aboutsummaryrefslogtreecommitdiff
path: root/arch/powerpc/kernel
diff options
context:
space:
mode:
Diffstat (limited to 'arch/powerpc/kernel')
-rw-r--r--arch/powerpc/kernel/cpu_setup_44x.S8
-rw-r--r--arch/powerpc/kernel/cputable.c3
-rw-r--r--arch/powerpc/kernel/dma.c1
-rw-r--r--arch/powerpc/kernel/entry_64.S8
-rw-r--r--arch/powerpc/kernel/misc_32.S5
-rw-r--r--arch/powerpc/kernel/prom_parse.c7
-rw-r--r--arch/powerpc/kernel/sysfs.c2
7 files changed, 29 insertions, 5 deletions
diff --git a/arch/powerpc/kernel/cpu_setup_44x.S b/arch/powerpc/kernel/cpu_setup_44x.S
index 80cac984d85..10b4ab1008a 100644
--- a/arch/powerpc/kernel/cpu_setup_44x.S
+++ b/arch/powerpc/kernel/cpu_setup_44x.S
@@ -34,7 +34,13 @@ _GLOBAL(__setup_cpu_440grx)
blr
_GLOBAL(__setup_cpu_460ex)
_GLOBAL(__setup_cpu_460gt)
- b __init_fpu_44x
+ mflr r4
+ bl __init_fpu_44x
+ bl __fixup_440A_mcheck
+ mtlr r4
+ blr
+
+_GLOBAL(__setup_cpu_440x5)
_GLOBAL(__setup_cpu_440gx)
_GLOBAL(__setup_cpu_440spe)
b __fixup_440A_mcheck
diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c
index b1eb834bc0f..7e8719504f3 100644
--- a/arch/powerpc/kernel/cputable.c
+++ b/arch/powerpc/kernel/cputable.c
@@ -39,6 +39,7 @@ extern void __setup_cpu_440epx(unsigned long offset, struct cpu_spec* spec);
extern void __setup_cpu_440gx(unsigned long offset, struct cpu_spec* spec);
extern void __setup_cpu_440grx(unsigned long offset, struct cpu_spec* spec);
extern void __setup_cpu_440spe(unsigned long offset, struct cpu_spec* spec);
+extern void __setup_cpu_440x5(unsigned long offset, struct cpu_spec* spec);
extern void __setup_cpu_460ex(unsigned long offset, struct cpu_spec* spec);
extern void __setup_cpu_460gt(unsigned long offset, struct cpu_spec* spec);
extern void __setup_cpu_603(unsigned long offset, struct cpu_spec* spec);
@@ -1500,6 +1501,8 @@ static struct cpu_spec __initdata cpu_specs[] = {
.cpu_user_features = COMMON_USER_BOOKE,
.icache_bsize = 32,
.dcache_bsize = 32,
+ .cpu_setup = __setup_cpu_440x5,
+ .machine_check = machine_check_440A,
.platform = "ppc440",
},
{ /* 460EX */
diff --git a/arch/powerpc/kernel/dma.c b/arch/powerpc/kernel/dma.c
index 1562daf8839..3a6eaa876ee 100644
--- a/arch/powerpc/kernel/dma.c
+++ b/arch/powerpc/kernel/dma.c
@@ -75,6 +75,7 @@ static int dma_direct_map_sg(struct device *dev, struct scatterlist *sgl,
for_each_sg(sgl, sg, nents, i) {
sg->dma_address = sg_phys(sg) + get_dma_direct_offset(dev);
sg->dma_length = sg->length;
+ __dma_sync_page(sg_page(sg), sg->offset, sg->length, direction);
}
return nents;
diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S
index e6d52845854..e0bcf935428 100644
--- a/arch/powerpc/kernel/entry_64.S
+++ b/arch/powerpc/kernel/entry_64.S
@@ -57,12 +57,18 @@ system_call_common:
beq- 1f
ld r1,PACAKSAVE(r13)
1: std r10,0(r1)
- crclr so
std r11,_NIP(r1)
std r12,_MSR(r1)
std r0,GPR0(r1)
std r10,GPR1(r1)
ACCOUNT_CPU_USER_ENTRY(r10, r11)
+ /*
+ * This "crclr so" clears CR0.SO, which is the error indication on
+ * return from this system call. There must be no cmp instruction
+ * between it and the "mfcr r9" below, otherwise if XER.SO is set,
+ * CR0.SO will get set, causing all system calls to appear to fail.
+ */
+ crclr so
std r2,GPR2(r1)
std r3,GPR3(r1)
std r4,GPR4(r1)
diff --git a/arch/powerpc/kernel/misc_32.S b/arch/powerpc/kernel/misc_32.S
index bdc8b0e860e..5c33bc14bd9 100644
--- a/arch/powerpc/kernel/misc_32.S
+++ b/arch/powerpc/kernel/misc_32.S
@@ -479,17 +479,20 @@ _GLOBAL(_tlbil_pid)
* (no broadcast)
*/
_GLOBAL(_tlbil_va)
+ mfmsr r10
+ wrteei 0
slwi r4,r4,16
mtspr SPRN_MAS6,r4 /* assume AS=0 for now */
tlbsx 0,r3
mfspr r4,SPRN_MAS1 /* check valid */
andis. r3,r4,MAS1_VALID@h
- beqlr
+ beq 1f
rlwinm r4,r4,0,1,31
mtspr SPRN_MAS1,r4
tlbwe
msync
isync
+1: wrtee r10
blr
#endif /* CONFIG_FSL_BOOKE */
diff --git a/arch/powerpc/kernel/prom_parse.c b/arch/powerpc/kernel/prom_parse.c
index bc1fb27368a..a11d68976dc 100644
--- a/arch/powerpc/kernel/prom_parse.c
+++ b/arch/powerpc/kernel/prom_parse.c
@@ -250,8 +250,11 @@ int of_irq_map_pci(struct pci_dev *pdev, struct of_irq *out_irq)
* parsing
*/
dn = pci_device_to_OF_node(pdev);
- if (dn)
- return of_irq_map_one(dn, 0, out_irq);
+ if (dn) {
+ rc = of_irq_map_one(dn, 0, out_irq);
+ if (!rc)
+ return rc;
+ }
/* Ok, we don't, time to have fun. Let's start by building up an
* interrupt spec. we assume #interrupt-cells is 1, which is standard
diff --git a/arch/powerpc/kernel/sysfs.c b/arch/powerpc/kernel/sysfs.c
index 86a2ffccef2..20885a38237 100644
--- a/arch/powerpc/kernel/sysfs.c
+++ b/arch/powerpc/kernel/sysfs.c
@@ -717,9 +717,11 @@ static void unregister_cpu_online(unsigned int cpu)
BUG_ON(!c->hotpluggable);
+#ifdef CONFIG_PPC64
if (!firmware_has_feature(FW_FEATURE_ISERIES) &&
cpu_has_feature(CPU_FTR_SMT))
sysdev_remove_file(s, &attr_smt_snooze_delay);
+#endif
/* PMC stuff */
switch (cur_cpu_spec->pmc_type) {