Commit c0c5a8ea authored by Joey Gouly's avatar Joey Gouly Committed by Will Deacon
Browse files

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



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

Signed-off-by: default avatarJoey Gouly <joey.gouly@arm.com>
Reviewed-by: default avatarMark Brown <broonie@kernel.org>
Acked-by: default avatarCatalin Marinas <catalin.marinas@arm.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20231209-b4-arm64-sysreg-additions-v1-3-45284e538474@kernel.org


Signed-off-by: default avatarWill Deacon <will@kernel.org>
parent 41bb68fb

arch/arm64/include/asm/sysreg.h

+13 −0
Original line number Diff line number Diff line
@@ -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. */

arch/arm64/tools/sysreg

+12 −0
Original line number Diff line number Diff line
@@ -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