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[MIPS] TX3927: Try to glue the PCI code.
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Ralf Baechle committed Nov 17, 2005
1 parent 561a079 commit 09b696e
Showing 1 changed file with 43 additions and 71 deletions.
114 changes: 43 additions & 71 deletions arch/mips/pci/ops-tx3927.c
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Original file line number Diff line number Diff line change
Expand Up @@ -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;

Expand All @@ -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;

Expand All @@ -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;

Expand All @@ -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,
};


Expand All @@ -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;
Expand All @@ -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));
Expand All @@ -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 */
Expand All @@ -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 */
Expand All @@ -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 */
Expand All @@ -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 */
Expand All @@ -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;
Expand All @@ -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));
Expand Down

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