diff options
Diffstat (limited to 'arch/sh')
| -rw-r--r-- | arch/sh/Kconfig | 11 | ||||
| -rw-r--r-- | arch/sh/drivers/dma/dma-api.c | 14 | ||||
| -rw-r--r-- | arch/sh/include/asm/pci.h | 6 | ||||
| -rw-r--r-- | arch/sh/kernel/cpu/sh2/probe.c | 4 | ||||
| -rw-r--r-- | arch/sh/kernel/dma-nommu.c | 1 | ||||
| -rw-r--r-- | arch/sh/kernel/setup.c | 1 | ||||
| -rw-r--r-- | arch/sh/mm/consistent.c | 20 | ||||
| -rw-r--r-- | arch/sh/mm/init.c | 68 | ||||
| -rw-r--r-- | arch/sh/mm/numa.c | 19 |
9 files changed, 23 insertions, 121 deletions
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig index 97fe29316476..a97538b607a4 100644 --- a/arch/sh/Kconfig +++ b/arch/sh/Kconfig @@ -9,11 +9,11 @@ config SUPERH select HAVE_IDE if HAS_IOPORT_MAP select HAVE_MEMBLOCK select HAVE_MEMBLOCK_NODE_MAP + select NO_BOOTMEM select ARCH_DISCARD_MEMBLOCK select HAVE_OPROFILE select HAVE_GENERIC_DMA_COHERENT select HAVE_ARCH_TRACEHOOK - select HAVE_DMA_API_DEBUG select HAVE_PERF_EVENTS select HAVE_DEBUG_BUGVERBOSE select ARCH_HAVE_CUSTOM_GPIO_H @@ -50,6 +50,9 @@ config SUPERH select HAVE_ARCH_AUDITSYSCALL select HAVE_FUTEX_CMPXCHG if FUTEX select HAVE_NMI + select NEED_DMA_MAP_STATE + select NEED_SG_DMA_LENGTH + help The SuperH is a RISC processor targeted for use in embedded systems and consumer electronics; it was also used in the Sega Dreamcast @@ -160,12 +163,6 @@ config DMA_COHERENT config DMA_NONCOHERENT def_bool !DMA_COHERENT -config NEED_DMA_MAP_STATE - def_bool DMA_NONCOHERENT - -config NEED_SG_DMA_LENGTH - def_bool y - config PGTABLE_LEVELS default 3 if X2TLB default 2 diff --git a/arch/sh/drivers/dma/dma-api.c b/arch/sh/drivers/dma/dma-api.c index c0eec08d8f95..b05be597b19f 100644 --- a/arch/sh/drivers/dma/dma-api.c +++ b/arch/sh/drivers/dma/dma-api.c @@ -339,18 +339,6 @@ static int dma_proc_show(struct seq_file *m, void *v) return 0; } -static int dma_proc_open(struct inode *inode, struct file *file) -{ - return single_open(file, dma_proc_show, NULL); -} - -static const struct file_operations dma_proc_fops = { - .open = dma_proc_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; - int register_dmac(struct dma_info *info) { unsigned int total_channels, i; @@ -423,7 +411,7 @@ EXPORT_SYMBOL(unregister_dmac); static int __init dma_api_init(void) { printk(KERN_NOTICE "DMA: Registering DMA API.\n"); - return proc_create("dma", 0, NULL, &dma_proc_fops) ? 0 : -ENOMEM; + return proc_create_single("dma", 0, NULL, dma_proc_show) ? 0 : -ENOMEM; } subsys_initcall(dma_api_init); diff --git a/arch/sh/include/asm/pci.h b/arch/sh/include/asm/pci.h index 0033f0df2b3b..10a36b1cf2ea 100644 --- a/arch/sh/include/asm/pci.h +++ b/arch/sh/include/asm/pci.h @@ -71,12 +71,6 @@ extern unsigned long PCIBIOS_MIN_IO, PCIBIOS_MIN_MEM; * SuperH has everything mapped statically like x86. */ -/* The PCI address space does equal the physical memory - * address space. The networking and block device layers use - * this boolean for bounce buffer decisions. - */ -#define PCI_DMA_BUS_IS_PHYS (dma_ops->is_phys) - #ifdef CONFIG_PCI /* * None of the SH PCI controllers support MWI, it is always treated as a diff --git a/arch/sh/kernel/cpu/sh2/probe.c b/arch/sh/kernel/cpu/sh2/probe.c index 4205f6d42b69..a5bd03642678 100644 --- a/arch/sh/kernel/cpu/sh2/probe.c +++ b/arch/sh/kernel/cpu/sh2/probe.c @@ -43,7 +43,11 @@ void __ref cpu_probe(void) #endif #if defined(CONFIG_CPU_J2) +#if defined(CONFIG_SMP) unsigned cpu = hard_smp_processor_id(); +#else + unsigned cpu = 0; +#endif if (cpu == 0) of_scan_flat_dt(scan_cache, NULL); if (j2_ccr_base) __raw_writel(0x80000303, j2_ccr_base + 4*cpu); if (cpu != 0) return; diff --git a/arch/sh/kernel/dma-nommu.c b/arch/sh/kernel/dma-nommu.c index 178457d7620c..3e3a32fc676e 100644 --- a/arch/sh/kernel/dma-nommu.c +++ b/arch/sh/kernel/dma-nommu.c @@ -78,7 +78,6 @@ const struct dma_map_ops nommu_dma_ops = { .sync_single_for_device = nommu_sync_single_for_device, .sync_sg_for_device = nommu_sync_sg_for_device, #endif - .is_phys = 1, }; void __init no_iommu_init(void) diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c index d34e998b809f..c286cf5da6e7 100644 --- a/arch/sh/kernel/setup.c +++ b/arch/sh/kernel/setup.c @@ -11,7 +11,6 @@ #include <linux/ioport.h> #include <linux/init.h> #include <linux/initrd.h> -#include <linux/bootmem.h> #include <linux/console.h> #include <linux/root_dev.h> #include <linux/utsname.h> diff --git a/arch/sh/mm/consistent.c b/arch/sh/mm/consistent.c index 8ce98691d822..fceb2adfcac7 100644 --- a/arch/sh/mm/consistent.c +++ b/arch/sh/mm/consistent.c @@ -20,18 +20,9 @@ #include <asm/cacheflush.h> #include <asm/addrspace.h> -#define PREALLOC_DMA_DEBUG_ENTRIES 4096 - const struct dma_map_ops *dma_ops; EXPORT_SYMBOL(dma_ops); -static int __init dma_init(void) -{ - dma_debug_init(PREALLOC_DMA_DEBUG_ENTRIES); - return 0; -} -fs_initcall(dma_init); - void *dma_generic_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle, gfp_t gfp, unsigned long attrs) @@ -59,7 +50,9 @@ void *dma_generic_alloc_coherent(struct device *dev, size_t size, split_page(pfn_to_page(virt_to_phys(ret) >> PAGE_SHIFT), order); - *dma_handle = virt_to_phys(ret) - PFN_PHYS(dev->dma_pfn_offset); + *dma_handle = virt_to_phys(ret); + if (!WARN_ON(!dev)) + *dma_handle -= PFN_PHYS(dev->dma_pfn_offset); return ret_nocache; } @@ -69,9 +62,12 @@ void dma_generic_free_coherent(struct device *dev, size_t size, unsigned long attrs) { int order = get_order(size); - unsigned long pfn = (dma_handle >> PAGE_SHIFT) + dev->dma_pfn_offset; + unsigned long pfn = dma_handle >> PAGE_SHIFT; int k; + if (!WARN_ON(!dev)) + pfn += dev->dma_pfn_offset; + for (k = 0; k < (1 << order); k++) __free_pages(pfn_to_page(pfn + k), 0); @@ -143,7 +139,7 @@ int __init platform_resource_setup_memory(struct platform_device *pdev, if (!memsize) return 0; - buf = dma_alloc_coherent(NULL, memsize, &dma_handle, GFP_KERNEL); + buf = dma_alloc_coherent(&pdev->dev, memsize, &dma_handle, GFP_KERNEL); if (!buf) { pr_warning("%s: unable to allocate memory\n", name); return -ENOMEM; diff --git a/arch/sh/mm/init.c b/arch/sh/mm/init.c index ce0bbaa7e404..4034035fbede 100644 --- a/arch/sh/mm/init.c +++ b/arch/sh/mm/init.c @@ -211,59 +211,15 @@ void __init allocate_pgdat(unsigned int nid) NODE_DATA(nid) = __va(phys); memset(NODE_DATA(nid), 0, sizeof(struct pglist_data)); - - NODE_DATA(nid)->bdata = &bootmem_node_data[nid]; #endif NODE_DATA(nid)->node_start_pfn = start_pfn; NODE_DATA(nid)->node_spanned_pages = end_pfn - start_pfn; } -static void __init bootmem_init_one_node(unsigned int nid) -{ - unsigned long total_pages, paddr; - unsigned long end_pfn; - struct pglist_data *p; - - p = NODE_DATA(nid); - - /* Nothing to do.. */ - if (!p->node_spanned_pages) - return; - - end_pfn = pgdat_end_pfn(p); - - total_pages = bootmem_bootmap_pages(p->node_spanned_pages); - - paddr = memblock_alloc(total_pages << PAGE_SHIFT, PAGE_SIZE); - if (!paddr) - panic("Can't allocate bootmap for nid[%d]\n", nid); - - init_bootmem_node(p, paddr >> PAGE_SHIFT, p->node_start_pfn, end_pfn); - - free_bootmem_with_active_regions(nid, end_pfn); - - /* - * XXX Handle initial reservations for the system memory node - * only for the moment, we'll refactor this later for handling - * reservations in other nodes. - */ - if (nid == 0) { - struct memblock_region *reg; - - /* Reserve the sections we're already using. */ - for_each_memblock(reserved, reg) { - reserve_bootmem(reg->base, reg->size, BOOTMEM_DEFAULT); - } - } - - sparse_memory_present_with_active_regions(nid); -} - static void __init do_init_bootmem(void) { struct memblock_region *reg; - int i; /* Add active regions with valid PFNs. */ for_each_memblock(memory, reg) { @@ -279,9 +235,12 @@ static void __init do_init_bootmem(void) plat_mem_setup(); - for_each_online_node(i) - bootmem_init_one_node(i); + for_each_memblock(memory, reg) { + int nid = memblock_get_region_node(reg); + memory_present(nid, memblock_region_memory_base_pfn(reg), + memblock_region_memory_end_pfn(reg)); + } sparse_init(); } @@ -322,7 +281,6 @@ void __init paging_init(void) { unsigned long max_zone_pfns[MAX_NR_ZONES]; unsigned long vaddr, end; - int nid; sh_mv.mv_mem_init(); @@ -377,21 +335,7 @@ void __init paging_init(void) kmap_coherent_init(); memset(max_zone_pfns, 0, sizeof(max_zone_pfns)); - - for_each_online_node(nid) { - pg_data_t *pgdat = NODE_DATA(nid); - unsigned long low, start_pfn; - - start_pfn = pgdat->bdata->node_min_pfn; - low = pgdat->bdata->node_low_pfn; - - if (max_zone_pfns[ZONE_NORMAL] < low) - max_zone_pfns[ZONE_NORMAL] = low; - - printk("Node %u: start_pfn = 0x%lx, low = 0x%lx\n", - nid, start_pfn, low); - } - + max_zone_pfns[ZONE_NORMAL] = max_low_pfn; free_area_init_nodes(max_zone_pfns); } diff --git a/arch/sh/mm/numa.c b/arch/sh/mm/numa.c index 05713d190247..830e8b3684e4 100644 --- a/arch/sh/mm/numa.c +++ b/arch/sh/mm/numa.c @@ -8,7 +8,6 @@ * for more details. */ #include <linux/module.h> -#include <linux/bootmem.h> #include <linux/memblock.h> #include <linux/mm.h> #include <linux/numa.h> @@ -26,9 +25,7 @@ EXPORT_SYMBOL_GPL(node_data); */ void __init setup_bootmem_node(int nid, unsigned long start, unsigned long end) { - unsigned long bootmap_pages; unsigned long start_pfn, end_pfn; - unsigned long bootmem_paddr; /* Don't allow bogus node assignment */ BUG_ON(nid >= MAX_NUMNODES || nid <= 0); @@ -48,25 +45,9 @@ void __init setup_bootmem_node(int nid, unsigned long start, unsigned long end) SMP_CACHE_BYTES, end)); memset(NODE_DATA(nid), 0, sizeof(struct pglist_data)); - NODE_DATA(nid)->bdata = &bootmem_node_data[nid]; NODE_DATA(nid)->node_start_pfn = start_pfn; NODE_DATA(nid)->node_spanned_pages = end_pfn - start_pfn; - /* Node-local bootmap */ - bootmap_pages = bootmem_bootmap_pages(end_pfn - start_pfn); - bootmem_paddr = memblock_alloc_base(bootmap_pages << PAGE_SHIFT, - PAGE_SIZE, end); - init_bootmem_node(NODE_DATA(nid), bootmem_paddr >> PAGE_SHIFT, - start_pfn, end_pfn); - - free_bootmem_with_active_regions(nid, end_pfn); - - /* Reserve the pgdat and bootmap space with the bootmem allocator */ - reserve_bootmem_node(NODE_DATA(nid), start_pfn << PAGE_SHIFT, - sizeof(struct pglist_data), BOOTMEM_DEFAULT); - reserve_bootmem_node(NODE_DATA(nid), bootmem_paddr, - bootmap_pages << PAGE_SHIFT, BOOTMEM_DEFAULT); - /* It's up */ node_set_online(nid); |