projects
/
fw
/
openocd
/ commitdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
| commitdiff |
tree
raw
|
patch
| inline |
side by side
(parent:
c795b0d
)
zy1000: flush jtag buffer before changing speed
author
Øyvind Harboe
<oyvind.harboe@zylin.com>
Mon, 18 Jan 2010 20:54:58 +0000
(21:54 +0100)
committer
Øyvind Harboe
<oyvind.harboe@zylin.com>
Tue, 19 Jan 2010 09:58:48 +0000
(10:58 +0100)
It is conceivable that there could be commands in the
queue when a speed change request comes in. Flush the
hw queue before changing speed. Not observed, found by
inspection.
Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
src/jtag/zy1000/zy1000.c
patch
|
blob
|
history
diff --git
a/src/jtag/zy1000/zy1000.c
b/src/jtag/zy1000/zy1000.c
index 9070f2e382c6e385184572516d17cd928fc7b08c..2c205b7a5bddbe608a2605665db240092f536c79 100644
(file)
--- a/
src/jtag/zy1000/zy1000.c
+++ b/
src/jtag/zy1000/zy1000.c
@@
-199,6
+199,9
@@
void zy1000_reset(int trst, int srst)
int zy1000_speed(int speed)
{
+ /* flush JTAG master FIFO before setting speed */
+ waitIdle();
+
if (speed == 0)
{
/*0 means RCLK*/