diff options
Diffstat (limited to 'arch/powerpc/kernel')
| -rw-r--r-- | arch/powerpc/kernel/pci_64.c | 70 | ||||
| -rw-r--r-- | arch/powerpc/kernel/rtas_pci.c | 68 | ||||
| -rw-r--r-- | arch/powerpc/kernel/setup-common.c | 1 | ||||
| -rw-r--r-- | arch/powerpc/kernel/smp.c | 7 | ||||
| -rw-r--r-- | arch/powerpc/kernel/vdso32/cacheflush.S | 2 | ||||
| -rw-r--r-- | arch/powerpc/kernel/vdso32/datapage.S | 3 | ||||
| -rw-r--r-- | arch/powerpc/kernel/vdso32/gettimeofday.S | 4 | ||||
| -rw-r--r-- | arch/powerpc/kernel/vdso64/cacheflush.S | 2 | ||||
| -rw-r--r-- | arch/powerpc/kernel/vdso64/datapage.S | 3 | ||||
| -rw-r--r-- | arch/powerpc/kernel/vdso64/gettimeofday.S | 4 |
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 |