From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wenyou Yang Date: Thu, 23 Mar 2017 14:11:03 +0800 Subject: [U-Boot] [PATCH v4 4/7] board: sama5d4_xplained: enable early debug UART In-Reply-To: <20170323061106.16160-1-wenyou.yang@atmel.com> References: <20170323061106.16160-1-wenyou.yang@atmel.com> Message-ID: <20170323061106.16160-5-wenyou.yang@atmel.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: quoted-printable To: u-boot@lists.denx.de Enable the early debug UART to debug problems when an ICE or other debug mechanism is not available. Signed-off-by: Wenyou Yang Reviewed-by: Andreas Bie=C3=9Fmann --- Changes in v4: None Changes in v3: None Changes in v2: None board/atmel/sama5d4_xplained/sama5d4_xplained.c | 13 ++++++++++++- configs/sama5d4_xplained_mmc_defconfig | 6 ++++++ configs/sama5d4_xplained_nandflash_defconfig | 6 ++++++ configs/sama5d4_xplained_spiflash_defconfig | 6 ++++++ 4 files changed, 30 insertions(+), 1 deletion(-) diff --git a/board/atmel/sama5d4_xplained/sama5d4_xplained.c b/board/atmel/= sama5d4_xplained/sama5d4_xplained.c index 30d4fb73bf..94ecab28b9 100644 --- a/board/atmel/sama5d4_xplained/sama5d4_xplained.c +++ b/board/atmel/sama5d4_xplained/sama5d4_xplained.c @@ -15,6 +15,7 @@ #include #include #include +#include #include #include #include @@ -165,6 +166,7 @@ void lcd_show_board_info(void) =20 #endif /* CONFIG_LCD */ =20 +#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 @@ static void sama5d4_xplained_serial3_hw_init(void) at91_periph_clk_enable(ATMEL_ID_USART3); } =20 -int board_early_init_f(void) +void board_debug_uart_init(void) { sama5d4_xplained_serial3_hw_init(); +} +#endif =20 +#ifdef CONFIG_BOARD_EARLY_INIT_F +int board_early_init_f(void) +{ +#ifdef CONFIG_DEBUG_UART + debug_uart_init(); +#endif return 0; } +#endif =20 int board_init(void) { diff --git a/configs/sama5d4_xplained_mmc_defconfig b/configs/sama5d4_xplai= ned_mmc_defconfig index 72c239a0f8..2b95a16fc9 100644 --- a/configs/sama5d4_xplained_mmc_defconfig +++ b/configs/sama5d4_xplained_mmc_defconfig @@ -53,6 +53,12 @@ CONFIG_PINCTRL=3Dy CONFIG_SPL_PINCTRL=3Dy CONFIG_PINCTRL_AT91=3Dy CONFIG_DM_SERIAL=3Dy +CONFIG_DEBUG_UART=3Dy +CONFIG_DEBUG_UART_ATMEL=3Dy +CONFIG_DEBUG_UART_BASE=3D0xfc00c000 +CONFIG_DEBUG_UART_CLOCK=3D88000000 +CONFIG_DEBUG_UART_BOARD_INIT=3Dy +CONFIG_DEBUG_UART_ANNOUNCE=3Dy CONFIG_ATMEL_USART=3Dy CONFIG_DM_SPI=3Dy CONFIG_ATMEL_SPI=3Dy diff --git a/configs/sama5d4_xplained_nandflash_defconfig b/configs/sama5d4= _xplained_nandflash_defconfig index 0f6c2f4964..b0466c2973 100644 --- a/configs/sama5d4_xplained_nandflash_defconfig +++ b/configs/sama5d4_xplained_nandflash_defconfig @@ -50,6 +50,12 @@ CONFIG_PINCTRL=3Dy CONFIG_SPL_PINCTRL=3Dy CONFIG_PINCTRL_AT91=3Dy CONFIG_DM_SERIAL=3Dy +CONFIG_DEBUG_UART=3Dy +CONFIG_DEBUG_UART_ATMEL=3Dy +CONFIG_DEBUG_UART_BASE=3D0xfc00c000 +CONFIG_DEBUG_UART_CLOCK=3D88000000 +CONFIG_DEBUG_UART_BOARD_INIT=3Dy +CONFIG_DEBUG_UART_ANNOUNCE=3Dy CONFIG_ATMEL_USART=3Dy CONFIG_DM_SPI=3Dy CONFIG_ATMEL_SPI=3Dy diff --git a/configs/sama5d4_xplained_spiflash_defconfig b/configs/sama5d4_= xplained_spiflash_defconfig index 96816d4472..57dec69b38 100644 --- a/configs/sama5d4_xplained_spiflash_defconfig +++ b/configs/sama5d4_xplained_spiflash_defconfig @@ -52,6 +52,12 @@ CONFIG_PINCTRL=3Dy CONFIG_SPL_PINCTRL=3Dy CONFIG_PINCTRL_AT91=3Dy CONFIG_DM_SERIAL=3Dy +CONFIG_DEBUG_UART=3Dy +CONFIG_DEBUG_UART_ATMEL=3Dy +CONFIG_DEBUG_UART_BASE=3D0xfc00c000 +CONFIG_DEBUG_UART_CLOCK=3D88000000 +CONFIG_DEBUG_UART_BOARD_INIT=3Dy +CONFIG_DEBUG_UART_ANNOUNCE=3Dy CONFIG_ATMEL_USART=3Dy CONFIG_DM_SPI=3Dy CONFIG_ATMEL_SPI=3Dy --=20 2.11.0