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- add support for cortino jtag interface

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git-svn-id: svn://svn.berlios.de/openocd/trunk@1925 b42882b7-edfa-0310-969c-e2dbd0fdcd60
This commit is contained in:
ntfreak
2009-05-27 11:58:19 +00:00
parent edab91e576
commit ff2737b429
3 changed files with 61 additions and 1 deletions
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src/jtag/ft2232.c
+46 -1
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@@ -124,6 +124,7 @@ static int stm32stick_init(void);
static int axm0432_jtag_init(void);
static int sheevaplug_init(void);
static int icebear_jtag_init(void);
static int cortino_jtag_init(void);
/* reset procedures for supported layouts */
static void usbjtag_reset(int trst, int srst);
@@ -156,8 +157,9 @@ ft2232_layout_t ft2232_layouts[] =
{ "comstick", comstick_init, comstick_reset, NULL },
{ "stm32stick", stm32stick_init, stm32stick_reset, NULL },
{ "axm0432_jtag", axm0432_jtag_init, axm0432_jtag_reset, NULL },
{"sheevaplug", sheevaplug_init, sheevaplug_reset, NULL },
{ "sheevaplug", sheevaplug_init, sheevaplug_reset, NULL },
{ "icebear", icebear_jtag_init, icebear_jtag_reset, NULL },
{ "cortino", cortino_jtag_init, comstick_reset, NULL },
{ NULL, NULL, NULL, NULL },
};
@@ -2576,6 +2578,49 @@ static int sheevaplug_init(void)
return ERROR_OK;
}
static int cortino_jtag_init(void)
{
u8 buf[3];
u32 bytes_written;
low_output = 0x08;
low_direction = 0x1b;
/* 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 'cortino' layout");
return ERROR_JTAG_INIT_FAILED;
}
nTRST = 0x01;
nTRSTnOE = 0x00; /* no output enable for nTRST */
nSRST = 0x02;
nSRSTnOE = 0x00; /* no output enable for nSRST */
high_output = 0x03;
high_direction = 0x03;
/* initialize high port */
buf[0] = 0x82; /* command "set data bits high byte" */
buf[1] = high_output;
buf[2] = high_direction;
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 'stm32stick' layout");
return ERROR_JTAG_INIT_FAILED;
}
return ERROR_OK;
}
static void olimex_jtag_blink(void)
{
/* Olimex ARM-USB-OCD has a LED connected to ACBUS3