[U-Boot] [PATCH v2 0/3] board: at91sam9rlek: Convert to support DM and DT

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* [U-Boot] [PATCH v2 0/3] board: at91sam9rlek: Convert to support DM and DT
@ 2017-04-12  9:18 Wenyou Yang
  2017-04-12  9:18 ` [U-Boot] [PATCH v2 1/3] configs: at91sam9rlek: Update for DT and DM support Wenyou Yang
                   ` (2 more replies)
  0 siblings, 3 replies; 7+ messages in thread
From: Wenyou Yang @ 2017-04-12  9:18 UTC (permalink / raw)
  To: u-boot

The purpose of the patch set is to convert the board to support
the driver model and the device tree.

Changes in v2:
 - Add converting UART to support DM_SERIAL and used in the
   board_init_f stage.
 - Remove unused LED feature.
 - Improve the commit log.
 - Add [PATCH]: board: at91sam9rlek: Enable early debug UART.
 - Move out [PATCH]: ARM: dts: at91: add dts files for at91sam9rlek.

Wenyou Yang (3):
  configs: at91sam9rlek: Update for DT and DM support
  board: at91sam9rlek: Clean up code
  board: at91sam9rlek: Enable early debug UART

 board/atmel/at91sam9rlek/Makefile        |  2 +-
 board/atmel/at91sam9rlek/at91sam9rlek.c  | 24 +++++++++---------------
 configs/at91sam9rlek_dataflash_defconfig | 22 +++++++++++++++++++++-
 configs/at91sam9rlek_mmc_defconfig       | 22 +++++++++++++++++++++-
 configs/at91sam9rlek_nandflash_defconfig | 22 +++++++++++++++++++++-
 include/configs/at91sam9rlek.h           | 22 +---------------------
 6 files changed, 74 insertions(+), 40 deletions(-)

-- 
2.11.0

^ permalink raw reply	[flat|nested] 7+ messages in thread

* [U-Boot] [PATCH v2 1/3] configs: at91sam9rlek: Update for DT and DM support
  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 ` 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
  2017-04-12  9:18 ` [U-Boot] [PATCH v2 3/3] board: at91sam9rlek: Enable early debug UART Wenyou Yang
  2 siblings, 1 reply; 7+ messages in thread
From: Wenyou Yang @ 2017-04-12  9:18 UTC (permalink / raw)
  To: u-boot

Update the configuration files to support the device tree and driver
model. The device clock and pins configuration are handled by the
clock and the pinctrl drivers respectively.

Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
---

Changes in v2:
 - Add converting UART to support DM_SERIAL and used in the
   board_init_f stage.
 - Remove unused LED feature.
 - Improve the commit log.

 board/atmel/at91sam9rlek/Makefile        |  2 +-
 configs/at91sam9rlek_dataflash_defconfig | 16 +++++++++++++++-
 configs/at91sam9rlek_mmc_defconfig       | 16 +++++++++++++++-
 configs/at91sam9rlek_nandflash_defconfig | 16 +++++++++++++++-
 include/configs/at91sam9rlek.h           | 22 +---------------------
 5 files changed, 47 insertions(+), 25 deletions(-)

diff --git a/board/atmel/at91sam9rlek/Makefile b/board/atmel/at91sam9rlek/Makefile
index 51daf8d30c..7acfee5350 100644
--- a/board/atmel/at91sam9rlek/Makefile
+++ b/board/atmel/at91sam9rlek/Makefile
@@ -10,5 +10,5 @@
 #
 
 obj-y += at91sam9rlek.o
-obj-y += led.o
+obj-$(CONFIG_AT91_LED) += led.o
 obj-$(CONFIG_HAS_DATAFLASH) += partition.o
diff --git a/configs/at91sam9rlek_dataflash_defconfig b/configs/at91sam9rlek_dataflash_defconfig
index 49e1353b7d..24fbfe619c 100644
--- a/configs/at91sam9rlek_dataflash_defconfig
+++ b/configs/at91sam9rlek_dataflash_defconfig
@@ -1,6 +1,8 @@
 CONFIG_ARM=y
 CONFIG_ARCH_AT91=y
 CONFIG_TARGET_AT91SAM9RLEK=y
+CONFIG_SYS_MALLOC_F_LEN=0x2000
+CONFIG_DEFAULT_DEVICE_TREE="at91sam9rlek"
 CONFIG_SYS_EXTRA_OPTIONS="AT91SAM9RL,SYS_USE_DATAFLASH"
 CONFIG_BOOTDELAY=3
 # CONFIG_CONSOLE_MUX is not set
@@ -20,5 +22,17 @@ CONFIG_CMD_MMC=y
 # CONFIG_CMD_NET is not set
 # CONFIG_CMD_NFS is not set
 CONFIG_CMD_FAT=y
+CONFIG_OF_CONTROL=y
+CONFIG_DM=y
+CONFIG_CLK=y
+CONFIG_CLK_AT91=y
+CONFIG_AT91_UTMI=y
+CONFIG_DM_GPIO=y
+CONFIG_AT91_GPIO=y
+CONFIG_DM_MMC=y
+CONFIG_GENERIC_ATMEL_MCI=y
+CONFIG_PINCTRL=y
+CONFIG_PINCTRL_AT91=y
+CONFIG_DM_SERIAL=y
+CONFIG_ATMEL_USART=y
 CONFIG_LCD=y
-CONFIG_OF_LIBFDT=y
diff --git a/configs/at91sam9rlek_mmc_defconfig b/configs/at91sam9rlek_mmc_defconfig
index 483d9b68ec..a46deac284 100644
--- a/configs/at91sam9rlek_mmc_defconfig
+++ b/configs/at91sam9rlek_mmc_defconfig
@@ -1,6 +1,8 @@
 CONFIG_ARM=y
 CONFIG_ARCH_AT91=y
 CONFIG_TARGET_AT91SAM9RLEK=y
+CONFIG_SYS_MALLOC_F_LEN=0x2000
+CONFIG_DEFAULT_DEVICE_TREE="at91sam9rlek"
 CONFIG_SYS_EXTRA_OPTIONS="AT91SAM9RL,SYS_USE_MMC"
 CONFIG_BOOTDELAY=3
 # CONFIG_CONSOLE_MUX is not set
@@ -20,5 +22,17 @@ CONFIG_CMD_MMC=y
 # CONFIG_CMD_NET is not set
 # CONFIG_CMD_NFS is not set
 CONFIG_CMD_FAT=y
+CONFIG_OF_CONTROL=y
+CONFIG_DM=y
+CONFIG_CLK=y
+CONFIG_CLK_AT91=y
+CONFIG_AT91_UTMI=y
+CONFIG_DM_GPIO=y
+CONFIG_AT91_GPIO=y
+CONFIG_DM_MMC=y
+CONFIG_GENERIC_ATMEL_MCI=y
+CONFIG_PINCTRL=y
+CONFIG_PINCTRL_AT91=y
+CONFIG_DM_SERIAL=y
+CONFIG_ATMEL_USART=y
 CONFIG_LCD=y
-CONFIG_OF_LIBFDT=y
diff --git a/configs/at91sam9rlek_nandflash_defconfig b/configs/at91sam9rlek_nandflash_defconfig
index d7f2d7f1b3..b6400d0317 100644
--- a/configs/at91sam9rlek_nandflash_defconfig
+++ b/configs/at91sam9rlek_nandflash_defconfig
@@ -1,6 +1,8 @@
 CONFIG_ARM=y
 CONFIG_ARCH_AT91=y
 CONFIG_TARGET_AT91SAM9RLEK=y
+CONFIG_SYS_MALLOC_F_LEN=0x2000
+CONFIG_DEFAULT_DEVICE_TREE="at91sam9rlek"
 CONFIG_SYS_EXTRA_OPTIONS="AT91SAM9RL,SYS_USE_NANDFLASH"
 CONFIG_BOOTDELAY=3
 # CONFIG_CONSOLE_MUX is not set
@@ -20,5 +22,17 @@ CONFIG_CMD_MMC=y
 # CONFIG_CMD_NET is not set
 # CONFIG_CMD_NFS is not set
 CONFIG_CMD_FAT=y
+CONFIG_OF_CONTROL=y
+CONFIG_DM=y
+CONFIG_CLK=y
+CONFIG_CLK_AT91=y
+CONFIG_AT91_UTMI=y
+CONFIG_DM_GPIO=y
+CONFIG_AT91_GPIO=y
+CONFIG_DM_MMC=y
+CONFIG_GENERIC_ATMEL_MCI=y
+CONFIG_PINCTRL=y
+CONFIG_PINCTRL_AT91=y
+CONFIG_DM_SERIAL=y
+CONFIG_ATMEL_USART=y
 CONFIG_LCD=y
-CONFIG_OF_LIBFDT=y
diff --git a/include/configs/at91sam9rlek.h b/include/configs/at91sam9rlek.h
index 8752f1f3b6..afc924d825 100644
--- a/include/configs/at91sam9rlek.h
+++ b/include/configs/at91sam9rlek.h
@@ -29,18 +29,11 @@
 #define CONFIG_INITRD_TAG		1
 
 #define CONFIG_ATMEL_LEGACY
-#define CONFIG_AT91_GPIO		1
-#define CONFIG_AT91_GPIO_PULLUP		1
 
 /*
  * Hardware drivers
  */
 
-/* serial console */
-#define CONFIG_ATMEL_USART
-#define CONFIG_USART_BASE		ATMEL_BASE_DBGU
-#define CONFIG_USART_ID			ATMEL_ID_SYS
-
 /* LCD */
 #define LCD_BPP				LCD_COLOR8
 #define CONFIG_LCD_LOGO			1
@@ -53,13 +46,6 @@
 /* Let board_init_f handle the framebuffer allocation */
 #undef CONFIG_FB_ADDR
 
-/* LED */
-#define CONFIG_AT91_LED
-#define	CONFIG_RED_LED		AT91_PIN_PD14	/* this is the power led */
-#define	CONFIG_GREEN_LED	AT91_PIN_PD15	/* this is the user1 led */
-#define	CONFIG_YELLOW_LED	AT91_PIN_PD16	/* this is the user2 led */
-
-
 /*
  * Command line configuration.
  */
@@ -72,7 +58,7 @@
 #define CONFIG_SYS_SDRAM_SIZE		0x04000000
 
 #define CONFIG_SYS_INIT_SP_ADDR \
-	(ATMEL_BASE_SRAM + 0x1000 - GENERATED_GBL_DATA_SIZE)
+	(ATMEL_BASE_SRAM + 16 * 1024 - GENERATED_GBL_DATA_SIZE)
 
 /* DataFlash */
 #define CONFIG_ATMEL_DATAFLASH_SPI
@@ -98,12 +84,6 @@
 
 #endif
 
-/* MMC */
-
-#ifdef CONFIG_CMD_MMC
-#define CONFIG_GENERIC_ATMEL_MCI
-#endif
-
 /* Ethernet - not present */
 
 /* USB - not supported */
-- 
2.11.0

^ permalink raw reply related	[flat|nested] 7+ messages in thread

* [U-Boot] [PATCH v2 1/3] configs: at91sam9rlek: Update for DT and DM support
  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
  0 siblings, 0 replies; 7+ messages in thread
From: Simon Glass @ 2017-04-16 19:31 UTC (permalink / raw)
  To: u-boot

On 12 April 2017 at 03:18, Wenyou Yang <wenyou.yang@atmel.com> wrote:
> Update the configuration files to support the device tree and driver
> model. The device clock and pins configuration are handled by the
> clock and the pinctrl drivers respectively.
>
> Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
> ---
>
> Changes in v2:
>  - Add converting UART to support DM_SERIAL and used in the
>    board_init_f stage.
>  - Remove unused LED feature.
>  - Improve the commit log.
>
>  board/atmel/at91sam9rlek/Makefile        |  2 +-
>  configs/at91sam9rlek_dataflash_defconfig | 16 +++++++++++++++-
>  configs/at91sam9rlek_mmc_defconfig       | 16 +++++++++++++++-
>  configs/at91sam9rlek_nandflash_defconfig | 16 +++++++++++++++-
>  include/configs/at91sam9rlek.h           | 22 +---------------------
>  5 files changed, 47 insertions(+), 25 deletions(-)

Reviewed-by: Simon Glass <sjg@chromium.org>

^ permalink raw reply	[flat|nested] 7+ messages in thread

* [U-Boot] [PATCH v2 2/3] board: at91sam9rlek: Clean up code
  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
@ 2017-04-12  9:18 ` Wenyou Yang
  2017-04-16 19:31   ` Simon Glass
  2017-04-12  9:18 ` [U-Boot] [PATCH v2 3/3] board: at91sam9rlek: Enable early debug UART Wenyou Yang
  2 siblings, 1 reply; 7+ messages in thread
From: Wenyou Yang @ 2017-04-12  9:18 UTC (permalink / raw)
  To: u-boot

Since the introduction of the pinctrl and clk drivers and the
device tree files, remove unneeded hard coded related code from
the board file.

Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
---

Changes in v2: None

 board/atmel/at91sam9rlek/at91sam9rlek.c | 19 -------------------
 1 file changed, 19 deletions(-)

diff --git a/board/atmel/at91sam9rlek/at91sam9rlek.c b/board/atmel/at91sam9rlek/at91sam9rlek.c
index 994f246078..0c4d51765e 100644
--- a/board/atmel/at91sam9rlek/at91sam9rlek.c
+++ b/board/atmel/at91sam9rlek/at91sam9rlek.c
@@ -18,10 +18,6 @@
 
 #include <lcd.h>
 #include <atmel_lcdc.h>
-#include <atmel_mci.h>
-#if defined(CONFIG_RESET_PHY_R) && defined(CONFIG_MACB)
-#include <net.h>
-#endif
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -159,22 +155,8 @@ void lcd_show_board_info(void)
 #endif /* CONFIG_LCD_INFO */
 #endif
 
-#ifdef CONFIG_GENERIC_ATMEL_MCI
-int board_mmc_init(bd_t *bis)
-{
-	at91_mci_hw_init();
-
-	return atmel_mci_init((void *)ATMEL_BASE_MCI);
-}
-#endif
-
 int board_early_init_f(void)
 {
-	at91_periph_clk_enable(ATMEL_ID_PIOA);
-	at91_periph_clk_enable(ATMEL_ID_PIOB);
-	at91_periph_clk_enable(ATMEL_ID_PIOC);
-	at91_periph_clk_enable(ATMEL_ID_PIOD);
-
 	return 0;
 }
 
@@ -185,7 +167,6 @@ int board_init(void)
 	/* adress of boot parameters */
 	gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
 
-	at91_seriald_hw_init();
 #ifdef CONFIG_CMD_NAND
 	at91sam9rlek_nand_hw_init();
 #endif
-- 
2.11.0

^ permalink raw reply related	[flat|nested] 7+ messages in thread

* [U-Boot] [PATCH v2 2/3] board: at91sam9rlek: Clean up code
  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
  0 siblings, 0 replies; 7+ messages in thread
From: Simon Glass @ 2017-04-16 19:31 UTC (permalink / raw)
  To: u-boot

On 12 April 2017 at 03:18, Wenyou Yang <wenyou.yang@atmel.com> wrote:
> Since the introduction of the pinctrl and clk drivers and the
> device tree files, remove unneeded hard coded related code from
> the board file.
>
> Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
> ---
>
> Changes in v2: None
>
>  board/atmel/at91sam9rlek/at91sam9rlek.c | 19 -------------------
>  1 file changed, 19 deletions(-)

Reviewed-by: Simon Glass <sjg@chromium.org>

^ permalink raw reply	[flat|nested] 7+ messages in thread

* [U-Boot] [PATCH v2 3/3] board: at91sam9rlek: Enable early debug UART
  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
  2017-04-12  9:18 ` [U-Boot] [PATCH v2 2/3] board: at91sam9rlek: Clean up code Wenyou Yang
@ 2017-04-12  9:18 ` Wenyou Yang
  2017-04-16 19:31   ` Simon Glass
  2 siblings, 1 reply; 7+ messages in thread
From: Wenyou Yang @ 2017-04-12  9:18 UTC (permalink / raw)
  To: u-boot

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

^ permalink raw reply related	[flat|nested] 7+ messages in thread

* [U-Boot] [PATCH v2 3/3] board: at91sam9rlek: Enable early debug UART
  2017-04-12  9:18 ` [U-Boot] [PATCH v2 3/3] board: at91sam9rlek: Enable early debug UART Wenyou Yang
@ 2017-04-16 19:31   ` Simon Glass
  0 siblings, 0 replies; 7+ messages in thread
From: Simon Glass @ 2017-04-16 19:31 UTC (permalink / raw)
  To: u-boot

On 12 April 2017 at 03:18, Wenyou Yang <wenyou.yang@atmel.com> wrote:
> 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(+)

Reviewed-by: Simon Glass <sjg@chromium.org>

^ permalink raw reply	[flat|nested] 7+ messages in thread

end of thread, other threads:[~2017-04-16 19:31 UTC | newest]

Thread overview: 7+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
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 ` [U-Boot] [PATCH v2 3/3] board: at91sam9rlek: Enable early debug UART Wenyou Yang
2017-04-16 19:31   ` Simon Glass

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