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Diffstat (limited to 'arch/sparc64/kernel/prom.c')
-rw-r--r--arch/sparc64/kernel/prom.c151
1 files changed, 116 insertions, 35 deletions
diff --git a/arch/sparc64/kernel/prom.c b/arch/sparc64/kernel/prom.c
index 0917c24c4f0..c54d4d8af01 100644
--- a/arch/sparc64/kernel/prom.c
+++ b/arch/sparc64/kernel/prom.c
@@ -36,12 +36,13 @@ static struct device_node *allnodes;
*/
static DEFINE_RWLOCK(devtree_lock);
-int of_device_is_compatible(struct device_node *device, const char *compat)
+int of_device_is_compatible(const struct device_node *device,
+ const char *compat)
{
const char* cp;
int cplen, l;
- cp = (char *) of_get_property(device, "compatible", &cplen);
+ cp = of_get_property(device, "compatible", &cplen);
if (cp == NULL)
return 0;
while (cplen > 0) {
@@ -154,13 +155,14 @@ struct device_node *of_find_compatible_node(struct device_node *from,
}
EXPORT_SYMBOL(of_find_compatible_node);
-struct property *of_find_property(struct device_node *np, const char *name,
+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 (strcmp(pp->name, name) == 0) {
+ if (strcasecmp(pp->name, name) == 0) {
if (lenp != 0)
*lenp = pp->length;
break;
@@ -174,7 +176,8 @@ EXPORT_SYMBOL(of_find_property);
* Find a property with a given name for a given node
* and return the value.
*/
-void *of_get_property(struct device_node *np, const char *name, int *lenp)
+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;
@@ -196,7 +199,7 @@ EXPORT_SYMBOL(of_getintprop_default);
int of_n_addr_cells(struct device_node *np)
{
- int* ip;
+ const int* ip;
do {
if (np->parent)
np = np->parent;
@@ -211,7 +214,7 @@ EXPORT_SYMBOL(of_n_addr_cells);
int of_n_size_cells(struct device_node *np)
{
- int* ip;
+ const int* ip;
do {
if (np->parent)
np = np->parent;
@@ -243,7 +246,7 @@ int of_set_property(struct device_node *dp, const char *name, void *val, int len
while (*prevp) {
struct property *prop = *prevp;
- if (!strcmp(prop->name, name)) {
+ if (!strcasecmp(prop->name, name)) {
void *old_val = prop->value;
int ret;
@@ -383,11 +386,9 @@ static unsigned int psycho_irq_build(struct device_node *dp,
/* Now build the IRQ bucket. */
imap = controller_regs + imap_off;
- imap += 4;
iclr_off = psycho_iclr_offset(ino);
iclr = controller_regs + iclr_off;
- iclr += 4;
if ((ino & 0x20) == 0)
inofixup = ino & 0x03;
@@ -395,9 +396,9 @@ static unsigned int psycho_irq_build(struct device_node *dp,
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)
{
- struct linux_prom64_registers *regs;
+ const struct linux_prom64_registers *regs;
dp->irq_trans = prom_early_alloc(sizeof(struct of_irq_controller));
dp->irq_trans->irq_build = psycho_irq_build;
@@ -547,7 +548,7 @@ static unsigned long __sabre_onboard_imap_off[] = {
static int sabre_device_needs_wsync(struct device_node *dp)
{
struct device_node *parent = dp->parent;
- char *parent_model, *parent_compat;
+ const char *parent_model, *parent_compat;
/* This traversal up towards the root is meant to
* handle two cases:
@@ -589,7 +590,7 @@ static unsigned int sabre_irq_build(struct device_node *dp,
{
struct sabre_irq_data *irq_data = _data;
unsigned long controller_regs = irq_data->controller_regs;
- struct linux_prom_pci_registers *regs;
+ const struct linux_prom_pci_registers *regs;
unsigned long imap, iclr;
unsigned long imap_off, iclr_off;
int inofixup = 0;
@@ -610,11 +611,9 @@ static unsigned int sabre_irq_build(struct device_node *dp,
/* Now build the IRQ bucket. */
imap = controller_regs + imap_off;
- imap += 4;
iclr_off = sabre_iclr_offset(ino);
iclr = controller_regs + iclr_off;
- iclr += 4;
if ((ino & 0x20) == 0)
inofixup = ino & 0x03;
@@ -637,11 +636,11 @@ static unsigned int sabre_irq_build(struct device_node *dp,
return virt_irq;
}
-static void sabre_irq_trans_init(struct device_node *dp)
+static void __init sabre_irq_trans_init(struct device_node *dp)
{
- struct linux_prom64_registers *regs;
+ const struct linux_prom64_registers *regs;
struct sabre_irq_data *irq_data;
- u32 *busrange;
+ const u32 *busrange;
dp->irq_trans = prom_early_alloc(sizeof(struct of_irq_controller));
dp->irq_trans->irq_build = sabre_irq_build;
@@ -676,13 +675,14 @@ static unsigned long schizo_iclr_offset(unsigned long ino)
static unsigned long schizo_ino_to_iclr(unsigned long pbm_regs,
unsigned int ino)
{
- return pbm_regs + schizo_iclr_offset(ino) + 4;
+
+ return pbm_regs + schizo_iclr_offset(ino);
}
static unsigned long schizo_ino_to_imap(unsigned long pbm_regs,
unsigned int ino)
{
- return pbm_regs + schizo_imap_offset(ino) + 4;
+ return pbm_regs + schizo_imap_offset(ino);
}
#define schizo_read(__reg) \
@@ -793,9 +793,10 @@ static unsigned int schizo_irq_build(struct device_node *dp,
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)
{
- struct linux_prom64_registers *regs;
+ const struct linux_prom64_registers *regs;
struct schizo_irq_data *irq_data;
dp->irq_trans = prom_early_alloc(sizeof(struct of_irq_controller));
@@ -815,12 +816,12 @@ static void __schizo_irq_trans_init(struct device_node *dp, int is_tomatillo)
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);
}
@@ -834,9 +835,9 @@ static unsigned int pci_sun4v_irq_build(struct device_node *dp,
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)
{
- struct linux_prom64_registers *regs;
+ const struct linux_prom64_registers *regs;
dp->irq_trans = prom_early_alloc(sizeof(struct of_irq_controller));
dp->irq_trans->irq_build = pci_sun4v_irq_build;
@@ -845,6 +846,85 @@ static void pci_sun4v_irq_trans_init(struct device_node *dp)
dp->irq_trans->data = (void *) (unsigned long)
((regs->phys_addr >> 32UL) & 0x0fffffff);
}
+
+struct fire_irq_data {
+ unsigned long pbm_regs;
+ u32 portid;
+};
+
+#define FIRE_IMAP_BASE 0x001000
+#define FIRE_ICLR_BASE 0x001400
+
+static unsigned long fire_imap_offset(unsigned long ino)
+{
+ return FIRE_IMAP_BASE + (ino * 8UL);
+}
+
+static unsigned long fire_iclr_offset(unsigned long ino)
+{
+ return FIRE_ICLR_BASE + (ino * 8UL);
+}
+
+static unsigned long fire_ino_to_iclr(unsigned long pbm_regs,
+ unsigned int ino)
+{
+ return pbm_regs + fire_iclr_offset(ino);
+}
+
+static unsigned long fire_ino_to_imap(unsigned long pbm_regs,
+ unsigned int ino)
+{
+ return pbm_regs + fire_imap_offset(ino);
+}
+
+static unsigned int fire_irq_build(struct device_node *dp,
+ unsigned int ino,
+ void *_data)
+{
+ struct fire_irq_data *irq_data = _data;
+ unsigned long pbm_regs = irq_data->pbm_regs;
+ unsigned long imap, iclr;
+ unsigned long int_ctrlr;
+
+ ino &= 0x3f;
+
+ /* Now build the IRQ bucket. */
+ imap = fire_ino_to_imap(pbm_regs, ino);
+ iclr = fire_ino_to_iclr(pbm_regs, ino);
+
+ /* Set the interrupt controller number. */
+ int_ctrlr = 1 << 6;
+ upa_writeq(int_ctrlr, imap);
+
+ /* 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
+ * 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().
+ */
+ ino |= (irq_data->portid << 6);
+ ino -= int_ctrlr;
+ return build_irq(ino, iclr, imap);
+}
+
+static void __init fire_irq_trans_init(struct device_node *dp)
+{
+ const struct linux_prom64_registers *regs;
+ struct fire_irq_data *irq_data;
+
+ dp->irq_trans = prom_early_alloc(sizeof(struct of_irq_controller));
+ dp->irq_trans->irq_build = fire_irq_build;
+
+ irq_data = prom_early_alloc(sizeof(struct fire_irq_data));
+
+ regs = of_get_property(dp, "reg", NULL);
+ dp->irq_trans->data = irq_data;
+
+ irq_data->pbm_regs = regs[0].phys_addr;
+ irq_data->portid = of_getintprop_default(dp, "portid", 0);
+}
#endif /* CONFIG_PCI */
#ifdef CONFIG_SBUS
@@ -940,7 +1020,7 @@ static unsigned int sbus_of_build_irq(struct device_node *dp,
void *_data)
{
unsigned long reg_base = (unsigned long) _data;
- struct linux_prom_registers *regs;
+ const struct linux_prom_registers *regs;
unsigned long imap, iclr;
int sbus_slot = 0;
int sbus_level = 0;
@@ -992,9 +1072,9 @@ static unsigned int sbus_of_build_irq(struct device_node *dp,
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)
{
- struct linux_prom64_registers *regs;
+ const struct linux_prom64_registers *regs;
dp->irq_trans = prom_early_alloc(sizeof(struct of_irq_controller));
dp->irq_trans->irq_build = sbus_of_build_irq;
@@ -1039,7 +1119,7 @@ static unsigned int central_build_irq(struct device_node *dp,
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;
@@ -1053,7 +1133,7 @@ struct irq_trans {
};
#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 },
@@ -1066,6 +1146,7 @@ static struct irq_trans pci_irq_trans_table[] = {
{ "SUNW,tomatillo", tomatillo_irq_trans_init },
{ "pci108e,a801", tomatillo_irq_trans_init },
{ "SUNW,sun4v-pci", pci_sun4v_irq_trans_init },
+ { "pciex108e,80f0", fire_irq_trans_init },
};
#endif
@@ -1078,9 +1159,9 @@ static unsigned int sun4v_vdev_irq_build(struct device_node *dp,
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)
{
- struct linux_prom64_registers *regs;
+ const struct linux_prom64_registers *regs;
dp->irq_trans = prom_early_alloc(sizeof(struct of_irq_controller));
dp->irq_trans->irq_build = sun4v_vdev_irq_build;
@@ -1090,7 +1171,7 @@ static void sun4v_vdev_irq_trans_init(struct device_node *dp)
((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;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-02-23 18:56:07 +0000