[U-Boot] [PATCH v5 3/3] board: at91sam9260ek/9g20ek: Enable early debug UART

Yang, Wenyou Wenyou.Yang at Microchip.com
Tue Apr 18 08:04:50 UTC 2017


Hi Simon,

The patches has been rebased on the master branch of u-boot-dm git tree

Could you help take them?


Best Regards,

Wenyou Yang

On 2017/4/18 15:18, Wenyou Yang 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 at atmel.com>
> Reviewed-by: Simon Glass <sjg at chromium.org>
> ---
>
> Changes in v5:
>   - Rebase on the master branch(ad46af0e76) of u-boot-dm git tree.
>   - Update the cover-letter.
>   - Add Reviewed-by tag.
>
> Changes in v4:
>   - Rebase on the master branch (22e10be45) of u-boot-dm git tree.
>   - Update the cover-letter.
>
> Changes in v3:
>   - Move out [PATCH 1/3] ARM: dts: at91: add dts file for at91sam9g20/at91sam9260.
>   - Add [PATCH]: board: at91sam9260ek/9g20ek: Enable early debug UART.
>
> Changes in v2: None
>
>   board/atmel/at91sam9260ek/at91sam9260ek.c      | 13 +++++++++++++
>   configs/at91sam9260ek_dataflash_cs0_defconfig  |  6 ++++++
>   configs/at91sam9260ek_dataflash_cs1_defconfig  |  6 ++++++
>   configs/at91sam9260ek_nandflash_defconfig      |  6 ++++++
>   configs/at91sam9g20ek_2mmc_defconfig           |  6 ++++++
>   configs/at91sam9g20ek_2mmc_nandflash_defconfig |  6 ++++++
>   configs/at91sam9g20ek_dataflash_cs0_defconfig  |  6 ++++++
>   configs/at91sam9g20ek_dataflash_cs1_defconfig  |  6 ++++++
>   configs/at91sam9g20ek_nandflash_defconfig      |  6 ++++++
>   configs/at91sam9xeek_dataflash_cs0_defconfig   |  6 ++++++
>   configs/at91sam9xeek_dataflash_cs1_defconfig   |  6 ++++++
>   configs/at91sam9xeek_nandflash_defconfig       |  6 ++++++
>   12 files changed, 79 insertions(+)
>
> diff --git a/board/atmel/at91sam9260ek/at91sam9260ek.c b/board/atmel/at91sam9260ek/at91sam9260ek.c
> index e28242f034..b087fce9b8 100644
> --- a/board/atmel/at91sam9260ek/at91sam9260ek.c
> +++ b/board/atmel/at91sam9260ek/at91sam9260ek.c
> @@ -7,6 +7,7 @@
>    */
>   
>   #include <common.h>
> +#include <debug_uart.h>
>   #include <asm/io.h>
>   #include <asm/arch/at91sam9260_matrix.h>
>   #include <asm/arch/at91sam9_smc.h>
> @@ -61,10 +62,22 @@ static void at91sam9260ek_nand_hw_init(void)
>   }
>   #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/at91sam9260ek_dataflash_cs0_defconfig b/configs/at91sam9260ek_dataflash_cs0_defconfig
> index 6d34e215ff..cc3f0a8b34 100644
> --- a/configs/at91sam9260ek_dataflash_cs0_defconfig
> +++ b/configs/at91sam9260ek_dataflash_cs0_defconfig
> @@ -31,6 +31,12 @@ 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=0xfffff200
> +CONFIG_DEBUG_UART_CLOCK=132000000
> +CONFIG_DEBUG_UART_BOARD_INIT=y
> +CONFIG_DEBUG_UART_ANNOUNCE=y
>   CONFIG_ATMEL_USART=y
>   CONFIG_USB=y
>   CONFIG_USB_STORAGE=y
> diff --git a/configs/at91sam9260ek_dataflash_cs1_defconfig b/configs/at91sam9260ek_dataflash_cs1_defconfig
> index 85f01f34d2..cb621dfb9f 100644
> --- a/configs/at91sam9260ek_dataflash_cs1_defconfig
> +++ b/configs/at91sam9260ek_dataflash_cs1_defconfig
> @@ -31,6 +31,12 @@ 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=0xfffff200
> +CONFIG_DEBUG_UART_CLOCK=132000000
> +CONFIG_DEBUG_UART_BOARD_INIT=y
> +CONFIG_DEBUG_UART_ANNOUNCE=y
>   CONFIG_ATMEL_USART=y
>   CONFIG_USB=y
>   CONFIG_USB_STORAGE=y
> diff --git a/configs/at91sam9260ek_nandflash_defconfig b/configs/at91sam9260ek_nandflash_defconfig
> index d9a7a48e88..20d3565377 100644
> --- a/configs/at91sam9260ek_nandflash_defconfig
> +++ b/configs/at91sam9260ek_nandflash_defconfig
> @@ -31,6 +31,12 @@ 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=0xfffff200
> +CONFIG_DEBUG_UART_CLOCK=132000000
> +CONFIG_DEBUG_UART_BOARD_INIT=y
> +CONFIG_DEBUG_UART_ANNOUNCE=y
>   CONFIG_ATMEL_USART=y
>   CONFIG_USB=y
>   CONFIG_USB_STORAGE=y
> diff --git a/configs/at91sam9g20ek_2mmc_defconfig b/configs/at91sam9g20ek_2mmc_defconfig
> index ef7bd402c7..18e88a7445 100644
> --- a/configs/at91sam9g20ek_2mmc_defconfig
> +++ b/configs/at91sam9g20ek_2mmc_defconfig
> @@ -33,6 +33,12 @@ 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=0xfffff200
> +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/at91sam9g20ek_2mmc_nandflash_defconfig b/configs/at91sam9g20ek_2mmc_nandflash_defconfig
> index 398be7e60a..fb0d87ab4b 100644
> --- a/configs/at91sam9g20ek_2mmc_nandflash_defconfig
> +++ b/configs/at91sam9g20ek_2mmc_nandflash_defconfig
> @@ -33,6 +33,12 @@ 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=0xfffff200
> +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/at91sam9g20ek_dataflash_cs0_defconfig b/configs/at91sam9g20ek_dataflash_cs0_defconfig
> index b8105738aa..27c1c10df1 100644
> --- a/configs/at91sam9g20ek_dataflash_cs0_defconfig
> +++ b/configs/at91sam9g20ek_dataflash_cs0_defconfig
> @@ -31,6 +31,12 @@ 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=0xfffff200
> +CONFIG_DEBUG_UART_CLOCK=132000000
> +CONFIG_DEBUG_UART_BOARD_INIT=y
> +CONFIG_DEBUG_UART_ANNOUNCE=y
>   CONFIG_ATMEL_USART=y
>   CONFIG_USB=y
>   CONFIG_USB_STORAGE=y
> diff --git a/configs/at91sam9g20ek_dataflash_cs1_defconfig b/configs/at91sam9g20ek_dataflash_cs1_defconfig
> index 18e2a17664..1826e6ca98 100644
> --- a/configs/at91sam9g20ek_dataflash_cs1_defconfig
> +++ b/configs/at91sam9g20ek_dataflash_cs1_defconfig
> @@ -31,6 +31,12 @@ 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=0xfffff200
> +CONFIG_DEBUG_UART_CLOCK=132000000
> +CONFIG_DEBUG_UART_BOARD_INIT=y
> +CONFIG_DEBUG_UART_ANNOUNCE=y
>   CONFIG_ATMEL_USART=y
>   CONFIG_USB=y
>   CONFIG_USB_STORAGE=y
> diff --git a/configs/at91sam9g20ek_nandflash_defconfig b/configs/at91sam9g20ek_nandflash_defconfig
> index daa41dcba7..1ac88631bc 100644
> --- a/configs/at91sam9g20ek_nandflash_defconfig
> +++ b/configs/at91sam9g20ek_nandflash_defconfig
> @@ -31,6 +31,12 @@ 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=0xfffff200
> +CONFIG_DEBUG_UART_CLOCK=132000000
> +CONFIG_DEBUG_UART_BOARD_INIT=y
> +CONFIG_DEBUG_UART_ANNOUNCE=y
>   CONFIG_ATMEL_USART=y
>   CONFIG_USB=y
>   CONFIG_USB_STORAGE=y
> diff --git a/configs/at91sam9xeek_dataflash_cs0_defconfig b/configs/at91sam9xeek_dataflash_cs0_defconfig
> index e38b718129..80673d2b63 100644
> --- a/configs/at91sam9xeek_dataflash_cs0_defconfig
> +++ b/configs/at91sam9xeek_dataflash_cs0_defconfig
> @@ -31,6 +31,12 @@ 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=0xfffff200
> +CONFIG_DEBUG_UART_CLOCK=132000000
> +CONFIG_DEBUG_UART_BOARD_INIT=y
> +CONFIG_DEBUG_UART_ANNOUNCE=y
>   CONFIG_ATMEL_USART=y
>   CONFIG_USB=y
>   CONFIG_USB_STORAGE=y
> diff --git a/configs/at91sam9xeek_dataflash_cs1_defconfig b/configs/at91sam9xeek_dataflash_cs1_defconfig
> index bc7eb03f87..8922065d38 100644
> --- a/configs/at91sam9xeek_dataflash_cs1_defconfig
> +++ b/configs/at91sam9xeek_dataflash_cs1_defconfig
> @@ -31,6 +31,12 @@ 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=0xfffff200
> +CONFIG_DEBUG_UART_CLOCK=132000000
> +CONFIG_DEBUG_UART_BOARD_INIT=y
> +CONFIG_DEBUG_UART_ANNOUNCE=y
>   CONFIG_ATMEL_USART=y
>   CONFIG_USB=y
>   CONFIG_USB_STORAGE=y
> diff --git a/configs/at91sam9xeek_nandflash_defconfig b/configs/at91sam9xeek_nandflash_defconfig
> index 7e59335756..9c28a59fe3 100644
> --- a/configs/at91sam9xeek_nandflash_defconfig
> +++ b/configs/at91sam9xeek_nandflash_defconfig
> @@ -31,6 +31,12 @@ 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=0xfffff200
> +CONFIG_DEBUG_UART_CLOCK=132000000
> +CONFIG_DEBUG_UART_BOARD_INIT=y
> +CONFIG_DEBUG_UART_ANNOUNCE=y
>   CONFIG_ATMEL_USART=y
>   CONFIG_USB=y
>   CONFIG_USB_STORAGE=y



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