diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-03-27 21:20:56 -0400 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-03-27 21:20:56 -0400 |
commit | 30eebb54b13ef198a3f1a143ee9dd68f295c60de (patch) | |
tree | 64a489015c8f5def32820ac069534c6f7297ab70 /arch/microblaze/Kconfig | |
parent | 9e4db1c3eed55c22328d8022c2c80adb3093833f (diff) | |
parent | e02db0aa3e1976ae4e23a66077d252a2f3ba74c7 (diff) |
Merge branch 'next' of git://git.monstr.eu/linux-2.6-microblaze
Pull arch/microblaze fixes from Michal Simek
* 'next' of git://git.monstr.eu/linux-2.6-microblaze:
microblaze: Handle TLB skip size dynamically
microblaze: Introduce TLB skip size
microblaze: Improve TLB calculation for small systems
microblaze: Extend space for compiled-in FDT to 32kB
microblaze: Clear all MSR flags on the first kernel instruction
microblaze: Use node name instead of compatible string
microblaze: Fix mapin_ram function
microblaze: Highmem support
microblaze: Use active regions
microblaze: Show more detailed information about memory
microblaze: Introduce fixmap
microblaze: mm: Fix lowmem max memory size limits
microblaze: mm: Use ZONE_DMA instead of ZONE_NORMAL
microblaze: trivial: Fix typo fault in timer.c
microblaze: Use vsprintf extention %pf with builtin_return_address
microblaze: Add PVR version string for MB 8.20.b and 8.30.a
microblaze: Fix makefile to work with latest toolchain
microblaze: Fix typo in early_printk.c
Diffstat (limited to 'arch/microblaze/Kconfig')
-rw-r--r-- | arch/microblaze/Kconfig | 33 |
1 files changed, 21 insertions, 12 deletions
diff --git a/arch/microblaze/Kconfig b/arch/microblaze/Kconfig index 11060fa87da3..ac22dc7f4cab 100644 --- a/arch/microblaze/Kconfig +++ b/arch/microblaze/Kconfig | |||
@@ -1,6 +1,7 @@ | |||
1 | config MICROBLAZE | 1 | config MICROBLAZE |
2 | def_bool y | 2 | def_bool y |
3 | select HAVE_MEMBLOCK | 3 | select HAVE_MEMBLOCK |
4 | select HAVE_MEMBLOCK_NODE_MAP | ||
4 | select HAVE_FUNCTION_TRACER | 5 | select HAVE_FUNCTION_TRACER |
5 | select HAVE_FUNCTION_TRACE_MCOUNT_TEST | 6 | select HAVE_FUNCTION_TRACE_MCOUNT_TEST |
6 | select HAVE_FUNCTION_GRAPH_TRACER | 7 | select HAVE_FUNCTION_GRAPH_TRACER |
@@ -28,6 +29,12 @@ config SWAP | |||
28 | config RWSEM_GENERIC_SPINLOCK | 29 | config RWSEM_GENERIC_SPINLOCK |
29 | def_bool y | 30 | def_bool y |
30 | 31 | ||
32 | config ZONE_DMA | ||
33 | def_bool y | ||
34 | |||
35 | config ARCH_POPULATES_NODE_MAP | ||
36 | def_bool y | ||
37 | |||
31 | config RWSEM_XCHGADD_ALGORITHM | 38 | config RWSEM_XCHGADD_ALGORITHM |
32 | bool | 39 | bool |
33 | 40 | ||
@@ -153,20 +160,18 @@ config XILINX_UNCACHED_SHADOW | |||
153 | The feature requires the design to define the RAM memory controller | 160 | The feature requires the design to define the RAM memory controller |
154 | window to be twice as large as the actual physical memory. | 161 | window to be twice as large as the actual physical memory. |
155 | 162 | ||
156 | config HIGHMEM_START_BOOL | 163 | config HIGHMEM |
157 | bool "Set high memory pool address" | 164 | bool "High memory support" |
158 | depends on ADVANCED_OPTIONS && HIGHMEM | 165 | depends on MMU |
159 | help | 166 | help |
160 | This option allows you to set the base address of the kernel virtual | 167 | The address space of Microblaze processors is only 4 Gigabytes large |
161 | area used to map high memory pages. This can be useful in | 168 | and it has to accommodate user address space, kernel address |
162 | optimizing the layout of kernel virtual memory. | 169 | space as well as some memory mapped IO. That means that, if you |
170 | have a large amount of physical memory and/or IO, not all of the | ||
171 | memory can be "permanently mapped" by the kernel. The physical | ||
172 | memory that is not permanently mapped is called "high memory". | ||
163 | 173 | ||
164 | Say N here unless you know what you are doing. | 174 | If unsure, say n. |
165 | |||
166 | config HIGHMEM_START | ||
167 | hex "Virtual start address of high memory pool" if HIGHMEM_START_BOOL | ||
168 | depends on MMU | ||
169 | default "0xfe000000" | ||
170 | 175 | ||
171 | config LOWMEM_SIZE_BOOL | 176 | config LOWMEM_SIZE_BOOL |
172 | bool "Set maximum low memory" | 177 | bool "Set maximum low memory" |
@@ -255,6 +260,10 @@ config MICROBLAZE_32K_PAGES | |||
255 | 260 | ||
256 | endchoice | 261 | endchoice |
257 | 262 | ||
263 | config KERNEL_PAD | ||
264 | hex "Kernel PAD for unpacking" if ADVANCED_OPTIONS | ||
265 | default "0x80000" if MMU | ||
266 | |||
258 | endmenu | 267 | endmenu |
259 | 268 | ||
260 | source "mm/Kconfig" | 269 | source "mm/Kconfig" |