diff options
Diffstat (limited to 'sys/sparc64/pci/ofw_pci.c')
| -rw-r--r-- | sys/sparc64/pci/ofw_pci.c | 406 |
1 files changed, 0 insertions, 406 deletions
diff --git a/sys/sparc64/pci/ofw_pci.c b/sys/sparc64/pci/ofw_pci.c deleted file mode 100644 index 67b07b727cd6..000000000000 --- a/sys/sparc64/pci/ofw_pci.c +++ /dev/null @@ -1,406 +0,0 @@ -/*- - * Copyright (c) 1999, 2000 Matthew R. Green - * Copyright (c) 2001 - 2003 by Thomas Moestl <tmm@FreeBSD.org> - * Copyright (c) 2005 - 2015 by Marius Strobl <marius@FreeBSD.org> - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. - * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * from: NetBSD: psycho.c,v 1.35 2001/09/10 16:17:06 eeh Exp - */ - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#include "opt_ofw_pci.h" - -#include <sys/param.h> -#include <sys/systm.h> -#include <sys/bus.h> -#include <sys/kernel.h> -#include <sys/rman.h> - -#include <dev/ofw/ofw_bus.h> -#include <dev/ofw/ofw_pci.h> -#include <dev/ofw/openfirm.h> - -#include <dev/pci/pcireg.h> -#include <dev/pci/pcivar.h> - -#include <machine/asi.h> -#include <machine/bus.h> -#include <machine/bus_private.h> -#include <machine/cpufunc.h> -#include <machine/fsr.h> -#include <machine/resource.h> - -#include <sparc64/pci/ofw_pci.h> - -int -ofw_pci_attach_common(device_t dev, bus_dma_tag_t dmat, u_long iosize, - u_long memsize) -{ - struct ofw_pci_softc *sc; - struct ofw_pci_ranges *range; - phandle_t node; - uint32_t prop_array[2]; - u_int i, j, nrange; - - sc = device_get_softc(dev); - node = ofw_bus_get_node(dev); - sc->sc_node = node; - sc->sc_pci_dmat = dmat; - - /* Initialize memory and I/O rmans. */ - sc->sc_pci_io_rman.rm_type = RMAN_ARRAY; - sc->sc_pci_io_rman.rm_descr = "PCI I/O Ports"; - if (rman_init(&sc->sc_pci_io_rman) != 0 || - rman_manage_region(&sc->sc_pci_io_rman, 0, iosize) != 0) { - device_printf(dev, "failed to set up I/O rman\n"); - return (ENXIO); - } - sc->sc_pci_mem_rman.rm_type = RMAN_ARRAY; - sc->sc_pci_mem_rman.rm_descr = "PCI Memory"; - if (rman_init(&sc->sc_pci_mem_rman) != 0 || - rman_manage_region(&sc->sc_pci_mem_rman, 0, memsize) != 0) { - device_printf(dev, "failed to set up memory rman\n"); - return (ENXIO); - } - - /* - * Find the addresses of the various bus spaces. The physical - * start addresses of the ranges are the configuration, I/O and - * memory handles. There should not be multiple ones of one kind. - */ - nrange = OF_getprop_alloc_multi(node, "ranges", sizeof(*range), - (void **)&range); - for (i = 0; i < nrange; i++) { - j = OFW_PCI_RANGE_CS(&range[i]); - if (sc->sc_pci_bh[j] != 0) { - device_printf(dev, "duplicate range for space %d\n", - j); - OF_prop_free(range); - return (EINVAL); - } - sc->sc_pci_bh[j] = OFW_PCI_RANGE_PHYS(&range[i]); - } - OF_prop_free(range); - - /* - * Make sure that the expected ranges are actually present. - * The OFW_PCI_CS_MEM64 one is not currently used. - */ - if (sc->sc_pci_bh[OFW_PCI_CS_CONFIG] == 0) { - device_printf(dev, "missing CONFIG range\n"); - return (ENXIO); - } - if (sc->sc_pci_bh[OFW_PCI_CS_IO] == 0) { - device_printf(dev, "missing IO range\n"); - return (ENXIO); - } - if (sc->sc_pci_bh[OFW_PCI_CS_MEM32] == 0) { - device_printf(dev, "missing MEM32 range\n"); - return (ENXIO); - } - - /* Allocate our tags. */ - sc->sc_pci_iot = sparc64_alloc_bus_tag(NULL, PCI_IO_BUS_SPACE); - if (sc->sc_pci_iot == NULL) { - device_printf(dev, "could not allocate PCI I/O tag\n"); - return (ENXIO); - } - sc->sc_pci_cfgt = sparc64_alloc_bus_tag(NULL, PCI_CONFIG_BUS_SPACE); - if (sc->sc_pci_cfgt == NULL) { - device_printf(dev, - "could not allocate PCI configuration space tag\n"); - return (ENXIO); - } - - /* - * Get the bus range from the firmware. - */ - i = OF_getprop(node, "bus-range", (void *)prop_array, - sizeof(prop_array)); - if (i == -1) { - device_printf(dev, "could not get bus-range\n"); - return (ENXIO); - } - if (i != sizeof(prop_array)) { - device_printf(dev, "broken bus-range (%d)", i); - return (EINVAL); - } - sc->sc_pci_secbus = prop_array[0]; - sc->sc_pci_subbus = prop_array[1]; - if (bootverbose != 0) - device_printf(dev, "bus range %u to %u; PCI bus %d\n", - sc->sc_pci_secbus, sc->sc_pci_subbus, sc->sc_pci_secbus); - - ofw_bus_setup_iinfo(node, &sc->sc_pci_iinfo, sizeof(ofw_pci_intr_t)); - - return (0); -} - -uint32_t -ofw_pci_read_config_common(device_t dev, u_int regmax, u_long offset, - u_int bus, u_int slot, u_int func, u_int reg, int width) -{ - struct ofw_pci_softc *sc; - bus_space_handle_t bh; - uint32_t r, wrd; - int i; - uint16_t shrt; - uint8_t byte; - - sc = device_get_softc(dev); - if (bus < sc->sc_pci_secbus || bus > sc->sc_pci_subbus || - slot > PCI_SLOTMAX || func > PCI_FUNCMAX || reg > regmax) - return (-1); - - bh = sc->sc_pci_bh[OFW_PCI_CS_CONFIG]; - switch (width) { - case 1: - i = bus_space_peek_1(sc->sc_pci_cfgt, bh, offset, &byte); - r = byte; - break; - case 2: - i = bus_space_peek_2(sc->sc_pci_cfgt, bh, offset, &shrt); - r = shrt; - break; - case 4: - i = bus_space_peek_4(sc->sc_pci_cfgt, bh, offset, &wrd); - r = wrd; - break; - default: - panic("%s: bad width %d", __func__, width); - /* NOTREACHED */ - } - - if (i) { -#ifdef OFW_PCI_DEBUG - printf("%s: read data error reading: %d.%d.%d: 0x%x\n", - __func__, bus, slot, func, reg); -#endif - r = -1; - } - return (r); -} - -void -ofw_pci_write_config_common(device_t dev, u_int regmax, u_long offset, - u_int bus, u_int slot, u_int func, u_int reg, uint32_t val, int width) -{ - struct ofw_pci_softc *sc; - bus_space_handle_t bh; - - sc = device_get_softc(dev); - if (bus < sc->sc_pci_secbus || bus > sc->sc_pci_subbus || - slot > PCI_SLOTMAX || func > PCI_FUNCMAX || reg > regmax) - return; - - bh = sc->sc_pci_bh[OFW_PCI_CS_CONFIG]; - switch (width) { - case 1: - bus_space_write_1(sc->sc_pci_cfgt, bh, offset, val); - break; - case 2: - bus_space_write_2(sc->sc_pci_cfgt, bh, offset, val); - break; - case 4: - bus_space_write_4(sc->sc_pci_cfgt, bh, offset, val); - break; - default: - panic("%s: bad width %d", __func__, width); - /* NOTREACHED */ - } -} - -ofw_pci_intr_t -ofw_pci_route_interrupt_common(device_t bridge, device_t dev, int pin) -{ - struct ofw_pci_softc *sc; - struct ofw_pci_register reg; - ofw_pci_intr_t pintr, mintr; - - sc = device_get_softc(bridge); - pintr = pin; - if (ofw_bus_lookup_imap(ofw_bus_get_node(dev), &sc->sc_pci_iinfo, - ®, sizeof(reg), &pintr, sizeof(pintr), &mintr, sizeof(mintr), - NULL) != 0) - return (mintr); - return (PCI_INVALID_IRQ); -} - -void -ofw_pci_dmamap_sync_stst_order_common(void) -{ - static u_char buf[VIS_BLOCKSIZE] __aligned(VIS_BLOCKSIZE); - register_t reg, s; - - s = intr_disable(); - reg = rd(fprs); - wr(fprs, reg | FPRS_FEF, 0); - __asm __volatile("stda %%f0, [%0] %1" - : : "r" (buf), "n" (ASI_BLK_COMMIT_S)); - membar(Sync); - wr(fprs, reg, 0); - intr_restore(s); -} - -int -ofw_pci_read_ivar(device_t dev, device_t child __unused, int which, - uintptr_t *result) -{ - struct ofw_pci_softc *sc; - - switch (which) { - case PCIB_IVAR_DOMAIN: - *result = device_get_unit(dev); - return (0); - case PCIB_IVAR_BUS: - sc = device_get_softc(dev); - *result = sc->sc_pci_secbus; - return (0); - } - return (ENOENT); -} - -struct resource * -ofw_pci_alloc_resource(device_t bus, device_t child, int type, int *rid, - rman_res_t start, rman_res_t end, rman_res_t count, u_int flags) -{ - struct ofw_pci_softc *sc; - struct resource *rv; - struct rman *rm; - - sc = device_get_softc(bus); - switch (type) { - case SYS_RES_IRQ: - /* - * XXX: Don't accept blank ranges for now, only single - * interrupts. The other case should not happen with - * the MI PCI code ... - * XXX: This may return a resource that is out of the - * range that was specified. Is this correct ...? - */ - if (start != end) - panic("%s: XXX: interrupt range", __func__); - return (bus_generic_alloc_resource(bus, child, type, rid, - start, end, count, flags)); - case SYS_RES_MEMORY: - rm = &sc->sc_pci_mem_rman; - break; - case SYS_RES_IOPORT: - rm = &sc->sc_pci_io_rman; - break; - default: - return (NULL); - } - - rv = rman_reserve_resource(rm, start, end, count, flags & ~RF_ACTIVE, - child); - if (rv == NULL) - return (NULL); - rman_set_rid(rv, *rid); - - if ((flags & RF_ACTIVE) != 0 && bus_activate_resource(child, type, - *rid, rv) != 0) { - rman_release_resource(rv); - return (NULL); - } - return (rv); -} - -int -ofw_pci_activate_resource(device_t bus, device_t child, int type, int rid, - struct resource *r) -{ - struct ofw_pci_softc *sc; - struct bus_space_tag *tag; - - sc = device_get_softc(bus); - switch (type) { - case SYS_RES_IRQ: - return (bus_generic_activate_resource(bus, child, type, rid, - r)); - case SYS_RES_MEMORY: - tag = sparc64_alloc_bus_tag(r, PCI_MEMORY_BUS_SPACE); - if (tag == NULL) - return (ENOMEM); - rman_set_bustag(r, tag); - rman_set_bushandle(r, sc->sc_pci_bh[OFW_PCI_CS_MEM32] + - rman_get_start(r)); - break; - case SYS_RES_IOPORT: - rman_set_bustag(r, sc->sc_pci_iot); - rman_set_bushandle(r, sc->sc_pci_bh[OFW_PCI_CS_IO] + - rman_get_start(r)); - break; - } - return (rman_activate_resource(r)); -} - -int -ofw_pci_adjust_resource(device_t bus, device_t child, int type, - struct resource *r, rman_res_t start, rman_res_t end) -{ - struct ofw_pci_softc *sc; - struct rman *rm; - - sc = device_get_softc(bus); - switch (type) { - case SYS_RES_IRQ: - return (bus_generic_adjust_resource(bus, child, type, r, - start, end)); - case SYS_RES_MEMORY: - rm = &sc->sc_pci_mem_rman; - break; - case SYS_RES_IOPORT: - rm = &sc->sc_pci_io_rman; - break; - default: - return (EINVAL); - } - if (rman_is_region_manager(r, rm) == 0) - return (EINVAL); - return (rman_adjust_resource(r, start, end)); -} - -bus_dma_tag_t -ofw_pci_get_dma_tag(device_t bus, device_t child __unused) -{ - struct ofw_pci_softc *sc; - - sc = device_get_softc(bus); - return (sc->sc_pci_dmat); -} - -phandle_t -ofw_pci_get_node(device_t bus, device_t child __unused) -{ - struct ofw_pci_softc *sc; - - sc = device_get_softc(bus); - /* We only have one child, the PCI bus, which needs our own node. */ - return (sc->sc_node); -} |