| uart_cpu_pc98.c (120452) | uart_cpu_pc98.c (127215) |
|---|---|
| 1/* 2 * Copyright (c) 2003 M. Warner Losh, 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 * --- 11 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> | 1/* 2 * Copyright (c) 2003 M. Warner Losh, 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 * --- 11 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_pc98.c 120452 2003-09-26 05:14:56Z marcel $"); | 28__FBSDID("$FreeBSD: head/sys/dev/uart/uart_cpu_pc98.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; 40bus_space_tag_t uart_bus_space_mem; 41 |
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| 39int 40uart_cpu_eqres(struct uart_bas *b1, struct uart_bas *b2) 41{ 42 43 return (0); /* XXX */ 44} 45 46int 47uart_cpu_getdev(int devtype, struct uart_devinfo *di) 48{ 49 unsigned int i, ivar, flags; 50 | 42int 43uart_cpu_eqres(struct uart_bas *b1, struct uart_bas *b2) 44{ 45 46 return (0); /* XXX */ 47} 48 49int 50uart_cpu_getdev(int devtype, struct uart_devinfo *di) 51{ 52 unsigned int i, ivar, flags; 53 |
| 54 /* Check the environment. */ 55 if (uart_getenv(devtype, di) == 0) 56 return (0); 57 |
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| 51 /* 52 * There are 2 built-in serial ports on pc98 hardware. The 53 * first one is 8251 and the second one is I think an enhance 54 * version of that. However, for the sio driver, flags selected 55 * which type of uart was in the sytem. We use something similar 56 * to sort things out. 57 */ 58 for (i = 0; i < 1; i++) { --- 17 unchanged lines hidden (view full) --- 76 * Got it. Fill in the instance and return it. We have 77 * both i8251 an ns8250 and successors on pc98. 78 */ 79 if (flags & 0x100) 80 di->ops = uart_ns8250_ops; 81 else 82 di->ops = uart_i8251_ops; 83 di->bas.chan = 0; | 58 /* 59 * There are 2 built-in serial ports on pc98 hardware. The 60 * first one is 8251 and the second one is I think an enhance 61 * version of that. However, for the sio driver, flags selected 62 * which type of uart was in the sytem. We use something similar 63 * to sort things out. 64 */ 65 for (i = 0; i < 1; i++) { --- 17 unchanged lines hidden (view full) --- 83 * Got it. Fill in the instance and return it. We have 84 * both i8251 an ns8250 and successors on pc98. 85 */ 86 if (flags & 0x100) 87 di->ops = uart_ns8250_ops; 88 else 89 di->ops = uart_i8251_ops; 90 di->bas.chan = 0; |
| 84 di->bas.bst = I386_BUS_SPACE_IO; | 91 di->bas.bst = uart_bus_space_io; |
| 85 if (bus_space_map(di->bas.bst, ivar, 8, 0, &di->bas.bsh) != 0) 86 continue; 87 di->bas.regshft = 0; 88 di->bas.rclk = 0; 89 if (resource_int_value("uart", i, "baud", &ivar) != 0) 90 ivar = 0; 91 di->baudrate = ivar; 92 di->databits = 8; 93 di->stopbits = 1; 94 di->parity = UART_PARITY_NONE; 95 return (0); 96 } 97 98 return (ENXIO); 99} | 92 if (bus_space_map(di->bas.bst, ivar, 8, 0, &di->bas.bsh) != 0) 93 continue; 94 di->bas.regshft = 0; 95 di->bas.rclk = 0; 96 if (resource_int_value("uart", i, "baud", &ivar) != 0) 97 ivar = 0; 98 di->baudrate = ivar; 99 di->databits = 8; 100 di->stopbits = 1; 101 di->parity = UART_PARITY_NONE; 102 return (0); 103 } 104 105 return (ENXIO); 106} |