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board: at91sam9n12ek: Enable early debug UART

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Enable the early debug UART to debug problems when an ICE or other
debug mechanism is not available.

Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Wenyou Yang 2017-04-18 14:54:53 +08:00 committed by Simon Glass
parent adc6b2863e
commit c1868adf64
4 changed files with 31 additions and 0 deletions
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13
board/atmel/at91sam9n12ek/at91sam9n12ek.c
View file

@ -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>
#include <netdev.h>
@ -162,10 +163,22 @@ 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();
#endif
return 0;
}
#endif
int board_init(void)
{

6
configs/at91sam9n12ek_mmc_defconfig
View file

@ -35,6 +35,12 @@ 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=132000000
CONFIG_DEBUG_UART_BOARD_INIT=y
CONFIG_DEBUG_UART_ANNOUNCE=y
CONFIG_ATMEL_USART=y
CONFIG_DM_SPI=y
CONFIG_ATMEL_SPI=y

6
configs/at91sam9n12ek_nandflash_defconfig
View file

@ -35,6 +35,12 @@ 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=132000000
CONFIG_DEBUG_UART_BOARD_INIT=y
CONFIG_DEBUG_UART_ANNOUNCE=y
CONFIG_ATMEL_USART=y
CONFIG_DM_SPI=y
CONFIG_ATMEL_SPI=y

6
configs/at91sam9n12ek_spiflash_defconfig
View file

@ -35,6 +35,12 @@ 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=132000000
CONFIG_DEBUG_UART_BOARD_INIT=y
CONFIG_DEBUG_UART_ANNOUNCE=y
CONFIG_ATMEL_USART=y
CONFIG_DM_SPI=y
CONFIG_ATMEL_SPI=y