*/
u8 amt_jtagaccel_tap_move[6][6][2] =
{
- /* TLR RTI SD PD SI PI */
- {{0x1f, 0x00}, {0x0f, 0x00}, {0x8a, 0x04}, {0x0a, 0x00}, {0x06, 0x00}, {0x96, 0x00}}, /* TLR */
- {{0x1f, 0x00}, {0x00, 0x00}, {0x85, 0x08}, {0x05, 0x00}, {0x8b, 0x08}, {0x0b, 0x00}}, /* RTI */
- {{0x1f, 0x00}, {0x0d, 0x00}, {0x00, 0x00}, {0x01, 0x00}, {0x8f, 0x09}, {0x8f, 0x01}}, /* SD */
- {{0x1f, 0x00}, {0x0c, 0x00}, {0x08, 0x00}, {0x00, 0x00}, {0x8f, 0x09}, {0x8f, 0x01}}, /* PD */
- {{0x1f, 0x00}, {0x0d, 0x00}, {0x07, 0x00}, {0x97, 0x00}, {0x00, 0x00}, {0x01, 0x00}}, /* SI */
- {{0x1f, 0x00}, {0x0c, 0x00}, {0x07, 0x00}, {0x97, 0x00}, {0x08, 0x00}, {0x00, 0x00}}, /* PI */
+ /* RESET IDLE DRSHIFT DRPAUSE IRSHIFT IRPAUSE */
+ {{0x1f, 0x00}, {0x0f, 0x00}, {0x8a, 0x04}, {0x0a, 0x00}, {0x06, 0x00}, {0x96, 0x00}}, /* RESET */
+ {{0x1f, 0x00}, {0x00, 0x00}, {0x85, 0x08}, {0x05, 0x00}, {0x8b, 0x08}, {0x0b, 0x00}}, /* IDLE */
+ {{0x1f, 0x00}, {0x0d, 0x00}, {0x00, 0x00}, {0x01, 0x00}, {0x8f, 0x09}, {0x8f, 0x01}}, /* DRSHIFT */
+ {{0x1f, 0x00}, {0x0c, 0x00}, {0x08, 0x00}, {0x00, 0x00}, {0x8f, 0x09}, {0x8f, 0x01}}, /* DRPAUSE */
+ {{0x1f, 0x00}, {0x0d, 0x00}, {0x07, 0x00}, {0x97, 0x00}, {0x00, 0x00}, {0x01, 0x00}}, /* IRSHIFT */
+ {{0x1f, 0x00}, {0x0c, 0x00}, {0x07, 0x00}, {0x97, 0x00}, {0x08, 0x00}, {0x00, 0x00}}, /* IRPAUSE */
};
-jtag_interface_t amt_jtagaccel_interface =
+jtag_interface_t amt_jtagaccel_interface =
{
.name = "amt_jtagaccel",
-
+
.execute_queue = amt_jtagaccel_execute_queue,
- .speed = amt_jtagaccel_speed,
+ .speed = amt_jtagaccel_speed,
.register_commands = amt_jtagaccel_register_commands,
.init = amt_jtagaccel_init,
.quit = amt_jtagaccel_quit,
COMMAND_CONFIG, NULL);
register_command(cmd_ctx, NULL, "rtck", amt_jtagaccel_handle_rtck_command,
COMMAND_CONFIG, NULL);
-
+
return ERROR_OK;
}
aw_control_rst |= 0x1;
else if (srst == 0)
aw_control_rst &= ~0x1;
-
+
AMT_AW(aw_control_rst);
}
aw_control_baudrate &= 0xf0;
aw_control_baudrate |= speed & 0x0f;
AMT_AW(aw_control_baudrate);
-
+
return ERROR_OK;
}
-void amt_jtagaccel_end_state(state)
+void amt_jtagaccel_end_state(int state)
{
if (tap_move_map[state] != -1)
end_state = state;
}
}
-void amt_wait_scan_busy()
+void amt_wait_scan_busy(void)
{
int timeout = 4096;
u8 ar_status;
-
+
AMT_AR(ar_status);
while (((ar_status) & 0x80) && (timeout-- > 0))
AMT_AR(ar_status);
-
+
if (ar_status & 0x80)
{
LOG_ERROR("amt_jtagaccel timed out while waiting for end of scan, rtck was %s, last AR_STATUS: 0x%2.2x", (rtck_enabled) ? "enabled" : "disabled", ar_status);
{
u8 aw_scan_tms_5;
u8 tms_scan[2];
-
+
tms_scan[0] = amt_jtagaccel_tap_move[tap_move_map[cur_state]][tap_move_map[end_state]][0];
tms_scan[1] = amt_jtagaccel_tap_move[tap_move_map[cur_state]][tap_move_map[end_state]][1];
-
+
aw_scan_tms_5 = 0x40 | (tms_scan[0] & 0x1f);
AMT_AW(aw_scan_tms_5);
if (jtag_speed > 3 || rtck_enabled)
amt_wait_scan_busy();
-
+
if (tms_scan[0] & 0x80)
{
aw_scan_tms_5 = 0x40 | (tms_scan[1] & 0x1f);
if (jtag_speed > 3 || rtck_enabled)
amt_wait_scan_busy();
}
-
+
cur_state = end_state;
}
u8 aw_scan_tms_1to4;
enum tap_state saved_end_state = end_state;
-
- /* only do a state_move when we're not already in RTI */
- if (cur_state != TAP_RTI)
+
+ /* only do a state_move when we're not already in IDLE */
+ if (cur_state != TAP_IDLE)
{
- amt_jtagaccel_end_state(TAP_RTI);
+ amt_jtagaccel_end_state(TAP_IDLE);
amt_jtagaccel_state_move();
}
-
+
while (num_cycles - i >= 5)
{
aw_scan_tms_5 = 0x40;
AMT_AW(aw_scan_tms_5);
i += 5;
}
-
+
if (num_cycles - i > 0)
{
aw_scan_tms_1to4 = 0x80 | ((num_cycles - i - 1) & 0x3) << 4;
AMT_AW(aw_scan_tms_1to4);
}
-
+
amt_jtagaccel_end_state(saved_end_state);
if (cur_state != end_state)
amt_jtagaccel_state_move();
u8 tms_scan[2];
if (ir_scan)
- amt_jtagaccel_end_state(TAP_SI);
+ amt_jtagaccel_end_state(TAP_IRSHIFT);
else
- amt_jtagaccel_end_state(TAP_SD);
+ amt_jtagaccel_end_state(TAP_DRSHIFT);
amt_jtagaccel_state_move();
amt_jtagaccel_end_state(saved_end_state);
{
aw_tdi_option = 0x30 | (((scan_size - 1) % 8) - 1);
AMT_AW(aw_tdi_option);
-
+
dw_tdi_scan = buf_get_u32(buffer, bit_count, (scan_size - 1) % 8) & 0xff;
AMT_DW(dw_tdi_scan);
if (jtag_speed > 3 || rtck_enabled)
dr_tdo = dr_tdo >> (8 - ((scan_size - 1) % 8));
buf_set_u32(buffer, bit_count, (scan_size - 1) % 8, dr_tdo);
}
-
+
bit_count += (scan_size - 1) % 8;
bits_left -= (scan_size - 1) % 8;
}
-
+
while (bits_left - 1 >= 8)
{
dw_tdi_scan = buf_get_u32(buffer, bit_count, 8) & 0xff;
AMT_DR(dr_tdo);
buf_set_u32(buffer, bit_count, 8, dr_tdo);
}
-
+
bit_count += 8;
bits_left -= 8;
}
-
+
tms_scan[0] = amt_jtagaccel_tap_move[tap_move_map[cur_state]][tap_move_map[end_state]][0];
tms_scan[1] = amt_jtagaccel_tap_move[tap_move_map[cur_state]][tap_move_map[end_state]][1];
aw_tms_scan = 0x40 | (tms_scan[0] & 0x1f) | (buf_get_u32(buffer, bit_count, 1) << 5);
dr_tdo = dr_tdo >> 7;
buf_set_u32(buffer, bit_count, 1, dr_tdo);
}
-
+
if (tms_scan[0] & 0x80)
{
aw_tms_scan = 0x40 | (tms_scan[1] & 0x1f);
enum scan_type type;
u8 *buffer;
int retval;
-
+
/* return ERROR_OK, unless a jtag_read_buffer returns a failed check
* that wasn't handled by a caller-provided error handler
- */
+ */
retval = ERROR_OK;
-
+
while (cmd)
{
switch (cmd->type)
#endif
if (cmd->cmd.reset->trst == 1)
{
- cur_state = TAP_TLR;
+ cur_state = TAP_RESET;
}
amt_jtagaccel_reset(cmd->cmd.reset->trst, cmd->cmd.reset->srst);
break;
}
cmd = cmd->next;
}
-
+
return retval;
}
#if PARPORT_USE_GIVEIO == 1
-int amt_jtagaccel_get_giveio_access()
+int amt_jtagaccel_get_giveio_access(void)
{
HANDLE h;
OSVERSIONINFO version;
version.dwOSVersionInfoSize = sizeof version;
if (!GetVersionEx( &version )) {
- errno = EINVAL;
- return -1;
+ errno = EINVAL;
+ return -1;
}
if (version.dwPlatformId != VER_PLATFORM_WIN32_NT)
- return 0;
+ return 0;
h = CreateFile( "\\\\.\\giveio", GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL );
if (h == INVALID_HANDLE_VALUE) {
- errno = ENODEV;
- return -1;
+ errno = ENODEV;
+ return -1;
}
CloseHandle( h );
u8 status_port;
#endif
u8 ar_status;
-
+
#if PARPORT_USE_PPDEV == 1
if (device_handle > 0)
{
snprintf(buffer, 256, "/dev/parport%d", amt_jtagaccel_port);
device_handle = open(buffer, O_RDWR);
-
+
if (device_handle < 0)
{
LOG_ERROR("cannot open device. check it exists and that user read and write rights are set");
LOG_ERROR(" cannot set compatible mode to device");
return ERROR_JTAG_INIT_FAILED;
}
-
+
control_port = 0x00;
i = ioctl(device_handle, PPWCONTROL, &control_port);
#if PARPORT_USE_GIVEIO == 1
if (amt_jtagaccel_get_giveio_access() != 0) {
-#else /* PARPORT_USE_GIVEIO */
+#else /* PARPORT_USE_GIVEIO */
if (ioperm(amt_jtagaccel_port, 5, 1) != 0) {
#endif /* PARPORT_USE_GIVEIO */
LOG_ERROR("missing privileges for direct i/o");
return ERROR_JTAG_INIT_FAILED;
}
-
+
/* prepare epp port */
/* clear timeout */
status_port = inb(amt_jtagaccel_port + 1);
outb(status_port | 0x1, amt_jtagaccel_port + 1);
-
+
/* reset epp port */
outb(0x00, amt_jtagaccel_port + 2);
outb(0x04, amt_jtagaccel_port + 2);
#endif
-
+
if (rtck_enabled)
- {
+ {
/* set RTCK enable bit */
aw_control_fsm |= 0x02;
}
-
+
/* enable JTAG port */
aw_control_fsm |= 0x04;
AMT_AW(aw_control_fsm);
-
+
amt_jtagaccel_speed(jtag_speed);
-
+
if (jtag_reset_config & RESET_TRST_OPEN_DRAIN)
aw_control_rst &= ~0x8;
else
aw_control_rst |= 0x8;
-
+
if (jtag_reset_config & RESET_SRST_PUSH_PULL)
aw_control_rst &= ~0x2;
else
aw_control_rst |= 0x2;
-
+
amt_jtagaccel_reset(0, 0);
-
+
/* read status register */
AMT_AR(ar_status);
LOG_DEBUG("AR_STATUS: 0x%2.2x", ar_status);
-
+
return ERROR_OK;
}
int amt_jtagaccel_quit(void)
{
-
+
return ERROR_OK;
}
rtck_enabled = 0;
}
}
-
+
return ERROR_OK;
}
projects / fw / openocd / blobdiff