diff options
| author | Keith Packard <keithp@keithp.com> | 2008-11-28 22:57:07 -0800 |
|---|---|---|
| committer | Keith Packard <keithp@keithp.com> | 2008-11-28 22:57:07 -0800 |
| commit | 39801e6e9fb9388072ee414a447f74095a6ac960 (patch) | |
| tree | f777ceba4c832a0bdc1a811c39109e5710a36729 /ccdbg-command.c | |
| parent | 01cb2799875e086ee6096627c058ee235bbc33d5 (diff) | |
Random hacking
Diffstat (limited to 'ccdbg-command.c')
| -rw-r--r-- | ccdbg-command.c | 27 |
1 files changed, 21 insertions, 6 deletions
diff --git a/ccdbg-command.c b/ccdbg-command.c index 3e42d48e..a0a12d9d 100644 --- a/ccdbg-command.c +++ b/ccdbg-command.c @@ -19,14 +19,22 @@ #include "ccdbg.h" void -ccdbg_reset(struct ccdbg *dbg) +ccdbg_debug_mode(struct ccdbg *dbg) { /* force two rising clocks while holding RESET_N low */ - ccdbg_clock_1_0(dbg); - cccp_write(dbg, CC_RESET_N, 0); - ccdbg_clock_0_1(dbg); - ccdbg_clock_1_0(dbg); - ccdbg_clock_0_1(dbg); + ccdbg_half_clock(dbg); + cccp_write(dbg, CC_RESET_N|CC_CLOCK, 0); ccdbg_half_clock(dbg); + cccp_write(dbg, CC_CLOCK, CC_CLOCK); ccdbg_half_clock(dbg); + cccp_write(dbg, CC_CLOCK, 0); ccdbg_half_clock(dbg); + cccp_write(dbg, CC_CLOCK, CC_CLOCK); ccdbg_half_clock(dbg); + cccp_write(dbg, CC_RESET_N, CC_RESET_N); ccdbg_half_clock(dbg); +} + +void +ccdbg_reset(struct ccdbg *dbg) +{ + ccdbg_half_clock(dbg); + cccp_write(dbg, CC_RESET_N, 0); ccdbg_half_clock(dbg); cccp_write(dbg, CC_RESET_N, CC_RESET_N); } @@ -41,3 +49,10 @@ ccdbg_rd_config(struct ccdbg *dbg) { return ccdbg_cmd_write_read8(dbg, CC_RD_CONFIG, NULL, 0); } + +uint16_t +ccdbg_get_chip_id(struct ccdbg *dbg) +{ + return ccdbg_cmd_write_read16(dbg, CC_GET_CHIP_ID, NULL, 0); +} + |