OpenOCD
avr32_jtag.h
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1 /***************************************************************************
2  * Copyright (C) 2010 by Oleksandr Tymoshenko <gonzo@bluezbox.com> *
3  * *
4  * This program is free software; you can redistribute it and/or modify *
5  * it under the terms of the GNU General Public License as published by *
6  * the Free Software Foundation; either version 2 of the License, or *
7  * (at your option) any later version. *
8  * *
9  * This program is distributed in the hope that it will be useful, *
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of *
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
12  * GNU General Public License for more details. *
13  * *
14  * You should have received a copy of the GNU General Public License *
15  * along with this program. If not, see <http://www.gnu.org/licenses/>. *
16  ***************************************************************************/
17 
18 #ifndef OPENOCD_TARGET_AVR32_JTAG_H
19 #define OPENOCD_TARGET_AVR32_JTAG_H
20 
21 #define AVR32NUMCOREREGS 17
22 
23 /* tap instructions */
24 #define AVR32_INST_IDCODE 0x01
25 #define AVR32_INST_NEXUS_ACCESS 0x10
26 #define AVR32_INST_MW_ACCESS 0x11
27 #define AVR32_INST_MB_ACCESS 0x12
28 
29 #define SLAVE_OCD 0x01
30 #define SLAVE_HSB_CACHED 0x04
31 #define SLAVE_HSB_UNCACHED 0x05
32 
33 /*
34  * Registers
35  */
36 
37 #define AVR32_OCDREG_DID 0x00
38 #define AVR32_OCDREG_DC 0x02
39 #define OCDREG_DC_SS (1 << 8)
40 #define OCDREG_DC_DBR (1 << 12)
41 #define OCDREG_DC_DBE (1 << 13)
42 #define OCDREG_DC_SQA (1 << 22)
43 #define OCDREG_DC_RES (1 << 30)
44 #define OCDREG_DC_ABORT (1 << 31)
45 #define AVR32_OCDREG_DS 0x04
46 #define OCDREG_DS_SSS (1 << 0)
47 #define OCDREG_DS_SWB (1 << 1)
48 #define OCDREG_DS_HWB (1 << 2)
49 #define OCDREG_DS_STP (1 << 4)
50 #define OCDREG_DS_DBS (1 << 5)
51 #define OCDREG_DS_BP_SHIFT 8
52 #define OCDREG_DS_BP_MASK 0xff
53 #define OCDREG_DS_INC (1 << 24)
54 #define OCDREG_DS_BOZ (1 << 25)
55 #define OCDREG_DS_DBA (1 << 26)
56 #define OCDREG_DS_EXB (1 << 27)
57 #define OCDREG_DS_NTBF (1 << 28)
58 
59 #define AVR32_OCDREG_DINST 0x41
60 #define AVR32_OCDREG_DPC 0x42
61 #define AVR32_OCDREG_DCCPU 0x44
62 #define AVR32_OCDREG_DCEMU 0x45
63 #define AVR32_OCDREG_DCSR 0x46
64 #define OCDREG_DCSR_CPUD (1 << 0)
65 #define OCDREG_DCSR_EMUD (1 << 1)
66 
67 /*
68  * Direction bit
69  */
70 #define MODE_WRITE 0x00
71 #define MODE_READ 0x01
72 
73 /*
74  * Some instructions
75  */
76 
77 #define RETD 0xd703d623
78 #define MTDR(dreg, reg) (0xe7b00044 | ((reg) << 16) | dreg)
79 #define MFDR(reg, dreg) (0xe5b00044 | ((reg) << 16) | dreg)
80 #define MTSR(sysreg, reg) (0xe3b00002 | ((reg) << 16) | sysreg)
81 #define MFSR(reg, sysreg) (0xe1b00002 | ((reg) << 16) | sysreg)
82 
83 struct avr32_jtag {
84  struct jtag_tap *tap;
85  uint32_t dpc; /* Debug PC value */
86 };
87 
88 int avr32_jtag_nexus_read(struct avr32_jtag *jtag_info,
89  uint32_t addr, uint32_t *value);
90 int avr32_jtag_nexus_write(struct avr32_jtag *jtag_info,
91  uint32_t addr, uint32_t value);
92 
93 int avr32_jtag_mwa_read(struct avr32_jtag *jtag_info, int slave,
94  uint32_t addr, uint32_t *value);
95 int avr32_jtag_mwa_write(struct avr32_jtag *jtag_info, int slave,
96  uint32_t addr, uint32_t value);
97 
98 int avr32_ocd_setbits(struct avr32_jtag *jtag, int reg, uint32_t bits);
99 int avr32_ocd_clearbits(struct avr32_jtag *jtag, int reg, uint32_t bits);
100 
101 int avr32_jtag_exec(struct avr32_jtag *jtag_info, uint32_t inst);
102 
103 #endif /* OPENOCD_TARGET_AVR32_JTAG_H */
int avr32_ocd_setbits(struct avr32_jtag *jtag, int reg, uint32_t bits)
Definition: avr32_jtag.c:343
unsigned short addr
Definition: embeddedice.c:56
struct jtag_tap * tap
Definition: avr32_jtag.h:84
int avr32_jtag_exec(struct avr32_jtag *jtag_info, uint32_t inst)
Definition: avr32_jtag.c:325
int avr32_jtag_nexus_write(struct avr32_jtag *jtag_info, uint32_t addr, uint32_t value)
Definition: avr32_jtag.c:181
int avr32_jtag_mwa_read(struct avr32_jtag *jtag_info, int slave, uint32_t addr, uint32_t *value)
Definition: avr32_jtag.c:305
uint32_t dpc
Definition: avr32_jtag.h:85
int bits
Definition: zy1000.c:962
Definition: jtag.h:121
Definition: register.h:116
int avr32_ocd_clearbits(struct avr32_jtag *jtag, int reg, uint32_t bits)
Definition: avr32_jtag.c:360
int avr32_jtag_nexus_read(struct avr32_jtag *jtag_info, uint32_t addr, uint32_t *value)
Definition: avr32_jtag.c:171
int avr32_jtag_mwa_write(struct avr32_jtag *jtag_info, int slave, uint32_t addr, uint32_t value)
Definition: avr32_jtag.c:315
static struct jtag_interface * jtag
Definition: jtag/core.c:129