diff options
Diffstat (limited to 'sys/dev/sr/if_sr_pci.c')
-rw-r--r-- | sys/dev/sr/if_sr_pci.c | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/sys/dev/sr/if_sr_pci.c b/sys/dev/sr/if_sr_pci.c new file mode 100644 index 0000000..27b9a4d --- /dev/null +++ b/sys/dev/sr/if_sr_pci.c @@ -0,0 +1,133 @@ +/* + * Copyright (c) 1996 John Hay. + * Copyright (c) 1996 SDL Communications, Inc. + * 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. + * + * $Id$ + */ + +#include "pci.h" +#if NPCI > 0 + +#include "sr.h" + +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/kernel.h> +#include <sys/malloc.h> + +#include <pci/pcireg.h> +#include <pci/pcivar.h> + +#ifndef BUGGY +#define BUGGY 0 +#endif + +/* + * The must match with the real functions in if_sr.c + */ +extern void *srattach_pci(int unit, + vm_offset_t plx_vaddr, + vm_offset_t sca_vaddr); +extern void srintr_hc(void *hc); + +static char *sr_pci_probe(pcici_t tag, pcidi_t type); +static void sr_pci_attach(pcici_t config_id, int unit); + +static u_long src_count = NSR; + +struct pci_device sr_pci_driver = +{ + "src", + sr_pci_probe, + sr_pci_attach, + &src_count, + NULL}; + +DATA_SET (pcidevice_set, sr_pci_driver); + +static char * +sr_pci_probe(pcici_t tag, pcidi_t type) +{ + switch(type) { + case 0x55684778: + return ("RISCom/N2pci"); + break; + case 0x55684877: + /* + * XXX This can probably be removed sometime. + */ + return ("RISCom/N2pci (old id)"); + break; + default: + break; + } + return (0); +} + +static void +sr_pci_attach(pcici_t config_id, int unit) +{ + void *hc; +#if BUGGY > 0 + u_int *fecr; +#endif + vm_offset_t plx_vaddr, plx_paddr, sca_vaddr, sca_paddr; + +#if BUGGY > 0 + printf("srp: ID %x\n", pci_conf_read(config_id, 0)); + printf("srp: BADR0 %x\n", pci_conf_read(config_id, 0x10)); + printf("srp: BADR1 %x\n", pci_conf_read(config_id, 0x18)); +#endif + if(!pci_map_mem(config_id, 0x10, &plx_vaddr, &plx_paddr)) { + printf("srp: map failed.\n"); + return; + } +#if BUGGY > 0 + printf("srp: vaddr %x, paddr %x\n", plx_vaddr, plx_paddr); +#endif + if(!pci_map_mem(config_id, 0x18, &sca_vaddr, &sca_paddr)) { + printf("srp: map failed.\n"); + return; + } +#if BUGGY > 0 + printf("srp: vaddr %x, paddr %x\n", sca_vaddr, sca_paddr); + fecr = (u_int *)(sca_vaddr + 0x200); + printf("srp: FECR %x\n", *fecr); +#endif + + hc = srattach_pci(unit, plx_vaddr, sca_vaddr); + if(!hc) + return; + + if(!pci_map_int(config_id, srintr_hc, (void *)hc, &net_imask)) { + free(hc, M_DEVBUF); + return; + } +} + +#endif /* NPCI > 0 */ |