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ARM: debug: stm32: add UART early console support for STM32MP1

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Add support of early console for STM32MP1. Default UART instance is UART4,
but other UART instances can be configured by setting physical and virtual
base addresses in menuconfig.

Signed-off-by: Erwan Le Ray <erwan.leray@st.com>
Signed-off-by: Alexandre Torgue <alexandre.torgue@st.com>
This commit is contained in:
Erwan Le Ray
2020-02-03 15:04:25 +01:00
committed by Alexandre Torgue
parent 33cab8954a
commit 62c1594d38
2 changed files with 16 additions and 1 deletions
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3
arch/arm/include/debug/stm32.S
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@@ -9,7 +9,8 @@
#define STM32_USART_TDR_OFF 0x04
#endif
#if defined(CONFIG_STM32F7_DEBUG_UART) || defined(CONFIG_STM32H7_DEBUG_UART)
#if defined(CONFIG_STM32F7_DEBUG_UART) || defined(CONFIG_STM32H7_DEBUG_UART) || \
defined(CONFIG_STM32MP1_DEBUG_UART)
#define STM32_USART_SR_OFF 0x1C
#define STM32_USART_TDR_OFF 0x28
#endif