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uart_cpu_x86.c (119815) uart_cpu_x86.c (119866)
1/*
2 * Copyright (c) 2003 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 *

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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 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 *

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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 119815 2003-09-06 23:13:47Z marcel $");
28__FBSDID("$FreeBSD: head/sys/dev/uart/uart_cpu_amd64.c 119866 2003-09-07 21:51:03Z 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_addr_t
40uart_cpu_busaddr(struct uart_bas *bas)
41{
42
43 return (bas->bsh);
44}
45
39int
46int
47uart_cpu_eqres(struct uart_bas *b1, struct uart_bas *b2)
48{
49
50 return ((b1->bsh == b2->bsh && b1->bst == b2->bst) ? 1 : 0);
51}
52
53int
40uart_cpu_getdev(int devtype, struct uart_devinfo *di)
41{
42 unsigned int i, ivar;
43
44 /*
45 * Scan the hints. We only try units 0 to 3 (inclusive). This
46 * covers the ISA legacy where 4 UARTs had their resources
47 * predefined.

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78 di->databits = 8;
79 di->stopbits = 1;
80 di->parity = UART_PARITY_NONE;
81 return (0);
82 }
83
84 return (ENXIO);
85}
54uart_cpu_getdev(int devtype, struct uart_devinfo *di)
55{
56 unsigned int i, ivar;
57
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.

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92 di->databits = 8;
93 di->stopbits = 1;
94 di->parity = UART_PARITY_NONE;
95 return (0);
96 }
97
98 return (ENXIO);
99}
86
87int
88uart_cpu_eqres(struct uart_bas *b1, struct uart_bas *b2)
89{
90
91 return ((b1->bsh == b2->bsh && b1->bst == b2->bst) ? 1 : 0);
92}