[PATCH] arm: coresight: Finish removal of Coresight support in arch/arm/kernel - CoreSight

10 Feb 2025

Commit 184901a06a36 ("ARM: removing support for etb/etm in
"arch/arm/kernel/"") removed asm/hardware/coresight.h which is included
by this file. Therefore this is dead code so delete it.
Signed-off-by: James Clark james.clark@linaro.org
---
 arch/arm/include/asm/cti.h | 160 -------------------------------------
 1 file changed, 160 deletions(-)
 delete mode 100644 arch/arm/include/asm/cti.h

diff --git a/arch/arm/include/asm/cti.h b/arch/arm/include/asm/cti.h
deleted file mode 100644
index f8500e5d6ea8..000000000000
--- a/arch/arm/include/asm/cti.h
+++ /dev/null
@@ -1,160 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef __ASMARM_CTI_H
-#define __ASMARM_CTI_H
-
-#include	<asm/io.h>
-#include	<asm/hardware/coresight.h>
-
-/* The registers' definition is from section 3.2 of
- * Embedded Cross Trigger Revision: r0p0
- */
-#define		CTICONTROL		0x000
-#define		CTISTATUS		0x004
-#define		CTILOCK			0x008
-#define		CTIPROTECTION		0x00C
-#define		CTIINTACK		0x010
-#define		CTIAPPSET		0x014
-#define		CTIAPPCLEAR		0x018
-#define		CTIAPPPULSE		0x01c
-#define		CTIINEN			0x020
-#define		CTIOUTEN		0x0A0
-#define		CTITRIGINSTATUS		0x130
-#define		CTITRIGOUTSTATUS	0x134
-#define		CTICHINSTATUS		0x138
-#define		CTICHOUTSTATUS		0x13c
-#define		CTIPERIPHID0		0xFE0
-#define		CTIPERIPHID1		0xFE4
-#define		CTIPERIPHID2		0xFE8
-#define		CTIPERIPHID3		0xFEC
-#define		CTIPCELLID0		0xFF0
-#define		CTIPCELLID1		0xFF4
-#define		CTIPCELLID2		0xFF8
-#define		CTIPCELLID3		0xFFC
-
-/* The below are from section 3.6.4 of
- * CoreSight v1.0 Architecture Specification
- */
-#define		LOCKACCESS		0xFB0
-#define		LOCKSTATUS		0xFB4
-
-/**
- * struct cti - cross trigger interface struct
- * @base: mapped virtual address for the cti base
- * @irq: irq number for the cti
- * @trig_out_for_irq: triger out number which will cause
- *	the @irq happen
- *
- * cti struct used to operate cti registers.
- */
-struct cti {
-	void __iomem *base;
-	int irq;
-	int trig_out_for_irq;
-};
-
-/**
- * cti_init - initialize the cti instance
- * @cti: cti instance
- * @base: mapped virtual address for the cti base
- * @irq: irq number for the cti
- * @trig_out: triger out number which will cause
- *	the @irq happen
- *
- * called by machine code to pass the board dependent
- * @base, @irq and @trig_out to cti.
- */
-static inline void cti_init(struct cti *cti,
-	void __iomem *base, int irq, int trig_out)
-{
-	cti->base = base;
-	cti->irq  = irq;
-	cti->trig_out_for_irq = trig_out;
-}
-
-/**
- * cti_map_trigger - use the @chan to map @trig_in to @trig_out
- * @cti: cti instance
- * @trig_in: trigger in number
- * @trig_out: trigger out number
- * @channel: channel number
- *
- * This function maps one trigger in of @trig_in to one trigger
- * out of @trig_out using the channel @chan.
- */
-static inline void cti_map_trigger(struct cti *cti,
-	int trig_in, int trig_out, int chan)
-{
-	void __iomem *base = cti->base;
-	unsigned long val;
-
-	val = __raw_readl(base + CTIINEN + trig_in * 4);
-	val |= BIT(chan);
-	__raw_writel(val, base + CTIINEN + trig_in * 4);
-
-	val = __raw_readl(base + CTIOUTEN + trig_out * 4);
-	val |= BIT(chan);
-	__raw_writel(val, base + CTIOUTEN + trig_out * 4);
-}
-
-/**
- * cti_enable - enable the cti module
- * @cti: cti instance
- *
- * enable the cti module
- */
-static inline void cti_enable(struct cti *cti)
-{
-	__raw_writel(0x1, cti->base + CTICONTROL);
-}
-
-/**
- * cti_disable - disable the cti module
- * @cti: cti instance
- *
- * enable the cti module
- */
-static inline void cti_disable(struct cti *cti)
-{
-	__raw_writel(0, cti->base + CTICONTROL);
-}
-
-/**
- * cti_irq_ack - clear the cti irq
- * @cti: cti instance
- *
- * clear the cti irq
- */
-static inline void cti_irq_ack(struct cti *cti)
-{
-	void __iomem *base = cti->base;
-	unsigned long val;
-
-	val = __raw_readl(base + CTIINTACK);
-	val |= BIT(cti->trig_out_for_irq);
-	__raw_writel(val, base + CTIINTACK);
-}
-
-/**
- * cti_unlock - unlock cti module
- * @cti: cti instance
- *
- * unlock the cti module, or else any writes to the cti
- * module is not allowed.
- */
-static inline void cti_unlock(struct cti *cti)
-{
-	__raw_writel(CS_LAR_KEY, cti->base + LOCKACCESS);
-}
-
-/**
- * cti_lock - lock cti module
- * @cti: cti instance
- *
- * lock the cti module, so any writes to the cti
- * module will be not allowed.
- */
-static inline void cti_lock(struct cti *cti)
-{
-	__raw_writel(~CS_LAR_KEY, cti->base + LOCKACCESS);
-}
-#endif
-- 
2.34.1


    