From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Wed, 12 Mar 2008 01:30:16 +0000 (GMT) Received: from smtp-out112.alice.it ([85.37.17.112]:11280 "EHLO smtp-out112.alice.it") by ftp.linux-mips.org with ESMTP id S28577701AbYCLBaO (ORCPT ); Wed, 12 Mar 2008 01:30:14 +0000 Received: from FBCMMO02.fbc.local ([192.168.68.196]) by smtp-out112.alice.it with Microsoft SMTPSVC(6.0.3790.1830); Wed, 12 Mar 2008 02:30:07 +0100 Received: from FBCMCL01B07.fbc.local ([192.168.171.45]) by FBCMMO02.fbc.local with Microsoft SMTPSVC(6.0.3790.1830); Wed, 12 Mar 2008 02:30:07 +0100 Received: from raver.openwrt ([87.11.94.38]) by FBCMCL01B07.fbc.local with Microsoft SMTPSVC(6.0.3790.1830); Wed, 12 Mar 2008 02:28:39 +0100 From: Matteo Croce To: linux-mips@linux-mips.org Subject: [PATCH][MIPS][5/6]: AR7: serial hack Date: Wed, 12 Mar 2008 02:30:06 +0100 User-Agent: KMail/1.9.9 References: <200803120221.25044.technoboy85@gmail.com> In-Reply-To: <200803120221.25044.technoboy85@gmail.com> X-Face: 0AUq?,0sKh2O65+R5#[nTCS'~}"m)9|g3Tsi=g7A9q69S+=M!BY)=?utf-8?q?Zdmwo2u!i=5CUylx=26=27D+=0A=09=5B7u=26z1=27s=7E=5B=3F+=24=27w?= =?utf-8?q?O6+?="'WWcr5Jy,]}8namg8NP:9a]{m Cc: Florian Fainelli , Felix Fietkau , Nicolas Thill , linux-serial@vger.kernel.org, Andrew Morton MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200803120230.06420.technoboy85@gmail.com> X-OriginalArrivalTime: 12 Mar 2008 01:28:39.0718 (UTC) FILETIME=[66978C60:01C883E0] Return-Path: X-Envelope-To: <"|/home/ecartis/ecartis -s linux-mips"> (uid 0) X-Orcpt: rfc822;linux-mips@linux-mips.org Original-Recipient: rfc822;linux-mips@linux-mips.org X-archive-position: 18374 X-ecartis-version: Ecartis v1.0.0 Sender: linux-mips-bounce@linux-mips.org Errors-to: linux-mips-bounce@linux-mips.org X-original-sender: technoboy85@gmail.com Precedence: bulk X-list: linux-mips Ugly but we need it Signed-off-by: Matteo Croce Signed-off-by: Florian Fainelli Signed-off-by: Felix Fietkau Signed-off-by: Nicolas Thill diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c index 77f7a7f..a3a271d 100644 --- a/drivers/serial/8250.c +++ b/drivers/serial/8250.c @@ -267,6 +267,13 @@ static const struct serial8250_config uart_config[] = { .fcr = UART_FCR_ENABLE_FIFO | UART_FCR_R_TRIG_10, .flags = UART_CAP_FIFO, }, + [PORT_AR7] = { + .name = "TI-AR7", + .fifo_size = 16, + .tx_loadsz = 16, + .fcr = UART_FCR_ENABLE_FIFO | UART_FCR_R_TRIG_00, + .flags = UART_CAP_FIFO | UART_CAP_AFE, + }, }; #if defined (CONFIG_SERIAL_8250_AU1X00) @@ -2455,7 +2462,11 @@ static void serial8250_console_putchar(struct uart_port *port, int ch) { struct uart_8250_port *up = (struct uart_8250_port *)port; +#ifdef CONFIG_AR7 + wait_for_xmitr(up, BOTH_EMPTY); +#else wait_for_xmitr(up, UART_LSR_THRE); +#endif serial_out(up, UART_TX, ch); } diff --git a/include/linux/serialP.h b/include/linux/serialP.h index e811a61..cf71de9 100644 --- a/include/linux/serialP.h +++ b/include/linux/serialP.h @@ -135,6 +135,10 @@ struct rs_multiport_struct { * the interrupt line _up_ instead of down, so if we register the IRQ * while the UART is in that state, we die in an IRQ storm. */ #define ALPHA_KLUDGE_MCR (UART_MCR_OUT2) +#elif defined(CONFIG_AR7) +/* This is how it is set up by bootloader... */ +#define ALPHA_KLUDGE_MCR (UART_MCR_OUT2 | UART_MCR_OUT1 \ + | UART_MCR_RTS | UART_MCR_DTR) #else #define ALPHA_KLUDGE_MCR 0 #endif diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h index 289942f..869b6df 100644 --- a/include/linux/serial_core.h +++ b/include/linux/serial_core.h @@ -40,6 +40,7 @@ #define PORT_NS16550A 14 #define PORT_XSCALE 15 #define PORT_RM9000 16 /* PMC-Sierra RM9xxx internal UART */ +#define PORT_AR7 16 #define PORT_MAX_8250 16 /* max port ID */ /*