summaryrefslogtreecommitdiff
path: root/arch/x86/pci/numaq_32.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/x86/pci/numaq_32.c')
-rw-r--r--arch/x86/pci/numaq_32.c165
1 files changed, 0 insertions, 165 deletions
diff --git a/arch/x86/pci/numaq_32.c b/arch/x86/pci/numaq_32.c
deleted file mode 100644
index 72c229f9ebcf..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 */
- pci_scan_bus_with_sysdata(QUADLOCAL2BUS(quad, busno));
- }
- if (suba < subb) {
- /* Bus B */
- pci_scan_bus_with_sysdata(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);
- pci_scan_bus_with_sysdata(QUADLOCAL2BUS(quad, 0));
- }
- return 0;
-}