From patchwork Mon May 13 04:20:16 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sonic Zhang X-Patchwork-Id: 243262 X-Patchwork-Delegate: sonic.adi@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 73EB82C00A4 for ; Mon, 13 May 2013 14:24:53 +1000 (EST) Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id B66F14A054; Mon, 13 May 2013 06:24:40 +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 a+xGkBc6gDqv; Mon, 13 May 2013 06:24:40 +0200 (CEST) Received: from theia.denx.de (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 7A9D14A044; Mon, 13 May 2013 06:24:29 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id C650A4A032 for ; Mon, 13 May 2013 06:24:27 +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 20EaqgIhjDJT for ; Mon, 13 May 2013 06:24:20 +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 ch1outboundpool.messaging.microsoft.com (ch1ehsobe006.messaging.microsoft.com [216.32.181.186]) by theia.denx.de (Postfix) with ESMTPS id 5522F4A046 for ; Mon, 13 May 2013 06:23:16 +0200 (CEST) Received: from mail198-ch1-R.bigfish.com (10.43.68.227) by CH1EHSOBE014.bigfish.com (10.43.70.64) with Microsoft SMTP Server id 14.1.225.23; Mon, 13 May 2013 04:23:14 +0000 Received: from mail198-ch1 (localhost [127.0.0.1]) by mail198-ch1-R.bigfish.com (Postfix) with ESMTP id C9EF73808DE; Mon, 13 May 2013 04:23:14 +0000 (UTC) X-Forefront-Antispam-Report: CIP:137.71.25.55; KIP:(null); UIP:(null); IPV:NLI; H:nwd2mta1.analog.com; RD:nwd2mail10.analog.com; EFVD:NLI X-SpamScore: 12 X-BigFish: VS12(zzzz1f42h1ee6h1ce5h1fdah1202h1fd0h1e76h1d1ah1cabh1d2ah1fc6hzz8275bhz2ei87h2a8h668h839hd24he5bh1288h12a5h12a9h12bdh12e5h1354h137ah139eh13b6h13eah1441h1504h1537h15a8h162dh1631h1758h17eeh1898h18e1h1946h19b5h1b0ah1d0ch1d2eh1d3fhff4m1355m129fi1155h) Received-SPF: neutral (mail198-ch1: 137.71.25.55 is neither permitted nor denied by domain of gmail.com) client-ip=137.71.25.55; envelope-from=sonic.adi@gmail.com; helo=nwd2mta1.analog.com ; 1.analog.com ; X-FB-DOMAIN-IP-MATCH: fail Received: from mail198-ch1 (localhost.localdomain [127.0.0.1]) by mail198-ch1 (MessageSwitch) id 1368418992337574_31145; Mon, 13 May 2013 04:23:12 +0000 (UTC) Received: from CH1EHSMHS043.bigfish.com (snatpool1.int.messaging.microsoft.com [10.43.68.243]) by mail198-ch1.bigfish.com (Postfix) with ESMTP id 4E6F734008A; Mon, 13 May 2013 04:23:12 +0000 (UTC) Received: from nwd2mta1.analog.com (137.71.25.55) by CH1EHSMHS043.bigfish.com (10.43.69.252) with Microsoft SMTP Server (TLS) id 14.1.225.23; Mon, 13 May 2013 04:23:12 +0000 Received: from NWD2HUBCAS5.ad.analog.com (nwd2hubcas5.ad.analog.com [10.64.72.161]) by nwd2mta1.analog.com (8.13.8/8.13.8) with ESMTP id r4D4MViG018861 (version=TLSv1/SSLv3 cipher=AES128-SHA bits=128 verify=FAIL); Sun, 12 May 2013 21:22:31 -0700 Received: from zeus.spd.analog.com (10.64.82.11) by NWD2HUBCAS5.ad.analog.com (10.64.72.161) with Microsoft SMTP Server id 14.3.123.3; Mon, 13 May 2013 00:22:10 -0400 Received: from linux.site ([10.99.22.20]) by zeus.spd.analog.com (8.14.6/8.14.6) with ESMTP id r4D4M9DN011125; Mon, 13 May 2013 00:22:09 -0400 Received: from localhost.localdomain (unknown [10.99.22.72]) by linux.site (Postfix) with ESMTP id 6DEE94270F16; Sun, 12 May 2013 14:55:43 -0600 (MDT) From: Sonic Zhang To: Date: Mon, 13 May 2013 12:20:16 +0800 Message-ID: <1368418817-27670-2-git-send-email-sonic.adi@gmail.com> X-Mailer: git-send-email 1.7.0.4 In-Reply-To: <1368418817-27670-1-git-send-email-sonic.adi@gmail.com> References: <1368418817-27670-1-git-send-email-sonic.adi@gmail.com> MIME-Version: 1.0 Cc: u-boot-devel@blackfin.uclinux.org, Sonic Zhang Subject: [U-Boot] [PATCH v1 2/3] blackfin: Add memory virtual console to blackfin 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: , Sender: u-boot-bounces@lists.denx.de Errors-To: u-boot-bounces@lists.denx.de From: Sonic Zhang Signed-off-by: Sonic Zhang --- arch/blackfin/cpu/serial.c | 60 +++++++++++++++++++++++++++++++++++++++++++- 1 files changed, 59 insertions(+), 1 deletions(-) diff --git a/arch/blackfin/cpu/serial.c b/arch/blackfin/cpu/serial.c index 89290d6..c453a03 100644 --- a/arch/blackfin/cpu/serial.c +++ b/arch/blackfin/cpu/serial.c @@ -351,4 +351,62 @@ void _serial_early_init(void) } #endif -#endif +#elif defined(CONFIG_UART_MEM) + +char serial_logbuf[CONFIG_UART_MEM]; +char *serial_logbuf_head = serial_logbuf; + +int serial_mem_init(void) +{ + serial_logbuf_head = serial_logbuf; + return 0; +} + +void serial_mem_setbrg(void) +{ +} + +int serial_mem_tstc(void) +{ + return 0; +} + +int serial_mem_getc(void) +{ + return 0; +} + +void serial_mem_putc(const char c) +{ + *serial_logbuf_head = c; + if (++serial_logbuf_head == serial_logbuf + CONFIG_UART_MEM) + serial_logbuf_head = serial_logbuf; +} + +void serial_mem_puts(const char *s) +{ + while (*s) + serial_putc(*s++); +} + +struct serial_device bfin_serial_mem_device = { + .name = "bfin_uart_mem", + .start = serial_mem_init, + .setbrg = serial_mem_setbrg, + .getc = serial_mem_getc, + .tstc = serial_mem_tstc, + .putc = serial_mem_putc, + .puts = serial_mem_puts, +}; + + +__weak struct serial_device *default_serial_console(void) +{ + return &bfin_serial_mem_device; +} + +void bfin_serial_initialize(void) +{ + serial_register(&bfin_serial_mem_device); +} +#endif /* CONFIG_UART_MEM */