PSYCHO_CONFIG_ENCODE(bus, devfn, where));
}
-static int psycho_out_of_range(struct pci_pbm_info *pbm,
- unsigned char bus,
- unsigned char devfn)
-{
- return ((bus == pbm->pci_first_busno) &&
- PCI_SLOT(devfn) > 8);
-}
-
-/* PSYCHO PCI configuration space accessors. */
-
-static int psycho_read_pci_cfg(struct pci_bus *bus_dev, unsigned int devfn,
- int where, int size, u32 *value)
-{
- struct pci_pbm_info *pbm = bus_dev->sysdata;
- unsigned char bus = bus_dev->number;
- u32 *addr;
- u16 tmp16;
- u8 tmp8;
-
- if (bus_dev == pbm->pci_bus && devfn == 0x00)
- return pci_host_bridge_read_pci_cfg(bus_dev, devfn, where,
- size, value);
-
- switch (size) {
- case 1:
- *value = 0xff;
- break;
- case 2:
- *value = 0xffff;
- break;
- case 4:
- *value = 0xffffffff;
- break;
- }
-
- addr = psycho_pci_config_mkaddr(pbm, bus, devfn, where);
- if (!addr)
- return PCIBIOS_SUCCESSFUL;
-
- if (psycho_out_of_range(pbm, bus, devfn))
- return PCIBIOS_SUCCESSFUL;
- switch (size) {
- case 1:
- pci_config_read8((u8 *)addr, &tmp8);
- *value = (u32) tmp8;
- break;
-
- case 2:
- if (where & 0x01) {
- printk("pci_read_config_word: misaligned reg [%x]\n",
- where);
- return PCIBIOS_SUCCESSFUL;
- }
- pci_config_read16((u16 *)addr, &tmp16);
- *value = (u32) tmp16;
- break;
-
- case 4:
- if (where & 0x03) {
- printk("pci_read_config_dword: misaligned reg [%x]\n",
- where);
- return PCIBIOS_SUCCESSFUL;
- }
- pci_config_read32(addr, value);
- break;
- }
- return PCIBIOS_SUCCESSFUL;
-}
-
-static int psycho_write_pci_cfg(struct pci_bus *bus_dev, unsigned int devfn,
- int where, int size, u32 value)
-{
- struct pci_pbm_info *pbm = bus_dev->sysdata;
- unsigned char bus = bus_dev->number;
- u32 *addr;
-
- if (bus_dev == pbm->pci_bus && devfn == 0x00)
- return pci_host_bridge_write_pci_cfg(bus_dev, devfn, where,
- size, value);
- addr = psycho_pci_config_mkaddr(pbm, bus, devfn, where);
- if (!addr)
- return PCIBIOS_SUCCESSFUL;
-
- if (psycho_out_of_range(pbm, bus, devfn))
- return PCIBIOS_SUCCESSFUL;
-
- switch (size) {
- case 1:
- pci_config_write8((u8 *)addr, value);
- break;
-
- case 2:
- if (where & 0x01) {
- printk("pci_write_config_word: misaligned reg [%x]\n",
- where);
- return PCIBIOS_SUCCESSFUL;
- }
- pci_config_write16((u16 *)addr, value);
- break;
-
- case 4:
- if (where & 0x03) {
- printk("pci_write_config_dword: misaligned reg [%x]\n",
- where);
- return PCIBIOS_SUCCESSFUL;
- }
- pci_config_write32(addr, value);
- }
- return PCIBIOS_SUCCESSFUL;
-}
-
-static struct pci_ops psycho_ops = {
- .read = psycho_read_pci_cfg,
- .write = psycho_write_pci_cfg,
-};
-
/* PSYCHO error handling support. */
enum psycho_error_type {
UE_ERR, CE_ERR, PCI_ERR
psycho_register_error_handlers(pbm);
}
-static void psycho_iommu_init(struct pci_pbm_info *pbm)
+static int psycho_iommu_init(struct pci_pbm_info *pbm)
{
struct iommu *iommu = pbm->iommu;
unsigned long i;
u64 control;
+ int err;
/* Register addresses. */
iommu->iommu_control = pbm->controller_regs + PSYCHO_IOMMU_CONTROL;
iommu->iommu_tsbbase = pbm->controller_regs + PSYCHO_IOMMU_TSBBASE;
iommu->iommu_flush = pbm->controller_regs + PSYCHO_IOMMU_FLUSH;
+ iommu->iommu_tags = iommu->iommu_flush + (0xa580UL - 0x0210UL);
+
/* PSYCHO's IOMMU lacks ctx flushing. */
iommu->iommu_ctxflush = 0;
/* Leave diag mode enabled for full-flushing done
* in pci_iommu.c
*/
- pci_iommu_table_init(iommu, IO_TSB_SIZE, 0xc0000000, 0xffffffff);
+ err = iommu_table_init(iommu, IO_TSB_SIZE, 0xc0000000, 0xffffffff);
+ if (err)
+ return err;
psycho_write(pbm->controller_regs + PSYCHO_IOMMU_TSBBASE,
__pa(iommu->page_table));
/* If necessary, hook us up for starfire IRQ translations. */
if (this_is_starfire)
starfire_hookup(pbm->portid);
+
+ return 0;
}
#define PSYCHO_IRQ_RETRY 0x1a00UL
pci_pbm_root = pbm;
pbm->scan_bus = psycho_scan_bus;
- pbm->pci_ops = &psycho_ops;
+ pbm->pci_ops = &sun4u_pci_ops;
+ pbm->config_space_reg_bits = 8;
pbm->index = pci_num_pbms++;
}
p = kzalloc(sizeof(struct pci_controller_info), GFP_ATOMIC);
- if (!p) {
- prom_printf("PSYCHO: Fatal memory allocation error.\n");
- prom_halt();
- }
+ if (!p)
+ goto fatal_memory_error;
iommu = kzalloc(sizeof(struct iommu), GFP_ATOMIC);
- if (!iommu) {
- prom_printf("PSYCHO: Fatal memory allocation error.\n");
- prom_halt();
- }
+ if (!iommu)
+ goto fatal_memory_error;
+
p->pbm_A.iommu = p->pbm_B.iommu = iommu;
p->pbm_A.portid = upa_portid;
psycho_controller_hwinit(&p->pbm_A);
- psycho_iommu_init(&p->pbm_A);
+ if (psycho_iommu_init(&p->pbm_A))
+ goto fatal_memory_error;
is_pbm_a = ((pr_regs[0].phys_addr & 0x6000) == 0x2000);
psycho_pbm_init(p, dp, is_pbm_a);
+ return;
+
+fatal_memory_error:
+ prom_printf("PSYCHO: Fatal memory allocation error.\n");
+ prom_halt();
}