arm64/sysreg: Convert ID_ISAR4_EL1 to automatic generation

Convert ID_ISAR4_EL1 to be automatically generated as per DDI0487I.a,
no functional changes.
Reviewed-by: Mark Brown <broonie@kernel.org>
Signed-off-by: James Morse <james.morse@arm.com>
Link: https://lore.kernel.org/r/20221130171637.718182-27-james.morse@arm.comSigned-off-by: Will Deacon <will@kernel.org>

arch/arm64/include/asm/sysreg.h

@@ -173,7 +173,6 @@
 #define SYS_ID_AFR0_EL1			sys_reg(3, 0, 0, 1, 3)
 #define SYS_ID_MMFR5_EL1		sys_reg(3, 0, 0, 3, 6)
 
-#define SYS_ID_ISAR4_EL1		sys_reg(3, 0, 0, 2, 4)
 #define SYS_ID_ISAR5_EL1		sys_reg(3, 0, 0, 2, 5)
 #define SYS_ID_ISAR6_EL1		sys_reg(3, 0, 0, 2, 7)
 
@@ -688,15 +687,6 @@
 #define ID_DFR0_EL1_PerfMon_PMUv3p4		0x5
 #define ID_DFR0_EL1_PerfMon_PMUv3p5		0x6
 
-#define ID_ISAR4_EL1_SWP_frac_SHIFT		28
-#define ID_ISAR4_EL1_PSR_M_SHIFT		24
-#define ID_ISAR4_EL1_SynchPrim_frac_SHIFT	20
-#define ID_ISAR4_EL1_Barrier_SHIFT		16
-#define ID_ISAR4_EL1_SMC_SHIFT			12
-#define ID_ISAR4_EL1_Writeback_SHIFT		8
-#define ID_ISAR4_EL1_WithShifts_SHIFT		4
-#define ID_ISAR4_EL1_Unpriv_SHIFT		0
-
 #define ID_DFR1_EL1_MTPMU_SHIFT		0
 
 #define ID_ISAR5_EL1_RDM_SHIFT		24

arch/arm64/tools/sysreg

@@ -382,6 +382,45 @@ Enum	3:0	Saturate
 EndEnum
 EndSysreg
 
+Sysreg ID_ISAR4_EL1	3	0	0	2	4
+Res0	63:32
+Enum	31:28	SWP_frac
+	0b0000	NI
+	0b0001	IMP
+EndEnum
+Enum	27:24	PSR_M
+	0b0000	NI
+	0b0001	IMP
+EndEnum
+Enum	23:20	SynchPrim_frac
+	0b0000	NI
+	0b0011	IMP
+EndEnum
+Enum	19:16	Barrier
+	0b0000	NI
+	0b0001	IMP
+EndEnum
+Enum	15:12	SMC
+	0b0000	NI
+	0b0001	IMP
+EndEnum
+Enum	11:8	Writeback
+	0b0000	NI
+	0b0001	IMP
+EndEnum
+Enum	7:4	WithShifts
+	0b0000	NI
+	0b0001	LSL3
+	0b0011	LS
+	0b0100	REG
+EndEnum
+Enum	3:0	Unpriv
+	0b0000	NI
+	0b0001	REG_BYTE
+	0b0010	SIGNED_HALFWORD
+EndEnum
+EndSysreg
+
 Sysreg ID_MMFR4_EL1	3	0	0	2	6
 Res0	63:32
 Enum	31:28	EVT