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authorLeonid Yegoshin <Leonid.Yegoshin@imgtec.com>2013-12-03 14:22:26 +0400
committerRalf Baechle <ralf@linux-mips.org>2014-03-27 02:09:12 +0400
commita6e18781c5b839dc5ad00a38303d101a0333965b (patch)
treee97a837a32e5aebd5e3c81acfabfe884031e9f97 /arch/mips/Kconfig
parent8c7f6ba3427b2a70aac0016f959b6977c395e8cb (diff)
downloadlinux-a6e18781c5b839dc5ad00a38303d101a0333965b.tar.xz
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>
Diffstat (limited to 'arch/mips/Kconfig')
-rw-r--r--arch/mips/Kconfig28
1 files changed, 27 insertions, 1 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 50d854ce7f59..731446473f21 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -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