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-rw-r--r--arch/powerpc/kernel/pci_64.c70
-rw-r--r--arch/powerpc/kernel/rtas_pci.c68
-rw-r--r--arch/powerpc/kernel/setup-common.c1
-rw-r--r--arch/powerpc/kernel/smp.c7
-rw-r--r--arch/powerpc/kernel/vdso32/cacheflush.S2
-rw-r--r--arch/powerpc/kernel/vdso32/datapage.S3
-rw-r--r--arch/powerpc/kernel/vdso32/gettimeofday.S4
-rw-r--r--arch/powerpc/kernel/vdso64/cacheflush.S2
-rw-r--r--arch/powerpc/kernel/vdso64/datapage.S3
-rw-r--r--arch/powerpc/kernel/vdso64/gettimeofday.S4
10 files changed, 92 insertions, 72 deletions
diff --git a/arch/powerpc/kernel/pci_64.c b/arch/powerpc/kernel/pci_64.c
index 3cef1b8f57f..5a5b2468508 100644
--- a/arch/powerpc/kernel/pci_64.c
+++ b/arch/powerpc/kernel/pci_64.c
@@ -30,10 +30,10 @@
#include <asm/byteorder.h>
#include <asm/irq.h>
#include <asm/machdep.h>
-#include <asm/udbg.h>
#include <asm/ppc-pci.h>
#ifdef DEBUG
+#include <asm/udbg.h>
#define DBG(fmt...) udbg_printf(fmt)
#else
#define DBG(fmt...)
@@ -187,7 +187,7 @@ static DEFINE_SPINLOCK(hose_spinlock);
/*
* pci_controller(phb) initialized common variables.
*/
-void __devinit pci_setup_pci_controller(struct pci_controller *hose)
+static void __devinit pci_setup_pci_controller(struct pci_controller *hose)
{
memset(hose, 0, sizeof(struct pci_controller));
@@ -197,6 +197,65 @@ void __devinit pci_setup_pci_controller(struct pci_controller *hose)
spin_unlock(&hose_spinlock);
}
+static void add_linux_pci_domain(struct device_node *dev,
+ struct pci_controller *phb)
+{
+ struct property *of_prop;
+ unsigned int size;
+
+ of_prop = (struct property *)
+ get_property(dev, "linux,pci-domain", &size);
+ if (of_prop != NULL)
+ return;
+ WARN_ON(of_prop && size < sizeof(int));
+ if (of_prop && size < sizeof(int))
+ of_prop = NULL;
+ size = sizeof(struct property) + sizeof(int);
+ if (of_prop == NULL) {
+ if (mem_init_done)
+ of_prop = kmalloc(size, GFP_KERNEL);
+ else
+ of_prop = alloc_bootmem(size);
+ }
+ memset(of_prop, 0, sizeof(struct property));
+ of_prop->name = "linux,pci-domain";
+ of_prop->length = sizeof(int);
+ of_prop->value = (unsigned char *)&of_prop[1];
+ *((int *)of_prop->value) = phb->global_number;
+ prom_add_property(dev, of_prop);
+}
+
+struct pci_controller * pcibios_alloc_controller(struct device_node *dev)
+{
+ struct pci_controller *phb;
+
+ if (mem_init_done)
+ phb = kmalloc(sizeof(struct pci_controller), GFP_KERNEL);
+ else
+ phb = alloc_bootmem(sizeof (struct pci_controller));
+ if (phb == NULL)
+ return NULL;
+ pci_setup_pci_controller(phb);
+ phb->arch_data = dev;
+ phb->is_dynamic = mem_init_done;
+ if (dev)
+ add_linux_pci_domain(dev, phb);
+ return phb;
+}
+
+void pcibios_free_controller(struct pci_controller *phb)
+{
+ if (phb->arch_data) {
+ struct device_node *np = phb->arch_data;
+ int *domain = (int *)get_property(np,
+ "linux,pci-domain", NULL);
+ if (domain)
+ *domain = -1;
+ }
+ if (phb->is_dynamic)
+ kfree(phb);
+}
+
static void __init pcibios_claim_one_bus(struct pci_bus *b)
{
struct pci_dev *dev;
@@ -907,9 +966,10 @@ void __devinit pci_process_bridge_OF_ranges(struct pci_controller *hose,
* (size depending on dev->n_addr_cells)
* cells 4+5 or 5+6: the size of the range
*/
- rlen = 0;
- hose->io_base_phys = 0;
ranges = (unsigned int *) get_property(dev, "ranges", &rlen);
+ if (ranges == NULL)
+ return;
+ hose->io_base_phys = 0;
while ((rlen -= np * sizeof(unsigned int)) >= 0) {
res = NULL;
pci_space = ranges[0];
@@ -1107,6 +1167,8 @@ int remap_bus_range(struct pci_bus *bus)
if (get_bus_io_range(bus, &start_phys, &start_virt, &size))
return 1;
+ if (start_phys == 0)
+ return 1;
printk("mapping IO %lx -> %lx, size: %lx\n", start_phys, start_virt, size);
if (__ioremap_explicit(start_phys, start_virt, size,
_PAGE_NO_CACHE | _PAGE_GUARDED))
diff --git a/arch/powerpc/kernel/rtas_pci.c b/arch/powerpc/kernel/rtas_pci.c
index 0e5a8e11665..60dec2401c2 100644
--- a/arch/powerpc/kernel/rtas_pci.c
+++ b/arch/powerpc/kernel/rtas_pci.c
@@ -304,75 +304,18 @@ static int __devinit setup_phb(struct device_node *dev,
struct pci_controller *phb,
unsigned int addr_size_words)
{
- pci_setup_pci_controller(phb);
-
if (is_python(dev))
python_countermeasures(dev, addr_size_words);
if (phb_set_bus_ranges(dev, phb))
return 1;
- phb->arch_data = dev;
phb->ops = &rtas_pci_ops;
phb->buid = get_phb_buid(dev);
return 0;
}
-static void __devinit add_linux_pci_domain(struct device_node *dev,
- struct pci_controller *phb,
- struct property *of_prop)
-{
- memset(of_prop, 0, sizeof(struct property));
- of_prop->name = "linux,pci-domain";
- of_prop->length = sizeof(phb->global_number);
- of_prop->value = (unsigned char *)&of_prop[1];
- memcpy(of_prop->value, &phb->global_number, sizeof(phb->global_number));
- prom_add_property(dev, of_prop);
-}
-
-static struct pci_controller * __init alloc_phb(struct device_node *dev,
- unsigned int addr_size_words)
-{
- struct pci_controller *phb;
- struct property *of_prop;
-
- phb = alloc_bootmem(sizeof(struct pci_controller));
- if (phb == NULL)
- return NULL;
-
- of_prop = alloc_bootmem(sizeof(struct property) +
- sizeof(phb->global_number));
- if (!of_prop)
- return NULL;
-
- if (setup_phb(dev, phb, addr_size_words))
- return NULL;
-
- add_linux_pci_domain(dev, phb, of_prop);
-
- return phb;
-}
-
-static struct pci_controller * __devinit alloc_phb_dynamic(struct device_node *dev, unsigned int addr_size_words)
-{
- struct pci_controller *phb;
-
- phb = (struct pci_controller *)kmalloc(sizeof(struct pci_controller),
- GFP_KERNEL);
- if (phb == NULL)
- return NULL;
-
- if (setup_phb(dev, phb, addr_size_words))
- return NULL;
-
- phb->is_dynamic = 1;
-
- /* TODO: linux,pci-domain? */
-
- return phb;
-}
-
unsigned long __init find_and_init_phbs(void)
{
struct device_node *node;
@@ -397,10 +340,10 @@ unsigned long __init find_and_init_phbs(void)
if (node->type == NULL || strcmp(node->type, "pci") != 0)
continue;
- phb = alloc_phb(node, root_size_cells);
+ phb = pcibios_alloc_controller(node);
if (!phb)
continue;
-
+ setup_phb(node, phb, root_size_cells);
pci_process_bridge_OF_ranges(phb, node, 0);
pci_setup_phb_io(phb, index == 0);
#ifdef CONFIG_PPC_PSERIES
@@ -446,10 +389,10 @@ struct pci_controller * __devinit init_phb_dynamic(struct device_node *dn)
root_size_cells = prom_n_size_cells(root);
primary = list_empty(&hose_list);
- phb = alloc_phb_dynamic(dn, root_size_cells);
+ phb = pcibios_alloc_controller(dn);
if (!phb)
return NULL;
-
+ setup_phb(dn, phb, root_size_cells);
pci_process_bridge_OF_ranges(phb, dn, primary);
pci_setup_phb_io_dynamic(phb, primary);
@@ -505,8 +448,7 @@ int pcibios_remove_root_bus(struct pci_controller *phb)
}
list_del(&phb->list_node);
- if (phb->is_dynamic)
- kfree(phb);
+ pcibios_free_controller(phb);
return 0;
}
diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c
index 33e7f2c7f19..bd3eb4292b5 100644
--- a/arch/powerpc/kernel/setup-common.c
+++ b/arch/powerpc/kernel/setup-common.c
@@ -59,6 +59,7 @@
#undef DEBUG
#ifdef DEBUG
+#include <asm/udbg.h>
#define DBG(fmt...) udbg_printf(fmt)
#else
#define DBG(fmt...)
diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c
index 62dfc5b8d76..30374d2f88e 100644
--- a/arch/powerpc/kernel/smp.c
+++ b/arch/powerpc/kernel/smp.c
@@ -49,15 +49,16 @@
#include <asm/paca.h>
#endif
-int smp_hw_index[NR_CPUS];
-struct thread_info *secondary_ti;
-
#ifdef DEBUG
+#include <asm/udbg.h>
#define DBG(fmt...) udbg_printf(fmt)
#else
#define DBG(fmt...)
#endif
+int smp_hw_index[NR_CPUS];
+struct thread_info *secondary_ti;
+
cpumask_t cpu_possible_map = CPU_MASK_NONE;
cpumask_t cpu_online_map = CPU_MASK_NONE;
cpumask_t cpu_sibling_map[NR_CPUS] = { [0 ... NR_CPUS-1] = CPU_MASK_NONE };
diff --git a/arch/powerpc/kernel/vdso32/cacheflush.S b/arch/powerpc/kernel/vdso32/cacheflush.S
index c8db993574e..09629aea3e4 100644
--- a/arch/powerpc/kernel/vdso32/cacheflush.S
+++ b/arch/powerpc/kernel/vdso32/cacheflush.S
@@ -35,6 +35,7 @@ V_FUNCTION_BEGIN(__kernel_sync_dicache)
subf r8,r6,r4 /* compute length */
add r8,r8,r5 /* ensure we get enough */
srwi. r8,r8,7 /* compute line count */
+ crclr cr0*4+so
beqlr /* nothing to do? */
mtctr r8
mr r3,r6
@@ -58,6 +59,7 @@ V_FUNCTION_END(__kernel_sync_dicache)
*/
V_FUNCTION_BEGIN(__kernel_sync_dicache_p5)
.cfi_startproc
+ crclr cr0*4+so
sync
isync
li r3,0
diff --git a/arch/powerpc/kernel/vdso32/datapage.S b/arch/powerpc/kernel/vdso32/datapage.S
index f6b38472318..4709f1d9542 100644
--- a/arch/powerpc/kernel/vdso32/datapage.S
+++ b/arch/powerpc/kernel/vdso32/datapage.S
@@ -54,7 +54,6 @@ V_FUNCTION_BEGIN(__kernel_get_syscall_map)
.cfi_startproc
mflr r12
.cfi_register lr,r12
-
mr r4,r3
bl __get_datapage@local
mtlr r12
@@ -63,6 +62,7 @@ V_FUNCTION_BEGIN(__kernel_get_syscall_map)
beqlr
li r0,__NR_syscalls
stw r0,0(r4)
+ crclr cr0*4+so
blr
.cfi_endproc
V_FUNCTION_END(__kernel_get_syscall_map)
@@ -80,6 +80,7 @@ V_FUNCTION_BEGIN(__kernel_get_tbfreq)
lwz r4,(CFG_TB_TICKS_PER_SEC + 4)(r3)
lwz r3,CFG_TB_TICKS_PER_SEC(r3)
mtlr r12
+ crclr cr0*4+so
blr
.cfi_endproc
V_FUNCTION_END(__kernel_get_tbfreq)
diff --git a/arch/powerpc/kernel/vdso32/gettimeofday.S b/arch/powerpc/kernel/vdso32/gettimeofday.S
index 0a32a41d50b..7eebff03a04 100644
--- a/arch/powerpc/kernel/vdso32/gettimeofday.S
+++ b/arch/powerpc/kernel/vdso32/gettimeofday.S
@@ -59,6 +59,7 @@ V_FUNCTION_BEGIN(__kernel_gettimeofday)
stw r5,TZONE_TZ_DSTTIME(r11)
1: mtlr r12
+ crclr cr0*4+so
li r3,0
blr
@@ -117,6 +118,7 @@ V_FUNCTION_BEGIN(__kernel_clock_gettime)
mulli r5,r5,1000
stw r5,TSPC32_TV_NSEC(r11)
mtlr r12
+ crclr cr0*4+so
li r3,0
blr
@@ -185,6 +187,7 @@ V_FUNCTION_BEGIN(__kernel_clock_gettime)
stw r4,TSPC32_TV_NSEC(r11)
mtlr r12
+ crclr cr0*4+so
li r3,0
blr
@@ -219,6 +222,7 @@ V_FUNCTION_BEGIN(__kernel_clock_getres)
li r3,0
cmpli cr0,r4,0
+ crclr cr0*4+so
beqlr
lis r5,CLOCK_REALTIME_RES@h
ori r5,r5,CLOCK_REALTIME_RES@l
diff --git a/arch/powerpc/kernel/vdso64/cacheflush.S b/arch/powerpc/kernel/vdso64/cacheflush.S
index d4a0ad28d53..cb4ae0a5edd 100644
--- a/arch/powerpc/kernel/vdso64/cacheflush.S
+++ b/arch/powerpc/kernel/vdso64/cacheflush.S
@@ -35,6 +35,7 @@ V_FUNCTION_BEGIN(__kernel_sync_dicache)
subf r8,r6,r4 /* compute length */
add r8,r8,r5 /* ensure we get enough */
srwi. r8,r8,7 /* compute line count */
+ crclr cr0*4+so
beqlr /* nothing to do? */
mtctr r8
mr r3,r6
@@ -58,6 +59,7 @@ V_FUNCTION_END(__kernel_sync_dicache)
*/
V_FUNCTION_BEGIN(__kernel_sync_dicache_p5)
.cfi_startproc
+ crclr cr0*4+so
sync
isync
li r3,0
diff --git a/arch/powerpc/kernel/vdso64/datapage.S b/arch/powerpc/kernel/vdso64/datapage.S
index 6393e4137bc..3b2dd7d0c1e 100644
--- a/arch/powerpc/kernel/vdso64/datapage.S
+++ b/arch/powerpc/kernel/vdso64/datapage.S
@@ -54,12 +54,12 @@ V_FUNCTION_BEGIN(__kernel_get_syscall_map)
.cfi_startproc
mflr r12
.cfi_register lr,r12
-
mr r4,r3
bl V_LOCAL_FUNC(__get_datapage)
mtlr r12
addi r3,r3,CFG_SYSCALL_MAP64
cmpli cr0,r4,0
+ crclr cr0*4+so
beqlr
li r0,__NR_syscalls
stw r0,0(r4)
@@ -80,6 +80,7 @@ V_FUNCTION_BEGIN(__kernel_get_tbfreq)
bl V_LOCAL_FUNC(__get_datapage)
ld r3,CFG_TB_TICKS_PER_SEC(r3)
mtlr r12
+ crclr cr0*4+so
blr
.cfi_endproc
V_FUNCTION_END(__kernel_get_tbfreq)
diff --git a/arch/powerpc/kernel/vdso64/gettimeofday.S b/arch/powerpc/kernel/vdso64/gettimeofday.S
index 1a89094715c..ccaeda5136d 100644
--- a/arch/powerpc/kernel/vdso64/gettimeofday.S
+++ b/arch/powerpc/kernel/vdso64/gettimeofday.S
@@ -52,6 +52,7 @@ V_FUNCTION_BEGIN(__kernel_gettimeofday)
stw r4,TZONE_TZ_MINWEST(r10)
stw r5,TZONE_TZ_DSTTIME(r10)
1: mtlr r12
+ crclr cr0*4+so
li r3,0 /* always success */
blr
.cfi_endproc
@@ -99,6 +100,7 @@ V_FUNCTION_BEGIN(__kernel_clock_gettime)
std r0,TSPC64_TV_NSEC(r11) /* store nsec in tp */
mtlr r12
+ crclr cr0*4+so
li r3,0
blr
@@ -159,6 +161,7 @@ V_FUNCTION_BEGIN(__kernel_clock_gettime)
std r7,TSPC64_TV_NSEC(r11)
mtlr r12
+ crclr cr0*4+so
li r3,0
blr
@@ -193,6 +196,7 @@ V_FUNCTION_BEGIN(__kernel_clock_getres)
li r3,0
cmpli cr0,r4,0
+ crclr cr0*4+so
beqlr
lis r5,CLOCK_REALTIME_RES@h
ori r5,r5,CLOCK_REALTIME_RES@l
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-10-11 14:18:32 +0000