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Added minimodule (ftdi) interface

This commit is contained in:
Rodrigo L. Rosa 2011-06-10 12:19:32 -07:00 committed by Øyvind Harboe
parent e899fcaca0
commit 56d3927abf
1 changed files with 55 additions and 0 deletions
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55
src/jtag/drivers/ft2232.c
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@ -177,6 +177,7 @@ static int lm3s811_jtag_init(void);
static int icdi_jtag_init(void); static int icdi_jtag_init(void);
static int olimex_jtag_init(void); static int olimex_jtag_init(void);
static int flyswatter_init(void); static int flyswatter_init(void);
static int minimodule_init(void);
static int turtle_init(void); static int turtle_init(void);
static int comstick_init(void); static int comstick_init(void);
static int stm32stick_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 jtagkey_reset(int trst, int srst);
static void olimex_jtag_reset(int trst, int srst); static void olimex_jtag_reset(int trst, int srst);
static void flyswatter_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 turtle_reset(int trst, int srst);
static void comstick_reset(int trst, int srst); static void comstick_reset(int trst, int srst);
static void stm32stick_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, .reset = flyswatter_reset,
.blink = flyswatter_jtag_blink .blink = flyswatter_jtag_blink
}, },
{ .name = "minimodule",
.init = minimodule_init,
.reset = minimodule_reset,
},
{ .name = "turtelizer2", { .name = "turtelizer2",
.init = turtle_init, .init = turtle_init,
.reset = turtle_reset, .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); 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) static void turtle_reset(int trst, int srst)
{ {
trst = trst; trst = trst;
@ -2900,6 +2924,37 @@ static int flyswatter_init(void)
return ERROR_OK; 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) static int turtle_init(void)
{ {
low_output = 0x08; low_output = 0x08;