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-rw-r--r--arch/arm/Kconfig.debug15
-rw-r--r--arch/arm/include/debug/stm32.S2
2 files changed, 15 insertions, 2 deletions
diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index a3bafa8c7e6f..a2cde16b1449 100644
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -1223,6 +1223,18 @@ choice
If unsure, say N.
+ config STM32H7_DEBUG_UART
+ bool "Use STM32H7 UART for low-level debug"
+ depends on MACH_STM32H743
+ select DEBUG_STM32_UART
+ help
+ Say Y here if you want kernel low-level debugging support
+ on STM32H7 based platforms, which default UART is wired on
+ USART1, but another UART instance can be selected by modifying
+ CONFIG_DEBUG_UART_PHYS.
+
+ If unsure, say N.
+
config TEGRA_DEBUG_UART_AUTO_ODMDATA
bool "Kernel low-level debugging messages via Tegra UART via ODMDATA"
depends on ARCH_TEGRA
@@ -1621,7 +1633,8 @@ config DEBUG_UART_PHYS
default 0x3e000000 if DEBUG_BCM_KONA_UART
default 0x3f201000 if DEBUG_BCM2836
default 0x4000e400 if DEBUG_LL_UART_EFM32
- default 0x40011000 if STM32F4_DEBUG_UART || STM32F7_DEBUG_UART
+ default 0x40011000 if STM32F4_DEBUG_UART || STM32F7_DEBUG_UART || \
+ STM32H7_DEBUG_UART
default 0x40028000 if DEBUG_AT91_SAMV7_USART1
default 0x40081000 if DEBUG_LPC18XX_UART0
default 0x40090000 if DEBUG_LPC32XX
diff --git a/arch/arm/include/debug/stm32.S b/arch/arm/include/debug/stm32.S
index b0c7034b33d9..5a2e2b065340 100644
--- a/arch/arm/include/debug/stm32.S
+++ b/arch/arm/include/debug/stm32.S
@@ -9,7 +9,7 @@
#define STM32_USART_TDR_OFF 0x04
#endif
-#ifdef CONFIG_STM32F7_DEBUG_UART
+#if defined(CONFIG_STM32F7_DEBUG_UART) || defined(CONFIG_STM32H7_DEBUG_UART)
#define STM32_USART_SR_OFF 0x1C
#define STM32_USART_TDR_OFF 0x28
#endif