[SPARC64]: Convert sun4v virtual-device layer to in-kernel PROM device tree.
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc64/kernel/devices.c b/arch/sparc64/kernel/devices.c
index 0dd95ae..136f872 100644
--- a/arch/sparc64/kernel/devices.c
+++ b/arch/sparc64/kernel/devices.c
@@ -33,7 +33,7 @@
extern void central_probe(void);
u32 sun4v_vdev_devhandle;
-int sun4v_vdev_root;
+struct device_node *sun4v_vdev_root;
struct vdev_intmap {
unsigned int phys;
@@ -50,102 +50,68 @@
static struct vdev_intmap *vdev_intmap;
static int vdev_num_intmap;
-static struct vdev_intmask vdev_intmask;
+static struct vdev_intmask *vdev_intmask;
static void __init sun4v_virtual_device_probe(void)
{
- struct linux_prom64_registers regs;
- struct vdev_intmap *ip;
- int node, sz, err;
+ struct linux_prom64_registers *regs;
+ struct property *prop;
+ struct device_node *dp;
+ int sz;
if (tlb_type != hypervisor)
return;
- node = prom_getchild(prom_root_node);
- node = prom_searchsiblings(node, "virtual-devices");
- if (!node) {
+ dp = of_find_node_by_name(NULL, "virtual-devices");
+ if (!dp) {
prom_printf("SUN4V: Fatal error, no virtual-devices node.\n");
prom_halt();
}
- sun4v_vdev_root = node;
+ sun4v_vdev_root = dp;
- prom_getproperty(node, "reg", (char *)®s, sizeof(regs));
- sun4v_vdev_devhandle = (regs.phys_addr >> 32UL) & 0x0fffffff;
+ prop = of_find_property(dp, "reg", NULL);
+ regs = prop->value;
+ sun4v_vdev_devhandle = (regs[0].phys_addr >> 32UL) & 0x0fffffff;
- sz = prom_getproplen(node, "interrupt-map");
- if (sz <= 0) {
- prom_printf("SUN4V: Error, no vdev interrupt-map.\n");
- prom_halt();
- }
+ prop = of_find_property(dp, "interrupt-map", &sz);
+ vdev_intmap = prop->value;
+ vdev_num_intmap = sz / sizeof(struct vdev_intmap);
- if ((sz % sizeof(*ip)) != 0) {
- prom_printf("SUN4V: Bogus interrupt-map property size %d\n",
- sz);
- prom_halt();
- }
+ prop = of_find_property(dp, "interrupt-map-mask", NULL);
+ vdev_intmask = prop->value;
- vdev_intmap = ip = alloc_bootmem_low_pages(sz);
- if (!vdev_intmap) {
- prom_printf("SUN4V: Error, cannot allocate vdev_intmap.\n");
- prom_halt();
- }
-
- err = prom_getproperty(node, "interrupt-map", (char *) ip, sz);
- if (err == -1) {
- prom_printf("SUN4V: Fatal error, no vdev interrupt-map.\n");
- prom_halt();
- }
- if (err != sz) {
- prom_printf("SUN4V: Inconsistent interrupt-map size, "
- "proplen(%d) vs getprop(%d).\n", sz,err);
- prom_halt();
- }
-
- vdev_num_intmap = err / sizeof(*ip);
-
- err = prom_getproperty(node, "interrupt-map-mask",
- (char *) &vdev_intmask,
- sizeof(vdev_intmask));
- if (err <= 0) {
- prom_printf("SUN4V: Fatal error, no vdev "
- "interrupt-map-mask.\n");
- prom_halt();
- }
- if (err % sizeof(vdev_intmask)) {
- prom_printf("SUN4V: Bogus interrupt-map-mask "
- "property size %d\n", err);
- prom_halt();
- }
-
- printk("SUN4V: virtual-devices devhandle[%x]\n",
- sun4v_vdev_devhandle);
+ printk("%s: Virtual Device Bus devhandle[%x]\n",
+ dp->full_name, sun4v_vdev_devhandle);
}
-unsigned int sun4v_vdev_device_interrupt(unsigned int dev_node)
+unsigned int sun4v_vdev_device_interrupt(struct device_node *dev_node)
{
+ struct property *prop;
unsigned int irq, reg;
- int err, i;
+ int i;
- err = prom_getproperty(dev_node, "interrupts",
- (char *) &irq, sizeof(irq));
- if (err <= 0) {
+ prop = of_find_property(dev_node, "interrupts", NULL);
+ if (!prop) {
printk("VDEV: Cannot get \"interrupts\" "
- "property for OBP node %x\n", dev_node);
+ "property for OBP node %s\n",
+ dev_node->full_name);
return 0;
}
+ irq = *(unsigned int *) prop->value;
- err = prom_getproperty(dev_node, "reg",
- (char *) ®, sizeof(reg));
- if (err <= 0) {
+ prop = of_find_property(dev_node, "reg", NULL);
+ if (!prop) {
printk("VDEV: Cannot get \"reg\" "
- "property for OBP node %x\n", dev_node);
+ "property for OBP node %s\n",
+ dev_node->full_name);
return 0;
}
+ reg = *(unsigned int *) prop->value;
for (i = 0; i < vdev_num_intmap; i++) {
- if (vdev_intmap[i].phys == (reg & vdev_intmask.phys) &&
- vdev_intmap[i].irq == (irq & vdev_intmask.interrupt)) {
+ if (vdev_intmap[i].phys == (reg & vdev_intmask->phys) &&
+ vdev_intmap[i].irq == (irq & vdev_intmask->interrupt)) {
irq = vdev_intmap[i].cinterrupt;
break;
}
@@ -153,7 +119,7 @@
if (i == vdev_num_intmap) {
printk("VDEV: No matching interrupt map entry "
- "for OBP node %x\n", dev_node);
+ "for OBP node %s\n", dev_node->full_name);
return 0;
}
diff --git a/drivers/serial/sunhv.c b/drivers/serial/sunhv.c
index f137804..ba22e25 100644
--- a/drivers/serial/sunhv.c
+++ b/drivers/serial/sunhv.c
@@ -427,31 +427,32 @@
static unsigned int __init get_interrupt(void)
{
- const char *cons_str = "console";
- const char *compat_str = "compatible";
- int node = prom_getchild(sun4v_vdev_root);
- char buf[64];
- int err, len;
+ struct device_node *dev_node;
- node = prom_searchsiblings(node, cons_str);
- if (!node)
- return 0;
+ dev_node = sun4v_vdev_root->child;
+ while (dev_node != NULL) {
+ struct property *prop;
- len = prom_getproplen(node, compat_str);
- if (len == 0 || len == -1)
- return 0;
+ if (strcmp(dev_node->name, "console"))
+ goto next_sibling;
- err = prom_getproperty(node, compat_str, buf, 64);
- if (err == -1)
- return 0;
+ prop = of_find_property(dev_node, "compatible", NULL);
+ if (!prop)
+ goto next_sibling;
- if (!hv_console_compatible(buf, len))
+ if (hv_console_compatible(prop->value, prop->length))
+ break;
+
+ next_sibling:
+ dev_node = dev_node->sibling;
+ }
+ if (!dev_node)
return 0;
/* Ok, the this is the OBP node for the sun4v hypervisor
* console device. Decode the interrupt.
*/
- return sun4v_vdev_device_interrupt(node);
+ return sun4v_vdev_device_interrupt(dev_node);
}
static int __init sunhv_init(void)
diff --git a/include/asm-sparc64/vdev.h b/include/asm-sparc64/vdev.h
index 996e6be..25637c5 100644
--- a/include/asm-sparc64/vdev.h
+++ b/include/asm-sparc64/vdev.h
@@ -7,10 +7,11 @@
#define _SPARC64_VDEV_H
#include <linux/types.h>
+#include <asm/prom.h>
extern u32 sun4v_vdev_devhandle;
-extern int sun4v_vdev_root;
+extern struct device_node *sun4v_vdev_root;
-extern unsigned int sun4v_vdev_device_interrupt(unsigned int);
+extern unsigned int sun4v_vdev_device_interrupt(struct device_node *dev_node);
#endif /* !(_SPARC64_VDEV_H) */