static volatile struct bpp_regs *map_bpp(struct linux_sbus_device *dev, int idx)
{
volatile struct bpp_regs *regs;
/*
* PROM reports different numbers on Zebra and on DMA2.
* We need to figure out when to apply parent ranges.
* printk will show this on different machines.
*/
/* IPC Zebra 1.fa200000[1c] i=2 */
prom_apply_sbus_ranges(dev->my_bus, &dev->reg_addrs[0],
dev->num_registers, dev);
regs = sparc_alloc_io(dev->reg_addrs[0].phys_addr, 0,
dev->reg_addrs[0].reg_size, "bpp",
dev->reg_addrs[0].which_io, 0x0);
printk("bpp%d.map_bpp: 0x%x.%p[0x%x] i=%d\n", idx,
dev->reg_addrs[0].which_io, dev->reg_addrs[0].phys_addr,
dev->reg_addrs[0].reg_size, dev->irqs[0]);
return regs;
}
int init_vfc_device(struct linux_sbus_device *sdev,struct vfc_dev *dev,
int instance) {
if(!dev) {
printk(KERN_ERR "VFC: Bogus pointer passed\n");
return -ENOMEM;
}
printk("Initializing vfc%d\n",instance);
dev->regs=NULL;
prom_apply_sbus_ranges(sdev->my_bus, &sdev->reg_addrs[0], sdev->num_registers, sdev);
dev->regs=sparc_alloc_io(sdev->reg_addrs[0].phys_addr, 0,
sizeof(struct vfc_regs), vfcstr,
sdev->reg_addrs[0].which_io, 0x0);
dev->which_io=sdev->reg_addrs[0].which_io;
dev->phys_regs=(struct vfc_regs *)sdev->reg_addrs[0].phys_addr;
if(!dev->regs) return -EIO;
printk("vfc%d: registers mapped at phys_addr: 0x%lx\n virt_addr: 0x%lx\n",
instance,(unsigned long)sdev->reg_addrs[0].phys_addr,(unsigned long)dev->regs);
if(init_vfc_devstruct(dev,instance)) return -EINVAL;
if(init_vfc_hw(dev)) return -EIO;
return 0;
}
__initfunc(void auxio_probe(void))
{
struct linux_sbus *bus;
struct linux_sbus_device *sdev = 0;
struct linux_prom_registers auxregs[1];
for_each_sbus(bus) {
for_each_sbusdev(sdev, bus) {
if(!strcmp(sdev->prom_name, "auxio")) {
break;
}
}
}
if (!sdev) {
#ifdef CONFIG_PCI
struct linux_ebus *ebus;
struct linux_ebus_device *edev = 0;
unsigned long led_auxio;
for_each_ebus(ebus) {
for_each_ebusdev(edev, ebus) {
if (!strcmp(edev->prom_name, "auxio"))
goto ebus_done;
}
}
ebus_done:
if (edev) {
if (check_region(edev->base_address[0],
sizeof(unsigned int))) {
prom_printf("%s: Can't get region %lx, %d\n",
__FUNCTION__, edev->base_address[0],
sizeof(unsigned int));
prom_halt();
}
request_region(edev->base_address[0],
sizeof(unsigned int), "LED auxio");
led_auxio = edev->base_address[0];
outl(0x01, led_auxio);
return;
}
#endif
if(central_bus) {
auxio_register = NULL;
return;
}
prom_printf("Cannot find auxio node, cannot continue...\n");
prom_halt();
}
prom_getproperty(sdev->prom_node, "reg", (char *) auxregs, sizeof(auxregs));
prom_apply_sbus_ranges(sdev->my_bus, auxregs, 0x1, sdev);
/* Map the register both read and write */
auxio_register = (unsigned char *) sparc_alloc_io(auxregs[0].phys_addr, 0,
auxregs[0].reg_size,
"auxiliaryIO",
auxregs[0].which_io, 0x0);
TURN_ON_LED;
}
