Deleted Added
sdiff udiff text old ( 115343 ) new ( 115417 )
full compact
psycho.c (115343) psycho.c (115417)
1/*
2 * Copyright (c) 1999, 2000 Matthew R. Green
3 * All rights reserved.
4 * Copyright 2001 by Thomas Moestl <tmm@FreeBSD.org>. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:

--- 14 unchanged lines hidden (view full) ---

23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
24 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
25 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * from: NetBSD: psycho.c,v 1.39 2001/10/07 20:30:41 eeh Exp
30 *
1/*
2 * Copyright (c) 1999, 2000 Matthew R. Green
3 * All rights reserved.
4 * Copyright 2001 by Thomas Moestl <tmm@FreeBSD.org>. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:

--- 14 unchanged lines hidden (view full) ---

23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
24 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
25 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * from: NetBSD: psycho.c,v 1.39 2001/10/07 20:30:41 eeh Exp
30 *
31 * $FreeBSD: head/sys/sparc64/pci/psycho.c 115343 2003-05-27 04:59:59Z scottl $
31 * $FreeBSD: head/sys/sparc64/pci/psycho.c 115417 2003-05-30 20:48:05Z tmm $
32 */
33
34/*
35 * Support for `psycho' and `psycho+' UPA to PCI bridge and
36 * UltraSPARC IIi and IIe `sabre' PCI controllers.
37 */
38
39#include "opt_psycho.h"

--- 96 unchanged lines hidden (view full) ---

136static int psycho_release_resource(device_t, device_t, int, int,
137 struct resource *);
138static int psycho_maxslots(device_t);
139static u_int32_t psycho_read_config(device_t, u_int, u_int, u_int, u_int, int);
140static void psycho_write_config(device_t, u_int, u_int, u_int, u_int, u_int32_t,
141 int);
142static int psycho_route_interrupt(device_t, device_t, int);
143static int psycho_intr_pending(device_t, int);
32 */
33
34/*
35 * Support for `psycho' and `psycho+' UPA to PCI bridge and
36 * UltraSPARC IIi and IIe `sabre' PCI controllers.
37 */
38
39#include "opt_psycho.h"

--- 96 unchanged lines hidden (view full) ---

136static int psycho_release_resource(device_t, device_t, int, int,
137 struct resource *);
138static int psycho_maxslots(device_t);
139static u_int32_t psycho_read_config(device_t, u_int, u_int, u_int, u_int, int);
140static void psycho_write_config(device_t, u_int, u_int, u_int, u_int, u_int32_t,
141 int);
142static int psycho_route_interrupt(device_t, device_t, int);
143static int psycho_intr_pending(device_t, int);
144static u_int32_t psycho_guess_ino(device_t, phandle_t, u_int, u_int);
144static bus_space_handle_t psycho_get_bus_handle(device_t dev, enum sbbt_id id,
145 bus_space_handle_t childhdl, bus_space_tag_t *tag);
146
147static device_method_t psycho_methods[] = {
148 /* Device interface */
149 DEVMETHOD(device_probe, psycho_probe),
150 DEVMETHOD(device_attach, psycho_attach),
151

--- 10 unchanged lines hidden (view full) ---

162 /* pcib interface */
163 DEVMETHOD(pcib_maxslots, psycho_maxslots),
164 DEVMETHOD(pcib_read_config, psycho_read_config),
165 DEVMETHOD(pcib_write_config, psycho_write_config),
166 DEVMETHOD(pcib_route_interrupt, psycho_route_interrupt),
167
168 /* sparcbus interface */
169 DEVMETHOD(sparcbus_intr_pending, psycho_intr_pending),
145static bus_space_handle_t psycho_get_bus_handle(device_t dev, enum sbbt_id id,
146 bus_space_handle_t childhdl, bus_space_tag_t *tag);
147
148static device_method_t psycho_methods[] = {
149 /* Device interface */
150 DEVMETHOD(device_probe, psycho_probe),
151 DEVMETHOD(device_attach, psycho_attach),
152

--- 10 unchanged lines hidden (view full) ---

163 /* pcib interface */
164 DEVMETHOD(pcib_maxslots, psycho_maxslots),
165 DEVMETHOD(pcib_read_config, psycho_read_config),
166 DEVMETHOD(pcib_write_config, psycho_write_config),
167 DEVMETHOD(pcib_route_interrupt, psycho_route_interrupt),
168
169 /* sparcbus interface */
170 DEVMETHOD(sparcbus_intr_pending, psycho_intr_pending),
171 DEVMETHOD(sparcbus_guess_ino, psycho_guess_ino),
170 DEVMETHOD(sparcbus_get_bus_handle, psycho_get_bus_handle),
171
172 { 0, 0 }
173};
174
175static driver_t psycho_driver = {
176 "pcib",
177 psycho_methods,

--- 153 unchanged lines hidden (view full) ---

331psycho_attach(device_t dev)
332{
333 struct psycho_softc *sc;
334 struct psycho_softc *osc = NULL;
335 struct psycho_softc *asc;
336 struct upa_regs *reg;
337 struct ofw_pci_bdesc obd;
338 struct psycho_desc *desc;
172 DEVMETHOD(sparcbus_get_bus_handle, psycho_get_bus_handle),
173
174 { 0, 0 }
175};
176
177static driver_t psycho_driver = {
178 "pcib",
179 psycho_methods,

--- 153 unchanged lines hidden (view full) ---

333psycho_attach(device_t dev)
334{
335 struct psycho_softc *sc;
336 struct psycho_softc *osc = NULL;
337 struct psycho_softc *asc;
338 struct upa_regs *reg;
339 struct ofw_pci_bdesc obd;
340 struct psycho_desc *desc;
339 vm_paddr_t pcictl_offs;
340 phandle_t node;
341 u_int64_t csr;
342 u_long mlen;
343 int psycho_br[2];
344 int n, i, nreg, rid;
345#if defined(PSYCHO_DEBUG) || defined(PSYCHO_STRAY)
346 bus_addr_t map, clr;
347 u_int64_t mr;

--- 21 unchanged lines hidden (view full) ---

369 reg = nexus_get_reg(dev);
370 nreg = nexus_get_nreg(dev);
371 /* Register layouts are different. stuupid. */
372 if (sc->sc_mode == PSYCHO_MODE_PSYCHO) {
373 if (nreg <= 2)
374 panic("psycho_attach: %d not enough registers", nreg);
375 sc->sc_basepaddr = (vm_paddr_t)UPA_REG_PHYS(&reg[2]);
376 mlen = UPA_REG_SIZE(&reg[2]);
341 phandle_t node;
342 u_int64_t csr;
343 u_long mlen;
344 int psycho_br[2];
345 int n, i, nreg, rid;
346#if defined(PSYCHO_DEBUG) || defined(PSYCHO_STRAY)
347 bus_addr_t map, clr;
348 u_int64_t mr;

--- 21 unchanged lines hidden (view full) ---

370 reg = nexus_get_reg(dev);
371 nreg = nexus_get_nreg(dev);
372 /* Register layouts are different. stuupid. */
373 if (sc->sc_mode == PSYCHO_MODE_PSYCHO) {
374 if (nreg <= 2)
375 panic("psycho_attach: %d not enough registers", nreg);
376 sc->sc_basepaddr = (vm_paddr_t)UPA_REG_PHYS(&reg[2]);
377 mlen = UPA_REG_SIZE(&reg[2]);
377 pcictl_offs = UPA_REG_PHYS(&reg[0]);
378 sc->sc_pcictl = UPA_REG_PHYS(&reg[0]) - sc->sc_basepaddr;
379 switch (sc->sc_pcictl) {
380 case PSR_PCICTL0:
381 sc->sc_half = 0;
382 break;
383 case PSR_PCICTL1:
384 sc->sc_half = 1;
385 break;
386 default:
387 panic("psycho_attach: bogus pci control register "
388 "location");
389 }
378 } else {
379 if (nreg <= 0)
380 panic("psycho_attach: %d not enough registers", nreg);
381 sc->sc_basepaddr = (vm_paddr_t)UPA_REG_PHYS(&reg[0]);
382 mlen = UPA_REG_SIZE(reg);
390 } else {
391 if (nreg <= 0)
392 panic("psycho_attach: %d not enough registers", nreg);
393 sc->sc_basepaddr = (vm_paddr_t)UPA_REG_PHYS(&reg[0]);
394 mlen = UPA_REG_SIZE(reg);
383 pcictl_offs = sc->sc_basepaddr + PSR_PCICTL0;
395 sc->sc_pcictl = PSR_PCICTL0;
396 sc->sc_half = 0;
384 }
385
386 /*
387 * Match other psycho's that are already configured against
388 * the base physical address. This will be the same for a
389 * pair of devices that share register space.
390 */
391 SLIST_FOREACH(asc, &psycho_softcs, sc_link) {

--- 18 unchanged lines hidden (view full) ---

410 /*
411 * There's another psycho using the same register space. Copy the
412 * relevant stuff.
413 */
414 sc->sc_mem_res = NULL;
415 sc->sc_bustag = osc->sc_bustag;
416 sc->sc_bushandle = osc->sc_bushandle;
417 }
397 }
398
399 /*
400 * Match other psycho's that are already configured against
401 * the base physical address. This will be the same for a
402 * pair of devices that share register space.
403 */
404 SLIST_FOREACH(asc, &psycho_softcs, sc_link) {

--- 18 unchanged lines hidden (view full) ---

423 /*
424 * There's another psycho using the same register space. Copy the
425 * relevant stuff.
426 */
427 sc->sc_mem_res = NULL;
428 sc->sc_bustag = osc->sc_bustag;
429 sc->sc_bushandle = osc->sc_bushandle;
430 }
418 if (pcictl_offs < sc->sc_basepaddr)
419 panic("psycho_attach: bogus pci control register location");
420 sc->sc_pcictl = pcictl_offs - sc->sc_basepaddr;
421 csr = PSYCHO_READ8(sc, PSR_CS);
422 sc->sc_ign = 0x7c0; /* APB IGN is always 0x7c */
423 if (sc->sc_mode == PSYCHO_MODE_PSYCHO)
424 sc->sc_ign = PSYCHO_GCSR_IGN(csr) << 6;
425
431 csr = PSYCHO_READ8(sc, PSR_CS);
432 sc->sc_ign = 0x7c0; /* APB IGN is always 0x7c */
433 if (sc->sc_mode == PSYCHO_MODE_PSYCHO)
434 sc->sc_ign = PSYCHO_GCSR_IGN(csr) << 6;
435
426 device_printf(dev, "%s, impl %d, version %d, ign %#x\n",
436 device_printf(dev, "%s, impl %d, version %d, ign %#x, bus %c\n",
427 desc->pd_name, (int)PSYCHO_GCSR_IMPL(csr),
437 desc->pd_name, (int)PSYCHO_GCSR_IMPL(csr),
428 (int)PSYCHO_GCSR_VERS(csr), sc->sc_ign);
438 (int)PSYCHO_GCSR_VERS(csr), sc->sc_ign, 'A' + sc->sc_half);
429
430 /*
431 * Setup the PCI control register
432 */
433 csr = PCICTL_READ8(sc, PCR_CS);
434 csr |= PCICTL_MRLM | PCICTL_ARB_PARK | PCICTL_ERRINTEN | PCICTL_4ENABLE;
435 csr &= ~(PCICTL_SERR | PCICTL_CPU_PRIO | PCICTL_ARB_PRIO |
436 PCICTL_RTRYWAIT);

--- 830 unchanged lines hidden (view full) ---

1267 sc = (struct psycho_softc *)device_get_softc(dev);
1268 if (!psycho_find_intrmap(sc, intr, NULL, NULL, &diag)) {
1269 printf("psycho_intr_pending: mapping not found for %d\n", intr);
1270 return (0);
1271 }
1272 return (diag != 0);
1273}
1274
439
440 /*
441 * Setup the PCI control register
442 */
443 csr = PCICTL_READ8(sc, PCR_CS);
444 csr |= PCICTL_MRLM | PCICTL_ARB_PARK | PCICTL_ERRINTEN | PCICTL_4ENABLE;
445 csr &= ~(PCICTL_SERR | PCICTL_CPU_PRIO | PCICTL_ARB_PRIO |
446 PCICTL_RTRYWAIT);

--- 830 unchanged lines hidden (view full) ---

1277 sc = (struct psycho_softc *)device_get_softc(dev);
1278 if (!psycho_find_intrmap(sc, intr, NULL, NULL, &diag)) {
1279 printf("psycho_intr_pending: mapping not found for %d\n", intr);
1280 return (0);
1281 }
1282 return (diag != 0);
1283}
1284
1285static u_int32_t
1286psycho_guess_ino(device_t dev, phandle_t node, u_int slot, u_int pin)
1287{
1288 struct psycho_softc *sc = (struct psycho_softc *)device_get_softc(dev);
1289 bus_addr_t intrmap;
1290
1291 /*
1292 * If this is not for one of our direct children (i.e. we are mapping
1293 * at our node), tell the interrupt mapper to go on - we need the
1294 * slot number of the device or it's topmost parent bridge to guess
1295 * the INO.
1296 */
1297 if (node != sc->sc_node)
1298 return (255);
1299 /*
1300 * Actually guess the INO. We always assume that this is a non-OBIO
1301 * device, and use from the slot number to determine it.
1302 * We only need to do this on e450s, it seems; here, the slot numbers
1303 * for bus A are one-based, while those for bus B seemingly have an
1304 * offset of 2 (hence the factor of 3 below).
1305 */
1306 intrmap = PSR_PCIA0_INT_MAP + 8 * (slot - 1 + 3 * sc->sc_half);
1307 return (INTINO(PSYCHO_READ8(sc, intrmap)) + pin - 1);
1308}
1309
1275static bus_space_handle_t
1276psycho_get_bus_handle(device_t dev, enum sbbt_id id,
1277 bus_space_handle_t childhdl, bus_space_tag_t *tag)
1278{
1279 struct psycho_softc *sc;
1280
1281 sc = (struct psycho_softc *)device_get_softc(dev);
1282 switch(id) {

--- 130 unchanged lines hidden --- 		1310static bus_space_handle_t
1311psycho_get_bus_handle(device_t dev, enum sbbt_id id,
1312 bus_space_handle_t childhdl, bus_space_tag_t *tag)
1313{
1314 struct psycho_softc *sc;
1315
1316 sc = (struct psycho_softc *)device_get_softc(dev);
1317 switch(id) {

--- 130 unchanged lines hidden ---