Enable the 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:
- Move out [PATCH] ARM: dts: at91: Add dts files for at91sam9m10g45ek.
- Add [PATCH] board: at91sam9m10g45ek: Enable early debug UART
board/atmel/at91sam9m10g45ek/at91sam9m10g45ek.c | 13 +++++++++++++
configs/at91sam9m10g45ek_mmc_defconfig | 6 ++++++
configs/at91sam9m10g45ek_nandflash_defconfig | 6 ++++++
3 files changed, 25 insertions(+)
diff --git a/board/atmel/at91sam9m10g45ek/at91sam9m10g45ek.c
b/board/atmel/at91sam9m10g45ek/at91sam9m10g45ek.c
index 2e8ea053fc..d3bc5c69d4 100644
--- a/board/atmel/at91sam9m10g45ek/at91sam9m10g45ek.c
+++ b/board/atmel/at91sam9m10g45ek/at91sam9m10g45ek.c
@@ -7,6 +7,7 @@
*/
#include <common.h>
+#include <debug_uart.h>
#include <asm/io.h>
#include <asm/arch/clk.h>
#include <asm/arch/at91sam9g45_matrix.h>
@@ -242,10 +243,22 @@ void lcd_show_board_info(void)
#endif /* CONFIG_LCD_INFO */
#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)
{
diff --git a/configs/at91sam9m10g45ek_mmc_defconfig
b/configs/at91sam9m10g45ek_mmc_defconfig
index b0933406af..18b6ddf7cf 100644
--- a/configs/at91sam9m10g45ek_mmc_defconfig
+++ b/configs/at91sam9m10g45ek_mmc_defconfig
@@ -37,6 +37,12 @@ CONFIG_MACB=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=132000000
+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/at91sam9m10g45ek_nandflash_defconfig
b/configs/at91sam9m10g45ek_nandflash_defconfig
index e8324e71f3..eda54a4f39 100644
--- a/configs/at91sam9m10g45ek_nandflash_defconfig
+++ b/configs/at91sam9m10g45ek_nandflash_defconfig
@@ -37,6 +37,12 @@ CONFIG_MACB=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=132000000
+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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