diff options
Diffstat (limited to 'arch/powerpc/kernel')
-rw-r--r-- | arch/powerpc/kernel/cputable.c | 15 | ||||
-rw-r--r-- | arch/powerpc/kernel/head_32.S | 3 | ||||
-rw-r--r-- | arch/powerpc/kernel/head_40x.S | 3 | ||||
-rw-r--r-- | arch/powerpc/kernel/head_44x.S | 3 | ||||
-rw-r--r-- | arch/powerpc/kernel/head_8xx.S | 3 | ||||
-rw-r--r-- | arch/powerpc/kernel/head_fsl_booke.S | 3 | ||||
-rw-r--r-- | arch/powerpc/kernel/machine_kexec.c | 4 | ||||
-rw-r--r-- | arch/powerpc/kernel/pci-common.c | 21 | ||||
-rw-r--r-- | arch/powerpc/kernel/pci_64.c | 15 | ||||
-rw-r--r-- | arch/powerpc/kernel/prom.c | 8 | ||||
-rw-r--r-- | arch/powerpc/kernel/prom_parse.c | 11 | ||||
-rw-r--r-- | arch/powerpc/kernel/time.c | 8 | ||||
-rw-r--r-- | arch/powerpc/kernel/vmlinux.lds.S | 5 |
13 files changed, 64 insertions, 38 deletions
diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c index cd1b687544f..3e33fb933d9 100644 --- a/arch/powerpc/kernel/cputable.c +++ b/arch/powerpc/kernel/cputable.c @@ -382,7 +382,8 @@ static struct cpu_spec __initdata cpu_specs[] = { .icache_bsize = 128, .dcache_bsize = 128, .machine_check = machine_check_generic, - .oprofile_cpu_type = "ppc64/compat-power5+", + .oprofile_cpu_type = "ppc64/ibm-compat-v1", + .oprofile_type = PPC_OPROFILE_POWER4, .platform = "power5+", }, { /* Power6 */ @@ -416,7 +417,8 @@ static struct cpu_spec __initdata cpu_specs[] = { .icache_bsize = 128, .dcache_bsize = 128, .machine_check = machine_check_generic, - .oprofile_cpu_type = "ppc64/compat-power6", + .oprofile_cpu_type = "ppc64/ibm-compat-v1", + .oprofile_type = PPC_OPROFILE_POWER4, .platform = "power6", }, { /* 2.06-compliant processor, i.e. Power7 "architected" mode */ @@ -429,7 +431,8 @@ static struct cpu_spec __initdata cpu_specs[] = { .icache_bsize = 128, .dcache_bsize = 128, .machine_check = machine_check_generic, - .oprofile_cpu_type = "ppc64/compat-power7", + .oprofile_type = PPC_OPROFILE_POWER4, + .oprofile_cpu_type = "ppc64/ibm-compat-v1", .platform = "power7", }, { /* Power7 */ @@ -1833,8 +1836,10 @@ static void __init setup_cpu_spec(unsigned long offset, struct cpu_spec *s) * and, in that case, keep the current value for * oprofile_cpu_type. */ - if (old.oprofile_cpu_type == NULL) - t->oprofile_cpu_type = s->oprofile_cpu_type; + if (old.oprofile_cpu_type != NULL) { + t->oprofile_cpu_type = old.oprofile_cpu_type; + t->oprofile_type = old.oprofile_type; + } } *PTRRELOC(&cur_cpu_spec) = &the_cpu_spec; diff --git a/arch/powerpc/kernel/head_32.S b/arch/powerpc/kernel/head_32.S index 54e68c11ae1..c01467f952d 100644 --- a/arch/powerpc/kernel/head_32.S +++ b/arch/powerpc/kernel/head_32.S @@ -21,6 +21,7 @@ * */ +#include <linux/init.h> #include <asm/reg.h> #include <asm/page.h> #include <asm/mmu.h> @@ -50,7 +51,7 @@ mtspr SPRN_DBAT##n##L,RB; \ 1: - .section .text.head, "ax" + __HEAD .stabs "arch/powerpc/kernel/",N_SO,0,0,0f .stabs "head_32.S",N_SO,0,0,0f 0: diff --git a/arch/powerpc/kernel/head_40x.S b/arch/powerpc/kernel/head_40x.S index 56d8e5d90c5..0c96911d429 100644 --- a/arch/powerpc/kernel/head_40x.S +++ b/arch/powerpc/kernel/head_40x.S @@ -31,6 +31,7 @@ * */ +#include <linux/init.h> #include <asm/processor.h> #include <asm/page.h> #include <asm/mmu.h> @@ -52,7 +53,7 @@ * * This is all going to change RSN when we add bi_recs....... -- Dan */ - .section .text.head, "ax" + __HEAD _ENTRY(_stext); _ENTRY(_start); diff --git a/arch/powerpc/kernel/head_44x.S b/arch/powerpc/kernel/head_44x.S index b56fecc93a1..18d8a1677c4 100644 --- a/arch/powerpc/kernel/head_44x.S +++ b/arch/powerpc/kernel/head_44x.S @@ -28,6 +28,7 @@ * option) any later version. */ +#include <linux/init.h> #include <asm/processor.h> #include <asm/page.h> #include <asm/mmu.h> @@ -50,7 +51,7 @@ * r7 - End of kernel command line string * */ - .section .text.head, "ax" + __HEAD _ENTRY(_stext); _ENTRY(_start); /* diff --git a/arch/powerpc/kernel/head_8xx.S b/arch/powerpc/kernel/head_8xx.S index 3c9452d4308..52ff8c53b93 100644 --- a/arch/powerpc/kernel/head_8xx.S +++ b/arch/powerpc/kernel/head_8xx.S @@ -19,6 +19,7 @@ * */ +#include <linux/init.h> #include <asm/processor.h> #include <asm/page.h> #include <asm/mmu.h> @@ -38,7 +39,7 @@ #else #define DO_8xx_CPU6(val, reg) #endif - .section .text.head, "ax" + __HEAD _ENTRY(_stext); _ENTRY(_start); diff --git a/arch/powerpc/kernel/head_fsl_booke.S b/arch/powerpc/kernel/head_fsl_booke.S index 4c22620d009..5bdcc06d294 100644 --- a/arch/powerpc/kernel/head_fsl_booke.S +++ b/arch/powerpc/kernel/head_fsl_booke.S @@ -30,6 +30,7 @@ * option) any later version. */ +#include <linux/init.h> #include <linux/threads.h> #include <asm/processor.h> #include <asm/page.h> @@ -53,7 +54,7 @@ * r7 - End of kernel command line string * */ - .section .text.head, "ax" + __HEAD _ENTRY(_stext); _ENTRY(_start); /* diff --git a/arch/powerpc/kernel/machine_kexec.c b/arch/powerpc/kernel/machine_kexec.c index d59e2b1bdcb..bb3d893a835 100644 --- a/arch/powerpc/kernel/machine_kexec.c +++ b/arch/powerpc/kernel/machine_kexec.c @@ -125,8 +125,8 @@ void __init reserve_crashkernel(void) /* Crash kernel trumps memory limit */ if (memory_limit && memory_limit <= crashk_res.end) { memory_limit = crashk_res.end + 1; - printk("Adjusted memory limit for crashkernel, now 0x%lx\n", - memory_limit); + printk("Adjusted memory limit for crashkernel, now 0x%llx\n", + (unsigned long long)memory_limit); } printk(KERN_INFO "Reserving %ldMB of memory at %ldMB " diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c index 9c69e7e145c..4fee63cb53f 100644 --- a/arch/powerpc/kernel/pci-common.c +++ b/arch/powerpc/kernel/pci-common.c @@ -1366,12 +1366,17 @@ static void __init pcibios_allocate_resources(int pass) for_each_pci_dev(dev) { pci_read_config_word(dev, PCI_COMMAND, &command); - for (idx = 0; idx < 6; idx++) { + for (idx = 0; idx <= PCI_ROM_RESOURCE; idx++) { r = &dev->resource[idx]; if (r->parent) /* Already allocated */ continue; if (!r->flags || (r->flags & IORESOURCE_UNSET)) continue; /* Not assigned at all */ + /* We only allocate ROMs on pass 1 just in case they + * have been screwed up by firmware + */ + if (idx == PCI_ROM_RESOURCE ) + disabled = 1; if (r->flags & IORESOURCE_IO) disabled = !(command & PCI_COMMAND_IO); else @@ -1382,17 +1387,19 @@ static void __init pcibios_allocate_resources(int pass) if (pass) continue; r = &dev->resource[PCI_ROM_RESOURCE]; - if (r->flags & IORESOURCE_ROM_ENABLE) { + if (r->flags) { /* Turn the ROM off, leave the resource region, * but keep it unregistered. */ u32 reg; - pr_debug("PCI: Switching off ROM of %s\n", - pci_name(dev)); - r->flags &= ~IORESOURCE_ROM_ENABLE; pci_read_config_dword(dev, dev->rom_base_reg, ®); - pci_write_config_dword(dev, dev->rom_base_reg, - reg & ~PCI_ROM_ADDRESS_ENABLE); + if (reg & PCI_ROM_ADDRESS_ENABLE) { + pr_debug("PCI: Switching off ROM of %s\n", + pci_name(dev)); + r->flags &= ~IORESOURCE_ROM_ENABLE; + pci_write_config_dword(dev, dev->rom_base_reg, + reg & ~PCI_ROM_ADDRESS_ENABLE); + } } } } diff --git a/arch/powerpc/kernel/pci_64.c b/arch/powerpc/kernel/pci_64.c index be574fc0d92..96edb6f8bab 100644 --- a/arch/powerpc/kernel/pci_64.c +++ b/arch/powerpc/kernel/pci_64.c @@ -64,7 +64,7 @@ static u32 get_int_prop(struct device_node *np, const char *name, u32 def) return def; } -static unsigned int pci_parse_of_flags(u32 addr0) +static unsigned int pci_parse_of_flags(u32 addr0, int bridge) { unsigned int flags = 0; @@ -75,8 +75,17 @@ static unsigned int pci_parse_of_flags(u32 addr0) if (addr0 & 0x40000000) flags |= IORESOURCE_PREFETCH | PCI_BASE_ADDRESS_MEM_PREFETCH; + /* Note: We don't know whether the ROM has been left enabled + * by the firmware or not. We mark it as disabled (ie, we do + * not set the IORESOURCE_ROM_ENABLE flag) for now rather than + * do a config space read, it will be force-enabled if needed + */ + if (!bridge && (addr0 & 0xff) == 0x30) + flags |= IORESOURCE_READONLY; } else if (addr0 & 0x01000000) flags = IORESOURCE_IO | PCI_BASE_ADDRESS_SPACE_IO; + if (flags) + flags |= IORESOURCE_SIZEALIGN; return flags; } @@ -95,7 +104,7 @@ static void pci_parse_of_addrs(struct device_node *node, struct pci_dev *dev) return; pr_debug(" parse addresses (%d bytes) @ %p\n", proplen, addrs); for (; proplen >= 20; proplen -= 20, addrs += 5) { - flags = pci_parse_of_flags(addrs[0]); + flags = pci_parse_of_flags(addrs[0], 0); if (!flags) continue; base = of_read_number(&addrs[1], 2); @@ -293,7 +302,7 @@ void __devinit of_scan_pci_bridge(struct device_node *node, } i = 1; for (; len >= 32; len -= 32, ranges += 8) { - flags = pci_parse_of_flags(ranges[0]); + flags = pci_parse_of_flags(ranges[0], 1); size = of_read_number(&ranges[6], 2); if (flags == 0 || size == 0) continue; diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c index 5ec6a9e2393..ce01ff2474d 100644 --- a/arch/powerpc/kernel/prom.c +++ b/arch/powerpc/kernel/prom.c @@ -426,7 +426,7 @@ static int __init early_parse_mem(char *p) return 1; memory_limit = PAGE_ALIGN(memparse(p, &p)); - DBG("memory limit = 0x%lx\n", memory_limit); + DBG("memory limit = 0x%llx\n", (unsigned long long)memory_limit); return 0; } @@ -1160,7 +1160,7 @@ static inline void __init phyp_dump_reserve_mem(void) {} void __init early_init_devtree(void *params) { - unsigned long limit; + phys_addr_t limit; DBG(" -> early_init_devtree(%p)\n", params); @@ -1204,7 +1204,7 @@ void __init early_init_devtree(void *params) limit = memory_limit; if (! limit) { - unsigned long memsize; + phys_addr_t memsize; /* Ensure that total memory size is page-aligned, because * otherwise mark_bootmem() gets upset. */ @@ -1218,7 +1218,7 @@ void __init early_init_devtree(void *params) lmb_analyze(); lmb_dump_all(); - DBG("Phys. mem: %lx\n", lmb_phys_mem_size()); + DBG("Phys. mem: %llx\n", lmb_phys_mem_size()); /* We may need to relocate the flat tree, do it now. * FIXME .. and the initrd too? */ diff --git a/arch/powerpc/kernel/prom_parse.c b/arch/powerpc/kernel/prom_parse.c index 8f0856f312d..8362620c9e6 100644 --- a/arch/powerpc/kernel/prom_parse.c +++ b/arch/powerpc/kernel/prom_parse.c @@ -971,7 +971,7 @@ int of_irq_map_one(struct device_node *device, int index, struct of_irq *out_irq struct device_node *p; const u32 *intspec, *tmp, *addr; u32 intsize, intlen; - int res; + int res = -EINVAL; DBG("of_irq_map_one: dev=%s, index=%d\n", device->full_name, index); @@ -995,21 +995,20 @@ int of_irq_map_one(struct device_node *device, int index, struct of_irq *out_irq /* Get size of interrupt specifier */ tmp = of_get_property(p, "#interrupt-cells", NULL); - if (tmp == NULL) { - of_node_put(p); - return -EINVAL; - } + if (tmp == NULL) + goto out; intsize = *tmp; DBG(" intsize=%d intlen=%d\n", intsize, intlen); /* Check index */ if ((index + 1) * intsize > intlen) - return -EINVAL; + goto out; /* Get new specifier and map it */ res = of_irq_map_raw(p, intspec + index * intsize, intsize, addr, out_irq); +out: of_node_put(p); return res; } diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c index 926ea864e34..48571ac56fb 100644 --- a/arch/powerpc/kernel/time.c +++ b/arch/powerpc/kernel/time.c @@ -77,7 +77,7 @@ #include <linux/clockchips.h> #include <linux/clocksource.h> -static cycle_t rtc_read(void); +static cycle_t rtc_read(struct clocksource *); static struct clocksource clocksource_rtc = { .name = "rtc", .rating = 400, @@ -88,7 +88,7 @@ static struct clocksource clocksource_rtc = { .read = rtc_read, }; -static cycle_t timebase_read(void); +static cycle_t timebase_read(struct clocksource *); static struct clocksource clocksource_timebase = { .name = "timebase", .rating = 400, @@ -766,12 +766,12 @@ unsigned long read_persistent_clock(void) } /* clocksource code */ -static cycle_t rtc_read(void) +static cycle_t rtc_read(struct clocksource *cs) { return (cycle_t)get_rtc(); } -static cycle_t timebase_read(void) +static cycle_t timebase_read(struct clocksource *cs) { return (cycle_t)get_tb(); } diff --git a/arch/powerpc/kernel/vmlinux.lds.S b/arch/powerpc/kernel/vmlinux.lds.S index b9ef1644a72..a047a6cfca4 100644 --- a/arch/powerpc/kernel/vmlinux.lds.S +++ b/arch/powerpc/kernel/vmlinux.lds.S @@ -52,9 +52,10 @@ SECTIONS /* Text and gots */ .text : AT(ADDR(.text) - LOAD_OFFSET) { ALIGN_FUNCTION(); - *(.text.head) + HEAD_TEXT _text = .; - *(.text .fixup .text.init.refok .exit.text.refok __ftr_alt_*) + /* careful! __ftr_alt_* sections need to be close to .text */ + *(.text .fixup __ftr_alt_* .ref.text) SCHED_TEXT LOCK_TEXT KPROBES_TEXT |