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| author | Leonid Yegoshin <Leonid.Yegoshin@imgtec.com> | 2013-12-03 10:22:26 +0000 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2014-03-26 23:09:12 +0100 |
| commit | a6e18781c5b839dc5ad00a38303d101a0333965b (patch) | |
| tree | e97a837a32e5aebd5e3c81acfabfe884031e9f97 /arch/mips/Kconfig | |
| parent | 8c7f6ba3427b2a70aac0016f959b6977c395e8cb (diff) | |
| download | lwn-a6e18781c5b839dc5ad00a38303d101a0333965b.tar.gz lwn-a6e18781c5b839dc5ad00a38303d101a0333965b.zip | |
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/Kconfig | 28 |
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 |