From owner-svn-src-all@FreeBSD.ORG Mon Jan 17 23:34:36 2011 Return-Path: Delivered-To: svn-src-all@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id EF7AA106564A; Mon, 17 Jan 2011 23:34:36 +0000 (UTC) (envelope-from marcel@FreeBSD.org) Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:4f8:fff6::2c]) by mx1.freebsd.org (Postfix) with ESMTP id DED738FC0A; Mon, 17 Jan 2011 23:34:36 +0000 (UTC) Received: from svn.freebsd.org (localhost [127.0.0.1]) by svn.freebsd.org (8.14.3/8.14.3) with ESMTP id p0HNYaJ6016611; Mon, 17 Jan 2011 23:34:36 GMT (envelope-from marcel@svn.freebsd.org) Received: (from marcel@localhost) by svn.freebsd.org (8.14.3/8.14.3/Submit) id p0HNYa4Y016609; Mon, 17 Jan 2011 23:34:36 GMT (envelope-from marcel@svn.freebsd.org) Message-Id: <201101172334.p0HNYa4Y016609@svn.freebsd.org> From: Marcel Moolenaar Date: Mon, 17 Jan 2011 23:34:36 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org X-SVN-Group: head MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Cc: Subject: svn commit: r217520 - head/sys/dev/uart X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 17 Jan 2011 23:34:37 -0000 Author: marcel Date: Mon Jan 17 23:34:36 2011 New Revision: 217520 URL: http://svn.freebsd.org/changeset/base/217520 Log: Check the environment for system devices before using the FDT. This allows overriding the FDT, and allows specifying a debug port. Modified: head/sys/dev/uart/uart_bus_fdt.c Modified: head/sys/dev/uart/uart_bus_fdt.c ============================================================================== --- head/sys/dev/uart/uart_bus_fdt.c Mon Jan 17 23:06:47 2011 (r217519) +++ head/sys/dev/uart/uart_bus_fdt.c Mon Jan 17 23:34:36 2011 (r217520) @@ -140,6 +140,15 @@ uart_cpu_getdev(int devtype, struct uart u_long start, size; int err; + uart_bus_space_mem = fdtbus_bs_tag; + uart_bus_space_io = NULL; + + /* Allow overriding the FDT uning the environment. */ + class = &uart_ns8250_class; + err = uart_getenv(devtype, di, class); + if (!err) + return (0); + if (devtype != UART_DEV_CONSOLE) return (ENXIO); @@ -183,18 +192,12 @@ uart_cpu_getdev(int devtype, struct uart di->databits = 8; di->stopbits = 1; di->parity = UART_PARITY_NONE; - di->bas.bst = fdtbus_bs_tag; + di->bas.bst = uart_bus_space_mem; err = fdt_regsize(node, &start, &size); if (err) return (ENXIO); start += fdt_immr_va; - uart_bus_space_mem = fdtbus_bs_tag; - uart_bus_space_io = NULL; - - if (bus_space_map(di->bas.bst, start, size, 0, &di->bas.bsh) != 0) - return (ENXIO); - - return (0); + return (bus_space_map(di->bas.bst, start, size, 0, &di->bas.bsh)); }