diff options
Diffstat (limited to 'sys/dev/puc/puc_pci.c')
| -rw-r--r-- | sys/dev/puc/puc_pci.c | 264 |
1 files changed, 264 insertions, 0 deletions
diff --git a/sys/dev/puc/puc_pci.c b/sys/dev/puc/puc_pci.c new file mode 100644 index 0000000..f0688bf --- /dev/null +++ b/sys/dev/puc/puc_pci.c @@ -0,0 +1,264 @@ +/* $NetBSD: puc.c,v 1.7 2000/07/29 17:43:38 jlam Exp $ */ + +/*- + * Copyright (c) 2002 JF Hay. All rights reserved. + * Copyright (c) 2000 M. Warner Losh. 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 unmodified, 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. + */ + +/* + * Copyright (c) 1996, 1998, 1999 + * Christopher G. Demetriou. 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. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by Christopher G. Demetriou + * for the NetBSD Project. + * 4. 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. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include "opt_puc.h" + +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/kernel.h> +#include <sys/bus.h> +#include <sys/conf.h> +#include <sys/malloc.h> + +#include <machine/bus.h> +#include <machine/resource.h> +#include <sys/rman.h> + +#include <dev/pci/pcireg.h> +#include <dev/pci/pcivar.h> + +#define PUC_ENTRAILS 1 +#include <dev/puc/pucvar.h> + +static int +puc_pci_probe(device_t dev) +{ + uint32_t v1, v2, d1, d2; + const struct puc_device_description *desc; + + if ((pci_read_config(dev, PCIR_HEADERTYPE, 1) & 0x7f) != 0) + return (ENXIO); + + v1 = pci_read_config(dev, PCIR_VENDOR, 2); + d1 = pci_read_config(dev, PCIR_DEVICE, 2); + v2 = pci_read_config(dev, PCIR_SUBVEND_0, 2); + d2 = pci_read_config(dev, PCIR_SUBDEV_0, 2); + + desc = puc_find_description(v1, d1, v2, d2); + if (desc == NULL) + return (ENXIO); + device_set_desc(dev, desc->name); + return (0); +} + +static int +puc_pci_attach(device_t dev) +{ + uint32_t v1, v2, d1, d2; + + v1 = pci_read_config(dev, PCIR_VENDOR, 2); + d1 = pci_read_config(dev, PCIR_DEVICE, 2); + v2 = pci_read_config(dev, PCIR_SUBVEND_0, 2); + d2 = pci_read_config(dev, PCIR_SUBDEV_0, 2); + return (puc_attach(dev, puc_find_description(v1, d1, v2, d2))); +} + +static device_method_t puc_pci_methods[] = { + /* Device interface */ + DEVMETHOD(device_probe, puc_pci_probe), + DEVMETHOD(device_attach, puc_pci_attach), + + DEVMETHOD(bus_alloc_resource, puc_alloc_resource), + DEVMETHOD(bus_release_resource, puc_release_resource), + DEVMETHOD(bus_get_resource, puc_get_resource), + DEVMETHOD(bus_read_ivar, puc_read_ivar), + DEVMETHOD(bus_setup_intr, puc_setup_intr), + DEVMETHOD(bus_teardown_intr, puc_teardown_intr), + DEVMETHOD(bus_print_child, bus_generic_print_child), + DEVMETHOD(bus_driver_added, bus_generic_driver_added), + { 0, 0 } +}; + +static driver_t puc_pci_driver = { + "puc", + puc_pci_methods, + sizeof(struct puc_softc), +}; + +DRIVER_MODULE(puc, pci, puc_pci_driver, puc_devclass, 0, 0); +DRIVER_MODULE(puc, cardbus, puc_pci_driver, puc_devclass, 0, 0); + + +#define rdspio(indx) (bus_space_write_1(bst, bsh, efir, indx), \ + bus_space_read_1(bst, bsh, efdr)) +#define wrspio(indx,data) (bus_space_write_1(bst, bsh, efir, indx), \ + bus_space_write_1(bst, bsh, efdr, data)) + +#ifdef PUC_DEBUG +static void +puc_print_win877(bus_space_tag_t bst, bus_space_handle_t bsh, u_int efir, + u_int efdr) +{ + u_char cr00, cr01, cr04, cr09, cr0d, cr14, cr15, cr16, cr17; + u_char cr18, cr19, cr24, cr25, cr28, cr2c, cr31, cr32; + + cr00 = rdspio(0x00); + cr01 = rdspio(0x01); + cr04 = rdspio(0x04); + cr09 = rdspio(0x09); + cr0d = rdspio(0x0d); + cr14 = rdspio(0x14); + cr15 = rdspio(0x15); + cr16 = rdspio(0x16); + cr17 = rdspio(0x17); + cr18 = rdspio(0x18); + cr19 = rdspio(0x19); + cr24 = rdspio(0x24); + cr25 = rdspio(0x25); + cr28 = rdspio(0x28); + cr2c = rdspio(0x2c); + cr31 = rdspio(0x31); + cr32 = rdspio(0x32); + printf("877T: cr00 %x, cr01 %x, cr04 %x, cr09 %x, cr0d %x, cr14 %x, " + "cr15 %x, cr16 %x, cr17 %x, cr18 %x, cr19 %x, cr24 %x, cr25 %x, " + "cr28 %x, cr2c %x, cr31 %x, cr32 %x\n", cr00, cr01, cr04, cr09, + cr0d, cr14, cr15, cr16, cr17, + cr18, cr19, cr24, cr25, cr28, cr2c, cr31, cr32); +} +#endif + +int +puc_config_win877(struct puc_softc *sc) +{ + u_char val; + u_int efir, efdr; + bus_space_tag_t bst; + bus_space_handle_t bsh; + struct resource *res; + + res = sc->sc_bar_mappings[0].res; + + bst = rman_get_bustag(res); + bsh = rman_get_bushandle(res); + + /* configure the first W83877TF */ + bus_space_write_1(bst, bsh, 0x250, 0x89); + efir = 0x251; + efdr = 0x252; + val = rdspio(0x09) & 0x0f; + if (val != 0x0c) { + printf("conf_win877: Oops not a W83877TF\n"); + return (ENXIO); + } + +#ifdef PUC_DEBUG + printf("before: "); + puc_print_win877(bst, bsh, efir, efdr); +#endif + + val = rdspio(0x16); + val |= 0x04; + wrspio(0x16, val); + val &= ~0x04; + wrspio(0x16, val); + + wrspio(0x24, 0x2e8 >> 2); + wrspio(0x25, 0x2f8 >> 2); + wrspio(0x17, 0x03); + wrspio(0x28, 0x43); + +#ifdef PUC_DEBUG + printf("after: "); + puc_print_win877(bst, bsh, efir, efdr); +#endif + + bus_space_write_1(bst, bsh, 0x250, 0xaa); + + /* configure the second W83877TF */ + bus_space_write_1(bst, bsh, 0x3f0, 0x87); + bus_space_write_1(bst, bsh, 0x3f0, 0x87); + efir = 0x3f0; + efdr = 0x3f1; + val = rdspio(0x09) & 0x0f; + if (val != 0x0c) { + printf("conf_win877: Oops not a W83877TF\n"); + return(ENXIO); + } + +#ifdef PUC_DEBUG + printf("before: "); + puc_print_win877(bst, bsh, efir, efdr); +#endif + + val = rdspio(0x16); + val |= 0x04; + wrspio(0x16, val); + val &= ~0x04; + wrspio(0x16, val); + + wrspio(0x24, 0x3e8 >> 2); + wrspio(0x25, 0x3f8 >> 2); + wrspio(0x17, 0x03); + wrspio(0x28, 0x43); + +#ifdef PUC_DEBUG + printf("after: "); + puc_print_win877(bst, bsh, efir, efdr); +#endif + + bus_space_write_1(bst, bsh, 0x3f0, 0xaa); + return (0); +} + +#undef rdspio +#undef wrspio + |
