X-Git-Url: https://review.openocd.org/gitweb?a=blobdiff_plain;f=src%2Fjtag%2Fft2232.c;h=b0c1c35c72af84f310981147acf896061c651f0a;hb=d6ed10a0023b8885c1ead022393eb5afe0208374;hp=6754d9aad8e8c8873e6edc0f145f2ddc7ffff3af;hpb=ccc2e3fe760a425f831b9e1f0e143d7d01d73a25;p=openocd.git diff --git a/src/jtag/ft2232.c b/src/jtag/ft2232.c index 6754d9aad8..b0c1c35c72 100644 --- a/src/jtag/ft2232.c +++ b/src/jtag/ft2232.c @@ -102,6 +102,7 @@ int flyswatter_init(void); int turtle_init(void); int comstick_init(void); int stm32stick_init(void); +int axm0432_jtag_init(void); /* reset procedures for supported layouts */ void usbjtag_reset(int trst, int srst); @@ -111,6 +112,7 @@ void flyswatter_reset(int trst, int srst); void turtle_reset(int trst, int srst); void comstick_reset(int trst, int srst); void stm32stick_reset(int trst, int srst); +void axm0432_jtag_reset(int trst, int srst); /* blink procedures for layouts that support a blinking led */ void olimex_jtag_blink(void); @@ -129,6 +131,7 @@ ft2232_layout_t ft2232_layouts[] = {"turtelizer2", turtle_init, turtle_reset, turtle_jtag_blink}, {"comstick", comstick_init, comstick_reset, NULL}, {"stm32stick", stm32stick_init, stm32stick_reset, NULL}, + {"axm0432_jtag", axm0432_jtag_init, axm0432_jtag_reset, NULL}, {NULL, NULL, NULL}, }; @@ -316,15 +319,15 @@ int ft2232_khz(int khz, int *jtag_speed) int ft2232_register_commands(struct command_context_s *cmd_ctx) { register_command(cmd_ctx, NULL, "ft2232_device_desc", ft2232_handle_device_desc_command, - COMMAND_CONFIG, NULL); + COMMAND_CONFIG, "the USB device description of the FTDI FT2232 device"); register_command(cmd_ctx, NULL, "ft2232_serial", ft2232_handle_serial_command, - COMMAND_CONFIG, NULL); + COMMAND_CONFIG, "the serial number of the FTDI FT2232 device"); register_command(cmd_ctx, NULL, "ft2232_layout", ft2232_handle_layout_command, - COMMAND_CONFIG, NULL); + COMMAND_CONFIG, "the layout of the FT2232 GPIO signals used to control output-enables and reset signals"); register_command(cmd_ctx, NULL, "ft2232_vid_pid", ft2232_handle_vid_pid_command, - COMMAND_CONFIG, NULL); + COMMAND_CONFIG, "the vendor ID and product ID of the FTDI FT2232 device"); register_command(cmd_ctx, NULL, "ft2232_latency", ft2232_handle_latency_command, - COMMAND_CONFIG, NULL); + COMMAND_CONFIG, "set the FT2232 latency timer to a new value"); return ERROR_OK; } @@ -1045,6 +1048,34 @@ void olimex_jtag_reset(int trst, int srst) LOG_DEBUG("trst: %i, srst: %i, high_output: 0x%2.2x, high_direction: 0x%2.2x", trst, srst, high_output, high_direction); } +void axm0432_jtag_reset(int trst, int srst) +{ + if (trst == 1) + { + cur_state = TAP_TLR; + high_output &= ~nTRST; + } + else if (trst == 0) + { + high_output |= nTRST; + } + + if (srst == 1) + { + high_output &= ~nSRST; + } + else if (srst == 0) + { + high_output |= nSRST; + } + + /* command "set data bits low byte" */ + BUFFER_ADD = 0x82; + BUFFER_ADD = high_output; + BUFFER_ADD = high_direction; + LOG_DEBUG("trst: %i, srst: %i, high_output: 0x%2.2x, high_direction: 0x%2.2x", trst, srst, high_output, high_direction); +} + void flyswatter_reset(int trst, int srst) { if (trst == 1) @@ -1378,15 +1409,13 @@ static int ft2232_init_ftd2xx(u16 vid, u16 pid, int more, int *try_more) char *openex_string = NULL; u8 latency_timer; - LOG_DEBUG("'ft2232' interface using FTD2XX with '%s' layout (%4.4x:%4.4x)", - ft2232_layout, vid, pid); + LOG_DEBUG("'ft2232' interface using FTD2XX with '%s' layout (%4.4x:%4.4x)",ft2232_layout, vid, pid); #if IS_WIN32 == 0 /* Add non-standard Vid/Pid to the linux driver */ if ((status = FT_SetVIDPID(vid, pid)) != FT_OK) { - LOG_WARNING("couldn't add %4.4x:%4.4x", - vid, pid); + LOG_WARNING("couldn't add %4.4x:%4.4x", vid, pid); } #endif @@ -1419,8 +1448,7 @@ static int ft2232_init_ftd2xx(u16 vid, u16 pid, int more, int *try_more) DWORD num_devices; if (more) { - LOG_WARNING("unable to open ftdi device (trying more): %lu", - status); + LOG_WARNING("unable to open ftdi device (trying more): %lu", status); *try_more = 1; return ERROR_JTAG_INIT_FAILED; } @@ -1722,6 +1750,75 @@ int usbjtag_init(void) return ERROR_OK; } +int axm0432_jtag_init(void) +{ + u8 buf[3]; + u32 bytes_written; + + low_output = 0x08; + low_direction = 0x2b; + + /* initialize low byte for jtag */ + buf[0] = 0x80; /* command "set data bits low byte" */ + buf[1] = low_output; /* value (TMS=1,TCK=0, TDI=0, nOE=0) */ + buf[2] = low_direction; /* dir (output=1), TCK/TDI/TMS=out, TDO=in, nOE=out */ + LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]); + + if (((ft2232_write(buf, 3, &bytes_written)) != ERROR_OK) || (bytes_written != 3)) + { + LOG_ERROR("couldn't initialize FT2232 with 'JTAGkey' layout"); + return ERROR_JTAG_INIT_FAILED; + } + + if (strcmp(layout->name, "axm0432_jtag") == 0) + { + nTRST = 0x08; + nTRSTnOE = 0x0; /* No output enable for TRST*/ + nSRST = 0x04; + nSRSTnOE = 0x0; /* No output enable for SRST*/ + } + else + { + LOG_ERROR("BUG: axm0432_jtag_init called for non axm0432 layout"); + exit(-1); + } + + high_output = 0x0; + high_direction = 0x0c; + + if (jtag_reset_config & RESET_TRST_OPEN_DRAIN) + { + LOG_ERROR("can't set nTRSTOE to push-pull on the Dicarlo jtag"); + } + else + { + high_output |= nTRST; + } + + if (jtag_reset_config & RESET_SRST_PUSH_PULL) + { + LOG_ERROR("can't set nSRST to push-pull on the Dicarlo jtag"); + } + else + { + high_output |= nSRST; + } + + /* initialize high port */ + buf[0] = 0x82; /* command "set data bits high byte" */ + buf[1] = high_output; /* value */ + buf[2] = high_direction; /* all outputs (xRST and xRSTnOE) */ + LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]); + + if (((ft2232_write(buf, 3, &bytes_written)) != ERROR_OK) || (bytes_written != 3)) + { + LOG_ERROR("couldn't initialize FT2232 with 'Dicarlo' layout"); + return ERROR_JTAG_INIT_FAILED; + } + + return ERROR_OK; +} + int jtagkey_init(void) { u8 buf[3]; @@ -1936,7 +2033,7 @@ int turtle_init(void) } nSRST = 0x40; - + high_output = 0x00; high_direction = 0x0C; @@ -1979,7 +2076,7 @@ int comstick_init(void) nTRSTnOE = 0x00; /* no output enable for nTRST */ nSRST = 0x02; nSRSTnOE = 0x00; /* no output enable for nSRST */ - + high_output = 0x03; high_direction = 0x03; @@ -2022,7 +2119,7 @@ int stm32stick_init(void) nTRSTnOE = 0x00; /* no output enable for nTRST */ nSRST = 0x80; nSRSTnOE = 0x00; /* no output enable for nSRST */ - + high_output = 0x01; high_direction = 0x03;