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board: sama5d3_xplained: 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>
This commit is contained in:
Wenyou Yang 2017-04-14 08:51:47 +08:00 committed by Simon Glass
parent 80016f5125
commit ad46af0e76
3 changed files with 24 additions and 1 deletions
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13
board/atmel/sama5d3_xplained/sama5d3_xplained.c
View File

@ -12,6 +12,7 @@
#include <asm/arch/at91_rstc.h>
#include <asm/arch/gpio.h>
#include <asm/arch/clk.h>
#include <debug_uart.h>
#include <spl.h>
#include <asm/arch/atmel_mpddrc.h>
#include <asm/arch/at91_wdt.h>
@ -65,12 +66,22 @@ static void sama5d3_xplained_mci0_hw_init(void)
}
#endif
int board_early_init_f(void)
#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/sama5d3_xplained_mmc_defconfig
View File

@ -54,6 +54,12 @@ CONFIG_PINCTRL=y
CONFIG_SPL_PINCTRL=y
CONFIG_PINCTRL_AT91=y
CONFIG_DM_SERIAL=y
CONFIG_DEBUG_UART=y
CONFIG_DEBUG_UART_ATMEL=y
CONFIG_DEBUG_UART_BASE=0xffffee00
CONFIG_DEBUG_UART_CLOCK=132000000
CONFIG_DEBUG_UART_BOARD_INIT=y
CONFIG_DEBUG_UART_ANNOUNCE=y
CONFIG_ATMEL_USART=y
CONFIG_USB=y
CONFIG_DM_USB=y

6
configs/sama5d3_xplained_nandflash_defconfig
View File

@ -51,6 +51,12 @@ CONFIG_PINCTRL=y
CONFIG_SPL_PINCTRL=y
CONFIG_PINCTRL_AT91=y
CONFIG_DM_SERIAL=y
CONFIG_DEBUG_UART=y
CONFIG_DEBUG_UART_ATMEL=y
CONFIG_DEBUG_UART_BASE=0xffffee00
CONFIG_DEBUG_UART_CLOCK=132000000
CONFIG_DEBUG_UART_BOARD_INIT=y
CONFIG_DEBUG_UART_ANNOUNCE=y
CONFIG_ATMEL_USART=y
CONFIG_USB=y
CONFIG_DM_USB=y