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tcl/str7x: Reset init unlocks the flash 

For STR7x flash, the device cannot be queried for the protect status.
The solution is to remove the protection on reset init. The driver
also initialises the sector protect field to unprotected.

[dbrownell@users.sourceforge.net: line length shrinkage]

Signed-off-by: Edgar Grimberg <edgar.grimberg@zylin.com>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
This commit is contained in:
Edgar Grimberg 2010-02-02 13:17:26 +01:00 committed by David Brownell
parent 503f6139c7
commit cc440ca1d4
2 changed files with 17 additions and 2 deletions
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9
tcl/target/str730.cfg
View File

@ -34,7 +34,14 @@ set _TARGETNAME $_CHIPNAME.cpu
target create $_TARGETNAME arm7tdmi -endian little -chain-position 0 -variant arm7tdmi
$_TARGETNAME configure -event reset-start { jtag_khz 10 }
$_TARGETNAME configure -event reset-init { jtag_khz 3000 }
$_TARGETNAME configure -event reset-init {
jtag_khz 3000
# Because the hardware cannot be interrogated for the protection state
# of sectors, initialize all the sectors to be unprotected. The initial
# state is reflected by the driver, too.
flash protect 0 0 last off
}
$_TARGETNAME configure -event gdb-flash-erase-start {
flash protect 0 0 7 off
}

10
tcl/target/str750.cfg
View File

@ -36,7 +36,15 @@ set _TARGETNAME $_CHIPNAME.cpu
target create $_TARGETNAME arm7tdmi -endian little -chain-position 0 -variant arm7tdmi
$_TARGETNAME configure -event reset-start { jtag_khz 10 }
$_TARGETNAME configure -event reset-init { jtag_khz 3000 }
$_TARGETNAME configure -event reset-init {
jtag_khz 3000
# Because the hardware cannot be interrogated for the protection state
# of sectors, initialize all the sectors to be unprotected. The initial
# state is reflected by the driver, too.
flash protect 0 0 last off
flash protect 1 0 last off
}
$_TARGETNAME configure -event gdb-flash-erase-start {
flash protect 0 0 7 off
flash protect 1 0 1 off