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Diffstat (limited to 'arch/sparc64/kernel/isa.c')
-rw-r--r--arch/sparc64/kernel/isa.c183
1 files changed, 81 insertions, 102 deletions
diff --git a/arch/sparc64/kernel/isa.c b/arch/sparc64/kernel/isa.c
index 30862abee611..6f16dee280a8 100644
--- a/arch/sparc64/kernel/isa.c
+++ b/arch/sparc64/kernel/isa.c
@@ -15,23 +15,19 @@ static void __init fatal_err(const char *reason)
static void __init report_dev(struct sparc_isa_device *isa_dev, int child)
{
if (child)
- printk(" (%s)", isa_dev->prom_name);
+ printk(" (%s)", isa_dev->prom_node->name);
else
- printk(" [%s", isa_dev->prom_name);
+ printk(" [%s", isa_dev->prom_node->name);
}
-static void __init isa_dev_get_resource(struct sparc_isa_device *isa_dev,
- struct linux_prom_registers *pregs,
- int pregs_size)
+static struct linux_prom_registers * __init
+isa_dev_get_resource(struct sparc_isa_device *isa_dev)
{
+ struct linux_prom_registers *pregs;
unsigned long base, len;
int prop_len;
- prop_len = prom_getproperty(isa_dev->prom_node, "reg",
- (char *) pregs, pregs_size);
-
- if (prop_len <= 0)
- return;
+ pregs = of_get_property(isa_dev->prom_node, "reg", &prop_len);
/* Only the first one is interesting. */
len = pregs[0].reg_size;
@@ -42,10 +38,12 @@ static void __init isa_dev_get_resource(struct sparc_isa_device *isa_dev,
isa_dev->resource.start = base;
isa_dev->resource.end = (base + len - 1UL);
isa_dev->resource.flags = IORESOURCE_IO;
- isa_dev->resource.name = isa_dev->prom_name;
+ isa_dev->resource.name = isa_dev->prom_node->name;
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
@@ -74,19 +72,30 @@ static struct {
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 *pregs)
+ struct linux_prom_registers *reg)
{
+ struct linux_prom_ebus_intmap *imap;
+ struct linux_prom_ebus_intmap *imask;
unsigned int hi, lo, irq;
- int i;
-
- hi = pregs->which_io & isa_br->isa_intmask.phys_hi;
- lo = pregs->phys_addr & isa_br->isa_intmask.phys_lo;
- irq = *interrupt & isa_br->isa_intmask.interrupt;
- for (i = 0; i < isa_br->num_isa_intmap; i++) {
- if ((isa_br->isa_intmap[i].phys_hi == hi) &&
- (isa_br->isa_intmap[i].phys_lo == lo) &&
- (isa_br->isa_intmap[i].interrupt == irq)) {
- *interrupt = isa_br->isa_intmap[i].cinterrupt;
+ 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;
}
}
@@ -98,8 +107,8 @@ static void __init isa_dev_get_irq(struct sparc_isa_device *isa_dev,
{
int irq_prop;
- irq_prop = prom_getintdefault(isa_dev->prom_node,
- "interrupts", -1);
+ irq_prop = of_getintprop_default(isa_dev->prom_node,
+ "interrupts", -1);
if (irq_prop <= 0) {
goto no_irq;
} else {
@@ -107,7 +116,8 @@ static void __init isa_dev_get_irq(struct sparc_isa_device *isa_dev,
struct pci_pbm_info *pbm;
int i;
- if (isa_dev->bus->num_isa_intmap) {
+ 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,
@@ -141,16 +151,15 @@ no_irq:
static void __init isa_fill_children(struct sparc_isa_device *parent_isa_dev)
{
- int node = prom_getchild(parent_isa_dev->prom_node);
+ struct device_node *dp = parent_isa_dev->prom_node->child;
- if (node == 0)
+ if (!dp)
return;
printk(" ->");
- while (node != 0) {
- struct linux_prom_registers regs[PROMREG_MAX];
+ while (dp) {
+ struct linux_prom_registers *regs;
struct sparc_isa_device *isa_dev;
- int prop_len;
isa_dev = kmalloc(sizeof(*isa_dev), GFP_KERNEL);
if (!isa_dev) {
@@ -165,49 +174,46 @@ static void __init isa_fill_children(struct sparc_isa_device *parent_isa_dev)
parent_isa_dev->child = isa_dev;
isa_dev->bus = parent_isa_dev->bus;
- isa_dev->prom_node = node;
- prop_len = prom_getproperty(node, "name",
- (char *) isa_dev->prom_name,
- sizeof(isa_dev->prom_name));
- if (prop_len <= 0) {
- fatal_err("cannot get child isa_dev OBP node name");
- prom_halt();
- }
+ isa_dev->prom_node = dp;
- prop_len = prom_getproperty(node, "compatible",
- (char *) isa_dev->compatible,
- sizeof(isa_dev->compatible));
-
- /* Not having this is OK. */
- if (prop_len <= 0)
- isa_dev->compatible[0] = '\0';
-
- isa_dev_get_resource(isa_dev, regs, sizeof(regs));
+ regs = isa_dev_get_resource(isa_dev);
isa_dev_get_irq(isa_dev, regs);
report_dev(isa_dev, 1);
- node = prom_getsibling(node);
+ dp = dp->sibling;
}
}
static void __init isa_fill_devices(struct sparc_isa_bridge *isa_br)
{
- int node = prom_getchild(isa_br->prom_node);
+ struct device_node *dp = isa_br->prom_node->child;
- while (node != 0) {
- struct linux_prom_registers regs[PROMREG_MAX];
+ while (dp) {
+ struct linux_prom_registers *regs;
struct sparc_isa_device *isa_dev;
- int prop_len;
isa_dev = kmalloc(sizeof(*isa_dev), GFP_KERNEL);
if (!isa_dev) {
- fatal_err("cannot allocate isa_dev");
- prom_halt();
+ 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);
+
+ /* 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);
+ kfree(isa_dev);
+ goto next_sibling;
+ }
+
/* Link it in. */
isa_dev->next = NULL;
if (isa_br->devices == NULL) {
@@ -222,24 +228,9 @@ static void __init isa_fill_devices(struct sparc_isa_bridge *isa_br)
}
isa_dev->bus = isa_br;
- isa_dev->prom_node = node;
- prop_len = prom_getproperty(node, "name",
- (char *) isa_dev->prom_name,
- sizeof(isa_dev->prom_name));
- if (prop_len <= 0) {
- fatal_err("cannot get isa_dev OBP node name");
- prom_halt();
- }
-
- prop_len = prom_getproperty(node, "compatible",
- (char *) isa_dev->compatible,
- sizeof(isa_dev->compatible));
+ isa_dev->prom_node = dp;
- /* Not having this is OK. */
- if (prop_len <= 0)
- isa_dev->compatible[0] = '\0';
-
- isa_dev_get_resource(isa_dev, regs, sizeof(regs));
+ regs = isa_dev_get_resource(isa_dev);
isa_dev_get_irq(isa_dev, regs);
report_dev(isa_dev, 0);
@@ -248,7 +239,8 @@ static void __init isa_fill_devices(struct sparc_isa_bridge *isa_br)
printk("]");
- node = prom_getsibling(node);
+ next_sibling:
+ dp = dp->sibling;
}
}
@@ -266,7 +258,7 @@ void __init isa_init(void)
struct pcidev_cookie *pdev_cookie;
struct pci_pbm_info *pbm;
struct sparc_isa_bridge *isa_br;
- int prop_len;
+ struct device_node *dp;
pdev_cookie = pdev->sysdata;
if (!pdev_cookie) {
@@ -275,15 +267,29 @@ void __init isa_init(void)
continue;
}
pbm = pdev_cookie->pbm;
+ dp = pdev_cookie->prom_node;
isa_br = kmalloc(sizeof(*isa_br), GFP_KERNEL);
if (!isa_br) {
- fatal_err("cannot allocate sparc_isa_bridge");
- prom_halt();
+ 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);
+
+ /* 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);
+ kfree(isa_br);
+ return;
+ }
+
/* Link it in. */
isa_br->next = isa_chain;
isa_chain = isa_br;
@@ -292,33 +298,6 @@ void __init isa_init(void)
isa_br->self = pdev;
isa_br->index = index++;
isa_br->prom_node = pdev_cookie->prom_node;
- strncpy(isa_br->prom_name, pdev_cookie->prom_name,
- sizeof(isa_br->prom_name));
-
- prop_len = prom_getproperty(isa_br->prom_node,
- "ranges",
- (char *) isa_br->isa_ranges,
- sizeof(isa_br->isa_ranges));
- if (prop_len <= 0)
- isa_br->num_isa_ranges = 0;
- else
- isa_br->num_isa_ranges =
- (prop_len / sizeof(struct linux_prom_isa_ranges));
-
- prop_len = prom_getproperty(isa_br->prom_node,
- "interrupt-map",
- (char *) isa_br->isa_intmap,
- sizeof(isa_br->isa_intmap));
- if (prop_len <= 0)
- isa_br->num_isa_intmap = 0;
- else
- isa_br->num_isa_intmap =
- (prop_len / sizeof(struct linux_prom_isa_intmap));
-
- prop_len = prom_getproperty(isa_br->prom_node,
- "interrupt-map-mask",
- (char *) &(isa_br->isa_intmask),
- sizeof(isa_br->isa_intmask));
printk("isa%d:", isa_br->index);