diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-08-01 10:53:43 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-08-01 10:53:43 -0700 |
commit | 00e9028a95fb8a4d79f2fb695a853f33ea7d3b57 (patch) | |
tree | 2dea2ae498a6ce57de8890e87185aca5e9f3ad2d /arch/sh/include/asm/io_trapped.h | |
parent | 57b1494d2ba544c62673234da6115c21fac27ffc (diff) | |
parent | 7cb93181629c613ee2b8f4ffe3446f8003074842 (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (28 commits)
mm/hugetlb.c must #include <asm/io.h>
video: Fix up hp6xx driver build regressions.
sh: defconfig updates.
sh: Kill off stray mach-rsk7203 reference.
serial: sh-sci: Fix up SH7760/SH7780/SH7785 early printk regression.
sh: Move out individual boards without mach groups.
sh: Make sure AT_SYSINFO_EHDR is exposed to userspace in asm/auxvec.h.
sh: Allow SH-3 and SH-5 to use common headers.
sh: Provide common CPU headers, prune the SH-2 and SH-2A directories.
sh/maple: clean maple bus code
sh: More header path fixups for mach dir refactoring.
sh: Move out the solution engine headers to arch/sh/include/mach-se/
sh: I2C fix for AP325RXA and Migo-R
sh: Shuffle the board directories in to mach groups.
sh: dma-sh: Fix up dreamcast dma.h mach path.
sh: Switch KBUILD_DEFCONFIG to shx3_defconfig.
sh: Add ARCH_DEFCONFIG entries for sh and sh64.
sh: Fix compile error of Solution Engine
sh: Proper __put_user_asm() size mismatch fix.
sh: Stub in a dummy ENTRY_OFFSET for uImage offset calculation.
...
Diffstat (limited to 'arch/sh/include/asm/io_trapped.h')
-rw-r--r-- | arch/sh/include/asm/io_trapped.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/arch/sh/include/asm/io_trapped.h b/arch/sh/include/asm/io_trapped.h new file mode 100644 index 00000000000..f1251d4f0ba --- /dev/null +++ b/arch/sh/include/asm/io_trapped.h @@ -0,0 +1,58 @@ +#ifndef __ASM_SH_IO_TRAPPED_H +#define __ASM_SH_IO_TRAPPED_H + +#include <linux/list.h> +#include <linux/ioport.h> +#include <asm/page.h> + +#define IO_TRAPPED_MAGIC 0xfeedbeef + +struct trapped_io { + unsigned int magic; + struct resource *resource; + unsigned int num_resources; + unsigned int minimum_bus_width; + struct list_head list; + void __iomem *virt_base; +} __aligned(PAGE_SIZE); + +#ifdef CONFIG_IO_TRAPPED +int register_trapped_io(struct trapped_io *tiop); +int handle_trapped_io(struct pt_regs *regs, unsigned long address); + +void __iomem *match_trapped_io_handler(struct list_head *list, + unsigned long offset, + unsigned long size); + +#ifdef CONFIG_HAS_IOMEM +extern struct list_head trapped_mem; + +static inline void __iomem * +__ioremap_trapped(unsigned long offset, unsigned long size) +{ + return match_trapped_io_handler(&trapped_mem, offset, size); +} +#else +#define __ioremap_trapped(offset, size) NULL +#endif + +#ifdef CONFIG_HAS_IOPORT +extern struct list_head trapped_io; + +static inline void __iomem * +__ioport_map_trapped(unsigned long offset, unsigned long size) +{ + return match_trapped_io_handler(&trapped_io, offset, size); +} +#else +#define __ioport_map_trapped(offset, size) NULL +#endif + +#else +#define register_trapped_io(tiop) (-1) +#define handle_trapped_io(tiop, address) 0 +#define __ioremap_trapped(offset, size) NULL +#define __ioport_map_trapped(offset, size) NULL +#endif + +#endif /* __ASM_SH_IO_TRAPPED_H */ |