summaryrefslogtreecommitdiffstats
path: root/arch/sparc64
diff options
context:
space:
mode:
Diffstat (limited to 'arch/sparc64')
-rw-r--r--arch/sparc64/kernel/irq.c8
-rw-r--r--arch/sparc64/kernel/of_device.c20
-rw-r--r--arch/sparc64/kernel/pci_common.c7
-rw-r--r--arch/sparc64/lib/atomic.S38
-rw-r--r--arch/sparc64/lib/bitops.S30
5 files changed, 59 insertions, 44 deletions
diff --git a/arch/sparc64/kernel/irq.c b/arch/sparc64/kernel/irq.c
index f3922e5a89f..2c3bea22815 100644
--- a/arch/sparc64/kernel/irq.c
+++ b/arch/sparc64/kernel/irq.c
@@ -877,7 +877,7 @@ void __cpuinit sun4v_register_mondo_queues(int this_cpu)
static void __init alloc_one_mondo(unsigned long *pa_ptr, unsigned long qmask)
{
unsigned long size = PAGE_ALIGN(qmask + 1);
- void *p = __alloc_bootmem_low(size, size, 0);
+ void *p = __alloc_bootmem(size, size, 0);
if (!p) {
prom_printf("SUN4V: Error, cannot allocate mondo queue.\n");
prom_halt();
@@ -889,7 +889,7 @@ static void __init alloc_one_mondo(unsigned long *pa_ptr, unsigned long qmask)
static void __init alloc_one_kbuf(unsigned long *pa_ptr, unsigned long qmask)
{
unsigned long size = PAGE_ALIGN(qmask + 1);
- void *p = __alloc_bootmem_low(size, size, 0);
+ void *p = __alloc_bootmem(size, size, 0);
if (!p) {
prom_printf("SUN4V: Error, cannot allocate kbuf page.\n");
@@ -906,7 +906,7 @@ static void __init init_cpu_send_mondo_info(struct trap_per_cpu *tb)
BUILD_BUG_ON((NR_CPUS * sizeof(u16)) > (PAGE_SIZE - 64));
- page = alloc_bootmem_low_pages(PAGE_SIZE);
+ page = alloc_bootmem_pages(PAGE_SIZE);
if (!page) {
prom_printf("SUN4V: Error, cannot allocate cpu mondo page.\n");
prom_halt();
@@ -953,7 +953,7 @@ void __init init_IRQ(void)
kill_prom_timer();
size = sizeof(struct ino_bucket) * NUM_IVECS;
- ivector_table = alloc_bootmem_low(size);
+ ivector_table = alloc_bootmem(size);
if (!ivector_table) {
prom_printf("Fatal error, cannot allocate ivector_table\n");
prom_halt();
diff --git a/arch/sparc64/kernel/of_device.c b/arch/sparc64/kernel/of_device.c
index 42d779866fb..fc5c0cc793b 100644
--- a/arch/sparc64/kernel/of_device.c
+++ b/arch/sparc64/kernel/of_device.c
@@ -869,26 +869,6 @@ static int __init of_debug(char *str)
__setup("of_debug=", of_debug);
-int of_register_driver(struct of_platform_driver *drv, struct bus_type *bus)
-{
- /* initialize common driver fields */
- if (!drv->driver.name)
- drv->driver.name = drv->name;
- if (!drv->driver.owner)
- drv->driver.owner = drv->owner;
- drv->driver.bus = bus;
-
- /* register with core */
- return driver_register(&drv->driver);
-}
-EXPORT_SYMBOL(of_register_driver);
-
-void of_unregister_driver(struct of_platform_driver *drv)
-{
- driver_unregister(&drv->driver);
-}
-EXPORT_SYMBOL(of_unregister_driver);
-
struct of_device* of_platform_device_create(struct device_node *np,
const char *bus_id,
struct device *parent,
diff --git a/arch/sparc64/kernel/pci_common.c b/arch/sparc64/kernel/pci_common.c
index c76bfbb7da0..923e0bcc3bf 100644
--- a/arch/sparc64/kernel/pci_common.c
+++ b/arch/sparc64/kernel/pci_common.c
@@ -396,6 +396,13 @@ void pci_determine_mem_io_space(struct pci_pbm_info *pbm)
saw_mem = saw_io = 0;
pbm_ranges = of_get_property(pbm->prom_node, "ranges", &i);
+ if (!pbm_ranges) {
+ prom_printf("PCI: Fatal error, missing PBM ranges property "
+ " for %s\n",
+ pbm->name);
+ prom_halt();
+ }
+
num_pbm_ranges = i / sizeof(*pbm_ranges);
for (i = 0; i < num_pbm_ranges; i++) {
diff --git a/arch/sparc64/lib/atomic.S b/arch/sparc64/lib/atomic.S
index 9633750167d..70ac4186f62 100644
--- a/arch/sparc64/lib/atomic.S
+++ b/arch/sparc64/lib/atomic.S
@@ -1,10 +1,10 @@
-/* $Id: atomic.S,v 1.4 2001/11/18 00:12:56 davem Exp $
- * atomic.S: These things are too big to do inline.
+/* atomic.S: These things are too big to do inline.
*
- * Copyright (C) 1999 David S. Miller (davem@redhat.com)
+ * Copyright (C) 1999, 2007 David S. Miller (davem@davemloft.net)
*/
#include <asm/asi.h>
+#include <asm/backoff.h>
.text
@@ -16,27 +16,31 @@
.globl atomic_add
.type atomic_add,#function
atomic_add: /* %o0 = increment, %o1 = atomic_ptr */
+ BACKOFF_SETUP(%o2)
1: lduw [%o1], %g1
add %g1, %o0, %g7
cas [%o1], %g1, %g7
cmp %g1, %g7
- bne,pn %icc, 1b
+ bne,pn %icc, 2f
nop
retl
nop
+2: BACKOFF_SPIN(%o2, %o3, 1b)
.size atomic_add, .-atomic_add
.globl atomic_sub
.type atomic_sub,#function
atomic_sub: /* %o0 = decrement, %o1 = atomic_ptr */
+ BACKOFF_SETUP(%o2)
1: lduw [%o1], %g1
sub %g1, %o0, %g7
cas [%o1], %g1, %g7
cmp %g1, %g7
- bne,pn %icc, 1b
+ bne,pn %icc, 2f
nop
retl
nop
+2: BACKOFF_SPIN(%o2, %o3, 1b)
.size atomic_sub, .-atomic_sub
/* On SMP we need to use memory barriers to ensure
@@ -60,89 +64,101 @@ atomic_sub: /* %o0 = decrement, %o1 = atomic_ptr */
.globl atomic_add_ret
.type atomic_add_ret,#function
atomic_add_ret: /* %o0 = increment, %o1 = atomic_ptr */
+ BACKOFF_SETUP(%o2)
ATOMIC_PRE_BARRIER
1: lduw [%o1], %g1
add %g1, %o0, %g7
cas [%o1], %g1, %g7
cmp %g1, %g7
- bne,pn %icc, 1b
+ bne,pn %icc, 2f
add %g7, %o0, %g7
sra %g7, 0, %o0
ATOMIC_POST_BARRIER
retl
nop
+2: BACKOFF_SPIN(%o2, %o3, 1b)
.size atomic_add_ret, .-atomic_add_ret
.globl atomic_sub_ret
.type atomic_sub_ret,#function
atomic_sub_ret: /* %o0 = decrement, %o1 = atomic_ptr */
+ BACKOFF_SETUP(%o2)
ATOMIC_PRE_BARRIER
1: lduw [%o1], %g1
sub %g1, %o0, %g7
cas [%o1], %g1, %g7
cmp %g1, %g7
- bne,pn %icc, 1b
+ bne,pn %icc, 2f
sub %g7, %o0, %g7
sra %g7, 0, %o0
ATOMIC_POST_BARRIER
retl
nop
+2: BACKOFF_SPIN(%o2, %o3, 1b)
.size atomic_sub_ret, .-atomic_sub_ret
.globl atomic64_add
.type atomic64_add,#function
atomic64_add: /* %o0 = increment, %o1 = atomic_ptr */
+ BACKOFF_SETUP(%o2)
1: ldx [%o1], %g1
add %g1, %o0, %g7
casx [%o1], %g1, %g7
cmp %g1, %g7
- bne,pn %xcc, 1b
+ bne,pn %xcc, 2f
nop
retl
nop
+2: BACKOFF_SPIN(%o2, %o3, 1b)
.size atomic64_add, .-atomic64_add
.globl atomic64_sub
.type atomic64_sub,#function
atomic64_sub: /* %o0 = decrement, %o1 = atomic_ptr */
+ BACKOFF_SETUP(%o2)
1: ldx [%o1], %g1
sub %g1, %o0, %g7
casx [%o1], %g1, %g7
cmp %g1, %g7
- bne,pn %xcc, 1b
+ bne,pn %xcc, 2f
nop
retl
nop
+2: BACKOFF_SPIN(%o2, %o3, 1b)
.size atomic64_sub, .-atomic64_sub
.globl atomic64_add_ret
.type atomic64_add_ret,#function
atomic64_add_ret: /* %o0 = increment, %o1 = atomic_ptr */
+ BACKOFF_SETUP(%o2)
ATOMIC_PRE_BARRIER
1: ldx [%o1], %g1
add %g1, %o0, %g7
casx [%o1], %g1, %g7
cmp %g1, %g7
- bne,pn %xcc, 1b
+ bne,pn %xcc, 2f
add %g7, %o0, %g7
mov %g7, %o0
ATOMIC_POST_BARRIER
retl
nop
+2: BACKOFF_SPIN(%o2, %o3, 1b)
.size atomic64_add_ret, .-atomic64_add_ret
.globl atomic64_sub_ret
.type atomic64_sub_ret,#function
atomic64_sub_ret: /* %o0 = decrement, %o1 = atomic_ptr */
+ BACKOFF_SETUP(%o2)
ATOMIC_PRE_BARRIER
1: ldx [%o1], %g1
sub %g1, %o0, %g7
casx [%o1], %g1, %g7
cmp %g1, %g7
- bne,pn %xcc, 1b
+ bne,pn %xcc, 2f
sub %g7, %o0, %g7
mov %g7, %o0
ATOMIC_POST_BARRIER
retl
nop
+2: BACKOFF_SPIN(%o2, %o3, 1b)
.size atomic64_sub_ret, .-atomic64_sub_ret
diff --git a/arch/sparc64/lib/bitops.S b/arch/sparc64/lib/bitops.S
index 892431a8213..6b015a6eefb 100644
--- a/arch/sparc64/lib/bitops.S
+++ b/arch/sparc64/lib/bitops.S
@@ -1,10 +1,10 @@
-/* $Id: bitops.S,v 1.3 2001/11/18 00:12:56 davem Exp $
- * bitops.S: Sparc64 atomic bit operations.
+/* bitops.S: Sparc64 atomic bit operations.
*
- * Copyright (C) 2000 David S. Miller (davem@redhat.com)
+ * Copyright (C) 2000, 2007 David S. Miller (davem@davemloft.net)
*/
#include <asm/asi.h>
+#include <asm/backoff.h>
.text
@@ -29,6 +29,7 @@
.globl test_and_set_bit
.type test_and_set_bit,#function
test_and_set_bit: /* %o0=nr, %o1=addr */
+ BACKOFF_SETUP(%o3)
BITOP_PRE_BARRIER
srlx %o0, 6, %g1
mov 1, %o2
@@ -40,18 +41,20 @@ test_and_set_bit: /* %o0=nr, %o1=addr */
or %g7, %o2, %g1
casx [%o1], %g7, %g1
cmp %g7, %g1
- bne,pn %xcc, 1b
+ bne,pn %xcc, 2f
and %g7, %o2, %g2
clr %o0
movrne %g2, 1, %o0
BITOP_POST_BARRIER
retl
nop
+2: BACKOFF_SPIN(%o3, %o4, 1b)
.size test_and_set_bit, .-test_and_set_bit
.globl test_and_clear_bit
.type test_and_clear_bit,#function
test_and_clear_bit: /* %o0=nr, %o1=addr */
+ BACKOFF_SETUP(%o3)
BITOP_PRE_BARRIER
srlx %o0, 6, %g1
mov 1, %o2
@@ -63,18 +66,20 @@ test_and_clear_bit: /* %o0=nr, %o1=addr */
andn %g7, %o2, %g1
casx [%o1], %g7, %g1
cmp %g7, %g1
- bne,pn %xcc, 1b
+ bne,pn %xcc, 2f
and %g7, %o2, %g2
clr %o0
movrne %g2, 1, %o0
BITOP_POST_BARRIER
retl
nop
+2: BACKOFF_SPIN(%o3, %o4, 1b)
.size test_and_clear_bit, .-test_and_clear_bit
.globl test_and_change_bit
.type test_and_change_bit,#function
test_and_change_bit: /* %o0=nr, %o1=addr */
+ BACKOFF_SETUP(%o3)
BITOP_PRE_BARRIER
srlx %o0, 6, %g1
mov 1, %o2
@@ -86,18 +91,20 @@ test_and_change_bit: /* %o0=nr, %o1=addr */
xor %g7, %o2, %g1
casx [%o1], %g7, %g1
cmp %g7, %g1
- bne,pn %xcc, 1b
+ bne,pn %xcc, 2f
and %g7, %o2, %g2
clr %o0
movrne %g2, 1, %o0
BITOP_POST_BARRIER
retl
nop
+2: BACKOFF_SPIN(%o3, %o4, 1b)
.size test_and_change_bit, .-test_and_change_bit
.globl set_bit
.type set_bit,#function
set_bit: /* %o0=nr, %o1=addr */
+ BACKOFF_SETUP(%o3)
srlx %o0, 6, %g1
mov 1, %o2
sllx %g1, 3, %g3
@@ -108,15 +115,17 @@ set_bit: /* %o0=nr, %o1=addr */
or %g7, %o2, %g1
casx [%o1], %g7, %g1
cmp %g7, %g1
- bne,pn %xcc, 1b
+ bne,pn %xcc, 2f
nop
retl
nop
+2: BACKOFF_SPIN(%o3, %o4, 1b)
.size set_bit, .-set_bit
.globl clear_bit
.type clear_bit,#function
clear_bit: /* %o0=nr, %o1=addr */
+ BACKOFF_SETUP(%o3)
srlx %o0, 6, %g1
mov 1, %o2
sllx %g1, 3, %g3
@@ -127,15 +136,17 @@ clear_bit: /* %o0=nr, %o1=addr */
andn %g7, %o2, %g1
casx [%o1], %g7, %g1
cmp %g7, %g1
- bne,pn %xcc, 1b
+ bne,pn %xcc, 2f
nop
retl
nop
+2: BACKOFF_SPIN(%o3, %o4, 1b)
.size clear_bit, .-clear_bit
.globl change_bit
.type change_bit,#function
change_bit: /* %o0=nr, %o1=addr */
+ BACKOFF_SETUP(%o3)
srlx %o0, 6, %g1
mov 1, %o2
sllx %g1, 3, %g3
@@ -146,8 +157,9 @@ change_bit: /* %o0=nr, %o1=addr */
xor %g7, %o2, %g1
casx [%o1], %g7, %g1
cmp %g7, %g1
- bne,pn %xcc, 1b
+ bne,pn %xcc, 2f
nop
retl
nop
+2: BACKOFF_SPIN(%o3, %o4, 1b)
.size change_bit, .-change_bit
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-17 17:57:06 +0000