From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753431AbdEIHwI (ORCPT ); Tue, 9 May 2017 03:52:08 -0400 Received: from mail-sn1nam01on0077.outbound.protection.outlook.com ([104.47.32.77]:53825 "EHLO NAM01-SN1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751652AbdEIHv3 (ORCPT ); Tue, 9 May 2017 03:51:29 -0400 Authentication-Results: spf=fail (sender IP is 192.88.168.50) smtp.mailfrom=nxp.com; nxp.com; dkim=none (message not signed) header.d=none;nxp.com; dmarc=fail action=none header.from=nxp.com; From: Dong Aisheng To: CC: , , , , , , , , Dong Aisheng Subject: [PATCH 5/6] tty: serial: lpuart: add earlycon support for imx7ulp Date: Tue, 9 May 2017 15:50:47 +0800 Message-ID: <1494316248-24052-6-git-send-email-aisheng.dong@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1494316248-24052-1-git-send-email-aisheng.dong@nxp.com> References: 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for imx7ulp during early console setup. Cc: Greg Kroah-Hartman Cc: Jiri Slaby Cc: Fugang Duan Cc: Stefan Agner Cc: Mingkai Hu Cc: Yangbo Lu Signed-off-by: Dong Aisheng --- drivers/tty/serial/fsl_lpuart.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/tty/serial/fsl_lpuart.c b/drivers/tty/serial/fsl_lpuart.c index 1cdb3f9..5b485e8 100644 --- a/drivers/tty/serial/fsl_lpuart.c +++ b/drivers/tty/serial/fsl_lpuart.c @@ -1978,8 +1978,20 @@ static int __init lpuart32_early_console_setup(struct earlycon_device *device, return 0; } +static int __init lpuart32_imx_early_console_setup(struct earlycon_device *device, + const char *opt) +{ + if (!device->port.membase) + return -ENODEV; + + lpuart_reg_off = IMX_REG_OFF; + device->con->write = lpuart32_early_write; + + return 0; +} OF_EARLYCON_DECLARE(lpuart, "fsl,vf610-lpuart", lpuart_early_console_setup); OF_EARLYCON_DECLARE(lpuart32, "fsl,ls1021a-lpuart", lpuart32_early_console_setup); +OF_EARLYCON_DECLARE(lpuart32, "fsl,imx7ulp-lpuart", lpuart32_imx_early_console_setup); EARLYCON_DECLARE(lpuart, lpuart_early_console_setup); EARLYCON_DECLARE(lpuart32, lpuart32_early_console_setup); -- 2.7.4 From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dong Aisheng Subject: [PATCH 5/6] tty: serial: lpuart: add earlycon support for imx7ulp Date: Tue, 9 May 2017 15:50:47 +0800 Message-ID: <1494316248-24052-6-git-send-email-aisheng.dong@nxp.com> References: <1494316248-24052-1-git-send-email-aisheng.dong@nxp.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1494316248-24052-1-git-send-email-aisheng.dong@nxp.com> Sender: linux-kernel-owner@vger.kernel.org To: linux-serial@vger.kernel.org Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, gregkh@linuxfoundation.org, jslaby@suse.com, fugang.duan@nxp.com, stefan@agner.ch, Mingkai.Hu@nxp.com, yangbo.lu@nxp.com, Dong Aisheng List-Id: linux-serial@vger.kernel.org earlycon is executed quite early before the device tree probe, so we need configure the correct reg_off for imx7ulp during early console setup. Cc: Greg Kroah-Hartman Cc: Jiri Slaby Cc: Fugang Duan Cc: Stefan Agner Cc: Mingkai Hu Cc: Yangbo Lu Signed-off-by: Dong Aisheng --- drivers/tty/serial/fsl_lpuart.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/tty/serial/fsl_lpuart.c b/drivers/tty/serial/fsl_lpuart.c index 1cdb3f9..5b485e8 100644 --- a/drivers/tty/serial/fsl_lpuart.c +++ b/drivers/tty/serial/fsl_lpuart.c @@ -1978,8 +1978,20 @@ static int __init lpuart32_early_console_setup(struct earlycon_device *device, return 0; } +static int __init lpuart32_imx_early_console_setup(struct earlycon_device *device, + const char *opt) +{ + if (!device->port.membase) + return -ENODEV; + + lpuart_reg_off = IMX_REG_OFF; + device->con->write = lpuart32_early_write; + + return 0; +} OF_EARLYCON_DECLARE(lpuart, "fsl,vf610-lpuart", lpuart_early_console_setup); OF_EARLYCON_DECLARE(lpuart32, "fsl,ls1021a-lpuart", lpuart32_early_console_setup); +OF_EARLYCON_DECLARE(lpuart32, "fsl,imx7ulp-lpuart", lpuart32_imx_early_console_setup); EARLYCON_DECLARE(lpuart, lpuart_early_console_setup); EARLYCON_DECLARE(lpuart32, lpuart32_early_console_setup); -- 2.7.4 From mboxrd@z Thu Jan 1 00:00:00 1970 From: aisheng.dong@nxp.com (Dong Aisheng) Date: Tue, 9 May 2017 15:50:47 +0800 Subject: [PATCH 5/6] tty: serial: lpuart: add earlycon support for imx7ulp In-Reply-To: <1494316248-24052-1-git-send-email-aisheng.dong@nxp.com> References: <1494316248-24052-1-git-send-email-aisheng.dong@nxp.com> Message-ID: <1494316248-24052-6-git-send-email-aisheng.dong@nxp.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org earlycon is executed quite early before the device tree probe, so we need configure the correct reg_off for imx7ulp during early console setup. Cc: Greg Kroah-Hartman Cc: Jiri Slaby Cc: Fugang Duan Cc: Stefan Agner Cc: Mingkai Hu Cc: Yangbo Lu Signed-off-by: Dong Aisheng --- drivers/tty/serial/fsl_lpuart.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/tty/serial/fsl_lpuart.c b/drivers/tty/serial/fsl_lpuart.c index 1cdb3f9..5b485e8 100644 --- a/drivers/tty/serial/fsl_lpuart.c +++ b/drivers/tty/serial/fsl_lpuart.c @@ -1978,8 +1978,20 @@ static int __init lpuart32_early_console_setup(struct earlycon_device *device, return 0; } +static int __init lpuart32_imx_early_console_setup(struct earlycon_device *device, + const char *opt) +{ + if (!device->port.membase) + return -ENODEV; + + lpuart_reg_off = IMX_REG_OFF; + device->con->write = lpuart32_early_write; + + return 0; +} OF_EARLYCON_DECLARE(lpuart, "fsl,vf610-lpuart", lpuart_early_console_setup); OF_EARLYCON_DECLARE(lpuart32, "fsl,ls1021a-lpuart", lpuart32_early_console_setup); +OF_EARLYCON_DECLARE(lpuart32, "fsl,imx7ulp-lpuart", lpuart32_imx_early_console_setup); EARLYCON_DECLARE(lpuart, lpuart_early_console_setup); EARLYCON_DECLARE(lpuart32, lpuart32_early_console_setup); -- 2.7.4