static int celleb_fake_pci_read_config(struct pci_bus *bus,
unsigned int devfn, int where, int size, u32 *val)
{
char *config;
struct device_node *node;
struct pci_controller *hose;
unsigned int devno = devfn >> 3;
unsigned int fn = devfn & 0x7;
/* allignment check */
BUG_ON(where % size);
pr_debug(" fake read: bus=0x%x, ", bus->number);
node = (struct device_node *)bus->sysdata;
hose = pci_find_hose_for_OF_device(node);
config = get_fake_config_start(hose, devno, fn);
pr_debug("devno=0x%x, where=0x%x, size=0x%x, ", devno, where, size);
if (!config) {
pr_debug("failed\n");
return PCIBIOS_DEVICE_NOT_FOUND;
}
celleb_config_read_fake(config, where, size, val);
pr_debug("val=0x%x\n", *val);
return PCIBIOS_SUCCESSFUL;
}
static int celleb_fake_pci_write_config(struct pci_bus *bus,
unsigned int devfn, int where, int size, u32 val)
{
char *config;
struct device_node *node;
struct pci_controller *hose;
struct celleb_pci_resource *res;
unsigned int devno = devfn >> 3;
unsigned int fn = devfn & 0x7;
/* allignment check */
BUG_ON(where % size);
node = (struct device_node *)bus->sysdata;
hose = pci_find_hose_for_OF_device(node);
config = get_fake_config_start(hose, devno, fn);
if (!config)
return PCIBIOS_DEVICE_NOT_FOUND;
if (val == ~0) {
int i = (where - PCI_BASE_ADDRESS_0) >> 3;
switch (where) {
case PCI_BASE_ADDRESS_0:
case PCI_BASE_ADDRESS_2:
if (size != 4)
return PCIBIOS_DEVICE_NOT_FOUND;
res = get_resource_start(hose, devno, fn);
if (!res)
return PCIBIOS_DEVICE_NOT_FOUND;
celleb_config_write_fake(config, where, size,
(res->r[i].end - res->r[i].start));
return PCIBIOS_SUCCESSFUL;
case PCI_BASE_ADDRESS_1:
case PCI_BASE_ADDRESS_3:
case PCI_BASE_ADDRESS_4:
case PCI_BASE_ADDRESS_5:
break;
default:
break;
}
}
static void __init fixup_port_pio(int index,
struct device_node *np,
struct plat_serial8250_port *port)
{
#ifdef CONFIG_PCI
struct pci_controller *hose;
DBG("fixup_port_pio(%d)\n", index);
hose = pci_find_hose_for_OF_device(np);
if (hose) {
unsigned long offset = (unsigned long)hose->io_base_virt -
#ifdef CONFIG_PPC64
pci_io_base;
#else
isa_io_base;
#endif
DBG("port %d, IO %lx -> %lx\n",
index, port->iobase, port->iobase + offset);
port->iobase += offset;
}
#endif
}
