stm32 configs: use 4kB working area size by default

This is needed for configs that might be used with the cheapest
STM32F100 parts that have only 4kB SRAM.

Restrictions for the other STM32 families are verified to be set
appropriately.

Change-Id: I1ad2370435015604db9f27c1a76c153480311a28
Signed-off-by: Paul Fertser <fercerpav@gmail.com>
Reviewed-on: http://openocd.zylin.com/1378
Tested-by: jenkins
Reviewed-by: Spencer Oliver <spen@spen-soft.co.uk>

diff --git a/tcl/target/stm32_stlink.cfg b/tcl/target/stm32_stlink.cfg
index 7dccd47302fb22e5caed13da2e052e2f48843d92..96bce5f002e64ee7326a943193c8b5de2842e1ba 100644 (file)
--- a/tcl/target/stm32_stlink.cfg
+++ b/tcl/target/stm32_stlink.cfg
@@ -9,11 +9,11 @@ if { [info exists CHIPNAME] } {
 }
 
 # Work-area is a space in RAM used for flash programming
-# By default use 16kB
+# By default use 4kB (as found on some STM32F100s)
 if { [info exists WORKAREASIZE] } {
    set _WORKAREASIZE $WORKAREASIZE
 } else {
-   set _WORKAREASIZE 0x4000
+   set _WORKAREASIZE 0x1000
 }
 
 if { [info exists CPUTAPID] } {

diff --git a/tcl/target/stm32f1x.cfg b/tcl/target/stm32f1x.cfg
index 7d3f42f3b9762a5d29f82b6fbf6cfc47df72e0c3..12d33d52c5297ecdb05b3cb58590f65746069c3c 100644 (file)
--- a/tcl/target/stm32f1x.cfg
+++ b/tcl/target/stm32f1x.cfg
@@ -13,11 +13,11 @@ if { [info exists ENDIAN] } {
 }
 
 # Work-area is a space in RAM used for flash programming
-# By default use 16kB
+# By default use 4kB (as found on some STM32F100s)
 if { [info exists WORKAREASIZE] } {
    set _WORKAREASIZE $WORKAREASIZE
 } else {
-   set _WORKAREASIZE 0x4000
+   set _WORKAREASIZE 0x1000
 }
 
 # JTAG speed should be <= F_CPU/6. F_CPU after reset is 8MHz, so use F_JTAG = 1MHz

diff --git a/tcl/target/stm32f1x_stlink.cfg b/tcl/target/stm32f1x_stlink.cfg
index 9faaf6a0b34d5b7b4e11062f0f8834f4af32fe26..3b7daef08dcc6644f07ed1bab921c510a0ade9d4 100644 (file)
--- a/tcl/target/stm32f1x_stlink.cfg
+++ b/tcl/target/stm32f1x_stlink.cfg
@@ -11,7 +11,7 @@ if { [info exists CPUTAPID] == 0 } {
 }
 
 if { [info exists WORKAREASIZE] == 0 } {
-   set WORKAREASIZE 0x4000
+   set WORKAREASIZE 0x1000
 }
 
 source [find target/stm32_stlink.cfg]