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-rw-r--r--arch/sparc64/kernel/devices.c3
-rw-r--r--arch/sparc64/kernel/head.S13
-rw-r--r--arch/sparc64/kernel/of_device.c348
-rw-r--r--arch/sparc64/kernel/pci_psycho.c6
-rw-r--r--arch/sparc64/kernel/prom.c65
-rw-r--r--arch/sparc64/kernel/setup.c2
-rw-r--r--arch/sparc64/kernel/sparc64_ksyms.c11
-rw-r--r--arch/sparc64/kernel/sys_sparc.c18
-rw-r--r--arch/sparc64/kernel/time.c7
9 files changed, 283 insertions, 190 deletions
diff --git a/arch/sparc64/kernel/devices.c b/arch/sparc64/kernel/devices.c
index f8ef2f2b9b3..ec10f7edcf8 100644
--- a/arch/sparc64/kernel/devices.c
+++ b/arch/sparc64/kernel/devices.c
@@ -66,9 +66,6 @@ static int check_cpu_node(struct device_node *dp, int *cur_inst,
void *compare_arg,
struct device_node **dev_node, int *mid)
{
- if (strcmp(dp->type, "cpu"))
- return -ENODEV;
-
if (!compare(dp, *cur_inst, compare_arg)) {
if (dev_node)
*dev_node = dp;
diff --git a/arch/sparc64/kernel/head.S b/arch/sparc64/kernel/head.S
index 75684b56767..c8e9dc9d68a 100644
--- a/arch/sparc64/kernel/head.S
+++ b/arch/sparc64/kernel/head.S
@@ -551,9 +551,10 @@ setup_trap_table:
save %sp, -192, %sp
/* Force interrupts to be disabled. */
- rdpr %pstate, %o1
- andn %o1, PSTATE_IE, %o1
+ rdpr %pstate, %l0
+ andn %l0, PSTATE_IE, %o1
wrpr %o1, 0x0, %pstate
+ rdpr %pil, %l1
wrpr %g0, 15, %pil
/* Make the firmware call to jump over to the Linux trap table. */
@@ -622,11 +623,9 @@ setup_trap_table:
call init_irqwork_curcpu
nop
- /* Now we can turn interrupts back on. */
- rdpr %pstate, %o1
- or %o1, PSTATE_IE, %o1
- wrpr %o1, 0, %pstate
- wrpr %g0, 0x0, %pil
+ /* Now we can restore interrupt state. */
+ wrpr %l0, 0, %pstate
+ wrpr %l1, 0x0, %pil
ret
restore
diff --git a/arch/sparc64/kernel/of_device.c b/arch/sparc64/kernel/of_device.c
index 169b017eec0..238bbf6de07 100644
--- a/arch/sparc64/kernel/of_device.c
+++ b/arch/sparc64/kernel/of_device.c
@@ -210,7 +210,7 @@ struct bus_type of_bus_type = {
};
EXPORT_SYMBOL(of_bus_type);
-static inline u64 of_read_addr(u32 *cell, int size)
+static inline u64 of_read_addr(const u32 *cell, int size)
{
u64 r = 0;
while (size--)
@@ -236,8 +236,8 @@ struct of_bus {
int (*match)(struct device_node *parent);
void (*count_cells)(struct device_node *child,
int *addrc, int *sizec);
- u64 (*map)(u32 *addr, u32 *range, int na, int ns, int pna);
- int (*translate)(u32 *addr, u64 offset, int na);
+ int (*map)(u32 *addr, const u32 *range,
+ int na, int ns, int pna);
unsigned int (*get_flags)(u32 *addr);
};
@@ -251,27 +251,49 @@ static void of_bus_default_count_cells(struct device_node *dev,
get_cells(dev, addrc, sizec);
}
-static u64 of_bus_default_map(u32 *addr, u32 *range, int na, int ns, int pna)
+/* Make sure the least significant 64-bits are in-range. Even
+ * for 3 or 4 cell values it is a good enough approximation.
+ */
+static int of_out_of_range(const u32 *addr, const u32 *base,
+ const u32 *size, int na, int ns)
{
- u64 cp, s, da;
+ u64 a = of_read_addr(addr, na);
+ u64 b = of_read_addr(base, na);
+
+ if (a < b)
+ return 1;
- cp = of_read_addr(range, na);
- s = of_read_addr(range + na + pna, ns);
- da = of_read_addr(addr, na);
+ b += of_read_addr(size, ns);
+ if (a >= b)
+ return 1;
- if (da < cp || da >= (cp + s))
- return OF_BAD_ADDR;
- return da - cp;
+ return 0;
}
-static int of_bus_default_translate(u32 *addr, u64 offset, int na)
+static int of_bus_default_map(u32 *addr, const u32 *range,
+ int na, int ns, int pna)
{
- u64 a = of_read_addr(addr, na);
- memset(addr, 0, na * 4);
- a += offset;
- if (na > 1)
- addr[na - 2] = a >> 32;
- addr[na - 1] = a & 0xffffffffu;
+ u32 result[OF_MAX_ADDR_CELLS];
+ int i;
+
+ if (ns > 2) {
+ printk("of_device: Cannot handle size cells (%d) > 2.", ns);
+ return -EINVAL;
+ }
+
+ if (of_out_of_range(addr, range, range + na + pna, na, ns))
+ return -EINVAL;
+
+ /* Start with the parent range base. */
+ memcpy(result, range + na, pna * 4);
+
+ /* Add in the child address offset. */
+ for (i = 0; i < na; i++)
+ result[pna - 1 - i] +=
+ (addr[na - 1 - i] -
+ range[na - 1 - i]);
+
+ memcpy(addr, result, pna * 4);
return 0;
}
@@ -287,7 +309,20 @@ static unsigned int of_bus_default_get_flags(u32 *addr)
static int of_bus_pci_match(struct device_node *np)
{
- return !strcmp(np->type, "pci") || !strcmp(np->type, "pciex");
+ if (!strcmp(np->type, "pci") || !strcmp(np->type, "pciex")) {
+ /* Do not do PCI specific frobbing if the
+ * PCI bridge lacks a ranges property. We
+ * want to pass it through up to the next
+ * parent as-is, not with the PCI translate
+ * method which chops off the top address cell.
+ */
+ if (!of_find_property(np, "ranges", NULL))
+ return 0;
+
+ return 1;
+ }
+
+ return 0;
}
static void of_bus_pci_count_cells(struct device_node *np,
@@ -299,27 +334,32 @@ static void of_bus_pci_count_cells(struct device_node *np,
*sizec = 2;
}
-static u64 of_bus_pci_map(u32 *addr, u32 *range, int na, int ns, int pna)
+static int of_bus_pci_map(u32 *addr, const u32 *range,
+ int na, int ns, int pna)
{
- u64 cp, s, da;
+ u32 result[OF_MAX_ADDR_CELLS];
+ int i;
/* Check address type match */
if ((addr[0] ^ range[0]) & 0x03000000)
- return OF_BAD_ADDR;
+ return -EINVAL;
- /* Read address values, skipping high cell */
- cp = of_read_addr(range + 1, na - 1);
- s = of_read_addr(range + na + pna, ns);
- da = of_read_addr(addr + 1, na - 1);
+ if (of_out_of_range(addr + 1, range + 1, range + na + pna,
+ na - 1, ns))
+ return -EINVAL;
- if (da < cp || da >= (cp + s))
- return OF_BAD_ADDR;
- return da - cp;
-}
+ /* Start with the parent range base. */
+ memcpy(result, range + na, pna * 4);
-static int of_bus_pci_translate(u32 *addr, u64 offset, int na)
-{
- return of_bus_default_translate(addr + 1, offset, na - 1);
+ /* Add in the child address offset, skipping high cell. */
+ for (i = 0; i < na - 1; i++)
+ result[pna - 1 - i] +=
+ (addr[na - 1 - i] -
+ range[na - 1 - i]);
+
+ memcpy(addr, result, pna * 4);
+
+ return 0;
}
static unsigned int of_bus_pci_get_flags(u32 *addr)
@@ -340,59 +380,6 @@ static unsigned int of_bus_pci_get_flags(u32 *addr)
}
/*
- * ISA bus specific translator
- */
-
-static int of_bus_isa_match(struct device_node *np)
-{
- return !strcmp(np->name, "isa");
-}
-
-static void of_bus_isa_count_cells(struct device_node *child,
- int *addrc, int *sizec)
-{
- if (addrc)
- *addrc = 2;
- if (sizec)
- *sizec = 1;
-}
-
-static u64 of_bus_isa_map(u32 *addr, u32 *range, int na, int ns, int pna)
-{
- u64 cp, s, da;
-
- /* Check address type match */
- if ((addr[0] ^ range[0]) & 0x00000001)
- return OF_BAD_ADDR;
-
- /* Read address values, skipping high cell */
- cp = of_read_addr(range + 1, na - 1);
- s = of_read_addr(range + na + pna, ns);
- da = of_read_addr(addr + 1, na - 1);
-
- if (da < cp || da >= (cp + s))
- return OF_BAD_ADDR;
- return da - cp;
-}
-
-static int of_bus_isa_translate(u32 *addr, u64 offset, int na)
-{
- return of_bus_default_translate(addr + 1, offset, na - 1);
-}
-
-static unsigned int of_bus_isa_get_flags(u32 *addr)
-{
- unsigned int flags = 0;
- u32 w = addr[0];
-
- if (w & 1)
- flags |= IORESOURCE_IO;
- else
- flags |= IORESOURCE_MEM;
- return flags;
-}
-
-/*
* SBUS bus specific translator
*/
@@ -411,16 +398,11 @@ static void of_bus_sbus_count_cells(struct device_node *child,
*sizec = 1;
}
-static u64 of_bus_sbus_map(u32 *addr, u32 *range, int na, int ns, int pna)
+static int of_bus_sbus_map(u32 *addr, const u32 *range, int na, int ns, int pna)
{
return of_bus_default_map(addr, range, na, ns, pna);
}
-static int of_bus_sbus_translate(u32 *addr, u64 offset, int na)
-{
- return of_bus_default_translate(addr, offset, na);
-}
-
static unsigned int of_bus_sbus_get_flags(u32 *addr)
{
return IORESOURCE_MEM;
@@ -439,19 +421,8 @@ static struct of_bus of_busses[] = {
.match = of_bus_pci_match,
.count_cells = of_bus_pci_count_cells,
.map = of_bus_pci_map,
- .translate = of_bus_pci_translate,
.get_flags = of_bus_pci_get_flags,
},
- /* ISA */
- {
- .name = "isa",
- .addr_prop_name = "reg",
- .match = of_bus_isa_match,
- .count_cells = of_bus_isa_count_cells,
- .map = of_bus_isa_map,
- .translate = of_bus_isa_translate,
- .get_flags = of_bus_isa_get_flags,
- },
/* SBUS */
{
.name = "sbus",
@@ -459,7 +430,6 @@ static struct of_bus of_busses[] = {
.match = of_bus_sbus_match,
.count_cells = of_bus_sbus_count_cells,
.map = of_bus_sbus_map,
- .translate = of_bus_sbus_translate,
.get_flags = of_bus_sbus_get_flags,
},
/* Default */
@@ -469,7 +439,6 @@ static struct of_bus of_busses[] = {
.match = NULL,
.count_cells = of_bus_default_count_cells,
.map = of_bus_default_map,
- .translate = of_bus_default_translate,
.get_flags = of_bus_default_get_flags,
},
};
@@ -494,33 +463,62 @@ static int __init build_one_resource(struct device_node *parent,
u32 *ranges;
unsigned int rlen;
int rone;
- u64 offset = OF_BAD_ADDR;
ranges = of_get_property(parent, "ranges", &rlen);
if (ranges == NULL || rlen == 0) {
- offset = of_read_addr(addr, na);
- memset(addr, 0, pna * 4);
- goto finish;
+ u32 result[OF_MAX_ADDR_CELLS];
+ int i;
+
+ memset(result, 0, pna * 4);
+ for (i = 0; i < na; i++)
+ result[pna - 1 - i] =
+ addr[na - 1 - i];
+
+ memcpy(addr, result, pna * 4);
+ return 0;
}
/* Now walk through the ranges */
rlen /= 4;
rone = na + pna + ns;
for (; rlen >= rone; rlen -= rone, ranges += rone) {
- offset = bus->map(addr, ranges, na, ns, pna);
- if (offset != OF_BAD_ADDR)
- break;
+ if (!bus->map(addr, ranges, na, ns, pna))
+ return 0;
}
- if (offset == OF_BAD_ADDR)
+
+ return 1;
+}
+
+static int __init use_1to1_mapping(struct device_node *pp)
+{
+ char *model;
+
+ /* If this is on the PMU bus, don't try to translate it even
+ * if a ranges property exists.
+ */
+ if (!strcmp(pp->name, "pmu"))
return 1;
- memcpy(addr, ranges + na, 4 * pna);
+ /* If we have a ranges property in the parent, use it. */
+ if (of_find_property(pp, "ranges", NULL) != NULL)
+ return 0;
+
+ /* If the parent is the dma node of an ISA bus, pass
+ * the translation up to the root.
+ */
+ if (!strcmp(pp->name, "dma"))
+ return 0;
+
+ /* Similarly for Simba PCI bridges. */
+ model = of_get_property(pp, "model", NULL);
+ if (model && !strcmp(model, "SUNW,simba"))
+ return 0;
-finish:
- /* Translate it into parent bus space */
- return pbus->translate(addr, offset, pna);
+ return 1;
}
+static int of_resource_verbose;
+
static void __init build_device_resources(struct of_device *op,
struct device *parent)
{
@@ -544,9 +542,17 @@ static void __init build_device_resources(struct of_device *op,
/* Convert to num-cells. */
num_reg /= 4;
- /* Conver to num-entries. */
+ /* Convert to num-entries. */
num_reg /= na + ns;
+ /* Prevent overruning the op->resources[] array. */
+ if (num_reg > PROMREG_MAX) {
+ printk(KERN_WARNING "%s: Too many regs (%d), "
+ "limiting to %d.\n",
+ op->node->full_name, num_reg, PROMREG_MAX);
+ num_reg = PROMREG_MAX;
+ }
+
for (index = 0; index < num_reg; index++) {
struct resource *r = &op->resource[index];
u32 addr[OF_MAX_ADDR_CELLS];
@@ -564,15 +570,7 @@ static void __init build_device_resources(struct of_device *op,
memcpy(addr, reg, na * 4);
- /* If the immediate parent has no ranges property to apply,
- * just use a 1<->1 mapping. Unless it is the 'dma' child
- * of an isa bus, which must be passed up towards the root.
- *
- * Also, don't try to translate PMU bus device registers.
- */
- if ((of_find_property(pp, "ranges", NULL) == NULL &&
- strcmp(pp->name, "dma") != 0) ||
- !strcmp(pp->name, "pmu")) {
+ if (use_1to1_mapping(pp)) {
result = of_read_addr(addr, na);
goto build_res;
}
@@ -591,7 +589,8 @@ static void __init build_device_resources(struct of_device *op,
pbus = of_match_bus(pp);
pbus->count_cells(dp, &pna, &pns);
- if (build_one_resource(dp, bus, pbus, addr, dna, dns, pna))
+ if (build_one_resource(dp, bus, pbus, addr,
+ dna, dns, pna))
break;
dna = pna;
@@ -601,6 +600,12 @@ static void __init build_device_resources(struct of_device *op,
build_res:
memset(r, 0, sizeof(*r));
+
+ if (of_resource_verbose)
+ printk("%s reg[%d] -> %lx\n",
+ op->node->full_name, index,
+ result);
+
if (result != OF_BAD_ADDR) {
if (tlb_type == hypervisor)
result &= 0x0fffffffffffffffUL;
@@ -653,8 +658,22 @@ apply_interrupt_map(struct device_node *dp, struct device_node *pp,
next:
imap += (na + 3);
}
- if (i == imlen)
+ if (i == imlen) {
+ /* Psycho and Sabre PCI controllers can have 'interrupt-map'
+ * properties that do not include the on-board device
+ * interrupts. Instead, the device's 'interrupts' property
+ * is already a fully specified INO value.
+ *
+ * Handle this by deciding that, if we didn't get a
+ * match in the parent's 'interrupt-map', and the
+ * parent is an IRQ translater, then use the parent as
+ * our IRQ controller.
+ */
+ if (pp->irq_trans)
+ return pp;
+
return NULL;
+ }
*irq_p = irq;
cp = of_find_node_by_phandle(handle);
@@ -684,6 +703,8 @@ static unsigned int __init pci_irq_swizzle(struct device_node *dp,
return ret;
}
+static int of_irq_verbose;
+
static unsigned int __init build_one_device_irq(struct of_device *op,
struct device *parent,
unsigned int irq)
@@ -698,10 +719,11 @@ static unsigned int __init build_one_device_irq(struct of_device *op,
if (dp->irq_trans) {
irq = dp->irq_trans->irq_build(dp, irq,
dp->irq_trans->data);
-#if 1
- printk("%s: direct translate %x --> %x\n",
- dp->full_name, orig_irq, irq);
-#endif
+
+ if (of_irq_verbose)
+ printk("%s: direct translate %x --> %x\n",
+ dp->full_name, orig_irq, irq);
+
return irq;
}
@@ -728,12 +750,13 @@ static unsigned int __init build_one_device_irq(struct of_device *op,
iret = apply_interrupt_map(dp, pp,
imap, imlen, imsk,
&irq);
-#if 1
- printk("%s: Apply [%s:%x] imap --> [%s:%x]\n",
- op->node->full_name,
- pp->full_name, this_orig_irq,
- (iret ? iret->full_name : "NULL"), irq);
-#endif
+
+ if (of_irq_verbose)
+ printk("%s: Apply [%s:%x] imap --> [%s:%x]\n",
+ op->node->full_name,
+ pp->full_name, this_orig_irq,
+ (iret ? iret->full_name : "NULL"), irq);
+
if (!iret)
break;
@@ -747,11 +770,13 @@ static unsigned int __init build_one_device_irq(struct of_device *op,
unsigned int this_orig_irq = irq;
irq = pci_irq_swizzle(dp, pp, irq);
-#if 1
- printk("%s: PCI swizzle [%s] %x --> %x\n",
- op->node->full_name,
- pp->full_name, this_orig_irq, irq);
-#endif
+ if (of_irq_verbose)
+ printk("%s: PCI swizzle [%s] "
+ "%x --> %x\n",
+ op->node->full_name,
+ pp->full_name, this_orig_irq,
+ irq);
+
}
if (pp->irq_trans) {
@@ -767,10 +792,9 @@ static unsigned int __init build_one_device_irq(struct of_device *op,
irq = ip->irq_trans->irq_build(op->node, irq,
ip->irq_trans->data);
-#if 1
- printk("%s: Apply IRQ trans [%s] %x --> %x\n",
- op->node->full_name, ip->full_name, orig_irq, irq);
-#endif
+ if (of_irq_verbose)
+ printk("%s: Apply IRQ trans [%s] %x --> %x\n",
+ op->node->full_name, ip->full_name, orig_irq, irq);
return irq;
}
@@ -801,6 +825,14 @@ static struct of_device * __init scan_one_device(struct device_node *dp,
op->num_irqs = 0;
}
+ /* Prevent overruning the op->irqs[] array. */
+ if (op->num_irqs > PROMINTR_MAX) {
+ printk(KERN_WARNING "%s: Too many irqs (%d), "
+ "limiting to %d.\n",
+ dp->full_name, op->num_irqs, PROMINTR_MAX);
+ op->num_irqs = PROMINTR_MAX;
+ }
+
build_device_resources(op, parent);
for (i = 0; i < op->num_irqs; i++)
op->irqs[i] = build_one_device_irq(op, parent, op->irqs[i]);
@@ -870,6 +902,20 @@ static int __init of_bus_driver_init(void)
postcore_initcall(of_bus_driver_init);
+static int __init of_debug(char *str)
+{
+ int val = 0;
+
+ get_option(&str, &val);
+ if (val & 1)
+ of_resource_verbose = 1;
+ if (val & 2)
+ of_irq_verbose = 1;
+ return 1;
+}
+
+__setup("of_debug=", of_debug);
+
int of_register_driver(struct of_platform_driver *drv, struct bus_type *bus)
{
/* initialize common driver fields */
@@ -922,9 +968,11 @@ int of_device_register(struct of_device *ofdev)
if (rc)
return rc;
- device_create_file(&ofdev->dev, &dev_attr_devspec);
+ rc = device_create_file(&ofdev->dev, &dev_attr_devspec);
+ if (rc)
+ device_unregister(&ofdev->dev);
- return 0;
+ return rc;
}
void of_device_unregister(struct of_device *ofdev)
diff --git a/arch/sparc64/kernel/pci_psycho.c b/arch/sparc64/kernel/pci_psycho.c
index 197a7ffd57e..1ec0aab68c0 100644
--- a/arch/sparc64/kernel/pci_psycho.c
+++ b/arch/sparc64/kernel/pci_psycho.c
@@ -1099,9 +1099,6 @@ static void pbm_register_toplevel_resources(struct pci_controller_info *p,
{
char *name = pbm->name;
- sprintf(name, "PSYCHO%d PBM%c",
- p->index,
- (pbm == &p->pbm_A ? 'A' : 'B'));
pbm->io_space.name = pbm->mem_space.name = name;
request_resource(&ioport_resource, &pbm->io_space);
@@ -1203,12 +1200,13 @@ static void psycho_pbm_init(struct pci_controller_info *p,
pbm->io_space.flags = IORESOURCE_IO;
pbm->mem_space.end = pbm->mem_space.start + PSYCHO_MEMSPACE_SIZE;
pbm->mem_space.flags = IORESOURCE_MEM;
- pbm_register_toplevel_resources(p, pbm);
pbm->parent = p;
pbm->prom_node = dp;
pbm->name = dp->full_name;
+ pbm_register_toplevel_resources(p, pbm);
+
printk("%s: PSYCHO PCI Bus Module ver[%x:%x]\n",
pbm->name,
pbm->chip_version, pbm->chip_revision);
diff --git a/arch/sparc64/kernel/prom.c b/arch/sparc64/kernel/prom.c
index fa484d4f241..5cc5ab63293 100644
--- a/arch/sparc64/kernel/prom.c
+++ b/arch/sparc64/kernel/prom.c
@@ -344,10 +344,12 @@ static unsigned long __psycho_onboard_imap_off[] = {
/*0x2f*/ PSYCHO_IMAP_CE,
/*0x30*/ PSYCHO_IMAP_A_ERR,
/*0x31*/ PSYCHO_IMAP_B_ERR,
-/*0x32*/ PSYCHO_IMAP_PMGMT
+/*0x32*/ PSYCHO_IMAP_PMGMT,
+/*0x33*/ PSYCHO_IMAP_GFX,
+/*0x34*/ PSYCHO_IMAP_EUPA,
};
#define PSYCHO_ONBOARD_IRQ_BASE 0x20
-#define PSYCHO_ONBOARD_IRQ_LAST 0x32
+#define PSYCHO_ONBOARD_IRQ_LAST 0x34
#define psycho_onboard_imap_offset(__ino) \
__psycho_onboard_imap_off[(__ino) - PSYCHO_ONBOARD_IRQ_BASE]
@@ -529,6 +531,10 @@ static unsigned long __sabre_onboard_imap_off[] = {
/*0x2e*/ SABRE_IMAP_UE,
/*0x2f*/ SABRE_IMAP_CE,
/*0x30*/ SABRE_IMAP_PCIERR,
+/*0x31*/ 0 /* reserved */,
+/*0x32*/ 0 /* reserved */,
+/*0x33*/ SABRE_IMAP_GFX,
+/*0x34*/ SABRE_IMAP_EUPA,
};
#define SABRE_ONBOARD_IRQ_BASE 0x20
#define SABRE_ONBOARD_IRQ_LAST 0x30
@@ -539,6 +545,45 @@ static unsigned long __sabre_onboard_imap_off[] = {
((ino & 0x20) ? (SABRE_ICLR_SCSI + (((ino) & 0x1f) << 3)) : \
(SABRE_ICLR_A_SLOT0 + (((ino) & 0x1f)<<3)))
+static int sabre_device_needs_wsync(struct device_node *dp)
+{
+ struct device_node *parent = dp->parent;
+ char *parent_model, *parent_compat;
+
+ /* This traversal up towards the root is meant to
+ * handle two cases:
+ *
+ * 1) non-PCI bus sitting under PCI, such as 'ebus'
+ * 2) the PCI controller interrupts themselves, which
+ * will use the sabre_irq_build but do not need
+ * the DMA synchronization handling
+ */
+ while (parent) {
+ if (!strcmp(parent->type, "pci"))
+ break;
+ parent = parent->parent;
+ }
+
+ if (!parent)
+ return 0;
+
+ parent_model = of_get_property(parent,
+ "model", NULL);
+ if (parent_model &&
+ (!strcmp(parent_model, "SUNW,sabre") ||
+ !strcmp(parent_model, "SUNW,simba")))
+ return 0;
+
+ parent_compat = of_get_property(parent,
+ "compatible", NULL);
+ if (parent_compat &&
+ (!strcmp(parent_compat, "pci108e,a000") ||
+ !strcmp(parent_compat, "pci108e,a001")))
+ return 0;
+
+ return 1;
+}
+
static unsigned int sabre_irq_build(struct device_node *dp,
unsigned int ino,
void *_data)
@@ -577,15 +622,17 @@ static unsigned int sabre_irq_build(struct device_node *dp,
virt_irq = build_irq(inofixup, iclr, imap);
+ /* If the parent device is a PCI<->PCI bridge other than
+ * APB, we have to install a pre-handler to ensure that
+ * all pending DMA is drained before the interrupt handler
+ * is run.
+ */
regs = of_get_property(dp, "reg", NULL);
- if (regs &&
- ((regs->phys_hi >> 16) & 0xff) != irq_data->pci_first_busno) {
+ if (regs && sabre_device_needs_wsync(dp)) {
irq_install_pre_handler(virt_irq,
sabre_wsync_handler,
(void *) (long) regs->phys_hi,
- (void *)
- controller_regs +
- SABRE_WRSYNC);
+ (void *) irq_data);
}
return virt_irq;
@@ -854,6 +901,8 @@ static unsigned long sysio_irq_offsets[] = {
SYSIO_IMAP_CE,
SYSIO_IMAP_SBERR,
SYSIO_IMAP_PMGMT,
+ SYSIO_IMAP_GFX,
+ SYSIO_IMAP_EUPA,
};
#undef bogon
@@ -1032,7 +1081,9 @@ static void sun4v_vdev_irq_trans_init(struct device_node *dp)
static void irq_trans_init(struct device_node *dp)
{
const char *model;
+#ifdef CONFIG_PCI
int i;
+#endif
model = of_get_property(dp, "model", NULL);
if (!model)
diff --git a/arch/sparc64/kernel/setup.c b/arch/sparc64/kernel/setup.c
index a73140466e0..958287448cf 100644
--- a/arch/sparc64/kernel/setup.c
+++ b/arch/sparc64/kernel/setup.c
@@ -16,7 +16,7 @@
#include <asm/smp.h>
#include <linux/user.h>
#include <linux/a.out.h>
-#include <linux/tty.h>
+#include <linux/screen_info.h>
#include <linux/delay.h>
#include <linux/fs.h>
#include <linux/seq_file.h>
diff --git a/arch/sparc64/kernel/sparc64_ksyms.c b/arch/sparc64/kernel/sparc64_ksyms.c
index 4173de425f0..beffc82a1e8 100644
--- a/arch/sparc64/kernel/sparc64_ksyms.c
+++ b/arch/sparc64/kernel/sparc64_ksyms.c
@@ -124,11 +124,6 @@ EXPORT_SYMBOL(__write_lock);
EXPORT_SYMBOL(__write_unlock);
EXPORT_SYMBOL(__write_trylock);
-#if defined(CONFIG_MCOUNT)
-extern void _mcount(void);
-EXPORT_SYMBOL(_mcount);
-#endif
-
/* CPU online map and active count. */
EXPORT_SYMBOL(cpu_online_map);
EXPORT_SYMBOL(phys_cpu_present_map);
@@ -136,6 +131,11 @@ EXPORT_SYMBOL(phys_cpu_present_map);
EXPORT_SYMBOL(smp_call_function);
#endif /* CONFIG_SMP */
+#if defined(CONFIG_MCOUNT)
+extern void _mcount(void);
+EXPORT_SYMBOL(_mcount);
+#endif
+
EXPORT_SYMBOL(sparc64_get_clock_tick);
/* semaphores */
@@ -254,7 +254,6 @@ EXPORT_SYMBOL(prom_getproperty);
EXPORT_SYMBOL(prom_node_has_property);
EXPORT_SYMBOL(prom_setprop);
EXPORT_SYMBOL(saved_command_line);
-EXPORT_SYMBOL(prom_getname);
EXPORT_SYMBOL(prom_finddevice);
EXPORT_SYMBOL(prom_feval);
EXPORT_SYMBOL(prom_getbool);
diff --git a/arch/sparc64/kernel/sys_sparc.c b/arch/sparc64/kernel/sys_sparc.c
index 51c056df528..054d0abdb7e 100644
--- a/arch/sparc64/kernel/sys_sparc.c
+++ b/arch/sparc64/kernel/sys_sparc.c
@@ -701,21 +701,21 @@ extern void check_pending(int signum);
asmlinkage long sys_getdomainname(char __user *name, int len)
{
- int nlen;
- int err = -EFAULT;
+ int nlen, err;
+
+ if (len < 0 || len > __NEW_UTS_LEN)
+ return -EINVAL;
down_read(&uts_sem);
nlen = strlen(system_utsname.domainname) + 1;
-
if (nlen < len)
len = nlen;
- if (len > __NEW_UTS_LEN)
- goto done;
- if (copy_to_user(name, system_utsname.domainname, len))
- goto done;
- err = 0;
-done:
+
+ err = -EFAULT;
+ if (!copy_to_user(name, system_utsname.domainname, len))
+ err = 0;
+
up_read(&uts_sem);
return err;
}
diff --git a/arch/sparc64/kernel/time.c b/arch/sparc64/kernel/time.c
index 8dcbfbffacc..094d3e35be1 100644
--- a/arch/sparc64/kernel/time.c
+++ b/arch/sparc64/kernel/time.c
@@ -788,12 +788,15 @@ static int __devinit clock_probe(struct of_device *op, const struct of_device_id
if (!regs)
return -ENOMEM;
+#ifdef CONFIG_PCI
if (!strcmp(model, "ds1287") ||
!strcmp(model, "m5819") ||
!strcmp(model, "m5819p") ||
!strcmp(model, "m5823")) {
ds1287_regs = (unsigned long) regs;
- } else if (model[5] == '0' && model[6] == '2') {
+ } else
+#endif
+ if (model[5] == '0' && model[6] == '2') {
mstk48t02_regs = regs;
} else if(model[5] == '0' && model[6] == '8') {
mstk48t08_regs = regs;
@@ -925,8 +928,6 @@ static void sparc64_start_timers(void)
__asm__ __volatile__("wrpr %0, 0x0, %%pstate"
: /* no outputs */
: "r" (pstate));
-
- local_irq_enable();
}
struct freq_table {
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-23 13:41:50 +0000