2 * linux/arch/arm/include/asm/hardware/coresight.h
4 * CoreSight components' registers
6 * Copyright (C) 2009 Nokia Corporation.
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
14 #ifndef __ASM_HARDWARE_CORESIGHT_H
15 #define __ASM_HARDWARE_CORESIGHT_H
17 #define TRACER_ACCESSED_BIT 0
18 #define TRACER_RUNNING_BIT 1
19 #define TRACER_CYCLE_ACC_BIT 2
20 #define TRACER_ACCESSED BIT(TRACER_ACCESSED_BIT)
21 #define TRACER_RUNNING BIT(TRACER_RUNNING_BIT)
22 #define TRACER_CYCLE_ACC BIT(TRACER_CYCLE_ACC_BIT)
25 unsigned int etb_bufsz;
26 void __iomem *etb_regs;
27 void __iomem *etm_regs;
36 #define TRACER_TIMEOUT 10000
38 #define etm_writel(t, v, x) \
39 (__raw_writel((v), (t)->etm_regs + (x)))
40 #define etm_readl(t, x) (__raw_readl((t)->etm_regs + (x)))
42 /* CoreSight Management Registers */
43 #define CSMR_LOCKACCESS 0xfb0
44 #define CSMR_LOCKSTATUS 0xfb4
45 #define CSMR_AUTHSTATUS 0xfb8
46 #define CSMR_DEVID 0xfc8
47 #define CSMR_DEVTYPE 0xfcc
48 /* CoreSight Component Registers */
49 #define CSCR_CLASS 0xff4
51 #define CSCR_PRSR 0x314
53 #define UNLOCK_MAGIC 0xc5acce55
55 /* ETM control register, "ETM Architecture", 3.3.1 */
57 #define ETMCTRL_POWERDOWN 1
58 #define ETMCTRL_PROGRAM (1 << 10)
59 #define ETMCTRL_PORTSEL (1 << 11)
60 #define ETMCTRL_DO_CONTEXTID (3 << 14)
61 #define ETMCTRL_PORTMASK1 (7 << 4)
62 #define ETMCTRL_PORTMASK2 (1 << 21)
63 #define ETMCTRL_PORTMASK (ETMCTRL_PORTMASK1 | ETMCTRL_PORTMASK2)
64 #define ETMCTRL_PORTSIZE(x) ((((x) & 7) << 4) | (!!((x) & 8)) << 21)
65 #define ETMCTRL_DO_CPRT (1 << 1)
66 #define ETMCTRL_DATAMASK (3 << 2)
67 #define ETMCTRL_DATA_DO_DATA (1 << 2)
68 #define ETMCTRL_DATA_DO_ADDR (1 << 3)
69 #define ETMCTRL_DATA_DO_BOTH (ETMCTRL_DATA_DO_DATA | ETMCTRL_DATA_DO_ADDR)
70 #define ETMCTRL_BRANCH_OUTPUT (1 << 8)
71 #define ETMCTRL_CYCLEACCURATE (1 << 12)
73 /* ETM configuration code register */
74 #define ETMR_CONFCODE (0x04)
76 /* ETM trace start/stop resource control register */
77 #define ETMR_TRACESSCTRL (0x18)
79 /* ETM trigger event register */
80 #define ETMR_TRIGEVT (0x08)
82 /* address access type register bits, "ETM architecture",
85 #define ETMAAT_IFETCH 0
86 #define ETMAAT_IEXEC 1
87 #define ETMAAT_IEXECPASS 2
88 #define ETMAAT_IEXECFAIL 3
89 #define ETMAAT_DLOADSTORE 4
90 #define ETMAAT_DLOAD 5
91 #define ETMAAT_DSTORE 6
92 /* - comparison access size */
93 #define ETMAAT_JAVA (0 << 3)
94 #define ETMAAT_THUMB (1 << 3)
95 #define ETMAAT_ARM (3 << 3)
96 /* - data value comparison control */
97 #define ETMAAT_NOVALCMP (0 << 5)
98 #define ETMAAT_VALMATCH (1 << 5)
99 #define ETMAAT_VALNOMATCH (3 << 5)
101 #define ETMAAT_EXACTMATCH (1 << 7)
102 /* - context id comparator control */
103 #define ETMAAT_IGNCONTEXTID (0 << 8)
104 #define ETMAAT_VALUE1 (1 << 8)
105 #define ETMAAT_VALUE2 (2 << 8)
106 #define ETMAAT_VALUE3 (3 << 8)
107 /* - security level control */
108 #define ETMAAT_IGNSECURITY (0 << 10)
109 #define ETMAAT_NSONLY (1 << 10)
110 #define ETMAAT_SONLY (2 << 10)
112 #define ETMR_COMP_VAL(x) (0x40 + (x) * 4)
113 #define ETMR_COMP_ACC_TYPE(x) (0x80 + (x) * 4)
115 /* ETM status register, "ETM Architecture", 3.3.2 */
116 #define ETMR_STATUS (0x10)
117 #define ETMST_OVERFLOW (1 << 0)
118 #define ETMST_PROGBIT (1 << 1)
119 #define ETMST_STARTSTOP (1 << 2)
120 #define ETMST_TRIGGER (1 << 3)
122 #define etm_progbit(t) (etm_readl((t), ETMR_STATUS) & ETMST_PROGBIT)
123 #define etm_started(t) (etm_readl((t), ETMR_STATUS) & ETMST_STARTSTOP)
124 #define etm_triggered(t) (etm_readl((t), ETMR_STATUS) & ETMST_TRIGGER)
126 #define ETMR_TRACEENCTRL2 0x1c
127 #define ETMR_TRACEENCTRL 0x24
128 #define ETMTE_INCLEXCL (1 << 24)
129 #define ETMR_TRACEENEVT 0x20
130 #define ETMCTRL_OPTS (ETMCTRL_DO_CPRT | \
131 ETMCTRL_DATA_DO_ADDR | \
132 ETMCTRL_BRANCH_OUTPUT | \
133 ETMCTRL_DO_CONTEXTID)
135 /* ETB registers, "CoreSight Components TRM", 9.3 */
136 #define ETBR_DEPTH 0x04
137 #define ETBR_STATUS 0x0c
138 #define ETBR_READMEM 0x10
139 #define ETBR_READADDR 0x14
140 #define ETBR_WRITEADDR 0x18
141 #define ETBR_TRIGGERCOUNT 0x1c
142 #define ETBR_CTRL 0x20
143 #define ETBR_FORMATTERCTRL 0x304
144 #define ETBFF_ENFTC 1
145 #define ETBFF_ENFCONT (1 << 1)
146 #define ETBFF_FONFLIN (1 << 4)
147 #define ETBFF_MANUAL_FLUSH (1 << 6)
148 #define ETBFF_TRIGIN (1 << 8)
149 #define ETBFF_TRIGEVT (1 << 9)
150 #define ETBFF_TRIGFL (1 << 10)
152 #define etb_writel(t, v, x) \
153 (__raw_writel((v), (t)->etb_regs + (x)))
154 #define etb_readl(t, x) (__raw_readl((t)->etb_regs + (x)))
156 #define etm_lock(t) do { etm_writel((t), 0, CSMR_LOCKACCESS); } while (0)
157 #define etm_unlock(t) \
158 do { etm_writel((t), UNLOCK_MAGIC, CSMR_LOCKACCESS); } while (0)
160 #define etb_lock(t) do { etb_writel((t), 0, CSMR_LOCKACCESS); } while (0)
161 #define etb_unlock(t) \
162 do { etb_writel((t), UNLOCK_MAGIC, CSMR_LOCKACCESS); } while (0)
164 #endif /* __ASM_HARDWARE_CORESIGHT_H */