the kernel logical page size. Increasing the page size
+ will reduce software overhead at each page boundary, allow
+ hardware prefetch mechanisms to be more effective, and allow
+ larger dma transfers increasing IO efficiency and reducing
+ overhead. However the utilization of memory will increase.
+ For example, each cached file will using a multiple of the
+ page size to hold its contents and the difference between the
+ end of file and the end of page is wasted.
+
+ If unsure, choose 4K_PAGES.
+
+config MICROBLAZE_4K_PAGES
+ bool "4k page size"
+
+config MICROBLAZE_8K_PAGES
+ bool "8k page size"
+
+config MICROBLAZE_16K_PAGES
+ bool "16k page size"
+
+config MICROBLAZE_32K_PAGES
+ bool "32k page size"
+
+endchoice
+
endmenu
source "mm/Kconfig"