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arm64/sysreg: add system register POR_EL{0,1}

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Add POR_EL{0,1} according to DDI0601 2023-03.

Signed-off-by: Joey Gouly <joey.gouly@arm.com>
Reviewed-by: Mark Brown <broonie@kernel.org>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20231209-b4-arm64-sysreg-additions-v1-3-45284e538474@kernel.org
Signed-off-by: Will Deacon <will@kernel.org>
This commit is contained in:
Joey Gouly 2023-12-09 01:02:49 +00:00 committed by Will Deacon
parent 41bb68fbd0
commit c0c5a8ea96
2 changed files with 25 additions and 0 deletions
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13
arch/arm64/include/asm/sysreg.h
View File

@ -1039,6 +1039,19 @@
#define PIRx_ELx_PERM(idx, perm) ((perm) << ((idx) * 4))
/*
* Permission Overlay Extension (POE) permission encodings.
*/
#define POE_NONE UL(0x0)
#define POE_R UL(0x1)
#define POE_X UL(0x2)
#define POE_RX UL(0x3)
#define POE_W UL(0x4)
#define POE_RW UL(0x5)
#define POE_XW UL(0x6)
#define POE_RXW UL(0x7)
#define POE_MASK UL(0xf)
#define ARM64_FEATURE_FIELD_BITS 4
/* Defined for compatibility only, do not add new users. */

12
arch/arm64/tools/sysreg
View File

@ -2555,6 +2555,18 @@ Sysreg PIR_EL2 3 4 10 2 3
Fields PIRx_ELx
EndSysreg
Sysreg POR_EL0 3 3 10 2 4
Fields PIRx_ELx
EndSysreg
Sysreg POR_EL1 3 0 10 2 4
Fields PIRx_ELx
EndSysreg
Sysreg POR_EL12 3 5 10 2 4
Fields PIRx_ELx
EndSysreg
Sysreg LORSA_EL1 3 0 10 4 0
Res0 63:52
Field 51:16 SA