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stm32: add support for the STM32Lx 384kb dual bank flash

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This update adds support for the STM32Lx 384kb dual bank flash. Previously there was a problem when writing an
image that was larger than 192Kb. That lead to openocd printing out two error messages like
"Error: access denied / write protected" and "Error: invalid program address". The reason was that the stm32lx
driver tried to write half pages which overlapped into the next flash bank.
A new configuration file stm32lx_dual_bank.cfg can be used for stm32lx chips with dual bank flash (256kb or 384kb devices).
A sanity check was added for probed flash size values to fix the issue seen on some ST samples that answered incorrectly.

Change-Id: I69e25131983d88613be8606b438f98870c5f1e52
Signed-off-by: Johan Almquist <johan.almquist@assaabloy.com>
Reviewed-on: http://openocd.zylin.com/1125
Tested-by: jenkins
Reviewed-by: Spencer Oliver <spen@spen-soft.co.uk>
This commit is contained in:
Johan Almquist
2013-01-24 13:49:08 +01:00
committed by Spencer Oliver
parent bd5df8520b
commit bfe1a6c892
3 changed files with 65 additions and 6 deletions
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9
tcl/target/stm32lx_dual_bank.cfg Normal file
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# The stm32lx 384kb have a dual bank flash.
# Let's add a definition for the second bank here.
# script for stm32lx family
source [find target/stm32l1x_stlink.cfg]
# Add the second flash bank.
set _FLASHNAME $_CHIPNAME.flash1
flash bank $_FLASHNAME stm32lx 0x8030000 0 0 0 $_TARGETNAME