1 /* $OpenBSD: starfire.c,v 1.1 2008/03/16 22:18:53 kettenis Exp $ */
2
3 /*
4 * Copyright (c) 2008 Mark Kettenis
5 *
6 * Permission to use, copy, modify, and distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
9 *
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 */
18
19 #include <sys/param.h>
20
21 #include <sparc64/dev/starfire.h>
22
23 void
starfire_pc_ittrans_init(int upaid)24 starfire_pc_ittrans_init(int upaid)
25 {
26 paddr_t pa;
27
28 pa = STARFIRE_UPAID2UPS(upaid) | STARFIRE_PSI_BASE;
29 pa |= (STARFIRE_PSI_PCREG_OFF | STARFIRE_PC_INT_MAP);
30
31 /*
32 * Since we direct all interrupts to the boot processor, we
33 * simply program the port controller ITTR hardware with a
34 * single mapping.
35 */
36 pa += CPU_UPAID * 0x10;
37 stwa(pa, ASI_PHYS_NON_CACHED, STARFIRE_UPAID2HWMID(cpu_myid()));
38 }
39