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-rw-r--r--arch/sparc64/kernel/binfmt_aout32.c4
-rw-r--r--arch/sparc64/kernel/ebus.c5
-rw-r--r--arch/sparc64/kernel/head.S35
-rw-r--r--arch/sparc64/kernel/irq.c27
-rw-r--r--arch/sparc64/kernel/mdesc.c6
-rw-r--r--arch/sparc64/kernel/pci.c14
-rw-r--r--arch/sparc64/kernel/pci_common.c4
-rw-r--r--arch/sparc64/kernel/pci_sun4v.c18
-rw-r--r--arch/sparc64/kernel/prom.c9
-rw-r--r--arch/sparc64/kernel/smp.c2
-rw-r--r--arch/sparc64/kernel/trampoline.S33
-rw-r--r--arch/sparc64/kernel/vio.c29
12 files changed, 150 insertions, 36 deletions
diff --git a/arch/sparc64/kernel/binfmt_aout32.c b/arch/sparc64/kernel/binfmt_aout32.c
index f205fc7cbcd0..d208cc7804f2 100644
--- a/arch/sparc64/kernel/binfmt_aout32.c
+++ b/arch/sparc64/kernel/binfmt_aout32.c
@@ -177,7 +177,7 @@ static u32 __user *create_aout32_tables(char __user *p, struct linux_binprm *bpr
get_user(c,p++);
} while (c);
}
- put_user(NULL,argv);
+ put_user(0,argv);
current->mm->arg_end = current->mm->env_start = (unsigned long) p;
while (envc-->0) {
char c;
@@ -186,7 +186,7 @@ static u32 __user *create_aout32_tables(char __user *p, struct linux_binprm *bpr
get_user(c,p++);
} while (c);
}
- put_user(NULL,envp);
+ put_user(0,envp);
current->mm->env_end = (unsigned long) p;
return sp;
}
diff --git a/arch/sparc64/kernel/ebus.c b/arch/sparc64/kernel/ebus.c
index bc9ae36f7a43..04ab81cb4f48 100644
--- a/arch/sparc64/kernel/ebus.c
+++ b/arch/sparc64/kernel/ebus.c
@@ -375,7 +375,10 @@ static void __init fill_ebus_device(struct device_node *dp, struct linux_ebus_de
dev->num_addrs = 0;
dev->num_irqs = 0;
} else {
- (void) of_get_property(dp, "reg", &len);
+ const int *regs = of_get_property(dp, "reg", &len);
+
+ if (!regs)
+ len = 0;
dev->num_addrs = len / sizeof(struct linux_prom_registers);
for (i = 0; i < dev->num_addrs; i++)
diff --git a/arch/sparc64/kernel/head.S b/arch/sparc64/kernel/head.S
index 63144ad476f6..c4147ad8677b 100644
--- a/arch/sparc64/kernel/head.S
+++ b/arch/sparc64/kernel/head.S
@@ -98,7 +98,7 @@ sparc64_boot:
.globl prom_boot_mapped_pc, prom_boot_mapping_mode
.globl prom_boot_mapping_phys_high, prom_boot_mapping_phys_low
.globl prom_compatible_name, prom_cpu_path, prom_cpu_compatible
- .globl is_sun4v, sun4v_chip_type
+ .globl is_sun4v, sun4v_chip_type, prom_set_trap_table_name
prom_peer_name:
.asciz "peer"
prom_compatible_name:
@@ -121,6 +121,8 @@ prom_map_name:
.asciz "map"
prom_unmap_name:
.asciz "unmap"
+prom_set_trap_table_name:
+ .asciz "SUNW,set-trap-table"
prom_sun4v_name:
.asciz "sun4v"
prom_niagara_prefix:
@@ -691,15 +693,38 @@ setup_trap_table:
sethi %hi(kern_base), %g3
ldx [%g3 + %lo(kern_base)], %g3
add %g2, %g3, %o1
+ sethi %hi(sparc64_ttable_tl0), %o0
- call prom_set_trap_table_sun4v
- sethi %hi(sparc64_ttable_tl0), %o0
+ set prom_set_trap_table_name, %g2
+ stx %g2, [%sp + 2047 + 128 + 0x00]
+ mov 2, %g2
+ stx %g2, [%sp + 2047 + 128 + 0x08]
+ mov 0, %g2
+ stx %g2, [%sp + 2047 + 128 + 0x10]
+ stx %o0, [%sp + 2047 + 128 + 0x18]
+ stx %o1, [%sp + 2047 + 128 + 0x20]
+ sethi %hi(p1275buf), %g2
+ or %g2, %lo(p1275buf), %g2
+ ldx [%g2 + 0x08], %o1
+ call %o1
+ add %sp, (2047 + 128), %o0
ba,pt %xcc, 2f
nop
-1: call prom_set_trap_table
- sethi %hi(sparc64_ttable_tl0), %o0
+1: sethi %hi(sparc64_ttable_tl0), %o0
+ set prom_set_trap_table_name, %g2
+ stx %g2, [%sp + 2047 + 128 + 0x00]
+ mov 1, %g2
+ stx %g2, [%sp + 2047 + 128 + 0x08]
+ mov 0, %g2
+ stx %g2, [%sp + 2047 + 128 + 0x10]
+ stx %o0, [%sp + 2047 + 128 + 0x18]
+ sethi %hi(p1275buf), %g2
+ or %g2, %lo(p1275buf), %g2
+ ldx [%g2 + 0x08], %o1
+ call %o1
+ add %sp, (2047 + 128), %o0
/* Start using proper page size encodings in ctx register. */
2: sethi %hi(sparc64_kern_pri_context), %g3
diff --git a/arch/sparc64/kernel/irq.c b/arch/sparc64/kernel/irq.c
index 384abf410cf0..23956096b3bf 100644
--- a/arch/sparc64/kernel/irq.c
+++ b/arch/sparc64/kernel/irq.c
@@ -217,8 +217,27 @@ struct irq_handler_data {
void (*pre_handler)(unsigned int, void *, void *);
void *pre_handler_arg1;
void *pre_handler_arg2;
+
+ u32 msi;
};
+void sparc64_set_msi(unsigned int virt_irq, u32 msi)
+{
+ struct irq_handler_data *data = get_irq_chip_data(virt_irq);
+
+ if (data)
+ data->msi = msi;
+}
+
+u32 sparc64_get_msi(unsigned int virt_irq)
+{
+ struct irq_handler_data *data = get_irq_chip_data(virt_irq);
+
+ if (data)
+ return data->msi;
+ return 0xffffffff;
+}
+
static inline struct ino_bucket *virt_irq_to_bucket(unsigned int virt_irq)
{
unsigned int real_irq = virt_to_real_irq(virt_irq);
@@ -308,7 +327,7 @@ static void sun4u_irq_disable(unsigned int virt_irq)
if (likely(data)) {
unsigned long imap = data->imap;
- u32 tmp = upa_readq(imap);
+ unsigned long tmp = upa_readq(imap);
tmp &= ~IMAP_VALID;
upa_writeq(tmp, imap);
@@ -741,7 +760,7 @@ unsigned int sun4v_build_msi(u32 devhandle, unsigned int *virt_irq_p,
break;
}
if (devino >= msi_end)
- return 0;
+ return -ENOSPC;
sysino = sun4v_devino_to_sysino(devhandle, devino);
bucket = &ivector_table[sysino];
@@ -755,8 +774,8 @@ unsigned int sun4v_build_msi(u32 devhandle, unsigned int *virt_irq_p,
data = kzalloc(sizeof(struct irq_handler_data), GFP_ATOMIC);
if (unlikely(!data)) {
- prom_printf("IRQ: kzalloc(irq_handler_data) failed.\n");
- prom_halt();
+ virt_irq_free(*virt_irq_p);
+ return -ENOMEM;
}
set_irq_chip_data(bucket->virt_irq, data);
diff --git a/arch/sparc64/kernel/mdesc.c b/arch/sparc64/kernel/mdesc.c
index 9f22e4ff6015..856659bb1311 100644
--- a/arch/sparc64/kernel/mdesc.c
+++ b/arch/sparc64/kernel/mdesc.c
@@ -777,8 +777,12 @@ void __devinit mdesc_fill_in_cpu_data(cpumask_t mask)
cpuid = *id;
#ifdef CONFIG_SMP
- if (cpuid >= NR_CPUS)
+ if (cpuid >= NR_CPUS) {
+ printk(KERN_WARNING "Ignoring CPU %d which is "
+ ">= NR_CPUS (%d)\n",
+ cpuid, NR_CPUS);
continue;
+ }
if (!cpu_isset(cpuid, mask))
continue;
#else
diff --git a/arch/sparc64/kernel/pci.c b/arch/sparc64/kernel/pci.c
index 3d93e9203ba2..e8dac81d8a0d 100644
--- a/arch/sparc64/kernel/pci.c
+++ b/arch/sparc64/kernel/pci.c
@@ -393,7 +393,6 @@ struct pci_dev *of_create_pci_dev(struct pci_pbm_info *pbm,
sd->host_controller = pbm;
sd->prom_node = node;
sd->op = of_find_device_by_node(node);
- sd->msi_num = 0xffffffff;
sd = &sd->op->dev.archdata;
sd->iommu = pbm->iommu;
@@ -745,7 +744,7 @@ static void __devinit pci_of_scan_bus(struct pci_pbm_info *pbm,
{
struct device_node *child;
const u32 *reg;
- int reglen, devfn;
+ int reglen, devfn, prev_devfn;
struct pci_dev *dev;
if (ofpci_verbose)
@@ -753,14 +752,25 @@ static void __devinit pci_of_scan_bus(struct pci_pbm_info *pbm,
node->full_name, bus->number);
child = NULL;
+ prev_devfn = -1;
while ((child = of_get_next_child(node, child)) != NULL) {
if (ofpci_verbose)
printk(" * %s\n", child->full_name);
reg = of_get_property(child, "reg", &reglen);
if (reg == NULL || reglen < 20)
continue;
+
devfn = (reg[0] >> 8) & 0xff;
+ /* This is a workaround for some device trees
+ * which list PCI devices twice. On the V100
+ * for example, device number 3 is listed twice.
+ * Once as "pm" and once again as "lomp".
+ */
+ if (devfn == prev_devfn)
+ continue;
+ prev_devfn = devfn;
+
/* create a new pci_dev for this device */
dev = of_create_pci_dev(pbm, child, bus, devfn, 0);
if (!dev)
diff --git a/arch/sparc64/kernel/pci_common.c b/arch/sparc64/kernel/pci_common.c
index 2f61c4b12596..c76bfbb7da08 100644
--- a/arch/sparc64/kernel/pci_common.c
+++ b/arch/sparc64/kernel/pci_common.c
@@ -264,7 +264,7 @@ static int sun4v_read_pci_cfg(struct pci_bus *bus_dev, unsigned int devfn,
unsigned int func = PCI_FUNC(devfn);
unsigned long ret;
- if (bus_dev == pbm->pci_bus && devfn == 0x00)
+ if (!bus && devfn == 0x00)
return pci_host_bridge_read_pci_cfg(bus_dev, devfn, where,
size, value);
if (config_out_of_range(pbm, bus, devfn, where)) {
@@ -300,7 +300,7 @@ static int sun4v_write_pci_cfg(struct pci_bus *bus_dev, unsigned int devfn,
unsigned int func = PCI_FUNC(devfn);
unsigned long ret;
- if (bus_dev == pbm->pci_bus && devfn == 0x00)
+ if (!bus && devfn == 0x00)
return pci_host_bridge_write_pci_cfg(bus_dev, devfn, where,
size, value);
if (config_out_of_range(pbm, bus, devfn, where)) {
diff --git a/arch/sparc64/kernel/pci_sun4v.c b/arch/sparc64/kernel/pci_sun4v.c
index 466f4aa8fc82..da724b13e89e 100644
--- a/arch/sparc64/kernel/pci_sun4v.c
+++ b/arch/sparc64/kernel/pci_sun4v.c
@@ -940,13 +940,13 @@ static int pci_sun4v_setup_msi_irq(unsigned int *virt_irq_p,
if (msi_num < 0)
return msi_num;
- devino = sun4v_build_msi(pbm->devhandle, virt_irq_p,
- pbm->msiq_first_devino,
- (pbm->msiq_first_devino +
- pbm->msiq_num));
- err = -ENOMEM;
- if (!devino)
+ err = sun4v_build_msi(pbm->devhandle, virt_irq_p,
+ pbm->msiq_first_devino,
+ (pbm->msiq_first_devino +
+ pbm->msiq_num));
+ if (err < 0)
goto out_err;
+ devino = err;
msiqid = ((devino - pbm->msiq_first_devino) +
pbm->msiq_first);
@@ -971,7 +971,7 @@ static int pci_sun4v_setup_msi_irq(unsigned int *virt_irq_p,
if (pci_sun4v_msi_setvalid(pbm->devhandle, msi_num, HV_MSIVALID_VALID))
goto out_err;
- pdev->dev.archdata.msi_num = msi_num;
+ sparc64_set_msi(*virt_irq_p, msi_num);
if (entry->msi_attrib.is_64) {
msg.address_hi = pbm->msi64_start >> 32;
@@ -993,8 +993,6 @@ static int pci_sun4v_setup_msi_irq(unsigned int *virt_irq_p,
out_err:
free_msi(pbm, msi_num);
- sun4v_destroy_msi(*virt_irq_p);
- *virt_irq_p = 0;
return err;
}
@@ -1006,7 +1004,7 @@ static void pci_sun4v_teardown_msi_irq(unsigned int virt_irq,
unsigned long msiqid, err;
unsigned int msi_num;
- msi_num = pdev->dev.archdata.msi_num;
+ msi_num = sparc64_get_msi(virt_irq);
err = pci_sun4v_msi_getmsiq(pbm->devhandle, msi_num, &msiqid);
if (err) {
printk(KERN_ERR "%s: getmsiq gives error %lu\n",
diff --git a/arch/sparc64/kernel/prom.c b/arch/sparc64/kernel/prom.c
index d1a78c976cef..a246e962e5a7 100644
--- a/arch/sparc64/kernel/prom.c
+++ b/arch/sparc64/kernel/prom.c
@@ -1046,7 +1046,8 @@ static void __init irq_trans_init(struct device_node *dp)
if (!strcmp(dp->name, "fhc") &&
!strcmp(dp->parent->name, "central"))
return central_irq_trans_init(dp);
- if (!strcmp(dp->name, "virtual-devices"))
+ if (!strcmp(dp->name, "virtual-devices") ||
+ !strcmp(dp->name, "niu"))
return sun4v_vdev_irq_trans_init(dp);
}
@@ -1583,8 +1584,12 @@ static void __init of_fill_in_cpu_data(void)
ncpus_probed++;
#ifdef CONFIG_SMP
- if (cpuid >= NR_CPUS)
+ if (cpuid >= NR_CPUS) {
+ printk(KERN_WARNING "Ignoring CPU %d which is "
+ ">= NR_CPUS (%d)\n",
+ cpuid, NR_CPUS);
continue;
+ }
#else
/* On uniprocessor we only want the values for the
* real physical cpu the kernel booted onto, however
diff --git a/arch/sparc64/kernel/smp.c b/arch/sparc64/kernel/smp.c
index b84c49e3697c..c73b7a48b036 100644
--- a/arch/sparc64/kernel/smp.c
+++ b/arch/sparc64/kernel/smp.c
@@ -353,6 +353,8 @@ static int __devinit smp_boot_one_cpu(unsigned int cpu)
int timeout, ret;
p = fork_idle(cpu);
+ if (IS_ERR(p))
+ return PTR_ERR(p);
callin_flag = 0;
cpu_new_thread = task_thread_info(p);
diff --git a/arch/sparc64/kernel/trampoline.S b/arch/sparc64/kernel/trampoline.S
index 9533a25ce5d2..04e81dda13d0 100644
--- a/arch/sparc64/kernel/trampoline.S
+++ b/arch/sparc64/kernel/trampoline.S
@@ -345,7 +345,7 @@ after_lock_tlb:
sethi %hi(tramp_stack), %g1
or %g1, %lo(tramp_stack), %g1
add %g1, TRAMP_STACK_SIZE, %g1
- sub %g1, STACKFRAME_SZ + STACK_BIAS, %sp
+ sub %g1, STACKFRAME_SZ + STACK_BIAS + 256, %sp
mov 0, %fp
/* Put garbage in these registers to trap any access to them. */
@@ -411,15 +411,38 @@ after_lock_tlb:
sethi %hi(kern_base), %g3
ldx [%g3 + %lo(kern_base)], %g3
add %g2, %g3, %o1
+ sethi %hi(sparc64_ttable_tl0), %o0
- call prom_set_trap_table_sun4v
- sethi %hi(sparc64_ttable_tl0), %o0
+ set prom_set_trap_table_name, %g2
+ stx %g2, [%sp + 2047 + 128 + 0x00]
+ mov 2, %g2
+ stx %g2, [%sp + 2047 + 128 + 0x08]
+ mov 0, %g2
+ stx %g2, [%sp + 2047 + 128 + 0x10]
+ stx %o0, [%sp + 2047 + 128 + 0x18]
+ stx %o1, [%sp + 2047 + 128 + 0x20]
+ sethi %hi(p1275buf), %g2
+ or %g2, %lo(p1275buf), %g2
+ ldx [%g2 + 0x08], %o1
+ call %o1
+ add %sp, (2047 + 128), %o0
ba,pt %xcc, 2f
nop
-1: call prom_set_trap_table
- sethi %hi(sparc64_ttable_tl0), %o0
+1: sethi %hi(sparc64_ttable_tl0), %o0
+ set prom_set_trap_table_name, %g2
+ stx %g2, [%sp + 2047 + 128 + 0x00]
+ mov 1, %g2
+ stx %g2, [%sp + 2047 + 128 + 0x08]
+ mov 0, %g2
+ stx %g2, [%sp + 2047 + 128 + 0x10]
+ stx %o0, [%sp + 2047 + 128 + 0x18]
+ sethi %hi(p1275buf), %g2
+ or %g2, %lo(p1275buf), %g2
+ ldx [%g2 + 0x08], %o1
+ call %o1
+ add %sp, (2047 + 128), %o0
2: ldx [%l0], %g6
ldx [%g6 + TI_TASK], %g4
diff --git a/arch/sparc64/kernel/vio.c b/arch/sparc64/kernel/vio.c
index 1550ac5673da..0c1ee619d814 100644
--- a/arch/sparc64/kernel/vio.c
+++ b/arch/sparc64/kernel/vio.c
@@ -292,7 +292,7 @@ static struct vio_dev *vio_create_one(struct mdesc_handle *hp, u64 mp,
}
vdev->dp = dp;
- printk(KERN_ERR "VIO: Adding device %s\n", vdev->dev.bus_id);
+ printk(KERN_INFO "VIO: Adding device %s\n", vdev->dev.bus_id);
err = device_register(&vdev->dev);
if (err) {
@@ -342,8 +342,33 @@ static struct mdesc_notifier_client vio_device_notifier = {
.node_name = "virtual-device-port",
};
+/* We are only interested in domain service ports under the
+ * "domain-services" node. On control nodes there is another port
+ * under "openboot" that we should not mess with as aparently that is
+ * reserved exclusively for OBP use.
+ */
+static void vio_add_ds(struct mdesc_handle *hp, u64 node)
+{
+ int found;
+ u64 a;
+
+ found = 0;
+ mdesc_for_each_arc(a, hp, node, MDESC_ARC_TYPE_BACK) {
+ u64 target = mdesc_arc_target(hp, a);
+ const char *name = mdesc_node_name(hp, target);
+
+ if (!strcmp(name, "domain-services")) {
+ found = 1;
+ break;
+ }
+ }
+
+ if (found)
+ (void) vio_create_one(hp, node, &root_vdev->dev);
+}
+
static struct mdesc_notifier_client vio_ds_notifier = {
- .add = vio_add,
+ .add = vio_add_ds,
.remove = vio_remove,
.node_name = "domain-services-port",
};
generated by cgit v1.2.3 (git 2.0.4) at 2025-02-11 19:35:49 +0000