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MIPS: Kconfig: Add Kconfig symbols for EVA support 

Add basic Kconfig support for EVA. Not selectable by any platform
at this point.

Signed-off-by: Leonid Yegoshin <Leonid.Yegoshin@imgtec.com>
Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
hifive-unleashed-5.1
Leonid Yegoshin 2013-12-03 10:22:26 +00:00 committed by Ralf Baechle
parent 8c7f6ba342
commit a6e18781c5
1 changed files with 27 additions and 1 deletions
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28
arch/mips/Kconfig
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@ -1455,6 +1455,26 @@ config CPU_XLP
Netlogic Microsystems XLP processors.
endchoice
config CPU_MIPS32_3_5_FEATURES
bool "MIPS32 Release 3.5 Features"
depends on SYS_HAS_CPU_MIPS32_R3_5
depends on CPU_MIPS32_R2
help
Choose this option to build a kernel for release 2 or later of the
MIPS32 architecture including features from the 3.5 release such as
support for Enhanced Virtual Addressing (EVA).
config CPU_MIPS32_3_5_EVA
bool "Enhanced Virtual Addressing (EVA)"
depends on CPU_MIPS32_3_5_FEATURES
select EVA
default y
help
Choose this option if you want to enable the Enhanced Virtual
Addressing (EVA) on your MIPS32 core (such as proAptiv).
One of its primary benefits is an increase in the maximum size
of lowmem (up to 3GB). If unsure, say 'N' here.
if CPU_LOONGSON2F
config CPU_NOP_WORKAROUNDS
bool
@ -1548,6 +1568,9 @@ config SYS_HAS_CPU_MIPS32_R1
config SYS_HAS_CPU_MIPS32_R2
bool
config SYS_HAS_CPU_MIPS32_R3_5
bool
config SYS_HAS_CPU_MIPS64_R1
bool
@ -1664,6 +1687,9 @@ config CPU_MIPSR2
bool
default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
config EVA
bool
config SYS_SUPPORTS_32BIT_KERNEL
bool
config SYS_SUPPORTS_64BIT_KERNEL
@ -2149,7 +2175,7 @@ config CPU_R4400_WORKAROUNDS
#
config HIGHMEM
bool "High Memory Support"
depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM
depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
config CPU_SUPPORTS_HIGHMEM
bool