linux-kernel - [PATCH V2] arm64/sysreg: Add register fields for ID_AA64DFR1

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Date: Tue, 20 Feb 2024 08:02:03 +0530
From: Anshuman Khandual <anshuman.khandual@....com>
To: linux-arm-kernel@...ts.infradead.org
Cc: Anshuman Khandual <anshuman.khandual@....com>,
	Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will@...nel.org>,
	Mark Brown <broonie@...nel.org>,
	linux-kernel@...r.kernel.org
Subject: [PATCH V2] arm64/sysreg: Add register fields for ID_AA64DFR1_EL1

This adds register fields for ID_AA64DFR1_EL1 as per the definitions based
on DDI0601 2023-12.

Cc: Catalin Marinas <catalin.marinas@....com>
Cc: Will Deacon <will@...nel.org>
Cc: Mark Brown <broonie@...nel.org>
Cc: linux-arm-kernel@...ts.infradead.org
Cc: linux-kernel@...r.kernel.org
Signed-off-by: Anshuman Khandual <anshuman.khandual@....com>
---
This applies on v6.8-rc5

Changes in V2:

- Added enumerated values for DPFZS field per Mark

Changes in V1:

https://lore.kernel.org/all/20240215065454.2489075-1-anshuman.khandual@arm.com/

 arch/arm64/tools/sysreg | 31 ++++++++++++++++++++++++++++++-
 1 file changed, 30 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/tools/sysreg b/arch/arm64/tools/sysreg
index 4c9b67934367..dd693f992832 100644
--- a/arch/arm64/tools/sysreg
+++ b/arch/arm64/tools/sysreg
@@ -1251,7 +1251,36 @@ EndEnum
 EndSysreg
 
 Sysreg	ID_AA64DFR1_EL1	3	0	0	5	1
-Res0	63:0
+Field	63:56	ABL_CMPs
+UnsignedEnum	55:52	DPFZS
+	0b0000	IGNR
+	0b0001	FRZN
+EndEnum
+UnsignedEnum	51:48	EBEP
+	0b0000	NI
+	0b0001	IMP
+EndEnum
+UnsignedEnum	47:44	ITE
+	0b0000	NI
+	0b0001	IMP
+EndEnum
+UnsignedEnum	43:40	ABLE
+	0b0000	NI
+	0b0001	IMP
+EndEnum
+UnsignedEnum	39:36	PMICNTR
+	0b0000	NI
+	0b0001	IMP
+EndEnum
+UnsignedEnum	35:32	SPMU
+	0b0000	NI
+	0b0001	IMP
+	0b0010	IMP_SPMZR
+EndEnum
+Field	31:24	CTX_CMPs
+Field	23:16	WRPs
+Field	15:8	BRPs
+Field	7:0	SYSPMUID
 EndSysreg
 
 Sysreg	ID_AA64AFR0_EL1	3	0	0	5	4
-- 
2.25.1