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-rw-r--r--arch/sparc64/kernel/auxio.c2
-rw-r--r--arch/sparc64/kernel/ebus.c141
-rw-r--r--arch/sparc64/kernel/isa.c144
-rw-r--r--arch/sparc64/kernel/power.c20
-rw-r--r--arch/sparc64/kernel/prom.c1
-rw-r--r--arch/sparc64/kernel/time.c368
6 files changed, 338 insertions, 338 deletions
diff --git a/arch/sparc64/kernel/auxio.c b/arch/sparc64/kernel/auxio.c
index 8852c20c8d9..db36b66a4e3 100644
--- a/arch/sparc64/kernel/auxio.c
+++ b/arch/sparc64/kernel/auxio.c
@@ -136,7 +136,7 @@ found_sdev:
for_each_ebus(ebus) {
for_each_ebusdev(edev, ebus) {
- if (!strcmp(edev->prom_name, "auxio"))
+ if (!strcmp(edev->prom_node->name, "auxio"))
goto ebus_done;
}
}
diff --git a/arch/sparc64/kernel/ebus.c b/arch/sparc64/kernel/ebus.c
index 3125a5b4977..919a91d9e5d 100644
--- a/arch/sparc64/kernel/ebus.c
+++ b/arch/sparc64/kernel/ebus.c
@@ -285,36 +285,38 @@ static inline void *ebus_alloc(size_t size)
static void __init ebus_ranges_init(struct linux_ebus *ebus)
{
- int success;
+ struct linux_prom_ebus_ranges *rngs;
+ int len;
ebus->num_ebus_ranges = 0;
- success = prom_getproperty(ebus->prom_node, "ranges",
- (char *)ebus->ebus_ranges,
- sizeof(ebus->ebus_ranges));
- if (success != -1)
- ebus->num_ebus_ranges = (success/sizeof(struct linux_prom_ebus_ranges));
+ rngs = of_get_property(ebus->prom_node, "ranges", &len);
+ if (rngs) {
+ memcpy(ebus->ebus_ranges, rngs, len);
+ ebus->num_ebus_ranges =
+ (len / sizeof(struct linux_prom_ebus_ranges));
+ }
}
static void __init ebus_intmap_init(struct linux_ebus *ebus)
{
- int success;
+ struct linux_prom_ebus_intmap *imap;
+ struct linux_prom_ebus_intmask *imask;
+ int len;
ebus->num_ebus_intmap = 0;
- success = prom_getproperty(ebus->prom_node, "interrupt-map",
- (char *)ebus->ebus_intmap,
- sizeof(ebus->ebus_intmap));
- if (success == -1)
+ imap = of_get_property(ebus->prom_node, "interrupt-map", &len);
+ if (!imap)
return;
- ebus->num_ebus_intmap = (success/sizeof(struct linux_prom_ebus_intmap));
+ memcpy(ebus->ebus_intmap, imap, len);
+ ebus->num_ebus_intmap = (len / sizeof(struct linux_prom_ebus_intmap));
- success = prom_getproperty(ebus->prom_node, "interrupt-map-mask",
- (char *)&ebus->ebus_intmask,
- sizeof(ebus->ebus_intmask));
- if (success == -1) {
- prom_printf("%s: can't get interrupt-map-mask\n", __FUNCTION__);
+ imask = of_get_property(ebus->prom_node, "interrupt-map-mask", &len);
+ if (!imask) {
+ prom_printf("EBUS: can't get interrupt-map-mask\n");
prom_halt();
}
+ memcpy(&ebus->ebus_intmask, imask, sizeof(ebus->ebus_intmask));
}
int __init ebus_intmap_match(struct linux_ebus *ebus,
@@ -341,19 +343,23 @@ int __init ebus_intmap_match(struct linux_ebus *ebus,
return -1;
}
-void __init fill_ebus_child(int node, struct linux_prom_registers *preg,
- struct linux_ebus_child *dev, int non_standard_regs)
+void __init fill_ebus_child(struct device_node *dp,
+ struct linux_prom_registers *preg,
+ struct linux_ebus_child *dev,
+ int non_standard_regs)
{
- int regs[PROMREG_MAX];
- int irqs[PROMREG_MAX];
+ int *regs;
+ int *irqs;
int i, len;
- dev->prom_node = node;
- prom_getstring(node, "name", dev->prom_name, sizeof(dev->prom_name));
- printk(" (%s)", dev->prom_name);
+ dev->prom_node = dp;
+ printk(" (%s)", dp->name);
- len = prom_getproperty(node, "reg", (void *)regs, sizeof(regs));
- dev->num_addrs = len / sizeof(regs[0]);
+ regs = of_get_property(dp, "reg", &len);
+ if (!regs)
+ dev->num_addrs = 0;
+ else
+ dev->num_addrs = len / sizeof(regs[0]);
if (non_standard_regs) {
/* This is to handle reg properties which are not
@@ -370,21 +376,21 @@ void __init fill_ebus_child(int node, struct linux_prom_registers *preg,
int rnum = regs[i];
if (rnum >= dev->parent->num_addrs) {
prom_printf("UGH: property for %s was %d, need < %d\n",
- dev->prom_name, len, dev->parent->num_addrs);
- panic(__FUNCTION__);
+ dp->name, len, dev->parent->num_addrs);
+ prom_halt();
}
dev->resource[i].start = dev->parent->resource[i].start;
dev->resource[i].end = dev->parent->resource[i].end;
dev->resource[i].flags = IORESOURCE_MEM;
- dev->resource[i].name = dev->prom_name;
+ dev->resource[i].name = dp->name;
}
}
for (i = 0; i < PROMINTR_MAX; i++)
dev->irqs[i] = PCI_IRQ_NONE;
- len = prom_getproperty(node, "interrupts", (char *)&irqs, sizeof(irqs));
- if ((len == -1) || (len == 0)) {
+ irqs = of_get_property(dp, "interrupts", &len);
+ if (!irqs) {
dev->num_irqs = 0;
/*
* Oh, well, some PROMs don't export interrupts
@@ -392,8 +398,8 @@ void __init fill_ebus_child(int node, struct linux_prom_registers *preg,
*
* Be smart about PS/2 keyboard and mouse.
*/
- if (!strcmp(dev->parent->prom_name, "8042")) {
- if (!strcmp(dev->prom_name, "kb_ps2")) {
+ if (!strcmp(dev->parent->prom_node->name, "8042")) {
+ if (!strcmp(dev->prom_node->name, "kb_ps2")) {
dev->num_irqs = 1;
dev->irqs[0] = dev->parent->irqs[0];
} else {
@@ -423,32 +429,32 @@ void __init fill_ebus_child(int node, struct linux_prom_registers *preg,
static int __init child_regs_nonstandard(struct linux_ebus_device *dev)
{
- if (!strcmp(dev->prom_name, "i2c") ||
- !strcmp(dev->prom_name, "SUNW,lombus"))
+ if (!strcmp(dev->prom_node->name, "i2c") ||
+ !strcmp(dev->prom_node->name, "SUNW,lombus"))
return 1;
return 0;
}
-void __init fill_ebus_device(int node, struct linux_ebus_device *dev)
+void __init fill_ebus_device(struct device_node *dp, struct linux_ebus_device *dev)
{
- struct linux_prom_registers regs[PROMREG_MAX];
+ struct linux_prom_registers *regs;
struct linux_ebus_child *child;
- int irqs[PROMINTR_MAX];
+ int *irqs;
int i, n, len;
- dev->prom_node = node;
- prom_getstring(node, "name", dev->prom_name, sizeof(dev->prom_name));
- printk(" [%s", dev->prom_name);
+ dev->prom_node = dp;
- len = prom_getproperty(node, "reg", (void *)regs, sizeof(regs));
- if (len == -1) {
+ printk(" [%s", dp->name);
+
+ regs = of_get_property(dp, "reg", &len);
+ if (!regs) {
dev->num_addrs = 0;
goto probe_interrupts;
}
if (len % sizeof(struct linux_prom_registers)) {
prom_printf("UGH: proplen for %s was %d, need multiple of %d\n",
- dev->prom_name, len,
+ dev->prom_node->name, len,
(int)sizeof(struct linux_prom_registers));
prom_halt();
}
@@ -466,7 +472,7 @@ void __init fill_ebus_device(int node, struct linux_ebus_device *dev)
dev->resource[i].end =
(dev->resource[i].start + (unsigned long)regs[i].reg_size - 1UL);
dev->resource[i].flags = IORESOURCE_MEM;
- dev->resource[i].name = dev->prom_name;
+ dev->resource[i].name = dev->prom_node->name;
request_resource(&dev->bus->self->resource[n],
&dev->resource[i]);
}
@@ -475,8 +481,8 @@ probe_interrupts:
for (i = 0; i < PROMINTR_MAX; i++)
dev->irqs[i] = PCI_IRQ_NONE;
- len = prom_getproperty(node, "interrupts", (char *)&irqs, sizeof(irqs));
- if ((len == -1) || (len == 0)) {
+ irqs = of_get_property(dp, "interrupts", &len);
+ if (!irqs) {
dev->num_irqs = 0;
} else {
dev->num_irqs = len / sizeof(irqs[0]);
@@ -497,7 +503,8 @@ probe_interrupts:
}
}
- if ((node = prom_getchild(node))) {
+ dp = dp->child;
+ if (dp) {
printk(" ->");
dev->children = ebus_alloc(sizeof(struct linux_ebus_child));
@@ -505,18 +512,18 @@ probe_interrupts:
child->next = NULL;
child->parent = dev;
child->bus = dev->bus;
- fill_ebus_child(node, &regs[0],
- child, child_regs_nonstandard(dev));
+ fill_ebus_child(dp, regs, child,
+ child_regs_nonstandard(dev));
- while ((node = prom_getsibling(node)) != 0) {
+ while ((dp = dp->sibling) != NULL) {
child->next = ebus_alloc(sizeof(struct linux_ebus_child));
child = child->next;
child->next = NULL;
child->parent = dev;
child->bus = dev->bus;
- fill_ebus_child(node, &regs[0],
- child, child_regs_nonstandard(dev));
+ fill_ebus_child(dp, regs, child,
+ child_regs_nonstandard(dev));
}
}
printk("]");
@@ -543,7 +550,8 @@ void __init ebus_init(void)
struct linux_ebus *ebus;
struct pci_dev *pdev;
struct pcidev_cookie *cookie;
- int nd, ebusnd, is_rio;
+ struct device_node *dp;
+ int is_rio;
int num_ebus = 0;
pdev = find_next_ebus(NULL, &is_rio);
@@ -553,20 +561,22 @@ void __init ebus_init(void)
}
cookie = pdev->sysdata;
- ebusnd = cookie->prom_node->node;
+ dp = cookie->prom_node;
ebus_chain = ebus = ebus_alloc(sizeof(struct linux_ebus));
ebus->next = NULL;
ebus->is_rio = is_rio;
- while (ebusnd) {
+ while (dp) {
+ struct device_node *child;
+
/* SUNW,pci-qfe uses four empty ebuses on it.
I think we should not consider them here,
as they have half of the properties this
code expects and once we do PCI hot-plug,
we'd have to tweak with the ebus_chain
in the runtime after initialization. -jj */
- if (!prom_getchild (ebusnd)) {
+ if (!dp->child) {
pdev = find_next_ebus(pdev, &is_rio);
if (!pdev) {
if (ebus == ebus_chain) {
@@ -578,22 +588,21 @@ void __init ebus_init(void)
}
ebus->is_rio = is_rio;
cookie = pdev->sysdata;
- ebusnd = cookie->prom_node->node;
+ dp = cookie->prom_node;
continue;
}
printk("ebus%d:", num_ebus);
- prom_getstring(ebusnd, "name", ebus->prom_name, sizeof(ebus->prom_name));
ebus->index = num_ebus;
- ebus->prom_node = ebusnd;
+ ebus->prom_node = dp;
ebus->self = pdev;
ebus->parent = pbm = cookie->pbm;
ebus_ranges_init(ebus);
ebus_intmap_init(ebus);
- nd = prom_getchild(ebusnd);
- if (!nd)
+ child = dp->child;
+ if (!child)
goto next_ebus;
ebus->devices = ebus_alloc(sizeof(struct linux_ebus_device));
@@ -602,16 +611,16 @@ void __init ebus_init(void)
dev->next = NULL;
dev->children = NULL;
dev->bus = ebus;
- fill_ebus_device(nd, dev);
+ fill_ebus_device(child, dev);
- while ((nd = prom_getsibling(nd)) != 0) {
+ while ((child = child->sibling) != NULL) {
dev->next = ebus_alloc(sizeof(struct linux_ebus_device));
dev = dev->next;
dev->next = NULL;
dev->children = NULL;
dev->bus = ebus;
- fill_ebus_device(nd, dev);
+ fill_ebus_device(child, dev);
}
next_ebus:
@@ -622,7 +631,7 @@ void __init ebus_init(void)
break;
cookie = pdev->sysdata;
- ebusnd = cookie->prom_node->node;
+ dp = cookie->prom_node;
ebus->next = ebus_alloc(sizeof(struct linux_ebus));
ebus = ebus->next;
diff --git a/arch/sparc64/kernel/isa.c b/arch/sparc64/kernel/isa.c
index ae02c3820ea..8c8c5a491ad 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
@@ -98,8 +96,8 @@ 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 {
@@ -141,16 +139,15 @@ 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) {
@@ -165,40 +162,24 @@ 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();
- }
-
- 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, 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) {
@@ -222,24 +203,9 @@ 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));
-
- /* Not having this is OK. */
- if (prop_len <= 0)
- isa_dev->compatible[0] = '\0';
+ isa_dev->prom_node = dp;
- 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);
@@ -248,10 +214,40 @@ static void __init isa_fill_devices(struct sparc_isa_bridge *isa_br)
printk("]");
- node = prom_getsibling(node);
+ dp = dp->sibling;
}
}
+static void __init get_bridge_props(struct sparc_isa_bridge *isa_br)
+{
+ struct device_node *dp = isa_br->prom_node;
+ void *pval;
+ int len;
+
+ pval = of_get_property(dp, "ranges", &len);
+ if (pval) {
+ memcpy(isa_br->isa_ranges, pval, len);
+ isa_br->num_isa_ranges =
+ len / sizeof(struct linux_prom_isa_ranges);
+ } else {
+ isa_br->num_isa_ranges = 0;
+ }
+
+ pval = of_get_property(dp, "interrupt-map", &len);
+ if (pval) {
+ memcpy(isa_br->isa_intmap, pval, len);
+ isa_br->num_isa_intmap =
+ (len / sizeof(struct linux_prom_isa_intmap));
+ } else {
+ isa_br->num_isa_intmap = 0;
+ }
+
+ pval = of_get_property(dp, "interrupt-map-mask", &len);
+ if (pval)
+ memcpy(&isa_br->isa_intmask, pval,
+ sizeof(isa_br->isa_intmask));
+}
+
void __init isa_init(void)
{
struct pci_dev *pdev;
@@ -266,7 +262,6 @@ void __init isa_init(void)
struct pcidev_cookie *pdev_cookie;
struct pci_pbm_info *pbm;
struct sparc_isa_bridge *isa_br;
- int prop_len;
pdev_cookie = pdev->sysdata;
if (!pdev_cookie) {
@@ -291,34 +286,9 @@ void __init isa_init(void)
isa_br->parent = pbm;
isa_br->self = pdev;
isa_br->index = index++;
- isa_br->prom_node = pdev_cookie->prom_node->node;
- strncpy(isa_br->prom_name, pdev_cookie->prom_node->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));
+ isa_br->prom_node = pdev_cookie->prom_node;
+
+ get_bridge_props(isa_br);
printk("isa%d:", isa_br->index);
diff --git a/arch/sparc64/kernel/power.c b/arch/sparc64/kernel/power.c
index 30bcaf58e3a..75159a7843f 100644
--- a/arch/sparc64/kernel/power.c
+++ b/arch/sparc64/kernel/power.c
@@ -105,24 +105,24 @@ again:
return 0;
}
-static int __init has_button_interrupt(unsigned int irq, int prom_node)
+static int __init has_button_interrupt(unsigned int irq, struct device_node *dp)
{
if (irq == PCI_IRQ_NONE)
return 0;
- if (!prom_node_has_property(prom_node, "button"))
+ if (!of_find_property(dp, "button", NULL))
return 0;
return 1;
}
-static int __init power_probe_ebus(struct resource **resp, unsigned int *irq_p, int *prom_node_p)
+static int __init power_probe_ebus(struct resource **resp, unsigned int *irq_p, struct device_node **prom_node_p)
{
struct linux_ebus *ebus;
struct linux_ebus_device *edev;
for_each_ebus(ebus) {
for_each_ebusdev(edev, ebus) {
- if (!strcmp(edev->prom_name, "power")) {
+ if (!strcmp(edev->prom_node->name, "power")) {
*resp = &edev->resource[0];
*irq_p = edev->irqs[0];
*prom_node_p = edev->prom_node;
@@ -133,14 +133,14 @@ static int __init power_probe_ebus(struct resource **resp, unsigned int *irq_p,
return -ENODEV;
}
-static int __init power_probe_isa(struct resource **resp, unsigned int *irq_p, int *prom_node_p)
+static int __init power_probe_isa(struct resource **resp, unsigned int *irq_p, struct device_node **prom_node_p)
{
struct sparc_isa_bridge *isa_bus;
struct sparc_isa_device *isa_dev;
for_each_isa(isa_bus) {
for_each_isadev(isa_dev, isa_bus) {
- if (!strcmp(isa_dev->prom_name, "power")) {
+ if (!strcmp(isa_dev->prom_node->name, "power")) {
*resp = &isa_dev->resource;
*irq_p = isa_dev->irq;
*prom_node_p = isa_dev->prom_node;
@@ -155,17 +155,17 @@ void __init power_init(void)
{
struct resource *res = NULL;
unsigned int irq;
- int prom_node;
+ struct device_node *dp;
static int invoked;
if (invoked)
return;
invoked = 1;
- if (!power_probe_ebus(&res, &irq, &prom_node))
+ if (!power_probe_ebus(&res, &irq, &dp))
goto found;
- if (!power_probe_isa(&res, &irq, &prom_node))
+ if (!power_probe_isa(&res, &irq, &dp))
goto found;
return;
@@ -174,7 +174,7 @@ found:
power_reg = ioremap(res->start, 0x4);
printk("power: Control reg at %p ... ", power_reg);
poweroff_method = machine_halt; /* able to use the standard halt */
- if (has_button_interrupt(irq, prom_node)) {
+ if (has_button_interrupt(irq, dp)) {
if (kernel_thread(powerd, NULL, CLONE_FS) < 0) {
printk("Failed to start power daemon.\n");
return;
diff --git a/arch/sparc64/kernel/prom.c b/arch/sparc64/kernel/prom.c
index fb112c3c048..7809100034b 100644
--- a/arch/sparc64/kernel/prom.c
+++ b/arch/sparc64/kernel/prom.c
@@ -63,6 +63,7 @@ struct device_node *of_find_node_by_path(const char *path)
return np;
}
+EXPORT_SYMBOL(of_find_node_by_path);
struct device_node *of_find_node_by_phandle(phandle handle)
{
diff --git a/arch/sparc64/kernel/time.c b/arch/sparc64/kernel/time.c
index aa5438a4fd5..d072b8632cc 100644
--- a/arch/sparc64/kernel/time.c
+++ b/arch/sparc64/kernel/time.c
@@ -756,24 +756,200 @@ retry:
return -EOPNOTSUPP;
}
-void __init clock_probe(void)
+static int __init clock_model_matches(char *model)
+{
+ if (strcmp(model, "mk48t02") &&
+ strcmp(model, "mk48t08") &&
+ strcmp(model, "mk48t59") &&
+ strcmp(model, "m5819") &&
+ strcmp(model, "m5819p") &&
+ strcmp(model, "m5823") &&
+ strcmp(model, "ds1287"))
+ return 0;
+
+ return 1;
+}
+
+static void __init __clock_assign_common(void __iomem *addr, char *model)
+{
+ if (model[5] == '0' && model[6] == '2') {
+ mstk48t02_regs = addr;
+ } else if(model[5] == '0' && model[6] == '8') {
+ mstk48t08_regs = addr;
+ mstk48t02_regs = mstk48t08_regs + MOSTEK_48T08_48T02;
+ } else {
+ mstk48t59_regs = addr;
+ mstk48t02_regs = mstk48t59_regs + MOSTEK_48T59_48T02;
+ }
+}
+
+static void __init clock_assign_clk_reg(struct linux_prom_registers *clk_reg,
+ char *model)
+{
+ unsigned long addr;
+
+ addr = ((unsigned long) clk_reg[0].phys_addr |
+ (((unsigned long) clk_reg[0].which_io) << 32UL));
+
+ __clock_assign_common((void __iomem *) addr, model);
+}
+
+static int __init clock_probe_central(void)
{
struct linux_prom_registers clk_reg[2];
- char model[128];
- int node, busnd = -1, err;
- unsigned long flags;
- struct linux_central *cbus;
+ char model[64];
+ int node;
+
+ if (!central_bus)
+ return 0;
+
+ /* Get Central FHC's prom node. */
+ node = central_bus->child->prom_node;
+
+ /* Then get the first child device below it. */
+ node = prom_getchild(node);
+
+ while (node) {
+ prom_getstring(node, "model", model, sizeof(model));
+ if (!clock_model_matches(model))
+ goto next_sibling;
+
+ prom_getproperty(node, "reg", (char *)clk_reg,
+ sizeof(clk_reg));
+
+ apply_fhc_ranges(central_bus->child, clk_reg, 1);
+ apply_central_ranges(central_bus, clk_reg, 1);
+
+ clock_assign_clk_reg(clk_reg, model);
+ return 1;
+
+ next_sibling:
+ node = prom_getsibling(node);
+ }
+
+ return 0;
+}
+
#ifdef CONFIG_PCI
- struct linux_ebus *ebus = NULL;
- struct sparc_isa_bridge *isa_br = NULL;
+static void __init clock_isa_ebus_assign_regs(struct resource *res, char *model)
+{
+ if (!strcmp(model, "ds1287") ||
+ !strcmp(model, "m5819") ||
+ !strcmp(model, "m5819p") ||
+ !strcmp(model, "m5823")) {
+ ds1287_regs = res->start;
+ } else {
+ mstk48t59_regs = (void __iomem *) res->start;
+ mstk48t02_regs = mstk48t59_regs + MOSTEK_48T59_48T02;
+ }
+}
+
+static int __init clock_probe_one_ebus_dev(struct linux_ebus_device *edev)
+{
+ struct device_node *dp = edev->prom_node;
+ char *model;
+
+ model = of_get_property(dp, "model", NULL);
+ if (!clock_model_matches(model))
+ return 0;
+
+ clock_isa_ebus_assign_regs(&edev->resource[0], model);
+
+ return 1;
+}
+
+static int __init clock_probe_ebus(void)
+{
+ struct linux_ebus *ebus;
+
+ for_each_ebus(ebus) {
+ struct linux_ebus_device *edev;
+
+ for_each_ebusdev(edev, ebus) {
+ if (clock_probe_one_ebus_dev(edev))
+ return 1;
+ }
+ }
+
+ return 0;
+}
+
+static int __init clock_probe_one_isa_dev(struct sparc_isa_device *idev)
+{
+ struct device_node *dp = idev->prom_node;
+ char *model;
+
+ model = of_get_property(dp, "model", NULL);
+ if (!clock_model_matches(model))
+ return 0;
+
+ clock_isa_ebus_assign_regs(&idev->resource, model);
+
+ return 1;
+}
+
+static int __init clock_probe_isa(void)
+{
+ struct sparc_isa_bridge *isa_br;
+
+ for_each_isa(isa_br) {
+ struct sparc_isa_device *isa_dev;
+
+ for_each_isadev(isa_dev, isa_br) {
+ if (clock_probe_one_isa_dev(isa_dev))
+ return 1;
+ }
+ }
+
+ return 0;
+}
+#endif /* CONFIG_PCI */
+
+#ifdef CONFIG_SBUS
+static int __init clock_probe_one_sbus_dev(struct sbus_bus *sbus, struct sbus_dev *sdev)
+{
+ struct resource *res;
+ char model[64];
+ void __iomem *addr;
+
+ prom_getstring(sdev->prom_node, "model", model, sizeof(model));
+ if (!clock_model_matches(model))
+ return 0;
+
+ res = &sdev->resource[0];
+ addr = sbus_ioremap(res, 0, 0x800UL, "eeprom");
+
+ __clock_assign_common(addr, model);
+
+ return 1;
+}
+
+static int __init clock_probe_sbus(void)
+{
+ struct sbus_bus *sbus;
+
+ for_each_sbus(sbus) {
+ struct sbus_dev *sdev;
+
+ for_each_sbusdev(sdev, sbus) {
+ if (clock_probe_one_sbus_dev(sbus, sdev))
+ return 1;
+ }
+ }
+
+ return 0;
+}
#endif
+
+void __init clock_probe(void)
+{
static int invoked;
+ unsigned long flags;
if (invoked)
return;
invoked = 1;
-
if (this_is_starfire) {
xtime.tv_sec = starfire_get_time();
xtime.tv_nsec = (INITIAL_JIFFIES % HZ) * (NSEC_PER_SEC / HZ);
@@ -789,183 +965,27 @@ void __init clock_probe(void)
return;
}
- local_irq_save(flags);
-
- cbus = central_bus;
- if (cbus != NULL)
- busnd = central_bus->child->prom_node;
-
/* Check FHC Central then EBUSs then ISA bridges then SBUSs.
* That way we handle the presence of multiple properly.
*
* As a special case, machines with Central must provide the
* timer chip there.
*/
+ if (!clock_probe_central() &&
#ifdef CONFIG_PCI
- if (ebus_chain != NULL) {
- ebus = ebus_chain;
- if (busnd == -1)
- busnd = ebus->prom_node;
- }
- if (isa_chain != NULL) {
- isa_br = isa_chain;
- if (busnd == -1)
- busnd = isa_br->prom_node;
- }
-#endif
- if (sbus_root != NULL && busnd == -1)
- busnd = sbus_root->prom_node;
-
- if (busnd == -1) {
- prom_printf("clock_probe: problem, cannot find bus to search.\n");
- prom_halt();
- }
-
- node = prom_getchild(busnd);
-
- while (1) {
- if (!node)
- model[0] = 0;
- else
- prom_getstring(node, "model", model, sizeof(model));
- if (strcmp(model, "mk48t02") &&
- strcmp(model, "mk48t08") &&
- strcmp(model, "mk48t59") &&
- strcmp(model, "m5819") &&
- strcmp(model, "m5819p") &&
- strcmp(model, "m5823") &&
- strcmp(model, "ds1287")) {
- if (cbus != NULL) {
- prom_printf("clock_probe: Central bus lacks timer chip.\n");
- prom_halt();
- }
-
- if (node != 0)
- node = prom_getsibling(node);
-#ifdef CONFIG_PCI
- while ((node == 0) && ebus != NULL) {
- ebus = ebus->next;
- if (ebus != NULL) {
- busnd = ebus->prom_node;
- node = prom_getchild(busnd);
- }
- }
- while ((node == 0) && isa_br != NULL) {
- isa_br = isa_br->next;
- if (isa_br != NULL) {
- busnd = isa_br->prom_node;
- node = prom_getchild(busnd);
- }
- }
+ !clock_probe_ebus() &&
+ !clock_probe_isa() &&
#endif
- if (node == 0) {
- prom_printf("clock_probe: Cannot find timer chip\n");
- prom_halt();
- }
- continue;
- }
-
- err = prom_getproperty(node, "reg", (char *)clk_reg,
- sizeof(clk_reg));
- if(err == -1) {
- prom_printf("clock_probe: Cannot get Mostek reg property\n");
- prom_halt();
- }
-
- if (cbus != NULL) {
- apply_fhc_ranges(central_bus->child, clk_reg, 1);
- apply_central_ranges(central_bus, clk_reg, 1);
- }
-#ifdef CONFIG_PCI
- else if (ebus != NULL) {
- struct linux_ebus_device *edev;
-
- for_each_ebusdev(edev, ebus)
- if (edev->prom_node == node)
- break;
- if (edev == NULL) {
- if (isa_chain != NULL)
- goto try_isa_clock;
- prom_printf("%s: Mostek not probed by EBUS\n",
- __FUNCTION__);
- prom_halt();
- }
-
- if (!strcmp(model, "ds1287") ||
- !strcmp(model, "m5819") ||
- !strcmp(model, "m5819p") ||
- !strcmp(model, "m5823")) {
- ds1287_regs = edev->resource[0].start;
- } else {
- mstk48t59_regs = (void __iomem *)
- edev->resource[0].start;
- mstk48t02_regs = mstk48t59_regs + MOSTEK_48T59_48T02;
- }
- break;
- }
- else if (isa_br != NULL) {
- struct sparc_isa_device *isadev;
-
-try_isa_clock:
- for_each_isadev(isadev, isa_br)
- if (isadev->prom_node == node)
- break;
- if (isadev == NULL) {
- prom_printf("%s: Mostek not probed by ISA\n");
- prom_halt();
- }
- if (!strcmp(model, "ds1287") ||
- !strcmp(model, "m5819") ||
- !strcmp(model, "m5819p") ||
- !strcmp(model, "m5823")) {
- ds1287_regs = isadev->resource.start;
- } else {
- mstk48t59_regs = (void __iomem *)
- isadev->resource.start;
- mstk48t02_regs = mstk48t59_regs + MOSTEK_48T59_48T02;
- }
- break;
- }
+#ifdef CONFIG_SBUS
+ !clock_probe_sbus()
#endif
- else {
- if (sbus_root->num_sbus_ranges) {
- int nranges = sbus_root->num_sbus_ranges;
- int rngc;
-
- for (rngc = 0; rngc < nranges; rngc++)
- if (clk_reg[0].which_io ==
- sbus_root->sbus_ranges[rngc].ot_child_space)
- break;
- if (rngc == nranges) {
- prom_printf("clock_probe: Cannot find ranges for "
- "clock regs.\n");
- prom_halt();
- }
- clk_reg[0].which_io =
- sbus_root->sbus_ranges[rngc].ot_parent_space;
- clk_reg[0].phys_addr +=
- sbus_root->sbus_ranges[rngc].ot_parent_base;
- }
- }
-
- if(model[5] == '0' && model[6] == '2') {
- mstk48t02_regs = (void __iomem *)
- (((u64)clk_reg[0].phys_addr) |
- (((u64)clk_reg[0].which_io)<<32UL));
- } else if(model[5] == '0' && model[6] == '8') {
- mstk48t08_regs = (void __iomem *)
- (((u64)clk_reg[0].phys_addr) |
- (((u64)clk_reg[0].which_io)<<32UL));
- mstk48t02_regs = mstk48t08_regs + MOSTEK_48T08_48T02;
- } else {
- mstk48t59_regs = (void __iomem *)
- (((u64)clk_reg[0].phys_addr) |
- (((u64)clk_reg[0].which_io)<<32UL));
- mstk48t02_regs = mstk48t59_regs + MOSTEK_48T59_48T02;
- }
- break;
+ ) {
+ printk(KERN_WARNING "No clock chip found.\n");
+ return;
}
+ local_irq_save(flags);
+
if (mstk48t02_regs != NULL) {
/* Report a low battery voltage condition. */
if (has_low_battery())
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-01 00:51:29 +0000