Enable early debug UART to debug problems when an ICE or other debug mechanism is not available.
Signed-off-by: Wenyou Yang <wenyou.y...@atmel.com> --- board/atmel/at91sam9n12ek/at91sam9n12ek.c | 14 ++++++++++++++ configs/at91sam9n12ek_mmc_defconfig | 6 ++++++ configs/at91sam9n12ek_nandflash_defconfig | 6 ++++++ configs/at91sam9n12ek_spiflash_defconfig | 6 ++++++ 4 files changed, 32 insertions(+) diff --git a/board/atmel/at91sam9n12ek/at91sam9n12ek.c b/board/atmel/at91sam9n12ek/at91sam9n12ek.c index 8a17bb3bbe..bd483c1836 100644 --- a/board/atmel/at91sam9n12ek/at91sam9n12ek.c +++ b/board/atmel/at91sam9n12ek/at91sam9n12ek.c @@ -13,6 +13,7 @@ #include <asm/arch/at91_rstc.h> #include <asm/arch/at91_pio.h> #include <asm/arch/clk.h> +#include <debug_uart.h> #include <lcd.h> #include <atmel_hlcdc.h> @@ -161,11 +162,24 @@ void at91sam9n12ek_usb_hw_init(void) } #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(); +#else at91_seriald_hw_init(); +#endif return 0; } +#endif int board_init(void) { diff --git a/configs/at91sam9n12ek_mmc_defconfig b/configs/at91sam9n12ek_mmc_defconfig index 8fe19c0c55..89232987cd 100644 --- a/configs/at91sam9n12ek_mmc_defconfig +++ b/configs/at91sam9n12ek_mmc_defconfig @@ -34,6 +34,12 @@ CONFIG_SPI_FLASH_ATMEL=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=0 +CONFIG_DEBUG_UART_BOARD_INIT=y +CONFIG_DEBUG_UART_ANNOUNCE=y CONFIG_ATMEL_USART=y CONFIG_DM_SPI=y CONFIG_ATMEL_SPI=y diff --git a/configs/at91sam9n12ek_nandflash_defconfig b/configs/at91sam9n12ek_nandflash_defconfig index 1acacbddc2..5a6eff409e 100644 --- a/configs/at91sam9n12ek_nandflash_defconfig +++ b/configs/at91sam9n12ek_nandflash_defconfig @@ -40,6 +40,12 @@ CONFIG_SPI_FLASH_ATMEL=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=0 +CONFIG_DEBUG_UART_BOARD_INIT=y +CONFIG_DEBUG_UART_ANNOUNCE=y CONFIG_ATMEL_USART=y CONFIG_DM_SPI=y CONFIG_ATMEL_SPI=y diff --git a/configs/at91sam9n12ek_spiflash_defconfig b/configs/at91sam9n12ek_spiflash_defconfig index 74457861b6..10650a3ae2 100644 --- a/configs/at91sam9n12ek_spiflash_defconfig +++ b/configs/at91sam9n12ek_spiflash_defconfig @@ -34,6 +34,12 @@ CONFIG_SPI_FLASH_ATMEL=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=0 +CONFIG_DEBUG_UART_BOARD_INIT=y +CONFIG_DEBUG_UART_ANNOUNCE=y CONFIG_ATMEL_USART=y CONFIG_DM_SPI=y CONFIG_ATMEL_SPI=y -- 2.11.0 _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/listinfo/u-boot