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 (50)
50 #define MOV_direct_data 0x75
52 #define MOV_Rn_data(n) (0x78 | (n))
53 #define DJNZ_Rn_rel(n) (0xd8 | (n))
54 #define MOV_A_direct 0xe5
55 #define MOV_direct_A 0xf5
56 #define MOV_DPTR_data16 0x90
57 #define MOV_A_data 0x74
58 #define MOVX_atDPTR_A 0xf0
59 #define MOVX_A_atDPTR 0xe0
69 # define FCTL_BUSY 0x80
70 # define FCTL_BUSY_BIT 7
71 # define FCTL_SWBSY 0x40
72 # define FCTL_SWBSY_BIT 6
73 # define FCTL_CONTRD 0x10
74 # define FCTL_WRITE 0x02
75 # define FCTL_ERASE 0x01
79 #define CLKCON_OSC32K 0x80
80 #define CLKCON_OSC 0x40
81 #define CLKCON_TICKSPD 0x38
82 #define CLKCON_CLKSPD 0x07
95 #define ACC(bit) (0xE0 | (bit))
98 usb_dev_handle *usb_dev;
117 struct hex_record *records[0];
126 #define HEX_RECORD_NORMAL 0x00
127 #define HEX_RECORD_EOF 0x01
128 #define HEX_RECORD_EXTENDED_ADDRESS 0x02
132 #define CC_CHIP_ERASE 0x14
134 #define CC_WR_CONFIG 0x1d
135 #define CC_RD_CONFIG 0x24
136 # define CC_CONFIG_TIMERS_OFF (1 << 3)
137 # define CC_CONFIG_DMA_PAUSE (1 << 2)
138 # define CC_CONFIG_TIMER_SUSPEND (1 << 1)
139 # define CC_SET_FLASH_INFO_PAGE (1 << 0)
141 #define CC_GET_PC 0x28
142 #define CC_READ_STATUS 0x34
143 # define CC_STATUS_CHIP_ERASE_DONE (1 << 7)
144 # define CC_STATUS_PCON_IDLE (1 << 6)
145 # define CC_STATUS_CPU_HALTED (1 << 5)
146 # define CC_STATUS_POWER_MODE_0 (1 << 4)
147 # define CC_STATUS_HALT_STATUS (1 << 3)
148 # define CC_STATUS_DEBUG_LOCKED (1 << 2)
149 # define CC_STATUS_OSCILLATOR_STABLE (1 << 1)
150 # define CC_STATUS_STACK_OVERFLOW (1 << 0)
152 #define CC_SET_HW_BRKPNT 0x3b
153 # define CC_HW_BRKPNT_N(n) ((n) << 3)
154 # define CC_HW_BRKPNT_N_MASK (0x3 << 3)
155 # define CC_HW_BRKPNT_ENABLE (1 << 2)
158 #define CC_RESUME 0x4c
159 #define CC_DEBUG_INSTR(n) (0x54|(n))
160 #define CC_STEP_INSTR 0x5c
161 #define CC_STEP_REPLACE(n) (0x64|(n))
162 #define CC_GET_CHIP_ID 0x68
164 #define CC_DEBUG_BITBANG 0x00000001
165 #define CC_DEBUG_COMMAND 0x00000002
166 #define CC_DEBUG_INSTRUCTIONS 0x00000004
168 /* ccdbg-command.c */
170 ccdbg_debug_mode(struct ccdbg *dbg);
173 ccdbg_reset(struct ccdbg *dbg);
176 ccdbg_chip_erase(struct ccdbg *dbg);
179 ccdbg_wr_config(struct ccdbg *dbg, uint8_t config);
182 ccdbg_rd_config(struct ccdbg *dbg);
185 ccdbg_get_pc(struct ccdbg *dbg);
188 ccdbg_read_status(struct ccdbg *dbg);
191 ccdbg_set_hw_brkpnt(struct ccdbg *dbg, uint8_t number, uint8_t enable, uint16_t addr);
194 ccdbg_halt(struct ccdbg *dbg);
197 ccdbg_resume(struct ccdbg *dbg);
200 ccdbg_debug_instr(struct ccdbg *dbg, uint8_t *instr, int nbytes);
203 ccdbg_step_instr(struct ccdbg *dbg);
206 ccdbg_step_replace(struct ccdbg *dbg, uint8_t *instr, int nbytes);
209 ccdbg_get_chip_id(struct ccdbg *dbg);
212 ccdbg_execute(struct ccdbg *dbg, uint8_t *inst);
215 ccdbg_set_pc(struct ccdbg *dbg, uint16_t pc);
218 ccdbg_execute_hex_image(struct ccdbg *dbg, struct hex_image *image);
222 ccdbg_debug(int level, char *format, ...);
225 ccdbg_add_debug(int level);
228 ccdbg_clear_debug(int level);
232 ccdbg_flash_hex_image(struct ccdbg *dbg, struct hex_image *image);
236 ccdbg_hex_file_read(FILE *file, char *name);
239 ccdbg_hex_file_free(struct hex_file *hex);
242 ccdbg_hex_image_create(struct hex_file *hex);
245 ccdbg_hex_image_free(struct hex_image *image);
248 ccdbg_hex_image_equal(struct hex_image *a, struct hex_image *b);
252 ccdbg_half_clock(struct ccdbg *dbg);
255 ccdbg_write(struct ccdbg *dbg, uint8_t mask, uint8_t value);
258 ccdbg_read(struct ccdbg *dbg);
261 ccdbg_open(char *file);
264 ccdbg_close(struct ccdbg *dbg);
267 ccdbg_clock_1_0(struct ccdbg *dbg);
270 ccdbg_clock_0_1(struct ccdbg *dbg);
273 ccdbg_write_bit(struct ccdbg *dbg, uint8_t bit);
276 ccdbg_write_byte(struct ccdbg *dbg, uint8_t byte);
279 ccdbg_read_bit(struct ccdbg *dbg);
282 ccdbg_read_byte(struct ccdbg *dbg);
285 ccdbg_cmd_write(struct ccdbg *dbg, uint8_t cmd, uint8_t *data, int len);
288 ccdbg_cmd_write_read8(struct ccdbg *dbg, uint8_t cmd, uint8_t *data, int len);
291 ccdbg_cmd_write_read16(struct ccdbg *dbg, uint8_t cmd, uint8_t *data, int len);
294 ccdbg_send(struct ccdbg *dbg, uint8_t mask, uint8_t set);
297 ccdbg_send_bit(struct ccdbg *dbg, uint8_t bit);
300 ccdbg_send_byte(struct ccdbg *dbg, uint8_t byte);
303 ccdbg_send_bytes(struct ccdbg *dbg, uint8_t *bytes, int nbytes);
306 ccdbg_recv_bit(struct ccdbg *dbg, int first);
309 ccdbg_recv_byte(struct ccdbg *dbg, int first);
312 ccdbg_recv_bytes(struct ccdbg *dbg, uint8_t *bytes, int nbytes);
315 ccdbg_print(char *format, uint8_t mask, uint8_t set);
320 ccdbg_manual(struct ccdbg *dbg, FILE *input);
324 ccdbg_write_memory(struct ccdbg *dbg, uint16_t addr, uint8_t *bytes, int nbytes);
327 ccdbg_read_memory(struct ccdbg *dbg, uint16_t addr, uint8_t *bytes, int nbytes);
330 ccdbg_write_uint8(struct ccdbg *dbg, uint16_t addr, uint8_t byte);
333 ccdbg_write_hex_image(struct ccdbg *dbg, struct hex_image *image, uint16_t offset);
336 ccdbg_read_hex_image(struct ccdbg *dbg, uint16_t address, uint16_t length);
340 cp_usb_init(struct ccdbg *dbg);
343 cp_usb_fini(struct ccdbg *dbg);
346 cp_usb_write(struct ccdbg *dbg, uint8_t mask, uint8_t value);
349 cp_usb_read(struct ccdbg *dbg);
351 #endif /* _CCDBG_H_ */