2 * Copyright (c) 2003, 2004 Marcel Moolenaar
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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.
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
30 #include <sys/param.h>
31 #include <sys/systm.h>
34 #include <machine/bus.h>
35 #include <machine/dig64.h>
36 #include <machine/md_var.h>
37 #include <machine/vmparam.h>
39 #include <dev/uart/uart.h>
40 #include <dev/uart/uart_cpu.h>
42 bus_space_tag_t uart_bus_space_io = IA64_BUS_SPACE_IO;
43 bus_space_tag_t uart_bus_space_mem = IA64_BUS_SPACE_MEM;
45 static int dig64_to_uart_parity[] = {
46 UART_PARITY_NONE, UART_PARITY_NONE, UART_PARITY_EVEN,
47 UART_PARITY_ODD, UART_PARITY_MARK, UART_PARITY_SPACE
51 uart_cpu_eqres(struct uart_bas *b1, struct uart_bas *b2)
54 return ((b1->bsh == b2->bsh && b1->bst == b2->bst) ? 1 : 0);
58 uart_cpu_getdev(int devtype, struct uart_devinfo *di)
60 struct dig64_hcdp_table *tbl;
61 struct dig64_hcdp_entry *ent;
67 * Use the DIG64 HCDP table if present.
69 hcdp = ia64_get_hcdp();
71 tbl = (void*)IA64_PHYS_TO_RR7(hcdp);
72 for (i = 0; i < tbl->entries; i++) {
75 if (devtype == UART_DEV_CONSOLE &&
76 ent->type != DIG64_HCDP_CONSOLE)
79 if (devtype == UART_DEV_DBGPORT &&
80 ent->type != DIG64_HCDP_DBGPORT)
83 addr = ent->address.addr_high;
84 addr = (addr << 32) + ent->address.addr_low;
85 di->ops = uart_ns8250_ops;
87 di->bas.bst = (ent->address.addr_space == 0)
88 ? uart_bus_space_mem : uart_bus_space_io;
89 if (bus_space_map(di->bas.bst, addr, 8, 0,
93 di->bas.rclk = ent->pclock << 4;
94 /* We don't deal with 64-bit baud rates. */
95 di->baudrate = ent->baud_low;
96 di->databits = ent->databits;
97 di->stopbits = ent->stopbits;
98 di->parity = (ent->parity >= 6) ? UART_PARITY_NONE
99 : dig64_to_uart_parity[ent->parity];
106 /* Check the environment. */
107 di->ops = uart_ns8250_ops;
108 return (uart_getenv(devtype, di));