diff options
Diffstat (limited to 'sys/pci/if_vx_pci.c')
| -rw-r--r-- | sys/pci/if_vx_pci.c | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/sys/pci/if_vx_pci.c b/sys/pci/if_vx_pci.c new file mode 100644 index 0000000..008ee5e --- /dev/null +++ b/sys/pci/if_vx_pci.c @@ -0,0 +1,145 @@ +/* + * Copyright (C) 1996 Naoki Hamada <nao@tom-yam.or.jp> + * 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. Neither the name of the author nor the names of any co-contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * 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 "pci.h" +#if NPCI > 0 + +#include "vx.h" +#if NVX > 0 + +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/kernel.h> +#include <sys/socket.h> + +#include <net/if.h> + +#ifdef INET +#include <netinet/in.h> +#include <netinet/if_ether.h> +#endif + +#ifdef NS +#include <netns/ns.h> +#include <netns/ns_if.h> +#endif + +#include <machine/clock.h> + +#include <pci/pcivar.h> + +#include <dev/vx/if_vxreg.h> + +static void vx_pci_shutdown(int, void *); +static char *vx_pci_probe(pcici_t, pcidi_t); +static void vx_pci_attach(pcici_t, int unit); + +static void +vx_pci_shutdown( + int howto, + void *sc) +{ + vxstop(sc); + vxfree(sc); +} + +static char* +vx_pci_probe( + pcici_t config_id, + pcidi_t device_id) +{ + if(device_id == 0x590010b7ul) + return "3COM 3C590 Etherlink III PCI"; + if(device_id == 0x595010b7ul || device_id == 0x595110b7ul || + device_id == 0x595210b7ul) + return "3COM 3C595 Fast Etherlink III PCI"; + if(device_id == 0x900010b7ul || device_id == 0x900110b7ul) + return "3COM 3C900 Etherlink XL PCI"; + if(device_id == 0x905010b7ul || device_id == 0x905110b7ul) + return "3COM 3C595 Fast Etherlink XL PCI"; + return NULL; +} + +static void +vx_pci_attach( + pcici_t config_id, + int unit) +{ + struct vx_softc *sc; + + if (unit >= NVX) { + printf("vx%d: not configured; kernel is built for only %d device%s.\n", + unit, NVX, NVX == 1 ? "" : "s"); + return; + } + + sc = vxalloc(unit); + + sc->vx_io_addr = pci_conf_read(config_id, 0x10) & 0xffffffe0; + + if (vxattach(sc) == 0) { + return; + } + + /* defect check for 3C590 */ + if ((pci_conf_read(config_id, 0) >> 16) == 0x5900) { + GO_WINDOW(0); + if (vxbusyeeprom(sc)) + return; + outw(BASE + VX_W0_EEPROM_COMMAND, EEPROM_CMD_RD | EEPROM_SOFT_INFO_2); + if (vxbusyeeprom(sc)) + return; + if (!(inw(BASE + VX_W0_EEPROM_DATA) & NO_RX_OVN_ANOMALY)) { + printf("Warning! Defective early revision adapter!\n"); + } + } + + /* + * Add shutdown hook so that DMA is disabled prior to reboot. Not + * doing do could allow DMA to corrupt kernel memory during the + * reboot before the driver initializes. + */ + at_shutdown(vx_pci_shutdown, sc, SHUTDOWN_POST_SYNC); + + pci_map_int(config_id, (void *) vxintr, (void *) sc, &net_imask); +} + +static struct pci_device vxdevice = { + "vx", + vx_pci_probe, + vx_pci_attach, + &vx_count, + NULL +}; + +DATA_SET (pcidevice_set, vxdevice); + +#endif /* NVX */ +#endif /* NPCI */ |
