diff options
Diffstat (limited to 'arch/x86/pci')
| -rw-r--r-- | arch/x86/pci/Makefile | 3 | ||||
| -rw-r--r-- | arch/x86/pci/common.c | 5 | ||||
| -rw-r--r-- | arch/x86/pci/numaq_32.c | 165 | ||||
| -rw-r--r-- | arch/x86/pci/visws.c | 87 |
4 files changed, 1 insertions, 259 deletions
diff --git a/arch/x86/pci/Makefile b/arch/x86/pci/Makefile index e063eed0f912..5c6fc3577a49 100644 --- a/arch/x86/pci/Makefile +++ b/arch/x86/pci/Makefile @@ -13,9 +13,6 @@ obj-y += legacy.o irq.o obj-$(CONFIG_STA2X11) += sta2x11-fixup.o -obj-$(CONFIG_X86_VISWS) += visws.o - -obj-$(CONFIG_X86_NUMAQ) += numaq_32.o obj-$(CONFIG_X86_NUMACHIP) += numachip.o obj-$(CONFIG_X86_INTEL_MID) += intel_mid_pci.o diff --git a/arch/x86/pci/common.c b/arch/x86/pci/common.c index d491deddebae..059a76c29739 100644 --- a/arch/x86/pci/common.c +++ b/arch/x86/pci/common.c @@ -567,7 +567,6 @@ char * __init pcibios_setup(char *str) pci_probe |= PCI_PROBE_NOEARLY; return NULL; } -#ifndef CONFIG_X86_VISWS else if (!strcmp(str, "usepirqmask")) { pci_probe |= PCI_USE_PIRQ_MASK; return NULL; @@ -577,9 +576,7 @@ char * __init pcibios_setup(char *str) } else if (!strncmp(str, "lastbus=", 8)) { pcibios_last_bus = simple_strtol(str+8, NULL, 0); return NULL; - } -#endif - else if (!strcmp(str, "rom")) { + } else if (!strcmp(str, "rom")) { pci_probe |= PCI_ASSIGN_ROMS; return NULL; } else if (!strcmp(str, "norom")) { diff --git a/arch/x86/pci/numaq_32.c b/arch/x86/pci/numaq_32.c deleted file mode 100644 index 080eb0374fff..000000000000 --- a/arch/x86/pci/numaq_32.c +++ /dev/null @@ -1,165 +0,0 @@ -/* - * numaq_32.c - Low-level PCI access for NUMA-Q machines - */ - -#include <linux/pci.h> -#include <linux/init.h> -#include <linux/nodemask.h> -#include <asm/apic.h> -#include <asm/mpspec.h> -#include <asm/pci_x86.h> -#include <asm/numaq.h> - -#define BUS2QUAD(global) (mp_bus_id_to_node[global]) - -#define BUS2LOCAL(global) (mp_bus_id_to_local[global]) - -#define QUADLOCAL2BUS(quad,local) (quad_local_to_mp_bus_id[quad][local]) - -#define PCI_CONF1_MQ_ADDRESS(bus, devfn, reg) \ - (0x80000000 | (BUS2LOCAL(bus) << 16) | (devfn << 8) | (reg & ~3)) - -static void write_cf8(unsigned bus, unsigned devfn, unsigned reg) -{ - unsigned val = PCI_CONF1_MQ_ADDRESS(bus, devfn, reg); - if (xquad_portio) - writel(val, XQUAD_PORT_ADDR(0xcf8, BUS2QUAD(bus))); - else - outl(val, 0xCF8); -} - -static int pci_conf1_mq_read(unsigned int seg, unsigned int bus, - unsigned int devfn, int reg, int len, u32 *value) -{ - unsigned long flags; - void *adr __iomem = XQUAD_PORT_ADDR(0xcfc, BUS2QUAD(bus)); - - WARN_ON(seg); - if (!value || (bus >= MAX_MP_BUSSES) || (devfn > 255) || (reg > 255)) - return -EINVAL; - - raw_spin_lock_irqsave(&pci_config_lock, flags); - - write_cf8(bus, devfn, reg); - - switch (len) { - case 1: - if (xquad_portio) - *value = readb(adr + (reg & 3)); - else - *value = inb(0xCFC + (reg & 3)); - break; - case 2: - if (xquad_portio) - *value = readw(adr + (reg & 2)); - else - *value = inw(0xCFC + (reg & 2)); - break; - case 4: - if (xquad_portio) - *value = readl(adr); - else - *value = inl(0xCFC); - break; - } - - raw_spin_unlock_irqrestore(&pci_config_lock, flags); - - return 0; -} - -static int pci_conf1_mq_write(unsigned int seg, unsigned int bus, - unsigned int devfn, int reg, int len, u32 value) -{ - unsigned long flags; - void *adr __iomem = XQUAD_PORT_ADDR(0xcfc, BUS2QUAD(bus)); - - WARN_ON(seg); - if ((bus >= MAX_MP_BUSSES) || (devfn > 255) || (reg > 255)) - return -EINVAL; - - raw_spin_lock_irqsave(&pci_config_lock, flags); - - write_cf8(bus, devfn, reg); - - switch (len) { - case 1: - if (xquad_portio) - writeb(value, adr + (reg & 3)); - else - outb((u8)value, 0xCFC + (reg & 3)); - break; - case 2: - if (xquad_portio) - writew(value, adr + (reg & 2)); - else - outw((u16)value, 0xCFC + (reg & 2)); - break; - case 4: - if (xquad_portio) - writel(value, adr + reg); - else - outl((u32)value, 0xCFC); - break; - } - - raw_spin_unlock_irqrestore(&pci_config_lock, flags); - - return 0; -} - -#undef PCI_CONF1_MQ_ADDRESS - -static const struct pci_raw_ops pci_direct_conf1_mq = { - .read = pci_conf1_mq_read, - .write = pci_conf1_mq_write -}; - - -static void pci_fixup_i450nx(struct pci_dev *d) -{ - /* - * i450NX -- Find and scan all secondary buses on all PXB's. - */ - int pxb, reg; - u8 busno, suba, subb; - int quad = BUS2QUAD(d->bus->number); - - dev_info(&d->dev, "searching for i450NX host bridges\n"); - reg = 0xd0; - for(pxb=0; pxb<2; pxb++) { - pci_read_config_byte(d, reg++, &busno); - pci_read_config_byte(d, reg++, &suba); - pci_read_config_byte(d, reg++, &subb); - dev_dbg(&d->dev, "i450NX PXB %d: %02x/%02x/%02x\n", - pxb, busno, suba, subb); - if (busno) { - /* Bus A */ - pcibios_scan_root(QUADLOCAL2BUS(quad, busno)); - } - if (suba < subb) { - /* Bus B */ - pcibios_scan_root(QUADLOCAL2BUS(quad, suba+1)); - } - } - pcibios_last_bus = -1; -} -DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82451NX, pci_fixup_i450nx); - -int __init pci_numaq_init(void) -{ - int quad; - - raw_pci_ops = &pci_direct_conf1_mq; - - pcibios_scan_root(0); - if (num_online_nodes() > 1) - for_each_online_node(quad) { - if (quad == 0) - continue; - printk("Scanning PCI bus %d for quad %d\n", - QUADLOCAL2BUS(quad,0), quad); - pcibios_scan_root(QUADLOCAL2BUS(quad, 0)); - } - return 0; -} diff --git a/arch/x86/pci/visws.c b/arch/x86/pci/visws.c deleted file mode 100644 index cd9d4d1681d2..000000000000 --- a/arch/x86/pci/visws.c +++ /dev/null @@ -1,87 +0,0 @@ -/* - * Low-Level PCI Support for SGI Visual Workstation - * - * (c) 1999--2000 Martin Mares <mj@ucw.cz> - */ - -#include <linux/kernel.h> -#include <linux/pci.h> -#include <linux/init.h> - -#include <asm/setup.h> -#include <asm/pci_x86.h> -#include <asm/visws/cobalt.h> -#include <asm/visws/lithium.h> - -static int pci_visws_enable_irq(struct pci_dev *dev) { return 0; } -static void pci_visws_disable_irq(struct pci_dev *dev) { } - -/* int (*pcibios_enable_irq)(struct pci_dev *dev) = &pci_visws_enable_irq; */ -/* void (*pcibios_disable_irq)(struct pci_dev *dev) = &pci_visws_disable_irq; */ - -/* void __init pcibios_penalize_isa_irq(int irq, int active) {} */ - - -unsigned int pci_bus0, pci_bus1; - -static int __init visws_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) -{ - int irq, bus = dev->bus->number; - - pin--; - - /* Nothing useful at PIIX4 pin 1 */ - if (bus == pci_bus0 && slot == 4 && pin == 0) - return -1; - - /* PIIX4 USB is on Bus 0, Slot 4, Line 3 */ - if (bus == pci_bus0 && slot == 4 && pin == 3) { - irq = CO_IRQ(CO_APIC_PIIX4_USB); - goto out; - } - - /* First pin spread down 1 APIC entry per slot */ - if (pin == 0) { - irq = CO_IRQ((bus == pci_bus0 ? CO_APIC_PCIB_BASE0 : - CO_APIC_PCIA_BASE0) + slot); - goto out; - } - - /* lines 1,2,3 from any slot is shared in this twirly pattern */ - if (bus == pci_bus1) { - /* lines 1-3 from devices 0 1 rotate over 2 apic entries */ - irq = CO_IRQ(CO_APIC_PCIA_BASE123 + ((slot + (pin - 1)) % 2)); - } else { /* bus == pci_bus0 */ - /* lines 1-3 from devices 0-3 rotate over 3 apic entries */ - if (slot == 0) - slot = 3; /* same pattern */ - irq = CO_IRQ(CO_APIC_PCIA_BASE123 + ((3 - slot) + (pin - 1) % 3)); - } -out: - printk(KERN_DEBUG "PCI: Bus %d Slot %d Line %d -> IRQ %d\n", bus, slot, pin, irq); - return irq; -} - -int __init pci_visws_init(void) -{ - pcibios_enable_irq = &pci_visws_enable_irq; - pcibios_disable_irq = &pci_visws_disable_irq; - - /* The VISWS supports configuration access type 1 only */ - pci_probe = (pci_probe | PCI_PROBE_CONF1) & - ~(PCI_PROBE_BIOS | PCI_PROBE_CONF2); - - pci_bus0 = li_pcib_read16(LI_PCI_BUSNUM) & 0xff; - pci_bus1 = li_pcia_read16(LI_PCI_BUSNUM) & 0xff; - - printk(KERN_INFO "PCI: Lithium bridge A bus: %u, " - "bridge B (PIIX4) bus: %u\n", pci_bus1, pci_bus0); - - raw_pci_ops = &pci_direct_conf1; - pcibios_scan_root(pci_bus0); - pcibios_scan_root(pci_bus1); - pci_fixup_irqs(pci_common_swizzle, visws_map_irq); - pcibios_resource_survey(); - /* Request bus scan */ - return 1; -} |