[MIPS] TX3927: Try to glue the PCI code.

    
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 43 insertions, 71 deletions

diff --git a/arch/mips/pci/ops-tx3927.c b/arch/mips/pci/ops-tx3927.c
index 0e0daadc303d..42530a0b84b3 100644
--- a/arch/mips/pci/ops-tx3927.c
+++ b/arch/mips/pci/ops-tx3927.c
@@ -72,13 +72,9 @@ static inline int check_abort(void)
 static int jmr3927_pci_read_config(struct pci_bus *bus, unsigned int devfn,
         int where, int size, u32 * val)
 {
-        int ret, busno;
+        int ret;
 
-        /* check if the bus is top-level */
-        if (bus->parent != NULL)
-                busno = bus->number;
-
-        ret = mkaddr(busno, devfn, where);
+        ret = mkaddr(bus->number, devfn, where);
         if (ret)
                 return ret;
 
@@ -102,15 +98,9 @@ static int jmr3927_pci_read_config(struct pci_bus *bus, unsigned int devfn,
 static int jmr3927_pci_write_config(struct pci_bus *bus, unsigned int devfn,
         int where, int size, u32 val)
 {
-        int ret, busno;
-
-        /* check if the bus is top-level */
-        if (bus->parent != NULL)
-                bus = bus->number;
-        else
-                bus = 0;
+        int ret;
 
-        ret = mkaddr(busno, devfn, where);
+        ret = mkaddr(bus->number, devfn, where);
         if (ret)
                 return ret;
 
@@ -120,7 +110,7 @@ static int jmr3927_pci_write_config(struct pci_bus *bus, unsigned int devfn,
                 break;
 
         case 2:
-                *(volatile u16 *) (unsigned longulong) & tx3927_pcicptr->icd | (where & 2)) =
+                *(volatile u16 *) ((unsigned long) & tx3927_pcicptr->icd | (where & 2)) =
             cpu_to_le16(val);
                 break;
 
@@ -137,8 +127,8 @@ static int jmr3927_pci_write_config(struct pci_bus *bus, unsigned int devfn,
 }
 
 struct pci_ops jmr3927_pci_ops = {
-        jmr3927_pcibios_read_config,
-        jmr3927_pcibios_write_config,
+        jmr3927_pci_read_config,
+        jmr3927_pci_write_config,
 };
 
 
@@ -159,15 +149,14 @@ unsigned long tc_readl(volatile __u32 * addr)
 {
         unsigned long val;
 
-        addr = PHYSADDR(addr);
-        *(volatile u32 *) (ulong) & tx3927_pcicptr->ipciaddr =
-            (unsigned long) addr;
-        *(volatile u32 *) (ulong) & tx3927_pcicptr->ipcibe =
+        *(volatile u32 *) (unsigned long) & tx3927_pcicptr->ipciaddr =
+            (unsigned long) CPHYSADDR(addr);
+        *(volatile u32 *) (unsigned long) & tx3927_pcicptr->ipcibe =
             (PCI_IPCIBE_ICMD_MEMREAD << PCI_IPCIBE_ICMD_SHIFT) |
             PCI_IPCIBE_IBE_LONG;
         while (!(tx3927_pcicptr->istat & PCI_ISTAT_IDICC));
         val =
-            le32_to_cpu(*(volatile u32 *) (ulong) & tx3927_pcicptr->
+            le32_to_cpu(*(volatile u32 *) (unsigned long) & tx3927_pcicptr->
                         ipcidata);
         /* clear by setting */
         tx3927_pcicptr->istat |= PCI_ISTAT_IDICC;
@@ -176,12 +165,11 @@ unsigned long tc_readl(volatile __u32 * addr)
 
 void tc_writel(unsigned long data, volatile __u32 * addr)
 {
-        addr = PHYSADDR(addr);
-        *(volatile u32 *) (ulong) & tx3927_pcicptr->ipcidata =
+        *(volatile u32 *) (unsigned long) & tx3927_pcicptr->ipcidata =
             cpu_to_le32(data);
-        *(volatile u32 *) (ulong) & tx3927_pcicptr->ipciaddr =
-            (unsigned long) addr;
-        *(volatile u32 *) (ulong) & tx3927_pcicptr->ipcibe =
+        *(volatile u32 *) (unsigned long) & tx3927_pcicptr->ipciaddr =
+            (unsigned long) CPHYSADDR(addr);
+        *(volatile u32 *) (unsigned long) & tx3927_pcicptr->ipcibe =
             (PCI_IPCIBE_ICMD_MEMWRITE << PCI_IPCIBE_ICMD_SHIFT) |
             PCI_IPCIBE_IBE_LONG;
         while (!(tx3927_pcicptr->istat & PCI_ISTAT_IDICC));
@@ -198,21 +186,15 @@ unsigned char tx_ioinb(unsigned char *addr)
 
         ioaddr = (unsigned long) addr;
         offset = ioaddr & 0x3;
-        if (offset == 0)
-                byte = 0x7;
-        else if (offset == 1)
-                byte = 0xb;
-        else if (offset == 2)
-                byte = 0xd;
-        else if (offset == 3)
-                byte = 0xe;
-        *(volatile u32 *) (ulong) & tx3927_pcicptr->ipciaddr =
+        byte = 0xf & ~(8 >> offset);
+
+        *(volatile u32 *) (unsigned long) & tx3927_pcicptr->ipciaddr =
             (unsigned long) ioaddr;
-        *(volatile u32 *) (ulong) & tx3927_pcicptr->ipcibe =
+        *(volatile u32 *) (unsigned long) & tx3927_pcicptr->ipcibe =
             (PCI_IPCIBE_ICMD_IOREAD << PCI_IPCIBE_ICMD_SHIFT) | byte;
         while (!(tx3927_pcicptr->istat & PCI_ISTAT_IDICC));
         val =
-            le32_to_cpu(*(volatile u32 *) (ulong) & tx3927_pcicptr->
+            le32_to_cpu(*(volatile u32 *) (unsigned long) & tx3927_pcicptr->
                         ipcidata);
         val = val & 0xff;
         /* clear by setting */
@@ -229,18 +211,12 @@ void tx_iooutb(unsigned long data, unsigned char *addr)
         data = data | (data << 8) | (data << 16) | (data << 24);
         ioaddr = (unsigned long) addr;
         offset = ioaddr & 0x3;
-        if (offset == 0)
-                byte = 0x7;
-        else if (offset == 1)
-                byte = 0xb;
-        else if (offset == 2)
-                byte = 0xd;
-        else if (offset == 3)
-                byte = 0xe;
-        *(volatile u32 *) (ulong) & tx3927_pcicptr->ipcidata = data;
-        *(volatile u32 *) (ulong) & tx3927_pcicptr->ipciaddr =
+        byte = 0xf & ~(8 >> offset);
+
+        *(volatile u32 *) (unsigned long) & tx3927_pcicptr->ipcidata = data;
+        *(volatile u32 *) (unsigned long) & tx3927_pcicptr->ipciaddr =
             (unsigned long) ioaddr;
-        *(volatile u32 *) (ulong) & tx3927_pcicptr->ipcibe =
+        *(volatile u32 *) (unsigned long) & tx3927_pcicptr->ipcibe =
             (PCI_IPCIBE_ICMD_IOWRITE << PCI_IPCIBE_ICMD_SHIFT) | byte;
         while (!(tx3927_pcicptr->istat & PCI_ISTAT_IDICC));
         /* clear by setting */
@@ -255,18 +231,16 @@ unsigned short tx_ioinw(unsigned short *addr)
         int byte;
 
         ioaddr = (unsigned long) addr;
-        offset = ioaddr & 0x3;
-        if (offset == 0)
-                byte = 0x3;
-        else if (offset == 2)
-                byte = 0xc;
-        *(volatile u32 *) (ulong) & tx3927_pcicptr->ipciaddr =
+        offset = ioaddr & 0x2;
+        byte = 3 << offset;
+
+        *(volatile u32 *) (unsigned long) & tx3927_pcicptr->ipciaddr =
             (unsigned long) ioaddr;
-        *(volatile u32 *) (ulong) & tx3927_pcicptr->ipcibe =
+        *(volatile u32 *) (unsigned long) & tx3927_pcicptr->ipcibe =
             (PCI_IPCIBE_ICMD_IOREAD << PCI_IPCIBE_ICMD_SHIFT) | byte;
         while (!(tx3927_pcicptr->istat & PCI_ISTAT_IDICC));
         val =
-            le32_to_cpu(*(volatile u32 *) (ulong) & tx3927_pcicptr->
+            le32_to_cpu(*(volatile u32 *) (unsigned long) & tx3927_pcicptr->
                         ipcidata);
         val = val & 0xffff;
         /* clear by setting */
@@ -283,15 +257,13 @@ void tx_iooutw(unsigned long data, unsigned short *addr)
 
         data = data | (data << 16);
         ioaddr = (unsigned long) addr;
-        offset = ioaddr & 0x3;
-        if (offset == 0)
-                byte = 0x3;
-        else if (offset == 2)
-                byte = 0xc;
-        *(volatile u32 *) (ulong) & tx3927_pcicptr->ipcidata = data;
-        *(volatile u32 *) (ulong) & tx3927_pcicptr->ipciaddr =
+        offset = ioaddr & 0x2;
+        byte = 3 << offset;
+
+        *(volatile u32 *) (unsigned long) & tx3927_pcicptr->ipcidata = data;
+        *(volatile u32 *) (unsigned long) & tx3927_pcicptr->ipciaddr =
             (unsigned long) ioaddr;
-        *(volatile u32 *) (ulong) & tx3927_pcicptr->ipcibe =
+        *(volatile u32 *) (unsigned long) & tx3927_pcicptr->ipcibe =
             (PCI_IPCIBE_ICMD_IOWRITE << PCI_IPCIBE_ICMD_SHIFT) | byte;
         while (!(tx3927_pcicptr->istat & PCI_ISTAT_IDICC));
         /* clear by setting */
@@ -304,14 +276,14 @@ unsigned long tx_ioinl(unsigned int *addr)
         __u32 ioaddr;
 
         ioaddr = (unsigned long) addr;
-        *(volatile u32 *) (ulong) & tx3927_pcicptr->ipciaddr =
+        *(volatile u32 *) (unsigned long) & tx3927_pcicptr->ipciaddr =
             (unsigned long) ioaddr;
-        *(volatile u32 *) (ulong) & tx3927_pcicptr->ipcibe =
+        *(volatile u32 *) (unsigned long) & tx3927_pcicptr->ipcibe =
             (PCI_IPCIBE_ICMD_IOREAD << PCI_IPCIBE_ICMD_SHIFT) |
             PCI_IPCIBE_IBE_LONG;
         while (!(tx3927_pcicptr->istat & PCI_ISTAT_IDICC));
         val =
-            le32_to_cpu(*(volatile u32 *) (ulong) & tx3927_pcicptr->
+            le32_to_cpu(*(volatile u32 *) (unsigned long) & tx3927_pcicptr->
                         ipcidata);
         /* clear by setting */
         tx3927_pcicptr->istat |= PCI_ISTAT_IDICC;
@@ -323,11 +295,11 @@ void tx_iooutl(unsigned long data, unsigned int *addr)
         __u32 ioaddr;
 
         ioaddr = (unsigned long) addr;
-        *(volatile u32 *) (ulong) & tx3927_pcicptr->ipcidata =
+        *(volatile u32 *) (unsigned long) & tx3927_pcicptr->ipcidata =
             cpu_to_le32(data);
-        *(volatile u32 *) (ulong) & tx3927_pcicptr->ipciaddr =
+        *(volatile u32 *) (unsigned long) & tx3927_pcicptr->ipciaddr =
             (unsigned long) ioaddr;
-        *(volatile u32 *) (ulong) & tx3927_pcicptr->ipcibe =
+        *(volatile u32 *) (unsigned long) & tx3927_pcicptr->ipcibe =
             (PCI_IPCIBE_ICMD_IOWRITE << PCI_IPCIBE_ICMD_SHIFT) |
             PCI_IPCIBE_IBE_LONG;
         while (!(tx3927_pcicptr->istat & PCI_ISTAT_IDICC));