lkml.org 
[lkml]   [2009]   [May]   [27]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 28/29] microblaze_mmu_v2: Kconfig update
Date
Signed-off-by: Michal Simek <monstr@monstr.eu>
---
arch/microblaze/Kconfig | 112 +++++++++++++++++++++++++++++++++++++++++++++-
1 files changed, 109 insertions(+), 3 deletions(-)
diff --git a/arch/microblaze/Kconfig b/arch/microblaze/Kconfig
index f8e0722..b50b845 100644
--- a/arch/microblaze/Kconfig
+++ b/arch/microblaze/Kconfig
@@ -54,11 +54,9 @@ config GENERIC_GPIO
def_bool y

config PCI
- depends on !MMU
def_bool n

config NO_DMA
- depends on !MMU
def_bool y

source "init/Kconfig"
@@ -76,7 +74,8 @@ source "kernel/Kconfig.preempt"
source "kernel/Kconfig.hz"

config MMU
- def_bool n
+ bool "MMU support"
+ default n

config NO_MMU
bool
@@ -119,6 +118,113 @@ config PROC_DEVICETREE

endmenu

+menu "Advanced setup"
+
+config ADVANCED_OPTIONS
+ bool "Prompt for advanced kernel configuration options"
+ depends on MMU
+ help
+ This option will enable prompting for a variety of advanced kernel
+ configuration options. These options can cause the kernel to not
+ work if they are set incorrectly, but can be used to optimize certain
+ aspects of kernel memory management.
+
+ Unless you know what you are doing, say N here.
+
+comment "Default settings for advanced configuration options are used"
+ depends on !ADVANCED_OPTIONS
+
+config HIGHMEM_START_BOOL
+ bool "Set high memory pool address"
+ depends on ADVANCED_OPTIONS && HIGHMEM
+ help
+ This option allows you to set the base address of the kernel virtual
+ area used to map high memory pages. This can be useful in
+ optimizing the layout of kernel virtual memory.
+
+ Say N here unless you know what you are doing.
+
+config HIGHMEM_START
+ hex "Virtual start address of high memory pool" if HIGHMEM_START_BOOL
+ depends on MMU
+ default "0xfe000000"
+
+config LOWMEM_SIZE_BOOL
+ bool "Set maximum low memory"
+ depends on ADVANCED_OPTIONS
+ help
+ This option allows you to set the maximum amount of memory which
+ will be used as "low memory", that is, memory which the kernel can
+ access directly, without having to set up a kernel virtual mapping.
+ This can be useful in optimizing the layout of kernel virtual
+ memory.
+
+ Say N here unless you know what you are doing.
+
+config LOWMEM_SIZE
+ hex "Maximum low memory size (in bytes)" if LOWMEM_SIZE_BOOL
+ depends on MMU
+ default "0x30000000"
+
+config KERNEL_START_BOOL
+ bool "Set custom kernel base address"
+ depends on ADVANCED_OPTIONS
+ help
+ This option allows you to set the kernel virtual address at which
+ the kernel will map low memory (the kernel image will be linked at
+ this address). This can be useful in optimizing the virtual memory
+ layout of the system.
+
+ Say N here unless you know what you are doing.
+
+config KERNEL_START
+ hex "Virtual address of kernel base" if KERNEL_START_BOOL
+ default "0xc0000000" if MMU
+ default KERNEL_BASE_ADDR if !MMU
+
+config TASK_SIZE_BOOL
+ bool "Set custom user task size"
+ depends on ADVANCED_OPTIONS
+ help
+ This option allows you to set the amount of virtual address space
+ allocated to user tasks. This can be useful in optimizing the
+ virtual memory layout of the system.
+
+ Say N here unless you know what you are doing.
+
+config TASK_SIZE
+ hex "Size of user task space" if TASK_SIZE_BOOL
+ depends on MMU
+ default "0x80000000"
+
+config CONSISTENT_START_BOOL
+ bool "Set custom consistent memory pool address"
+ depends on ADVANCED_OPTIONS && NOT_COHERENT_CACHE
+ help
+ This option allows you to set the base virtual address
+ of the the consistent memory pool. This pool of virtual
+ memory is used to make consistent memory allocations.
+
+config CONSISTENT_START
+ hex "Base virtual address of consistent memory pool" if CONSISTENT_START_BOOL
+ depends on MMU
+ default "0xff100000" if NOT_COHERENT_CACHE
+
+config CONSISTENT_SIZE_BOOL
+ bool "Set custom consistent memory pool size"
+ depends on ADVANCED_OPTIONS && NOT_COHERENT_CACHE
+ help
+ This option allows you to set the size of the the
+ consistent memory pool. This pool of virtual memory
+ is used to make consistent memory allocations.
+
+config CONSISTENT_SIZE
+ hex "Size of consistent memory pool" if CONSISTENT_SIZE_BOOL
+ depends on MMU
+ default "0x00200000" if NOT_COHERENT_CACHE
+
+endmenu
+
source "mm/Kconfig"

menu "Exectuable file formats"
--
1.5.5.1


\
 
 \ /
  Last update: 2009-05-27 09:55    [from the cache]
©2003-2011 Jasper Spaans