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authorRadha Mohan Chintakuntla <rchintakuntla@cavium.com>2014-03-07 08:49:25 +0000
committerCatalin Marinas <catalin.marinas@arm.com>2014-03-13 11:22:36 +0000
commit87366d8cf7b3f6dc34633938aa8766e5a390ce33 (patch)
tree9af5603c6cf5627207b0b78a44777bdfde6a1f87 /arch/arm64/Kconfig
parent71fdb6bf61bf0692f004f9daf5650392c0cfe300 (diff)
downloadlwn-87366d8cf7b3f6dc34633938aa8766e5a390ce33.tar.gz
lwn-87366d8cf7b3f6dc34633938aa8766e5a390ce33.zip
arm64: Add boot time configuration of Intermediate Physical Address size
ARMv8 supports a range of physical address bit sizes. The PARange bits from ID_AA64MMFR0_EL1 register are read during boot-time and the intermediate physical address size bits are written in the translation control registers (TCR_EL1 and VTCR_EL2). There is no change in the VA bits and levels of translation. Signed-off-by: Radha Mohan Chintakuntla <rchintakuntla@cavium.com> Reviewed-by: Will Deacon <Will.deacon@arm.com> Acked-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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