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author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-10-07 12:08:40 (GMT) |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-10-07 12:08:40 (GMT) |
commit | 5cad3598ea0cdb817681f74518d3213583a04f7a (patch) | |
tree | 792786bea205f6eef7274b65e1e1e63d21df511d /arch/microblaze/include/asm | |
parent | 638c87a91666df1f16866badee862ce38bf31e4a (diff) | |
parent | 94fda49a948a5999699359313a2f857f9d11ff19 (diff) | |
download | linux-5cad3598ea0cdb817681f74518d3213583a04f7a.tar.xz |
Merge branch 'next' of git://git.monstr.eu/linux-2.6-microblaze
Pull microblaze arch updates from Michal Simek.
* 'next' of git://git.monstr.eu/linux-2.6-microblaze:
Revert "microblaze_mmu_v2: Update signal returning address"
microblaze: Added more support for PCI
microblaze: Prefer to use pr_XXX instead of printk(KERN_XX)
microblaze: Fix bug with passing command line
microblaze: Remove PAGE properties duplication
microblaze: Remove additional andi which has been already done
microblaze: Use predefined macro for ESR_DIZ
microblaze: Support 4k/16k/64k pages
microblaze: Do not used hardcoded value in exception handler
microblaze: Added fdt chosen capability for timer
microblaze: Add support for ioreadXX/iowriteXX_rep
microblaze: Improve failure handling for GPIO reset
microblaze: clinkage.h
Diffstat (limited to 'arch/microblaze/include/asm')
-rw-r--r-- | arch/microblaze/include/asm/clinkage.h | 1 | ||||
-rw-r--r-- | arch/microblaze/include/asm/io.h | 94 | ||||
-rw-r--r-- | arch/microblaze/include/asm/page.h | 9 | ||||
-rw-r--r-- | arch/microblaze/include/asm/pci.h | 2 | ||||
-rw-r--r-- | arch/microblaze/include/asm/pgtable.h | 6 |
5 files changed, 100 insertions, 12 deletions
diff --git a/arch/microblaze/include/asm/clinkage.h b/arch/microblaze/include/asm/clinkage.h deleted file mode 100644 index 9e21843..0000000 --- a/arch/microblaze/include/asm/clinkage.h +++ /dev/null @@ -1 +0,0 @@ -#include <linux/linkage.h> diff --git a/arch/microblaze/include/asm/io.h b/arch/microblaze/include/asm/io.h index 8cdac14..4fbfdc1 100644 --- a/arch/microblaze/include/asm/io.h +++ b/arch/microblaze/include/asm/io.h @@ -35,6 +35,10 @@ extern resource_size_t isa_mem_base; #define IO_SPACE_LIMIT (0xFFFFFFFF) +/* the following is needed to support PCI with some drivers */ + +#define mmiowb() + static inline unsigned char __raw_readb(const volatile void __iomem *addr) { return *(volatile unsigned char __force *)addr; @@ -248,4 +252,94 @@ static inline void __iomem *__ioremap(phys_addr_t address, unsigned long size, #define ioport_map(port, nr) ((void __iomem *)(port)) #define ioport_unmap(addr) +/* from asm-generic/io.h */ +#ifndef insb +static inline void insb(unsigned long addr, void *buffer, int count) +{ + if (count) { + u8 *buf = buffer; + do { + u8 x = inb(addr); + *buf++ = x; + } while (--count); + } +} +#endif + +#ifndef insw +static inline void insw(unsigned long addr, void *buffer, int count) +{ + if (count) { + u16 *buf = buffer; + do { + u16 x = inw(addr); + *buf++ = x; + } while (--count); + } +} +#endif + +#ifndef insl +static inline void insl(unsigned long addr, void *buffer, int count) +{ + if (count) { + u32 *buf = buffer; + do { + u32 x = inl(addr); + *buf++ = x; + } while (--count); + } +} +#endif + +#ifndef outsb +static inline void outsb(unsigned long addr, const void *buffer, int count) +{ + if (count) { + const u8 *buf = buffer; + do { + outb(*buf++, addr); + } while (--count); + } +} +#endif + +#ifndef outsw +static inline void outsw(unsigned long addr, const void *buffer, int count) +{ + if (count) { + const u16 *buf = buffer; + do { + outw(*buf++, addr); + } while (--count); + } +} +#endif + +#ifndef outsl +static inline void outsl(unsigned long addr, const void *buffer, int count) +{ + if (count) { + const u32 *buf = buffer; + do { + outl(*buf++, addr); + } while (--count); + } +} +#endif + +#define ioread8_rep(p, dst, count) \ + insb((unsigned long) (p), (dst), (count)) +#define ioread16_rep(p, dst, count) \ + insw((unsigned long) (p), (dst), (count)) +#define ioread32_rep(p, dst, count) \ + insl((unsigned long) (p), (dst), (count)) + +#define iowrite8_rep(p, src, count) \ + outsb((unsigned long) (p), (src), (count)) +#define iowrite16_rep(p, src, count) \ + outsw((unsigned long) (p), (src), (count)) +#define iowrite32_rep(p, src, count) \ + outsl((unsigned long) (p), (src), (count)) + #endif /* _ASM_MICROBLAZE_IO_H */ diff --git a/arch/microblaze/include/asm/page.h b/arch/microblaze/include/asm/page.h index 287c548..85a5ae8 100644 --- a/arch/microblaze/include/asm/page.h +++ b/arch/microblaze/include/asm/page.h @@ -23,12 +23,10 @@ #ifdef __KERNEL__ /* PAGE_SHIFT determines the page size */ -#if defined(CONFIG_MICROBLAZE_32K_PAGES) -#define PAGE_SHIFT 15 +#if defined(CONFIG_MICROBLAZE_64K_PAGES) +#define PAGE_SHIFT 16 #elif defined(CONFIG_MICROBLAZE_16K_PAGES) #define PAGE_SHIFT 14 -#elif defined(CONFIG_MICROBLAZE_8K_PAGES) -#define PAGE_SHIFT 13 #else #define PAGE_SHIFT 12 #endif @@ -37,6 +35,8 @@ #define LOAD_OFFSET ASM_CONST((CONFIG_KERNEL_START-CONFIG_KERNEL_BASE_ADDR)) +#define PTE_SHIFT (PAGE_SHIFT - 2) /* 1024 ptes per page */ + #ifndef __ASSEMBLY__ /* MS be sure that SLAB allocates aligned objects */ @@ -71,7 +71,6 @@ extern unsigned int __page_offset; * The basic type of a PTE - 32 bit physical addressing. */ typedef unsigned long pte_basic_t; -#define PTE_SHIFT (PAGE_SHIFT - 2) /* 1024 ptes per page */ #define PTE_FMT "%.8lx" #endif /* CONFIG_MMU */ diff --git a/arch/microblaze/include/asm/pci.h b/arch/microblaze/include/asm/pci.h index a0da88b..41cc841 100644 --- a/arch/microblaze/include/asm/pci.h +++ b/arch/microblaze/include/asm/pci.h @@ -22,6 +22,8 @@ #include <asm/prom.h> #include <asm/pci-bridge.h> +#include <asm-generic/pci-dma-compat.h> + #define PCIBIOS_MIN_IO 0x1000 #define PCIBIOS_MIN_MEM 0x10000000 diff --git a/arch/microblaze/include/asm/pgtable.h b/arch/microblaze/include/asm/pgtable.h index 3ef7b9c..a7311cd 100644 --- a/arch/microblaze/include/asm/pgtable.h +++ b/arch/microblaze/include/asm/pgtable.h @@ -234,12 +234,6 @@ static inline pte_t pte_mkspecial(pte_t pte) { return pte; } #ifndef _PAGE_SHARED #define _PAGE_SHARED 0 #endif -#ifndef _PAGE_HWWRITE -#define _PAGE_HWWRITE 0 -#endif -#ifndef _PAGE_HWEXEC -#define _PAGE_HWEXEC 0 -#endif #ifndef _PAGE_EXEC #define _PAGE_EXEC 0 #endif |