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authorAnton Staaf <robotboy@chromium.org>2015-07-22 09:17:23 -0700
committerChromeOS Commit Bot <chromeos-commit-bot@chromium.org>2015-08-10 17:54:22 +0000
commit68b2809ee8f611d089f6d946dba10bb1b6d5c507 (patch)
treea21fcdb1d9b73f4c409811c8421fcba1e5a0c418 /board/discovery/board.h
parent014d180b1da90a5e23f2ebd4df3d00457bc5fb28 (diff)
downloadchrome-ec-68b2809ee8f611d089f6d946dba10bb1b6d5c507.tar.gz
Discovery: Configure USART2 as a loopback device
This gives a test case for the USART driver on an STM32L. Eventually this will be a good place to test that even in a downclocked configuration the STM32L USART driver can handle 115200 without dropping characters. This also gives a convenient build test for the STM32L version of the USART driver. Signed-off-by: Anton Staaf <robotboy@chromium.org> BRANCH=None BUG=None TEST=make buildall -j Cross connect a Discovery and a Discovery-stm32f072 Change-Id: Ifb8dfc1179e8a0be84390d36e0bc3ff15f4f4685 Reviewed-on: https://chromium-review.googlesource.com/288979 Tested-by: Anton Staaf <robotboy@chromium.org> Reviewed-by: Randall Spangler <rspangler@chromium.org> Commit-Queue: Anton Staaf <robotboy@chromium.org> Trybot-Ready: Anton Staaf <robotboy@chromium.org>
Diffstat (limited to 'board/discovery/board.h')
-rw-r--r--board/discovery/board.h6
1 files changed, 5 insertions, 1 deletions
diff --git a/board/discovery/board.h b/board/discovery/board.h
index 2fb8a84edf..c66a21eac9 100644
--- a/board/discovery/board.h
+++ b/board/discovery/board.h
@@ -9,9 +9,13 @@
#define __CROS_EC_BOARD_H
/* Optional features */
-#undef CONFIG_WATCHDOG_HELP
+#undef CONFIG_WATCHDOG_HELP
#undef CONFIG_LID_SWITCH
+/* Enable USART2 */
+#define CONFIG_STREAM_USART
+#define CONFIG_STREAM_USART2
+
/*
* Allow dangerous commands all the time, since we don't have a write protect
* switch.