From patchwork Sat Sep 29 21:52:39 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marek Vasut X-Patchwork-Id: 188106 X-Patchwork-Delegate: trini@ti.com Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from theia.denx.de (theia.denx.de [85.214.87.163]) by ozlabs.org (Postfix) with ESMTP id 9DFAB2C00E3 for ; Sun, 30 Sep 2012 08:02:45 +1000 (EST) Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id CA605284B5; Sun, 30 Sep 2012 00:02:36 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at theia.denx.de Received: from theia.denx.de ([127.0.0.1]) by localhost (theia.denx.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id VEmrxgEo+VuH; Sun, 30 Sep 2012 00:02:36 +0200 (CEST) Received: from theia.denx.de (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id D77D828309; Sat, 29 Sep 2012 23:56:48 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 2189628200 for ; Sat, 29 Sep 2012 23:53:55 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at theia.denx.de Received: from theia.denx.de ([127.0.0.1]) by localhost (theia.denx.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id XW9hY77Fg8ir for ; Sat, 29 Sep 2012 23:53:54 +0200 (CEST) X-policyd-weight: NOT_IN_SBL_XBL_SPAMHAUS=-1.5 NOT_IN_SPAMCOP=-1.5 NOT_IN_BL_NJABL=-1.5 (only DNSBL check requested) Received: from mail-out.m-online.net (mail-out.m-online.net [212.18.0.10]) by theia.denx.de (Postfix) with ESMTPS id 0D2152820C for ; Sat, 29 Sep 2012 23:53:25 +0200 (CEST) Received: from frontend1.mail.m-online.net (frontend1.mail.intern.m-online.net [192.168.8.180]) by mail-out.m-online.net (Postfix) with ESMTP id 3XTk5w50wbz3hhqC; Sat, 29 Sep 2012 23:53:24 +0200 (CEST) X-Auth-Info: uttyIfxiHo29YG/cVhLtwKRBzaOPZ+DZUhljcw8yqxU= Received: from mashiro.lan (unknown [195.140.253.167]) by smtp-auth.mnet-online.de (Postfix) with ESMTPA id 3XTk5w3hj8zbbfv; Sat, 29 Sep 2012 23:53:24 +0200 (CEST) From: Marek Vasut To: u-boot@lists.denx.de Date: Sat, 29 Sep 2012 23:52:39 +0200 Message-Id: <1348955586-7109-47-git-send-email-marex@denx.de> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1348955586-7109-1-git-send-email-marex@denx.de> References: <1348878687-14194-1-git-send-email-marex@denx.de> <1348955586-7109-1-git-send-email-marex@denx.de> Cc: Marek Vasut , Tom Rini Subject: [U-Boot] [PATCH 46/72] serial: arm: Implement CONFIG_SERIAL_MULTI into s3c4510b serial driver X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.11 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: u-boot-bounces@lists.denx.de Errors-To: u-boot-bounces@lists.denx.de Implement support for CONFIG_SERIAL_MULTI into s3c4510b serial driver. This driver was so far only usable directly, but this patch also adds support for the multi method. This allows using more than one serial driver alongside the s3c4510b driver. Also, add a weak implementation of default_serial_console() returning this driver. Signed-off-by: Marek Vasut Cc: Marek Vasut Cc: Tom Rini --- common/serial.c | 2 ++ drivers/serial/s3c4510b_uart.c | 65 ++++++++++++++++++++++++++++++++++++---- 2 files changed, 61 insertions(+), 6 deletions(-) diff --git a/common/serial.c b/common/serial.c index f217093..d0a20e9 100644 --- a/common/serial.c +++ b/common/serial.c @@ -76,6 +76,7 @@ serial_initfunc(lpc32xx_serial_initialize); serial_initfunc(mcf_serial_initialize); serial_initfunc(ns9750_serial_initialize); serial_initfunc(oc_serial_initialize); +serial_initfunc(s3c4510b_serial_initialize); void serial_register(struct serial_device *dev) { @@ -130,6 +131,7 @@ void serial_initialize(void) mcf_serial_initialize(); ns9750_serial_initialize(); oc_serial_initialize(); + s3c4510b_serial_initialize(); serial_assign(default_serial_console()->name); } diff --git a/drivers/serial/s3c4510b_uart.c b/drivers/serial/s3c4510b_uart.c index aa378e1..4f7f98e 100644 --- a/drivers/serial/s3c4510b_uart.c +++ b/drivers/serial/s3c4510b_uart.c @@ -80,7 +80,7 @@ static int serial_flush_output(void) } -void serial_setbrg (void) +static void s3c4510b_serial_setbrg(void) { UART_LINE_CTRL ulctrl; UART_CTRL uctrl; @@ -135,7 +135,7 @@ void serial_setbrg (void) * are always 8 data bits, no parity, 1 stop bit, no start bits. * */ -int serial_init (void) +static int s3c4510b_serial_init(void) { #if CONFIG_SERIAL1 == 1 @@ -155,7 +155,7 @@ int serial_init (void) /* * Output a single byte to the serial port. */ -void serial_putc (const char c) +static void s3c4510_serial_putc(const char c) { /* wait for room in the transmit FIFO */ while( !uart->m_stat.bf.txBufEmpty); @@ -174,7 +174,7 @@ void serial_putc (const char c) * Test if an input byte is ready from the serial port. Returns non-zero on * success, 0 otherwise. */ -int serial_tstc (void) +static int s3c4510b_serial_tstc(void) { return uart->m_stat.bf.rxReady; } @@ -184,7 +184,7 @@ int serial_tstc (void) * otherwise. When the function is succesfull, the character read is * written into its argument c. */ -int serial_getc (void) +static int s3c4510b_serial_getc(void) { int rv; @@ -197,7 +197,7 @@ int serial_getc (void) } } -void serial_puts (const char *s) +static void s3c4510b_serial_puts(const char *s) { while (*s) { serial_putc (*s++); @@ -210,3 +210,56 @@ void serial_puts (const char *s) uart->m_ctrl.bf.sendBreak = 0; } + +#ifdef CONFIG_SERIAL_MULTI +static struct serial_device s3c4510b_serial_drv = { + .name = "s3c4510b_serial", + .start = s3c4510b_serial_init, + .stop = NULL, + .setbrg = s3c4510b_serial_setbrg, + .putc = s3c4510b_serial_putc, + .puts = s3c4510b_serial_puts, + .getc = s3c4510b_serial_getc, + .tstc = s3c4510b_serial_tstc, +}; + +void s3c4510b_serial_initialize(void) +{ + serial_register(&s3c4510b_serial_drv); +} + +__weak struct serial_device *default_serial_console(void) +{ + return &s3c4510b_serial_drv; +} +#else +int serial_init(void) +{ + return s3c4510b_serial_init(); +} + +void serial_setbrg(void) +{ + s3c4510b_serial_setbrg(); +} + +void serial_putc(const char c) +{ + s3c4510b_serial_putc(c); +} + +void serial_puts(const char *s) +{ + s3c4510b_serial_puts(s); +} + +int serial_getc(void) +{ + return s3c4510b_serial_getc(); +} + +int serial_tstc(void) +{ + return s3c4510b_serial_tstc(); +} +#endif