#include <linux/pci.h>
#include <linux/slab.h>
#include <asm/oplib.h>
+#include <asm/prom.h>
+#include <asm/of_device.h>
#include <asm/isa.h>
struct sparc_isa_bridge *isa_chain;
printk(" [%s", isa_dev->prom_node->name);
}
-static struct linux_prom_registers * __init
-isa_dev_get_resource(struct sparc_isa_device *isa_dev)
+static void __init isa_dev_get_resource(struct sparc_isa_device *isa_dev)
{
struct linux_prom_registers *pregs;
unsigned long base, len;
int prop_len;
pregs = of_get_property(isa_dev->prom_node, "reg", &prop_len);
+ if (!pregs)
+ return;
/* Only the first one is interesting. */
len = pregs[0].reg_size;
request_resource(&isa_dev->bus->parent->io_space,
&isa_dev->resource);
-
- return pregs;
}
-/* I can't believe they didn't put a real INO in the isa device
- * interrupts property. The whole point of the OBP properties
- * is to shield the kernel from IRQ routing details.
- *
- * The P1275 standard for ISA devices seems to also have been
- * totally ignored.
- *
- * On later systems, an interrupt-map and interrupt-map-mask scheme
- * akin to EBUS is used.
- */
-static struct {
- int obp_irq;
- int pci_ino;
-} grover_irq_table[] = {
- { 1, 0x00 }, /* dma, unknown ino at this point */
- { 2, 0x27 }, /* floppy */
- { 3, 0x22 }, /* parallel */
- { 4, 0x2b }, /* serial */
- { 5, 0x25 }, /* acpi power management */
-
- { 0, 0x00 } /* end of table */
-};
-
-static int __init isa_dev_get_irq_using_imap(struct sparc_isa_device *isa_dev,
- struct sparc_isa_bridge *isa_br,
- int *interrupt,
- struct linux_prom_registers *reg)
+static void __init isa_dev_get_irq(struct sparc_isa_device *isa_dev)
{
- struct linux_prom_ebus_intmap *imap;
- struct linux_prom_ebus_intmask *imask;
- unsigned int hi, lo, irq;
- int i, len, n_imap;
-
- imap = of_get_property(isa_br->prom_node, "interrupt-map", &len);
- if (!imap)
- return 0;
- n_imap = len / sizeof(imap[0]);
-
- imask = of_get_property(isa_br->prom_node, "interrupt-map-mask", NULL);
- if (!imask)
- return 0;
-
- hi = reg->which_io & imask->phys_hi;
- lo = reg->phys_addr & imask->phys_lo;
- irq = *interrupt & imask->interrupt;
- for (i = 0; i < n_imap; i++) {
- if ((imap[i].phys_hi == hi) &&
- (imap[i].phys_lo == lo) &&
- (imap[i].interrupt == irq)) {
- *interrupt = imap[i].cinterrupt;
- return 0;
- }
- }
- return -1;
-}
+ struct of_device *op = of_find_device_by_node(isa_dev->prom_node);
-static void __init isa_dev_get_irq(struct sparc_isa_device *isa_dev,
- struct linux_prom_registers *pregs)
-{
- int irq_prop;
-
- irq_prop = of_getintprop_default(isa_dev->prom_node,
- "interrupts", -1);
- if (irq_prop <= 0) {
- goto no_irq;
+ if (!op || !op->num_irqs) {
+ isa_dev->irq = PCI_IRQ_NONE;
} else {
- struct pci_controller_info *pcic;
- struct pci_pbm_info *pbm;
- int i;
-
- if (of_find_property(isa_dev->bus->prom_node,
- "interrupt-map", NULL)) {
- if (!isa_dev_get_irq_using_imap(isa_dev,
- isa_dev->bus,
- &irq_prop,
- pregs))
- goto route_irq;
- }
-
- for (i = 0; grover_irq_table[i].obp_irq != 0; i++) {
- if (grover_irq_table[i].obp_irq == irq_prop) {
- int ino = grover_irq_table[i].pci_ino;
-
- if (ino == 0)
- goto no_irq;
-
- irq_prop = ino;
- goto route_irq;
- }
- }
- goto no_irq;
-
-route_irq:
- pbm = isa_dev->bus->parent;
- pcic = pbm->parent;
- isa_dev->irq = pcic->irq_build(pbm, NULL, irq_prop);
- return;
+ isa_dev->irq = op->irqs[0];
}
-
-no_irq:
- isa_dev->irq = PCI_IRQ_NONE;
}
static void __init isa_fill_children(struct sparc_isa_device *parent_isa_dev)
printk(" ->");
while (dp) {
- struct linux_prom_registers *regs;
struct sparc_isa_device *isa_dev;
- isa_dev = kmalloc(sizeof(*isa_dev), GFP_KERNEL);
+ isa_dev = kzalloc(sizeof(*isa_dev), GFP_KERNEL);
if (!isa_dev) {
fatal_err("cannot allocate child isa_dev");
prom_halt();
}
- memset(isa_dev, 0, sizeof(*isa_dev));
-
/* Link it in to parent. */
isa_dev->next = parent_isa_dev->child;
parent_isa_dev->child = isa_dev;
isa_dev->bus = parent_isa_dev->bus;
isa_dev->prom_node = dp;
- regs = isa_dev_get_resource(isa_dev);
- isa_dev_get_irq(isa_dev, regs);
+ isa_dev_get_resource(isa_dev);
+ isa_dev_get_irq(isa_dev);
report_dev(isa_dev, 1);
struct device_node *dp = isa_br->prom_node->child;
while (dp) {
- struct linux_prom_registers *regs;
struct sparc_isa_device *isa_dev;
- isa_dev = kmalloc(sizeof(*isa_dev), GFP_KERNEL);
+ isa_dev = kzalloc(sizeof(*isa_dev), GFP_KERNEL);
if (!isa_dev) {
printk(KERN_DEBUG "ISA: cannot allocate isa_dev");
return;
}
- memset(isa_dev, 0, sizeof(*isa_dev));
-
isa_dev->ofdev.node = dp;
isa_dev->ofdev.dev.parent = &isa_br->ofdev.dev;
isa_dev->ofdev.dev.bus = &isa_bus_type;
- strcpy(isa_dev->ofdev.dev.bus_id, dp->path_component_name);
+ sprintf(isa_dev->ofdev.dev.bus_id, "isa[%08x]", dp->node);
/* Register with core */
if (of_device_register(&isa_dev->ofdev) != 0) {
printk(KERN_DEBUG "isa: device registration error for %s!\n",
- isa_dev->ofdev.dev.bus_id);
+ dp->path_component_name);
kfree(isa_dev);
goto next_sibling;
}
isa_dev->bus = isa_br;
isa_dev->prom_node = dp;
- regs = isa_dev_get_resource(isa_dev);
- isa_dev_get_irq(isa_dev, regs);
+ isa_dev_get_resource(isa_dev);
+ isa_dev_get_irq(isa_dev);
report_dev(isa_dev, 0);
pbm = pdev_cookie->pbm;
dp = pdev_cookie->prom_node;
- isa_br = kmalloc(sizeof(*isa_br), GFP_KERNEL);
+ isa_br = kzalloc(sizeof(*isa_br), GFP_KERNEL);
if (!isa_br) {
printk(KERN_DEBUG "isa: cannot allocate sparc_isa_bridge");
return;
}
- memset(isa_br, 0, sizeof(*isa_br));
-
isa_br->ofdev.node = dp;
isa_br->ofdev.dev.parent = &pdev->dev;
isa_br->ofdev.dev.bus = &isa_bus_type;
- strcpy(isa_br->ofdev.dev.bus_id, dp->path_component_name);
+ sprintf(isa_br->ofdev.dev.bus_id, "isa%d", index);
/* Register with core */
if (of_device_register(&isa_br->ofdev) != 0) {
printk(KERN_DEBUG "isa: device registration error for %s!\n",
- isa_br->ofdev.dev.bus_id);
+ dp->path_component_name);
kfree(isa_br);
return;
}
projects / linux-2.6-omap-h63xx.git / blobdiff