/*
* linux/arch/arm/include/asm/hardware/coresight.h
*
* CoreSight components' registers
*
* Copyright (C) 2009 Nokia Corporation.
* Alexander Shishkin
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef __ASM_HARDWARE_CORESIGHT_H
#define __ASM_HARDWARE_CORESIGHT_H
#define TRACER_ACCESSED_BIT 0
#define TRACER_RUNNING_BIT 1
#define TRACER_CYCLE_ACC_BIT 2
#define TRACER_TRACE_DATA_BIT 3
#define TRACER_TIMESTAMP_BIT 4
#define TRACER_BRANCHOUTPUT_BIT 5
#define TRACER_RETURN_STACK_BIT 6
#define TRACER_ACCESSED BIT(TRACER_ACCESSED_BIT)
#define TRACER_RUNNING BIT(TRACER_RUNNING_BIT)
#define TRACER_CYCLE_ACC BIT(TRACER_CYCLE_ACC_BIT)
#define TRACER_TRACE_DATA BIT(TRACER_TRACE_DATA_BIT)
#define TRACER_TIMESTAMP BIT(TRACER_TIMESTAMP_BIT)
#define TRACER_BRANCHOUTPUT BIT(TRACER_BRANCHOUTPUT_BIT)
#define TRACER_RETURN_STACK BIT(TRACER_RETURN_STACK_BIT)
#define TRACER_TIMEOUT 10000
#define etm_writel(t, id, v, x) \
(writel_relaxed((v), (t)->etm_regs[(id)] + (x)))
#define etm_readl(t, id, x) (readl_relaxed((t)->etm_regs[(id)] + (x)))
/* CoreSight Management Registers */
#define CSMR_LOCKACCESS 0xfb0
#define CSMR_LOCKSTATUS 0xfb4
#define CSMR_AUTHSTATUS 0xfb8
#define CSMR_DEVID 0xfc8
#define CSMR_DEVTYPE 0xfcc
/* CoreSight Component Registers */
#define CSCR_CLASS 0xff4
#define CS_LAR_KEY 0xc5acce55
/* ETM control register, "ETM Architecture", 3.3.1 */
#define ETMR_CTRL 0
#define ETMCTRL_POWERDOWN 1
#define ETMCTRL_PROGRAM (1 << 10)
#define ETMCTRL_PORTSEL (1 << 11)
#define ETMCTRL_CONTEXTIDSIZE(x) (((x) & 3) << 14)
#define ETMCTRL_PORTMASK1 (7 << 4)
#define ETMCTRL_PORTMASK2 (1 << 21)
#define ETMCTRL_PORTMASK (ETMCTRL_PORTMASK1 | ETMCTRL_PORTMASK2)
#define ETMCTRL_PORTSIZE(x) ((((x) & 7) << 4) | (!!((x) & 8)) << 21)
#define ETMCTRL_DO_CPRT (1 << 1)
#define ETMCTRL_DATAMASK (3 << 2)
#define ETMCTRL_DATA_DO_DATA (1 << 2)
#define ETMCTRL_DATA_DO_ADDR (1 << 3)
#define ETMCTRL_DATA_DO_BOTH (ETMCTRL_DATA_DO_DATA | ETMCTRL_DATA_DO_ADDR)
#define ETMCTRL_BRANCH_OUTPUT (1 << 8)
#define ETMCTRL_CYCLEACCURATE (1 << 12)
#define ETMCTRL_TIMESTAMP_EN (1 << 28)
#define ETMCTRL_RETURN_STACK_EN (1 << 29)
/* ETM configuration code register */
#define ETMR_CONFCODE (0x04)
#define ETMCCR_ETMIDR_PRESENT BIT(31)
/* ETM trace start/stop resource control register */
#define ETMR_TRACESSCTRL (0x18)
/* ETM trigger event register */
#define ETMR_TRIGEVT (0x08)
/* address access type register bits, "ETM architecture",
* table 3-27 */
/* - access type */
#define ETMAAT_IFETCH 0
#define ETMAAT_IEXEC 1
#define ETMAAT_IEXECPASS 2
#define ETMAAT_IEXECFAIL 3
#define ETMAAT_DLOADSTORE 4
#define ETMAAT_DLOAD 5
#define ETMAAT_DSTORE 6
/* - comparison access size */
#define ETMAAT_JAVA (0 << 3)
#define ETMAAT_THUMB (1 << 3)
#define ETMAAT_ARM (3 << 3)
/* - data value comparison control */
#define ETMAAT_NOVALCMP (0 << 5)
#define ETMAAT_VALMATCH (1 << 5)
#define ETMAAT_VALNOMATCH (3 << 5)
/* - exact match */
#define ETMAAT_EXACTMATCH (1 << 7)
/* - context id comparator control */
#define ETMAAT_IGNCONTEXTID (0 << 8)
#define ETMAAT_VALUE1 (1 << 8)
#define ETMAAT_VALUE2 (2 << 8)
#define ETMAAT_VALUE3 (3 << 8)
/* - security level control */
#define ETMAAT_IGNSECURITY (0 << 10)
#define ETMAAT_NSONLY (1 << 10)
#define ETMAAT_SONLY (2 << 10)
#define ETMR_COMP_VAL(x) (0x40 + (x) * 4)
#define ETMR_COMP_ACC_TYPE(x) (0x80 + (x) * 4)
/* ETM status register, "ETM Architecture", 3.3.2 */
#define ETMR_STATUS (0x10)
#define ETMST_OVERFLOW BIT(0)
#define ETMST_PROGBIT BIT(1)
#define ETMST_STARTSTOP BIT(2)
#define ETMST_TRIGGER BIT(3)
#define etm_progbit(t) (etm_readl((t), ETMR_STATUS) & ETMST_PROGBIT)
#define etm_started(t) (etm_readl((t), ETMR_STATUS) & ETMST_STARTSTOP)
#define etm_triggered(t) (etm_readl((t), ETMR_STATUS) & ETMST_TRIGGER)
#define ETMR_TRACEENCTRL2 0x1c
#define ETMR_TRACEENCTRL 0x24
#define ETMTE_INCLEXCL BIT(24)
#define ETMR_TRACEENEVT 0x20
#define ETMR_VIEWDATAEVT 0x30
#define ETMR_VIEWDATACTRL1 0x34
#define ETMR_VIEWDATACTRL2 0x38
#define ETMR_VIEWDATACTRL3 0x3c
#define ETMVDC3_EXCLONLY BIT(16)
#define ETMCTRL_OPTS (ETMCTRL_DO_CPRT)
#define ETMR_ID 0x1e4
#define ETMIDR_VERSION(x) (((x) >> 4) & 0xff)
#define ETMIDR_VERSION_3_1 0x21
#define ETMIDR_VERSION_PFT_1_0 0x30
#define ETMR_CCE 0x1e8
#define ETMCCER_RETURN_STACK_IMPLEMENTED BIT(23)
#define ETMCCER_TIMESTAMPING_IMPLEMENTED BIT(22)
#define ETMR_TRACEIDR 0x200
/* ETM management registers, "ETM Architecture", 3.5.24 */
#define ETMMR_OSLAR 0x300
#define ETMMR_OSLSR 0x304
#define ETMMR_OSSRR 0x308
#define ETMMR_PDSR 0x314
/* ETB registers, "CoreSight Components TRM", 9.3 */
#define ETBR_DEPTH 0x04
#define ETBR_STATUS 0x0c
#define ETBR_READMEM 0x10
#define ETBR_READADDR 0x14
#define ETBR_WRITEADDR 0x18
#define ETBR_TRIGGERCOUNT 0x1c
#define ETBR_CTRL 0x20
#define ETBR_FORMATTERCTRL 0x304
#define ETBFF_ENFTC 1
#define ETBFF_ENFCONT BIT(1)
#define ETBFF_FONFLIN BIT(4)
#define ETBFF_MANUAL_FLUSH BIT(6)
#define ETBFF_TRIGIN BIT(8)
#define ETBFF_TRIGEVT BIT(9)
#define ETBFF_TRIGFL BIT(10)
#define ETBFF_STOPFL BIT(12)
#define etb_writel(t, v, x) \
(writel_relaxed((v), (t)->etb_regs + (x)))
#define etb_readl(t, x) (readl_relaxed((t)->etb_regs + (x)))
#define etm_lock(t, id) \
do { etm_writel((t), (id), 0, CSMR_LOCKACCESS); } while (0)
#define etm_unlock(t, id) \
do { etm_writel((t), (id), CS_LAR_KEY, CSMR_LOCKACCESS); } while (0)
#define etb_lock(t) do { etb_writel((t), 0, CSMR_LOCKACCESS); } while (0)
#define etb_unlock(t) \
do { etb_writel((t), CS_LAR_KEY, CSMR_LOCKACCESS); } while (0)
#endif /* __ASM_HARDWARE_CORESIGHT_H */