diff options
author | Felix Fietkau <nbd@openwrt.org> | 2009-04-27 15:35:24 +0000 |
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committer | Felix Fietkau <nbd@openwrt.org> | 2009-04-27 15:35:24 +0000 |
commit | de7b6625a25e22975cef703b71c40097c6598926 (patch) | |
tree | f9cfbd6cc1af154359d5be70acbfe05d95c49426 /target/linux/generic-2.6/files-2.6.24/drivers/ssb/scan.c | |
parent | f8fb679405a4476db37cab7a124de10765e0a834 (diff) | |
download | upstream-de7b6625a25e22975cef703b71c40097c6598926.tar.gz upstream-de7b6625a25e22975cef703b71c40097c6598926.tar.bz2 upstream-de7b6625a25e22975cef703b71c40097c6598926.zip |
remove the unused files-2.6.24 directory
SVN-Revision: 15442
Diffstat (limited to 'target/linux/generic-2.6/files-2.6.24/drivers/ssb/scan.c')
-rw-r--r-- | target/linux/generic-2.6/files-2.6.24/drivers/ssb/scan.c | 424 |
1 files changed, 0 insertions, 424 deletions
diff --git a/target/linux/generic-2.6/files-2.6.24/drivers/ssb/scan.c b/target/linux/generic-2.6/files-2.6.24/drivers/ssb/scan.c deleted file mode 100644 index 63ee5cfbef..0000000000 --- a/target/linux/generic-2.6/files-2.6.24/drivers/ssb/scan.c +++ /dev/null @@ -1,424 +0,0 @@ -/* - * Sonics Silicon Backplane - * Bus scanning - * - * Copyright (C) 2005-2007 Michael Buesch <mb@bu3sch.de> - * Copyright (C) 2005 Martin Langer <martin-langer@gmx.de> - * Copyright (C) 2005 Stefano Brivio <st3@riseup.net> - * Copyright (C) 2005 Danny van Dyk <kugelfang@gentoo.org> - * Copyright (C) 2005 Andreas Jaggi <andreas.jaggi@waterwave.ch> - * Copyright (C) 2006 Broadcom Corporation. - * - * Licensed under the GNU/GPL. See COPYING for details. - */ - -#include <linux/ssb/ssb.h> -#include <linux/ssb/ssb_regs.h> -#include <linux/pci.h> -#include <linux/io.h> - -#include <pcmcia/cs_types.h> -#include <pcmcia/cs.h> -#include <pcmcia/cistpl.h> -#include <pcmcia/ds.h> - -#include "ssb_private.h" - - -const char *ssb_core_name(u16 coreid) -{ - switch (coreid) { - case SSB_DEV_CHIPCOMMON: - return "ChipCommon"; - case SSB_DEV_ILINE20: - return "ILine 20"; - case SSB_DEV_SDRAM: - return "SDRAM"; - case SSB_DEV_PCI: - return "PCI"; - case SSB_DEV_MIPS: - return "MIPS"; - case SSB_DEV_ETHERNET: - return "Fast Ethernet"; - case SSB_DEV_V90: - return "V90"; - case SSB_DEV_USB11_HOSTDEV: - return "USB 1.1 Hostdev"; - case SSB_DEV_ADSL: - return "ADSL"; - case SSB_DEV_ILINE100: - return "ILine 100"; - case SSB_DEV_IPSEC: - return "IPSEC"; - case SSB_DEV_PCMCIA: - return "PCMCIA"; - case SSB_DEV_INTERNAL_MEM: - return "Internal Memory"; - case SSB_DEV_MEMC_SDRAM: - return "MEMC SDRAM"; - case SSB_DEV_EXTIF: - return "EXTIF"; - case SSB_DEV_80211: - return "IEEE 802.11"; - case SSB_DEV_MIPS_3302: - return "MIPS 3302"; - case SSB_DEV_USB11_HOST: - return "USB 1.1 Host"; - case SSB_DEV_USB11_DEV: - return "USB 1.1 Device"; - case SSB_DEV_USB20_HOST: - return "USB 2.0 Host"; - case SSB_DEV_USB20_DEV: - return "USB 2.0 Device"; - case SSB_DEV_SDIO_HOST: - return "SDIO Host"; - case SSB_DEV_ROBOSWITCH: - return "Roboswitch"; - case SSB_DEV_PARA_ATA: - return "PATA"; - case SSB_DEV_SATA_XORDMA: - return "SATA XOR-DMA"; - case SSB_DEV_ETHERNET_GBIT: - return "GBit Ethernet"; - case SSB_DEV_PCIE: - return "PCI-E"; - case SSB_DEV_MIMO_PHY: - return "MIMO PHY"; - case SSB_DEV_SRAM_CTRLR: - return "SRAM Controller"; - case SSB_DEV_MINI_MACPHY: - return "Mini MACPHY"; - case SSB_DEV_ARM_1176: - return "ARM 1176"; - case SSB_DEV_ARM_7TDMI: - return "ARM 7TDMI"; - } - return "UNKNOWN"; -} - -static u16 pcidev_to_chipid(struct pci_dev *pci_dev) -{ - u16 chipid_fallback = 0; - - switch (pci_dev->device) { - case 0x4301: - chipid_fallback = 0x4301; - break; - case 0x4305 ... 0x4307: - chipid_fallback = 0x4307; - break; - case 0x4403: - chipid_fallback = 0x4402; - break; - case 0x4610 ... 0x4615: - chipid_fallback = 0x4610; - break; - case 0x4710 ... 0x4715: - chipid_fallback = 0x4710; - break; - case 0x4320 ... 0x4325: - chipid_fallback = 0x4309; - break; - case PCI_DEVICE_ID_BCM4401: - case PCI_DEVICE_ID_BCM4401B0: - case PCI_DEVICE_ID_BCM4401B1: - chipid_fallback = 0x4401; - break; - default: - ssb_printk(KERN_ERR PFX - "PCI-ID not in fallback list\n"); - } - - return chipid_fallback; -} - -static u8 chipid_to_nrcores(u16 chipid) -{ - switch (chipid) { - case 0x5365: - return 7; - case 0x4306: - return 6; - case 0x4310: - return 8; - case 0x4307: - case 0x4301: - return 5; - case 0x4401: - case 0x4402: - return 3; - case 0x4710: - case 0x4610: - case 0x4704: - return 9; - default: - ssb_printk(KERN_ERR PFX - "CHIPID not in nrcores fallback list\n"); - } - - return 1; -} - -static u32 scan_read32(struct ssb_bus *bus, u8 current_coreidx, - u16 offset) -{ - switch (bus->bustype) { - case SSB_BUSTYPE_SSB: - offset += current_coreidx * SSB_CORE_SIZE; - break; - case SSB_BUSTYPE_PCI: - break; - case SSB_BUSTYPE_PCMCIA: - if (offset >= 0x800) { - ssb_pcmcia_switch_segment(bus, 1); - offset -= 0x800; - } else - ssb_pcmcia_switch_segment(bus, 0); - break; - } - return readl(bus->mmio + offset); -} - -static int scan_switchcore(struct ssb_bus *bus, u8 coreidx) -{ - switch (bus->bustype) { - case SSB_BUSTYPE_SSB: - break; - case SSB_BUSTYPE_PCI: - return ssb_pci_switch_coreidx(bus, coreidx); - case SSB_BUSTYPE_PCMCIA: - return ssb_pcmcia_switch_coreidx(bus, coreidx); - } - return 0; -} - -void ssb_iounmap(struct ssb_bus *bus) -{ - switch (bus->bustype) { - case SSB_BUSTYPE_SSB: - case SSB_BUSTYPE_PCMCIA: - iounmap(bus->mmio); - break; - case SSB_BUSTYPE_PCI: -#ifdef CONFIG_SSB_PCIHOST - pci_iounmap(bus->host_pci, bus->mmio); -#else - SSB_BUG_ON(1); /* Can't reach this code. */ -#endif - break; - } - bus->mmio = NULL; - bus->mapped_device = NULL; -} - -static void __iomem *ssb_ioremap(struct ssb_bus *bus, - unsigned long baseaddr) -{ - void __iomem *mmio = NULL; - - switch (bus->bustype) { - case SSB_BUSTYPE_SSB: - /* Only map the first core for now. */ - /* fallthrough... */ - case SSB_BUSTYPE_PCMCIA: - mmio = ioremap(baseaddr, SSB_CORE_SIZE); - break; - case SSB_BUSTYPE_PCI: -#ifdef CONFIG_SSB_PCIHOST - mmio = pci_iomap(bus->host_pci, 0, ~0UL); -#else - SSB_BUG_ON(1); /* Can't reach this code. */ -#endif - break; - } - - 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 dev_i, i; - struct ssb_device *dev; - int nr_80211_cores = 0; - - mmio = ssb_ioremap(bus, baseaddr); - if (!mmio) - goto out; - bus->mmio = mmio; - - err = scan_switchcore(bus, 0); /* Switch to first core */ - if (err) - goto err_unmap; - - idhi = scan_read32(bus, 0, SSB_IDHIGH); - cc = (idhi & SSB_IDHIGH_CC) >> SSB_IDHIGH_CC_SHIFT; - rev = (idhi & SSB_IDHIGH_RCLO); - rev |= (idhi & SSB_IDHIGH_RCHI) >> SSB_IDHIGH_RCHI_SHIFT; - - bus->nr_devices = 0; - if (cc == SSB_DEV_CHIPCOMMON) { - tmp = scan_read32(bus, 0, SSB_CHIPCO_CHIPID); - - bus->chip_id = (tmp & SSB_CHIPCO_IDMASK); - bus->chip_rev = (tmp & SSB_CHIPCO_REVMASK) >> - SSB_CHIPCO_REVSHIFT; - bus->chip_package = (tmp & SSB_CHIPCO_PACKMASK) >> - SSB_CHIPCO_PACKSHIFT; - if (rev >= 4) { - bus->nr_devices = (tmp & SSB_CHIPCO_NRCORESMASK) >> - SSB_CHIPCO_NRCORESSHIFT; - } - tmp = scan_read32(bus, 0, SSB_CHIPCO_CAP); - bus->chipco.capabilities = tmp; - } else { - if (bus->bustype == SSB_BUSTYPE_PCI) { - bus->chip_id = pcidev_to_chipid(bus->host_pci); - pci_read_config_word(bus->host_pci, PCI_REVISION_ID, - &bus->chip_rev); - bus->chip_package = 0; - } else { - bus->chip_id = 0x4710; - bus->chip_rev = 0; - bus->chip_package = 0; - } - } - if (!bus->nr_devices) - bus->nr_devices = chipid_to_nrcores(bus->chip_id); - if (bus->nr_devices > ARRAY_SIZE(bus->devices)) { - ssb_printk(KERN_ERR PFX - "More than %d ssb cores found (%d)\n", - SSB_MAX_NR_CORES, bus->nr_devices); - goto err_unmap; - } - if (bus->bustype == SSB_BUSTYPE_SSB) { - /* Now that we know the number of cores, - * remap the whole IO space for all cores. - */ - err = -ENOMEM; - iounmap(mmio); - mmio = ioremap(baseaddr, SSB_CORE_SIZE * bus->nr_devices); - if (!mmio) - goto out; - bus->mmio = mmio; - } - - /* Fetch basic information about each core/device */ - for (i = 0, dev_i = 0; i < bus->nr_devices; i++) { - err = scan_switchcore(bus, i); - if (err) - goto err_unmap; - dev = &(bus->devices[dev_i]); - - idhi = scan_read32(bus, i, SSB_IDHIGH); - dev->id.coreid = (idhi & SSB_IDHIGH_CC) >> SSB_IDHIGH_CC_SHIFT; - dev->id.revision = (idhi & SSB_IDHIGH_RCLO); - dev->id.revision |= (idhi & SSB_IDHIGH_RCHI) >> SSB_IDHIGH_RCHI_SHIFT; - dev->id.vendor = (idhi & SSB_IDHIGH_VC) >> SSB_IDHIGH_VC_SHIFT; - dev->core_index = i; - dev->bus = bus; - dev->ops = bus->ops; - - ssb_dprintk(KERN_INFO PFX - "Core %d found: %s " - "(cc 0x%03X, rev 0x%02X, vendor 0x%04X)\n", - i, ssb_core_name(dev->id.coreid), - dev->id.coreid, dev->id.revision, dev->id.vendor); - - 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_SSB_DRIVER_EXTIF - if (bus->extif.dev) { - ssb_printk(KERN_WARNING PFX - "WARNING: Multiple EXTIFs found\n"); - break; - } - bus->extif.dev = dev; -#endif /* CONFIG_SSB_DRIVER_EXTIF */ - break; - case SSB_DEV_CHIPCOMMON: - if (bus->chipco.dev) { - ssb_printk(KERN_WARNING PFX - "WARNING: Multiple ChipCommon found\n"); - break; - } - bus->chipco.dev = dev; - break; - case SSB_DEV_MIPS: - case SSB_DEV_MIPS_3302: -#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_SSB_DRIVER_MIPS */ - break; - case SSB_DEV_PCI: - case SSB_DEV_PCIE: -#ifdef CONFIG_SSB_DRIVER_PCICORE - if (bus->bustype == SSB_BUSTYPE_PCI) { - /* Ignore PCI cores on PCI-E cards. - * Ignore PCI-E cores on PCI cards. */ - if (dev->id.coreid == SSB_DEV_PCI) { - if (bus->host_pci->is_pcie) - continue; - } else { - if (!bus->host_pci->is_pcie) - continue; - } - } - if (bus->pcicore.dev) { - ssb_printk(KERN_WARNING PFX - "WARNING: Multiple PCI(E) cores found\n"); - break; - } - bus->pcicore.dev = dev; -#endif /* CONFIG_SSB_DRIVER_PCICORE */ - break; - default: - break; - } - - dev_i++; - } - bus->nr_devices = dev_i; - - err = 0; -out: - return err; -err_unmap: - ssb_iounmap(bus); - goto out; -} |