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authorLinus Torvalds <torvalds@linux-foundation.org>2012-10-07 21:08:40 +0900
committerLinus Torvalds <torvalds@linux-foundation.org>2012-10-07 21:08:40 +0900
commit5cad3598ea0cdb817681f74518d3213583a04f7a (patch)
tree792786bea205f6eef7274b65e1e1e63d21df511d /arch/microblaze/include
parent638c87a91666df1f16866badee862ce38bf31e4a (diff)
parent94fda49a948a5999699359313a2f857f9d11ff19 (diff)
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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')
-rw-r--r--arch/microblaze/include/asm/clinkage.h1
-rw-r--r--arch/microblaze/include/asm/io.h94
-rw-r--r--arch/microblaze/include/asm/page.h9
-rw-r--r--arch/microblaze/include/asm/pci.h2
-rw-r--r--arch/microblaze/include/asm/pgtable.h6
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