korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-12-03 00:54:09 +08:00
Code Issues Packages Projects Releases Wiki Activity

[ARM] nommu: avoid selecting TLB and CPU specific copy code

Browse Source 
Since uclinux doesn't make use of the TLB, including the TLB
maintainence and CPU-optimised copypage functions does not
make sense.  Remove them.

(This is part of one of Hyok's patches.)

Signed-off-by: Hyok S. Choi <hyok.choi@samsung.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Hyok S. Choi 2006-06-21 22:26:29 +01:00 committed by Russell King
parent 9641c7cc5a
commit f9c21a6ee7
1 changed files with 32 additions and 29 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

61
arch/arm/mm/Kconfig
View File

@ -15,8 +15,8 @@ config CPU_ARM610
select CPU_32v3
select CPU_CACHE_V3
select CPU_CACHE_VIVT
select CPU_COPY_V3
select CPU_TLB_V3
select CPU_COPY_V3 if MMU
select CPU_TLB_V3 if MMU
help
The ARM610 is the successor to the ARM3 processor
and was produced by VLSI Technology Inc.
@ -31,8 +31,8 @@ config CPU_ARM710
select CPU_32v3
select CPU_CACHE_V3
select CPU_CACHE_VIVT
select CPU_COPY_V3
select CPU_TLB_V3
select CPU_COPY_V3 if MMU
select CPU_TLB_V3 if MMU
help
A 32-bit RISC microprocessor based on the ARM7 processor core
designed by Advanced RISC Machines Ltd. The ARM710 is the
@ -50,8 +50,8 @@ config CPU_ARM720T
select CPU_ABRT_LV4T
select CPU_CACHE_V4
select CPU_CACHE_VIVT
select CPU_COPY_V4WT
select CPU_TLB_V4WT
select CPU_COPY_V4WT if MMU
select CPU_TLB_V4WT if MMU
help
A 32-bit RISC processor with 8kByte Cache, Write Buffer and
MMU built around an ARM7TDMI core.
@ -68,8 +68,8 @@ config CPU_ARM920T
select CPU_ABRT_EV4T
select CPU_CACHE_V4WT
select CPU_CACHE_VIVT
select CPU_COPY_V4WB
select CPU_TLB_V4WBI
select CPU_COPY_V4WB if MMU
select CPU_TLB_V4WBI if MMU
help
The ARM920T is licensed to be produced by numerous vendors,
and is used in the Maverick EP9312 and the Samsung S3C2410.
@ -89,8 +89,8 @@ config CPU_ARM922T
select CPU_ABRT_EV4T
select CPU_CACHE_V4WT
select CPU_CACHE_VIVT
select CPU_COPY_V4WB
select CPU_TLB_V4WBI
select CPU_COPY_V4WB if MMU
select CPU_TLB_V4WBI if MMU
help
The ARM922T is a version of the ARM920T, but with smaller
instruction and data caches. It is used in Altera's
@ -108,8 +108,8 @@ config CPU_ARM925T
select CPU_ABRT_EV4T
select CPU_CACHE_V4WT
select CPU_CACHE_VIVT
select CPU_COPY_V4WB
select CPU_TLB_V4WBI
select CPU_COPY_V4WB if MMU
select CPU_TLB_V4WBI if MMU
help
The ARM925T is a mix between the ARM920T and ARM926T, but with
different instruction and data caches. It is used in TI's OMAP
@ -126,8 +126,8 @@ config CPU_ARM926T
select CPU_32v5
select CPU_ABRT_EV5TJ
select CPU_CACHE_VIVT
select CPU_COPY_V4WB
select CPU_TLB_V4WBI
select CPU_COPY_V4WB if MMU
select CPU_TLB_V4WBI if MMU
help
This is a variant of the ARM920. It has slightly different
instruction sequences for cache and TLB operations. Curiously,
@ -144,8 +144,8 @@ config CPU_ARM1020
select CPU_ABRT_EV4T
select CPU_CACHE_V4WT
select CPU_CACHE_VIVT
select CPU_COPY_V4WB
select CPU_TLB_V4WBI
select CPU_COPY_V4WB if MMU
select CPU_TLB_V4WBI if MMU
help
The ARM1020 is the 32K cached version of the ARM10 processor,
with an addition of a floating-point unit.
@ -161,8 +161,8 @@ config CPU_ARM1020E
select CPU_ABRT_EV4T
select CPU_CACHE_V4WT
select CPU_CACHE_VIVT
select CPU_COPY_V4WB
select CPU_TLB_V4WBI
select CPU_COPY_V4WB if MMU
select CPU_TLB_V4WBI if MMU
depends on n
# ARM1022E
@ -172,8 +172,8 @@ config CPU_ARM1022
select CPU_32v5
select CPU_ABRT_EV4T
select CPU_CACHE_VIVT
select CPU_COPY_V4WB # can probably do better
select CPU_TLB_V4WBI
select CPU_COPY_V4WB if MMU # can probably do better
select CPU_TLB_V4WBI if MMU
help
The ARM1022E is an implementation of the ARMv5TE architecture
based upon the ARM10 integer core with a 16KiB L1 Harvard cache,
@ -189,8 +189,8 @@ config CPU_ARM1026
select CPU_32v5
select CPU_ABRT_EV5T # But need Jazelle, but EV5TJ ignores bit 10
select CPU_CACHE_VIVT
select CPU_COPY_V4WB # can probably do better
select CPU_TLB_V4WBI
select CPU_COPY_V4WB if MMU # can probably do better
select CPU_TLB_V4WBI if MMU
help
The ARM1026EJ-S is an implementation of the ARMv5TEJ architecture
based upon the ARM10 integer core.
@ -207,8 +207,8 @@ config CPU_SA110
select CPU_ABRT_EV4
select CPU_CACHE_V4WB
select CPU_CACHE_VIVT
select CPU_COPY_V4WB
select CPU_TLB_V4WB
select CPU_COPY_V4WB if MMU
select CPU_TLB_V4WB if MMU
help
The Intel StrongARM(R) SA-110 is a 32-bit microprocessor and
is available at five speeds ranging from 100 MHz to 233 MHz.
@ -227,7 +227,7 @@ config CPU_SA1100
select CPU_ABRT_EV4
select CPU_CACHE_V4WB
select CPU_CACHE_VIVT
select CPU_TLB_V4WB
select CPU_TLB_V4WB if MMU
# XScale
config CPU_XSCALE
@ -237,7 +237,7 @@ config CPU_XSCALE
select CPU_32v5
select CPU_ABRT_EV5T
select CPU_CACHE_VIVT
select CPU_TLB_V4WBI
select CPU_TLB_V4WBI if MMU
# XScale Core Version 3
config CPU_XSC3
@ -247,7 +247,7 @@ config CPU_XSC3
select CPU_32v5
select CPU_ABRT_EV5T
select CPU_CACHE_VIVT
select CPU_TLB_V4WBI
select CPU_TLB_V4WBI if MMU
select IO_36
# ARMv6
@ -258,8 +258,8 @@ config CPU_V6
select CPU_ABRT_EV6
select CPU_CACHE_V6
select CPU_CACHE_VIPT
select CPU_COPY_V6
select CPU_TLB_V6
select CPU_COPY_V6 if MMU
select CPU_TLB_V6 if MMU
# ARMv6k
config CPU_32v6K
@ -334,6 +334,7 @@ config CPU_CACHE_VIVT
config CPU_CACHE_VIPT
bool
if MMU
# The copy-page model
config CPU_COPY_V3
bool
@ -372,6 +373,8 @@ config CPU_TLB_V4WBI
config CPU_TLB_V6
bool
endif
#
# CPU supports 36-bit I/O
#