#include "jtag.h"
-/* system includes */
+#if 1
+#define _DEBUG_GW16012_IO_
+#endif
/* system includes */
// -ino: 060521-1036
-#ifdef __FreeBSD__
+#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
#include <sys/types.h>
#include <machine/sysarch.h>
#else
-#ifndef _WIN32
-#include <sys/io.h>
-#else
+#ifdef _WIN32
#include "errno.h"
#endif /* _WIN32 */
-#endif /* __FreeBSD__ */
+#endif /* __FreeBSD__, __FreeBSD_kernel__ */
#include <string.h>
#include <stdlib.h>
#include <time.h>
#if PARPORT_USE_PPDEV == 1
-#ifdef __FreeBSD__
+#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
#include <dev/ppbus/ppi.h>
#include <dev/ppbus/ppbconf.h>
#define PPRSTATUS PPIGSTATUS
#endif
#include <fcntl.h>
#include <sys/ioctl.h>
+#else /* not PARPORT_USE_PPDEV */
+#ifndef _WIN32
+#include <sys/io.h>
+#endif
#endif
#if PARPORT_USE_GIVEIO == 1
#include "log.h"
/* configuration */
-unsigned long gw16012_port;
+u16 gw16012_port;
/* interface variables
*/
.execute_queue = gw16012_execute_queue,
- .support_pathmove = 0,
-
.speed = gw16012_speed,
.register_commands = gw16012_register_commands,
.init = gw16012_init,
{
value = (value & 0x7f) | gw16012_msb;
gw16012_msb ^= 0x80; /* toggle MSB */
+
+#ifdef _DEBUG_GW16012_IO_
+ DEBUG("%2.2x", value);
+#endif
#if PARPORT_USE_PPDEV == 1
ioctl(device_handle, PPWDATA, &value);
#else
- #ifdef __FreeBSD__
+ #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
outb(gw16012_port, value);
#else
outb(value, gw16012_port);
{
gw16012_control_value = value;
+#ifdef _DEBUG_GW16012_IO_
+ DEBUG("%2.2x", gw16012_control_value);
+#endif
+
#if PARPORT_USE_PPDEV == 1
ioctl(device_handle, PPWCONTROL, &gw16012_control_value);
#else
- #ifdef __FreeBSD__
+ #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
outb(gw16012_port + 2, gw16012_control_value);
#else
outb(gw16012_control_value, gw16012_port + 2);
#else
*value = inb(gw16012_port + 1);
#endif
+
+#ifdef _DEBUG_GW16012_IO_
+ DEBUG("%2.2x", *value);
+#endif
}
/* (1) assert or (0) deassert reset lines */
cur_state = end_state;
}
+void gw16012_path_move(pathmove_command_t *cmd)
+{
+ int num_states = cmd->num_states;
+ int state_count;
+
+ state_count = 0;
+ while (num_states)
+ {
+ gw16012_control(0x0); /* single-bit mode */
+ if (tap_transitions[cur_state].low == cmd->path[state_count])
+ {
+ gw16012_data(0x0); /* TCK cycle with TMS low */
+ }
+ else if (tap_transitions[cur_state].high == cmd->path[state_count])
+ {
+ gw16012_data(0x2); /* TCK cycle with TMS high */
+ }
+ else
+ {
+ ERROR("BUG: %s -> %s isn't a valid TAP transition", tap_state_strings[cur_state], tap_state_strings[cmd->path[state_count]]);
+ exit(-1);
+ }
+
+ cur_state = cmd->path[state_count];
+ state_count++;
+ num_states--;
+ }
+
+ end_state = cur_state;
+}
+
void gw16012_runtest(int num_cycles)
{
enum tap_state saved_end_state = end_state;
enum tap_state saved_end_state = end_state;
u8 scan_out, scan_in;
- if (ir_scan)
- gw16012_end_state(TAP_SI);
- else
- gw16012_end_state(TAP_SD);
+ /* only if we're not already in the correct Shift state */
+ if (!((!ir_scan && (cur_state == TAP_SD)) || (ir_scan && (cur_state == TAP_SI))))
+ {
+ if (ir_scan)
+ gw16012_end_state(TAP_SI);
+ else
+ gw16012_end_state(TAP_SD);
- gw16012_state_move();
- gw16012_end_state(saved_end_state);
+ gw16012_state_move();
+ gw16012_end_state(saved_end_state);
+ }
while (type == SCAN_OUT && ((bits_left - 1) > 7))
{
while (bits_left-- > 0)
{
u8 tms = 0;
+
+ scan_out = buf_get_u32(buffer, bit_count, 1);
+
if (bits_left == 0) /* last bit */
{
if ((ir_scan && (end_state == TAP_SI))
tms = 2;
}
}
-
- scan_out = buf_get_u32(buffer, bit_count, 1);
+
gw16012_data(scan_out | tms);
+
if (type != SCAN_OUT)
{
gw16012_input(&scan_in);
buf_set_u32(buffer, bit_count, 1, ((scan_in & 0x08) >> 3));
- }
+ }
+
bit_count++;
}
int scan_size;
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)
{
gw16012_end_state(cmd->cmd.statemove->end_state);
gw16012_state_move();
break;
+ case JTAG_PATHMOVE:
+#ifdef _DEBUG_JTAG_IO_
+ DEBUG("pathmove: %i states, end in %i", cmd->cmd.pathmove->num_states, cmd->cmd.pathmove->path[cmd->cmd.pathmove->num_states - 1]);
+#endif
+ gw16012_path_move(cmd->cmd.pathmove);
+ break;
case JTAG_SCAN:
if (cmd->cmd.scan->end_state != -1)
gw16012_end_state(cmd->cmd.scan->end_state);
#endif
gw16012_scan(cmd->cmd.scan->ir_scan, type, buffer, scan_size);
if (jtag_read_buffer(buffer, cmd->cmd.scan) != ERROR_OK)
- return ERROR_JTAG_QUEUE_FAILED;
+ retval = ERROR_JTAG_QUEUE_FAILED;
if (buffer)
free(buffer);
break;
case JTAG_SLEEP:
#ifdef _DEBUG_JTAG_IO_
- DEBUG("sleep", cmd->cmd.sleep->us);
+ DEBUG("sleep %i", cmd->cmd.sleep->us);
#endif
jtag_sleep(cmd->cmd.sleep->us);
break;
cmd = cmd->next;
}
- return ERROR_OK;
+ return retval;
}
#if PARPORT_USE_GIVEIO == 1
#if PARPORT_USE_PPDEV == 1
char buffer[256];
int i = 0;
- u8 control_port;
#endif
u8 status_port;
return ERROR_JTAG_INIT_FAILED;
}
-#ifdef __FreeBSD__
+#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
DEBUG("opening /dev/ppi%d...", gw16012_port);
snprintf(buffer, 256, "/dev/ppi%d", gw16012_port);
DEBUG("...open");
-#ifndef __FreeBSD__
+#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
i=ioctl(device_handle, PPCLAIM);
if (i<0)
{
WARNING("No gw16012 port specified, using default '0x378' (LPT1)");
}
- DEBUG("requesting privileges for parallel port 0x%x...", gw16012_port);
+ DEBUG("requesting privileges for parallel port 0x%lx...", gw16012_port);
#if PARPORT_USE_GIVEIO == 1
if (gw16012_get_giveio_access() != 0)
#else /* PARPORT_USE_GIVEIO */
return ERROR_JTAG_INIT_FAILED;
}
DEBUG("...privileges granted");
+
+ /* make sure parallel port is in right mode (clear tristate and interrupt */
+#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
+ outb(gw16012_port + 2, 0x0);
+#else
+ outb(0x0, gw16012_port + 2);
+#endif
#endif /* PARPORT_USE_PPDEV */
gw16012_input(&status_port);
projects / openocd / blobdiff