x86: move NUMAQ io handling into arch/x86/pci/numa.c

numa.c is the only user of the {in,out}*_quad functions. And it has only a few call
sites. Change them to open code the magic NUMAQ port access.

Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

diff --git a/arch/x86/pci/numa.c b/arch/x86/pci/numa.c
index f5f165f69e0c602b9a7619c5d4e316e5ff1839ca..55270c26237ce7ff1f95d65eb17d8c3b81e350d8 100644 (file)
--- a/arch/x86/pci/numa.c
+++ b/arch/x86/pci/numa.c
@@ -5,36 +5,62 @@
 #include <linux/pci.h>
 #include <linux/init.h>
 #include <linux/nodemask.h>
+#include <mach_apic.h>
 #include "pci.h"
 
+#define XQUAD_PORTIO_BASE 0xfe400000
+#define XQUAD_PORTIO_QUAD 0x40000  /* 256k per quad. */
+
 #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])
 
+extern void *xquad_portio;    /* Where the IO area was mapped */
+#define XQUAD_PORT_ADDR(port, quad) (xquad_portio + (XQUAD_PORTIO_QUAD*quad) + port)
+
 #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));
 
        if (!value || (bus >= MAX_MP_BUSSES) || (devfn > 255) || (reg > 255))
                return -EINVAL;
 
        spin_lock_irqsave(&pci_config_lock, flags);
 
-       outl_quad(PCI_CONF1_MQ_ADDRESS(bus, devfn, reg), 0xCF8, BUS2QUAD(bus));
+       write_cf8(bus, devfn, reg);
 
        switch (len) {
        case 1:
-               *value = inb_quad(0xCFC + (reg & 3), BUS2QUAD(bus));
+               if (xquad_portio)
+                       *value = readb(adr + (reg & 3));
+               else
+                       *value = inb(0xCFC + (reg & 3));
                break;
        case 2:
-               *value = inw_quad(0xCFC + (reg & 2), BUS2QUAD(bus));
+               if (xquad_portio)
+                       *value = readw(adr + (reg & 2));
+               else
+                       *value = inw(0xCFC + (reg & 2));
                break;
        case 4:
-               *value = inl_quad(0xCFC, BUS2QUAD(bus));
+               if (xquad_portio)
+                       *value = readl(adr);
+               else
+                       *value = inl(0xCFC);
                break;
        }
 
@@ -47,23 +73,33 @@ 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));
 
        if ((bus >= MAX_MP_BUSSES) || (devfn > 255) || (reg > 255)) 
                return -EINVAL;
 
        spin_lock_irqsave(&pci_config_lock, flags);
 
-       outl_quad(PCI_CONF1_MQ_ADDRESS(bus, devfn, reg), 0xCF8, BUS2QUAD(bus));
+       write_cf8(bus, devfn, reg);
 
        switch (len) {
        case 1:
-               outb_quad((u8)value, 0xCFC + (reg & 3), BUS2QUAD(bus));
+               if (xquad_portio)
+                       writeb(value, adr + (reg & 3));
+               else
+                       outb((u8)value, 0xCFC + (reg & 3));
                break;
        case 2:
-               outw_quad((u16)value, 0xCFC + (reg & 2), BUS2QUAD(bus));
+               if (xquad_portio)
+                       writew(value, adr + (reg & 2));
+               else
+                       outw((u16)value, 0xCFC + (reg & 2));
                break;
        case 4:
-               outl_quad((u32)value, 0xCFC, BUS2QUAD(bus));
+               if (xquad_portio)
+                       writel(value, adr + reg);
+               else
+                       outl((u32)value, 0xCFC);
                break;
        }
 

diff --git a/include/asm-x86/mach-numaq/mach_apic.h b/include/asm-x86/mach-numaq/mach_apic.h
index 17e183bd39c1395d044489f58f17a09bbefe0e89..3b637fac890b8da769ab398cbe02d6dfe1a54d55 100644 (file)
--- a/include/asm-x86/mach-numaq/mach_apic.h
+++ b/include/asm-x86/mach-numaq/mach_apic.h
@@ -109,6 +109,8 @@ static inline int mpc_apic_id(struct mpc_config_processor *m,
        return logical_apicid;
 }
 
+extern void *xquad_portio;
+
 static inline void setup_portio_remap(void)
 {
        int num_quads = num_online_nodes();