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use RTCK on Servo v2 JTAG

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The FT4232 chip used on Servo v2 has adaptative clocking feature.
Let's try to use it to avoid signal integrity issue we observe on
Proto-0.5 JTAG.

Signed-off-by: Vincent Palatin <vpalatin@chromium.org>

BUG=None
TEST=connect to Link proto-0 and read/write all the SRAM without errors.

Change-Id: Ic2b91acc29c6d510fb6f3364dd253d3deb650949
This commit is contained in:
Vincent Palatin
2012-02-20 09:24:27 -08:00
parent ed9a5a5573
commit 66db728f60
1 changed files with 2 additions and 1 deletions
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3
chip/lm4/openocd/servo_v2.cfg
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@@ -6,5 +6,6 @@ gdb_flash_program enable
interface ft2232
ft2232_layout jtagkey
ft2232_vid_pid 0x18d1 0x5002
jtag_khz 6000
jtag_khz 0
jtag_rclk 6000
source [find lm4x.cfg]