From: Leonid Yegoshin <Leonid.Yegoshin@xxxxxxxxxx> Add basic Kconfig support for EVA. Not selectable by any platform at this point. Signed-off-by: Leonid Yegoshin <Leonid.Yegoshin@xxxxxxxxxx> Signed-off-by: Markos Chandras <markos.chandras@xxxxxxxxxx> --- arch/mips/Kconfig | 28 +++++++++++++++++++++++++++- 1 file changed, 27 insertions(+), 1 deletion(-) diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index f4c78c9..4230c7a 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -1446,6 +1446,26 @@ 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 @@ -1539,6 +1559,9 @@ 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 @@ -1658,6 +1681,9 @@ 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 @@ -2095,7 +2121,7 @@ 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 -- 1.8.5.3
