1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate * CDDL HEADER START
3*0Sstevel@tonic-gate *
4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance
7*0Sstevel@tonic-gate * with the License.
8*0Sstevel@tonic-gate *
9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate * and limitations under the License.
13*0Sstevel@tonic-gate *
14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate *
20*0Sstevel@tonic-gate * CDDL HEADER END
21*0Sstevel@tonic-gate */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate * Copyright 1990-2002 Sun Microsystems, Inc. All rights reserved.
24*0Sstevel@tonic-gate * Use is subject to license terms.
25*0Sstevel@tonic-gate */
26*0Sstevel@tonic-gate
27*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI"
28*0Sstevel@tonic-gate
29*0Sstevel@tonic-gate #include <sys/types.h>
30*0Sstevel@tonic-gate #include <sys/cmn_err.h>
31*0Sstevel@tonic-gate #include <sys/kmem.h>
32*0Sstevel@tonic-gate #include <sys/debug.h>
33*0Sstevel@tonic-gate #include <sys/machsystm.h>
34*0Sstevel@tonic-gate #include <sys/starfire.h>
35*0Sstevel@tonic-gate
36*0Sstevel@tonic-gate /*
37*0Sstevel@tonic-gate * Interrupt target translation data for
38*0Sstevel@tonic-gate * Starfire's Port controller asics
39*0Sstevel@tonic-gate */
40*0Sstevel@tonic-gate struct pc_ittrans_data {
41*0Sstevel@tonic-gate kmutex_t ittrans_lock; /* lock for ITTR array */
42*0Sstevel@tonic-gate volatile uint64_t *ittrans_mondovec[32]; /* mondovecreg addr array */
43*0Sstevel@tonic-gate uint64_t ittransreg_physaddr[32]; /* ITTREG physaddr array */
44*0Sstevel@tonic-gate };
45*0Sstevel@tonic-gate
46*0Sstevel@tonic-gate /*
47*0Sstevel@tonic-gate * Setup and initialize the soft table that
48*0Sstevel@tonic-gate * represent the Starfire interrupt target translation
49*0Sstevel@tonic-gate * registers in the Port controller asics. There is one
50*0Sstevel@tonic-gate * for each sysio/pci instance.
51*0Sstevel@tonic-gate */
52*0Sstevel@tonic-gate void
pc_ittrans_init(int upa_id,caddr_t * ittptr_cookie)53*0Sstevel@tonic-gate pc_ittrans_init(int upa_id, caddr_t *ittptr_cookie)
54*0Sstevel@tonic-gate {
55*0Sstevel@tonic-gate int i;
56*0Sstevel@tonic-gate uint64_t physaddr;
57*0Sstevel@tonic-gate struct pc_ittrans_data *tmpptr;
58*0Sstevel@tonic-gate
59*0Sstevel@tonic-gate ASSERT(ittptr_cookie != NULL);
60*0Sstevel@tonic-gate
61*0Sstevel@tonic-gate /*
62*0Sstevel@tonic-gate * Allocate the data structure to support starfire's
63*0Sstevel@tonic-gate * interrupt target translations
64*0Sstevel@tonic-gate */
65*0Sstevel@tonic-gate tmpptr = (struct pc_ittrans_data *)
66*0Sstevel@tonic-gate kmem_zalloc(sizeof (struct pc_ittrans_data),
67*0Sstevel@tonic-gate KM_SLEEP);
68*0Sstevel@tonic-gate
69*0Sstevel@tonic-gate /* Initialize the ittrans lock */
70*0Sstevel@tonic-gate mutex_init(&tmpptr->ittrans_lock, NULL, MUTEX_DEFAULT, NULL);
71*0Sstevel@tonic-gate
72*0Sstevel@tonic-gate /*
73*0Sstevel@tonic-gate * Construct the base physical address of the
74*0Sstevel@tonic-gate * ITTR registers associated with this PC asics
75*0Sstevel@tonic-gate */
76*0Sstevel@tonic-gate physaddr = STARFIRE_UPAID2UPS(upa_id);
77*0Sstevel@tonic-gate physaddr |= (STARFIRE_PSI_BASE | STARFIRE_PSI_PCREG_OFF |
78*0Sstevel@tonic-gate STARFIRE_PC_INT_MAP);
79*0Sstevel@tonic-gate
80*0Sstevel@tonic-gate /*
81*0Sstevel@tonic-gate * Initialize the ITTR table
82*0Sstevel@tonic-gate * This soft table is used to represent the interrupt
83*0Sstevel@tonic-gate * target translation hardware registers in the Starfire's
84*0Sstevel@tonic-gate * PC asics. There are 32 slots and each slot consists of
85*0Sstevel@tonic-gate * a mondovec regaddr entry and the physical address of
86*0Sstevel@tonic-gate * the that ITT register. A empty slot is one whose
87*0Sstevel@tonic-gate * mondovec entry is null. To reserve/use a slot for a
88*0Sstevel@tonic-gate * particular intr mapping reg, we simply find
89*0Sstevel@tonic-gate * a empty slot and write in the mondovec mapping
90*0Sstevel@tonic-gate * regaddr into the mondovec field.
91*0Sstevel@tonic-gate */
92*0Sstevel@tonic-gate for (i = 0; i < 32; i++) {
93*0Sstevel@tonic-gate tmpptr->ittrans_mondovec[i] = NULL;
94*0Sstevel@tonic-gate tmpptr->ittransreg_physaddr[i] = physaddr + i*16;
95*0Sstevel@tonic-gate }
96*0Sstevel@tonic-gate
97*0Sstevel@tonic-gate *ittptr_cookie = (caddr_t)tmpptr;
98*0Sstevel@tonic-gate }
99*0Sstevel@tonic-gate
100*0Sstevel@tonic-gate void
pc_ittrans_uninit(caddr_t ittr_cookie)101*0Sstevel@tonic-gate pc_ittrans_uninit(caddr_t ittr_cookie)
102*0Sstevel@tonic-gate {
103*0Sstevel@tonic-gate struct pc_ittrans_data *tmpptr;
104*0Sstevel@tonic-gate
105*0Sstevel@tonic-gate ASSERT(ittr_cookie != NULL);
106*0Sstevel@tonic-gate
107*0Sstevel@tonic-gate tmpptr = (struct pc_ittrans_data *)ittr_cookie;
108*0Sstevel@tonic-gate
109*0Sstevel@tonic-gate mutex_destroy(&tmpptr->ittrans_lock);
110*0Sstevel@tonic-gate kmem_free((int *)ittr_cookie, sizeof (struct pc_ittrans_data));
111*0Sstevel@tonic-gate }
112*0Sstevel@tonic-gate
113*0Sstevel@tonic-gate /*
114*0Sstevel@tonic-gate * This routine searches for a slot in the soft ITTR table
115*0Sstevel@tonic-gate * that was reserved earlier by matching the mondovec
116*0Sstevel@tonic-gate * mapping regaddr argument with the corresponding field in
117*0Sstevel@tonic-gate * the table. Note that the soft ITTR table mirrors the
118*0Sstevel@tonic-gate * corresponding hw table in the starfire port controller(PC)
119*0Sstevel@tonic-gate * asics. A new slot will be obtained if the slot cannot
120*0Sstevel@tonic-gate * be found. (not reserved previously). The routine then programs
121*0Sstevel@tonic-gate * in the target cpu id into the PC ITTR hardware, updates the
122*0Sstevel@tonic-gate * soft table and return the index to this slot as the target
123*0Sstevel@tonic-gate * id cookie.
124*0Sstevel@tonic-gate */
125*0Sstevel@tonic-gate int
pc_translate_tgtid(caddr_t ittr_cookie,int cpu_id,volatile uint64_t * mondovec_addr)126*0Sstevel@tonic-gate pc_translate_tgtid(caddr_t ittr_cookie, int cpu_id,
127*0Sstevel@tonic-gate volatile uint64_t *mondovec_addr)
128*0Sstevel@tonic-gate {
129*0Sstevel@tonic-gate struct pc_ittrans_data *ittptr;
130*0Sstevel@tonic-gate int i;
131*0Sstevel@tonic-gate int foundslot = -1;
132*0Sstevel@tonic-gate
133*0Sstevel@tonic-gate ASSERT(ittr_cookie != NULL);
134*0Sstevel@tonic-gate
135*0Sstevel@tonic-gate ittptr = (struct pc_ittrans_data *)ittr_cookie;
136*0Sstevel@tonic-gate
137*0Sstevel@tonic-gate mutex_enter(&ittptr->ittrans_lock);
138*0Sstevel@tonic-gate
139*0Sstevel@tonic-gate /*
140*0Sstevel@tonic-gate * Search the mondovec addrlist to see if we
141*0Sstevel@tonic-gate * already reserved/used a slot for this particular
142*0Sstevel@tonic-gate * mondovec mapping regaddr.
143*0Sstevel@tonic-gate */
144*0Sstevel@tonic-gate for (i = 0; i < 32; i++) {
145*0Sstevel@tonic-gate if (mondovec_addr == ittptr->ittrans_mondovec[i]) {
146*0Sstevel@tonic-gate /*
147*0Sstevel@tonic-gate * found the slot that matches the
148*0Sstevel@tonic-gate * mondo vec in question
149*0Sstevel@tonic-gate */
150*0Sstevel@tonic-gate foundslot = i;
151*0Sstevel@tonic-gate break;
152*0Sstevel@tonic-gate }
153*0Sstevel@tonic-gate if (foundslot == -1 && ittptr->ittrans_mondovec[i] == NULL)
154*0Sstevel@tonic-gate /* keep track of a empty slot */
155*0Sstevel@tonic-gate foundslot = i;
156*0Sstevel@tonic-gate }
157*0Sstevel@tonic-gate
158*0Sstevel@tonic-gate if (foundslot != -1) {
159*0Sstevel@tonic-gate /* We found a slot for this mondo vec, let's use it */
160*0Sstevel@tonic-gate stphysio(ittptr->ittransreg_physaddr[foundslot],
161*0Sstevel@tonic-gate STARFIRE_UPAID2HWMID(cpu_id));
162*0Sstevel@tonic-gate ittptr->ittrans_mondovec[foundslot] = mondovec_addr;
163*0Sstevel@tonic-gate } else {
164*0Sstevel@tonic-gate cmn_err(CE_PANIC, "No more ITTR slots!!");
165*0Sstevel@tonic-gate }
166*0Sstevel@tonic-gate
167*0Sstevel@tonic-gate mutex_exit(&ittptr->ittrans_lock);
168*0Sstevel@tonic-gate return (foundslot);
169*0Sstevel@tonic-gate }
170*0Sstevel@tonic-gate
171*0Sstevel@tonic-gate /*
172*0Sstevel@tonic-gate * This routine searches the interrupt target translation table
173*0Sstevel@tonic-gate * (if exists) for a slot that was reserved/used earlier by
174*0Sstevel@tonic-gate * matching the mondovec_addr input argument with the mondovec
175*0Sstevel@tonic-gate * field in the table. The routine then free the found slot by
176*0Sstevel@tonic-gate * resetting it to zero.
177*0Sstevel@tonic-gate */
178*0Sstevel@tonic-gate void
pc_ittrans_cleanup(caddr_t ittr_cookie,volatile uint64_t * mondovec_addr)179*0Sstevel@tonic-gate pc_ittrans_cleanup(caddr_t ittr_cookie,
180*0Sstevel@tonic-gate volatile uint64_t *mondovec_addr)
181*0Sstevel@tonic-gate {
182*0Sstevel@tonic-gate
183*0Sstevel@tonic-gate struct pc_ittrans_data *ittptr;
184*0Sstevel@tonic-gate int i;
185*0Sstevel@tonic-gate int foundslot = -1;
186*0Sstevel@tonic-gate
187*0Sstevel@tonic-gate ASSERT(ittr_cookie != NULL);
188*0Sstevel@tonic-gate
189*0Sstevel@tonic-gate ittptr = (struct pc_ittrans_data *)ittr_cookie;
190*0Sstevel@tonic-gate
191*0Sstevel@tonic-gate mutex_enter(&ittptr->ittrans_lock);
192*0Sstevel@tonic-gate
193*0Sstevel@tonic-gate /*
194*0Sstevel@tonic-gate * Search the mondovec addrlist for the reserved/used
195*0Sstevel@tonic-gate * slot associated with this particular mondo vector.
196*0Sstevel@tonic-gate */
197*0Sstevel@tonic-gate for (i = 0; i < 32; i++) {
198*0Sstevel@tonic-gate if (mondovec_addr == ittptr->ittrans_mondovec[i]) {
199*0Sstevel@tonic-gate /*
200*0Sstevel@tonic-gate * found the slot that matches the
201*0Sstevel@tonic-gate * mondo vec in question
202*0Sstevel@tonic-gate */
203*0Sstevel@tonic-gate foundslot = i;
204*0Sstevel@tonic-gate break;
205*0Sstevel@tonic-gate }
206*0Sstevel@tonic-gate }
207*0Sstevel@tonic-gate
208*0Sstevel@tonic-gate if (foundslot != -1) {
209*0Sstevel@tonic-gate /* We found a slot for this mondo vec, clear it */
210*0Sstevel@tonic-gate ittptr->ittrans_mondovec[foundslot] = 0;
211*0Sstevel@tonic-gate }
212*0Sstevel@tonic-gate
213*0Sstevel@tonic-gate mutex_exit(&ittptr->ittrans_lock);
214*0Sstevel@tonic-gate }
215*0Sstevel@tonic-gate
216*0Sstevel@tonic-gate int
pc_madr_add(int lboard,int rboard,int proc,uint_t madr)217*0Sstevel@tonic-gate pc_madr_add(int lboard, int rboard, int proc, uint_t madr)
218*0Sstevel@tonic-gate {
219*0Sstevel@tonic-gate register int i;
220*0Sstevel@tonic-gate uint_t madr_rd, madr_off;
221*0Sstevel@tonic-gate uint64_t pc_madr_addr;
222*0Sstevel@tonic-gate
223*0Sstevel@tonic-gate pc_madr_addr = STARFIRE_PC_MADR_ADDR(lboard, rboard, proc);
224*0Sstevel@tonic-gate
225*0Sstevel@tonic-gate /*
226*0Sstevel@tonic-gate * First write with Presence bit disabled
227*0Sstevel@tonic-gate * and then with it enabled.
228*0Sstevel@tonic-gate */
229*0Sstevel@tonic-gate madr_off = madr & ~STARFIRE_MC_MEM_PRESENT_MASK;
230*0Sstevel@tonic-gate stphysio(pc_madr_addr, madr_off);
231*0Sstevel@tonic-gate
232*0Sstevel@tonic-gate for (i = 0; i < 20; i++) {
233*0Sstevel@tonic-gate madr_rd = ldphysio(pc_madr_addr);
234*0Sstevel@tonic-gate if (madr_off == madr_rd)
235*0Sstevel@tonic-gate break;
236*0Sstevel@tonic-gate }
237*0Sstevel@tonic-gate if (madr_off != madr_rd) {
238*0Sstevel@tonic-gate cmn_err(CE_WARN,
239*0Sstevel@tonic-gate "pc_madr_add: (1) failed to update "
240*0Sstevel@tonic-gate "PC MADR (%d, %d, %d, 0x%x)\n",
241*0Sstevel@tonic-gate lboard, rboard, proc, madr);
242*0Sstevel@tonic-gate return (-1);
243*0Sstevel@tonic-gate }
244*0Sstevel@tonic-gate if (madr == madr_off) {
245*0Sstevel@tonic-gate /*
246*0Sstevel@tonic-gate * Caller wanted to write value out there
247*0Sstevel@tonic-gate * with presence bit turned off, which is
248*0Sstevel@tonic-gate * what we just completed. So, we're finished.
249*0Sstevel@tonic-gate */
250*0Sstevel@tonic-gate return (0);
251*0Sstevel@tonic-gate }
252*0Sstevel@tonic-gate /*
253*0Sstevel@tonic-gate * Now write with Presence bit enabled.
254*0Sstevel@tonic-gate */
255*0Sstevel@tonic-gate stphysio(pc_madr_addr, madr);
256*0Sstevel@tonic-gate
257*0Sstevel@tonic-gate for (i = 0; i < 20; i++) {
258*0Sstevel@tonic-gate madr_rd = ldphysio(pc_madr_addr);
259*0Sstevel@tonic-gate if (madr == madr_rd)
260*0Sstevel@tonic-gate break;
261*0Sstevel@tonic-gate }
262*0Sstevel@tonic-gate if (madr != madr_rd) {
263*0Sstevel@tonic-gate cmn_err(CE_WARN,
264*0Sstevel@tonic-gate "pc_madr_add: (2) failed to update "
265*0Sstevel@tonic-gate "PC MADR (%d, %d, %d, 0x%x)\n",
266*0Sstevel@tonic-gate lboard, rboard, proc, madr);
267*0Sstevel@tonic-gate return (-1);
268*0Sstevel@tonic-gate }
269*0Sstevel@tonic-gate
270*0Sstevel@tonic-gate return (0);
271*0Sstevel@tonic-gate }
272