2 * Copyright © 2008 Keith Packard <keithp@keithp.com>
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.
9 * This program is distributed in the hope that it will be useful, but
10 * WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * General Public License for more details.
14 * You should have received a copy of the GNU General Public License along
15 * with this program; if not, write to the Free Software Foundation, Inc.,
16 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
30 #include <sys/types.h>
31 #include <sys/ioctl.h>
36 #define CC_CLOCK CP2101_GPIO_MASK(0)
37 #define CC_DATA CP2101_GPIO_MASK(1)
38 #define CC_RESET_N CP2101_GPIO_MASK(2)
42 #define CC_RESET_N 0x4
47 /* painfully slow for now */
48 #define CC_CLOCK_US (1000)
51 usb_dev_handle *usb_dev;
62 #define CC_CHIP_ERASE 0x14
64 #define CC_WR_CONFIG 0x1d
65 #define CC_RD_CONFIG 0x24
66 # define CC_CONFIG_TIMERS_OFF (1 << 3)
67 # define CC_CONFIG_DMA_PAUSE (1 << 2)
68 # define CC_CONFIG_TIMER_SUSPEND (1 << 1)
69 # define CC_SET_FLASH_INFO_PAGE (1 << 0)
71 #define CC_GET_PC 0x28
72 #define CC_READ_STATUS 0x34
73 # define CC_STATUS_CHIP_ERASE_DONE (1 << 7)
74 # define CC_STATUS_PCON_IDLE (1 << 6)
75 # define CC_STATUS_CPU_HALTED (1 << 5)
76 # define CC_STATUS_POWER_MODE_0 (1 << 4)
77 # define CC_STATUS_HALT_STATUS (1 << 3)
78 # define CC_STATUS_DEBUG_LOCKED (1 << 2)
79 # define CC_STATUS_OSCILLATOR_STABLE (1 << 1)
80 # define CC_STATUS_STACK_OVERFLOW (1 << 0)
82 #define CC_SET_HW_BRKPNT 0x3b
83 # define CC_HW_BRKPNT_N(n) ((n) << 3)
84 # define CC_HW_BRKPNT_N_MASK (0x3 << 3)
85 # define CC_HW_BRKPNT_ENABLE (1 << 2)
88 #define CC_RESUME 0x4c
89 #define CC_DEBUG_INSTR(n) (0x54|(n))
90 #define CC_STEP_INSTR 0x5c
91 #define CC_STEP_REPLACE(n) (0x64|(n))
92 #define CC_GET_CHIP_ID 0x68
94 #define CC_DEBUG_BITBANG 0x00000001
95 #define CC_DEBUG_COMMAND 0x00000002
99 ccdbg_debug_mode(struct ccdbg *dbg);
102 ccdbg_reset(struct ccdbg *dbg);
105 ccdbg_chip_erase(struct ccdbg *dbg);
108 ccdbg_wr_config(struct ccdbg *dbg, uint8_t config);
111 ccdbg_rd_config(struct ccdbg *dbg);
114 ccdbg_get_pc(struct ccdbg *dbg);
117 ccdbg_read_status(struct ccdbg *dbg);
120 ccdbg_set_hw_brkpnt(struct ccdbg *dbg, uint8_t number, uint8_t enable, uint16_t addr);
123 ccdbg_halt(struct ccdbg *dbg);
126 ccdbg_resume(struct ccdbg *dbg);
129 ccdbg_debug_instr(struct ccdbg *dbg, uint8_t *instr, int nbytes);
132 ccdbg_step_instr(struct ccdbg *dbg);
135 ccdbg_step_replace(struct ccdbg *dbg, uint8_t *instr, int nbytes);
138 ccdbg_get_chip_id(struct ccdbg *dbg);
144 ccdbg_debug(int level, char *format, ...);
147 ccdbg_add_debug(int level);
150 ccdbg_clear_debug(int level);
154 ccdbg_quarter_clock(struct ccdbg *dbg);
157 ccdbg_half_clock(struct ccdbg *dbg);
160 ccdbg_write(struct ccdbg *dbg, uint8_t mask, uint8_t value);
163 ccdbg_read(struct ccdbg *dbg);
166 ccdbg_open(char *file);
169 ccdbg_close(struct ccdbg *dbg);
172 ccdbg_clock_1_0(struct ccdbg *dbg);
175 ccdbg_clock_0_1(struct ccdbg *dbg);
178 ccdbg_write_bit(struct ccdbg *dbg, uint8_t bit);
181 ccdbg_write_byte(struct ccdbg *dbg, uint8_t byte);
184 ccdbg_read_bit(struct ccdbg *dbg);
187 ccdbg_read_byte(struct ccdbg *dbg);
190 ccdbg_cmd_write(struct ccdbg *dbg, uint8_t cmd, uint8_t *data, int len);
193 ccdbg_cmd_write_read8(struct ccdbg *dbg, uint8_t cmd, uint8_t *data, int len);
196 ccdbg_cmd_write_read16(struct ccdbg *dbg, uint8_t cmd, uint8_t *data, int len);
199 ccdbg_send(struct ccdbg *dbg, uint8_t mask, uint8_t set);
202 ccdbg_send_bit(struct ccdbg *dbg, uint8_t bit);
205 ccdbg_send_byte(struct ccdbg *dbg, uint8_t byte);
208 ccdbg_send_bytes(struct ccdbg *dbg, uint8_t *bytes, int nbytes);
211 ccdbg_recv_bit(struct ccdbg *dbg, int first);
214 ccdbg_recv_byte(struct ccdbg *dbg, int first);
217 ccdbg_recv_bytes(struct ccdbg *dbg, uint8_t *bytes, int nbytes);
220 ccdbg_print(char *format, uint8_t mask, uint8_t set);
225 ccdbg_manual(struct ccdbg *dbg, FILE *input);
229 cp_usb_init(struct ccdbg *dbg);
232 cp_usb_fini(struct ccdbg *dbg);
235 cp_usb_write(struct ccdbg *dbg, uint8_t mask, uint8_t value);
238 cp_usb_read(struct ccdbg *dbg);
240 #endif /* _CCDBG_H_ */