Hi Spencer,
On Thu, Dec 11, 2008 at 12:13 PM, Spencer Oliver <[EMAIL PROTECTED]> wrote:
>
>> Yes, we can prove this source code to you.
s/prove/provide :-)
> Do you work for freescale?
>
Yes, just a newcomer ;-)
> They have also added a new target - target dsp56374
>
Hmm, I am not from DSP division, but AXM0432 layout was developed by a
DSP division engineer.
> Here is my last reply from Freescale support:
>
> ====================================
> In reply to your Service Request SR 1-516314907:
>
> Unfortunately, the source code of openocd.exe is confidential, I can not
> give you the source code.
> Sorry for not helping you.
> ====================================
>
> Quite amusing really
>
Please ignore it!
Find attached a patch to add axm0432 layout, this source code was
developed by DSP team.
Please let me know if it works to soundbite boards since it uses the
same layout.
> Cheers
> Spen
>
>
Best Regards,
Alan
--- a/src/jtag/ft2232.c 2008-11-01 14:48:20.000000000 +0000
+++ b/src/jtag/ft2232.c 2008-12-11 13:24:43.000000000 +0000
@@ -102,6 +102,7 @@
int turtle_init(void);
int comstick_init(void);
int stm32stick_init(void);
+int axm0432_jtag_init(void);
/* reset procedures for supported layouts */
void usbjtag_reset(int trst, int srst);
@@ -111,6 +112,8 @@
void turtle_reset(int trst, int srst);
void comstick_reset(int trst, int srst);
void stm32stick_reset(int trst, int srst);
+void axm0432_jtag_reset(int trst, int srst);
+
/* blink procedures for layouts that support a blinking led */
void olimex_jtag_blink(void);
@@ -129,6 +132,7 @@
{"turtelizer2", turtle_init, turtle_reset, turtle_jtag_blink},
{"comstick", comstick_init, comstick_reset, NULL},
{"stm32stick", stm32stick_init, stm32stick_reset, NULL},
+ {"axm0432_jtag", axm0432_jtag_init, axm0432_jtag_reset, NULL},
{NULL, NULL, NULL},
};
@@ -1045,6 +1049,38 @@
LOG_DEBUG("trst: %i, srst: %i, high_output: 0x%2.2x, high_direction: 0x%2.2x", trst, srst, high_output, high_direction);
}
+
+void axm0432_jtag_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)
+ {
+ high_output &= ~nSRST;
+ }
+ else if (srst == 0)
+ {
+ high_output |= nSRST;
+ }
+
+ /* command "set data bits low byte" */
+ BUFFER_ADD = 0x82;
+ BUFFER_ADD = high_output;
+ BUFFER_ADD = high_direction;
+ LOG_DEBUG("trst: %i, srst: %i, high_output: 0x%2.2x, high_direction: 0x%2.2x", trst, srst, high_output, high_direction);
+}
+
+
+
+
void flyswatter_reset(int trst, int srst)
{
if (trst == 1)
@@ -1722,6 +1758,82 @@
return ERROR_OK;
}
+
+int axm0432_jtag_init(void)
+{
+ u8 buf[3];
+ u8 buf_read[1];
+ u32 bytes_written;
+ u32 bytes_read;
+
+ low_output = 0x08;
+ low_direction = 0x2b;
+
+ /* 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 'JTAGkey' layout");
+ return ERROR_JTAG_INIT_FAILED;
+ }
+
+
+ if (strcmp(layout->name, "axm0432_jtag") == 0)
+ {
+ nTRST = 0x08;
+ nTRSTnOE = 0x0; /* No output enable for TRST*/
+ nSRST = 0x04;
+ nSRSTnOE = 0x0; /* No output enable for SRST*/
+ }
+ else
+ {
+ LOG_ERROR("BUG: axm0432_jtag_init called for non axm0432 layout");
+ exit(-1);
+ }
+
+ high_output = 0x0;
+ high_direction = 0x0c;
+
+ if (jtag_reset_config & RESET_TRST_OPEN_DRAIN)
+ {
+ LOG_ERROR("can't set nTRSTOE to push-pull on the Dicarlo jtag");
+ }
+ else
+ {
+ high_output |= nTRST;
+ }
+
+ if (jtag_reset_config & RESET_SRST_PUSH_PULL)
+ {
+ LOG_ERROR("can't set nSRST to push-pull on the Dicarlo jtag");
+ }
+ 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 'Dicarlo' layout");
+ return ERROR_JTAG_INIT_FAILED;
+ }
+
+ return ERROR_OK;
+}
+
+
+
+
int jtagkey_init(void)
{
u8 buf[3];
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