From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wenyou Yang Date: Wed, 12 Apr 2017 17:18:51 +0800 Subject: [U-Boot] [PATCH v2 3/3] board: at91sam9rlek: Enable early debug UART In-Reply-To: <20170412091851.21432-1-wenyou.yang@atmel.com> References: <20170412091851.21432-1-wenyou.yang@atmel.com> Message-ID: <20170412091851.21432-4-wenyou.yang@atmel.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Enable the early debug UART to debug problems when an ICE or other debug mechanism is not available. Signed-off-by: Wenyou Yang --- Changes in v2: - Add [PATCH]: board: at91sam9rlek: Enable early debug UART. - Move out [PATCH]: ARM: dts: at91: add dts files for at91sam9rlek. board/atmel/at91sam9rlek/at91sam9rlek.c | 13 +++++++++++++ configs/at91sam9rlek_dataflash_defconfig | 6 ++++++ configs/at91sam9rlek_mmc_defconfig | 6 ++++++ configs/at91sam9rlek_nandflash_defconfig | 6 ++++++ 4 files changed, 31 insertions(+) diff --git a/board/atmel/at91sam9rlek/at91sam9rlek.c b/board/atmel/at91sam9rlek/at91sam9rlek.c index 0c4d51765e..0b603ed13a 100644 --- a/board/atmel/at91sam9rlek/at91sam9rlek.c +++ b/board/atmel/at91sam9rlek/at91sam9rlek.c @@ -7,6 +7,7 @@ */ #include +#include #include #include #include @@ -155,10 +156,22 @@ void lcd_show_board_info(void) #endif /* CONFIG_LCD_INFO */ #endif +#ifdef CONFIG_DEBUG_UART_BOARD_INIT +void board_debug_uart_init(void) +{ + at91_seriald_hw_init(); +} +#endif + +#ifdef CONFIG_BOARD_EARLY_INIT_F int board_early_init_f(void) { +#ifdef CONFIG_DEBUG_UART + debug_uart_init(); +#endif return 0; } +#endif int board_init(void) { diff --git a/configs/at91sam9rlek_dataflash_defconfig b/configs/at91sam9rlek_dataflash_defconfig index 24fbfe619c..d4abb2a2fd 100644 --- a/configs/at91sam9rlek_dataflash_defconfig +++ b/configs/at91sam9rlek_dataflash_defconfig @@ -34,5 +34,11 @@ CONFIG_GENERIC_ATMEL_MCI=y CONFIG_PINCTRL=y CONFIG_PINCTRL_AT91=y CONFIG_DM_SERIAL=y +CONFIG_DEBUG_UART=y +CONFIG_DEBUG_UART_ATMEL=y +CONFIG_DEBUG_UART_BASE=0xfffff200 +CONFIG_DEBUG_UART_CLOCK=100000000 +CONFIG_DEBUG_UART_BOARD_INIT=y +CONFIG_DEBUG_UART_ANNOUNCE=y CONFIG_ATMEL_USART=y CONFIG_LCD=y diff --git a/configs/at91sam9rlek_mmc_defconfig b/configs/at91sam9rlek_mmc_defconfig index a46deac284..9a40c41f36 100644 --- a/configs/at91sam9rlek_mmc_defconfig +++ b/configs/at91sam9rlek_mmc_defconfig @@ -34,5 +34,11 @@ CONFIG_GENERIC_ATMEL_MCI=y CONFIG_PINCTRL=y CONFIG_PINCTRL_AT91=y CONFIG_DM_SERIAL=y +CONFIG_DEBUG_UART=y +CONFIG_DEBUG_UART_ATMEL=y +CONFIG_DEBUG_UART_BASE=0xfffff200 +CONFIG_DEBUG_UART_CLOCK=100000000 +CONFIG_DEBUG_UART_BOARD_INIT=y +CONFIG_DEBUG_UART_ANNOUNCE=y CONFIG_ATMEL_USART=y CONFIG_LCD=y diff --git a/configs/at91sam9rlek_nandflash_defconfig b/configs/at91sam9rlek_nandflash_defconfig index b6400d0317..d68b562b0e 100644 --- a/configs/at91sam9rlek_nandflash_defconfig +++ b/configs/at91sam9rlek_nandflash_defconfig @@ -34,5 +34,11 @@ CONFIG_GENERIC_ATMEL_MCI=y CONFIG_PINCTRL=y CONFIG_PINCTRL_AT91=y CONFIG_DM_SERIAL=y +CONFIG_DEBUG_UART=y +CONFIG_DEBUG_UART_ATMEL=y +CONFIG_DEBUG_UART_BASE=0xfffff200 +CONFIG_DEBUG_UART_CLOCK=100000000 +CONFIG_DEBUG_UART_BOARD_INIT=y +CONFIG_DEBUG_UART_ANNOUNCE=y CONFIG_ATMEL_USART=y CONFIG_LCD=y -- 2.11.0