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Commit 3f03b7d9 authored by Greg Ungerer's avatar Greg Ungerer Committed by Linus Torvalds
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[PATCH] remove obsolete code from comempci.c

parent d50f4996
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arch/m68knommu/kernel/comempci.c
View file @ 3f03b7d9
...@@ -338,254 +338,6 @@ unsigned long pcibios_fixup(unsigned long mem_start, unsigned long mem_end) ...@@ -338,254 +338,6 @@ unsigned long pcibios_fixup(unsigned long mem_start, unsigned long mem_end)
/*****************************************************************************/ /*****************************************************************************/
int pcibios_present(void)
{
return(pci_bus_is_present);
}
/*****************************************************************************/
int pcibios_read_config_dword(unsigned char bus, unsigned char dev,
unsigned char offset, unsigned int *val)
{
volatile unsigned long *rp;
unsigned long idsel, fnsel;
#ifdef DEBUGPCI
printk("pcibios_read_config_dword(bus=%x,dev=%x,offset=%x,val=%x)\n",
bus, dev, offset, val);
#endif
if (bus || ((pci_slotmask & (0x1 << PCI_SLOT(dev))) == 0)) {
*val = 0xffffffff;
return(PCIBIOS_SUCCESSFUL);
}
rp = (volatile unsigned long *) COMEM_BASE;
idsel = COMEM_DA_CFGRD | COMEM_DA_ADDR(0x1 << ((dev >> 3) + 16));
fnsel = (dev & 0x7) << 8;
rp[LREG(COMEM_DAHBASE)] = idsel;
*val = rp[LREG(COMEM_PCIBUS + (offset & 0xfc) + fnsel)];
#if 1
/* If we get back what we wrote, then nothing there */
/* This is pretty dodgy, but, hey, what else do we do?? */
if (!offset && (*val == ((idsel & 0xfffff000) | (offset & 0x00000fff))))
*val = 0xffffffff;
#endif
return(PCIBIOS_SUCCESSFUL);
}
/*****************************************************************************/
int pcibios_read_config_word(unsigned char bus, unsigned char dev,
unsigned char offset, unsigned short *val)
{
volatile unsigned long *rp;
volatile unsigned short *bp;
unsigned long idsel, fnsel;
unsigned char swapoffset;
#ifdef DEBUGPCI
printk("pcibios_read_config_word(bus=%x,dev=%x,offset=%x)\n",
bus, dev, offset);
#endif
if (bus || ((pci_slotmask & (0x1 << PCI_SLOT(dev))) == 0)) {
*val = 0xffff;
return(PCIBIOS_SUCCESSFUL);
}
rp = (volatile unsigned long *) COMEM_BASE;
bp = (volatile unsigned short *) COMEM_BASE;
idsel = COMEM_DA_CFGRD | COMEM_DA_ADDR(0x1 << ((dev >> 3) + 16));
fnsel = (dev & 0x7) << 8;
swapoffset = (offset & 0xfc) + (~offset & 0x02);
rp[LREG(COMEM_DAHBASE)] = idsel;
*val = bp[WREG(COMEM_PCIBUS + swapoffset + fnsel)];
return(PCIBIOS_SUCCESSFUL);
}
/*****************************************************************************/
int pcibios_read_config_byte(unsigned char bus, unsigned char dev,
unsigned char offset, unsigned char *val)
{
volatile unsigned long *rp;
volatile unsigned char *bp;
unsigned long idsel, fnsel;
unsigned char swapoffset;
#ifdef DEBUGPCI
printk("pcibios_read_config_byte(bus=%x,dev=%x,offset=%x)\n",
bus, dev, offset);
#endif
if (bus || ((pci_slotmask & (0x1 << PCI_SLOT(dev))) == 0)) {
*val = 0xff;
return(PCIBIOS_SUCCESSFUL);
}
rp = (volatile unsigned long *) COMEM_BASE;
bp = (volatile unsigned char *) COMEM_BASE;
idsel = COMEM_DA_CFGRD | COMEM_DA_ADDR(0x1 << ((dev >> 3) + 16));
fnsel = (dev & 0x7) << 8;
swapoffset = (offset & 0xfc) + (~offset & 0x03);
rp[LREG(COMEM_DAHBASE)] = idsel;
*val = bp[(COMEM_PCIBUS + swapoffset + fnsel)];
return(PCIBIOS_SUCCESSFUL);
}
/*****************************************************************************/
int pcibios_write_config_dword(unsigned char bus, unsigned char dev,
unsigned char offset, unsigned int val)
{
volatile unsigned long *rp;
unsigned long idsel, fnsel;
#ifdef DEBUGPCI
printk("pcibios_write_config_dword(bus=%x,dev=%x,offset=%x,val=%x)\n",
bus, dev, offset, val);
#endif
if (bus || ((pci_slotmask & (0x1 << PCI_SLOT(dev))) == 0))
return(PCIBIOS_SUCCESSFUL);
rp = (volatile unsigned long *) COMEM_BASE;
idsel = COMEM_DA_CFGRD | COMEM_DA_ADDR(0x1 << ((dev >> 3) + 16));
fnsel = (dev & 0x7) << 8;
rp[LREG(COMEM_DAHBASE)] = idsel;
rp[LREG(COMEM_PCIBUS + (offset & 0xfc) + fnsel)] = val;
return(PCIBIOS_SUCCESSFUL);
}
/*****************************************************************************/
int pcibios_write_config_word(unsigned char bus, unsigned char dev,
unsigned char offset, unsigned short val)
{
volatile unsigned long *rp;
volatile unsigned short *bp;
unsigned long idsel, fnsel;
unsigned char swapoffset;
#ifdef DEBUGPCI
printk("pcibios_write_config_word(bus=%x,dev=%x,offset=%x,val=%x)\n",
bus, dev, offset, val);
#endif
if (bus || ((pci_slotmask & (0x1 << PCI_SLOT(dev))) == 0))
return(PCIBIOS_SUCCESSFUL);
rp = (volatile unsigned long *) COMEM_BASE;
bp = (volatile unsigned short *) COMEM_BASE;
idsel = COMEM_DA_CFGRD | COMEM_DA_ADDR(0x1 << ((dev >> 3) + 16));
fnsel = (dev & 0x7) << 8;
swapoffset = (offset & 0xfc) + (~offset & 0x02);
rp[LREG(COMEM_DAHBASE)] = idsel;
bp[WREG(COMEM_PCIBUS + swapoffset + fnsel)] = val;
return(PCIBIOS_SUCCESSFUL);
}
/*****************************************************************************/
int pcibios_write_config_byte(unsigned char bus, unsigned char dev,
unsigned char offset, unsigned char val)
{
volatile unsigned long *rp;
volatile unsigned char *bp;
unsigned long idsel, fnsel;
unsigned char swapoffset;
#ifdef DEBUGPCI
printk("pcibios_write_config_byte(bus=%x,dev=%x,offset=%x,val=%x)\n",
bus, dev, offset, val);
#endif
if (bus || ((pci_slotmask & (0x1 << PCI_SLOT(dev))) == 0))
return(PCIBIOS_SUCCESSFUL);
rp = (volatile unsigned long *) COMEM_BASE;
bp = (volatile unsigned char *) COMEM_BASE;
idsel = COMEM_DA_CFGRD | COMEM_DA_ADDR(0x1 << ((dev >> 3) + 16));
fnsel = (dev & 0x7) << 8;
swapoffset = (offset & 0xfc) + (~offset & 0x03);
rp[LREG(COMEM_DAHBASE)] = idsel;
bp[(COMEM_PCIBUS + swapoffset + fnsel)] = val;
return(PCIBIOS_SUCCESSFUL);
}
/*****************************************************************************/
int pcibios_find_device(unsigned short vendor, unsigned short devid,
unsigned short index, unsigned char *bus, unsigned char *dev)
{
unsigned int vendev, val;
unsigned char devnr;
#ifdef DEBUGPCI
printk("pcibios_find_device(vendor=%04x,devid=%04x,index=%d)\n",
vendor, devid, index);
#endif
if (vendor == 0xffff)
return(PCIBIOS_BAD_VENDOR_ID);
vendev = (devid << 16) | vendor;
for (devnr = 0; (devnr < 32); devnr++) {
pcibios_read_config_dword(0, devnr, PCI_VENDOR_ID, &val);
if (vendev == val) {
if (index-- == 0) {
*bus = 0;
*dev = devnr;
return(PCIBIOS_SUCCESSFUL);
}
}
}
return(PCIBIOS_DEVICE_NOT_FOUND);
}
/*****************************************************************************/
int pcibios_find_class(unsigned int class, unsigned short index,
unsigned char *bus, unsigned char *dev)
{
unsigned int val;
unsigned char devnr;
#ifdef DEBUGPCI
printk("pcibios_find_class(class=%04x,index=%d)\n", class, index);
#endif
/* FIXME: this ignores multi-function devices... */
for (devnr = 0; (devnr < 128); devnr += 8) {
pcibios_read_config_dword(0, devnr, PCI_CLASS_REVISION, &val);
if ((val >> 8) == class) {
if (index-- == 0) {
*bus = 0;
*dev = devnr;
return(PCIBIOS_SUCCESSFUL);
}
}
}
return(PCIBIOS_DEVICE_NOT_FOUND);
}
/*****************************************************************************/
/* /*
* Local routines to interrcept the standard I/O and vector handling * Local routines to interrcept the standard I/O and vector handling
* code. Don't include this 'till now - initialization code above needs * code. Don't include this 'till now - initialization code above needs
......
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