diff options
Diffstat (limited to 'sys/dev/pci/if_mtd_pci.c')
| -rw-r--r-- | sys/dev/pci/if_mtd_pci.c | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/sys/dev/pci/if_mtd_pci.c b/sys/dev/pci/if_mtd_pci.c new file mode 100644 index 00000000000..ba2bd0d189c --- /dev/null +++ b/sys/dev/pci/if_mtd_pci.c @@ -0,0 +1,132 @@ +/* + * Copyright (c) 2003 Oleg Safiullin + * 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 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 AUTHOR 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. + * + */ + +#include <sys/param.h> +#include <sys/device.h> +#include <sys/systm.h> +#include <sys/socket.h> +#include <net/if.h> +#include <net/if_media.h> +#ifdef INET +#include <netinet/in.h> +#include <netinet/if_ether.h> +#endif +#include <machine/bus.h> +#include <dev/mii/miivar.h> +#include <dev/pci/pcidevs.h> +#include <dev/pci/pcireg.h> +#include <dev/pci/pcivar.h> +#include <dev/ic/mtd803reg.h> +#include <dev/ic/mtd803var.h> + +static int mtd_pci_match(struct device *, void *, void *); +static void mtd_pci_attach(struct device *, struct device *, void *); + +struct cfattach mtd_pci_ca = { + sizeof(struct mtd_softc), mtd_pci_match, mtd_pci_attach +}; + +const static struct pci_matchid mtd_pci_devices[] = { + { PCI_VENDOR_MYSON, PCI_PRODUCT_MYSON_MTD803 }, +}; + +static int +mtd_pci_match(struct device *parent, void *match, void *aux) +{ + return (pci_matchbyid((struct pci_attach_args *)aux, mtd_pci_devices, + sizeof(mtd_pci_devices) / sizeof(mtd_pci_devices[0]))); +} + +static void +mtd_pci_attach(struct device *parent, struct device *self, void *aux) +{ + struct mtd_softc *sc = (void *)self; + struct pci_attach_args *pa = aux; + pci_intr_handle_t ih; + const char *intrstr = NULL; + bus_addr_t iobase; + bus_size_t iosize; + u_int32_t command; + + command = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG); + +#ifdef MTD_USE_MEMIO + if (!(command & PCI_COMMAND_MEM_ENABLE)) { + printf(": failed to enable memory mapping\n"); + return; + } + if (pci_mem_find(pa->pa_pc, pa->pa_tag, MTD_PCI_LOMEM, &iobase, + &iosize, NULL)) { + printf(": can't find mem space\n"); + return; + } + if (bus_space_map(pa->pa_memt, iobase, iosize, 0, &sc->bus_handle)) { + printf(": can't map mem space\n"); + return; + } + sc->bus_tag = pa->pa_memt; +#else /* !MTD_USE_MEMIO */ + if (!(command & PCI_COMMAND_IO_ENABLE)) { + printf(": failed to enable i/o ports\n"); + return; + } + + if (pci_io_find(pa->pa_pc, pa->pa_tag, MTD_PCI_LOIO, &iobase, + &iosize)) { + printf(": can't find i/o space\n"); + return; + } + if (bus_space_map(pa->pa_iot, iobase, iosize, 0, &sc->bus_handle)) { + printf(": can't map i/o space\n"); + return; + } + sc->bus_tag = pa->pa_iot; +#endif /* MTD_USE_MEMIO */ + + /* + * Allocate our interrupt. + */ + if (pci_intr_map(pa, &ih)) { + printf(": couldn't map interrupt\n"); + return; + } + + intrstr = pci_intr_string(pa->pa_pc, ih); + if (pci_intr_establish(pa->pa_pc, ih, IPL_NET, mtd_irq_h, sc, + self->dv_xname) == NULL) { + printf(": couldn't establish interrupt"); + if (intrstr != NULL) + printf(" at %s", intrstr); + printf("\n"); + return; + } + printf(": %s", intrstr); + + sc->dma_tag = pa->pa_dmat; + mtd_config(sc); +} |