From 3e7cfc67099086481fe24da0a30d26bd8d9f74a9 Mon Sep 17 00:00:00 2001
From: Felipe Balbi <balbi@kernel.org>
Date: Thu, 14 Jul 2016 16:32:10 +0300
Subject: stm32l0|l1: don't corrupt RCC registers

instead of overwriting Reset settings, let's
read-modify-write RCC registers.

Change-Id: I21b7e26e6007d3c3d73803c681c980c6947f5910
Signed-off-by: Felipe Balbi <balbi@kernel.org>
Reviewed-on: http://openocd.zylin.com/3601
Tested-by: jenkins
Reviewed-by: Spencer Oliver <spen@spen-soft.co.uk>
---
 tcl/target/stm32l1.cfg | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'tcl/target/stm32l1.cfg')

diff --git a/tcl/target/stm32l1.cfg b/tcl/target/stm32l1.cfg
index 054fa9b..0933151 100644
--- a/tcl/target/stm32l1.cfg
+++ b/tcl/target/stm32l1.cfg
@@ -73,10 +73,10 @@ proc stm32l_enable_HSI {} {
 	echo "STM32L: Enabling HSI"
 
 	# Set HSION in RCC_CR
-	mww 0x40023800 0x00000101
+	mmw 0x40023800 0x00000101 0
 
 	# Set HSI as SYSCLK
-	mww 0x40023808 0x00000001
+	mmw 0x40023808 0x00000001 0
 
 	# Increase JTAG speed
 	adapter_khz 2000
-- 
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