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authorØyvind Harboe <oyvind.harboe@zylin.com>2010-08-17 21:51:36 +0200
committerØyvind Harboe <oyvind.harboe@zylin.com>2010-08-17 21:52:39 +0200
commit2c4ef30b11f459028c20185f41320e856db8c3a1 (patch)
treeec843485de6a2b7d94faceb3c31e36c6c67bc2b0 /tcl/target
parent962946ea89fd948ab8c147134f06caa89b31e244 (diff)
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mcb1700: Keil MCB1700 w/1768 config script
Ca. 93kBytes/s flashing speed @ 10MHz JTAG clock Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
Diffstat (limited to 'tcl/target')
-rw-r--r--tcl/target/lpc1768.cfg16
1 files changed, 4 insertions, 12 deletions
diff --git a/tcl/target/lpc1768.cfg b/tcl/target/lpc1768.cfg
index 07c5ab83..4a1ff0bc 100644
--- a/tcl/target/lpc1768.cfg
+++ b/tcl/target/lpc1768.cfg
@@ -47,18 +47,10 @@ set _FLASHNAME $_CHIPNAME.flash
flash bank $_FLASHNAME lpc2000 0x0 0x80000 0 0 $_TARGETNAME \
lpc1700 $_CCLK calc_checksum
-# Although rclk "appears to work", it turns out that this yields
-# 4MHz whereas the "correct" rate is CCLK/6, which is not what
-# you get with rclk.
-#
-# Also, crank down the frequency further as we're running of an
-# RC oscillator instead of crystal.
-#
-# Setting up XTAL in the reset-init sequence could be worth
-# the effort if you need to program the flash which is pretty
-# big on these devices.
-#
-jtag_khz 100
+# Run with *real slow* clock by default since the
+# boot rom could have been playing with the PLL, so
+# we have no idea what clock the target is running at.
+jtag_khz 10
$_TARGETNAME configure -event reset-init {
# Do not remap 0x0000-0x0020 to anything but the flash (i.e. select