diff options
Diffstat (limited to 'src/jtag/parport.c')
| -rw-r--r-- | src/jtag/parport.c | 93 |
1 files changed, 59 insertions, 34 deletions
diff --git a/src/jtag/parport.c b/src/jtag/parport.c index b9087d9f..b666eb12 100644 --- a/src/jtag/parport.c +++ b/src/jtag/parport.c @@ -90,20 +90,33 @@ typedef struct cable_s u8 OUTPUT_INVERT; /* data port bits that should be inverted */ u8 INPUT_INVERT; /* status port that should be inverted */ u8 PORT_INIT; /* initialize data port with this value */ + u8 PORT_EXIT; /* de-initialize data port with this value */ + u8 LED_MASK; /* data port bit for LED */ } cable_t; cable_t cables[] = { - /* name tdo trst tms tck tdi srst o_inv i_inv init */ - { "wiggler", 0x80, 0x10, 0x02, 0x04, 0x08, 0x01, 0x01, 0x80, 0x80 }, - { "wiggler_ntrst_inverted", 0x80, 0x10, 0x02, 0x04, 0x08, 0x01, 0x11, 0x80, 0x80 }, - { "old_amt_wiggler", 0x80, 0x01, 0x02, 0x04, 0x08, 0x10, 0x11, 0x80, 0x80 }, - { "chameleon", 0x80, 0x00, 0x04, 0x01, 0x02, 0x00, 0x00, 0x80, 0x00 }, - { "dlc5", 0x10, 0x00, 0x04, 0x02, 0x01, 0x00, 0x00, 0x00, 0x10 }, - { "triton", 0x80, 0x08, 0x04, 0x01, 0x02, 0x00, 0x00, 0x80, 0x00 }, - { "lattice", 0x40, 0x10, 0x04, 0x02, 0x01, 0x08, 0x00, 0x00, 0x18 }, - { "flashlink", 0x20, 0x10, 0x02, 0x01, 0x04, 0x20, 0x30, 0x20, 0x00 }, - { NULL, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } + /* name tdo trst tms tck tdi srst o_inv i_inv init exit led */ + { "wiggler", 0x80, 0x10, 0x02, 0x04, 0x08, 0x01, 0x01, 0x80, 0x80, 0x80, 0x00 }, + { "wiggler2", 0x80, 0x10, 0x02, 0x04, 0x08, 0x01, 0x01, 0x80, 0x80, 0x00, 0x20 }, + { "wiggler_ntrst_inverted", + 0x80, 0x10, 0x02, 0x04, 0x08, 0x01, 0x11, 0x80, 0x80, 0x80, 0x00 }, + { "old_amt_wiggler", 0x80, 0x01, 0x02, 0x04, 0x08, 0x10, 0x11, 0x80, 0x80, 0x80, 0x00 }, + { "chameleon", 0x80, 0x00, 0x04, 0x01, 0x02, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00 }, + { "dlc5", 0x10, 0x00, 0x04, 0x02, 0x01, 0x00, 0x00, 0x00, 0x10, 0x10, 0x00 }, + { "triton", 0x80, 0x08, 0x04, 0x01, 0x02, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00 }, + { "lattice", 0x40, 0x10, 0x04, 0x02, 0x01, 0x08, 0x00, 0x00, 0x18, 0x18, 0x00 }, + { "flashlink", 0x20, 0x10, 0x02, 0x01, 0x04, 0x20, 0x30, 0x20, 0x00, 0x00, 0x00 }, +/* Altium Universal JTAG cable. Set the cable to Xilinx Mode and wire to target as follows: + HARD TCK - Target TCK + HARD TMS - Target TMS + HARD TDI - Target TDI + HARD TDO - Target TDO + SOFT TCK - Target TRST + SOFT TDI - Target SRST +*/ + { "altium", 0x10, 0x20, 0x04, 0x02, 0x01, 0x80, 0x00, 0x00, 0x10, 0x00, 0x08 }, + { NULL, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } }; /* configuration */ @@ -127,6 +140,7 @@ static unsigned long statusport; int parport_read(void); void parport_write(int tck, int tms, int tdi); void parport_reset(int trst, int srst); +void parport_led(int on); int parport_speed(int speed); int parport_register_commands(struct command_context_s *cmd_ctx); @@ -155,7 +169,8 @@ bitbang_interface_t parport_bitbang = { .read = parport_read, .write = parport_write, - .reset = parport_reset + .reset = parport_reset, + .blink = parport_led }; int parport_read(void) @@ -174,9 +189,24 @@ int parport_read(void) return 0; } -void parport_write(int tck, int tms, int tdi) +static inline void parport_write_data(void) { u8 output; + output = dataport_value ^ cable->OUTPUT_INVERT; + +#if PARPORT_USE_PPDEV == 1 + ioctl(device_handle, PPWDATA, &output); +#else +#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) + outb(dataport, output); +#else + outb(output, dataport); +#endif +#endif +} + +void parport_write(int tck, int tms, int tdi) +{ int i = jtag_speed + 1; if (tck) @@ -194,24 +224,13 @@ void parport_write(int tck, int tms, int tdi) else dataport_value &= ~cable->TDI_MASK; - output = dataport_value ^ cable->OUTPUT_INVERT; - while (i-- > 0) -#if PARPORT_USE_PPDEV == 1 - ioctl(device_handle, PPWDATA, &output); -#else -#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) - outb(dataport, output); -#else - outb(output, dataport); -#endif -#endif + parport_write_data(); } /* (1) assert or (0) deassert reset lines */ void parport_reset(int trst, int srst) { - u8 output; DEBUG("trst: %i, srst: %i", trst, srst); if (trst == 0) @@ -224,18 +243,19 @@ void parport_reset(int trst, int srst) else if (srst == 1) dataport_value &= ~cable->SRST_MASK; - output = dataport_value ^ cable->OUTPUT_INVERT; + parport_write_data(); +} -#if PARPORT_USE_PPDEV == 1 - ioctl(device_handle, PPWDATA, &output); -#else -#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) - outb(dataport, output); -#else - outb(output, dataport); -#endif -#endif +/* turn LED on parport adapter on (1) or off (0) */ +void parport_led(int on) +{ + u8 output; + if (on) + dataport_value |= cable->LED_MASK; + else + dataport_value &= ~cable->LED_MASK; + parport_write_data(); } int parport_speed(int speed) @@ -400,6 +420,7 @@ int parport_init(void) parport_reset(0, 0); parport_write(0, 0, 0); + parport_led(1); bitbang_interface = &parport_bitbang; @@ -408,7 +429,11 @@ int parport_init(void) int parport_quit(void) { + u8 output; + parport_led(0); + dataport_value = cable->PORT_EXIT; + parport_write_data(); return ERROR_OK; } |