2 * SPDX-License-Identifier: BSD-3-Clause
4 * Copyright 2006-2007 by Juniper Networks.
5 * Copyright 2008 Semihalf.
6 * Copyright 2010 The FreeBSD Foundation
9 * Portions of this software were developed by Semihalf
10 * under sponsorship from the FreeBSD Foundation.
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 * 3. The name of the author may not be used to endorse or promote products
21 * derived from this software without specific prior written permission.
23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
24 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
25 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
26 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
27 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
28 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
29 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
30 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
31 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 * From: FreeBSD: src/sys/powerpc/mpc85xx/pci_ocp.c,v 1.9 2010/03/23 23:46:28 marcel
38 #include <sys/cdefs.h>
39 __FBSDID("$FreeBSD$");
41 #include <sys/param.h>
42 #include <sys/systm.h>
44 #include <sys/sockio.h>
46 #include <sys/malloc.h>
47 #include <sys/kernel.h>
48 #include <sys/module.h>
49 #include <sys/socket.h>
50 #include <sys/queue.h>
53 #include <sys/mutex.h>
55 #include <sys/endian.h>
60 #include <dev/ofw/ofw_pci.h>
61 #include <dev/ofw/ofw_bus.h>
62 #include <dev/ofw/ofw_bus_subr.h>
63 #include <dev/ofw/ofwpci.h>
64 #include <dev/pci/pcivar.h>
65 #include <dev/pci/pcireg.h>
66 #include <dev/pci/pcib_private.h>
68 #include "ofw_bus_if.h"
71 #include <machine/resource.h>
72 #include <machine/bus.h>
73 #include <machine/intr_machdep.h>
75 #include <powerpc/mpc85xx/mpc85xx.h>
77 #define REG_CFG_ADDR 0x0000
78 #define CONFIG_ACCESS_ENABLE 0x80000000
80 #define REG_CFG_DATA 0x0004
81 #define REG_INT_ACK 0x0008
83 #define REG_POTAR(n) (0x0c00 + 0x20 * (n))
84 #define REG_POTEAR(n) (0x0c04 + 0x20 * (n))
85 #define REG_POWBAR(n) (0x0c08 + 0x20 * (n))
86 #define REG_POWAR(n) (0x0c10 + 0x20 * (n))
88 #define REG_PITAR(n) (0x0e00 - 0x20 * (n))
89 #define REG_PIWBAR(n) (0x0e08 - 0x20 * (n))
90 #define REG_PIWBEAR(n) (0x0e0c - 0x20 * (n))
91 #define REG_PIWAR(n) (0x0e10 - 0x20 * (n))
93 #define REG_PEX_MES_DR 0x0020
94 #define REG_PEX_MES_IER 0x0028
95 #define REG_PEX_ERR_DR 0x0e00
96 #define REG_PEX_ERR_EN 0x0e08
98 #define REG_PEX_ERR_DR 0x0e00
99 #define REG_PEX_ERR_DR_ME 0x80000000
100 #define REG_PEX_ERR_DR_PCT 0x800000
101 #define REG_PEX_ERR_DR_PAT 0x400000
102 #define REG_PEX_ERR_DR_PCAC 0x200000
103 #define REG_PEX_ERR_DR_PNM 0x100000
104 #define REG_PEX_ERR_DR_CDNSC 0x80000
105 #define REG_PEX_ERR_DR_CRSNC 0x40000
106 #define REG_PEX_ERR_DR_ICCA 0x20000
107 #define REG_PEX_ERR_DR_IACA 0x10000
108 #define REG_PEX_ERR_DR_CRST 0x8000
109 #define REG_PEX_ERR_DR_MIS 0x4000
110 #define REG_PEX_ERR_DR_IOIS 0x2000
111 #define REG_PEX_ERR_DR_CIS 0x1000
112 #define REG_PEX_ERR_DR_CIEP 0x800
113 #define REG_PEX_ERR_DR_IOIEP 0x400
114 #define REG_PEX_ERR_DR_OAC 0x200
115 #define REG_PEX_ERR_DR_IOIA 0x100
116 #define REG_PEX_ERR_DR_IMBA 0x80
117 #define REG_PEX_ERR_DR_IIOBA 0x40
118 #define REG_PEX_ERR_DR_LDDE 0x20
119 #define REG_PEX_ERR_EN 0x0e08
121 #define PCIR_LTSSM 0x404
122 #define LTSSM_STAT_L0 0x16
124 #define DEVFN(b, s, f) ((b << 16) | (s << 8) | f)
126 struct fsl_pcib_softc {
127 struct ofw_pci_softc pci_sc;
131 bus_addr_t sc_iomem_start, sc_iomem_end;
132 int sc_ioport_target;
133 bus_addr_t sc_ioport_start, sc_ioport_end;
135 struct resource *sc_res;
136 bus_space_handle_t sc_bsh;
137 bus_space_tag_t sc_bst;
140 struct resource *sc_irq_res;
145 uint8_t sc_pcie_capreg; /* PCI-E Capability Reg Set */
147 /* Devices that need special attention. */
149 int sc_devfn_via_ide;
152 struct fsl_pcib_err_dr {
154 uint32_t err_dr_mask;
157 static const struct fsl_pcib_err_dr pci_err[] = {
158 {"ME", REG_PEX_ERR_DR_ME},
159 {"PCT", REG_PEX_ERR_DR_PCT},
160 {"PAT", REG_PEX_ERR_DR_PAT},
161 {"PCAC", REG_PEX_ERR_DR_PCAC},
162 {"PNM", REG_PEX_ERR_DR_PNM},
163 {"CDNSC", REG_PEX_ERR_DR_CDNSC},
164 {"CRSNC", REG_PEX_ERR_DR_CRSNC},
165 {"ICCA", REG_PEX_ERR_DR_ICCA},
166 {"IACA", REG_PEX_ERR_DR_IACA},
167 {"CRST", REG_PEX_ERR_DR_CRST},
168 {"MIS", REG_PEX_ERR_DR_MIS},
169 {"IOIS", REG_PEX_ERR_DR_IOIS},
170 {"CIS", REG_PEX_ERR_DR_CIS},
171 {"CIEP", REG_PEX_ERR_DR_CIEP},
172 {"IOIEP", REG_PEX_ERR_DR_IOIEP},
173 {"OAC", REG_PEX_ERR_DR_OAC},
174 {"IOIA", REG_PEX_ERR_DR_IOIA},
175 {"IMBA", REG_PEX_ERR_DR_IMBA},
176 {"IIOBA", REG_PEX_ERR_DR_IIOBA},
177 {"LDDE", REG_PEX_ERR_DR_LDDE}
180 /* Local forward declerations. */
181 static uint32_t fsl_pcib_cfgread(struct fsl_pcib_softc *, u_int, u_int, u_int,
183 static void fsl_pcib_cfgwrite(struct fsl_pcib_softc *, u_int, u_int, u_int,
184 u_int, uint32_t, int);
185 static int fsl_pcib_decode_win(phandle_t, struct fsl_pcib_softc *);
186 static void fsl_pcib_err_init(device_t);
187 static void fsl_pcib_inbound(struct fsl_pcib_softc *, int, int, uint64_t,
189 static int fsl_pcib_init(struct fsl_pcib_softc *, int, int);
190 static void fsl_pcib_outbound(struct fsl_pcib_softc *, int, int, uint64_t,
193 /* Forward declerations. */
194 static int fsl_pcib_attach(device_t);
195 static int fsl_pcib_detach(device_t);
196 static int fsl_pcib_probe(device_t);
198 static int fsl_pcib_maxslots(device_t);
199 static uint32_t fsl_pcib_read_config(device_t, u_int, u_int, u_int, u_int, int);
200 static void fsl_pcib_write_config(device_t, u_int, u_int, u_int, u_int,
203 /* Configuration r/w mutex. */
204 struct mtx pcicfg_mtx;
205 static int mtx_initialized = 0;
208 * Bus interface definitions.
210 static device_method_t fsl_pcib_methods[] = {
211 /* Device interface */
212 DEVMETHOD(device_probe, fsl_pcib_probe),
213 DEVMETHOD(device_attach, fsl_pcib_attach),
214 DEVMETHOD(device_detach, fsl_pcib_detach),
217 DEVMETHOD(pcib_maxslots, fsl_pcib_maxslots),
218 DEVMETHOD(pcib_read_config, fsl_pcib_read_config),
219 DEVMETHOD(pcib_write_config, fsl_pcib_write_config),
224 static devclass_t fsl_pcib_devclass;
226 DEFINE_CLASS_1(pcib, fsl_pcib_driver, fsl_pcib_methods,
227 sizeof(struct fsl_pcib_softc), ofw_pci_driver);
228 DRIVER_MODULE(pcib, ofwbus, fsl_pcib_driver, fsl_pcib_devclass, 0, 0);
231 fsl_pcib_err_intr(void *v)
233 struct fsl_pcib_softc *sc;
235 uint32_t err_reg, clear_reg;
239 sc = device_get_softc(dev);
242 err_reg = bus_space_read_4(sc->sc_bst, sc->sc_bsh, REG_PEX_ERR_DR);
244 /* Check which one error occurred */
245 for (i = 0; i < sizeof(pci_err)/sizeof(struct fsl_pcib_err_dr); i++) {
246 if (err_reg & pci_err[i].err_dr_mask) {
247 device_printf(dev, "PCI %d: report %s error\n",
248 device_get_unit(dev), pci_err[i].msg);
249 clear_reg |= pci_err[i].err_dr_mask;
253 /* Clear pending errors */
254 bus_space_write_4(sc->sc_bst, sc->sc_bsh, REG_PEX_ERR_DR, clear_reg);
260 fsl_pcib_probe(device_t dev)
263 if (ofw_bus_get_type(dev) == NULL ||
264 strcmp(ofw_bus_get_type(dev), "pci") != 0)
267 if (!(ofw_bus_is_compatible(dev, "fsl,mpc8540-pci") ||
268 ofw_bus_is_compatible(dev, "fsl,mpc8540-pcie") ||
269 ofw_bus_is_compatible(dev, "fsl,mpc8548-pcie") ||
270 ofw_bus_is_compatible(dev, "fsl,p5020-pcie") ||
271 ofw_bus_is_compatible(dev, "fsl,qoriq-pcie-v2.2") ||
272 ofw_bus_is_compatible(dev, "fsl,qoriq-pcie")))
275 device_set_desc(dev, "Freescale Integrated PCI/PCI-E Controller");
276 return (BUS_PROBE_DEFAULT);
280 fsl_pcib_attach(device_t dev)
282 struct fsl_pcib_softc *sc;
285 int error, maxslot, rid;
286 uint8_t ltssm, capptr;
288 sc = device_get_softc(dev);
292 sc->sc_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &sc->sc_rid,
294 if (sc->sc_res == NULL) {
295 device_printf(dev, "could not map I/O memory\n");
298 sc->sc_bst = rman_get_bustag(sc->sc_res);
299 sc->sc_bsh = rman_get_bushandle(sc->sc_res);
302 if (!mtx_initialized) {
303 mtx_init(&pcicfg_mtx, "pcicfg", NULL, MTX_SPIN);
307 cfgreg = fsl_pcib_cfgread(sc, 0, 0, 0, PCIR_VENDOR, 2);
308 if (cfgreg != 0x1057 && cfgreg != 0x1957)
311 capptr = fsl_pcib_cfgread(sc, 0, 0, 0, PCIR_CAP_PTR, 1);
312 while (capptr != 0) {
313 cfgreg = fsl_pcib_cfgread(sc, 0, 0, 0, capptr, 2);
314 switch (cfgreg & 0xff) {
319 sc->sc_pcie_capreg = capptr;
322 capptr = (cfgreg >> 8) & 0xff;
325 node = ofw_bus_get_node(dev);
328 * Initialize generic OF PCI interface (ranges, etc.)
331 error = ofw_pci_init(dev);
336 * Configure decode windows for PCI(E) access.
338 if (fsl_pcib_decode_win(node, sc) != 0)
341 cfgreg = fsl_pcib_cfgread(sc, 0, 0, 0, PCIR_COMMAND, 2);
342 cfgreg |= PCIM_CMD_SERRESPEN | PCIM_CMD_BUSMASTEREN | PCIM_CMD_MEMEN |
344 fsl_pcib_cfgwrite(sc, 0, 0, 0, PCIR_COMMAND, cfgreg, 2);
346 sc->sc_devfn_tundra = -1;
347 sc->sc_devfn_via_ide = -1;
351 * Scan bus using firmware configured, 0 based bus numbering.
353 maxslot = (sc->sc_pcie) ? 0 : PCI_SLOTMAX;
354 fsl_pcib_init(sc, sc->sc_busnr, maxslot);
357 ltssm = fsl_pcib_cfgread(sc, 0, 0, 0, PCIR_LTSSM, 1);
358 if (ltssm < LTSSM_STAT_L0) {
360 printf("PCI %d: no PCIE link, skipping\n",
361 device_get_unit(dev));
368 sc->sc_irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
369 RF_ACTIVE | RF_SHAREABLE);
370 if (sc->sc_irq_res == NULL) {
371 error = fsl_pcib_detach(dev);
374 "Detach of the driver failed with error %d\n",
380 /* Setup interrupt handler */
381 error = bus_setup_intr(dev, sc->sc_irq_res, INTR_TYPE_MISC | INTR_MPSAFE,
382 NULL, (driver_intr_t *)fsl_pcib_err_intr, dev, &sc->sc_ih);
384 device_printf(dev, "Could not setup irq, %d\n", error);
386 error = fsl_pcib_detach(dev);
389 "Detach of the driver failed with error %d\n",
395 fsl_pcib_err_init(dev);
397 return (ofw_pci_attach(dev));
404 fsl_pcib_cfgread(struct fsl_pcib_softc *sc, u_int bus, u_int slot, u_int func,
405 u_int reg, int bytes)
409 addr = CONFIG_ACCESS_ENABLE;
410 addr |= (bus & 0xff) << 16;
411 addr |= (slot & 0x1f) << 11;
412 addr |= (func & 0x7) << 8;
415 addr |= (reg & 0xf00) << 16;
417 mtx_lock_spin(&pcicfg_mtx);
418 bus_space_write_4(sc->sc_bst, sc->sc_bsh, REG_CFG_ADDR, addr);
422 data = bus_space_read_1(sc->sc_bst, sc->sc_bsh,
423 REG_CFG_DATA + (reg & 3));
426 data = le16toh(bus_space_read_2(sc->sc_bst, sc->sc_bsh,
427 REG_CFG_DATA + (reg & 2)));
430 data = le32toh(bus_space_read_4(sc->sc_bst, sc->sc_bsh,
437 mtx_unlock_spin(&pcicfg_mtx);
442 fsl_pcib_cfgwrite(struct fsl_pcib_softc *sc, u_int bus, u_int slot, u_int func,
443 u_int reg, uint32_t data, int bytes)
447 addr = CONFIG_ACCESS_ENABLE;
448 addr |= (bus & 0xff) << 16;
449 addr |= (slot & 0x1f) << 11;
450 addr |= (func & 0x7) << 8;
453 addr |= (reg & 0xf00) << 16;
455 mtx_lock_spin(&pcicfg_mtx);
456 bus_space_write_4(sc->sc_bst, sc->sc_bsh, REG_CFG_ADDR, addr);
460 bus_space_write_1(sc->sc_bst, sc->sc_bsh,
461 REG_CFG_DATA + (reg & 3), data);
464 bus_space_write_2(sc->sc_bst, sc->sc_bsh,
465 REG_CFG_DATA + (reg & 2), htole16(data));
468 bus_space_write_4(sc->sc_bst, sc->sc_bsh,
469 REG_CFG_DATA, htole32(data));
472 mtx_unlock_spin(&pcicfg_mtx);
477 dump(struct fsl_pcib_softc *sc)
481 #define RD(o) bus_space_read_4(sc->sc_bst, sc->sc_bsh, o)
482 for (i = 0; i < 5; i++) {
483 printf("POTAR%u =0x%08x\n", i, RD(REG_POTAR(i)));
484 printf("POTEAR%u =0x%08x\n", i, RD(REG_POTEAR(i)));
485 printf("POWBAR%u =0x%08x\n", i, RD(REG_POWBAR(i)));
486 printf("POWAR%u =0x%08x\n", i, RD(REG_POWAR(i)));
489 for (i = 1; i < 4; i++) {
490 printf("PITAR%u =0x%08x\n", i, RD(REG_PITAR(i)));
491 printf("PIWBAR%u =0x%08x\n", i, RD(REG_PIWBAR(i)));
492 printf("PIWBEAR%u=0x%08x\n", i, RD(REG_PIWBEAR(i)));
493 printf("PIWAR%u =0x%08x\n", i, RD(REG_PIWAR(i)));
498 for (i = 0; i < 0x48; i += 4) {
499 printf("cfg%02x=0x%08x\n", i, fsl_pcib_cfgread(sc, 0, 0, 0,
506 fsl_pcib_maxslots(device_t dev)
508 struct fsl_pcib_softc *sc = device_get_softc(dev);
510 return ((sc->sc_pcie) ? 0 : PCI_SLOTMAX);
514 fsl_pcib_read_config(device_t dev, u_int bus, u_int slot, u_int func,
515 u_int reg, int bytes)
517 struct fsl_pcib_softc *sc = device_get_softc(dev);
520 if (bus == sc->sc_busnr && !sc->sc_pcie && slot < 10)
522 devfn = DEVFN(bus, slot, func);
523 if (devfn == sc->sc_devfn_tundra)
525 if (devfn == sc->sc_devfn_via_ide && reg == PCIR_INTPIN)
527 return (fsl_pcib_cfgread(sc, bus, slot, func, reg, bytes));
531 fsl_pcib_write_config(device_t dev, u_int bus, u_int slot, u_int func,
532 u_int reg, uint32_t val, int bytes)
534 struct fsl_pcib_softc *sc = device_get_softc(dev);
536 if (bus == sc->sc_busnr && !sc->sc_pcie && slot < 10)
538 fsl_pcib_cfgwrite(sc, bus, slot, func, reg, val, bytes);
542 fsl_pcib_init_via(struct fsl_pcib_softc *sc, uint16_t device, int bus,
546 if (device == 0x0686) {
547 fsl_pcib_write_config(sc->sc_dev, bus, slot, fn, 0x52, 0x34, 1);
548 fsl_pcib_write_config(sc->sc_dev, bus, slot, fn, 0x77, 0x00, 1);
549 fsl_pcib_write_config(sc->sc_dev, bus, slot, fn, 0x83, 0x98, 1);
550 fsl_pcib_write_config(sc->sc_dev, bus, slot, fn, 0x85, 0x03, 1);
551 } else if (device == 0x0571) {
552 sc->sc_devfn_via_ide = DEVFN(bus, slot, fn);
553 fsl_pcib_write_config(sc->sc_dev, bus, slot, fn, 0x40, 0x0b, 1);
558 fsl_pcib_init(struct fsl_pcib_softc *sc, int bus, int maxslot)
561 int old_pribus, old_secbus, old_subbus;
562 int new_pribus, new_secbus, new_subbus;
563 int slot, func, maxfunc;
564 uint16_t vendor, device;
565 uint8_t brctl, command, hdrtype, subclass;
568 for (slot = 0; slot <= maxslot; slot++) {
570 for (func = 0; func <= maxfunc; func++) {
571 hdrtype = fsl_pcib_read_config(sc->sc_dev, bus, slot,
572 func, PCIR_HDRTYPE, 1);
574 if ((hdrtype & PCIM_HDRTYPE) > PCI_MAXHDRTYPE)
577 if (func == 0 && (hdrtype & PCIM_MFDEV))
578 maxfunc = PCI_FUNCMAX;
580 vendor = fsl_pcib_read_config(sc->sc_dev, bus, slot,
581 func, PCIR_VENDOR, 2);
582 device = fsl_pcib_read_config(sc->sc_dev, bus, slot,
583 func, PCIR_DEVICE, 2);
585 if (vendor == 0x1957 && device == 0x3fff) {
586 sc->sc_devfn_tundra = DEVFN(bus, slot, func);
590 command = fsl_pcib_read_config(sc->sc_dev, bus, slot,
591 func, PCIR_COMMAND, 1);
592 command &= ~(PCIM_CMD_MEMEN | PCIM_CMD_PORTEN);
593 fsl_pcib_write_config(sc->sc_dev, bus, slot, func,
594 PCIR_COMMAND, command, 1);
596 if (vendor == 0x1106)
597 fsl_pcib_init_via(sc, device, bus, slot, func);
600 * Handle PCI-PCI bridges
602 subclass = fsl_pcib_read_config(sc->sc_dev, bus, slot,
603 func, PCIR_SUBCLASS, 1);
605 /* Allow all DEVTYPE 1 devices */
606 if (hdrtype != PCIM_HDRTYPE_BRIDGE)
609 brctl = fsl_pcib_read_config(sc->sc_dev, bus, slot, func,
610 PCIR_BRIDGECTL_1, 1);
611 brctl |= PCIB_BCR_SECBUS_RESET;
612 fsl_pcib_write_config(sc->sc_dev, bus, slot, func,
613 PCIR_BRIDGECTL_1, brctl, 1);
615 brctl &= ~PCIB_BCR_SECBUS_RESET;
616 fsl_pcib_write_config(sc->sc_dev, bus, slot, func,
617 PCIR_BRIDGECTL_1, brctl, 1);
622 /* Read currect bus register configuration */
623 old_pribus = fsl_pcib_read_config(sc->sc_dev, bus,
624 slot, func, PCIR_PRIBUS_1, 1);
625 old_secbus = fsl_pcib_read_config(sc->sc_dev, bus,
626 slot, func, PCIR_SECBUS_1, 1);
627 old_subbus = fsl_pcib_read_config(sc->sc_dev, bus,
628 slot, func, PCIR_SUBBUS_1, 1);
631 printf("PCI: reading firmware bus numbers for "
632 "secbus = %d (bus/sec/sub) = (%d/%d/%d)\n",
633 secbus, old_pribus, old_secbus, old_subbus);
638 secbus = fsl_pcib_init(sc, secbus,
639 (subclass == PCIS_BRIDGE_PCI) ? PCI_SLOTMAX : 0);
644 printf("PCI: translate firmware bus numbers "
645 "for secbus %d (%d/%d/%d) -> (%d/%d/%d)\n",
646 secbus, old_pribus, old_secbus, old_subbus,
647 new_pribus, new_secbus, new_subbus);
649 fsl_pcib_write_config(sc->sc_dev, bus, slot, func,
650 PCIR_PRIBUS_1, new_pribus, 1);
651 fsl_pcib_write_config(sc->sc_dev, bus, slot, func,
652 PCIR_SECBUS_1, new_secbus, 1);
653 fsl_pcib_write_config(sc->sc_dev, bus, slot, func,
654 PCIR_SUBBUS_1, new_subbus, 1);
662 fsl_pcib_inbound(struct fsl_pcib_softc *sc, int wnd, int tgt, uint64_t start,
663 uint64_t size, uint64_t pci_start)
665 uint32_t attr, bar, tar;
667 KASSERT(wnd > 0, ("%s: inbound window 0 is invalid", __func__));
670 /* XXX OCP85XX_TGTIF_RAM2, OCP85XX_TGTIF_RAM_INTL should be handled */
671 case OCP85XX_TGTIF_RAM1_85XX:
672 case OCP85XX_TGTIF_RAM1_QORIQ:
673 attr = 0xa0f55000 | (ffsl(size) - 2);
680 bar = pci_start >> 12;
682 bus_space_write_4(sc->sc_bst, sc->sc_bsh, REG_PITAR(wnd), tar);
683 bus_space_write_4(sc->sc_bst, sc->sc_bsh, REG_PIWBEAR(wnd), 0);
684 bus_space_write_4(sc->sc_bst, sc->sc_bsh, REG_PIWBAR(wnd), bar);
685 bus_space_write_4(sc->sc_bst, sc->sc_bsh, REG_PIWAR(wnd), attr);
689 fsl_pcib_outbound(struct fsl_pcib_softc *sc, int wnd, int res, uint64_t start,
690 uint64_t size, uint64_t pci_start)
692 uint32_t attr, bar, tar;
696 attr = 0x80044000 | (ffsll(size) - 2);
699 attr = 0x80088000 | (ffsll(size) - 2);
706 tar = pci_start >> 12;
708 bus_space_write_4(sc->sc_bst, sc->sc_bsh, REG_POTAR(wnd), tar);
709 bus_space_write_4(sc->sc_bst, sc->sc_bsh, REG_POTEAR(wnd), 0);
710 bus_space_write_4(sc->sc_bst, sc->sc_bsh, REG_POWBAR(wnd), bar);
711 bus_space_write_4(sc->sc_bst, sc->sc_bsh, REG_POWAR(wnd), attr);
716 fsl_pcib_err_init(device_t dev)
718 struct fsl_pcib_softc *sc;
719 uint16_t sec_stat, dsr;
720 uint32_t dcr, err_en;
722 sc = device_get_softc(dev);
724 sec_stat = fsl_pcib_cfgread(sc, 0, 0, 0, PCIR_SECSTAT_1, 2);
726 fsl_pcib_cfgwrite(sc, 0, 0, 0, PCIR_SECSTAT_1, 0xffff, 2);
728 /* Clear error bits */
729 bus_space_write_4(sc->sc_bst, sc->sc_bsh, REG_PEX_MES_IER,
731 bus_space_write_4(sc->sc_bst, sc->sc_bsh, REG_PEX_MES_DR,
733 bus_space_write_4(sc->sc_bst, sc->sc_bsh, REG_PEX_ERR_DR,
736 dsr = fsl_pcib_cfgread(sc, 0, 0, 0,
737 sc->sc_pcie_capreg + PCIER_DEVICE_STA, 2);
739 fsl_pcib_cfgwrite(sc, 0, 0, 0,
740 sc->sc_pcie_capreg + PCIER_DEVICE_STA,
743 /* Enable all errors reporting */
745 bus_space_write_4(sc->sc_bst, sc->sc_bsh, REG_PEX_ERR_EN,
748 /* Enable error reporting: URR, FER, NFER */
749 dcr = fsl_pcib_cfgread(sc, 0, 0, 0,
750 sc->sc_pcie_capreg + PCIER_DEVICE_CTL, 4);
751 dcr |= PCIEM_CTL_URR_ENABLE | PCIEM_CTL_FER_ENABLE |
752 PCIEM_CTL_NFER_ENABLE;
753 fsl_pcib_cfgwrite(sc, 0, 0, 0,
754 sc->sc_pcie_capreg + PCIER_DEVICE_CTL, dcr, 4);
759 fsl_pcib_detach(device_t dev)
762 if (mtx_initialized) {
763 mtx_destroy(&pcicfg_mtx);
766 return (bus_generic_detach(dev));
770 fsl_pcib_decode_win(phandle_t node, struct fsl_pcib_softc *sc)
777 fsl_pcib_outbound(sc, 0, -1, 0, 0, 0);
780 * Configure LAW decode windows.
782 error = law_pci_target(sc->sc_res, &sc->sc_iomem_target,
783 &sc->sc_ioport_target);
785 device_printf(dev, "could not retrieve PCI LAW target info\n");
789 for (i = 0; i < sc->pci_sc.sc_nrange; i++) {
790 switch (sc->pci_sc.sc_range[i].pci_hi &
791 OFW_PCI_PHYS_HI_SPACEMASK) {
792 case OFW_PCI_PHYS_HI_SPACE_CONFIG:
794 case OFW_PCI_PHYS_HI_SPACE_IO:
795 trgt = sc->sc_ioport_target;
796 fsl_pcib_outbound(sc, 2, SYS_RES_IOPORT,
797 sc->pci_sc.sc_range[i].host,
798 sc->pci_sc.sc_range[i].size,
799 sc->pci_sc.sc_range[i].pci);
800 sc->sc_ioport_start = sc->pci_sc.sc_range[i].pci;
801 sc->sc_ioport_end = sc->pci_sc.sc_range[i].pci +
802 sc->pci_sc.sc_range[i].size - 1;
804 case OFW_PCI_PHYS_HI_SPACE_MEM32:
805 case OFW_PCI_PHYS_HI_SPACE_MEM64:
806 trgt = sc->sc_iomem_target;
807 fsl_pcib_outbound(sc, 1, SYS_RES_MEMORY,
808 sc->pci_sc.sc_range[i].host,
809 sc->pci_sc.sc_range[i].size,
810 sc->pci_sc.sc_range[i].pci);
811 sc->sc_iomem_start = sc->pci_sc.sc_range[i].pci;
812 sc->sc_iomem_end = sc->pci_sc.sc_range[i].pci +
813 sc->pci_sc.sc_range[i].size - 1;
816 panic("Unknown range type %#x\n",
817 sc->pci_sc.sc_range[i].pci_hi &
818 OFW_PCI_PHYS_HI_SPACEMASK);
820 error = law_enable(trgt, sc->pci_sc.sc_range[i].host,
821 sc->pci_sc.sc_range[i].size);
823 device_printf(dev, "could not program LAW for range "
830 * Set outbout and inbound windows.
832 fsl_pcib_outbound(sc, 3, -1, 0, 0, 0);
833 fsl_pcib_outbound(sc, 4, -1, 0, 0, 0);
835 fsl_pcib_inbound(sc, 1, -1, 0, 0, 0);
836 fsl_pcib_inbound(sc, 2, -1, 0, 0, 0);
837 fsl_pcib_inbound(sc, 3, OCP85XX_TGTIF_RAM1, 0,
838 2U * 1024U * 1024U * 1024U, 0);