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>
35 #define CC_DATA CP2101_GPIO_MASK(0)
36 #define CC_CLOCK CP2101_GPIO_MASK(1)
37 #define CC_RESET_N CP2101_GPIO_MASK(2)
39 /* painfully slow for now */
40 #define CC_CLOCK_US (1000 * 1000)
50 #define CC_CHIP_ERASE 0x14
52 #define CC_WR_CONFIG 0x1d
53 #define CC_RD_CONFIG 0x24
54 # define CC_CONFIG_TIMERS_OFF (1 << 3)
55 # define CC_CONFIG_DMA_PAUSE (1 << 2)
56 # define CC_CONFIG_TIMER_SUSPEND (1 << 1)
57 # define CC_SET_FLASH_INFO_PAGE (1 << 0)
59 #define CC_GET_PC 0x28
60 #define CC_READ_STATUS 0x34
61 # define CC_STATUS_CHIP_ERASE_DONE (1 << 7)
62 # define CC_STATUS_PCON_IDLE (1 << 6)
63 # define CC_STATUS_CPU_HALTED (1 << 5)
64 # define CC_STATUS_POWER_MODE_0 (1 << 4)
65 # define CC_STATUS_HALT_STATUS (1 << 3)
66 # define CC_STATUS_DEBUG_LOCKED (1 << 2)
67 # define CC_STATUS_OSCILLATOR_STABLE (1 << 1)
68 # define CC_STATUS_STACK_OVERFLOW (1 << 0)
70 #define CC_SET_HW_BRKPNT 0x3b
71 # define CC_HW_BRKPNT_N(n) ((n) << 3)
72 # define CC_HW_BRKPNT_N_MASK (0x3 << 3)
73 # define CC_HW_BRKPNT_ENABLE (1 << 2)
76 #define CC_RESUME 0x4c
77 #define CC_DEBUG_INSTR(n) (0x54|(n))
78 #define CC_STEP_INSTR 0x5c
79 #define CC_STEP_REPLACE (0x64|(n))
80 #define CC_GET_CHIP_ID 0x68
84 ccdbg_reset(struct ccdbg *dbg);
87 ccdbg_read_status(struct ccdbg *dbg);
90 ccdbg_rd_config(struct ccdbg *dbg);
94 ccdbg_quarter_clock(struct ccdbg *dbg);
97 ccdbg_open(char *file);
100 ccdbg_close(struct ccdbg *dbg);
103 ccdbg_clock_1_0(struct ccdbg *dbg);
106 ccdbg_clock_0_1(struct ccdbg *dbg);
109 ccdbg_write_bit(struct ccdbg *dbg, uint8_t bit);
112 ccdbg_write_byte(struct ccdbg *dbg, uint8_t byte);
115 ccdbg_read_bit(struct ccdbg *dbg);
118 ccdbg_read_byte(struct ccdbg *dbg);
121 ccdbg_cmd_write(struct ccdbg *dbg, uint8_t cmd, uint8_t *data, int len);
124 ccdbg_cmd_write_read8(struct ccdbg *dbg, uint8_t cmd, uint8_t *data, int len);
127 ccdbg_cmd_write_read16(struct ccdbg *dbg, uint8_t cmd, uint8_t *data, int len);
129 #endif /* _CCDBG_H_ */