Current Path : /sys/dev/uart/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
Current File : //sys/dev/uart/uart_cpu_ia64.c |
/*- * Copyright (c) 2003, 2004 Marcel Moolenaar * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include <sys/cdefs.h> __FBSDID("$FreeBSD: release/9.1.0/sys/dev/uart/uart_cpu_ia64.c 168281 2007-04-02 22:00:22Z marcel $"); #include <sys/param.h> #include <sys/systm.h> #include <sys/bus.h> #include <machine/bus.h> #include <machine/dig64.h> #include <machine/md_var.h> #include <machine/vmparam.h> #include <dev/uart/uart.h> #include <dev/uart/uart_cpu.h> bus_space_tag_t uart_bus_space_io = IA64_BUS_SPACE_IO; bus_space_tag_t uart_bus_space_mem = IA64_BUS_SPACE_MEM; static int dig64_to_uart_parity[] = { UART_PARITY_NONE, UART_PARITY_NONE, UART_PARITY_EVEN, UART_PARITY_ODD, UART_PARITY_MARK, UART_PARITY_SPACE }; int uart_cpu_eqres(struct uart_bas *b1, struct uart_bas *b2) { return ((b1->bsh == b2->bsh && b1->bst == b2->bst) ? 1 : 0); } int uart_cpu_getdev(int devtype, struct uart_devinfo *di) { struct dig64_hcdp_table *tbl; struct dig64_hcdp_entry *ent; struct uart_class *class; bus_addr_t addr; uint64_t hcdp; unsigned int i; class = &uart_ns8250_class; if (class == NULL) return (ENXIO); /* * Use the DIG64 HCDP table if present. */ hcdp = ia64_get_hcdp(); if (hcdp != 0) { tbl = (void*)IA64_PHYS_TO_RR7(hcdp); for (i = 0; i < tbl->entries; i++) { ent = tbl->entry + i; if (devtype == UART_DEV_CONSOLE && ent->type != DIG64_HCDP_CONSOLE) continue; if (devtype == UART_DEV_DBGPORT && ent->type != DIG64_HCDP_DBGPORT) continue; addr = ent->address.addr_high; addr = (addr << 32) + ent->address.addr_low; di->ops = uart_getops(class); di->bas.chan = 0; di->bas.bst = (ent->address.addr_space == 0) ? uart_bus_space_mem : uart_bus_space_io; if (bus_space_map(di->bas.bst, addr, uart_getrange(class), 0, &di->bas.bsh) != 0) continue; di->bas.regshft = 0; di->bas.rclk = ent->pclock << 4; /* We don't deal with 64-bit baud rates. */ di->baudrate = ent->baud_low; di->databits = ent->databits; di->stopbits = ent->stopbits; di->parity = (ent->parity >= 6) ? UART_PARITY_NONE : dig64_to_uart_parity[ent->parity]; return (0); } /* FALLTHROUGH */ } /* Check the environment. */ return (uart_getenv(devtype, di, class)); }