From 3b69e3f9234478a3996252c4ebb6759fc29a9052 Mon Sep 17 00:00:00 2001 From: Peter Denison Date: Thu, 21 Jun 2007 20:10:50 +0000 Subject: brcm43xx: update SSB driver * files/ now contains the wireless-dev tree version * patches/210-ssb_merge is nbd's subsequent changes git-svn-id: svn://svn.openwrt.org/openwrt/trunk@7691 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- target/linux/brcm47xx-2.6/files/drivers/ssb/scan.c | 58 +++++++++++++++++----- 1 file changed, 46 insertions(+), 12 deletions(-) (limited to 'target/linux/brcm47xx-2.6/files/drivers/ssb/scan.c') diff --git a/target/linux/brcm47xx-2.6/files/drivers/ssb/scan.c b/target/linux/brcm47xx-2.6/files/drivers/ssb/scan.c index 9e4a121c12..feaf1e57d0 100644 --- a/target/linux/brcm47xx-2.6/files/drivers/ssb/scan.c +++ b/target/linux/brcm47xx-2.6/files/drivers/ssb/scan.c @@ -17,6 +17,13 @@ #include #include +#ifdef CONFIG_SSB_PCMCIAHOST +# include +# include +# include +# include +#endif + #include "ssb_private.h" @@ -222,14 +229,32 @@ static void __iomem * ssb_ioremap(struct ssb_bus *bus, return mmio; } +static int we_support_multiple_80211_cores(struct ssb_bus *bus) +{ + /* More than one 802.11 core is only supported by special chips. + * There are chips with two 802.11 cores, but with dangling + * pins on the second core. Be careful and reject them here. + */ + +#ifdef CONFIG_SSB_PCIHOST + if (bus->bustype == SSB_BUSTYPE_PCI) { + if (bus->host_pci->vendor == PCI_VENDOR_ID_BROADCOM && + bus->host_pci->device == 0x4324) + return 1; + } +#endif /* CONFIG_SSB_PCIHOST */ + return 0; +} + int ssb_bus_scan(struct ssb_bus *bus, unsigned long baseaddr) { int err = -ENOMEM; void __iomem *mmio; u32 idhi, cc, rev, tmp; - int i; + int dev_i, i; struct ssb_device *dev; + int nr_80211_cores = 0; mmio = ssb_ioremap(bus, baseaddr); if (!mmio) @@ -293,11 +318,11 @@ int ssb_bus_scan(struct ssb_bus *bus, } /* Fetch basic information about each core/device */ - for (i = 0; i < bus->nr_devices; i++) { + for (i = 0, dev_i = 0; i < bus->nr_devices; i++) { err = scan_switchcore(bus, i); if (err) goto err_unmap; - dev = &(bus->devices[i]); + dev = &(bus->devices[dev_i]); idhi = scan_read32(bus, i, SSB_IDHIGH); dev->id.coreid = (idhi & SSB_IDHIGH_CC) >> SSB_IDHIGH_CC_SHIFT; @@ -306,8 +331,7 @@ int ssb_bus_scan(struct ssb_bus *bus, dev->id.vendor = (idhi & SSB_IDHIGH_VC) >> SSB_IDHIGH_VC_SHIFT; dev->core_index = i; dev->bus = bus; - if ((dev->bus->bustype == SSB_BUSTYPE_PCI) && (bus->host_pci)) - dev->irq = bus->host_pci->irq; + dev->ops = bus->ops; ssb_dprintk(KERN_INFO PFX "Core %d found: %s " @@ -315,13 +339,19 @@ int ssb_bus_scan(struct ssb_bus *bus, i, ssb_core_name(dev->id.coreid), dev->id.coreid, dev->id.revision, dev->id.vendor); - dev->dev.bus = &ssb_bustype; - snprintf(dev->dev.bus_id, sizeof(dev->dev.bus_id), - "ssb%02x:%02x", bus->busnumber, i); - switch (dev->id.coreid) { + case SSB_DEV_80211: + nr_80211_cores++; + if (nr_80211_cores > 1) { + if (!we_support_multiple_80211_cores(bus)) { + ssb_dprintk(KERN_INFO PFX "Ignoring additional " + "802.11 core\n"); + continue; + } + } + break; case SSB_DEV_EXTIF: -#ifdef CONFIG_BCM947XX +#ifdef CONFIG_SSB_DRIVER_EXTIF if (bus->extif.dev) { ssb_printk(KERN_WARNING PFX "WARNING: Multiple EXTIFs found\n"); @@ -340,14 +370,14 @@ int ssb_bus_scan(struct ssb_bus *bus, break; case SSB_DEV_MIPS: case SSB_DEV_MIPS_3302: -#ifdef CONFIG_BCM947XX +#ifdef CONFIG_SSB_DRIVER_MIPS if (bus->mipscore.dev) { ssb_printk(KERN_WARNING PFX "WARNING: Multiple MIPS cores found\n"); break; } bus->mipscore.dev = dev; -#endif /* CONFIG_BCM947XX */ +#endif /* CONFIG_SSB_DRIVER_MIPS */ break; case SSB_DEV_PCI: case SSB_DEV_PCIE: @@ -363,7 +393,11 @@ int ssb_bus_scan(struct ssb_bus *bus, default: break; } + + dev_i++; } + bus->nr_devices = dev_i; + err = 0; out: return err; -- cgit v1.2.3