diff options
Diffstat (limited to 'arch')
-rw-r--r-- | arch/sparc64/kernel/pci_schizo.c | 110 |
1 files changed, 31 insertions, 79 deletions
diff --git a/arch/sparc64/kernel/pci_schizo.c b/arch/sparc64/kernel/pci_schizo.c index 48dea52ac522..332cfd9736b7 100644 --- a/arch/sparc64/kernel/pci_schizo.c +++ b/arch/sparc64/kernel/pci_schizo.c | |||
@@ -1229,21 +1229,8 @@ static void pbm_config_busmastering(struct pci_pbm_info *pbm) | |||
1229 | pci_config_write8(addr, 64); | 1229 | pci_config_write8(addr, 64); |
1230 | } | 1230 | } |
1231 | 1231 | ||
1232 | static void pbm_scan_bus(struct pci_controller_info *p, | 1232 | static void schizo_scan_bus(struct pci_controller_info *p) |
1233 | struct pci_pbm_info *pbm) | ||
1234 | { | ||
1235 | pbm->pci_bus = pci_scan_one_pbm(pbm); | ||
1236 | } | ||
1237 | |||
1238 | static void __schizo_scan_bus(struct pci_controller_info *p, | ||
1239 | int chip_type) | ||
1240 | { | 1233 | { |
1241 | if (!p->pbm_B.prom_node || !p->pbm_A.prom_node) { | ||
1242 | printk("PCI: Only one PCI bus module of controller found.\n"); | ||
1243 | printk("PCI: Ignoring entire controller.\n"); | ||
1244 | return; | ||
1245 | } | ||
1246 | |||
1247 | pbm_config_busmastering(&p->pbm_B); | 1234 | pbm_config_busmastering(&p->pbm_B); |
1248 | p->pbm_B.is_66mhz_capable = | 1235 | p->pbm_B.is_66mhz_capable = |
1249 | (of_find_property(p->pbm_B.prom_node, "66mhz-capable", NULL) | 1236 | (of_find_property(p->pbm_B.prom_node, "66mhz-capable", NULL) |
@@ -1252,28 +1239,19 @@ static void __schizo_scan_bus(struct pci_controller_info *p, | |||
1252 | p->pbm_A.is_66mhz_capable = | 1239 | p->pbm_A.is_66mhz_capable = |
1253 | (of_find_property(p->pbm_A.prom_node, "66mhz-capable", NULL) | 1240 | (of_find_property(p->pbm_A.prom_node, "66mhz-capable", NULL) |
1254 | != NULL); | 1241 | != NULL); |
1255 | pbm_scan_bus(p, &p->pbm_B); | 1242 | |
1256 | pbm_scan_bus(p, &p->pbm_A); | 1243 | p->pbm_B.pci_bus = pci_scan_one_pbm(&p->pbm_B); |
1244 | p->pbm_A.pci_bus = pci_scan_one_pbm(&p->pbm_A); | ||
1257 | 1245 | ||
1258 | /* After the PCI bus scan is complete, we can register | 1246 | /* After the PCI bus scan is complete, we can register |
1259 | * the error interrupt handlers. | 1247 | * the error interrupt handlers. |
1260 | */ | 1248 | */ |
1261 | if (chip_type == PBM_CHIP_TYPE_TOMATILLO) | 1249 | if (p->pbm_B.chip_type == PBM_CHIP_TYPE_TOMATILLO) |
1262 | tomatillo_register_error_handlers(p); | 1250 | tomatillo_register_error_handlers(p); |
1263 | else | 1251 | else |
1264 | schizo_register_error_handlers(p); | 1252 | schizo_register_error_handlers(p); |
1265 | } | 1253 | } |
1266 | 1254 | ||
1267 | static void schizo_scan_bus(struct pci_controller_info *p) | ||
1268 | { | ||
1269 | __schizo_scan_bus(p, PBM_CHIP_TYPE_SCHIZO); | ||
1270 | } | ||
1271 | |||
1272 | static void tomatillo_scan_bus(struct pci_controller_info *p) | ||
1273 | { | ||
1274 | __schizo_scan_bus(p, PBM_CHIP_TYPE_TOMATILLO); | ||
1275 | } | ||
1276 | |||
1277 | static void schizo_base_address_update(struct pci_dev *pdev, int resource) | 1255 | static void schizo_base_address_update(struct pci_dev *pdev, int resource) |
1278 | { | 1256 | { |
1279 | struct pci_pbm_info *pbm = pdev->dev.archdata.host_controller; | 1257 | struct pci_pbm_info *pbm = pdev->dev.archdata.host_controller; |
@@ -1633,7 +1611,6 @@ static void schizo_pbm_init(struct pci_controller_info *p, | |||
1633 | int chip_type) | 1611 | int chip_type) |
1634 | { | 1612 | { |
1635 | struct linux_prom64_registers *regs; | 1613 | struct linux_prom64_registers *regs; |
1636 | struct property *prop; | ||
1637 | unsigned int *busrange; | 1614 | unsigned int *busrange; |
1638 | struct pci_pbm_info *pbm; | 1615 | struct pci_pbm_info *pbm; |
1639 | const char *chipset_name; | 1616 | const char *chipset_name; |
@@ -1667,11 +1644,9 @@ static void schizo_pbm_init(struct pci_controller_info *p, | |||
1667 | * 3) PBM PCI config space | 1644 | * 3) PBM PCI config space |
1668 | * 4) Ichip regs | 1645 | * 4) Ichip regs |
1669 | */ | 1646 | */ |
1670 | prop = of_find_property(dp, "reg", NULL); | 1647 | regs = of_get_property(dp, "reg", NULL); |
1671 | regs = prop->value; | ||
1672 | 1648 | ||
1673 | is_pbm_a = ((regs[0].phys_addr & 0x00700000) == 0x00600000); | 1649 | is_pbm_a = ((regs[0].phys_addr & 0x00700000) == 0x00600000); |
1674 | |||
1675 | if (is_pbm_a) | 1650 | if (is_pbm_a) |
1676 | pbm = &p->pbm_A; | 1651 | pbm = &p->pbm_A; |
1677 | else | 1652 | else |
@@ -1683,14 +1658,8 @@ static void schizo_pbm_init(struct pci_controller_info *p, | |||
1683 | pbm->pci_first_slot = 1; | 1658 | pbm->pci_first_slot = 1; |
1684 | 1659 | ||
1685 | pbm->chip_type = chip_type; | 1660 | pbm->chip_type = chip_type; |
1686 | pbm->chip_version = 0; | 1661 | pbm->chip_version = of_getintprop_default(dp, "version#", 0); |
1687 | prop = of_find_property(dp, "version#", NULL); | 1662 | pbm->chip_revision = of_getintprop_default(dp, "module-version#", 0); |
1688 | if (prop) | ||
1689 | pbm->chip_version = *(int *) prop->value; | ||
1690 | pbm->chip_revision = 0; | ||
1691 | prop = of_find_property(dp, "module-revision#", NULL); | ||
1692 | if (prop) | ||
1693 | pbm->chip_revision = *(int *) prop->value; | ||
1694 | 1663 | ||
1695 | pbm->pbm_regs = regs[0].phys_addr; | 1664 | pbm->pbm_regs = regs[0].phys_addr; |
1696 | pbm->controller_regs = regs[1].phys_addr - 0x10000UL; | 1665 | pbm->controller_regs = regs[1].phys_addr - 0x10000UL; |
@@ -1701,40 +1670,31 @@ static void schizo_pbm_init(struct pci_controller_info *p, | |||
1701 | pbm->name = dp->full_name; | 1670 | pbm->name = dp->full_name; |
1702 | 1671 | ||
1703 | printk("%s: %s PCI Bus Module ver[%x:%x]\n", | 1672 | printk("%s: %s PCI Bus Module ver[%x:%x]\n", |
1704 | pbm->name, | 1673 | pbm->name, chipset_name, |
1705 | (chip_type == PBM_CHIP_TYPE_TOMATILLO ? | ||
1706 | "TOMATILLO" : "SCHIZO"), | ||
1707 | pbm->chip_version, pbm->chip_revision); | 1674 | pbm->chip_version, pbm->chip_revision); |
1708 | 1675 | ||
1709 | schizo_pbm_hw_init(pbm); | 1676 | schizo_pbm_hw_init(pbm); |
1710 | 1677 | ||
1711 | prop = of_find_property(dp, "ranges", &len); | 1678 | pbm->pbm_ranges = of_get_property(dp, "ranges", &len); |
1712 | pbm->pbm_ranges = prop->value; | ||
1713 | pbm->num_pbm_ranges = | 1679 | pbm->num_pbm_ranges = |
1714 | (len / sizeof(struct linux_prom_pci_ranges)); | 1680 | (len / sizeof(struct linux_prom_pci_ranges)); |
1715 | 1681 | ||
1716 | schizo_determine_mem_io_space(pbm); | 1682 | schizo_determine_mem_io_space(pbm); |
1717 | pbm_register_toplevel_resources(p, pbm); | 1683 | pbm_register_toplevel_resources(p, pbm); |
1718 | 1684 | ||
1719 | prop = of_find_property(dp, "interrupt-map", &len); | 1685 | pbm->pbm_intmap = of_get_property(dp, "interrupt-map", &len); |
1720 | if (prop) { | 1686 | if (pbm->pbm_intmap) { |
1721 | pbm->pbm_intmap = prop->value; | ||
1722 | pbm->num_pbm_intmap = | 1687 | pbm->num_pbm_intmap = |
1723 | (len / sizeof(struct linux_prom_pci_intmap)); | 1688 | (len / sizeof(struct linux_prom_pci_intmap)); |
1724 | 1689 | pbm->pbm_intmask = | |
1725 | prop = of_find_property(dp, "interrupt-map-mask", NULL); | 1690 | of_get_property(dp, "interrupt-map-mask", NULL); |
1726 | pbm->pbm_intmask = prop->value; | ||
1727 | } else { | ||
1728 | pbm->num_pbm_intmap = 0; | ||
1729 | } | 1691 | } |
1730 | 1692 | ||
1731 | prop = of_find_property(dp, "ino-bitmap", NULL); | 1693 | ino_bitmap = of_get_property(dp, "ino-bitmap", NULL); |
1732 | ino_bitmap = prop->value; | ||
1733 | pbm->ino_bitmap = (((u64)ino_bitmap[1] << 32UL) | | 1694 | pbm->ino_bitmap = (((u64)ino_bitmap[1] << 32UL) | |
1734 | ((u64)ino_bitmap[0] << 0UL)); | 1695 | ((u64)ino_bitmap[0] << 0UL)); |
1735 | 1696 | ||
1736 | prop = of_find_property(dp, "bus-range", NULL); | 1697 | busrange = of_get_property(dp, "bus-range", NULL); |
1737 | busrange = prop->value; | ||
1738 | pbm->pci_first_busno = busrange[0]; | 1698 | pbm->pci_first_busno = busrange[0]; |
1739 | pbm->pci_last_busno = busrange[1]; | 1699 | pbm->pci_last_busno = busrange[1]; |
1740 | 1700 | ||
@@ -1756,14 +1716,9 @@ static void __schizo_init(struct device_node *dp, char *model_name, int chip_typ | |||
1756 | { | 1716 | { |
1757 | struct pci_controller_info *p; | 1717 | struct pci_controller_info *p; |
1758 | struct pci_iommu *iommu; | 1718 | struct pci_iommu *iommu; |
1759 | struct property *prop; | ||
1760 | int is_pbm_a; | ||
1761 | u32 portid; | 1719 | u32 portid; |
1762 | 1720 | ||
1763 | portid = 0xff; | 1721 | portid = of_getintprop_default(dp, "portid", 0xff); |
1764 | prop = of_find_property(dp, "portid", NULL); | ||
1765 | if (prop) | ||
1766 | portid = *(u32 *) prop->value; | ||
1767 | 1722 | ||
1768 | for (p = pci_controller_root; p; p = p->next) { | 1723 | for (p = pci_controller_root; p; p = p->next) { |
1769 | struct pci_pbm_info *pbm; | 1724 | struct pci_pbm_info *pbm; |
@@ -1776,40 +1731,32 @@ static void __schizo_init(struct device_node *dp, char *model_name, int chip_typ | |||
1776 | &p->pbm_B); | 1731 | &p->pbm_B); |
1777 | 1732 | ||
1778 | if (portid_compare(pbm->portid, portid, chip_type)) { | 1733 | if (portid_compare(pbm->portid, portid, chip_type)) { |
1779 | is_pbm_a = (p->pbm_A.prom_node == NULL); | ||
1780 | schizo_pbm_init(p, dp, portid, chip_type); | 1734 | schizo_pbm_init(p, dp, portid, chip_type); |
1781 | return; | 1735 | return; |
1782 | } | 1736 | } |
1783 | } | 1737 | } |
1784 | 1738 | ||
1785 | p = kzalloc(sizeof(struct pci_controller_info), GFP_ATOMIC); | 1739 | p = kzalloc(sizeof(struct pci_controller_info), GFP_ATOMIC); |
1786 | if (!p) { | 1740 | if (!p) |
1787 | prom_printf("SCHIZO: Fatal memory allocation error.\n"); | 1741 | goto memfail; |
1788 | prom_halt(); | ||
1789 | } | ||
1790 | 1742 | ||
1791 | iommu = kzalloc(sizeof(struct pci_iommu), GFP_ATOMIC); | 1743 | iommu = kzalloc(sizeof(struct pci_iommu), GFP_ATOMIC); |
1792 | if (!iommu) { | 1744 | if (!iommu) |
1793 | prom_printf("SCHIZO: Fatal memory allocation error.\n"); | 1745 | goto memfail; |
1794 | prom_halt(); | 1746 | |
1795 | } | ||
1796 | p->pbm_A.iommu = iommu; | 1747 | p->pbm_A.iommu = iommu; |
1797 | 1748 | ||
1798 | iommu = kzalloc(sizeof(struct pci_iommu), GFP_ATOMIC); | 1749 | iommu = kzalloc(sizeof(struct pci_iommu), GFP_ATOMIC); |
1799 | if (!iommu) { | 1750 | if (!iommu) |
1800 | prom_printf("SCHIZO: Fatal memory allocation error.\n"); | 1751 | goto memfail; |
1801 | prom_halt(); | 1752 | |
1802 | } | ||
1803 | p->pbm_B.iommu = iommu; | 1753 | p->pbm_B.iommu = iommu; |
1804 | 1754 | ||
1805 | p->next = pci_controller_root; | 1755 | p->next = pci_controller_root; |
1806 | pci_controller_root = p; | 1756 | pci_controller_root = p; |
1807 | 1757 | ||
1808 | p->index = pci_num_controllers++; | 1758 | p->index = pci_num_controllers++; |
1809 | p->pbms_same_domain = 0; | 1759 | p->scan_bus = schizo_scan_bus; |
1810 | p->scan_bus = (chip_type == PBM_CHIP_TYPE_TOMATILLO ? | ||
1811 | tomatillo_scan_bus : | ||
1812 | schizo_scan_bus); | ||
1813 | p->base_address_update = schizo_base_address_update; | 1760 | p->base_address_update = schizo_base_address_update; |
1814 | p->resource_adjust = schizo_resource_adjust; | 1761 | p->resource_adjust = schizo_resource_adjust; |
1815 | p->pci_ops = &schizo_ops; | 1762 | p->pci_ops = &schizo_ops; |
@@ -1818,6 +1765,11 @@ static void __schizo_init(struct device_node *dp, char *model_name, int chip_typ | |||
1818 | pci_memspace_mask = 0x7fffffffUL; | 1765 | pci_memspace_mask = 0x7fffffffUL; |
1819 | 1766 | ||
1820 | schizo_pbm_init(p, dp, portid, chip_type); | 1767 | schizo_pbm_init(p, dp, portid, chip_type); |
1768 | return; | ||
1769 | |||
1770 | memfail: | ||
1771 | prom_printf("SCHIZO: Fatal memory allocation error.\n"); | ||
1772 | prom_halt(); | ||
1821 | } | 1773 | } |
1822 | 1774 | ||
1823 | void schizo_init(struct device_node *dp, char *model_name) | 1775 | void schizo_init(struct device_node *dp, char *model_name) |