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flash/stm32l4x: STM32L5 support programming when TZEN=1 and RDP=0x55

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when RDP level is 0.5 the provided work-area should reside in non-secure RAM
to ensure that:
 - add a hint in the driver level
 - reduce the usage of secure RAM only when TZEN=1 and RDP is not 0.5
   (check the target configuration file)

Change-Id: Idbf2325e609b84ef8480eefdb49a176fdf7e07c7
Signed-off-by: Tarek BOCHKATI <tarek.bouchkati@gmail.com>
Reviewed-on: https://review.openocd.org/c/openocd/+/6035
Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>
Reviewed-by: Oleksij Rempel <linux@rempel-privat.de>
Tested-by: jenkins
This commit is contained in:
Tarek BOCHKATI
2021-01-22 13:15:52 +01:00
committed by Oleksij Rempel
parent c9d40366ad
commit e609d5a5de
2 changed files with 12 additions and 1 deletions
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6
tcl/target/stm32l5x.cfg
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@@ -173,7 +173,11 @@ $_TARGETNAME configure -event gdb-flash-erase-start {
} {
ahb_ap_secure_access
echo "TZEN option bit enabled"
set use_secure_workarea 1
# check if FLASH_OPTR.RDP is not Level 0.5
if {[expr {$FLASH_OPTR & 0xFF}] != 0x55} {
set use_secure_workarea 1
}
}
set workarea_addr [$_TARGETNAME cget -work-area-phys]