linux-kernel - [PATCH V3 08/14] arm64/sysreg: Convert TRBLIMITR

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Message-Id: <20230614065949.146187-9-anshuman.khandual@arm.com>
Date:   Wed, 14 Jun 2023 12:29:43 +0530
From:   Anshuman Khandual <anshuman.khandual@....com>
To:     linux-arm-kernel@...ts.infradead.org, broonie@...nel.org
Cc:     Anshuman Khandual <anshuman.khandual@....com>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>, Marc Zyngier <maz@...nel.org>,
        Rob Herring <robh@...nel.org>,
        Suzuki K Poulose <suzuki.poulose@....com>,
        James Morse <james.morse@....com>, kvmarm@...ts.linux.dev,
        coresight@...ts.linaro.org, linux-kernel@...r.kernel.org
Subject: [PATCH V3 08/14] arm64/sysreg: Convert TRBLIMITR_EL1 register to automatic generation

This converts TRBLIMITR_EL1 register to automatic generation without
causing any functional change.

Cc: Catalin Marinas <catalin.marinas@....com>
Cc: Will Deacon <will@...nel.org>
Cc: Marc Zyngier <maz@...nel.org>
Cc: Mark Brown <broonie@...nel.org>
Cc: Rob Herring <robh@...nel.org>
Cc: Suzuki K Poulose <suzuki.poulose@....com>
Cc: James Morse <james.morse@....com>
Cc: linux-arm-kernel@...ts.infradead.org
Cc: linux-kernel@...r.kernel.org
Reviewed-by: Mark Brown <broonie@...nel.org>
Signed-off-by: Anshuman Khandual <anshuman.khandual@....com>
---
 arch/arm64/include/asm/sysreg.h              | 12 ------------
 arch/arm64/tools/sysreg                      | 18 ++++++++++++++++++
 drivers/hwtracing/coresight/coresight-trbe.h |  9 ---------
 3 files changed, 18 insertions(+), 21 deletions(-)

diff --git a/arch/arm64/include/asm/sysreg.h b/arch/arm64/include/asm/sysreg.h
index c505838d7851..7dc053150010 100644
--- a/arch/arm64/include/asm/sysreg.h
+++ b/arch/arm64/include/asm/sysreg.h
@@ -241,10 +241,6 @@
 
 /*** End of Statistical Profiling Extension ***/
 
-/*
- * TRBE Registers
- */
-#define SYS_TRBLIMITR_EL1		sys_reg(3, 0, 9, 11, 0)
 #define SYS_TRBPTR_EL1			sys_reg(3, 0, 9, 11, 1)
 #define SYS_TRBBASER_EL1		sys_reg(3, 0, 9, 11, 2)
 #define SYS_TRBSR_EL1			sys_reg(3, 0, 9, 11, 3)
@@ -252,14 +248,6 @@
 #define SYS_TRBTRG_EL1			sys_reg(3, 0, 9, 11, 6)
 #define SYS_TRBIDR_EL1			sys_reg(3, 0, 9, 11, 7)
 
-#define TRBLIMITR_EL1_LIMIT_MASK	GENMASK_ULL(63, 12)
-#define TRBLIMITR_EL1_LIMIT_SHIFT	12
-#define TRBLIMITR_EL1_nVM		BIT(5)
-#define TRBLIMITR_EL1_TM_MASK		GENMASK(4, 3)
-#define TRBLIMITR_EL1_TM_SHIFT		3
-#define TRBLIMITR_EL1_FM_MASK		GENMASK(2, 1)
-#define TRBLIMITR_EL1_FM_SHIFT		1
-#define TRBLIMITR_EL1_E			BIT(0)
 #define TRBPTR_EL1_PTR_MASK		GENMASK_ULL(63, 0)
 #define TRBPTR_EL1_PTR_SHIFT		0
 #define TRBBASER_EL1_BASE_MASK		GENMASK_ULL(63, 12)
diff --git a/arch/arm64/tools/sysreg b/arch/arm64/tools/sysreg
index c9a0d1fa3209..a43309607d42 100644
--- a/arch/arm64/tools/sysreg
+++ b/arch/arm64/tools/sysreg
@@ -2200,3 +2200,21 @@ Sysreg	ICC_NMIAR1_EL1	3	0	12	9	5
 Res0	63:24
 Field	23:0	INTID
 EndSysreg
+
+Sysreg	TRBLIMITR_EL1	3	0	9	11	0
+Field	63:12	LIMIT
+Res0	11:7
+Field	6	XE
+Field	5	nVM
+Enum	4:3	TM
+	0b00	STOP
+	0b01	IRQ
+	0b11	IGNR
+EndEnum
+Enum	2:1	FM
+	0b00	FILL
+	0b01	WRAP
+	0b11	CBUF
+EndEnum
+Field	0	E
+EndSysreg
diff --git a/drivers/hwtracing/coresight/coresight-trbe.h b/drivers/hwtracing/coresight/coresight-trbe.h
index d661b062293f..77cbb5c63878 100644
--- a/drivers/hwtracing/coresight/coresight-trbe.h
+++ b/drivers/hwtracing/coresight/coresight-trbe.h
@@ -84,15 +84,6 @@ static inline bool is_trbe_running(u64 trbsr)
 	return !(trbsr & TRBSR_EL1_S);
 }
 
-#define TRBE_TRIG_MODE_STOP		0
-#define TRBE_TRIG_MODE_IRQ		1
-#define TRBLIMITR_EL1_TM_IGNR		3
-
-#define TRBLIMITR_EL1_FM_FILL		0
-#define TRBE_FILL_MODE_FILL		0
-#define TRBE_FILL_MODE_WRAP		1
-#define TRBE_FILL_MODE_CIRCULAR_BUFFER	3
-
 static inline bool get_trbe_flag_update(u64 trbidr)
 {
 	return trbidr & TRBIDR_EL1_F;
-- 
2.25.1