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>
diff --git a/board/atmel/sama5d4_xplained/sama5d4_xplained.c b/board/atmel/sama5d4_xplained/sama5d4_xplained.c
index 30d4fb7..94ecab2 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 @@
#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 @@
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)
{
diff --git a/configs/sama5d4_xplained_mmc_defconfig b/configs/sama5d4_xplained_mmc_defconfig
index 72c239a..2b95a16 100644
--- a/configs/sama5d4_xplained_mmc_defconfig
+++ b/configs/sama5d4_xplained_mmc_defconfig
@@ -53,6 +53,12 @@
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=0xfc00c000
+CONFIG_DEBUG_UART_CLOCK=88000000
+CONFIG_DEBUG_UART_BOARD_INIT=y
+CONFIG_DEBUG_UART_ANNOUNCE=y
CONFIG_ATMEL_USART=y
CONFIG_DM_SPI=y
CONFIG_ATMEL_SPI=y
diff --git a/configs/sama5d4_xplained_nandflash_defconfig b/configs/sama5d4_xplained_nandflash_defconfig
index 0f6c2f4..b0466c2 100644
--- a/configs/sama5d4_xplained_nandflash_defconfig
+++ b/configs/sama5d4_xplained_nandflash_defconfig
@@ -50,6 +50,12 @@
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=0xfc00c000
+CONFIG_DEBUG_UART_CLOCK=88000000
+CONFIG_DEBUG_UART_BOARD_INIT=y
+CONFIG_DEBUG_UART_ANNOUNCE=y
CONFIG_ATMEL_USART=y
CONFIG_DM_SPI=y
CONFIG_ATMEL_SPI=y
diff --git a/configs/sama5d4_xplained_spiflash_defconfig b/configs/sama5d4_xplained_spiflash_defconfig
index 96816d4..57dec69 100644
--- a/configs/sama5d4_xplained_spiflash_defconfig
+++ b/configs/sama5d4_xplained_spiflash_defconfig
@@ -52,6 +52,12 @@
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=0xfc00c000
+CONFIG_DEBUG_UART_CLOCK=88000000
+CONFIG_DEBUG_UART_BOARD_INIT=y
+CONFIG_DEBUG_UART_ANNOUNCE=y
CONFIG_ATMEL_USART=y
CONFIG_DM_SPI=y
CONFIG_ATMEL_SPI=y