1 /***************************************************************************
2 * Copyright (C) 2005, 2006 by Dominic Rath *
3 * Dominic.Rath@gmx.de *
5 * This program is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; either version 2 of the License, or *
8 * (at your option) any later version. *
10 * This program is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program; if not, write to the *
17 * Free Software Foundation, Inc., *
18 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
19 ***************************************************************************/
20 #ifndef EMBEDDED_ICE_H
21 #define EMBEDDED_ICE_H
26 #include "arm7_9_common.h"
34 EICE_W0_ADDR_VALUE = 4,
35 EICE_W0_ADDR_MASK = 5,
36 EICE_W0_DATA_VALUE = 6,
37 EICE_W0_DATA_MASK = 7,
38 EICE_W0_CONTROL_VALUE = 8,
39 EICE_W0_CONTROL_MASK = 9,
40 EICE_W1_ADDR_VALUE = 10,
41 EICE_W1_ADDR_MASK = 11,
42 EICE_W1_DATA_VALUE = 12,
43 EICE_W1_DATA_MASK = 13,
44 EICE_W1_CONTROL_VALUE = 14,
45 EICE_W1_CONTROL_MASK = 15,
51 EICE_DBG_CONTROL_ICEDIS = 5,
52 EICE_DBG_CONTROL_MONEN = 4,
53 EICE_DBG_CONTROL_INTDIS = 2,
54 EICE_DBG_CONTROL_DBGRQ = 1,
55 EICE_DBG_CONTROL_DBGACK = 0,
60 EICE_DBG_STATUS_IJBIT = 5,
61 EICE_DBG_STATUS_ITBIT = 4,
62 EICE_DBG_STATUS_SYSCOMP = 3,
63 EICE_DBG_STATUS_IFEN = 2,
64 EICE_DBG_STATUS_DBGRQ = 1,
65 EICE_DBG_STATUS_DBGACK = 0
70 EICE_W_CTRL_ENABLE = 0x100,
71 EICE_W_CTRL_RANGE = 0x80,
72 EICE_W_CTRL_CHAIN = 0x40,
73 EICE_W_CTRL_EXTERN = 0x20,
74 EICE_W_CTRL_nTRANS = 0x10,
75 EICE_W_CTRL_nOPC = 0x8,
76 EICE_W_CTRL_MAS = 0x6,
77 EICE_W_CTRL_ITBIT = 0x2,
83 EICE_COMM_CTRL_WBIT = 1,
84 EICE_COMM_CTRL_RBIT = 0
87 typedef struct embeddedice_reg_s
90 arm_jtag_t *jtag_info;
93 extern reg_cache_t* embeddedice_build_reg_cache(target_t *target, arm7_9_common_t *arm7_9);
94 extern int embeddedice_setup(target_t *target);
95 extern int embeddedice_read_reg(reg_t *reg);
96 extern int embeddedice_write_reg(reg_t *reg, u32 value);
97 extern int embeddedice_read_reg_w_check(reg_t *reg, u8* check_value, u8* check_mask);
98 extern int embeddedice_store_reg(reg_t *reg);
99 extern int embeddedice_set_reg(reg_t *reg, u32 value);
100 extern int embeddedice_set_reg_w_exec(reg_t *reg, u8 *buf);
101 extern int embeddedice_receive(arm_jtag_t *jtag_info, u32 *data, u32 size);
102 extern int embeddedice_send(arm_jtag_t *jtag_info, u32 *data, u32 size);
103 extern int embeddedice_handshake(arm_jtag_t *jtag_info, int hsbit, u32 timeout);
105 /* If many embeddedice_write_reg() follow eachother, then the >1 invocations can be this faster version of
106 * embeddedice_write_reg
108 static __inline__ void embeddedice_write_reg_inner(int chain_pos, int reg_addr, u32 value)
121 jtag_add_dr_out(chain_pos,
127 scan_field_t fields[3];
132 fields[0].device = ice_reg->jtag_info->chain_pos;
133 fields[0].num_bits = 32;
134 fields[0].out_value = field0_out;
135 buf_set_u32(fields[0].out_value, 0, 32, value);
136 fields[0].out_mask = NULL;
137 fields[0].in_value = NULL;
138 fields[0].in_check_value = NULL;
139 fields[0].in_check_mask = NULL;
140 fields[0].in_handler = NULL;
141 fields[0].in_handler_priv = NULL;
143 fields[1].device = ice_reg->jtag_info->chain_pos;
144 fields[1].num_bits = 5;
145 fields[1].out_value = field1_out;
146 buf_set_u32(fields[1].out_value, 0, 5, reg_addr);
147 fields[1].out_mask = NULL;
148 fields[1].in_value = NULL;
149 fields[1].in_check_value = NULL;
150 fields[1].in_check_mask = NULL;
151 fields[1].in_handler = NULL;
152 fields[1].in_handler_priv = NULL;
154 fields[2].device = ice_reg->jtag_info->chain_pos;
155 fields[2].num_bits = 1;
156 fields[2].out_value = field2_out;
157 buf_set_u32(fields[2].out_value, 0, 1, 1);
158 fields[2].out_mask = NULL;
159 fields[2].in_value = NULL;
160 fields[2].in_check_value = NULL;
161 fields[2].in_check_mask = NULL;
162 fields[2].in_handler = NULL;
163 fields[2].in_handler_priv = NULL;
165 jtag_add_dr_scan(3, fields, -1);
171 #endif /* EMBEDDED_ICE_H */