From patchwork Wed Nov 21 08:51:53 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christophe Leroy X-Patchwork-Id: 1000985 X-Patchwork-Delegate: trini@ti.com Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=lists.denx.de (client-ip=81.169.180.215; helo=lists.denx.de; envelope-from=u-boot-bounces@lists.denx.de; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=c-s.fr Received: from lists.denx.de (dione.denx.de [81.169.180.215]) by ozlabs.org (Postfix) with ESMTP id 430Gd00YBVz9s55 for ; Wed, 21 Nov 2018 19:55:47 +1100 (AEDT) Received: by lists.denx.de (Postfix, from userid 105) id 93B1FC22219; Wed, 21 Nov 2018 08:53:59 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on lists.denx.de X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=unavailable autolearn_force=no version=3.4.0 Received: from lists.denx.de (localhost [IPv6:::1]) by lists.denx.de (Postfix) with ESMTP id E2FDBC22235; 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Wed, 21 Nov 2018 09:51:53 +0100 (CET) Received: from po14163vm.idsi0.si.c-s.fr (po15451.idsi0.si.c-s.fr [172.25.231.2]) by messagerie.si.c-s.fr (Postfix) with ESMTP id D56DA8B800; Wed, 21 Nov 2018 09:51:53 +0100 (CET) Received: by po14163vm.idsi0.si.c-s.fr (Postfix, from userid 0) id B7EA969A95; Wed, 21 Nov 2018 08:51:53 +0000 (UTC) Message-Id: In-Reply-To: References: From: Christophe Leroy To: Tom Rini , Jagan Teki Date: Wed, 21 Nov 2018 08:51:53 +0000 (UTC) Cc: u-boot@lists.denx.de Subject: [U-Boot] [PATCH v2 7/9] drivers: serial: get rid of non DM mpc8xx driver 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" Signed-off-by: Christophe Leroy --- drivers/serial/serial.c | 2 - drivers/serial/serial_mpc8xx.c | 97 ++++++------------------------------------ include/serial.h | 1 - 3 files changed, 14 insertions(+), 86 deletions(-) diff --git a/drivers/serial/serial.c b/drivers/serial/serial.c index c499601f000..09365ba6a1e 100644 --- a/drivers/serial/serial.c +++ b/drivers/serial/serial.c @@ -119,7 +119,6 @@ U_BOOT_ENV_CALLBACK(baudrate, on_baudrate); serial_initfunc(atmel_serial_initialize); serial_initfunc(mcf_serial_initialize); serial_initfunc(mpc85xx_serial_initialize); -serial_initfunc(mpc8xx_serial_initialize); serial_initfunc(mxc_serial_initialize); serial_initfunc(ns16550_serial_initialize); serial_initfunc(pl01x_serial_initialize); @@ -173,7 +172,6 @@ void serial_initialize(void) atmel_serial_initialize(); mcf_serial_initialize(); mpc85xx_serial_initialize(); - mpc8xx_serial_initialize(); mxc_serial_initialize(); ns16550_serial_initialize(); pl01x_serial_initialize(); diff --git a/drivers/serial/serial_mpc8xx.c b/drivers/serial/serial_mpc8xx.c index f2d241417a4..50d6e70f177 100644 --- a/drivers/serial/serial_mpc8xx.c +++ b/drivers/serial/serial_mpc8xx.c @@ -59,7 +59,7 @@ static void serial_setdivisor(cpm8xx_t __iomem *cp, int baudrate) * as serial console interface. */ -static void smc_setbrg(void) +static int serial_mpc8xx_setbrg(struct udevice *dev, int baudrate) { immap_t __iomem *im = (immap_t __iomem *)CONFIG_SYS_IMMR; cpm8xx_t __iomem *cp = &(im->im_cpm); @@ -72,10 +72,12 @@ static void smc_setbrg(void) out_be32(&cp->cp_simode, 0); - serial_setdivisor(cp, gd->baudrate); + serial_setdivisor(cp, baudrate); + + return 0; } -static int smc_init(void) +static int serial_mpc8xx_probe(struct udevice *dev) { immap_t __iomem *im = (immap_t __iomem *)CONFIG_SYS_IMMR; smc_t __iomem *sp; @@ -140,7 +142,7 @@ static int smc_init(void) out_8(&sp->smc_smce, 0xff); /* Set up the baud rate generator */ - smc_setbrg(); + serial_mpc8xx_setbrg(dev, gd->baudrate); /* Make the first buffer the only buffer. */ setbits_be16(&rtx->txbd.cbd_sc, BD_SC_WRAP); @@ -167,14 +169,14 @@ static int smc_init(void) return 0; } -static void smc_putc(const char c) +static int serial_mpc8xx_putc(struct udevice *dev, const char c) { immap_t __iomem *im = (immap_t __iomem *)CONFIG_SYS_IMMR; cpm8xx_t __iomem *cpmp = &(im->im_cpm); struct serialbuffer __iomem *rtx; if (c == '\n') - smc_putc('\r'); + serial_mpc8xx_putc(dev, '\r'); rtx = (struct serialbuffer __iomem *)&cpmp->cp_dpmem[CPM_SERIAL_BASE]; @@ -185,17 +187,11 @@ static void smc_putc(const char c) while (in_be16(&rtx->txbd.cbd_sc) & BD_SC_READY) WATCHDOG_RESET(); -} -#ifndef CONFIG_DM_SERIAL -static void smc_puts(const char *s) -{ - while (*s) - smc_putc(*s++); + return 0; } -#endif -static int smc_getc(void) +static int serial_mpc8xx_getc(struct udevice *dev) { immap_t __iomem *im = (immap_t __iomem *)CONFIG_SYS_IMMR; cpm8xx_t __iomem *cpmp = &(im->im_cpm); @@ -225,84 +221,20 @@ static int smc_getc(void) return c; } -static int smc_tstc(void) +static int serial_mpc8xx_pending(struct udevice *dev, bool input) { immap_t __iomem *im = (immap_t __iomem *)CONFIG_SYS_IMMR; cpm8xx_t __iomem *cpmp = &(im->im_cpm); struct serialbuffer __iomem *rtx; + if (!input) + return 0; + rtx = (struct serialbuffer __iomem *)&cpmp->cp_dpmem[CPM_SERIAL_BASE]; return !(in_be16(&rtx->rxbd.cbd_sc) & BD_SC_EMPTY); } -#ifndef CONFIG_DM_SERIAL -struct serial_device serial_smc_device = { - .name = "serial_smc", - .start = smc_init, - .stop = NULL, - .setbrg = smc_setbrg, - .getc = smc_getc, - .tstc = smc_tstc, - .putc = smc_putc, - .puts = smc_puts, -}; - -__weak struct serial_device *default_serial_console(void) -{ - return &serial_smc_device; -} - -void mpc8xx_serial_initialize(void) -{ - serial_register(&serial_smc_device); -} -#endif - -#ifdef CONFIG_DM_SERIAL -static int serial_mpc8xx_setbrg(struct udevice *dev, int baudrate) -{ - immap_t __iomem *im = (immap_t __iomem *)CONFIG_SYS_IMMR; - cpm8xx_t __iomem *cp = &(im->im_cpm); - - /* Set up the baud rate generator. - * See 8xx_io/commproc.c for details. - * - * Wire BRG1 to SMCx - */ - - out_be32(&cp->cp_simode, 0); - - serial_setdivisor(cp, baudrate); - - return 0; -} - -static int serial_mpc8xx_probe(struct udevice *dev) -{ - return smc_init(); -} - -static int serial_mpc8xx_putc(struct udevice *dev, const char ch) -{ - smc_putc(ch); - - return 0; -} - -static int serial_mpc8xx_getc(struct udevice *dev) -{ - return smc_getc(); -} - -static int serial_mpc8xx_pending(struct udevice *dev, bool input) -{ - if (input) - return smc_tstc(); - - return 0; -} - static const struct dm_serial_ops serial_mpc8xx_ops = { .putc = serial_mpc8xx_putc, .pending = serial_mpc8xx_pending, @@ -323,4 +255,3 @@ U_BOOT_DRIVER(serial_mpc8xx) = { .ops = &serial_mpc8xx_ops, .flags = DM_FLAG_PRE_RELOC, }; -#endif diff --git a/include/serial.h b/include/serial.h index ec25db6e601..9133d07fd51 100644 --- a/include/serial.h +++ b/include/serial.h @@ -224,7 +224,6 @@ struct serial_dev_priv { void atmel_serial_initialize(void); void mcf_serial_initialize(void); void mpc85xx_serial_initialize(void); -void mpc8xx_serial_initialize(void); void mxc_serial_initialize(void); void ns16550_serial_initialize(void); void pl01x_serial_initialize(void);