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[82.69.54.187]) by smtp.gmail.com with ESMTPSA id a62sm493090wmh.3.2018.01.19.01.53.57 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Fri, 19 Jan 2018 01:53:57 -0800 (PST) From: Ryan Harkin To: u-boot@lists.denx.de, Simon Glass Date: Fri, 19 Jan 2018 09:53:47 +0000 Message-Id: <1516355628-21784-2-git-send-email-ryan.harkin@linaro.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1516355628-21784-1-git-send-email-ryan.harkin@linaro.org> References: <1516355628-21784-1-git-send-email-ryan.harkin@linaro.org> Cc: Breno Lima , Eric Nelson , Stefan Agner Subject: [U-Boot] [PATCH 1/2] serial: mxc: support DTE mode X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.18 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" Add DTE mode support via Kconfig on the MXC uart. Signed-off-by: Ryan Harkin Reviewed-by: Bryan O'Donoghue --- drivers/serial/Kconfig | 7 +++++++ drivers/serial/serial_mxc.c | 10 ++++++++-- 2 files changed, 15 insertions(+), 2 deletions(-) diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig index 122b8e7..0df57c0 100644 --- a/drivers/serial/Kconfig +++ b/drivers/serial/Kconfig @@ -597,4 +597,11 @@ config SYS_SDMR depends on MPC8XX_CONS default 0 +config SERIAL_MXC_DTE_MODE + bool "Use DTE mode for the MXC UART" + default n + help + This is used to set DTE mode on the serial console controlled by + serial_mxc.c. + endmenu diff --git a/drivers/serial/serial_mxc.c b/drivers/serial/serial_mxc.c index cce80a8..e7ea30c 100644 --- a/drivers/serial/serial_mxc.c +++ b/drivers/serial/serial_mxc.c @@ -111,6 +111,12 @@ #define TXTL 2 /* reset default */ #define RXTL 1 /* reset default */ +#ifdef CONFIG_SERIAL_MXC_DTE_MODE +#define MXC_DTE_MODE true +#else +#define MXC_DTE_MODE false +#endif + DECLARE_GLOBAL_DATA_PTR; struct mxc_uart { @@ -189,7 +195,7 @@ static void mxc_serial_setbrg(void) if (!gd->baudrate) gd->baudrate = CONFIG_BAUDRATE; - _mxc_serial_setbrg(mxc_base, clk, gd->baudrate, false); + _mxc_serial_setbrg(mxc_base, clk, gd->baudrate, MXC_DTE_MODE); } static int mxc_serial_getc(void) @@ -367,7 +373,7 @@ static inline void _debug_uart_init(void) _mxc_serial_init(base); _mxc_serial_setbrg(base, CONFIG_DEBUG_UART_CLOCK, - CONFIG_BAUDRATE, false); + CONFIG_BAUDRATE, MXC_DTE_MODE); } static inline void _debug_uart_putc(int ch) From patchwork Fri Jan 19 09:53:48 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ryan Harkin X-Patchwork-Id: 125139 Delivered-To: patch@linaro.org Received: by 10.46.66.141 with SMTP id h13csp215106ljf; Fri, 19 Jan 2018 01:55:18 -0800 (PST) X-Google-Smtp-Source: ACJfBoubagqAMEILaBKcsG5XT/D7yeJwPFxuqw7W5VoW+e9WVqdYNaIxr4r1aFwb/e5zE1cD+GbW X-Received: by 10.80.166.147 with SMTP id e19mr11831603edc.97.1516355718201; Fri, 19 Jan 2018 01:55:18 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1516355718; cv=none; d=google.com; s=arc-20160816; b=xFV+2GuugOwIw++t20dQGv89rrwTMk+71Su4Bo42yk4aot1yFQwrm/TsFgSpFQZ8wl LvXUyXppcP2N6AWxpwWI/DM0lNIM826GO46XqQ7apVFrmi7jNTFVSoCQyRYYai+I46pA LN0sD54XsGz7qpTofFVAMdrPa2KE177Ti1ZvakEfILat2nO6cYYxwj8bpMTGK2Uc029x +SQjuHYcNkuYxsOLIWEF5ZrS8xLXOsscSOpaJUPHzhNwfU4UsRcssgP2dSHgLPfO9Fqh glyMS36mdJJHDUy6Gc1Q0t4c5Ftp/CK8J937Uv+E7nGLX0H3PmOp+K1rK7J4RhYKKmAy C3sg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=sender:errors-to:content-transfer-encoding:mime-version :list-subscribe:list-help:list-post:list-archive:list-unsubscribe :list-id:precedence:subject:cc:references:in-reply-to:message-id :date:to:from:dkim-signature:arc-authentication-results; bh=rNX+RoQA2zmu3vyTXUHizIBzHiIU3QcsHZdeKFGJGPs=; b=ys4gp9E2kenzekVgbhzNfEqZjLD15oxfDdP6cdeqa9WxXmT32IFeuT7inNN5fQbgXV ZifNZpwJrEJgk81VIHTg1U9RFFajYUBVO9wDU3tvKzwupVlGC0rfGcr6MdudZgghQm85 KQeHC1Tc774U1xdKJpXwBpM/iLC2een81mMadvch6rlXFcquW5z7BYAX7qxKw/590Y5H JzW7FSLktZYoq2HQeu9n8B8cyYg7kPEfaN2xmmNudFqWuefGJM/qwOt0ZeFp4bHytKn/ xgO7II9+W8mLs4Wph6wKIVYgAOxR7V3SKh6RM9gdQhtfllqQf+H5wE8NCtC5rBwFUG4I oZlA== ARC-Authentication-Results: i=1; mx.google.com; dkim=neutral (body hash did not verify) header.i=@linaro.org header.s=google header.b=eZfRdSlJ; spf=pass (google.com: best guess record for domain of u-boot-bounces@lists.denx.de designates 81.169.180.215 as permitted sender) smtp.mailfrom=u-boot-bounces@lists.denx.de; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=linaro.org Return-Path: Received: from lists.denx.de (dione.denx.de. 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[82.69.54.187]) by smtp.gmail.com with ESMTPSA id a62sm493090wmh.3.2018.01.19.01.53.58 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Fri, 19 Jan 2018 01:53:58 -0800 (PST) From: Ryan Harkin To: u-boot@lists.denx.de, Simon Glass Date: Fri, 19 Jan 2018 09:53:48 +0000 Message-Id: <1516355628-21784-3-git-send-email-ryan.harkin@linaro.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1516355628-21784-1-git-send-email-ryan.harkin@linaro.org> References: <1516355628-21784-1-git-send-email-ryan.harkin@linaro.org> Cc: Breno Lima , Eric Nelson , Stefan Agner Subject: [U-Boot] [PATCH 2/2] warp7: add support for console on UART6 and mikroBus X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.18 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" Add support to route the serial console on the NXP WaRP7 board to UART6 and the mikroBus. To use UART6 on the WaRP7 board, I add the following lines to configs/warp7_defconfig: +CONFIG_MXC_CONSOLE_NUM=6 +CONFIG_SERIAL_MXC_DTE_MODE=y Signed-off-by: Ryan Harkin Reviewed-by: Bryan O'Donoghue --- board/warp7/Kconfig | 9 +++++++++ board/warp7/warp7.c | 6 ++++++ include/configs/warp7.h | 8 +++++++- 3 files changed, 22 insertions(+), 1 deletion(-) diff --git a/board/warp7/Kconfig b/board/warp7/Kconfig index 61c33fb..5fb4824 100644 --- a/board/warp7/Kconfig +++ b/board/warp7/Kconfig @@ -6,4 +6,13 @@ config SYS_BOARD config SYS_CONFIG_NAME default "warp7" +config MXC_CONSOLE_NUM + int "UART used for the console" + default 1 + help + The UART used for the console, expressed as a 1-based integer. + This is also used to set the console variable passed to the kernel. + Currently, only UART1 and UART6 are supported. Specifying a value + other than 6 will result in using UART1. + endif diff --git a/board/warp7/warp7.c b/board/warp7/warp7.c index d422d63..d345b0e 100644 --- a/board/warp7/warp7.c +++ b/board/warp7/warp7.c @@ -67,6 +67,11 @@ static iomux_v3_cfg_t const uart1_pads[] = { MX7D_PAD_UART1_RX_DATA__UART1_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL), }; +static iomux_v3_cfg_t const uart6_pads[] = { + MX7D_PAD_ECSPI1_MOSI__UART6_DTE_RX | MUX_PAD_CTRL(UART_PAD_CTRL), + MX7D_PAD_ECSPI1_SCLK__UART6_DTE_TX | MUX_PAD_CTRL(UART_PAD_CTRL), +}; + static iomux_v3_cfg_t const usdhc3_pads[] = { MX7D_PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX7D_PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), @@ -84,6 +89,7 @@ static iomux_v3_cfg_t const usdhc3_pads[] = { static void setup_iomux_uart(void) { imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads)); + imx_iomux_v3_setup_multiple_pads(uart6_pads, ARRAY_SIZE(uart6_pads)); }; static struct fsl_esdhc_cfg usdhc_cfg[1] = { diff --git a/include/configs/warp7.h b/include/configs/warp7.h index 11f1bc3..271667d 100644 --- a/include/configs/warp7.h +++ b/include/configs/warp7.h @@ -13,7 +13,13 @@ #define PHYS_SDRAM_SIZE SZ_512M +#if (CONFIG_MXC_CONSOLE_NUM == 6) +#define CONFIG_MXC_UART_BASE UART6_IPS_BASE_ADDR +#define CONSOLE "ttymxc5" +#else #define CONFIG_MXC_UART_BASE UART1_IPS_BASE_ADDR +#define CONSOLE "ttymxc0" +#endif /* Size of malloc() pool */ #define CONFIG_SYS_MALLOC_LEN (35 * SZ_1M) @@ -31,7 +37,7 @@ CONFIG_DFU_ENV_SETTINGS \ "script=boot.scr\0" \ "image=zImage\0" \ - "console=ttymxc0\0" \ + "console=" CONSOLE "\0" \ "ethact=usb_ether\0" \ "fdt_high=0xffffffff\0" \ "initrd_high=0xffffffff\0" \