diff options
Diffstat (limited to 'sys/dev/pci/if_bge.c')
| -rw-r--r-- | sys/dev/pci/if_bge.c | 198 |
1 files changed, 195 insertions, 3 deletions
diff --git a/sys/dev/pci/if_bge.c b/sys/dev/pci/if_bge.c index 0afebaa1a94..9309b5f59b2 100644 --- a/sys/dev/pci/if_bge.c +++ b/sys/dev/pci/if_bge.c @@ -1,4 +1,4 @@ -/* $OpenBSD: if_bge.c,v 1.41 2004/12/11 05:57:04 brad Exp $ */ +/* $OpenBSD: if_bge.c,v 1.42 2004/12/12 05:03:05 brad Exp $ */ /* * Copyright (c) 2001 Wind River Systems * Copyright (c) 1997, 1998, 1999, 2001 @@ -117,6 +117,7 @@ /* #define BGE_CHECKSUM */ +const struct bge_revision * bge_lookup_rev(uint32_t); int bge_probe(struct device *, void *, void *); void bge_attach(struct device *, struct device *, void *); void bge_release_resources(struct bge_softc *); @@ -238,6 +239,21 @@ const struct pci_matchid bge_devices[] = { { PCI_VENDOR_3COM, PCI_PRODUCT_3COM_3C996 }, }; +/* Various chip quirks. */ +#define BGE_QUIRK_LINK_STATE_BROKEN 0x00000001 +#define BGE_QUIRK_CSUM_BROKEN 0x00000002 +#define BGE_QUIRK_ONLY_PHY_1 0x00000004 +#define BGE_QUIRK_5700_SMALLDMA 0x00000008 +#define BGE_QUIRK_5700_PCIX_REG_BUG 0x00000010 +#define BGE_QUIRK_PRODUCER_BUG 0x00000020 +#define BGE_QUIRK_PCIX_DMA_ALIGN_BUG 0x00000040 +#define BGE_QUIRK_5705_CORE 0x00000080 +#define BGE_QUIRK_FEWER_MBUFS 0x00000100 + +/* following bugs are common to bcm5700 rev B, all flavours */ +#define BGE_QUIRK_5700_COMMON \ + (BGE_QUIRK_5700_SMALLDMA|BGE_QUIRK_PRODUCER_BUG) + u_int32_t bge_readmem_ind(sc, off) struct bge_softc *sc; @@ -1498,6 +1514,167 @@ bge_blockinit(sc) return(0); } +static const struct bge_revision { + uint32_t br_chipid; + uint32_t br_quirks; + const char *br_name; +} bge_revisions[] = { + { BGE_CHIPID_BCM5700_A0, + BGE_QUIRK_LINK_STATE_BROKEN, + "BCM5700 A0" }, + + { BGE_CHIPID_BCM5700_A1, + BGE_QUIRK_LINK_STATE_BROKEN, + "BCM5700 A1" }, + + { BGE_CHIPID_BCM5700_B0, + BGE_QUIRK_LINK_STATE_BROKEN|BGE_QUIRK_CSUM_BROKEN|BGE_QUIRK_5700_COMMON, + "BCM5700 B0" }, + + { BGE_CHIPID_BCM5700_B1, + BGE_QUIRK_LINK_STATE_BROKEN|BGE_QUIRK_5700_COMMON, + "BCM5700 B1" }, + + { BGE_CHIPID_BCM5700_B2, + BGE_QUIRK_LINK_STATE_BROKEN|BGE_QUIRK_5700_COMMON, + "BCM5700 B2" }, + + /* This is treated like a BCM5700 Bx */ + { BGE_CHIPID_BCM5700_ALTIMA, + BGE_QUIRK_LINK_STATE_BROKEN|BGE_QUIRK_5700_COMMON, + "BCM5700 Altima" }, + + { BGE_CHIPID_BCM5700_C0, + 0, + "BCM5700 C0" }, + + { BGE_CHIPID_BCM5701_A0, + 0, /*XXX really, just not known */ + "BCM5701 A0" }, + + { BGE_CHIPID_BCM5701_B0, + BGE_QUIRK_PCIX_DMA_ALIGN_BUG, + "BCM5701 B0" }, + + { BGE_CHIPID_BCM5701_B2, + BGE_QUIRK_PCIX_DMA_ALIGN_BUG, + "BCM5701 B2" }, + + { BGE_CHIPID_BCM5701_B5, + BGE_QUIRK_ONLY_PHY_1|BGE_QUIRK_PCIX_DMA_ALIGN_BUG, + "BCM5701 B5" }, + + { BGE_CHIPID_BCM5703_A0, + 0, + "BCM5703 A0" }, + + { BGE_CHIPID_BCM5703_A1, + 0, + "BCM5703 A1" }, + + { BGE_CHIPID_BCM5703_A2, + BGE_QUIRK_ONLY_PHY_1, + "BCM5703 A2" }, + + { BGE_CHIPID_BCM5703_A3, + BGE_QUIRK_ONLY_PHY_1, + "BCM5703 A3" }, + + { BGE_CHIPID_BCM5704_A0, + BGE_QUIRK_ONLY_PHY_1|BGE_QUIRK_FEWER_MBUFS, + "BCM5704 A0" }, + + { BGE_CHIPID_BCM5704_A1, + BGE_QUIRK_ONLY_PHY_1|BGE_QUIRK_FEWER_MBUFS, + "BCM5704 A1" }, + + { BGE_CHIPID_BCM5704_A2, + BGE_QUIRK_ONLY_PHY_1|BGE_QUIRK_FEWER_MBUFS, + "BCM5704 A2" }, + + { BGE_CHIPID_BCM5704_A3, + BGE_QUIRK_ONLY_PHY_1|BGE_QUIRK_FEWER_MBUFS, + "BCM5704 A3" }, + + { BGE_CHIPID_BCM5705_A0, + BGE_QUIRK_ONLY_PHY_1|BGE_QUIRK_5705_CORE, + "BCM5705 A0" }, + + { BGE_CHIPID_BCM5705_A1, + BGE_QUIRK_ONLY_PHY_1|BGE_QUIRK_5705_CORE, + "BCM5705 A1" }, + + { BGE_CHIPID_BCM5705_A2, + BGE_QUIRK_ONLY_PHY_1|BGE_QUIRK_5705_CORE, + "BCM5705 A2" }, + + { BGE_CHIPID_BCM5705_A3, + BGE_QUIRK_ONLY_PHY_1|BGE_QUIRK_5705_CORE, + "BCM5705 A3" }, + + { BGE_CHIPID_BCM5750_A0, + BGE_QUIRK_ONLY_PHY_1|BGE_QUIRK_5705_CORE, + "BCM5750 A1" }, + + { BGE_CHIPID_BCM5750_A1, + BGE_QUIRK_ONLY_PHY_1|BGE_QUIRK_5705_CORE, + "BCM5750 A1" }, + + { 0, 0, NULL } +}; + +/* + * Some defaults for major revisions, so that newer steppings + * that we don't know about have a shot at working. + */ +static const struct bge_revision bge_majorrevs[] = { + { BGE_ASICREV_BCM5700, + BGE_QUIRK_LINK_STATE_BROKEN, + "unknown BCM5700" }, + + { BGE_ASICREV_BCM5701, + BGE_QUIRK_PCIX_DMA_ALIGN_BUG, + "unknown BCM5701" }, + + { BGE_ASICREV_BCM5703, + 0, + "unknown BCM5703" }, + + { BGE_ASICREV_BCM5704, + BGE_QUIRK_ONLY_PHY_1, + "unknown BCM5704" }, + + { BGE_ASICREV_BCM5705, + BGE_QUIRK_ONLY_PHY_1|BGE_QUIRK_5705_CORE, + "unknown BCM5705" }, + + { BGE_ASICREV_BCM5750, + BGE_QUIRK_ONLY_PHY_1|BGE_QUIRK_5705_CORE, + "unknown BCM5750" }, + + { 0, + 0, + NULL } +}; + +const struct bge_revision * +bge_lookup_rev(uint32_t chipid) +{ + const struct bge_revision *br; + + for (br = bge_revisions; br->br_name != NULL; br++) { + if (br->br_chipid == chipid) + return (br); + } + + for (br = bge_majorrevs; br->br_name != NULL; br++) { + if (br->br_chipid == BGE_ASICREV(chipid)) + return (br); + } + + return (NULL); +} + /* * Probe for a Broadcom chip. Check the PCI vendor and device IDs * against our list and return its name if we find a match. Note @@ -1524,6 +1701,7 @@ bge_attach(parent, self, aux) struct bge_softc *sc = (struct bge_softc *)self; struct pci_attach_args *pa = aux; pci_chipset_tag_t pc = pa->pa_pc; + const struct bge_revision *br; pci_intr_handle_t ih; const char *intrstr = NULL; bus_addr_t iobase; @@ -1592,9 +1770,11 @@ bge_attach(parent, self, aux) printf("\n"); goto fail; } - printf(": %s", intrstr); - /* Save ASIC rev. */ + /* + * Save ASIC rev. Look up any quirks + * associated with this ASIC. + */ sc->bge_chipid = pci_conf_read(pc, pa->pa_tag, BGE_PCI_MISC_CTL) & @@ -1602,6 +1782,18 @@ bge_attach(parent, self, aux) sc->bge_asicrev = BGE_ASICREV(sc->bge_chipid); sc->bge_chiprev = BGE_CHIPREV(sc->bge_chipid); + printf(", "); + br = bge_lookup_rev(sc->bge_chipid); + if (br == NULL) { + printf("unknown ASIC 0x%08x", sc->bge_chipid); + sc->bge_quirks = 0; + } else { + printf("%s", br->br_name); + sc->bge_quirks = br->br_quirks; + } + + printf(": %s", intrstr); + /* * XXX: Broadcom Linux driver. Not in specs or eratta. * PCI-Express? |