#include <asm/irq.h>
#include <asm/asi.h>
#include <asm/upa.h>
+#include <asm/smp.h>
static struct device_node *allnodes;
-/* use when traversing tree through the allnext, child, sibling,
- * or parent members of struct device_node.
- */
-static DEFINE_RWLOCK(devtree_lock);
-
-int of_device_is_compatible(const struct device_node *device,
- const char *compat)
-{
- const char* cp;
- int cplen, l;
-
- cp = of_get_property(device, "compatible", &cplen);
- if (cp == NULL)
- return 0;
- while (cplen > 0) {
- if (strncmp(cp, compat, strlen(compat)) == 0)
- return 1;
- l = strlen(cp) + 1;
- cp += l;
- cplen -= l;
- }
-
- return 0;
-}
-EXPORT_SYMBOL(of_device_is_compatible);
-
-struct device_node *of_get_parent(const struct device_node *node)
-{
- struct device_node *np;
-
- if (!node)
- return NULL;
-
- np = node->parent;
-
- return np;
-}
-EXPORT_SYMBOL(of_get_parent);
+extern rwlock_t devtree_lock; /* temporary while merging */
struct device_node *of_get_next_child(const struct device_node *node,
struct device_node *prev)
}
EXPORT_SYMBOL(of_find_compatible_node);
-struct property *of_find_property(const struct device_node *np,
- const char *name,
- int *lenp)
-{
- struct property *pp;
-
- for (pp = np->properties; pp != 0; pp = pp->next) {
- if (strcasecmp(pp->name, name) == 0) {
- if (lenp != 0)
- *lenp = pp->length;
- break;
- }
- }
- return pp;
-}
-EXPORT_SYMBOL(of_find_property);
-
-/*
- * Find a property with a given name for a given node
- * and return the value.
- */
-const void *of_get_property(const struct device_node *np, const char *name,
- int *lenp)
-{
- struct property *pp = of_find_property(np,name,lenp);
- return pp ? pp->value : NULL;
-}
-EXPORT_SYMBOL(of_get_property);
-
int of_getintprop_default(struct device_node *np, const char *name, int def)
{
struct property *prop;
}
EXPORT_SYMBOL(of_getintprop_default);
-int of_n_addr_cells(struct device_node *np)
-{
- const int* ip;
- do {
- if (np->parent)
- np = np->parent;
- ip = of_get_property(np, "#address-cells", NULL);
- if (ip != NULL)
- return *ip;
- } while (np->parent);
- /* No #address-cells property for the root node, default to 2 */
- return 2;
-}
-EXPORT_SYMBOL(of_n_addr_cells);
-
-int of_n_size_cells(struct device_node *np)
-{
- const int* ip;
- do {
- if (np->parent)
- np = np->parent;
- ip = of_get_property(np, "#size-cells", NULL);
- if (ip != NULL)
- return *ip;
- } while (np->parent);
- /* No #size-cells property for the root node, default to 1 */
- return 1;
-}
-EXPORT_SYMBOL(of_n_size_cells);
-
int of_set_property(struct device_node *dp, const char *name, void *val, int len)
{
struct property **prevp;
return build_irq(inofixup, iclr, imap);
}
-static void psycho_irq_trans_init(struct device_node *dp)
+static void __init psycho_irq_trans_init(struct device_node *dp)
{
const struct linux_prom64_registers *regs;
return virt_irq;
}
-static void sabre_irq_trans_init(struct device_node *dp)
+static void __init sabre_irq_trans_init(struct device_node *dp)
{
const struct linux_prom64_registers *regs;
struct sabre_irq_data *irq_data;
return virt_irq;
}
-static void __schizo_irq_trans_init(struct device_node *dp, int is_tomatillo)
+static void __init __schizo_irq_trans_init(struct device_node *dp,
+ int is_tomatillo)
{
const struct linux_prom64_registers *regs;
struct schizo_irq_data *irq_data;
irq_data->chip_version = of_getintprop_default(dp, "version#", 0);
}
-static void schizo_irq_trans_init(struct device_node *dp)
+static void __init schizo_irq_trans_init(struct device_node *dp)
{
__schizo_irq_trans_init(dp, 0);
}
-static void tomatillo_irq_trans_init(struct device_node *dp)
+static void __init tomatillo_irq_trans_init(struct device_node *dp)
{
__schizo_irq_trans_init(dp, 1);
}
return sun4v_build_irq(devhandle, devino);
}
-static void pci_sun4v_irq_trans_init(struct device_node *dp)
+static void __init pci_sun4v_irq_trans_init(struct device_node *dp)
{
const struct linux_prom64_registers *regs;
/* The interrupt map registers do not have an INO field
* like other chips do. They return zero in the INO
* field, and the interrupt controller number is controlled
- * in bits 6 thru 9. So in order for build_irq() to get
+ * in bits 6 to 9. So in order for build_irq() to get
* the INO right we pass it in as part of the fixup
* which will get added to the map register zero value
* read by build_irq().
return build_irq(ino, iclr, imap);
}
-static void fire_irq_trans_init(struct device_node *dp)
+static void __init fire_irq_trans_init(struct device_node *dp)
{
const struct linux_prom64_registers *regs;
struct fire_irq_data *irq_data;
* This should conform to both Sunfire/Wildfire server and Fusion
* desktop designs.
*/
-#define SYSIO_IMAP_SLOT0 0x2c04UL
-#define SYSIO_IMAP_SLOT1 0x2c0cUL
-#define SYSIO_IMAP_SLOT2 0x2c14UL
-#define SYSIO_IMAP_SLOT3 0x2c1cUL
-#define SYSIO_IMAP_SCSI 0x3004UL
-#define SYSIO_IMAP_ETH 0x300cUL
-#define SYSIO_IMAP_BPP 0x3014UL
-#define SYSIO_IMAP_AUDIO 0x301cUL
-#define SYSIO_IMAP_PFAIL 0x3024UL
-#define SYSIO_IMAP_KMS 0x302cUL
-#define SYSIO_IMAP_FLPY 0x3034UL
-#define SYSIO_IMAP_SHW 0x303cUL
-#define SYSIO_IMAP_KBD 0x3044UL
-#define SYSIO_IMAP_MS 0x304cUL
-#define SYSIO_IMAP_SER 0x3054UL
-#define SYSIO_IMAP_TIM0 0x3064UL
-#define SYSIO_IMAP_TIM1 0x306cUL
-#define SYSIO_IMAP_UE 0x3074UL
-#define SYSIO_IMAP_CE 0x307cUL
-#define SYSIO_IMAP_SBERR 0x3084UL
-#define SYSIO_IMAP_PMGMT 0x308cUL
-#define SYSIO_IMAP_GFX 0x3094UL
-#define SYSIO_IMAP_EUPA 0x309cUL
+#define SYSIO_IMAP_SLOT0 0x2c00UL
+#define SYSIO_IMAP_SLOT1 0x2c08UL
+#define SYSIO_IMAP_SLOT2 0x2c10UL
+#define SYSIO_IMAP_SLOT3 0x2c18UL
+#define SYSIO_IMAP_SCSI 0x3000UL
+#define SYSIO_IMAP_ETH 0x3008UL
+#define SYSIO_IMAP_BPP 0x3010UL
+#define SYSIO_IMAP_AUDIO 0x3018UL
+#define SYSIO_IMAP_PFAIL 0x3020UL
+#define SYSIO_IMAP_KMS 0x3028UL
+#define SYSIO_IMAP_FLPY 0x3030UL
+#define SYSIO_IMAP_SHW 0x3038UL
+#define SYSIO_IMAP_KBD 0x3040UL
+#define SYSIO_IMAP_MS 0x3048UL
+#define SYSIO_IMAP_SER 0x3050UL
+#define SYSIO_IMAP_TIM0 0x3060UL
+#define SYSIO_IMAP_TIM1 0x3068UL
+#define SYSIO_IMAP_UE 0x3070UL
+#define SYSIO_IMAP_CE 0x3078UL
+#define SYSIO_IMAP_SBERR 0x3080UL
+#define SYSIO_IMAP_PMGMT 0x3088UL
+#define SYSIO_IMAP_GFX 0x3090UL
+#define SYSIO_IMAP_EUPA 0x3098UL
#define bogon ((unsigned long) -1)
static unsigned long sysio_irq_offsets[] = {
* Interrupt Clear register pointer, SYSIO specific version.
*/
#define SYSIO_ICLR_UNUSED0 0x3400UL
-#define SYSIO_ICLR_SLOT0 0x340cUL
-#define SYSIO_ICLR_SLOT1 0x344cUL
-#define SYSIO_ICLR_SLOT2 0x348cUL
-#define SYSIO_ICLR_SLOT3 0x34ccUL
+#define SYSIO_ICLR_SLOT0 0x3408UL
+#define SYSIO_ICLR_SLOT1 0x3448UL
+#define SYSIO_ICLR_SLOT2 0x3488UL
+#define SYSIO_ICLR_SLOT3 0x34c8UL
static unsigned long sysio_imap_to_iclr(unsigned long imap)
{
unsigned long diff = SYSIO_ICLR_UNUSED0 - SYSIO_IMAP_SLOT0;
return build_irq(sbus_level, iclr, imap);
}
-static void sbus_irq_trans_init(struct device_node *dp)
+static void __init sbus_irq_trans_init(struct device_node *dp)
{
const struct linux_prom64_registers *regs;
return build_irq(0, iclr, imap);
}
-static void central_irq_trans_init(struct device_node *dp)
+static void __init central_irq_trans_init(struct device_node *dp)
{
dp->irq_trans = prom_early_alloc(sizeof(struct of_irq_controller));
dp->irq_trans->irq_build = central_build_irq;
};
#ifdef CONFIG_PCI
-static struct irq_trans pci_irq_trans_table[] = {
+static struct irq_trans __initdata pci_irq_trans_table[] = {
{ "SUNW,sabre", sabre_irq_trans_init },
{ "pci108e,a000", sabre_irq_trans_init },
{ "pci108e,a001", sabre_irq_trans_init },
return sun4v_build_irq(devhandle, devino);
}
-static void sun4v_vdev_irq_trans_init(struct device_node *dp)
+static void __init sun4v_vdev_irq_trans_init(struct device_node *dp)
{
const struct linux_prom64_registers *regs;
((regs->phys_addr >> 32UL) & 0x0fffffff);
}
-static void irq_trans_init(struct device_node *dp)
+static void __init irq_trans_init(struct device_node *dp)
{
#ifdef CONFIG_PCI
const char *model;
static struct device_node * __init build_tree(struct device_node *parent, phandle node, struct device_node ***nextp)
{
+ struct device_node *ret = NULL, *prev_sibling = NULL;
struct device_node *dp;
- dp = create_node(node, parent);
- if (dp) {
+ while (1) {
+ dp = create_node(node, parent);
+ if (!dp)
+ break;
+
+ if (prev_sibling)
+ prev_sibling->sibling = dp;
+
+ if (!ret)
+ ret = dp;
+ prev_sibling = dp;
+
*(*nextp) = dp;
*nextp = &dp->allnext;
dp->child = build_tree(dp, prom_getchild(node), nextp);
- dp->sibling = build_tree(parent, prom_getsibling(node), nextp);
+ node = prom_getsibling(node);
}
- return dp;
+ return ret;
+}
+
+static const char *get_mid_prop(void)
+{
+ return (tlb_type == spitfire ? "upa-portid" : "portid");
+}
+
+struct device_node *of_find_node_by_cpuid(int cpuid)
+{
+ struct device_node *dp;
+ const char *mid_prop = get_mid_prop();
+
+ for_each_node_by_type(dp, "cpu") {
+ int id = of_getintprop_default(dp, mid_prop, -1);
+ const char *this_mid_prop = mid_prop;
+
+ if (id < 0) {
+ this_mid_prop = "cpuid";
+ id = of_getintprop_default(dp, this_mid_prop, -1);
+ }
+
+ if (id < 0) {
+ prom_printf("OF: Serious problem, cpu lacks "
+ "%s property", this_mid_prop);
+ prom_halt();
+ }
+ if (cpuid == id)
+ return dp;
+ }
+ return NULL;
+}
+
+static void __init of_fill_in_cpu_data(void)
+{
+ struct device_node *dp;
+ const char *mid_prop = get_mid_prop();
+
+ ncpus_probed = 0;
+ for_each_node_by_type(dp, "cpu") {
+ int cpuid = of_getintprop_default(dp, mid_prop, -1);
+ const char *this_mid_prop = mid_prop;
+ struct device_node *portid_parent;
+ int portid = -1;
+
+ portid_parent = NULL;
+ if (cpuid < 0) {
+ this_mid_prop = "cpuid";
+ cpuid = of_getintprop_default(dp, this_mid_prop, -1);
+ if (cpuid >= 0) {
+ int limit = 2;
+
+ portid_parent = dp;
+ while (limit--) {
+ portid_parent = portid_parent->parent;
+ if (!portid_parent)
+ break;
+ portid = of_getintprop_default(portid_parent,
+ "portid", -1);
+ if (portid >= 0)
+ break;
+ }
+ }
+ }
+
+ if (cpuid < 0) {
+ prom_printf("OF: Serious problem, cpu lacks "
+ "%s property", this_mid_prop);
+ prom_halt();
+ }
+
+ ncpus_probed++;
+
+#ifdef CONFIG_SMP
+ if (cpuid >= NR_CPUS)
+ continue;
+#else
+ /* On uniprocessor we only want the values for the
+ * real physical cpu the kernel booted onto, however
+ * cpu_data() only has one entry at index 0.
+ */
+ if (cpuid != real_hard_smp_processor_id())
+ continue;
+ cpuid = 0;
+#endif
+
+ cpu_data(cpuid).clock_tick =
+ of_getintprop_default(dp, "clock-frequency", 0);
+
+ if (portid_parent) {
+ cpu_data(cpuid).dcache_size =
+ of_getintprop_default(dp, "l1-dcache-size",
+ 16 * 1024);
+ cpu_data(cpuid).dcache_line_size =
+ of_getintprop_default(dp, "l1-dcache-line-size",
+ 32);
+ cpu_data(cpuid).icache_size =
+ of_getintprop_default(dp, "l1-icache-size",
+ 8 * 1024);
+ cpu_data(cpuid).icache_line_size =
+ of_getintprop_default(dp, "l1-icache-line-size",
+ 32);
+ cpu_data(cpuid).ecache_size =
+ of_getintprop_default(dp, "l2-cache-size", 0);
+ cpu_data(cpuid).ecache_line_size =
+ of_getintprop_default(dp, "l2-cache-line-size", 0);
+ if (!cpu_data(cpuid).ecache_size ||
+ !cpu_data(cpuid).ecache_line_size) {
+ cpu_data(cpuid).ecache_size =
+ of_getintprop_default(portid_parent,
+ "l2-cache-size",
+ (4 * 1024 * 1024));
+ cpu_data(cpuid).ecache_line_size =
+ of_getintprop_default(portid_parent,
+ "l2-cache-line-size", 64);
+ }
+
+ cpu_data(cpuid).core_id = portid + 1;
+ cpu_data(cpuid).proc_id = portid;
+#ifdef CONFIG_SMP
+ sparc64_multi_core = 1;
+#endif
+ } else {
+ cpu_data(cpuid).dcache_size =
+ of_getintprop_default(dp, "dcache-size", 16 * 1024);
+ cpu_data(cpuid).dcache_line_size =
+ of_getintprop_default(dp, "dcache-line-size", 32);
+
+ cpu_data(cpuid).icache_size =
+ of_getintprop_default(dp, "icache-size", 16 * 1024);
+ cpu_data(cpuid).icache_line_size =
+ of_getintprop_default(dp, "icache-line-size", 32);
+
+ cpu_data(cpuid).ecache_size =
+ of_getintprop_default(dp, "ecache-size",
+ (4 * 1024 * 1024));
+ cpu_data(cpuid).ecache_line_size =
+ of_getintprop_default(dp, "ecache-line-size", 64);
+
+ cpu_data(cpuid).core_id = 0;
+ cpu_data(cpuid).proc_id = -1;
+ }
+
+#ifdef CONFIG_SMP
+ cpu_set(cpuid, cpu_present_map);
+ cpu_set(cpuid, cpu_possible_map);
+#endif
+ }
+
+ smp_fill_in_sib_core_maps();
}
void __init prom_build_devicetree(void)
&nextp);
printk("PROM: Built device tree with %u bytes of memory.\n",
prom_early_allocated);
+
+ if (tlb_type != hypervisor)
+ of_fill_in_cpu_data();
}
projects / karo-tx-linux.git / blobdiff