From: Wenyou Yang <wenyou.yang@atmel.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH v2 3/3] board: at91sam9rlek: Enable early debug UART
Date: Wed, 12 Apr 2017 17:18:51 +0800 [thread overview]
Message-ID: <20170412091851.21432-4-wenyou.yang@atmel.com> (raw)
In-Reply-To: <20170412091851.21432-1-wenyou.yang@atmel.com>
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>
---
Changes in v2:
- Add [PATCH]: board: at91sam9rlek: Enable early debug UART.
- Move out [PATCH]: ARM: dts: at91: add dts files for at91sam9rlek.
board/atmel/at91sam9rlek/at91sam9rlek.c | 13 +++++++++++++
configs/at91sam9rlek_dataflash_defconfig | 6 ++++++
configs/at91sam9rlek_mmc_defconfig | 6 ++++++
configs/at91sam9rlek_nandflash_defconfig | 6 ++++++
4 files changed, 31 insertions(+)
diff --git a/board/atmel/at91sam9rlek/at91sam9rlek.c b/board/atmel/at91sam9rlek/at91sam9rlek.c
index 0c4d51765e..0b603ed13a 100644
--- a/board/atmel/at91sam9rlek/at91sam9rlek.c
+++ b/board/atmel/at91sam9rlek/at91sam9rlek.c
@@ -7,6 +7,7 @@
*/
#include <common.h>
+#include <debug_uart.h>
#include <asm/io.h>
#include <asm/arch/at91sam9rl.h>
#include <asm/arch/at91sam9rl_matrix.h>
@@ -155,10 +156,22 @@ 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/at91sam9rlek_dataflash_defconfig b/configs/at91sam9rlek_dataflash_defconfig
index 24fbfe619c..d4abb2a2fd 100644
--- a/configs/at91sam9rlek_dataflash_defconfig
+++ b/configs/at91sam9rlek_dataflash_defconfig
@@ -34,5 +34,11 @@ 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=0xfffff200
+CONFIG_DEBUG_UART_CLOCK=100000000
+CONFIG_DEBUG_UART_BOARD_INIT=y
+CONFIG_DEBUG_UART_ANNOUNCE=y
CONFIG_ATMEL_USART=y
CONFIG_LCD=y
diff --git a/configs/at91sam9rlek_mmc_defconfig b/configs/at91sam9rlek_mmc_defconfig
index a46deac284..9a40c41f36 100644
--- a/configs/at91sam9rlek_mmc_defconfig
+++ b/configs/at91sam9rlek_mmc_defconfig
@@ -34,5 +34,11 @@ 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=0xfffff200
+CONFIG_DEBUG_UART_CLOCK=100000000
+CONFIG_DEBUG_UART_BOARD_INIT=y
+CONFIG_DEBUG_UART_ANNOUNCE=y
CONFIG_ATMEL_USART=y
CONFIG_LCD=y
diff --git a/configs/at91sam9rlek_nandflash_defconfig b/configs/at91sam9rlek_nandflash_defconfig
index b6400d0317..d68b562b0e 100644
--- a/configs/at91sam9rlek_nandflash_defconfig
+++ b/configs/at91sam9rlek_nandflash_defconfig
@@ -34,5 +34,11 @@ 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=0xfffff200
+CONFIG_DEBUG_UART_CLOCK=100000000
+CONFIG_DEBUG_UART_BOARD_INIT=y
+CONFIG_DEBUG_UART_ANNOUNCE=y
CONFIG_ATMEL_USART=y
CONFIG_LCD=y
--
2.11.0
next prev parent reply other threads:[~2017-04-12 9:18 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-04-12 9:18 [U-Boot] [PATCH v2 0/3] board: at91sam9rlek: Convert to support DM and DT Wenyou Yang
2017-04-12 9:18 ` [U-Boot] [PATCH v2 1/3] configs: at91sam9rlek: Update for DT and DM support Wenyou Yang
2017-04-16 19:31 ` Simon Glass
2017-04-12 9:18 ` [U-Boot] [PATCH v2 2/3] board: at91sam9rlek: Clean up code Wenyou Yang
2017-04-16 19:31 ` Simon Glass
2017-04-12 9:18 ` Wenyou Yang [this message]
2017-04-16 19:31 ` [U-Boot] [PATCH v2 3/3] board: at91sam9rlek: Enable early debug UART Simon Glass
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