From patchwork Thu Mar 14 07:29:21 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sonic Zhang X-Patchwork-Id: 227449 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 C45B82C0097 for ; Thu, 14 Mar 2013 18:26:36 +1100 (EST) Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id C42234A15D; Thu, 14 Mar 2013 08:26:33 +0100 (CET) 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 z-XmOXWKnKhT; Thu, 14 Mar 2013 08:26:33 +0100 (CET) Received: from theia.denx.de (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 5F4124A16E; Thu, 14 Mar 2013 08:26:31 +0100 (CET) Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 7EF6A4A15F for ; Thu, 14 Mar 2013 08:26:28 +0100 (CET) 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 TgtWSUgwQY-2 for ; Thu, 14 Mar 2013 08:26:27 +0100 (CET) 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 co9outboundpool.messaging.microsoft.com (co9ehsobe003.messaging.microsoft.com [207.46.163.26]) by theia.denx.de (Postfix) with ESMTPS id 196314A15D for ; Thu, 14 Mar 2013 08:26:25 +0100 (CET) Received: from mail218-co9-R.bigfish.com (10.236.132.241) by CO9EHSOBE040.bigfish.com (10.236.130.103) with Microsoft SMTP Server id 14.1.225.23; Thu, 14 Mar 2013 07:26:23 +0000 Received: from mail218-co9 (localhost [127.0.0.1]) by mail218-co9-R.bigfish.com (Postfix) with ESMTP id 0C1DF60088; Thu, 14 Mar 2013 07:26:23 +0000 (UTC) X-Forefront-Antispam-Report: CIP:137.71.25.57; KIP:(null); UIP:(null); IPV:NLI; H:nwd2mta2.analog.com; RD:nwd2mail11.analog.com; EFVD:NLI X-SpamScore: 12 X-BigFish: VS12(zzzz1f42h1ee6h1ce5h1202h1e76h1d1ah1cabh1d2ahzz8275bhz2ei87h2a8h668h839hd24he5bh1288h12a5h12a9h12bdh12e5h1354h137ah139eh13b6h13eah1441h1504h1537h15a8h162dh1631h1758h17eeh1898h18e1h1946h19b5h1b0ahff4m1355m129fi1155h) Received-SPF: neutral (mail218-co9: 137.71.25.57 is neither permitted nor denied by domain of gmail.com) client-ip=137.71.25.57; envelope-from=sonic.adi@gmail.com; helo=nwd2mta2.analog.com ; 2.analog.com ; X-FB-DOMAIN-IP-MATCH: fail Received: from mail218-co9 (localhost.localdomain [127.0.0.1]) by mail218-co9 (MessageSwitch) id 136324598287594_7007; Thu, 14 Mar 2013 07:26:22 +0000 (UTC) Received: from CO9EHSMHS002.bigfish.com (unknown [10.236.132.237]) by mail218-co9.bigfish.com (Postfix) with ESMTP id 126523C0049; Thu, 14 Mar 2013 07:26:22 +0000 (UTC) Received: from nwd2mta2.analog.com (137.71.25.57) by CO9EHSMHS002.bigfish.com (10.236.130.12) with Microsoft SMTP Server (TLS) id 14.1.225.23; Thu, 14 Mar 2013 07:26:21 +0000 Received: from NWD2HUBCAS6.ad.analog.com (nwd2hubcas6.ad.analog.com [10.64.72.159]) by nwd2mta2.analog.com (8.13.8/8.13.8) with ESMTP id r2E8lvSA027547 (version=TLSv1/SSLv3 cipher=AES128-SHA bits=128 verify=FAIL); Thu, 14 Mar 2013 04:47:57 -0400 Received: from zeus.spd.analog.com (10.64.82.11) by NWD2HUBCAS6.ad.analog.com (10.64.72.159) with Microsoft SMTP Server id 14.2.328.9; Thu, 14 Mar 2013 03:26:21 -0400 Received: from linux.site ([10.99.22.20]) by zeus.spd.analog.com (8.14.6/8.14.6) with ESMTP id r2E7QJph027712; Thu, 14 Mar 2013 03:26:19 -0400 Received: from localhost.localdomain (unknown [10.99.22.72]) by linux.site (Postfix) with ESMTP id 8E7EF42CB8B3; Wed, 13 Mar 2013 16:58:25 -0700 (MST) From: Sonic Zhang To: Date: Thu, 14 Mar 2013 15:29:21 +0800 Message-ID: <1363246162-21727-2-git-send-email-sonic.adi@gmail.com> X-Mailer: git-send-email 1.7.0.4 In-Reply-To: <1363246162-21727-1-git-send-email-sonic.adi@gmail.com> References: <1363246162-21727-1-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 */