diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/parisc/boot/Makefile | 6 | ||||
| -rw-r--r-- | arch/parisc/include/asm/dma-mapping.h | 46 | ||||
| -rw-r--r-- | arch/parisc/include/asm/hardirq.h | 1 | ||||
| -rw-r--r-- | arch/parisc/include/asm/pci.h | 4 | ||||
| -rw-r--r-- | arch/parisc/include/asm/pdc.h | 1 | ||||
| -rw-r--r-- | arch/parisc/include/asm/pdcpat.h | 4 | ||||
| -rw-r--r-- | arch/parisc/include/uapi/asm/pdc.h | 26 | ||||
| -rw-r--r-- | arch/parisc/kernel/firmware.c | 24 | ||||
| -rw-r--r-- | arch/parisc/kernel/irq.c | 19 | ||||
| -rw-r--r-- | arch/parisc/kernel/processor.c | 9 | ||||
| -rw-r--r-- | arch/parisc/kernel/setup.c | 1 | ||||
| -rw-r--r-- | arch/parisc/kernel/smp.c | 1 | ||||
| -rw-r--r-- | arch/parisc/kernel/traps.c | 4 | ||||
| -rw-r--r-- | arch/parisc/mm/init.c | 52 |
14 files changed, 101 insertions, 97 deletions
diff --git a/arch/parisc/boot/Makefile b/arch/parisc/boot/Makefile index cad68a584884..41cce0706f80 100644 --- a/arch/parisc/boot/Makefile +++ b/arch/parisc/boot/Makefile @@ -2,12 +2,6 @@ # Makefile for the linux parisc-specific parts of the boot image creator. # -COMPILE_VERSION := __linux_compile_version_id__`hostname | \ - tr -c '[0-9A-Za-z]' '_'`__`date | \ - tr -c '[0-9A-Za-z]' '_'`_t - -ccflags-y := -DCOMPILE_VERSION=$(COMPILE_VERSION) -gstabs -I. - targets := image targets += bzImage subdir- := compressed diff --git a/arch/parisc/include/asm/dma-mapping.h b/arch/parisc/include/asm/dma-mapping.h index 44a9f97194aa..d5bd94247371 100644 --- a/arch/parisc/include/asm/dma-mapping.h +++ b/arch/parisc/include/asm/dma-mapping.h @@ -2,8 +2,6 @@ #ifndef _PARISC_DMA_MAPPING_H #define _PARISC_DMA_MAPPING_H -#include <asm/cacheflush.h> - /* ** We need to support 4 different coherent dma models with one binary: ** @@ -28,48 +26,4 @@ static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus) return hppa_dma_ops; } -static inline void * -parisc_walk_tree(struct device *dev) -{ - struct device *otherdev; - if(likely(dev->platform_data != NULL)) - return dev->platform_data; - /* OK, just traverse the bus to find it */ - for(otherdev = dev->parent; otherdev; - otherdev = otherdev->parent) { - if(otherdev->platform_data) { - dev->platform_data = otherdev->platform_data; - break; - } - } - return dev->platform_data; -} - -#define GET_IOC(dev) ({ \ - void *__pdata = parisc_walk_tree(dev); \ - __pdata ? HBA_DATA(__pdata)->iommu : NULL; \ -}) - -#ifdef CONFIG_IOMMU_CCIO -struct parisc_device; -struct ioc; -void * ccio_get_iommu(const struct parisc_device *dev); -int ccio_request_resource(const struct parisc_device *dev, - struct resource *res); -int ccio_allocate_resource(const struct parisc_device *dev, - struct resource *res, unsigned long size, - unsigned long min, unsigned long max, unsigned long align); -#else /* !CONFIG_IOMMU_CCIO */ -#define ccio_get_iommu(dev) NULL -#define ccio_request_resource(dev, res) insert_resource(&iomem_resource, res) -#define ccio_allocate_resource(dev, res, size, min, max, align) \ - allocate_resource(&iomem_resource, res, size, min, max, \ - align, NULL, NULL) -#endif /* !CONFIG_IOMMU_CCIO */ - -#ifdef CONFIG_IOMMU_SBA -struct parisc_device; -void * sba_get_iommu(struct parisc_device *dev); -#endif - #endif diff --git a/arch/parisc/include/asm/hardirq.h b/arch/parisc/include/asm/hardirq.h index 1a1235a9d533..7f7039516e53 100644 --- a/arch/parisc/include/asm/hardirq.h +++ b/arch/parisc/include/asm/hardirq.h @@ -22,6 +22,7 @@ typedef struct { unsigned int irq_stack_usage; #ifdef CONFIG_SMP unsigned int irq_resched_count; + unsigned int irq_call_count; #endif unsigned int irq_unaligned_count; unsigned int irq_fpassist_count; diff --git a/arch/parisc/include/asm/pci.h b/arch/parisc/include/asm/pci.h index 3328fd17c19d..f14465b84de4 100644 --- a/arch/parisc/include/asm/pci.h +++ b/arch/parisc/include/asm/pci.h @@ -56,7 +56,7 @@ struct pci_hba_data { #define DINO_MAX_LMMIO_RESOURCES 3 unsigned long lmmio_space_offset; /* CPU view - PCI view */ - void * iommu; /* IOMMU this device is under */ + struct ioc *iommu; /* IOMMU this device is under */ /* REVISIT - spinlock to protect resources? */ #define HBA_NAME_SIZE 16 @@ -66,8 +66,6 @@ struct pci_hba_data { char gmmio_name[HBA_NAME_SIZE]; }; -#define HBA_DATA(d) ((struct pci_hba_data *) (d)) - /* ** We support 2^16 I/O ports per HBA. These are set up in the form ** 0xbbxxxx, where bb is the bus number and xxxx is the I/O port diff --git a/arch/parisc/include/asm/pdc.h b/arch/parisc/include/asm/pdc.h index 5b187d40d604..19bb2e46cd36 100644 --- a/arch/parisc/include/asm/pdc.h +++ b/arch/parisc/include/asm/pdc.h @@ -44,6 +44,7 @@ int pdc_model_sysmodel(char *name); int pdc_model_cpuid(unsigned long *cpu_id); int pdc_model_versions(unsigned long *versions, int id); int pdc_model_capabilities(unsigned long *capabilities); +int pdc_model_platform_info(char *orig_prod_num, char *current_prod_num, char *serial_no); int pdc_cache_info(struct pdc_cache_info *cache); int pdc_spaceid_bits(unsigned long *space_bits); #ifndef CONFIG_PA20 diff --git a/arch/parisc/include/asm/pdcpat.h b/arch/parisc/include/asm/pdcpat.h index bce9ee1c1c99..24355ed1453a 100644 --- a/arch/parisc/include/asm/pdcpat.h +++ b/arch/parisc/include/asm/pdcpat.h @@ -67,6 +67,10 @@ #define PDC_PAT_CHASSIS_READ_LOG 1L /* Read Log Entry */ +/* PDC PAT COMPLEX */ + +#define PDC_PAT_COMPLEX 66L + /* PDC PAT CPU -- CPU configuration within the protection domain */ #define PDC_PAT_CPU 67L diff --git a/arch/parisc/include/uapi/asm/pdc.h b/arch/parisc/include/uapi/asm/pdc.h index 593eeb573138..15211723ebf5 100644 --- a/arch/parisc/include/uapi/asm/pdc.h +++ b/arch/parisc/include/uapi/asm/pdc.h @@ -60,6 +60,8 @@ #define PDC_MODEL_NVA_UNSUPPORTED (3 << 4) #define PDC_MODEL_GET_BOOT__OP 8 /* returns boot test options */ #define PDC_MODEL_SET_BOOT__OP 9 /* set boot test options */ +#define PDC_MODEL_GET_PLATFORM_INFO 10 /* returns platform info */ +#define PDC_MODEL_GET_INSTALL_KERNEL 11 /* returns kernel for installation */ #define PA89_INSTRUCTION_SET 0x4 /* capabilities returned */ #define PA90_INSTRUCTION_SET 0x8 @@ -99,7 +101,7 @@ #define PDC_TOD 9 /* time-of-day clock (TOD) */ #define PDC_TOD_READ 0 /* read TOD */ #define PDC_TOD_WRITE 1 /* write TOD */ - +#define PDC_TOD_CALIBRATE 2 /* calibrate timers */ #define PDC_STABLE 10 /* stable storage (sprockets) */ #define PDC_STABLE_READ 0 @@ -109,15 +111,22 @@ #define PDC_STABLE_INITIALIZE 4 #define PDC_NVOLATILE 11 /* often not implemented */ +#define PDC_NVOLATILE_READ 0 +#define PDC_NVOLATILE_WRITE 1 +#define PDC_NVOLATILE_RETURN_SIZE 2 +#define PDC_NVOLATILE_VERIFY_CONTENTS 3 +#define PDC_NVOLATILE_INITIALIZE 4 #define PDC_ADD_VALID 12 /* Memory validation PDC call */ #define PDC_ADD_VALID_VERIFY 0 /* Make PDC_ADD_VALID verify region */ +#define PDC_DEBUG 14 /* Obsolete */ + #define PDC_INSTR 15 /* get instr to invoke PDCE_CHECK() */ #define PDC_PROC 16 /* (sprockets) */ -#define PDC_CONFIG 16 /* (sprockets) */ +#define PDC_CONFIG 17 /* (sprockets) */ #define PDC_CONFIG_DECONFIG 0 #define PDC_CONFIG_DRECONFIG 1 #define PDC_CONFIG_DRETURN_CONFIG 2 @@ -167,6 +176,15 @@ #define PDC_SOFT_POWER_INFO 0 /* return info about the soft power switch */ #define PDC_SOFT_POWER_ENABLE 1 /* enable/disable soft power switch */ +#define PDC_ALLOC 24 /* allocate static storage for PDC & IODC */ + +#define PDC_CRASH_PREP 25 /* Prepare system for crash dump */ +#define PDC_CRASH_DUMP 0 /* Do platform specific preparations for dump */ +#define PDC_CRASH_LOG_CEC_ERROR 1 /* Dump hardware registers */ + +#define PDC_SCSI_PARMS 26 /* Get and set SCSI parameters */ +#define PDC_SCSI_GET_PARMS 0 /* Get SCSI parameters for I/O device */ +#define PDC_SCSI_SET_PARMS 1 /* Set SCSI parameters for I/O device */ /* HVERSION dependent */ @@ -260,6 +278,10 @@ #define PDC_PCI_READ_MON_TYPE 15 #define PDC_PCI_WRITE_MON_TYPE 16 +#define PDC_RELOCATE 149 /* (sprockets) */ +#define PDC_RELOCATE_GET_RELOCINFO 0 +#define PDC_RELOCATE_CHECKSUM 1 +#define PDC_RELOCATE_RELOCATE 2 /* Get SCSI Interface Card info: SDTR, SCSI ID, mode (SE vs LVD) */ #define PDC_INITIATOR 163 diff --git a/arch/parisc/kernel/firmware.c b/arch/parisc/kernel/firmware.c index e6f3b49f2fd7..7a17551ea31e 100644 --- a/arch/parisc/kernel/firmware.c +++ b/arch/parisc/kernel/firmware.c @@ -569,6 +569,30 @@ int pdc_model_capabilities(unsigned long *capabilities) } /** + * pdc_model_platform_info - Returns machine product and serial number. + * @orig_prod_num: Return buffer for original product number. + * @current_prod_num: Return buffer for current product number. + * @serial_no: Return buffer for serial number. + * + * Returns strings containing the original and current product numbers and the + * serial number of the system. + */ +int pdc_model_platform_info(char *orig_prod_num, char *current_prod_num, + char *serial_no) +{ + int retval; + unsigned long flags; + + spin_lock_irqsave(&pdc_lock, flags); + retval = mem_pdc_call(PDC_MODEL, PDC_MODEL_GET_PLATFORM_INFO, + __pa(orig_prod_num), __pa(current_prod_num), __pa(serial_no)); + convert_to_wide(pdc_result); + spin_unlock_irqrestore(&pdc_lock, flags); + + return retval; +} + +/** * pdc_cache_info - Return cache and TLB information. * @cache_info: The return buffer. * diff --git a/arch/parisc/kernel/irq.c b/arch/parisc/kernel/irq.c index 0ca254085a66..23040a67583e 100644 --- a/arch/parisc/kernel/irq.c +++ b/arch/parisc/kernel/irq.c @@ -117,7 +117,10 @@ int cpu_check_affinity(struct irq_data *d, const struct cpumask *dest) return -EINVAL; /* whatever mask they set, we just allow one CPU */ - cpu_dest = cpumask_first_and(dest, cpu_online_mask); + cpu_dest = cpumask_next_and(d->irq & (num_online_cpus()-1), + dest, cpu_online_mask); + if (cpu_dest >= nr_cpu_ids) + cpu_dest = cpumask_first_and(dest, cpu_online_mask); return cpu_dest; } @@ -175,10 +178,16 @@ int arch_show_interrupts(struct seq_file *p, int prec) # endif #endif #ifdef CONFIG_SMP - seq_printf(p, "%*s: ", prec, "RES"); - for_each_online_cpu(j) - seq_printf(p, "%10u ", irq_stats(j)->irq_resched_count); - seq_puts(p, " Rescheduling interrupts\n"); + if (num_online_cpus() > 1) { + seq_printf(p, "%*s: ", prec, "RES"); + for_each_online_cpu(j) + seq_printf(p, "%10u ", irq_stats(j)->irq_resched_count); + seq_puts(p, " Rescheduling interrupts\n"); + seq_printf(p, "%*s: ", prec, "CAL"); + for_each_online_cpu(j) + seq_printf(p, "%10u ", irq_stats(j)->irq_call_count); + seq_puts(p, " Function call interrupts\n"); + } #endif seq_printf(p, "%*s: ", prec, "UAH"); for_each_online_cpu(j) diff --git a/arch/parisc/kernel/processor.c b/arch/parisc/kernel/processor.c index 82bd0d0927ce..7f4d042856b5 100644 --- a/arch/parisc/kernel/processor.c +++ b/arch/parisc/kernel/processor.c @@ -242,6 +242,7 @@ static int __init processor_probe(struct parisc_device *dev) void __init collect_boot_cpu_data(void) { unsigned long cr16_seed; + char orig_prod_num[64], current_prod_num[64], serial_no[64]; memset(&boot_cpu_data, 0, sizeof(boot_cpu_data)); @@ -301,6 +302,14 @@ void __init collect_boot_cpu_data(void) _parisc_requires_coherency = (boot_cpu_data.cpu_type == mako) || (boot_cpu_data.cpu_type == mako2); #endif + + if (pdc_model_platform_info(orig_prod_num, current_prod_num, serial_no) == PDC_OK) { + printk(KERN_INFO "product %s, original product %s, S/N: %s\n", + current_prod_num, orig_prod_num, serial_no); + add_device_randomness(orig_prod_num, strlen(orig_prod_num)); + add_device_randomness(current_prod_num, strlen(current_prod_num)); + add_device_randomness(serial_no, strlen(serial_no)); + } } diff --git a/arch/parisc/kernel/setup.c b/arch/parisc/kernel/setup.c index f2cf86ac279b..15dd9e21be7e 100644 --- a/arch/parisc/kernel/setup.c +++ b/arch/parisc/kernel/setup.c @@ -40,6 +40,7 @@ #include <linux/sched/clock.h> #include <linux/start_kernel.h> +#include <asm/cacheflush.h> #include <asm/processor.h> #include <asm/sections.h> #include <asm/pdc.h> diff --git a/arch/parisc/kernel/smp.c b/arch/parisc/kernel/smp.c index 5e26dbede5fc..d9e2d69c9e48 100644 --- a/arch/parisc/kernel/smp.c +++ b/arch/parisc/kernel/smp.c @@ -155,6 +155,7 @@ ipi_interrupt(int irq, void *dev_id) case IPI_CALL_FUNC: smp_debug(100, KERN_DEBUG "CPU%d IPI_CALL_FUNC\n", this_cpu); + inc_irq_stat(irq_call_count); generic_smp_call_function_interrupt(); break; diff --git a/arch/parisc/kernel/traps.c b/arch/parisc/kernel/traps.c index 472a818e8c17..7e1ccafadf57 100644 --- a/arch/parisc/kernel/traps.c +++ b/arch/parisc/kernel/traps.c @@ -218,7 +218,7 @@ void die_if_kernel(char *str, struct pt_regs *regs, long err) return; } - oops_in_progress = 1; + bust_spinlocks(1); oops_enter(); @@ -396,7 +396,7 @@ void parisc_terminate(char *msg, struct pt_regs *regs, int code, unsigned long o { static DEFINE_SPINLOCK(terminate_lock); - oops_in_progress = 1; + bust_spinlocks(1); set_eiem(0); local_irq_disable(); diff --git a/arch/parisc/mm/init.c b/arch/parisc/mm/init.c index 059187a3ded7..d0b166256f1a 100644 --- a/arch/parisc/mm/init.c +++ b/arch/parisc/mm/init.c @@ -79,36 +79,6 @@ static struct resource sysram_resources[MAX_PHYSMEM_RANGES] __read_mostly; physmem_range_t pmem_ranges[MAX_PHYSMEM_RANGES] __read_mostly; int npmem_ranges __read_mostly; -/* - * get_memblock() allocates pages via memblock. - * We can't use memblock_find_in_range(0, KERNEL_INITIAL_SIZE) here since it - * doesn't allocate from bottom to top which is needed because we only created - * the initial mapping up to KERNEL_INITIAL_SIZE in the assembly bootup code. - */ -static void * __init get_memblock(unsigned long size) -{ - static phys_addr_t search_addr __initdata; - phys_addr_t phys; - - if (!search_addr) - search_addr = PAGE_ALIGN(__pa((unsigned long) &_end)); - search_addr = ALIGN(search_addr, size); - while (!memblock_is_region_memory(search_addr, size) || - memblock_is_region_reserved(search_addr, size)) { - search_addr += size; - } - phys = search_addr; - - if (phys) - memblock_reserve(phys, size); - else - panic("get_memblock() failed.\n"); - - memset(__va(phys), 0, size); - - return __va(phys); -} - #ifdef CONFIG_64BIT #define MAX_MEM (~0UL) #else /* !CONFIG_64BIT */ @@ -321,6 +291,13 @@ static void __init setup_bootmem(void) max_pfn = start_pfn + npages; } + /* + * We can't use memblock top-down allocations because we only + * created the initial mapping up to KERNEL_INITIAL_SIZE in + * the assembly bootup code. + */ + memblock_set_bottom_up(true); + /* IOMMU is always used to access "high mem" on those boxes * that can support enough mem that a PCI device couldn't * directly DMA to any physical addresses. @@ -442,7 +419,10 @@ static void __init map_pages(unsigned long start_vaddr, */ if (!pmd) { - pmd = (pmd_t *) get_memblock(PAGE_SIZE << PMD_ORDER); + pmd = memblock_alloc(PAGE_SIZE << PMD_ORDER, + PAGE_SIZE << PMD_ORDER); + if (!pmd) + panic("pmd allocation failed.\n"); pmd = (pmd_t *) __pa(pmd); } @@ -461,7 +441,10 @@ static void __init map_pages(unsigned long start_vaddr, pg_table = (pte_t *)pmd_address(*pmd); if (!pg_table) { - pg_table = (pte_t *) get_memblock(PAGE_SIZE); + pg_table = memblock_alloc(PAGE_SIZE, + PAGE_SIZE); + if (!pg_table) + panic("page table allocation failed\n"); pg_table = (pte_t *) __pa(pg_table); } @@ -700,7 +683,10 @@ static void __init pagetable_init(void) } #endif - empty_zero_page = get_memblock(PAGE_SIZE); + empty_zero_page = memblock_alloc(PAGE_SIZE, PAGE_SIZE); + if (!empty_zero_page) + panic("zero page allocation failed.\n"); + } static void __init gateway_init(void) |