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>
---
Changes in v2: None
board/atmel/sama5d3_xplained/sama5d3_xplained.c | 16 +++++++++++++++-
configs/sama5d3_xplained_mmc_defconfig | 6 ++++++
configs/sama5d3_xplained_nandflash_defconfig | 6 ++++++
3 files changed, 27 insertions(+), 1 deletion(-)
diff --git a/board/atmel/sama5d3_xplained/sama5d3_xplained.c
b/board/atmel/sama5d3_xplained/sama5d3_xplained.c
index c4d67a7748..692fec66a7 100644
--- a/board/atmel/sama5d3_xplained/sama5d3_xplained.c
+++ b/board/atmel/sama5d3_xplained/sama5d3_xplained.c
@@ -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 <net.h>
#include <netdev.h>
#include <spl.h>
@@ -67,12 +68,25 @@ 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();
+#else
+ sama5d4_xplained_serial3_hw_init();
+ at91_seriald_hw_init();
+#endif
return 0;
}
+#endif
int board_init(void)
{
diff --git a/configs/sama5d3_xplained_mmc_defconfig
b/configs/sama5d3_xplained_mmc_defconfig
index 8940f1633b..a9890cc3d3 100644
--- a/configs/sama5d3_xplained_mmc_defconfig
+++ b/configs/sama5d3_xplained_mmc_defconfig
@@ -46,6 +46,12 @@ 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=0xffffee00
+CONFIG_DEBUG_UART_CLOCK=0
+CONFIG_DEBUG_UART_BOARD_INIT=y
+CONFIG_DEBUG_UART_ANNOUNCE=y
CONFIG_ATMEL_USART=y
CONFIG_USB=y
CONFIG_DM_USB=y
diff --git a/configs/sama5d3_xplained_nandflash_defconfig
b/configs/sama5d3_xplained_nandflash_defconfig
index 6020513e17..05798d666c 100644
--- a/configs/sama5d3_xplained_nandflash_defconfig
+++ b/configs/sama5d3_xplained_nandflash_defconfig
@@ -44,6 +44,12 @@ 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=0xffffee00
+CONFIG_DEBUG_UART_CLOCK=0
+CONFIG_DEBUG_UART_BOARD_INIT=y
+CONFIG_DEBUG_UART_ANNOUNCE=y
CONFIG_ATMEL_USART=y
CONFIG_USB=y
CONFIG_DM_USB=y
--
2.11.0
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