diff options
| -rw-r--r-- | doc/openocd.texi | 1 | ||||
| -rw-r--r-- | src/jtag/drivers/ft2232.c | 103 | ||||
| -rw-r--r-- | tcl/board/redbee-econotag.cfg | 8 |
3 files changed, 112 insertions, 0 deletions
diff --git a/doc/openocd.texi b/doc/openocd.texi index aa8bed1b..c6113abd 100644 --- a/doc/openocd.texi +++ b/doc/openocd.texi @@ -2130,6 +2130,7 @@ to debug some other target. It can support the SWO trace mechanism. @item @b{olimex-jtag} Olimex ARM-USB-OCD and ARM-USB-Tiny @item @b{oocdlink} OOCDLink @c oocdlink ~= jtagkey_prototype_v1 +@item @b{redbee-econotag} Integrated with a Redbee development board. @item @b{sheevaplug} Marvell Sheevaplug development kit @item @b{signalyzer} Xverve Signalyzer @item @b{stm32stick} Hitex STM32 Performance Stick diff --git a/src/jtag/drivers/ft2232.c b/src/jtag/drivers/ft2232.c index 5c6b655c..d2e96d07 100644 --- a/src/jtag/drivers/ft2232.c +++ b/src/jtag/drivers/ft2232.c @@ -162,6 +162,7 @@ static int icebear_jtag_init(void); static int cortino_jtag_init(void); static int signalyzer_h_init(void); static int ktlink_init(void); +static int redbee_init(void); /* reset procedures for supported layouts */ static void usbjtag_reset(int trst, int srst); @@ -176,6 +177,7 @@ static void sheevaplug_reset(int trst, int srst); static void icebear_jtag_reset(int trst, int srst); static void signalyzer_h_reset(int trst, int srst); static void ktlink_reset(int trst, int srst); +static void redbee_reset(int trst, int srst); /* blink procedures for layouts that support a blinking led */ static void olimex_jtag_blink(void); @@ -263,6 +265,10 @@ static const struct ft2232_layout ft2232_layouts[] = .reset = ktlink_reset, .blink = ktlink_blink }, + { .name = "redbee-econotag", + .init = redbee_init, + .reset = redbee_reset, + }, { .name = NULL, /* END OF TABLE */ }, }; @@ -1577,6 +1583,36 @@ static void sheevaplug_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); } +static void redbee_reset(int trst, int srst) +{ + if (trst == 1) + { + tap_set_state(TAP_RESET); + 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_write(0x82); + buffer_write(high_output); + buffer_write(high_direction); + LOG_DEBUG("trst: %i, srst: %i, high_output: 0x%2.2x, " + "high_direction: 0x%2.2x", trst, srst, high_output, + high_direction); +} + static int ft2232_execute_runtest(struct jtag_command *cmd) { int retval; @@ -2478,6 +2514,73 @@ static int axm0432_jtag_init(void) return ERROR_OK; } +static int redbee_init(void) +{ + uint8_t buf[3]; + uint32_t bytes_written; + + low_output = 0x08; + low_direction = 0x2b; + + /* initialize low byte for jtag */ + /* command "set data bits low byte" */ + buf[0] = 0x80; + /* value (TMS = 1,TCK = 0, TDI = 0, nOE = 0) */ + buf[2] = low_direction; + /* dir (output = 1), TCK/TDI/TMS = out, TDO = in, nOE = out */ + buf[1] = low_output; + 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 'redbee' layout"); + return ERROR_JTAG_INIT_FAILED; + } + + nTRST = 0x08; + nTRSTnOE = 0x0; /* No output enable for TRST*/ + nSRST = 0x04; + nSRSTnOE = 0x0; /* No output enable for SRST*/ + + high_output = 0x0; + high_direction = 0x0c; + + enum reset_types jtag_reset_config = jtag_get_reset_config(); + if (jtag_reset_config & RESET_TRST_OPEN_DRAIN) + { + LOG_ERROR("can't set nTRSTOE to push-pull on redbee"); + } + else + { + high_output |= nTRST; + } + + if (jtag_reset_config & RESET_SRST_PUSH_PULL) + { + LOG_ERROR("can't set nSRST to push-pull on redbee"); + } + 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 'redbee' layout"); + return ERROR_JTAG_INIT_FAILED; + } + + return ERROR_OK; +} + static int jtagkey_init(void) { uint8_t buf[3]; diff --git a/tcl/board/redbee-econotag.cfg b/tcl/board/redbee-econotag.cfg new file mode 100644 index 00000000..7a02ce0d --- /dev/null +++ b/tcl/board/redbee-econotag.cfg @@ -0,0 +1,8 @@ +source [find target/mc13224v.cfg] + +# The redbee-econotag has an onboard ft2232h with channel A wired +# to the JTAG pins on the mc13224v +# channel B is wired to UART1 +interface ft2232 +ft2232_layout redbee-econotag +ft2232_vid_pid 0x0403 0x6010 |