linux 2.6.16.38 w/ vs2.0.3-rc1
[linux-2.6.git] / arch / sparc / kernel / ebus.c
index 81c0cbd..5c3529c 100644 (file)
@@ -7,6 +7,7 @@
  * Fixes for different platforms by Pete Zaitcev.
  */
 
+#include <linux/config.h>
 #include <linux/kernel.h>
 #include <linux/types.h>
 #include <linux/init.h>
@@ -19,7 +20,6 @@
 #include <asm/ebus.h>
 #include <asm/io.h>
 #include <asm/oplib.h>
-#include <asm/prom.h>
 #include <asm/bpp.h>
 
 struct linux_ebus *ebus_chain = NULL;
@@ -83,81 +83,79 @@ int __init ebus_blacklist_irq(char *name)
        return 0;
 }
 
-void __init fill_ebus_child(struct device_node *dp,
-                           struct linux_ebus_child *dev)
+void __init fill_ebus_child(int node, struct linux_prom_registers *preg,
+                               struct linux_ebus_child *dev)
 {
-       int *regs;
-       int *irqs;
+       int regs[PROMREG_MAX];
+       int irqs[PROMREG_MAX];
+       char lbuf[128];
        int i, len;
 
-       dev->prom_node = dp;
-       regs = of_get_property(dp, "reg", &len);
-       if (!regs)
-               len = 0;
+       dev->prom_node = node;
+       prom_getstring(node, "name", lbuf, sizeof(lbuf));
+       strcpy(dev->prom_name, lbuf);
+
+       len = prom_getproperty(node, "reg", (void *)regs, sizeof(regs));
+       if (len == -1) len = 0;
        dev->num_addrs = len / sizeof(regs[0]);
 
        for (i = 0; i < dev->num_addrs; i++) {
                if (regs[i] >= dev->parent->num_addrs) {
                        prom_printf("UGH: property for %s was %d, need < %d\n",
-                                   dev->prom_node->name, len,
-                                   dev->parent->num_addrs);
+                                   dev->prom_name, len, dev->parent->num_addrs);
                        panic(__FUNCTION__);
                }
-
-               /* XXX resource */
-               dev->resource[i].start =
-                       dev->parent->resource[regs[i]].start;
+               dev->resource[i].start = dev->parent->resource[regs[i]].start; /* XXX resource */
        }
 
        for (i = 0; i < PROMINTR_MAX; i++)
                dev->irqs[i] = PCI_IRQ_NONE;
 
-       if ((dev->irqs[0] = ebus_blacklist_irq(dev->prom_node->name)) != 0) {
+       if ((dev->irqs[0] = ebus_blacklist_irq(dev->prom_name)) != 0) {
                dev->num_irqs = 1;
+       } else if ((len = prom_getproperty(node, "interrupts",
+           (char *)&irqs, sizeof(irqs))) == -1 || len == 0) {
+               dev->num_irqs = 0;
+               dev->irqs[0] = 0;
+               if (dev->parent->num_irqs != 0) {
+                       dev->num_irqs = 1;
+                       dev->irqs[0] = dev->parent->irqs[0];
+/* P3 */ /* printk("EBUS: dev %s irq %d from parent\n", dev->prom_name, dev->irqs[0]); */
+               }
        } else {
-               irqs = of_get_property(dp, "interrupts", &len);
-               if (!irqs) {
+               dev->num_irqs = len / sizeof(irqs[0]);
+               if (irqs[0] == 0 || irqs[0] >= 8) {
+                       /*
+                        * XXX Zero is a valid pin number...
+                        * This works as long as Ebus is not wired to INTA#.
+                        */
+                       printk("EBUS: %s got bad irq %d from PROM\n",
+                           dev->prom_name, irqs[0]);
                        dev->num_irqs = 0;
                        dev->irqs[0] = 0;
-                       if (dev->parent->num_irqs != 0) {
-                               dev->num_irqs = 1;
-                               dev->irqs[0] = dev->parent->irqs[0];
-                       }
                } else {
-                       dev->num_irqs = len / sizeof(irqs[0]);
-                       if (irqs[0] == 0 || irqs[0] >= 8) {
-                               /*
-                                * XXX Zero is a valid pin number...
-                                * This works as long as Ebus is not wired
-                                * to INTA#.
-                                */
-                               printk("EBUS: %s got bad irq %d from PROM\n",
-                                      dev->prom_node->name, irqs[0]);
-                               dev->num_irqs = 0;
-                               dev->irqs[0] = 0;
-                       } else {
-                               dev->irqs[0] =
-                                       pcic_pin_to_irq(irqs[0],
-                                                       dev->prom_node->name);
-                       }
+                       dev->irqs[0] = pcic_pin_to_irq(irqs[0], dev->prom_name);
                }
        }
 }
 
-void __init fill_ebus_device(struct device_node *dp, struct linux_ebus_device *dev)
+void __init fill_ebus_device(int node, struct linux_ebus_device *dev)
 {
-       struct linux_prom_registers *regs;
+       struct linux_prom_registers regs[PROMREG_MAX];
        struct linux_ebus_child *child;
-       int *irqs;
+       int irqs[PROMINTR_MAX];
+       char lbuf[128];
        int i, n, len;
        unsigned long baseaddr;
 
-       dev->prom_node = dp;
+       dev->prom_node = node;
+       prom_getstring(node, "name", lbuf, sizeof(lbuf));
+       strcpy(dev->prom_name, lbuf);
 
-       regs = of_get_property(dp, "reg", &len);
+       len = prom_getproperty(node, "reg", (void *)regs, sizeof(regs));
        if (len % sizeof(struct linux_prom_registers)) {
                prom_printf("UGH: proplen for %s was %d, need multiple of %d\n",
-                           dev->prom_node->name, len,
+                           dev->prom_name, len,
                            (int)sizeof(struct linux_prom_registers));
                panic(__FUNCTION__);
        }
@@ -199,7 +197,7 @@ void __init fill_ebus_device(struct device_node *dp, struct linux_ebus_device *d
                        if ((baseaddr = (unsigned long) ioremap(baseaddr,
                            regs[i].reg_size)) == 0) {
                                panic("ebus: unable to remap dev %s",
-                                     dev->prom_node->name);
+                                   dev->prom_name);
                        }
                }
                dev->resource[i].start = baseaddr;      /* XXX Unaligned */
@@ -208,43 +206,29 @@ void __init fill_ebus_device(struct device_node *dp, struct linux_ebus_device *d
        for (i = 0; i < PROMINTR_MAX; i++)
                dev->irqs[i] = PCI_IRQ_NONE;
 
-       if ((dev->irqs[0] = ebus_blacklist_irq(dev->prom_node->name)) != 0) {
+       if ((dev->irqs[0] = ebus_blacklist_irq(dev->prom_name)) != 0) {
                dev->num_irqs = 1;
+       } else if ((len = prom_getproperty(node, "interrupts",
+           (char *)&irqs, sizeof(irqs))) == -1 || len == 0) {
+               dev->num_irqs = 0;
+               if ((dev->irqs[0] = dev->bus->self->irq) != 0) {
+                        dev->num_irqs = 1;
+/* P3 */ /* printk("EBUS: child %s irq %d from parent\n", dev->prom_name, dev->irqs[0]); */
+               }
        } else {
-               irqs = of_get_property(dp, "interrupts", &len);
-               if (!irqs) {
+               dev->num_irqs = 1;  /* dev->num_irqs = len / sizeof(irqs[0]); */
+               if (irqs[0] == 0 || irqs[0] >= 8) {
+                       /* See above for the parent. XXX */
+                       printk("EBUS: %s got bad irq %d from PROM\n",
+                           dev->prom_name, irqs[0]);
                        dev->num_irqs = 0;
-                       if ((dev->irqs[0] = dev->bus->self->irq) != 0) {
-                               dev->num_irqs = 1;
-/* P3 */ /* printk("EBUS: child %s irq %d from parent\n", dev->prom_name, dev->irqs[0]); */
-                       }
+                       dev->irqs[0] = 0;
                } else {
-                       dev->num_irqs = 1;  /* dev->num_irqs = len / sizeof(irqs[0]); */
-                       if (irqs[0] == 0 || irqs[0] >= 8) {
-                               /* See above for the parent. XXX */
-                               printk("EBUS: %s got bad irq %d from PROM\n",
-                                      dev->prom_node->name, irqs[0]);
-                               dev->num_irqs = 0;
-                               dev->irqs[0] = 0;
-                       } else {
-                               dev->irqs[0] =
-                                       pcic_pin_to_irq(irqs[0],
-                                                       dev->prom_node->name);
-                       }
+                       dev->irqs[0] = pcic_pin_to_irq(irqs[0], dev->prom_name);
                }
        }
 
-       dev->ofdev.node = dp;
-       dev->ofdev.dev.parent = &dev->bus->ofdev.dev;
-       dev->ofdev.dev.bus = &ebus_bus_type;
-       strcpy(dev->ofdev.dev.bus_id, dp->path_component_name);
-
-       /* Register with core */
-       if (of_device_register(&dev->ofdev) != 0)
-               printk(KERN_DEBUG "ebus: device registration error for %s!\n",
-                      dev->ofdev.dev.bus_id);
-
-       if ((dp = dp->child) != NULL) {
+       if ((node = prom_getchild(node))) {
                dev->children = (struct linux_ebus_child *)
                        ebus_alloc(sizeof(struct linux_ebus_child));
 
@@ -252,9 +236,9 @@ void __init fill_ebus_device(struct device_node *dp, struct linux_ebus_device *d
                child->next = NULL;
                child->parent = dev;
                child->bus = dev->bus;
-               fill_ebus_child(dp, child);
+               fill_ebus_child(node, &regs[0], child);
 
-               while ((dp = dp->sibling) != NULL) {
+               while ((node = prom_getsibling(node)) != 0) {
                        child->next = (struct linux_ebus_child *)
                                ebus_alloc(sizeof(struct linux_ebus_child));
 
@@ -262,49 +246,51 @@ void __init fill_ebus_device(struct device_node *dp, struct linux_ebus_device *d
                        child->next = NULL;
                        child->parent = dev;
                        child->bus = dev->bus;
-                       fill_ebus_child(dp, child);
+                       fill_ebus_child(node, &regs[0], child);
                }
        }
 }
 
 void __init ebus_init(void)
 {
-       struct linux_prom_pci_registers *regs;
+       struct linux_prom_pci_registers regs[PROMREG_MAX];
        struct linux_pbm_info *pbm;
        struct linux_ebus_device *dev;
        struct linux_ebus *ebus;
        struct ebus_system_entry *sp;
        struct pci_dev *pdev;
        struct pcidev_cookie *cookie;
-       struct device_node *dp;
+       char lbuf[128];
        unsigned long addr, *base;
        unsigned short pci_command;
-       int len, reg, nreg;
+       int nd, len, ebusnd;
+       int reg, nreg;
        int num_ebus = 0;
 
-       dp = of_find_node_by_path("/");
+       prom_getstring(prom_root_node, "name", lbuf, sizeof(lbuf));
        for (sp = ebus_blacklist; sp->esname != NULL; sp++) {
-               if (strcmp(dp->name, sp->esname) == 0) {
+               if (strcmp(lbuf, sp->esname) == 0) {
                        ebus_blackp = sp->ipt;
                        break;
                }
        }
 
        pdev = pci_get_device(PCI_VENDOR_ID_SUN, PCI_DEVICE_ID_SUN_EBUS, NULL);
-       if (!pdev)
+       if (!pdev) {
                return;
-
+       }
        cookie = pdev->sysdata;
-       dp = cookie->prom_node;
+       ebusnd = cookie->prom_node;
 
        ebus_chain = ebus = (struct linux_ebus *)
                        ebus_alloc(sizeof(struct linux_ebus));
        ebus->next = NULL;
 
-       while (dp) {
-               struct device_node *nd;
+       while (ebusnd) {
 
-               ebus->prom_node = dp;
+               prom_getstring(ebusnd, "name", lbuf, sizeof(lbuf));
+               ebus->prom_node = ebusnd;
+               strcpy(ebus->prom_name, lbuf);
                ebus->self = pdev;
                ebus->parent = pbm = cookie->pbm;
 
@@ -313,8 +299,9 @@ void __init ebus_init(void)
                pci_command |= PCI_COMMAND_MASTER;
                pci_write_config_word(pdev, PCI_COMMAND, pci_command);
 
-               regs = of_get_property(dp, "reg", &len);
-               if (!regs) {
+               len = prom_getproperty(ebusnd, "reg", (void *)regs,
+                                      sizeof(regs));
+               if (len == 0 || len == -1) {
                        prom_printf("%s: can't find reg property\n",
                                    __FUNCTION__);
                        prom_halt();
@@ -330,18 +317,7 @@ void __init ebus_init(void)
                        *base++ = addr;
                }
 
-               ebus->ofdev.node = dp;
-               ebus->ofdev.dev.parent = &pdev->dev;
-               ebus->ofdev.dev.bus = &ebus_bus_type;
-               strcpy(ebus->ofdev.dev.bus_id, dp->path_component_name);
-
-               /* Register with core */
-               if (of_device_register(&ebus->ofdev) != 0)
-                       printk(KERN_DEBUG "ebus: device registration error for %s!\n",
-                              ebus->ofdev.dev.bus_id);
-
-
-               nd = dp->child;
+               nd = prom_getchild(ebusnd);
                if (!nd)
                        goto next_ebus;
 
@@ -354,7 +330,7 @@ void __init ebus_init(void)
                dev->bus = ebus;
                fill_ebus_device(nd, dev);
 
-               while ((nd = nd->sibling) != NULL) {
+               while ((nd = prom_getsibling(nd)) != 0) {
                        dev->next = (struct linux_ebus_device *)
                                ebus_alloc(sizeof(struct linux_ebus_device));
 
@@ -372,7 +348,7 @@ void __init ebus_init(void)
                        break;
 
                cookie = pdev->sysdata;
-               dp = cookie->prom_node;
+               ebusnd = cookie->prom_node;
 
                ebus->next = (struct linux_ebus *)
                        ebus_alloc(sizeof(struct linux_ebus));