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| author | Rodrigo L. Rosa <rodrigorosa.lg@gmail.com> | 2011-06-10 12:19:32 -0700 |
|---|---|---|
| committer | Øyvind Harboe <oyvind.harboe@zylin.com> | 2011-06-12 11:18:27 +0200 |
| commit | 56d3927abf2d2c6c49f3ae6ad6c2f353168d5a60 (patch) | |
| tree | b1cb4ab373c66bd22813a33af63d7efac256b725 /src/jtag | |
| parent | e899fcaca0d207eadea569b9dd9b2d54afafcfd4 (diff) | |
| download | openocd+libswd-56d3927abf2d2c6c49f3ae6ad6c2f353168d5a60.tar.gz openocd+libswd-56d3927abf2d2c6c49f3ae6ad6c2f353168d5a60.tar.bz2 openocd+libswd-56d3927abf2d2c6c49f3ae6ad6c2f353168d5a60.tar.xz openocd+libswd-56d3927abf2d2c6c49f3ae6ad6c2f353168d5a60.zip | |
Added minimodule (ftdi) interface
Diffstat (limited to 'src/jtag')
| -rw-r--r-- | src/jtag/drivers/ft2232.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/src/jtag/drivers/ft2232.c b/src/jtag/drivers/ft2232.c index 8c2382a1..7c283278 100644 --- a/src/jtag/drivers/ft2232.c +++ b/src/jtag/drivers/ft2232.c @@ -177,6 +177,7 @@ static int lm3s811_jtag_init(void); static int icdi_jtag_init(void); static int olimex_jtag_init(void); static int flyswatter_init(void); +static int minimodule_init(void); static int turtle_init(void); static int comstick_init(void); static int stm32stick_init(void); @@ -197,6 +198,7 @@ static void ftx23_reset(int trst, int srst); static void jtagkey_reset(int trst, int srst); static void olimex_jtag_reset(int trst, int srst); static void flyswatter_reset(int trst, int srst); +static void minimodule_reset(int trst, int srst); static void turtle_reset(int trst, int srst); static void comstick_reset(int trst, int srst); static void stm32stick_reset(int trst, int srst); @@ -261,6 +263,10 @@ static const struct ft2232_layout ft2232_layouts[] = .reset = flyswatter_reset, .blink = flyswatter_jtag_blink }, + { .name = "minimodule", + .init = minimodule_init, + .reset = minimodule_reset, + }, { .name = "turtelizer2", .init = turtle_init, .reset = turtle_reset, @@ -1565,6 +1571,24 @@ static void flyswatter_reset(int trst, int srst) LOG_DEBUG("trst: %i, srst: %i, low_output: 0x%2.2x, low_direction: 0x%2.2x", trst, srst, low_output, low_direction); } +static void minimodule_reset(int trst, int srst) +{ + if (srst == 1) + { + low_output &= ~nSRST; + } + else if (srst == 0) + { + low_output |= nSRST; + } + + /* command "set data bits low byte" */ + buffer_write(0x80); + buffer_write(low_output); + buffer_write(low_direction); + LOG_DEBUG("trst: %i, srst: %i, low_output: 0x%2.2x, low_direction: 0x%2.2x", trst, srst, low_output, low_direction); +} + static void turtle_reset(int trst, int srst) { trst = trst; @@ -2900,6 +2924,37 @@ static int flyswatter_init(void) return ERROR_OK; } +static int minimodule_init(void) +{ + low_output = 0x18;//check if srst should be 1 or 0 initially. (0x08) (flyswatter was 0x18) + low_direction = 0xfb;//0xfb; + + /* initialize low byte for jtag */ + if (ft2232_set_data_bits_low_byte(low_output,low_direction) != ERROR_OK) + { + LOG_ERROR("couldn't initialize FT2232 with 'minimodule' layout"); + return ERROR_JTAG_INIT_FAILED; + } + + + nSRST = 0x20; + + high_output = 0x00; + high_direction = 0x05; + + /* turn red LED3 on, LED2 off */ + //high_output |= 0x08; + + /* initialize high byte for jtag */ + if (ft2232_set_data_bits_high_byte(high_output,high_direction) != ERROR_OK) + { + LOG_ERROR("couldn't initialize FT2232 with 'minimodule' layout"); + return ERROR_JTAG_INIT_FAILED; + } + + return ERROR_OK; +} + static int turtle_init(void) { low_output = 0x08; |