[RFC 03/10] arm64/sysreg: Add register fields for ID_AA64DFR2_EL1

[Anshuman Khandual]

This adds register fields for ID_AA64DFR2_EL1 as per the definitions based
on DDI0601 2024-03.

Cc: Catalin Marinas <catalin.marinas@xxxxxxx>
Cc: Will Deacon <will@xxxxxxxxxx>
Cc: Mark Brown <broonie@xxxxxxxxxx>
Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx
Signed-off-by: Anshuman Khandual <anshuman.khandual@xxxxxxx>
---
 arch/arm64/tools/sysreg | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/arch/arm64/tools/sysreg b/arch/arm64/tools/sysreg
index 4b44ea5dce7e..df9111d11bc0 100644
--- a/arch/arm64/tools/sysreg
+++ b/arch/arm64/tools/sysreg
@@ -1294,6 +1294,19 @@ Field	15:8	BRPs
 Field	7:0	SYSPMUID
 EndSysreg
 
+Sysreg	ID_AA64DFR2_EL1	3	0	0	5	2
+Res0	63:8
+UnsignedEnum	7:4	BWE
+	0b0000	NI
+	0b0001	IMP
+	0b0010	IMP_WPT
+EndEnum
+UnsignedEnum	3:0	STEP
+	0b0000	NI
+	0b0001	IMP
+EndEnum
+EndSysreg
+
 Sysreg	ID_AA64AFR0_EL1	3	0	0	5	4
 Res0	63:32
 Field	31:28	IMPDEF7
-- 
2.25.1