commit 5c84e74cecfe2c50a0543ba824283bd34c0c74b5
author Yann Gautier <yann.gautier@st.com> Mon Sep 14 17:21:59 2020 +0200
committer Yann Gautier <yann.gautier@foss.st.com> Mon Sep 20 13:57:10 2021 +0200
tree b3ec6fbecbe3ca5a933b778795bbb9db17c4b766
parent faa9bcf8e0ae3ab1d92bc54226bb916d6da4257b

fix(plat/st): add UART reset in crash console init

Add the reset set/clear sequence at the beginning of the function
plat_crash_console_init(). If not done, there is a risk that the UART
is in a bad state and will not be able to print correct characters.

Change-Id: Id31e28773d6c4f26f16d3569d1e3c5aa0e26e039
Signed-off-by: Yann Gautier <yann.gautier@st.com>

plat/st/stm32mp1/stm32mp1_def.h

diff --git a/plat/st/stm32mp1/stm32mp1_def.h b/plat/st/stm32mp1/stm32mp1_def.h
index 0d36660..469c2d9 100644
--- a/plat/st/stm32mp1/stm32mp1_def.h
+++ b/plat/st/stm32mp1/stm32mp1_def.h
@@ -205,6 +205,8 @@
 #define DEBUG_UART_TX_CLKSRC		RCC_UART24CKSELR_HSI
 #define DEBUG_UART_TX_EN_REG		RCC_MP_APB1ENSETR
 #define DEBUG_UART_TX_EN		RCC_MP_APB1ENSETR_UART4EN
+#define DEBUG_UART_RST_REG		RCC_APB1RSTSETR
+#define DEBUG_UART_RST_BIT		RCC_APB1RSTSETR_UART4RST
 
 /*******************************************************************************
  * STM32MP1 ETZPC