From patchwork Sat Sep 29 00:31:02 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marek Vasut X-Patchwork-Id: 187979 X-Patchwork-Delegate: marek.vasut@gmail.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 655B42C00CE for ; Sat, 29 Sep 2012 10:43:09 +1000 (EST) Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 5FF9028405; Sat, 29 Sep 2012 02:42:13 +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 X7gg3lq9Om-M; Sat, 29 Sep 2012 02:42:13 +0200 (CEST) Received: from theia.denx.de (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id D63FD28275; Sat, 29 Sep 2012 02:36:26 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 68A8328107 for ; Sat, 29 Sep 2012 02:32:15 +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 tsgzGNSTYjhE for ; Sat, 29 Sep 2012 02:32:14 +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 [212.18.0.9]) by theia.denx.de (Postfix) with ESMTPS id CF19628111 for ; Sat, 29 Sep 2012 02:31:48 +0200 (CEST) Received: from frontend1.mail.m-online.net (unknown [192.168.8.180]) by mail-out.m-online.net (Postfix) with ESMTP id 3XT9g82hBzz4KK7s; Sat, 29 Sep 2012 02:31:48 +0200 (CEST) X-Auth-Info: 7MAhlnTTEZGkxgkSCXoS/FEj2yX+iE4ftrUXXdz//EY= Received: from mashiro.lan (unknown [195.140.253.167]) by smtp-auth.mnet-online.de (Postfix) with ESMTPA id 3XT9g811vMzbbrS; Sat, 29 Sep 2012 02:31:48 +0200 (CEST) From: Marek Vasut To: u-boot@lists.denx.de Date: Sat, 29 Sep 2012 02:31:02 +0200 Message-Id: <1348878687-14194-46-git-send-email-marex@denx.de> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1348878687-14194-1-git-send-email-marex@denx.de> References: <1347837696-3192-1-git-send-email-marex@denx.de> <1348878687-14194-1-git-send-email-marex@denx.de> Cc: Marek Vasut , Tom Rini , Scott McNutt Subject: [U-Boot] [PATCH 45/70] serial: oc: Implement CONFIG_SERIAL_MULTI into OpenCores 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 OpenCores 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 OpenCores driver. Also, add a weak implementation of default_serial_console() returning this driver. Signed-off-by: Marek Vasut Cc: Marek Vasut Cc: Tom Rini Cc: Scott McNutt --- common/serial.c | 2 ++ drivers/serial/opencores_yanu.c | 67 +++++++++++++++++++++++++++++++++++---- 2 files changed, 62 insertions(+), 7 deletions(-) diff --git a/common/serial.c b/common/serial.c index c6a275d..f217093 100644 --- a/common/serial.c +++ b/common/serial.c @@ -75,6 +75,7 @@ serial_initfunc(atmel_serial_initialize); serial_initfunc(lpc32xx_serial_initialize); serial_initfunc(mcf_serial_initialize); serial_initfunc(ns9750_serial_initialize); +serial_initfunc(oc_serial_initialize); void serial_register(struct serial_device *dev) { @@ -128,6 +129,7 @@ void serial_initialize(void) lpc32xx_serial_initialize(); mcf_serial_initialize(); ns9750_serial_initialize(); + oc_serial_initialize(); serial_assign(default_serial_console()->name); } diff --git a/drivers/serial/opencores_yanu.c b/drivers/serial/opencores_yanu.c index f383011..a0dd301 100644 --- a/drivers/serial/opencores_yanu.c +++ b/drivers/serial/opencores_yanu.c @@ -37,7 +37,7 @@ static yanu_uart_t *uart = (yanu_uart_t *)CONFIG_SYS_NIOS_CONSOLE; /* Everything's already setup for fixed-baud PTF assignment*/ -void serial_setbrg (void) +static void oc_serial_setbrg(void) { int n, k; const unsigned max_uns = 0xFFFFFFFF; @@ -68,7 +68,7 @@ void serial_setbrg (void) #else -void serial_setbrg (void) +static void oc_serial_setbrg(void) { int n, k; const unsigned max_uns = 0xFFFFFFFF; @@ -100,7 +100,7 @@ void serial_setbrg (void) #endif /* CONFIG_SYS_NIOS_FIXEDBAUD */ -int serial_init (void) +static int oc_serial_init(void) { unsigned action,control; @@ -141,7 +141,7 @@ int serial_init (void) /*----------------------------------------------------------------------- * YANU CONSOLE *---------------------------------------------------------------------*/ -void serial_putc (char c) +static void oc_serial_putc(char c) { int tx_chars; unsigned status; @@ -161,7 +161,7 @@ void serial_putc (char c) writel((unsigned char)c, &uart->data); } -void serial_puts (const char *s) +static void oc_serial_puts(const char *s) { while (*s != 0) { serial_putc (*s++); @@ -169,7 +169,7 @@ void serial_puts (const char *s) } -int serial_tstc(void) +static int oc_serial_tstc(void) { unsigned status ; @@ -178,7 +178,7 @@ int serial_tstc(void) ((1 << YANU_RFIFO_CHARS_N) - 1)) > 0); } -int serial_getc (void) +statoc int oc_serial_getc(void) { while (serial_tstc() == 0) WATCHDOG_RESET (); @@ -188,3 +188,56 @@ int serial_getc (void) return(readl(&uart->data) & YANU_DATA_CHAR_MASK); } + +#ifdef CONFIG_SERIAL_MULTI +static struct serial_device oc_serial_drv = { + .name = "oc_serial", + .start = oc_serial_init, + .stop = NULL, + .setbrg = oc_serial_setbrg, + .putc = oc_serial_putc, + .puts = oc_serial_puts, + .getc = oc_serial_getc, + .tstc = oc_serial_tstc, +}; + +void oc_serial_initialize(void) +{ + serial_register(&oc_serial_drv); +} + +__weak struct serial_device *default_serial_console(void) +{ + return &oc_serial_drv; +} +#else +int serial_init(void) +{ + return oc_serial_init(); +} + +void serial_setbrg(void) +{ + oc_serial_setbrg(); +} + +void serial_putc(const char c) +{ + oc_serial_putc(c); +} + +void serial_puts(const char *s) +{ + oc_serial_puts(s); +} + +int serial_getc(void) +{ + return oc_serial_getc(); +} + +int serial_tstc(void) +{ + return oc_serial_tstc(); +} +#endif