diff options
| -rw-r--r-- | doc/openocd.texi | 85 | ||||
| -rw-r--r-- | src/jtag/ft2232.c | 79 |
2 files changed, 164 insertions, 0 deletions
diff --git a/doc/openocd.texi b/doc/openocd.texi index 0f5bd916..95f17c00 100644 --- a/doc/openocd.texi +++ b/doc/openocd.texi @@ -356,6 +356,8 @@ Luminary Micro EVB_LM3S811 as a JTAG interface (not onboard processor), no TRST SRST signals on external connector @item comstick Hitex STR9 comstick +@item stm32stick +Hitex STM32 Performance Stick @end itemize @item @b{ft2232_vid_pid} <@var{vid}> <@var{pid}> @@ -1181,6 +1183,46 @@ working_area 0 0x50000000 16384 nobackup flash bank str9x 0x00000000 0x00080000 0 0 0 @end smallexample +@section STR912 comstick +@cindex STR912 comstick Script +The following script was used with a Hitex STR9 Comstick: +@smallexample +#daemon configuration +telnet_port 4444 +gdb_port 3333 + +#interface +interface ft2232 +ft2232_device_desc "STR9-comStick A" +ft2232_layout comstick +jtag_speed 1 + +jtag_nsrst_delay 100 +jtag_ntrst_delay 100 + +#use combined on interfaces or targets that can't set TRST/SRST separately +reset_config trst_and_srst + +#jtag scan chain +#format L IRC IRCM IDCODE (Length, IR Capture, IR Capture Mask, IDCODE) +jtag_device 8 0x1 0x1 0xfe +jtag_device 4 0x1 0xf 0xe +jtag_device 5 0x1 0x1 0x1e + +#target configuration +daemon_startup reset + +#target <type> <startup mode> +#target arm966e <endianness> <reset mode> <chainpos> <variant> +target arm966e little reset_halt 1 arm966e +run_and_halt_time 0 30 + +working_area 0 0x50000000 16384 nobackup + +#flash bank <driver> <base> <size> <chip_width> <bus_width> +flash bank str9x 0x00000000 0x00080000 0 0 0 +@end smallexample + @section STM32x Script @cindex STM32x Script The following script was used with an Amontec JTAGkey and a STM32x cpu: @@ -1194,7 +1236,49 @@ interface ft2232 ft2232_device_desc "Amontec JTAGkey A" ft2232_layout jtagkey jtag_speed 10 + +jtag_nsrst_delay 100 +jtag_ntrst_delay 100 + +#use combined on interfaces or targets that can't set TRST/SRST separately +reset_config trst_and_srst + +#jtag scan chain +#format L IRC IRCM IDCODE (Length, IR Capture, IR Capture Mask, IDCODE) +jtag_device 4 0x1 0xf 0xe +jtag_device 5 0x1 0x1 0x1e + +#target configuration +daemon_startup reset + +#target <type> <startup mode> +#target cortex_m3 <endianness> <reset mode> <chainpos> <variant> +target cortex_m3 little run_and_halt 0 +run_and_halt_time 0 30 + +working_area 0 0x20000000 16384 nobackup + +#flash bank <driver> <base> <size> <chip_width> <bus_width> +flash bank stm32x 0x08000000 0x00010000 0 0 0 +@end smallexample + +@section STM32x Performance Stick +@cindex STM32x Performance Stick Script +The following script was used with the Hitex STM32 Performance Stick +@smallexample +#daemon configuration +telnet_port 4444 +gdb_port 3333 +#interface +interface ft2232 +ft2232_device_desc "STM32-PerformanceStick A" +ft2232_layout stm32stick +jtag_speed 10 + +jtag_nsrst_delay 100 +jtag_ntrst_delay 100 + #use combined on interfaces or targets that can't set TRST/SRST separately reset_config trst_and_srst @@ -1202,6 +1286,7 @@ reset_config trst_and_srst #format L IRC IRCM IDCODE (Length, IR Capture, IR Capture Mask, IDCODE) jtag_device 4 0x1 0xf 0xe jtag_device 5 0x1 0x1 0x1e +jtag_device 4 0x1 0xf 0xe #target configuration daemon_startup reset diff --git a/src/jtag/ft2232.c b/src/jtag/ft2232.c index 137ea64b..201765cc 100644 --- a/src/jtag/ft2232.c +++ b/src/jtag/ft2232.c @@ -100,6 +100,7 @@ int olimex_jtag_init(void); int flyswatter_init(void); int turtle_init(void); int comstick_init(void); +int stm32stick_init(void); /* reset procedures for supported layouts */ void usbjtag_reset(int trst, int srst); @@ -108,6 +109,7 @@ void olimex_jtag_reset(int trst, int srst); 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); /* blink procedures for layouts that support a blinking led */ void olimex_jtag_blink(void); @@ -125,6 +127,7 @@ ft2232_layout_t ft2232_layouts[] = {"flyswatter", flyswatter_init, flyswatter_reset, NULL}, {"turtelizer2", turtle_init, turtle_reset, turtle_jtag_blink}, {"comstick", comstick_init, comstick_reset, NULL}, + {"stm32stick", stm32stick_init, stm32stick_reset, NULL}, {NULL, NULL, NULL}, }; @@ -1073,6 +1076,39 @@ void comstick_reset(int trst, int srst) DEBUG("trst: %i, srst: %i, high_output: 0x%2.2x, high_direction: 0x%2.2x", trst, srst, high_output, high_direction); } +void stm32stick_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) + { + low_output &= ~nSRST; + } + else if (srst == 0) + { + low_output |= nSRST; + } + + /* command "set data bits low byte" */ + BUFFER_ADD = 0x80; + BUFFER_ADD = low_output; + BUFFER_ADD = low_direction; + + /* command "set data bits high byte" */ + BUFFER_ADD = 0x82; + BUFFER_ADD = high_output; + BUFFER_ADD = high_direction; + DEBUG("trst: %i, srst: %i, high_output: 0x%2.2x, high_direction: 0x%2.2x", trst, srst, high_output, high_direction); +} + int ft2232_execute_queue() { jtag_command_t *cmd = jtag_command_queue; /* currently processed command */ @@ -1916,6 +1952,49 @@ int comstick_init(void) return ERROR_OK; } +int stm32stick_init(void) +{ + u8 buf[3]; + u32 bytes_written; + + low_output = 0x88; + low_direction = 0x8b; + + /* 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 */ + 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)) + { + ERROR("couldn't initialize FT2232 with 'stm32stick' layout"); + return ERROR_JTAG_INIT_FAILED; + } + + nTRST = 0x01; + nTRSTnOE = 0x00; /* no output enable for nTRST */ + nSRST = 0x80; + nSRSTnOE = 0x00; /* no output enable for nSRST */ + + high_output = 0x01; + high_direction = 0x03; + + /* initialize high port */ + buf[0] = 0x82; /* command "set data bits high byte" */ + buf[1] = high_output; + buf[2] = high_direction; + 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)) + { + ERROR("couldn't initialize FT2232 with 'stm32stick' layout"); + return ERROR_JTAG_INIT_FAILED; + } + + return ERROR_OK; +} + void olimex_jtag_blink(void) { /* Olimex ARM-USB-OCD has a LED connected to ACBUS3 |