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authorWenyou Yang <wenyou.yang@atmel.com>2017-04-13 10:31:18 +0800
committerSimon Glass <sjg@chromium.org>2017-04-13 14:44:52 -0600
commit334794f58400e1a4fccd61dd8066c4f94f4605e7 (patch)
tree900404518a7cb18a2eba86aff808200b4b70ad3d /board
parent3b93f852ca5ded9edca1939a5b78795f1df6fc92 (diff)
board: sama5d4_xplained: enable early debug UART
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: Andreas Bießmann <andreas@biessmann.org>
Diffstat (limited to 'board')
-rw-r--r--board/atmel/sama5d4_xplained/sama5d4_xplained.c13
1 files changed, 12 insertions, 1 deletions
diff --git a/board/atmel/sama5d4_xplained/sama5d4_xplained.c b/board/atmel/sama5d4_xplained/sama5d4_xplained.c
index 30d4fb73bf..94ecab28b9 100644
--- a/board/atmel/sama5d4_xplained/sama5d4_xplained.c
+++ b/board/atmel/sama5d4_xplained/sama5d4_xplained.c
@@ -15,6 +15,7 @@
#include <asm/arch/sama5d3_smc.h>
#include <asm/arch/sama5d4.h>
#include <atmel_hlcdc.h>
+#include <debug_uart.h>
#include <lcd.h>
#include <nand.h>
#include <version.h>
@@ -165,6 +166,7 @@ void lcd_show_board_info(void)
#endif /* CONFIG_LCD */
+#ifdef CONFIG_DEBUG_UART_BOARD_INIT
static void sama5d4_xplained_serial3_hw_init(void)
{
at91_pio3_set_b_periph(AT91_PIO_PORTE, 17, 1); /* TXD3 */
@@ -174,12 +176,21 @@ static void sama5d4_xplained_serial3_hw_init(void)
at91_periph_clk_enable(ATMEL_ID_USART3);
}
-int board_early_init_f(void)
+void board_debug_uart_init(void)
{
sama5d4_xplained_serial3_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)
{