diff options
Diffstat (limited to 'arch/microblaze')
| -rw-r--r-- | arch/microblaze/Kconfig | 5 | ||||
| -rw-r--r-- | arch/microblaze/include/asm/Kbuild | 1 | ||||
| -rw-r--r-- | arch/microblaze/include/asm/io.h | 8 | ||||
| -rw-r--r-- | arch/microblaze/include/asm/pgtable.h | 1 | ||||
| -rw-r--r-- | arch/microblaze/include/asm/tlb.h | 3 | ||||
| -rw-r--r-- | arch/microblaze/include/asm/unistd.h | 2 | ||||
| -rw-r--r-- | arch/microblaze/include/uapi/asm/unistd.h | 1 | ||||
| -rw-r--r-- | arch/microblaze/kernel/dma.c | 27 | ||||
| -rw-r--r-- | arch/microblaze/kernel/syscall_table.S | 1 | ||||
| -rw-r--r-- | arch/microblaze/mm/consistent.c | 25 | ||||
| -rw-r--r-- | arch/microblaze/pci/pci-common.c | 9 |
11 files changed, 65 insertions, 18 deletions
diff --git a/arch/microblaze/Kconfig b/arch/microblaze/Kconfig index 6feded3b0c4c..0bce820428fc 100644 --- a/arch/microblaze/Kconfig +++ b/arch/microblaze/Kconfig @@ -1,5 +1,6 @@ config MICROBLAZE def_bool y + select ARCH_HAS_GCOV_PROFILE_ALL select ARCH_MIGHT_HAVE_PC_PARPORT select ARCH_WANT_IPC_PARSE_VERSION select ARCH_WANT_OPTIONAL_GPIOLIB @@ -129,6 +130,10 @@ endmenu menu "Kernel features" +config NR_CPUS + int + default "1" + config ADVANCED_OPTIONS bool "Prompt for advanced kernel configuration options" help diff --git a/arch/microblaze/include/asm/Kbuild b/arch/microblaze/include/asm/Kbuild index 448143b8cabd..ab564a6db5c3 100644 --- a/arch/microblaze/include/asm/Kbuild +++ b/arch/microblaze/include/asm/Kbuild @@ -4,7 +4,6 @@ generic-y += clkdev.h generic-y += cputime.h generic-y += device.h generic-y += exec.h -generic-y += hash.h generic-y += irq_work.h generic-y += mcs_spinlock.h generic-y += preempt.h diff --git a/arch/microblaze/include/asm/io.h b/arch/microblaze/include/asm/io.h index 433751b2a003..940f5fc1d1da 100644 --- a/arch/microblaze/include/asm/io.h +++ b/arch/microblaze/include/asm/io.h @@ -69,12 +69,4 @@ extern void __iomem *ioremap(phys_addr_t address, unsigned long size); #include <asm-generic/io.h> -#define readb_relaxed readb -#define readw_relaxed readw -#define readl_relaxed readl - -#define writeb_relaxed writeb -#define writew_relaxed writew -#define writel_relaxed writel - #endif /* _ASM_MICROBLAZE_IO_H */ diff --git a/arch/microblaze/include/asm/pgtable.h b/arch/microblaze/include/asm/pgtable.h index 95cef0b5f836..df19d0c47be8 100644 --- a/arch/microblaze/include/asm/pgtable.h +++ b/arch/microblaze/include/asm/pgtable.h @@ -565,6 +565,7 @@ void consistent_free(size_t size, void *vaddr); void consistent_sync(void *vaddr, size_t size, int direction); void consistent_sync_page(struct page *page, unsigned long offset, size_t size, int direction); +unsigned long consistent_virt_to_pfn(void *vaddr); void setup_memory(void); #endif /* __ASSEMBLY__ */ diff --git a/arch/microblaze/include/asm/tlb.h b/arch/microblaze/include/asm/tlb.h index 8aa97817cc8c..99b6ded54849 100644 --- a/arch/microblaze/include/asm/tlb.h +++ b/arch/microblaze/include/asm/tlb.h @@ -14,7 +14,6 @@ #define tlb_flush(tlb) flush_tlb_mm((tlb)->mm) #include <linux/pagemap.h> -#include <asm-generic/tlb.h> #ifdef CONFIG_MMU #define tlb_start_vma(tlb, vma) do { } while (0) @@ -22,4 +21,6 @@ #define __tlb_remove_tlb_entry(tlb, pte, address) do { } while (0) #endif +#include <asm-generic/tlb.h> + #endif /* _ASM_MICROBLAZE_TLB_H */ diff --git a/arch/microblaze/include/asm/unistd.h b/arch/microblaze/include/asm/unistd.h index ea4b233647c1..0a53362d5548 100644 --- a/arch/microblaze/include/asm/unistd.h +++ b/arch/microblaze/include/asm/unistd.h @@ -38,6 +38,6 @@ #endif /* __ASSEMBLY__ */ -#define __NR_syscalls 387 +#define __NR_syscalls 388 #endif /* _ASM_MICROBLAZE_UNISTD_H */ diff --git a/arch/microblaze/include/uapi/asm/unistd.h b/arch/microblaze/include/uapi/asm/unistd.h index 1c2380bf8fe6..c712677f8a2a 100644 --- a/arch/microblaze/include/uapi/asm/unistd.h +++ b/arch/microblaze/include/uapi/asm/unistd.h @@ -402,5 +402,6 @@ #define __NR_seccomp 384 #define __NR_getrandom 385 #define __NR_memfd_create 386 +#define __NR_bpf 387 #endif /* _UAPI_ASM_MICROBLAZE_UNISTD_H */ diff --git a/arch/microblaze/kernel/dma.c b/arch/microblaze/kernel/dma.c index 4633c36c1b32..ed7ba8a11822 100644 --- a/arch/microblaze/kernel/dma.c +++ b/arch/microblaze/kernel/dma.c @@ -154,9 +154,36 @@ dma_direct_sync_sg_for_device(struct device *dev, __dma_sync(sg->dma_address, sg->length, direction); } +int dma_direct_mmap_coherent(struct device *dev, struct vm_area_struct *vma, + void *cpu_addr, dma_addr_t handle, size_t size, + struct dma_attrs *attrs) +{ +#ifdef CONFIG_MMU + unsigned long user_count = (vma->vm_end - vma->vm_start) >> PAGE_SHIFT; + unsigned long count = PAGE_ALIGN(size) >> PAGE_SHIFT; + unsigned long off = vma->vm_pgoff; + unsigned long pfn; + + if (off >= count || user_count > (count - off)) + return -ENXIO; + +#ifdef NOT_COHERENT_CACHE + vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); + pfn = consistent_virt_to_pfn(cpu_addr); +#else + pfn = virt_to_pfn(cpu_addr); +#endif + return remap_pfn_range(vma, vma->vm_start, pfn + off, + vma->vm_end - vma->vm_start, vma->vm_page_prot); +#else + return -ENXIO; +#endif +} + struct dma_map_ops dma_direct_ops = { .alloc = dma_direct_alloc_coherent, .free = dma_direct_free_coherent, + .mmap = dma_direct_mmap_coherent, .map_sg = dma_direct_map_sg, .dma_supported = dma_direct_dma_supported, .map_page = dma_direct_map_page, diff --git a/arch/microblaze/kernel/syscall_table.S b/arch/microblaze/kernel/syscall_table.S index de59ee1d7010..0166e890486c 100644 --- a/arch/microblaze/kernel/syscall_table.S +++ b/arch/microblaze/kernel/syscall_table.S @@ -387,3 +387,4 @@ ENTRY(sys_call_table) .long sys_seccomp .long sys_getrandom /* 385 */ .long sys_memfd_create + .long sys_bpf diff --git a/arch/microblaze/mm/consistent.c b/arch/microblaze/mm/consistent.c index e10ad930895e..b06c3a7faf20 100644 --- a/arch/microblaze/mm/consistent.c +++ b/arch/microblaze/mm/consistent.c @@ -156,6 +156,25 @@ void *consistent_alloc(gfp_t gfp, size_t size, dma_addr_t *dma_handle) } EXPORT_SYMBOL(consistent_alloc); +#ifdef CONFIG_MMU +static pte_t *consistent_virt_to_pte(void *vaddr) +{ + unsigned long addr = (unsigned long)vaddr; + + return pte_offset_kernel(pmd_offset(pgd_offset_k(addr), addr), addr); +} + +unsigned long consistent_virt_to_pfn(void *vaddr) +{ + pte_t *ptep = consistent_virt_to_pte(vaddr); + + if (pte_none(*ptep) || !pte_present(*ptep)) + return 0; + + return pte_pfn(*ptep); +} +#endif + /* * free page(s) as defined by the above mapping. */ @@ -181,13 +200,9 @@ void consistent_free(size_t size, void *vaddr) } while (size -= PAGE_SIZE); #else do { - pte_t *ptep; + pte_t *ptep = consistent_virt_to_pte(vaddr); unsigned long pfn; - ptep = pte_offset_kernel(pmd_offset(pgd_offset_k( - (unsigned int)vaddr), - (unsigned int)vaddr), - (unsigned int)vaddr); if (!pte_none(*ptep) && pte_present(*ptep)) { pfn = pte_pfn(*ptep); pte_clear(&init_mm, (unsigned int)vaddr, ptep); diff --git a/arch/microblaze/pci/pci-common.c b/arch/microblaze/pci/pci-common.c index 9037914f6985..b30e41c0c033 100644 --- a/arch/microblaze/pci/pci-common.c +++ b/arch/microblaze/pci/pci-common.c @@ -660,8 +660,13 @@ void pci_process_bridge_OF_ranges(struct pci_controller *hose, res = &hose->mem_resources[memno++]; break; } - if (res != NULL) - of_pci_range_to_resource(&range, dev, res); + if (res != NULL) { + res->name = dev->full_name; + res->flags = range.flags; + res->start = range.cpu_addr; + res->end = range.cpu_addr + range.size - 1; + res->parent = res->child = res->sibling = NULL; + } } /* If there's an ISA hole and the pci_mem_offset is -not- matching |
