| uart_cpu_x86.c (120452) | uart_cpu_x86.c (127215) |
|---|---|
| 1/* | 1/* |
| 2 * Copyright (c) 2003 Marcel Moolenaar | 2 * Copyright (c) 2003, 2004 Marcel Moolenaar |
| 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. --- 9 unchanged lines hidden (view full) --- 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h> | 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. --- 9 unchanged lines hidden (view full) --- 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h> |
| 28__FBSDID("$FreeBSD: head/sys/dev/uart/uart_cpu_amd64.c 120452 2003-09-26 05:14:56Z marcel $"); | 28__FBSDID("$FreeBSD: head/sys/dev/uart/uart_cpu_amd64.c 127215 2004-03-20 02:14:02Z marcel $"); |
| 29 30#include <sys/param.h> 31#include <sys/systm.h> 32#include <sys/bus.h> 33 34#include <machine/bus.h> 35 36#include <dev/uart/uart.h> 37#include <dev/uart/uart_cpu.h> 38 | 29 30#include <sys/param.h> 31#include <sys/systm.h> 32#include <sys/bus.h> 33 34#include <machine/bus.h> 35 36#include <dev/uart/uart.h> 37#include <dev/uart/uart_cpu.h> 38 |
| 39bus_space_tag_t uart_bus_space_io = AMD64_BUS_SPACE_IO; 40bus_space_tag_t uart_bus_space_mem = AMD64_BUS_SPACE_MEM; 41 |
|
| 39int 40uart_cpu_eqres(struct uart_bas *b1, struct uart_bas *b2) 41{ 42 43 return ((b1->bsh == b2->bsh && b1->bst == b2->bst) ? 1 : 0); 44} 45 46int 47uart_cpu_getdev(int devtype, struct uart_devinfo *di) 48{ 49 unsigned int i, ivar; 50 | 42int 43uart_cpu_eqres(struct uart_bas *b1, struct uart_bas *b2) 44{ 45 46 return ((b1->bsh == b2->bsh && b1->bst == b2->bst) ? 1 : 0); 47} 48 49int 50uart_cpu_getdev(int devtype, struct uart_devinfo *di) 51{ 52 unsigned int i, ivar; 53 |
| 54 /* Check the environment. */ 55 if (uart_getenv(devtype, di) == 0) 56 return (0); 57 |
|
| 51 /* 52 * Scan the hints. We only try units 0 to 3 (inclusive). This 53 * covers the ISA legacy where 4 UARTs had their resources 54 * predefined. 55 */ 56 for (i = 0; i < 4; i++) { 57 if (resource_int_value("uart", i, "flags", &ivar)) 58 continue; --- 12 unchanged lines hidden (view full) --- 71 ivar == 0) 72 continue; 73 /* 74 * Got it. Fill in the instance and return it. We only have 75 * ns8250 and successors on i386. 76 */ 77 di->ops = uart_ns8250_ops; 78 di->bas.chan = 0; | 58 /* 59 * Scan the hints. We only try units 0 to 3 (inclusive). This 60 * covers the ISA legacy where 4 UARTs had their resources 61 * predefined. 62 */ 63 for (i = 0; i < 4; i++) { 64 if (resource_int_value("uart", i, "flags", &ivar)) 65 continue; --- 12 unchanged lines hidden (view full) --- 78 ivar == 0) 79 continue; 80 /* 81 * Got it. Fill in the instance and return it. We only have 82 * ns8250 and successors on i386. 83 */ 84 di->ops = uart_ns8250_ops; 85 di->bas.chan = 0; |
| 79 di->bas.bst = AMD64_BUS_SPACE_IO; | 86 di->bas.bst = uart_bus_space_io; |
| 80 if (bus_space_map(di->bas.bst, ivar, 8, 0, &di->bas.bsh) != 0) 81 continue; 82 di->bas.regshft = 0; 83 di->bas.rclk = 0; 84 if (resource_int_value("uart", i, "baud", &ivar) != 0) 85 ivar = 0; 86 di->baudrate = ivar; 87 di->databits = 8; 88 di->stopbits = 1; 89 di->parity = UART_PARITY_NONE; 90 return (0); 91 } 92 93 return (ENXIO); 94} | 87 if (bus_space_map(di->bas.bst, ivar, 8, 0, &di->bas.bsh) != 0) 88 continue; 89 di->bas.regshft = 0; 90 di->bas.rclk = 0; 91 if (resource_int_value("uart", i, "baud", &ivar) != 0) 92 ivar = 0; 93 di->baudrate = ivar; 94 di->databits = 8; 95 di->stopbits = 1; 96 di->parity = UART_PARITY_NONE; 97 return (0); 98 } 99 100 return (ENXIO); 101} |