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Partially fix USBprog and JLink adapters on XScale target 

Thanks to Peter Denison <openwrt(at)marshadder.org> 

git-svn-id: svn://svn.berlios.de/openocd/trunk@1471 b42882b7-edfa-0310-969c-e2dbd0fdcd60
This commit is contained in:
mifi 2009-04-19 19:15:09 +00:00
parent 486799e65b
commit 7989000e09
2 changed files with 16 additions and 3 deletions
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5
src/jtag/jlink.c
View File

@ -433,7 +433,10 @@ void jlink_scan(int ir_scan, enum scan_type type, u8 *buffer, int scan_size, sca
/* Move to appropriate scan state */
jlink_end_state(ir_scan ? TAP_IRSHIFT : TAP_DRSHIFT);
jlink_state_move();
/* Only move if we're not already there */
if (tap_get_state() != tap_get_end_state())
jlink_state_move();
jlink_end_state(saved_end_state);
/* Scan */

14
src/jtag/usbprog.c
View File

@ -265,6 +265,10 @@ void usbprog_path_move(pathmove_command_t *cmd)
int num_states = cmd->num_states;
int state_count;
/* There may be queued transitions, and before following a specified
path, we must flush those queued transitions */
usbprog_jtag_tms_send(usbprog_jtag_handle);
state_count = 0;
while (num_states)
{
@ -323,6 +327,10 @@ void usbprog_runtest(int num_cycles)
usbprog_write(0, 0, 0);
}
#ifdef _DEBUG_JTAG_IO_
LOG_DEBUG("runtest: cur_state %s end_state %s", tap_state_name(tap_get_state()), tap_state_name(tap_get_end_state()));
#endif
/* finish in end_state */
/*
usbprog_end_state(saved_end_state);
@ -340,9 +348,10 @@ void usbprog_scan(int ir_scan, enum scan_type type, u8 *buffer, int scan_size)
else
usbprog_end_state(TAP_DRSHIFT);
/* usbprog_jtag_tms_send(usbprog_jtag_handle); */
/* Only move if we're not already there */
if (tap_get_state() != tap_get_end_state())
usbprog_state_move();
usbprog_state_move();
usbprog_end_state(saved_end_state);
usbprog_jtag_tms_send(usbprog_jtag_handle);
@ -358,6 +367,7 @@ void usbprog_scan(int ir_scan, enum scan_type type, u8 *buffer, int scan_size)
}
f(usbprog_jtag_handle, (char *)buffer, scan_size);
/* The adapter does the transition to PAUSE internally */
if (ir_scan)
tap_set_state(TAP_IRPAUSE);
else