diff options
Diffstat (limited to 'sys/sparc64/sbus/dma_sbus.c')
| -rw-r--r-- | sys/sparc64/sbus/dma_sbus.c | 417 |
1 files changed, 0 insertions, 417 deletions
diff --git a/sys/sparc64/sbus/dma_sbus.c b/sys/sparc64/sbus/dma_sbus.c deleted file mode 100644 index 7e4887e56e24..000000000000 --- a/sys/sparc64/sbus/dma_sbus.c +++ /dev/null @@ -1,417 +0,0 @@ -/* $OpenBSD: dma_sbus.c,v 1.16 2008/06/26 05:42:18 ray Exp $ */ -/* $NetBSD: dma_sbus.c,v 1.32 2008/04/28 20:23:57 martin Exp $ */ - -/*- - * SPDX-License-Identifier: BSD-2-Clause-NetBSD AND BSD-2-Clause-FreeBSD - * - * Copyright (c) 1998 The NetBSD Foundation, Inc. - * All rights reserved. - * - * This code is derived from software contributed to The NetBSD Foundation - * by Paul Kranenburg. - * - * 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. - * - * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS - * ``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 FOUNDATION OR CONTRIBUTORS - * 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. - */ - -/*- - * Copyright (c) 1994 Peter Galbavy. All rights reserved. - * Copyright (c) 2005 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. - * - * 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. - */ - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#include <sys/param.h> -#include <sys/systm.h> -#include <sys/bus.h> -#include <sys/kernel.h> -#include <sys/module.h> -#include <sys/rman.h> - -#include <dev/ofw/ofw_bus.h> -#include <dev/ofw/ofw_bus_subr.h> -#include <dev/ofw/openfirm.h> - -#include <machine/bus.h> -#include <machine/bus_common.h> -#include <machine/resource.h> - -#include <sparc64/sbus/lsi64854reg.h> -#include <sparc64/sbus/lsi64854var.h> -#include <sparc64/sbus/ofw_sbus.h> -#include <sparc64/sbus/sbusreg.h> -#include <sparc64/sbus/sbusvar.h> - -struct dma_devinfo { - struct ofw_bus_devinfo ddi_obdinfo; - struct resource_list ddi_rl; -}; - -struct dma_softc { - struct lsi64854_softc sc_lsi64854; /* base device */ - int sc_ign; - int sc_slot; -}; - -static devclass_t dma_devclass; - -static device_probe_t dma_probe; -static device_attach_t dma_attach; -static bus_print_child_t dma_print_child; -static bus_probe_nomatch_t dma_probe_nomatch; -static bus_get_resource_list_t dma_get_resource_list; -static ofw_bus_get_devinfo_t dma_get_devinfo; - -static struct dma_devinfo *dma_setup_dinfo(device_t, struct dma_softc *, - phandle_t); -static void dma_destroy_dinfo(struct dma_devinfo *); -static int dma_print_res(struct dma_devinfo *); - -static device_method_t dma_methods[] = { - /* Device interface */ - DEVMETHOD(device_probe, dma_probe), - DEVMETHOD(device_attach, dma_attach), - DEVMETHOD(device_shutdown, bus_generic_shutdown), - DEVMETHOD(device_suspend, bus_generic_suspend), - DEVMETHOD(device_resume, bus_generic_resume), - - /* Bus interface */ - DEVMETHOD(bus_print_child, dma_print_child), - DEVMETHOD(bus_probe_nomatch, dma_probe_nomatch), - DEVMETHOD(bus_alloc_resource, bus_generic_rl_alloc_resource), - DEVMETHOD(bus_activate_resource, bus_generic_activate_resource), - DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource), - DEVMETHOD(bus_adjust_resource, bus_generic_adjust_resource), - DEVMETHOD(bus_release_resource, bus_generic_rl_release_resource), - DEVMETHOD(bus_setup_intr, bus_generic_setup_intr), - DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr), - DEVMETHOD(bus_get_resource, bus_generic_rl_get_resource), - DEVMETHOD(bus_get_resource_list, dma_get_resource_list), - DEVMETHOD(bus_child_pnpinfo_str, ofw_bus_gen_child_pnpinfo_str), - - /* ofw_bus interface */ - DEVMETHOD(ofw_bus_get_devinfo, dma_get_devinfo), - DEVMETHOD(ofw_bus_get_compat, ofw_bus_gen_get_compat), - DEVMETHOD(ofw_bus_get_model, ofw_bus_gen_get_model), - DEVMETHOD(ofw_bus_get_name, ofw_bus_gen_get_name), - DEVMETHOD(ofw_bus_get_node, ofw_bus_gen_get_node), - DEVMETHOD(ofw_bus_get_type, ofw_bus_gen_get_type), - - DEVMETHOD_END -}; - -static driver_t dma_driver = { - "dma", - dma_methods, - sizeof(struct dma_softc), -}; - -/* - * The probe order is handled by sbus(4) as we don't want the variants - * with children to be attached earlier than the stand-alone controllers - * in order to generally preserve the OFW device tree order. - */ -EARLY_DRIVER_MODULE(dma, sbus, dma_driver, dma_devclass, 0, 0, - BUS_PASS_DEFAULT); -MODULE_DEPEND(dma, sbus, 1, 1, 1); -MODULE_VERSION(dma, 1); - -static int -dma_probe(device_t dev) -{ - const char *name; - - name = ofw_bus_get_name(dev); - if (strcmp(name, "espdma") == 0 || strcmp(name, "dma") == 0 || - strcmp(name, "ledma") == 0) { - device_set_desc_copy(dev, name); - return (0); - } - return (ENXIO); -} - -static int -dma_attach(device_t dev) -{ - struct dma_softc *dsc; - struct lsi64854_softc *lsc; - struct dma_devinfo *ddi; - device_t cdev; - const char *name; - char *cabletype; - uint32_t csr; - phandle_t child, node; - int error, i; - - dsc = device_get_softc(dev); - lsc = &dsc->sc_lsi64854; - - name = ofw_bus_get_name(dev); - node = ofw_bus_get_node(dev); - dsc->sc_ign = sbus_get_ign(dev); - dsc->sc_slot = sbus_get_slot(dev); - - i = 0; - lsc->sc_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &i, - RF_ACTIVE); - if (lsc->sc_res == NULL) { - device_printf(dev, "cannot allocate resources\n"); - return (ENXIO); - } - - if (strcmp(name, "espdma") == 0 || strcmp(name, "dma") == 0) - lsc->sc_channel = L64854_CHANNEL_SCSI; - else if (strcmp(name, "ledma") == 0) { - /* - * Check to see which cable type is currently active and - * set the appropriate bit in the ledma csr so that it - * gets used. If we didn't netboot, the PROM won't have - * the "cable-selection" property; default to TP and then - * the user can change it via a "media" option to ifconfig. - */ - csr = L64854_GCSR(lsc); - if ((OF_getprop_alloc(node, "cable-selection", - (void **)&cabletype)) == -1) { - /* assume TP if nothing there */ - csr |= E_TP_AUI; - } else { - if (strcmp(cabletype, "aui") == 0) - csr &= ~E_TP_AUI; - else - csr |= E_TP_AUI; - OF_prop_free(cabletype); - } - L64854_SCSR(lsc, csr); - DELAY(20000); /* manual says we need a 20ms delay */ - lsc->sc_channel = L64854_CHANNEL_ENET; - } else { - device_printf(dev, "unsupported DMA channel\n"); - error = ENXIO; - goto fail_lres; - } - - error = bus_dma_tag_create( - bus_get_dma_tag(dev), /* parent */ - 1, 0, /* alignment, boundary */ - BUS_SPACE_MAXADDR, /* lowaddr */ - BUS_SPACE_MAXADDR, /* highaddr */ - NULL, NULL, /* filter, filterarg */ - BUS_SPACE_MAXSIZE, /* maxsize */ - BUS_SPACE_UNRESTRICTED, /* nsegments */ - BUS_SPACE_MAXSIZE, /* maxsegsize */ - 0, /* flags */ - NULL, NULL, /* no locking */ - &lsc->sc_parent_dmat); - if (error != 0) { - device_printf(dev, "cannot allocate parent DMA tag\n"); - goto fail_lres; - } - - i = sbus_get_burstsz(dev); - lsc->sc_burst = (i & SBUS_BURST_32) ? 32 : - (i & SBUS_BURST_16) ? 16 : 0; - lsc->sc_dev = dev; - - /* Attach children. */ - i = 0; - for (child = OF_child(node); child != 0; child = OF_peer(child)) { - if ((ddi = dma_setup_dinfo(dev, dsc, child)) == NULL) - continue; - if (i != 0) { - device_printf(dev, - "<%s>: only one child per DMA channel supported\n", - ddi->ddi_obdinfo.obd_name); - dma_destroy_dinfo(ddi); - continue; - } - if ((cdev = device_add_child(dev, NULL, -1)) == NULL) { - device_printf(dev, "<%s>: device_add_child failed\n", - ddi->ddi_obdinfo.obd_name); - dma_destroy_dinfo(ddi); - continue; - } - device_set_ivars(cdev, ddi); - i++; - } - return (bus_generic_attach(dev)); - - fail_lres: - bus_release_resource(dev, SYS_RES_MEMORY, rman_get_rid(lsc->sc_res), - lsc->sc_res); - return (error); -} - -static struct dma_devinfo * -dma_setup_dinfo(device_t dev, struct dma_softc *dsc, phandle_t node) -{ - struct dma_devinfo *ddi; - struct sbus_regs *reg; - uint32_t base, iv, *intr; - int i, nreg, nintr, slot, rslot; - - ddi = malloc(sizeof(*ddi), M_DEVBUF, M_WAITOK | M_ZERO); - if (ofw_bus_gen_setup_devinfo(&ddi->ddi_obdinfo, node) != 0) { - free(ddi, M_DEVBUF); - return (NULL); - } - resource_list_init(&ddi->ddi_rl); - slot = -1; - nreg = OF_getprop_alloc_multi(node, "reg", sizeof(*reg), (void **)®); - if (nreg == -1) { - device_printf(dev, "<%s>: incomplete\n", - ddi->ddi_obdinfo.obd_name); - goto fail; - } - for (i = 0; i < nreg; i++) { - base = reg[i].sbr_offset; - if (SBUS_ABS(base)) { - rslot = SBUS_ABS_TO_SLOT(base); - base = SBUS_ABS_TO_OFFSET(base); - } else - rslot = reg[i].sbr_slot; - if (slot != -1 && slot != rslot) { - device_printf(dev, "<%s>: multiple slots\n", - ddi->ddi_obdinfo.obd_name); - OF_prop_free(reg); - goto fail; - } - slot = rslot; - - resource_list_add(&ddi->ddi_rl, SYS_RES_MEMORY, i, base, - base + reg[i].sbr_size, reg[i].sbr_size); - } - OF_prop_free(reg); - if (slot != dsc->sc_slot) { - device_printf(dev, "<%s>: parent and child slot do not match\n", - ddi->ddi_obdinfo.obd_name); - goto fail; - } - - /* - * The `interrupts' property contains the SBus interrupt level. - */ - nintr = OF_getprop_alloc_multi(node, "interrupts", sizeof(*intr), - (void **)&intr); - if (nintr != -1) { - for (i = 0; i < nintr; i++) { - iv = intr[i]; - /* - * SBus card devices need the slot number encoded into - * the vector as this is generally not done. - */ - if ((iv & INTMAP_OBIO_MASK) == 0) - iv |= slot << 3; - /* Set the IGN as appropriate. */ - iv |= dsc->sc_ign << INTMAP_IGN_SHIFT; - resource_list_add(&ddi->ddi_rl, SYS_RES_IRQ, i, - iv, iv, 1); - } - OF_prop_free(intr); - } - return (ddi); - - fail: - dma_destroy_dinfo(ddi); - return (NULL); -} - -static void -dma_destroy_dinfo(struct dma_devinfo *dinfo) -{ - - resource_list_free(&dinfo->ddi_rl); - ofw_bus_gen_destroy_devinfo(&dinfo->ddi_obdinfo); - free(dinfo, M_DEVBUF); -} - -static int -dma_print_child(device_t dev, device_t child) -{ - int rv; - - rv = bus_print_child_header(dev, child); - rv += dma_print_res(device_get_ivars(child)); - rv += bus_print_child_footer(dev, child); - return (rv); -} - -static void -dma_probe_nomatch(device_t dev, device_t child) -{ - const char *type; - - device_printf(dev, "<%s>", ofw_bus_get_name(child)); - dma_print_res(device_get_ivars(child)); - type = ofw_bus_get_type(child); - printf(" type %s (no driver attached)\n", - type != NULL ? type : "unknown"); -} - -static struct resource_list * -dma_get_resource_list(device_t dev, device_t child) -{ - struct dma_devinfo *ddi; - - ddi = device_get_ivars(child); - return (&ddi->ddi_rl); -} - -static const struct ofw_bus_devinfo * -dma_get_devinfo(device_t bus, device_t child) -{ - struct dma_devinfo *ddi; - - ddi = device_get_ivars(child); - return (&ddi->ddi_obdinfo); -} - -static int -dma_print_res(struct dma_devinfo *ddi) -{ - int rv; - - rv = 0; - rv += resource_list_print_type(&ddi->ddi_rl, "mem", SYS_RES_MEMORY, - "%#jx"); - rv += resource_list_print_type(&ddi->ddi_rl, "irq", SYS_RES_IRQ, "%jd"); - return (rv); -} |